On Mon, Aug 13, 2018 at 02:42:23PM +0300, Arseny Maslennikov wrote: > Some InfiniBand network devices have multiple ports on the same PCI > function. Prior to this the kernel erroneously used the `dev_id' sysfs > field of those network interfaces to convey the port number to userspace. > > `dev_id' is currently reserved for distinguishing stacked ifaces > (e.g: VLANs) with the same hardware address as their parent device. > > Similar fixes to net/mlx4_en and many other drivers, which started > exporting this information through `dev_id' before 3.15, were accepted > into the kernel 4 years ago. > See 76a066f2a2a0268b565459c417b59724b5a3197b, commit message: > `net/mlx4_en: Expose port number through sysfs'. > > I would be OK with this commit not being backported to stable, since > it might break admin-supplied udev rules and the likes. > > Signed-off-by: Arseny Maslennikov <ar@xxxxxxxxx> > --- > drivers/infiniband/ulp/ipoib/ipoib_main.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c > index 6eb0594fffec..f64535038147 100644 > --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c > +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c > @@ -2252,7 +2252,6 @@ static struct net_device *ipoib_add_port(const char *format, > } > > SET_NETDEV_DEV(priv->dev, hca->dev.parent); > - priv->dev->dev_id = port - 1; Correct me if i'm wrong here but besides some changes in commit message looks like patch 1/3 is the same as 2/3, isn't it? Yuval > priv->dev->dev_port = port - 1; > > result = ib_query_port(hca, port, &attr); > -- > 2.18.0 >
