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numam-dpdk/drivers/net/mlx5/mlx5_flow_dv.c
Viacheslav Ovsiienko 7cad3dc312 net/mlx5: remove unused metadata shift parameter 
Due to updated modify field action immediate value buffer
pattern [1] the implicit shift for the metadata is not
needed anymore and should be removed.

[1] commit 40c8fb1fd3 ("net/mlx5: update modify field action")

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
2022-02-10 09:44:31 +01:00

18288 lines
545 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2018 Mellanox Technologies, Ltd
*/
#include <sys/queue.h>
#include <stdalign.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <rte_common.h>
#include <rte_ether.h>
#include <ethdev_driver.h>
#include <rte_flow.h>
#include <rte_flow_driver.h>
#include <rte_malloc.h>
#include <rte_cycles.h>
#include <rte_bus_pci.h>
#include <rte_ip.h>
#include <rte_gre.h>
#include <rte_vxlan.h>
#include <rte_gtp.h>
#include <rte_eal_paging.h>
#include <rte_mpls.h>
#include <rte_mtr.h>
#include <rte_mtr_driver.h>
#include <rte_tailq.h>
#include <mlx5_glue.h>
#include <mlx5_devx_cmds.h>
#include <mlx5_prm.h>
#include <mlx5_malloc.h>
#include "mlx5_defs.h"
#include "mlx5.h"
#include "mlx5_common_os.h"
#include "mlx5_flow.h"
#include "mlx5_flow_os.h"
#include "mlx5_rx.h"
#include "mlx5_tx.h"
#include "rte_pmd_mlx5.h"
#if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
#ifndef HAVE_IBV_FLOW_DEVX_COUNTERS
#define MLX5DV_FLOW_ACTION_COUNTERS_DEVX 0
#endif
#ifndef HAVE_MLX5DV_DR_ESWITCH
#ifndef MLX5DV_FLOW_TABLE_TYPE_FDB
#define MLX5DV_FLOW_TABLE_TYPE_FDB 0
#endif
#endif
#ifndef HAVE_MLX5DV_DR
#define MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL 1
#endif
/* VLAN header definitions */
#define MLX5DV_FLOW_VLAN_PCP_SHIFT 13
#define MLX5DV_FLOW_VLAN_PCP_MASK (0x7 << MLX5DV_FLOW_VLAN_PCP_SHIFT)
#define MLX5DV_FLOW_VLAN_VID_MASK 0x0fff
#define MLX5DV_FLOW_VLAN_PCP_MASK_BE RTE_BE16(MLX5DV_FLOW_VLAN_PCP_MASK)
#define MLX5DV_FLOW_VLAN_VID_MASK_BE RTE_BE16(MLX5DV_FLOW_VLAN_VID_MASK)
union flow_dv_attr {
struct {
uint32_t valid:1;
uint32_t ipv4:1;
uint32_t ipv6:1;
uint32_t tcp:1;
uint32_t udp:1;
uint32_t reserved:27;
};
uint32_t attr;
};
static int
flow_dv_tbl_resource_release(struct mlx5_dev_ctx_shared *sh,
struct mlx5_flow_tbl_resource *tbl);
static int
flow_dv_encap_decap_resource_release(struct rte_eth_dev *dev,
uint32_t encap_decap_idx);
static int
flow_dv_port_id_action_resource_release(struct rte_eth_dev *dev,
uint32_t port_id);
static void
flow_dv_shared_rss_action_release(struct rte_eth_dev *dev, uint32_t srss);
static int
flow_dv_jump_tbl_resource_release(struct rte_eth_dev *dev,
uint32_t rix_jump);
static int16_t
flow_dv_get_esw_manager_vport_id(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
if (priv->pci_dev == NULL)
return 0;
switch (priv->pci_dev->id.device_id) {
case PCI_DEVICE_ID_MELLANOX_CONNECTX5BF:
case PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF:
case PCI_DEVICE_ID_MELLANOX_CONNECTX7BF:
return (int16_t)0xfffe;
default:
return 0;
}
}
/**
* Initialize flow attributes structure according to flow items' types.
*
* flow_dv_validate() avoids multiple L3/L4 layers cases other than tunnel
* mode. For tunnel mode, the items to be modified are the outermost ones.
*
* @param[in] item
* Pointer to item specification.
* @param[out] attr
* Pointer to flow attributes structure.
* @param[in] dev_flow
* Pointer to the sub flow.
* @param[in] tunnel_decap
* Whether action is after tunnel decapsulation.
*/
static void
flow_dv_attr_init(const struct rte_flow_item *item, union flow_dv_attr *attr,
struct mlx5_flow *dev_flow, bool tunnel_decap)
{
uint64_t layers = dev_flow->handle->layers;
/*
* If layers is already initialized, it means this dev_flow is the
* suffix flow, the layers flags is set by the prefix flow. Need to
* use the layer flags from prefix flow as the suffix flow may not
* have the user defined items as the flow is split.
*/
if (layers) {
if (layers & MLX5_FLOW_LAYER_OUTER_L3_IPV4)
attr->ipv4 = 1;
else if (layers & MLX5_FLOW_LAYER_OUTER_L3_IPV6)
attr->ipv6 = 1;
if (layers & MLX5_FLOW_LAYER_OUTER_L4_TCP)
attr->tcp = 1;
else if (layers & MLX5_FLOW_LAYER_OUTER_L4_UDP)
attr->udp = 1;
attr->valid = 1;
return;
}
for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
uint8_t next_protocol = 0xff;
switch (item->type) {
case RTE_FLOW_ITEM_TYPE_GRE:
case RTE_FLOW_ITEM_TYPE_NVGRE:
case RTE_FLOW_ITEM_TYPE_VXLAN:
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
case RTE_FLOW_ITEM_TYPE_GENEVE:
case RTE_FLOW_ITEM_TYPE_MPLS:
if (tunnel_decap)
attr->attr = 0;
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
if (!attr->ipv6)
attr->ipv4 = 1;
if (item->mask != NULL &&
((const struct rte_flow_item_ipv4 *)
item->mask)->hdr.next_proto_id)
next_protocol =
((const struct rte_flow_item_ipv4 *)
(item->spec))->hdr.next_proto_id &
((const struct rte_flow_item_ipv4 *)
(item->mask))->hdr.next_proto_id;
if ((next_protocol == IPPROTO_IPIP ||
next_protocol == IPPROTO_IPV6) && tunnel_decap)
attr->attr = 0;
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
if (!attr->ipv4)
attr->ipv6 = 1;
if (item->mask != NULL &&
((const struct rte_flow_item_ipv6 *)
item->mask)->hdr.proto)
next_protocol =
((const struct rte_flow_item_ipv6 *)
(item->spec))->hdr.proto &
((const struct rte_flow_item_ipv6 *)
(item->mask))->hdr.proto;
if ((next_protocol == IPPROTO_IPIP ||
next_protocol == IPPROTO_IPV6) && tunnel_decap)
attr->attr = 0;
break;
case RTE_FLOW_ITEM_TYPE_UDP:
if (!attr->tcp)
attr->udp = 1;
break;
case RTE_FLOW_ITEM_TYPE_TCP:
if (!attr->udp)
attr->tcp = 1;
break;
default:
break;
}
}
attr->valid = 1;
}
/*
* Convert rte_mtr_color to mlx5 color.
*
* @param[in] rcol
* rte_mtr_color.
*
* @return
* mlx5 color.
*/
static inline int
rte_col_2_mlx5_col(enum rte_color rcol)
{
switch (rcol) {
case RTE_COLOR_GREEN:
return MLX5_FLOW_COLOR_GREEN;
case RTE_COLOR_YELLOW:
return MLX5_FLOW_COLOR_YELLOW;
case RTE_COLOR_RED:
return MLX5_FLOW_COLOR_RED;
default:
break;
}
return MLX5_FLOW_COLOR_UNDEFINED;
}
struct field_modify_info {
uint32_t size; /* Size of field in protocol header, in bytes. */
uint32_t offset; /* Offset of field in protocol header, in bytes. */
enum mlx5_modification_field id;
};
struct field_modify_info modify_eth[] = {
{4, 0, MLX5_MODI_OUT_DMAC_47_16},
{2, 4, MLX5_MODI_OUT_DMAC_15_0},
{4, 6, MLX5_MODI_OUT_SMAC_47_16},
{2, 10, MLX5_MODI_OUT_SMAC_15_0},
{0, 0, 0},
};
struct field_modify_info modify_vlan_out_first_vid[] = {
/* Size in bits !!! */
{12, 0, MLX5_MODI_OUT_FIRST_VID},
{0, 0, 0},
};
struct field_modify_info modify_ipv4[] = {
{1, 1, MLX5_MODI_OUT_IP_DSCP},
{1, 8, MLX5_MODI_OUT_IPV4_TTL},
{4, 12, MLX5_MODI_OUT_SIPV4},
{4, 16, MLX5_MODI_OUT_DIPV4},
{0, 0, 0},
};
struct field_modify_info modify_ipv6[] = {
{1, 0, MLX5_MODI_OUT_IP_DSCP},
{1, 7, MLX5_MODI_OUT_IPV6_HOPLIMIT},
{4, 8, MLX5_MODI_OUT_SIPV6_127_96},
{4, 12, MLX5_MODI_OUT_SIPV6_95_64},
{4, 16, MLX5_MODI_OUT_SIPV6_63_32},
{4, 20, MLX5_MODI_OUT_SIPV6_31_0},
{4, 24, MLX5_MODI_OUT_DIPV6_127_96},
{4, 28, MLX5_MODI_OUT_DIPV6_95_64},
{4, 32, MLX5_MODI_OUT_DIPV6_63_32},
{4, 36, MLX5_MODI_OUT_DIPV6_31_0},
{0, 0, 0},
};
struct field_modify_info modify_udp[] = {
{2, 0, MLX5_MODI_OUT_UDP_SPORT},
{2, 2, MLX5_MODI_OUT_UDP_DPORT},
{0, 0, 0},
};
struct field_modify_info modify_tcp[] = {
{2, 0, MLX5_MODI_OUT_TCP_SPORT},
{2, 2, MLX5_MODI_OUT_TCP_DPORT},
{4, 4, MLX5_MODI_OUT_TCP_SEQ_NUM},
{4, 8, MLX5_MODI_OUT_TCP_ACK_NUM},
{0, 0, 0},
};
static void
mlx5_flow_tunnel_ip_check(const struct rte_flow_item *item __rte_unused,
uint8_t next_protocol, uint64_t *item_flags,
int *tunnel)
{
MLX5_ASSERT(item->type == RTE_FLOW_ITEM_TYPE_IPV4 ||
item->type == RTE_FLOW_ITEM_TYPE_IPV6);
if (next_protocol == IPPROTO_IPIP) {
*item_flags |= MLX5_FLOW_LAYER_IPIP;
*tunnel = 1;
}
if (next_protocol == IPPROTO_IPV6) {
*item_flags |= MLX5_FLOW_LAYER_IPV6_ENCAP;
*tunnel = 1;
}
}
static inline struct mlx5_hlist *
flow_dv_hlist_prepare(struct mlx5_dev_ctx_shared *sh, struct mlx5_hlist **phl,
const char *name, uint32_t size, bool direct_key,
bool lcores_share, void *ctx,
mlx5_list_create_cb cb_create,
mlx5_list_match_cb cb_match,
mlx5_list_remove_cb cb_remove,
mlx5_list_clone_cb cb_clone,
mlx5_list_clone_free_cb cb_clone_free)
{
struct mlx5_hlist *hl;
struct mlx5_hlist *expected = NULL;
char s[MLX5_NAME_SIZE];
hl = __atomic_load_n(phl, __ATOMIC_SEQ_CST);
if (likely(hl))
return hl;
snprintf(s, sizeof(s), "%s_%s", sh->ibdev_name, name);
hl = mlx5_hlist_create(s, size, direct_key, lcores_share,
ctx, cb_create, cb_match, cb_remove, cb_clone,
cb_clone_free);
if (!hl) {
DRV_LOG(ERR, "%s hash creation failed", name);
rte_errno = ENOMEM;
return NULL;
}
if (!__atomic_compare_exchange_n(phl, &expected, hl, false,
__ATOMIC_SEQ_CST,
__ATOMIC_SEQ_CST)) {
mlx5_hlist_destroy(hl);
hl = __atomic_load_n(phl, __ATOMIC_SEQ_CST);
}
return hl;
}
/* Update VLAN's VID/PCP based on input rte_flow_action.
*
* @param[in] action
* Pointer to struct rte_flow_action.
* @param[out] vlan
* Pointer to struct rte_vlan_hdr.
*/
static void
mlx5_update_vlan_vid_pcp(const struct rte_flow_action *action,
struct rte_vlan_hdr *vlan)
{
uint16_t vlan_tci;
if (action->type == RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP) {
vlan_tci =
((const struct rte_flow_action_of_set_vlan_pcp *)
action->conf)->vlan_pcp;
vlan_tci = vlan_tci << MLX5DV_FLOW_VLAN_PCP_SHIFT;
vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_PCP_MASK;
vlan->vlan_tci |= vlan_tci;
} else if (action->type == RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID) {
vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_VID_MASK;
vlan->vlan_tci |= rte_be_to_cpu_16
(((const struct rte_flow_action_of_set_vlan_vid *)
action->conf)->vlan_vid);
}
}
/**
* Fetch 1, 2, 3 or 4 byte field from the byte array
* and return as unsigned integer in host-endian format.
*
* @param[in] data
* Pointer to data array.
* @param[in] size
* Size of field to extract.
*
* @return
* converted field in host endian format.
*/
static inline uint32_t
flow_dv_fetch_field(const uint8_t *data, uint32_t size)
{
uint32_t ret;
switch (size) {
case 1:
ret = *data;
break;
case 2:
ret = rte_be_to_cpu_16(*(const unaligned_uint16_t *)data);
break;
case 3:
ret = rte_be_to_cpu_16(*(const unaligned_uint16_t *)data);
ret = (ret << 8) | *(data + sizeof(uint16_t));
break;
case 4:
ret = rte_be_to_cpu_32(*(const unaligned_uint32_t *)data);
break;
default:
MLX5_ASSERT(false);
ret = 0;
break;
}
return ret;
}
/**
* Convert modify-header action to DV specification.
*
* Data length of each action is determined by provided field description
* and the item mask. Data bit offset and width of each action is determined
* by provided item mask.
*
* @param[in] item
* Pointer to item specification.
* @param[in] field
* Pointer to field modification information.
* For MLX5_MODIFICATION_TYPE_SET specifies destination field.
* For MLX5_MODIFICATION_TYPE_ADD specifies destination field.
* For MLX5_MODIFICATION_TYPE_COPY specifies source field.
* @param[in] dcopy
* Destination field info for MLX5_MODIFICATION_TYPE_COPY in @type.
* Negative offset value sets the same offset as source offset.
* size field is ignored, value is taken from source field.
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] type
* Type of modification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_modify_action(struct rte_flow_item *item,
struct field_modify_info *field,
struct field_modify_info *dcopy,
struct mlx5_flow_dv_modify_hdr_resource *resource,
uint32_t type, struct rte_flow_error *error)
{
uint32_t i = resource->actions_num;
struct mlx5_modification_cmd *actions = resource->actions;
uint32_t carry_b = 0;
/*
* The item and mask are provided in big-endian format.
* The fields should be presented as in big-endian format either.
* Mask must be always present, it defines the actual field width.
*/
MLX5_ASSERT(item->mask);
MLX5_ASSERT(field->size);
do {
uint32_t size_b;
uint32_t off_b;
uint32_t mask;
uint32_t data;
bool next_field = true;
bool next_dcopy = true;
if (i >= MLX5_MAX_MODIFY_NUM)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"too many items to modify");
/* Fetch variable byte size mask from the array. */
mask = flow_dv_fetch_field((const uint8_t *)item->mask +
field->offset, field->size);
if (!mask) {
++field;
continue;
}
/* Deduce actual data width in bits from mask value. */
off_b = rte_bsf32(mask) + carry_b;
size_b = sizeof(uint32_t) * CHAR_BIT -
off_b - __builtin_clz(mask);
MLX5_ASSERT(size_b);
actions[i] = (struct mlx5_modification_cmd) {
.action_type = type,
.field = field->id,
.offset = off_b,
.length = (size_b == sizeof(uint32_t) * CHAR_BIT) ?
0 : size_b,
};
if (type == MLX5_MODIFICATION_TYPE_COPY) {
MLX5_ASSERT(dcopy);
actions[i].dst_field = dcopy->id;
actions[i].dst_offset =
(int)dcopy->offset < 0 ? off_b : dcopy->offset;
/* Convert entire record to big-endian format. */
actions[i].data1 = rte_cpu_to_be_32(actions[i].data1);
/*
* Destination field overflow. Copy leftovers of
* a source field to the next destination field.
*/
carry_b = 0;
if ((size_b > dcopy->size * CHAR_BIT - dcopy->offset) &&
dcopy->size != 0) {
actions[i].length =
dcopy->size * CHAR_BIT - dcopy->offset;
carry_b = actions[i].length;
next_field = false;
}
/*
* Not enough bits in a source filed to fill a
* destination field. Switch to the next source.
*/
if ((size_b < dcopy->size * CHAR_BIT - dcopy->offset) &&
(size_b == field->size * CHAR_BIT - off_b)) {
actions[i].length =
field->size * CHAR_BIT - off_b;
dcopy->offset += actions[i].length;
next_dcopy = false;
}
if (next_dcopy)
++dcopy;
} else {
MLX5_ASSERT(item->spec);
data = flow_dv_fetch_field((const uint8_t *)item->spec +
field->offset, field->size);
/* Shift out the trailing masked bits from data. */
data = (data & mask) >> off_b;
actions[i].data1 = rte_cpu_to_be_32(data);
}
/* Convert entire record to expected big-endian format. */
actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
if (next_field)
++field;
++i;
} while (field->size);
if (resource->actions_num == i)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"invalid modification flow item");
resource->actions_num = i;
return 0;
}
/**
* Convert modify-header set IPv4 address action to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_ipv4
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
const struct rte_flow_action_set_ipv4 *conf =
(const struct rte_flow_action_set_ipv4 *)(action->conf);
struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV4 };
struct rte_flow_item_ipv4 ipv4;
struct rte_flow_item_ipv4 ipv4_mask;
memset(&ipv4, 0, sizeof(ipv4));
memset(&ipv4_mask, 0, sizeof(ipv4_mask));
if (action->type == RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC) {
ipv4.hdr.src_addr = conf->ipv4_addr;
ipv4_mask.hdr.src_addr = rte_flow_item_ipv4_mask.hdr.src_addr;
} else {
ipv4.hdr.dst_addr = conf->ipv4_addr;
ipv4_mask.hdr.dst_addr = rte_flow_item_ipv4_mask.hdr.dst_addr;
}
item.spec = &ipv4;
item.mask = &ipv4_mask;
return flow_dv_convert_modify_action(&item, modify_ipv4, NULL, resource,
MLX5_MODIFICATION_TYPE_SET, error);
}
/**
* Convert modify-header set IPv6 address action to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_ipv6
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
const struct rte_flow_action_set_ipv6 *conf =
(const struct rte_flow_action_set_ipv6 *)(action->conf);
struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV6 };
struct rte_flow_item_ipv6 ipv6;
struct rte_flow_item_ipv6 ipv6_mask;
memset(&ipv6, 0, sizeof(ipv6));
memset(&ipv6_mask, 0, sizeof(ipv6_mask));
if (action->type == RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC) {
memcpy(&ipv6.hdr.src_addr, &conf->ipv6_addr,
sizeof(ipv6.hdr.src_addr));
memcpy(&ipv6_mask.hdr.src_addr,
&rte_flow_item_ipv6_mask.hdr.src_addr,
sizeof(ipv6.hdr.src_addr));
} else {
memcpy(&ipv6.hdr.dst_addr, &conf->ipv6_addr,
sizeof(ipv6.hdr.dst_addr));
memcpy(&ipv6_mask.hdr.dst_addr,
&rte_flow_item_ipv6_mask.hdr.dst_addr,
sizeof(ipv6.hdr.dst_addr));
}
item.spec = &ipv6;
item.mask = &ipv6_mask;
return flow_dv_convert_modify_action(&item, modify_ipv6, NULL, resource,
MLX5_MODIFICATION_TYPE_SET, error);
}
/**
* Convert modify-header set MAC address action to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_mac
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
const struct rte_flow_action_set_mac *conf =
(const struct rte_flow_action_set_mac *)(action->conf);
struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_ETH };
struct rte_flow_item_eth eth;
struct rte_flow_item_eth eth_mask;
memset(&eth, 0, sizeof(eth));
memset(&eth_mask, 0, sizeof(eth_mask));
if (action->type == RTE_FLOW_ACTION_TYPE_SET_MAC_SRC) {
memcpy(&eth.src.addr_bytes, &conf->mac_addr,
sizeof(eth.src.addr_bytes));
memcpy(&eth_mask.src.addr_bytes,
&rte_flow_item_eth_mask.src.addr_bytes,
sizeof(eth_mask.src.addr_bytes));
} else {
memcpy(&eth.dst.addr_bytes, &conf->mac_addr,
sizeof(eth.dst.addr_bytes));
memcpy(&eth_mask.dst.addr_bytes,
&rte_flow_item_eth_mask.dst.addr_bytes,
sizeof(eth_mask.dst.addr_bytes));
}
item.spec = &eth;
item.mask = &eth_mask;
return flow_dv_convert_modify_action(&item, modify_eth, NULL, resource,
MLX5_MODIFICATION_TYPE_SET, error);
}
/**
* Convert modify-header set VLAN VID action to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_vlan_vid
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
const struct rte_flow_action_of_set_vlan_vid *conf =
(const struct rte_flow_action_of_set_vlan_vid *)(action->conf);
int i = resource->actions_num;
struct mlx5_modification_cmd *actions = resource->actions;
struct field_modify_info *field = modify_vlan_out_first_vid;
if (i >= MLX5_MAX_MODIFY_NUM)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"too many items to modify");
actions[i] = (struct mlx5_modification_cmd) {
.action_type = MLX5_MODIFICATION_TYPE_SET,
.field = field->id,
.length = field->size,
.offset = field->offset,
};
actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
actions[i].data1 = conf->vlan_vid;
actions[i].data1 = actions[i].data1 << 16;
resource->actions_num = ++i;
return 0;
}
/**
* Convert modify-header set TP action to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[in] items
* Pointer to rte_flow_item objects list.
* @param[in] attr
* Pointer to flow attributes structure.
* @param[in] dev_flow
* Pointer to the sub flow.
* @param[in] tunnel_decap
* Whether action is after tunnel decapsulation.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_tp
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
const struct rte_flow_item *items,
union flow_dv_attr *attr, struct mlx5_flow *dev_flow,
bool tunnel_decap, struct rte_flow_error *error)
{
const struct rte_flow_action_set_tp *conf =
(const struct rte_flow_action_set_tp *)(action->conf);
struct rte_flow_item item;
struct rte_flow_item_udp udp;
struct rte_flow_item_udp udp_mask;
struct rte_flow_item_tcp tcp;
struct rte_flow_item_tcp tcp_mask;
struct field_modify_info *field;
if (!attr->valid)
flow_dv_attr_init(items, attr, dev_flow, tunnel_decap);
if (attr->udp) {
memset(&udp, 0, sizeof(udp));
memset(&udp_mask, 0, sizeof(udp_mask));
if (action->type == RTE_FLOW_ACTION_TYPE_SET_TP_SRC) {
udp.hdr.src_port = conf->port;
udp_mask.hdr.src_port =
rte_flow_item_udp_mask.hdr.src_port;
} else {
udp.hdr.dst_port = conf->port;
udp_mask.hdr.dst_port =
rte_flow_item_udp_mask.hdr.dst_port;
}
item.type = RTE_FLOW_ITEM_TYPE_UDP;
item.spec = &udp;
item.mask = &udp_mask;
field = modify_udp;
} else {
MLX5_ASSERT(attr->tcp);
memset(&tcp, 0, sizeof(tcp));
memset(&tcp_mask, 0, sizeof(tcp_mask));
if (action->type == RTE_FLOW_ACTION_TYPE_SET_TP_SRC) {
tcp.hdr.src_port = conf->port;
tcp_mask.hdr.src_port =
rte_flow_item_tcp_mask.hdr.src_port;
} else {
tcp.hdr.dst_port = conf->port;
tcp_mask.hdr.dst_port =
rte_flow_item_tcp_mask.hdr.dst_port;
}
item.type = RTE_FLOW_ITEM_TYPE_TCP;
item.spec = &tcp;
item.mask = &tcp_mask;
field = modify_tcp;
}
return flow_dv_convert_modify_action(&item, field, NULL, resource,
MLX5_MODIFICATION_TYPE_SET, error);
}
/**
* Convert modify-header set TTL action to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[in] items
* Pointer to rte_flow_item objects list.
* @param[in] attr
* Pointer to flow attributes structure.
* @param[in] dev_flow
* Pointer to the sub flow.
* @param[in] tunnel_decap
* Whether action is after tunnel decapsulation.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_ttl
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
const struct rte_flow_item *items,
union flow_dv_attr *attr, struct mlx5_flow *dev_flow,
bool tunnel_decap, struct rte_flow_error *error)
{
const struct rte_flow_action_set_ttl *conf =
(const struct rte_flow_action_set_ttl *)(action->conf);
struct rte_flow_item item;
struct rte_flow_item_ipv4 ipv4;
struct rte_flow_item_ipv4 ipv4_mask;
struct rte_flow_item_ipv6 ipv6;
struct rte_flow_item_ipv6 ipv6_mask;
struct field_modify_info *field;
if (!attr->valid)
flow_dv_attr_init(items, attr, dev_flow, tunnel_decap);
if (attr->ipv4) {
memset(&ipv4, 0, sizeof(ipv4));
memset(&ipv4_mask, 0, sizeof(ipv4_mask));
ipv4.hdr.time_to_live = conf->ttl_value;
ipv4_mask.hdr.time_to_live = 0xFF;
item.type = RTE_FLOW_ITEM_TYPE_IPV4;
item.spec = &ipv4;
item.mask = &ipv4_mask;
field = modify_ipv4;
} else {
MLX5_ASSERT(attr->ipv6);
memset(&ipv6, 0, sizeof(ipv6));
memset(&ipv6_mask, 0, sizeof(ipv6_mask));
ipv6.hdr.hop_limits = conf->ttl_value;
ipv6_mask.hdr.hop_limits = 0xFF;
item.type = RTE_FLOW_ITEM_TYPE_IPV6;
item.spec = &ipv6;
item.mask = &ipv6_mask;
field = modify_ipv6;
}
return flow_dv_convert_modify_action(&item, field, NULL, resource,
MLX5_MODIFICATION_TYPE_SET, error);
}
/**
* Convert modify-header decrement TTL action to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[in] items
* Pointer to rte_flow_item objects list.
* @param[in] attr
* Pointer to flow attributes structure.
* @param[in] dev_flow
* Pointer to the sub flow.
* @param[in] tunnel_decap
* Whether action is after tunnel decapsulation.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_dec_ttl
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_item *items,
union flow_dv_attr *attr, struct mlx5_flow *dev_flow,
bool tunnel_decap, struct rte_flow_error *error)
{
struct rte_flow_item item;
struct rte_flow_item_ipv4 ipv4;
struct rte_flow_item_ipv4 ipv4_mask;
struct rte_flow_item_ipv6 ipv6;
struct rte_flow_item_ipv6 ipv6_mask;
struct field_modify_info *field;
if (!attr->valid)
flow_dv_attr_init(items, attr, dev_flow, tunnel_decap);
if (attr->ipv4) {
memset(&ipv4, 0, sizeof(ipv4));
memset(&ipv4_mask, 0, sizeof(ipv4_mask));
ipv4.hdr.time_to_live = 0xFF;
ipv4_mask.hdr.time_to_live = 0xFF;
item.type = RTE_FLOW_ITEM_TYPE_IPV4;
item.spec = &ipv4;
item.mask = &ipv4_mask;
field = modify_ipv4;
} else {
MLX5_ASSERT(attr->ipv6);
memset(&ipv6, 0, sizeof(ipv6));
memset(&ipv6_mask, 0, sizeof(ipv6_mask));
ipv6.hdr.hop_limits = 0xFF;
ipv6_mask.hdr.hop_limits = 0xFF;
item.type = RTE_FLOW_ITEM_TYPE_IPV6;
item.spec = &ipv6;
item.mask = &ipv6_mask;
field = modify_ipv6;
}
return flow_dv_convert_modify_action(&item, field, NULL, resource,
MLX5_MODIFICATION_TYPE_ADD, error);
}
/**
* Convert modify-header increment/decrement TCP Sequence number
* to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_tcp_seq
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
const rte_be32_t *conf = (const rte_be32_t *)(action->conf);
uint64_t value = rte_be_to_cpu_32(*conf);
struct rte_flow_item item;
struct rte_flow_item_tcp tcp;
struct rte_flow_item_tcp tcp_mask;
memset(&tcp, 0, sizeof(tcp));
memset(&tcp_mask, 0, sizeof(tcp_mask));
if (action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ)
/*
* The HW has no decrement operation, only increment operation.
* To simulate decrement X from Y using increment operation
* we need to add UINT32_MAX X times to Y.
* Each adding of UINT32_MAX decrements Y by 1.
*/
value *= UINT32_MAX;
tcp.hdr.sent_seq = rte_cpu_to_be_32((uint32_t)value);
tcp_mask.hdr.sent_seq = RTE_BE32(UINT32_MAX);
item.type = RTE_FLOW_ITEM_TYPE_TCP;
item.spec = &tcp;
item.mask = &tcp_mask;
return flow_dv_convert_modify_action(&item, modify_tcp, NULL, resource,
MLX5_MODIFICATION_TYPE_ADD, error);
}
/**
* Convert modify-header increment/decrement TCP Acknowledgment number
* to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_tcp_ack
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
const rte_be32_t *conf = (const rte_be32_t *)(action->conf);
uint64_t value = rte_be_to_cpu_32(*conf);
struct rte_flow_item item;
struct rte_flow_item_tcp tcp;
struct rte_flow_item_tcp tcp_mask;
memset(&tcp, 0, sizeof(tcp));
memset(&tcp_mask, 0, sizeof(tcp_mask));
if (action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK)
/*
* The HW has no decrement operation, only increment operation.
* To simulate decrement X from Y using increment operation
* we need to add UINT32_MAX X times to Y.
* Each adding of UINT32_MAX decrements Y by 1.
*/
value *= UINT32_MAX;
tcp.hdr.recv_ack = rte_cpu_to_be_32((uint32_t)value);
tcp_mask.hdr.recv_ack = RTE_BE32(UINT32_MAX);
item.type = RTE_FLOW_ITEM_TYPE_TCP;
item.spec = &tcp;
item.mask = &tcp_mask;
return flow_dv_convert_modify_action(&item, modify_tcp, NULL, resource,
MLX5_MODIFICATION_TYPE_ADD, error);
}
static enum mlx5_modification_field reg_to_field[] = {
[REG_NON] = MLX5_MODI_OUT_NONE,
[REG_A] = MLX5_MODI_META_DATA_REG_A,
[REG_B] = MLX5_MODI_META_DATA_REG_B,
[REG_C_0] = MLX5_MODI_META_REG_C_0,
[REG_C_1] = MLX5_MODI_META_REG_C_1,
[REG_C_2] = MLX5_MODI_META_REG_C_2,
[REG_C_3] = MLX5_MODI_META_REG_C_3,
[REG_C_4] = MLX5_MODI_META_REG_C_4,
[REG_C_5] = MLX5_MODI_META_REG_C_5,
[REG_C_6] = MLX5_MODI_META_REG_C_6,
[REG_C_7] = MLX5_MODI_META_REG_C_7,
};
/**
* Convert register set to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_set_reg
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
const struct mlx5_rte_flow_action_set_tag *conf = action->conf;
struct mlx5_modification_cmd *actions = resource->actions;
uint32_t i = resource->actions_num;
if (i >= MLX5_MAX_MODIFY_NUM)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"too many items to modify");
MLX5_ASSERT(conf->id != REG_NON);
MLX5_ASSERT(conf->id < (enum modify_reg)RTE_DIM(reg_to_field));
actions[i] = (struct mlx5_modification_cmd) {
.action_type = MLX5_MODIFICATION_TYPE_SET,
.field = reg_to_field[conf->id],
.offset = conf->offset,
.length = conf->length,
};
actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
actions[i].data1 = rte_cpu_to_be_32(conf->data);
++i;
resource->actions_num = i;
return 0;
}
/**
* Convert SET_TAG action to DV specification.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] conf
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_set_tag
(struct rte_eth_dev *dev,
struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action_set_tag *conf,
struct rte_flow_error *error)
{
rte_be32_t data = rte_cpu_to_be_32(conf->data);
rte_be32_t mask = rte_cpu_to_be_32(conf->mask);
struct rte_flow_item item = {
.spec = &data,
.mask = &mask,
};
struct field_modify_info reg_c_x[] = {
[1] = {0, 0, 0},
};
enum mlx5_modification_field reg_type;
int ret;
ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, conf->index, error);
if (ret < 0)
return ret;
MLX5_ASSERT(ret != REG_NON);
MLX5_ASSERT((unsigned int)ret < RTE_DIM(reg_to_field));
reg_type = reg_to_field[ret];
MLX5_ASSERT(reg_type > 0);
reg_c_x[0] = (struct field_modify_info){4, 0, reg_type};
return flow_dv_convert_modify_action(&item, reg_c_x, NULL, resource,
MLX5_MODIFICATION_TYPE_SET, error);
}
/**
* Convert internal COPY_REG action to DV specification.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in,out] res
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_copy_mreg(struct rte_eth_dev *dev,
struct mlx5_flow_dv_modify_hdr_resource *res,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
const struct mlx5_flow_action_copy_mreg *conf = action->conf;
rte_be32_t mask = RTE_BE32(UINT32_MAX);
struct rte_flow_item item = {
.spec = NULL,
.mask = &mask,
};
struct field_modify_info reg_src[] = {
{4, 0, reg_to_field[conf->src]},
{0, 0, 0},
};
struct field_modify_info reg_dst = {
.offset = 0,
.id = reg_to_field[conf->dst],
};
/* Adjust reg_c[0] usage according to reported mask. */
if (conf->dst == REG_C_0 || conf->src == REG_C_0) {
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t reg_c0 = priv->sh->dv_regc0_mask;
MLX5_ASSERT(reg_c0);
MLX5_ASSERT(priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY);
if (conf->dst == REG_C_0) {
/* Copy to reg_c[0], within mask only. */
reg_dst.offset = rte_bsf32(reg_c0);
mask = rte_cpu_to_be_32(reg_c0 >> reg_dst.offset);
} else {
reg_dst.offset = 0;
mask = rte_cpu_to_be_32(reg_c0);
}
}
return flow_dv_convert_modify_action(&item,
reg_src, &reg_dst, res,
MLX5_MODIFICATION_TYPE_COPY,
error);
}
/**
* Convert MARK action to DV specification. This routine is used
* in extensive metadata only and requires metadata register to be
* handled. In legacy mode hardware tag resource is engaged.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] conf
* Pointer to MARK action specification.
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_mark(struct rte_eth_dev *dev,
const struct rte_flow_action_mark *conf,
struct mlx5_flow_dv_modify_hdr_resource *resource,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
rte_be32_t mask = rte_cpu_to_be_32(MLX5_FLOW_MARK_MASK &
priv->sh->dv_mark_mask);
rte_be32_t data = rte_cpu_to_be_32(conf->id) & mask;
struct rte_flow_item item = {
.spec = &data,
.mask = &mask,
};
struct field_modify_info reg_c_x[] = {
[1] = {0, 0, 0},
};
int reg;
if (!mask)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
NULL, "zero mark action mask");
reg = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
if (reg < 0)
return reg;
MLX5_ASSERT(reg > 0);
if (reg == REG_C_0) {
uint32_t msk_c0 = priv->sh->dv_regc0_mask;
uint32_t shl_c0 = rte_bsf32(msk_c0);
data = rte_cpu_to_be_32(rte_cpu_to_be_32(data) << shl_c0);
mask = rte_cpu_to_be_32(mask) & msk_c0;
mask = rte_cpu_to_be_32(mask << shl_c0);
}
reg_c_x[0] = (struct field_modify_info){4, 0, reg_to_field[reg]};
return flow_dv_convert_modify_action(&item, reg_c_x, NULL, resource,
MLX5_MODIFICATION_TYPE_SET, error);
}
/**
* Get metadata register index for specified steering domain.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] attr
* Attributes of flow to determine steering domain.
* @param[out] error
* Pointer to the error structure.
*
* @return
* positive index on success, a negative errno value otherwise
* and rte_errno is set.
*/
static enum modify_reg
flow_dv_get_metadata_reg(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
int reg =
mlx5_flow_get_reg_id(dev, attr->transfer ?
MLX5_METADATA_FDB :
attr->egress ?
MLX5_METADATA_TX :
MLX5_METADATA_RX, 0, error);
if (reg < 0)
return rte_flow_error_set(error,
ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "unavailable "
"metadata register");
return reg;
}
/**
* Convert SET_META action to DV specification.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] attr
* Attributes of flow that includes this item.
* @param[in] conf
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_set_meta
(struct rte_eth_dev *dev,
struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_attr *attr,
const struct rte_flow_action_set_meta *conf,
struct rte_flow_error *error)
{
uint32_t mask = rte_cpu_to_be_32(conf->mask);
uint32_t data = rte_cpu_to_be_32(conf->data) & mask;
struct rte_flow_item item = {
.spec = &data,
.mask = &mask,
};
struct field_modify_info reg_c_x[] = {
[1] = {0, 0, 0},
};
int reg = flow_dv_get_metadata_reg(dev, attr, error);
if (reg < 0)
return reg;
MLX5_ASSERT(reg != REG_NON);
if (reg == REG_C_0) {
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t msk_c0 = priv->sh->dv_regc0_mask;
uint32_t shl_c0 = rte_bsf32(msk_c0);
data = rte_cpu_to_be_32(rte_cpu_to_be_32(data) << shl_c0);
mask = rte_cpu_to_be_32(mask) & msk_c0;
mask = rte_cpu_to_be_32(mask << shl_c0);
}
reg_c_x[0] = (struct field_modify_info){4, 0, reg_to_field[reg]};
/* The routine expects parameters in memory as big-endian ones. */
return flow_dv_convert_modify_action(&item, reg_c_x, NULL, resource,
MLX5_MODIFICATION_TYPE_SET, error);
}
/**
* Convert modify-header set IPv4 DSCP action to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_ipv4_dscp
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
const struct rte_flow_action_set_dscp *conf =
(const struct rte_flow_action_set_dscp *)(action->conf);
struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV4 };
struct rte_flow_item_ipv4 ipv4;
struct rte_flow_item_ipv4 ipv4_mask;
memset(&ipv4, 0, sizeof(ipv4));
memset(&ipv4_mask, 0, sizeof(ipv4_mask));
ipv4.hdr.type_of_service = conf->dscp;
ipv4_mask.hdr.type_of_service = RTE_IPV4_HDR_DSCP_MASK >> 2;
item.spec = &ipv4;
item.mask = &ipv4_mask;
return flow_dv_convert_modify_action(&item, modify_ipv4, NULL, resource,
MLX5_MODIFICATION_TYPE_SET, error);
}
/**
* Convert modify-header set IPv6 DSCP action to DV specification.
*
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_ipv6_dscp
(struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
const struct rte_flow_action_set_dscp *conf =
(const struct rte_flow_action_set_dscp *)(action->conf);
struct rte_flow_item item = { .type = RTE_FLOW_ITEM_TYPE_IPV6 };
struct rte_flow_item_ipv6 ipv6;
struct rte_flow_item_ipv6 ipv6_mask;
memset(&ipv6, 0, sizeof(ipv6));
memset(&ipv6_mask, 0, sizeof(ipv6_mask));
/*
* Even though the DSCP bits offset of IPv6 is not byte aligned,
* rdma-core only accept the DSCP bits byte aligned start from
* bit 0 to 5 as to be compatible with IPv4. No need to shift the
* bits in IPv6 case as rdma-core requires byte aligned value.
*/
ipv6.hdr.vtc_flow = conf->dscp;
ipv6_mask.hdr.vtc_flow = RTE_IPV6_HDR_DSCP_MASK >> 22;
item.spec = &ipv6;
item.mask = &ipv6_mask;
return flow_dv_convert_modify_action(&item, modify_ipv6, NULL, resource,
MLX5_MODIFICATION_TYPE_SET, error);
}
static int
mlx5_flow_item_field_width(struct rte_eth_dev *dev,
enum rte_flow_field_id field, int inherit,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
switch (field) {
case RTE_FLOW_FIELD_START:
return 32;
case RTE_FLOW_FIELD_MAC_DST:
case RTE_FLOW_FIELD_MAC_SRC:
return 48;
case RTE_FLOW_FIELD_VLAN_TYPE:
return 16;
case RTE_FLOW_FIELD_VLAN_ID:
return 12;
case RTE_FLOW_FIELD_MAC_TYPE:
return 16;
case RTE_FLOW_FIELD_IPV4_DSCP:
return 6;
case RTE_FLOW_FIELD_IPV4_TTL:
return 8;
case RTE_FLOW_FIELD_IPV4_SRC:
case RTE_FLOW_FIELD_IPV4_DST:
return 32;
case RTE_FLOW_FIELD_IPV6_DSCP:
return 6;
case RTE_FLOW_FIELD_IPV6_HOPLIMIT:
return 8;
case RTE_FLOW_FIELD_IPV6_SRC:
case RTE_FLOW_FIELD_IPV6_DST:
return 128;
case RTE_FLOW_FIELD_TCP_PORT_SRC:
case RTE_FLOW_FIELD_TCP_PORT_DST:
return 16;
case RTE_FLOW_FIELD_TCP_SEQ_NUM:
case RTE_FLOW_FIELD_TCP_ACK_NUM:
return 32;
case RTE_FLOW_FIELD_TCP_FLAGS:
return 9;
case RTE_FLOW_FIELD_UDP_PORT_SRC:
case RTE_FLOW_FIELD_UDP_PORT_DST:
return 16;
case RTE_FLOW_FIELD_VXLAN_VNI:
case RTE_FLOW_FIELD_GENEVE_VNI:
return 24;
case RTE_FLOW_FIELD_GTP_TEID:
case RTE_FLOW_FIELD_TAG:
return 32;
case RTE_FLOW_FIELD_MARK:
return __builtin_popcount(priv->sh->dv_mark_mask);
case RTE_FLOW_FIELD_META:
return (flow_dv_get_metadata_reg(dev, attr, error) == REG_C_0) ?
__builtin_popcount(priv->sh->dv_meta_mask) : 32;
case RTE_FLOW_FIELD_POINTER:
case RTE_FLOW_FIELD_VALUE:
return inherit < 0 ? 0 : inherit;
default:
MLX5_ASSERT(false);
}
return 0;
}
static void
mlx5_flow_field_id_to_modify_info
(const struct rte_flow_action_modify_data *data,
struct field_modify_info *info, uint32_t *mask,
uint32_t width, struct rte_eth_dev *dev,
const struct rte_flow_attr *attr, struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t idx = 0;
uint32_t off = 0;
switch (data->field) {
case RTE_FLOW_FIELD_START:
/* not supported yet */
MLX5_ASSERT(false);
break;
case RTE_FLOW_FIELD_MAC_DST:
off = data->offset > 16 ? data->offset - 16 : 0;
if (mask) {
if (data->offset < 16) {
info[idx] = (struct field_modify_info){2, 4,
MLX5_MODI_OUT_DMAC_15_0};
if (width < 16) {
mask[1] = rte_cpu_to_be_16(0xffff >>
(16 - width));
width = 0;
} else {
mask[1] = RTE_BE16(0xffff);
width -= 16;
}
if (!width)
break;
++idx;
}
info[idx] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_DMAC_47_16};
mask[0] = rte_cpu_to_be_32((0xffffffff >>
(32 - width)) << off);
} else {
if (data->offset < 16)
info[idx++] = (struct field_modify_info){2, 0,
MLX5_MODI_OUT_DMAC_15_0};
info[idx] = (struct field_modify_info){4, off,
MLX5_MODI_OUT_DMAC_47_16};
}
break;
case RTE_FLOW_FIELD_MAC_SRC:
off = data->offset > 16 ? data->offset - 16 : 0;
if (mask) {
if (data->offset < 16) {
info[idx] = (struct field_modify_info){2, 4,
MLX5_MODI_OUT_SMAC_15_0};
if (width < 16) {
mask[1] = rte_cpu_to_be_16(0xffff >>
(16 - width));
width = 0;
} else {
mask[1] = RTE_BE16(0xffff);
width -= 16;
}
if (!width)
break;
++idx;
}
info[idx] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_SMAC_47_16};
mask[0] = rte_cpu_to_be_32((0xffffffff >>
(32 - width)) << off);
} else {
if (data->offset < 16)
info[idx++] = (struct field_modify_info){2, 0,
MLX5_MODI_OUT_SMAC_15_0};
info[idx] = (struct field_modify_info){4, off,
MLX5_MODI_OUT_SMAC_47_16};
}
break;
case RTE_FLOW_FIELD_VLAN_TYPE:
/* not supported yet */
break;
case RTE_FLOW_FIELD_VLAN_ID:
info[idx] = (struct field_modify_info){2, 0,
MLX5_MODI_OUT_FIRST_VID};
if (mask)
mask[idx] = rte_cpu_to_be_16(0x0fff >> (12 - width));
break;
case RTE_FLOW_FIELD_MAC_TYPE:
info[idx] = (struct field_modify_info){2, 0,
MLX5_MODI_OUT_ETHERTYPE};
if (mask)
mask[idx] = rte_cpu_to_be_16(0xffff >> (16 - width));
break;
case RTE_FLOW_FIELD_IPV4_DSCP:
info[idx] = (struct field_modify_info){1, 0,
MLX5_MODI_OUT_IP_DSCP};
if (mask)
mask[idx] = 0x3f >> (6 - width);
break;
case RTE_FLOW_FIELD_IPV4_TTL:
info[idx] = (struct field_modify_info){1, 0,
MLX5_MODI_OUT_IPV4_TTL};
if (mask)
mask[idx] = 0xff >> (8 - width);
break;
case RTE_FLOW_FIELD_IPV4_SRC:
info[idx] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_SIPV4};
if (mask)
mask[idx] = rte_cpu_to_be_32(0xffffffff >>
(32 - width));
break;
case RTE_FLOW_FIELD_IPV4_DST:
info[idx] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_DIPV4};
if (mask)
mask[idx] = rte_cpu_to_be_32(0xffffffff >>
(32 - width));
break;
case RTE_FLOW_FIELD_IPV6_DSCP:
info[idx] = (struct field_modify_info){1, 0,
MLX5_MODI_OUT_IP_DSCP};
if (mask)
mask[idx] = 0x3f >> (6 - width);
break;
case RTE_FLOW_FIELD_IPV6_HOPLIMIT:
info[idx] = (struct field_modify_info){1, 0,
MLX5_MODI_OUT_IPV6_HOPLIMIT};
if (mask)
mask[idx] = 0xff >> (8 - width);
break;
case RTE_FLOW_FIELD_IPV6_SRC:
if (mask) {
if (data->offset < 32) {
info[idx] = (struct field_modify_info){4, 12,
MLX5_MODI_OUT_SIPV6_31_0};
if (width < 32) {
mask[3] =
rte_cpu_to_be_32(0xffffffff >>
(32 - width));
width = 0;
} else {
mask[3] = RTE_BE32(0xffffffff);
width -= 32;
}
if (!width)
break;
++idx;
}
if (data->offset < 64) {
info[idx] = (struct field_modify_info){4, 8,
MLX5_MODI_OUT_SIPV6_63_32};
if (width < 32) {
mask[2] =
rte_cpu_to_be_32(0xffffffff >>
(32 - width));
width = 0;
} else {
mask[2] = RTE_BE32(0xffffffff);
width -= 32;
}
if (!width)
break;
++idx;
}
if (data->offset < 96) {
info[idx] = (struct field_modify_info){4, 4,
MLX5_MODI_OUT_SIPV6_95_64};
if (width < 32) {
mask[1] =
rte_cpu_to_be_32(0xffffffff >>
(32 - width));
width = 0;
} else {
mask[1] = RTE_BE32(0xffffffff);
width -= 32;
}
if (!width)
break;
++idx;
}
info[idx] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_SIPV6_127_96};
mask[0] = rte_cpu_to_be_32(0xffffffff >> (32 - width));
} else {
if (data->offset < 32)
info[idx++] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_SIPV6_31_0};
if (data->offset < 64)
info[idx++] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_SIPV6_63_32};
if (data->offset < 96)
info[idx++] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_SIPV6_95_64};
if (data->offset < 128)
info[idx++] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_SIPV6_127_96};
}
break;
case RTE_FLOW_FIELD_IPV6_DST:
if (mask) {
if (data->offset < 32) {
info[idx] = (struct field_modify_info){4, 12,
MLX5_MODI_OUT_DIPV6_31_0};
if (width < 32) {
mask[3] =
rte_cpu_to_be_32(0xffffffff >>
(32 - width));
width = 0;
} else {
mask[3] = RTE_BE32(0xffffffff);
width -= 32;
}
if (!width)
break;
++idx;
}
if (data->offset < 64) {
info[idx] = (struct field_modify_info){4, 8,
MLX5_MODI_OUT_DIPV6_63_32};
if (width < 32) {
mask[2] =
rte_cpu_to_be_32(0xffffffff >>
(32 - width));
width = 0;
} else {
mask[2] = RTE_BE32(0xffffffff);
width -= 32;
}
if (!width)
break;
++idx;
}
if (data->offset < 96) {
info[idx] = (struct field_modify_info){4, 4,
MLX5_MODI_OUT_DIPV6_95_64};
if (width < 32) {
mask[1] =
rte_cpu_to_be_32(0xffffffff >>
(32 - width));
width = 0;
} else {
mask[1] = RTE_BE32(0xffffffff);
width -= 32;
}
if (!width)
break;
++idx;
}
info[idx] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_DIPV6_127_96};
mask[0] = rte_cpu_to_be_32(0xffffffff >> (32 - width));
} else {
if (data->offset < 32)
info[idx++] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_DIPV6_31_0};
if (data->offset < 64)
info[idx++] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_DIPV6_63_32};
if (data->offset < 96)
info[idx++] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_DIPV6_95_64};
if (data->offset < 128)
info[idx++] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_DIPV6_127_96};
}
break;
case RTE_FLOW_FIELD_TCP_PORT_SRC:
info[idx] = (struct field_modify_info){2, 0,
MLX5_MODI_OUT_TCP_SPORT};
if (mask)
mask[idx] = rte_cpu_to_be_16(0xffff >> (16 - width));
break;
case RTE_FLOW_FIELD_TCP_PORT_DST:
info[idx] = (struct field_modify_info){2, 0,
MLX5_MODI_OUT_TCP_DPORT};
if (mask)
mask[idx] = rte_cpu_to_be_16(0xffff >> (16 - width));
break;
case RTE_FLOW_FIELD_TCP_SEQ_NUM:
info[idx] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_TCP_SEQ_NUM};
if (mask)
mask[idx] = rte_cpu_to_be_32(0xffffffff >>
(32 - width));
break;
case RTE_FLOW_FIELD_TCP_ACK_NUM:
info[idx] = (struct field_modify_info){4, 0,
MLX5_MODI_OUT_TCP_ACK_NUM};
if (mask)
mask[idx] = rte_cpu_to_be_32(0xffffffff >>
(32 - width));
break;
case RTE_FLOW_FIELD_TCP_FLAGS:
info[idx] = (struct field_modify_info){2, 0,
MLX5_MODI_OUT_TCP_FLAGS};
if (mask)
mask[idx] = rte_cpu_to_be_16(0x1ff >> (9 - width));
break;
case RTE_FLOW_FIELD_UDP_PORT_SRC:
info[idx] = (struct field_modify_info){2, 0,
MLX5_MODI_OUT_UDP_SPORT};
if (mask)
mask[idx] = rte_cpu_to_be_16(0xffff >> (16 - width));
break;
case RTE_FLOW_FIELD_UDP_PORT_DST:
info[idx] = (struct field_modify_info){2, 0,
MLX5_MODI_OUT_UDP_DPORT};
if (mask)
mask[idx] = rte_cpu_to_be_16(0xffff >> (16 - width));
break;
case RTE_FLOW_FIELD_VXLAN_VNI:
/* not supported yet */
break;
case RTE_FLOW_FIELD_GENEVE_VNI:
/* not supported yet*/
break;
case RTE_FLOW_FIELD_GTP_TEID:
info[idx] = (struct field_modify_info){4, 0,
MLX5_MODI_GTP_TEID};
if (mask)
mask[idx] = rte_cpu_to_be_32(0xffffffff >>
(32 - width));
break;
case RTE_FLOW_FIELD_TAG:
{
int reg = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG,
data->level, error);
if (reg < 0)
return;
MLX5_ASSERT(reg != REG_NON);
MLX5_ASSERT((unsigned int)reg < RTE_DIM(reg_to_field));
info[idx] = (struct field_modify_info){4, 0,
reg_to_field[reg]};
if (mask)
mask[idx] =
rte_cpu_to_be_32(0xffffffff >>
(32 - width));
}
break;
case RTE_FLOW_FIELD_MARK:
{
uint32_t mark_mask = priv->sh->dv_mark_mask;
uint32_t mark_count = __builtin_popcount(mark_mask);
int reg = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK,
0, error);
if (reg < 0)
return;
MLX5_ASSERT(reg != REG_NON);
MLX5_ASSERT((unsigned int)reg < RTE_DIM(reg_to_field));
info[idx] = (struct field_modify_info){4, 0,
reg_to_field[reg]};
if (mask)
mask[idx] = rte_cpu_to_be_32((mark_mask >>
(mark_count - width)) & mark_mask);
}
break;
case RTE_FLOW_FIELD_META:
{
uint32_t meta_mask = priv->sh->dv_meta_mask;
uint32_t meta_count = __builtin_popcount(meta_mask);
int reg = flow_dv_get_metadata_reg(dev, attr, error);
if (reg < 0)
return;
MLX5_ASSERT(reg != REG_NON);
MLX5_ASSERT((unsigned int)reg < RTE_DIM(reg_to_field));
info[idx] = (struct field_modify_info){4, 0,
reg_to_field[reg]};
if (mask)
mask[idx] = rte_cpu_to_be_32((meta_mask >>
(meta_count - width)) & meta_mask);
}
break;
case RTE_FLOW_FIELD_POINTER:
case RTE_FLOW_FIELD_VALUE:
default:
MLX5_ASSERT(false);
break;
}
}
/**
* Convert modify_field action to DV specification.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in,out] resource
* Pointer to the modify-header resource.
* @param[in] action
* Pointer to action specification.
* @param[in] attr
* Attributes of flow that includes this item.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_action_modify_field
(struct rte_eth_dev *dev,
struct mlx5_flow_dv_modify_hdr_resource *resource,
const struct rte_flow_action *action,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
const struct rte_flow_action_modify_field *conf =
(const struct rte_flow_action_modify_field *)(action->conf);
struct rte_flow_item item = {
.spec = NULL,
.mask = NULL
};
struct field_modify_info field[MLX5_ACT_MAX_MOD_FIELDS] = {
{0, 0, 0} };
struct field_modify_info dcopy[MLX5_ACT_MAX_MOD_FIELDS] = {
{0, 0, 0} };
uint32_t mask[MLX5_ACT_MAX_MOD_FIELDS] = {0, 0, 0, 0, 0};
uint32_t type, meta = 0;
if (conf->src.field == RTE_FLOW_FIELD_POINTER ||
conf->src.field == RTE_FLOW_FIELD_VALUE) {
type = MLX5_MODIFICATION_TYPE_SET;
/** For SET fill the destination field (field) first. */
mlx5_flow_field_id_to_modify_info(&conf->dst, field, mask,
conf->width, dev,
attr, error);
item.spec = conf->src.field == RTE_FLOW_FIELD_POINTER ?
(void *)(uintptr_t)conf->src.pvalue :
(void *)(uintptr_t)&conf->src.value;
if (conf->dst.field == RTE_FLOW_FIELD_META) {
meta = *(const unaligned_uint32_t *)item.spec;
meta = rte_cpu_to_be_32(meta);
item.spec = &meta;
}
} else {
type = MLX5_MODIFICATION_TYPE_COPY;
/** For COPY fill the destination field (dcopy) without mask. */
mlx5_flow_field_id_to_modify_info(&conf->dst, dcopy, NULL,
conf->width, dev,
attr, error);
/** Then construct the source field (field) with mask. */
mlx5_flow_field_id_to_modify_info(&conf->src, field, mask,
conf->width, dev,
attr, error);
}
item.mask = &mask;
return flow_dv_convert_modify_action(&item,
field, dcopy, resource, type, error);
}
/**
* Validate MARK item.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] item
* Item specification.
* @param[in] attr
* Attributes of flow that includes this item.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_item_mark(struct rte_eth_dev *dev,
const struct rte_flow_item *item,
const struct rte_flow_attr *attr __rte_unused,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *config = &priv->config;
const struct rte_flow_item_mark *spec = item->spec;
const struct rte_flow_item_mark *mask = item->mask;
const struct rte_flow_item_mark nic_mask = {
.id = priv->sh->dv_mark_mask,
};
int ret;
if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"extended metadata feature"
" isn't enabled");
if (!mlx5_flow_ext_mreg_supported(dev))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"extended metadata register"
" isn't supported");
if (!nic_mask.id)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"extended metadata register"
" isn't available");
ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
if (ret < 0)
return ret;
if (!spec)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
item->spec,
"data cannot be empty");
if (spec->id >= (MLX5_FLOW_MARK_MAX & nic_mask.id))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
&spec->id,
"mark id exceeds the limit");
if (!mask)
mask = &nic_mask;
if (!mask->id)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
"mask cannot be zero");
ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
(const uint8_t *)&nic_mask,
sizeof(struct rte_flow_item_mark),
MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
if (ret < 0)
return ret;
return 0;
}
/**
* Validate META item.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] item
* Item specification.
* @param[in] attr
* Attributes of flow that includes this item.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_item_meta(struct rte_eth_dev *dev __rte_unused,
const struct rte_flow_item *item,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *config = &priv->config;
const struct rte_flow_item_meta *spec = item->spec;
const struct rte_flow_item_meta *mask = item->mask;
struct rte_flow_item_meta nic_mask = {
.data = UINT32_MAX
};
int reg;
int ret;
if (!spec)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
item->spec,
"data cannot be empty");
if (config->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
if (!mlx5_flow_ext_mreg_supported(dev))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"extended metadata register"
" isn't supported");
reg = flow_dv_get_metadata_reg(dev, attr, error);
if (reg < 0)
return reg;
if (reg == REG_NON)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"unavailable extended metadata register");
if (reg == REG_B)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"match on reg_b "
"isn't supported");
if (reg != REG_A)
nic_mask.data = priv->sh->dv_meta_mask;
} else {
if (attr->transfer)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"extended metadata feature "
"should be enabled when "
"meta item is requested "
"with e-switch mode ");
if (attr->ingress)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"match on metadata for ingress "
"is not supported in legacy "
"metadata mode");
}
if (!mask)
mask = &rte_flow_item_meta_mask;
if (!mask->data)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
"mask cannot be zero");
ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
(const uint8_t *)&nic_mask,
sizeof(struct rte_flow_item_meta),
MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
return ret;
}
/**
* Validate TAG item.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] item
* Item specification.
* @param[in] attr
* Attributes of flow that includes this item.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_item_tag(struct rte_eth_dev *dev,
const struct rte_flow_item *item,
const struct rte_flow_attr *attr __rte_unused,
struct rte_flow_error *error)
{
const struct rte_flow_item_tag *spec = item->spec;
const struct rte_flow_item_tag *mask = item->mask;
const struct rte_flow_item_tag nic_mask = {
.data = RTE_BE32(UINT32_MAX),
.index = 0xff,
};
int ret;
if (!mlx5_flow_ext_mreg_supported(dev))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"extensive metadata register"
" isn't supported");
if (!spec)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
item->spec,
"data cannot be empty");
if (!mask)
mask = &rte_flow_item_tag_mask;
if (!mask->data)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
"mask cannot be zero");
ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
(const uint8_t *)&nic_mask,
sizeof(struct rte_flow_item_tag),
MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
if (ret < 0)
return ret;
if (mask->index != 0xff)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC, NULL,
"partial mask for tag index"
" is not supported");
ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, spec->index, error);
if (ret < 0)
return ret;
MLX5_ASSERT(ret != REG_NON);
return 0;
}
/**
* Validate vport item.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] item
* Item specification.
* @param[in] attr
* Attributes of flow that includes this item.
* @param[in] item_flags
* Bit-fields that holds the items detected until now.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_item_port_id(struct rte_eth_dev *dev,
const struct rte_flow_item *item,
const struct rte_flow_attr *attr,
uint64_t item_flags,
struct rte_flow_error *error)
{
const struct rte_flow_item_port_id *spec = item->spec;
const struct rte_flow_item_port_id *mask = item->mask;
const struct rte_flow_item_port_id switch_mask = {
.id = 0xffffffff,
};
struct mlx5_priv *esw_priv;
struct mlx5_priv *dev_priv;
int ret;
if (!attr->transfer)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL,
"match on port id is valid only"
" when transfer flag is enabled");
if (item_flags & MLX5_FLOW_ITEM_PORT_ID)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"multiple source ports are not"
" supported");
if (!mask)
mask = &switch_mask;
if (mask->id != 0xffffffff)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM_MASK,
mask,
"no support for partial mask on"
" \"id\" field");
ret = mlx5_flow_item_acceptable
(item, (const uint8_t *)mask,
(const uint8_t *)&rte_flow_item_port_id_mask,
sizeof(struct rte_flow_item_port_id),
MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
if (ret)
return ret;
if (!spec)
return 0;
if (spec->id == MLX5_PORT_ESW_MGR)
return 0;
esw_priv = mlx5_port_to_eswitch_info(spec->id, false);
if (!esw_priv)
return rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC, spec,
"failed to obtain E-Switch info for"
" port");
dev_priv = mlx5_dev_to_eswitch_info(dev);
if (!dev_priv)
return rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"failed to obtain E-Switch info");
if (esw_priv->domain_id != dev_priv->domain_id)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC, spec,
"cannot match on a port from a"
" different E-Switch");
return 0;
}
/**
* Validate VLAN item.
*
* @param[in] item
* Item specification.
* @param[in] item_flags
* Bit-fields that holds the items detected until now.
* @param[in] dev
* Ethernet device flow is being created on.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_item_vlan(const struct rte_flow_item *item,
uint64_t item_flags,
struct rte_eth_dev *dev,
struct rte_flow_error *error)
{
const struct rte_flow_item_vlan *mask = item->mask;
const struct rte_flow_item_vlan nic_mask = {
.tci = RTE_BE16(UINT16_MAX),
.inner_type = RTE_BE16(UINT16_MAX),
.has_more_vlan = 1,
};
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
int ret;
const uint64_t l34m = tunnel ? (MLX5_FLOW_LAYER_INNER_L3 |
MLX5_FLOW_LAYER_INNER_L4) :
(MLX5_FLOW_LAYER_OUTER_L3 |
MLX5_FLOW_LAYER_OUTER_L4);
const uint64_t vlanm = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
MLX5_FLOW_LAYER_OUTER_VLAN;
if (item_flags & vlanm)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"multiple VLAN layers not supported");
else if ((item_flags & l34m) != 0)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"VLAN cannot follow L3/L4 layer");
if (!mask)
mask = &rte_flow_item_vlan_mask;
ret = mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
(const uint8_t *)&nic_mask,
sizeof(struct rte_flow_item_vlan),
MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
if (ret)
return ret;
if (!tunnel && mask->tci != RTE_BE16(0x0fff)) {
struct mlx5_priv *priv = dev->data->dev_private;
if (priv->vmwa_context) {
/*
* Non-NULL context means we have a virtual machine
* and SR-IOV enabled, we have to create VLAN interface
* to make hypervisor to setup E-Switch vport
* context correctly. We avoid creating the multiple
* VLAN interfaces, so we cannot support VLAN tag mask.
*/
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"VLAN tag mask is not"
" supported in virtual"
" environment");
}
}
return 0;
}
/*
* GTP flags are contained in 1 byte of the format:
* -------------------------------------------
* | bit | 0 - 2 | 3 | 4 | 5 | 6 | 7 |
* |-----------------------------------------|
* | value | Version | PT | Res | E | S | PN |
* -------------------------------------------
*
* Matching is supported only for GTP flags E, S, PN.
*/
#define MLX5_GTP_FLAGS_MASK 0x07
/**
* Validate GTP item.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] item
* Item specification.
* @param[in] item_flags
* Bit-fields that holds the items detected until now.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_item_gtp(struct rte_eth_dev *dev,
const struct rte_flow_item *item,
uint64_t item_flags,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_item_gtp *spec = item->spec;
const struct rte_flow_item_gtp *mask = item->mask;
const struct rte_flow_item_gtp nic_mask = {
.v_pt_rsv_flags = MLX5_GTP_FLAGS_MASK,
.msg_type = 0xff,
.teid = RTE_BE32(0xffffffff),
};
if (!priv->config.hca_attr.tunnel_stateless_gtp)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"GTP support is not enabled");
if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"multiple tunnel layers not"
" supported");
if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_UDP))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"no outer UDP layer found");
if (!mask)
mask = &rte_flow_item_gtp_mask;
if (spec && spec->v_pt_rsv_flags & ~MLX5_GTP_FLAGS_MASK)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Match is supported for GTP"
" flags only");
return mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
(const uint8_t *)&nic_mask,
sizeof(struct rte_flow_item_gtp),
MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
}
/**
* Validate GTP PSC item.
