The flow did not expand correctly when it included a GTP item.

Added GTP node to the expansion graph as possible next node
after IPv4/IPv6 UDP node.

Fixes: 592f05b29a25 ("net/mlx5: add RSS flow action")
Cc: sta...@dpdk.org

Signed-off-by: Lior Margalit <lmarga...@nvidia.com>
Acked-by: Matan Azrad <ma...@nvidia.com>
---
 drivers/net/mlx5/mlx5_flow.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 347e8c1a09..2a5f712fc9 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -135,6 +135,7 @@ mlx5_flow_is_rss_expandable_item(const struct rte_flow_item 
*item)
        case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
        case RTE_FLOW_ITEM_TYPE_GRE_KEY:
        case RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT:
+       case RTE_FLOW_ITEM_TYPE_GTP:
                return true;
        default:
                break;
@@ -455,6 +456,7 @@ enum mlx5_expansion {
        MLX5_EXPANSION_IPV6_UDP,
        MLX5_EXPANSION_IPV6_TCP,
        MLX5_EXPANSION_IPV6_FRAG_EXT,
+       MLX5_EXPANSION_GTP
 };
 
 /** Supported expansion of items. */
@@ -511,7 +513,8 @@ static const struct mlx5_flow_expand_node 
mlx5_support_expansion[] = {
        [MLX5_EXPANSION_OUTER_IPV4_UDP] = {
                .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
                                                  MLX5_EXPANSION_VXLAN_GPE,
-                                                 MLX5_EXPANSION_MPLS),
+                                                 MLX5_EXPANSION_MPLS,
+                                                 MLX5_EXPANSION_GTP),
                .type = RTE_FLOW_ITEM_TYPE_UDP,
                .rss_types = ETH_RSS_NONFRAG_IPV4_UDP,
        },
@@ -534,7 +537,8 @@ static const struct mlx5_flow_expand_node 
mlx5_support_expansion[] = {
        [MLX5_EXPANSION_OUTER_IPV6_UDP] = {
                .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN,
                                                  MLX5_EXPANSION_VXLAN_GPE,
-                                                 MLX5_EXPANSION_MPLS),
+                                                 MLX5_EXPANSION_MPLS,
+                                                 MLX5_EXPANSION_GTP),
                .type = RTE_FLOW_ITEM_TYPE_UDP,
                .rss_types = ETH_RSS_NONFRAG_IPV6_UDP,
        },
@@ -626,6 +630,11 @@ static const struct mlx5_flow_expand_node 
mlx5_support_expansion[] = {
        [MLX5_EXPANSION_IPV6_FRAG_EXT] = {
                .type = RTE_FLOW_ITEM_TYPE_IPV6_FRAG_EXT,
        },
+       [MLX5_EXPANSION_GTP] = {
+                       .next = MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
+                                                         MLX5_EXPANSION_IPV6),
+                       .type = RTE_FLOW_ITEM_TYPE_GTP
+       }
 };
 
 static struct rte_flow_action_handle *
-- 
2.25.1

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