From: Bodong Wang Date: Thu, 17 Aug 2017 12:52:35 +0000 (+0300) Subject: IB/mlx5: Report mlx5 enhanced multi packet WQE capability X-Git-Tag: v4.14-rc2~9^2~90^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=050da902adde8faf6b1bef15ac4876ae145358f4;p=platform%2Fkernel%2Flinux-rpi.git 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: Bodong Wang Reviewed-by: Daniel Jurgens Signed-off-by: Leon Romanovsky Signed-off-by: Doug Ledford --- diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index ba0a97d..62e6298 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -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); } diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 6865e60..4eff0b8 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -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]; diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index a61a512..1791bf1 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -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 {