Commit 4ed088e6 authored by Matan Barak's avatar Matan Barak Committed by Doug Ledford

IB/mlx4: Advertise RoCE v2 support

Advertise RoCE v2 support in port_immutable attributes according to
the hardware's capabilities. This enables the verbs stack to use
RoCE v2 mode.
Signed-off-by: default avatarMatan Barak <matanb@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent e1b866c6
......@@ -2185,6 +2185,7 @@ static int mlx4_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
struct mlx4_ib_dev *mdev = to_mdev(ibdev);
int err;
err = mlx4_ib_query_port(ibdev, port_num, &attr);
......@@ -2194,10 +2195,15 @@ static int mlx4_port_immutable(struct ib_device *ibdev, u8 port_num,
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
if (mlx4_ib_port_link_layer(ibdev, port_num) == IB_LINK_LAYER_INFINIBAND)
if (mlx4_ib_port_link_layer(ibdev, port_num) == IB_LINK_LAYER_INFINIBAND) {
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
else
} else {
if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE;
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2)
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE |
RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
}
immutable->max_mad_size = IB_MGMT_MAD_SIZE;
......
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