Re: queuing to userspace for the bridge family, using nftables

[Pablo Neira Ayuso <pablo@netfilter.org>]

On Mon, Oct 06, 2014 at 07:26:42PM +0200, stéphane bryant wrote:
> Hello,
> 
> We are currently working on a project which may need the use of nftables
> to queue AF_BRIDGE packets to the userspace and back. Apparently this
> is already supported in the nftables code itself, but not in the
> bridge netfilter code (the corresponding nf_afinfo is missing, at least).
> 
> I would like to know if there are plans to support this? If yes, in what
> timeframe? If no, would you be interested if we were to submit a patch
> to that effect?

Please, submit patches.

> Also, what should be included in the payload send to userspace?
> (starting from the 802.3 LLC/protocol header, or also including up to
> the MAC addresses ?)

I think you have to include everything relevant from layer 2 upward. I
think it would be good if we indicate userspace that NFQA_PAYLOAD
starts from the mac header some way. So the same process can handle
packets coming from bridge and the ip layer.

Thanks.
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