diff options
| author |   Matan Barak <matanb@mellanox.com> | 2016-01-14 17:50:43 +0200 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-01-19 15:35:01 -0500 |
| commit | 4ed088e6c2aa2b7b0479791c7251696b541bfa39 (patch) | |
| tree | dc0ea14e5c481a67c7495b587a251011b0e999c1 /drivers/infiniband | |
| parent | IB/mlx4: Create and use another QP1 for RoCEv2 (diff) | |
| download | linux-dev-4ed088e6c2aa2b7b0479791c7251696b541bfa39.tar.xz linux-dev-4ed088e6c2aa2b7b0479791c7251696b541bfa39.zip | |
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: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 8bc0d608a9ca..1c7ab6cabbb8 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -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 - immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE; + } 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; |