netdev - Re: [PATCH net-next] Allow to set net namespace for wireless device via RTM

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Date:	Tue, 14 Oct 2014 15:16:27 +0300
From:	vadim4j@...il.com
To:	Johannes Berg <johannes@...solutions.net>
Cc:	netdev@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: Re: [PATCH net-next] Allow to set net namespace for wireless device
 via RTM_LINK

On Thu, Sep 18, 2014 at 11:25:35PM +0200, Johannes Berg wrote:
> On Thu, 2014-09-11 at 23:35 +0300, Vadim Kochan wrote:
> > Added new netdev_ops callback for setting namespace in specific
> > for this device way
> 
> > +++ b/include/linux/netdevice.h
> > @@ -997,6 +997,8 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
> >   *	Callback to use for xmit over the accelerated station. This
> >   *	is used in place of ndo_start_xmit on accelerated net
> >   *	devices.
> > + * int (*ndo_set_netns)(struct net_device *dev, struct net *net);
> > + *      Callback to set net namespace in specific way for this device.
> 
> For the record, I don't consider it appropriate to set the net namespace
> on one netdev and end up with multiple netdevs switching namespaces ...
> 
> As a result, I don't think this should done.
> 
> johannes
> 

The reason for this was to make possible to change netns for wireless
dev via 'ip link' too like for 'iw' util. I just think that changing
namespace for netdev should have the generic way. May be you can suggest
a better way

Thanks,
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