[dpdk-stable] [PATCH] net/mlx5: support RSS expansion for NVGRE

[Jiawei Wang]

Currently RSS expansion only support GRE and GRE KEY.
This patch add RSS expansion for NVGRE item so PMD can expand flow item
correctly.

Fixes: f4b901a46aec ("net/mlx5: add flow GRE item")
Cc: stable at dpdk.org

Signed-off-by: Jiawei Wang <jiaweiw at nvidia.com>
Acked-by: Xiaoyu Min <jackmin at nvidia.com>
---
 drivers/net/mlx5/mlx5_flow.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 32634c9af7..73cc9acbd7 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -407,6 +407,7 @@ enum mlx5_expansion {
 	MLX5_EXPANSION_VXLAN,
 	MLX5_EXPANSION_VXLAN_GPE,
 	MLX5_EXPANSION_GRE,
+	MLX5_EXPANSION_NVGRE,
 	MLX5_EXPANSION_GRE_KEY,
 	MLX5_EXPANSION_MPLS,
 	MLX5_EXPANSION_ETH,
@@ -465,6 +466,7 @@ static const struct mlx5_flow_expand_node mlx5_support_expansion[] = {
 			(MLX5_EXPANSION_OUTER_IPV4_UDP,
 			 MLX5_EXPANSION_OUTER_IPV4_TCP,
 			 MLX5_EXPANSION_GRE,
+			 MLX5_EXPANSION_NVGRE,
 			 MLX5_EXPANSION_IPV4,
 			 MLX5_EXPANSION_IPV6),
 		.type = RTE_FLOW_ITEM_TYPE_IPV4,
@@ -487,7 +489,8 @@ static const struct mlx5_flow_expand_node mlx5_support_expansion[] = {
 			 MLX5_EXPANSION_OUTER_IPV6_TCP,
 			 MLX5_EXPANSION_IPV4,
 			 MLX5_EXPANSION_IPV6,
-			 MLX5_EXPANSION_GRE),
+			 MLX5_EXPANSION_GRE,
+			 MLX5_EXPANSION_NVGRE),
 		.type = RTE_FLOW_ITEM_TYPE_IPV6,
 		.rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
 			ETH_RSS_NONFRAG_IPV6_OTHER,
@@ -526,6 +529,10 @@ static const struct mlx5_flow_expand_node mlx5_support_expansion[] = {
 		.type = RTE_FLOW_ITEM_TYPE_GRE_KEY,
 		.optional = 1,
 	},
+	[MLX5_EXPANSION_NVGRE] = {
+		.next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
+		.type = RTE_FLOW_ITEM_TYPE_NVGRE,
+	},
 	[MLX5_EXPANSION_MPLS] = {
 		.next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
 						  MLX5_EXPANSION_IPV6),
-- 
2.18.1