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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 81f8ac569a0e..3a0854fbcfd4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -2292,8 +2292,19 @@ static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace,
.mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16),
.mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16),
};
+ void *headers_c, *headers_v;
int err;
+ headers_c = get_match_headers_criteria(*action, &parse_attr->spec);
+ headers_v = get_match_headers_value(*action, &parse_attr->spec);
+
+ if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) &&
+ MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "VLAN rewrite action must have VLAN protocol match");
+ return -EOPNOTSUPP;
+ }
+
if (act->vlan.prio) {
NL_SET_ERR_MSG_MOD(extack, "Setting VLAN prio is not supported");
return -EOPNOTSUPP;