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numam-dpdk/drivers/net/mlx5/mlx5_flow_dv.c
Suanming Mou f3faf9ea11 net/mlx5: convert port id action to indexed 
This commit converts port id action to indexed.

Using the uint32_t index instead of pointer saves 4 bytes memory for the
flow handle. For millions flows, it will save several MBytes of memory.

Signed-off-by: Suanming Mou <suanmingm@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
2020-04-21 13:57:09 +02:00

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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>
/* Verbs header. */
/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
#ifdef PEDANTIC
#pragma GCC diagnostic ignored "-Wpedantic"
#endif
#include <infiniband/verbs.h>
#ifdef PEDANTIC
#pragma GCC diagnostic error "-Wpedantic"
#endif
#include <rte_common.h>
#include <rte_ether.h>
#include <rte_ethdev_driver.h>
#include <rte_flow.h>
#include <rte_flow_driver.h>
#include <rte_malloc.h>
#include <rte_ip.h>
#include <rte_gre.h>
#include <rte_vxlan.h>
#include <rte_gtp.h>
#include <mlx5_glue.h>
#include <mlx5_devx_cmds.h>
#include <mlx5_prm.h>
#include "mlx5_defs.h"
#include "mlx5.h"
#include "mlx5_flow.h"
#include "mlx5_rxtx.h"
#ifdef HAVE_IBV_FLOW_DV_SUPPORT
#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 rte_eth_dev *dev,
struct mlx5_flow_tbl_resource *tbl);
/**
* 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 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;
}
}
/**
* Acquire the synchronizing object to protect multithreaded access
* to shared dv context. Lock occurs only if context is actually
* shared, i.e. we have multiport IB device and representors are
* created.
*
* @param[in] dev
* Pointer to the rte_eth_dev structure.
*/
static void
flow_dv_shared_lock(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_ibv_shared *sh = priv->sh;
if (sh->dv_refcnt > 1) {
int ret;
ret = pthread_mutex_lock(&sh->dv_mutex);
MLX5_ASSERT(!ret);
(void)ret;
}
}
static void
flow_dv_shared_unlock(struct rte_eth_dev *dev)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_ibv_shared *sh = priv->sh;
if (sh->dv_refcnt > 1) {
int ret;
ret = pthread_mutex_unlock(&sh->dv_mutex);
MLX5_ASSERT(!ret);
(void)ret;
}
}
/* 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;
/*
* 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 {
unsigned int size_b;
unsigned int off_b;
uint32_t mask;
uint32_t data;
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);
size_b = sizeof(uint32_t) * CHAR_BIT -
off_b - __builtin_clz(mask);
MLX5_ASSERT(size_b);
size_b = size_b == sizeof(uint32_t) * CHAR_BIT ? 0 : size_b;
actions[i] = (struct mlx5_modification_cmd) {
.action_type = type,
.field = field->id,
.offset = off_b,
.length = size_b,
};
/* Convert entire record to expected big-endian format. */
actions[i].data0 = rte_cpu_to_be_32(actions[i].data0);
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);
} 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);
}
++i;
++field;
} 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_NONE] = 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_NONE);
MLX5_ASSERT(conf->id < RTE_DIM(reg_to_field));
actions[i] = (struct mlx5_modification_cmd) {
.action_type = MLX5_MODIFICATION_TYPE_SET,
.field = reg_to_field[conf->id],
};
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_NONE);
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 is ignoring the enianness, because
* there is no conversion in datapath.
*/
#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
/* Copy from destination lower bits to reg_c[0]. */
mask = reg_c0 >> reg_dst.offset;
#else
/* Copy from destination upper bits to reg_c[0]. */
mask = reg_c0 << (sizeof(reg_c0) * CHAR_BIT -
rte_fls_u32(reg_c0));
#endif
} else {
mask = rte_cpu_to_be_32(reg_c0);
#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
/* Copy from reg_c[0] to destination lower bits. */
reg_dst.offset = 0;
#else
/* Copy from reg_c[0] to destination upper bits. */
reg_dst.offset = sizeof(reg_c0) * CHAR_BIT -
(rte_fls_u32(reg_c0) -
rte_bsf32(reg_c0));
#endif
}
}
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[] = {
{4, 0, 0}, /* dynamic instead of MLX5_MODI_META_REG_C_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].id = 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 data = conf->data;
uint32_t mask = conf->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;
/*
* In datapath code there is no endianness
* coversions for perfromance reasons, all
* pattern conversions are done in rte_flow.
*/
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;
MLX5_ASSERT(msk_c0);
#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
shl_c0 = rte_bsf32(msk_c0);
#else
shl_c0 = sizeof(msk_c0) * CHAR_BIT - rte_fls_u32(msk_c0);
#endif
mask <<= shl_c0;
data <<= shl_c0;
MLX5_ASSERT(!(~msk_c0 & rte_cpu_to_be_32(mask)));
}
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);
}
/**
* 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),
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_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;
}
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),
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),
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_NONE);
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),
error);
if (ret)
return ret;
if (!spec)
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 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 *mask = item->mask;
const struct rte_flow_item_gtp nic_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;
return mlx5_flow_item_acceptable
(item, (const uint8_t *)mask,
(const uint8_t *)&nic_mask,
sizeof(struct rte_flow_item_gtp),
error);
}
/**
* 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;
(void)action;
(void)attr;
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");
if (attr->egress)
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");
if (!(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_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;
if (!attr->transfer && attr->ingress)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
NULL,
"push VLAN action not supported for "
"ingress");
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_VLAN_ACTIONS)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"no support for multiple VLAN "
"actions");
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");
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 (conf->vlan_vid > RTE_BE16(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;
/* 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)
{
const struct rte_flow_action_set_meta *conf;
uint32_t nic_mask = UINT32_MAX;
int reg;
if (!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_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[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,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
if (!priv->config.devx)
goto notsup_err;
#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] 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_attr *attr,
struct rte_flow_error *error)
{
const struct mlx5_priv *priv = dev->data->dev_private;
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");
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[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, 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, 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;
}
/**
* 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_ibv_shared *sh = priv->sh;
struct mlx5_flow_dv_encap_decap_resource *cache_resource;
struct mlx5dv_dr_domain *domain;
uint32_t idx = 0;
resource->flags = dev_flow->dv.group ? 0 : 1;
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;
/* Lookup a matching resource from cache. */
ILIST_FOREACH(sh->ipool[MLX5_IPOOL_DECAP_ENCAP], sh->encaps_decaps, idx,
cache_resource, next) {
if (resource->reformat_type == cache_resource->reformat_type &&
resource->ft_type == cache_resource->ft_type &&
resource->flags == cache_resource->flags &&
resource->size == cache_resource->size &&
!memcmp((const void *)resource->buf,
(const void *)cache_resource->buf,
resource->size)) {
DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d++",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
rte_atomic32_inc(&cache_resource->refcnt);
dev_flow->handle->dvh.encap_decap = idx;
dev_flow->dv.encap_decap = cache_resource;
return 0;
}
}
/* Register new encap/decap resource. */
cache_resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_DECAP_ENCAP],
&dev_flow->handle->dvh.encap_decap);
if (!cache_resource)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
*cache_resource = *resource;
cache_resource->verbs_action =
mlx5_glue->dv_create_flow_action_packet_reformat
(sh->ctx, cache_resource->reformat_type,
cache_resource->ft_type, domain, cache_resource->flags,
cache_resource->size,
(cache_resource->size ? cache_resource->buf : NULL));
if (!cache_resource->verbs_action) {
rte_free(cache_resource);
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create action");
}
rte_atomic32_init(&cache_resource->refcnt);
rte_atomic32_inc(&cache_resource->refcnt);
ILIST_INSERT(sh->ipool[MLX5_IPOOL_DECAP_ENCAP], &sh->encaps_decaps,
dev_flow->handle->dvh.encap_decap, cache_resource, next);
dev_flow->dv.encap_decap = cache_resource;
DRV_LOG(DEBUG, "new encap/decap resource %p: refcnt %d++",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
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)
{
struct mlx5_flow_tbl_data_entry *tbl_data =
container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
int cnt;
MLX5_ASSERT(tbl);
cnt = rte_atomic32_read(&tbl_data->jump.refcnt);
if (!cnt) {
tbl_data->jump.action =
mlx5_glue->dr_create_flow_action_dest_flow_tbl
(tbl->obj);
if (!tbl_data->jump.action)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create jump action");
DRV_LOG(DEBUG, "new jump table resource %p: refcnt %d++",
(void *)&tbl_data->jump, cnt);
} else {
/* old jump should not make the table ref++. */
flow_dv_tbl_resource_release(dev, &tbl_data->tbl);
MLX5_ASSERT(tbl_data->jump.action);
DRV_LOG(DEBUG, "existed jump table resource %p: refcnt %d++",
(void *)&tbl_data->jump, cnt);
}
rte_atomic32_inc(&tbl_data->jump.refcnt);
dev_flow->handle->dvh.jump = &tbl_data->jump;
return 0;
}
/**
* 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] resource
* Pointer to port ID action 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_port_id_action_resource_register
(struct rte_eth_dev *dev,
struct mlx5_flow_dv_port_id_action_resource *resource,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_ibv_shared *sh = priv->sh;
struct mlx5_flow_dv_port_id_action_resource *cache_resource;
uint32_t idx = 0;
/* Lookup a matching resource from cache. */
ILIST_FOREACH(sh->ipool[MLX5_IPOOL_PORT_ID], sh->port_id_action_list,
idx, cache_resource, next) {
if (resource->port_id == cache_resource->port_id) {
DRV_LOG(DEBUG, "port id action resource resource %p: "
"refcnt %d++",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
rte_atomic32_inc(&cache_resource->refcnt);
dev_flow->handle->dvh.port_id_action = idx;
dev_flow->dv.port_id_action = cache_resource;
return 0;
}
}
/* Register new port id action resource. */
cache_resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_PORT_ID],
&dev_flow->handle->dvh.port_id_action);
if (!cache_resource)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
*cache_resource = *resource;
/*
* Depending on rdma_core version the glue routine calls
* either mlx5dv_dr_action_create_dest_ib_port(domain, ibv_port)
* or mlx5dv_dr_action_create_dest_vport(domain, vport_id).
