From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thiago Macieira <thiago.macieira@intel.com>
Subject: Re: [PATCH net] datagram: When peeking datagrams with offset < 0 don't skip empty skbs
Date: Mon, 14 Aug 2017 11:33:48 -0700
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References: <20170814055259.31078-1-matthew@mjdsystems.ca> <13347366.nbnduK6AMs@tjmaciei-mobl1> <CAF=yD-JwAidB+Hc+sH9woBMR=3JUnbneB3fCRiJ3wmt3gzTcMg@mail.gmail.com>
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Cc: Matthew Dawson <matthew@mjdsystems.ca>,
        Paolo Abeni <pabeni@redhat.com>,
        Network Development <netdev@vger.kernel.org>
To: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
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On Monday, 14 August 2017 11:25:23 PDT Willem de Bruijn wrote:
> > Do applications using SOCK_DGRAM rely on the behaviour of skipping over
> > datagrams that are too short?
> 
> It is established behavior. It cannot be ruled out that an application
> somewhere depends on it.

Understood.

By the way, what were the usecases for the peek offset feature?

Also, do they apply to non-peeking recv?

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center