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RDMA: Check net namespace access for uverbs, umad, cma and nldev

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Introduce an API rdma_dev_access_netns() to check whether a rdma device
can be accessed from the specified net namespace or not.
Use rdma_dev_access_netns() while opening character uverbs, umad network
device and also check while rdma cm_id binds to rdma device.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit
2019-02-26 14:01:46 +02:00
committed by Jason Gunthorpe
parent a56bc45b27
commit 41c6140189
5 changed files with 41 additions and 0 deletions
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3
include/rdma/ib_verbs.h
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@@ -4381,4 +4381,7 @@ static inline struct ib_device *rdma_device_to_ibdev(struct device *device)
*/
#define rdma_device_to_drv_device(dev, drv_dev_struct, ibdev_member) \
container_of(rdma_device_to_ibdev(dev), drv_dev_struct, ibdev_member)
bool rdma_dev_access_netns(const struct ib_device *device,
const struct net *net);
#endif /* IB_VERBS_H */