*/
cache_resource->action =
mlx5_glue->dr_create_flow_action_dest_port
(priv->sh->fdb_domain, resource->port_id);
if (!cache_resource->action) {
rte_free(cache_resource);
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create action");
}
rte_atomic32_init(&cache_resource->refcnt);
rte_atomic32_inc(&cache_resource->refcnt);
ILIST_INSERT(sh->ipool[MLX5_IPOOL_PORT_ID], &sh->port_id_action_list,
dev_flow->handle->dvh.port_id_action, cache_resource,
next);
dev_flow->dv.port_id_action = cache_resource;
DRV_LOG(DEBUG, "new port id action resource %p: refcnt %d++",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
return 0;
}
/**
* 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] resource
* Pointer to port ID action 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_push_vlan_action_resource_register
(struct rte_eth_dev *dev,
struct mlx5_flow_dv_push_vlan_action_resource *resource,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_ibv_shared *sh = priv->sh;
struct mlx5_flow_dv_push_vlan_action_resource *cache_resource;
struct mlx5dv_dr_domain *domain;
uint32_t idx = 0;
/* Lookup a matching resource from cache. */
ILIST_FOREACH(sh->ipool[MLX5_IPOOL_PUSH_VLAN],
sh->push_vlan_action_list, idx, cache_resource, next) {
if (resource->vlan_tag == cache_resource->vlan_tag &&
resource->ft_type == cache_resource->ft_type) {
DRV_LOG(DEBUG, "push-VLAN action resource resource %p: "
"refcnt %d++",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
rte_atomic32_inc(&cache_resource->refcnt);
dev_flow->handle->dvh.push_vlan_res = idx;
dev_flow->dv.push_vlan_res = cache_resource;
return 0;
}
}
/* Register new push_vlan action resource. */
cache_resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_PUSH_VLAN],
&dev_flow->handle->dvh.push_vlan_res);
if (!cache_resource)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
*cache_resource = *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;
cache_resource->action =
mlx5_glue->dr_create_flow_action_push_vlan(domain,
resource->vlan_tag);
if (!cache_resource->action) {
rte_free(cache_resource);
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create action");
}
rte_atomic32_init(&cache_resource->refcnt);
rte_atomic32_inc(&cache_resource->refcnt);
ILIST_INSERT(sh->ipool[MLX5_IPOOL_PUSH_VLAN],
&sh->push_vlan_action_list,
dev_flow->handle->dvh.push_vlan_res,
cache_resource, next);
dev_flow->dv.push_vlan_res = cache_resource;
DRV_LOG(DEBUG, "new push vlan action resource %p: refcnt %d++",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
return 0;
}
/**
* Get the size of specific rte_flow_item_type
*
* @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_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_flow_item_eth);
break;
case RTE_FLOW_ITEM_TYPE_VLAN:
retval = sizeof(struct rte_flow_item_vlan);
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
retval = sizeof(struct rte_flow_item_ipv4);
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
retval = sizeof(struct rte_flow_item_ipv6);
break;
case RTE_FLOW_ITEM_TYPE_UDP:
retval = sizeof(struct rte_flow_item_udp);
break;
case RTE_FLOW_ITEM_TYPE_TCP:
retval = sizeof(struct rte_flow_item_tcp);
break;
case RTE_FLOW_ITEM_TYPE_VXLAN:
retval = sizeof(struct rte_flow_item_vxlan);
break;
case RTE_FLOW_ITEM_TYPE_GRE:
retval = sizeof(struct rte_flow_item_gre);
break;
case RTE_FLOW_ITEM_TYPE_NVGRE:
retval = sizeof(struct rte_flow_item_nvgre);
break;
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
retval = sizeof(struct rte_flow_item_vxlan_gpe);
break;
case RTE_FLOW_ITEM_TYPE_MPLS:
retval = sizeof(struct rte_flow_item_mpls);
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_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 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(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;
int ret = 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_flags & MLX5_FLOW_ACTION_METER)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"jump with meter not support");
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(attributes, external, target_group,
true, &table, error);
if (ret)
return ret;
if (attributes->group == target_group)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"target group must be other than"
" the current flow group");
return 0;
}
/*
* Validate the port_id 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] action
* Port_id RTE 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;
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 id 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 id 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");
port_id = action->conf;
port = port_id->original ? dev->data->port_id : port_id->id;
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, port_id,
"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 flags
* Flags bits to check if root level.
*
* @return
* Max number of modify header actions device can support.
*/
static unsigned int
flow_dv_modify_hdr_action_max(struct rte_eth_dev *dev, uint64_t flags)
{
/*
* There's no way to directly query the max cap. Although it has to be
* acquried by iterative trial, it is a safe assumption that more
* actions are supported by FW if extensive metadata register is
* supported. (Only in the root table)
*/
if (!(flags & MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL))
return MLX5_MAX_MODIFY_NUM;
else
return mlx5_flow_ext_mreg_supported(dev) ?
MLX5_ROOT_TBL_MODIFY_NUM :
MLX5_ROOT_TBL_MODIFY_NUM_NO_MREG;
}
/**
* 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] action
* Pointer to the meter action.
* @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_ernno is set.
*/
static int
mlx5_flow_validate_action_meter(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)
{
struct mlx5_priv *priv = dev->data->dev_private;
const struct rte_flow_action_meter *am = action->conf;
struct mlx5_flow_meter *fm;
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);
if (!fm)
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Meter not found");
if (fm->ref_cnt && (!(fm->attr.transfer == attr->transfer ||
(!fm->attr.ingress && !attr->ingress && attr->egress) ||
(!fm->attr.egress && !attr->egress && attr->ingress))))
return rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"Flow attributes are either invalid "
"or have a conflict with current "
"meter attributes");
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;
}
/**
* 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_ibv_shared *sh = priv->sh;
struct mlx5_flow_dv_modify_hdr_resource *cache_resource;
struct mlx5dv_dr_domain *ns;
uint32_t actions_len;
resource->flags = dev_flow->dv.group ? 0 :
MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL;
if (resource->actions_num > flow_dv_modify_hdr_action_max(dev,
resource->flags))
return rte_flow_error_set(error, EOVERFLOW,
RTE_FLOW_ERROR_TYPE_ACTION, NULL,
"too many modify header items");
if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB)
ns = sh->fdb_domain;
else if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_NIC_TX)
ns = sh->tx_domain;
else
ns = sh->rx_domain;
/* Lookup a matching resource from cache. */
actions_len = resource->actions_num * sizeof(resource->actions[0]);
LIST_FOREACH(cache_resource, &sh->modify_cmds, next) {
if (resource->ft_type == cache_resource->ft_type &&
resource->actions_num == cache_resource->actions_num &&
resource->flags == cache_resource->flags &&
!memcmp((const void *)resource->actions,
(const void *)cache_resource->actions,
actions_len)) {
DRV_LOG(DEBUG, "modify-header resource %p: refcnt %d++",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
rte_atomic32_inc(&cache_resource->refcnt);
dev_flow->handle->dvh.modify_hdr = cache_resource;
return 0;
}
}
/* Register new modify-header resource. */
cache_resource = rte_calloc(__func__, 1,
sizeof(*cache_resource) + actions_len, 0);
if (!cache_resource)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
*cache_resource = *resource;
rte_memcpy(cache_resource->actions, resource->actions, actions_len);
cache_resource->verbs_action =
mlx5_glue->dv_create_flow_action_modify_header
(sh->ctx, cache_resource->ft_type, ns,
cache_resource->flags, actions_len,
(uint64_t *)cache_resource->actions);
if (!cache_resource->verbs_action) {
rte_free(cache_resource);
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create action");
}
rte_atomic32_init(&cache_resource->refcnt);
rte_atomic32_inc(&cache_resource->refcnt);
LIST_INSERT_HEAD(&sh->modify_cmds, cache_resource, next);
dev_flow->handle->dvh.modify_hdr = cache_resource;
DRV_LOG(DEBUG, "new modify-header resource %p: refcnt %d++",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
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_pools_container *cont;
struct mlx5_flow_counter_pool *pool;
uint32_t batch = 0;
idx--;
if (idx >= MLX5_CNT_BATCH_OFFSET) {
idx -= MLX5_CNT_BATCH_OFFSET;
batch = 1;
}
cont = MLX5_CNT_CONTAINER(priv->sh, batch, 0);
MLX5_ASSERT(idx / MLX5_COUNTERS_PER_POOL < cont->n);
pool = cont->pools[idx / MLX5_COUNTERS_PER_POOL];
MLX5_ASSERT(pool);
if (ppool)
*ppool = pool;
return &pool->counters_raw[idx % MLX5_COUNTERS_PER_POOL];
}
/**
* Get a pool by devx counter ID.
*
* @param[in] cont
* Pointer to the counter container.
* @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_pools_container *cont, int id)
{
uint32_t i;
uint32_t n_valid = rte_atomic16_read(&cont->n_valid);
for (i = 0; i < n_valid; i++) {
struct mlx5_flow_counter_pool *pool = cont->pools[i];
int base = (pool->min_dcs->id / MLX5_COUNTERS_PER_POOL) *
MLX5_COUNTERS_PER_POOL;
if (id >= base && id < base + MLX5_COUNTERS_PER_POOL) {
/*
* Move the pool to the head, as counter allocate
* always gets the first pool in the container.
*/
if (pool != TAILQ_FIRST(&cont->pool_list)) {
TAILQ_REMOVE(&cont->pool_list, pool, next);
TAILQ_INSERT_HEAD(&cont->pool_list, pool, next);
}
return pool;
}
}
return NULL;
}
/**
* Allocate a new memory for the counter values wrapped by all the needed
* management.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] raws_n
* The raw memory areas - each one for MLX5_COUNTERS_PER_POOL counters.
*
* @return
* The new memory management pointer on success, otherwise NULL and rte_errno
* is set.
*/
static struct mlx5_counter_stats_mem_mng *
flow_dv_create_counter_stat_mem_mng(struct rte_eth_dev *dev, int raws_n)
{
struct mlx5_ibv_shared *sh = ((struct mlx5_priv *)
(dev->data->dev_private))->sh;
struct mlx5_devx_mkey_attr mkey_attr;
struct mlx5_counter_stats_mem_mng *mem_mng;
volatile struct flow_counter_stats *raw_data;
int size = (sizeof(struct flow_counter_stats) *
MLX5_COUNTERS_PER_POOL +
sizeof(struct mlx5_counter_stats_raw)) * raws_n +
sizeof(struct mlx5_counter_stats_mem_mng);
uint8_t *mem = rte_calloc(__func__, 1, size, sysconf(_SC_PAGESIZE));
int i;
if (!mem) {
rte_errno = ENOMEM;
return NULL;
}
mem_mng = (struct mlx5_counter_stats_mem_mng *)(mem + size) - 1;
size = sizeof(*raw_data) * MLX5_COUNTERS_PER_POOL * raws_n;
mem_mng->umem = mlx5_glue->devx_umem_reg(sh->ctx, mem, size,
IBV_ACCESS_LOCAL_WRITE);
if (!mem_mng->umem) {
rte_errno = errno;
rte_free(mem);
return NULL;
}
mkey_attr.addr = (uintptr_t)mem;
mkey_attr.size = size;
mkey_attr.umem_id = mem_mng->umem->umem_id;
mkey_attr.pd = sh->pdn;
mkey_attr.log_entity_size = 0;
mkey_attr.pg_access = 0;
mkey_attr.klm_array = NULL;
mkey_attr.klm_num = 0;
mkey_attr.relaxed_ordering = 1;
mem_mng->dm = mlx5_devx_cmd_mkey_create(sh->ctx, &mkey_attr);
if (!mem_mng->dm) {
mlx5_glue->devx_umem_dereg(mem_mng->umem);
rte_errno = errno;
rte_free(mem);
return NULL;
}
mem_mng->raws = (struct mlx5_counter_stats_raw *)(mem + size);
raw_data = (volatile struct flow_counter_stats *)mem;
for (i = 0; i < raws_n; ++i) {
mem_mng->raws[i].mem_mng = mem_mng;
mem_mng->raws[i].data = raw_data + i * MLX5_COUNTERS_PER_POOL;
}
LIST_INSERT_HEAD(&sh->cmng.mem_mngs, mem_mng, next);
return mem_mng;
}
/**
* Resize a counter container.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] batch
* Whether the pool is for counter that was allocated by batch command.
*
* @return
* The new container pointer on success, otherwise NULL and rte_errno is set.