*
* @param[in] item
* Item specification.
* @param[in] last_item
* Previous validated item in the pattern items.
* @param[in] gtp_item
* Previous GTP item specification.
* @param[in] attr
* Pointer to flow attributes.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_item_gtp_psc(const struct rte_flow_item *item,
uint64_t last_item,
const struct rte_flow_item *gtp_item,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
const struct rte_flow_item_gtp *gtp_spec;
const struct rte_flow_item_gtp *gtp_mask;
const struct rte_flow_item_gtp_psc *mask;
const struct rte_flow_item_gtp_psc nic_mask = {
.hdr.type = 0xF,
.hdr.qfi = 0x3F,
};
if (!gtp_item || !(last_item & MLX5_FLOW_LAYER_GTP))
return rte_flow_error_set
(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
"GTP PSC item must be preceded with GTP item");
gtp_spec = gtp_item->spec;
gtp_mask = gtp_item->mask ? gtp_item->mask : &rte_flow_item_gtp_mask;
/* GTP spec and E flag is requested to match zero. */
if (gtp_spec &&
(gtp_mask->v_pt_rsv_flags &
~gtp_spec->v_pt_rsv_flags & MLX5_GTP_EXT_HEADER_FLAG))
return rte_flow_error_set
(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, item,
"GTP E flag must be 1 to match GTP PSC");
/* Check the flow is not created in group zero. */
if (!attr->transfer && !attr->group)
return rte_flow_error_set
(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"GTP PSC is not supported for group 0");
/* GTP spec is here and E flag is requested to match zero. */
if (!item->spec)
return 0;
mask = item->mask ? item->mask : &rte_flow_item_gtp_psc_mask;
return mlx5_flow_item_acceptable(item, (const uint8_t *)mask,
(const uint8_t *)&nic_mask,
sizeof(struct rte_flow_item_gtp_psc),
MLX5_ITEM_RANGE_NOT_ACCEPTED, error);
}
/**
* Validate IPV4 item.
* Use existing validation function mlx5_flow_validate_item_ipv4(), and
* add specific validation of fragment_offset field,
*
* @param[in] item
* Item specification.
* @param[in] item_flags
* Bit-fields that holds the items detected until now.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_item_ipv4(struct rte_eth_dev *dev,
const struct rte_flow_item *item,
uint64_t item_flags, uint64_t last_item,
uint16_t ether_type, struct rte_flow_error *error)
{
int ret;
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_item_ipv4 *spec = item->spec;
const struct rte_flow_item_ipv4 *last = item->last;
const struct rte_flow_item_ipv4 *mask = item->mask;
rte_be16_t fragment_offset_spec = 0;
rte_be16_t fragment_offset_last = 0;
struct rte_flow_item_ipv4 nic_ipv4_mask = {
.hdr = {
.src_addr = RTE_BE32(0xffffffff),
.dst_addr = RTE_BE32(0xffffffff),
.type_of_service = 0xff,
.fragment_offset = RTE_BE16(0xffff),
.next_proto_id = 0xff,
.time_to_live = 0xff,
},
};
if (mask && (mask->hdr.version_ihl & RTE_IPV4_HDR_IHL_MASK)) {
int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
bool ihl_cap = !tunnel ? priv->config.hca_attr.outer_ipv4_ihl :
priv->config.hca_attr.inner_ipv4_ihl;
if (!ihl_cap)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"IPV4 ihl offload not supported");
nic_ipv4_mask.hdr.version_ihl = mask->hdr.version_ihl;
}
ret = mlx5_flow_validate_item_ipv4(item, item_flags, last_item,
ether_type, &nic_ipv4_mask,
MLX5_ITEM_RANGE_ACCEPTED, error);
if (ret < 0)
return ret;
if (spec && mask)
fragment_offset_spec = spec->hdr.fragment_offset &
mask->hdr.fragment_offset;
if (!fragment_offset_spec)
return 0;
/*
* spec and mask are valid, enforce using full mask to make sure the
* complete value is used correctly.
*/
if ((mask->hdr.fragment_offset & RTE_BE16(MLX5_IPV4_FRAG_OFFSET_MASK))
!= RTE_BE16(MLX5_IPV4_FRAG_OFFSET_MASK))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_MASK,
item, "must use full mask for"
" fragment_offset");
/*
* Match on fragment_offset 0x2000 means MF is 1 and frag-offset is 0,
* indicating this is 1st fragment of fragmented packet.
* This is not yet supported in MLX5, return appropriate error message.
*/
if (fragment_offset_spec == RTE_BE16(RTE_IPV4_HDR_MF_FLAG))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"match on first fragment not "
"supported");
if (fragment_offset_spec && !last)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"specified value not supported");
/* spec and last are valid, validate the specified range. */
fragment_offset_last = last->hdr.fragment_offset &
mask->hdr.fragment_offset;
/*
* Match on fragment_offset spec 0x2001 and last 0x3fff
* means MF is 1 and frag-offset is > 0.
* This packet is fragment 2nd and onward, excluding last.
* This is not yet supported in MLX5, return appropriate
* error message.
*/
if (fragment_offset_spec == RTE_BE16(RTE_IPV4_HDR_MF_FLAG + 1) &&
fragment_offset_last == RTE_BE16(MLX5_IPV4_FRAG_OFFSET_MASK))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM_LAST,
last, "match on following "
"fragments not supported");
/*
* Match on fragment_offset spec 0x0001 and last 0x1fff
* means MF is 0 and frag-offset is > 0.
* This packet is last fragment of fragmented packet.
* This is not yet supported in MLX5, return appropriate
* error message.
*/
if (fragment_offset_spec == RTE_BE16(1) &&
fragment_offset_last == RTE_BE16(RTE_IPV4_HDR_OFFSET_MASK))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM_LAST,
last, "match on last "
"fragment not supported");
/*
* Match on fragment_offset spec 0x0001 and last 0x3fff
* means MF and/or frag-offset is not 0.
* This is a fragmented packet.
* Other range values are invalid and rejected.
*/
if (!(fragment_offset_spec == RTE_BE16(1) &&
fragment_offset_last == RTE_BE16(MLX5_IPV4_FRAG_OFFSET_MASK)))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM_LAST, last,
"specified range not supported");
return 0;
}
/**
* Validate IPV6 fragment extension item.
*
* @param[in] item
* Item specification.
* @param[in] item_flags
* Bit-fields that holds the items detected until now.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_item_ipv6_frag_ext(const struct rte_flow_item *item,
uint64_t item_flags,
struct rte_flow_error *error)
{
const struct rte_flow_item_ipv6_frag_ext *spec = item->spec;
const struct rte_flow_item_ipv6_frag_ext *last = item->last;
const struct rte_flow_item_ipv6_frag_ext *mask = item->mask;
rte_be16_t frag_data_spec = 0;
rte_be16_t frag_data_last = 0;
const int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
const uint64_t l4m = tunnel ? MLX5_FLOW_LAYER_INNER_L4 :
MLX5_FLOW_LAYER_OUTER_L4;
int ret = 0;
struct rte_flow_item_ipv6_frag_ext nic_mask = {
.hdr = {
.next_header = 0xff,
.frag_data = RTE_BE16(0xffff),
},
};
if (item_flags & l4m)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"ipv6 fragment extension item cannot "
"follow L4 item.");
if ((tunnel && !(item_flags & MLX5_FLOW_LAYER_INNER_L3_IPV6)) ||
(!tunnel && !(item_flags & MLX5_FLOW_LAYER_OUTER_L3_IPV6)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"ipv6 fragment extension item must "
"follow ipv6 item");
if (spec && mask)
frag_data_spec = spec->hdr.frag_data & mask->hdr.frag_data;
if (!frag_data_spec)
return 0;
/*
* spec and mask are valid, enforce using full mask to make sure the
* complete value is used correctly.
*/
if ((mask->hdr.frag_data & RTE_BE16(RTE_IPV6_FRAG_USED_MASK)) !=
RTE_BE16(RTE_IPV6_FRAG_USED_MASK))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_MASK,
item, "must use full mask for"
" frag_data");
/*
* Match on frag_data 0x00001 means M is 1 and frag-offset is 0.
* This is 1st fragment of fragmented packet.
*/
if (frag_data_spec == RTE_BE16(RTE_IPV6_EHDR_MF_MASK))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"match on first fragment not "
"supported");
if (frag_data_spec && !last)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"specified value not supported");
ret = mlx5_flow_item_acceptable
(item, (const uint8_t *)mask,
(const uint8_t *)&nic_mask,
sizeof(struct rte_flow_item_ipv6_frag_ext),
MLX5_ITEM_RANGE_ACCEPTED, error);
if (ret)
return ret;
/* spec and last are valid, validate the specified range. */
frag_data_last = last->hdr.frag_data & mask->hdr.frag_data;
/*
* Match on frag_data spec 0x0009 and last 0xfff9
* means M is 1 and frag-offset is > 0.
* This packet is fragment 2nd and onward, excluding last.
* This is not yet supported in MLX5, return appropriate
* error message.
*/
if (frag_data_spec == RTE_BE16(RTE_IPV6_EHDR_FO_ALIGN |
RTE_IPV6_EHDR_MF_MASK) &&
frag_data_last == RTE_BE16(RTE_IPV6_FRAG_USED_MASK))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM_LAST,
last, "match on following "
"fragments not supported");
/*
* Match on frag_data spec 0x0008 and last 0xfff8
* means M is 0 and frag-offset is > 0.
* This packet is last fragment of fragmented packet.
* This is not yet supported in MLX5, return appropriate
* error message.
*/
if (frag_data_spec == RTE_BE16(RTE_IPV6_EHDR_FO_ALIGN) &&
frag_data_last == RTE_BE16(RTE_IPV6_EHDR_FO_MASK))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM_LAST,
last, "match on last "
"fragment not supported");
/* Other range values are invalid and rejected. */
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM_LAST, last,
"specified range not supported");
}
/*
* Validate ASO CT item.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] item
* Item specification.
* @param[in] item_flags
* Pointer to bit-fields that holds the items detected until now.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_item_aso_ct(struct rte_eth_dev *dev,
const struct rte_flow_item *item,
uint64_t *item_flags,
struct rte_flow_error *error)
{
const struct rte_flow_item_conntrack *spec = item->spec;
const struct rte_flow_item_conntrack *mask = item->mask;
RTE_SET_USED(dev);
uint32_t flags;
if (*item_flags & MLX5_FLOW_LAYER_ASO_CT)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
"Only one CT is supported");
if (!mask)
mask = &rte_flow_item_conntrack_mask;
flags = spec->flags & mask->flags;
if ((flags & RTE_FLOW_CONNTRACK_PKT_STATE_VALID) &&
((flags & RTE_FLOW_CONNTRACK_PKT_STATE_INVALID) ||
(flags & RTE_FLOW_CONNTRACK_PKT_STATE_BAD) ||
(flags & RTE_FLOW_CONNTRACK_PKT_STATE_DISABLED)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
"Conflict status bits");
/* State change also needs to be considered. */
*item_flags |= MLX5_FLOW_LAYER_ASO_CT;
return 0;
}
/**
* Validate the pop VLAN action.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the pop vlan action.
* @param[in] item_flags
* The items found in this flow rule.
* @param[in] attr
* Pointer to flow attributes.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_pop_vlan(struct rte_eth_dev *dev,
uint64_t action_flags,
const struct rte_flow_action *action,
uint64_t item_flags,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
const struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
bool direction_error = false;
if (!priv->sh->pop_vlan_action)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"pop vlan action is not supported");
/* Pop VLAN is not supported in egress except for CX6 FDB mode. */
if (attr->transfer) {
bool fdb_tx = priv->representor_id != UINT16_MAX;
bool is_cx5 = sh->steering_format_version ==
MLX5_STEERING_LOGIC_FORMAT_CONNECTX_5;
if (fdb_tx && is_cx5)
direction_error = true;
} else if (attr->egress) {
direction_error = true;
}
if (direction_error)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
NULL,
"pop vlan action not supported for egress");
if (action_flags & MLX5_FLOW_VLAN_ACTIONS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"no support for multiple VLAN "
"actions");
/* Pop VLAN with preceding Decap requires inner header with VLAN. */
if ((action_flags & MLX5_FLOW_ACTION_DECAP) &&
!(item_flags & MLX5_FLOW_LAYER_INNER_VLAN))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot pop vlan after decap without "
"match on inner vlan in the flow");
/* Pop VLAN without preceding Decap requires outer header with VLAN. */
if (!(action_flags & MLX5_FLOW_ACTION_DECAP) &&
!(item_flags & MLX5_FLOW_LAYER_OUTER_VLAN))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot pop vlan without a "
"match on (outer) vlan in the flow");
if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"wrong action order, port_id should "
"be after pop VLAN action");
if (!attr->transfer && priv->representor)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"pop vlan action for VF representor "
"not supported on NIC table");
return 0;
}
/**
* Get VLAN default info from vlan match info.
*
* @param[in] items
* the list of item specifications.
* @param[out] vlan
* pointer VLAN info to fill to.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static void
flow_dev_get_vlan_info_from_items(const struct rte_flow_item *items,
struct rte_vlan_hdr *vlan)
{
const struct rte_flow_item_vlan nic_mask = {
.tci = RTE_BE16(MLX5DV_FLOW_VLAN_PCP_MASK |
MLX5DV_FLOW_VLAN_VID_MASK),
.inner_type = RTE_BE16(0xffff),
};
if (items == NULL)
return;
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
int type = items->type;
if (type == RTE_FLOW_ITEM_TYPE_VLAN ||
type == MLX5_RTE_FLOW_ITEM_TYPE_VLAN)
break;
}
if (items->type != RTE_FLOW_ITEM_TYPE_END) {
const struct rte_flow_item_vlan *vlan_m = items->mask;
const struct rte_flow_item_vlan *vlan_v = items->spec;
/* If VLAN item in pattern doesn't contain data, return here. */
if (!vlan_v)
return;
if (!vlan_m)
vlan_m = &nic_mask;
/* Only full match values are accepted */
if ((vlan_m->tci & MLX5DV_FLOW_VLAN_PCP_MASK_BE) ==
MLX5DV_FLOW_VLAN_PCP_MASK_BE) {
vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_PCP_MASK;
vlan->vlan_tci |=
rte_be_to_cpu_16(vlan_v->tci &
MLX5DV_FLOW_VLAN_PCP_MASK_BE);
}
if ((vlan_m->tci & MLX5DV_FLOW_VLAN_VID_MASK_BE) ==
MLX5DV_FLOW_VLAN_VID_MASK_BE) {
vlan->vlan_tci &= ~MLX5DV_FLOW_VLAN_VID_MASK;
vlan->vlan_tci |=
rte_be_to_cpu_16(vlan_v->tci &
MLX5DV_FLOW_VLAN_VID_MASK_BE);
}
if (vlan_m->inner_type == nic_mask.inner_type)
vlan->eth_proto = rte_be_to_cpu_16(vlan_v->inner_type &
vlan_m->inner_type);
}
}
/**
* Validate the push VLAN action.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] item_flags
* The items found in this flow rule.
* @param[in] action
* Pointer to the action structure.
* @param[in] attr
* Pointer to flow attributes
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_push_vlan(struct rte_eth_dev *dev,
uint64_t action_flags,
const struct rte_flow_item_vlan *vlan_m,
const struct rte_flow_action *action,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
const struct rte_flow_action_of_push_vlan *push_vlan = action->conf;
const struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
bool direction_error = false;
if (push_vlan->ethertype != RTE_BE16(RTE_ETHER_TYPE_VLAN) &&
push_vlan->ethertype != RTE_BE16(RTE_ETHER_TYPE_QINQ))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"invalid vlan ethertype");
if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"wrong action order, port_id should "
"be after push VLAN");
/* Push VLAN is not supported in ingress except for CX6 FDB mode. */
if (attr->transfer) {
bool fdb_tx = priv->representor_id != UINT16_MAX;
bool is_cx5 = sh->steering_format_version ==
MLX5_STEERING_LOGIC_FORMAT_CONNECTX_5;
if (!fdb_tx && is_cx5)
direction_error = true;
} else if (attr->ingress) {
direction_error = true;
}
if (direction_error)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
NULL,
"push vlan action not supported for ingress");
if (!attr->transfer && priv->representor)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"push vlan action for VF representor "
"not supported on NIC table");
if (vlan_m &&
(vlan_m->tci & MLX5DV_FLOW_VLAN_PCP_MASK_BE) &&
(vlan_m->tci & MLX5DV_FLOW_VLAN_PCP_MASK_BE) !=
MLX5DV_FLOW_VLAN_PCP_MASK_BE &&
!(action_flags & MLX5_FLOW_ACTION_OF_SET_VLAN_PCP) &&
!(mlx5_flow_find_action
(action + 1, RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"not full match mask on VLAN PCP and "
"there is no of_set_vlan_pcp action, "
"push VLAN action cannot figure out "
"PCP value");
if (vlan_m &&
(vlan_m->tci & MLX5DV_FLOW_VLAN_VID_MASK_BE) &&
(vlan_m->tci & MLX5DV_FLOW_VLAN_VID_MASK_BE) !=
MLX5DV_FLOW_VLAN_VID_MASK_BE &&
!(action_flags & MLX5_FLOW_ACTION_OF_SET_VLAN_VID) &&
!(mlx5_flow_find_action
(action + 1, RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"not full match mask on VLAN VID and "
"there is no of_set_vlan_vid action, "
"push VLAN action cannot figure out "
"VID value");
(void)attr;
return 0;
}
/**
* Validate the set VLAN PCP.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] actions
* Pointer to the list of actions remaining in the flow rule.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_set_vlan_pcp(uint64_t action_flags,
const struct rte_flow_action actions[],
struct rte_flow_error *error)
{
const struct rte_flow_action *action = actions;
const struct rte_flow_action_of_set_vlan_pcp *conf = action->conf;
if (conf->vlan_pcp > 7)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"VLAN PCP value is too big");
if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"set VLAN PCP action must follow "
"the push VLAN action");
if (action_flags & MLX5_FLOW_ACTION_OF_SET_VLAN_PCP)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"Multiple VLAN PCP modification are "
"not supported");
if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"wrong action order, port_id should "
"be after set VLAN PCP");
return 0;
}
/**
* Validate the set VLAN VID.
*
* @param[in] item_flags
* Holds the items detected in this rule.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] actions
* Pointer to the list of actions remaining in the flow rule.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_set_vlan_vid(uint64_t item_flags,
uint64_t action_flags,
const struct rte_flow_action actions[],
struct rte_flow_error *error)
{
const struct rte_flow_action *action = actions;
const struct rte_flow_action_of_set_vlan_vid *conf = action->conf;
if (rte_be_to_cpu_16(conf->vlan_vid) > 0xFFE)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"VLAN VID value is too big");
if (!(action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN) &&
!(item_flags & MLX5_FLOW_LAYER_OUTER_VLAN))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"set VLAN VID action must follow push"
" VLAN action or match on VLAN item");
if (action_flags & MLX5_FLOW_ACTION_OF_SET_VLAN_VID)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"Multiple VLAN VID modifications are "
"not supported");
if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"wrong action order, port_id should "
"be after set VLAN VID");
return 0;
}
/*
* Validate the FLAG action.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] attr
* Pointer to flow attributes
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_flag(struct rte_eth_dev *dev,
uint64_t action_flags,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *config = &priv->config;
int ret;
/* Fall back if no extended metadata register support. */
if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY)
return mlx5_flow_validate_action_flag(action_flags, attr,
error);
/* Extensive metadata mode requires registers. */
if (!mlx5_flow_ext_mreg_supported(dev))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"no metadata registers "
"to support flag action");
if (!(priv->sh->dv_mark_mask & MLX5_FLOW_MARK_DEFAULT))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"extended metadata register"
" isn't available");
ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
if (ret < 0)
return ret;
MLX5_ASSERT(ret > 0);
if (action_flags & MLX5_FLOW_ACTION_MARK)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"can't mark and flag in same flow");
if (action_flags & MLX5_FLOW_ACTION_FLAG)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"can't have 2 flag"
" actions in same flow");
return 0;
}
/**
* Validate MARK action.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] action
* Pointer to action.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] attr
* Pointer to flow attributes
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_mark(struct rte_eth_dev *dev,
const struct rte_flow_action *action,
uint64_t action_flags,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *config = &priv->config;
const struct rte_flow_action_mark *mark = action->conf;
int ret;
if (is_tunnel_offload_active(dev))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"no mark action "
"if tunnel offload active");
/* Fall back if no extended metadata register support. */
if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY)
return mlx5_flow_validate_action_mark(action, action_flags,
attr, error);
/* Extensive metadata mode requires registers. */
if (!mlx5_flow_ext_mreg_supported(dev))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"no metadata registers "
"to support mark action");
if (!priv->sh->dv_mark_mask)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"extended metadata register"
" isn't available");
ret = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, error);
if (ret < 0)
return ret;
MLX5_ASSERT(ret > 0);
if (!mark)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"configuration cannot be null");
if (mark->id >= (MLX5_FLOW_MARK_MAX & priv->sh->dv_mark_mask))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
&mark->id,
"mark id exceeds the limit");
if (action_flags & MLX5_FLOW_ACTION_FLAG)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"can't flag and mark in same flow");
if (action_flags & MLX5_FLOW_ACTION_MARK)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"can't have 2 mark actions in same"
" flow");
return 0;
}
/**
* Validate SET_META action.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] action
* Pointer to the action structure.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] attr
* Pointer to flow attributes
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_set_meta(struct rte_eth_dev *dev,
const struct rte_flow_action *action,
uint64_t action_flags __rte_unused,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *config = &priv->config;
const struct rte_flow_action_set_meta *conf;
uint32_t nic_mask = UINT32_MAX;
int reg;
if (config->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
!mlx5_flow_ext_mreg_supported(dev))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"extended metadata register"
" isn't supported");
reg = flow_dv_get_metadata_reg(dev, attr, error);
if (reg < 0)
return reg;
if (reg == REG_NON)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"unavailable extended metadata register");
if (reg != REG_A && reg != REG_B) {
struct mlx5_priv *priv = dev->data->dev_private;
nic_mask = priv->sh->dv_meta_mask;
}
if (!(action->conf))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"configuration cannot be null");
conf = (const struct rte_flow_action_set_meta *)action->conf;
if (!conf->mask)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"zero mask doesn't have any effect");
if (conf->mask & ~nic_mask)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"meta data must be within reg C0");
return 0;
}
/**
* Validate SET_TAG action.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] action
* Pointer to the action structure.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] attr
* Pointer to flow attributes
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_set_tag(struct rte_eth_dev *dev,
const struct rte_flow_action *action,
uint64_t action_flags,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
const struct rte_flow_action_set_tag *conf;
const uint64_t terminal_action_flags =
MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_QUEUE |
MLX5_FLOW_ACTION_RSS;
int ret;
if (!mlx5_flow_ext_mreg_supported(dev))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"extensive metadata register"
" isn't supported");
if (!(action->conf))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"configuration cannot be null");
conf = (const struct rte_flow_action_set_tag *)action->conf;
if (!conf->mask)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"zero mask doesn't have any effect");
ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, conf->index, error);
if (ret < 0)
return ret;
if (!attr->transfer && attr->ingress &&
(action_flags & terminal_action_flags))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"set_tag has no effect"
" with terminal actions");
return 0;
}
/**
* Validate count action.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] shared
* Indicator if action is shared.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_count(struct rte_eth_dev *dev, bool shared,
uint64_t action_flags,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
if (!priv->sh->devx)
goto notsup_err;
if (action_flags & MLX5_FLOW_ACTION_COUNT)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"duplicate count actions set");
if (shared && (action_flags & MLX5_FLOW_ACTION_AGE) &&
!priv->sh->flow_hit_aso_en)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"old age and shared count combination is not supported");
#ifdef HAVE_IBV_FLOW_DEVX_COUNTERS
return 0;
#endif
notsup_err:
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"count action not supported");
}
/**
* Validate the L2 encap action.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the action structure.
* @param[in] attr
* Pointer to flow attributes.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_l2_encap(struct rte_eth_dev *dev,
uint64_t action_flags,
const struct rte_flow_action *action,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
const struct mlx5_priv *priv = dev->data->dev_private;
if (!(action->conf))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"configuration cannot be null");
if (action_flags & MLX5_FLOW_ACTION_ENCAP)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"can only have a single encap action "
"in a flow");
if (!attr->transfer && priv->representor)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"encap action for VF representor "
"not supported on NIC table");
return 0;
}
/**
* Validate a decap action.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the action structure.
* @param[in] item_flags
* Holds the items detected.
* @param[in] attr
* Pointer to flow attributes
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_decap(struct rte_eth_dev *dev,
uint64_t action_flags,
const struct rte_flow_action *action,
const uint64_t item_flags,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
const struct mlx5_priv *priv = dev->data->dev_private;
if (priv->config.hca_attr.scatter_fcs_w_decap_disable &&
!priv->config.decap_en)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"decap is not enabled");
if (action_flags & MLX5_FLOW_XCAP_ACTIONS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
action_flags &
MLX5_FLOW_ACTION_DECAP ? "can only "
"have a single decap action" : "decap "
"after encap is not supported");
if (action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"can't have decap action after"
" modify action");
if (attr->egress)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
NULL,
"decap action not supported for "
"egress");
if (!attr->transfer && priv->representor)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"decap action for VF representor "
"not supported on NIC table");
if (action->type == RTE_FLOW_ACTION_TYPE_VXLAN_DECAP &&
!(item_flags & MLX5_FLOW_LAYER_VXLAN))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"VXLAN item should be present for VXLAN decap");
return 0;
}
const struct rte_flow_action_raw_decap empty_decap = {.data = NULL, .size = 0,};
/**
* Validate the raw encap and decap actions.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] decap
* Pointer to the decap action.
* @param[in] encap
* Pointer to the encap action.
* @param[in] attr
* Pointer to flow attributes
* @param[in/out] action_flags
* Holds the actions detected until now.
* @param[out] actions_n
* pointer to the number of actions counter.
* @param[in] action
* Pointer to the action structure.
* @param[in] item_flags
* Holds the items detected.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_raw_encap_decap
(struct rte_eth_dev *dev,
const struct rte_flow_action_raw_decap *decap,
const struct rte_flow_action_raw_encap *encap,
const struct rte_flow_attr *attr, uint64_t *action_flags,
int *actions_n, const struct rte_flow_action *action,
uint64_t item_flags, struct rte_flow_error *error)
{
const struct mlx5_priv *priv = dev->data->dev_private;
int ret;
if (encap && (!encap->size || !encap->data))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"raw encap data cannot be empty");
if (decap && encap) {
if (decap->size <= MLX5_ENCAPSULATION_DECISION_SIZE &&
encap->size > MLX5_ENCAPSULATION_DECISION_SIZE)
/* L3 encap. */
decap = NULL;
else if (encap->size <=
MLX5_ENCAPSULATION_DECISION_SIZE &&
decap->size >
MLX5_ENCAPSULATION_DECISION_SIZE)
/* L3 decap. */
encap = NULL;
else if (encap->size >
MLX5_ENCAPSULATION_DECISION_SIZE &&
decap->size >
MLX5_ENCAPSULATION_DECISION_SIZE)
/* 2 L2 actions: encap and decap. */
;
else
return rte_flow_error_set(error,
ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "unsupported too small "
"raw decap and too small raw "
"encap combination");
}
if (decap) {
ret = flow_dv_validate_action_decap(dev, *action_flags, action,
item_flags, attr, error);
if (ret < 0)
return ret;
*action_flags |= MLX5_FLOW_ACTION_DECAP;
++(*actions_n);
}
if (encap) {
if (encap->size <= MLX5_ENCAPSULATION_DECISION_SIZE)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"small raw encap size");
if (*action_flags & MLX5_FLOW_ACTION_ENCAP)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"more than one encap action");
if (!attr->transfer && priv->representor)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"encap action for VF representor "
"not supported on NIC table");
*action_flags |= MLX5_FLOW_ACTION_ENCAP;
++(*actions_n);
}
return 0;
}
/*
* Validate the ASO CT action.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] item_flags
* The items found in this flow rule.
* @param[in] attr
* Pointer to flow attributes.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_aso_ct(struct rte_eth_dev *dev,
uint64_t action_flags,
uint64_t item_flags,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
RTE_SET_USED(dev);
if (attr->group == 0 && !attr->transfer)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"Only support non-root table");
if (action_flags & MLX5_FLOW_FATE_ACTIONS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"CT cannot follow a fate action");
if ((action_flags & MLX5_FLOW_ACTION_METER) ||
(action_flags & MLX5_FLOW_ACTION_AGE))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Only one ASO action is supported");
if (action_flags & MLX5_FLOW_ACTION_ENCAP)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Encap cannot exist before CT");
if (!(item_flags & MLX5_FLOW_LAYER_OUTER_L4_TCP))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"Not a outer TCP packet");
return 0;
}
int
flow_dv_encap_decap_match_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry, void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_encap_decap_resource *ctx_resource = ctx->data;
struct mlx5_flow_dv_encap_decap_resource *resource;
resource = container_of(entry, struct mlx5_flow_dv_encap_decap_resource,
entry);
if (resource->reformat_type == ctx_resource->reformat_type &&
resource->ft_type == ctx_resource->ft_type &&
resource->flags == ctx_resource->flags &&
resource->size == ctx_resource->size &&
!memcmp((const void *)resource->buf,
(const void *)ctx_resource->buf,
resource->size))
return 0;
return -1;
}
struct mlx5_list_entry *
flow_dv_encap_decap_create_cb(void *tool_ctx, void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5dv_dr_domain *domain;
struct mlx5_flow_dv_encap_decap_resource *ctx_resource = ctx->data;
struct mlx5_flow_dv_encap_decap_resource *resource;
uint32_t idx;
int ret;
if (ctx_resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
domain = sh->fdb_domain;
else if (ctx_resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_RX)
domain = sh->rx_domain;
else
domain = sh->tx_domain;
/* Register new encap/decap resource. */
resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_DECAP_ENCAP], &idx);
if (!resource) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
return NULL;
}
*resource = *ctx_resource;
resource->idx = idx;
ret = mlx5_flow_os_create_flow_action_packet_reformat(sh->cdev->ctx,
domain, resource,
&resource->action);
if (ret) {
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_DECAP_ENCAP], idx);
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create action");
return NULL;
}
return &resource->entry;
}
struct mlx5_list_entry *
flow_dv_encap_decap_clone_cb(void *tool_ctx, struct mlx5_list_entry *oentry,
void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_encap_decap_resource *cache_resource;
uint32_t idx;
cache_resource = mlx5_ipool_malloc(sh->ipool[MLX5_IPOOL_DECAP_ENCAP],
&idx);
if (!cache_resource) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
return NULL;
}
memcpy(cache_resource, oentry, sizeof(*cache_resource));
cache_resource->idx = idx;
return &cache_resource->entry;
}
void
flow_dv_encap_decap_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_dv_encap_decap_resource *res =
container_of(entry, typeof(*res), entry);
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_DECAP_ENCAP], res->idx);
}
/**
* Find existing encap/decap resource or create and register a new one.
*
* @param[in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in, out] resource
* Pointer to encap/decap resource.
* @parm[in, out] dev_flow
* Pointer to the dev_flow.
* @param[out] error
* pointer to error structure.
*
* @return
* 0 on success otherwise -errno and errno is set.
*/
static int
flow_dv_encap_decap_resource_register
(struct rte_eth_dev *dev,
struct mlx5_flow_dv_encap_decap_resource *resource,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
struct mlx5_list_entry *entry;
union {
struct {
uint32_t ft_type:8;
uint32_t refmt_type:8;
/*
* Header reformat actions can be shared between
* non-root tables. One bit to indicate non-root
* table or not.
*/
uint32_t is_root:1;
uint32_t reserve:15;
};
uint32_t v32;
} encap_decap_key = {
{
.ft_type = resource->ft_type,
.refmt_type = resource->reformat_type,
.is_root = !!dev_flow->dv.group,
.reserve = 0,
}
};
struct mlx5_flow_cb_ctx ctx = {
.error = error,
.data = resource,
};
struct mlx5_hlist *encaps_decaps;
uint64_t key64;
encaps_decaps = flow_dv_hlist_prepare(sh, &sh->encaps_decaps,
"encaps_decaps",
MLX5_FLOW_ENCAP_DECAP_HTABLE_SZ,
true, true, sh,
flow_dv_encap_decap_create_cb,
flow_dv_encap_decap_match_cb,
flow_dv_encap_decap_remove_cb,
flow_dv_encap_decap_clone_cb,
flow_dv_encap_decap_clone_free_cb);
if (unlikely(!encaps_decaps))
return -rte_errno;
resource->flags = dev_flow->dv.group ? 0 : 1;
key64 = __rte_raw_cksum(&encap_decap_key.v32,
sizeof(encap_decap_key.v32), 0);
if (resource->reformat_type !=
MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2 &&
resource->size)
key64 = __rte_raw_cksum(resource->buf, resource->size, key64);
entry = mlx5_hlist_register(encaps_decaps, key64, &ctx);
if (!entry)
return -rte_errno;
resource = container_of(entry, typeof(*resource), entry);
dev_flow->dv.encap_decap = resource;
dev_flow->handle->dvh.rix_encap_decap = resource->idx;
return 0;
}
/**
* Find existing table jump resource or create and register a new one.
*
* @param[in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in, out] tbl
* Pointer to flow table resource.
* @parm[in, out] dev_flow
* Pointer to the dev_flow.
* @param[out] error
* pointer to error structure.
*
* @return
* 0 on success otherwise -errno and errno is set.
*/
static int
flow_dv_jump_tbl_resource_register
(struct rte_eth_dev *dev __rte_unused,
struct mlx5_flow_tbl_resource *tbl,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error __rte_unused)
{
struct mlx5_flow_tbl_data_entry *tbl_data =
container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
MLX5_ASSERT(tbl);
MLX5_ASSERT(tbl_data->jump.action);
dev_flow->handle->rix_jump = tbl_data->idx;
dev_flow->dv.jump = &tbl_data->jump;
return 0;
}
int
flow_dv_port_id_match_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry, void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_port_id_action_resource *ref = ctx->data;
struct mlx5_flow_dv_port_id_action_resource *res =
container_of(entry, typeof(*res), entry);
return ref->port_id != res->port_id;
}
struct mlx5_list_entry *
flow_dv_port_id_create_cb(void *tool_ctx, void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_port_id_action_resource *ref = ctx->data;
struct mlx5_flow_dv_port_id_action_resource *resource;
uint32_t idx;
int ret;
/* Register new port id action resource. */
resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_PORT_ID], &idx);
if (!resource) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate port_id action memory");
return NULL;
}
*resource = *ref;
ret = mlx5_flow_os_create_flow_action_dest_port(sh->fdb_domain,
ref->port_id,
&resource->action);
if (ret) {
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_PORT_ID], idx);
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot create action");
return NULL;
}
resource->idx = idx;
return &resource->entry;
}
struct mlx5_list_entry *
flow_dv_port_id_clone_cb(void *tool_ctx,
struct mlx5_list_entry *entry __rte_unused,
void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_port_id_action_resource *resource;
uint32_t idx;
resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_PORT_ID], &idx);
if (!resource) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate port_id action memory");
return NULL;
}
memcpy(resource, entry, sizeof(*resource));
resource->idx = idx;
return &resource->entry;
}
void
flow_dv_port_id_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_dv_port_id_action_resource *resource =
container_of(entry, typeof(*resource), entry);
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_PORT_ID], resource->idx);
}
/**
* Find existing table port ID resource or create and register a new one.
*
* @param[in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in, out] ref
* Pointer to port ID action resource reference.
* @parm[in, out] dev_flow
* Pointer to the dev_flow.
* @param[out] error
* pointer to error structure.
*
* @return
* 0 on success otherwise -errno and errno is set.
*/
static int
flow_dv_port_id_action_resource_register
(struct rte_eth_dev *dev,
struct mlx5_flow_dv_port_id_action_resource *ref,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_list_entry *entry;
struct mlx5_flow_dv_port_id_action_resource *resource;
struct mlx5_flow_cb_ctx ctx = {
.error = error,
.data = ref,
};
entry = mlx5_list_register(priv->sh->port_id_action_list, &ctx);
if (!entry)
return -rte_errno;
resource = container_of(entry, typeof(*resource), entry);
dev_flow->dv.port_id_action = resource;
dev_flow->handle->rix_port_id_action = resource->idx;
return 0;
}
int
flow_dv_push_vlan_match_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry, void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_push_vlan_action_resource *ref = ctx->data;
struct mlx5_flow_dv_push_vlan_action_resource *res =
container_of(entry, typeof(*res), entry);
return ref->vlan_tag != res->vlan_tag || ref->ft_type != res->ft_type;
}
struct mlx5_list_entry *
flow_dv_push_vlan_create_cb(void *tool_ctx, void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_push_vlan_action_resource *ref = ctx->data;
struct mlx5_flow_dv_push_vlan_action_resource *resource;
struct mlx5dv_dr_domain *domain;
uint32_t idx;
int ret;
/* Register new port id action resource. */
resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_PUSH_VLAN], &idx);
if (!resource) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate push_vlan action memory");
return NULL;
}
*resource = *ref;
if (ref->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
domain = sh->fdb_domain;
else if (ref->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_RX)
domain = sh->rx_domain;
else
domain = sh->tx_domain;
ret = mlx5_flow_os_create_flow_action_push_vlan(domain, ref->vlan_tag,
&resource->action);
if (ret) {
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_PUSH_VLAN], idx);
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot create push vlan action");
return NULL;
}
resource->idx = idx;
return &resource->entry;
}
struct mlx5_list_entry *
flow_dv_push_vlan_clone_cb(void *tool_ctx,
struct mlx5_list_entry *entry __rte_unused,
void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_push_vlan_action_resource *resource;
uint32_t idx;
resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_PUSH_VLAN], &idx);
if (!resource) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate push_vlan action memory");
return NULL;
}
memcpy(resource, entry, sizeof(*resource));
resource->idx = idx;
return &resource->entry;
}
void
flow_dv_push_vlan_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_dv_push_vlan_action_resource *resource =
container_of(entry, typeof(*resource), entry);
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_PUSH_VLAN], resource->idx);
}
/**
* Find existing push vlan resource or create and register a new one.
*
* @param [in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in, out] ref
* Pointer to port ID action resource reference.
* @parm[in, out] dev_flow
* Pointer to the dev_flow.
* @param[out] error
* pointer to error structure.
*
* @return
* 0 on success otherwise -errno and errno is set.
*/
static int
flow_dv_push_vlan_action_resource_register
(struct rte_eth_dev *dev,
struct mlx5_flow_dv_push_vlan_action_resource *ref,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_dv_push_vlan_action_resource *resource;
struct mlx5_list_entry *entry;
struct mlx5_flow_cb_ctx ctx = {
.error = error,
.data = ref,
};
entry = mlx5_list_register(priv->sh->push_vlan_action_list, &ctx);
if (!entry)
return -rte_errno;
resource = container_of(entry, typeof(*resource), entry);
dev_flow->handle->dvh.rix_push_vlan = resource->idx;
dev_flow->dv.push_vlan_res = resource;
return 0;
}
/**
* Get the size of specific rte_flow_item_type hdr size
*
* @param[in] item_type
* Tested rte_flow_item_type.
*
* @return
* sizeof struct item_type, 0 if void or irrelevant.
*/
static size_t
flow_dv_get_item_hdr_len(const enum rte_flow_item_type item_type)
{
size_t retval;
switch (item_type) {
case RTE_FLOW_ITEM_TYPE_ETH:
retval = sizeof(struct rte_ether_hdr);
break;
case RTE_FLOW_ITEM_TYPE_VLAN:
retval = sizeof(struct rte_vlan_hdr);
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
retval = sizeof(struct rte_ipv4_hdr);
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
retval = sizeof(struct rte_ipv6_hdr);
break;
case RTE_FLOW_ITEM_TYPE_UDP:
retval = sizeof(struct rte_udp_hdr);
break;
case RTE_FLOW_ITEM_TYPE_TCP:
retval = sizeof(struct rte_tcp_hdr);
break;
case RTE_FLOW_ITEM_TYPE_VXLAN:
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
retval = sizeof(struct rte_vxlan_hdr);
break;
case RTE_FLOW_ITEM_TYPE_GRE:
case RTE_FLOW_ITEM_TYPE_NVGRE:
retval = sizeof(struct rte_gre_hdr);
break;
case RTE_FLOW_ITEM_TYPE_MPLS:
retval = sizeof(struct rte_mpls_hdr);
break;
case RTE_FLOW_ITEM_TYPE_VOID: /* Fall through. */
default:
retval = 0;
break;
}
return retval;
}
#define MLX5_ENCAP_IPV4_VERSION 0x40
#define MLX5_ENCAP_IPV4_IHL_MIN 0x05
#define MLX5_ENCAP_IPV4_TTL_DEF 0x40
#define MLX5_ENCAP_IPV6_VTC_FLOW 0x60000000
#define MLX5_ENCAP_IPV6_HOP_LIMIT 0xff
#define MLX5_ENCAP_VXLAN_FLAGS 0x08000000
#define MLX5_ENCAP_VXLAN_GPE_FLAGS 0x04
/**
* Convert the encap action data from list of rte_flow_item to raw buffer
*
* @param[in] items
* Pointer to rte_flow_item objects list.
* @param[out] buf
* Pointer to the output buffer.
* @param[out] size
* Pointer to the output buffer size.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_convert_encap_data(const struct rte_flow_item *items, uint8_t *buf,
size_t *size, struct rte_flow_error *error)
{
struct rte_ether_hdr *eth = NULL;
struct rte_vlan_hdr *vlan = NULL;
struct rte_ipv4_hdr *ipv4 = NULL;
struct rte_ipv6_hdr *ipv6 = NULL;
struct rte_udp_hdr *udp = NULL;
struct rte_vxlan_hdr *vxlan = NULL;
struct rte_vxlan_gpe_hdr *vxlan_gpe = NULL;
struct rte_gre_hdr *gre = NULL;
size_t len;
size_t temp_size = 0;
if (!items)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "invalid empty data");
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
len = flow_dv_get_item_hdr_len(items->type);
if (len + temp_size > MLX5_ENCAP_MAX_LEN)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"items total size is too big"
" for encap action");
rte_memcpy((void *)&buf[temp_size], items->spec, len);
switch (items->type) {
case RTE_FLOW_ITEM_TYPE_ETH:
eth = (struct rte_ether_hdr *)&buf[temp_size];
break;
case RTE_FLOW_ITEM_TYPE_VLAN:
vlan = (struct rte_vlan_hdr *)&buf[temp_size];
if (!eth)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"eth header not found");
if (!eth->ether_type)
eth->ether_type = RTE_BE16(RTE_ETHER_TYPE_VLAN);
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
ipv4 = (struct rte_ipv4_hdr *)&buf[temp_size];
if (!vlan && !eth)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"neither eth nor vlan"
" header found");
if (vlan && !vlan->eth_proto)
vlan->eth_proto = RTE_BE16(RTE_ETHER_TYPE_IPV4);
else if (eth && !eth->ether_type)
eth->ether_type = RTE_BE16(RTE_ETHER_TYPE_IPV4);
if (!ipv4->version_ihl)
ipv4->version_ihl = MLX5_ENCAP_IPV4_VERSION |
MLX5_ENCAP_IPV4_IHL_MIN;
if (!ipv4->time_to_live)
ipv4->time_to_live = MLX5_ENCAP_IPV4_TTL_DEF;
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
ipv6 = (struct rte_ipv6_hdr *)&buf[temp_size];
if (!vlan && !eth)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"neither eth nor vlan"
" header found");
if (vlan && !vlan->eth_proto)
vlan->eth_proto = RTE_BE16(RTE_ETHER_TYPE_IPV6);
else if (eth && !eth->ether_type)
eth->ether_type = RTE_BE16(RTE_ETHER_TYPE_IPV6);
if (!ipv6->vtc_flow)
ipv6->vtc_flow =
RTE_BE32(MLX5_ENCAP_IPV6_VTC_FLOW);
if (!ipv6->hop_limits)
ipv6->hop_limits = MLX5_ENCAP_IPV6_HOP_LIMIT;
break;
case RTE_FLOW_ITEM_TYPE_UDP:
udp = (struct rte_udp_hdr *)&buf[temp_size];
if (!ipv4 && !ipv6)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"ip header not found");
if (ipv4 && !ipv4->next_proto_id)
ipv4->next_proto_id = IPPROTO_UDP;
else if (ipv6 && !ipv6->proto)
ipv6->proto = IPPROTO_UDP;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN:
vxlan = (struct rte_vxlan_hdr *)&buf[temp_size];
if (!udp)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"udp header not found");
if (!udp->dst_port)
udp->dst_port = RTE_BE16(MLX5_UDP_PORT_VXLAN);
if (!vxlan->vx_flags)
vxlan->vx_flags =
RTE_BE32(MLX5_ENCAP_VXLAN_FLAGS);
break;
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
vxlan_gpe = (struct rte_vxlan_gpe_hdr *)&buf[temp_size];
if (!udp)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"udp header not found");
if (!vxlan_gpe->proto)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"next protocol not found");
if (!udp->dst_port)
udp->dst_port =
RTE_BE16(MLX5_UDP_PORT_VXLAN_GPE);
if (!vxlan_gpe->vx_flags)
vxlan_gpe->vx_flags =
MLX5_ENCAP_VXLAN_GPE_FLAGS;
break;
case RTE_FLOW_ITEM_TYPE_GRE:
case RTE_FLOW_ITEM_TYPE_NVGRE:
gre = (struct rte_gre_hdr *)&buf[temp_size];
if (!gre->proto)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"next protocol not found");
if (!ipv4 && !ipv6)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"ip header not found");
if (ipv4 && !ipv4->next_proto_id)
ipv4->next_proto_id = IPPROTO_GRE;
else if (ipv6 && !ipv6->proto)
ipv6->proto = IPPROTO_GRE;
break;
case RTE_FLOW_ITEM_TYPE_VOID:
break;
default:
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
(void *)items->type,
"unsupported item type");
break;
}
temp_size += len;
}
*size = temp_size;
return 0;
}
static int
flow_dv_zero_encap_udp_csum(void *data, struct rte_flow_error *error)
{
struct rte_ether_hdr *eth = NULL;
struct rte_vlan_hdr *vlan = NULL;
struct rte_ipv6_hdr *ipv6 = NULL;
struct rte_udp_hdr *udp = NULL;
char *next_hdr;
uint16_t proto;
eth = (struct rte_ether_hdr *)data;
next_hdr = (char *)(eth + 1);
proto = RTE_BE16(eth->ether_type);
/* VLAN skipping */
while (proto == RTE_ETHER_TYPE_VLAN || proto == RTE_ETHER_TYPE_QINQ) {
vlan = (struct rte_vlan_hdr *)next_hdr;
proto = RTE_BE16(vlan->eth_proto);
next_hdr += sizeof(struct rte_vlan_hdr);
}
/* HW calculates IPv4 csum. no need to proceed */
if (proto == RTE_ETHER_TYPE_IPV4)
return 0;
/* non IPv4/IPv6 header. not supported */
if (proto != RTE_ETHER_TYPE_IPV6) {
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "Cannot offload non IPv4/IPv6");
}
ipv6 = (struct rte_ipv6_hdr *)next_hdr;
/* ignore non UDP */
if (ipv6->proto != IPPROTO_UDP)
return 0;
udp = (struct rte_udp_hdr *)(ipv6 + 1);
udp->dgram_cksum = 0;
return 0;
}
/**
* Convert L2 encap action to DV specification.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] action
* Pointer to action structure.
* @param[in, out] dev_flow
* Pointer to the mlx5_flow.
* @param[in] transfer
* Mark if the flow is E-Switch flow.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_create_action_l2_encap(struct rte_eth_dev *dev,
const struct rte_flow_action *action,
struct mlx5_flow *dev_flow,
uint8_t transfer,
struct rte_flow_error *error)
{
const struct rte_flow_item *encap_data;
const struct rte_flow_action_raw_encap *raw_encap_data;
struct mlx5_flow_dv_encap_decap_resource res = {
.reformat_type =
MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL,
.ft_type = transfer ? MLX5DV_FLOW_TABLE_TYPE_FDB :
MLX5DV_FLOW_TABLE_TYPE_NIC_TX,
};
if (action->type == RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
raw_encap_data =
(const struct rte_flow_action_raw_encap *)action->conf;
res.size = raw_encap_data->size;
memcpy(res.buf, raw_encap_data->data, res.size);
} else {
if (action->type == RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP)
encap_data =
((const struct rte_flow_action_vxlan_encap *)
action->conf)->definition;
else
encap_data =
((const struct rte_flow_action_nvgre_encap *)
action->conf)->definition;
if (flow_dv_convert_encap_data(encap_data, res.buf,
&res.size, error))
return -rte_errno;
}
if (flow_dv_zero_encap_udp_csum(res.buf, error))
return -rte_errno;
if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "can't create L2 encap action");
return 0;
}
/**
* Convert L2 decap action to DV specification.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in, out] dev_flow
* Pointer to the mlx5_flow.
* @param[in] transfer
* Mark if the flow is E-Switch flow.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_create_action_l2_decap(struct rte_eth_dev *dev,
struct mlx5_flow *dev_flow,
uint8_t transfer,
struct rte_flow_error *error)
{
struct mlx5_flow_dv_encap_decap_resource res = {
.size = 0,
.reformat_type =
MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2,
.ft_type = transfer ? MLX5DV_FLOW_TABLE_TYPE_FDB :
MLX5DV_FLOW_TABLE_TYPE_NIC_RX,
};
if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "can't create L2 decap action");
return 0;
}
/**
* Convert raw decap/encap (L3 tunnel) action to DV specification.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] action
* Pointer to action structure.
* @param[in, out] dev_flow
* Pointer to the mlx5_flow.
* @param[in] attr
* Pointer to the flow attributes.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_create_action_raw_encap(struct rte_eth_dev *dev,
const struct rte_flow_action *action,
struct mlx5_flow *dev_flow,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
const struct rte_flow_action_raw_encap *encap_data;
struct mlx5_flow_dv_encap_decap_resource res;
memset(&res, 0, sizeof(res));
encap_data = (const struct rte_flow_action_raw_encap *)action->conf;
res.size = encap_data->size;
memcpy(res.buf, encap_data->data, res.size);
res.reformat_type = res.size < MLX5_ENCAPSULATION_DECISION_SIZE ?
MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2 :
MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL;
if (attr->transfer)
res.ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
else
res.ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
if (flow_dv_encap_decap_resource_register(dev, &res, dev_flow, error))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "can't create encap action");
return 0;
}
/**
* Create action push VLAN.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] attr
* Pointer to the flow attributes.
* @param[in] vlan
* Pointer to the vlan to push to the Ethernet header.
* @param[in, out] dev_flow
* Pointer to the mlx5_flow.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_create_action_push_vlan(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_vlan_hdr *vlan,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_flow_dv_push_vlan_action_resource res;
memset(&res, 0, sizeof(res));
res.vlan_tag =
rte_cpu_to_be_32(((uint32_t)vlan->eth_proto) << 16 |
vlan->vlan_tci);
if (attr->transfer)
res.ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
else
res.ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
return flow_dv_push_vlan_action_resource_register
(dev, &res, dev_flow, error);
}
/**
* Validate the modify-header actions.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_hdr(const uint64_t action_flags,
const struct rte_flow_action *action,
struct rte_flow_error *error)
{
if (action->type != RTE_FLOW_ACTION_TYPE_DEC_TTL && !action->conf)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
NULL, "action configuration not set");
if (action_flags & MLX5_FLOW_ACTION_ENCAP)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"can't have encap action before"
" modify action");
return 0;
}
/**
* Validate the modify-header MAC address actions.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[in] item_flags
* Holds the items detected.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_mac(const uint64_t action_flags,
const struct rte_flow_action *action,
const uint64_t item_flags,
struct rte_flow_error *error)
{
int ret = 0;
ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
if (!ret) {
if (!(item_flags & MLX5_FLOW_LAYER_L2))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"no L2 item in pattern");
}
return ret;
}
/**
* Validate the modify-header IPv4 address actions.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[in] item_flags
* Holds the items detected.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_ipv4(const uint64_t action_flags,
const struct rte_flow_action *action,
const uint64_t item_flags,
struct rte_flow_error *error)
{
int ret = 0;
uint64_t layer;
ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
if (!ret) {
layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
MLX5_FLOW_LAYER_INNER_L3_IPV4 :
MLX5_FLOW_LAYER_OUTER_L3_IPV4;
if (!(item_flags & layer))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"no ipv4 item in pattern");
}
return ret;
}
/**
* Validate the modify-header IPv6 address actions.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[in] item_flags
* Holds the items detected.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_ipv6(const uint64_t action_flags,
const struct rte_flow_action *action,
const uint64_t item_flags,
struct rte_flow_error *error)
{
int ret = 0;
uint64_t layer;
ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
if (!ret) {
layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
MLX5_FLOW_LAYER_INNER_L3_IPV6 :
MLX5_FLOW_LAYER_OUTER_L3_IPV6;
if (!(item_flags & layer))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"no ipv6 item in pattern");
}
return ret;
}
/**
* Validate the modify-header TP actions.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[in] item_flags
* Holds the items detected.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_tp(const uint64_t action_flags,
const struct rte_flow_action *action,
const uint64_t item_flags,
struct rte_flow_error *error)
{
int ret = 0;
uint64_t layer;
ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
if (!ret) {
layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
MLX5_FLOW_LAYER_INNER_L4 :
MLX5_FLOW_LAYER_OUTER_L4;
if (!(item_flags & layer))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "no transport layer "
"in pattern");
}
return ret;
}
/**
* Validate the modify-header actions of increment/decrement
* TCP Sequence-number.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[in] item_flags
* Holds the items detected.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_tcp_seq(const uint64_t action_flags,
const struct rte_flow_action *action,
const uint64_t item_flags,
struct rte_flow_error *error)
{
int ret = 0;
uint64_t layer;
ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
if (!ret) {
layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
MLX5_FLOW_LAYER_INNER_L4_TCP :
MLX5_FLOW_LAYER_OUTER_L4_TCP;
if (!(item_flags & layer))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "no TCP item in"
" pattern");
if ((action->type == RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ &&
(action_flags & MLX5_FLOW_ACTION_DEC_TCP_SEQ)) ||
(action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ &&
(action_flags & MLX5_FLOW_ACTION_INC_TCP_SEQ)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"cannot decrease and increase"
" TCP sequence number"
" at the same time");
}
return ret;
}
/**
* Validate the modify-header actions of increment/decrement
* TCP Acknowledgment number.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[in] item_flags
* Holds the items detected.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_tcp_ack(const uint64_t action_flags,
const struct rte_flow_action *action,
const uint64_t item_flags,
struct rte_flow_error *error)
{
int ret = 0;
uint64_t layer;
ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
if (!ret) {
layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
MLX5_FLOW_LAYER_INNER_L4_TCP :
MLX5_FLOW_LAYER_OUTER_L4_TCP;
if (!(item_flags & layer))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "no TCP item in"
" pattern");
if ((action->type == RTE_FLOW_ACTION_TYPE_INC_TCP_ACK &&
(action_flags & MLX5_FLOW_ACTION_DEC_TCP_ACK)) ||
(action->type == RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK &&
(action_flags & MLX5_FLOW_ACTION_INC_TCP_ACK)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"cannot decrease and increase"
" TCP acknowledgment number"
" at the same time");
}
return ret;
}
/**
* Validate the modify-header TTL actions.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[in] item_flags
* Holds the items detected.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_ttl(const uint64_t action_flags,
const struct rte_flow_action *action,
const uint64_t item_flags,
struct rte_flow_error *error)
{
int ret = 0;
uint64_t layer;
ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
if (!ret) {
layer = (action_flags & MLX5_FLOW_ACTION_DECAP) ?
MLX5_FLOW_LAYER_INNER_L3 :
MLX5_FLOW_LAYER_OUTER_L3;
if (!(item_flags & layer))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"no IP protocol in pattern");
}
return ret;
}
/**
* Validate the generic modify field actions.
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[in] attr
* Pointer to the flow attributes.
* @param[out] error
* Pointer to error structure.
*
* @return
* Number of header fields to modify (0 or more) on success,
* a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_field(struct rte_eth_dev *dev,
const uint64_t action_flags,
const struct rte_flow_action *action,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
int ret = 0;
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *config = &priv->config;
const struct rte_flow_action_modify_field *action_modify_field =
action->conf;
uint32_t dst_width = mlx5_flow_item_field_width(dev,
action_modify_field->dst.field,
-1, attr, error);
uint32_t src_width = mlx5_flow_item_field_width(dev,
action_modify_field->src.field,
dst_width, attr, error);
ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
if (ret)
return ret;
if (action_modify_field->width == 0)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"no bits are requested to be modified");
else if (action_modify_field->width > dst_width ||
action_modify_field->width > src_width)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"cannot modify more bits than"
" the width of a field");
if (action_modify_field->dst.field != RTE_FLOW_FIELD_VALUE &&
action_modify_field->dst.field != RTE_FLOW_FIELD_POINTER) {
if ((action_modify_field->dst.offset +
action_modify_field->width > dst_width) ||
(action_modify_field->dst.offset % 32))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"destination offset is too big"
" or not aligned to 4 bytes");
if (action_modify_field->dst.level &&
action_modify_field->dst.field != RTE_FLOW_FIELD_TAG)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"inner header fields modification"
" is not supported");
}
if (action_modify_field->src.field != RTE_FLOW_FIELD_VALUE &&
action_modify_field->src.field != RTE_FLOW_FIELD_POINTER) {
if (!attr->transfer && !attr->group)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"modify field action is not"
" supported for group 0");
if ((action_modify_field->src.offset +
action_modify_field->width > src_width) ||
(action_modify_field->src.offset % 32))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"source offset is too big"
" or not aligned to 4 bytes");
if (action_modify_field->src.level &&
action_modify_field->src.field != RTE_FLOW_FIELD_TAG)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"inner header fields modification"
" is not supported");
}
if ((action_modify_field->dst.field ==
action_modify_field->src.field) &&
(action_modify_field->dst.level ==
action_modify_field->src.level))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"source and destination fields"
" cannot be the same");
if (action_modify_field->dst.field == RTE_FLOW_FIELD_VALUE ||
action_modify_field->dst.field == RTE_FLOW_FIELD_POINTER ||
action_modify_field->dst.field == RTE_FLOW_FIELD_MARK)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"mark, immediate value or a pointer to it"
" cannot be used as a destination");
if (action_modify_field->dst.field == RTE_FLOW_FIELD_START ||
action_modify_field->src.field == RTE_FLOW_FIELD_START)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"modifications of an arbitrary"
" place in a packet is not supported");
if (action_modify_field->dst.field == RTE_FLOW_FIELD_VLAN_TYPE ||
action_modify_field->src.field == RTE_FLOW_FIELD_VLAN_TYPE)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"modifications of the 802.1Q Tag"
" Identifier is not supported");
if (action_modify_field->dst.field == RTE_FLOW_FIELD_VXLAN_VNI ||
action_modify_field->src.field == RTE_FLOW_FIELD_VXLAN_VNI)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"modifications of the VXLAN Network"
" Identifier is not supported");
if (action_modify_field->dst.field == RTE_FLOW_FIELD_GENEVE_VNI ||
action_modify_field->src.field == RTE_FLOW_FIELD_GENEVE_VNI)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"modifications of the GENEVE Network"
" Identifier is not supported");
if (action_modify_field->dst.field == RTE_FLOW_FIELD_MARK ||
action_modify_field->src.field == RTE_FLOW_FIELD_MARK)
if (config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
!mlx5_flow_ext_mreg_supported(dev))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"cannot modify mark in legacy mode"
" or without extensive registers");
if (action_modify_field->dst.field == RTE_FLOW_FIELD_META ||
action_modify_field->src.field == RTE_FLOW_FIELD_META) {
if (config->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
!mlx5_flow_ext_mreg_supported(dev))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"cannot modify meta without"
" extensive registers support");
ret = flow_dv_get_metadata_reg(dev, attr, error);
if (ret < 0 || ret == REG_NON)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"cannot modify meta without"
" extensive registers available");
}
if (action_modify_field->operation != RTE_FLOW_MODIFY_SET)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"add and sub operations"
" are not supported");
return (action_modify_field->width / 32) +
!!(action_modify_field->width % 32);
}
/**
* Validate jump action.
*
* @param[in] action
* Pointer to the jump action.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] attributes
* Pointer to flow attributes
* @param[in] external
* Action belongs to flow rule created by request external to PMD.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_jump(struct rte_eth_dev *dev,
const struct mlx5_flow_tunnel *tunnel,
const struct rte_flow_action *action,
uint64_t action_flags,
const struct rte_flow_attr *attributes,
bool external, struct rte_flow_error *error)
{
uint32_t target_group, table = 0;
int ret = 0;
struct flow_grp_info grp_info = {
.external = !!external,
.transfer = !!attributes->transfer,
.fdb_def_rule = 1,
.std_tbl_fix = 0
};
if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
MLX5_FLOW_FATE_ESWITCH_ACTIONS))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"can't have 2 fate actions in"
" same flow");
if (!action->conf)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
NULL, "action configuration not set");
target_group =
((const struct rte_flow_action_jump *)action->conf)->group;
ret = mlx5_flow_group_to_table(dev, tunnel, target_group, &table,
&grp_info, error);
if (ret)
return ret;
if (attributes->group == target_group &&
!(action_flags & (MLX5_FLOW_ACTION_TUNNEL_SET |
MLX5_FLOW_ACTION_TUNNEL_MATCH)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"target group must be other than"
" the current flow group");
if (table == 0)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
NULL, "root table shouldn't be destination");
return 0;
}
/*
* Validate action PORT_ID / REPRESENTED_PORT.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] action_flags
* Bit-fields that holds the actions detected until now.
* @param[in] action
* PORT_ID / REPRESENTED_PORT action structure.
* @param[in] attr
* Attributes of flow that includes this action.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_port_id(struct rte_eth_dev *dev,
uint64_t action_flags,
const struct rte_flow_action *action,
const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
const struct rte_flow_action_port_id *port_id;
const struct rte_flow_action_ethdev *ethdev;
struct mlx5_priv *act_priv;
struct mlx5_priv *dev_priv;
uint16_t port;
if (!attr->transfer)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"port action is valid in transfer"
" mode only");
if (!action || !action->conf)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION_CONF,
NULL,
"port action parameters must be"
" specified");
if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
MLX5_FLOW_FATE_ESWITCH_ACTIONS))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"can have only one fate actions in"
" a flow");
dev_priv = mlx5_dev_to_eswitch_info(dev);
if (!dev_priv)
return rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"failed to obtain E-Switch info");
switch (action->type) {
case RTE_FLOW_ACTION_TYPE_PORT_ID:
port_id = action->conf;
port = port_id->original ? dev->data->port_id : port_id->id;
break;
case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT:
ethdev = action->conf;
port = ethdev->port_id;
break;
default:
MLX5_ASSERT(false);
return rte_flow_error_set
(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"unknown E-Switch action");
}
act_priv = mlx5_port_to_eswitch_info(port, false);
if (!act_priv)
return rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION_CONF, action->conf,
"failed to obtain E-Switch port id for port");
if (act_priv->domain_id != dev_priv->domain_id)
return rte_flow_error_set
(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"port does not belong to"
" E-Switch being configured");
return 0;
}
/**
* Get the maximum number of modify header actions.
*
* @param dev
* Pointer to rte_eth_dev structure.
* @param root
* Whether action is on root table.
*
* @return
* Max number of modify header actions device can support.
*/
static inline unsigned int
flow_dv_modify_hdr_action_max(struct rte_eth_dev *dev __rte_unused,
bool root)
{
/*
* There's no way to directly query the max capacity from FW.
* The maximal value on root table should be assumed to be supported.
*/
if (!root)
return MLX5_MAX_MODIFY_NUM;
else
return MLX5_ROOT_TBL_MODIFY_NUM;
}
/**
* Validate the meter action.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] action_flags
* Bit-fields that holds the actions detected until now.
* @param[in] item_flags
* Holds the items detected.
* @param[in] action
* Pointer to the meter action.
* @param[in] attr
* Attributes of flow that includes this action.
