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7d83c152a2
numam-dpdk/drivers/net/i40e/i40e_flow.c
Beilei Xing 7d83c152a2 net/i40e: parse flow director filter 
This patch adds i40e_flow_parse_fdir_filter to check
if a rule is a flow director rule according to the
flow pattern, and the function also gets the flow
director info.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
2017-01-17 19:40:53 +01:00

1116 lines
32 KiB
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/*-
* BSD LICENSE
*
* Copyright (c) 2016 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/queue.h>
#include <stdio.h>
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_log.h>
#include <rte_memzone.h>
#include <rte_malloc.h>
#include <rte_eth_ctrl.h>
#include <rte_tailq.h>
#include <rte_flow_driver.h>
#include "i40e_logs.h"
#include "base/i40e_type.h"
#include "base/i40e_prototype.h"
#include "i40e_ethdev.h"
#define I40E_IPV4_TC_SHIFT 4
#define I40E_IPV6_TC_MASK (0x00FF << I40E_IPV4_TC_SHIFT)
#define I40E_IPV6_FRAG_HEADER 44
static int i40e_flow_validate(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item pattern[],
const struct rte_flow_action actions[],
struct rte_flow_error *error);
static int
i40e_flow_parse_ethertype_pattern(struct rte_eth_dev *dev,
const struct rte_flow_item *pattern,
struct rte_flow_error *error,
struct rte_eth_ethertype_filter *filter);
static int i40e_flow_parse_ethertype_action(struct rte_eth_dev *dev,
const struct rte_flow_action *actions,
struct rte_flow_error *error,
struct rte_eth_ethertype_filter *filter);
static int i40e_flow_parse_fdir_pattern(struct rte_eth_dev *dev,
const struct rte_flow_item *pattern,
struct rte_flow_error *error,
struct rte_eth_fdir_filter *filter);
static int i40e_flow_parse_fdir_action(struct rte_eth_dev *dev,
const struct rte_flow_action *actions,
struct rte_flow_error *error,
struct rte_eth_fdir_filter *filter);
static int i40e_flow_parse_attr(const struct rte_flow_attr *attr,
struct rte_flow_error *error);
static int i40e_flow_parse_ethertype_filter(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item pattern[],
const struct rte_flow_action actions[],
struct rte_flow_error *error,
union i40e_filter_t *filter);
static int i40e_flow_parse_fdir_filter(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item pattern[],
const struct rte_flow_action actions[],
struct rte_flow_error *error,
union i40e_filter_t *filter);
const struct rte_flow_ops i40e_flow_ops = {
.validate = i40e_flow_validate,
};
union i40e_filter_t cons_filter;
/* Pattern matched ethertype filter */
static enum rte_flow_item_type pattern_ethertype[] = {
RTE_FLOW_ITEM_TYPE_ETH,
RTE_FLOW_ITEM_TYPE_END,
};
/* Pattern matched flow director filter */
static enum rte_flow_item_type pattern_fdir_ipv4[] = {
RTE_FLOW_ITEM_TYPE_IPV4,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv4_ext[] = {
RTE_FLOW_ITEM_TYPE_ETH,
RTE_FLOW_ITEM_TYPE_IPV4,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv4_udp[] = {
RTE_FLOW_ITEM_TYPE_IPV4,
RTE_FLOW_ITEM_TYPE_UDP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv4_udp_ext[] = {
RTE_FLOW_ITEM_TYPE_ETH,
RTE_FLOW_ITEM_TYPE_IPV4,
RTE_FLOW_ITEM_TYPE_UDP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv4_tcp[] = {
RTE_FLOW_ITEM_TYPE_IPV4,
RTE_FLOW_ITEM_TYPE_TCP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv4_tcp_ext[] = {
RTE_FLOW_ITEM_TYPE_ETH,
RTE_FLOW_ITEM_TYPE_IPV4,
RTE_FLOW_ITEM_TYPE_TCP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv4_sctp[] = {
