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Commit 050da902 authored by Bodong Wang's avatar Bodong Wang Committed by Doug Ledford
Browse files

IB/mlx5: Report mlx5 enhanced multi packet WQE capability 



Expose enhanced multi packet WQE capability to user space through
query_device by uhw.

Signed-off-by: default avatarBodong Wang <bodong@mellanox.com>
Reviewed-by: default avatarDaniel Jurgens <danielj@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 795b609c

drivers/infiniband/hw/mlx5/main.c

+5 −0
Original line number Diff line number Diff line
@@ -805,6 +805,11 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, 
		if (MLX5_CAP_ETH(mdev, multi_pkt_send_wqe))

			resp.mlx5_ib_support_multi_pkt_send_wqes =

				MLX5_IB_ALLOW_MPW;



		if (MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe))

			resp.mlx5_ib_support_multi_pkt_send_wqes |=

				MLX5_IB_SUPPORT_EMPW;



		resp.response_length +=

			sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes);

	}

include/linux/mlx5/mlx5_ifc.h

+1 −1
Original line number Diff line number Diff line
@@ -604,7 +604,7 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits { 
	u8         rss_ind_tbl_cap[0x4];

	u8         reg_umr_sq[0x1];

	u8         scatter_fcs[0x1];

	u8         reserved_at_1a[0x1];

	u8         enhanced_multi_pkt_send_wqe[0x1];

	u8         tunnel_lso_const_out_ip_id[0x1];

	u8         reserved_at_1c[0x2];

	u8         tunnel_statless_gre[0x1];

include/uapi/rdma/mlx5-abi.h

+1 −0
Original line number Diff line number Diff line
@@ -171,6 +171,7 @@ struct mlx5_packet_pacing_caps { 
enum mlx5_ib_mpw_caps {

	MPW_RESERVED		= 1 << 0,

	MLX5_IB_ALLOW_MPW	= 1 << 1,

	MLX5_IB_SUPPORT_EMPW	= 1 << 2,

};



enum mlx5_ib_sw_parsing_offloads {