netdev - Re: [PATCH net-next 1/8] bridge: bridge port parameters over netlink

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Date:	Wed, 31 Oct 2012 18:33:29 -0700
From:	John Fastabend <john.r.fastabend@...el.com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/8] bridge: bridge port parameters over netlink

[...]

>> here I added nested bridge attributes to IFLA_AF_SPEC and pass them down
>> to the drivers as needed. Should we merge these two sets so that we have
>> only a single nested set of bridge attributes? Either in IFLA_AF_SPEC or
>> IFLA_PROTINFO.
>>

[...]

>
> This is an area where there is no clear choice.
> I would like to keep AF_UNSPEC for non-protocol stuff,
> that is why I targeted PF_BRIDGE:IFLA_PROTINFO.
>

Works for me.

> Other alternative would be to add sysctl which is less message
> based, but is more general. (ie. /default and /all are available).
>

I would just assume use netlink seeing this is common for all the other
networking bits and any networking app is already likely to be handling
these events.

.John
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