RTE_FLOW_ITEM_TYPE_IPV4,
RTE_FLOW_ITEM_TYPE_SCTP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv4_sctp_ext[] = {
RTE_FLOW_ITEM_TYPE_ETH,
RTE_FLOW_ITEM_TYPE_IPV4,
RTE_FLOW_ITEM_TYPE_SCTP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv6[] = {
RTE_FLOW_ITEM_TYPE_IPV6,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv6_ext[] = {
RTE_FLOW_ITEM_TYPE_ETH,
RTE_FLOW_ITEM_TYPE_IPV6,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv6_udp[] = {
RTE_FLOW_ITEM_TYPE_IPV6,
RTE_FLOW_ITEM_TYPE_UDP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv6_udp_ext[] = {
RTE_FLOW_ITEM_TYPE_ETH,
RTE_FLOW_ITEM_TYPE_IPV6,
RTE_FLOW_ITEM_TYPE_UDP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv6_tcp[] = {
RTE_FLOW_ITEM_TYPE_IPV6,
RTE_FLOW_ITEM_TYPE_TCP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv6_tcp_ext[] = {
RTE_FLOW_ITEM_TYPE_ETH,
RTE_FLOW_ITEM_TYPE_IPV6,
RTE_FLOW_ITEM_TYPE_TCP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv6_sctp[] = {
RTE_FLOW_ITEM_TYPE_IPV6,
RTE_FLOW_ITEM_TYPE_SCTP,
RTE_FLOW_ITEM_TYPE_END,
};
static enum rte_flow_item_type pattern_fdir_ipv6_sctp_ext[] = {
RTE_FLOW_ITEM_TYPE_ETH,
RTE_FLOW_ITEM_TYPE_IPV6,
RTE_FLOW_ITEM_TYPE_SCTP,
RTE_FLOW_ITEM_TYPE_END,
};
static struct i40e_valid_pattern i40e_supported_patterns[] = {
/* Ethertype */
{ pattern_ethertype, i40e_flow_parse_ethertype_filter },
/* FDIR */
{ pattern_fdir_ipv4, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv4_ext, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv4_udp, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv4_udp_ext, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv4_tcp, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv4_tcp_ext, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv4_sctp, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv4_sctp_ext, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv6, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv6_ext, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv6_udp, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv6_udp_ext, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv6_tcp, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv6_tcp_ext, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv6_sctp, i40e_flow_parse_fdir_filter },
{ pattern_fdir_ipv6_sctp_ext, i40e_flow_parse_fdir_filter },
};
#define NEXT_ITEM_OF_ACTION(act, actions, index) \
do { \
act = actions + index; \
while (act->type == RTE_FLOW_ACTION_TYPE_VOID) { \
index++; \
act = actions + index; \
} \
} while (0)
/* Find the first VOID or non-VOID item pointer */
static const struct rte_flow_item *
i40e_find_first_item(const struct rte_flow_item *item, bool is_void)
{
bool is_find;
while (item->type != RTE_FLOW_ITEM_TYPE_END) {
if (is_void)
is_find = item->type == RTE_FLOW_ITEM_TYPE_VOID;
else
is_find = item->type != RTE_FLOW_ITEM_TYPE_VOID;
if (is_find)
break;
item++;
}
return item;
}
/* Skip all VOID items of the pattern */
static void
i40e_pattern_skip_void_item(struct rte_flow_item *items,
const struct rte_flow_item *pattern)
{
uint32_t cpy_count = 0;
const struct rte_flow_item *pb = pattern, *pe = pattern;
for (;;) {
/* Find a non-void item first */
pb = i40e_find_first_item(pb, false);
if (pb->type == RTE_FLOW_ITEM_TYPE_END) {
pe = pb;
break;
}
/* Find a void item */
pe = i40e_find_first_item(pb + 1, true);
cpy_count = pe - pb;
rte_memcpy(items, pb, sizeof(struct rte_flow_item) * cpy_count);