* @param[in] port_id_item
* Pointer to item indicating port id.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
mlx5_flow_validate_action_meter(struct rte_eth_dev *dev,
uint64_t action_flags, uint64_t item_flags,
const struct rte_flow_action *action,
const struct rte_flow_attr *attr,
const struct rte_flow_item *port_id_item,
bool *def_policy,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_action_meter *am = action->conf;
struct mlx5_flow_meter_info *fm;
struct mlx5_flow_meter_policy *mtr_policy;
struct mlx5_flow_mtr_mng *mtrmng = priv->sh->mtrmng;
if (!am)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"meter action conf is NULL");
if (action_flags & MLX5_FLOW_ACTION_METER)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"meter chaining not support");
if (action_flags & MLX5_FLOW_ACTION_JUMP)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"meter with jump not support");
if (!priv->mtr_en)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"meter action not supported");
fm = mlx5_flow_meter_find(priv, am->mtr_id, NULL);
if (!fm)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Meter not found");
/* aso meter can always be shared by different domains */
if (fm->ref_cnt && !priv->sh->meter_aso_en &&
!(fm->transfer == attr->transfer ||
(!fm->ingress && !attr->ingress && attr->egress) ||
(!fm->egress && !attr->egress && attr->ingress)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Flow attributes domain are either invalid "
"or have a domain conflict with current "
"meter attributes");
if (fm->def_policy) {
if (!((attr->transfer &&
mtrmng->def_policy[MLX5_MTR_DOMAIN_TRANSFER]) ||
(attr->egress &&
mtrmng->def_policy[MLX5_MTR_DOMAIN_EGRESS]) ||
(attr->ingress &&
mtrmng->def_policy[MLX5_MTR_DOMAIN_INGRESS])))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Flow attributes domain "
"have a conflict with current "
"meter domain attributes");
*def_policy = true;
} else {
mtr_policy = mlx5_flow_meter_policy_find(dev,
fm->policy_id, NULL);
if (!mtr_policy)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Invalid policy id for meter ");
if (!((attr->transfer && mtr_policy->transfer) ||
(attr->egress && mtr_policy->egress) ||
(attr->ingress && mtr_policy->ingress)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Flow attributes domain "
"have a conflict with current "
"meter domain attributes");
if (attr->transfer && mtr_policy->dev) {
/**
* When policy has fate action of port_id,
* the flow should have the same src port as policy.
*/
struct mlx5_priv *policy_port_priv =
mtr_policy->dev->data->dev_private;
int32_t flow_src_port = priv->representor_id;
if (port_id_item) {
const struct rte_flow_item_port_id *spec =
port_id_item->spec;
struct mlx5_priv *port_priv =
mlx5_port_to_eswitch_info(spec->id,
false);
if (!port_priv)
return rte_flow_error_set(error,
rte_errno,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
spec,
"Failed to get port info.");
flow_src_port = port_priv->representor_id;
}
if (flow_src_port != policy_port_priv->representor_id)
return rte_flow_error_set(error,
rte_errno,
RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
NULL,
"Flow and meter policy "
"have different src port.");
} else if (mtr_policy->is_rss) {
struct mlx5_flow_meter_policy *fp;
struct mlx5_meter_policy_action_container *acg;
struct mlx5_meter_policy_action_container *acy;
const struct rte_flow_action *rss_act;
int ret;
fp = mlx5_flow_meter_hierarchy_get_final_policy(dev,
mtr_policy);
if (fp == NULL)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Unable to get the final "
"policy in the hierarchy");
acg = &fp->act_cnt[RTE_COLOR_GREEN];
acy = &fp->act_cnt[RTE_COLOR_YELLOW];
MLX5_ASSERT(acg->fate_action ==
MLX5_FLOW_FATE_SHARED_RSS ||
acy->fate_action ==
MLX5_FLOW_FATE_SHARED_RSS);
if (acg->fate_action == MLX5_FLOW_FATE_SHARED_RSS)
rss_act = acg->rss;
else
rss_act = acy->rss;
ret = mlx5_flow_validate_action_rss(rss_act,
action_flags, dev, attr,
item_flags, error);
if (ret)
return ret;
}
*def_policy = false;
}
return 0;
}
/**
* Validate the age action.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the age action.
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_age(uint64_t action_flags,
const struct rte_flow_action *action,
struct rte_eth_dev *dev,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_action_age *age = action->conf;
if (!priv->sh->devx || (priv->sh->cmng.counter_fallback &&
!priv->sh->aso_age_mng))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"age action not supported");
if (!(action->conf))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"configuration cannot be null");
if (!(age->timeout))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"invalid timeout value 0");
if (action_flags & MLX5_FLOW_ACTION_AGE)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"duplicate age actions set");
return 0;
}
/**
* Validate the modify-header IPv4 DSCP actions.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[in] item_flags
* Holds the items detected.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_ipv4_dscp(const uint64_t action_flags,
const struct rte_flow_action *action,
const uint64_t item_flags,
struct rte_flow_error *error)
{
int ret = 0;
ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
if (!ret) {
if (!(item_flags & MLX5_FLOW_LAYER_L3_IPV4))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"no ipv4 item in pattern");
}
return ret;
}
/**
* Validate the modify-header IPv6 DSCP actions.
*
* @param[in] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the modify action.
* @param[in] item_flags
* Holds the items detected.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_modify_ipv6_dscp(const uint64_t action_flags,
const struct rte_flow_action *action,
const uint64_t item_flags,
struct rte_flow_error *error)
{
int ret = 0;
ret = flow_dv_validate_action_modify_hdr(action_flags, action, error);
if (!ret) {
if (!(item_flags & MLX5_FLOW_LAYER_L3_IPV6))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"no ipv6 item in pattern");
}
return ret;
}
int
flow_dv_modify_match_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry, void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_modify_hdr_resource *ref = ctx->data;
struct mlx5_flow_dv_modify_hdr_resource *resource =
container_of(entry, typeof(*resource), entry);
uint32_t key_len = sizeof(*ref) - offsetof(typeof(*ref), ft_type);
key_len += ref->actions_num * sizeof(ref->actions[0]);
return ref->actions_num != resource->actions_num ||
memcmp(&ref->ft_type, &resource->ft_type, key_len);
}
static struct mlx5_indexed_pool *
flow_dv_modify_ipool_get(struct mlx5_dev_ctx_shared *sh, uint8_t index)
{
struct mlx5_indexed_pool *ipool = __atomic_load_n
(&sh->mdh_ipools[index], __ATOMIC_SEQ_CST);
if (!ipool) {
struct mlx5_indexed_pool *expected = NULL;
struct mlx5_indexed_pool_config cfg =
(struct mlx5_indexed_pool_config) {
.size = sizeof(struct mlx5_flow_dv_modify_hdr_resource) +
(index + 1) *
sizeof(struct mlx5_modification_cmd),
.trunk_size = 64,
.grow_trunk = 3,
.grow_shift = 2,
.need_lock = 1,
.release_mem_en = !!sh->reclaim_mode,
.per_core_cache = sh->reclaim_mode ? 0 : (1 << 16),
.malloc = mlx5_malloc,
.free = mlx5_free,
.type = "mlx5_modify_action_resource",
};
cfg.size = RTE_ALIGN(cfg.size, sizeof(ipool));
ipool = mlx5_ipool_create(&cfg);
if (!ipool)
return NULL;
if (!__atomic_compare_exchange_n(&sh->mdh_ipools[index],
&expected, ipool, false,
__ATOMIC_SEQ_CST,
__ATOMIC_SEQ_CST)) {
mlx5_ipool_destroy(ipool);
ipool = __atomic_load_n(&sh->mdh_ipools[index],
__ATOMIC_SEQ_CST);
}
}
return ipool;
}
struct mlx5_list_entry *
flow_dv_modify_create_cb(void *tool_ctx, void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5dv_dr_domain *ns;
struct mlx5_flow_dv_modify_hdr_resource *entry;
struct mlx5_flow_dv_modify_hdr_resource *ref = ctx->data;
struct mlx5_indexed_pool *ipool = flow_dv_modify_ipool_get(sh,
ref->actions_num - 1);
int ret;
uint32_t data_len = ref->actions_num * sizeof(ref->actions[0]);
uint32_t key_len = sizeof(*ref) - offsetof(typeof(*ref), ft_type);
uint32_t idx;
if (unlikely(!ipool)) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot allocate modify ipool");
return NULL;
}
entry = mlx5_ipool_zmalloc(ipool, &idx);
if (!entry) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
return NULL;
}
rte_memcpy(&entry->ft_type,
RTE_PTR_ADD(ref, offsetof(typeof(*ref), ft_type)),
key_len + data_len);
if (entry->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
ns = sh->fdb_domain;
else if (entry->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_TX)
ns = sh->tx_domain;
else
ns = sh->rx_domain;
ret = mlx5_flow_os_create_flow_action_modify_header
(sh->cdev->ctx, ns, entry,
data_len, &entry->action);
if (ret) {
mlx5_ipool_free(sh->mdh_ipools[ref->actions_num - 1], idx);
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create modification action");
return NULL;
}
entry->idx = idx;
return &entry->entry;
}
struct mlx5_list_entry *
flow_dv_modify_clone_cb(void *tool_ctx, struct mlx5_list_entry *oentry,
void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_modify_hdr_resource *entry;
struct mlx5_flow_dv_modify_hdr_resource *ref = ctx->data;
uint32_t data_len = ref->actions_num * sizeof(ref->actions[0]);
uint32_t idx;
entry = mlx5_ipool_malloc(sh->mdh_ipools[ref->actions_num - 1],
&idx);
if (!entry) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
return NULL;
}
memcpy(entry, oentry, sizeof(*entry) + data_len);
entry->idx = idx;
return &entry->entry;
}
void
flow_dv_modify_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_dv_modify_hdr_resource *res =
container_of(entry, typeof(*res), entry);
mlx5_ipool_free(sh->mdh_ipools[res->actions_num - 1], res->idx);
}
/**
* Validate the sample action.
*
* @param[in, out] action_flags
* Holds the actions detected until now.
* @param[in] action
* Pointer to the sample action.
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] attr
* Attributes of flow that includes this action.
* @param[in] item_flags
* Holds the items detected.
* @param[in] rss
* Pointer to the RSS action.
* @param[out] sample_rss
* Pointer to the RSS action in sample action list.
* @param[out] count
* Pointer to the COUNT action in sample action list.
* @param[out] fdb_mirror_limit
* Pointer to the FDB mirror limitation flag.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_action_sample(uint64_t *action_flags,
const struct rte_flow_action *action,
struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
uint64_t item_flags,
const struct rte_flow_action_rss *rss,
const struct rte_flow_action_rss **sample_rss,
const struct rte_flow_action_count **count,
int *fdb_mirror_limit,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *dev_conf = &priv->config;
const struct rte_flow_action_sample *sample = action->conf;
const struct rte_flow_action *act;
uint64_t sub_action_flags = 0;
uint16_t queue_index = 0xFFFF;
int actions_n = 0;
int ret;
if (!sample)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"configuration cannot be NULL");
if (sample->ratio == 0)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"ratio value starts from 1");
if (!priv->sh->devx || (sample->ratio > 0 && !priv->sampler_en))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"sample action not supported");
if (*action_flags & MLX5_FLOW_ACTION_SAMPLE)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Multiple sample actions not "
"supported");
if (*action_flags & MLX5_FLOW_ACTION_METER)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"wrong action order, meter should "
"be after sample action");
if (*action_flags & MLX5_FLOW_ACTION_JUMP)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"wrong action order, jump should "
"be after sample action");
if (*action_flags & MLX5_FLOW_ACTION_CT)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"Sample after CT not supported");
act = sample->actions;
for (; act->type != RTE_FLOW_ACTION_TYPE_END; act++) {
if (actions_n == MLX5_DV_MAX_NUMBER_OF_ACTIONS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
act, "too many actions");
switch (act->type) {
case RTE_FLOW_ACTION_TYPE_QUEUE:
ret = mlx5_flow_validate_action_queue(act,
sub_action_flags,
dev,
attr, error);
if (ret < 0)
return ret;
queue_index = ((const struct rte_flow_action_queue *)
(act->conf))->index;
sub_action_flags |= MLX5_FLOW_ACTION_QUEUE;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_RSS:
*sample_rss = act->conf;
ret = mlx5_flow_validate_action_rss(act,
sub_action_flags,
dev, attr,
item_flags,
error);
if (ret < 0)
return ret;
if (rss && *sample_rss &&
((*sample_rss)->level != rss->level ||
(*sample_rss)->types != rss->types))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"Can't use the different RSS types "
"or level in the same flow");
if (*sample_rss != NULL && (*sample_rss)->queue_num)
queue_index = (*sample_rss)->queue[0];
sub_action_flags |= MLX5_FLOW_ACTION_RSS;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_MARK:
ret = flow_dv_validate_action_mark(dev, act,
sub_action_flags,
attr, error);
if (ret < 0)
return ret;
if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY)
sub_action_flags |= MLX5_FLOW_ACTION_MARK |
MLX5_FLOW_ACTION_MARK_EXT;
else
sub_action_flags |= MLX5_FLOW_ACTION_MARK;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_COUNT:
ret = flow_dv_validate_action_count
(dev, false, *action_flags | sub_action_flags,
error);
if (ret < 0)
return ret;
*count = act->conf;
sub_action_flags |= MLX5_FLOW_ACTION_COUNT;
*action_flags |= MLX5_FLOW_ACTION_COUNT;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_PORT_ID:
case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT:
ret = flow_dv_validate_action_port_id(dev,
sub_action_flags,
act,
attr,
error);
if (ret)
return ret;
sub_action_flags |= MLX5_FLOW_ACTION_PORT_ID;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
ret = flow_dv_validate_action_raw_encap_decap
(dev, NULL, act->conf, attr, &sub_action_flags,
&actions_n, action, item_flags, error);
if (ret < 0)
return ret;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
ret = flow_dv_validate_action_l2_encap(dev,
sub_action_flags,
act, attr,
error);
if (ret < 0)
return ret;
sub_action_flags |= MLX5_FLOW_ACTION_ENCAP;
++actions_n;
break;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"Doesn't support optional "
"action");
}
}
if (attr->ingress && !attr->transfer) {
if (!(sub_action_flags & (MLX5_FLOW_ACTION_QUEUE |
MLX5_FLOW_ACTION_RSS)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"Ingress must has a dest "
"QUEUE for Sample");
} else if (attr->egress && !attr->transfer) {
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"Sample Only support Ingress "
"or E-Switch");
} else if (sample->actions->type != RTE_FLOW_ACTION_TYPE_END) {
MLX5_ASSERT(attr->transfer);
if (sample->ratio > 1)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"E-Switch doesn't support "
"any optional action "
"for sampling");
if (sub_action_flags & MLX5_FLOW_ACTION_QUEUE)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"unsupported action QUEUE");
if (sub_action_flags & MLX5_FLOW_ACTION_RSS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"unsupported action QUEUE");
if (!(sub_action_flags & MLX5_FLOW_ACTION_PORT_ID))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"E-Switch must has a dest "
"port for mirroring");
if (!priv->config.hca_attr.reg_c_preserve &&
priv->representor_id != UINT16_MAX)
*fdb_mirror_limit = 1;
}
/* Continue validation for Xcap actions.*/
if ((sub_action_flags & MLX5_FLOW_XCAP_ACTIONS) &&
(queue_index == 0xFFFF ||
mlx5_rxq_get_type(dev, queue_index) != MLX5_RXQ_TYPE_HAIRPIN)) {
if ((sub_action_flags & MLX5_FLOW_XCAP_ACTIONS) ==
MLX5_FLOW_XCAP_ACTIONS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "encap and decap "
"combination aren't "
"supported");
if (!attr->transfer && attr->ingress && (sub_action_flags &
MLX5_FLOW_ACTION_ENCAP))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "encap is not supported"
" for ingress traffic");
}
return 0;
}
/**
* Find existing modify-header resource or create and register a new one.
*
* @param dev[in, out]
* Pointer to rte_eth_dev structure.
* @param[in, out] resource
* Pointer to modify-header resource.
* @parm[in, out] dev_flow
* Pointer to the dev_flow.
* @param[out] error
* pointer to error structure.
*
* @return
* 0 on success otherwise -errno and errno is set.
*/
static int
flow_dv_modify_hdr_resource_register
(struct rte_eth_dev *dev,
struct mlx5_flow_dv_modify_hdr_resource *resource,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
uint32_t key_len = sizeof(*resource) -
offsetof(typeof(*resource), ft_type) +
resource->actions_num * sizeof(resource->actions[0]);
struct mlx5_list_entry *entry;
struct mlx5_flow_cb_ctx ctx = {
.error = error,
.data = resource,
};
struct mlx5_hlist *modify_cmds;
uint64_t key64;
modify_cmds = flow_dv_hlist_prepare(sh, &sh->modify_cmds,
"hdr_modify",
MLX5_FLOW_HDR_MODIFY_HTABLE_SZ,
true, false, sh,
flow_dv_modify_create_cb,
flow_dv_modify_match_cb,
flow_dv_modify_remove_cb,
flow_dv_modify_clone_cb,
flow_dv_modify_clone_free_cb);
if (unlikely(!modify_cmds))
return -rte_errno;
resource->root = !dev_flow->dv.group;
if (resource->actions_num > flow_dv_modify_hdr_action_max(dev,
resource->root))
return rte_flow_error_set(error, EOVERFLOW,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"too many modify header items");
key64 = __rte_raw_cksum(&resource->ft_type, key_len, 0);
entry = mlx5_hlist_register(modify_cmds, key64, &ctx);
if (!entry)
return -rte_errno;
resource = container_of(entry, typeof(*resource), entry);
dev_flow->handle->dvh.modify_hdr = resource;
return 0;
}
/**
* Get DV flow counter by index.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] idx
* mlx5 flow counter index in the container.
* @param[out] ppool
* mlx5 flow counter pool in the container.
*
* @return
* Pointer to the counter, NULL otherwise.
*/
static struct mlx5_flow_counter *
flow_dv_counter_get_by_idx(struct rte_eth_dev *dev,
uint32_t idx,
struct mlx5_flow_counter_pool **ppool)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_counter_mng *cmng = &priv->sh->cmng;
struct mlx5_flow_counter_pool *pool;
/* Decrease to original index and clear shared bit. */
idx = (idx - 1) & (MLX5_CNT_SHARED_OFFSET - 1);
MLX5_ASSERT(idx / MLX5_COUNTERS_PER_POOL < cmng->n);
pool = cmng->pools[idx / MLX5_COUNTERS_PER_POOL];
MLX5_ASSERT(pool);
if (ppool)
*ppool = pool;
return MLX5_POOL_GET_CNT(pool, idx % MLX5_COUNTERS_PER_POOL);
}
/**
* Check the devx counter belongs to the pool.
*
* @param[in] pool
* Pointer to the counter pool.
* @param[in] id
* The counter devx ID.
*
* @return
* True if counter belongs to the pool, false otherwise.
*/
static bool
flow_dv_is_counter_in_pool(struct mlx5_flow_counter_pool *pool, int id)
{
int base = (pool->min_dcs->id / MLX5_COUNTERS_PER_POOL) *
MLX5_COUNTERS_PER_POOL;
if (id >= base && id < base + MLX5_COUNTERS_PER_POOL)
return true;
return false;
}
/**
* Get a pool by devx counter ID.
*
* @param[in] cmng
* Pointer to the counter management.
* @param[in] id
* The counter devx ID.
*
* @return
* The counter pool pointer if exists, NULL otherwise,
*/
static struct mlx5_flow_counter_pool *
flow_dv_find_pool_by_id(struct mlx5_flow_counter_mng *cmng, int id)
{
uint32_t i;
struct mlx5_flow_counter_pool *pool = NULL;
rte_spinlock_lock(&cmng->pool_update_sl);
/* Check last used pool. */
if (cmng->last_pool_idx != POOL_IDX_INVALID &&
flow_dv_is_counter_in_pool(cmng->pools[cmng->last_pool_idx], id)) {
pool = cmng->pools[cmng->last_pool_idx];
goto out;
}
/* ID out of range means no suitable pool in the container. */
if (id > cmng->max_id || id < cmng->min_id)
goto out;
/*
* Find the pool from the end of the container, since mostly counter
* ID is sequence increasing, and the last pool should be the needed
* one.
*/
i = cmng->n_valid;
while (i--) {
struct mlx5_flow_counter_pool *pool_tmp = cmng->pools[i];
if (flow_dv_is_counter_in_pool(pool_tmp, id)) {
pool = pool_tmp;
break;
}
}
out:
rte_spinlock_unlock(&cmng->pool_update_sl);
return pool;
}
/**
* Resize a counter container.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
*
* @return
* 0 on success, otherwise negative errno value and rte_errno is set.
*/
static int
flow_dv_container_resize(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_counter_mng *cmng = &priv->sh->cmng;
void *old_pools = cmng->pools;
uint32_t resize = cmng->n + MLX5_CNT_CONTAINER_RESIZE;
uint32_t mem_size = sizeof(struct mlx5_flow_counter_pool *) * resize;
void *pools = mlx5_malloc(MLX5_MEM_ZERO, mem_size, 0, SOCKET_ID_ANY);
if (!pools) {
rte_errno = ENOMEM;
return -ENOMEM;
}
if (old_pools)
memcpy(pools, old_pools, cmng->n *
sizeof(struct mlx5_flow_counter_pool *));
cmng->n = resize;
cmng->pools = pools;
if (old_pools)
mlx5_free(old_pools);
return 0;
}
/**
* Query a devx flow counter.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] counter
* Index to the flow counter.
* @param[out] pkts
* The statistics value of packets.
* @param[out] bytes
* The statistics value of bytes.
*
* @return
* 0 on success, otherwise a negative errno value and rte_errno is set.
*/
static inline int
_flow_dv_query_count(struct rte_eth_dev *dev, uint32_t counter, uint64_t *pkts,
uint64_t *bytes)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_counter_pool *pool = NULL;
struct mlx5_flow_counter *cnt;
int offset;
cnt = flow_dv_counter_get_by_idx(dev, counter, &pool);
MLX5_ASSERT(pool);
if (priv->sh->cmng.counter_fallback)
return mlx5_devx_cmd_flow_counter_query(cnt->dcs_when_active, 0,
0, pkts, bytes, 0, NULL, NULL, 0);
rte_spinlock_lock(&pool->sl);
if (!pool->raw) {
*pkts = 0;
*bytes = 0;
} else {
offset = MLX5_CNT_ARRAY_IDX(pool, cnt);
*pkts = rte_be_to_cpu_64(pool->raw->data[offset].hits);
*bytes = rte_be_to_cpu_64(pool->raw->data[offset].bytes);
}
rte_spinlock_unlock(&pool->sl);
return 0;
}
/**
* Create and initialize a new counter pool.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[out] dcs
* The devX counter handle.
* @param[in] age
* Whether the pool is for counter that was allocated for aging.
* @param[in/out] cont_cur
* Pointer to the container pointer, it will be update in pool resize.
*
* @return
* The pool container pointer on success, NULL otherwise and rte_errno is set.
*/
static struct mlx5_flow_counter_pool *
flow_dv_pool_create(struct rte_eth_dev *dev, struct mlx5_devx_obj *dcs,
uint32_t age)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_counter_pool *pool;
struct mlx5_flow_counter_mng *cmng = &priv->sh->cmng;
bool fallback = priv->sh->cmng.counter_fallback;
uint32_t size = sizeof(*pool);
size += MLX5_COUNTERS_PER_POOL * MLX5_CNT_SIZE;
size += (!age ? 0 : MLX5_COUNTERS_PER_POOL * MLX5_AGE_SIZE);
pool = mlx5_malloc(MLX5_MEM_ZERO, size, 0, SOCKET_ID_ANY);
if (!pool) {
rte_errno = ENOMEM;
return NULL;
}
pool->raw = NULL;
pool->is_aged = !!age;
pool->query_gen = 0;
pool->min_dcs = dcs;
rte_spinlock_init(&pool->sl);
rte_spinlock_init(&pool->csl);
TAILQ_INIT(&pool->counters[0]);
TAILQ_INIT(&pool->counters[1]);
pool->time_of_last_age_check = MLX5_CURR_TIME_SEC;
rte_spinlock_lock(&cmng->pool_update_sl);
pool->index = cmng->n_valid;
if (pool->index == cmng->n && flow_dv_container_resize(dev)) {
mlx5_free(pool);
rte_spinlock_unlock(&cmng->pool_update_sl);
return NULL;
}
cmng->pools[pool->index] = pool;
cmng->n_valid++;
if (unlikely(fallback)) {
int base = RTE_ALIGN_FLOOR(dcs->id, MLX5_COUNTERS_PER_POOL);
if (base < cmng->min_id)
cmng->min_id = base;
if (base > cmng->max_id)
cmng->max_id = base + MLX5_COUNTERS_PER_POOL - 1;
cmng->last_pool_idx = pool->index;
}
rte_spinlock_unlock(&cmng->pool_update_sl);
return pool;
}
/**
* Prepare a new counter and/or a new counter pool.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[out] cnt_free
* Where to put the pointer of a new counter.
* @param[in] age
* Whether the pool is for counter that was allocated for aging.
*
* @return
* The counter pool pointer and @p cnt_free is set on success,
* NULL otherwise and rte_errno is set.
*/
static struct mlx5_flow_counter_pool *
flow_dv_counter_pool_prepare(struct rte_eth_dev *dev,
struct mlx5_flow_counter **cnt_free,
uint32_t age)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_counter_mng *cmng = &priv->sh->cmng;
struct mlx5_flow_counter_pool *pool;
struct mlx5_counters tmp_tq;
struct mlx5_devx_obj *dcs = NULL;
struct mlx5_flow_counter *cnt;
enum mlx5_counter_type cnt_type =
age ? MLX5_COUNTER_TYPE_AGE : MLX5_COUNTER_TYPE_ORIGIN;
bool fallback = priv->sh->cmng.counter_fallback;
uint32_t i;
if (fallback) {
/* bulk_bitmap must be 0 for single counter allocation. */
dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->cdev->ctx, 0);
if (!dcs)
return NULL;
pool = flow_dv_find_pool_by_id(cmng, dcs->id);
if (!pool) {
pool = flow_dv_pool_create(dev, dcs, age);
if (!pool) {
mlx5_devx_cmd_destroy(dcs);
return NULL;
}
}
i = dcs->id % MLX5_COUNTERS_PER_POOL;
cnt = MLX5_POOL_GET_CNT(pool, i);
cnt->pool = pool;
cnt->dcs_when_free = dcs;
*cnt_free = cnt;
return pool;
}
dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->cdev->ctx, 0x4);
if (!dcs) {
rte_errno = ENODATA;
return NULL;
}
pool = flow_dv_pool_create(dev, dcs, age);
if (!pool) {
mlx5_devx_cmd_destroy(dcs);
return NULL;
}
TAILQ_INIT(&tmp_tq);
for (i = 1; i < MLX5_COUNTERS_PER_POOL; ++i) {
cnt = MLX5_POOL_GET_CNT(pool, i);
cnt->pool = pool;
TAILQ_INSERT_HEAD(&tmp_tq, cnt, next);
}
rte_spinlock_lock(&cmng->csl[cnt_type]);
TAILQ_CONCAT(&cmng->counters[cnt_type], &tmp_tq, next);
rte_spinlock_unlock(&cmng->csl[cnt_type]);
*cnt_free = MLX5_POOL_GET_CNT(pool, 0);
(*cnt_free)->pool = pool;
return pool;
}
/**
* Allocate a flow counter.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] age
* Whether the counter was allocated for aging.
*
* @return
* Index to flow counter on success, 0 otherwise and rte_errno is set.
*/
static uint32_t
flow_dv_counter_alloc(struct rte_eth_dev *dev, uint32_t age)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_counter_pool *pool = NULL;
struct mlx5_flow_counter *cnt_free = NULL;
bool fallback = priv->sh->cmng.counter_fallback;
struct mlx5_flow_counter_mng *cmng = &priv->sh->cmng;
enum mlx5_counter_type cnt_type =
age ? MLX5_COUNTER_TYPE_AGE : MLX5_COUNTER_TYPE_ORIGIN;
uint32_t cnt_idx;
if (!priv->sh->devx) {
rte_errno = ENOTSUP;
return 0;
}
/* Get free counters from container. */
rte_spinlock_lock(&cmng->csl[cnt_type]);
cnt_free = TAILQ_FIRST(&cmng->counters[cnt_type]);
if (cnt_free)
TAILQ_REMOVE(&cmng->counters[cnt_type], cnt_free, next);
rte_spinlock_unlock(&cmng->csl[cnt_type]);
if (!cnt_free && !flow_dv_counter_pool_prepare(dev, &cnt_free, age))
goto err;
pool = cnt_free->pool;
if (fallback)
cnt_free->dcs_when_active = cnt_free->dcs_when_free;
/* Create a DV counter action only in the first time usage. */
if (!cnt_free->action) {
uint16_t offset;
struct mlx5_devx_obj *dcs;
int ret;
if (!fallback) {
offset = MLX5_CNT_ARRAY_IDX(pool, cnt_free);
dcs = pool->min_dcs;
} else {
offset = 0;
dcs = cnt_free->dcs_when_free;
}
ret = mlx5_flow_os_create_flow_action_count(dcs->obj, offset,
&cnt_free->action);
if (ret) {
rte_errno = errno;
goto err;
}
}
cnt_idx = MLX5_MAKE_CNT_IDX(pool->index,
MLX5_CNT_ARRAY_IDX(pool, cnt_free));
/* Update the counter reset values. */
if (_flow_dv_query_count(dev, cnt_idx, &cnt_free->hits,
&cnt_free->bytes))
goto err;
if (!fallback && !priv->sh->cmng.query_thread_on)
/* Start the asynchronous batch query by the host thread. */
mlx5_set_query_alarm(priv->sh);
/*
* When the count action isn't shared (by ID), shared_info field is
* used for indirect action API's refcnt.
* When the counter action is not shared neither by ID nor by indirect
* action API, shared info must be 1.
*/
cnt_free->shared_info.refcnt = 1;
return cnt_idx;
err:
if (cnt_free) {
cnt_free->pool = pool;
if (fallback)
cnt_free->dcs_when_free = cnt_free->dcs_when_active;
rte_spinlock_lock(&cmng->csl[cnt_type]);
TAILQ_INSERT_TAIL(&cmng->counters[cnt_type], cnt_free, next);
rte_spinlock_unlock(&cmng->csl[cnt_type]);
}
return 0;
}
/**
* Get age param from counter index.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] counter
* Index to the counter handler.
*
* @return
* The aging parameter specified for the counter index.
*/
static struct mlx5_age_param*
flow_dv_counter_idx_get_age(struct rte_eth_dev *dev,
uint32_t counter)
{
struct mlx5_flow_counter *cnt;
struct mlx5_flow_counter_pool *pool = NULL;
flow_dv_counter_get_by_idx(dev, counter, &pool);
counter = (counter - 1) % MLX5_COUNTERS_PER_POOL;
cnt = MLX5_POOL_GET_CNT(pool, counter);
return MLX5_CNT_TO_AGE(cnt);
}
/**
* Remove a flow counter from aged counter list.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] counter
* Index to the counter handler.
* @param[in] cnt
* Pointer to the counter handler.
*/
static void
flow_dv_counter_remove_from_age(struct rte_eth_dev *dev,
uint32_t counter, struct mlx5_flow_counter *cnt)
{
struct mlx5_age_info *age_info;
struct mlx5_age_param *age_param;
struct mlx5_priv *priv = dev->data->dev_private;
uint16_t expected = AGE_CANDIDATE;
age_info = GET_PORT_AGE_INFO(priv);
age_param = flow_dv_counter_idx_get_age(dev, counter);
if (!__atomic_compare_exchange_n(&age_param->state, &expected,
AGE_FREE, false, __ATOMIC_RELAXED,
__ATOMIC_RELAXED)) {
/**
* We need the lock even it is age timeout,
* since counter may still in process.
*/
rte_spinlock_lock(&age_info->aged_sl);
TAILQ_REMOVE(&age_info->aged_counters, cnt, next);
rte_spinlock_unlock(&age_info->aged_sl);
__atomic_store_n(&age_param->state, AGE_FREE, __ATOMIC_RELAXED);
}
}
/**
* Release a flow counter.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] counter
* Index to the counter handler.
*/
static void
flow_dv_counter_free(struct rte_eth_dev *dev, uint32_t counter)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_counter_pool *pool = NULL;
struct mlx5_flow_counter *cnt;
enum mlx5_counter_type cnt_type;
if (!counter)
return;
cnt = flow_dv_counter_get_by_idx(dev, counter, &pool);
MLX5_ASSERT(pool);
if (pool->is_aged) {
flow_dv_counter_remove_from_age(dev, counter, cnt);
} else {
/*
* If the counter action is shared by indirect action API,
* the atomic function reduces its references counter.
* If after the reduction the action is still referenced, the
* function returns here and does not release it.
* When the counter action is not shared by
* indirect action API, shared info is 1 before the reduction,
* so this condition is failed and function doesn't return here.
*/
if (__atomic_sub_fetch(&cnt->shared_info.refcnt, 1,
__ATOMIC_RELAXED))
return;
}
cnt->pool = pool;
/*
* Put the counter back to list to be updated in none fallback mode.
* Currently, we are using two list alternately, while one is in query,
* add the freed counter to the other list based on the pool query_gen
* value. After query finishes, add counter the list to the global
* container counter list. The list changes while query starts. In
* this case, lock will not be needed as query callback and release
* function both operate with the different list.
*/
if (!priv->sh->cmng.counter_fallback) {
rte_spinlock_lock(&pool->csl);
TAILQ_INSERT_TAIL(&pool->counters[pool->query_gen], cnt, next);
rte_spinlock_unlock(&pool->csl);
} else {
cnt->dcs_when_free = cnt->dcs_when_active;
cnt_type = pool->is_aged ? MLX5_COUNTER_TYPE_AGE :
MLX5_COUNTER_TYPE_ORIGIN;
rte_spinlock_lock(&priv->sh->cmng.csl[cnt_type]);
TAILQ_INSERT_TAIL(&priv->sh->cmng.counters[cnt_type],
cnt, next);
rte_spinlock_unlock(&priv->sh->cmng.csl[cnt_type]);
}
}
/**
* Resize a meter id container.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
*
* @return
* 0 on success, otherwise negative errno value and rte_errno is set.
*/
static int
flow_dv_mtr_container_resize(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_mtr_pools_mng *pools_mng =
&priv->sh->mtrmng->pools_mng;
void *old_pools = pools_mng->pools;
uint32_t resize = pools_mng->n + MLX5_MTRS_CONTAINER_RESIZE;
uint32_t mem_size = sizeof(struct mlx5_aso_mtr_pool *) * resize;
void *pools = mlx5_malloc(MLX5_MEM_ZERO, mem_size, 0, SOCKET_ID_ANY);
if (!pools) {
rte_errno = ENOMEM;
return -ENOMEM;
}
if (!pools_mng->n)
if (mlx5_aso_queue_init(priv->sh, ASO_OPC_MOD_POLICER)) {
mlx5_free(pools);
return -ENOMEM;
}
if (old_pools)
memcpy(pools, old_pools, pools_mng->n *
sizeof(struct mlx5_aso_mtr_pool *));
pools_mng->n = resize;
pools_mng->pools = pools;
if (old_pools)
mlx5_free(old_pools);
return 0;
}
/**
* Prepare a new meter and/or a new meter pool.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[out] mtr_free
* Where to put the pointer of a new meter.g.
*
* @return
* The meter pool pointer and @mtr_free is set on success,
* NULL otherwise and rte_errno is set.
*/
static struct mlx5_aso_mtr_pool *
flow_dv_mtr_pool_create(struct rte_eth_dev *dev, struct mlx5_aso_mtr **mtr_free)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_mtr_pools_mng *pools_mng = &priv->sh->mtrmng->pools_mng;
struct mlx5_aso_mtr_pool *pool = NULL;
struct mlx5_devx_obj *dcs = NULL;
uint32_t i;
uint32_t log_obj_size;
log_obj_size = rte_log2_u32(MLX5_ASO_MTRS_PER_POOL >> 1);
dcs = mlx5_devx_cmd_create_flow_meter_aso_obj(priv->sh->cdev->ctx,
priv->sh->cdev->pdn,
log_obj_size);
if (!dcs) {
rte_errno = ENODATA;
return NULL;
}
pool = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*pool), 0, SOCKET_ID_ANY);
if (!pool) {
rte_errno = ENOMEM;
claim_zero(mlx5_devx_cmd_destroy(dcs));
return NULL;
}
pool->devx_obj = dcs;
rte_rwlock_write_lock(&pools_mng->resize_mtrwl);
pool->index = pools_mng->n_valid;
if (pool->index == pools_mng->n && flow_dv_mtr_container_resize(dev)) {
mlx5_free(pool);
claim_zero(mlx5_devx_cmd_destroy(dcs));
rte_rwlock_write_unlock(&pools_mng->resize_mtrwl);
return NULL;
}
pools_mng->pools[pool->index] = pool;
pools_mng->n_valid++;
rte_rwlock_write_unlock(&pools_mng->resize_mtrwl);
for (i = 1; i < MLX5_ASO_MTRS_PER_POOL; ++i) {
pool->mtrs[i].offset = i;
LIST_INSERT_HEAD(&pools_mng->meters, &pool->mtrs[i], next);
}
pool->mtrs[0].offset = 0;
*mtr_free = &pool->mtrs[0];
return pool;
}
/**
* Release a flow meter into pool.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] mtr_idx
* Index to aso flow meter.
*/
static void
flow_dv_aso_mtr_release_to_pool(struct rte_eth_dev *dev, uint32_t mtr_idx)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_mtr_pools_mng *pools_mng =
&priv->sh->mtrmng->pools_mng;
struct mlx5_aso_mtr *aso_mtr = mlx5_aso_meter_by_idx(priv, mtr_idx);
MLX5_ASSERT(aso_mtr);
rte_spinlock_lock(&pools_mng->mtrsl);
memset(&aso_mtr->fm, 0, sizeof(struct mlx5_flow_meter_info));
aso_mtr->state = ASO_METER_FREE;
LIST_INSERT_HEAD(&pools_mng->meters, aso_mtr, next);
rte_spinlock_unlock(&pools_mng->mtrsl);
}
/**
* Allocate a aso flow meter.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
*
* @return
* Index to aso flow meter on success, 0 otherwise and rte_errno is set.
*/
static uint32_t
flow_dv_mtr_alloc(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_mtr *mtr_free = NULL;
struct mlx5_aso_mtr_pools_mng *pools_mng =
&priv->sh->mtrmng->pools_mng;
struct mlx5_aso_mtr_pool *pool;
uint32_t mtr_idx = 0;
if (!priv->sh->devx) {
rte_errno = ENOTSUP;
return 0;
}
/* Allocate the flow meter memory. */
/* Get free meters from management. */
rte_spinlock_lock(&pools_mng->mtrsl);
mtr_free = LIST_FIRST(&pools_mng->meters);
if (mtr_free)
LIST_REMOVE(mtr_free, next);
if (!mtr_free && !flow_dv_mtr_pool_create(dev, &mtr_free)) {
rte_spinlock_unlock(&pools_mng->mtrsl);
return 0;
}
mtr_free->state = ASO_METER_WAIT;
rte_spinlock_unlock(&pools_mng->mtrsl);
pool = container_of(mtr_free,
struct mlx5_aso_mtr_pool,
mtrs[mtr_free->offset]);
mtr_idx = MLX5_MAKE_MTR_IDX(pool->index, mtr_free->offset);
if (!mtr_free->fm.meter_action) {
#ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO
struct rte_flow_error error;
uint8_t reg_id;
reg_id = mlx5_flow_get_reg_id(dev, MLX5_MTR_COLOR, 0, &error);
mtr_free->fm.meter_action =
mlx5_glue->dv_create_flow_action_aso
(priv->sh->rx_domain,
pool->devx_obj->obj,
mtr_free->offset,
(1 << MLX5_FLOW_COLOR_GREEN),
reg_id - REG_C_0);
#endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */
if (!mtr_free->fm.meter_action) {
flow_dv_aso_mtr_release_to_pool(dev, mtr_idx);
return 0;
}
}
return mtr_idx;
}
/**
* Verify the @p attributes will be correctly understood by the NIC and store
* them in the @p flow if everything is correct.
*
* @param[in] dev
* Pointer to dev struct.
* @param[in] attributes
* Pointer to flow attributes
* @param[in] external
* This flow rule is created by request external to PMD.
* @param[out] error
* Pointer to error structure.
*
* @return
* - 0 on success and non root table.
* - 1 on success and root table.
* - a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_attributes(struct rte_eth_dev *dev,
const struct mlx5_flow_tunnel *tunnel,
const struct rte_flow_attr *attributes,
const struct flow_grp_info *grp_info,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t lowest_priority = mlx5_get_lowest_priority(dev, attributes);
int ret = 0;
#ifndef HAVE_MLX5DV_DR
RTE_SET_USED(tunnel);
RTE_SET_USED(grp_info);
if (attributes->group)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
NULL,
"groups are not supported");
#else
uint32_t table = 0;
ret = mlx5_flow_group_to_table(dev, tunnel, attributes->group, &table,
grp_info, error);
if (ret)
return ret;
if (!table)
ret = MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL;
#endif
if (attributes->priority != MLX5_FLOW_LOWEST_PRIO_INDICATOR &&
attributes->priority > lowest_priority)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
NULL,
"priority out of range");
if (attributes->transfer) {
if (!priv->config.dv_esw_en)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"E-Switch dr is not supported");
if (!(priv->representor || priv->master))
return rte_flow_error_set
(error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "E-Switch configuration can only be"
" done by a master or a representor device");
if (attributes->egress)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, attributes,
"egress is not supported");
}
if (!(attributes->egress ^ attributes->ingress))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR, NULL,
"must specify exactly one of "
"ingress or egress");
return ret;
}
static int
validate_integrity_bits(const struct rte_flow_item_integrity *mask,
int64_t pattern_flags, uint64_t l3_flags,
uint64_t l4_flags, uint64_t ip4_flag,
struct rte_flow_error *error)
{
if (mask->l3_ok && !(pattern_flags & l3_flags))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "missing L3 protocol");
if (mask->ipv4_csum_ok && !(pattern_flags & ip4_flag))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "missing IPv4 protocol");
if ((mask->l4_ok || mask->l4_csum_ok) && !(pattern_flags & l4_flags))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "missing L4 protocol");
return 0;
}
static int
flow_dv_validate_item_integrity_post(const struct
rte_flow_item *integrity_items[2],
int64_t pattern_flags,
struct rte_flow_error *error)
{
const struct rte_flow_item_integrity *mask;
int ret;
if (pattern_flags & MLX5_FLOW_ITEM_OUTER_INTEGRITY) {
mask = (typeof(mask))integrity_items[0]->mask;
ret = validate_integrity_bits(mask, pattern_flags,
MLX5_FLOW_LAYER_OUTER_L3,
MLX5_FLOW_LAYER_OUTER_L4,
MLX5_FLOW_LAYER_OUTER_L3_IPV4,
error);
if (ret)
return ret;
}
if (pattern_flags & MLX5_FLOW_ITEM_INNER_INTEGRITY) {
mask = (typeof(mask))integrity_items[1]->mask;
ret = validate_integrity_bits(mask, pattern_flags,
MLX5_FLOW_LAYER_INNER_L3,
MLX5_FLOW_LAYER_INNER_L4,
MLX5_FLOW_LAYER_INNER_L3_IPV4,
error);
if (ret)
return ret;
}
return 0;
}
static int
flow_dv_validate_item_integrity(struct rte_eth_dev *dev,
const struct rte_flow_item *integrity_item,
uint64_t pattern_flags, uint64_t *last_item,
const struct rte_flow_item *integrity_items[2],
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_item_integrity *mask = (typeof(mask))
integrity_item->mask;
const struct rte_flow_item_integrity *spec = (typeof(spec))
integrity_item->spec;
if (!priv->config.hca_attr.pkt_integrity_match)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
integrity_item,
"packet integrity integrity_item not supported");
if (!spec)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
integrity_item,
"no spec for integrity item");
if (!mask)
mask = &rte_flow_item_integrity_mask;
if (!mlx5_validate_integrity_item(mask))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
integrity_item,
"unsupported integrity filter");
if (spec->level > 1) {
if (pattern_flags & MLX5_FLOW_ITEM_INNER_INTEGRITY)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "multiple inner integrity items not supported");
integrity_items[1] = integrity_item;
*last_item |= MLX5_FLOW_ITEM_INNER_INTEGRITY;
} else {
if (pattern_flags & MLX5_FLOW_ITEM_OUTER_INTEGRITY)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "multiple outer integrity items not supported");
integrity_items[0] = integrity_item;
*last_item |= MLX5_FLOW_ITEM_OUTER_INTEGRITY;
}
return 0;
}
static int
flow_dv_validate_item_flex(struct rte_eth_dev *dev,
const struct rte_flow_item *item,
uint64_t item_flags,
uint64_t *last_item,
bool is_inner,
struct rte_flow_error *error)
{
const struct rte_flow_item_flex *flow_spec = item->spec;
const struct rte_flow_item_flex *flow_mask = item->mask;
struct mlx5_flex_item *flex;
if (!flow_spec)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
"flex flow item spec cannot be NULL");
if (!flow_mask)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
"flex flow item mask cannot be NULL");
if (item->last)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
"flex flow item last not supported");
if (mlx5_flex_acquire_index(dev, flow_spec->handle, false) < 0)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
"invalid flex flow item handle");
flex = (struct mlx5_flex_item *)flow_spec->handle;
switch (flex->tunnel_mode) {
case FLEX_TUNNEL_MODE_SINGLE:
if (item_flags &
(MLX5_FLOW_ITEM_OUTER_FLEX | MLX5_FLOW_ITEM_INNER_FLEX))
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "multiple flex items not supported");
break;
case FLEX_TUNNEL_MODE_OUTER:
if (is_inner)
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "inner flex item was not configured");
if (item_flags & MLX5_FLOW_ITEM_OUTER_FLEX)
rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "multiple flex items not supported");
break;
case FLEX_TUNNEL_MODE_INNER:
if (!is_inner)
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "outer flex item was not configured");
if (item_flags & MLX5_FLOW_ITEM_INNER_FLEX)
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "multiple flex items not supported");
break;
case FLEX_TUNNEL_MODE_MULTI:
if ((is_inner && (item_flags & MLX5_FLOW_ITEM_INNER_FLEX)) ||
(!is_inner && (item_flags & MLX5_FLOW_ITEM_OUTER_FLEX))) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "multiple flex items not supported");
}
break;
case FLEX_TUNNEL_MODE_TUNNEL:
if (is_inner || (item_flags & MLX5_FLOW_ITEM_FLEX_TUNNEL))
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "multiple flex tunnel items not supported");
break;
default:
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "invalid flex item configuration");
}
*last_item = flex->tunnel_mode == FLEX_TUNNEL_MODE_TUNNEL ?
MLX5_FLOW_ITEM_FLEX_TUNNEL : is_inner ?
MLX5_FLOW_ITEM_INNER_FLEX : MLX5_FLOW_ITEM_OUTER_FLEX;
return 0;
}
/**
* Internal validation function. For validating both actions and items.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] attr
* Pointer to the flow attributes.
* @param[in] items
* Pointer to the list of items.
* @param[in] actions
* Pointer to the list of actions.
* @param[in] external
* This flow rule is created by request external to PMD.
* @param[in] hairpin
* Number of hairpin TX actions, 0 means classic flow.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
const struct rte_flow_action actions[],
bool external, int hairpin, struct rte_flow_error *error)
{
int ret;
uint64_t action_flags = 0;
uint64_t item_flags = 0;
uint64_t last_item = 0;
uint8_t next_protocol = 0xff;
uint16_t ether_type = 0;
int actions_n = 0;
uint8_t item_ipv6_proto = 0;
int fdb_mirror_limit = 0;
int modify_after_mirror = 0;
const struct rte_flow_item *geneve_item = NULL;
const struct rte_flow_item *gre_item = NULL;
const struct rte_flow_item *gtp_item = NULL;
const struct rte_flow_action_raw_decap *decap;
const struct rte_flow_action_raw_encap *encap;
const struct rte_flow_action_rss *rss = NULL;
const struct rte_flow_action_rss *sample_rss = NULL;
const struct rte_flow_action_count *sample_count = NULL;
const struct rte_flow_item_tcp nic_tcp_mask = {
.hdr = {
.tcp_flags = 0xFF,
.src_port = RTE_BE16(UINT16_MAX),
.dst_port = RTE_BE16(UINT16_MAX),
}
};
const struct rte_flow_item_ipv6 nic_ipv6_mask = {
.hdr = {
.src_addr =
"\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff",
.dst_addr =
"\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff",
.vtc_flow = RTE_BE32(0xffffffff),
.proto = 0xff,
.hop_limits = 0xff,
},
.has_frag_ext = 1,
};
const struct rte_flow_item_ecpri nic_ecpri_mask = {
.hdr = {
.common = {
.u32 =
RTE_BE32(((const struct rte_ecpri_common_hdr) {
.type = 0xFF,
}).u32),
},
.dummy[0] = 0xffffffff,
},
};
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *dev_conf = &priv->config;
uint16_t queue_index = 0xFFFF;
const struct rte_flow_item_vlan *vlan_m = NULL;
uint32_t rw_act_num = 0;
uint64_t is_root;
const struct mlx5_flow_tunnel *tunnel;
enum mlx5_tof_rule_type tof_rule_type;
struct flow_grp_info grp_info = {
.external = !!external,
.transfer = !!attr->transfer,
.fdb_def_rule = !!priv->fdb_def_rule,
.std_tbl_fix = true,
};
const struct rte_eth_hairpin_conf *conf;
const struct rte_flow_item *integrity_items[2] = {NULL, NULL};
const struct rte_flow_item *port_id_item = NULL;
bool def_policy = false;
uint16_t udp_dport = 0;
if (items == NULL)
return -1;
tunnel = is_tunnel_offload_active(dev) ?
mlx5_get_tof(items, actions, &tof_rule_type) : NULL;
if (tunnel) {
if (!priv->config.dv_flow_en)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "tunnel offload requires DV flow interface");
if (priv->representor)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "decap not supported for VF representor");
if (tof_rule_type == MLX5_TUNNEL_OFFLOAD_SET_RULE)
action_flags |= MLX5_FLOW_ACTION_TUNNEL_SET;
else if (tof_rule_type == MLX5_TUNNEL_OFFLOAD_MATCH_RULE)
action_flags |= MLX5_FLOW_ACTION_TUNNEL_MATCH |
MLX5_FLOW_ACTION_DECAP;
grp_info.std_tbl_fix = tunnel_use_standard_attr_group_translate
(dev, attr, tunnel, tof_rule_type);
}
ret = flow_dv_validate_attributes(dev, tunnel, attr, &grp_info, error);
if (ret < 0)
return ret;
is_root = (uint64_t)ret;
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
int type = items->type;
if (!mlx5_flow_os_item_supported(type))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "item not supported");
switch (type) {
case RTE_FLOW_ITEM_TYPE_VOID:
break;
case RTE_FLOW_ITEM_TYPE_PORT_ID:
ret = flow_dv_validate_item_port_id
(dev, items, attr, item_flags, error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_ITEM_PORT_ID;
port_id_item = items;
break;
case RTE_FLOW_ITEM_TYPE_ETH:
ret = mlx5_flow_validate_item_eth(items, item_flags,
true, error);
if (ret < 0)
return ret;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
MLX5_FLOW_LAYER_OUTER_L2;
if (items->mask != NULL && items->spec != NULL) {
ether_type =
((const struct rte_flow_item_eth *)
items->spec)->type;
ether_type &=
((const struct rte_flow_item_eth *)
items->mask)->type;
ether_type = rte_be_to_cpu_16(ether_type);
} else {
ether_type = 0;
}
break;
case RTE_FLOW_ITEM_TYPE_VLAN:
ret = flow_dv_validate_item_vlan(items, item_flags,
dev, error);
if (ret < 0)
return ret;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_VLAN :
MLX5_FLOW_LAYER_OUTER_VLAN;
if (items->mask != NULL && items->spec != NULL) {
ether_type =
((const struct rte_flow_item_vlan *)
items->spec)->inner_type;
ether_type &=
((const struct rte_flow_item_vlan *)
items->mask)->inner_type;
ether_type = rte_be_to_cpu_16(ether_type);
} else {
ether_type = 0;
}
/* Store outer VLAN mask for of_push_vlan action. */
if (!tunnel)
vlan_m = items->mask;
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
mlx5_flow_tunnel_ip_check(items, next_protocol,
&item_flags, &tunnel);
ret = flow_dv_validate_item_ipv4(dev, items, item_flags,
last_item, ether_type,
error);
if (ret < 0)
return ret;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
MLX5_FLOW_LAYER_OUTER_L3_IPV4;
if (items->mask != NULL &&
((const struct rte_flow_item_ipv4 *)
items->mask)->hdr.next_proto_id) {
next_protocol =
((const struct rte_flow_item_ipv4 *)
(items->spec))->hdr.next_proto_id;
next_protocol &=
((const struct rte_flow_item_ipv4 *)
(items->mask))->hdr.next_proto_id;
} else {
/* Reset for inner layer. */
next_protocol = 0xff;
}
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
mlx5_flow_tunnel_ip_check(items, next_protocol,
&item_flags, &tunnel);
ret = mlx5_flow_validate_item_ipv6(items, item_flags,
last_item,
ether_type,
&nic_ipv6_mask,
error);
if (ret < 0)
return ret;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
MLX5_FLOW_LAYER_OUTER_L3_IPV6;
if (items->mask != NULL &&
((const struct rte_flow_item_ipv6 *)
items->mask)->hdr.proto) {
item_ipv6_proto =
((const struct rte_flow_item_ipv6 *)
items->spec)->hdr.proto;
next_protocol =
((const struct rte_flow_item_ipv6 *)
items->spec)->hdr.proto;
next_protocol &=
((const struct rte_flow_item_ipv6 *)
items->mask)->hdr.proto;
} else {
/* Reset for inner layer. */
next_protocol = 0xff;
}
break;
case RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT:
ret = flow_dv_validate_item_ipv6_frag_ext(items,
item_flags,
error);
if (ret < 0)
return ret;
last_item = tunnel ?
MLX5_FLOW_LAYER_INNER_L3_IPV6_FRAG_EXT :
MLX5_FLOW_LAYER_OUTER_L3_IPV6_FRAG_EXT;
if (items->mask != NULL &&
((const struct rte_flow_item_ipv6_frag_ext *)
items->mask)->hdr.next_header) {
next_protocol =
((const struct rte_flow_item_ipv6_frag_ext *)
items->spec)->hdr.next_header;
next_protocol &=
((const struct rte_flow_item_ipv6_frag_ext *)
items->mask)->hdr.next_header;
} else {
/* Reset for inner layer. */
next_protocol = 0xff;
}
break;
case RTE_FLOW_ITEM_TYPE_TCP:
ret = mlx5_flow_validate_item_tcp
(items, item_flags,
next_protocol,
&nic_tcp_mask,
error);
if (ret < 0)
return ret;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
MLX5_FLOW_LAYER_OUTER_L4_TCP;
break;
case RTE_FLOW_ITEM_TYPE_UDP:
ret = mlx5_flow_validate_item_udp(items, item_flags,
next_protocol,
error);
const struct rte_flow_item_udp *spec = items->spec;
const struct rte_flow_item_udp *mask = items->mask;
if (!mask)
mask = &rte_flow_item_udp_mask;
if (spec != NULL)
udp_dport = rte_be_to_cpu_16
(spec->hdr.dst_port &
mask->hdr.dst_port);
if (ret < 0)
return ret;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
MLX5_FLOW_LAYER_OUTER_L4_UDP;
break;
case RTE_FLOW_ITEM_TYPE_GRE:
ret = mlx5_flow_validate_item_gre(items, item_flags,
next_protocol, error);
if (ret < 0)
return ret;
gre_item = items;
last_item = MLX5_FLOW_LAYER_GRE;
break;
case RTE_FLOW_ITEM_TYPE_NVGRE:
ret = mlx5_flow_validate_item_nvgre(items, item_flags,
next_protocol,
error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_LAYER_NVGRE;
break;
case RTE_FLOW_ITEM_TYPE_GRE_KEY:
ret = mlx5_flow_validate_item_gre_key
(items, item_flags, gre_item, error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_LAYER_GRE_KEY;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN:
ret = mlx5_flow_validate_item_vxlan(dev, udp_dport,
items, item_flags,
attr, error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_LAYER_VXLAN;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
ret = mlx5_flow_validate_item_vxlan_gpe(items,
item_flags, dev,
error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
break;
case RTE_FLOW_ITEM_TYPE_GENEVE:
ret = mlx5_flow_validate_item_geneve(items,
item_flags, dev,
error);
if (ret < 0)
return ret;
geneve_item = items;
last_item = MLX5_FLOW_LAYER_GENEVE;
break;
case RTE_FLOW_ITEM_TYPE_GENEVE_OPT:
ret = mlx5_flow_validate_item_geneve_opt(items,
last_item,
geneve_item,
dev,
error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_LAYER_GENEVE_OPT;
break;
case RTE_FLOW_ITEM_TYPE_MPLS:
ret = mlx5_flow_validate_item_mpls(dev, items,
item_flags,
last_item, error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_LAYER_MPLS;
break;
case RTE_FLOW_ITEM_TYPE_MARK:
ret = flow_dv_validate_item_mark(dev, items, attr,
error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_ITEM_MARK;
break;
case RTE_FLOW_ITEM_TYPE_META:
ret = flow_dv_validate_item_meta(dev, items, attr,
error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_ITEM_METADATA;
break;
case RTE_FLOW_ITEM_TYPE_ICMP:
ret = mlx5_flow_validate_item_icmp(items, item_flags,
next_protocol,
error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_LAYER_ICMP;
break;
case RTE_FLOW_ITEM_TYPE_ICMP6:
ret = mlx5_flow_validate_item_icmp6(items, item_flags,
next_protocol,
error);
if (ret < 0)
return ret;
item_ipv6_proto = IPPROTO_ICMPV6;
last_item = MLX5_FLOW_LAYER_ICMP6;
break;
case RTE_FLOW_ITEM_TYPE_TAG:
ret = flow_dv_validate_item_tag(dev, items,
attr, error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_ITEM_TAG;
break;
case MLX5_RTE_FLOW_ITEM_TYPE_TAG:
case MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE:
break;
case RTE_FLOW_ITEM_TYPE_GTP:
ret = flow_dv_validate_item_gtp(dev, items, item_flags,
error);
if (ret < 0)
return ret;
gtp_item = items;
last_item = MLX5_FLOW_LAYER_GTP;
break;
case RTE_FLOW_ITEM_TYPE_GTP_PSC:
ret = flow_dv_validate_item_gtp_psc(items, last_item,
gtp_item, attr,
error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_LAYER_GTP_PSC;
break;
case RTE_FLOW_ITEM_TYPE_ECPRI:
/* Capacity will be checked in the translate stage. */
ret = mlx5_flow_validate_item_ecpri(items, item_flags,
last_item,
ether_type,
&nic_ecpri_mask,
error);
if (ret < 0)
return ret;
last_item = MLX5_FLOW_LAYER_ECPRI;
break;
case RTE_FLOW_ITEM_TYPE_INTEGRITY:
ret = flow_dv_validate_item_integrity(dev, items,
item_flags,
&last_item,
integrity_items,
error);
if (ret < 0)
return ret;
break;
case RTE_FLOW_ITEM_TYPE_CONNTRACK:
ret = flow_dv_validate_item_aso_ct(dev, items,
&item_flags, error);
if (ret < 0)
return ret;
break;
case MLX5_RTE_FLOW_ITEM_TYPE_TUNNEL:
/* tunnel offload item was processed before
* list it here as a supported type
*/
break;
case RTE_FLOW_ITEM_TYPE_FLEX:
ret = flow_dv_validate_item_flex(dev, items, item_flags,
&last_item,
tunnel != 0, error);
if (ret < 0)
return ret;
break;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "item not supported");
}
item_flags |= last_item;
}
if (item_flags & MLX5_FLOW_ITEM_INTEGRITY) {
ret = flow_dv_validate_item_integrity_post(integrity_items,
item_flags, error);
if (ret)
return ret;
}
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
int type = actions->type;
bool shared_count = false;
if (!mlx5_flow_os_action_supported(type))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
actions,
"action not supported");
if (actions_n == MLX5_DV_MAX_NUMBER_OF_ACTIONS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
actions, "too many actions");
if (action_flags &
MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "meter action with policy "
"must be the last action");
switch (type) {
case RTE_FLOW_ACTION_TYPE_VOID:
break;
case RTE_FLOW_ACTION_TYPE_PORT_ID:
case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT:
ret = flow_dv_validate_action_port_id(dev,
action_flags,
actions,
attr,
error);
if (ret)
return ret;
action_flags |= MLX5_FLOW_ACTION_PORT_ID;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_FLAG:
ret = flow_dv_validate_action_flag(dev, action_flags,
attr, error);
if (ret < 0)
return ret;
if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
/* Count all modify-header actions as one. */
if (!(action_flags &
MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
action_flags |= MLX5_FLOW_ACTION_FLAG |
MLX5_FLOW_ACTION_MARK_EXT;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
} else {
action_flags |= MLX5_FLOW_ACTION_FLAG;
++actions_n;
}
rw_act_num += MLX5_ACT_NUM_SET_MARK;
break;
case RTE_FLOW_ACTION_TYPE_MARK:
ret = flow_dv_validate_action_mark(dev, actions,
action_flags,
attr, error);
if (ret < 0)
return ret;
if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
/* Count all modify-header actions as one. */
if (!(action_flags &
MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
action_flags |= MLX5_FLOW_ACTION_MARK |
MLX5_FLOW_ACTION_MARK_EXT;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
} else {
action_flags |= MLX5_FLOW_ACTION_MARK;
++actions_n;
}
rw_act_num += MLX5_ACT_NUM_SET_MARK;
break;
case RTE_FLOW_ACTION_TYPE_SET_META:
ret = flow_dv_validate_action_set_meta(dev, actions,
action_flags,
attr, error);
if (ret < 0)
return ret;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= MLX5_FLOW_ACTION_SET_META;
rw_act_num += MLX5_ACT_NUM_SET_META;
break;
case RTE_FLOW_ACTION_TYPE_SET_TAG:
ret = flow_dv_validate_action_set_tag(dev, actions,
action_flags,
attr, error);
if (ret < 0)
return ret;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= MLX5_FLOW_ACTION_SET_TAG;
rw_act_num += MLX5_ACT_NUM_SET_TAG;
break;
case RTE_FLOW_ACTION_TYPE_DROP:
ret = mlx5_flow_validate_action_drop(action_flags,
attr, error);
if (ret < 0)
return ret;
action_flags |= MLX5_FLOW_ACTION_DROP;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_QUEUE:
ret = mlx5_flow_validate_action_queue(actions,
action_flags, dev,
attr, error);
if (ret < 0)
return ret;
queue_index = ((const struct rte_flow_action_queue *)
(actions->conf))->index;
action_flags |= MLX5_FLOW_ACTION_QUEUE;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_RSS:
rss = actions->conf;
ret = mlx5_flow_validate_action_rss(actions,
action_flags, dev,
attr, item_flags,
error);
if (ret < 0)
return ret;
if (rss && sample_rss &&
(sample_rss->level != rss->level ||
sample_rss->types != rss->types))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"Can't use the different RSS types "
"or level in the same flow");
if (rss != NULL && rss->queue_num)
queue_index = rss->queue[0];
action_flags |= MLX5_FLOW_ACTION_RSS;
++actions_n;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_DEFAULT_MISS:
ret =
mlx5_flow_validate_action_default_miss(action_flags,
attr, error);
if (ret < 0)
return ret;
action_flags |= MLX5_FLOW_ACTION_DEFAULT_MISS;
++actions_n;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_COUNT:
shared_count = true;
/* fall-through. */
case RTE_FLOW_ACTION_TYPE_COUNT:
ret = flow_dv_validate_action_count(dev, shared_count,
action_flags,
error);
if (ret < 0)
return ret;
action_flags |= MLX5_FLOW_ACTION_COUNT;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
if (flow_dv_validate_action_pop_vlan(dev,
action_flags,
actions,
item_flags, attr,
error))
return -rte_errno;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= MLX5_FLOW_ACTION_OF_POP_VLAN;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
ret = flow_dv_validate_action_push_vlan(dev,
action_flags,
vlan_m,
actions, attr,
error);
if (ret < 0)
return ret;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= MLX5_FLOW_ACTION_OF_PUSH_VLAN;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
ret = flow_dv_validate_action_set_vlan_pcp
(action_flags, actions, error);
if (ret < 0)
return ret;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
/* Count PCP with push_vlan command. */
action_flags |= MLX5_FLOW_ACTION_OF_SET_VLAN_PCP;
break;
case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
ret = flow_dv_validate_action_set_vlan_vid
(item_flags, action_flags,
actions, error);
if (ret < 0)
return ret;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
/* Count VID with push_vlan command. */
action_flags |= MLX5_FLOW_ACTION_OF_SET_VLAN_VID;
rw_act_num += MLX5_ACT_NUM_MDF_VID;
break;
case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
ret = flow_dv_validate_action_l2_encap(dev,
action_flags,
actions, attr,
error);
if (ret < 0)
return ret;
action_flags |= MLX5_FLOW_ACTION_ENCAP;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
ret = flow_dv_validate_action_decap(dev, action_flags,
actions, item_flags,
attr, error);
if (ret < 0)
return ret;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= MLX5_FLOW_ACTION_DECAP;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
ret = flow_dv_validate_action_raw_encap_decap
(dev, NULL, actions->conf, attr, &action_flags,
&actions_n, actions, item_flags, error);
if (ret < 0)
return ret;
break;
case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
decap = actions->conf;
while ((++actions)->type == RTE_FLOW_ACTION_TYPE_VOID)
;
if (actions->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
encap = NULL;
actions--;
} else {
encap = actions->conf;
}
ret = flow_dv_validate_action_raw_encap_decap
(dev,
decap ? decap : &empty_decap, encap,
attr, &action_flags, &actions_n,
actions, item_flags, error);
if (ret < 0)
return ret;
if ((action_flags & MLX5_FLOW_ACTION_SAMPLE) &&
(action_flags & MLX5_FLOW_ACTION_DECAP))
modify_after_mirror = 1;
break;
case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
ret = flow_dv_validate_action_modify_mac(action_flags,
actions,
item_flags,
error);
if (ret < 0)
return ret;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_SET_MAC_SRC ?
