From: Aaron Brown <aaron.f.brown@intel.com>
To: Stefan Assmann <sassmann@kpanic.de>
Cc: e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org,
davem@davemloft.net
Subject: Re: [PATCH net-next] igb: enable VLAN stripping for VMs with i350
Date: Fri, 07 Feb 2014 21:29:39 -0800 [thread overview]
Message-ID: <1391837379.1875.8.camel@localhost> (raw)
In-Reply-To: <1386754354-22039-1-git-send-email-sassmann@kpanic.de>
On Wed, 2013-12-11 at 10:32 +0100, Stefan Assmann wrote:
> For i350 VLAN stripping for VMs is not enabled in the VMOLR register
> but in
> the DVMOLR register. Making the changes accordingly. It's not
> necessary to
> unset the E1000_VMOLR_STRVLAN bit on i350 as the hardware will simply
> ignore
> it.
>
> Without this change if a VLAN is configured for a VF assigned to a
> guest
> via (i.e.)
> ip link set p1p1 vf 0 vlan 10
> the VLAN tag will not be stripped from packets going into the VM.
> Which they
> should be because the VM itself is not aware of the VLAN at all.
>
> Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
> ---
> drivers/net/ethernet/intel/igb/e1000_82575.h | 4 ++++
> drivers/net/ethernet/intel/igb/e1000_regs.h | 1 +
> drivers/net/ethernet/intel/igb/igb_main.c | 7 +++++++
> 3 files changed, 12 insertions(+)
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prev parent reply other threads:[~2014-02-08 5:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-11 9:32 [PATCH net-next] igb: enable VLAN stripping for VMs with i350 Stefan Assmann
2013-12-11 14:05 ` Jeff Kirsher
2014-02-08 5:29 ` Aaron Brown [this message]
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