items += cpy_count;
if (pe->type == RTE_FLOW_ITEM_TYPE_END) {
pb = pe;
break;
}
pb = pe + 1;
}
/* Copy the END item. */
rte_memcpy(items, pe, sizeof(struct rte_flow_item));
}
/* Check if the pattern matches a supported item type array */
static bool
i40e_match_pattern(enum rte_flow_item_type *item_array,
struct rte_flow_item *pattern)
{
struct rte_flow_item *item = pattern;
while ((*item_array == item->type) &&
(*item_array != RTE_FLOW_ITEM_TYPE_END)) {
item_array++;
item++;
}
return (*item_array == RTE_FLOW_ITEM_TYPE_END &&
item->type == RTE_FLOW_ITEM_TYPE_END);
}
/* Find if there's parse filter function matched */
static parse_filter_t
i40e_find_parse_filter_func(struct rte_flow_item *pattern)
{
parse_filter_t parse_filter = NULL;
uint8_t i = 0;
for (; i < RTE_DIM(i40e_supported_patterns); i++) {
if (i40e_match_pattern(i40e_supported_patterns[i].items,
pattern)) {
parse_filter = i40e_supported_patterns[i].parse_filter;
break;
}
}
return parse_filter;
}
/* Parse attributes */
static int
i40e_flow_parse_attr(const struct rte_flow_attr *attr,
struct rte_flow_error *error)
{
/* Must be input direction */
if (!attr->ingress) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
attr, "Only support ingress.");
return -rte_errno;
}
/* Not supported */
if (attr->egress) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
attr, "Not support egress.");
return -rte_errno;
}
/* Not supported */
if (attr->priority) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
attr, "Not support priority.");
return -rte_errno;
}
/* Not supported */
if (attr->group) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
attr, "Not support group.");
return -rte_errno;
}
return 0;
}
static uint16_t
i40e_get_outer_vlan(struct rte_eth_dev *dev)
{
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
int qinq = dev->data->dev_conf.rxmode.hw_vlan_extend;
uint64_t reg_r = 0;
uint16_t reg_id;
uint16_t tpid;
if (qinq)
reg_id = 2;
else
reg_id = 3;
i40e_aq_debug_read_register(hw, I40E_GL_SWT_L2TAGCTRL(reg_id),
&reg_r, NULL);
tpid = (reg_r >> I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_SHIFT) & 0xFFFF;
return tpid;
}
/* 1. Last in item should be NULL as range is not supported.
* 2. Supported filter types: MAC_ETHTYPE and ETHTYPE.
* 3. SRC mac_addr mask should be 00:00:00:00:00:00.
* 4. DST mac_addr mask should be 00:00:00:00:00:00 or
* FF:FF:FF:FF:FF:FF
* 5. Ether_type mask should be 0xFFFF.
*/
static int
i40e_flow_parse_ethertype_pattern(struct rte_eth_dev *dev,
const struct rte_flow_item *pattern,
struct rte_flow_error *error,
struct rte_eth_ethertype_filter *filter)
{
const struct rte_flow_item *item = pattern;
const struct rte_flow_item_eth *eth_spec;
const struct rte_flow_item_eth *eth_mask;
enum rte_flow_item_type item_type;
uint16_t outer_tpid;
outer_tpid = i40e_get_outer_vlan(dev);
for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
if (item->last) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Not support range");
return -rte_errno;
}
item_type = item->type;
switch (item_type) {
case RTE_FLOW_ITEM_TYPE_ETH:
eth_spec = (const struct rte_flow_item_eth *)item->spec;
eth_mask = (const struct rte_flow_item_eth *)item->mask;
/* Get the MAC info. */
if (!eth_spec || !eth_mask) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"NULL ETH spec/mask");
return -rte_errno;
}
/* Mask bits of source MAC address must be full of 0.
* Mask bits of destination MAC address must be full
* of 1 or full of 0.
