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| author | Achiad Shochat <achiad@mellanox.com> | 2015-12-23 18:47:16 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-12-23 12:07:36 -0500 |
| commit | ebd61f68e1c79eab022c550f95cb8bf37cc925cb (patch) | |
| tree | 7c67dcc2f1757d501de1bda135ed16c11b22897f /drivers/infiniband/hw/mlx5/main.c | |
| parent | 59f65f495d0defb62032422d1adec841fc657213 (diff) | |
| download | op-kernel-dev-ebd61f68e1c79eab022c550f95cb8bf37cc925cb.zip op-kernel-dev-ebd61f68e1c79eab022c550f95cb8bf37cc925cb.tar.gz | |
IB/mlx5: Support IB device's callback for getting the link layer
Make the existing mlx5_ib_port_link_layer() signature match
the ib device callback signature (add port_num parameter).
Refactor it to use a sub function so that the link layer could
be queried also before the ibdev is created.
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 7e97cb5..a3295bb 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -64,11 +64,9 @@ static char mlx5_version[] = DRIVER_VERSION " (" DRIVER_RELDATE ")\n"; static enum rdma_link_layer -mlx5_ib_port_link_layer(struct ib_device *device) +mlx5_port_type_cap_to_rdma_ll(int port_type_cap) { - struct mlx5_ib_dev *dev = to_mdev(device); - - switch (MLX5_CAP_GEN(dev->mdev, port_type)) { + switch (port_type_cap) { case MLX5_CAP_PORT_TYPE_IB: return IB_LINK_LAYER_INFINIBAND; case MLX5_CAP_PORT_TYPE_ETH: @@ -78,6 +76,15 @@ mlx5_ib_port_link_layer(struct ib_device *device) } } +static enum rdma_link_layer +mlx5_ib_port_link_layer(struct ib_device *device, u8 port_num) +{ + struct mlx5_ib_dev *dev = to_mdev(device); + int port_type_cap = MLX5_CAP_GEN(dev->mdev, port_type); + + return mlx5_port_type_cap_to_rdma_ll(port_type_cap); +} + static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) { return !dev->mdev->issi; @@ -94,7 +101,7 @@ static int mlx5_get_vport_access_method(struct ib_device *ibdev) if (mlx5_use_mad_ifc(to_mdev(ibdev))) return MLX5_VPORT_ACCESS_METHOD_MAD; - if (mlx5_ib_port_link_layer(ibdev) == + if (mlx5_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET) return MLX5_VPORT_ACCESS_METHOD_NIC; @@ -1325,11 +1332,16 @@ static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num, static void *mlx5_ib_add(struct mlx5_core_dev *mdev) { struct mlx5_ib_dev *dev; + enum rdma_link_layer ll; + int port_type_cap; int err; int i; + port_type_cap = MLX5_CAP_GEN(mdev, port_type); + ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); + /* don't create IB instance over Eth ports, no RoCE yet! */ - if (MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) + if (ll == IB_LINK_LAYER_ETHERNET) return NULL; printk_once(KERN_INFO "%s", mlx5_version); @@ -1389,6 +1401,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) dev->ib_dev.query_device = mlx5_ib_query_device; dev->ib_dev.query_port = mlx5_ib_query_port; + dev->ib_dev.get_link_layer = mlx5_ib_port_link_layer; dev->ib_dev.query_gid = mlx5_ib_query_gid; dev->ib_dev.query_pkey = mlx5_ib_query_pkey; dev->ib_dev.modify_device = mlx5_ib_modify_device; |
