diff options
| author | Jack Wang <jinpu.wang@ionos.com> | 2021-04-08 11:32:15 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-04-13 20:06:34 -0300 |
| commit | 3ccbd9333f2783e27d8a631337fbd4d625ffea76 (patch) | |
| tree | fd5c2707601678861f27962d179dd351229d2301 /drivers/infiniband | |
| parent | 719d13415f5977710afeb5f4e622c5c9c18976fa (diff) | |
RDMA/ipoib: Print a message if only child interface is UP
When "enhanced IPoIB" is enabled for CX-5 devices it requires the parent
device to be UP, otherwise the child devices won't work.
Thus add a debug message to give admin a hint when only the child
interface is UP but parent interface is not.
Link: https://lore.kernel.org/r/20210408093215.24023-1-jinpu.wang@ionos.com
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 8ca80e27339a..bbb18087fdab 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -164,8 +164,13 @@ int ipoib_open(struct net_device *dev) dev_change_flags(cpriv->dev, flags | IFF_UP, NULL); } up_read(&priv->vlan_rwsem); - } + } else if (priv->parent) { + struct ipoib_dev_priv *ppriv = ipoib_priv(priv->parent); + if (!test_bit(IPOIB_FLAG_ADMIN_UP, &ppriv->flags)) + ipoib_dbg(priv, "parent device %s is not up, so child device may be not functioning.\n", + ppriv->dev->name); + } netif_start_queue(dev); return 0; |