Currently, driver sets full mask (0xffff) for GRE protocol to device. Until
it is changed, PMD can't support wildcard match.
Fixes: f4b901a46aec ("net/mlx5: add flow GRE item")
Cc: sta...@dpdk.org
Signed-off-by: Yongseok Koh <ys...@mellanox.com>
---
drivers/net/mlx5/mlx5_flow.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index b7500ec9d6..83ac6cbb85 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -1690,8 +1690,12 @@ mlx5_flow_item_gre(const struct rte_flow_item *item,
RTE_FLOW_ERROR_TYPE_ITEM,
item,
"L3 Layer is missing");
- if (!mask)
- mask = &rte_flow_item_gre_mask;
+ if (!mask || mask->protocol != 0xffff)
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item,
+ "wildcard match is not supported"
+ " for protocol field of GRE");
ret = mlx5_flow_item_acceptable
(item, (const uint8_t *)mask,
(const uint8_t *)&rte_flow_item_gre_mask,
--
2.11.0
