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SubjectRE: Scaling problem with a lot of AF_PACKET sockets on different interfaces
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On Fri, 2013-06-07 at 15:09 +0100, David Laight wrote:
> > > Looks like the ptype_base[] should be per 'dev'?
> > > Or just put entries where ptype->dev != null_or_dev on a per-interface
> > > list and do two searches?
> >
> > Yes, but then we would have two searches instead of one in fast path.
>
> Usually it would be empty - so the search would be very quick!

quick + quick + quick + quick + quick == not so quick ;)

Plus adding another code for /proc/net/packet

Plus adding the xmit side (AF_PACKET captures receive and xmit)





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