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net/mlx5: support match on TCP flags

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Add support to match all TCP control bits (flags)
except "NS (ECN-nonce)" via Direct Verbs (DV) or Direct Rule (DR)
engine.

Signed-off-by: Jack Min <jackmin@mellanox.com>
Acked-by: Ori Kam <orika@mellanox.com>
This commit is contained in:
Jack Min 2019-05-09 06:11:09 +00:00 committed by Ferruh Yigit
parent 11a34bf2c0
commit fe3b65c202
1 changed files with 12 additions and 1 deletions
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13
drivers/net/mlx5/mlx5_flow_dv.c
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@ -2066,6 +2066,13 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
uint64_t last_item = 0;
uint8_t next_protocol = 0xff;
int actions_n = 0;
struct rte_flow_item_tcp nic_tcp_mask = {
.hdr = {
.tcp_flags = 0xFF,
.src_port = RTE_BE16(UINT16_MAX),
.dst_port = RTE_BE16(UINT16_MAX),
}
};
if (items == NULL)
return -1;
@ -2146,7 +2153,7 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
ret = mlx5_flow_validate_item_tcp
(items, item_flags,
next_protocol,
&rte_flow_item_tcp_mask,
&nic_tcp_mask,
error);
if (ret < 0)
return ret;
@ -2862,6 +2869,10 @@ flow_dv_translate_item_tcp(void *matcher, void *key,
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));
}
/**