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Re: bridge diffs
On 29/05/2012 5:31 AM, Robert Swindells wrote:
> Darren Reed wrote:
>> What is the goal of the bpf_mtap() calls in bridge_input()?
> Help people work out whether their bridge is set up correctly.
>> At present, they reflect what packets are sent, rather than
>> what is actually received. There are many paths through
>> bridge_input() for a received packet to not be returned via
>> bpf and that concerns me because a received packet may go
>> missing when in fact it should be recorded.
> I felt that it was more useful to only log packets that are being
> transferred across the bridge.
> It is easy enough to apply a tap to a member interface as well to
> see any differences.
Ok, so the bpf_mtap calls in bridge are to support sniffing
bridged packets. Sounds good.
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