[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <4A6837A8.9040208@trash.net>
Date: Thu, 23 Jul 2009 12:12:56 +0200
From: Patrick McHardy <kaber@...sh.net>
To: Sarveshwar Bandi <sarveshwarb@...verengines.com>
CC: davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH] be2net: Adding support for 802.1ad (q-in-q mode)
Sarveshwar Bandi wrote:
> On 23/07/09 11:48 +0200, Patrick McHardy wrote:
>> Sarveshwar Bandi wrote:
>>> On 23/07/09 11:25 +0200, Patrick McHardy wrote:
>>>> adapter->vlan_grp will always be the VLAN group associated directly with
>>>> the device, which is the group for the outer tag, not the inner one. So
>>>> this can't properly associate packets with the correct VLAN device.
>>>>
>>> In this case, vid is the inner vlan id in the packet. This is also the
>>> vlan id configured by vconfig.
>>
>> So where does the outer tag come from then? Please provide an example
>> how to configure this using Q-in-Q.
>>
> The outer vlan is totally transparent to the host. It is used by the NIC
> to demux packets across multiple pci network functions. Currently the
> outer vlan tags are configured on the NIC by OEM provided utilities.
I see. A proper changelog entry would have explained that and avoided
all this confusion. Not that I think using another tool for this is a
good solution, but no objections from a functional POV.
--
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
Powered by blists - more mailing lists