linux-kernel - Re: [BUG] 2.6.29-rc* QinQ vlan trunking regression

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Message-Id: <20090305.005646.115456407.davem@davemloft.net>
Date:	Thu, 05 Mar 2009 00:56:46 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	kaber@...sh.net
Cc:	blaschka@...ux.vnet.ibm.com, bart@...ie.net,
	greearb@...delatech.com, shemminger@...tta.com,
	dada1@...mosbay.com, frank.blaschka@...ibm.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [BUG] 2.6.29-rc* QinQ vlan trunking regression

From: Patrick McHardy <kaber@...sh.net>
Date: Thu, 05 Mar 2009 09:27:12 +0100

> Frank Blaschka wrote:
> > Hi Dave, Patrick,
> >
> > sorry I could not follow the complete discussion of the fixes done for this problem
> > but does
> >
> >  	if (netif_device_present(real_dev) && ops->ndo_neigh_setup)
> > -		err = ops->ndo_neigh_setup(dev, pa);
> > +		err = ops->ndo_neigh_setup(real_dev, pa);
> >
> > not change the idea of the neigh_setup? Remind we want the neigh_setup of the
> > real device as the neigh setup function for the vlan device.
> >   
> 
> An we still use it. The only difference is that we pass it the
> correct device reference, which not only fixes the recursion,
> but is also expected by the callbacks. Look at bonding or simply
> vlan itself.
> 
> The setup itself is still done using the neigh_params passed to
> VLAN, which appears to be what was originally intended.

Then bond_neigh_setup() has the same bug, doesn't it?
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