From: Nélio Laranjeiro <nelio.laranjeiro@6wind.com>
Date: Wed, 15 Mar 2017 12:32:50 +0000 (+0100)
Subject: net/mlx5: limit flow API rules to one tunnel
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=c2c6ddd51da4966bedc9b7146c967a37ad3e4ec5;p=dpdk.git

net/mlx5: limit flow API rules to one tunnel

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
---

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index e789c4c8b1..5468642533 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;
 	}