[dpdk-dev] [PATCH] net/mlx5: limit flow API rules to one tunnel

[Nelio Laranjeiro]

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>
---
 drivers/net/mlx5/mlx5_flow.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index e789c4c..5468642 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -457,6 +457,16 @@ priv_flow_validate(struct priv *priv,
 						flow);
 			if (err)
 				goto exit_item_not_supported;
+		} else if (items->type == RTE_FLOW_ITEM_TYPE_VXLAN) {
+			if (flow->inner) {
+				rte_flow_error_set(error, ENOTSUP,
+						   RTE_FLOW_ERROR_TYPE_ITEM,
+						   items,
+						   "cannot recognize multiple"
+						   " VXLAN encapsulations");
+				return -rte_errno;
+			}
+			flow->inner = 1;
 		}
 		flow->offset += cur_item->dst_sz;
 	}
-- 
2.1.4