[3/5] net/mlx5: support match on IPv6 fragment packets
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Commit Message
This patch adds to MLX5 PMD the support of matching on IPv6
fragmented and non-fragmented packets, using the new field
has_frag_ext, added to rte_flow following RFC [1].
[1] https://mails.dpdk.org/archives/dev/2020-August/177257.html
Signed-off-by: Dekel Peled <dekelp@nvidia.com>
Acked-by: Ori Kam <orika@nvidia.com>
---
doc/guides/rel_notes/release_20_11.rst | 2 +-
drivers/net/mlx5/mlx5_flow_dv.c | 5 +++++
2 files changed, 6 insertions(+), 1 deletion(-)
@@ -152,7 +152,7 @@ New Features
Updated Mellanox mlx5 driver with new features and improvements, including:
- * Added support for matching on fragmented/non-fragmented IPv4 packets.
+ * Added support for matching on fragmented/non-fragmented IPv4/IPv6 packets.
Removed Items
-------------
@@ -5211,6 +5211,7 @@ struct field_modify_info modify_tcp[] = {
.proto = 0xff,
.hop_limits = 0xff,
},
+ .has_frag_ext = 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->has_frag_ext));
+ MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag,
+ !!(ipv6_v->has_frag_ext & ipv6_m->has_frag_ext));
}
/**