MLX5_FLOW_ACTION_SET_MAC_SRC :
MLX5_FLOW_ACTION_SET_MAC_DST;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
/*
* Even if the source and destination MAC addresses have
* overlap in the header with 4B alignment, the convert
* function will handle them separately and 4 SW actions
* will be created. And 2 actions will be added each
* time no matter how many bytes of address will be set.
*/
rw_act_num += MLX5_ACT_NUM_MDF_MAC;
break;
case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
ret = flow_dv_validate_action_modify_ipv4(action_flags,
actions,
item_flags,
error);
if (ret < 0)
return ret;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC ?
MLX5_FLOW_ACTION_SET_IPV4_SRC :
MLX5_FLOW_ACTION_SET_IPV4_DST;
rw_act_num += MLX5_ACT_NUM_MDF_IPV4;
break;
case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
ret = flow_dv_validate_action_modify_ipv6(action_flags,
actions,
item_flags,
error);
if (ret < 0)
return ret;
if (item_ipv6_proto == IPPROTO_ICMPV6)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
actions,
"Can't change header "
"with ICMPv6 proto");
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC ?
MLX5_FLOW_ACTION_SET_IPV6_SRC :
MLX5_FLOW_ACTION_SET_IPV6_DST;
rw_act_num += MLX5_ACT_NUM_MDF_IPV6;
break;
case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
ret = flow_dv_validate_action_modify_tp(action_flags,
actions,
item_flags,
error);
if (ret < 0)
return ret;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_SET_TP_SRC ?
MLX5_FLOW_ACTION_SET_TP_SRC :
MLX5_FLOW_ACTION_SET_TP_DST;
rw_act_num += MLX5_ACT_NUM_MDF_PORT;
break;
case RTE_FLOW_ACTION_TYPE_DEC_TTL:
case RTE_FLOW_ACTION_TYPE_SET_TTL:
ret = flow_dv_validate_action_modify_ttl(action_flags,
actions,
item_flags,
error);
if (ret < 0)
return ret;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_SET_TTL ?
MLX5_FLOW_ACTION_SET_TTL :
MLX5_FLOW_ACTION_DEC_TTL;
rw_act_num += MLX5_ACT_NUM_MDF_TTL;
break;
case RTE_FLOW_ACTION_TYPE_JUMP:
ret = flow_dv_validate_action_jump(dev, tunnel, actions,
action_flags,
attr, external,
error);
if (ret)
return ret;
if ((action_flags & MLX5_FLOW_ACTION_SAMPLE) &&
fdb_mirror_limit)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"sample and jump action combination is not supported");
++actions_n;
action_flags |= MLX5_FLOW_ACTION_JUMP;
break;
case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
ret = flow_dv_validate_action_modify_tcp_seq
(action_flags,
actions,
item_flags,
error);
if (ret < 0)
return ret;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ ?
MLX5_FLOW_ACTION_INC_TCP_SEQ :
MLX5_FLOW_ACTION_DEC_TCP_SEQ;
rw_act_num += MLX5_ACT_NUM_MDF_TCPSEQ;
break;
case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
ret = flow_dv_validate_action_modify_tcp_ack
(action_flags,
actions,
item_flags,
error);
if (ret < 0)
return ret;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_INC_TCP_ACK ?
MLX5_FLOW_ACTION_INC_TCP_ACK :
MLX5_FLOW_ACTION_DEC_TCP_ACK;
rw_act_num += MLX5_ACT_NUM_MDF_TCPACK;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_MARK:
break;
case MLX5_RTE_FLOW_ACTION_TYPE_TAG:
case MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG:
rw_act_num += MLX5_ACT_NUM_SET_TAG;
break;
case RTE_FLOW_ACTION_TYPE_METER:
ret = mlx5_flow_validate_action_meter(dev,
action_flags,
item_flags,
actions, attr,
port_id_item,
&def_policy,
error);
if (ret < 0)
return ret;
action_flags |= MLX5_FLOW_ACTION_METER;
if (!def_policy)
action_flags |=
MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY;
++actions_n;
/* Meter action will add one more TAG action. */
rw_act_num += MLX5_ACT_NUM_SET_TAG;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_AGE:
if (!attr->transfer && !attr->group)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"Shared ASO age action is not supported for group 0");
if (action_flags & MLX5_FLOW_ACTION_AGE)
return rte_flow_error_set
(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"duplicate age actions set");
action_flags |= MLX5_FLOW_ACTION_AGE;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_AGE:
ret = flow_dv_validate_action_age(action_flags,
actions, dev,
error);
if (ret < 0)
return ret;
/*
* Validate the regular AGE action (using counter)
* mutual exclusion with share counter actions.
*/
if (!priv->sh->flow_hit_aso_en) {
if (shared_count)
return rte_flow_error_set
(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"old age and shared count combination is not supported");
if (sample_count)
return rte_flow_error_set
(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"old age action and count must be in the same sub flow");
}
action_flags |= MLX5_FLOW_ACTION_AGE;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
ret = flow_dv_validate_action_modify_ipv4_dscp
(action_flags,
actions,
item_flags,
error);
if (ret < 0)
return ret;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= MLX5_FLOW_ACTION_SET_IPV4_DSCP;
rw_act_num += MLX5_ACT_NUM_SET_DSCP;
break;
case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
ret = flow_dv_validate_action_modify_ipv6_dscp
(action_flags,
actions,
item_flags,
error);
if (ret < 0)
return ret;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
action_flags |= MLX5_FLOW_ACTION_SET_IPV6_DSCP;
rw_act_num += MLX5_ACT_NUM_SET_DSCP;
break;
case RTE_FLOW_ACTION_TYPE_SAMPLE:
ret = flow_dv_validate_action_sample(&action_flags,
actions, dev,
attr, item_flags,
rss, &sample_rss,
&sample_count,
&fdb_mirror_limit,
error);
if (ret < 0)
return ret;
action_flags |= MLX5_FLOW_ACTION_SAMPLE;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
ret = flow_dv_validate_action_modify_field(dev,
action_flags,
actions,
attr,
error);
if (ret < 0)
return ret;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
modify_after_mirror = 1;
/* Count all modify-header actions as one action. */
if (!(action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS))
++actions_n;
action_flags |= MLX5_FLOW_ACTION_MODIFY_FIELD;
rw_act_num += ret;
break;
case RTE_FLOW_ACTION_TYPE_CONNTRACK:
ret = flow_dv_validate_action_aso_ct(dev, action_flags,
item_flags, attr,
error);
if (ret < 0)
return ret;
action_flags |= MLX5_FLOW_ACTION_CT;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET:
/* tunnel offload action was processed before
* list it here as a supported type
*/
break;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
actions,
"action not supported");
}
}
/*
* Validate actions in flow rules
* - Explicit decap action is prohibited by the tunnel offload API.
* - Drop action in tunnel steer rule is prohibited by the API.
* - Application cannot use MARK action because it's value can mask
* tunnel default miss notification.
* - JUMP in tunnel match rule has no support in current PMD
* implementation.
* - TAG & META are reserved for future uses.
*/
if (action_flags & MLX5_FLOW_ACTION_TUNNEL_SET) {
uint64_t bad_actions_mask = MLX5_FLOW_ACTION_DECAP |
MLX5_FLOW_ACTION_MARK |
MLX5_FLOW_ACTION_SET_TAG |
MLX5_FLOW_ACTION_SET_META |
MLX5_FLOW_ACTION_DROP;
if (action_flags & bad_actions_mask)
return rte_flow_error_set
(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Invalid RTE action in tunnel "
"set decap rule");
if (!(action_flags & MLX5_FLOW_ACTION_JUMP))
return rte_flow_error_set
(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"tunnel set decap rule must terminate "
"with JUMP");
if (!attr->ingress)
return rte_flow_error_set
(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"tunnel flows for ingress traffic only");
}
if (action_flags & MLX5_FLOW_ACTION_TUNNEL_MATCH) {
uint64_t bad_actions_mask = MLX5_FLOW_ACTION_JUMP |
MLX5_FLOW_ACTION_MARK |
MLX5_FLOW_ACTION_SET_TAG |
MLX5_FLOW_ACTION_SET_META;
if (action_flags & bad_actions_mask)
return rte_flow_error_set
(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Invalid RTE action in tunnel "
"set match rule");
}
/*
* Validate the drop action mutual exclusion with other actions.
* Drop action is mutually-exclusive with any other action, except for
* Count action.
* Drop action compatibility with tunnel offload was already validated.
*/
if (action_flags & (MLX5_FLOW_ACTION_TUNNEL_MATCH |
MLX5_FLOW_ACTION_TUNNEL_MATCH));
else if ((action_flags & MLX5_FLOW_ACTION_DROP) &&
(action_flags & ~(MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_COUNT)))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Drop action is mutually-exclusive "
"with any other action, except for "
"Count action");
/* Eswitch has few restrictions on using items and actions */
if (attr->transfer) {
if (!mlx5_flow_ext_mreg_supported(dev) &&
action_flags & MLX5_FLOW_ACTION_FLAG)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"unsupported action FLAG");
if (!mlx5_flow_ext_mreg_supported(dev) &&
action_flags & MLX5_FLOW_ACTION_MARK)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"unsupported action MARK");
if (action_flags & MLX5_FLOW_ACTION_QUEUE)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"unsupported action QUEUE");
if (action_flags & MLX5_FLOW_ACTION_RSS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"unsupported action RSS");
if (!(action_flags & MLX5_FLOW_FATE_ESWITCH_ACTIONS))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
actions,
"no fate action is found");
} else {
if (!(action_flags & MLX5_FLOW_FATE_ACTIONS) && attr->ingress)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
actions,
"no fate action is found");
}
/*
* Continue validation for Xcap and VLAN actions.
* If hairpin is working in explicit TX rule mode, there is no actions
* splitting and the validation of hairpin ingress flow should be the
* same as other standard flows.
*/
if ((action_flags & (MLX5_FLOW_XCAP_ACTIONS |
MLX5_FLOW_VLAN_ACTIONS)) &&
(queue_index == 0xFFFF ||
mlx5_rxq_get_type(dev, queue_index) != MLX5_RXQ_TYPE_HAIRPIN ||
((conf = mlx5_rxq_get_hairpin_conf(dev, queue_index)) != NULL &&
conf->tx_explicit != 0))) {
if ((action_flags & MLX5_FLOW_XCAP_ACTIONS) ==
MLX5_FLOW_XCAP_ACTIONS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "encap and decap "
"combination aren't supported");
if (!attr->transfer && attr->ingress) {
if (action_flags & MLX5_FLOW_ACTION_ENCAP)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "encap is not supported"
" for ingress traffic");
else if (action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "push VLAN action not "
"supported for ingress");
else if ((action_flags & MLX5_FLOW_VLAN_ACTIONS) ==
MLX5_FLOW_VLAN_ACTIONS)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "no support for "
"multiple VLAN actions");
}
}
if (action_flags & MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY) {
if ((action_flags & (MLX5_FLOW_FATE_ACTIONS &
~MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY)) &&
attr->ingress)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "fate action not supported for "
"meter with policy");
if (attr->egress) {
if (action_flags & MLX5_FLOW_MODIFY_HDR_ACTIONS)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "modify header action in egress "
"cannot be done before meter action");
if (action_flags & MLX5_FLOW_ACTION_ENCAP)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "encap action in egress "
"cannot be done before meter action");
if (action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "push vlan action in egress "
"cannot be done before meter action");
}
}
/*
* Hairpin flow will add one more TAG action in TX implicit mode.
* In TX explicit mode, there will be no hairpin flow ID.
*/
if (hairpin > 0)
rw_act_num += MLX5_ACT_NUM_SET_TAG;
/* extra metadata enabled: one more TAG action will be add. */
if (dev_conf->dv_flow_en &&
dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
mlx5_flow_ext_mreg_supported(dev))
rw_act_num += MLX5_ACT_NUM_SET_TAG;
if (rw_act_num >
flow_dv_modify_hdr_action_max(dev, is_root)) {
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "too many header modify"
" actions to support");
}
/* Eswitch egress mirror and modify flow has limitation on CX5 */
if (fdb_mirror_limit && modify_after_mirror)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"sample before modify action is not supported");
return 0;
}
/**
* Internal preparation function. Allocates the DV flow size,
* this size is constant.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
* @param[in] attr
* Pointer to the flow attributes.
* @param[in] items
* Pointer to the list of items.
* @param[in] actions
* Pointer to the list of actions.
* @param[out] error
* Pointer to the error structure.
*
* @return
* Pointer to mlx5_flow object on success,
* otherwise NULL and rte_errno is set.
*/
static struct mlx5_flow *
flow_dv_prepare(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr __rte_unused,
const struct rte_flow_item items[] __rte_unused,
const struct rte_flow_action actions[] __rte_unused,
struct rte_flow_error *error)
{
uint32_t handle_idx = 0;
struct mlx5_flow *dev_flow;
struct mlx5_flow_handle *dev_handle;
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
MLX5_ASSERT(wks);
wks->skip_matcher_reg = 0;
wks->policy = NULL;
wks->final_policy = NULL;
/* In case of corrupting the memory. */
if (wks->flow_idx >= MLX5_NUM_MAX_DEV_FLOWS) {
rte_flow_error_set(error, ENOSPC,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"not free temporary device flow");
return NULL;
}
dev_handle = mlx5_ipool_zmalloc(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW],
&handle_idx);
if (!dev_handle) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"not enough memory to create flow handle");
return NULL;
}
MLX5_ASSERT(wks->flow_idx < RTE_DIM(wks->flows));
dev_flow = &wks->flows[wks->flow_idx++];
memset(dev_flow, 0, sizeof(*dev_flow));
dev_flow->handle = dev_handle;
dev_flow->handle_idx = handle_idx;
dev_flow->dv.value.size = MLX5_ST_SZ_BYTES(fte_match_param);
dev_flow->ingress = attr->ingress;
dev_flow->dv.transfer = attr->transfer;
return dev_flow;
}
#ifdef RTE_LIBRTE_MLX5_DEBUG
/**
* Sanity check for match mask and value. Similar to check_valid_spec() in
* kernel driver. If unmasked bit is present in value, it returns failure.
*
* @param match_mask
* pointer to match mask buffer.
* @param match_value
* pointer to match value buffer.
*
* @return
* 0 if valid, -EINVAL otherwise.
*/
static int
flow_dv_check_valid_spec(void *match_mask, void *match_value)
{
uint8_t *m = match_mask;
uint8_t *v = match_value;
unsigned int i;
for (i = 0; i < MLX5_ST_SZ_BYTES(fte_match_param); ++i) {
if (v[i] & ~m[i]) {
DRV_LOG(ERR,
"match_value differs from match_criteria"
" %p[%u] != %p[%u]",
match_value, i, match_mask, i);
return -EINVAL;
}
}
return 0;
}
#endif
/**
* Add match of ip_version.
*
* @param[in] group
* Flow group.
* @param[in] headers_v
* Values header pointer.
* @param[in] headers_m
* Masks header pointer.
* @param[in] ip_version
* The IP version to set.
*/
static inline void
flow_dv_set_match_ip_version(uint32_t group,
void *headers_v,
void *headers_m,
uint8_t ip_version)
{
if (group == 0)
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version, 0xf);
else
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_version,
ip_version);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, ip_version);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 0);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype, 0);
}
/**
* Add Ethernet item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_eth(void *matcher, void *key,
const struct rte_flow_item *item, int inner,
uint32_t group)
{
const struct rte_flow_item_eth *eth_m = item->mask;
const struct rte_flow_item_eth *eth_v = item->spec;
const struct rte_flow_item_eth nic_mask = {
.dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
.src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
.type = RTE_BE16(0xffff),
.has_vlan = 0,
};
void *hdrs_m;
void *hdrs_v;
char *l24_v;
unsigned int i;
if (!eth_v)
return;
if (!eth_m)
eth_m = &nic_mask;
if (inner) {
hdrs_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
hdrs_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
hdrs_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
hdrs_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_m, dmac_47_16),
&eth_m->dst, sizeof(eth_m->dst));
/* The value must be in the range of the mask. */
l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_v, dmac_47_16);
for (i = 0; i < sizeof(eth_m->dst); ++i)
l24_v[i] = eth_m->dst.addr_bytes[i] & eth_v->dst.addr_bytes[i];
memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_m, smac_47_16),
&eth_m->src, sizeof(eth_m->src));
l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_v, smac_47_16);
/* The value must be in the range of the mask. */
for (i = 0; i < sizeof(eth_m->dst); ++i)
l24_v[i] = eth_m->src.addr_bytes[i] & eth_v->src.addr_bytes[i];
/*
* HW supports match on one Ethertype, the Ethertype following the last
* VLAN tag of the packet (see PRM).
* Set match on ethertype only if ETH header is not followed by VLAN.
* HW is optimized for IPv4/IPv6. In such cases, avoid setting
* ethertype, and use ip_version field instead.
* eCPRI over Ether layer will use type value 0xAEFE.
*/
if (eth_m->type == 0xFFFF) {
/* Set cvlan_tag mask for any single\multi\un-tagged case. */
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, cvlan_tag, 1);
switch (eth_v->type) {
case RTE_BE16(RTE_ETHER_TYPE_VLAN):
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, cvlan_tag, 1);
return;
case RTE_BE16(RTE_ETHER_TYPE_QINQ):
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, svlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, svlan_tag, 1);
return;
case RTE_BE16(RTE_ETHER_TYPE_IPV4):
flow_dv_set_match_ip_version(group, hdrs_v, hdrs_m, 4);
return;
case RTE_BE16(RTE_ETHER_TYPE_IPV6):
flow_dv_set_match_ip_version(group, hdrs_v, hdrs_m, 6);
return;
default:
break;
}
}
if (eth_m->has_vlan) {
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, cvlan_tag, 1);
if (eth_v->has_vlan) {
/*
* Here, when also has_more_vlan field in VLAN item is
* not set, only single-tagged packets will be matched.
*/
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, cvlan_tag, 1);
return;
}
}
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, ethertype,
rte_be_to_cpu_16(eth_m->type));
l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_v, ethertype);
*(uint16_t *)(l24_v) = eth_m->type & eth_v->type;
}
/**
* Add VLAN item to matcher and to the value.
*
* @param[in, out] dev_flow
* Flow descriptor.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_vlan(struct mlx5_flow *dev_flow,
void *matcher, void *key,
const struct rte_flow_item *item,
int inner, uint32_t group)
{
const struct rte_flow_item_vlan *vlan_m = item->mask;
const struct rte_flow_item_vlan *vlan_v = item->spec;
void *hdrs_m;
void *hdrs_v;
uint16_t tci_m;
uint16_t tci_v;
if (inner) {
hdrs_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
hdrs_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
hdrs_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
hdrs_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
/*
* This is workaround, masks are not supported,
* and pre-validated.
*/
if (vlan_v)
dev_flow->handle->vf_vlan.tag =
rte_be_to_cpu_16(vlan_v->tci) & 0x0fff;
}
/*
* When VLAN item exists in flow, mark packet as tagged,
* even if TCI is not specified.
*/
if (!MLX5_GET(fte_match_set_lyr_2_4, hdrs_v, svlan_tag)) {
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, cvlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, cvlan_tag, 1);
}
if (!vlan_v)
return;
if (!vlan_m)
vlan_m = &rte_flow_item_vlan_mask;
tci_m = rte_be_to_cpu_16(vlan_m->tci);
tci_v = rte_be_to_cpu_16(vlan_m->tci & vlan_v->tci);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, first_vid, tci_m);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, first_vid, tci_v);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, first_cfi, tci_m >> 12);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, first_cfi, tci_v >> 12);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, first_prio, tci_m >> 13);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, first_prio, tci_v >> 13);
/*
* HW is optimized for IPv4/IPv6. In such cases, avoid setting
* ethertype, and use ip_version field instead.
*/
if (vlan_m->inner_type == 0xFFFF) {
switch (vlan_v->inner_type) {
case RTE_BE16(RTE_ETHER_TYPE_VLAN):
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, svlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, svlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, cvlan_tag, 0);
return;
case RTE_BE16(RTE_ETHER_TYPE_IPV4):
flow_dv_set_match_ip_version(group, hdrs_v, hdrs_m, 4);
return;
case RTE_BE16(RTE_ETHER_TYPE_IPV6):
flow_dv_set_match_ip_version(group, hdrs_v, hdrs_m, 6);
return;
default:
break;
}
}
if (vlan_m->has_more_vlan && vlan_v->has_more_vlan) {
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, svlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, svlan_tag, 1);
/* Only one vlan_tag bit can be set. */
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, cvlan_tag, 0);
return;
}
MLX5_SET(fte_match_set_lyr_2_4, hdrs_m, ethertype,
rte_be_to_cpu_16(vlan_m->inner_type));
MLX5_SET(fte_match_set_lyr_2_4, hdrs_v, ethertype,
rte_be_to_cpu_16(vlan_m->inner_type & vlan_v->inner_type));
}
/**
* Add IPV4 item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
* @param[in] group
* The group to insert the rule.
*/
static void
flow_dv_translate_item_ipv4(void *matcher, void *key,
const struct rte_flow_item *item,
int inner, uint32_t group)
{
const struct rte_flow_item_ipv4 *ipv4_m = item->mask;
const struct rte_flow_item_ipv4 *ipv4_v = item->spec;
const struct rte_flow_item_ipv4 nic_mask = {
.hdr = {
.src_addr = RTE_BE32(0xffffffff),
.dst_addr = RTE_BE32(0xffffffff),
.type_of_service = 0xff,
.next_proto_id = 0xff,
.time_to_live = 0xff,
},
};
void *headers_m;
void *headers_v;
char *l24_m;
char *l24_v;
uint8_t tos, ihl_m, ihl_v;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
flow_dv_set_match_ip_version(group, headers_v, headers_m, 4);
if (!ipv4_v)
return;
if (!ipv4_m)
ipv4_m = &nic_mask;
l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
*(uint32_t *)l24_m = ipv4_m->hdr.dst_addr;
*(uint32_t *)l24_v = ipv4_m->hdr.dst_addr & ipv4_v->hdr.dst_addr;
l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
src_ipv4_src_ipv6.ipv4_layout.ipv4);
l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
src_ipv4_src_ipv6.ipv4_layout.ipv4);
*(uint32_t *)l24_m = ipv4_m->hdr.src_addr;
*(uint32_t *)l24_v = ipv4_m->hdr.src_addr & ipv4_v->hdr.src_addr;
tos = ipv4_m->hdr.type_of_service & ipv4_v->hdr.type_of_service;
ihl_m = ipv4_m->hdr.version_ihl & RTE_IPV4_HDR_IHL_MASK;
ihl_v = ipv4_v->hdr.version_ihl & RTE_IPV4_HDR_IHL_MASK;
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ipv4_ihl, ihl_m);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ipv4_ihl, ihl_m & ihl_v);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ecn,
ipv4_m->hdr.type_of_service);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, tos);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_dscp,
ipv4_m->hdr.type_of_service >> 2);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, tos >> 2);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol,
ipv4_m->hdr.next_proto_id);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
ipv4_v->hdr.next_proto_id & ipv4_m->hdr.next_proto_id);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ttl_hoplimit,
ipv4_m->hdr.time_to_live);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ttl_hoplimit,
ipv4_v->hdr.time_to_live & ipv4_m->hdr.time_to_live);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag,
!!(ipv4_m->hdr.fragment_offset));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag,
!!(ipv4_v->hdr.fragment_offset & ipv4_m->hdr.fragment_offset));
}
/**
* Add IPV6 item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
* @param[in] group
* The group to insert the rule.
*/
static void
flow_dv_translate_item_ipv6(void *matcher, void *key,
const struct rte_flow_item *item,
int inner, uint32_t group)
{
const struct rte_flow_item_ipv6 *ipv6_m = item->mask;
const struct rte_flow_item_ipv6 *ipv6_v = item->spec;
const struct rte_flow_item_ipv6 nic_mask = {
.hdr = {
.src_addr =
"\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff",
.dst_addr =
"\xff\xff\xff\xff\xff\xff\xff\xff"
"\xff\xff\xff\xff\xff\xff\xff\xff",
.vtc_flow = RTE_BE32(0xffffffff),
.proto = 0xff,
.hop_limits = 0xff,
},
};
void *headers_m;
void *headers_v;
void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
char *l24_m;
char *l24_v;
uint32_t vtc_m;
uint32_t vtc_v;
int i;
int size;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
flow_dv_set_match_ip_version(group, headers_v, headers_m, 6);
if (!ipv6_v)
return;
if (!ipv6_m)
ipv6_m = &nic_mask;
size = sizeof(ipv6_m->hdr.dst_addr);
l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
dst_ipv4_dst_ipv6.ipv6_layout.ipv6);
l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
dst_ipv4_dst_ipv6.ipv6_layout.ipv6);
memcpy(l24_m, ipv6_m->hdr.dst_addr, size);
for (i = 0; i < size; ++i)
l24_v[i] = l24_m[i] & ipv6_v->hdr.dst_addr[i];
l24_m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_m,
src_ipv4_src_ipv6.ipv6_layout.ipv6);
l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
src_ipv4_src_ipv6.ipv6_layout.ipv6);
memcpy(l24_m, ipv6_m->hdr.src_addr, size);
for (i = 0; i < size; ++i)
l24_v[i] = l24_m[i] & ipv6_v->hdr.src_addr[i];
/* TOS. */
vtc_m = rte_be_to_cpu_32(ipv6_m->hdr.vtc_flow);
vtc_v = rte_be_to_cpu_32(ipv6_m->hdr.vtc_flow & ipv6_v->hdr.vtc_flow);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ecn, vtc_m >> 20);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, vtc_v >> 20);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_dscp, vtc_m >> 22);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, vtc_v >> 22);
/* Label. */
if (inner) {
MLX5_SET(fte_match_set_misc, misc_m, inner_ipv6_flow_label,
vtc_m);
MLX5_SET(fte_match_set_misc, misc_v, inner_ipv6_flow_label,
vtc_v);
} else {
MLX5_SET(fte_match_set_misc, misc_m, outer_ipv6_flow_label,
vtc_m);
MLX5_SET(fte_match_set_misc, misc_v, outer_ipv6_flow_label,
vtc_v);
}
/* Protocol. */
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol,
ipv6_m->hdr.proto);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
ipv6_v->hdr.proto & ipv6_m->hdr.proto);
/* Hop limit. */
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_ttl_hoplimit,
ipv6_m->hdr.hop_limits);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ttl_hoplimit,
ipv6_v->hdr.hop_limits & ipv6_m->hdr.hop_limits);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag,
!!(ipv6_m->has_frag_ext));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag,
!!(ipv6_v->has_frag_ext & ipv6_m->has_frag_ext));
}
/**
* Add IPV6 fragment extension item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_ipv6_frag_ext(void *matcher, void *key,
const struct rte_flow_item *item,
int inner)
{
const struct rte_flow_item_ipv6_frag_ext *ipv6_frag_ext_m = item->mask;
const struct rte_flow_item_ipv6_frag_ext *ipv6_frag_ext_v = item->spec;
const struct rte_flow_item_ipv6_frag_ext nic_mask = {
.hdr = {
.next_header = 0xff,
.frag_data = RTE_BE16(0xffff),
},
};
void *headers_m;
void *headers_v;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
/* IPv6 fragment extension item exists, so packet is IP fragment. */
MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 1);
if (!ipv6_frag_ext_v)
return;
if (!ipv6_frag_ext_m)
ipv6_frag_ext_m = &nic_mask;
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol,
ipv6_frag_ext_m->hdr.next_header);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
ipv6_frag_ext_v->hdr.next_header &
ipv6_frag_ext_m->hdr.next_header);
}
/**
* Add TCP item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_tcp(void *matcher, void *key,
const struct rte_flow_item *item,
int inner)
{
const struct rte_flow_item_tcp *tcp_m = item->mask;
const struct rte_flow_item_tcp *tcp_v = item->spec;
void *headers_m;
void *headers_v;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_TCP);
if (!tcp_v)
return;
if (!tcp_m)
tcp_m = &rte_flow_item_tcp_mask;
MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_sport,
rte_be_to_cpu_16(tcp_m->hdr.src_port));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_sport,
rte_be_to_cpu_16(tcp_v->hdr.src_port & tcp_m->hdr.src_port));
MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_dport,
rte_be_to_cpu_16(tcp_m->hdr.dst_port));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_dport,
rte_be_to_cpu_16(tcp_v->hdr.dst_port & tcp_m->hdr.dst_port));
MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_flags,
tcp_m->hdr.tcp_flags);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags,
(tcp_v->hdr.tcp_flags & tcp_m->hdr.tcp_flags));
}
/**
* Add UDP item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_udp(void *matcher, void *key,
const struct rte_flow_item *item,
int inner)
{
const struct rte_flow_item_udp *udp_m = item->mask;
const struct rte_flow_item_udp *udp_v = item->spec;
void *headers_m;
void *headers_v;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP);
if (!udp_v)
return;
if (!udp_m)
udp_m = &rte_flow_item_udp_mask;
MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_sport,
rte_be_to_cpu_16(udp_m->hdr.src_port));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_sport,
rte_be_to_cpu_16(udp_v->hdr.src_port & udp_m->hdr.src_port));
MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport,
rte_be_to_cpu_16(udp_m->hdr.dst_port));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
rte_be_to_cpu_16(udp_v->hdr.dst_port & udp_m->hdr.dst_port));
}
/**
* Add GRE optional Key item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_gre_key(void *matcher, void *key,
const struct rte_flow_item *item)
{
const rte_be32_t *key_m = item->mask;
const rte_be32_t *key_v = item->spec;
void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
rte_be32_t gre_key_default_mask = RTE_BE32(UINT32_MAX);
/* GRE K bit must be on and should already be validated */
MLX5_SET(fte_match_set_misc, misc_m, gre_k_present, 1);
MLX5_SET(fte_match_set_misc, misc_v, gre_k_present, 1);
if (!key_v)
return;
if (!key_m)
key_m = &gre_key_default_mask;
MLX5_SET(fte_match_set_misc, misc_m, gre_key_h,
rte_be_to_cpu_32(*key_m) >> 8);
MLX5_SET(fte_match_set_misc, misc_v, gre_key_h,
rte_be_to_cpu_32((*key_v) & (*key_m)) >> 8);
MLX5_SET(fte_match_set_misc, misc_m, gre_key_l,
rte_be_to_cpu_32(*key_m) & 0xFF);
MLX5_SET(fte_match_set_misc, misc_v, gre_key_l,
rte_be_to_cpu_32((*key_v) & (*key_m)) & 0xFF);
}
/**
* Add GRE item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] pattern_flags
* Accumulated pattern flags.
*/
static void
flow_dv_translate_item_gre(void *matcher, void *key,
const struct rte_flow_item *item,
uint64_t pattern_flags)
{
static const struct rte_flow_item_gre empty_gre = {0,};
const struct rte_flow_item_gre *gre_m = item->mask;
const struct rte_flow_item_gre *gre_v = item->spec;
void *headers_m = MLX5_ADDR_OF(fte_match_param, matcher, outer_headers);
void *headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
struct {
union {
__extension__
struct {
uint16_t version:3;
uint16_t rsvd0:9;
uint16_t s_present:1;
uint16_t k_present:1;
uint16_t rsvd_bit1:1;
uint16_t c_present:1;
};
uint16_t value;
};
} gre_crks_rsvd0_ver_m, gre_crks_rsvd0_ver_v;
uint16_t protocol_m, protocol_v;
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xff);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_GRE);
if (!gre_v) {
gre_v = &empty_gre;
gre_m = &empty_gre;
} else {
if (!gre_m)
gre_m = &rte_flow_item_gre_mask;
}
gre_crks_rsvd0_ver_m.value = rte_be_to_cpu_16(gre_m->c_rsvd0_ver);
gre_crks_rsvd0_ver_v.value = rte_be_to_cpu_16(gre_v->c_rsvd0_ver);
MLX5_SET(fte_match_set_misc, misc_m, gre_c_present,
gre_crks_rsvd0_ver_m.c_present);
MLX5_SET(fte_match_set_misc, misc_v, gre_c_present,
gre_crks_rsvd0_ver_v.c_present &
gre_crks_rsvd0_ver_m.c_present);
MLX5_SET(fte_match_set_misc, misc_m, gre_k_present,
gre_crks_rsvd0_ver_m.k_present);
MLX5_SET(fte_match_set_misc, misc_v, gre_k_present,
gre_crks_rsvd0_ver_v.k_present &
gre_crks_rsvd0_ver_m.k_present);
MLX5_SET(fte_match_set_misc, misc_m, gre_s_present,
gre_crks_rsvd0_ver_m.s_present);
MLX5_SET(fte_match_set_misc, misc_v, gre_s_present,
gre_crks_rsvd0_ver_v.s_present &
gre_crks_rsvd0_ver_m.s_present);
protocol_m = rte_be_to_cpu_16(gre_m->protocol);
protocol_v = rte_be_to_cpu_16(gre_v->protocol);
if (!protocol_m) {
/* Force next protocol to prevent matchers duplication */
protocol_v = mlx5_translate_tunnel_etypes(pattern_flags);
if (protocol_v)
protocol_m = 0xFFFF;
}
MLX5_SET(fte_match_set_misc, misc_m, gre_protocol, protocol_m);
MLX5_SET(fte_match_set_misc, misc_v, gre_protocol,
protocol_m & protocol_v);
}
/**
* Add NVGRE item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] pattern_flags
* Accumulated pattern flags.
*/
static void
flow_dv_translate_item_nvgre(void *matcher, void *key,
const struct rte_flow_item *item,
unsigned long pattern_flags)
{
const struct rte_flow_item_nvgre *nvgre_m = item->mask;
const struct rte_flow_item_nvgre *nvgre_v = item->spec;
void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
const char *tni_flow_id_m;
const char *tni_flow_id_v;
char *gre_key_m;
char *gre_key_v;
int size;
int i;
/* For NVGRE, GRE header fields must be set with defined values. */
const struct rte_flow_item_gre gre_spec = {
.c_rsvd0_ver = RTE_BE16(0x2000),
.protocol = RTE_BE16(RTE_ETHER_TYPE_TEB)
};
const struct rte_flow_item_gre gre_mask = {
.c_rsvd0_ver = RTE_BE16(0xB000),
.protocol = RTE_BE16(UINT16_MAX),
};
const struct rte_flow_item gre_item = {
.spec = &gre_spec,
.mask = &gre_mask,
.last = NULL,
};
flow_dv_translate_item_gre(matcher, key, &gre_item, pattern_flags);
if (!nvgre_v)
return;
if (!nvgre_m)
nvgre_m = &rte_flow_item_nvgre_mask;
tni_flow_id_m = (const char *)nvgre_m->tni;
tni_flow_id_v = (const char *)nvgre_v->tni;
size = sizeof(nvgre_m->tni) + sizeof(nvgre_m->flow_id);
gre_key_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, gre_key_h);
gre_key_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, gre_key_h);
memcpy(gre_key_m, tni_flow_id_m, size);
for (i = 0; i < size; ++i)
gre_key_v[i] = gre_key_m[i] & tni_flow_id_v[i];
}
/**
* Add VXLAN item to matcher and to the value.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] attr
* Flow rule attributes.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_vxlan(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
void *matcher, void *key,
const struct rte_flow_item *item,
int inner)
{
const struct rte_flow_item_vxlan *vxlan_m = item->mask;
const struct rte_flow_item_vxlan *vxlan_v = item->spec;
void *headers_m;
void *headers_v;
void *misc5_m;
void *misc5_v;
uint32_t *tunnel_header_v;
uint32_t *tunnel_header_m;
uint16_t dport;
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_item_vxlan nic_mask = {
.vni = "\xff\xff\xff",
.rsvd1 = 0xff,
};
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
dport = item->type == RTE_FLOW_ITEM_TYPE_VXLAN ?
MLX5_UDP_PORT_VXLAN : MLX5_UDP_PORT_VXLAN_GPE;
if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
}
dport = MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport);
if (!vxlan_v)
return;
if (!vxlan_m) {
if ((!attr->group && !priv->sh->tunnel_header_0_1) ||
(attr->group && !priv->sh->misc5_cap))
vxlan_m = &rte_flow_item_vxlan_mask;
else
vxlan_m = &nic_mask;
}
if ((priv->sh->steering_format_version ==
MLX5_STEERING_LOGIC_FORMAT_CONNECTX_5 &&
dport != MLX5_UDP_PORT_VXLAN) ||
(!attr->group && !attr->transfer && !priv->sh->tunnel_header_0_1) ||
((attr->group || attr->transfer) && !priv->sh->misc5_cap)) {
void *misc_m;
void *misc_v;
char *vni_m;
char *vni_v;
int size;
int i;
misc_m = MLX5_ADDR_OF(fte_match_param,
matcher, misc_parameters);
misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
size = sizeof(vxlan_m->vni);
vni_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, vxlan_vni);
vni_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, vxlan_vni);
memcpy(vni_m, vxlan_m->vni, size);
for (i = 0; i < size; ++i)
vni_v[i] = vni_m[i] & vxlan_v->vni[i];
return;
}
misc5_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters_5);
misc5_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_5);
tunnel_header_v = (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc5,
misc5_v,
tunnel_header_1);
tunnel_header_m = (uint32_t *)MLX5_ADDR_OF(fte_match_set_misc5,
misc5_m,
tunnel_header_1);
*tunnel_header_v = (vxlan_v->vni[0] & vxlan_m->vni[0]) |
(vxlan_v->vni[1] & vxlan_m->vni[1]) << 8 |
(vxlan_v->vni[2] & vxlan_m->vni[2]) << 16;
if (*tunnel_header_v)
*tunnel_header_m = vxlan_m->vni[0] |
vxlan_m->vni[1] << 8 |
vxlan_m->vni[2] << 16;
else
*tunnel_header_m = 0x0;
*tunnel_header_v |= (vxlan_v->rsvd1 & vxlan_m->rsvd1) << 24;
if (vxlan_v->rsvd1 & vxlan_m->rsvd1)
*tunnel_header_m |= vxlan_m->rsvd1 << 24;
}
/**
* Add VXLAN-GPE item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_vxlan_gpe(void *matcher, void *key,
const struct rte_flow_item *item,
const uint64_t pattern_flags)
{
static const struct rte_flow_item_vxlan_gpe dummy_vxlan_gpe_hdr = {0, };
const struct rte_flow_item_vxlan_gpe *vxlan_m = item->mask;
const struct rte_flow_item_vxlan_gpe *vxlan_v = item->spec;
/* The item was validated to be on the outer side */
void *headers_m = MLX5_ADDR_OF(fte_match_param, matcher, outer_headers);
void *headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
void *misc_m =
MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters_3);
void *misc_v =
MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
char *vni_m =
MLX5_ADDR_OF(fte_match_set_misc3, misc_m, outer_vxlan_gpe_vni);
char *vni_v =
MLX5_ADDR_OF(fte_match_set_misc3, misc_v, outer_vxlan_gpe_vni);
int i, size = sizeof(vxlan_m->vni);
uint8_t flags_m = 0xff;
uint8_t flags_v = 0xc;
uint8_t m_protocol, v_protocol;
if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
MLX5_UDP_PORT_VXLAN_GPE);
}
if (!vxlan_v) {
vxlan_v = &dummy_vxlan_gpe_hdr;
vxlan_m = &dummy_vxlan_gpe_hdr;
} else {
if (!vxlan_m)
vxlan_m = &rte_flow_item_vxlan_gpe_mask;
}
memcpy(vni_m, vxlan_m->vni, size);
for (i = 0; i < size; ++i)
vni_v[i] = vni_m[i] & vxlan_v->vni[i];
if (vxlan_m->flags) {
flags_m = vxlan_m->flags;
flags_v = vxlan_v->flags;
}
MLX5_SET(fte_match_set_misc3, misc_m, outer_vxlan_gpe_flags, flags_m);
MLX5_SET(fte_match_set_misc3, misc_v, outer_vxlan_gpe_flags, flags_v);
m_protocol = vxlan_m->protocol;
v_protocol = vxlan_v->protocol;
if (!m_protocol) {
/* Force next protocol to ensure next headers parsing. */
if (pattern_flags & MLX5_FLOW_LAYER_INNER_L2)
v_protocol = RTE_VXLAN_GPE_TYPE_ETH;
else if (pattern_flags & MLX5_FLOW_LAYER_INNER_L3_IPV4)
v_protocol = RTE_VXLAN_GPE_TYPE_IPV4;
else if (pattern_flags & MLX5_FLOW_LAYER_INNER_L3_IPV6)
v_protocol = RTE_VXLAN_GPE_TYPE_IPV6;
if (v_protocol)
m_protocol = 0xFF;
}
MLX5_SET(fte_match_set_misc3, misc_m,
outer_vxlan_gpe_next_protocol, m_protocol);
MLX5_SET(fte_match_set_misc3, misc_v,
outer_vxlan_gpe_next_protocol, m_protocol & v_protocol);
}
/**
* Add Geneve item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_geneve(void *matcher, void *key,
const struct rte_flow_item *item,
uint64_t pattern_flags)
{
static const struct rte_flow_item_geneve empty_geneve = {0,};
const struct rte_flow_item_geneve *geneve_m = item->mask;
const struct rte_flow_item_geneve *geneve_v = item->spec;
/* GENEVE flow item validation allows single tunnel item */
void *headers_m = MLX5_ADDR_OF(fte_match_param, matcher, outer_headers);
void *headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
uint16_t gbhdr_m;
uint16_t gbhdr_v;
char *vni_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, geneve_vni);
char *vni_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, geneve_vni);
size_t size = sizeof(geneve_m->vni), i;
uint16_t protocol_m, protocol_v;
if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
MLX5_UDP_PORT_GENEVE);
}
if (!geneve_v) {
geneve_v = &empty_geneve;
geneve_m = &empty_geneve;
} else {
if (!geneve_m)
geneve_m = &rte_flow_item_geneve_mask;
}
memcpy(vni_m, geneve_m->vni, size);
for (i = 0; i < size; ++i)
vni_v[i] = vni_m[i] & geneve_v->vni[i];
gbhdr_m = rte_be_to_cpu_16(geneve_m->ver_opt_len_o_c_rsvd0);
gbhdr_v = rte_be_to_cpu_16(geneve_v->ver_opt_len_o_c_rsvd0);
MLX5_SET(fte_match_set_misc, misc_m, geneve_oam,
MLX5_GENEVE_OAMF_VAL(gbhdr_m));
MLX5_SET(fte_match_set_misc, misc_v, geneve_oam,
MLX5_GENEVE_OAMF_VAL(gbhdr_v) & MLX5_GENEVE_OAMF_VAL(gbhdr_m));
MLX5_SET(fte_match_set_misc, misc_m, geneve_opt_len,
MLX5_GENEVE_OPTLEN_VAL(gbhdr_m));
MLX5_SET(fte_match_set_misc, misc_v, geneve_opt_len,
MLX5_GENEVE_OPTLEN_VAL(gbhdr_v) &
MLX5_GENEVE_OPTLEN_VAL(gbhdr_m));
protocol_m = rte_be_to_cpu_16(geneve_m->protocol);
protocol_v = rte_be_to_cpu_16(geneve_v->protocol);
if (!protocol_m) {
/* Force next protocol to prevent matchers duplication */
protocol_v = mlx5_translate_tunnel_etypes(pattern_flags);
if (protocol_v)
protocol_m = 0xFFFF;
}
MLX5_SET(fte_match_set_misc, misc_m, geneve_protocol_type, protocol_m);
MLX5_SET(fte_match_set_misc, misc_v, geneve_protocol_type,
protocol_m & protocol_v);
}
/**
* Create Geneve TLV option resource.
*
* @param dev[in, out]
* Pointer to rte_eth_dev structure.
* @param[in, out] tag_be24
* Tag value in big endian then R-shift 8.
* @parm[in, out] dev_flow
* Pointer to the dev_flow.
* @param[out] error
* pointer to error structure.
*
* @return
* 0 on success otherwise -errno and errno is set.
*/
int
flow_dev_geneve_tlv_option_resource_register(struct rte_eth_dev *dev,
const struct rte_flow_item *item,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
struct mlx5_geneve_tlv_option_resource *geneve_opt_resource =
sh->geneve_tlv_option_resource;
struct mlx5_devx_obj *obj;
const struct rte_flow_item_geneve_opt *geneve_opt_v = item->spec;
int ret = 0;
if (!geneve_opt_v)
return -1;
rte_spinlock_lock(&sh->geneve_tlv_opt_sl);
if (geneve_opt_resource != NULL) {
if (geneve_opt_resource->option_class ==
geneve_opt_v->option_class &&
geneve_opt_resource->option_type ==
geneve_opt_v->option_type &&
geneve_opt_resource->length ==
geneve_opt_v->option_len) {
/* We already have GENEVE TLV option obj allocated. */
__atomic_fetch_add(&geneve_opt_resource->refcnt, 1,
__ATOMIC_RELAXED);
} else {
ret = rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"Only one GENEVE TLV option supported");
goto exit;
}
} else {
/* Create a GENEVE TLV object and resource. */
obj = mlx5_devx_cmd_create_geneve_tlv_option(sh->cdev->ctx,
geneve_opt_v->option_class,
geneve_opt_v->option_type,
geneve_opt_v->option_len);
if (!obj) {
ret = rte_flow_error_set(error, ENODATA,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"Failed to create GENEVE TLV Devx object");
goto exit;
}
sh->geneve_tlv_option_resource =
mlx5_malloc(MLX5_MEM_ZERO,
sizeof(*geneve_opt_resource),
0, SOCKET_ID_ANY);
if (!sh->geneve_tlv_option_resource) {
claim_zero(mlx5_devx_cmd_destroy(obj));
ret = rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"GENEVE TLV object memory allocation failed");
goto exit;
}
geneve_opt_resource = sh->geneve_tlv_option_resource;
geneve_opt_resource->obj = obj;
geneve_opt_resource->option_class = geneve_opt_v->option_class;
geneve_opt_resource->option_type = geneve_opt_v->option_type;
geneve_opt_resource->length = geneve_opt_v->option_len;
__atomic_store_n(&geneve_opt_resource->refcnt, 1,
__ATOMIC_RELAXED);
}
exit:
rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
return ret;
}
/**
* Add Geneve TLV option item to matcher.
*
* @param[in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[out] error
* Pointer to error structure.
*/
static int
flow_dv_translate_item_geneve_opt(struct rte_eth_dev *dev, void *matcher,
void *key, const struct rte_flow_item *item,
struct rte_flow_error *error)
{
const struct rte_flow_item_geneve_opt *geneve_opt_m = item->mask;
const struct rte_flow_item_geneve_opt *geneve_opt_v = item->spec;
void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
misc_parameters_3);
void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
rte_be32_t opt_data_key = 0, opt_data_mask = 0;
int ret = 0;
if (!geneve_opt_v)
return -1;
if (!geneve_opt_m)
geneve_opt_m = &rte_flow_item_geneve_opt_mask;
ret = flow_dev_geneve_tlv_option_resource_register(dev, item,
error);
if (ret) {
DRV_LOG(ERR, "Failed to create geneve_tlv_obj");
return ret;
}
/*
* Set the option length in GENEVE header if not requested.
* The GENEVE TLV option length is expressed by the option length field
* in the GENEVE header.
* If the option length was not requested but the GENEVE TLV option item
* is present we set the option length field implicitly.
*/
if (!MLX5_GET16(fte_match_set_misc, misc_m, geneve_opt_len)) {
MLX5_SET(fte_match_set_misc, misc_m, geneve_opt_len,
MLX5_GENEVE_OPTLEN_MASK);
MLX5_SET(fte_match_set_misc, misc_v, geneve_opt_len,
geneve_opt_v->option_len + 1);
}
MLX5_SET(fte_match_set_misc, misc_m, geneve_tlv_option_0_exist, 1);
MLX5_SET(fte_match_set_misc, misc_v, geneve_tlv_option_0_exist, 1);
/* Set the data. */
if (geneve_opt_v->data) {
memcpy(&opt_data_key, geneve_opt_v->data,
RTE_MIN((uint32_t)(geneve_opt_v->option_len * 4),
sizeof(opt_data_key)));
MLX5_ASSERT((uint32_t)(geneve_opt_v->option_len * 4) <=
sizeof(opt_data_key));
memcpy(&opt_data_mask, geneve_opt_m->data,
RTE_MIN((uint32_t)(geneve_opt_v->option_len * 4),
sizeof(opt_data_mask)));
MLX5_ASSERT((uint32_t)(geneve_opt_v->option_len * 4) <=
sizeof(opt_data_mask));
MLX5_SET(fte_match_set_misc3, misc3_m,
geneve_tlv_option_0_data,
rte_be_to_cpu_32(opt_data_mask));
MLX5_SET(fte_match_set_misc3, misc3_v,
geneve_tlv_option_0_data,
rte_be_to_cpu_32(opt_data_key & opt_data_mask));
}
return ret;
}
/**
* Add MPLS item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] prev_layer
* The protocol layer indicated in previous item.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_mpls(void *matcher, void *key,
const struct rte_flow_item *item,
uint64_t prev_layer,
int inner)
{
const uint32_t *in_mpls_m = item->mask;
const uint32_t *in_mpls_v = item->spec;
uint32_t *out_mpls_m = 0;
uint32_t *out_mpls_v = 0;
void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
void *misc2_m = MLX5_ADDR_OF(fte_match_param, matcher,
misc_parameters_2);
void *misc2_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_2);
void *headers_m = MLX5_ADDR_OF(fte_match_param, matcher, outer_headers);
void *headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
switch (prev_layer) {
case MLX5_FLOW_LAYER_OUTER_L4_UDP:
if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport,
0xffff);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
MLX5_UDP_PORT_MPLS);
}
break;
case MLX5_FLOW_LAYER_GRE:
/* Fall-through. */
case MLX5_FLOW_LAYER_GRE_KEY:
if (!MLX5_GET16(fte_match_set_misc, misc_v, gre_protocol)) {
MLX5_SET(fte_match_set_misc, misc_m, gre_protocol,
0xffff);
MLX5_SET(fte_match_set_misc, misc_v, gre_protocol,
RTE_ETHER_TYPE_MPLS);
}
break;
default:
break;
}
if (!in_mpls_v)
return;
if (!in_mpls_m)
in_mpls_m = (const uint32_t *)&rte_flow_item_mpls_mask;
switch (prev_layer) {
case MLX5_FLOW_LAYER_OUTER_L4_UDP:
out_mpls_m =
(uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_m,
outer_first_mpls_over_udp);
out_mpls_v =
(uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_v,
outer_first_mpls_over_udp);
break;
case MLX5_FLOW_LAYER_GRE:
out_mpls_m =
(uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_m,
outer_first_mpls_over_gre);
out_mpls_v =
(uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2, misc2_v,
outer_first_mpls_over_gre);
break;
default:
/* Inner MPLS not over GRE is not supported. */
if (!inner) {
out_mpls_m =
(uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2,
misc2_m,
outer_first_mpls);
out_mpls_v =
(uint32_t *)MLX5_ADDR_OF(fte_match_set_misc2,
misc2_v,
outer_first_mpls);
}
break;
}
if (out_mpls_m && out_mpls_v) {
*out_mpls_m = *in_mpls_m;
*out_mpls_v = *in_mpls_v & *in_mpls_m;
}
}
/**
* Add metadata register item to matcher
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] reg_type
* Type of device metadata register
* @param[in] value
* Register value
* @param[in] mask
* Register mask
*/
static void
flow_dv_match_meta_reg(void *matcher, void *key,
enum modify_reg reg_type,
uint32_t data, uint32_t mask)
{
void *misc2_m =
MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters_2);
void *misc2_v =
MLX5_ADDR_OF(fte_match_param, key, misc_parameters_2);
uint32_t temp;
data &= mask;
switch (reg_type) {
case REG_A:
MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_a, mask);
MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_a, data);
break;
case REG_B:
MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_b, mask);
MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_b, data);
break;
case REG_C_0:
/*
* The metadata register C0 field might be divided into
* source vport index and META item value, we should set
* this field according to specified mask, not as whole one.
*/
temp = MLX5_GET(fte_match_set_misc2, misc2_m, metadata_reg_c_0);
temp |= mask;
MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_0, temp);
temp = MLX5_GET(fte_match_set_misc2, misc2_v, metadata_reg_c_0);
temp &= ~mask;
temp |= data;
MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_0, temp);
break;
case REG_C_1:
MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_1, mask);
MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_1, data);
break;
case REG_C_2:
MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_2, mask);
MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_2, data);
break;
case REG_C_3:
MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_3, mask);
MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_3, data);
break;
case REG_C_4:
MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_4, mask);
MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_4, data);
break;
case REG_C_5:
MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_5, mask);
MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_5, data);
break;
case REG_C_6:
MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_6, mask);
MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_6, data);
break;
case REG_C_7:
MLX5_SET(fte_match_set_misc2, misc2_m, metadata_reg_c_7, mask);
MLX5_SET(fte_match_set_misc2, misc2_v, metadata_reg_c_7, data);
break;
default:
MLX5_ASSERT(false);
break;
}
}
/**
* Add MARK item to matcher
*
* @param[in] dev
* The device to configure through.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
*/
static void
flow_dv_translate_item_mark(struct rte_eth_dev *dev,
void *matcher, void *key,
const struct rte_flow_item *item)
{
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_item_mark *mark;
uint32_t value;
uint32_t mask;
mark = item->mask ? (const void *)item->mask :
&rte_flow_item_mark_mask;
mask = mark->id & priv->sh->dv_mark_mask;
mark = (const void *)item->spec;
MLX5_ASSERT(mark);
value = mark->id & priv->sh->dv_mark_mask & mask;
if (mask) {
enum modify_reg reg;
/* Get the metadata register index for the mark. */
reg = mlx5_flow_get_reg_id(dev, MLX5_FLOW_MARK, 0, NULL);
MLX5_ASSERT(reg > 0);
if (reg == REG_C_0) {
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t msk_c0 = priv->sh->dv_regc0_mask;
uint32_t shl_c0 = rte_bsf32(msk_c0);
mask &= msk_c0;
mask <<= shl_c0;
value <<= shl_c0;
}
flow_dv_match_meta_reg(matcher, key, reg, value, mask);
}
}
/**
* Add META item to matcher
*
* @param[in] dev
* The devich to configure through.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] attr
* Attributes of flow that includes this item.
* @param[in] item
* Flow pattern to translate.
*/
static void
flow_dv_translate_item_meta(struct rte_eth_dev *dev,
void *matcher, void *key,
const struct rte_flow_attr *attr,
const struct rte_flow_item *item)
{
const struct rte_flow_item_meta *meta_m;
const struct rte_flow_item_meta *meta_v;
meta_m = (const void *)item->mask;
if (!meta_m)
meta_m = &rte_flow_item_meta_mask;
meta_v = (const void *)item->spec;
if (meta_v) {
int reg;
uint32_t value = meta_v->data;
uint32_t mask = meta_m->data;
reg = flow_dv_get_metadata_reg(dev, attr, NULL);
if (reg < 0)
return;
MLX5_ASSERT(reg != REG_NON);
if (reg == REG_C_0) {
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t msk_c0 = priv->sh->dv_regc0_mask;
uint32_t shl_c0 = rte_bsf32(msk_c0);
mask &= msk_c0;
mask <<= shl_c0;
value <<= shl_c0;
}
flow_dv_match_meta_reg(matcher, key, reg, value, mask);
}
}
/**
* Add vport metadata Reg C0 item to matcher
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] reg
* Flow pattern to translate.
*/
static void
flow_dv_translate_item_meta_vport(void *matcher, void *key,
uint32_t value, uint32_t mask)
{
flow_dv_match_meta_reg(matcher, key, REG_C_0, value, mask);
}
/**
* Add tag item to matcher
*
* @param[in] dev
* The devich to configure through.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
*/
static void
flow_dv_translate_mlx5_item_tag(struct rte_eth_dev *dev,
void *matcher, void *key,
const struct rte_flow_item *item)
{
const struct mlx5_rte_flow_item_tag *tag_v = item->spec;
const struct mlx5_rte_flow_item_tag *tag_m = item->mask;
uint32_t mask, value;
MLX5_ASSERT(tag_v);
value = tag_v->data;
mask = tag_m ? tag_m->data : UINT32_MAX;
if (tag_v->id == REG_C_0) {
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t msk_c0 = priv->sh->dv_regc0_mask;
uint32_t shl_c0 = rte_bsf32(msk_c0);
mask &= msk_c0;
mask <<= shl_c0;
value <<= shl_c0;
}
flow_dv_match_meta_reg(matcher, key, tag_v->id, value, mask);
}
/**
* Add TAG item to matcher
*
* @param[in] dev
* The devich to configure through.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
*/
static void
flow_dv_translate_item_tag(struct rte_eth_dev *dev,
void *matcher, void *key,
const struct rte_flow_item *item)
{
const struct rte_flow_item_tag *tag_v = item->spec;
const struct rte_flow_item_tag *tag_m = item->mask;
enum modify_reg reg;
MLX5_ASSERT(tag_v);
tag_m = tag_m ? tag_m : &rte_flow_item_tag_mask;
/* Get the metadata register index for the tag. */
reg = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, tag_v->index, NULL);
MLX5_ASSERT(reg > 0);
flow_dv_match_meta_reg(matcher, key, reg, tag_v->data, tag_m->data);
}
/**
* Add source vport match to the specified matcher.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] port
* Source vport value to match
* @param[in] mask
* Mask
*/
static void
flow_dv_translate_item_source_vport(void *matcher, void *key,
int16_t port, uint16_t mask)
{
void *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
MLX5_SET(fte_match_set_misc, misc_m, source_port, mask);
MLX5_SET(fte_match_set_misc, misc_v, source_port, port);
}
/**
* Translate port-id item to eswitch match on port-id.
*
* @param[in] dev
* The devich to configure through.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in]
* Flow attributes.
*
* @return
* 0 on success, a negative errno value otherwise.
*/
static int
flow_dv_translate_item_port_id(struct rte_eth_dev *dev, void *matcher,
void *key, const struct rte_flow_item *item,
const struct rte_flow_attr *attr)
{
const struct rte_flow_item_port_id *pid_m = item ? item->mask : NULL;
const struct rte_flow_item_port_id *pid_v = item ? item->spec : NULL;
struct mlx5_priv *priv;
uint16_t mask, id;
if (pid_v && pid_v->id == MLX5_PORT_ESW_MGR) {
flow_dv_translate_item_source_vport(matcher, key,
flow_dv_get_esw_manager_vport_id(dev), 0xffff);
return 0;
}
mask = pid_m ? pid_m->id : 0xffff;
id = pid_v ? pid_v->id : dev->data->port_id;
priv = mlx5_port_to_eswitch_info(id, item == NULL);
if (!priv)
return -rte_errno;
/*
* Translate to vport field or to metadata, depending on mode.
* Kernel can use either misc.source_port or half of C0 metadata
* register.
*/
if (priv->vport_meta_mask) {
/*
* Provide the hint for SW steering library
* to insert the flow into ingress domain and
* save the extra vport match.
*/
if (mask == 0xffff && priv->vport_id == 0xffff &&
priv->pf_bond < 0 && attr->transfer)
flow_dv_translate_item_source_vport
(matcher, key, priv->vport_id, mask);
/*
* We should always set the vport metadata register,
* otherwise the SW steering library can drop
* the rule if wire vport metadata value is not zero,
* it depends on kernel configuration.
*/
flow_dv_translate_item_meta_vport(matcher, key,
priv->vport_meta_tag,
priv->vport_meta_mask);
} else {
flow_dv_translate_item_source_vport(matcher, key,
priv->vport_id, mask);
}
return 0;
}
/**
* Add ICMP6 item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_icmp6(void *matcher, void *key,
const struct rte_flow_item *item,
int inner)
{
const struct rte_flow_item_icmp6 *icmp6_m = item->mask;
const struct rte_flow_item_icmp6 *icmp6_v = item->spec;
void *headers_m;
void *headers_v;
void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
misc_parameters_3);
void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xFF);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_ICMPV6);
if (!icmp6_v)
return;
if (!icmp6_m)
icmp6_m = &rte_flow_item_icmp6_mask;
MLX5_SET(fte_match_set_misc3, misc3_m, icmpv6_type, icmp6_m->type);
MLX5_SET(fte_match_set_misc3, misc3_v, icmpv6_type,
icmp6_v->type & icmp6_m->type);
MLX5_SET(fte_match_set_misc3, misc3_m, icmpv6_code, icmp6_m->code);
MLX5_SET(fte_match_set_misc3, misc3_v, icmpv6_code,
icmp6_v->code & icmp6_m->code);
}
/**
* Add ICMP item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_icmp(void *matcher, void *key,
const struct rte_flow_item *item,
int inner)
{
const struct rte_flow_item_icmp *icmp_m = item->mask;
const struct rte_flow_item_icmp *icmp_v = item->spec;
uint32_t icmp_header_data_m = 0;
uint32_t icmp_header_data_v = 0;
void *headers_m;
void *headers_v;
void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
misc_parameters_3);
void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ip_protocol, 0xFF);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_ICMP);
if (!icmp_v)
return;
if (!icmp_m)
icmp_m = &rte_flow_item_icmp_mask;
MLX5_SET(fte_match_set_misc3, misc3_m, icmp_type,
icmp_m->hdr.icmp_type);
MLX5_SET(fte_match_set_misc3, misc3_v, icmp_type,
icmp_v->hdr.icmp_type & icmp_m->hdr.icmp_type);
MLX5_SET(fte_match_set_misc3, misc3_m, icmp_code,
icmp_m->hdr.icmp_code);
MLX5_SET(fte_match_set_misc3, misc3_v, icmp_code,
icmp_v->hdr.icmp_code & icmp_m->hdr.icmp_code);
icmp_header_data_m = rte_be_to_cpu_16(icmp_m->hdr.icmp_seq_nb);
icmp_header_data_m |= rte_be_to_cpu_16(icmp_m->hdr.icmp_ident) << 16;
if (icmp_header_data_m) {
icmp_header_data_v = rte_be_to_cpu_16(icmp_v->hdr.icmp_seq_nb);
icmp_header_data_v |=
rte_be_to_cpu_16(icmp_v->hdr.icmp_ident) << 16;
MLX5_SET(fte_match_set_misc3, misc3_m, icmp_header_data,
icmp_header_data_m);
MLX5_SET(fte_match_set_misc3, misc3_v, icmp_header_data,
icmp_header_data_v & icmp_header_data_m);
}
}
/**
* Add GTP item to matcher and to the value.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_gtp(void *matcher, void *key,
const struct rte_flow_item *item, int inner)
{
const struct rte_flow_item_gtp *gtp_m = item->mask;
const struct rte_flow_item_gtp *gtp_v = item->spec;
void *headers_m;
void *headers_v;
void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
misc_parameters_3);
void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
uint16_t dport = RTE_GTPU_UDP_PORT;
if (inner) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
} else {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
}
if (!MLX5_GET16(fte_match_set_lyr_2_4, headers_v, udp_dport)) {
MLX5_SET(fte_match_set_lyr_2_4, headers_m, udp_dport, 0xFFFF);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, dport);
}
if (!gtp_v)
return;
if (!gtp_m)
gtp_m = &rte_flow_item_gtp_mask;
MLX5_SET(fte_match_set_misc3, misc3_m, gtpu_msg_flags,
gtp_m->v_pt_rsv_flags);
MLX5_SET(fte_match_set_misc3, misc3_v, gtpu_msg_flags,
gtp_v->v_pt_rsv_flags & gtp_m->v_pt_rsv_flags);
MLX5_SET(fte_match_set_misc3, misc3_m, gtpu_msg_type, gtp_m->msg_type);
MLX5_SET(fte_match_set_misc3, misc3_v, gtpu_msg_type,
gtp_v->msg_type & gtp_m->msg_type);
MLX5_SET(fte_match_set_misc3, misc3_m, gtpu_teid,
rte_be_to_cpu_32(gtp_m->teid));
MLX5_SET(fte_match_set_misc3, misc3_v, gtpu_teid,
rte_be_to_cpu_32(gtp_v->teid & gtp_m->teid));
}
/**
* Add GTP PSC item to matcher.
