[dpdk-dev] [PATCH 08/10] net/mlx5: support match on IPv6 fragment packets
Dekel Peled
dekelp at nvidia.com
Wed Sep 30 16:10:16 CEST 2020
This patch adds to MLX5 PMD the support of matching on IPv6
fragmented and non-fragmented packets, using the new field
frag_ext_exist, added to rte_flow following RFC [1].
[1] https://mails.dpdk.org/archives/dev/2020-August/177257.html
Signed-off-by: Dekel Peled <dekelp at nvidia.com>
---
drivers/net/mlx5/mlx5_flow_dv.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 3379caf..4403abc 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -5211,6 +5211,7 @@ struct field_modify_info modify_tcp[] = {
.proto = 0xff,
.hop_limits = 0xff,
},
+ .frag_ext_exist = 1,
};
const struct rte_flow_item_ecpri nic_ecpri_mask = {
.hdr = {
@@ -6519,6 +6520,10 @@ struct field_modify_info modify_tcp[] = {
ipv6_m->hdr.hop_limits);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ttl_hoplimit,
ipv6_v->hdr.hop_limits & ipv6_m->hdr.hop_limits);
+ MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag,
+ !!(ipv6_m->frag_ext_exist));
+ MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag,
+ !!(ipv6_v->frag_ext_exist & ipv6_m->frag_ext_exist));
}
/**
--
1.8.3.1
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