*/
static struct mlx5_pools_container *
flow_dv_container_resize(struct rte_eth_dev *dev, uint32_t batch)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_pools_container *cont =
MLX5_CNT_CONTAINER(priv->sh, batch, 0);
struct mlx5_pools_container *new_cont =
MLX5_CNT_CONTAINER_UNUSED(priv->sh, batch, 0);
struct mlx5_counter_stats_mem_mng *mem_mng = NULL;
uint32_t resize = cont->n + MLX5_CNT_CONTAINER_RESIZE;
uint32_t mem_size = sizeof(struct mlx5_flow_counter_pool *) * resize;
int i;
/* Fallback mode has no background thread. Skip the check. */
if (!priv->counter_fallback &&
cont != MLX5_CNT_CONTAINER(priv->sh, batch, 1)) {
/* The last resize still hasn't detected by the host thread. */
rte_errno = EAGAIN;
return NULL;
}
new_cont->pools = rte_calloc(__func__, 1, mem_size, 0);
if (!new_cont->pools) {
rte_errno = ENOMEM;
return NULL;
}
if (cont->n)
memcpy(new_cont->pools, cont->pools, cont->n *
sizeof(struct mlx5_flow_counter_pool *));
/*
* Fallback mode query the counter directly, no background query
* resources are needed.
*/
if (!priv->counter_fallback) {
mem_mng = flow_dv_create_counter_stat_mem_mng(dev,
MLX5_CNT_CONTAINER_RESIZE + MLX5_MAX_PENDING_QUERIES);
if (!mem_mng) {
rte_free(new_cont->pools);
return NULL;
}
for (i = 0; i < MLX5_MAX_PENDING_QUERIES; ++i)
LIST_INSERT_HEAD(&priv->sh->cmng.free_stat_raws,
mem_mng->raws +
MLX5_CNT_CONTAINER_RESIZE +
i, next);
} else {
/*
* Release the old container pools directly as no background
* thread helps that.
*/
rte_free(cont->pools);
}
new_cont->n = resize;
rte_atomic16_set(&new_cont->n_valid, rte_atomic16_read(&cont->n_valid));
TAILQ_INIT(&new_cont->pool_list);
TAILQ_CONCAT(&new_cont->pool_list, &cont->pool_list, next);
new_cont->init_mem_mng = mem_mng;
rte_cio_wmb();
/* Flip the master container. */
priv->sh->cmng.mhi[batch] ^= (uint8_t)1;
return new_cont;
}
/**
* Query a devx flow counter.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] cnt
* 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;
struct mlx5_flow_counter_ext *cnt_ext = NULL;
int offset;
cnt = flow_dv_counter_get_by_idx(dev, counter, &pool);
MLX5_ASSERT(pool);
if (counter < MLX5_CNT_BATCH_OFFSET) {
cnt_ext = MLX5_CNT_TO_CNT_EXT(pool, cnt);
if (priv->counter_fallback)
return mlx5_devx_cmd_flow_counter_query(cnt_ext->dcs, 0,
0, pkts, bytes, 0, NULL, NULL, 0);
}
rte_spinlock_lock(&pool->sl);
/*
* The single counters allocation may allocate smaller ID than the
* current allocated in parallel to the host reading.
* In this case the new counter values must be reported as 0.
*/
if (unlikely(cnt_ext && cnt_ext->dcs->id < pool->raw->min_dcs_id)) {
*pkts = 0;
*bytes = 0;
} else {
offset = cnt - &pool->counters_raw[0];
*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] batch
* Whether the pool is for counter that was allocated by batch command.
* @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_pools_container *
flow_dv_pool_create(struct rte_eth_dev *dev, struct mlx5_devx_obj *dcs,
uint32_t batch)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_counter_pool *pool;
struct mlx5_pools_container *cont = MLX5_CNT_CONTAINER(priv->sh, batch,
0);
int16_t n_valid = rte_atomic16_read(&cont->n_valid);
uint32_t size;
if (cont->n == n_valid) {
cont = flow_dv_container_resize(dev, batch);
if (!cont)
return NULL;
}
size = sizeof(*pool);
if (!batch)
size += MLX5_COUNTERS_PER_POOL *
sizeof(struct mlx5_flow_counter_ext);
pool = rte_calloc(__func__, 1, size, 0);
if (!pool) {
rte_errno = ENOMEM;
return NULL;
}
pool->min_dcs = dcs;
if (!priv->counter_fallback)
pool->raw = cont->init_mem_mng->raws + n_valid %
MLX5_CNT_CONTAINER_RESIZE;
pool->raw_hw = NULL;
rte_spinlock_init(&pool->sl);
/*
* The generation of the new allocated counters in this pool is 0, 2 in
* the pool generation makes all the counters valid for allocation.
* The start and end query generation protect the counters be released
* between the query and update gap period will not be reallocated
* without the last query finished and stats updated to the memory.
*/
rte_atomic64_set(&pool->start_query_gen, 0x2);
/*
* There's no background query thread for fallback mode, set the
* end_query_gen to the maximum value since no need to wait for
* statistics update.
*/
rte_atomic64_set(&pool->end_query_gen, priv->counter_fallback ?
INT64_MAX : 0x2);
TAILQ_INIT(&pool->counters);
TAILQ_INSERT_HEAD(&cont->pool_list, pool, next);
pool->index = n_valid;
cont->pools[n_valid] = pool;
/* Pool initialization must be updated before host thread access. */
rte_cio_wmb();
rte_atomic16_add(&cont->n_valid, 1);
return cont;
}
/**
* 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] batch
* Whether the pool is for counter that was allocated by batch command.
*
* @return
* The counter container pointer and @p cnt_free is set on success,
* NULL otherwise and rte_errno is set.
*/
static struct mlx5_pools_container *
flow_dv_counter_pool_prepare(struct rte_eth_dev *dev,
struct mlx5_flow_counter **cnt_free,
uint32_t batch)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_pools_container *cont;
struct mlx5_flow_counter_pool *pool;
struct mlx5_devx_obj *dcs = NULL;
struct mlx5_flow_counter *cnt;
uint32_t i;
cont = MLX5_CNT_CONTAINER(priv->sh, batch, 0);
if (!batch) {
/* bulk_bitmap must be 0 for single counter allocation. */
dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->ctx, 0);
if (!dcs)
return NULL;
pool = flow_dv_find_pool_by_id(cont, dcs->id);
if (!pool) {
cont = flow_dv_pool_create(dev, dcs, batch);
if (!cont) {
mlx5_devx_cmd_destroy(dcs);
return NULL;
}
pool = TAILQ_FIRST(&cont->pool_list);
} else if (dcs->id < pool->min_dcs->id) {
rte_atomic64_set(&pool->a64_dcs,
(int64_t)(uintptr_t)dcs);
}
i = dcs->id % MLX5_COUNTERS_PER_POOL;
cnt = &pool->counters_raw[i];
TAILQ_INSERT_HEAD(&pool->counters, cnt, next);
MLX5_GET_POOL_CNT_EXT(pool, i)->dcs = dcs;
*cnt_free = cnt;
return cont;
}
/* bulk_bitmap is in 128 counters units. */
if (priv->config.hca_attr.flow_counter_bulk_alloc_bitmap & 0x4)
dcs = mlx5_devx_cmd_flow_counter_alloc(priv->sh->ctx, 0x4);
if (!dcs) {
rte_errno = ENODATA;
return NULL;
}
cont = flow_dv_pool_create(dev, dcs, batch);
if (!cont) {
mlx5_devx_cmd_destroy(dcs);
return NULL;
}
pool = TAILQ_FIRST(&cont->pool_list);
for (i = 0; i < MLX5_COUNTERS_PER_POOL; ++i) {
cnt = &pool->counters_raw[i];
TAILQ_INSERT_HEAD(&pool->counters, cnt, next);
}
*cnt_free = &pool->counters_raw[0];
return cont;
}
/**
* Search for existed shared counter.
*
* @param[in] cont
* Pointer to the relevant counter pool container.
* @param[in] id
* The shared counter ID to search.
* @param[out] ppool
* mlx5 flow counter pool in the container,
*
* @return
* NULL if not existed, otherwise pointer to the shared extend counter.
*/
static struct mlx5_flow_counter_ext *
flow_dv_counter_shared_search(struct mlx5_pools_container *cont, uint32_t id,
struct mlx5_flow_counter_pool **ppool)
{
static struct mlx5_flow_counter_ext *cnt;
struct mlx5_flow_counter_pool *pool;
uint32_t i;
uint32_t n_valid = rte_atomic16_read(&cont->n_valid);
for (i = 0; i < n_valid; i++) {
pool = cont->pools[i];
for (i = 0; i < MLX5_COUNTERS_PER_POOL; ++i) {
cnt = MLX5_GET_POOL_CNT_EXT(pool, i);
if (cnt->ref_cnt && cnt->shared && cnt->id == id) {
if (ppool)
*ppool = cont->pools[i];
return cnt;
}
}
}
return NULL;
}
/**
* Allocate a flow counter.
*
* @param[in] dev
* Pointer to the Ethernet device structure.
* @param[in] shared
* Indicate if this counter is shared with other flows.
* @param[in] id
* Counter identifier.
* @param[in] group
* Counter flow group.
*
* @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 shared, uint32_t id,
uint16_t group)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_counter_pool *pool = NULL;
struct mlx5_flow_counter *cnt_free = NULL;
struct mlx5_flow_counter_ext *cnt_ext = NULL;
/*
* Currently group 0 flow counter cannot be assigned to a flow if it is
* not the first one in the batch counter allocation, so it is better
* to allocate counters one by one for these flows in a separate
* container.
* A counter can be shared between different groups so need to take
* shared counters from the single container.
*/
uint32_t batch = (group && !shared && !priv->counter_fallback) ? 1 : 0;
struct mlx5_pools_container *cont = MLX5_CNT_CONTAINER(priv->sh, batch,
0);
uint32_t cnt_idx;
if (!priv->config.devx) {
rte_errno = ENOTSUP;
return 0;
}
if (shared) {
cnt_ext = flow_dv_counter_shared_search(cont, id, &pool);
if (cnt_ext) {
if (cnt_ext->ref_cnt + 1 == 0) {
rte_errno = E2BIG;
return 0;
}
cnt_ext->ref_cnt++;
cnt_idx = pool->index * MLX5_COUNTERS_PER_POOL +
(cnt_ext->dcs->id % MLX5_COUNTERS_PER_POOL)
+ 1;
return cnt_idx;
}
}
/* Pools which has a free counters are in the start. */
TAILQ_FOREACH(pool, &cont->pool_list, next) {
/*
* The free counter reset values must be updated between the
* counter release to the counter allocation, so, at least one
* query must be done in this time. ensure it by saving the
* query generation in the release time.
* The free list is sorted according to the generation - so if
* the first one is not updated, all the others are not
* updated too.