*
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
*/
static int
flow_dv_translate_item_gtp_psc(void *matcher, void *key,
const struct rte_flow_item *item)
{
const struct rte_flow_item_gtp_psc *gtp_psc_m = item->mask;
const struct rte_flow_item_gtp_psc *gtp_psc_v = item->spec;
void *misc3_m = MLX5_ADDR_OF(fte_match_param, matcher,
misc_parameters_3);
void *misc3_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_3);
union {
uint32_t w32;
struct {
uint16_t seq_num;
uint8_t npdu_num;
uint8_t next_ext_header_type;
};
} dw_2;
uint8_t gtp_flags;
/* Always set E-flag match on one, regardless of GTP item settings. */
gtp_flags = MLX5_GET(fte_match_set_misc3, misc3_m, gtpu_msg_flags);
gtp_flags |= MLX5_GTP_EXT_HEADER_FLAG;
MLX5_SET(fte_match_set_misc3, misc3_m, gtpu_msg_flags, gtp_flags);
gtp_flags = MLX5_GET(fte_match_set_misc3, misc3_v, gtpu_msg_flags);
gtp_flags |= MLX5_GTP_EXT_HEADER_FLAG;
MLX5_SET(fte_match_set_misc3, misc3_v, gtpu_msg_flags, gtp_flags);
/*Set next extension header type. */
dw_2.seq_num = 0;
dw_2.npdu_num = 0;
dw_2.next_ext_header_type = 0xff;
MLX5_SET(fte_match_set_misc3, misc3_m, gtpu_dw_2,
rte_cpu_to_be_32(dw_2.w32));
dw_2.seq_num = 0;
dw_2.npdu_num = 0;
dw_2.next_ext_header_type = 0x85;
MLX5_SET(fte_match_set_misc3, misc3_v, gtpu_dw_2,
rte_cpu_to_be_32(dw_2.w32));
if (gtp_psc_v) {
union {
uint32_t w32;
struct {
uint8_t len;
uint8_t type_flags;
uint8_t qfi;
uint8_t reserved;
};
} dw_0;
/*Set extension header PDU type and Qos. */
if (!gtp_psc_m)
gtp_psc_m = &rte_flow_item_gtp_psc_mask;
dw_0.w32 = 0;
dw_0.type_flags = MLX5_GTP_PDU_TYPE_SHIFT(gtp_psc_m->hdr.type);
dw_0.qfi = gtp_psc_m->hdr.qfi;
MLX5_SET(fte_match_set_misc3, misc3_m, gtpu_first_ext_dw_0,
rte_cpu_to_be_32(dw_0.w32));
dw_0.w32 = 0;
dw_0.type_flags = MLX5_GTP_PDU_TYPE_SHIFT(gtp_psc_v->hdr.type &
gtp_psc_m->hdr.type);
dw_0.qfi = gtp_psc_v->hdr.qfi & gtp_psc_m->hdr.qfi;
MLX5_SET(fte_match_set_misc3, misc3_v, gtpu_first_ext_dw_0,
rte_cpu_to_be_32(dw_0.w32));
}
return 0;
}
/**
* Add eCPRI item to matcher and to the value.
*
* @param[in] dev
* The devich to configure through.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] last_item
* Last item flags.
*/
static void
flow_dv_translate_item_ecpri(struct rte_eth_dev *dev, void *matcher,
void *key, const struct rte_flow_item *item,
uint64_t last_item)
{
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_item_ecpri *ecpri_m = item->mask;
const struct rte_flow_item_ecpri *ecpri_v = item->spec;
struct rte_ecpri_common_hdr common;
void *misc4_m = MLX5_ADDR_OF(fte_match_param, matcher,
misc_parameters_4);
void *misc4_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters_4);
uint32_t *samples;
void *dw_m;
void *dw_v;
/*
* In case of eCPRI over Ethernet, if EtherType is not specified,
* match on eCPRI EtherType implicitly.
*/
if (last_item & MLX5_FLOW_LAYER_OUTER_L2) {
void *hdrs_m, *hdrs_v, *l2m, *l2v;
hdrs_m = MLX5_ADDR_OF(fte_match_param, matcher, outer_headers);
hdrs_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
l2m = MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_m, ethertype);
l2v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, hdrs_v, ethertype);
if (*(uint16_t *)l2m == 0 && *(uint16_t *)l2v == 0) {
*(uint16_t *)l2m = UINT16_MAX;
*(uint16_t *)l2v = RTE_BE16(RTE_ETHER_TYPE_ECPRI);
}
}
if (!ecpri_v)
return;
if (!ecpri_m)
ecpri_m = &rte_flow_item_ecpri_mask;
/*
* Maximal four DW samples are supported in a single matching now.
* Two are used now for a eCPRI matching:
* 1. Type: one byte, mask should be 0x00ff0000 in network order
* 2. ID of a message: one or two bytes, mask 0xffff0000 or 0xff000000
* if any.
*/
if (!ecpri_m->hdr.common.u32)
return;
samples = priv->sh->ecpri_parser.ids;
/* Need to take the whole DW as the mask to fill the entry. */
dw_m = MLX5_ADDR_OF(fte_match_set_misc4, misc4_m,
prog_sample_field_value_0);
dw_v = MLX5_ADDR_OF(fte_match_set_misc4, misc4_v,
prog_sample_field_value_0);
/* Already big endian (network order) in the header. */
*(uint32_t *)dw_m = ecpri_m->hdr.common.u32;
*(uint32_t *)dw_v = ecpri_v->hdr.common.u32 & ecpri_m->hdr.common.u32;
/* Sample#0, used for matching type, offset 0. */
MLX5_SET(fte_match_set_misc4, misc4_m,
prog_sample_field_id_0, samples[0]);
/* It makes no sense to set the sample ID in the mask field. */
MLX5_SET(fte_match_set_misc4, misc4_v,
prog_sample_field_id_0, samples[0]);
/*
* Checking if message body part needs to be matched.
* Some wildcard rules only matching type field should be supported.
*/
if (ecpri_m->hdr.dummy[0]) {
common.u32 = rte_be_to_cpu_32(ecpri_v->hdr.common.u32);
switch (common.type) {
case RTE_ECPRI_MSG_TYPE_IQ_DATA:
case RTE_ECPRI_MSG_TYPE_RTC_CTRL:
case RTE_ECPRI_MSG_TYPE_DLY_MSR:
dw_m = MLX5_ADDR_OF(fte_match_set_misc4, misc4_m,
prog_sample_field_value_1);
dw_v = MLX5_ADDR_OF(fte_match_set_misc4, misc4_v,
prog_sample_field_value_1);
*(uint32_t *)dw_m = ecpri_m->hdr.dummy[0];
*(uint32_t *)dw_v = ecpri_v->hdr.dummy[0] &
ecpri_m->hdr.dummy[0];
/* Sample#1, to match message body, offset 4. */
MLX5_SET(fte_match_set_misc4, misc4_m,
prog_sample_field_id_1, samples[1]);
MLX5_SET(fte_match_set_misc4, misc4_v,
prog_sample_field_id_1, samples[1]);
break;
default:
/* Others, do not match any sample ID. */
break;
}
}
}
/*
* Add connection tracking status item to matcher
*
* @param[in] dev
* The devich to configure through.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
*/
static void
flow_dv_translate_item_aso_ct(struct rte_eth_dev *dev,
void *matcher, void *key,
const struct rte_flow_item *item)
{
uint32_t reg_value = 0;
int reg_id;
/* 8LSB 0b 11/0000/11, middle 4 bits are reserved. */
uint32_t reg_mask = 0;
const struct rte_flow_item_conntrack *spec = item->spec;
const struct rte_flow_item_conntrack *mask = item->mask;
uint32_t flags;
struct rte_flow_error error;
if (!mask)
mask = &rte_flow_item_conntrack_mask;
if (!spec || !mask->flags)
return;
flags = spec->flags & mask->flags;
/* The conflict should be checked in the validation. */
if (flags & RTE_FLOW_CONNTRACK_PKT_STATE_VALID)
reg_value |= MLX5_CT_SYNDROME_VALID;
if (flags & RTE_FLOW_CONNTRACK_PKT_STATE_CHANGED)
reg_value |= MLX5_CT_SYNDROME_STATE_CHANGE;
if (flags & RTE_FLOW_CONNTRACK_PKT_STATE_INVALID)
reg_value |= MLX5_CT_SYNDROME_INVALID;
if (flags & RTE_FLOW_CONNTRACK_PKT_STATE_DISABLED)
reg_value |= MLX5_CT_SYNDROME_TRAP;
if (flags & RTE_FLOW_CONNTRACK_PKT_STATE_BAD)
reg_value |= MLX5_CT_SYNDROME_BAD_PACKET;
if (mask->flags & (RTE_FLOW_CONNTRACK_PKT_STATE_VALID |
RTE_FLOW_CONNTRACK_PKT_STATE_INVALID |
RTE_FLOW_CONNTRACK_PKT_STATE_DISABLED))
reg_mask |= 0xc0;
if (mask->flags & RTE_FLOW_CONNTRACK_PKT_STATE_CHANGED)
reg_mask |= MLX5_CT_SYNDROME_STATE_CHANGE;
if (mask->flags & RTE_FLOW_CONNTRACK_PKT_STATE_BAD)
reg_mask |= MLX5_CT_SYNDROME_BAD_PACKET;
/* The REG_C_x value could be saved during startup. */
reg_id = mlx5_flow_get_reg_id(dev, MLX5_ASO_CONNTRACK, 0, &error);
if (reg_id == REG_NON)
return;
flow_dv_match_meta_reg(matcher, key, (enum modify_reg)reg_id,
reg_value, reg_mask);
}
static void
flow_dv_translate_item_flex(struct rte_eth_dev *dev, void *matcher, void *key,
const struct rte_flow_item *item,
struct mlx5_flow *dev_flow, bool is_inner)
{
const struct rte_flow_item_flex *spec =
(const struct rte_flow_item_flex *)item->spec;
int index = mlx5_flex_acquire_index(dev, spec->handle, false);
MLX5_ASSERT(index >= 0 && index <= (int)(sizeof(uint32_t) * CHAR_BIT));
if (index < 0)
return;
if (!(dev_flow->handle->flex_item & RTE_BIT32(index))) {
/* Don't count both inner and outer flex items in one rule. */
if (mlx5_flex_acquire_index(dev, spec->handle, true) != index)
MLX5_ASSERT(false);
dev_flow->handle->flex_item |= RTE_BIT32(index);
}
mlx5_flex_flow_translate_item(dev, matcher, key, item, is_inner);
}
static uint32_t matcher_zero[MLX5_ST_SZ_DW(fte_match_param)] = { 0 };
#define HEADER_IS_ZERO(match_criteria, headers) \
!(memcmp(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \
matcher_zero, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \
/**
* Calculate flow matcher enable bitmap.
*
* @param match_criteria
* Pointer to flow matcher criteria.
*
* @return
* Bitmap of enabled fields.
*/
static uint8_t
flow_dv_matcher_enable(uint32_t *match_criteria)
{
uint8_t match_criteria_enable;
match_criteria_enable =
(!HEADER_IS_ZERO(match_criteria, outer_headers)) <<
MLX5_MATCH_CRITERIA_ENABLE_OUTER_BIT;
match_criteria_enable |=
(!HEADER_IS_ZERO(match_criteria, misc_parameters)) <<
MLX5_MATCH_CRITERIA_ENABLE_MISC_BIT;
match_criteria_enable |=
(!HEADER_IS_ZERO(match_criteria, inner_headers)) <<
MLX5_MATCH_CRITERIA_ENABLE_INNER_BIT;
match_criteria_enable |=
(!HEADER_IS_ZERO(match_criteria, misc_parameters_2)) <<
MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT;
match_criteria_enable |=
(!HEADER_IS_ZERO(match_criteria, misc_parameters_3)) <<
MLX5_MATCH_CRITERIA_ENABLE_MISC3_BIT;
match_criteria_enable |=
(!HEADER_IS_ZERO(match_criteria, misc_parameters_4)) <<
MLX5_MATCH_CRITERIA_ENABLE_MISC4_BIT;
match_criteria_enable |=
(!HEADER_IS_ZERO(match_criteria, misc_parameters_5)) <<
MLX5_MATCH_CRITERIA_ENABLE_MISC5_BIT;
return match_criteria_enable;
}
static void
__flow_dv_adjust_buf_size(size_t *size, uint8_t match_criteria)
{
/*
* Check flow matching criteria first, subtract misc5/4 length if flow
* doesn't own misc5/4 parameters. In some old rdma-core releases,
* misc5/4 are not supported, and matcher creation failure is expected
* w/o subtraction. If misc5 is provided, misc4 must be counted in since
* misc5 is right after misc4.
*/
if (!(match_criteria & (1 << MLX5_MATCH_CRITERIA_ENABLE_MISC5_BIT))) {
*size = MLX5_ST_SZ_BYTES(fte_match_param) -
MLX5_ST_SZ_BYTES(fte_match_set_misc5);
if (!(match_criteria & (1 <<
MLX5_MATCH_CRITERIA_ENABLE_MISC4_BIT))) {
*size -= MLX5_ST_SZ_BYTES(fte_match_set_misc4);
}
}
}
static struct mlx5_list_entry *
flow_dv_matcher_clone_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry, void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_matcher *ref = ctx->data;
struct mlx5_flow_tbl_data_entry *tbl = container_of(ref->tbl,
typeof(*tbl), tbl);
struct mlx5_flow_dv_matcher *resource = mlx5_malloc(MLX5_MEM_ANY,
sizeof(*resource),
0, SOCKET_ID_ANY);
if (!resource) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot create matcher");
return NULL;
}
memcpy(resource, entry, sizeof(*resource));
resource->tbl = &tbl->tbl;
return &resource->entry;
}
static void
flow_dv_matcher_clone_free_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry)
{
mlx5_free(entry);
}
struct mlx5_list_entry *
flow_dv_tbl_create_cb(void *tool_ctx, void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct rte_eth_dev *dev = ctx->dev;
struct mlx5_flow_tbl_data_entry *tbl_data;
struct mlx5_flow_tbl_tunnel_prm *tt_prm = ctx->data2;
struct rte_flow_error *error = ctx->error;
union mlx5_flow_tbl_key key = { .v64 = *(uint64_t *)(ctx->data) };
struct mlx5_flow_tbl_resource *tbl;
void *domain;
uint32_t idx = 0;
int ret;
tbl_data = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_JUMP], &idx);
if (!tbl_data) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot allocate flow table data entry");
return NULL;
}
tbl_data->idx = idx;
tbl_data->tunnel = tt_prm->tunnel;
tbl_data->group_id = tt_prm->group_id;
tbl_data->external = !!tt_prm->external;
tbl_data->tunnel_offload = is_tunnel_offload_active(dev);
tbl_data->is_egress = !!key.is_egress;
tbl_data->is_transfer = !!key.is_fdb;
tbl_data->dummy = !!key.dummy;
tbl_data->level = key.level;
tbl_data->id = key.id;
tbl = &tbl_data->tbl;
if (key.dummy)
return &tbl_data->entry;
if (key.is_fdb)
domain = sh->fdb_domain;
else if (key.is_egress)
domain = sh->tx_domain;
else
domain = sh->rx_domain;
ret = mlx5_flow_os_create_flow_tbl(domain, key.level, &tbl->obj);
if (ret) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create flow table object");
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_JUMP], idx);
return NULL;
}
if (key.level != 0) {
ret = mlx5_flow_os_create_flow_action_dest_flow_tbl
(tbl->obj, &tbl_data->jump.action);
if (ret) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot create flow jump action");
mlx5_flow_os_destroy_flow_tbl(tbl->obj);
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_JUMP], idx);
return NULL;
}
}
MKSTR(matcher_name, "%s_%s_%u_%u_matcher_list",
key.is_fdb ? "FDB" : "NIC", key.is_egress ? "egress" : "ingress",
key.level, key.id);
tbl_data->matchers = mlx5_list_create(matcher_name, sh, true,
flow_dv_matcher_create_cb,
flow_dv_matcher_match_cb,
flow_dv_matcher_remove_cb,
flow_dv_matcher_clone_cb,
flow_dv_matcher_clone_free_cb);
if (!tbl_data->matchers) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot create tbl matcher list");
mlx5_flow_os_destroy_flow_action(tbl_data->jump.action);
mlx5_flow_os_destroy_flow_tbl(tbl->obj);
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_JUMP], idx);
return NULL;
}
return &tbl_data->entry;
}
int
flow_dv_tbl_match_cb(void *tool_ctx __rte_unused, struct mlx5_list_entry *entry,
void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_tbl_data_entry *tbl_data =
container_of(entry, struct mlx5_flow_tbl_data_entry, entry);
union mlx5_flow_tbl_key key = { .v64 = *(uint64_t *)(ctx->data) };
return tbl_data->level != key.level ||
tbl_data->id != key.id ||
tbl_data->dummy != key.dummy ||
tbl_data->is_transfer != !!key.is_fdb ||
tbl_data->is_egress != !!key.is_egress;
}
struct mlx5_list_entry *
flow_dv_tbl_clone_cb(void *tool_ctx, struct mlx5_list_entry *oentry,
void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_tbl_data_entry *tbl_data;
struct rte_flow_error *error = ctx->error;
uint32_t idx = 0;
tbl_data = mlx5_ipool_malloc(sh->ipool[MLX5_IPOOL_JUMP], &idx);
if (!tbl_data) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot allocate flow table data entry");
return NULL;
}
memcpy(tbl_data, oentry, sizeof(*tbl_data));
tbl_data->idx = idx;
return &tbl_data->entry;
}
void
flow_dv_tbl_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_tbl_data_entry *tbl_data =
container_of(entry, struct mlx5_flow_tbl_data_entry, entry);
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_JUMP], tbl_data->idx);
}
/**
* Get a flow table.
*
* @param[in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in] table_level
* Table level to use.
* @param[in] egress
* Direction of the table.
* @param[in] transfer
* E-Switch or NIC flow.
* @param[in] dummy
* Dummy entry for dv API.
* @param[in] table_id
* Table id to use.
* @param[out] error
* pointer to error structure.
*
* @return
* Returns tables resource based on the index, NULL in case of failed.
*/
struct mlx5_flow_tbl_resource *
flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
uint32_t table_level, uint8_t egress,
uint8_t transfer,
bool external,
const struct mlx5_flow_tunnel *tunnel,
uint32_t group_id, uint8_t dummy,
uint32_t table_id,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
union mlx5_flow_tbl_key table_key = {
{
.level = table_level,
.id = table_id,
.reserved = 0,
.dummy = !!dummy,
.is_fdb = !!transfer,
.is_egress = !!egress,
}
};
struct mlx5_flow_tbl_tunnel_prm tt_prm = {
.tunnel = tunnel,
.group_id = group_id,
.external = external,
};
struct mlx5_flow_cb_ctx ctx = {
.dev = dev,
.error = error,
.data = &table_key.v64,
.data2 = &tt_prm,
};
struct mlx5_list_entry *entry;
struct mlx5_flow_tbl_data_entry *tbl_data;
entry = mlx5_hlist_register(priv->sh->flow_tbls, table_key.v64, &ctx);
if (!entry) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot get table");
return NULL;
}
DRV_LOG(DEBUG, "table_level %u table_id %u "
"tunnel %u group %u registered.",
table_level, table_id,
tunnel ? tunnel->tunnel_id : 0, group_id);
tbl_data = container_of(entry, struct mlx5_flow_tbl_data_entry, entry);
return &tbl_data->tbl;
}
void
flow_dv_tbl_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_tbl_data_entry *tbl_data =
container_of(entry, struct mlx5_flow_tbl_data_entry, entry);
MLX5_ASSERT(entry && sh);
if (tbl_data->jump.action)
mlx5_flow_os_destroy_flow_action(tbl_data->jump.action);
if (tbl_data->tbl.obj)
mlx5_flow_os_destroy_flow_tbl(tbl_data->tbl.obj);
if (tbl_data->tunnel_offload && tbl_data->external) {
struct mlx5_list_entry *he;
struct mlx5_hlist *tunnel_grp_hash;
struct mlx5_flow_tunnel_hub *thub = sh->tunnel_hub;
union tunnel_tbl_key tunnel_key = {
.tunnel_id = tbl_data->tunnel ?
tbl_data->tunnel->tunnel_id : 0,
.group = tbl_data->group_id
};
uint32_t table_level = tbl_data->level;
struct mlx5_flow_cb_ctx ctx = {
.data = (void *)&tunnel_key.val,
};
tunnel_grp_hash = tbl_data->tunnel ?
tbl_data->tunnel->groups :
thub->groups;
he = mlx5_hlist_lookup(tunnel_grp_hash, tunnel_key.val, &ctx);
if (he)
mlx5_hlist_unregister(tunnel_grp_hash, he);
DRV_LOG(DEBUG,
"table_level %u id %u tunnel %u group %u released.",
table_level,
tbl_data->id,
tbl_data->tunnel ?
tbl_data->tunnel->tunnel_id : 0,
tbl_data->group_id);
}
mlx5_list_destroy(tbl_data->matchers);
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_JUMP], tbl_data->idx);
}
/**
* Release a flow table.
*
* @param[in] sh
* Pointer to device shared structure.
* @param[in] tbl
* Table resource to be released.
*
* @return
* Returns 0 if table was released, else return 1;
*/
static int
flow_dv_tbl_resource_release(struct mlx5_dev_ctx_shared *sh,
struct mlx5_flow_tbl_resource *tbl)
{
struct mlx5_flow_tbl_data_entry *tbl_data =
container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
if (!tbl)
return 0;
return mlx5_hlist_unregister(sh->flow_tbls, &tbl_data->entry);
}
int
flow_dv_matcher_match_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry, void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_matcher *ref = ctx->data;
struct mlx5_flow_dv_matcher *cur = container_of(entry, typeof(*cur),
entry);
return cur->crc != ref->crc ||
cur->priority != ref->priority ||
memcmp((const void *)cur->mask.buf,
(const void *)ref->mask.buf, ref->mask.size);
}
struct mlx5_list_entry *
flow_dv_matcher_create_cb(void *tool_ctx, void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_matcher *ref = ctx->data;
struct mlx5_flow_dv_matcher *resource;
struct mlx5dv_flow_matcher_attr dv_attr = {
.type = IBV_FLOW_ATTR_NORMAL,
.match_mask = (void *)&ref->mask,
};
struct mlx5_flow_tbl_data_entry *tbl = container_of(ref->tbl,
typeof(*tbl), tbl);
int ret;
resource = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*resource), 0,
SOCKET_ID_ANY);
if (!resource) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot create matcher");
return NULL;
}
*resource = *ref;
dv_attr.match_criteria_enable =
flow_dv_matcher_enable(resource->mask.buf);
__flow_dv_adjust_buf_size(&ref->mask.size,
dv_attr.match_criteria_enable);
dv_attr.priority = ref->priority;
if (tbl->is_egress)
dv_attr.flags |= IBV_FLOW_ATTR_FLAGS_EGRESS;
ret = mlx5_flow_os_create_flow_matcher(sh->cdev->ctx, &dv_attr,
tbl->tbl.obj,
&resource->matcher_object);
if (ret) {
mlx5_free(resource);
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot create matcher");
return NULL;
}
return &resource->entry;
}
/**
* Register the flow matcher.
*
* @param[in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in, out] matcher
* Pointer to flow matcher.
* @param[in, out] key
* Pointer to flow table key.
* @parm[in, out] dev_flow
* Pointer to the dev_flow.
* @param[out] error
* pointer to error structure.
*
* @return
* 0 on success otherwise -errno and errno is set.
*/
static int
flow_dv_matcher_register(struct rte_eth_dev *dev,
struct mlx5_flow_dv_matcher *ref,
union mlx5_flow_tbl_key *key,
struct mlx5_flow *dev_flow,
const struct mlx5_flow_tunnel *tunnel,
uint32_t group_id,
struct rte_flow_error *error)
{
struct mlx5_list_entry *entry;
struct mlx5_flow_dv_matcher *resource;
struct mlx5_flow_tbl_resource *tbl;
struct mlx5_flow_tbl_data_entry *tbl_data;
struct mlx5_flow_cb_ctx ctx = {
.error = error,
.data = ref,
};
/**
* tunnel offload API requires this registration for cases when
* tunnel match rule was inserted before tunnel set rule.
*/
tbl = flow_dv_tbl_resource_get(dev, key->level,
key->is_egress, key->is_fdb,
dev_flow->external, tunnel,
group_id, 0, key->id, error);
if (!tbl)
return -rte_errno; /* No need to refill the error info */
tbl_data = container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
ref->tbl = tbl;
entry = mlx5_list_register(tbl_data->matchers, &ctx);
if (!entry) {
flow_dv_tbl_resource_release(MLX5_SH(dev), tbl);
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate ref memory");
}
resource = container_of(entry, typeof(*resource), entry);
dev_flow->handle->dvh.matcher = resource;
return 0;
}
struct mlx5_list_entry *
flow_dv_tag_create_cb(void *tool_ctx, void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_tag_resource *entry;
uint32_t idx = 0;
int ret;
entry = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_TAG], &idx);
if (!entry) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
return NULL;
}
entry->idx = idx;
entry->tag_id = *(uint32_t *)(ctx->data);
ret = mlx5_flow_os_create_flow_action_tag(entry->tag_id,
&entry->action);
if (ret) {
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TAG], idx);
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create action");
return NULL;
}
return &entry->entry;
}
int
flow_dv_tag_match_cb(void *tool_ctx __rte_unused, struct mlx5_list_entry *entry,
void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_tag_resource *tag =
container_of(entry, struct mlx5_flow_dv_tag_resource, entry);
return *(uint32_t *)(ctx->data) != tag->tag_id;
}
struct mlx5_list_entry *
flow_dv_tag_clone_cb(void *tool_ctx, struct mlx5_list_entry *oentry,
void *cb_ctx)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_tag_resource *entry;
uint32_t idx = 0;
entry = mlx5_ipool_malloc(sh->ipool[MLX5_IPOOL_TAG], &idx);
if (!entry) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate tag resource memory");
return NULL;
}
memcpy(entry, oentry, sizeof(*entry));
entry->idx = idx;
return &entry->entry;
}
void
flow_dv_tag_clone_free_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_dv_tag_resource *tag =
container_of(entry, struct mlx5_flow_dv_tag_resource, entry);
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TAG], tag->idx);
}
/**
* Find existing tag resource or create and register a new one.
*
* @param dev[in, out]
* Pointer to rte_eth_dev structure.
* @param[in, out] tag_be24
* Tag value in big endian then R-shift 8.
* @parm[in, out] dev_flow
* Pointer to the dev_flow.
* @param[out] error
* pointer to error structure.
*
* @return
* 0 on success otherwise -errno and errno is set.
*/
static int
flow_dv_tag_resource_register
(struct rte_eth_dev *dev,
uint32_t tag_be24,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_dv_tag_resource *resource;
struct mlx5_list_entry *entry;
struct mlx5_flow_cb_ctx ctx = {
.error = error,
.data = &tag_be24,
};
struct mlx5_hlist *tag_table;
tag_table = flow_dv_hlist_prepare(priv->sh, &priv->sh->tag_table,
"tags",
MLX5_TAGS_HLIST_ARRAY_SIZE,
false, false, priv->sh,
flow_dv_tag_create_cb,
flow_dv_tag_match_cb,
flow_dv_tag_remove_cb,
flow_dv_tag_clone_cb,
flow_dv_tag_clone_free_cb);
if (unlikely(!tag_table))
return -rte_errno;
entry = mlx5_hlist_register(tag_table, tag_be24, &ctx);
if (entry) {
resource = container_of(entry, struct mlx5_flow_dv_tag_resource,
entry);
dev_flow->handle->dvh.rix_tag = resource->idx;
dev_flow->dv.tag_resource = resource;
return 0;
}
return -rte_errno;
}
void
flow_dv_tag_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_dv_tag_resource *tag =
container_of(entry, struct mlx5_flow_dv_tag_resource, entry);
MLX5_ASSERT(tag && sh && tag->action);
claim_zero(mlx5_flow_os_destroy_flow_action(tag->action));
DRV_LOG(DEBUG, "Tag %p: removed.", (void *)tag);
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_TAG], tag->idx);
}
/**
* Release the tag.
*
* @param dev
* Pointer to Ethernet device.
* @param tag_idx
* Tag index.
*
* @return
* 1 while a reference on it exists, 0 when freed.
*/
static int
flow_dv_tag_release(struct rte_eth_dev *dev,
uint32_t tag_idx)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_dv_tag_resource *tag;
tag = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_TAG], tag_idx);
if (!tag)
return 0;
DRV_LOG(DEBUG, "port %u tag %p: refcnt %d--",
dev->data->port_id, (void *)tag, tag->entry.ref_cnt);
return mlx5_hlist_unregister(priv->sh->tag_table, &tag->entry);
}
/**
* Translate action PORT_ID / REPRESENTED_PORT to vport.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] action
* Pointer to action PORT_ID / REPRESENTED_PORT.
* @param[out] dst_port_id
* The target port ID.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_translate_action_port_id(struct rte_eth_dev *dev,
const struct rte_flow_action *action,
uint32_t *dst_port_id,
struct rte_flow_error *error)
{
uint32_t port;
struct mlx5_priv *priv;
switch (action->type) {
case RTE_FLOW_ACTION_TYPE_PORT_ID: {
const struct rte_flow_action_port_id *conf;
conf = (const struct rte_flow_action_port_id *)action->conf;
port = conf->original ? dev->data->port_id : conf->id;
break;
}
case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT: {
const struct rte_flow_action_ethdev *ethdev;
ethdev = (const struct rte_flow_action_ethdev *)action->conf;
port = ethdev->port_id;
break;
}
default:
MLX5_ASSERT(false);
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"unknown E-Switch action");
}
priv = mlx5_port_to_eswitch_info(port, false);
if (!priv)
return rte_flow_error_set(error, -rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"No eswitch info was found for port");
#ifdef HAVE_MLX5DV_DR_CREATE_DEST_IB_PORT
/*
* This parameter is transferred to
* mlx5dv_dr_action_create_dest_ib_port().
*/
*dst_port_id = priv->dev_port;
#else
/*
* Legacy mode, no LAG configurations is supported.
* This parameter is transferred to
* mlx5dv_dr_action_create_dest_vport().
*/
*dst_port_id = priv->vport_id;
#endif
return 0;
}
/**
* Create a counter with aging configuration.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] dev_flow
* Pointer to the mlx5_flow.
* @param[out] count
* Pointer to the counter action configuration.
* @param[in] age
* Pointer to the aging action configuration.
*
* @return
* Index to flow counter on success, 0 otherwise.
*/
static uint32_t
flow_dv_translate_create_counter(struct rte_eth_dev *dev,
struct mlx5_flow *dev_flow,
const struct rte_flow_action_count *count
__rte_unused,
const struct rte_flow_action_age *age)
{
uint32_t counter;
struct mlx5_age_param *age_param;
counter = flow_dv_counter_alloc(dev, !!age);
if (!counter || age == NULL)
return counter;
age_param = flow_dv_counter_idx_get_age(dev, counter);
age_param->context = age->context ? age->context :
(void *)(uintptr_t)(dev_flow->flow_idx);
age_param->timeout = age->timeout;
age_param->port_id = dev->data->port_id;
__atomic_store_n(&age_param->sec_since_last_hit, 0, __ATOMIC_RELAXED);
__atomic_store_n(&age_param->state, AGE_CANDIDATE, __ATOMIC_RELAXED);
return counter;
}
/**
* Add Tx queue matcher
*
* @param[in] dev
* Pointer to the dev struct.
* @param[in, out] matcher
* Flow matcher.
* @param[in, out] key
* Flow matcher value.
* @param[in] item
* Flow pattern to translate.
* @param[in] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_tx_queue(struct rte_eth_dev *dev,
void *matcher, void *key,
const struct rte_flow_item *item)
{
const struct mlx5_rte_flow_item_tx_queue *queue_m;
const struct mlx5_rte_flow_item_tx_queue *queue_v;
void *misc_m =
MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v =
MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
struct mlx5_txq_ctrl *txq;
uint32_t queue, mask;
queue_m = (const void *)item->mask;
queue_v = (const void *)item->spec;
if (!queue_v)
return;
txq = mlx5_txq_get(dev, queue_v->queue);
if (!txq)
return;
if (txq->type == MLX5_TXQ_TYPE_HAIRPIN)
queue = txq->obj->sq->id;
else
queue = txq->obj->sq_obj.sq->id;
mask = queue_m == NULL ? UINT32_MAX : queue_m->queue;
MLX5_SET(fte_match_set_misc, misc_m, source_sqn, mask);
MLX5_SET(fte_match_set_misc, misc_v, source_sqn, queue & mask);
mlx5_txq_release(dev, queue_v->queue);
}
/**
* Set the hash fields according to the @p flow information.
*
* @param[in] dev_flow
* Pointer to the mlx5_flow.
* @param[in] rss_desc
* Pointer to the mlx5_flow_rss_desc.
*/
static void
flow_dv_hashfields_set(struct mlx5_flow *dev_flow,
struct mlx5_flow_rss_desc *rss_desc)
{
uint64_t items = dev_flow->handle->layers;
int rss_inner = 0;
uint64_t rss_types = rte_eth_rss_hf_refine(rss_desc->types);
dev_flow->hash_fields = 0;
#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
if (rss_desc->level >= 2)
rss_inner = 1;
#endif
if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L3_IPV4)) ||
(!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L3_IPV4))) {
if (rss_types & MLX5_IPV4_LAYER_TYPES) {
if (rss_types & RTE_ETH_RSS_L3_SRC_ONLY)
dev_flow->hash_fields |= IBV_RX_HASH_SRC_IPV4;
else if (rss_types & RTE_ETH_RSS_L3_DST_ONLY)
dev_flow->hash_fields |= IBV_RX_HASH_DST_IPV4;
else
dev_flow->hash_fields |= MLX5_IPV4_IBV_RX_HASH;
}
} else if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L3_IPV6)) ||
(!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L3_IPV6))) {
if (rss_types & MLX5_IPV6_LAYER_TYPES) {
if (rss_types & RTE_ETH_RSS_L3_SRC_ONLY)
dev_flow->hash_fields |= IBV_RX_HASH_SRC_IPV6;
else if (rss_types & RTE_ETH_RSS_L3_DST_ONLY)
dev_flow->hash_fields |= IBV_RX_HASH_DST_IPV6;
else
dev_flow->hash_fields |= MLX5_IPV6_IBV_RX_HASH;
}
}
if (dev_flow->hash_fields == 0)
/*
* There is no match between the RSS types and the
* L3 protocol (IPv4/IPv6) defined in the flow rule.
*/
return;
if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L4_UDP)) ||
(!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L4_UDP))) {
if (rss_types & RTE_ETH_RSS_UDP) {
if (rss_types & RTE_ETH_RSS_L4_SRC_ONLY)
dev_flow->hash_fields |=
IBV_RX_HASH_SRC_PORT_UDP;
else if (rss_types & RTE_ETH_RSS_L4_DST_ONLY)
dev_flow->hash_fields |=
IBV_RX_HASH_DST_PORT_UDP;
else
dev_flow->hash_fields |= MLX5_UDP_IBV_RX_HASH;
}
} else if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L4_TCP)) ||
(!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L4_TCP))) {
if (rss_types & RTE_ETH_RSS_TCP) {
if (rss_types & RTE_ETH_RSS_L4_SRC_ONLY)
dev_flow->hash_fields |=
IBV_RX_HASH_SRC_PORT_TCP;
else if (rss_types & RTE_ETH_RSS_L4_DST_ONLY)
dev_flow->hash_fields |=
IBV_RX_HASH_DST_PORT_TCP;
else
dev_flow->hash_fields |= MLX5_TCP_IBV_RX_HASH;
}
}
if (rss_inner)
dev_flow->hash_fields |= IBV_RX_HASH_INNER;
}
/**
* Prepare an Rx Hash queue.
*
* @param dev
* Pointer to Ethernet device.
* @param[in] dev_flow
* Pointer to the mlx5_flow.
* @param[in] rss_desc
* Pointer to the mlx5_flow_rss_desc.
* @param[out] hrxq_idx
* Hash Rx queue index.
*
* @return
* The Verbs/DevX object initialised, NULL otherwise and rte_errno is set.
*/
static struct mlx5_hrxq *
flow_dv_hrxq_prepare(struct rte_eth_dev *dev,
struct mlx5_flow *dev_flow,
struct mlx5_flow_rss_desc *rss_desc,
uint32_t *hrxq_idx)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_handle *dh = dev_flow->handle;
struct mlx5_hrxq *hrxq;
MLX5_ASSERT(rss_desc->queue_num);
rss_desc->key_len = MLX5_RSS_HASH_KEY_LEN;
rss_desc->hash_fields = dev_flow->hash_fields;
rss_desc->tunnel = !!(dh->layers & MLX5_FLOW_LAYER_TUNNEL);
rss_desc->shared_rss = 0;
if (rss_desc->hash_fields == 0)
rss_desc->queue_num = 1;
*hrxq_idx = mlx5_hrxq_get(dev, rss_desc);
if (!*hrxq_idx)
return NULL;
hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
*hrxq_idx);
return hrxq;
}
/**
* Release sample sub action resource.
*
* @param[in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in] act_res
* Pointer to sample sub action resource.
*/
static void
flow_dv_sample_sub_actions_release(struct rte_eth_dev *dev,
struct mlx5_flow_sub_actions_idx *act_res)
{
if (act_res->rix_hrxq) {
mlx5_hrxq_release(dev, act_res->rix_hrxq);
act_res->rix_hrxq = 0;
}
if (act_res->rix_encap_decap) {
flow_dv_encap_decap_resource_release(dev,
act_res->rix_encap_decap);
act_res->rix_encap_decap = 0;
}
if (act_res->rix_port_id_action) {
flow_dv_port_id_action_resource_release(dev,
act_res->rix_port_id_action);
act_res->rix_port_id_action = 0;
}
if (act_res->rix_tag) {
flow_dv_tag_release(dev, act_res->rix_tag);
act_res->rix_tag = 0;
}
if (act_res->rix_jump) {
flow_dv_jump_tbl_resource_release(dev, act_res->rix_jump);
act_res->rix_jump = 0;
}
}
int
flow_dv_sample_match_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry, void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct rte_eth_dev *dev = ctx->dev;
struct mlx5_flow_dv_sample_resource *ctx_resource = ctx->data;
struct mlx5_flow_dv_sample_resource *resource = container_of(entry,
typeof(*resource),
entry);
if (ctx_resource->ratio == resource->ratio &&
ctx_resource->ft_type == resource->ft_type &&
ctx_resource->ft_id == resource->ft_id &&
ctx_resource->set_action == resource->set_action &&
!memcmp((void *)&ctx_resource->sample_act,
(void *)&resource->sample_act,
sizeof(struct mlx5_flow_sub_actions_list))) {
/*
* Existing sample action should release the prepared
* sub-actions reference counter.
*/
flow_dv_sample_sub_actions_release(dev,
&ctx_resource->sample_idx);
return 0;
}
return 1;
}
struct mlx5_list_entry *
flow_dv_sample_create_cb(void *tool_ctx __rte_unused, void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct rte_eth_dev *dev = ctx->dev;
struct mlx5_flow_dv_sample_resource *ctx_resource = ctx->data;
void **sample_dv_actions = ctx_resource->sub_actions;
struct mlx5_flow_dv_sample_resource *resource;
struct mlx5dv_dr_flow_sampler_attr sampler_attr;
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
struct mlx5_flow_tbl_resource *tbl;
uint32_t idx = 0;
const uint32_t next_ft_step = 1;
uint32_t next_ft_id = ctx_resource->ft_id + next_ft_step;
uint8_t is_egress = 0;
uint8_t is_transfer = 0;
struct rte_flow_error *error = ctx->error;
/* Register new sample resource. */
resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_SAMPLE], &idx);
if (!resource) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot allocate resource memory");
return NULL;
}
*resource = *ctx_resource;
/* Create normal path table level */
if (ctx_resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
is_transfer = 1;
else if (ctx_resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_TX)
is_egress = 1;
tbl = flow_dv_tbl_resource_get(dev, next_ft_id,
is_egress, is_transfer,
true, NULL, 0, 0, 0, error);
if (!tbl) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"fail to create normal path table "
"for sample");
goto error;
}
resource->normal_path_tbl = tbl;
if (ctx_resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB) {
if (!sh->default_miss_action) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"default miss action was not "
"created");
goto error;
}
sample_dv_actions[ctx_resource->sample_act.actions_num++] =
sh->default_miss_action;
}
/* Create a DR sample action */
sampler_attr.sample_ratio = resource->ratio;
sampler_attr.default_next_table = tbl->obj;
sampler_attr.num_sample_actions = ctx_resource->sample_act.actions_num;
sampler_attr.sample_actions = (struct mlx5dv_dr_action **)
&sample_dv_actions[0];
sampler_attr.action = resource->set_action;
if (mlx5_os_flow_dr_create_flow_action_sampler
(&sampler_attr, &resource->verbs_action)) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create sample action");
goto error;
}
resource->idx = idx;
resource->dev = dev;
return &resource->entry;
error:
if (resource->ft_type != MLX5DV_FLOW_TABLE_TYPE_FDB)
flow_dv_sample_sub_actions_release(dev,
&resource->sample_idx);
if (resource->normal_path_tbl)
flow_dv_tbl_resource_release(MLX5_SH(dev),
resource->normal_path_tbl);
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_SAMPLE], idx);
return NULL;
}
struct mlx5_list_entry *
flow_dv_sample_clone_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry __rte_unused,
void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct rte_eth_dev *dev = ctx->dev;
struct mlx5_flow_dv_sample_resource *resource;
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
uint32_t idx = 0;
resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_SAMPLE], &idx);
if (!resource) {
rte_flow_error_set(ctx->error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot allocate resource memory");
return NULL;
}
memcpy(resource, entry, sizeof(*resource));
resource->idx = idx;
resource->dev = dev;
return &resource->entry;
}
void
flow_dv_sample_clone_free_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry)
{
struct mlx5_flow_dv_sample_resource *resource =
container_of(entry, typeof(*resource), entry);
struct rte_eth_dev *dev = resource->dev;
struct mlx5_priv *priv = dev->data->dev_private;
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_SAMPLE], resource->idx);
}
/**
* Find existing sample resource or create and register a new one.
*
* @param[in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in] ref
* Pointer to sample resource reference.
* @parm[in, out] dev_flow
* Pointer to the dev_flow.
* @param[out] error
* pointer to error structure.
*
* @return
* 0 on success otherwise -errno and errno is set.
*/
static int
flow_dv_sample_resource_register(struct rte_eth_dev *dev,
struct mlx5_flow_dv_sample_resource *ref,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_flow_dv_sample_resource *resource;
struct mlx5_list_entry *entry;
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_cb_ctx ctx = {
.dev = dev,
.error = error,
.data = ref,
};
entry = mlx5_list_register(priv->sh->sample_action_list, &ctx);
if (!entry)
return -rte_errno;
resource = container_of(entry, typeof(*resource), entry);
dev_flow->handle->dvh.rix_sample = resource->idx;
dev_flow->dv.sample_res = resource;
return 0;
}
int
flow_dv_dest_array_match_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry, void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct mlx5_flow_dv_dest_array_resource *ctx_resource = ctx->data;
struct rte_eth_dev *dev = ctx->dev;
struct mlx5_flow_dv_dest_array_resource *resource =
container_of(entry, typeof(*resource), entry);
uint32_t idx = 0;
if (ctx_resource->num_of_dest == resource->num_of_dest &&
ctx_resource->ft_type == resource->ft_type &&
!memcmp((void *)resource->sample_act,
(void *)ctx_resource->sample_act,
(ctx_resource->num_of_dest *
sizeof(struct mlx5_flow_sub_actions_list)))) {
/*
* Existing sample action should release the prepared
* sub-actions reference counter.
*/
for (idx = 0; idx < ctx_resource->num_of_dest; idx++)
flow_dv_sample_sub_actions_release(dev,
&ctx_resource->sample_idx[idx]);
return 0;
}
return 1;
}
struct mlx5_list_entry *
flow_dv_dest_array_create_cb(void *tool_ctx __rte_unused, void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct rte_eth_dev *dev = ctx->dev;
struct mlx5_flow_dv_dest_array_resource *resource;
struct mlx5_flow_dv_dest_array_resource *ctx_resource = ctx->data;
struct mlx5dv_dr_action_dest_attr *dest_attr[MLX5_MAX_DEST_NUM] = { 0 };
struct mlx5dv_dr_action_dest_reformat dest_reformat[MLX5_MAX_DEST_NUM];
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
struct mlx5_flow_sub_actions_list *sample_act;
struct mlx5dv_dr_domain *domain;
uint32_t idx = 0, res_idx = 0;
struct rte_flow_error *error = ctx->error;
uint64_t action_flags;
int ret;
/* Register new destination array resource. */
resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_DEST_ARRAY],
&res_idx);
if (!resource) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot allocate resource memory");
return NULL;
}
*resource = *ctx_resource;
if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
domain = sh->fdb_domain;
else if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_RX)
domain = sh->rx_domain;
else
domain = sh->tx_domain;
for (idx = 0; idx < ctx_resource->num_of_dest; idx++) {
dest_attr[idx] = (struct mlx5dv_dr_action_dest_attr *)
mlx5_malloc(MLX5_MEM_ZERO,
sizeof(struct mlx5dv_dr_action_dest_attr),
0, SOCKET_ID_ANY);
if (!dest_attr[idx]) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot allocate resource memory");
goto error;
}
dest_attr[idx]->type = MLX5DV_DR_ACTION_DEST;
sample_act = &ctx_resource->sample_act[idx];
action_flags = sample_act->action_flags;
switch (action_flags) {
case MLX5_FLOW_ACTION_QUEUE:
dest_attr[idx]->dest = sample_act->dr_queue_action;
break;
case (MLX5_FLOW_ACTION_PORT_ID | MLX5_FLOW_ACTION_ENCAP):
dest_attr[idx]->type = MLX5DV_DR_ACTION_DEST_REFORMAT;
dest_attr[idx]->dest_reformat = &dest_reformat[idx];
dest_attr[idx]->dest_reformat->reformat =
sample_act->dr_encap_action;
dest_attr[idx]->dest_reformat->dest =
sample_act->dr_port_id_action;
break;
case MLX5_FLOW_ACTION_PORT_ID:
dest_attr[idx]->dest = sample_act->dr_port_id_action;
break;
case MLX5_FLOW_ACTION_JUMP:
dest_attr[idx]->dest = sample_act->dr_jump_action;
break;
default:
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"unsupported actions type");
goto error;
}
}
/* create a dest array action */
ret = mlx5_os_flow_dr_create_flow_action_dest_array
(domain,
resource->num_of_dest,
dest_attr,
&resource->action);
if (ret) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot create destination array action");
goto error;
}
resource->idx = res_idx;
resource->dev = dev;
for (idx = 0; idx < ctx_resource->num_of_dest; idx++)
mlx5_free(dest_attr[idx]);
return &resource->entry;
error:
for (idx = 0; idx < ctx_resource->num_of_dest; idx++) {
flow_dv_sample_sub_actions_release(dev,
&resource->sample_idx[idx]);
if (dest_attr[idx])
mlx5_free(dest_attr[idx]);
}
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_DEST_ARRAY], res_idx);
return NULL;
}
struct mlx5_list_entry *
flow_dv_dest_array_clone_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry __rte_unused,
void *cb_ctx)
{
struct mlx5_flow_cb_ctx *ctx = cb_ctx;
struct rte_eth_dev *dev = ctx->dev;
struct mlx5_flow_dv_dest_array_resource *resource;
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
uint32_t res_idx = 0;
struct rte_flow_error *error = ctx->error;
resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_DEST_ARRAY],
&res_idx);
if (!resource) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot allocate dest-array memory");
return NULL;
}
memcpy(resource, entry, sizeof(*resource));
resource->idx = res_idx;
resource->dev = dev;
return &resource->entry;
}
void
flow_dv_dest_array_clone_free_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry)
{
struct mlx5_flow_dv_dest_array_resource *resource =
container_of(entry, typeof(*resource), entry);
struct rte_eth_dev *dev = resource->dev;
struct mlx5_priv *priv = dev->data->dev_private;
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_DEST_ARRAY], resource->idx);
}
/**
* Find existing destination array resource or create and register a new one.
*
* @param[in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in] ref
* Pointer to destination array resource reference.
* @parm[in, out] dev_flow
* Pointer to the dev_flow.
* @param[out] error
* pointer to error structure.
*
* @return
* 0 on success otherwise -errno and errno is set.
*/
static int
flow_dv_dest_array_resource_register(struct rte_eth_dev *dev,
struct mlx5_flow_dv_dest_array_resource *ref,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_flow_dv_dest_array_resource *resource;
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_list_entry *entry;
struct mlx5_flow_cb_ctx ctx = {
.dev = dev,
.error = error,
.data = ref,
};
entry = mlx5_list_register(priv->sh->dest_array_list, &ctx);
if (!entry)
return -rte_errno;
resource = container_of(entry, typeof(*resource), entry);
dev_flow->handle->dvh.rix_dest_array = resource->idx;
dev_flow->dv.dest_array_res = resource;
return 0;
}
/**
* Convert Sample action to DV specification.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] action
* Pointer to sample action structure.
* @param[in, out] dev_flow
* Pointer to the mlx5_flow.
* @param[in] attr
* Pointer to the flow attributes.
* @param[in, out] num_of_dest
* Pointer to the num of destination.
* @param[in, out] sample_actions
* Pointer to sample actions list.
* @param[in, out] res
* Pointer to sample resource.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_translate_action_sample(struct rte_eth_dev *dev,
const struct rte_flow_action_sample *action,
struct mlx5_flow *dev_flow,
const struct rte_flow_attr *attr,
uint32_t *num_of_dest,
void **sample_actions,
struct mlx5_flow_dv_sample_resource *res,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_action *sub_actions;
struct mlx5_flow_sub_actions_list *sample_act;
struct mlx5_flow_sub_actions_idx *sample_idx;
struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
struct rte_flow *flow = dev_flow->flow;
struct mlx5_flow_rss_desc *rss_desc;
uint64_t action_flags = 0;
MLX5_ASSERT(wks);
rss_desc = &wks->rss_desc;
sample_act = &res->sample_act;
sample_idx = &res->sample_idx;
res->ratio = action->ratio;
sub_actions = action->actions;
for (; sub_actions->type != RTE_FLOW_ACTION_TYPE_END; sub_actions++) {
int type = sub_actions->type;
uint32_t pre_rix = 0;
void *pre_r;
switch (type) {
case RTE_FLOW_ACTION_TYPE_QUEUE:
{
const struct rte_flow_action_queue *queue;
struct mlx5_hrxq *hrxq;
uint32_t hrxq_idx;
queue = sub_actions->conf;
rss_desc->queue_num = 1;
rss_desc->queue[0] = queue->index;
hrxq = flow_dv_hrxq_prepare(dev, dev_flow,
rss_desc, &hrxq_idx);
if (!hrxq)
return rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"cannot create fate queue");
sample_act->dr_queue_action = hrxq->action;
sample_idx->rix_hrxq = hrxq_idx;
sample_actions[sample_act->actions_num++] =
hrxq->action;
(*num_of_dest)++;
action_flags |= MLX5_FLOW_ACTION_QUEUE;
if (action_flags & MLX5_FLOW_ACTION_MARK)
dev_flow->handle->rix_hrxq = hrxq_idx;
dev_flow->handle->fate_action =
MLX5_FLOW_FATE_QUEUE;
break;
}
case RTE_FLOW_ACTION_TYPE_RSS:
{
struct mlx5_hrxq *hrxq;
uint32_t hrxq_idx;
const struct rte_flow_action_rss *rss;
const uint8_t *rss_key;
rss = sub_actions->conf;
memcpy(rss_desc->queue, rss->queue,
rss->queue_num * sizeof(uint16_t));
rss_desc->queue_num = rss->queue_num;
/* NULL RSS key indicates default RSS key. */
rss_key = !rss->key ? rss_hash_default_key : rss->key;
memcpy(rss_desc->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
/*
* rss->level and rss.types should be set in advance
* when expanding items for RSS.
*/
flow_dv_hashfields_set(dev_flow, rss_desc);
hrxq = flow_dv_hrxq_prepare(dev, dev_flow,
rss_desc, &hrxq_idx);
if (!hrxq)
return rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"cannot create fate queue");
sample_act->dr_queue_action = hrxq->action;
sample_idx->rix_hrxq = hrxq_idx;
sample_actions[sample_act->actions_num++] =
hrxq->action;
(*num_of_dest)++;
action_flags |= MLX5_FLOW_ACTION_RSS;
if (action_flags & MLX5_FLOW_ACTION_MARK)
dev_flow->handle->rix_hrxq = hrxq_idx;
dev_flow->handle->fate_action =
MLX5_FLOW_FATE_QUEUE;
break;
}
case RTE_FLOW_ACTION_TYPE_MARK:
{
uint32_t tag_be = mlx5_flow_mark_set
(((const struct rte_flow_action_mark *)
(sub_actions->conf))->id);
wks->mark = 1;
pre_rix = dev_flow->handle->dvh.rix_tag;
/* Save the mark resource before sample */
pre_r = dev_flow->dv.tag_resource;
if (flow_dv_tag_resource_register(dev, tag_be,
dev_flow, error))
return -rte_errno;
MLX5_ASSERT(dev_flow->dv.tag_resource);
sample_act->dr_tag_action =
dev_flow->dv.tag_resource->action;
sample_idx->rix_tag =
dev_flow->handle->dvh.rix_tag;
sample_actions[sample_act->actions_num++] =
sample_act->dr_tag_action;
/* Recover the mark resource after sample */
dev_flow->dv.tag_resource = pre_r;
dev_flow->handle->dvh.rix_tag = pre_rix;
action_flags |= MLX5_FLOW_ACTION_MARK;
break;
}
case RTE_FLOW_ACTION_TYPE_COUNT:
{
if (!flow->counter) {
flow->counter =
flow_dv_translate_create_counter(dev,
dev_flow, sub_actions->conf,
0);
if (!flow->counter)
return rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"cannot create counter"
" object.");
}
sample_act->dr_cnt_action =
(flow_dv_counter_get_by_idx(dev,
flow->counter, NULL))->action;
sample_actions[sample_act->actions_num++] =
sample_act->dr_cnt_action;
action_flags |= MLX5_FLOW_ACTION_COUNT;
break;
}
case RTE_FLOW_ACTION_TYPE_PORT_ID:
case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT:
{
struct mlx5_flow_dv_port_id_action_resource
port_id_resource;
uint32_t port_id = 0;
memset(&port_id_resource, 0, sizeof(port_id_resource));
/* Save the port id resource before sample */
pre_rix = dev_flow->handle->rix_port_id_action;
pre_r = dev_flow->dv.port_id_action;
if (flow_dv_translate_action_port_id(dev, sub_actions,
&port_id, error))
return -rte_errno;
port_id_resource.port_id = port_id;
if (flow_dv_port_id_action_resource_register
(dev, &port_id_resource, dev_flow, error))
return -rte_errno;
sample_act->dr_port_id_action =
dev_flow->dv.port_id_action->action;
sample_idx->rix_port_id_action =
dev_flow->handle->rix_port_id_action;
sample_actions[sample_act->actions_num++] =
sample_act->dr_port_id_action;
/* Recover the port id resource after sample */
dev_flow->dv.port_id_action = pre_r;
dev_flow->handle->rix_port_id_action = pre_rix;
(*num_of_dest)++;
action_flags |= MLX5_FLOW_ACTION_PORT_ID;
break;
}
case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
/* Save the encap resource before sample */
pre_rix = dev_flow->handle->dvh.rix_encap_decap;
pre_r = dev_flow->dv.encap_decap;
if (flow_dv_create_action_l2_encap(dev, sub_actions,
dev_flow,
attr->transfer,
error))
return -rte_errno;
sample_act->dr_encap_action =
dev_flow->dv.encap_decap->action;
sample_idx->rix_encap_decap =
dev_flow->handle->dvh.rix_encap_decap;
sample_actions[sample_act->actions_num++] =
sample_act->dr_encap_action;
/* Recover the encap resource after sample */
dev_flow->dv.encap_decap = pre_r;
dev_flow->handle->dvh.rix_encap_decap = pre_rix;
action_flags |= MLX5_FLOW_ACTION_ENCAP;
break;
default:
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"Not support for sampler action");
}
}
sample_act->action_flags = action_flags;
res->ft_id = dev_flow->dv.group;
if (attr->transfer) {
union {
uint32_t action_in[MLX5_ST_SZ_DW(set_action_in)];
uint64_t set_action;
} action_ctx = { .set_action = 0 };
res->ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
MLX5_SET(set_action_in, action_ctx.action_in, action_type,
MLX5_MODIFICATION_TYPE_SET);
MLX5_SET(set_action_in, action_ctx.action_in, field,
MLX5_MODI_META_REG_C_0);
MLX5_SET(set_action_in, action_ctx.action_in, data,
priv->vport_meta_tag);
res->set_action = action_ctx.set_action;
} else if (attr->ingress) {
res->ft_type = MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
} else {
res->ft_type = MLX5DV_FLOW_TABLE_TYPE_NIC_TX;
}
return 0;
}
/**
* Convert Sample action to DV specification.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in, out] dev_flow
* Pointer to the mlx5_flow.
* @param[in] num_of_dest
* The num of destination.
* @param[in, out] res
* Pointer to sample resource.
* @param[in, out] mdest_res
* Pointer to destination array resource.
* @param[in] sample_actions
* Pointer to sample path actions list.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_create_action_sample(struct rte_eth_dev *dev,
struct mlx5_flow *dev_flow,
uint32_t num_of_dest,
struct mlx5_flow_dv_sample_resource *res,
struct mlx5_flow_dv_dest_array_resource *mdest_res,
void **sample_actions,
uint64_t action_flags,
struct rte_flow_error *error)
{
/* update normal path action resource into last index of array */
uint32_t dest_index = MLX5_MAX_DEST_NUM - 1;
struct mlx5_flow_sub_actions_list *sample_act =
&mdest_res->sample_act[dest_index];
struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
struct mlx5_flow_rss_desc *rss_desc;
uint32_t normal_idx = 0;
struct mlx5_hrxq *hrxq;
uint32_t hrxq_idx;
MLX5_ASSERT(wks);
rss_desc = &wks->rss_desc;
if (num_of_dest > 1) {
if (sample_act->action_flags & MLX5_FLOW_ACTION_QUEUE) {
/* Handle QP action for mirroring */
hrxq = flow_dv_hrxq_prepare(dev, dev_flow,
rss_desc, &hrxq_idx);
if (!hrxq)
return rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"cannot create rx queue");
normal_idx++;
mdest_res->sample_idx[dest_index].rix_hrxq = hrxq_idx;
sample_act->dr_queue_action = hrxq->action;
if (action_flags & MLX5_FLOW_ACTION_MARK)
dev_flow->handle->rix_hrxq = hrxq_idx;
dev_flow->handle->fate_action = MLX5_FLOW_FATE_QUEUE;
}
if (sample_act->action_flags & MLX5_FLOW_ACTION_ENCAP) {
normal_idx++;
mdest_res->sample_idx[dest_index].rix_encap_decap =
dev_flow->handle->dvh.rix_encap_decap;
sample_act->dr_encap_action =
dev_flow->dv.encap_decap->action;
dev_flow->handle->dvh.rix_encap_decap = 0;
}
if (sample_act->action_flags & MLX5_FLOW_ACTION_PORT_ID) {
normal_idx++;
mdest_res->sample_idx[dest_index].rix_port_id_action =
dev_flow->handle->rix_port_id_action;
sample_act->dr_port_id_action =
dev_flow->dv.port_id_action->action;
dev_flow->handle->rix_port_id_action = 0;
}
if (sample_act->action_flags & MLX5_FLOW_ACTION_JUMP) {
normal_idx++;
mdest_res->sample_idx[dest_index].rix_jump =
dev_flow->handle->rix_jump;
sample_act->dr_jump_action =
dev_flow->dv.jump->action;
dev_flow->handle->rix_jump = 0;
}
sample_act->actions_num = normal_idx;
/* update sample action resource into first index of array */
mdest_res->ft_type = res->ft_type;
memcpy(&mdest_res->sample_idx[0], &res->sample_idx,
sizeof(struct mlx5_flow_sub_actions_idx));
memcpy(&mdest_res->sample_act[0], &res->sample_act,
sizeof(struct mlx5_flow_sub_actions_list));
mdest_res->num_of_dest = num_of_dest;
if (flow_dv_dest_array_resource_register(dev, mdest_res,
dev_flow, error))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "can't create sample "
"action");
} else {
res->sub_actions = sample_actions;
if (flow_dv_sample_resource_register(dev, res, dev_flow, error))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"can't create sample action");
}
return 0;
}
/**
* Remove an ASO age action from age actions list.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] age
* Pointer to the aso age action handler.
*/
static void
flow_dv_aso_age_remove_from_age(struct rte_eth_dev *dev,
struct mlx5_aso_age_action *age)
{
struct mlx5_age_info *age_info;
struct mlx5_age_param *age_param = &age->age_params;
struct mlx5_priv *priv = dev->data->dev_private;
uint16_t expected = AGE_CANDIDATE;
age_info = GET_PORT_AGE_INFO(priv);
if (!__atomic_compare_exchange_n(&age_param->state, &expected,
AGE_FREE, false, __ATOMIC_RELAXED,
__ATOMIC_RELAXED)) {
/**
* We need the lock even it is age timeout,
* since age action may still in process.
*/
rte_spinlock_lock(&age_info->aged_sl);
LIST_REMOVE(age, next);
rte_spinlock_unlock(&age_info->aged_sl);
__atomic_store_n(&age_param->state, AGE_FREE, __ATOMIC_RELAXED);
}
}
/**
* Release an ASO age action.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] age_idx
* Index of ASO age action to release.
* @param[in] flow
* True if the release operation is during flow destroy operation.
* False if the release operation is during action destroy operation.
*
* @return
* 0 when age action was removed, otherwise the number of references.
*/
static int
flow_dv_aso_age_release(struct rte_eth_dev *dev, uint32_t age_idx)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
struct mlx5_aso_age_action *age = flow_aso_age_get_by_idx(dev, age_idx);
uint32_t ret = __atomic_sub_fetch(&age->refcnt, 1, __ATOMIC_RELAXED);
if (!ret) {
flow_dv_aso_age_remove_from_age(dev, age);
rte_spinlock_lock(&mng->free_sl);
LIST_INSERT_HEAD(&mng->free, age, next);
rte_spinlock_unlock(&mng->free_sl);
}
return ret;
}
/**
* Resize the ASO age pools array by MLX5_CNT_CONTAINER_RESIZE pools.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
*
* @return
* 0 on success, otherwise negative errno value and rte_errno is set.
*/
static int
flow_dv_aso_age_pools_resize(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
void *old_pools = mng->pools;
uint32_t resize = mng->n + MLX5_CNT_CONTAINER_RESIZE;
uint32_t mem_size = sizeof(struct mlx5_aso_age_pool *) * resize;
void *pools = mlx5_malloc(MLX5_MEM_ZERO, mem_size, 0, SOCKET_ID_ANY);
if (!pools) {
rte_errno = ENOMEM;
return -ENOMEM;
}
if (old_pools) {
memcpy(pools, old_pools,
mng->n * sizeof(struct mlx5_flow_counter_pool *));
mlx5_free(old_pools);
} else {
/* First ASO flow hit allocation - starting ASO data-path. */
int ret = mlx5_aso_flow_hit_queue_poll_start(priv->sh);
if (ret) {
mlx5_free(pools);
return ret;
}
}
mng->n = resize;
mng->pools = pools;
return 0;
}
/**
* Create and initialize a new ASO aging pool.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[out] age_free
* Where to put the pointer of a new age action.
*
* @return
* The age actions pool pointer and @p age_free is set on success,
* NULL otherwise and rte_errno is set.
*/
static struct mlx5_aso_age_pool *
flow_dv_age_pool_create(struct rte_eth_dev *dev,
struct mlx5_aso_age_action **age_free)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
struct mlx5_aso_age_pool *pool = NULL;
struct mlx5_devx_obj *obj = NULL;
uint32_t i;
obj = mlx5_devx_cmd_create_flow_hit_aso_obj(priv->sh->cdev->ctx,
priv->sh->cdev->pdn);
if (!obj) {
rte_errno = ENODATA;
DRV_LOG(ERR, "Failed to create flow_hit_aso_obj using DevX.");
return NULL;
}
pool = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*pool), 0, SOCKET_ID_ANY);
if (!pool) {
claim_zero(mlx5_devx_cmd_destroy(obj));
rte_errno = ENOMEM;
return NULL;
}
pool->flow_hit_aso_obj = obj;
pool->time_of_last_age_check = MLX5_CURR_TIME_SEC;
rte_rwlock_write_lock(&mng->resize_rwl);
pool->index = mng->next;
/* Resize pools array if there is no room for the new pool in it. */
if (pool->index == mng->n && flow_dv_aso_age_pools_resize(dev)) {
claim_zero(mlx5_devx_cmd_destroy(obj));
mlx5_free(pool);
rte_rwlock_write_unlock(&mng->resize_rwl);
return NULL;
}
mng->pools[pool->index] = pool;
mng->next++;
rte_rwlock_write_unlock(&mng->resize_rwl);
/* Assign the first action in the new pool, the rest go to free list. */
*age_free = &pool->actions[0];
for (i = 1; i < MLX5_ASO_AGE_ACTIONS_PER_POOL; i++) {
pool->actions[i].offset = i;
LIST_INSERT_HEAD(&mng->free, &pool->actions[i], next);
}
return pool;
}
/**
* Allocate a ASO aging bit.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[out] error
* Pointer to the error structure.
*
* @return
* Index to ASO age action on success, 0 otherwise and rte_errno is set.
