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Date:	Wed, 30 May 2007 10:19:07 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	"Laurent Chavey" <chavey@...gle.com>
Cc:	netdev@...r.kernel.org
Subject: Re: bond_compute_features() does not handle devices with different
 CSUM

On Wed, 30 May 2007 09:58:38 -0700
"Laurent Chavey" <chavey@...gle.com> wrote:

> should we then move/integrate that code as part of the bonding driver ?
> 
> 
> On 5/30/07, Stephen Hemminger <shemminger@...ux-foundation.org> wrote:
> > On Tue, 29 May 2007 17:41:45 -0700
> > "Laurent Chavey" <chavey@...gle.com> wrote:
> >
> > > kernel version <= 2.6.20.1
> > > file drivers/net/bonding/bonding_main.c
> > > function bond_compute_features()
> > >
> > > -----------
> > >   Given a system with two different NIC. One driver sets
> > >         dev->features |=  NETIF_F_HW_CSUM
> > >   the other driver sets
> > >         dev->features |=  NETIF_F_IP_CSUM
> > >
> > >   when enslaving the 2 device above, bond_compute_features()
> > >   does not set the intersection of the 2 CSUM
> > >   features (should be NETIF_F_IP_CSUM)
> > > -----------
> > >
> > >    should the bond features in the case above include NETIF_F_IP_CSUM
> > > -
> > > To unsubscribe from this list: send the line "unsubscribe netdev" in
> > > the body of a message to majordomo@...r.kernel.org
> > > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> >
> > The bridge code already has a more complete/complex recompute
> > routine to handle this.
> >
> > --
> > Stephen Hemminger <shemminger@...ux-foundation.org>
> >

Sure, that would be easier for maintenance.

-- 
Stephen Hemminger <shemminger@...ux-foundation.org>
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