*/
cnt_free = TAILQ_FIRST(&pool->counters);
if (cnt_free && cnt_free->query_gen <
rte_atomic64_read(&pool->end_query_gen))
break;
cnt_free = NULL;
}
if (!cnt_free) {
cont = flow_dv_counter_pool_prepare(dev, &cnt_free, batch);
if (!cont)
return 0;
pool = TAILQ_FIRST(&cont->pool_list);
}
if (!batch)
cnt_ext = MLX5_CNT_TO_CNT_EXT(pool, cnt_free);
/* Create a DV counter action only in the first time usage. */
if (!cnt_free->action) {
uint16_t offset;
struct mlx5_devx_obj *dcs;
if (batch) {
offset = cnt_free - &pool->counters_raw[0];
dcs = pool->min_dcs;
} else {
offset = 0;
dcs = cnt_ext->dcs;
}
cnt_free->action = mlx5_glue->dv_create_flow_action_counter
(dcs->obj, offset);
if (!cnt_free->action) {
rte_errno = errno;
return 0;
}
}
cnt_idx = MLX5_MAKE_CNT_IDX(pool->index,
(cnt_free - pool->counters_raw));
cnt_idx += batch * MLX5_CNT_BATCH_OFFSET;
/* Update the counter reset values. */
if (_flow_dv_query_count(dev, cnt_idx, &cnt_free->hits,
&cnt_free->bytes))
return 0;
if (cnt_ext) {
cnt_ext->shared = shared;
cnt_ext->ref_cnt = 1;
cnt_ext->id = id;
}
if (!priv->counter_fallback && !priv->sh->cmng.query_thread_on)
/* Start the asynchronous batch query by the host thread. */
mlx5_set_query_alarm(priv->sh);
TAILQ_REMOVE(&pool->counters, cnt_free, next);
if (TAILQ_EMPTY(&pool->counters)) {
/* Move the pool to the end of the container pool list. */
TAILQ_REMOVE(&cont->pool_list, pool, next);
TAILQ_INSERT_TAIL(&cont->pool_list, pool, next);
}
return cnt_idx;
}
/**
* 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_release(struct rte_eth_dev *dev, uint32_t counter)
{
struct mlx5_flow_counter_pool *pool = NULL;
struct mlx5_flow_counter *cnt;
struct mlx5_flow_counter_ext *cnt_ext = NULL;
if (!counter)
return;
cnt = flow_dv_counter_get_by_idx(dev, counter, &pool);
MLX5_ASSERT(pool);
if (counter < MLX5_CNT_BATCH_OFFSET) {
cnt_ext = MLX5_CNT_TO_CNT_EXT(pool, cnt);
if (cnt_ext && --cnt_ext->ref_cnt)
return;
}
/* Put the counter in the end - the last updated one. */
TAILQ_INSERT_TAIL(&pool->counters, cnt, next);
/*
* Counters released between query trigger and handler need
* to wait the next round of query. Since the packets arrive
* in the gap period will not be taken into account to the
* old counter.
*/
cnt->query_gen = rte_atomic64_read(&pool->start_query_gen);
}
/**
* 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, a negative errno value otherwise and rte_errno is set.
*/
static int
flow_dv_validate_attributes(struct rte_eth_dev *dev,
const struct rte_flow_attr *attributes,
bool external __rte_unused,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t priority_max = priv->config.flow_prio - 1;
#ifndef HAVE_MLX5DV_DR
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;
int ret;
ret = mlx5_flow_group_to_table(attributes, external,
attributes->group, !!priv->fdb_def_rule,
&table, error);
if (ret)
return ret;
#endif
if (attributes->priority != MLX5_FLOW_PRIO_RSVD &&
attributes->priority >= priority_max)
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 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[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, 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;
const struct rte_flow_item *gre_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;
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_ipv4 nic_ipv4_mask = {
.hdr = {
.src_addr = RTE_BE32(0xffffffff),
.dst_addr = RTE_BE32(0xffffffff),
.type_of_service = 0xff,
.next_proto_id = 0xff,
.time_to_live = 0xff,
},
};
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,
},
};
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;
if (items == NULL)
return -1;
ret = flow_dv_validate_attributes(dev, attr, external, error);
if (ret < 0)
return ret;
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
int type = items->type;
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;
break;
case RTE_FLOW_ITEM_TYPE_ETH:
ret = mlx5_flow_validate_item_eth(items, item_flags,
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 = mlx5_flow_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 = mlx5_flow_validate_item_ipv4(items, item_flags,
last_item,
ether_type,
&nic_ipv4_mask,
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_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);
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(items, item_flags,
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;
last_item = MLX5_FLOW_LAYER_GENEVE;
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;
last_item = MLX5_FLOW_LAYER_GTP;
break;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "item not supported");
}
item_flags |= last_item;
}
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
int type = actions->type;
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");
switch (type) {
case RTE_FLOW_ACTION_TYPE_VOID:
break;
case RTE_FLOW_ACTION_TYPE_PORT_ID:
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;
} else {
action_flags |= MLX5_FLOW_ACTION_FLAG;
++actions_n;
}
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;
} else {
action_flags |= MLX5_FLOW_ACTION_MARK;
++actions_n;
}
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;
action_flags |= MLX5_FLOW_ACTION_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;
action_flags |= MLX5_FLOW_ACTION_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 != NULL && rss->queue_num)
queue_index = rss->queue[0];
action_flags |= MLX5_FLOW_ACTION_RSS;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_COUNT:
ret = flow_dv_validate_action_count(dev, 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;
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;
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;
/* 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;
/* Count VID with push_vlan command. */
action_flags |= MLX5_FLOW_ACTION_OF_SET_VLAN_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,
attr, error);
if (ret < 0)
return ret;
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, 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,
error);
if (ret < 0)
return ret;
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;
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;
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:
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;
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:
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;
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:
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;
action_flags |= actions->type ==
RTE_FLOW_ACTION_TYPE_SET_TTL ?
MLX5_FLOW_ACTION_SET_TTL :
MLX5_FLOW_ACTION_DEC_TTL;
break;
case RTE_FLOW_ACTION_TYPE_JUMP:
ret = flow_dv_validate_action_jump(actions,
action_flags,
attr, external,
error);
if (ret)
return ret;
++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;
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:
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;
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:
case MLX5_RTE_FLOW_ACTION_TYPE_MARK:
case MLX5_RTE_FLOW_ACTION_TYPE_COPY_MREG:
break;
case RTE_FLOW_ACTION_TYPE_METER:
ret = mlx5_flow_validate_action_meter(dev,
action_flags,
actions, attr,
error);
if (ret < 0)
return ret;
action_flags |= MLX5_FLOW_ACTION_METER;
++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;
action_flags |= MLX5_FLOW_ACTION_SET_IPV4_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;
action_flags |= MLX5_FLOW_ACTION_SET_IPV6_DSCP;
break;
default:
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ACTION,
actions,
"action not supported");
}
}
/*
* 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 & 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 actions.*/
if ((action_flags & MLX5_FLOW_XCAP_ACTIONS) && (queue_index == 0xFFFF ||
mlx5_rxq_get_type(dev, queue_index) != MLX5_RXQ_TYPE_HAIRPIN)) {
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 && (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;
}
/**
* 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)
{
size_t size = sizeof(struct mlx5_flow_handle);
struct mlx5_flow *dev_flow;
struct mlx5_flow_handle *dev_handle;
struct mlx5_priv *priv = dev->data->dev_private;
/* In case of corrupting the memory. */
if (priv->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 = rte_calloc(__func__, 1, size, 0);
if (!dev_handle) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"not enough memory to create flow handle");
return NULL;
}
/* No multi-thread supporting. */
dev_flow = &((struct mlx5_flow *)priv->inter_flows)[priv->flow_idx++];
dev_flow->handle = dev_handle;
dev_flow->dv.value.size = MLX5_ST_SZ_BYTES(fte_match_param);
/*
* The matching value needs to be cleared to 0 before using. In the
* past, it will be automatically cleared when using rte_*alloc
* API. The time consumption will be almost the same as before.
*/
memset(dev_flow->dv.value.buf, 0, 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 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)
{
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),
};
void *headers_m;
void *headers_v;
char *l24_v;
unsigned int i;
if (!eth_v)
return;
if (!eth_m)
eth_m = &nic_mask;
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);
}
memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_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, headers_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, headers_m, smac_47_16),
&eth_m->src, sizeof(eth_m->src));
l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_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];
if (eth_v->type) {
/* When ethertype is present set mask for tagged VLAN. */
MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
/* Set value for tagged VLAN if ethertype is 802.1Q. */
if (eth_v->type == RTE_BE16(RTE_ETHER_TYPE_VLAN) ||
eth_v->type == RTE_BE16(RTE_ETHER_TYPE_QINQ)) {
MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag,
1);
/* Return here to avoid setting match on ethertype. */
return;
}
}
/*
* 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.
*/
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype,
rte_be_to_cpu_16(eth_m->type));
l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_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)
{
const struct rte_flow_item_vlan *vlan_m = item->mask;
const struct rte_flow_item_vlan *vlan_v = item->spec;
void *headers_m;
void *headers_v;
uint16_t tci_m;
uint16_t tci_v;
if (!vlan_v)
return;
if (!vlan_m)
vlan_m = &rte_flow_item_vlan_mask;
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);
/*
* This is workaround, masks are not supported,
* and pre-validated.
*/
dev_flow->handle->vf_vlan.tag =
rte_be_to_cpu_16(vlan_v->tci) & 0x0fff;
}
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, headers_m, cvlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_vid, tci_m);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, tci_v);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_cfi, tci_m >> 12);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_cfi, tci_v >> 12);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, first_prio, tci_m >> 13);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, tci_v >> 13);
MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype,
rte_be_to_cpu_16(vlan_m->inner_type));
MLX5_SET(fte_match_set_lyr_2_4, headers_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] item_flags
* Bit-fields that holds the items detected until now.
* @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,
const uint64_t item_flags,
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;
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 (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, 0x4);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 4);
/*
* On outer header (which must contains L2), or inner header with L2,
* set cvlan_tag mask bit to mark this packet as untagged.
* This should be done even if item->spec is empty.
*/
if (!inner || item_flags & MLX5_FLOW_LAYER_INNER_L2)
MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
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;
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);
}
/**
* 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] item_flags
* Bit-fields that holds the items detected until now.
* @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,
const uint64_t item_flags,
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);
}
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, 0x6);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 6);
/*
* On outer header (which must contains L2), or inner header with L2,
* set cvlan_tag mask bit to mark this packet as untagged.
* This should be done even if item->spec is empty.
*/
if (!inner || item_flags & MLX5_FLOW_LAYER_INNER_L2)
MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1);
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);
}
/**
* 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] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_gre(void *matcher, void *key,
const struct rte_flow_item *item,
int inner)
{
const struct rte_flow_item_gre *gre_m = item->mask;
const struct rte_flow_item_gre *gre_v = item->spec;
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);
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;
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_GRE);
if (!gre_v)
return;
if (!gre_m)
gre_m = &rte_flow_item_gre_mask;
MLX5_SET(fte_match_set_misc, misc_m, gre_protocol,
rte_be_to_cpu_16(gre_m->protocol));
MLX5_SET(fte_match_set_misc, misc_v, gre_protocol,
rte_be_to_cpu_16(gre_v->protocol & gre_m->protocol));
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);
}
/**
* 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] inner
* Item is inner pattern.
