diff options
| author | Jason Gunthorpe <jgg@mellanox.com> | 2019-02-13 05:12:52 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-02-20 04:52:18 +0100 |
| commit | 4c173f596b3ffe6b967f5818043665c565648809 (patch) | |
| tree | 1d9b0ed94af0ecbaf11417a48895e8ee7134e325 /drivers/infiniband/sw/rxe/rxe.h | |
| parent | RDMA/device: Add ib_device_get_by_netdev() (diff) | |
| download | linux-4c173f596b3ffe6b967f5818043665c565648809.tar.xz linux-4c173f596b3ffe6b967f5818043665c565648809.zip | |
RDMA/rxe: Use ib_device_get_by_netdev() instead of open coding
The core API handles the locking correctly and is faster if there are
multiple devices.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe.h')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe.h b/drivers/infiniband/sw/rxe/rxe.h index 5bde2ad964d2..2b875875962f 100644 --- a/drivers/infiniband/sw/rxe/rxe.h +++ b/drivers/infiniband/sw/rxe/rxe.h @@ -105,9 +105,19 @@ static inline void rxe_dev_put(struct rxe_dev *rxe) { kref_put(&rxe->ref_cnt, rxe_release); } -struct rxe_dev *net_to_rxe(struct net_device *ndev); struct rxe_dev *get_rxe_by_name(const char *name); +/* The caller must do a matching ib_device_put(&dev->ib_dev) */ +static inline struct rxe_dev *rxe_get_dev_from_net(struct net_device *ndev) +{ + struct ib_device *ibdev = + ib_device_get_by_netdev(ndev, RDMA_DRIVER_RXE); + + if (!ibdev) + return NULL; + return container_of(ibdev, struct rxe_dev, ib_dev); +} + void rxe_port_up(struct rxe_dev *rxe); void rxe_port_down(struct rxe_dev *rxe); void rxe_set_port_state(struct rxe_dev *rxe); |