Re: [RFC PATCH] net/core: fix skb handling on netif serves for bothbridge and vlan

[Jiri Pirko]

Sat, Mar 05, 2011 at 02:53:47PM CET, nicolas.2p.debian@xxxxxxxxx wrote:
>Le 05/03/2011 11:36, Jiri Pirko a écrit :
>>Thu, Mar 03, 2011 at 11:55:13AM CET, dfeng@xxxxxxxxxx wrote:
>>>Consider network topology as follows:
>>>
>>>eth0  eth1
>>>|_____|
>>>    |
>>>  bond0 --- br0
>>>    |
>>>  vlan0 --- br1
>>>
>>>bond0 serves for both br0 and vlan0, if a vlan tagged packet was sent
>>>to br1 through bond0, bridge handling code is seeing the packet on bond0
>>>and handing it off to my "legacy" bridge before vlan_tx_tag_present
>>>and vlan_hwaccel_do_receive even haven't a chance to look at it.
>>>
>>>Moving the vlan_tx_tag_present before bridge/macvlan handling code could
>>>cure this.
>>
>>Wouldn't this break "eth0 - br0 - br0.5"?
>
>I think it would. One more reason to build a single interface stacking framework...

I plan to deal with vlans later. This kind of topology would not be
possible after that :)
>
>	Nicolas.
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