[v1,2/2] net/mlx5/hws: fix srv6 mismatching
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Commit Message
When matching srv6 packets, the IPv6 protocol is set to
0x2b by srv6 callback in fc[IP_PROTO].
In the next layer, TCP/UDP callback reset the fc again to
the corresponding values: 0x11/0x6.
Signed-off-by: Rongwei Liu <rongweil@nvidia.com>
Fixes: 00e579166cc0 ("net/mlx5: support IPv6 routing extension matching")
Cc: stable@dpdk.org
Reviewed-by: Erez Shitrit <erezsh@nvidia.com>
Acked-by: Suanming Mou <suanmingm@nvidia.com>
---
drivers/net/mlx5/hws/mlx5dr_definer.c | 21 +++++++++++++--------
drivers/net/mlx5/hws/mlx5dr_definer.h | 1 +
2 files changed, 14 insertions(+), 8 deletions(-)
@@ -1069,10 +1069,12 @@ mlx5dr_definer_conv_item_udp(struct mlx5dr_definer_conv_data *cd,
/* Set match on L4 type UDP */
if (!cd->relaxed) {
fc = &cd->fc[DR_CALC_FNAME(IP_PROTOCOL, inner)];
- fc->item_idx = item_idx;
- fc->tag_set = &mlx5dr_definer_udp_protocol_set;
- fc->tag_mask_set = &mlx5dr_definer_ones_set;
- DR_CALC_SET(fc, eth_l2, l4_type_bwc, inner);
+ if (!fc->not_overwrite) {
+ fc->item_idx = item_idx;
+ fc->tag_set = &mlx5dr_definer_udp_protocol_set;
+ fc->tag_mask_set = &mlx5dr_definer_ones_set;
+ DR_CALC_SET(fc, eth_l2, l4_type_bwc, inner);
+ }
}
if (!m)
@@ -1115,10 +1117,12 @@ mlx5dr_definer_conv_item_tcp(struct mlx5dr_definer_conv_data *cd,
/* Overwrite match on L4 type TCP */
if (!cd->relaxed) {
fc = &cd->fc[DR_CALC_FNAME(IP_PROTOCOL, inner)];
- fc->item_idx = item_idx;
- fc->tag_set = &mlx5dr_definer_tcp_protocol_set;
- fc->tag_mask_set = &mlx5dr_definer_ones_set;
- DR_CALC_SET(fc, eth_l2, l4_type_bwc, inner);
+ if (!fc->not_overwrite) {
+ fc->item_idx = item_idx;
+ fc->tag_set = &mlx5dr_definer_tcp_protocol_set;
+ fc->tag_mask_set = &mlx5dr_definer_ones_set;
+ DR_CALC_SET(fc, eth_l2, l4_type_bwc, inner);
+ }
}
if (!m)
@@ -2141,6 +2145,7 @@ mlx5dr_definer_conv_item_ipv6_routing_ext(struct mlx5dr_definer_conv_data *cd,
fc->item_idx = item_idx;
fc->tag_set = &mlx5dr_definer_ipv6_routing_hdr_set;
fc->tag_mask_set = &mlx5dr_definer_ones_set;
+ fc->not_overwrite = 1;
DR_CALC_SET(fc, eth_l3, protocol_next_header, inner);
}
} else {
@@ -166,6 +166,7 @@ struct mlx5dr_definer_fc {
int bit_off;
uint32_t bit_mask;
enum mlx5dr_definer_fname fname;
+ uint8_t not_overwrite;
void (*tag_set)(struct mlx5dr_definer_fc *fc,
const void *item_spec,
uint8_t *tag);