From: Dekel Peled <dekelp@mellanox.com>
Date: Wed, 22 Jan 2020 14:27:19 +0000 (+0200)
Subject: net/mlx5: block pop VLAN action on Tx
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=159e9217a5cfd2949aceab6a7fe0516d8fce5ba5;p=dpdk.git

net/mlx5: block pop VLAN action on Tx

Add missing check in validation function of 'pop VLAN' action.
Action is not allowed for egress flow rules.

Fixes: b41e47da2592 ("net/mlx5: support pop flow action on VLAN header")
Cc: stable@dpdk.org

Signed-off-by: Dekel Peled <dekelp@mellanox.com>
Acked-by: Ori Kam <orika@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
---

diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 1ed677ff21..9dc08cec97 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -1634,6 +1634,12 @@ flow_dv_validate_action_pop_vlan(struct rte_eth_dev *dev,
 					  RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 					  NULL,
 					  "pop vlan action is not supported");
+	if (attr->egress)
+		return rte_flow_error_set(error, ENOTSUP,
+					  RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+					  NULL,
+					  "pop vlan action not supported for "
+					  "egress");
 	/*
 	 * Check for inconsistencies:
 	 *  fail strip_vlan in a flow that matches packets without VLAN tags.