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From: Richard Cochran <richardcochran@gmail.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Willem de Bruijn <willemb@google.com>,
	David Miller <davem@davemloft.net>,
	Network Development <netdev@vger.kernel.org>
Subject: Re: [PATCH rfc 1/4] net-timestamp: pull headers for SOCK_STREAM
Date: Thu, 27 Nov 2014 13:30:40 +0100	[thread overview]
Message-ID: <20141127123040.GA4443@localhost.localdomain> (raw)
In-Reply-To: <CALCETrW+2Q-R8ekVW=u=3Xb5YvYK=4RnuuWCvAG8pyc9eG6DQg@mail.gmail.com>

On Wed, Nov 26, 2014 at 04:36:39PM -0800, Andy Lutomirski wrote:
> Is there any reason to believe that unconditionally dropping the
> headers would break anything?  I find it a bit hard to believe that
> anyone has actually implemented logic to figure out *what* L2 header
> type should be decoded and decode it.

Documentation/networking/timestamping/timestamping.c

				else if (!memcmp(sync, data + res - sizeof(sync),
							sizeof(sync)))
					printf(" => GOT OUR DATA BACK (HURRAY!)");

The example program looks from the end of the buffer, ignoring the lower headers.

Thanks,
Richard

  reply	other threads:[~2014-11-27 12:30 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-25 17:58 [PATCH rfc 0/4] timestamping updates Willem de Bruijn
2014-11-25 17:58 ` [PATCH rfc 1/4] net-timestamp: pull headers for SOCK_STREAM Willem de Bruijn
2014-11-25 18:42   ` David Miller
2014-11-25 19:52     ` Willem de Bruijn
2014-11-25 19:54       ` David Miller
2014-11-25 21:39         ` Andy Lutomirski
2014-11-26 21:03           ` Willem de Bruijn
2014-11-27  0:36             ` Andy Lutomirski
2014-11-27 12:30               ` Richard Cochran [this message]
2014-11-25 17:58 ` [PATCH rfc 2/4] net-errqueue: add IP(V6)_PKTINFO support Willem de Bruijn
2014-11-25 18:04   ` Willem de Bruijn
2014-11-25 18:41   ` David Miller
2014-11-25 21:16   ` Willem de Bruijn
2014-11-25 17:58 ` [PATCH rfc 3/4] net-timestamp: tcp sockets return v6 errors on v6 sockets Willem de Bruijn
2014-11-25 18:41   ` David Miller
2014-11-25 19:53     ` Willem de Bruijn
2014-11-25 17:58 ` [PATCH rfc 4/4] net-timestamp: expand txtimestamp test with payload and PKTINFO Willem de Bruijn

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