netdev - Re: [PATCH net] datagram: When peeking datagrams with offset

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Message-ID: <1604496.falisOBPe2@tjmaciei-mobl1>
Date:   Mon, 14 Aug 2017 11:33:48 -0700
From:   Thiago Macieira <thiago.macieira@...el.com>
To:     Willem de Bruijn <willemdebruijn.kernel@...il.com>
CC:     Matthew Dawson <matthew@...systems.ca>,
        Paolo Abeni <pabeni@...hat.com>,
        Network Development <netdev@...r.kernel.org>
Subject: Re: [PATCH net] datagram: When peeking datagrams with offset < 0 don't skip empty skbs

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