*/
if (!is_zero_ether_addr(&eth_mask->src) ||
(!is_zero_ether_addr(&eth_mask->dst) &&
!is_broadcast_ether_addr(&eth_mask->dst))) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid MAC_addr mask");
return -rte_errno;
}
if ((eth_mask->type & UINT16_MAX) != UINT16_MAX) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid ethertype mask");
return -rte_errno;
}
/* If mask bits of destination MAC address
* are full of 1, set RTE_ETHTYPE_FLAGS_MAC.
*/
if (is_broadcast_ether_addr(&eth_mask->dst)) {
filter->mac_addr = eth_spec->dst;
filter->flags |= RTE_ETHTYPE_FLAGS_MAC;
} else {
filter->flags &= ~RTE_ETHTYPE_FLAGS_MAC;
}
filter->ether_type = rte_be_to_cpu_16(eth_spec->type);
if (filter->ether_type == ETHER_TYPE_IPv4 ||
filter->ether_type == ETHER_TYPE_IPv6 ||
filter->ether_type == outer_tpid) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Unsupported ether_type in"
" control packet filter.");
return -rte_errno;
}
break;
default:
break;
}
}
return 0;
}
/* Ethertype action only supports QUEUE or DROP. */
static int
i40e_flow_parse_ethertype_action(struct rte_eth_dev *dev,
const struct rte_flow_action *actions,
struct rte_flow_error *error,
struct rte_eth_ethertype_filter *filter)
{
struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
const struct rte_flow_action *act;
const struct rte_flow_action_queue *act_q;
uint32_t index = 0;
/* Check if the first non-void action is QUEUE or DROP. */
NEXT_ITEM_OF_ACTION(act, actions, index);
if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE &&
act->type != RTE_FLOW_ACTION_TYPE_DROP) {
rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
act, "Not supported action.");
return -rte_errno;
}
if (act->type == RTE_FLOW_ACTION_TYPE_QUEUE) {
act_q = (const struct rte_flow_action_queue *)act->conf;
filter->queue = act_q->index;
if (filter->queue >= pf->dev_data->nb_rx_queues) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
act, "Invalid queue ID for"
" ethertype_filter.");
return -rte_errno;
}
} else {
filter->flags |= RTE_ETHTYPE_FLAGS_DROP;
}
/* Check if the next non-void item is END */
index++;
NEXT_ITEM_OF_ACTION(act, actions, index);
if (act->type != RTE_FLOW_ACTION_TYPE_END) {
rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
act, "Not supported action.");
return -rte_errno;
}
return 0;
}
static int
i40e_flow_parse_ethertype_filter(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item pattern[],
const struct rte_flow_action actions[],
struct rte_flow_error *error,
union i40e_filter_t *filter)
{
struct rte_eth_ethertype_filter *ethertype_filter =
&filter->ethertype_filter;
int ret;
ret = i40e_flow_parse_ethertype_pattern(dev, pattern, error,
ethertype_filter);
if (ret)
return ret;
ret = i40e_flow_parse_ethertype_action(dev, actions, error,
ethertype_filter);
if (ret)
return ret;
ret = i40e_flow_parse_attr(attr, error);
if (ret)
return ret;
return ret;
}
/* 1. Last in item should be NULL as range is not supported.
* 2. Supported flow type and input set: refer to array
* default_inset_table in i40e_ethdev.c.
* 3. Mask of fields which need to be matched should be
* filled with 1.
* 4. Mask of fields which needn't to be matched should be
* filled with 0.