*/
static uint32_t
flow_dv_aso_age_alloc(struct rte_eth_dev *dev, struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
const struct mlx5_aso_age_pool *pool;
struct mlx5_aso_age_action *age_free = NULL;
struct mlx5_aso_age_mng *mng = priv->sh->aso_age_mng;
MLX5_ASSERT(mng);
/* Try to get the next free age action bit. */
rte_spinlock_lock(&mng->free_sl);
age_free = LIST_FIRST(&mng->free);
if (age_free) {
LIST_REMOVE(age_free, next);
} else if (!flow_dv_age_pool_create(dev, &age_free)) {
rte_spinlock_unlock(&mng->free_sl);
rte_flow_error_set(error, rte_errno, RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "failed to create ASO age pool");
return 0; /* 0 is an error. */
}
rte_spinlock_unlock(&mng->free_sl);
pool = container_of
((const struct mlx5_aso_age_action (*)[MLX5_ASO_AGE_ACTIONS_PER_POOL])
(age_free - age_free->offset), const struct mlx5_aso_age_pool,
actions);
if (!age_free->dr_action) {
int reg_c = mlx5_flow_get_reg_id(dev, MLX5_ASO_FLOW_HIT, 0,
error);
if (reg_c < 0) {
rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "failed to get reg_c "
"for ASO flow hit");
return 0; /* 0 is an error. */
}
#ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO
age_free->dr_action = mlx5_glue->dv_create_flow_action_aso
(priv->sh->rx_domain,
pool->flow_hit_aso_obj->obj, age_free->offset,
MLX5DV_DR_ACTION_FLAGS_ASO_FIRST_HIT_SET,
(reg_c - REG_C_0));
#endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */
if (!age_free->dr_action) {
rte_errno = errno;
rte_spinlock_lock(&mng->free_sl);
LIST_INSERT_HEAD(&mng->free, age_free, next);
rte_spinlock_unlock(&mng->free_sl);
rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "failed to create ASO "
"flow hit action");
return 0; /* 0 is an error. */
}
}
__atomic_store_n(&age_free->refcnt, 1, __ATOMIC_RELAXED);
return pool->index | ((age_free->offset + 1) << 16);
}
/**
* Initialize flow ASO age parameters.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] age_idx
* Index of ASO age action.
* @param[in] context
* Pointer to flow counter age context.
* @param[in] timeout
* Aging timeout in seconds.
*
*/
static void
flow_dv_aso_age_params_init(struct rte_eth_dev *dev,
uint32_t age_idx,
void *context,
uint32_t timeout)
{
struct mlx5_aso_age_action *aso_age;
aso_age = flow_aso_age_get_by_idx(dev, age_idx);
MLX5_ASSERT(aso_age);
aso_age->age_params.context = context;
aso_age->age_params.timeout = timeout;
aso_age->age_params.port_id = dev->data->port_id;
__atomic_store_n(&aso_age->age_params.sec_since_last_hit, 0,
__ATOMIC_RELAXED);
__atomic_store_n(&aso_age->age_params.state, AGE_CANDIDATE,
__ATOMIC_RELAXED);
}
static void
flow_dv_translate_integrity_l4(const struct rte_flow_item_integrity *mask,
const struct rte_flow_item_integrity *value,
void *headers_m, void *headers_v)
{
if (mask->l4_ok) {
/* RTE l4_ok filter aggregates hardware l4_ok and
* l4_checksum_ok filters.
* Positive RTE l4_ok match requires hardware match on both L4
* hardware integrity bits.
* For negative match, check hardware l4_checksum_ok bit only,
* because hardware sets that bit to 0 for all packets
* with bad L4.
*/
if (value->l4_ok) {
MLX5_SET(fte_match_set_lyr_2_4, headers_m, l4_ok, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, l4_ok, 1);
}
MLX5_SET(fte_match_set_lyr_2_4, headers_m, l4_checksum_ok, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, l4_checksum_ok,
!!value->l4_ok);
}
if (mask->l4_csum_ok) {
MLX5_SET(fte_match_set_lyr_2_4, headers_m, l4_checksum_ok, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, l4_checksum_ok,
value->l4_csum_ok);
}
}
static void
flow_dv_translate_integrity_l3(const struct rte_flow_item_integrity *mask,
const struct rte_flow_item_integrity *value,
void *headers_m, void *headers_v, bool is_ipv4)
{
if (mask->l3_ok) {
/* RTE l3_ok filter aggregates for IPv4 hardware l3_ok and
* ipv4_csum_ok filters.
* Positive RTE l3_ok match requires hardware match on both L3
* hardware integrity bits.
* For negative match, check hardware l3_csum_ok bit only,
* because hardware sets that bit to 0 for all packets
* with bad L3.
*/
if (is_ipv4) {
if (value->l3_ok) {
MLX5_SET(fte_match_set_lyr_2_4, headers_m,
l3_ok, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v,
l3_ok, 1);
}
MLX5_SET(fte_match_set_lyr_2_4, headers_m,
ipv4_checksum_ok, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v,
ipv4_checksum_ok, !!value->l3_ok);
} else {
MLX5_SET(fte_match_set_lyr_2_4, headers_m, l3_ok, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, l3_ok,
value->l3_ok);
}
}
if (mask->ipv4_csum_ok) {
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ipv4_checksum_ok, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ipv4_checksum_ok,
value->ipv4_csum_ok);
}
}
static void
set_integrity_bits(void *headers_m, void *headers_v,
const struct rte_flow_item *integrity_item, bool is_l3_ip4)
{
const struct rte_flow_item_integrity *spec = integrity_item->spec;
const struct rte_flow_item_integrity *mask = integrity_item->mask;
/* Integrity bits validation cleared spec pointer */
MLX5_ASSERT(spec != NULL);
if (!mask)
mask = &rte_flow_item_integrity_mask;
flow_dv_translate_integrity_l3(mask, spec, headers_m, headers_v,
is_l3_ip4);
flow_dv_translate_integrity_l4(mask, spec, headers_m, headers_v);
}
static void
flow_dv_translate_item_integrity_post(void *matcher, void *key,
const
struct rte_flow_item *integrity_items[2],
uint64_t pattern_flags)
{
void *headers_m, *headers_v;
bool is_l3_ip4;
if (pattern_flags & MLX5_FLOW_ITEM_INNER_INTEGRITY) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
inner_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, inner_headers);
is_l3_ip4 = (pattern_flags & MLX5_FLOW_LAYER_INNER_L3_IPV4) !=
0;
set_integrity_bits(headers_m, headers_v,
integrity_items[1], is_l3_ip4);
}
if (pattern_flags & MLX5_FLOW_ITEM_OUTER_INTEGRITY) {
headers_m = MLX5_ADDR_OF(fte_match_param, matcher,
outer_headers);
headers_v = MLX5_ADDR_OF(fte_match_param, key, outer_headers);
is_l3_ip4 = (pattern_flags & MLX5_FLOW_LAYER_OUTER_L3_IPV4) !=
0;
set_integrity_bits(headers_m, headers_v,
integrity_items[0], is_l3_ip4);
}
}
static void
flow_dv_translate_item_integrity(const struct rte_flow_item *item,
const struct rte_flow_item *integrity_items[2],
uint64_t *last_item)
{
const struct rte_flow_item_integrity *spec = (typeof(spec))item->spec;
/* integrity bits validation cleared spec pointer */
MLX5_ASSERT(spec != NULL);
if (spec->level > 1) {
integrity_items[1] = item;
*last_item |= MLX5_FLOW_ITEM_INNER_INTEGRITY;
} else {
integrity_items[0] = item;
*last_item |= MLX5_FLOW_ITEM_OUTER_INTEGRITY;
}
}
/**
* Prepares DV flow counter with aging configuration.
* Gets it by index when exists, creates a new one when doesn't.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] dev_flow
* Pointer to the mlx5_flow.
* @param[in, out] flow
* Pointer to the sub flow.
* @param[in] count
* Pointer to the counter action configuration.
* @param[in] age
* Pointer to the aging action configuration.
* @param[out] error
* Pointer to the error structure.
*
* @return
* Pointer to the counter, NULL otherwise.
*/
static struct mlx5_flow_counter *
flow_dv_prepare_counter(struct rte_eth_dev *dev,
struct mlx5_flow *dev_flow,
struct rte_flow *flow,
const struct rte_flow_action_count *count,
const struct rte_flow_action_age *age,
struct rte_flow_error *error)
{
if (!flow->counter) {
flow->counter = flow_dv_translate_create_counter(dev, dev_flow,
count, age);
if (!flow->counter) {
rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"cannot create counter object.");
return NULL;
}
}
return flow_dv_counter_get_by_idx(dev, flow->counter, NULL);
}
/*
* Release an ASO CT action by its own device.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] idx
* Index of ASO CT action to release.
*
* @return
* 0 when CT action was removed, otherwise the number of references.
*/
static inline int
flow_dv_aso_ct_dev_release(struct rte_eth_dev *dev, uint32_t idx)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_ct_pools_mng *mng = priv->sh->ct_mng;
uint32_t ret;
struct mlx5_aso_ct_action *ct = flow_aso_ct_get_by_dev_idx(dev, idx);
enum mlx5_aso_ct_state state =
__atomic_load_n(&ct->state, __ATOMIC_RELAXED);
/* Cannot release when CT is in the ASO SQ. */
if (state == ASO_CONNTRACK_WAIT || state == ASO_CONNTRACK_QUERY)
return -1;
ret = __atomic_sub_fetch(&ct->refcnt, 1, __ATOMIC_RELAXED);
if (!ret) {
if (ct->dr_action_orig) {
#ifdef HAVE_MLX5_DR_ACTION_ASO_CT
claim_zero(mlx5_glue->destroy_flow_action
(ct->dr_action_orig));
#endif
ct->dr_action_orig = NULL;
}
if (ct->dr_action_rply) {
#ifdef HAVE_MLX5_DR_ACTION_ASO_CT
claim_zero(mlx5_glue->destroy_flow_action
(ct->dr_action_rply));
#endif
ct->dr_action_rply = NULL;
}
/* Clear the state to free, no need in 1st allocation. */
MLX5_ASO_CT_UPDATE_STATE(ct, ASO_CONNTRACK_FREE);
rte_spinlock_lock(&mng->ct_sl);
LIST_INSERT_HEAD(&mng->free_cts, ct, next);
rte_spinlock_unlock(&mng->ct_sl);
}
return (int)ret;
}
static inline int
flow_dv_aso_ct_release(struct rte_eth_dev *dev, uint32_t own_idx,
struct rte_flow_error *error)
{
uint16_t owner = (uint16_t)MLX5_INDIRECT_ACT_CT_GET_OWNER(own_idx);
uint32_t idx = MLX5_INDIRECT_ACT_CT_GET_IDX(own_idx);
struct rte_eth_dev *owndev = &rte_eth_devices[owner];
int ret;
MLX5_ASSERT(owner < RTE_MAX_ETHPORTS);
if (dev->data->dev_started != 1)
return rte_flow_error_set(error, EAGAIN,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"Indirect CT action cannot be destroyed when the port is stopped");
ret = flow_dv_aso_ct_dev_release(owndev, idx);
if (ret < 0)
return rte_flow_error_set(error, EAGAIN,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"Current state prevents indirect CT action from being destroyed");
return ret;
}
/*
* Resize the ASO CT pools array by 64 pools.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
*
* @return
* 0 on success, otherwise negative errno value and rte_errno is set.
*/
static int
flow_dv_aso_ct_pools_resize(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_ct_pools_mng *mng = priv->sh->ct_mng;
void *old_pools = mng->pools;
/* Magic number now, need a macro. */
uint32_t resize = mng->n + 64;
uint32_t mem_size = sizeof(struct mlx5_aso_ct_pool *) * resize;
void *pools = mlx5_malloc(MLX5_MEM_ZERO, mem_size, 0, SOCKET_ID_ANY);
if (!pools) {
rte_errno = ENOMEM;
return -rte_errno;
}
rte_rwlock_write_lock(&mng->resize_rwl);
/* ASO SQ/QP was already initialized in the startup. */
if (old_pools) {
/* Realloc could be an alternative choice. */
rte_memcpy(pools, old_pools,
mng->n * sizeof(struct mlx5_aso_ct_pool *));
mlx5_free(old_pools);
}
mng->n = resize;
mng->pools = pools;
rte_rwlock_write_unlock(&mng->resize_rwl);
return 0;
}
/*
* Create and initialize a new ASO CT pool.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[out] ct_free
* Where to put the pointer of a new CT action.
*
* @return
* The CT actions pool pointer and @p ct_free is set on success,
* NULL otherwise and rte_errno is set.
*/
static struct mlx5_aso_ct_pool *
flow_dv_ct_pool_create(struct rte_eth_dev *dev,
struct mlx5_aso_ct_action **ct_free)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_ct_pools_mng *mng = priv->sh->ct_mng;
struct mlx5_aso_ct_pool *pool = NULL;
struct mlx5_devx_obj *obj = NULL;
uint32_t i;
uint32_t log_obj_size = rte_log2_u32(MLX5_ASO_CT_ACTIONS_PER_POOL);
obj = mlx5_devx_cmd_create_conn_track_offload_obj(priv->sh->cdev->ctx,
priv->sh->cdev->pdn,
log_obj_size);
if (!obj) {
rte_errno = ENODATA;
DRV_LOG(ERR, "Failed to create conn_track_offload_obj using DevX.");
return NULL;
}
pool = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*pool), 0, SOCKET_ID_ANY);
if (!pool) {
rte_errno = ENOMEM;
claim_zero(mlx5_devx_cmd_destroy(obj));
return NULL;
}
pool->devx_obj = obj;
pool->index = mng->next;
/* Resize pools array if there is no room for the new pool in it. */
if (pool->index == mng->n && flow_dv_aso_ct_pools_resize(dev)) {
claim_zero(mlx5_devx_cmd_destroy(obj));
mlx5_free(pool);
return NULL;
}
mng->pools[pool->index] = pool;
mng->next++;
/* Assign the first action in the new pool, the rest go to free list. */
*ct_free = &pool->actions[0];
/* Lock outside, the list operation is safe here. */
for (i = 1; i < MLX5_ASO_CT_ACTIONS_PER_POOL; i++) {
/* refcnt is 0 when allocating the memory. */
pool->actions[i].offset = i;
LIST_INSERT_HEAD(&mng->free_cts, &pool->actions[i], next);
}
return pool;
}
/*
* Allocate a ASO CT action from free list.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[out] error
* Pointer to the error structure.
*
* @return
* Index to ASO CT action on success, 0 otherwise and rte_errno is set.
*/
static uint32_t
flow_dv_aso_ct_alloc(struct rte_eth_dev *dev, struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_ct_pools_mng *mng = priv->sh->ct_mng;
struct mlx5_aso_ct_action *ct = NULL;
struct mlx5_aso_ct_pool *pool;
uint8_t reg_c;
uint32_t ct_idx;
MLX5_ASSERT(mng);
if (!priv->sh->devx) {
rte_errno = ENOTSUP;
return 0;
}
/* Get a free CT action, if no, a new pool will be created. */
rte_spinlock_lock(&mng->ct_sl);
ct = LIST_FIRST(&mng->free_cts);
if (ct) {
LIST_REMOVE(ct, next);
} else if (!flow_dv_ct_pool_create(dev, &ct)) {
rte_spinlock_unlock(&mng->ct_sl);
rte_flow_error_set(error, rte_errno, RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "failed to create ASO CT pool");
return 0;
}
rte_spinlock_unlock(&mng->ct_sl);
pool = container_of(ct, struct mlx5_aso_ct_pool, actions[ct->offset]);
ct_idx = MLX5_MAKE_CT_IDX(pool->index, ct->offset);
/* 0: inactive, 1: created, 2+: used by flows. */
__atomic_store_n(&ct->refcnt, 1, __ATOMIC_RELAXED);
reg_c = mlx5_flow_get_reg_id(dev, MLX5_ASO_CONNTRACK, 0, error);
if (!ct->dr_action_orig) {
#ifdef HAVE_MLX5_DR_ACTION_ASO_CT
ct->dr_action_orig = mlx5_glue->dv_create_flow_action_aso
(priv->sh->rx_domain, pool->devx_obj->obj,
ct->offset,
MLX5DV_DR_ACTION_FLAGS_ASO_CT_DIRECTION_INITIATOR,
reg_c - REG_C_0);
#else
RTE_SET_USED(reg_c);
#endif
if (!ct->dr_action_orig) {
flow_dv_aso_ct_dev_release(dev, ct_idx);
rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"failed to create ASO CT action");
return 0;
}
}
if (!ct->dr_action_rply) {
#ifdef HAVE_MLX5_DR_ACTION_ASO_CT
ct->dr_action_rply = mlx5_glue->dv_create_flow_action_aso
(priv->sh->rx_domain, pool->devx_obj->obj,
ct->offset,
MLX5DV_DR_ACTION_FLAGS_ASO_CT_DIRECTION_RESPONDER,
reg_c - REG_C_0);
#endif
if (!ct->dr_action_rply) {
flow_dv_aso_ct_dev_release(dev, ct_idx);
rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"failed to create ASO CT action");
return 0;
}
}
return ct_idx;
}
/*
* Create a conntrack object with context and actions by using ASO mechanism.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] pro
* Pointer to conntrack information profile.
* @param[out] error
* Pointer to the error structure.
*
* @return
* Index to conntrack object on success, 0 otherwise.
*/
static uint32_t
flow_dv_translate_create_conntrack(struct rte_eth_dev *dev,
const struct rte_flow_action_conntrack *pro,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
struct mlx5_aso_ct_action *ct;
uint32_t idx;
if (!sh->ct_aso_en)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Connection is not supported");
idx = flow_dv_aso_ct_alloc(dev, error);
if (!idx)
return rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Failed to allocate CT object");
ct = flow_aso_ct_get_by_dev_idx(dev, idx);
if (mlx5_aso_ct_update_by_wqe(sh, ct, pro))
return rte_flow_error_set(error, EBUSY,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Failed to update CT");
ct->is_original = !!pro->is_original_dir;
ct->peer = pro->peer_port;
return idx;
}
/**
* Fill the flow with DV spec, lock free
* (mutex should be acquired by caller).
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in, out] dev_flow
* Pointer to the sub flow.
* @param[in] attr
* Pointer to the flow attributes.
* @param[in] items
* Pointer to the list of items.
* @param[in] actions
* Pointer to the list of actions.
* @param[out] error
* Pointer to the error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_translate(struct rte_eth_dev *dev,
struct mlx5_flow *dev_flow,
const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
const struct rte_flow_action actions[],
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *dev_conf = &priv->config;
struct rte_flow *flow = dev_flow->flow;
struct mlx5_flow_handle *handle = dev_flow->handle;
struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
struct mlx5_flow_rss_desc *rss_desc;
uint64_t item_flags = 0;
uint64_t last_item = 0;
uint64_t action_flags = 0;
struct mlx5_flow_dv_matcher matcher = {
.mask = {
.size = sizeof(matcher.mask.buf),
},
};
int actions_n = 0;
bool actions_end = false;
union {
struct mlx5_flow_dv_modify_hdr_resource res;
uint8_t len[sizeof(struct mlx5_flow_dv_modify_hdr_resource) +
sizeof(struct mlx5_modification_cmd) *
(MLX5_MAX_MODIFY_NUM + 1)];
} mhdr_dummy;
struct mlx5_flow_dv_modify_hdr_resource *mhdr_res = &mhdr_dummy.res;
const struct rte_flow_action_count *count = NULL;
const struct rte_flow_action_age *non_shared_age = NULL;
union flow_dv_attr flow_attr = { .attr = 0 };
uint32_t tag_be;
union mlx5_flow_tbl_key tbl_key;
uint32_t modify_action_position = UINT32_MAX;
void *match_mask = matcher.mask.buf;
void *match_value = dev_flow->dv.value.buf;
uint8_t next_protocol = 0xff;
struct rte_vlan_hdr vlan = { 0 };
struct mlx5_flow_dv_dest_array_resource mdest_res;
struct mlx5_flow_dv_sample_resource sample_res;
void *sample_actions[MLX5_DV_MAX_NUMBER_OF_ACTIONS] = {0};
const struct rte_flow_action_sample *sample = NULL;
struct mlx5_flow_sub_actions_list *sample_act;
uint32_t sample_act_pos = UINT32_MAX;
uint32_t age_act_pos = UINT32_MAX;
uint32_t num_of_dest = 0;
int tmp_actions_n = 0;
uint32_t table;
int ret = 0;
const struct mlx5_flow_tunnel *tunnel = NULL;
struct flow_grp_info grp_info = {
.external = !!dev_flow->external,
.transfer = !!attr->transfer,
.fdb_def_rule = !!priv->fdb_def_rule,
.skip_scale = dev_flow->skip_scale &
(1 << MLX5_SCALE_FLOW_GROUP_BIT),
.std_tbl_fix = true,
};
const struct rte_flow_item *integrity_items[2] = {NULL, NULL};
const struct rte_flow_item *tunnel_item = NULL;
if (!wks)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"failed to push flow workspace");
rss_desc = &wks->rss_desc;
memset(&mdest_res, 0, sizeof(struct mlx5_flow_dv_dest_array_resource));
memset(&sample_res, 0, sizeof(struct mlx5_flow_dv_sample_resource));
mhdr_res->ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
/* update normal path action resource into last index of array */
sample_act = &mdest_res.sample_act[MLX5_MAX_DEST_NUM - 1];
if (is_tunnel_offload_active(dev)) {
if (dev_flow->tunnel) {
RTE_VERIFY(dev_flow->tof_type ==
MLX5_TUNNEL_OFFLOAD_MISS_RULE);
tunnel = dev_flow->tunnel;
} else {
tunnel = mlx5_get_tof(items, actions,
&dev_flow->tof_type);
dev_flow->tunnel = tunnel;
}
grp_info.std_tbl_fix = tunnel_use_standard_attr_group_translate
(dev, attr, tunnel, dev_flow->tof_type);
}
mhdr_res->ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
ret = mlx5_flow_group_to_table(dev, tunnel, attr->group, &table,
&grp_info, error);
if (ret)
return ret;
dev_flow->dv.group = table;
if (attr->transfer)
mhdr_res->ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
/* number of actions must be set to 0 in case of dirty stack. */
mhdr_res->actions_num = 0;
if (is_flow_tunnel_match_rule(dev_flow->tof_type)) {
/*
* do not add decap action if match rule drops packet
* HW rejects rules with decap & drop
*
* if tunnel match rule was inserted before matching tunnel set
* rule flow table used in the match rule must be registered.
* current implementation handles that in the
* flow_dv_match_register() at the function end.
*/
bool add_decap = true;
const struct rte_flow_action *ptr = actions;
for (; ptr->type != RTE_FLOW_ACTION_TYPE_END; ptr++) {
if (ptr->type == RTE_FLOW_ACTION_TYPE_DROP) {
add_decap = false;
break;
}
}
if (add_decap) {
if (flow_dv_create_action_l2_decap(dev, dev_flow,
attr->transfer,
error))
return -rte_errno;
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.encap_decap->action;
action_flags |= MLX5_FLOW_ACTION_DECAP;
}
}
for (; !actions_end ; actions++) {
const struct rte_flow_action_queue *queue;
const struct rte_flow_action_rss *rss;
const struct rte_flow_action *action = actions;
const uint8_t *rss_key;
struct mlx5_flow_tbl_resource *tbl;
struct mlx5_aso_age_action *age_act;
struct mlx5_flow_counter *cnt_act;
uint32_t port_id = 0;
struct mlx5_flow_dv_port_id_action_resource port_id_resource;
int action_type = actions->type;
const struct rte_flow_action *found_action = NULL;
uint32_t jump_group = 0;
uint32_t owner_idx;
struct mlx5_aso_ct_action *ct;
if (!mlx5_flow_os_action_supported(action_type))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
actions,
"action not supported");
switch (action_type) {
case MLX5_RTE_FLOW_ACTION_TYPE_TUNNEL_SET:
action_flags |= MLX5_FLOW_ACTION_TUNNEL_SET;
break;
case RTE_FLOW_ACTION_TYPE_VOID:
break;
case RTE_FLOW_ACTION_TYPE_PORT_ID:
case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT:
if (flow_dv_translate_action_port_id(dev, action,
&port_id, error))
return -rte_errno;
port_id_resource.port_id = port_id;
MLX5_ASSERT(!handle->rix_port_id_action);
if (flow_dv_port_id_action_resource_register
(dev, &port_id_resource, dev_flow, error))
return -rte_errno;
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.port_id_action->action;
action_flags |= MLX5_FLOW_ACTION_PORT_ID;
dev_flow->handle->fate_action = MLX5_FLOW_FATE_PORT_ID;
sample_act->action_flags |= MLX5_FLOW_ACTION_PORT_ID;
num_of_dest++;
break;
case RTE_FLOW_ACTION_TYPE_FLAG:
action_flags |= MLX5_FLOW_ACTION_FLAG;
wks->mark = 1;
if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
struct rte_flow_action_mark mark = {
.id = MLX5_FLOW_MARK_DEFAULT,
};
if (flow_dv_convert_action_mark(dev, &mark,
mhdr_res,
error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_MARK_EXT;
break;
}
tag_be = mlx5_flow_mark_set(MLX5_FLOW_MARK_DEFAULT);
/*
* Only one FLAG or MARK is supported per device flow
* right now. So the pointer to the tag resource must be
* zero before the register process.
*/
MLX5_ASSERT(!handle->dvh.rix_tag);
if (flow_dv_tag_resource_register(dev, tag_be,
dev_flow, error))
return -rte_errno;
MLX5_ASSERT(dev_flow->dv.tag_resource);
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.tag_resource->action;
break;
case RTE_FLOW_ACTION_TYPE_MARK:
action_flags |= MLX5_FLOW_ACTION_MARK;
wks->mark = 1;
if (dev_conf->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
const struct rte_flow_action_mark *mark =
(const struct rte_flow_action_mark *)
actions->conf;
if (flow_dv_convert_action_mark(dev, mark,
mhdr_res,
error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_MARK_EXT;
break;
}
/* Fall-through */
case MLX5_RTE_FLOW_ACTION_TYPE_MARK:
/* Legacy (non-extensive) MARK action. */
tag_be = mlx5_flow_mark_set
(((const struct rte_flow_action_mark *)
(actions->conf))->id);
MLX5_ASSERT(!handle->dvh.rix_tag);
if (flow_dv_tag_resource_register(dev, tag_be,
dev_flow, error))
return -rte_errno;
MLX5_ASSERT(dev_flow->dv.tag_resource);
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.tag_resource->action;
break;
case RTE_FLOW_ACTION_TYPE_SET_META:
if (flow_dv_convert_action_set_meta
(dev, mhdr_res, attr,
(const struct rte_flow_action_set_meta *)
actions->conf, error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_SET_META;
break;
case RTE_FLOW_ACTION_TYPE_SET_TAG:
if (flow_dv_convert_action_set_tag
(dev, mhdr_res,
(const struct rte_flow_action_set_tag *)
actions->conf, error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_SET_TAG;
break;
case RTE_FLOW_ACTION_TYPE_DROP:
action_flags |= MLX5_FLOW_ACTION_DROP;
dev_flow->handle->fate_action = MLX5_FLOW_FATE_DROP;
break;
case RTE_FLOW_ACTION_TYPE_QUEUE:
queue = actions->conf;
rss_desc->queue_num = 1;
rss_desc->queue[0] = queue->index;
action_flags |= MLX5_FLOW_ACTION_QUEUE;
dev_flow->handle->fate_action = MLX5_FLOW_FATE_QUEUE;
sample_act->action_flags |= MLX5_FLOW_ACTION_QUEUE;
num_of_dest++;
break;
case RTE_FLOW_ACTION_TYPE_RSS:
rss = actions->conf;
memcpy(rss_desc->queue, rss->queue,
rss->queue_num * sizeof(uint16_t));
rss_desc->queue_num = rss->queue_num;
/* NULL RSS key indicates default RSS key. */
rss_key = !rss->key ? rss_hash_default_key : rss->key;
memcpy(rss_desc->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
/*
* rss->level and rss.types should be set in advance
* when expanding items for RSS.
*/
action_flags |= MLX5_FLOW_ACTION_RSS;
dev_flow->handle->fate_action = rss_desc->shared_rss ?
MLX5_FLOW_FATE_SHARED_RSS :
MLX5_FLOW_FATE_QUEUE;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_AGE:
owner_idx = (uint32_t)(uintptr_t)action->conf;
age_act = flow_aso_age_get_by_idx(dev, owner_idx);
if (flow->age == 0) {
flow->age = owner_idx;
__atomic_fetch_add(&age_act->refcnt, 1,
__ATOMIC_RELAXED);
}
age_act_pos = actions_n++;
action_flags |= MLX5_FLOW_ACTION_AGE;
break;
case RTE_FLOW_ACTION_TYPE_AGE:
non_shared_age = action->conf;
age_act_pos = actions_n++;
action_flags |= MLX5_FLOW_ACTION_AGE;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_COUNT:
owner_idx = (uint32_t)(uintptr_t)action->conf;
cnt_act = flow_dv_counter_get_by_idx(dev, owner_idx,
NULL);
MLX5_ASSERT(cnt_act != NULL);
/**
* When creating meter drop flow in drop table, the
* counter should not overwrite the rte flow counter.
*/
if (attr->group == MLX5_FLOW_TABLE_LEVEL_METER &&
dev_flow->dv.table_id == MLX5_MTR_TABLE_ID_DROP) {
dev_flow->dv.actions[actions_n++] =
cnt_act->action;
} else {
if (flow->counter == 0) {
flow->counter = owner_idx;
__atomic_fetch_add
(&cnt_act->shared_info.refcnt,
1, __ATOMIC_RELAXED);
}
/* Save information first, will apply later. */
action_flags |= MLX5_FLOW_ACTION_COUNT;
}
break;
case RTE_FLOW_ACTION_TYPE_COUNT:
if (!priv->sh->devx) {
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"count action not supported");
}
/* Save information first, will apply later. */
count = action->conf;
action_flags |= MLX5_FLOW_ACTION_COUNT;
break;
case RTE_FLOW_ACTION_TYPE_OF_POP_VLAN:
dev_flow->dv.actions[actions_n++] =
priv->sh->pop_vlan_action;
action_flags |= MLX5_FLOW_ACTION_OF_POP_VLAN;
break;
case RTE_FLOW_ACTION_TYPE_OF_PUSH_VLAN:
if (!(action_flags &
MLX5_FLOW_ACTION_OF_SET_VLAN_VID))
flow_dev_get_vlan_info_from_items(items, &vlan);
vlan.eth_proto = rte_be_to_cpu_16
((((const struct rte_flow_action_of_push_vlan *)
actions->conf)->ethertype));
found_action = mlx5_flow_find_action
(actions + 1,
RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID);
if (found_action)
mlx5_update_vlan_vid_pcp(found_action, &vlan);
found_action = mlx5_flow_find_action
(actions + 1,
RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP);
if (found_action)
mlx5_update_vlan_vid_pcp(found_action, &vlan);
if (flow_dv_create_action_push_vlan
(dev, attr, &vlan, dev_flow, error))
return -rte_errno;
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.push_vlan_res->action;
action_flags |= MLX5_FLOW_ACTION_OF_PUSH_VLAN;
break;
case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_PCP:
/* of_vlan_push action handled this action */
MLX5_ASSERT(action_flags &
MLX5_FLOW_ACTION_OF_PUSH_VLAN);
break;
case RTE_FLOW_ACTION_TYPE_OF_SET_VLAN_VID:
if (action_flags & MLX5_FLOW_ACTION_OF_PUSH_VLAN)
break;
flow_dev_get_vlan_info_from_items(items, &vlan);
mlx5_update_vlan_vid_pcp(actions, &vlan);
/* If no VLAN push - this is a modify header action */
if (flow_dv_convert_action_modify_vlan_vid
(mhdr_res, actions, error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_OF_SET_VLAN_VID;
break;
case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
if (flow_dv_create_action_l2_encap(dev, actions,
dev_flow,
attr->transfer,
error))
return -rte_errno;
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.encap_decap->action;
action_flags |= MLX5_FLOW_ACTION_ENCAP;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
sample_act->action_flags |=
MLX5_FLOW_ACTION_ENCAP;
break;
case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
case RTE_FLOW_ACTION_TYPE_NVGRE_DECAP:
if (flow_dv_create_action_l2_decap(dev, dev_flow,
attr->transfer,
error))
return -rte_errno;
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.encap_decap->action;
action_flags |= MLX5_FLOW_ACTION_DECAP;
break;
case RTE_FLOW_ACTION_TYPE_RAW_ENCAP:
/* Handle encap with preceding decap. */
if (action_flags & MLX5_FLOW_ACTION_DECAP) {
if (flow_dv_create_action_raw_encap
(dev, actions, dev_flow, attr, error))
return -rte_errno;
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.encap_decap->action;
} else {
/* Handle encap without preceding decap. */
if (flow_dv_create_action_l2_encap
(dev, actions, dev_flow, attr->transfer,
error))
return -rte_errno;
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.encap_decap->action;
}
action_flags |= MLX5_FLOW_ACTION_ENCAP;
if (action_flags & MLX5_FLOW_ACTION_SAMPLE)
sample_act->action_flags |=
MLX5_FLOW_ACTION_ENCAP;
break;
case RTE_FLOW_ACTION_TYPE_RAW_DECAP:
while ((++action)->type == RTE_FLOW_ACTION_TYPE_VOID)
;
if (action->type != RTE_FLOW_ACTION_TYPE_RAW_ENCAP) {
if (flow_dv_create_action_l2_decap
(dev, dev_flow, attr->transfer, error))
return -rte_errno;
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.encap_decap->action;
}
/* If decap is followed by encap, handle it at encap. */
action_flags |= MLX5_FLOW_ACTION_DECAP;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_JUMP:
dev_flow->dv.actions[actions_n++] =
(void *)(uintptr_t)action->conf;
action_flags |= MLX5_FLOW_ACTION_JUMP;
break;
case RTE_FLOW_ACTION_TYPE_JUMP:
jump_group = ((const struct rte_flow_action_jump *)
action->conf)->group;
grp_info.std_tbl_fix = 0;
if (dev_flow->skip_scale &
(1 << MLX5_SCALE_JUMP_FLOW_GROUP_BIT))
grp_info.skip_scale = 1;
else
grp_info.skip_scale = 0;
ret = mlx5_flow_group_to_table(dev, tunnel,
jump_group,
&table,
&grp_info, error);
if (ret)
return ret;
tbl = flow_dv_tbl_resource_get(dev, table, attr->egress,
attr->transfer,
!!dev_flow->external,
tunnel, jump_group, 0,
0, error);
if (!tbl)
return rte_flow_error_set
(error, errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"cannot create jump action.");
if (flow_dv_jump_tbl_resource_register
(dev, tbl, dev_flow, error)) {
flow_dv_tbl_resource_release(MLX5_SH(dev), tbl);
return rte_flow_error_set
(error, errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"cannot create jump action.");
}
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.jump->action;
action_flags |= MLX5_FLOW_ACTION_JUMP;
dev_flow->handle->fate_action = MLX5_FLOW_FATE_JUMP;
sample_act->action_flags |= MLX5_FLOW_ACTION_JUMP;
num_of_dest++;
break;
case RTE_FLOW_ACTION_TYPE_SET_MAC_SRC:
case RTE_FLOW_ACTION_TYPE_SET_MAC_DST:
if (flow_dv_convert_action_modify_mac
(mhdr_res, actions, error))
return -rte_errno;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_SET_MAC_SRC ?
MLX5_FLOW_ACTION_SET_MAC_SRC :
MLX5_FLOW_ACTION_SET_MAC_DST;
break;
case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
if (flow_dv_convert_action_modify_ipv4
(mhdr_res, actions, error))
return -rte_errno;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC ?
MLX5_FLOW_ACTION_SET_IPV4_SRC :
MLX5_FLOW_ACTION_SET_IPV4_DST;
break;
case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
case RTE_FLOW_ACTION_TYPE_SET_IPV6_DST:
if (flow_dv_convert_action_modify_ipv6
(mhdr_res, actions, error))
return -rte_errno;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC ?
MLX5_FLOW_ACTION_SET_IPV6_SRC :
MLX5_FLOW_ACTION_SET_IPV6_DST;
break;
case RTE_FLOW_ACTION_TYPE_SET_TP_SRC:
case RTE_FLOW_ACTION_TYPE_SET_TP_DST:
if (flow_dv_convert_action_modify_tp
(mhdr_res, actions, items,
&flow_attr, dev_flow, !!(action_flags &
MLX5_FLOW_ACTION_DECAP), error))
return -rte_errno;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_SET_TP_SRC ?
MLX5_FLOW_ACTION_SET_TP_SRC :
MLX5_FLOW_ACTION_SET_TP_DST;
break;
case RTE_FLOW_ACTION_TYPE_DEC_TTL:
if (flow_dv_convert_action_modify_dec_ttl
(mhdr_res, items, &flow_attr, dev_flow,
!!(action_flags &
MLX5_FLOW_ACTION_DECAP), error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_DEC_TTL;
break;
case RTE_FLOW_ACTION_TYPE_SET_TTL:
if (flow_dv_convert_action_modify_ttl
(mhdr_res, actions, items, &flow_attr,
dev_flow, !!(action_flags &
MLX5_FLOW_ACTION_DECAP), error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_SET_TTL;
break;
case RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ:
case RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ:
if (flow_dv_convert_action_modify_tcp_seq
(mhdr_res, actions, error))
return -rte_errno;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ ?
MLX5_FLOW_ACTION_INC_TCP_SEQ :
MLX5_FLOW_ACTION_DEC_TCP_SEQ;
break;
case RTE_FLOW_ACTION_TYPE_INC_TCP_ACK:
case RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK:
if (flow_dv_convert_action_modify_tcp_ack
(mhdr_res, actions, error))
return -rte_errno;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_INC_TCP_ACK ?
MLX5_FLOW_ACTION_INC_TCP_ACK :
MLX5_FLOW_ACTION_DEC_TCP_ACK;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_TAG:
if (flow_dv_convert_action_set_reg
(mhdr_res, actions, error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_SET_TAG;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG:
if (flow_dv_convert_action_copy_mreg
(dev, mhdr_res, actions, error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_SET_TAG;
break;
case MLX5_RTE_FLOW_ACTION_TYPE_DEFAULT_MISS:
action_flags |= MLX5_FLOW_ACTION_DEFAULT_MISS;
dev_flow->handle->fate_action =
MLX5_FLOW_FATE_DEFAULT_MISS;
break;
case RTE_FLOW_ACTION_TYPE_METER:
if (!wks->fm)
return rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "Failed to get meter in flow.");
/* Set the meter action. */
dev_flow->dv.actions[actions_n++] =
wks->fm->meter_action;
action_flags |= MLX5_FLOW_ACTION_METER;
break;
case RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP:
if (flow_dv_convert_action_modify_ipv4_dscp(mhdr_res,
actions, error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_SET_IPV4_DSCP;
break;
case RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP:
if (flow_dv_convert_action_modify_ipv6_dscp(mhdr_res,
actions, error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_SET_IPV6_DSCP;
break;
case RTE_FLOW_ACTION_TYPE_SAMPLE:
sample_act_pos = actions_n;
sample = (const struct rte_flow_action_sample *)
action->conf;
actions_n++;
action_flags |= MLX5_FLOW_ACTION_SAMPLE;
/* put encap action into group if work with port id */
if ((action_flags & MLX5_FLOW_ACTION_ENCAP) &&
(action_flags & MLX5_FLOW_ACTION_PORT_ID))
sample_act->action_flags |=
MLX5_FLOW_ACTION_ENCAP;
break;
case RTE_FLOW_ACTION_TYPE_MODIFY_FIELD:
if (flow_dv_convert_action_modify_field
(dev, mhdr_res, actions, attr, error))
return -rte_errno;
action_flags |= MLX5_FLOW_ACTION_MODIFY_FIELD;
break;
case RTE_FLOW_ACTION_TYPE_CONNTRACK:
owner_idx = (uint32_t)(uintptr_t)action->conf;
ct = flow_aso_ct_get_by_idx(dev, owner_idx);
if (!ct)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"Failed to get CT object.");
if (mlx5_aso_ct_available(priv->sh, ct))
return rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"CT is unavailable.");
if (ct->is_original)
dev_flow->dv.actions[actions_n] =
ct->dr_action_orig;
else
dev_flow->dv.actions[actions_n] =
ct->dr_action_rply;
if (flow->ct == 0) {
flow->indirect_type =
MLX5_INDIRECT_ACTION_TYPE_CT;
flow->ct = owner_idx;
__atomic_fetch_add(&ct->refcnt, 1,
__ATOMIC_RELAXED);
}
actions_n++;
action_flags |= MLX5_FLOW_ACTION_CT;
break;
case RTE_FLOW_ACTION_TYPE_END:
actions_end = true;
if (mhdr_res->actions_num) {
/* create modify action if needed. */
if (flow_dv_modify_hdr_resource_register
(dev, mhdr_res, dev_flow, error))
return -rte_errno;
dev_flow->dv.actions[modify_action_position] =
handle->dvh.modify_hdr->action;
}
/*
* Handle AGE and COUNT action by single HW counter
* when they are not shared.
*/
if (action_flags & MLX5_FLOW_ACTION_AGE) {
if ((non_shared_age && count) ||
!(priv->sh->flow_hit_aso_en &&
(attr->group || attr->transfer))) {
/* Creates age by counters. */
cnt_act = flow_dv_prepare_counter
(dev, dev_flow,
flow, count,
non_shared_age,
error);
if (!cnt_act)
return -rte_errno;
dev_flow->dv.actions[age_act_pos] =
cnt_act->action;
break;
}
if (!flow->age && non_shared_age) {
flow->age = flow_dv_aso_age_alloc
(dev, error);
if (!flow->age)
return -rte_errno;
flow_dv_aso_age_params_init
(dev, flow->age,
non_shared_age->context ?
non_shared_age->context :
(void *)(uintptr_t)
(dev_flow->flow_idx),
non_shared_age->timeout);
}
age_act = flow_aso_age_get_by_idx(dev,
flow->age);
dev_flow->dv.actions[age_act_pos] =
age_act->dr_action;
}
if (action_flags & MLX5_FLOW_ACTION_COUNT) {
/*
* Create one count action, to be used
* by all sub-flows.
*/
cnt_act = flow_dv_prepare_counter(dev, dev_flow,
flow, count,
NULL, error);
if (!cnt_act)
return -rte_errno;
dev_flow->dv.actions[actions_n++] =
cnt_act->action;
}
default:
break;
}
if (mhdr_res->actions_num &&
modify_action_position == UINT32_MAX)
modify_action_position = actions_n++;
}
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
int item_type = items->type;
if (!mlx5_flow_os_item_supported(item_type))
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "item not supported");
switch (item_type) {
case RTE_FLOW_ITEM_TYPE_PORT_ID:
flow_dv_translate_item_port_id
(dev, match_mask, match_value, items, attr);
last_item = MLX5_FLOW_ITEM_PORT_ID;
break;
case RTE_FLOW_ITEM_TYPE_ETH:
flow_dv_translate_item_eth(match_mask, match_value,
items, tunnel,
dev_flow->dv.group);
matcher.priority = action_flags &
MLX5_FLOW_ACTION_DEFAULT_MISS &&
!dev_flow->external ?
MLX5_PRIORITY_MAP_L3 :
MLX5_PRIORITY_MAP_L2;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
MLX5_FLOW_LAYER_OUTER_L2;
break;
case RTE_FLOW_ITEM_TYPE_VLAN:
flow_dv_translate_item_vlan(dev_flow,
match_mask, match_value,
items, tunnel,
dev_flow->dv.group);
matcher.priority = MLX5_PRIORITY_MAP_L2;
last_item = tunnel ? (MLX5_FLOW_LAYER_INNER_L2 |
MLX5_FLOW_LAYER_INNER_VLAN) :
(MLX5_FLOW_LAYER_OUTER_L2 |
MLX5_FLOW_LAYER_OUTER_VLAN);
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
mlx5_flow_tunnel_ip_check(items, next_protocol,
&item_flags, &tunnel);
flow_dv_translate_item_ipv4(match_mask, match_value,
items, tunnel,
dev_flow->dv.group);
matcher.priority = MLX5_PRIORITY_MAP_L3;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
MLX5_FLOW_LAYER_OUTER_L3_IPV4;
if (items->mask != NULL &&
((const struct rte_flow_item_ipv4 *)
items->mask)->hdr.next_proto_id) {
next_protocol =
((const struct rte_flow_item_ipv4 *)
(items->spec))->hdr.next_proto_id;
next_protocol &=
((const struct rte_flow_item_ipv4 *)
(items->mask))->hdr.next_proto_id;
} else {
/* Reset for inner layer. */
next_protocol = 0xff;
}
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
mlx5_flow_tunnel_ip_check(items, next_protocol,
&item_flags, &tunnel);
flow_dv_translate_item_ipv6(match_mask, match_value,
items, tunnel,
dev_flow->dv.group);
matcher.priority = MLX5_PRIORITY_MAP_L3;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
MLX5_FLOW_LAYER_OUTER_L3_IPV6;
if (items->mask != NULL &&
((const struct rte_flow_item_ipv6 *)
items->mask)->hdr.proto) {
next_protocol =
((const struct rte_flow_item_ipv6 *)
items->spec)->hdr.proto;
next_protocol &=
((const struct rte_flow_item_ipv6 *)
items->mask)->hdr.proto;
} else {
/* Reset for inner layer. */
next_protocol = 0xff;
}
break;
case RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT:
flow_dv_translate_item_ipv6_frag_ext(match_mask,
match_value,
items, tunnel);
last_item = tunnel ?
MLX5_FLOW_LAYER_INNER_L3_IPV6_FRAG_EXT :
MLX5_FLOW_LAYER_OUTER_L3_IPV6_FRAG_EXT;
if (items->mask != NULL &&
((const struct rte_flow_item_ipv6_frag_ext *)
items->mask)->hdr.next_header) {
next_protocol =
((const struct rte_flow_item_ipv6_frag_ext *)
items->spec)->hdr.next_header;
next_protocol &=
((const struct rte_flow_item_ipv6_frag_ext *)
items->mask)->hdr.next_header;
} else {
/* Reset for inner layer. */
next_protocol = 0xff;
}
break;
case RTE_FLOW_ITEM_TYPE_TCP:
flow_dv_translate_item_tcp(match_mask, match_value,
items, tunnel);
matcher.priority = MLX5_PRIORITY_MAP_L4;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_TCP :
MLX5_FLOW_LAYER_OUTER_L4_TCP;
break;
case RTE_FLOW_ITEM_TYPE_UDP:
flow_dv_translate_item_udp(match_mask, match_value,
items, tunnel);
matcher.priority = MLX5_PRIORITY_MAP_L4;
last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L4_UDP :
MLX5_FLOW_LAYER_OUTER_L4_UDP;
break;
case RTE_FLOW_ITEM_TYPE_GRE:
matcher.priority = MLX5_TUNNEL_PRIO_GET(rss_desc);
last_item = MLX5_FLOW_LAYER_GRE;
tunnel_item = items;
break;
case RTE_FLOW_ITEM_TYPE_GRE_KEY:
flow_dv_translate_item_gre_key(match_mask,
match_value, items);
last_item = MLX5_FLOW_LAYER_GRE_KEY;
break;
case RTE_FLOW_ITEM_TYPE_NVGRE:
matcher.priority = MLX5_TUNNEL_PRIO_GET(rss_desc);
last_item = MLX5_FLOW_LAYER_GRE;
tunnel_item = items;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN:
flow_dv_translate_item_vxlan(dev, attr,
match_mask, match_value,
items, tunnel);
matcher.priority = MLX5_TUNNEL_PRIO_GET(rss_desc);
last_item = MLX5_FLOW_LAYER_VXLAN;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
matcher.priority = MLX5_TUNNEL_PRIO_GET(rss_desc);
last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
tunnel_item = items;
break;
case RTE_FLOW_ITEM_TYPE_GENEVE:
matcher.priority = MLX5_TUNNEL_PRIO_GET(rss_desc);
last_item = MLX5_FLOW_LAYER_GENEVE;
tunnel_item = items;
break;
case RTE_FLOW_ITEM_TYPE_GENEVE_OPT:
ret = flow_dv_translate_item_geneve_opt(dev, match_mask,
match_value,
items, error);
if (ret)
return rte_flow_error_set(error, -ret,
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
"cannot create GENEVE TLV option");
flow->geneve_tlv_option = 1;
last_item = MLX5_FLOW_LAYER_GENEVE_OPT;
break;
case RTE_FLOW_ITEM_TYPE_MPLS:
flow_dv_translate_item_mpls(match_mask, match_value,
items, last_item, tunnel);
matcher.priority = MLX5_TUNNEL_PRIO_GET(rss_desc);
last_item = MLX5_FLOW_LAYER_MPLS;
break;
case RTE_FLOW_ITEM_TYPE_MARK:
flow_dv_translate_item_mark(dev, match_mask,
match_value, items);
last_item = MLX5_FLOW_ITEM_MARK;
break;
case RTE_FLOW_ITEM_TYPE_META:
flow_dv_translate_item_meta(dev, match_mask,
match_value, attr, items);
last_item = MLX5_FLOW_ITEM_METADATA;
break;
case RTE_FLOW_ITEM_TYPE_ICMP:
flow_dv_translate_item_icmp(match_mask, match_value,
items, tunnel);
last_item = MLX5_FLOW_LAYER_ICMP;
break;
case RTE_FLOW_ITEM_TYPE_ICMP6:
flow_dv_translate_item_icmp6(match_mask, match_value,
items, tunnel);
last_item = MLX5_FLOW_LAYER_ICMP6;
break;
case RTE_FLOW_ITEM_TYPE_TAG:
flow_dv_translate_item_tag(dev, match_mask,
match_value, items);
last_item = MLX5_FLOW_ITEM_TAG;
break;
case MLX5_RTE_FLOW_ITEM_TYPE_TAG:
flow_dv_translate_mlx5_item_tag(dev, match_mask,
match_value, items);
last_item = MLX5_FLOW_ITEM_TAG;
break;
case MLX5_RTE_FLOW_ITEM_TYPE_TX_QUEUE:
flow_dv_translate_item_tx_queue(dev, match_mask,
match_value,
items);
last_item = MLX5_FLOW_ITEM_TX_QUEUE;
break;
case RTE_FLOW_ITEM_TYPE_GTP:
flow_dv_translate_item_gtp(match_mask, match_value,
items, tunnel);
matcher.priority = MLX5_TUNNEL_PRIO_GET(rss_desc);
last_item = MLX5_FLOW_LAYER_GTP;
break;
case RTE_FLOW_ITEM_TYPE_GTP_PSC:
ret = flow_dv_translate_item_gtp_psc(match_mask,
match_value,
items);
if (ret)
return rte_flow_error_set(error, -ret,
RTE_FLOW_ERROR_TYPE_ITEM, NULL,
"cannot create GTP PSC item");
last_item = MLX5_FLOW_LAYER_GTP_PSC;
break;
case RTE_FLOW_ITEM_TYPE_ECPRI:
if (!mlx5_flex_parser_ecpri_exist(dev)) {
/* Create it only the first time to be used. */
ret = mlx5_flex_parser_ecpri_alloc(dev);
if (ret)
return rte_flow_error_set
(error, -ret,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL,
"cannot create eCPRI parser");
}
flow_dv_translate_item_ecpri(dev, match_mask,
match_value, items,
last_item);
/* No other protocol should follow eCPRI layer. */
last_item = MLX5_FLOW_LAYER_ECPRI;
break;
case RTE_FLOW_ITEM_TYPE_INTEGRITY:
flow_dv_translate_item_integrity(items, integrity_items,
&last_item);
break;
case RTE_FLOW_ITEM_TYPE_CONNTRACK:
flow_dv_translate_item_aso_ct(dev, match_mask,
match_value, items);
break;
case RTE_FLOW_ITEM_TYPE_FLEX:
flow_dv_translate_item_flex(dev, match_mask,
match_value, items,
dev_flow, tunnel != 0);
last_item = tunnel ? MLX5_FLOW_ITEM_INNER_FLEX :
MLX5_FLOW_ITEM_OUTER_FLEX;
break;
default:
break;
}
item_flags |= last_item;
}
/*
* When E-Switch mode is enabled, we have two cases where we need to
* set the source port manually.
* The first one, is in case of Nic steering rule, and the second is
* E-Switch rule where no port_id item was found. In both cases
* the source port is set according the current port in use.
*/
if (!(item_flags & MLX5_FLOW_ITEM_PORT_ID) &&
(priv->representor || priv->master)) {
if (flow_dv_translate_item_port_id(dev, match_mask,
match_value, NULL, attr))
return -rte_errno;
}
if (item_flags & MLX5_FLOW_ITEM_INTEGRITY) {
flow_dv_translate_item_integrity_post(match_mask, match_value,
integrity_items,
item_flags);
}
if (item_flags & MLX5_FLOW_LAYER_VXLAN_GPE)
flow_dv_translate_item_vxlan_gpe(match_mask, match_value,
tunnel_item, item_flags);
else if (item_flags & MLX5_FLOW_LAYER_GENEVE)
flow_dv_translate_item_geneve(match_mask, match_value,
tunnel_item, item_flags);
else if (item_flags & MLX5_FLOW_LAYER_GRE) {
if (tunnel_item->type == RTE_FLOW_ITEM_TYPE_GRE)
flow_dv_translate_item_gre(match_mask, match_value,
tunnel_item, item_flags);
else if (tunnel_item->type == RTE_FLOW_ITEM_TYPE_NVGRE)
flow_dv_translate_item_nvgre(match_mask, match_value,
tunnel_item, item_flags);
else
MLX5_ASSERT(false);
}
#ifdef RTE_LIBRTE_MLX5_DEBUG
MLX5_ASSERT(!flow_dv_check_valid_spec(matcher.mask.buf,
dev_flow->dv.value.buf));
#endif
/*
* Layers may be already initialized from prefix flow if this dev_flow
* is the suffix flow.
*/
handle->layers |= item_flags;
if (action_flags & MLX5_FLOW_ACTION_RSS)
flow_dv_hashfields_set(dev_flow, rss_desc);
/* If has RSS action in the sample action, the Sample/Mirror resource
* should be registered after the hash filed be update.
*/
if (action_flags & MLX5_FLOW_ACTION_SAMPLE) {
ret = flow_dv_translate_action_sample(dev,
sample,
dev_flow, attr,
&num_of_dest,
sample_actions,
&sample_res,
error);
if (ret < 0)
return ret;
ret = flow_dv_create_action_sample(dev,
dev_flow,
num_of_dest,
&sample_res,
&mdest_res,
sample_actions,
action_flags,
error);
if (ret < 0)
return rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"cannot create sample action");
if (num_of_dest > 1) {
dev_flow->dv.actions[sample_act_pos] =
dev_flow->dv.dest_array_res->action;
} else {
dev_flow->dv.actions[sample_act_pos] =
dev_flow->dv.sample_res->verbs_action;
}
}
/*
* For multiple destination (sample action with ratio=1), the encap
* action and port id action will be combined into group action.
* So need remove the original these actions in the flow and only
* use the sample action instead of.
*/
if (num_of_dest > 1 &&
(sample_act->dr_port_id_action || sample_act->dr_jump_action)) {
int i;
void *temp_actions[MLX5_DV_MAX_NUMBER_OF_ACTIONS] = {0};
for (i = 0; i < actions_n; i++) {
if ((sample_act->dr_encap_action &&
sample_act->dr_encap_action ==
dev_flow->dv.actions[i]) ||
(sample_act->dr_port_id_action &&
sample_act->dr_port_id_action ==
dev_flow->dv.actions[i]) ||
(sample_act->dr_jump_action &&
sample_act->dr_jump_action ==
dev_flow->dv.actions[i]))
continue;
temp_actions[tmp_actions_n++] = dev_flow->dv.actions[i];
}
memcpy((void *)dev_flow->dv.actions,
(void *)temp_actions,
tmp_actions_n * sizeof(void *));
actions_n = tmp_actions_n;
}
dev_flow->dv.actions_n = actions_n;
dev_flow->act_flags = action_flags;
if (wks->skip_matcher_reg)
return 0;
/* Register matcher. */
matcher.crc = rte_raw_cksum((const void *)matcher.mask.buf,
matcher.mask.size);
matcher.priority = mlx5_get_matcher_priority(dev, attr,
matcher.priority,
dev_flow->external);
/**
* When creating meter drop flow in drop table, using original
* 5-tuple match, the matcher priority should be lower than
* mtr_id matcher.
*/
if (attr->group == MLX5_FLOW_TABLE_LEVEL_METER &&
dev_flow->dv.table_id == MLX5_MTR_TABLE_ID_DROP &&
matcher.priority <= MLX5_REG_BITS)
matcher.priority += MLX5_REG_BITS;
/* reserved field no needs to be set to 0 here. */
tbl_key.is_fdb = attr->transfer;
tbl_key.is_egress = attr->egress;
tbl_key.level = dev_flow->dv.group;
tbl_key.id = dev_flow->dv.table_id;
if (flow_dv_matcher_register(dev, &matcher, &tbl_key, dev_flow,
tunnel, attr->group, error))
return -rte_errno;
return 0;
}
/**
* Set hash RX queue by hash fields (see enum ibv_rx_hash_fields)
* and tunnel.
*
* @param[in, out] action
* Shred RSS action holding hash RX queue objects.
* @param[in] hash_fields
* Defines combination of packet fields to participate in RX hash.
* @param[in] tunnel
* Tunnel type
* @param[in] hrxq_idx
* Hash RX queue index to set.
*
* @return
* 0 on success, otherwise negative errno value.
*/
static int
__flow_dv_action_rss_hrxq_set(struct mlx5_shared_action_rss *action,
const uint64_t hash_fields,
uint32_t hrxq_idx)
{
uint32_t *hrxqs = action->hrxq;
switch (hash_fields & ~IBV_RX_HASH_INNER) {
case MLX5_RSS_HASH_IPV4:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_SRC_ONLY:
hrxqs[0] = hrxq_idx;
return 0;
case MLX5_RSS_HASH_IPV4_TCP:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_TCP_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_TCP_SRC_ONLY:
hrxqs[1] = hrxq_idx;
return 0;
case MLX5_RSS_HASH_IPV4_UDP:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_UDP_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_UDP_SRC_ONLY:
hrxqs[2] = hrxq_idx;
return 0;
case MLX5_RSS_HASH_IPV6:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_SRC_ONLY:
hrxqs[3] = hrxq_idx;
return 0;
case MLX5_RSS_HASH_IPV6_TCP:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_TCP_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_TCP_SRC_ONLY:
hrxqs[4] = hrxq_idx;
return 0;
case MLX5_RSS_HASH_IPV6_UDP:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_UDP_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_UDP_SRC_ONLY:
hrxqs[5] = hrxq_idx;
return 0;
case MLX5_RSS_HASH_NONE:
hrxqs[6] = hrxq_idx;
return 0;
default:
return -1;
}
}
/**
* Look up for hash RX queue by hash fields (see enum ibv_rx_hash_fields)
* and tunnel.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] idx
* Shared RSS action ID holding hash RX queue objects.
* @param[in] hash_fields
* Defines combination of packet fields to participate in RX hash.
* @param[in] tunnel
* Tunnel type
*
* @return
* Valid hash RX queue index, otherwise 0.
*/
static uint32_t
__flow_dv_action_rss_hrxq_lookup(struct rte_eth_dev *dev, uint32_t idx,
const uint64_t hash_fields)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_shared_action_rss *shared_rss =
mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], idx);
const uint32_t *hrxqs = shared_rss->hrxq;
switch (hash_fields & ~IBV_RX_HASH_INNER) {
case MLX5_RSS_HASH_IPV4:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_SRC_ONLY:
return hrxqs[0];
case MLX5_RSS_HASH_IPV4_TCP:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_TCP_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_TCP_SRC_ONLY:
return hrxqs[1];
case MLX5_RSS_HASH_IPV4_UDP:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_UDP_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV4_UDP_SRC_ONLY:
return hrxqs[2];
case MLX5_RSS_HASH_IPV6:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_SRC_ONLY:
return hrxqs[3];
case MLX5_RSS_HASH_IPV6_TCP:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_TCP_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_TCP_SRC_ONLY:
return hrxqs[4];
case MLX5_RSS_HASH_IPV6_UDP:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_UDP_DST_ONLY:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_UDP_SRC_ONLY:
return hrxqs[5];
case MLX5_RSS_HASH_NONE:
return hrxqs[6];
default:
return 0;
}
}
/**
* Apply the flow to the NIC, lock free,
* (mutex should be acquired by caller).
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in, out] flow
* Pointer to flow structure.
* @param[out] error
* Pointer to error structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
struct rte_flow_error *error)
{
struct mlx5_flow_dv_workspace *dv;
struct mlx5_flow_handle *dh;
struct mlx5_flow_handle_dv *dv_h;
struct mlx5_flow *dev_flow;
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t handle_idx;
int n;
int err;
int idx;
struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
struct mlx5_flow_rss_desc *rss_desc = &wks->rss_desc;
uint8_t misc_mask;
MLX5_ASSERT(wks);
for (idx = wks->flow_idx - 1; idx >= 0; idx--) {
dev_flow = &wks->flows[idx];
dv = &dev_flow->dv;
dh = dev_flow->handle;
dv_h = &dh->dvh;
n = dv->actions_n;
if (dh->fate_action == MLX5_FLOW_FATE_DROP) {
if (dv->transfer) {
MLX5_ASSERT(priv->sh->dr_drop_action);
dv->actions[n++] = priv->sh->dr_drop_action;
} else {
#ifdef HAVE_MLX5DV_DR
/* DR supports drop action placeholder. */
MLX5_ASSERT(priv->sh->dr_drop_action);
dv->actions[n++] = dv->group ?
priv->sh->dr_drop_action :
priv->root_drop_action;
#else
/* For DV we use the explicit drop queue. */
MLX5_ASSERT(priv->drop_queue.hrxq);
dv->actions[n++] =
priv->drop_queue.hrxq->action;
#endif
}
} else if ((dh->fate_action == MLX5_FLOW_FATE_QUEUE &&
!dv_h->rix_sample && !dv_h->rix_dest_array)) {
struct mlx5_hrxq *hrxq;
uint32_t hrxq_idx;
hrxq = flow_dv_hrxq_prepare(dev, dev_flow, rss_desc,
&hrxq_idx);
if (!hrxq) {
rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot get hash queue");
goto error;
}
dh->rix_hrxq = hrxq_idx;
dv->actions[n++] = hrxq->action;
} else if (dh->fate_action == MLX5_FLOW_FATE_SHARED_RSS) {
struct mlx5_hrxq *hrxq = NULL;
uint32_t hrxq_idx;
hrxq_idx = __flow_dv_action_rss_hrxq_lookup(dev,
rss_desc->shared_rss,
dev_flow->hash_fields);
if (hrxq_idx)
hrxq = mlx5_ipool_get
(priv->sh->ipool[MLX5_IPOOL_HRXQ],
hrxq_idx);
if (!hrxq) {
rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot get hash queue");
goto error;
}
dh->rix_srss = rss_desc->shared_rss;
dv->actions[n++] = hrxq->action;
} else if (dh->fate_action == MLX5_FLOW_FATE_DEFAULT_MISS) {
if (!priv->sh->default_miss_action) {
rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"default miss action not be created.");
goto error;
}
dv->actions[n++] = priv->sh->default_miss_action;
}
misc_mask = flow_dv_matcher_enable(dv->value.buf);
__flow_dv_adjust_buf_size(&dv->value.size, misc_mask);
err = mlx5_flow_os_create_flow(dv_h->matcher->matcher_object,
(void *)&dv->value, n,
dv->actions, &dh->drv_flow);
if (err) {
rte_flow_error_set
(error, errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
(!priv->config.allow_duplicate_pattern &&
errno == EEXIST) ?
"duplicating pattern is not allowed" :
"hardware refuses to create flow");
goto error;
}
if (priv->vmwa_context &&
dh->vf_vlan.tag && !dh->vf_vlan.created) {
/*
* The rule contains the VLAN pattern.
* For VF we are going to create VLAN
* interface to make hypervisor set correct
* e-Switch vport context.
*/
mlx5_vlan_vmwa_acquire(dev, &dh->vf_vlan);
}
}
return 0;
error:
err = rte_errno; /* Save rte_errno before cleanup. */
SILIST_FOREACH(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW], flow->dev_handles,
handle_idx, dh, next) {
/* hrxq is union, don't clear it if the flag is not set. */
if (dh->fate_action == MLX5_FLOW_FATE_QUEUE && dh->rix_hrxq) {
mlx5_hrxq_release(dev, dh->rix_hrxq);
dh->rix_hrxq = 0;
} else if (dh->fate_action == MLX5_FLOW_FATE_SHARED_RSS) {
dh->rix_srss = 0;
}
if (dh->vf_vlan.tag && dh->vf_vlan.created)
mlx5_vlan_vmwa_release(dev, &dh->vf_vlan);
}
rte_errno = err; /* Restore rte_errno. */
return -rte_errno;
}
void
flow_dv_matcher_remove_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry)
{
struct mlx5_flow_dv_matcher *resource = container_of(entry,
typeof(*resource),
entry);
claim_zero(mlx5_flow_os_destroy_flow_matcher(resource->matcher_object));
mlx5_free(resource);
}
/**
* Release the flow matcher.
*
* @param dev
* Pointer to Ethernet device.
* @param port_id
* Index to port ID action resource.
*
* @return
* 1 while a reference on it exists, 0 when freed.
