[PATCH rdma-next 3/3] IB/mlx5: Report packet based credit mode device capability
From: Leon Romanovsky <leon@kernel.org>
Date: 2018-11-30 22:31:15
Also in:
linux-rdma
Subsystem:
infiniband subsystem, mellanox mlx5 ib driver, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
From: Danit Goldberg <redacted> Report packet based credit mode capability via the mlx5 DV interface. Signed-off-by: Danit Goldberg <redacted> Reviewed-by: Majd Dibbiny <redacted> Signed-off-by: Leon Romanovsky <redacted> --- drivers/infiniband/hw/mlx5/main.c | 3 +++ include/uapi/rdma/mlx5-abi.h | 1 + 2 files changed, 4 insertions(+)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 0acf6a4d8f4b..1ad5e35663af 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c@@ -1018,6 +1018,9 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, if (MLX5_CAP_GEN(mdev, cqe_128_always)) resp.flags |= MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_PAD; + if (MLX5_CAP_GEN(mdev, qp_packet_based)) + resp.flags |= + MLX5_IB_QUERY_DEV_RESP_PACKET_BASED_CREDIT_MODE; } if (field_avail(typeof(resp), sw_parsing_caps,
diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h
index 4af581170f62..87b3198f4b5d 100644
--- a/include/uapi/rdma/mlx5-abi.h
+++ b/include/uapi/rdma/mlx5-abi.h@@ -237,6 +237,7 @@ enum mlx5_ib_query_dev_resp_flags { /* Support 128B CQE compression */ MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_COMP = 1 << 0, MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_PAD = 1 << 1, + MLX5_IB_QUERY_DEV_RESP_PACKET_BASED_CREDIT_MODE = 1 << 2, }; enum mlx5_ib_tunnel_offloads {
--
2.19.1