Re: [PATCH net] bridge: ebtables: fix reception of frames DNAT-ed to bridge device

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On Wed, Mar 15, 2017 at 07:15:39PM +0100, Pablo Neira Ayuso wrote:
> Could you update ebtables dnat to check if the ethernet address
> matches the one of the input bridge interface, so we mangle the
> ->pkt_type accordingly from there, instead of doing this from the
> core?

Actually, that was the approach I thought about and went for first
(and it would probably work for me). Just checking against the
bridge device's net_device::dev_addr.

I scratched it though, as I was afraid that the issue might still
exist for people using some other upper device on top of the bridge
device. For instance, macvlan? And iterating over the
net_device::dev_addrs list seemed too costly for fast path to me.
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