*/
static int
flow_dv_matcher_release(struct rte_eth_dev *dev,
struct mlx5_flow_handle *handle)
{
struct mlx5_flow_dv_matcher *matcher = handle->dvh.matcher;
struct mlx5_flow_tbl_data_entry *tbl = container_of(matcher->tbl,
typeof(*tbl), tbl);
int ret;
MLX5_ASSERT(matcher->matcher_object);
ret = mlx5_list_unregister(tbl->matchers, &matcher->entry);
flow_dv_tbl_resource_release(MLX5_SH(dev), &tbl->tbl);
return ret;
}
void
flow_dv_encap_decap_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_dv_encap_decap_resource *res =
container_of(entry, typeof(*res), entry);
claim_zero(mlx5_flow_os_destroy_flow_action(res->action));
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_DECAP_ENCAP], res->idx);
}
/**
* Release an encap/decap resource.
*
* @param dev
* Pointer to Ethernet device.
* @param encap_decap_idx
* Index of encap decap resource.
*
* @return
* 1 while a reference on it exists, 0 when freed.
*/
static int
flow_dv_encap_decap_resource_release(struct rte_eth_dev *dev,
uint32_t encap_decap_idx)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_dv_encap_decap_resource *resource;
resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_DECAP_ENCAP],
encap_decap_idx);
if (!resource)
return 0;
MLX5_ASSERT(resource->action);
return mlx5_hlist_unregister(priv->sh->encaps_decaps, &resource->entry);
}
/**
* Release an jump to table action resource.
*
* @param dev
* Pointer to Ethernet device.
* @param rix_jump
* Index to the jump action resource.
*
* @return
* 1 while a reference on it exists, 0 when freed.
*/
static int
flow_dv_jump_tbl_resource_release(struct rte_eth_dev *dev,
uint32_t rix_jump)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_tbl_data_entry *tbl_data;
tbl_data = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_JUMP],
rix_jump);
if (!tbl_data)
return 0;
return flow_dv_tbl_resource_release(MLX5_SH(dev), &tbl_data->tbl);
}
void
flow_dv_modify_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_flow_dv_modify_hdr_resource *res =
container_of(entry, typeof(*res), entry);
struct mlx5_dev_ctx_shared *sh = tool_ctx;
claim_zero(mlx5_flow_os_destroy_flow_action(res->action));
mlx5_ipool_free(sh->mdh_ipools[res->actions_num - 1], res->idx);
}
/**
* Release a modify-header resource.
*
* @param dev
* Pointer to Ethernet device.
* @param handle
* Pointer to mlx5_flow_handle.
*
* @return
* 1 while a reference on it exists, 0 when freed.
*/
static int
flow_dv_modify_hdr_resource_release(struct rte_eth_dev *dev,
struct mlx5_flow_handle *handle)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_dv_modify_hdr_resource *entry = handle->dvh.modify_hdr;
MLX5_ASSERT(entry->action);
return mlx5_hlist_unregister(priv->sh->modify_cmds, &entry->entry);
}
void
flow_dv_port_id_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_dv_port_id_action_resource *resource =
container_of(entry, typeof(*resource), entry);
claim_zero(mlx5_flow_os_destroy_flow_action(resource->action));
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_PORT_ID], resource->idx);
}
/**
* Release port ID action resource.
*
* @param dev
* Pointer to Ethernet device.
* @param handle
* Pointer to mlx5_flow_handle.
*
* @return
* 1 while a reference on it exists, 0 when freed.
*/
static int
flow_dv_port_id_action_resource_release(struct rte_eth_dev *dev,
uint32_t port_id)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_dv_port_id_action_resource *resource;
resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_PORT_ID], port_id);
if (!resource)
return 0;
MLX5_ASSERT(resource->action);
return mlx5_list_unregister(priv->sh->port_id_action_list,
&resource->entry);
}
/**
* Release shared RSS action resource.
*
* @param dev
* Pointer to Ethernet device.
* @param srss
* Shared RSS action index.
*/
static void
flow_dv_shared_rss_action_release(struct rte_eth_dev *dev, uint32_t srss)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_shared_action_rss *shared_rss;
shared_rss = mlx5_ipool_get
(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], srss);
__atomic_sub_fetch(&shared_rss->refcnt, 1, __ATOMIC_RELAXED);
}
void
flow_dv_push_vlan_remove_cb(void *tool_ctx, struct mlx5_list_entry *entry)
{
struct mlx5_dev_ctx_shared *sh = tool_ctx;
struct mlx5_flow_dv_push_vlan_action_resource *resource =
container_of(entry, typeof(*resource), entry);
claim_zero(mlx5_flow_os_destroy_flow_action(resource->action));
mlx5_ipool_free(sh->ipool[MLX5_IPOOL_PUSH_VLAN], resource->idx);
}
/**
* Release push vlan action resource.
*
* @param dev
* Pointer to Ethernet device.
* @param handle
* Pointer to mlx5_flow_handle.
*
* @return
* 1 while a reference on it exists, 0 when freed.
*/
static int
flow_dv_push_vlan_action_resource_release(struct rte_eth_dev *dev,
struct mlx5_flow_handle *handle)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_dv_push_vlan_action_resource *resource;
uint32_t idx = handle->dvh.rix_push_vlan;
resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_PUSH_VLAN], idx);
if (!resource)
return 0;
MLX5_ASSERT(resource->action);
return mlx5_list_unregister(priv->sh->push_vlan_action_list,
&resource->entry);
}
/**
* Release the fate resource.
*
* @param dev
* Pointer to Ethernet device.
* @param handle
* Pointer to mlx5_flow_handle.
*/
static void
flow_dv_fate_resource_release(struct rte_eth_dev *dev,
struct mlx5_flow_handle *handle)
{
if (!handle->rix_fate)
return;
switch (handle->fate_action) {
case MLX5_FLOW_FATE_QUEUE:
if (!handle->dvh.rix_sample && !handle->dvh.rix_dest_array)
mlx5_hrxq_release(dev, handle->rix_hrxq);
break;
case MLX5_FLOW_FATE_JUMP:
flow_dv_jump_tbl_resource_release(dev, handle->rix_jump);
break;
case MLX5_FLOW_FATE_PORT_ID:
flow_dv_port_id_action_resource_release(dev,
handle->rix_port_id_action);
break;
default:
DRV_LOG(DEBUG, "Incorrect fate action:%d", handle->fate_action);
break;
}
handle->rix_fate = 0;
}
void
flow_dv_sample_remove_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry)
{
struct mlx5_flow_dv_sample_resource *resource = container_of(entry,
typeof(*resource),
entry);
struct rte_eth_dev *dev = resource->dev;
struct mlx5_priv *priv = dev->data->dev_private;
if (resource->verbs_action)
claim_zero(mlx5_flow_os_destroy_flow_action
(resource->verbs_action));
if (resource->normal_path_tbl)
flow_dv_tbl_resource_release(MLX5_SH(dev),
resource->normal_path_tbl);
flow_dv_sample_sub_actions_release(dev, &resource->sample_idx);
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_SAMPLE], resource->idx);
DRV_LOG(DEBUG, "sample resource %p: removed", (void *)resource);
}
/**
* Release an sample resource.
*
* @param dev
* Pointer to Ethernet device.
* @param handle
* Pointer to mlx5_flow_handle.
*
* @return
* 1 while a reference on it exists, 0 when freed.
*/
static int
flow_dv_sample_resource_release(struct rte_eth_dev *dev,
struct mlx5_flow_handle *handle)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_dv_sample_resource *resource;
resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_SAMPLE],
handle->dvh.rix_sample);
if (!resource)
return 0;
MLX5_ASSERT(resource->verbs_action);
return mlx5_list_unregister(priv->sh->sample_action_list,
&resource->entry);
}
void
flow_dv_dest_array_remove_cb(void *tool_ctx __rte_unused,
struct mlx5_list_entry *entry)
{
struct mlx5_flow_dv_dest_array_resource *resource =
container_of(entry, typeof(*resource), entry);
struct rte_eth_dev *dev = resource->dev;
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t i = 0;
MLX5_ASSERT(resource->action);
if (resource->action)
claim_zero(mlx5_flow_os_destroy_flow_action(resource->action));
for (; i < resource->num_of_dest; i++)
flow_dv_sample_sub_actions_release(dev,
&resource->sample_idx[i]);
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_DEST_ARRAY], resource->idx);
DRV_LOG(DEBUG, "destination array resource %p: removed",
(void *)resource);
}
/**
* Release an destination array resource.
*
* @param dev
* Pointer to Ethernet device.
* @param handle
* Pointer to mlx5_flow_handle.
*
* @return
* 1 while a reference on it exists, 0 when freed.
*/
static int
flow_dv_dest_array_resource_release(struct rte_eth_dev *dev,
struct mlx5_flow_handle *handle)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_dv_dest_array_resource *resource;
resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_DEST_ARRAY],
handle->dvh.rix_dest_array);
if (!resource)
return 0;
MLX5_ASSERT(resource->action);
return mlx5_list_unregister(priv->sh->dest_array_list,
&resource->entry);
}
static void
flow_dv_geneve_tlv_option_resource_release(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
struct mlx5_geneve_tlv_option_resource *geneve_opt_resource =
sh->geneve_tlv_option_resource;
rte_spinlock_lock(&sh->geneve_tlv_opt_sl);
if (geneve_opt_resource) {
if (!(__atomic_sub_fetch(&geneve_opt_resource->refcnt, 1,
__ATOMIC_RELAXED))) {
claim_zero(mlx5_devx_cmd_destroy
(geneve_opt_resource->obj));
mlx5_free(sh->geneve_tlv_option_resource);
sh->geneve_tlv_option_resource = NULL;
}
}
rte_spinlock_unlock(&sh->geneve_tlv_opt_sl);
}
/**
* Remove the flow from the NIC but keeps it in memory.
* Lock free, (mutex should be acquired by caller).
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in, out] flow
* Pointer to flow structure.
*/
static void
flow_dv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
{
struct mlx5_flow_handle *dh;
uint32_t handle_idx;
struct mlx5_priv *priv = dev->data->dev_private;
if (!flow)
return;
handle_idx = flow->dev_handles;
while (handle_idx) {
dh = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW],
handle_idx);
if (!dh)
return;
if (dh->drv_flow) {
claim_zero(mlx5_flow_os_destroy_flow(dh->drv_flow));
dh->drv_flow = NULL;
}
if (dh->fate_action == MLX5_FLOW_FATE_QUEUE)
flow_dv_fate_resource_release(dev, dh);
if (dh->vf_vlan.tag && dh->vf_vlan.created)
mlx5_vlan_vmwa_release(dev, &dh->vf_vlan);
handle_idx = dh->next.next;
}
}
/**
* Remove the flow from the NIC and the memory.
* Lock free, (mutex should be acquired by caller).
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in, out] flow
* Pointer to flow structure.
*/
static void
flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
{
struct mlx5_flow_handle *dev_handle;
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_meter_info *fm = NULL;
uint32_t srss = 0;
if (!flow)
return;
flow_dv_remove(dev, flow);
if (flow->counter) {
flow_dv_counter_free(dev, flow->counter);
flow->counter = 0;
}
if (flow->meter) {
fm = flow_dv_meter_find_by_idx(priv, flow->meter);
if (fm)
mlx5_flow_meter_detach(priv, fm);
flow->meter = 0;
}
/* Keep the current age handling by default. */
if (flow->indirect_type == MLX5_INDIRECT_ACTION_TYPE_CT && flow->ct)
flow_dv_aso_ct_release(dev, flow->ct, NULL);
else if (flow->age)
flow_dv_aso_age_release(dev, flow->age);
if (flow->geneve_tlv_option) {
flow_dv_geneve_tlv_option_resource_release(dev);
flow->geneve_tlv_option = 0;
}
while (flow->dev_handles) {
uint32_t tmp_idx = flow->dev_handles;
dev_handle = mlx5_ipool_get(priv->sh->ipool
[MLX5_IPOOL_MLX5_FLOW], tmp_idx);
if (!dev_handle)
return;
flow->dev_handles = dev_handle->next.next;
while (dev_handle->flex_item) {
int index = rte_bsf32(dev_handle->flex_item);
mlx5_flex_release_index(dev, index);
dev_handle->flex_item &= ~RTE_BIT32(index);
}
if (dev_handle->dvh.matcher)
flow_dv_matcher_release(dev, dev_handle);
if (dev_handle->dvh.rix_sample)
flow_dv_sample_resource_release(dev, dev_handle);
if (dev_handle->dvh.rix_dest_array)
flow_dv_dest_array_resource_release(dev, dev_handle);
if (dev_handle->dvh.rix_encap_decap)
flow_dv_encap_decap_resource_release(dev,
dev_handle->dvh.rix_encap_decap);
if (dev_handle->dvh.modify_hdr)
flow_dv_modify_hdr_resource_release(dev, dev_handle);
if (dev_handle->dvh.rix_push_vlan)
flow_dv_push_vlan_action_resource_release(dev,
dev_handle);
if (dev_handle->dvh.rix_tag)
flow_dv_tag_release(dev,
dev_handle->dvh.rix_tag);
if (dev_handle->fate_action != MLX5_FLOW_FATE_SHARED_RSS)
flow_dv_fate_resource_release(dev, dev_handle);
else if (!srss)
srss = dev_handle->rix_srss;
if (fm && dev_handle->is_meter_flow_id &&
dev_handle->split_flow_id)
mlx5_ipool_free(fm->flow_ipool,
dev_handle->split_flow_id);
else if (dev_handle->split_flow_id &&
!dev_handle->is_meter_flow_id)
mlx5_ipool_free(priv->sh->ipool
[MLX5_IPOOL_RSS_EXPANTION_FLOW_ID],
dev_handle->split_flow_id);
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW],
tmp_idx);
}
if (srss)
flow_dv_shared_rss_action_release(dev, srss);
}
/**
* Release array of hash RX queue objects.
* Helper function.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in, out] hrxqs
* Array of hash RX queue objects.
*
* @return
* Total number of references to hash RX queue objects in *hrxqs* array
* after this operation.
*/
static int
__flow_dv_hrxqs_release(struct rte_eth_dev *dev,
uint32_t (*hrxqs)[MLX5_RSS_HASH_FIELDS_LEN])
{
size_t i;
int remaining = 0;
for (i = 0; i < RTE_DIM(*hrxqs); i++) {
int ret = mlx5_hrxq_release(dev, (*hrxqs)[i]);
if (!ret)
(*hrxqs)[i] = 0;
remaining += ret;
}
return remaining;
}
/**
* Release all hash RX queue objects representing shared RSS action.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in, out] action
* Shared RSS action to remove hash RX queue objects from.
*
* @return
* Total number of references to hash RX queue objects stored in *action*
* after this operation.
* Expected to be 0 if no external references held.
*/
static int
__flow_dv_action_rss_hrxqs_release(struct rte_eth_dev *dev,
struct mlx5_shared_action_rss *shared_rss)
{
return __flow_dv_hrxqs_release(dev, &shared_rss->hrxq);
}
/**
* Adjust L3/L4 hash value of pre-created shared RSS hrxq according to
* user input.
*
* Only one hash value is available for one L3+L4 combination:
* for example:
* MLX5_RSS_HASH_IPV4, MLX5_RSS_HASH_IPV4_SRC_ONLY, and
* MLX5_RSS_HASH_IPV4_DST_ONLY are mutually exclusive so they can share
* same slot in mlx5_rss_hash_fields.
*
* @param[in] rss
* Pointer to the shared action RSS conf.
* @param[in, out] hash_field
* hash_field variable needed to be adjusted.
*
* @return
* void
*/
static void
__flow_dv_action_rss_l34_hash_adjust(struct mlx5_shared_action_rss *rss,
uint64_t *hash_field)
{
uint64_t rss_types = rss->origin.types;
switch (*hash_field & ~IBV_RX_HASH_INNER) {
case MLX5_RSS_HASH_IPV4:
if (rss_types & MLX5_IPV4_LAYER_TYPES) {
*hash_field &= ~MLX5_RSS_HASH_IPV4;
if (rss_types & RTE_ETH_RSS_L3_DST_ONLY)
*hash_field |= IBV_RX_HASH_DST_IPV4;
else if (rss_types & RTE_ETH_RSS_L3_SRC_ONLY)
*hash_field |= IBV_RX_HASH_SRC_IPV4;
else
*hash_field |= MLX5_RSS_HASH_IPV4;
}
return;
case MLX5_RSS_HASH_IPV6:
if (rss_types & MLX5_IPV6_LAYER_TYPES) {
*hash_field &= ~MLX5_RSS_HASH_IPV6;
if (rss_types & RTE_ETH_RSS_L3_DST_ONLY)
*hash_field |= IBV_RX_HASH_DST_IPV6;
else if (rss_types & RTE_ETH_RSS_L3_SRC_ONLY)
*hash_field |= IBV_RX_HASH_SRC_IPV6;
else
*hash_field |= MLX5_RSS_HASH_IPV6;
}
return;
case MLX5_RSS_HASH_IPV4_UDP:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_UDP:
if (rss_types & RTE_ETH_RSS_UDP) {
*hash_field &= ~MLX5_UDP_IBV_RX_HASH;
if (rss_types & RTE_ETH_RSS_L4_DST_ONLY)
*hash_field |= IBV_RX_HASH_DST_PORT_UDP;
else if (rss_types & RTE_ETH_RSS_L4_SRC_ONLY)
*hash_field |= IBV_RX_HASH_SRC_PORT_UDP;
else
*hash_field |= MLX5_UDP_IBV_RX_HASH;
}
return;
case MLX5_RSS_HASH_IPV4_TCP:
/* fall-through. */
case MLX5_RSS_HASH_IPV6_TCP:
if (rss_types & RTE_ETH_RSS_TCP) {
*hash_field &= ~MLX5_TCP_IBV_RX_HASH;
if (rss_types & RTE_ETH_RSS_L4_DST_ONLY)
*hash_field |= IBV_RX_HASH_DST_PORT_TCP;
else if (rss_types & RTE_ETH_RSS_L4_SRC_ONLY)
*hash_field |= IBV_RX_HASH_SRC_PORT_TCP;
else
*hash_field |= MLX5_TCP_IBV_RX_HASH;
}
return;
default:
return;
}
}
/**
* Setup shared RSS action.
* Prepare set of hash RX queue objects sufficient to handle all valid
* hash_fields combinations (see enum ibv_rx_hash_fields).
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] action_idx
* Shared RSS action ipool index.
* @param[in, out] action
* Partially initialized shared RSS action.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value.
*/
static int
__flow_dv_action_rss_setup(struct rte_eth_dev *dev,
uint32_t action_idx,
struct mlx5_shared_action_rss *shared_rss,
struct rte_flow_error *error)
{
struct mlx5_flow_rss_desc rss_desc = { 0 };
size_t i;
int err;
if (mlx5_ind_table_obj_setup(dev, shared_rss->ind_tbl,
!!dev->data->dev_started)) {
return rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot setup indirection table");
}
memcpy(rss_desc.key, shared_rss->origin.key, MLX5_RSS_HASH_KEY_LEN);
rss_desc.key_len = MLX5_RSS_HASH_KEY_LEN;
rss_desc.const_q = shared_rss->origin.queue;
rss_desc.queue_num = shared_rss->origin.queue_num;
/* Set non-zero value to indicate a shared RSS. */
rss_desc.shared_rss = action_idx;
rss_desc.ind_tbl = shared_rss->ind_tbl;
for (i = 0; i < MLX5_RSS_HASH_FIELDS_LEN; i++) {
uint32_t hrxq_idx;
uint64_t hash_fields = mlx5_rss_hash_fields[i];
int tunnel = 0;
__flow_dv_action_rss_l34_hash_adjust(shared_rss, &hash_fields);
if (shared_rss->origin.level > 1) {
hash_fields |= IBV_RX_HASH_INNER;
tunnel = 1;
}
rss_desc.tunnel = tunnel;
rss_desc.hash_fields = hash_fields;
hrxq_idx = mlx5_hrxq_get(dev, &rss_desc);
if (!hrxq_idx) {
rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot get hash queue");
goto error_hrxq_new;
}
err = __flow_dv_action_rss_hrxq_set
(shared_rss, hash_fields, hrxq_idx);
MLX5_ASSERT(!err);
}
return 0;
error_hrxq_new:
err = rte_errno;
__flow_dv_action_rss_hrxqs_release(dev, shared_rss);
if (!mlx5_ind_table_obj_release(dev, shared_rss->ind_tbl, true, true))
shared_rss->ind_tbl = NULL;
rte_errno = err;
return -rte_errno;
}
/**
* Create shared RSS action.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] conf
* Shared action configuration.
* @param[in] rss
* RSS action specification used to create shared action.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* A valid shared action ID in case of success, 0 otherwise and
* rte_errno is set.
*/
static uint32_t
__flow_dv_action_rss_create(struct rte_eth_dev *dev,
const struct rte_flow_indir_action_conf *conf,
const struct rte_flow_action_rss *rss,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_shared_action_rss *shared_rss = NULL;
void *queue = NULL;
struct rte_flow_action_rss *origin;
const uint8_t *rss_key;
uint32_t queue_size = rss->queue_num * sizeof(uint16_t);
uint32_t idx;
RTE_SET_USED(conf);
queue = mlx5_malloc(0, RTE_ALIGN_CEIL(queue_size, sizeof(void *)),
0, SOCKET_ID_ANY);
shared_rss = mlx5_ipool_zmalloc
(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], &idx);
if (!shared_rss || !queue) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
goto error_rss_init;
}
if (idx > (1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET)) {
rte_flow_error_set(error, E2BIG,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"rss action number out of range");
goto error_rss_init;
}
shared_rss->ind_tbl = mlx5_malloc(MLX5_MEM_ZERO,
sizeof(*shared_rss->ind_tbl),
0, SOCKET_ID_ANY);
if (!shared_rss->ind_tbl) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
goto error_rss_init;
}
memcpy(queue, rss->queue, queue_size);
shared_rss->ind_tbl->queues = queue;
shared_rss->ind_tbl->queues_n = rss->queue_num;
origin = &shared_rss->origin;
origin->func = rss->func;
origin->level = rss->level;
/* RSS type 0 indicates default RSS type (RTE_ETH_RSS_IP). */
origin->types = !rss->types ? RTE_ETH_RSS_IP : rss->types;
/* NULL RSS key indicates default RSS key. */
rss_key = !rss->key ? rss_hash_default_key : rss->key;
memcpy(shared_rss->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
origin->key = &shared_rss->key[0];
origin->key_len = MLX5_RSS_HASH_KEY_LEN;
origin->queue = queue;
origin->queue_num = rss->queue_num;
if (__flow_dv_action_rss_setup(dev, idx, shared_rss, error))
goto error_rss_init;
rte_spinlock_init(&shared_rss->action_rss_sl);
__atomic_add_fetch(&shared_rss->refcnt, 1, __ATOMIC_RELAXED);
rte_spinlock_lock(&priv->shared_act_sl);
ILIST_INSERT(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
&priv->rss_shared_actions, idx, shared_rss, next);
rte_spinlock_unlock(&priv->shared_act_sl);
return idx;
error_rss_init:
if (shared_rss) {
if (shared_rss->ind_tbl)
mlx5_free(shared_rss->ind_tbl);
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
idx);
}
if (queue)
mlx5_free(queue);
return 0;
}
/**
* Destroy the shared RSS action.
* Release related hash RX queue objects.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] idx
* The shared RSS action object ID to be removed.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value.
*/
static int
__flow_dv_action_rss_release(struct rte_eth_dev *dev, uint32_t idx,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_shared_action_rss *shared_rss =
mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], idx);
uint32_t old_refcnt = 1;
int remaining;
uint16_t *queue = NULL;
if (!shared_rss)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"invalid shared action");
if (!__atomic_compare_exchange_n(&shared_rss->refcnt, &old_refcnt,
0, 0, __ATOMIC_ACQUIRE,
__ATOMIC_RELAXED))
return rte_flow_error_set(error, EBUSY,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"shared rss has references");
remaining = __flow_dv_action_rss_hrxqs_release(dev, shared_rss);
if (remaining)
return rte_flow_error_set(error, EBUSY,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"shared rss hrxq has references");
queue = shared_rss->ind_tbl->queues;
remaining = mlx5_ind_table_obj_release(dev, shared_rss->ind_tbl, true,
!!dev->data->dev_started);
if (remaining)
return rte_flow_error_set(error, EBUSY,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"shared rss indirection table has"
" references");
mlx5_free(queue);
rte_spinlock_lock(&priv->shared_act_sl);
ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
&priv->rss_shared_actions, idx, shared_rss, next);
rte_spinlock_unlock(&priv->shared_act_sl);
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS],
idx);
return 0;
}
/**
* Create indirect action, lock free,
* (mutex should be acquired by caller).
* Dispatcher for action type specific call.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] conf
* Shared action configuration.
* @param[in] action
* Action specification used to create indirect action.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* A valid shared action handle in case of success, NULL otherwise and
* rte_errno is set.
*/
static struct rte_flow_action_handle *
flow_dv_action_create(struct rte_eth_dev *dev,
const struct rte_flow_indir_action_conf *conf,
const struct rte_flow_action *action,
struct rte_flow_error *err)
{
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t age_idx = 0;
uint32_t idx = 0;
uint32_t ret = 0;
switch (action->type) {
case RTE_FLOW_ACTION_TYPE_RSS:
ret = __flow_dv_action_rss_create(dev, conf, action->conf, err);
idx = (MLX5_INDIRECT_ACTION_TYPE_RSS <<
MLX5_INDIRECT_ACTION_TYPE_OFFSET) | ret;
break;
case RTE_FLOW_ACTION_TYPE_AGE:
age_idx = flow_dv_aso_age_alloc(dev, err);
if (!age_idx) {
ret = -rte_errno;
break;
}
idx = (MLX5_INDIRECT_ACTION_TYPE_AGE <<
MLX5_INDIRECT_ACTION_TYPE_OFFSET) | age_idx;
flow_dv_aso_age_params_init(dev, age_idx,
((const struct rte_flow_action_age *)
action->conf)->context ?
((const struct rte_flow_action_age *)
action->conf)->context :
(void *)(uintptr_t)idx,
((const struct rte_flow_action_age *)
action->conf)->timeout);
ret = age_idx;
break;
case RTE_FLOW_ACTION_TYPE_COUNT:
ret = flow_dv_translate_create_counter(dev, NULL, NULL, NULL);
idx = (MLX5_INDIRECT_ACTION_TYPE_COUNT <<
MLX5_INDIRECT_ACTION_TYPE_OFFSET) | ret;
break;
case RTE_FLOW_ACTION_TYPE_CONNTRACK:
ret = flow_dv_translate_create_conntrack(dev, action->conf,
err);
idx = MLX5_INDIRECT_ACT_CT_GEN_IDX(PORT_ID(priv), ret);
break;
default:
rte_flow_error_set(err, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "action type not supported");
break;
}
return ret ? (struct rte_flow_action_handle *)(uintptr_t)idx : NULL;
}
/**
* Destroy the indirect action.
* Release action related resources on the NIC and the memory.
* Lock free, (mutex should be acquired by caller).
* Dispatcher for action type specific call.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] handle
* The indirect action object handle to be removed.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value.
*/
static int
flow_dv_action_destroy(struct rte_eth_dev *dev,
struct rte_flow_action_handle *handle,
struct rte_flow_error *error)
{
uint32_t act_idx = (uint32_t)(uintptr_t)handle;
uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
uint32_t idx = act_idx & ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
struct mlx5_flow_counter *cnt;
uint32_t no_flow_refcnt = 1;
int ret;
switch (type) {
case MLX5_INDIRECT_ACTION_TYPE_RSS:
return __flow_dv_action_rss_release(dev, idx, error);
case MLX5_INDIRECT_ACTION_TYPE_COUNT:
cnt = flow_dv_counter_get_by_idx(dev, idx, NULL);
if (!__atomic_compare_exchange_n(&cnt->shared_info.refcnt,
&no_flow_refcnt, 1, false,
__ATOMIC_ACQUIRE,
__ATOMIC_RELAXED))
return rte_flow_error_set(error, EBUSY,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"Indirect count action has references");
flow_dv_counter_free(dev, idx);
return 0;
case MLX5_INDIRECT_ACTION_TYPE_AGE:
ret = flow_dv_aso_age_release(dev, idx);
if (ret)
/*
* In this case, the last flow has a reference will
* actually release the age action.
*/
DRV_LOG(DEBUG, "Indirect age action %" PRIu32 " was"
" released with references %d.", idx, ret);
return 0;
case MLX5_INDIRECT_ACTION_TYPE_CT:
ret = flow_dv_aso_ct_release(dev, idx, error);
if (ret < 0)
return ret;
if (ret > 0)
DRV_LOG(DEBUG, "Connection tracking object %u still "
"has references %d.", idx, ret);
return 0;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"action type not supported");
}
}
/**
* Updates in place shared RSS action configuration.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] idx
* The shared RSS action object ID to be updated.
* @param[in] action_conf
* RSS action specification used to modify *shared_rss*.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value.
* @note: currently only support update of RSS queues.
*/
static int
__flow_dv_action_rss_update(struct rte_eth_dev *dev, uint32_t idx,
const struct rte_flow_action_rss *action_conf,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_shared_action_rss *shared_rss =
mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_RSS_SHARED_ACTIONS], idx);
int ret = 0;
void *queue = NULL;
uint16_t *queue_old = NULL;
uint32_t queue_size = action_conf->queue_num * sizeof(uint16_t);
bool dev_started = !!dev->data->dev_started;
if (!shared_rss)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"invalid shared action to update");
if (priv->obj_ops.ind_table_modify == NULL)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"cannot modify indirection table");
queue = mlx5_malloc(MLX5_MEM_ZERO,
RTE_ALIGN_CEIL(queue_size, sizeof(void *)),
0, SOCKET_ID_ANY);
if (!queue)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot allocate resource memory");
memcpy(queue, action_conf->queue, queue_size);
MLX5_ASSERT(shared_rss->ind_tbl);
rte_spinlock_lock(&shared_rss->action_rss_sl);
queue_old = shared_rss->ind_tbl->queues;
ret = mlx5_ind_table_obj_modify(dev, shared_rss->ind_tbl,
queue, action_conf->queue_num,
true /* standalone */,
dev_started /* ref_new_qs */,
dev_started /* deref_old_qs */);
if (ret) {
mlx5_free(queue);
ret = rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"cannot update indirection table");
} else {
mlx5_free(queue_old);
shared_rss->origin.queue = queue;
shared_rss->origin.queue_num = action_conf->queue_num;
}
rte_spinlock_unlock(&shared_rss->action_rss_sl);
return ret;
}
/*
* Updates in place conntrack context or direction.
* Context update should be synchronized.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] idx
* The conntrack object ID to be updated.
* @param[in] update
* Pointer to the structure of information to update.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value.
*/
static int
__flow_dv_action_ct_update(struct rte_eth_dev *dev, uint32_t idx,
const struct rte_flow_modify_conntrack *update,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_ct_action *ct;
const struct rte_flow_action_conntrack *new_prf;
int ret = 0;
uint16_t owner = (uint16_t)MLX5_INDIRECT_ACT_CT_GET_OWNER(idx);
uint32_t dev_idx;
if (PORT_ID(priv) != owner)
return rte_flow_error_set(error, EACCES,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"CT object owned by another port");
dev_idx = MLX5_INDIRECT_ACT_CT_GET_IDX(idx);
ct = flow_aso_ct_get_by_dev_idx(dev, dev_idx);
if (!ct->refcnt)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"CT object is inactive");
new_prf = &update->new_ct;
if (update->direction)
ct->is_original = !!new_prf->is_original_dir;
if (update->state) {
/* Only validate the profile when it needs to be updated. */
ret = mlx5_validate_action_ct(dev, new_prf, error);
if (ret)
return ret;
ret = mlx5_aso_ct_update_by_wqe(priv->sh, ct, new_prf);
if (ret)
return rte_flow_error_set(error, EIO,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"Failed to send CT context update WQE");
/* Block until ready or a failure. */
ret = mlx5_aso_ct_available(priv->sh, ct);
if (ret)
rte_flow_error_set(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"Timeout to get the CT update");
}
return ret;
}
/**
* Updates in place shared action configuration, lock free,
* (mutex should be acquired by caller).
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] handle
* The indirect action object handle to be updated.
* @param[in] update
* Action specification used to modify the action pointed by *handle*.
* *update* could be of same type with the action pointed by the *handle*
* handle argument, or some other structures like a wrapper, depending on
* the indirect action type.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value.
*/
static int
flow_dv_action_update(struct rte_eth_dev *dev,
struct rte_flow_action_handle *handle,
const void *update,
struct rte_flow_error *err)
{
uint32_t act_idx = (uint32_t)(uintptr_t)handle;
uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
uint32_t idx = act_idx & ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
const void *action_conf;
switch (type) {
case MLX5_INDIRECT_ACTION_TYPE_RSS:
action_conf = ((const struct rte_flow_action *)update)->conf;
return __flow_dv_action_rss_update(dev, idx, action_conf, err);
case MLX5_INDIRECT_ACTION_TYPE_CT:
return __flow_dv_action_ct_update(dev, idx, update, err);
default:
return rte_flow_error_set(err, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"action type update not supported");
}
}
/**
* Destroy the meter sub policy table rules.
* Lock free, (mutex should be acquired by caller).
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] sub_policy
* Pointer to meter sub policy table.
*/
static void
__flow_dv_destroy_sub_policy_rules(struct rte_eth_dev *dev,
struct mlx5_flow_meter_sub_policy *sub_policy)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_tbl_data_entry *tbl;
struct mlx5_flow_meter_policy *policy = sub_policy->main_policy;
struct mlx5_flow_meter_info *next_fm;
struct mlx5_sub_policy_color_rule *color_rule;
void *tmp;
uint32_t i;
for (i = 0; i < RTE_COLORS; i++) {
next_fm = NULL;
if (i == RTE_COLOR_GREEN && policy &&
policy->act_cnt[i].fate_action == MLX5_FLOW_FATE_MTR)
next_fm = mlx5_flow_meter_find(priv,
policy->act_cnt[i].next_mtr_id, NULL);
RTE_TAILQ_FOREACH_SAFE(color_rule, &sub_policy->color_rules[i],
next_port, tmp) {
claim_zero(mlx5_flow_os_destroy_flow(color_rule->rule));
tbl = container_of(color_rule->matcher->tbl,
typeof(*tbl), tbl);
mlx5_list_unregister(tbl->matchers,
&color_rule->matcher->entry);
TAILQ_REMOVE(&sub_policy->color_rules[i],
color_rule, next_port);
mlx5_free(color_rule);
if (next_fm)
mlx5_flow_meter_detach(priv, next_fm);
}
}
for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) {
if (sub_policy->rix_hrxq[i]) {
if (policy && !policy->is_hierarchy)
mlx5_hrxq_release(dev, sub_policy->rix_hrxq[i]);
sub_policy->rix_hrxq[i] = 0;
}
if (sub_policy->jump_tbl[i]) {
flow_dv_tbl_resource_release(MLX5_SH(dev),
sub_policy->jump_tbl[i]);
sub_policy->jump_tbl[i] = NULL;
}
}
if (sub_policy->tbl_rsc) {
flow_dv_tbl_resource_release(MLX5_SH(dev),
sub_policy->tbl_rsc);
sub_policy->tbl_rsc = NULL;
}
}
/**
* Destroy policy rules, lock free,
* (mutex should be acquired by caller).
* Dispatcher for action type specific call.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] mtr_policy
* Meter policy struct.
*/
static void
flow_dv_destroy_policy_rules(struct rte_eth_dev *dev,
struct mlx5_flow_meter_policy *mtr_policy)
{
uint32_t i, j;
struct mlx5_flow_meter_sub_policy *sub_policy;
uint16_t sub_policy_num;
for (i = 0; i < MLX5_MTR_DOMAIN_MAX; i++) {
sub_policy_num = (mtr_policy->sub_policy_num >>
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * i)) &
MLX5_MTR_SUB_POLICY_NUM_MASK;
for (j = 0; j < sub_policy_num; j++) {
sub_policy = mtr_policy->sub_policys[i][j];
if (sub_policy)
__flow_dv_destroy_sub_policy_rules(dev,
sub_policy);
}
}
}
/**
* Destroy policy action, lock free,
* (mutex should be acquired by caller).
* Dispatcher for action type specific call.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] mtr_policy
* Meter policy struct.
*/
static void
flow_dv_destroy_mtr_policy_acts(struct rte_eth_dev *dev,
struct mlx5_flow_meter_policy *mtr_policy)
{
struct rte_flow_action *rss_action;
struct mlx5_flow_handle dev_handle;
uint32_t i, j;
for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) {
if (mtr_policy->act_cnt[i].rix_mark) {
flow_dv_tag_release(dev,
mtr_policy->act_cnt[i].rix_mark);
mtr_policy->act_cnt[i].rix_mark = 0;
}
if (mtr_policy->act_cnt[i].modify_hdr) {
dev_handle.dvh.modify_hdr =
mtr_policy->act_cnt[i].modify_hdr;
flow_dv_modify_hdr_resource_release(dev, &dev_handle);
}
switch (mtr_policy->act_cnt[i].fate_action) {
case MLX5_FLOW_FATE_SHARED_RSS:
rss_action = mtr_policy->act_cnt[i].rss;
mlx5_free(rss_action);
break;
case MLX5_FLOW_FATE_PORT_ID:
if (mtr_policy->act_cnt[i].rix_port_id_action) {
flow_dv_port_id_action_resource_release(dev,
mtr_policy->act_cnt[i].rix_port_id_action);
mtr_policy->act_cnt[i].rix_port_id_action = 0;
}
break;
case MLX5_FLOW_FATE_DROP:
case MLX5_FLOW_FATE_JUMP:
for (j = 0; j < MLX5_MTR_DOMAIN_MAX; j++)
mtr_policy->act_cnt[i].dr_jump_action[j] =
NULL;
break;
default:
/*Queue action do nothing*/
break;
}
}
for (j = 0; j < MLX5_MTR_DOMAIN_MAX; j++)
mtr_policy->dr_drop_action[j] = NULL;
}
/**
* Create policy action per domain, lock free,
* (mutex should be acquired by caller).
* Dispatcher for action type specific call.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] mtr_policy
* Meter policy struct.
* @param[in] action
* Action specification used to create meter actions.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value.
*/
static int
__flow_dv_create_domain_policy_acts(struct rte_eth_dev *dev,
struct mlx5_flow_meter_policy *mtr_policy,
const struct rte_flow_action *actions[RTE_COLORS],
enum mlx5_meter_domain domain,
struct rte_mtr_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct rte_flow_error flow_err;
const struct rte_flow_action *act;
uint64_t action_flags;
struct mlx5_flow_handle dh;
struct mlx5_flow dev_flow;
struct mlx5_flow_dv_port_id_action_resource port_id_action;
int i, ret;
uint8_t egress, transfer;
struct mlx5_meter_policy_action_container *act_cnt = NULL;
union {
struct mlx5_flow_dv_modify_hdr_resource res;
uint8_t len[sizeof(struct mlx5_flow_dv_modify_hdr_resource) +
sizeof(struct mlx5_modification_cmd) *
(MLX5_MAX_MODIFY_NUM + 1)];
} mhdr_dummy;
struct mlx5_flow_dv_modify_hdr_resource *mhdr_res = &mhdr_dummy.res;
struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
MLX5_ASSERT(wks);
egress = (domain == MLX5_MTR_DOMAIN_EGRESS) ? 1 : 0;
transfer = (domain == MLX5_MTR_DOMAIN_TRANSFER) ? 1 : 0;
memset(&dh, 0, sizeof(struct mlx5_flow_handle));
memset(&dev_flow, 0, sizeof(struct mlx5_flow));
memset(&port_id_action, 0,
sizeof(struct mlx5_flow_dv_port_id_action_resource));
memset(mhdr_res, 0, sizeof(*mhdr_res));
mhdr_res->ft_type = transfer ? MLX5DV_FLOW_TABLE_TYPE_FDB :
(egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
MLX5DV_FLOW_TABLE_TYPE_NIC_RX);
dev_flow.handle = &dh;
dev_flow.dv.port_id_action = &port_id_action;
dev_flow.external = true;
for (i = 0; i < RTE_COLORS; i++) {
if (i < MLX5_MTR_RTE_COLORS)
act_cnt = &mtr_policy->act_cnt[i];
/* Skip the color policy actions creation. */
if ((i == RTE_COLOR_YELLOW && mtr_policy->skip_y) ||
(i == RTE_COLOR_GREEN && mtr_policy->skip_g))
continue;
action_flags = 0;
for (act = actions[i];
act && act->type != RTE_FLOW_ACTION_TYPE_END; act++) {
switch (act->type) {
case RTE_FLOW_ACTION_TYPE_MARK:
{
uint32_t tag_be = mlx5_flow_mark_set
(((const struct rte_flow_action_mark *)
(act->conf))->id);
if (i >= MLX5_MTR_RTE_COLORS)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"cannot create policy "
"mark action for this color");
wks->mark = 1;
if (flow_dv_tag_resource_register(dev, tag_be,
&dev_flow, &flow_err))
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"cannot setup policy mark action");
MLX5_ASSERT(dev_flow.dv.tag_resource);
act_cnt->rix_mark =
dev_flow.handle->dvh.rix_tag;
action_flags |= MLX5_FLOW_ACTION_MARK;
break;
}
case RTE_FLOW_ACTION_TYPE_SET_TAG:
if (i >= MLX5_MTR_RTE_COLORS)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"cannot create policy "
"set tag action for this color");
if (flow_dv_convert_action_set_tag
(dev, mhdr_res,
(const struct rte_flow_action_set_tag *)
act->conf, &flow_err))
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "cannot convert policy "
"set tag action");
if (!mhdr_res->actions_num)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "cannot find policy "
"set tag action");
action_flags |= MLX5_FLOW_ACTION_SET_TAG;
break;
case RTE_FLOW_ACTION_TYPE_DROP:
{
struct mlx5_flow_mtr_mng *mtrmng =
priv->sh->mtrmng;
struct mlx5_flow_tbl_data_entry *tbl_data;
/*
* Create the drop table with
* METER DROP level.
*/
if (!mtrmng->drop_tbl[domain]) {
mtrmng->drop_tbl[domain] =
flow_dv_tbl_resource_get(dev,
MLX5_FLOW_TABLE_LEVEL_METER,
egress, transfer, false, NULL, 0,
0, MLX5_MTR_TABLE_ID_DROP, &flow_err);
if (!mtrmng->drop_tbl[domain])
return -rte_mtr_error_set
(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"Failed to create meter drop table");
}
tbl_data = container_of
(mtrmng->drop_tbl[domain],
struct mlx5_flow_tbl_data_entry, tbl);
if (i < MLX5_MTR_RTE_COLORS) {
act_cnt->dr_jump_action[domain] =
tbl_data->jump.action;
act_cnt->fate_action =
MLX5_FLOW_FATE_DROP;
}
if (i == RTE_COLOR_RED)
mtr_policy->dr_drop_action[domain] =
tbl_data->jump.action;
action_flags |= MLX5_FLOW_ACTION_DROP;
break;
}
case RTE_FLOW_ACTION_TYPE_QUEUE:
{
if (i >= MLX5_MTR_RTE_COLORS)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "cannot create policy "
"fate queue for this color");
act_cnt->queue =
((const struct rte_flow_action_queue *)
(act->conf))->index;
act_cnt->fate_action =
MLX5_FLOW_FATE_QUEUE;
dev_flow.handle->fate_action =
MLX5_FLOW_FATE_QUEUE;
mtr_policy->is_queue = 1;
action_flags |= MLX5_FLOW_ACTION_QUEUE;
break;
}
case RTE_FLOW_ACTION_TYPE_RSS:
{
int rss_size;
if (i >= MLX5_MTR_RTE_COLORS)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"cannot create policy "
"rss action for this color");
/*
* Save RSS conf into policy struct
* for translate stage.
*/
rss_size = (int)rte_flow_conv
(RTE_FLOW_CONV_OP_ACTION,
NULL, 0, act, &flow_err);
if (rss_size <= 0)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "Get the wrong "
"rss action struct size");
act_cnt->rss = mlx5_malloc(MLX5_MEM_ZERO,
rss_size, 0, SOCKET_ID_ANY);
if (!act_cnt->rss)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"Fail to malloc rss action memory");
ret = rte_flow_conv(RTE_FLOW_CONV_OP_ACTION,
act_cnt->rss, rss_size,
act, &flow_err);
if (ret < 0)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "Fail to save "
"rss action into policy struct");
act_cnt->fate_action =
MLX5_FLOW_FATE_SHARED_RSS;
action_flags |= MLX5_FLOW_ACTION_RSS;
break;
}
case RTE_FLOW_ACTION_TYPE_PORT_ID:
case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT:
{
struct mlx5_flow_dv_port_id_action_resource
port_id_resource;
uint32_t port_id = 0;
if (i >= MLX5_MTR_RTE_COLORS)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "cannot create policy "
"port action for this color");
memset(&port_id_resource, 0,
sizeof(port_id_resource));
if (flow_dv_translate_action_port_id(dev, act,
&port_id, &flow_err))
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "cannot translate "
"policy port action");
port_id_resource.port_id = port_id;
if (flow_dv_port_id_action_resource_register
(dev, &port_id_resource,
&dev_flow, &flow_err))
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "cannot setup "
"policy port action");
act_cnt->rix_port_id_action =
dev_flow.handle->rix_port_id_action;
act_cnt->fate_action =
MLX5_FLOW_FATE_PORT_ID;
action_flags |= MLX5_FLOW_ACTION_PORT_ID;
break;
}
case RTE_FLOW_ACTION_TYPE_JUMP:
{
uint32_t jump_group = 0;
uint32_t table = 0;
struct mlx5_flow_tbl_data_entry *tbl_data;
struct flow_grp_info grp_info = {
.external = !!dev_flow.external,
.transfer = !!transfer,
.fdb_def_rule = !!priv->fdb_def_rule,
.std_tbl_fix = 0,
.skip_scale = dev_flow.skip_scale &
(1 << MLX5_SCALE_FLOW_GROUP_BIT),
};
struct mlx5_flow_meter_sub_policy *sub_policy =
mtr_policy->sub_policys[domain][0];
if (i >= MLX5_MTR_RTE_COLORS)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"cannot create policy "
"jump action for this color");
jump_group =
((const struct rte_flow_action_jump *)
act->conf)->group;
if (mlx5_flow_group_to_table(dev, NULL,
jump_group,
&table,
&grp_info, &flow_err))
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "cannot setup "
"policy jump action");
sub_policy->jump_tbl[i] =
flow_dv_tbl_resource_get(dev,
table, egress,
transfer,
!!dev_flow.external,
NULL, jump_group, 0,
0, &flow_err);
if
(!sub_policy->jump_tbl[i])
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "cannot create jump action.");
tbl_data = container_of
(sub_policy->jump_tbl[i],
struct mlx5_flow_tbl_data_entry, tbl);
act_cnt->dr_jump_action[domain] =
tbl_data->jump.action;
act_cnt->fate_action =
MLX5_FLOW_FATE_JUMP;
action_flags |= MLX5_FLOW_ACTION_JUMP;
break;
}
/*
* No need to check meter hierarchy for Y or R colors
* here since it is done in the validation stage.
*/
case RTE_FLOW_ACTION_TYPE_METER:
{
const struct rte_flow_action_meter *mtr;
struct mlx5_flow_meter_info *next_fm;
struct mlx5_flow_meter_policy *next_policy;
struct rte_flow_action tag_action;
struct mlx5_rte_flow_action_set_tag set_tag;
uint32_t next_mtr_idx = 0;
mtr = act->conf;
next_fm = mlx5_flow_meter_find(priv,
mtr->mtr_id,
&next_mtr_idx);
if (!next_fm)
return -rte_mtr_error_set(error, EINVAL,
RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
"Fail to find next meter.");
if (next_fm->def_policy)
return -rte_mtr_error_set(error, EINVAL,
RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
"Hierarchy only supports termination meter.");
next_policy = mlx5_flow_meter_policy_find(dev,
next_fm->policy_id, NULL);
MLX5_ASSERT(next_policy);
if (next_fm->drop_cnt) {
set_tag.id =
(enum modify_reg)
mlx5_flow_get_reg_id(dev,
MLX5_MTR_ID,
0,
(struct rte_flow_error *)error);
set_tag.offset = (priv->mtr_reg_share ?
MLX5_MTR_COLOR_BITS : 0);
set_tag.length = (priv->mtr_reg_share ?
MLX5_MTR_IDLE_BITS_IN_COLOR_REG :
MLX5_REG_BITS);
set_tag.data = next_mtr_idx;
tag_action.type =
(enum rte_flow_action_type)
MLX5_RTE_FLOW_ACTION_TYPE_TAG;
tag_action.conf = &set_tag;
if (flow_dv_convert_action_set_reg
(mhdr_res, &tag_action,
(struct rte_flow_error *)error))
return -rte_errno;
action_flags |=
MLX5_FLOW_ACTION_SET_TAG;
}
act_cnt->fate_action = MLX5_FLOW_FATE_MTR;
act_cnt->next_mtr_id = next_fm->meter_id;
act_cnt->next_sub_policy = NULL;
mtr_policy->is_hierarchy = 1;
mtr_policy->dev = next_policy->dev;
action_flags |=
MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY;
break;
}
default:
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "action type not supported");
}
if (action_flags & MLX5_FLOW_ACTION_SET_TAG) {
/* create modify action if needed. */
dev_flow.dv.group = 1;
if (flow_dv_modify_hdr_resource_register
(dev, mhdr_res, &dev_flow, &flow_err))
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "cannot register policy "
"set tag action");
act_cnt->modify_hdr =
dev_flow.handle->dvh.modify_hdr;
}
}
}
return 0;
}
/**
* Create policy action per domain, lock free,
* (mutex should be acquired by caller).
* Dispatcher for action type specific call.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] mtr_policy
* Meter policy struct.
* @param[in] action
* Action specification used to create meter actions.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value.
*/
static int
flow_dv_create_mtr_policy_acts(struct rte_eth_dev *dev,
struct mlx5_flow_meter_policy *mtr_policy,
const struct rte_flow_action *actions[RTE_COLORS],
struct rte_mtr_error *error)
{
int ret, i;
uint16_t sub_policy_num;
for (i = 0; i < MLX5_MTR_DOMAIN_MAX; i++) {
sub_policy_num = (mtr_policy->sub_policy_num >>
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * i)) &
MLX5_MTR_SUB_POLICY_NUM_MASK;
if (sub_policy_num) {
ret = __flow_dv_create_domain_policy_acts(dev,
mtr_policy, actions,
(enum mlx5_meter_domain)i, error);
/* Cleaning resource is done in the caller level. */
if (ret)
return ret;
}
}
return 0;
}
/**
* Query a DV flow rule for its statistics via DevX.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] cnt_idx
* Index to the flow counter.
* @param[out] data
* Data retrieved by the query.
* @param[out] error
* Perform verbose error reporting if not NULL.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
flow_dv_query_count(struct rte_eth_dev *dev, uint32_t cnt_idx, void *data,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct rte_flow_query_count *qc = data;
if (!priv->sh->devx)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"counters are not supported");
if (cnt_idx) {
uint64_t pkts, bytes;
struct mlx5_flow_counter *cnt;
int err = _flow_dv_query_count(dev, cnt_idx, &pkts, &bytes);
if (err)
return rte_flow_error_set(error, -err,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot read counters");
cnt = flow_dv_counter_get_by_idx(dev, cnt_idx, NULL);
qc->hits_set = 1;
qc->bytes_set = 1;
qc->hits = pkts - cnt->hits;
qc->bytes = bytes - cnt->bytes;
if (qc->reset) {
cnt->hits = pkts;
cnt->bytes = bytes;
}
return 0;
}
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"counters are not available");
}
/**
* Query counter's action pointer for a DV flow rule via DevX.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] cnt_idx
* Index to the flow counter.
* @param[out] action_ptr
* Action pointer for counter.
* @param[out] error
* Perform verbose error reporting if not NULL.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
flow_dv_query_count_ptr(struct rte_eth_dev *dev, uint32_t cnt_idx,
void **action_ptr, struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
if (!priv->sh->devx || !action_ptr)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"counters are not supported");
if (cnt_idx) {
struct mlx5_flow_counter *cnt = NULL;
cnt = flow_dv_counter_get_by_idx(dev, cnt_idx, NULL);
if (cnt) {
*action_ptr = cnt->action;
return 0;
}
}
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"counters are not available");
}
static int
flow_dv_action_query(struct rte_eth_dev *dev,
const struct rte_flow_action_handle *handle, void *data,
struct rte_flow_error *error)
{
struct mlx5_age_param *age_param;
struct rte_flow_query_age *resp;
uint32_t act_idx = (uint32_t)(uintptr_t)handle;
uint32_t type = act_idx >> MLX5_INDIRECT_ACTION_TYPE_OFFSET;
uint32_t idx = act_idx & ((1u << MLX5_INDIRECT_ACTION_TYPE_OFFSET) - 1);
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_aso_ct_action *ct;
uint16_t owner;
uint32_t dev_idx;
switch (type) {
case MLX5_INDIRECT_ACTION_TYPE_AGE:
age_param = &flow_aso_age_get_by_idx(dev, idx)->age_params;
resp = data;
resp->aged = __atomic_load_n(&age_param->state,
__ATOMIC_RELAXED) == AGE_TMOUT ?
1 : 0;
resp->sec_since_last_hit_valid = !resp->aged;
if (resp->sec_since_last_hit_valid)
resp->sec_since_last_hit = __atomic_load_n
(&age_param->sec_since_last_hit, __ATOMIC_RELAXED);
return 0;
case MLX5_INDIRECT_ACTION_TYPE_COUNT:
return flow_dv_query_count(dev, idx, data, error);
case MLX5_INDIRECT_ACTION_TYPE_CT:
owner = (uint16_t)MLX5_INDIRECT_ACT_CT_GET_OWNER(idx);
if (owner != PORT_ID(priv))
return rte_flow_error_set(error, EACCES,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"CT object owned by another port");
dev_idx = MLX5_INDIRECT_ACT_CT_GET_IDX(idx);
ct = flow_aso_ct_get_by_dev_idx(dev, dev_idx);
MLX5_ASSERT(ct);
if (!ct->refcnt)
return rte_flow_error_set(error, EFAULT,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"CT object is inactive");
((struct rte_flow_action_conntrack *)data)->peer_port =
ct->peer;
((struct rte_flow_action_conntrack *)data)->is_original_dir =
ct->is_original;
if (mlx5_aso_ct_query_by_wqe(priv->sh, ct, data))
return rte_flow_error_set(error, EIO,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"Failed to query CT context");
return 0;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"action type query not supported");
}
}
/**
* Query a flow rule AGE action for aging information.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] flow
* Pointer to the sub flow.
* @param[out] data
* data retrieved by the query.
* @param[out] error
* Perform verbose error reporting if not NULL.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_query_age(struct rte_eth_dev *dev, struct rte_flow *flow,
void *data, struct rte_flow_error *error)
{
struct rte_flow_query_age *resp = data;
struct mlx5_age_param *age_param;
if (flow->age) {
struct mlx5_aso_age_action *act =
flow_aso_age_get_by_idx(dev, flow->age);
age_param = &act->age_params;
} else if (flow->counter) {
age_param = flow_dv_counter_idx_get_age(dev, flow->counter);
if (!age_param || !age_param->timeout)
return rte_flow_error_set
(error, EINVAL,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot read age data");
} else {
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "age data not available");
}
resp->aged = __atomic_load_n(&age_param->state, __ATOMIC_RELAXED) ==
AGE_TMOUT ? 1 : 0;
resp->sec_since_last_hit_valid = !resp->aged;
if (resp->sec_since_last_hit_valid)
resp->sec_since_last_hit = __atomic_load_n
(&age_param->sec_since_last_hit, __ATOMIC_RELAXED);
return 0;
}
/**
* Query a flow.
*
* @see rte_flow_query()
* @see rte_flow_ops
*/
static int
flow_dv_query(struct rte_eth_dev *dev,
struct rte_flow *flow __rte_unused,
const struct rte_flow_action *actions __rte_unused,
void *data __rte_unused,
struct rte_flow_error *error __rte_unused)
{
int ret = -EINVAL;
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
switch (actions->type) {
case RTE_FLOW_ACTION_TYPE_VOID:
break;
case RTE_FLOW_ACTION_TYPE_COUNT:
ret = flow_dv_query_count(dev, flow->counter, data,
error);
break;
case RTE_FLOW_ACTION_TYPE_AGE:
ret = flow_dv_query_age(dev, flow, data, error);
break;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
actions,
"action not supported");
}
}
return ret;
}
/**
* Destroy the meter table set.
* Lock free, (mutex should be acquired by caller).
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] fm
* Meter information table.
*/
static void
flow_dv_destroy_mtr_tbls(struct rte_eth_dev *dev,
struct mlx5_flow_meter_info *fm)
{
struct mlx5_priv *priv = dev->data->dev_private;
int i;
if (!fm || !priv->config.dv_flow_en)
return;
for (i = 0; i < MLX5_MTR_DOMAIN_MAX; i++) {
if (fm->drop_rule[i]) {
claim_zero(mlx5_flow_os_destroy_flow(fm->drop_rule[i]));
fm->drop_rule[i] = NULL;
}
}
}
static void
flow_dv_destroy_mtr_drop_tbls(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_mtr_mng *mtrmng = priv->sh->mtrmng;
struct mlx5_flow_tbl_data_entry *tbl;
int i, j;
for (i = 0; i < MLX5_MTR_DOMAIN_MAX; i++) {
if (mtrmng->def_rule[i]) {
claim_zero(mlx5_flow_os_destroy_flow
(mtrmng->def_rule[i]));
mtrmng->def_rule[i] = NULL;
}
if (mtrmng->def_matcher[i]) {
tbl = container_of(mtrmng->def_matcher[i]->tbl,
struct mlx5_flow_tbl_data_entry, tbl);
mlx5_list_unregister(tbl->matchers,
&mtrmng->def_matcher[i]->entry);
mtrmng->def_matcher[i] = NULL;
}
for (j = 0; j < MLX5_REG_BITS; j++) {
if (mtrmng->drop_matcher[i][j]) {
tbl =
container_of(mtrmng->drop_matcher[i][j]->tbl,
struct mlx5_flow_tbl_data_entry,
tbl);
mlx5_list_unregister(tbl->matchers,
&mtrmng->drop_matcher[i][j]->entry);
mtrmng->drop_matcher[i][j] = NULL;
}
}
if (mtrmng->drop_tbl[i]) {
flow_dv_tbl_resource_release(MLX5_SH(dev),
mtrmng->drop_tbl[i]);
mtrmng->drop_tbl[i] = NULL;
}
}
}
/* Number of meter flow actions, count and jump or count and drop. */
#define METER_ACTIONS 2
static void
__flow_dv_destroy_domain_def_policy(struct rte_eth_dev *dev,
enum mlx5_meter_domain domain)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_meter_def_policy *def_policy =
priv->sh->mtrmng->def_policy[domain];
__flow_dv_destroy_sub_policy_rules(dev, &def_policy->sub_policy);
mlx5_free(def_policy);
priv->sh->mtrmng->def_policy[domain] = NULL;
}
/**
* Destroy the default policy table set.
*
* @param[in] dev
* Pointer to Ethernet device.
*/
static void
flow_dv_destroy_def_policy(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
int i;
for (i = 0; i < MLX5_MTR_DOMAIN_MAX; i++)
if (priv->sh->mtrmng->def_policy[i])
__flow_dv_destroy_domain_def_policy(dev,
(enum mlx5_meter_domain)i);
priv->sh->mtrmng->def_policy_id = MLX5_INVALID_POLICY_ID;
}
static int
__flow_dv_create_policy_flow(struct rte_eth_dev *dev,
uint32_t color_reg_c_idx,
enum rte_color color, void *matcher_object,
int actions_n, void *actions,
bool match_src_port, const struct rte_flow_item *item,
void **rule, const struct rte_flow_attr *attr)
{
int ret;
struct mlx5_flow_dv_match_params value = {
.size = sizeof(value.buf),
};
struct mlx5_flow_dv_match_params matcher = {
.size = sizeof(matcher.buf),
};
struct mlx5_priv *priv = dev->data->dev_private;
uint8_t misc_mask;
if (match_src_port && (priv->representor || priv->master)) {
if (flow_dv_translate_item_port_id(dev, matcher.buf,
value.buf, item, attr)) {
DRV_LOG(ERR, "Failed to create meter policy%d flow's"
" value with port.", color);
return -1;
}
}
flow_dv_match_meta_reg(matcher.buf, value.buf,
(enum modify_reg)color_reg_c_idx,
rte_col_2_mlx5_col(color), UINT32_MAX);
misc_mask = flow_dv_matcher_enable(value.buf);
__flow_dv_adjust_buf_size(&value.size, misc_mask);
ret = mlx5_flow_os_create_flow(matcher_object, (void *)&value,
actions_n, actions, rule);
if (ret) {
DRV_LOG(ERR, "Failed to create meter policy%d flow.", color);
return -1;
}
return 0;
}
static int
__flow_dv_create_policy_matcher(struct rte_eth_dev *dev,
uint32_t color_reg_c_idx,
uint16_t priority,
struct mlx5_flow_meter_sub_policy *sub_policy,
const struct rte_flow_attr *attr,
bool match_src_port,
const struct rte_flow_item *item,
struct mlx5_flow_dv_matcher **policy_matcher,
struct rte_flow_error *error)
{
struct mlx5_list_entry *entry;
struct mlx5_flow_tbl_resource *tbl_rsc = sub_policy->tbl_rsc;
struct mlx5_flow_dv_matcher matcher = {
.mask = {
.size = sizeof(matcher.mask.buf),
},
.tbl = tbl_rsc,
};
struct mlx5_flow_dv_match_params value = {
.size = sizeof(value.buf),
};
struct mlx5_flow_cb_ctx ctx = {
.error = error,
.data = &matcher,
};
struct mlx5_flow_tbl_data_entry *tbl_data;
struct mlx5_priv *priv = dev->data->dev_private;
const uint32_t color_mask = (UINT32_C(1) << MLX5_MTR_COLOR_BITS) - 1;
if (match_src_port && (priv->representor || priv->master)) {
if (flow_dv_translate_item_port_id(dev, matcher.mask.buf,
value.buf, item, attr)) {
DRV_LOG(ERR, "Failed to register meter policy%d matcher"
" with port.", priority);
return -1;
}
}
tbl_data = container_of(tbl_rsc, struct mlx5_flow_tbl_data_entry, tbl);
if (priority < RTE_COLOR_RED)
flow_dv_match_meta_reg(matcher.mask.buf, value.buf,
(enum modify_reg)color_reg_c_idx, 0, color_mask);
matcher.priority = priority;
matcher.crc = rte_raw_cksum((const void *)matcher.mask.buf,
matcher.mask.size);
entry = mlx5_list_register(tbl_data->matchers, &ctx);
if (!entry) {
DRV_LOG(ERR, "Failed to register meter drop matcher.");
return -1;
}
*policy_matcher =
container_of(entry, struct mlx5_flow_dv_matcher, entry);
return 0;
}
/**
* Create the policy rules per domain.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] sub_policy
* Pointer to sub policy table..
* @param[in] egress
* Direction of the table.
* @param[in] transfer
* E-Switch or NIC flow.
* @param[in] acts
* Pointer to policy action list per color.
*
* @return
* 0 on success, -1 otherwise.
