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authorMark Bloch <markb@mellanox.com>2018-01-15 13:11:37 +0000
committerSaeed Mahameed <saeedm@mellanox.com>2018-02-23 12:36:39 -0800
commitec9c2fb8ceb5b514c4820f732537cb2982de0620 (patch)
tree2a1800dea3de116f187703789d4c68c4f771f9ed /drivers
parentc5447c70594b6a8e1e62a9dd9373813cb38f1c69 (diff)
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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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 8aed091036c6..5663530ea5fd 100644
--- 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)