Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6afff1c7 authored by Guy Levi's avatar Guy Levi Committed by Doug Ledford
Browse files

IB/mlx4: Expose RSS capabilities 



As a final step to support RSS feature, expose the RSS capabilities in
query device verb.

It includes:
- Max rwq indirection tables.
- Max rwq indirection table size.
- Supported qp types.

Signed-off-by: default avatarGuy Levi <guyle@mellanox.com>
Reviewed-by: default avatarYishai Hadas <yishaih@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 3078f5f1

drivers/infiniband/hw/mlx4/main.c

+6 −1
Original line number Diff line number Diff line
@@ -556,8 +556,13 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, 


	if ((dev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS) &&

	    (mlx4_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET ||

	     mlx4_ib_port_link_layer(ibdev, 2) == IB_LINK_LAYER_ETHERNET))

	     mlx4_ib_port_link_layer(ibdev, 2) == IB_LINK_LAYER_ETHERNET)) {

		props->rss_caps.max_rwq_indirection_tables = props->max_qp;

		props->rss_caps.max_rwq_indirection_table_size =

			dev->dev->caps.max_rss_tbl_sz;

		props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET;

		props->max_wq_type_rq = props->max_qp;

	}



	if (!mlx4_is_slave(dev->dev))

		err = mlx4_get_internal_clock_params(dev->dev, &clock_params);