*/
static void
flow_dv_translate_item_nvgre(void *matcher, void *key,
const struct rte_flow_item *item,
int inner)
{
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 *)nvgre_m->tni;
const char *tni_flow_id_v = (const char *)nvgre_v->tni;
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, inner);
if (!nvgre_v)
return;
if (!nvgre_m)
nvgre_m = &rte_flow_item_nvgre_mask;
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, 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(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 *misc_m = MLX5_ADDR_OF(fte_match_param, matcher, misc_parameters);
void *misc_v = MLX5_ADDR_OF(fte_match_param, key, misc_parameters);
char *vni_m;
char *vni_v;
uint16_t dport;
int size;
int i;
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);
}
if (!vxlan_v)
return;
if (!vxlan_m)
vxlan_m = &rte_flow_item_vxlan_mask;
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];
}
/**
* 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, int inner)
{
const struct rte_flow_item_vxlan_gpe *vxlan_m = item->mask;
const struct rte_flow_item_vxlan_gpe *vxlan_v = item->spec;
void *headers_m;
void *headers_v;
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;
char *vni_v;
uint16_t dport;
int size;
int i;
uint8_t flags_m = 0xff;
uint8_t flags_v = 0xc;
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);
}
if (!vxlan_v)
return;
if (!vxlan_m)
vxlan_m = &rte_flow_item_vxlan_gpe_mask;
size = sizeof(vxlan_m->vni);
vni_m = MLX5_ADDR_OF(fte_match_set_misc3, misc_m, outer_vxlan_gpe_vni);
vni_v = MLX5_ADDR_OF(fte_match_set_misc3, misc_v, outer_vxlan_gpe_vni);
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);
MLX5_SET(fte_match_set_misc3, misc_m, outer_vxlan_gpe_next_protocol,
vxlan_m->protocol);
MLX5_SET(fte_match_set_misc3, misc_v, outer_vxlan_gpe_next_protocol,
vxlan_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, int inner)
{
const struct rte_flow_item_geneve *geneve_m = item->mask;
const struct rte_flow_item_geneve *geneve_v = item->spec;
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);
uint16_t dport;
uint16_t gbhdr_m;
uint16_t gbhdr_v;
char *vni_m;
char *vni_v;
size_t size, i;
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 = MLX5_UDP_PORT_GENEVE;
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 (!geneve_v)
return;
if (!geneve_m)
geneve_m = &rte_flow_item_geneve_mask;
size = sizeof(geneve_m->vni);
vni_m = MLX5_ADDR_OF(fte_match_set_misc, misc_m, geneve_vni);
vni_v = MLX5_ADDR_OF(fte_match_set_misc, misc_v, geneve_vni);
memcpy(vni_m, geneve_m->vni, size);
for (i = 0; i < size; ++i)
vni_v[i] = vni_m[i] & geneve_v->vni[i];
MLX5_SET(fte_match_set_misc, misc_m, geneve_protocol_type,
rte_be_to_cpu_16(geneve_m->protocol));
MLX5_SET(fte_match_set_misc, misc_v, geneve_protocol_type,
rte_be_to_cpu_16(geneve_v->protocol & geneve_m->protocol));
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));
}
/**
* 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:
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:
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:
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_MPLS);
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;
/*
* In datapath code there is no endianness
* coversions for perfromance reasons, all
* pattern conversions are done in rte_flow.
*/
value = rte_cpu_to_be_32(value);
mask = rte_cpu_to_be_32(mask);
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);
#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
uint32_t shr_c0 = __builtin_clz(priv->sh->dv_meta_mask);
value >>= shr_c0;
mask >>= shr_c0;
#endif
value <<= shl_c0;
mask <<= shl_c0;
MLX5_ASSERT(msk_c0);
MLX5_ASSERT(!(~msk_c0 & mask));
}
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.
*
* @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_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;
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. */
if (priv->vport_meta_mask)
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;
/*
* Force flow only to match the non-fragmented IPv6 ICMPv6 packets.
* If only the protocol is specified, no need to match the frag.
*/
MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0);
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;
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;
/*
* Force flow only to match the non-fragmented IPv4 ICMP packets.
* If only the protocol is specified, no need to match the frag.
*/
MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0);
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);
}
/**
* 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_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));
}
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;
return match_criteria_enable;
}
/**
* Get a flow table.
*
* @param[in, out] dev
* Pointer to rte_eth_dev structure.
* @param[in] table_id
* Table id to use.
* @param[in] egress
* Direction of the table.
* @param[in] transfer
* E-Switch or NIC flow.
* @param[out] error
* pointer to error structure.
*
* @return
* Returns tables resource based on the index, NULL in case of failed.
*/
static struct mlx5_flow_tbl_resource *
flow_dv_tbl_resource_get(struct rte_eth_dev *dev,
uint32_t table_id, uint8_t egress,
uint8_t transfer,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_ibv_shared *sh = priv->sh;
struct mlx5_flow_tbl_resource *tbl;
union mlx5_flow_tbl_key table_key = {
{
.table_id = table_id,
.reserved = 0,
.domain = !!transfer,
.direction = !!egress,
}
};
struct mlx5_hlist_entry *pos = mlx5_hlist_lookup(sh->flow_tbls,
table_key.v64);
struct mlx5_flow_tbl_data_entry *tbl_data;
int ret;
void *domain;
if (pos) {
tbl_data = container_of(pos, struct mlx5_flow_tbl_data_entry,
entry);
tbl = &tbl_data->tbl;
rte_atomic32_inc(&tbl->refcnt);
return tbl;
}
tbl_data = rte_zmalloc(NULL, sizeof(*tbl_data), 0);
if (!tbl_data) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot allocate flow table data entry");
return NULL;
}
tbl = &tbl_data->tbl;
pos = &tbl_data->entry;
if (transfer)
domain = sh->fdb_domain;
else if (egress)
domain = sh->tx_domain;
else
domain = sh->rx_domain;
tbl->obj = mlx5_glue->dr_create_flow_tbl(domain, table_id);
if (!tbl->obj) {
rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create flow table object");
rte_free(tbl_data);
return NULL;
}
/*
* No multi-threads now, but still better to initialize the reference
* count before insert it into the hash list.
*/
rte_atomic32_init(&tbl->refcnt);
/* Jump action reference count is initialized here. */
rte_atomic32_init(&tbl_data->jump.refcnt);
pos->key = table_key.v64;
ret = mlx5_hlist_insert(sh->flow_tbls, pos);
if (ret < 0) {
rte_flow_error_set(error, -ret,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot insert flow table data entry");
mlx5_glue->dr_destroy_flow_tbl(tbl->obj);
rte_free(tbl_data);
}
rte_atomic32_inc(&tbl->refcnt);
return tbl;
}
/**
* Release a flow table.
*
* @param[in] dev
* Pointer to rte_eth_dev 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 rte_eth_dev *dev,
struct mlx5_flow_tbl_resource *tbl)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_ibv_shared *sh = priv->sh;
struct mlx5_flow_tbl_data_entry *tbl_data =
container_of(tbl, struct mlx5_flow_tbl_data_entry, tbl);
if (!tbl)
return 0;
if (rte_atomic32_dec_and_test(&tbl->refcnt)) {
struct mlx5_hlist_entry *pos = &tbl_data->entry;
mlx5_glue->dr_destroy_flow_tbl(tbl->obj);
tbl->obj = NULL;
/* remove the entry from the hash list and free memory. */
mlx5_hlist_remove(sh->flow_tbls, pos);
rte_free(tbl_data);
return 0;
}
return 1;
}
/**
* 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 *matcher,
union mlx5_flow_tbl_key *key,
struct mlx5_flow *dev_flow,
struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_ibv_shared *sh = priv->sh;
struct mlx5_flow_dv_matcher *cache_matcher;
struct mlx5dv_flow_matcher_attr dv_attr = {
.type = IBV_FLOW_ATTR_NORMAL,
.match_mask = (void *)&matcher->mask,
};
struct mlx5_flow_tbl_resource *tbl;
struct mlx5_flow_tbl_data_entry *tbl_data;
tbl = flow_dv_tbl_resource_get(dev, key->table_id, key->direction,
key->domain, 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);
/* Lookup from cache. */
LIST_FOREACH(cache_matcher, &tbl_data->matchers, next) {
if (matcher->crc == cache_matcher->crc &&
matcher->priority == cache_matcher->priority &&
!memcmp((const void *)matcher->mask.buf,
(const void *)cache_matcher->mask.buf,
cache_matcher->mask.size)) {
DRV_LOG(DEBUG,
"%s group %u priority %hd use %s "
"matcher %p: refcnt %d++",
key->domain ? "FDB" : "NIC", key->table_id,
cache_matcher->priority,
key->direction ? "tx" : "rx",
(void *)cache_matcher,
rte_atomic32_read(&cache_matcher->refcnt));
rte_atomic32_inc(&cache_matcher->refcnt);
dev_flow->handle->dvh.matcher = cache_matcher;
/* old matcher should not make the table ref++. */
flow_dv_tbl_resource_release(dev, tbl);
return 0;
}
}
/* Register new matcher. */
cache_matcher = rte_calloc(__func__, 1, sizeof(*cache_matcher), 0);
if (!cache_matcher) {
flow_dv_tbl_resource_release(dev, tbl);
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate matcher memory");
}
*cache_matcher = *matcher;
dv_attr.match_criteria_enable =
flow_dv_matcher_enable(cache_matcher->mask.buf);
dv_attr.priority = matcher->priority;
if (key->direction)
dv_attr.flags |= IBV_FLOW_ATTR_FLAGS_EGRESS;
cache_matcher->matcher_object =
mlx5_glue->dv_create_flow_matcher(sh->ctx, &dv_attr, tbl->obj);
if (!cache_matcher->matcher_object) {
rte_free(cache_matcher);
#ifdef HAVE_MLX5DV_DR
flow_dv_tbl_resource_release(dev, tbl);
#endif
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create matcher");
}
/* Save the table information */
cache_matcher->tbl = tbl;
rte_atomic32_init(&cache_matcher->refcnt);
/* only matcher ref++, table ref++ already done above in get API. */
rte_atomic32_inc(&cache_matcher->refcnt);
LIST_INSERT_HEAD(&tbl_data->matchers, cache_matcher, next);
dev_flow->handle->dvh.matcher = cache_matcher;
DRV_LOG(DEBUG, "%s group %u priority %hd new %s matcher %p: refcnt %d",
key->domain ? "FDB" : "NIC", key->table_id,
cache_matcher->priority,
key->direction ? "tx" : "rx", (void *)cache_matcher,
rte_atomic32_read(&cache_matcher->refcnt));
return 0;
}
/**
* 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_ibv_shared *sh = priv->sh;
struct mlx5_flow_dv_tag_resource *cache_resource;
struct mlx5_hlist_entry *entry;
/* Lookup a matching resource from cache. */
entry = mlx5_hlist_lookup(sh->tag_table, (uint64_t)tag_be24);
if (entry) {
cache_resource = container_of
(entry, struct mlx5_flow_dv_tag_resource, entry);
rte_atomic32_inc(&cache_resource->refcnt);
dev_flow->handle->dvh.tag_resource = cache_resource->idx;
dev_flow->dv.tag_resource = cache_resource;
DRV_LOG(DEBUG, "cached tag resource %p: refcnt now %d++",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
return 0;
}
/* Register new resource. */
cache_resource = mlx5_ipool_zmalloc(sh->ipool[MLX5_IPOOL_TAG],
&dev_flow->handle->dvh.tag_resource);
if (!cache_resource)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot allocate resource memory");
cache_resource->entry.key = (uint64_t)tag_be24;
cache_resource->action = mlx5_glue->dv_create_flow_action_tag(tag_be24);
if (!cache_resource->action) {
rte_free(cache_resource);
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot create action");
}
rte_atomic32_init(&cache_resource->refcnt);
rte_atomic32_inc(&cache_resource->refcnt);
if (mlx5_hlist_insert(sh->tag_table, &cache_resource->entry)) {
mlx5_glue->destroy_flow_action(cache_resource->action);
rte_free(cache_resource);
return rte_flow_error_set(error, EEXIST,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot insert tag");
}
dev_flow->dv.tag_resource = cache_resource;
DRV_LOG(DEBUG, "new tag resource %p: refcnt now %d++",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
return 0;
}
/**
* 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_ibv_shared *sh = priv->sh;
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,
rte_atomic32_read(&tag->refcnt));
if (rte_atomic32_dec_and_test(&tag->refcnt)) {
claim_zero(mlx5_glue->destroy_flow_action(tag->action));
mlx5_hlist_remove(sh->tag_table, &tag->entry);
DRV_LOG(DEBUG, "port %u tag %p: removed",
dev->data->port_id, (void *)tag);
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_TAG], tag_idx);
return 0;
}
return 1;
}
/**
* Translate port ID action to vport.
*
* @param[in] dev
* Pointer to rte_eth_dev structure.
* @param[in] action
* Pointer to the port ID action.
