[dpdk-dev] [PATCH] net/mlx5: fix validation of MLPS-in-GRE

Yongseok Koh yskoh at mellanox.com
Tue Oct 30 08:53:07 CET 2018


Multiple tunnel isn't allowed but MPLS over GRE should be accepted.

Fixes: 23c1d42c7138 ("net/mlx5: split flow validation to dedicated function")
Cc: orika at mellanox.com

Signed-off-by: Yongseok Koh <yskoh at mellanox.com>
---
 drivers/net/mlx5/mlx5_flow.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 2dd481f81a..7d0197839a 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -1619,7 +1619,9 @@ mlx5_flow_validate_item_mpls(const struct rte_flow_item *item __rte_unused,
 					  RTE_FLOW_ERROR_TYPE_ITEM, item,
 					  "protocol filtering not compatible"
 					  " with MPLS layer");
-	if (item_flags & MLX5_FLOW_LAYER_TUNNEL)
+	/* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
+	if ((item_flags & MLX5_FLOW_LAYER_TUNNEL) &&
+	    !(item_flags & MLX5_FLOW_LAYER_GRE))
 		return rte_flow_error_set(error, ENOTSUP,
 					  RTE_FLOW_ERROR_TYPE_ITEM, item,
 					  "multiple tunnel layers not"
-- 
2.11.0



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