*/
static int
i40e_flow_parse_fdir_pattern(struct rte_eth_dev *dev,
const struct rte_flow_item *pattern,
struct rte_flow_error *error,
struct rte_eth_fdir_filter *filter)
{
struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
const struct rte_flow_item *item = pattern;
const struct rte_flow_item_eth *eth_spec, *eth_mask;
const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
const struct rte_flow_item_udp *udp_spec, *udp_mask;
const struct rte_flow_item_sctp *sctp_spec, *sctp_mask;
const struct rte_flow_item_vf *vf_spec;
uint32_t flow_type = RTE_ETH_FLOW_UNKNOWN;
enum i40e_filter_pctype pctype;
uint64_t input_set = I40E_INSET_NONE;
uint16_t flag_offset;
enum rte_flow_item_type item_type;
enum rte_flow_item_type l3 = RTE_FLOW_ITEM_TYPE_END;
uint32_t j;
for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
if (item->last) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Not support range");
return -rte_errno;
}
item_type = item->type;
switch (item_type) {
case RTE_FLOW_ITEM_TYPE_ETH:
eth_spec = (const struct rte_flow_item_eth *)item->spec;
eth_mask = (const struct rte_flow_item_eth *)item->mask;
if (eth_spec || eth_mask) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid ETH spec/mask");
return -rte_errno;
}
break;
case RTE_FLOW_ITEM_TYPE_IPV4:
l3 = RTE_FLOW_ITEM_TYPE_IPV4;
ipv4_spec =
(const struct rte_flow_item_ipv4 *)item->spec;
ipv4_mask =
(const struct rte_flow_item_ipv4 *)item->mask;
if (!ipv4_spec || !ipv4_mask) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"NULL IPv4 spec/mask");
return -rte_errno;
}
/* Check IPv4 mask and update input set */
if (ipv4_mask->hdr.version_ihl ||
ipv4_mask->hdr.total_length ||
ipv4_mask->hdr.packet_id ||
ipv4_mask->hdr.fragment_offset ||
ipv4_mask->hdr.hdr_checksum) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid IPv4 mask.");
return -rte_errno;
}
if (ipv4_mask->hdr.src_addr == UINT32_MAX)
input_set |= I40E_INSET_IPV4_SRC;
if (ipv4_mask->hdr.dst_addr == UINT32_MAX)
input_set |= I40E_INSET_IPV4_DST;
if (ipv4_mask->hdr.type_of_service == UINT8_MAX)
input_set |= I40E_INSET_IPV4_TOS;
if (ipv4_mask->hdr.time_to_live == UINT8_MAX)
input_set |= I40E_INSET_IPV4_TTL;
if (ipv4_mask->hdr.next_proto_id == UINT8_MAX)
input_set |= I40E_INSET_IPV4_PROTO;
/* Get filter info */
flow_type = RTE_ETH_FLOW_NONFRAG_IPV4_OTHER;
/* Check if it is fragment. */
flag_offset =
rte_be_to_cpu_16(ipv4_spec->hdr.fragment_offset);
if (flag_offset & IPV4_HDR_OFFSET_MASK ||
flag_offset & IPV4_HDR_MF_FLAG)
flow_type = RTE_ETH_FLOW_FRAG_IPV4;
/* Get the filter info */
filter->input.flow.ip4_flow.proto =
ipv4_spec->hdr.next_proto_id;
filter->input.flow.ip4_flow.tos =
ipv4_spec->hdr.type_of_service;
filter->input.flow.ip4_flow.ttl =
ipv4_spec->hdr.time_to_live;
filter->input.flow.ip4_flow.src_ip =
ipv4_spec->hdr.src_addr;
filter->input.flow.ip4_flow.dst_ip =
ipv4_spec->hdr.dst_addr;
break;
case RTE_FLOW_ITEM_TYPE_IPV6:
l3 = RTE_FLOW_ITEM_TYPE_IPV6;
ipv6_spec =
(const struct rte_flow_item_ipv6 *)item->spec;
ipv6_mask =
(const struct rte_flow_item_ipv6 *)item->mask;
if (!ipv6_spec || !ipv6_mask) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"NULL IPv6 spec/mask");
return -rte_errno;
}
/* Check IPv6 mask and update input set */
