net/mlx5: support RSS expansion for IPv6 GRE

Currently RSS expansion only support IPv4 as GRE payload or
delivery protocol (RFC2784). IPv6 as GRE payload or delivery protocol
(RFC7676) is not supported.

This patch add RSS expansion for RFC7676 so PMD can expand flow item
correctly.

Fixes: f4b901a46aec ("net/mlx5: add flow GRE item")
Cc: stable@dpdk.org
Signed-off-by: Xiaoyu Min <jackmin@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index d46fc33..de4e4a3 100644 (file)
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -499,7 +499,8 @@ static const struct mlx5_flow_expand_node mlx5_support_expansion[] = {
                        (MLX5_EXPANSION_OUTER_IPV6_UDP,
                         MLX5_EXPANSION_OUTER_IPV6_TCP,
                         MLX5_EXPANSION_IPV4,
-                        MLX5_EXPANSION_IPV6),
+                        MLX5_EXPANSION_IPV6,
+                        MLX5_EXPANSION_GRE),
                .type = RTE_FLOW_ITEM_TYPE_IPV6,
                .rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
                        ETH_RSS_NONFRAG_IPV6_OTHER,
@@ -527,7 +528,8 @@ static const struct mlx5_flow_expand_node mlx5_support_expansion[] = {
                .type = RTE_FLOW_ITEM_TYPE_VXLAN_GPE,
        },
        [MLX5_EXPANSION_GRE] = {
-               .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4),
+               .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
+                                                 MLX5_EXPANSION_IPV6),
                .type = RTE_FLOW_ITEM_TYPE_GRE,
        },
        [MLX5_EXPANSION_MPLS] = {