IB/mlx5: Fix GRE flow specification

Currently the driver sets the mask of the gre_protocol to 0xffff
without consideration in the user request.

Fix it by copy the mask from the verbs spec.

Fixes: da2f22ae7707 ("IB/mlx5: Add support for GRE flow specification")
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index e4460b99581a64afa8fc20a43c0b84d2fd31b0e8..0f3649ae8746dbd38ad92b1434514c01638b161d 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -2685,7 +2685,7 @@ static int parse_flow_attr(struct mlx5_core_dev *mdev, u32 *match_c,
                         IPPROTO_GRE);
 
                MLX5_SET(fte_match_set_misc, misc_params_c, gre_protocol,
-                        0xffff);
+                        ntohs(ib_spec->gre.mask.protocol));
                MLX5_SET(fte_match_set_misc, misc_params_v, gre_protocol,
                         ntohs(ib_spec->gre.val.protocol));