if (ipv6_mask->hdr.payload_len) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid IPv6 mask");
return -rte_errno;
}
/* SCR and DST address of IPv6 shouldn't be masked */
for (j = 0; j < RTE_DIM(ipv6_mask->hdr.src_addr); j++) {
if (ipv6_mask->hdr.src_addr[j] != UINT8_MAX ||
ipv6_mask->hdr.dst_addr[j] != UINT8_MAX) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid IPv6 mask");
return -rte_errno;
}
}
input_set |= I40E_INSET_IPV6_SRC;
input_set |= I40E_INSET_IPV6_DST;
if ((ipv6_mask->hdr.vtc_flow &
rte_cpu_to_be_16(I40E_IPV6_TC_MASK))
== rte_cpu_to_be_16(I40E_IPV6_TC_MASK))
input_set |= I40E_INSET_IPV6_TC;
if (ipv6_mask->hdr.proto == UINT8_MAX)
input_set |= I40E_INSET_IPV6_NEXT_HDR;
if (ipv6_mask->hdr.hop_limits == UINT8_MAX)
input_set |= I40E_INSET_IPV6_HOP_LIMIT;
/* Get filter info */
filter->input.flow.ipv6_flow.tc =
(uint8_t)(ipv6_spec->hdr.vtc_flow <<
I40E_IPV4_TC_SHIFT);
filter->input.flow.ipv6_flow.proto =
ipv6_spec->hdr.proto;
filter->input.flow.ipv6_flow.hop_limits =
ipv6_spec->hdr.hop_limits;
rte_memcpy(filter->input.flow.ipv6_flow.src_ip,
ipv6_spec->hdr.src_addr, 16);
rte_memcpy(filter->input.flow.ipv6_flow.dst_ip,
ipv6_spec->hdr.dst_addr, 16);
/* Check if it is fragment. */
if (ipv6_spec->hdr.proto == I40E_IPV6_FRAG_HEADER)
flow_type = RTE_ETH_FLOW_FRAG_IPV6;
else
flow_type = RTE_ETH_FLOW_NONFRAG_IPV6_OTHER;
break;
case RTE_FLOW_ITEM_TYPE_TCP:
tcp_spec = (const struct rte_flow_item_tcp *)item->spec;
tcp_mask = (const struct rte_flow_item_tcp *)item->mask;
if (!tcp_spec || !tcp_mask) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"NULL TCP spec/mask");
return -rte_errno;
}
/* Check TCP mask and update input set */
if (tcp_mask->hdr.sent_seq ||
tcp_mask->hdr.recv_ack ||
tcp_mask->hdr.data_off ||
tcp_mask->hdr.tcp_flags ||
tcp_mask->hdr.rx_win ||
tcp_mask->hdr.cksum ||
tcp_mask->hdr.tcp_urp) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid TCP mask");
return -rte_errno;
}
if (tcp_mask->hdr.src_port != UINT16_MAX ||
tcp_mask->hdr.dst_port != UINT16_MAX) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid TCP mask");
return -rte_errno;
}
input_set |= I40E_INSET_SRC_PORT;
input_set |= I40E_INSET_DST_PORT;
/* Get filter info */
if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
flow_type = RTE_ETH_FLOW_NONFRAG_IPV4_TCP;
else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
flow_type = RTE_ETH_FLOW_NONFRAG_IPV6_TCP;
if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
filter->input.flow.tcp4_flow.src_port =
tcp_spec->hdr.src_port;
filter->input.flow.tcp4_flow.dst_port =
tcp_spec->hdr.dst_port;
} else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
filter->input.flow.tcp6_flow.src_port =
tcp_spec->hdr.src_port;
filter->input.flow.tcp6_flow.dst_port =
tcp_spec->hdr.dst_port;
}
break;
case RTE_FLOW_ITEM_TYPE_UDP:
udp_spec = (const struct rte_flow_item_udp *)item->spec;
udp_mask = (const struct rte_flow_item_udp *)item->mask;
if (!udp_spec || !udp_mask) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"NULL UDP spec/mask");
return -rte_errno;
}
/* Check UDP mask and update input set*/
if (udp_mask->hdr.dgram_len ||
udp_mask->hdr.dgram_cksum) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid UDP mask");