* @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;
const struct rte_flow_action_port_id *conf =
(const struct rte_flow_action_port_id *)action->conf;
port = conf->original ? dev->data->port_id : conf->id;
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_DEVX_PORT
/*
* This parameter is transferred to
* mlx5dv_dr_action_create_dest_ib_port().
*/
*dst_port_id = priv->ibv_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;
}
/**
* 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;
queue_m = (const void *)item->mask;
if (!queue_m)
return;
queue_v = (const void *)item->spec;
if (!queue_v)
return;
txq = mlx5_txq_get(dev, queue_v->queue);
if (!txq)
return;
queue = txq->obj->sq->id;
MLX5_SET(fte_match_set_misc, misc_m, source_sqn, queue_m->queue);
MLX5_SET(fte_match_set_misc, misc_v, source_sqn,
queue & queue_m->queue);
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.
*/
static void
flow_dv_hashfields_set(struct mlx5_flow *dev_flow)
{
struct rte_flow *flow = dev_flow->flow;
uint64_t items = dev_flow->handle->layers;
int rss_inner = 0;
uint64_t rss_types = rte_eth_rss_hf_refine(flow->rss.types);
dev_flow->hash_fields = 0;
#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
if (flow->rss.level >= 2) {
dev_flow->hash_fields |= IBV_RX_HASH_INNER;
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 & ETH_RSS_L3_SRC_ONLY)
dev_flow->hash_fields |= IBV_RX_HASH_SRC_IPV4;
else if (rss_types & 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 & ETH_RSS_L3_SRC_ONLY)
dev_flow->hash_fields |= IBV_RX_HASH_SRC_IPV6;
else if (rss_types & 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 ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L4_UDP)) ||
(!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L4_UDP))) {
if (rss_types & ETH_RSS_UDP) {
if (rss_types & ETH_RSS_L4_SRC_ONLY)
dev_flow->hash_fields |=
IBV_RX_HASH_SRC_PORT_UDP;
else if (rss_types & 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 & ETH_RSS_TCP) {
if (rss_types & ETH_RSS_L4_SRC_ONLY)
dev_flow->hash_fields |=
IBV_RX_HASH_SRC_PORT_TCP;
else if (rss_types & 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;
}
}
}
/**
* 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;
uint64_t item_flags = 0;
uint64_t last_item = 0;
uint64_t action_flags = 0;
uint64_t priority = attr->priority;
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;
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 };
uint32_t table;
int ret = 0;
mhdr_res->ft_type = attr->egress ? MLX5DV_FLOW_TABLE_TYPE_NIC_TX :
MLX5DV_FLOW_TABLE_TYPE_NIC_RX;
ret = mlx5_flow_group_to_table(attr, dev_flow->external, attr->group,
!!priv->fdb_def_rule, &table, error);
if (ret)
return ret;
dev_flow->dv.group = table;
if (attr->transfer)
mhdr_res->ft_type = MLX5DV_FLOW_TABLE_TYPE_FDB;
if (priority == MLX5_FLOW_PRIO_RSVD)
priority = dev_conf->flow_prio - 1;
/* number of actions must be set to 0 in case of dirty stack. */
mhdr_res->actions_num = 0;
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 struct rte_flow_action_count *count = action->conf;
const uint8_t *rss_key;
const struct rte_flow_action_jump *jump_data;
const struct rte_flow_action_meter *mtr;
struct mlx5_flow_tbl_resource *tbl;
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;
switch (action_type) {
case RTE_FLOW_ACTION_TYPE_VOID:
break;
case RTE_FLOW_ACTION_TYPE_PORT_ID:
if (flow_dv_translate_action_port_id(dev, action,
&port_id, error))
return -rte_errno;
memset(&port_id_resource, 0, sizeof(port_id_resource));
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;
MLX5_ASSERT(!handle->dvh.port_id_action);
dev_flow->dv.actions[actions_n++] =
dev_flow->dv.port_id_action->action;
action_flags |= MLX5_FLOW_ACTION_PORT_ID;
break;
case RTE_FLOW_ACTION_TYPE_FLAG:
action_flags |= MLX5_FLOW_ACTION_FLAG;
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.tag_resource);
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;
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.tag_resource);
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;
break;
case RTE_FLOW_ACTION_TYPE_QUEUE:
MLX5_ASSERT(flow->rss.queue);
queue = actions->conf;
flow->rss.queue_num = 1;
(*flow->rss.queue)[0] = queue->index;
action_flags |= MLX5_FLOW_ACTION_QUEUE;
break;
case RTE_FLOW_ACTION_TYPE_RSS:
MLX5_ASSERT(flow->rss.queue);
rss = actions->conf;
if (flow->rss.queue)
memcpy((*flow->rss.queue), rss->queue,
rss->queue_num * sizeof(uint16_t));
flow->rss.queue_num = rss->queue_num;
/* NULL RSS key indicates default RSS key. */
rss_key = !rss->key ? rss_hash_default_key : rss->key;
memcpy(flow->rss.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;
break;
case RTE_FLOW_ACTION_TYPE_COUNT:
if (!dev_conf->devx) {
rte_errno = ENOTSUP;
goto cnt_err;
}
flow->counter = flow_dv_counter_alloc(dev,
count->shared,
count->id,
dev_flow->dv.group);
if (!flow->counter)
goto cnt_err;
dev_flow->dv.actions[actions_n++] =
(flow_dv_counter_get_by_idx(dev,
flow->counter, NULL))->action;
action_flags |= MLX5_FLOW_ACTION_COUNT;
break;
cnt_err:
if (rte_errno == ENOTSUP)
return rte_flow_error_set
(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"count action not supported");
else
return rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
action,
"cannot create counter"
" object.");
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->verbs_action;
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->verbs_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->verbs_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->verbs_action;
}
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->verbs_action;
}
/* If decap is followed by encap, handle it at encap. */
action_flags |= MLX5_FLOW_ACTION_DECAP;
break;
case RTE_FLOW_ACTION_TYPE_JUMP:
jump_data = action->conf;
ret = mlx5_flow_group_to_table(attr, dev_flow->external,
jump_data->group,
!!priv->fdb_def_rule,
&table, error);
if (ret)
return ret;
tbl = flow_dv_tbl_resource_get(dev, table,
attr->egress,
attr->transfer, 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(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++] =
handle->dvh.jump->action;
action_flags |= MLX5_FLOW_ACTION_JUMP;
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 RTE_FLOW_ACTION_TYPE_METER:
mtr = actions->conf;
if (!flow->meter) {
flow->meter = mlx5_flow_meter_attach(priv,
mtr->mtr_id, attr,
error);
if (!flow->meter)
return rte_flow_error_set(error,
rte_errno,
RTE_FLOW_ERROR_TYPE_ACTION,
NULL,
"meter not found "
"or invalid parameters");
}
/* Set the meter action. */
dev_flow->dv.actions[actions_n++] =
flow->meter->mfts->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_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->verbs_action;
}
break;
default:
break;
}
if (mhdr_res->actions_num &&
modify_action_position == UINT32_MAX)
modify_action_position = actions_n++;
}
dev_flow->dv.actions_n = actions_n;
handle->act_flags = action_flags;
for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
int item_type = items->type;
switch (item_type) {
case RTE_FLOW_ITEM_TYPE_PORT_ID:
flow_dv_translate_item_port_id(dev, match_mask,
match_value, items);
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);
matcher.priority = 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);
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, item_flags, 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, item_flags, 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_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:
flow_dv_translate_item_gre(match_mask, match_value,
items, tunnel);
matcher.priority = flow->rss.level >= 2 ?
MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
last_item = MLX5_FLOW_LAYER_GRE;
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:
flow_dv_translate_item_nvgre(match_mask, match_value,
items, tunnel);
matcher.priority = flow->rss.level >= 2 ?
MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
last_item = MLX5_FLOW_LAYER_GRE;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN:
flow_dv_translate_item_vxlan(match_mask, match_value,
items, tunnel);
matcher.priority = flow->rss.level >= 2 ?
MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
last_item = MLX5_FLOW_LAYER_VXLAN;
break;
case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
flow_dv_translate_item_vxlan_gpe(match_mask,
match_value, items,
tunnel);
matcher.priority = flow->rss.level >= 2 ?
MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
last_item = MLX5_FLOW_LAYER_VXLAN_GPE;
break;
case RTE_FLOW_ITEM_TYPE_GENEVE:
flow_dv_translate_item_geneve(match_mask, match_value,
items, tunnel);
matcher.priority = flow->rss.level >= 2 ?
MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
last_item = MLX5_FLOW_LAYER_GENEVE;
break;
case RTE_FLOW_ITEM_TYPE_MPLS:
flow_dv_translate_item_mpls(match_mask, match_value,
items, last_item, tunnel);
matcher.priority = flow->rss.level >= 2 ?
MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
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 = flow->rss.level >= 2 ?
MLX5_PRIORITY_MAP_L2 : MLX5_PRIORITY_MAP_L4;
last_item = MLX5_FLOW_LAYER_GTP;
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))
return -rte_errno;
}
#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);
/* Register matcher. */
matcher.crc = rte_raw_cksum((const void *)matcher.mask.buf,
matcher.mask.size);
matcher.priority = mlx5_flow_adjust_priority(dev, priority,
matcher.priority);
/* reserved field no needs to be set to 0 here. */
tbl_key.domain = attr->transfer;
tbl_key.direction = attr->egress;
tbl_key.table_id = dev_flow->dv.group;
if (flow_dv_matcher_register(dev, &matcher, &tbl_key, dev_flow, error))
return -rte_errno;
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;
int n;
int err;
int idx;
for (idx = priv->flow_idx - 1; idx >= priv->flow_nested_idx; idx--) {
dev_flow = &((struct mlx5_flow *)priv->inter_flows)[idx];
dv = &dev_flow->dv;
dh = dev_flow->handle;
dv_h = &dh->dvh;
n = dv->actions_n;
if (dh->act_flags & MLX5_FLOW_ACTION_DROP) {
if (dv->transfer) {
dv->actions[n++] = priv->sh->esw_drop_action;
} else {
dh->hrxq = mlx5_hrxq_drop_new(dev);
if (!dh->hrxq) {
rte_flow_error_set
(error, errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"cannot get drop hash queue");
goto error;
}
dv->actions[n++] = dh->hrxq->action;
}
} else if (dh->act_flags &
(MLX5_FLOW_ACTION_QUEUE | MLX5_FLOW_ACTION_RSS)) {
struct mlx5_hrxq *hrxq;
MLX5_ASSERT(flow->rss.queue);
hrxq = mlx5_hrxq_get(dev, flow->rss.key,
MLX5_RSS_HASH_KEY_LEN,
dev_flow->hash_fields,
(*flow->rss.queue),
flow->rss.queue_num);
if (!hrxq) {
hrxq = mlx5_hrxq_new
(dev, flow->rss.key,
MLX5_RSS_HASH_KEY_LEN,
dev_flow->hash_fields,
(*flow->rss.queue),
flow->rss.queue_num,
!!(dh->layers &
MLX5_FLOW_LAYER_TUNNEL));
}
if (!hrxq) {
rte_flow_error_set
(error, rte_errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
"cannot get hash queue");
goto error;
}
dh->hrxq = hrxq;
dv->actions[n++] = dh->hrxq->action;
}
dh->ib_flow =
mlx5_glue->dv_create_flow(dv_h->matcher->matcher_object,
(void *)&dv->value, n,
dv->actions);
if (!dh->ib_flow) {
rte_flow_error_set(error, errno,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"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. */
LIST_FOREACH(dh, &flow->dev_handles, next) {
if (dh->hrxq) {
if (dh->act_flags & MLX5_FLOW_ACTION_DROP)
mlx5_hrxq_drop_release(dev);
else
mlx5_hrxq_release(dev, dh->hrxq);
dh->hrxq = NULL;
}
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;
}
/**
* Release the flow matcher.
