From: Bodong Wang <bodong@xxxxxxxxxxxx>
Expose enhanced multi packet WQE capability to user space through
query_device by uhw.
Signed-off-by: Bodong Wang <bodong@xxxxxxxxxxxx>
Reviewed-by: Daniel Jurgens <danielj@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/main.c | 5 +++++
include/linux/mlx5/mlx5_ifc.h | 2 +-
include/uapi/rdma/mlx5-abi.h | 1 +
3 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index aef1d8a0f4e4..06cdc279364d 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -815,6 +815,11 @@ 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 4334ce9fc803..6329348ff1d2 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 a61a512e5747..1791bf123ba9 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 {
--
2.14.1
--
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