[PATCH 2/9] net/mlx5/hws: add check for not supported fields in VXLAN

[Itamar Gozlan <igozlan@nvidia.com>]

Don't allow the user to mask over rsvd1 / rsvd2 fields which are not
supported.

Fixes: dbff89ef806f ("net/mlx5/hws: fix tunnel protocol checks")
Signed-off-by: Erez Shitrit <erezsh@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
 drivers/net/mlx5/hws/mlx5dr_definer.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.c b/drivers/net/mlx5/hws/mlx5dr_definer.c
index 79d98bbf78..8b8757ecac 100644
--- a/drivers/net/mlx5/hws/mlx5dr_definer.c
+++ b/drivers/net/mlx5/hws/mlx5dr_definer.c
@@ -1414,6 +1414,13 @@ mlx5dr_definer_conv_item_vxlan(struct mlx5dr_definer_conv_data *cd,
 	struct mlx5dr_definer_fc *fc;
 	bool inner = cd->tunnel;
 
+	if (m && (m->rsvd0[0] != 0 || m->rsvd0[1] != 0 || m->rsvd0[2] != 0 ||
+	    m->rsvd1 != 0)) {
+		DR_LOG(ERR, "reserved fields are not supported");
+		rte_errno = ENOTSUP;
+		return rte_errno;
+	}
+
 	if (inner) {
 		DR_LOG(ERR, "Inner VXLAN item not supported");
 		rte_errno = ENOTSUP;
-- 
2.39.3