*
* @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_matcher_release(struct rte_eth_dev *dev,
struct mlx5_flow_handle *handle)
{
struct mlx5_flow_dv_matcher *matcher = handle->dvh.matcher;
MLX5_ASSERT(matcher->matcher_object);
DRV_LOG(DEBUG, "port %u matcher %p: refcnt %d--",
dev->data->port_id, (void *)matcher,
rte_atomic32_read(&matcher->refcnt));
if (rte_atomic32_dec_and_test(&matcher->refcnt)) {
claim_zero(mlx5_glue->dv_destroy_flow_matcher
(matcher->matcher_object));
LIST_REMOVE(matcher, next);
/* table ref-- in release interface. */
flow_dv_tbl_resource_release(dev, matcher->tbl);
rte_free(matcher);
DRV_LOG(DEBUG, "port %u matcher %p: removed",
dev->data->port_id, (void *)matcher);
return 0;
}
return 1;
}
/**
* Release an encap/decap 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_encap_decap_resource_release(struct rte_eth_dev *dev,
struct mlx5_flow_handle *handle)
{
struct mlx5_priv *priv = dev->data->dev_private;
uint32_t idx = handle->dvh.encap_decap;
struct mlx5_flow_dv_encap_decap_resource *cache_resource;
cache_resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_DECAP_ENCAP],
idx);
if (!cache_resource)
return 0;
MLX5_ASSERT(cache_resource->verbs_action);
DRV_LOG(DEBUG, "encap/decap resource %p: refcnt %d--",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
claim_zero(mlx5_glue->destroy_flow_action
(cache_resource->verbs_action));
ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_DECAP_ENCAP],
&priv->sh->encaps_decaps, idx,
cache_resource, next);
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_DECAP_ENCAP], idx);
DRV_LOG(DEBUG, "encap/decap resource %p: removed",
(void *)cache_resource);
return 0;
}
return 1;
}
/**
* Release an jump to table 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_jump_tbl_resource_release(struct rte_eth_dev *dev,
struct mlx5_flow_handle *handle)
{
struct mlx5_flow_dv_jump_tbl_resource *cache_resource =
handle->dvh.jump;
struct mlx5_flow_tbl_data_entry *tbl_data =
container_of(cache_resource,
struct mlx5_flow_tbl_data_entry, jump);
MLX5_ASSERT(cache_resource->action);
DRV_LOG(DEBUG, "jump table resource %p: refcnt %d--",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
claim_zero(mlx5_glue->destroy_flow_action
(cache_resource->action));
/* jump action memory free is inside the table release. */
flow_dv_tbl_resource_release(dev, &tbl_data->tbl);
DRV_LOG(DEBUG, "jump table resource %p: removed",
(void *)cache_resource);
return 0;
}
return 1;
}
/**
* Release a modify-header resource.
*
* @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 mlx5_flow_handle *handle)
{
struct mlx5_flow_dv_modify_hdr_resource *cache_resource =
handle->dvh.modify_hdr;
MLX5_ASSERT(cache_resource->verbs_action);
DRV_LOG(DEBUG, "modify-header resource %p: refcnt %d--",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
claim_zero(mlx5_glue->destroy_flow_action
(cache_resource->verbs_action));
LIST_REMOVE(cache_resource, next);
rte_free(cache_resource);
DRV_LOG(DEBUG, "modify-header resource %p: removed",
(void *)cache_resource);
return 0;
}
return 1;
}
/**
* 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,
struct mlx5_flow_handle *handle)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_flow_dv_port_id_action_resource *cache_resource;
uint32_t idx = handle->dvh.port_id_action;
cache_resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_PORT_ID],
idx);
if (!cache_resource)
return 0;
MLX5_ASSERT(cache_resource->action);
DRV_LOG(DEBUG, "port ID action resource %p: refcnt %d--",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
claim_zero(mlx5_glue->destroy_flow_action
(cache_resource->action));
ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_PORT_ID],
&priv->sh->port_id_action_list, idx,
cache_resource, next);
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_PORT_ID], idx);
DRV_LOG(DEBUG, "port id action resource %p: removed",
(void *)cache_resource);
return 0;
}
return 1;
}
/**
* 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;
uint32_t idx = handle->dvh.push_vlan_res;
struct mlx5_flow_dv_push_vlan_action_resource *cache_resource;
cache_resource = mlx5_ipool_get(priv->sh->ipool[MLX5_IPOOL_PUSH_VLAN],
idx);
if (!cache_resource)
return 0;
MLX5_ASSERT(cache_resource->action);
DRV_LOG(DEBUG, "push VLAN action resource %p: refcnt %d--",
(void *)cache_resource,
rte_atomic32_read(&cache_resource->refcnt));
if (rte_atomic32_dec_and_test(&cache_resource->refcnt)) {
claim_zero(mlx5_glue->destroy_flow_action
(cache_resource->action));
ILIST_REMOVE(priv->sh->ipool[MLX5_IPOOL_PUSH_VLAN],
&priv->sh->push_vlan_action_list, idx,
cache_resource, next);
mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_PUSH_VLAN], idx);
DRV_LOG(DEBUG, "push vlan action resource %p: removed",
(void *)cache_resource);
return 0;
}
return 1;
}
/**
* 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;
if (!flow)
return;
LIST_FOREACH(dh, &flow->dev_handles, next) {
if (dh->ib_flow) {
claim_zero(mlx5_glue->dv_destroy_flow(dh->ib_flow));
dh->ib_flow = NULL;
}
if (dh->hrxq) {
if (dh->act_flags & MLX5_FLOW_ACTION_DROP)
mlx5_hrxq_drop_release(dev);
else
mlx5_hrxq_release(dev, dh->hrxq);
dh->hrxq = NULL;
}
if (dh->vf_vlan.tag && dh->vf_vlan.created)
mlx5_vlan_vmwa_release(dev, &dh->vf_vlan);
}
}
/**
* 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;
if (!flow)
return;
__flow_dv_remove(dev, flow);
if (flow->counter) {
flow_dv_counter_release(dev, flow->counter);
flow->counter = 0;
}
if (flow->meter) {
mlx5_flow_meter_detach(flow->meter);
flow->meter = NULL;
}
while (!LIST_EMPTY(&flow->dev_handles)) {
dev_handle = LIST_FIRST(&flow->dev_handles);
LIST_REMOVE(dev_handle, next);
if (dev_handle->dvh.matcher)
flow_dv_matcher_release(dev, dev_handle);
if (dev_handle->dvh.encap_decap)
flow_dv_encap_decap_resource_release(dev, dev_handle);
if (dev_handle->dvh.modify_hdr)
flow_dv_modify_hdr_resource_release(dev_handle);
if (dev_handle->dvh.jump)
flow_dv_jump_tbl_resource_release(dev, dev_handle);
if (dev_handle->dvh.port_id_action)
flow_dv_port_id_action_resource_release(dev,
dev_handle);
if (dev_handle->dvh.push_vlan_res)
flow_dv_push_vlan_action_resource_release(dev,
dev_handle);
if (dev_handle->dvh.tag_resource)
flow_dv_tag_release(dev,
dev_handle->dvh.tag_resource);
rte_free(dev_handle);
}
}
/**
* Query a dv flow rule for its statistics via devx.
*
* @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_count(struct rte_eth_dev *dev, struct rte_flow *flow,
void *data, struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct rte_flow_query_count *qc = data;
if (!priv->config.devx)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"counters are not supported");
if (flow->counter) {
uint64_t pkts, bytes;
struct mlx5_flow_counter *cnt;
cnt = flow_dv_counter_get_by_idx(dev, flow->counter,
NULL);
int err = _flow_dv_query_count(dev, flow->counter, &pkts,
&bytes);
if (err)
return rte_flow_error_set(error, -err,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL, "cannot read counters");
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 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, 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] tbl
* Pointer to the meter table set.
*
* @return
* Always 0.
*/
static int
flow_dv_destroy_mtr_tbl(struct rte_eth_dev *dev,
struct mlx5_meter_domains_infos *tbl)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_meter_domains_infos *mtd =
(struct mlx5_meter_domains_infos *)tbl;
if (!mtd || !priv->config.dv_flow_en)
return 0;
if (mtd->ingress.policer_rules[RTE_MTR_DROPPED])
claim_zero(mlx5_glue->dv_destroy_flow
(mtd->ingress.policer_rules[RTE_MTR_DROPPED]));
if (mtd->egress.policer_rules[RTE_MTR_DROPPED])
claim_zero(mlx5_glue->dv_destroy_flow
(mtd->egress.policer_rules[RTE_MTR_DROPPED]));
if (mtd->transfer.policer_rules[RTE_MTR_DROPPED])
claim_zero(mlx5_glue->dv_destroy_flow
(mtd->transfer.policer_rules[RTE_MTR_DROPPED]));
if (mtd->egress.color_matcher)
claim_zero(mlx5_glue->dv_destroy_flow_matcher
(mtd->egress.color_matcher));
if (mtd->egress.any_matcher)
claim_zero(mlx5_glue->dv_destroy_flow_matcher
(mtd->egress.any_matcher));
if (mtd->egress.tbl)
claim_zero(flow_dv_tbl_resource_release(dev,
mtd->egress.tbl));
if (mtd->egress.sfx_tbl)
claim_zero(flow_dv_tbl_resource_release(dev,
mtd->egress.sfx_tbl));
if (mtd->ingress.color_matcher)
claim_zero(mlx5_glue->dv_destroy_flow_matcher
(mtd->ingress.color_matcher));
if (mtd->ingress.any_matcher)
claim_zero(mlx5_glue->dv_destroy_flow_matcher
(mtd->ingress.any_matcher));
if (mtd->ingress.tbl)
claim_zero(flow_dv_tbl_resource_release(dev,
mtd->ingress.tbl));
if (mtd->ingress.sfx_tbl)
claim_zero(flow_dv_tbl_resource_release(dev,
mtd->ingress.sfx_tbl));
if (mtd->transfer.color_matcher)
claim_zero(mlx5_glue->dv_destroy_flow_matcher
(mtd->transfer.color_matcher));
if (mtd->transfer.any_matcher)
claim_zero(mlx5_glue->dv_destroy_flow_matcher
(mtd->transfer.any_matcher));
if (mtd->transfer.tbl)
claim_zero(flow_dv_tbl_resource_release(dev,
mtd->transfer.tbl));
if (mtd->transfer.sfx_tbl)
claim_zero(flow_dv_tbl_resource_release(dev,
mtd->transfer.sfx_tbl));
if (mtd->drop_actn)
claim_zero(mlx5_glue->destroy_flow_action(mtd->drop_actn));
rte_free(mtd);
return 0;
}
/* Number of meter flow actions, count and jump or count and drop. */
#define METER_ACTIONS 2
/**
* Create specify domain meter table and suffix table.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in,out] mtb
* Pointer to DV meter table set.
* @param[in] egress
* Table attribute.
* @param[in] transfer
* Table attribute.
* @param[in] color_reg_c_idx
* Reg C index for color match.
*
* @return
* 0 on success, -1 otherwise and rte_errno is set.
