Re: [RFC PATCH] af_packet: don't to defrag shared skb

[Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>]

HI,

> > That's interesting. A single one seems odd. I might have expected two,
> > but not one. Well, since you removed the crash ... I guess I'll have to
> > believe that there's just one and the second one doesn't show up because
> > we crashed before :-)
> 
> It was the case with initial code but I've suppressed the BUG() call and
> replaced it with a return ;)

Right. Well, does it actually still work then? I wonder if then you
don't see a second packet because the first one doesn't make it
through ... I'm thinking that this is just an internal af_packet problem
with multiple listeners.


> I've no simple code available to test it. I've add the problem when
> running suricata. Maybe you could use it. It is packaged in most
> distribution now.
> To enable packet fanout. Modify default /etc/suricata/suricata.yaml to
> have something like:
> af-packet:
>   - interface: wlan0
>     # Number of receive threads (>1 will enable experimental flow pinned
>     # runmode)
>     threads: 3

That'll should do, thanks.

johannes

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