Re: [patch net-next 01/16] net: introduce upper device lists

Jiri Pirko
2012-08-14T10:18:52Z

Tue, Aug 14, 2012 at 11:02:33AM CEST, xiyou.wangcong@gmail.com wrote:
>On 08/13/2012 11:27 PM, Jiri Pirko wrote:
>>This lists are supposed to serve for storing pointers to all upper devices.
>>Eventually it will replace dev->master pointer which is used for
>>bonding, bridge, team but it cannot be used for vlan, macvlan where
>>there might be multiple "masters" present.
>>
>>New upper device list resolves this limitation. Also, the information
>>stored in lists is used for preventing looping setups like
>>"bond->somethingelse->samebond"
>
>Hi, Jiri,
>
>I have some difficulty to understand this patch description, so take
>bridged bonding as an example, IIUC, both the bridge dev and bonding
>dev will be in the upper dev list of eth0 and eth1? And br0 will be
>in the upper dev list of bond0 too?

No. Only direct upper device is in the list.

>
>I think it would be nice to describe the hierarchy after your patches.

Hierarchy is the same after.

>
>Thanks!
>