return -rte_errno;
}
if (udp_mask->hdr.src_port != UINT16_MAX ||
udp_mask->hdr.dst_port != UINT16_MAX) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid UDP mask");
return -rte_errno;
}
input_set |= I40E_INSET_SRC_PORT;
input_set |= I40E_INSET_DST_PORT;
/* Get filter info */
if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
flow_type =
RTE_ETH_FLOW_NONFRAG_IPV4_UDP;
else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
flow_type =
RTE_ETH_FLOW_NONFRAG_IPV6_UDP;
if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
filter->input.flow.udp4_flow.src_port =
udp_spec->hdr.src_port;
filter->input.flow.udp4_flow.dst_port =
udp_spec->hdr.dst_port;
} else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
filter->input.flow.udp6_flow.src_port =
udp_spec->hdr.src_port;
filter->input.flow.udp6_flow.dst_port =
udp_spec->hdr.dst_port;
}
break;
case RTE_FLOW_ITEM_TYPE_SCTP:
sctp_spec =
(const struct rte_flow_item_sctp *)item->spec;
sctp_mask =
(const struct rte_flow_item_sctp *)item->mask;
if (!sctp_spec || !sctp_mask) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"NULL SCTP spec/mask");
return -rte_errno;
}
/* Check SCTP mask and update input set */
if (sctp_mask->hdr.cksum) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid UDP mask");
return -rte_errno;
}
if (sctp_mask->hdr.src_port != UINT16_MAX ||
sctp_mask->hdr.dst_port != UINT16_MAX ||
sctp_mask->hdr.tag != UINT32_MAX) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid UDP mask");
return -rte_errno;
}
input_set |= I40E_INSET_SRC_PORT;
input_set |= I40E_INSET_DST_PORT;
input_set |= I40E_INSET_SCTP_VT;
/* Get filter info */
if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
flow_type = RTE_ETH_FLOW_NONFRAG_IPV4_SCTP;
else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
flow_type = RTE_ETH_FLOW_NONFRAG_IPV6_SCTP;
if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
filter->input.flow.sctp4_flow.src_port =
sctp_spec->hdr.src_port;
filter->input.flow.sctp4_flow.dst_port =
sctp_spec->hdr.dst_port;
filter->input.flow.sctp4_flow.verify_tag =
sctp_spec->hdr.tag;
} else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
filter->input.flow.sctp6_flow.src_port =
sctp_spec->hdr.src_port;
filter->input.flow.sctp6_flow.dst_port =
sctp_spec->hdr.dst_port;
filter->input.flow.sctp6_flow.verify_tag =
sctp_spec->hdr.tag;
}
break;
case RTE_FLOW_ITEM_TYPE_VF:
vf_spec = (const struct rte_flow_item_vf *)item->spec;
filter->input.flow_ext.is_vf = 1;
filter->input.flow_ext.dst_id = vf_spec->id;
if (filter->input.flow_ext.is_vf &&
filter->input.flow_ext.dst_id >= pf->vf_num) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"Invalid VF ID for FDIR.");
return -rte_errno;
}
break;
default:
break;
}
}
pctype = i40e_flowtype_to_pctype(flow_type);
if (pctype == 0 || pctype > I40E_FILTER_PCTYPE_L2_PAYLOAD) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Unsupported flow type");
return -rte_errno;
}
if (input_set != i40e_get_default_input_set(pctype)) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM, item,
"Invalid input set.");
return -rte_errno;
}
filter->input.flow_type = flow_type;
return 0;
}
/* Parse to get the action info of a FDIR filter.
* FDIR action supports QUEUE or (QUEUE + MARK).
