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Date:	Wed, 30 May 2007 09:58:38 -0700
From:	"Laurent Chavey" <chavey@...gle.com>
To:	"Stephen Hemminger" <shemminger@...ux-foundation.org>
Cc:	netdev@...r.kernel.org
Subject: Re: bond_compute_features() does not handle devices with different CSUM

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
> > -
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>
> The bridge code already has a more complete/complex recompute
> routine to handle this.
>
> --
> Stephen Hemminger <shemminger@...ux-foundation.org>
>
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