*/
static int
flow_dv_prepare_mtr_tables(struct rte_eth_dev *dev,
struct mlx5_meter_domains_infos *mtb,
uint8_t egress, uint8_t transfer,
uint32_t color_reg_c_idx)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_ibv_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,
};
void *actions[METER_ACTIONS];
struct mlx5_meter_domain_info *dtb;
struct rte_flow_error error;
int i = 0;
if (transfer)
dtb = &mtb->transfer;
else if (egress)
dtb = &mtb->egress;
else
dtb = &mtb->ingress;
/* Create the meter table with METER level. */
dtb->tbl = flow_dv_tbl_resource_get(dev, MLX5_FLOW_TABLE_LEVEL_METER,
egress, transfer, &error);
if (!dtb->tbl) {
DRV_LOG(ERR, "Failed to create meter policer table.");
return -1;
}
/* Create the meter suffix table with SUFFIX level. */
dtb->sfx_tbl = flow_dv_tbl_resource_get(dev,
MLX5_FLOW_TABLE_LEVEL_SUFFIX,
egress, transfer, &error);
if (!dtb->sfx_tbl) {
DRV_LOG(ERR, "Failed to create meter suffix table.");
return -1;
}
/* Create matchers, Any and Color. */
dv_attr.priority = 3;
dv_attr.match_criteria_enable = 0;
dtb->any_matcher = mlx5_glue->dv_create_flow_matcher(sh->ctx,
&dv_attr,
dtb->tbl->obj);
if (!dtb->any_matcher) {
DRV_LOG(ERR, "Failed to create meter"
" policer default matcher.");
goto error_exit;
}
dv_attr.priority = 0;
dv_attr.match_criteria_enable =
1 << MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT;
flow_dv_match_meta_reg(mask.buf, value.buf, color_reg_c_idx,
rte_col_2_mlx5_col(RTE_COLORS), UINT8_MAX);
dtb->color_matcher = mlx5_glue->dv_create_flow_matcher(sh->ctx,
&dv_attr,
dtb->tbl->obj);
if (!dtb->color_matcher) {
DRV_LOG(ERR, "Failed to create meter policer color matcher.");
goto error_exit;
}
if (mtb->count_actns[RTE_MTR_DROPPED])
actions[i++] = mtb->count_actns[RTE_MTR_DROPPED];
actions[i++] = mtb->drop_actn;
/* Default rule: lowest priority, match any, actions: drop. */
dtb->policer_rules[RTE_MTR_DROPPED] =
mlx5_glue->dv_create_flow(dtb->any_matcher,
(void *)&value, i, actions);
if (!dtb->policer_rules[RTE_MTR_DROPPED]) {
DRV_LOG(ERR, "Failed to create meter policer drop rule.");
goto error_exit;
}
return 0;
error_exit:
return -1;
}
/**
* Create the needed meter and suffix tables.
* Lock free, (mutex should be acquired by caller).
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] fm
* Pointer to the flow meter.
*
* @return
* Pointer to table set on success, NULL otherwise and rte_errno is set.
*/
static struct mlx5_meter_domains_infos *
flow_dv_create_mtr_tbl(struct rte_eth_dev *dev,
const struct mlx5_flow_meter *fm)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_meter_domains_infos *mtb;
int ret;
int i;
if (!priv->mtr_en) {
rte_errno = ENOTSUP;
return NULL;
}
mtb = rte_calloc(__func__, 1, sizeof(*mtb), 0);
if (!mtb) {
DRV_LOG(ERR, "Failed to allocate memory for meter.");
return NULL;
}
/* Create meter count actions */
for (i = 0; i <= RTE_MTR_DROPPED; i++) {
struct mlx5_flow_counter *cnt;
if (!fm->policer_stats.cnt[i])
continue;
cnt = flow_dv_counter_get_by_idx(dev,
fm->policer_stats.cnt[i], NULL);
mtb->count_actns[i] = cnt->action;
}
/* Create drop action. */
mtb->drop_actn = mlx5_glue->dr_create_flow_action_drop();
if (!mtb->drop_actn) {
DRV_LOG(ERR, "Failed to create drop action.");
goto error_exit;
}
/* Egress meter table. */
ret = flow_dv_prepare_mtr_tables(dev, mtb, 1, 0, priv->mtr_color_reg);
if (ret) {
DRV_LOG(ERR, "Failed to prepare egress meter table.");
goto error_exit;
}
/* Ingress meter table. */
ret = flow_dv_prepare_mtr_tables(dev, mtb, 0, 0, priv->mtr_color_reg);
if (ret) {
DRV_LOG(ERR, "Failed to prepare ingress meter table.");
goto error_exit;
}
/* FDB meter table. */
if (priv->config.dv_esw_en) {
ret = flow_dv_prepare_mtr_tables(dev, mtb, 0, 1,
priv->mtr_color_reg);
if (ret) {
DRV_LOG(ERR, "Failed to prepare fdb meter table.");
goto error_exit;
}
}
return mtb;
error_exit:
flow_dv_destroy_mtr_tbl(dev, mtb);
return NULL;
}
/**
* Destroy domain policer rule.
*
* @param[in] dt
* Pointer to domain table.
*/
static void
flow_dv_destroy_domain_policer_rule(struct mlx5_meter_domain_info *dt)
{
int i;
for (i = 0; i < RTE_MTR_DROPPED; i++) {
if (dt->policer_rules[i]) {
claim_zero(mlx5_glue->dv_destroy_flow
(dt->policer_rules[i]));
dt->policer_rules[i] = NULL;
}
}
if (dt->jump_actn) {
claim_zero(mlx5_glue->destroy_flow_action(dt->jump_actn));
dt->jump_actn = NULL;
}
}
/**
* Destroy policer rules.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] fm
* Pointer to flow meter structure.
* @param[in] attr
* Pointer to flow attributes.
*
* @return
* Always 0.
*/
static int
flow_dv_destroy_policer_rules(struct rte_eth_dev *dev __rte_unused,
const struct mlx5_flow_meter *fm,
const struct rte_flow_attr *attr)
{
struct mlx5_meter_domains_infos *mtb = fm ? fm->mfts : NULL;
if (!mtb)
return 0;
if (attr->egress)
flow_dv_destroy_domain_policer_rule(&mtb->egress);
if (attr->ingress)
flow_dv_destroy_domain_policer_rule(&mtb->ingress);
if (attr->transfer)
flow_dv_destroy_domain_policer_rule(&mtb->transfer);
return 0;
}
/**
* Create specify domain meter policer rule.
*
* @param[in] fm
* Pointer to flow meter structure.
* @param[in] mtb
* Pointer to DV meter table set.
* @param[in] mtr_reg_c
* Color match REG_C.
*
* @return
* 0 on success, -1 otherwise.
*/
static int
flow_dv_create_policer_forward_rule(struct mlx5_flow_meter *fm,
struct mlx5_meter_domain_info *dtb,
uint8_t mtr_reg_c)
{
struct mlx5_flow_dv_match_params matcher = {
.size = sizeof(matcher.buf),
};
struct mlx5_flow_dv_match_params value = {
.size = sizeof(value.buf),
};
struct mlx5_meter_domains_infos *mtb = fm->mfts;
void *actions[METER_ACTIONS];
int i;
/* Create jump action. */
if (!dtb->jump_actn)
dtb->jump_actn =
mlx5_glue->dr_create_flow_action_dest_flow_tbl
(dtb->sfx_tbl->obj);
if (!dtb->jump_actn) {
DRV_LOG(ERR, "Failed to create policer jump action.");
goto error;
}
for (i = 0; i < RTE_MTR_DROPPED; i++) {
int j = 0;
flow_dv_match_meta_reg(matcher.buf, value.buf, mtr_reg_c,
rte_col_2_mlx5_col(i), UINT8_MAX);
if (mtb->count_actns[i])
actions[j++] = mtb->count_actns[i];
if (fm->params.action[i] == MTR_POLICER_ACTION_DROP)
actions[j++] = mtb->drop_actn;
else
actions[j++] = dtb->jump_actn;
dtb->policer_rules[i] =
mlx5_glue->dv_create_flow(dtb->color_matcher,
(void *)&value,
j, actions);
if (!dtb->policer_rules[i]) {
DRV_LOG(ERR, "Failed to create policer rule.");
goto error;
}
}
return 0;
error:
rte_errno = errno;
return -1;
}
/**
* Create policer rules.
*
* @param[in] dev
* Pointer to Ethernet device.
* @param[in] fm
* Pointer to flow meter structure.
* @param[in] attr
* Pointer to flow attributes.
*
* @return
* 0 on success, -1 otherwise.
*/
static int
flow_dv_create_policer_rules(struct rte_eth_dev *dev,
struct mlx5_flow_meter *fm,
const struct rte_flow_attr *attr)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_meter_domains_infos *mtb = fm->mfts;
int ret;
if (attr->egress) {
ret = flow_dv_create_policer_forward_rule(fm, &mtb->egress,
priv->mtr_color_reg);
if (ret) {
DRV_LOG(ERR, "Failed to create egress policer.");
goto error;
}
}
if (attr->ingress) {
ret = flow_dv_create_policer_forward_rule(fm, &mtb->ingress,
priv->mtr_color_reg);
if (ret) {
DRV_LOG(ERR, "Failed to create ingress policer.");
goto error;
}
}
if (attr->transfer) {
ret = flow_dv_create_policer_forward_rule(fm, &mtb->transfer,
priv->mtr_color_reg);
if (ret) {
DRV_LOG(ERR, "Failed to create transfer policer.");
goto error;
}
}
return 0;
error:
flow_dv_destroy_policer_rules(dev, fm, attr);
return -1;
}
/**
* 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->config.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;
}
/*
* Mutex-protected thunk to lock-free __flow_dv_translate().
*/
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)
{
int ret;
flow_dv_shared_lock(dev);
ret = __flow_dv_translate(dev, dev_flow, attr, items, actions, error);
flow_dv_shared_unlock(dev);
return ret;
}
/*
* Mutex-protected thunk to lock-free __flow_dv_apply().
*/
static int
flow_dv_apply(struct rte_eth_dev *dev,
struct rte_flow *flow,
struct rte_flow_error *error)
{
int ret;
flow_dv_shared_lock(dev);
ret = __flow_dv_apply(dev, flow, error);
flow_dv_shared_unlock(dev);
return ret;
}
/*
* Mutex-protected thunk to lock-free __flow_dv_remove().
*/
static void
flow_dv_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
{
flow_dv_shared_lock(dev);
__flow_dv_remove(dev, flow);
flow_dv_shared_unlock(dev);
}
/*
* Mutex-protected thunk to lock-free __flow_dv_destroy().
*/
static void
flow_dv_destroy(struct rte_eth_dev *dev, struct rte_flow *flow)
{
flow_dv_shared_lock(dev);
__flow_dv_destroy(dev, flow);
flow_dv_shared_unlock(dev);
}
/*
* Mutex-protected thunk to lock-free flow_dv_counter_alloc().
*/
static uint32_t
flow_dv_counter_allocate(struct rte_eth_dev *dev)
{
uint32_t cnt;
flow_dv_shared_lock(dev);
cnt = flow_dv_counter_alloc(dev, 0, 0, 1);
flow_dv_shared_unlock(dev);
return cnt;
}
/*
* Mutex-protected thunk to lock-free flow_dv_counter_release().
*/
static void
flow_dv_counter_free(struct rte_eth_dev *dev, uint32_t cnt)
{
flow_dv_shared_lock(dev);
flow_dv_counter_release(dev, cnt);
flow_dv_shared_unlock(dev);
}
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_tbl,
.destroy_mtr_tbls = flow_dv_destroy_mtr_tbl,
.create_policer_rules = flow_dv_create_policer_rules,
.destroy_policer_rules = flow_dv_destroy_policer_rules,
.counter_alloc = flow_dv_counter_allocate,
.counter_free = flow_dv_counter_free,
.counter_query = flow_dv_counter_query,
};
#endif /* HAVE_IBV_FLOW_DV_SUPPORT */
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