diff options
| author |   Steve Wise <swise@opengridcomputing.com> | 2018-03-22 12:53:35 -0700 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2018-03-23 11:12:51 -0600 |
| commit | f215a3d2448ae77253f0b93dcc37114779f51778 (patch) | |
| tree | bd20d476826806428f08ff328fc7d0069cc09506 /drivers/infiniband/hw/cxgb4 | |
| parent | IB/cma: Resolve route only while receiving CM requests (diff) | |
| download | linux-dev-f215a3d2448ae77253f0b93dcc37114779f51778.tar.xz linux-dev-f215a3d2448ae77253f0b93dcc37114779f51778.zip | |
iw_cxgb4: Add ib_device->get_netdev support
This is useful to rdma ULPs.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/provider.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index dc4eabd85f54..0b9cc73c3ded 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -533,6 +533,24 @@ static void get_dev_fw_str(struct ib_device *dev, char *str) FW_HDR_FW_VER_BUILD_G(c4iw_dev->rdev.lldi.fw_vers)); } +static struct net_device *get_netdev(struct ib_device *dev, u8 port) +{ + struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, ibdev); + struct c4iw_rdev *rdev = &c4iw_dev->rdev; + struct net_device *ndev; + + if (!port || port > rdev->lldi.nports) + return NULL; + + rcu_read_lock(); + ndev = rdev->lldi.ports[port - 1]; + if (ndev) + dev_hold(ndev); + rcu_read_unlock(); + + return ndev; +} + void c4iw_register_device(struct work_struct *work) { int ret; @@ -611,6 +629,7 @@ void c4iw_register_device(struct work_struct *work) dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION; dev->ibdev.get_port_immutable = c4iw_port_immutable; dev->ibdev.get_dev_fw_str = get_dev_fw_str; + dev->ibdev.get_netdev = get_netdev; dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL); if (!dev->ibdev.iwcm) { |