Re: [Xen-devel] Problem with VLANs on tg3 NICs

["Christopher G. Stach II" <cgs@xxxxxxxxx>]

Ian Pratt wrote:
>> The problem is not with the bridge, the problem is with the tg3
>> driver. I believe that any network utility on top of the tg3 driver
>> would have the same problem, as the tg3 driver is stripping the vlan
>> tags before it passes them on.
> 
> Presumably the tg3 driver works fine if you're just using vconfig to
> 'terminate' particular vlan's in the kernel? 
> 
> Looking at the driver, you might want to try modifying tg3_rx to always
> call netif_receive_skb rather than tg3_vlan_rx
> 
> The other thing you could do is to copy the driver out of 2.6.20 to see
> if that helps.
> 
> Ian

The proprietary driver has tag stripping options, as well.  I have never
used it, though.

I think the tg3 driver will receive without tag stripping if the
interface is configured with a vlan (and then pass to the VLAN
interface), but always strip otherwise.  I haven't messed with it in a
long time, so I could be wrong.

-- 
Christopher G. Stach II

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