netdev - Re: raw PF_PACKET protocol selection

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Message-Id: <E1If5b3-00043F-00@gondolin.me.apana.org.au>
Date:	Tue, 09 Oct 2007 11:17:25 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	joakim.tjernlund@...nsmode.se
Cc:	netdev@...r.kernel.org
Subject: Re: raw PF_PACKET protocol selection

Joakim Tjernlund <joakim.tjernlund@...nsmode.se> wrote:
> 
> I trying to open my own raw PF_PACKET socket to receive 
> pkgs sent to this socket. I can only make ETH_P_ALL protocol
> work, but then I receive all pkgs and I want pkgs with a specific
> protocol type. I have tried lots of ETH_P types and none of them work.
> Naturally I make sure the sender is using the same protocol as my test
> program below. I guess I must be doing something wrong???

Your program works fine here.  You did run it as root, right?
Did you try stracing it?

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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