*/
static int
__flow_dv_create_domain_policy_rules(struct rte_eth_dev *dev,
struct mlx5_flow_meter_sub_policy *sub_policy,
uint8_t egress, uint8_t transfer, bool match_src_port,
struct mlx5_meter_policy_acts acts[RTE_COLORS])
{
struct mlx5_priv *priv = dev->data->dev_private;
struct rte_flow_error flow_err;
uint32_t color_reg_c_idx;
struct rte_flow_attr attr = {
.group = MLX5_FLOW_TABLE_LEVEL_POLICY,
.priority = 0,
.ingress = 0,
.egress = !!egress,
.transfer = !!transfer,
.reserved = 0,
};
int i;
int ret = mlx5_flow_get_reg_id(dev, MLX5_MTR_COLOR, 0, &flow_err);
struct mlx5_sub_policy_color_rule *color_rule;
bool svport_match;
struct mlx5_sub_policy_color_rule *tmp_rules[RTE_COLORS] = {NULL};
if (ret < 0)
return -1;
/* Create policy table with POLICY level. */
if (!sub_policy->tbl_rsc)
sub_policy->tbl_rsc = flow_dv_tbl_resource_get(dev,
MLX5_FLOW_TABLE_LEVEL_POLICY,
egress, transfer, false, NULL, 0, 0,
sub_policy->idx, &flow_err);
if (!sub_policy->tbl_rsc) {
DRV_LOG(ERR,
"Failed to create meter sub policy table.");
return -1;
}
/* Prepare matchers. */
color_reg_c_idx = ret;
for (i = 0; i < RTE_COLORS; i++) {
TAILQ_INIT(&sub_policy->color_rules[i]);
if (!acts[i].actions_n)
continue;
color_rule = mlx5_malloc(MLX5_MEM_ZERO,
sizeof(struct mlx5_sub_policy_color_rule),
0, SOCKET_ID_ANY);
if (!color_rule) {
DRV_LOG(ERR, "No memory to create color rule.");
goto err_exit;
}
tmp_rules[i] = color_rule;
TAILQ_INSERT_TAIL(&sub_policy->color_rules[i],
color_rule, next_port);
color_rule->src_port = priv->representor_id;
/* No use. */
attr.priority = i;
/* Create matchers for colors. */
svport_match = (i != RTE_COLOR_RED) ? match_src_port : false;
if (__flow_dv_create_policy_matcher(dev, color_reg_c_idx,
MLX5_MTR_POLICY_MATCHER_PRIO, sub_policy,
&attr, svport_match, NULL,
&color_rule->matcher, &flow_err)) {
DRV_LOG(ERR, "Failed to create color%u matcher.", i);
goto err_exit;
}
/* Create flow, matching color. */
if (__flow_dv_create_policy_flow(dev,
color_reg_c_idx, (enum rte_color)i,
color_rule->matcher->matcher_object,
acts[i].actions_n, acts[i].dv_actions,
svport_match, NULL, &color_rule->rule,
&attr)) {
DRV_LOG(ERR, "Failed to create color%u rule.", i);
goto err_exit;
}
}
return 0;
err_exit:
/* All the policy rules will be cleared. */
do {
color_rule = tmp_rules[i];
if (color_rule) {
if (color_rule->rule)
mlx5_flow_os_destroy_flow(color_rule->rule);
if (color_rule->matcher) {
struct mlx5_flow_tbl_data_entry *tbl =
container_of(color_rule->matcher->tbl,
typeof(*tbl), tbl);
mlx5_list_unregister(tbl->matchers,
&color_rule->matcher->entry);
}
TAILQ_REMOVE(&sub_policy->color_rules[i],
color_rule, next_port);
mlx5_free(color_rule);
}
} while (i--);
return -1;
}
static int
__flow_dv_create_policy_acts_rules(struct rte_eth_dev *dev,
struct mlx5_flow_meter_policy *mtr_policy,
struct mlx5_flow_meter_sub_policy *sub_policy,
uint32_t domain)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_meter_policy_acts acts[RTE_COLORS];
struct mlx5_flow_dv_tag_resource *tag;
struct mlx5_flow_dv_port_id_action_resource *port_action;
struct mlx5_hrxq *hrxq;
struct mlx5_flow_meter_info *next_fm = NULL;
struct mlx5_flow_meter_policy *next_policy;
struct mlx5_flow_meter_sub_policy *next_sub_policy;
struct mlx5_flow_tbl_data_entry *tbl_data;
struct rte_flow_error error;
uint8_t egress = (domain == MLX5_MTR_DOMAIN_EGRESS) ? 1 : 0;
uint8_t transfer = (domain == MLX5_MTR_DOMAIN_TRANSFER) ? 1 : 0;
bool mtr_first = egress || (transfer && priv->representor_id != UINT16_MAX);
bool match_src_port = false;
int i;
/* If RSS or Queue, no previous actions / rules is created. */
for (i = 0; i < RTE_COLORS; i++) {
acts[i].actions_n = 0;
if (i == RTE_COLOR_RED) {
/* Only support drop on red. */
acts[i].dv_actions[0] =
mtr_policy->dr_drop_action[domain];
acts[i].actions_n = 1;
continue;
}
if (i == RTE_COLOR_GREEN &&
mtr_policy->act_cnt[i].fate_action == MLX5_FLOW_FATE_MTR) {
struct rte_flow_attr attr = {
.transfer = transfer
};
next_fm = mlx5_flow_meter_find(priv,
mtr_policy->act_cnt[i].next_mtr_id,
NULL);
if (!next_fm) {
DRV_LOG(ERR,
"Failed to get next hierarchy meter.");
goto err_exit;
}
if (mlx5_flow_meter_attach(priv, next_fm,
&attr, &error)) {
DRV_LOG(ERR, "%s", error.message);
next_fm = NULL;
goto err_exit;
}
/* Meter action must be the first for TX. */
if (mtr_first) {
acts[i].dv_actions[acts[i].actions_n] =
next_fm->meter_action;
acts[i].actions_n++;
}
}
if (mtr_policy->act_cnt[i].rix_mark) {
tag = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_TAG],
mtr_policy->act_cnt[i].rix_mark);
if (!tag) {
DRV_LOG(ERR, "Failed to find "
"mark action for policy.");
goto err_exit;
}
acts[i].dv_actions[acts[i].actions_n] = tag->action;
acts[i].actions_n++;
}
if (mtr_policy->act_cnt[i].modify_hdr) {
acts[i].dv_actions[acts[i].actions_n] =
mtr_policy->act_cnt[i].modify_hdr->action;
acts[i].actions_n++;
}
if (mtr_policy->act_cnt[i].fate_action) {
switch (mtr_policy->act_cnt[i].fate_action) {
case MLX5_FLOW_FATE_PORT_ID:
port_action = mlx5_ipool_get
(priv->sh->ipool[MLX5_IPOOL_PORT_ID],
mtr_policy->act_cnt[i].rix_port_id_action);
if (!port_action) {
DRV_LOG(ERR, "Failed to find "
"port action for policy.");
goto err_exit;
}
acts[i].dv_actions[acts[i].actions_n] =
port_action->action;
acts[i].actions_n++;
mtr_policy->dev = dev;
match_src_port = true;
break;
case MLX5_FLOW_FATE_DROP:
case MLX5_FLOW_FATE_JUMP:
acts[i].dv_actions[acts[i].actions_n] =
mtr_policy->act_cnt[i].dr_jump_action[domain];
acts[i].actions_n++;
break;
case MLX5_FLOW_FATE_SHARED_RSS:
case MLX5_FLOW_FATE_QUEUE:
hrxq = mlx5_ipool_get
(priv->sh->ipool[MLX5_IPOOL_HRXQ],
sub_policy->rix_hrxq[i]);
if (!hrxq) {
DRV_LOG(ERR, "Failed to find "
"queue action for policy.");
goto err_exit;
}
acts[i].dv_actions[acts[i].actions_n] =
hrxq->action;
acts[i].actions_n++;
break;
case MLX5_FLOW_FATE_MTR:
if (!next_fm) {
DRV_LOG(ERR,
"No next hierarchy meter.");
goto err_exit;
}
if (!mtr_first) {
acts[i].dv_actions[acts[i].actions_n] =
next_fm->meter_action;
acts[i].actions_n++;
}
if (mtr_policy->act_cnt[i].next_sub_policy) {
next_sub_policy =
mtr_policy->act_cnt[i].next_sub_policy;
} else {
next_policy =
mlx5_flow_meter_policy_find(dev,
next_fm->policy_id, NULL);
MLX5_ASSERT(next_policy);
next_sub_policy =
next_policy->sub_policys[domain][0];
}
tbl_data =
container_of(next_sub_policy->tbl_rsc,
struct mlx5_flow_tbl_data_entry, tbl);
acts[i].dv_actions[acts[i].actions_n++] =
tbl_data->jump.action;
if (mtr_policy->act_cnt[i].modify_hdr)
match_src_port = !!transfer;
break;
default:
/*Queue action do nothing*/
break;
}
}
}
if (__flow_dv_create_domain_policy_rules(dev, sub_policy,
egress, transfer, match_src_port, acts)) {
DRV_LOG(ERR,
"Failed to create policy rules per domain.");
goto err_exit;
}
return 0;
err_exit:
if (next_fm)
mlx5_flow_meter_detach(priv, next_fm);
return -1;
}
/**
* Create the policy rules.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in,out] mtr_policy
* Pointer to meter policy table.
*
* @return
* 0 on success, -1 otherwise.
*/
static int
flow_dv_create_policy_rules(struct rte_eth_dev *dev,
struct mlx5_flow_meter_policy *mtr_policy)
{
int i;
uint16_t sub_policy_num;
for (i = 0; i < MLX5_MTR_DOMAIN_MAX; i++) {
sub_policy_num = (mtr_policy->sub_policy_num >>
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * i)) &
MLX5_MTR_SUB_POLICY_NUM_MASK;
if (!sub_policy_num)
continue;
/* Prepare actions list and create policy rules. */
if (__flow_dv_create_policy_acts_rules(dev, mtr_policy,
mtr_policy->sub_policys[i][0], i)) {
DRV_LOG(ERR, "Failed to create policy action "
"list per domain.");
return -1;
}
}
return 0;
}
static int
__flow_dv_create_domain_def_policy(struct rte_eth_dev *dev, uint32_t domain)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_mtr_mng *mtrmng = priv->sh->mtrmng;
struct mlx5_flow_meter_def_policy *def_policy;
struct mlx5_flow_tbl_resource *jump_tbl;
struct mlx5_flow_tbl_data_entry *tbl_data;
uint8_t egress, transfer;
struct rte_flow_error error;
struct mlx5_meter_policy_acts acts[RTE_COLORS];
int ret;
egress = (domain == MLX5_MTR_DOMAIN_EGRESS) ? 1 : 0;
transfer = (domain == MLX5_MTR_DOMAIN_TRANSFER) ? 1 : 0;
def_policy = mtrmng->def_policy[domain];
if (!def_policy) {
def_policy = mlx5_malloc(MLX5_MEM_ZERO,
sizeof(struct mlx5_flow_meter_def_policy),
RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
if (!def_policy) {
DRV_LOG(ERR, "Failed to alloc default policy table.");
goto def_policy_error;
}
mtrmng->def_policy[domain] = def_policy;
/* Create the meter suffix table with SUFFIX level. */
jump_tbl = flow_dv_tbl_resource_get(dev,
MLX5_FLOW_TABLE_LEVEL_METER,
egress, transfer, false, NULL, 0,
0, MLX5_MTR_TABLE_ID_SUFFIX, &error);
if (!jump_tbl) {
DRV_LOG(ERR,
"Failed to create meter suffix table.");
goto def_policy_error;
}
def_policy->sub_policy.jump_tbl[RTE_COLOR_GREEN] = jump_tbl;
tbl_data = container_of(jump_tbl,
struct mlx5_flow_tbl_data_entry, tbl);
def_policy->dr_jump_action[RTE_COLOR_GREEN] =
tbl_data->jump.action;
acts[RTE_COLOR_GREEN].dv_actions[0] = tbl_data->jump.action;
acts[RTE_COLOR_GREEN].actions_n = 1;
/*
* YELLOW has the same default policy as GREEN does.
* G & Y share the same table and action. The 2nd time of table
* resource getting is just to update the reference count for
* the releasing stage.
*/
jump_tbl = flow_dv_tbl_resource_get(dev,
MLX5_FLOW_TABLE_LEVEL_METER,
egress, transfer, false, NULL, 0,
0, MLX5_MTR_TABLE_ID_SUFFIX, &error);
if (!jump_tbl) {
DRV_LOG(ERR,
"Failed to get meter suffix table.");
goto def_policy_error;
}
def_policy->sub_policy.jump_tbl[RTE_COLOR_YELLOW] = jump_tbl;
tbl_data = container_of(jump_tbl,
struct mlx5_flow_tbl_data_entry, tbl);
def_policy->dr_jump_action[RTE_COLOR_YELLOW] =
tbl_data->jump.action;
acts[RTE_COLOR_YELLOW].dv_actions[0] = tbl_data->jump.action;
acts[RTE_COLOR_YELLOW].actions_n = 1;
/* Create jump action to the drop table. */
if (!mtrmng->drop_tbl[domain]) {
mtrmng->drop_tbl[domain] = flow_dv_tbl_resource_get
(dev, MLX5_FLOW_TABLE_LEVEL_METER,
egress, transfer, false, NULL, 0,
0, MLX5_MTR_TABLE_ID_DROP, &error);
if (!mtrmng->drop_tbl[domain]) {
DRV_LOG(ERR, "Failed to create meter "
"drop table for default policy.");
goto def_policy_error;
}
}
/* all RED: unique Drop table for jump action. */
tbl_data = container_of(mtrmng->drop_tbl[domain],
struct mlx5_flow_tbl_data_entry, tbl);
def_policy->dr_jump_action[RTE_COLOR_RED] =
tbl_data->jump.action;
acts[RTE_COLOR_RED].dv_actions[0] = tbl_data->jump.action;
acts[RTE_COLOR_RED].actions_n = 1;
/* Create default policy rules. */
ret = __flow_dv_create_domain_policy_rules(dev,
&def_policy->sub_policy,
egress, transfer, false, acts);
if (ret) {
DRV_LOG(ERR, "Failed to create default policy rules.");
goto def_policy_error;
}
}
return 0;
def_policy_error:
__flow_dv_destroy_domain_def_policy(dev,
(enum mlx5_meter_domain)domain);
return -1;
}
/**
* Create the default policy table set.
*
* @param[in] dev
* Pointer to Ethernet device.
* @return
* 0 on success, -1 otherwise.
*/
static int
flow_dv_create_def_policy(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
int i;
/* Non-termination policy table. */
for (i = 0; i < MLX5_MTR_DOMAIN_MAX; i++) {
if (!priv->config.dv_esw_en && i == MLX5_MTR_DOMAIN_TRANSFER)
continue;
if (__flow_dv_create_domain_def_policy(dev, i)) {
DRV_LOG(ERR, "Failed to create default policy");
/* Rollback the created default policies for others. */
flow_dv_destroy_def_policy(dev);
return -1;
}
}
return 0;
}
/**
* Create the needed meter tables.
* Lock free, (mutex should be acquired by caller).
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] fm
* Meter information table.
* @param[in] mtr_idx
* Meter index.
* @param[in] domain_bitmap
* Domain bitmap.
* @return
* 0 on success, -1 otherwise.
*/
static int
flow_dv_create_mtr_tbls(struct rte_eth_dev *dev,
struct mlx5_flow_meter_info *fm,
uint32_t mtr_idx,
uint8_t domain_bitmap)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_mtr_mng *mtrmng = priv->sh->mtrmng;
struct rte_flow_error error;
struct mlx5_flow_tbl_data_entry *tbl_data;
uint8_t egress, transfer;
void *actions[METER_ACTIONS];
int domain, ret, i;
struct mlx5_flow_counter *cnt;
struct mlx5_flow_dv_match_params value = {
.size = sizeof(value.buf),
};
struct mlx5_flow_dv_match_params matcher_para = {
.size = sizeof(matcher_para.buf),
};
int mtr_id_reg_c = mlx5_flow_get_reg_id(dev, MLX5_MTR_ID,
0, &error);
uint32_t mtr_id_mask = (UINT32_C(1) << mtrmng->max_mtr_bits) - 1;
uint8_t mtr_id_offset = priv->mtr_reg_share ? MLX5_MTR_COLOR_BITS : 0;
struct mlx5_list_entry *entry;
struct mlx5_flow_dv_matcher matcher = {
.mask = {
.size = sizeof(matcher.mask.buf),
},
};
struct mlx5_flow_dv_matcher *drop_matcher;
struct mlx5_flow_cb_ctx ctx = {
.error = &error,
.data = &matcher,
};
uint8_t misc_mask;
if (!priv->mtr_en || mtr_id_reg_c < 0) {
rte_errno = ENOTSUP;
return -1;
}
for (domain = 0; domain < MLX5_MTR_DOMAIN_MAX; domain++) {
if (!(domain_bitmap & (1 << domain)) ||
(mtrmng->def_rule[domain] && !fm->drop_cnt))
continue;
egress = (domain == MLX5_MTR_DOMAIN_EGRESS) ? 1 : 0;
transfer = (domain == MLX5_MTR_DOMAIN_TRANSFER) ? 1 : 0;
/* Create the drop table with METER DROP level. */
if (!mtrmng->drop_tbl[domain]) {
mtrmng->drop_tbl[domain] = flow_dv_tbl_resource_get(dev,
MLX5_FLOW_TABLE_LEVEL_METER,
egress, transfer, false, NULL, 0,
0, MLX5_MTR_TABLE_ID_DROP, &error);
if (!mtrmng->drop_tbl[domain]) {
DRV_LOG(ERR, "Failed to create meter drop table.");
goto policy_error;
}
}
/* Create default matcher in drop table. */
matcher.tbl = mtrmng->drop_tbl[domain],
tbl_data = container_of(mtrmng->drop_tbl[domain],
struct mlx5_flow_tbl_data_entry, tbl);
if (!mtrmng->def_matcher[domain]) {
flow_dv_match_meta_reg(matcher.mask.buf, value.buf,
(enum modify_reg)mtr_id_reg_c,
0, 0);
matcher.priority = MLX5_MTRS_DEFAULT_RULE_PRIORITY;
matcher.crc = rte_raw_cksum
((const void *)matcher.mask.buf,
matcher.mask.size);
entry = mlx5_list_register(tbl_data->matchers, &ctx);
if (!entry) {
DRV_LOG(ERR, "Failed to register meter "
"drop default matcher.");
goto policy_error;
}
mtrmng->def_matcher[domain] = container_of(entry,
struct mlx5_flow_dv_matcher, entry);
}
/* Create default rule in drop table. */
if (!mtrmng->def_rule[domain]) {
i = 0;
actions[i++] = priv->sh->dr_drop_action;
flow_dv_match_meta_reg(matcher_para.buf, value.buf,
(enum modify_reg)mtr_id_reg_c, 0, 0);
misc_mask = flow_dv_matcher_enable(value.buf);
__flow_dv_adjust_buf_size(&value.size, misc_mask);
ret = mlx5_flow_os_create_flow
(mtrmng->def_matcher[domain]->matcher_object,
(void *)&value, i, actions,
&mtrmng->def_rule[domain]);
if (ret) {
DRV_LOG(ERR, "Failed to create meter "
"default drop rule for drop table.");
goto policy_error;
}
}
if (!fm->drop_cnt)
continue;
MLX5_ASSERT(mtrmng->max_mtr_bits);
if (!mtrmng->drop_matcher[domain][mtrmng->max_mtr_bits - 1]) {
/* Create matchers for Drop. */
flow_dv_match_meta_reg(matcher.mask.buf, value.buf,
(enum modify_reg)mtr_id_reg_c, 0,
(mtr_id_mask << mtr_id_offset));
matcher.priority = MLX5_REG_BITS - mtrmng->max_mtr_bits;
matcher.crc = rte_raw_cksum
((const void *)matcher.mask.buf,
matcher.mask.size);
entry = mlx5_list_register(tbl_data->matchers, &ctx);
if (!entry) {
DRV_LOG(ERR,
"Failed to register meter drop matcher.");
goto policy_error;
}
mtrmng->drop_matcher[domain][mtrmng->max_mtr_bits - 1] =
container_of(entry, struct mlx5_flow_dv_matcher,
entry);
}
drop_matcher =
mtrmng->drop_matcher[domain][mtrmng->max_mtr_bits - 1];
/* Create drop rule, matching meter_id only. */
flow_dv_match_meta_reg(matcher_para.buf, value.buf,
(enum modify_reg)mtr_id_reg_c,
(mtr_idx << mtr_id_offset), UINT32_MAX);
i = 0;
cnt = flow_dv_counter_get_by_idx(dev,
fm->drop_cnt, NULL);
actions[i++] = cnt->action;
actions[i++] = priv->sh->dr_drop_action;
misc_mask = flow_dv_matcher_enable(value.buf);
__flow_dv_adjust_buf_size(&value.size, misc_mask);
ret = mlx5_flow_os_create_flow(drop_matcher->matcher_object,
(void *)&value, i, actions,
&fm->drop_rule[domain]);
if (ret) {
DRV_LOG(ERR, "Failed to create meter "
"drop rule for drop table.");
goto policy_error;
}
}
return 0;
policy_error:
for (i = 0; i < MLX5_MTR_DOMAIN_MAX; i++) {
if (fm->drop_rule[i]) {
claim_zero(mlx5_flow_os_destroy_flow
(fm->drop_rule[i]));
fm->drop_rule[i] = NULL;
}
}
return -1;
}
static struct mlx5_flow_meter_sub_policy *
__flow_dv_meter_get_rss_sub_policy(struct rte_eth_dev *dev,
struct mlx5_flow_meter_policy *mtr_policy,
struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS],
struct mlx5_flow_meter_sub_policy *next_sub_policy,
bool *is_reuse)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_meter_sub_policy *sub_policy = NULL;
uint32_t sub_policy_idx = 0;
uint32_t hrxq_idx[MLX5_MTR_RTE_COLORS] = {0};
uint32_t i, j;
struct mlx5_hrxq *hrxq;
struct mlx5_flow_handle dh;
struct mlx5_meter_policy_action_container *act_cnt;
uint32_t domain = MLX5_MTR_DOMAIN_INGRESS;
uint16_t sub_policy_num;
struct mlx5_flow_workspace *wks = mlx5_flow_get_thread_workspace();
MLX5_ASSERT(wks);
rte_spinlock_lock(&mtr_policy->sl);
for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) {
if (!rss_desc[i])
continue;
hrxq_idx[i] = mlx5_hrxq_get(dev, rss_desc[i]);
if (!hrxq_idx[i]) {
rte_spinlock_unlock(&mtr_policy->sl);
return NULL;
}
}
sub_policy_num = (mtr_policy->sub_policy_num >>
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * domain)) &
MLX5_MTR_SUB_POLICY_NUM_MASK;
for (j = 0; j < sub_policy_num; j++) {
for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) {
if (rss_desc[i] &&
hrxq_idx[i] !=
mtr_policy->sub_policys[domain][j]->rix_hrxq[i])
break;
}
if (i >= MLX5_MTR_RTE_COLORS) {
/*
* Found the sub policy table with
* the same queue per color.
*/
rte_spinlock_unlock(&mtr_policy->sl);
for (i = 0; i < MLX5_MTR_RTE_COLORS; i++)
mlx5_hrxq_release(dev, hrxq_idx[i]);
*is_reuse = true;
return mtr_policy->sub_policys[domain][j];
}
}
/* Create sub policy. */
if (!mtr_policy->sub_policys[domain][0]->rix_hrxq[0]) {
/* Reuse the first pre-allocated sub_policy. */
sub_policy = mtr_policy->sub_policys[domain][0];
sub_policy_idx = sub_policy->idx;
} else {
sub_policy = mlx5_ipool_zmalloc
(priv->sh->ipool[MLX5_IPOOL_MTR_POLICY],
&sub_policy_idx);
if (!sub_policy ||
sub_policy_idx > MLX5_MAX_SUB_POLICY_TBL_NUM) {
for (i = 0; i < MLX5_MTR_RTE_COLORS; i++)
mlx5_hrxq_release(dev, hrxq_idx[i]);
goto rss_sub_policy_error;
}
sub_policy->idx = sub_policy_idx;
sub_policy->main_policy = mtr_policy;
}
for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) {
if (!rss_desc[i])
continue;
sub_policy->rix_hrxq[i] = hrxq_idx[i];
if (mtr_policy->is_hierarchy) {
act_cnt = &mtr_policy->act_cnt[i];
act_cnt->next_sub_policy = next_sub_policy;
mlx5_hrxq_release(dev, hrxq_idx[i]);
} else {
/*
* Overwrite the last action from
* RSS action to Queue action.
*/
hrxq = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_HRXQ],
hrxq_idx[i]);
if (!hrxq) {
DRV_LOG(ERR, "Failed to get policy hrxq");
goto rss_sub_policy_error;
}
act_cnt = &mtr_policy->act_cnt[i];
if (act_cnt->rix_mark || act_cnt->modify_hdr) {
memset(&dh, 0, sizeof(struct mlx5_flow_handle));
if (act_cnt->rix_mark)
wks->mark = 1;
dh.fate_action = MLX5_FLOW_FATE_QUEUE;
dh.rix_hrxq = hrxq_idx[i];
flow_drv_rxq_flags_set(dev, &dh);
}
}
}
if (__flow_dv_create_policy_acts_rules(dev, mtr_policy,
sub_policy, domain)) {
DRV_LOG(ERR, "Failed to create policy "
"rules for ingress domain.");
goto rss_sub_policy_error;
}
if (sub_policy != mtr_policy->sub_policys[domain][0]) {
i = (mtr_policy->sub_policy_num >>
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * domain)) &
MLX5_MTR_SUB_POLICY_NUM_MASK;
if (i >= MLX5_MTR_RSS_MAX_SUB_POLICY) {
DRV_LOG(ERR, "No free sub-policy slot.");
goto rss_sub_policy_error;
}
mtr_policy->sub_policys[domain][i] = sub_policy;
i++;
mtr_policy->sub_policy_num &= ~(MLX5_MTR_SUB_POLICY_NUM_MASK <<
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * domain));
mtr_policy->sub_policy_num |=
(i & MLX5_MTR_SUB_POLICY_NUM_MASK) <<
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * domain);
}
rte_spinlock_unlock(&mtr_policy->sl);
*is_reuse = false;
return sub_policy;
rss_sub_policy_error:
if (sub_policy) {
__flow_dv_destroy_sub_policy_rules(dev, sub_policy);
if (sub_policy != mtr_policy->sub_policys[domain][0]) {
i = (mtr_policy->sub_policy_num >>
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * domain)) &
MLX5_MTR_SUB_POLICY_NUM_MASK;
mtr_policy->sub_policys[domain][i] = NULL;
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MTR_POLICY],
sub_policy->idx);
}
}
rte_spinlock_unlock(&mtr_policy->sl);
return NULL;
}
/**
* Find the policy table for prefix table with RSS.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] mtr_policy
* Pointer to meter policy table.
* @param[in] rss_desc
* Pointer to rss_desc
* @return
* Pointer to table set on success, NULL otherwise and rte_errno is set.
*/
static struct mlx5_flow_meter_sub_policy *
flow_dv_meter_sub_policy_rss_prepare(struct rte_eth_dev *dev,
struct mlx5_flow_meter_policy *mtr_policy,
struct mlx5_flow_rss_desc *rss_desc[MLX5_MTR_RTE_COLORS])
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_meter_sub_policy *sub_policy = NULL;
struct mlx5_flow_meter_info *next_fm;
struct mlx5_flow_meter_policy *next_policy;
struct mlx5_flow_meter_sub_policy *next_sub_policy = NULL;
struct mlx5_flow_meter_policy *policies[MLX5_MTR_CHAIN_MAX_NUM];
struct mlx5_flow_meter_sub_policy *sub_policies[MLX5_MTR_CHAIN_MAX_NUM];
uint32_t domain = MLX5_MTR_DOMAIN_INGRESS;
bool reuse_sub_policy;
uint32_t i = 0;
uint32_t j = 0;
while (true) {
/* Iterate hierarchy to get all policies in this hierarchy. */
policies[i++] = mtr_policy;
if (!mtr_policy->is_hierarchy)
break;
if (i >= MLX5_MTR_CHAIN_MAX_NUM) {
DRV_LOG(ERR, "Exceed max meter number in hierarchy.");
return NULL;
}
next_fm = mlx5_flow_meter_find(priv,
mtr_policy->act_cnt[RTE_COLOR_GREEN].next_mtr_id, NULL);
if (!next_fm) {
DRV_LOG(ERR, "Failed to get next meter in hierarchy.");
return NULL;
}
next_policy =
mlx5_flow_meter_policy_find(dev, next_fm->policy_id,
NULL);
MLX5_ASSERT(next_policy);
mtr_policy = next_policy;
}
while (i) {
/**
* From last policy to the first one in hierarchy,
* create / get the sub policy for each of them.
*/
sub_policy = __flow_dv_meter_get_rss_sub_policy(dev,
policies[--i],
rss_desc,
next_sub_policy,
&reuse_sub_policy);
if (!sub_policy) {
DRV_LOG(ERR, "Failed to get the sub policy.");
goto err_exit;
}
if (!reuse_sub_policy)
sub_policies[j++] = sub_policy;
next_sub_policy = sub_policy;
}
return sub_policy;
err_exit:
while (j) {
uint16_t sub_policy_num;
sub_policy = sub_policies[--j];
mtr_policy = sub_policy->main_policy;
__flow_dv_destroy_sub_policy_rules(dev, sub_policy);
if (sub_policy != mtr_policy->sub_policys[domain][0]) {
sub_policy_num = (mtr_policy->sub_policy_num >>
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * domain)) &
MLX5_MTR_SUB_POLICY_NUM_MASK;
mtr_policy->sub_policys[domain][sub_policy_num - 1] =
NULL;
sub_policy_num--;
mtr_policy->sub_policy_num &=
~(MLX5_MTR_SUB_POLICY_NUM_MASK <<
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * i));
mtr_policy->sub_policy_num |=
(sub_policy_num & MLX5_MTR_SUB_POLICY_NUM_MASK) <<
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * i);
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_MTR_POLICY],
sub_policy->idx);
}
}
return NULL;
}
/**
* Create the sub policy tag rule for all meters in hierarchy.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] fm
* Meter information table.
* @param[in] src_port
* The src port this extra rule should use.
* @param[in] item
* The src port match item.
* @param[out] error
* Perform verbose error reporting if not NULL.
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_meter_hierarchy_rule_create(struct rte_eth_dev *dev,
struct mlx5_flow_meter_info *fm,
int32_t src_port,
const struct rte_flow_item *item,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_meter_policy *mtr_policy;
struct mlx5_flow_meter_sub_policy *sub_policy;
struct mlx5_flow_meter_info *next_fm = NULL;
struct mlx5_flow_meter_policy *next_policy;
struct mlx5_flow_meter_sub_policy *next_sub_policy;
struct mlx5_flow_tbl_data_entry *tbl_data;
struct mlx5_sub_policy_color_rule *color_rule;
struct mlx5_meter_policy_acts acts;
uint32_t color_reg_c_idx;
bool mtr_first = (src_port != UINT16_MAX) ? true : false;
struct rte_flow_attr attr = {
.group = MLX5_FLOW_TABLE_LEVEL_POLICY,
.priority = 0,
.ingress = 0,
.egress = 0,
.transfer = 1,
.reserved = 0,
};
uint32_t domain = MLX5_MTR_DOMAIN_TRANSFER;
int i;
mtr_policy = mlx5_flow_meter_policy_find(dev, fm->policy_id, NULL);
MLX5_ASSERT(mtr_policy);
if (!mtr_policy->is_hierarchy)
return 0;
next_fm = mlx5_flow_meter_find(priv,
mtr_policy->act_cnt[RTE_COLOR_GREEN].next_mtr_id, NULL);
if (!next_fm) {
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Failed to find next meter in hierarchy.");
}
if (!next_fm->drop_cnt)
goto exit;
color_reg_c_idx = mlx5_flow_get_reg_id(dev, MLX5_MTR_COLOR, 0, error);
sub_policy = mtr_policy->sub_policys[domain][0];
for (i = 0; i < RTE_COLORS; i++) {
bool rule_exist = false;
struct mlx5_meter_policy_action_container *act_cnt;
if (i >= RTE_COLOR_YELLOW)
break;
TAILQ_FOREACH(color_rule,
&sub_policy->color_rules[i], next_port)
if (color_rule->src_port == src_port) {
rule_exist = true;
break;
}
if (rule_exist)
continue;
color_rule = mlx5_malloc(MLX5_MEM_ZERO,
sizeof(struct mlx5_sub_policy_color_rule),
0, SOCKET_ID_ANY);
if (!color_rule)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL, "No memory to create tag color rule.");
color_rule->src_port = src_port;
attr.priority = i;
next_policy = mlx5_flow_meter_policy_find(dev,
next_fm->policy_id, NULL);
MLX5_ASSERT(next_policy);
next_sub_policy = next_policy->sub_policys[domain][0];
tbl_data = container_of(next_sub_policy->tbl_rsc,
struct mlx5_flow_tbl_data_entry, tbl);
act_cnt = &mtr_policy->act_cnt[i];
if (mtr_first) {
acts.dv_actions[0] = next_fm->meter_action;
acts.dv_actions[1] = act_cnt->modify_hdr->action;
} else {
acts.dv_actions[0] = act_cnt->modify_hdr->action;
acts.dv_actions[1] = next_fm->meter_action;
}
acts.dv_actions[2] = tbl_data->jump.action;
acts.actions_n = 3;
if (mlx5_flow_meter_attach(priv, next_fm, &attr, error)) {
next_fm = NULL;
goto err_exit;
}
if (__flow_dv_create_policy_matcher(dev, color_reg_c_idx,
MLX5_MTR_POLICY_MATCHER_PRIO, sub_policy,
&attr, true, item,
&color_rule->matcher, error)) {
rte_flow_error_set(error, errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"Failed to create hierarchy meter matcher.");
goto err_exit;
}
if (__flow_dv_create_policy_flow(dev, color_reg_c_idx,
(enum rte_color)i,
color_rule->matcher->matcher_object,
acts.actions_n, acts.dv_actions,
true, item,
&color_rule->rule, &attr)) {
rte_flow_error_set(error, errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"Failed to create hierarchy meter rule.");
goto err_exit;
}
TAILQ_INSERT_TAIL(&sub_policy->color_rules[i],
color_rule, next_port);
}
exit:
/**
* Recursive call to iterate all meters in hierarchy and
* create needed rules.
*/
return flow_dv_meter_hierarchy_rule_create(dev, next_fm,
src_port, item, error);
err_exit:
if (color_rule) {
if (color_rule->rule)
mlx5_flow_os_destroy_flow(color_rule->rule);
if (color_rule->matcher) {
struct mlx5_flow_tbl_data_entry *tbl =
container_of(color_rule->matcher->tbl,
typeof(*tbl), tbl);
mlx5_list_unregister(tbl->matchers,
&color_rule->matcher->entry);
}
mlx5_free(color_rule);
}
if (next_fm)
mlx5_flow_meter_detach(priv, next_fm);
return -rte_errno;
}
/**
* Destroy the sub policy table with RX queue.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] mtr_policy
* Pointer to meter policy table.
*/
static void
flow_dv_destroy_sub_policy_with_rxq(struct rte_eth_dev *dev,
struct mlx5_flow_meter_policy *mtr_policy)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_meter_sub_policy *sub_policy = NULL;
uint32_t domain = MLX5_MTR_DOMAIN_INGRESS;
uint32_t i, j;
uint16_t sub_policy_num, new_policy_num;
rte_spinlock_lock(&mtr_policy->sl);
for (i = 0; i < MLX5_MTR_RTE_COLORS; i++) {
switch (mtr_policy->act_cnt[i].fate_action) {
case MLX5_FLOW_FATE_SHARED_RSS:
sub_policy_num = (mtr_policy->sub_policy_num >>
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * domain)) &
MLX5_MTR_SUB_POLICY_NUM_MASK;
new_policy_num = sub_policy_num;
for (j = 0; j < sub_policy_num; j++) {
sub_policy =
mtr_policy->sub_policys[domain][j];
if (sub_policy) {
__flow_dv_destroy_sub_policy_rules(dev,
sub_policy);
if (sub_policy !=
mtr_policy->sub_policys[domain][0]) {
mtr_policy->sub_policys[domain][j] =
NULL;
mlx5_ipool_free
(priv->sh->ipool[MLX5_IPOOL_MTR_POLICY],
sub_policy->idx);
new_policy_num--;
}
}
}
if (new_policy_num != sub_policy_num) {
mtr_policy->sub_policy_num &=
~(MLX5_MTR_SUB_POLICY_NUM_MASK <<
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * domain));
mtr_policy->sub_policy_num |=
(new_policy_num &
MLX5_MTR_SUB_POLICY_NUM_MASK) <<
(MLX5_MTR_SUB_POLICY_NUM_SHIFT * domain);
}
break;
case MLX5_FLOW_FATE_QUEUE:
sub_policy = mtr_policy->sub_policys[domain][0];
__flow_dv_destroy_sub_policy_rules(dev,
sub_policy);
break;
default:
/*Other actions without queue and do nothing*/
break;
}
}
rte_spinlock_unlock(&mtr_policy->sl);
}
/**
* Check whether the DR drop action is supported on the root table or not.
*
* Create a simple flow with DR drop action on root table to validate
* if DR drop action on root table is supported or not.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
mlx5_flow_discover_dr_action_support(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
struct mlx5_flow_dv_match_params mask = {
.size = sizeof(mask.buf),
};
struct mlx5_flow_dv_match_params value = {
.size = sizeof(value.buf),
};
struct mlx5dv_flow_matcher_attr dv_attr = {
.type = IBV_FLOW_ATTR_NORMAL,
.priority = 0,
.match_criteria_enable = 0,
.match_mask = (void *)&mask,
};
struct mlx5_flow_tbl_resource *tbl = NULL;
void *matcher = NULL;
void *flow = NULL;
int ret = -1;
tbl = flow_dv_tbl_resource_get(dev, 0, 0, 0, false, NULL,
0, 0, 0, NULL);
if (!tbl)
goto err;
dv_attr.match_criteria_enable = flow_dv_matcher_enable(mask.buf);
__flow_dv_adjust_buf_size(&mask.size, dv_attr.match_criteria_enable);
ret = mlx5_flow_os_create_flow_matcher(sh->cdev->ctx, &dv_attr,
tbl->obj, &matcher);
if (ret)
goto err;
__flow_dv_adjust_buf_size(&value.size, dv_attr.match_criteria_enable);
ret = mlx5_flow_os_create_flow(matcher, (void *)&value, 1,
&sh->dr_drop_action, &flow);
err:
/*
* If DR drop action is not supported on root table, flow create will
* be failed with EOPNOTSUPP or EPROTONOSUPPORT.
*/
if (!flow) {
if (matcher &&
(errno == EPROTONOSUPPORT || errno == EOPNOTSUPP))
DRV_LOG(INFO, "DR drop action is not supported in root table.");
else
DRV_LOG(ERR, "Unexpected error in DR drop action support detection");
ret = -1;
} else {
claim_zero(mlx5_flow_os_destroy_flow(flow));
}
if (matcher)
claim_zero(mlx5_flow_os_destroy_flow_matcher(matcher));
if (tbl)
flow_dv_tbl_resource_release(MLX5_SH(dev), tbl);
return ret;
}
/**
* Validate the batch counter support in root table.
*
* Create a simple flow with invalid counter and drop action on root table to
* validate if batch counter with offset on root table is supported or not.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
*
* @return
* 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
mlx5_flow_dv_discover_counter_offset_support(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_ctx_shared *sh = priv->sh;
struct mlx5_flow_dv_match_params mask = {
.size = sizeof(mask.buf),
};
struct mlx5_flow_dv_match_params value = {
.size = sizeof(value.buf),
};
struct mlx5dv_flow_matcher_attr dv_attr = {
.type = IBV_FLOW_ATTR_NORMAL | IBV_FLOW_ATTR_FLAGS_EGRESS,
.priority = 0,
.match_criteria_enable = 0,
.match_mask = (void *)&mask,
};
void *actions[2] = { 0 };
struct mlx5_flow_tbl_resource *tbl = NULL;
struct mlx5_devx_obj *dcs = NULL;
void *matcher = NULL;
void *flow = NULL;
int ret = -1;
tbl = flow_dv_tbl_resource_get(dev, 0, 1, 0, false, NULL,
0, 0, 0, NULL);
if (!tbl)
goto err;
dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->cdev->ctx, 0x4);
if (!dcs)
goto err;
ret = mlx5_flow_os_create_flow_action_count(dcs->obj, UINT16_MAX,
&actions[0]);
if (ret)
goto err;
dv_attr.match_criteria_enable = flow_dv_matcher_enable(mask.buf);
__flow_dv_adjust_buf_size(&mask.size, dv_attr.match_criteria_enable);
ret = mlx5_flow_os_create_flow_matcher(sh->cdev->ctx, &dv_attr,
tbl->obj, &matcher);
if (ret)
goto err;
__flow_dv_adjust_buf_size(&value.size, dv_attr.match_criteria_enable);
ret = mlx5_flow_os_create_flow(matcher, (void *)&value, 1,
actions, &flow);
err:
/*
* If batch counter with offset is not supported, the driver will not
* validate the invalid offset value, flow create should success.
* In this case, it means batch counter is not supported in root table.
*
* Otherwise, if flow create is failed, counter offset is supported.
*/
if (flow) {
DRV_LOG(INFO, "Batch counter is not supported in root "
"table. Switch to fallback mode.");
rte_errno = ENOTSUP;
ret = -rte_errno;
claim_zero(mlx5_flow_os_destroy_flow(flow));
} else {
/* Check matcher to make sure validate fail at flow create. */
if (!matcher || (matcher && errno != EINVAL))
DRV_LOG(ERR, "Unexpected error in counter offset "
"support detection");
ret = 0;
}
if (actions[0])
claim_zero(mlx5_flow_os_destroy_flow_action(actions[0]));
if (matcher)
claim_zero(mlx5_flow_os_destroy_flow_matcher(matcher));
if (tbl)
flow_dv_tbl_resource_release(MLX5_SH(dev), tbl);
if (dcs)
claim_zero(mlx5_devx_cmd_destroy(dcs));
return ret;
}
/**
* Query a devx counter.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] cnt
* Index to the flow counter.
* @param[in] clear
* Set to clear the counter statistics.
* @param[out] pkts
* The statistics value of packets.
* @param[out] bytes
* The statistics value of bytes.
*
* @return
* 0 on success, otherwise return -1.
*/
static int
flow_dv_counter_query(struct rte_eth_dev *dev, uint32_t counter, bool clear,
uint64_t *pkts, uint64_t *bytes)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_counter *cnt;
uint64_t inn_pkts, inn_bytes;
int ret;
if (!priv->sh->devx)
return -1;
ret = _flow_dv_query_count(dev, counter, &inn_pkts, &inn_bytes);
if (ret)
return -1;
cnt = flow_dv_counter_get_by_idx(dev, counter, NULL);
*pkts = inn_pkts - cnt->hits;
*bytes = inn_bytes - cnt->bytes;
if (clear) {
cnt->hits = inn_pkts;
cnt->bytes = inn_bytes;
}
return 0;
}
/**
* Get aged-out flows.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] context
* The address of an array of pointers to the aged-out flows contexts.
* @param[in] nb_contexts
* The length of context array pointers.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* how many contexts get in success, otherwise negative errno value.
* if nb_contexts is 0, return the amount of all aged contexts.
* if nb_contexts is not 0 , return the amount of aged flows reported
* in the context array.
* @note: only stub for now
*/
static int
flow_dv_get_aged_flows(struct rte_eth_dev *dev,
void **context,
uint32_t nb_contexts,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_age_info *age_info;
struct mlx5_age_param *age_param;
struct mlx5_flow_counter *counter;
struct mlx5_aso_age_action *act;
int nb_flows = 0;
if (nb_contexts && !context)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "empty context");
age_info = GET_PORT_AGE_INFO(priv);
rte_spinlock_lock(&age_info->aged_sl);
LIST_FOREACH(act, &age_info->aged_aso, next) {
nb_flows++;
if (nb_contexts) {
context[nb_flows - 1] =
act->age_params.context;
if (!(--nb_contexts))
break;
}
}
TAILQ_FOREACH(counter, &age_info->aged_counters, next) {
nb_flows++;
if (nb_contexts) {
age_param = MLX5_CNT_TO_AGE(counter);
context[nb_flows - 1] = age_param->context;
if (!(--nb_contexts))
break;
}
}
rte_spinlock_unlock(&age_info->aged_sl);
MLX5_AGE_SET(age_info, MLX5_AGE_TRIGGER);
return nb_flows;
}
/*
* Mutex-protected thunk to lock-free flow_dv_counter_alloc().
*/
static uint32_t
flow_dv_counter_allocate(struct rte_eth_dev *dev)
{
return flow_dv_counter_alloc(dev, 0);
}
/**
* Validate indirect action.
* Dispatcher for action type specific validation.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] conf
* Indirect action configuration.
* @param[in] action
* The indirect action object to validate.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value.
*/
static int
flow_dv_action_validate(struct rte_eth_dev *dev,
const struct rte_flow_indir_action_conf *conf,
const struct rte_flow_action *action,
struct rte_flow_error *err)
{
struct mlx5_priv *priv = dev->data->dev_private;
RTE_SET_USED(conf);
switch (action->type) {
case RTE_FLOW_ACTION_TYPE_RSS:
/*
* priv->obj_ops is set according to driver capabilities.
* When DevX capabilities are
* sufficient, it is set to devx_obj_ops.
* Otherwise, it is set to ibv_obj_ops.
* ibv_obj_ops doesn't support ind_table_modify operation.
* In this case the indirect RSS action can't be used.
*/
if (priv->obj_ops.ind_table_modify == NULL)
return rte_flow_error_set
(err, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"Indirect RSS action not supported");
return mlx5_validate_action_rss(dev, action, err);
case RTE_FLOW_ACTION_TYPE_AGE:
if (!priv->sh->aso_age_mng)
return rte_flow_error_set(err, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"Indirect age action not supported");
return flow_dv_validate_action_age(0, action, dev, err);
case RTE_FLOW_ACTION_TYPE_COUNT:
return flow_dv_validate_action_count(dev, true, 0, err);
case RTE_FLOW_ACTION_TYPE_CONNTRACK:
if (!priv->sh->ct_aso_en)
return rte_flow_error_set(err, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"ASO CT is not supported");
return mlx5_validate_action_ct(dev, action->conf, err);
default:
return rte_flow_error_set(err, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"action type not supported");
}
}
/*
* Check if the RSS configurations for colors of a meter policy match
* each other, except the queues.
*
* @param[in] r1
* Pointer to the first RSS flow action.
* @param[in] r2
* Pointer to the second RSS flow action.
*
* @return
* 0 on match, 1 on conflict.
*/
static inline int
flow_dv_mtr_policy_rss_compare(const struct rte_flow_action_rss *r1,
const struct rte_flow_action_rss *r2)
{
if (r1 == NULL || r2 == NULL)
return 0;
if (!(r1->level <= 1 && r2->level <= 1) &&
!(r1->level > 1 && r2->level > 1))
return 1;
if (r1->types != r2->types &&
!((r1->types == 0 || r1->types == RTE_ETH_RSS_IP) &&
(r2->types == 0 || r2->types == RTE_ETH_RSS_IP)))
return 1;
if (r1->key || r2->key) {
const void *key1 = r1->key ? r1->key : rss_hash_default_key;
const void *key2 = r2->key ? r2->key : rss_hash_default_key;
if (memcmp(key1, key2, MLX5_RSS_HASH_KEY_LEN))
return 1;
}
return 0;
}
/**
* Validate the meter hierarchy chain for meter policy.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] meter_id
* Meter id.
* @param[in] action_flags
* Holds the actions detected until now.
* @param[out] is_rss
* Is RSS or not.
* @param[out] hierarchy_domain
* The domain bitmap for hierarchy policy.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value with error set.
*/
static int
flow_dv_validate_policy_mtr_hierarchy(struct rte_eth_dev *dev,
uint32_t meter_id,
uint64_t action_flags,
bool *is_rss,
uint8_t *hierarchy_domain,
struct rte_mtr_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_meter_info *fm;
struct mlx5_flow_meter_policy *policy;
uint8_t cnt = 1;
if (action_flags & (MLX5_FLOW_FATE_ACTIONS |
MLX5_FLOW_FATE_ESWITCH_ACTIONS))
return -rte_mtr_error_set(error, EINVAL,
RTE_MTR_ERROR_TYPE_POLICER_ACTION_GREEN,
NULL,
"Multiple fate actions not supported.");
*hierarchy_domain = 0;
while (true) {
fm = mlx5_flow_meter_find(priv, meter_id, NULL);
if (!fm)
return -rte_mtr_error_set(error, EINVAL,
RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
"Meter not found in meter hierarchy.");
if (fm->def_policy)
return -rte_mtr_error_set(error, EINVAL,
RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
"Non termination meter not supported in hierarchy.");
policy = mlx5_flow_meter_policy_find(dev, fm->policy_id, NULL);
MLX5_ASSERT(policy);
/**
* Only inherit the supported domains of the first meter in
* hierarchy.
* One meter supports at least one domain.
*/
if (!*hierarchy_domain) {
if (policy->transfer)
*hierarchy_domain |=
MLX5_MTR_DOMAIN_TRANSFER_BIT;
if (policy->ingress)
*hierarchy_domain |=
MLX5_MTR_DOMAIN_INGRESS_BIT;
if (policy->egress)
*hierarchy_domain |= MLX5_MTR_DOMAIN_EGRESS_BIT;
}
if (!policy->is_hierarchy) {
*is_rss = policy->is_rss;
break;
}
meter_id = policy->act_cnt[RTE_COLOR_GREEN].next_mtr_id;
if (++cnt >= MLX5_MTR_CHAIN_MAX_NUM)
return -rte_mtr_error_set(error, EINVAL,
RTE_MTR_ERROR_TYPE_METER_POLICY, NULL,
"Exceed max hierarchy meter number.");
}
return 0;
}
/**
* Validate meter policy actions.
* Dispatcher for action type specific validation.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] action
* The meter policy action object to validate.
* @param[in] attr
* Attributes of flow to determine steering domain.
* @param[out] error
* Perform verbose error reporting if not NULL. Initialized in case of
* error only.
*
* @return
* 0 on success, otherwise negative errno value.
*/
static int
flow_dv_validate_mtr_policy_acts(struct rte_eth_dev *dev,
const struct rte_flow_action *actions[RTE_COLORS],
struct rte_flow_attr *attr,
bool *is_rss,
uint8_t *domain_bitmap,
uint8_t *policy_mode,
struct rte_mtr_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *dev_conf = &priv->config;
const struct rte_flow_action *act;
uint64_t action_flags[RTE_COLORS] = {0};
int actions_n;
int i, ret;
struct rte_flow_error flow_err;
uint8_t domain_color[RTE_COLORS] = {0};
uint8_t def_domain = MLX5_MTR_ALL_DOMAIN_BIT;
uint8_t hierarchy_domain = 0;
const struct rte_flow_action_meter *mtr;
bool def_green = false;
bool def_yellow = false;
const struct rte_flow_action_rss *rss_color[RTE_COLORS] = {NULL};
if (!priv->config.dv_esw_en)
def_domain &= ~MLX5_MTR_DOMAIN_TRANSFER_BIT;
*domain_bitmap = def_domain;
/* Red color could only support DROP action. */
if (!actions[RTE_COLOR_RED] ||
actions[RTE_COLOR_RED]->type != RTE_FLOW_ACTION_TYPE_DROP)
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "Red color only supports drop action.");
/*
* Check default policy actions:
* Green / Yellow: no action, Red: drop action
* Either G or Y will trigger default policy actions to be created.
*/
if (!actions[RTE_COLOR_GREEN] ||
actions[RTE_COLOR_GREEN]->type == RTE_FLOW_ACTION_TYPE_END)
def_green = true;
if (!actions[RTE_COLOR_YELLOW] ||
actions[RTE_COLOR_YELLOW]->type == RTE_FLOW_ACTION_TYPE_END)
def_yellow = true;
if (def_green && def_yellow) {
*policy_mode = MLX5_MTR_POLICY_MODE_DEF;
return 0;
} else if (!def_green && def_yellow) {
*policy_mode = MLX5_MTR_POLICY_MODE_OG;
} else if (def_green && !def_yellow) {
*policy_mode = MLX5_MTR_POLICY_MODE_OY;
} else {
*policy_mode = MLX5_MTR_POLICY_MODE_ALL;
}
/* Set to empty string in case of NULL pointer access by user. */
flow_err.message = "";
for (i = 0; i < RTE_COLORS; i++) {
act = actions[i];
for (action_flags[i] = 0, actions_n = 0;
act && act->type != RTE_FLOW_ACTION_TYPE_END;
act++) {
if (actions_n == MLX5_DV_MAX_NUMBER_OF_ACTIONS)
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "too many actions");
switch (act->type) {
case RTE_FLOW_ACTION_TYPE_PORT_ID:
case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT:
if (!priv->config.dv_esw_en)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "PORT action validate check"
" fail for ESW disable");
ret = flow_dv_validate_action_port_id(dev,
action_flags[i],
act, attr, &flow_err);
if (ret)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, flow_err.message ?
flow_err.message :
"PORT action validate check fail");
++actions_n;
action_flags[i] |= MLX5_FLOW_ACTION_PORT_ID;
break;
case RTE_FLOW_ACTION_TYPE_MARK:
ret = flow_dv_validate_action_mark(dev, act,
action_flags[i],
attr, &flow_err);
if (ret < 0)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, flow_err.message ?
flow_err.message :
"Mark action validate check fail");
if (dev_conf->dv_xmeta_en !=
MLX5_XMETA_MODE_LEGACY)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "Extend MARK action is "
"not supported. Please try use "
"default policy for meter.");
action_flags[i] |= MLX5_FLOW_ACTION_MARK;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_SET_TAG:
ret = flow_dv_validate_action_set_tag(dev,
act, action_flags[i],
attr, &flow_err);
if (ret)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, flow_err.message ?
flow_err.message :
"Set tag action validate check fail");
action_flags[i] |= MLX5_FLOW_ACTION_SET_TAG;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_DROP:
ret = mlx5_flow_validate_action_drop
(action_flags[i], attr, &flow_err);
if (ret < 0)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, flow_err.message ?
flow_err.message :
"Drop action validate check fail");
action_flags[i] |= MLX5_FLOW_ACTION_DROP;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_QUEUE:
/*
* Check whether extensive
* metadata feature is engaged.
*/
if (dev_conf->dv_flow_en &&
(dev_conf->dv_xmeta_en !=
MLX5_XMETA_MODE_LEGACY) &&
mlx5_flow_ext_mreg_supported(dev))
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "Queue action with meta "
"is not supported. Please try use "
"default policy for meter.");
ret = mlx5_flow_validate_action_queue(act,
action_flags[i], dev,
attr, &flow_err);
if (ret < 0)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, flow_err.message ?
flow_err.message :
"Queue action validate check fail");
action_flags[i] |= MLX5_FLOW_ACTION_QUEUE;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_RSS:
if (dev_conf->dv_flow_en &&
(dev_conf->dv_xmeta_en !=
MLX5_XMETA_MODE_LEGACY) &&
mlx5_flow_ext_mreg_supported(dev))
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "RSS action with meta "
"is not supported. Please try use "
"default policy for meter.");
ret = mlx5_validate_action_rss(dev, act,
&flow_err);
if (ret < 0)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, flow_err.message ?
flow_err.message :
"RSS action validate check fail");
action_flags[i] |= MLX5_FLOW_ACTION_RSS;
++actions_n;
/* Either G or Y will set the RSS. */
rss_color[i] = act->conf;
break;
case RTE_FLOW_ACTION_TYPE_JUMP:
ret = flow_dv_validate_action_jump(dev,
NULL, act, action_flags[i],
attr, true, &flow_err);
if (ret)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, flow_err.message ?
flow_err.message :
"Jump action validate check fail");
++actions_n;
action_flags[i] |= MLX5_FLOW_ACTION_JUMP;
break;
/*
* Only the last meter in the hierarchy will support
* the YELLOW color steering. Then in the meter policy
* actions list, there should be no other meter inside.
*/
case RTE_FLOW_ACTION_TYPE_METER:
if (i != RTE_COLOR_GREEN)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"Meter hierarchy only supports GREEN color.");
if (*policy_mode != MLX5_MTR_POLICY_MODE_OG)
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"No yellow policy should be provided in meter hierarchy.");
mtr = act->conf;
ret = flow_dv_validate_policy_mtr_hierarchy(dev,
mtr->mtr_id,
action_flags[i],
is_rss,
&hierarchy_domain,
error);
if (ret)
return ret;
++actions_n;
action_flags[i] |=
MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY;
break;
default:
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"Doesn't support optional action");
}
}
if (action_flags[i] & MLX5_FLOW_ACTION_PORT_ID) {
domain_color[i] = MLX5_MTR_DOMAIN_TRANSFER_BIT;
} else if ((action_flags[i] &
(MLX5_FLOW_ACTION_RSS | MLX5_FLOW_ACTION_QUEUE)) ||
(action_flags[i] & MLX5_FLOW_ACTION_MARK)) {
/*
* Only support MLX5_XMETA_MODE_LEGACY
* so MARK action is only in ingress domain.
*/
domain_color[i] = MLX5_MTR_DOMAIN_INGRESS_BIT;
} else {
domain_color[i] = def_domain;
if (action_flags[i] &&
!(action_flags[i] & MLX5_FLOW_FATE_ESWITCH_ACTIONS))
domain_color[i] &=
~MLX5_MTR_DOMAIN_TRANSFER_BIT;
}
if (action_flags[i] &
MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY)
domain_color[i] &= hierarchy_domain;
/*
* Non-termination actions only support NIC Tx domain.
* The adjustion should be skipped when there is no
* action or only END is provided. The default domains
* bit-mask is set to find the MIN intersection.
* The action flags checking should also be skipped.
*/
if ((def_green && i == RTE_COLOR_GREEN) ||
(def_yellow && i == RTE_COLOR_YELLOW))
continue;
/*
* Validate the drop action mutual exclusion
* with other actions. Drop action is mutually-exclusive
* with any other action, except for Count action.
*/
if ((action_flags[i] & MLX5_FLOW_ACTION_DROP) &&
(action_flags[i] & ~MLX5_FLOW_ACTION_DROP)) {
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "Drop action is mutually-exclusive "
"with any other action");
}
/* Eswitch has few restrictions on using items and actions */
if (domain_color[i] & MLX5_MTR_DOMAIN_TRANSFER_BIT) {
if (!mlx5_flow_ext_mreg_supported(dev) &&
action_flags[i] & MLX5_FLOW_ACTION_MARK)
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "unsupported action MARK");
if (action_flags[i] & MLX5_FLOW_ACTION_QUEUE)
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "unsupported action QUEUE");
if (action_flags[i] & MLX5_FLOW_ACTION_RSS)
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "unsupported action RSS");
if (!(action_flags[i] & MLX5_FLOW_FATE_ESWITCH_ACTIONS))
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "no fate action is found");
} else {
if (!(action_flags[i] & MLX5_FLOW_FATE_ACTIONS) &&
(domain_color[i] & MLX5_MTR_DOMAIN_INGRESS_BIT)) {
if ((domain_color[i] &
MLX5_MTR_DOMAIN_EGRESS_BIT))
domain_color[i] =
MLX5_MTR_DOMAIN_EGRESS_BIT;
else
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL,
"no fate action is found");
}
}
}
/* If both colors have RSS, the attributes should be the same. */
if (flow_dv_mtr_policy_rss_compare(rss_color[RTE_COLOR_GREEN],
rss_color[RTE_COLOR_YELLOW]))
return -rte_mtr_error_set(error, EINVAL,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "policy RSS attr conflict");
if (rss_color[RTE_COLOR_GREEN] || rss_color[RTE_COLOR_YELLOW])
*is_rss = true;
/* "domain_color[C]" is non-zero for each color, default is ALL. */
if (!def_green && !def_yellow &&
domain_color[RTE_COLOR_GREEN] != domain_color[RTE_COLOR_YELLOW] &&
!(action_flags[RTE_COLOR_GREEN] & MLX5_FLOW_ACTION_DROP) &&
!(action_flags[RTE_COLOR_YELLOW] & MLX5_FLOW_ACTION_DROP))
return -rte_mtr_error_set(error, EINVAL,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "policy domains conflict");
/*
* At least one color policy is listed in the actions, the domains
* to be supported should be the intersection.
*/
*domain_bitmap = domain_color[RTE_COLOR_GREEN] &
domain_color[RTE_COLOR_YELLOW];
return 0;
}
static int
flow_dv_sync_domain(struct rte_eth_dev *dev, uint32_t domains, uint32_t flags)
{
struct mlx5_priv *priv = dev->data->dev_private;
int ret = 0;
if ((domains & MLX5_DOMAIN_BIT_NIC_RX) && priv->sh->rx_domain != NULL) {
ret = mlx5_os_flow_dr_sync_domain(priv->sh->rx_domain,
flags);
if (ret != 0)
return ret;
}
if ((domains & MLX5_DOMAIN_BIT_NIC_TX) && priv->sh->tx_domain != NULL) {
ret = mlx5_os_flow_dr_sync_domain(priv->sh->tx_domain, flags);
if (ret != 0)
return ret;
}
if ((domains & MLX5_DOMAIN_BIT_FDB) && priv->sh->fdb_domain != NULL) {
ret = mlx5_os_flow_dr_sync_domain(priv->sh->fdb_domain, flags);
if (ret != 0)
return ret;
}
return 0;
}
/**
* Discover the number of available flow priorities
* by trying to create a flow with the highest priority value
* for each possible number.
*
* @param[in] dev
* Ethernet device.
* @param[in] vprio
* List of possible number of available priorities.
* @param[in] vprio_n
* Size of @p vprio array.
* @return
* On success, number of available flow priorities.
* On failure, a negative errno-style code and rte_errno is set.
*/
static int
flow_dv_discover_priorities(struct rte_eth_dev *dev,
const uint16_t *vprio, int vprio_n)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_indexed_pool *pool = priv->sh->ipool[MLX5_IPOOL_MLX5_FLOW];
struct rte_flow_item_eth eth;
struct rte_flow_item item = {
.type = RTE_FLOW_ITEM_TYPE_ETH,
.spec = &eth,
.mask = &eth,
};
struct mlx5_flow_dv_matcher matcher = {
.mask = {
.size = sizeof(matcher.mask.buf),
},
};
union mlx5_flow_tbl_key tbl_key;
struct mlx5_flow flow;
void *action;
struct rte_flow_error error;
uint8_t misc_mask;
int i, err, ret = -ENOTSUP;
/*
* Prepare a flow with a catch-all pattern and a drop action.
* Use drop queue, because shared drop action may be unavailable.
*/
action = priv->drop_queue.hrxq->action;
if (action == NULL) {
DRV_LOG(ERR, "Priority discovery requires a drop action");
rte_errno = ENOTSUP;
return -rte_errno;
}
memset(&flow, 0, sizeof(flow));
flow.handle = mlx5_ipool_zmalloc(pool, &flow.handle_idx);
if (flow.handle == NULL) {
DRV_LOG(ERR, "Cannot create flow handle");
rte_errno = ENOMEM;
return -rte_errno;
}
flow.ingress = true;
flow.dv.value.size = MLX5_ST_SZ_BYTES(fte_match_param);
flow.dv.actions[0] = action;
flow.dv.actions_n = 1;
memset(&eth, 0, sizeof(eth));
flow_dv_translate_item_eth(matcher.mask.buf, flow.dv.value.buf,
&item, /* inner */ false, /* group */ 0);
matcher.crc = rte_raw_cksum(matcher.mask.buf, matcher.mask.size);
for (i = 0; i < vprio_n; i++) {
/* Configure the next proposed maximum priority. */
matcher.priority = vprio[i] - 1;
memset(&tbl_key, 0, sizeof(tbl_key));
err = flow_dv_matcher_register(dev, &matcher, &tbl_key, &flow,
/* tunnel */ NULL,
/* group */ 0,
&error);
if (err != 0) {
/* This action is pure SW and must always succeed. */
DRV_LOG(ERR, "Cannot register matcher");
ret = -rte_errno;
break;
}
/* Try to apply the flow to HW. */
misc_mask = flow_dv_matcher_enable(flow.dv.value.buf);
__flow_dv_adjust_buf_size(&flow.dv.value.size, misc_mask);
err = mlx5_flow_os_create_flow
(flow.handle->dvh.matcher->matcher_object,
(void *)&flow.dv.value, flow.dv.actions_n,
flow.dv.actions, &flow.handle->drv_flow);
if (err == 0) {
claim_zero(mlx5_flow_os_destroy_flow
(flow.handle->drv_flow));
flow.handle->drv_flow = NULL;
}
claim_zero(flow_dv_matcher_release(dev, flow.handle));
if (err != 0)
break;
ret = vprio[i];
}
mlx5_ipool_free(pool, flow.handle_idx);
/* Set rte_errno if no expected priority value matched. */
if (ret < 0)
rte_errno = -ret;
return ret;
}
const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops = {
.validate = flow_dv_validate,
.prepare = flow_dv_prepare,
.translate = flow_dv_translate,
.apply = flow_dv_apply,
.remove = flow_dv_remove,
.destroy = flow_dv_destroy,
.query = flow_dv_query,
.create_mtr_tbls = flow_dv_create_mtr_tbls,
.destroy_mtr_tbls = flow_dv_destroy_mtr_tbls,
.destroy_mtr_drop_tbls = flow_dv_destroy_mtr_drop_tbls,
.create_meter = flow_dv_mtr_alloc,
.free_meter = flow_dv_aso_mtr_release_to_pool,
.validate_mtr_acts = flow_dv_validate_mtr_policy_acts,
.create_mtr_acts = flow_dv_create_mtr_policy_acts,
.destroy_mtr_acts = flow_dv_destroy_mtr_policy_acts,
.create_policy_rules = flow_dv_create_policy_rules,
.destroy_policy_rules = flow_dv_destroy_policy_rules,
.create_def_policy = flow_dv_create_def_policy,
.destroy_def_policy = flow_dv_destroy_def_policy,
.meter_sub_policy_rss_prepare = flow_dv_meter_sub_policy_rss_prepare,
.meter_hierarchy_rule_create = flow_dv_meter_hierarchy_rule_create,
.destroy_sub_policy_with_rxq = flow_dv_destroy_sub_policy_with_rxq,
.counter_alloc = flow_dv_counter_allocate,
.counter_free = flow_dv_counter_free,
.counter_query = flow_dv_counter_query,
.get_aged_flows = flow_dv_get_aged_flows,
.action_validate = flow_dv_action_validate,
.action_create = flow_dv_action_create,
.action_destroy = flow_dv_action_destroy,
.action_update = flow_dv_action_update,
.action_query = flow_dv_action_query,
.sync_domain = flow_dv_sync_domain,
.discover_priorities = flow_dv_discover_priorities,
.item_create = flow_dv_item_create,
.item_release = flow_dv_item_release,
};
#endif /* HAVE_IBV_FLOW_DV_SUPPORT */
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