*/
static int
i40e_flow_parse_fdir_action(struct rte_eth_dev *dev,
const struct rte_flow_action *actions,
struct rte_flow_error *error,
struct rte_eth_fdir_filter *filter)
{
struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
const struct rte_flow_action *act;
const struct rte_flow_action_queue *act_q;
const struct rte_flow_action_mark *mark_spec;
uint32_t index = 0;
/* Check if the first non-void action is QUEUE or DROP. */
NEXT_ITEM_OF_ACTION(act, actions, index);
if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE &&
act->type != RTE_FLOW_ACTION_TYPE_DROP) {
rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
act, "Invalid action.");
return -rte_errno;
}
act_q = (const struct rte_flow_action_queue *)act->conf;
filter->action.flex_off = 0;
if (act->type == RTE_FLOW_ACTION_TYPE_QUEUE)
filter->action.behavior = RTE_ETH_FDIR_ACCEPT;
else
filter->action.behavior = RTE_ETH_FDIR_REJECT;
filter->action.report_status = RTE_ETH_FDIR_REPORT_ID;
filter->action.rx_queue = act_q->index;
if (filter->action.rx_queue >= pf->dev_data->nb_rx_queues) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION, act,
"Invalid queue ID for FDIR.");
return -rte_errno;
}
/* Check if the next non-void item is MARK or END. */
index++;
NEXT_ITEM_OF_ACTION(act, actions, index);
if (act->type != RTE_FLOW_ACTION_TYPE_MARK &&
act->type != RTE_FLOW_ACTION_TYPE_END) {
rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
act, "Invalid action.");
return -rte_errno;
}
if (act->type == RTE_FLOW_ACTION_TYPE_MARK) {
mark_spec = (const struct rte_flow_action_mark *)act->conf;
filter->soft_id = mark_spec->id;
/* Check if the next non-void item is END */
index++;
NEXT_ITEM_OF_ACTION(act, actions, index);
if (act->type != RTE_FLOW_ACTION_TYPE_END) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION,
act, "Invalid action.");
return -rte_errno;
}
}
return 0;
}
static int
i40e_flow_parse_fdir_filter(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item pattern[],
const struct rte_flow_action actions[],
struct rte_flow_error *error,
union i40e_filter_t *filter)
{
struct rte_eth_fdir_filter *fdir_filter =
&filter->fdir_filter;
int ret;
ret = i40e_flow_parse_fdir_pattern(dev, pattern, error, fdir_filter);
if (ret)
return ret;
ret = i40e_flow_parse_fdir_action(dev, actions, error, fdir_filter);
if (ret)
return ret;
ret = i40e_flow_parse_attr(attr, error);
if (ret)
return ret;
if (dev->data->dev_conf.fdir_conf.mode !=
RTE_FDIR_MODE_PERFECT) {
rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
NULL,
"Check the mode in fdir_conf.");
return -rte_errno;
}
return 0;
}
static int
i40e_flow_validate(struct rte_eth_dev *dev,
const struct rte_flow_attr *attr,
const struct rte_flow_item pattern[],
const struct rte_flow_action actions[],
struct rte_flow_error *error)
{
struct rte_flow_item *items; /* internal pattern w/o VOID items */
parse_filter_t parse_filter;
uint32_t item_num = 0; /* non-void item number of pattern*/
uint32_t i = 0;
int ret;
if (!pattern) {
rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM_NUM,
NULL, "NULL pattern.");
return -rte_errno;
}
if (!actions) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ACTION_NUM,
NULL, "NULL action.");
return -rte_errno;
}
if (!attr) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ATTR,
NULL, "NULL attribute.");
return -rte_errno;
}
memset(&cons_filter, 0, sizeof(cons_filter));
/* Get the non-void item number of pattern */
while ((pattern + i)->type != RTE_FLOW_ITEM_TYPE_END) {
if ((pattern + i)->type != RTE_FLOW_ITEM_TYPE_VOID)
item_num++;
i++;
}
item_num++;
items = rte_zmalloc("i40e_pattern",
item_num * sizeof(struct rte_flow_item), 0);
if (!items) {
rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_ITEM_NUM,
NULL, "No memory for PMD internal items.");
return -ENOMEM;
}
i40e_pattern_skip_void_item(items, pattern);
/* Find if there's matched parse filter function */
parse_filter = i40e_find_parse_filter_func(items);
if (!parse_filter) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
pattern, "Unsupported pattern");
return -rte_errno;
}
ret = parse_filter(dev, attr, items, actions, error, &cons_filter);
rte_free(items);
return ret;
}
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