IB/mlx5: Disable self loopback check when in switchdev mode

When in switchdev mode, there is no need to do self loopback checks
as we can't receive those packets, we insert steering rules to the
eswitch that make sure packets can't be looped back.

Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 8aed091036c6b59209b3cf1c526d49f24bc711d1..5663530ea5fd8bf43a24501be97f98cb7cd5f126 100644 (file)
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -1279,6 +1279,10 @@ static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
        if (tunnel_offload_en)
                MLX5_SET(tirc, tirc, tunneled_offload_en, 1);
 
+       if (dev->rep)
+               MLX5_SET(tirc, tirc, self_lb_block,
+                        MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST_);
+
        err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn);
 
        kvfree(in);
@@ -1570,6 +1574,10 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
        MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields);
 
 create_tir:
+       if (dev->rep)
+               MLX5_SET(tirc, tirc, self_lb_block,
+                        MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST_);
+
        err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn);
 
        if (err)