diff options
| author | Parav Pandit <parav@mellanox.com> | 2018-07-16 10:50:13 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-07-26 17:47:47 +0200 |
| commit | 643d213a9a034fa04f5575a40dfc8548e33ce04f (patch) | |
| tree | c955259fce5028bdac3cc3a2a83b551c1c02a59d /drivers/infiniband/core/cma.c | |
| parent | RDMA/cma: Consider netdevice for RoCE ports (diff) | |
| download | linux-643d213a9a034fa04f5575a40dfc8548e33ce04f.tar.xz linux-643d213a9a034fa04f5575a40dfc8548e33ce04f.zip | |
RDMA/cma: Do not ignore net namespace for unbound cm_id
Currently if the cm_id is not bound to any netdevice, than for such cm_id,
net namespace is ignored; which is incorrect.
Regardless of cm_id bound to a netdevice or not, net namespace must
match. When a cm_id is bound to a netdevice, in such case net namespace
and netdevice both must match.
Fixes: 4c21b5bcef73 ("IB/cma: Add net_dev and private data checks to RDMA CM")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/cma.c')
| -rw-r--r-- | drivers/infiniband/core/cma.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 2eb4022f1790..7379094bbbab 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1474,9 +1474,16 @@ static bool cma_match_net_dev(const struct rdma_cm_id *id, return (!id->port_num || id->port_num == port_num) && (addr->src_addr.ss_family == AF_IB); - return !addr->dev_addr.bound_dev_if || - (net_eq(dev_net(net_dev), addr->dev_addr.net) && - addr->dev_addr.bound_dev_if == net_dev->ifindex); + /* + * Net namespaces must match, and if the listner is listening + * on a specific netdevice than netdevice must match as well. + */ + if (net_eq(dev_net(net_dev), addr->dev_addr.net) && + (!!addr->dev_addr.bound_dev_if == + (addr->dev_addr.bound_dev_if == net_dev->ifindex))) + return true; + else + return false; } static struct rdma_id_private *cma_find_listener( |