Multiple tunnel isn't allowed but MPLS over GRE should be accepted.
Fixes: a4a5cd21d20a ("net/mlx5: add flow MPLS item")
Signed-off-by: Yongseok Koh <[email protected]>
---
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 b7500ec9d6..ca4625b699 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -1778,7 +1778,9 @@ mlx5_flow_item_mpls(const struct rte_flow_item *item
__rte_unused,
item,
"protocol filtering not compatible"
" with MPLS layer");
- if (flow->layers & MLX5_FLOW_LAYER_TUNNEL)
+ /* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
+ if (flow->layers & MLX5_FLOW_LAYER_TUNNEL &&
+ (flow->layers & MLX5_FLOW_LAYER_GRE) != MLX5_FLOW_LAYER_GRE)
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
--
2.11.0
