netdev - Re: [PATCH net-next v4 0/6] net-timestamp: new tx tstamps and tcp

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Message-ID: <CA+FuTSen+eX-0VW+2vgt=ecaM8Wz1bKHXgiMk=UcAtepR1ewCQ@mail.gmail.com>
Date:	Thu, 7 Aug 2014 19:39:56 -0400
From:	Willem de Bruijn <willemb@...gle.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Network Development <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Richard Cochran <richardcochran@...il.com>
Subject: Re: [PATCH net-next v4 0/6] net-timestamp: new tx tstamps and tcp

On Thu, Aug 7, 2014 at 7:09 PM, Andi Kleen <andi@...stfloor.org> wrote:
> Willem de Bruijn <willemb@...gle.com> writes:
>
>> Extend socket tx timestamping:
>> - allow multiple types of software timestamps aside from send (1)
>> - add software timestamp on enter packet scheduling (4)
>> - add software timestamp for TCP (5)
>> - add software timestamp for TCP on ACK (6)
>
> Is there any freely available reference library or tool to make use of
> all these new time stamps?

I posted one on github.com/wdebruij/kerneltools earlier, but the
interface has changed in the meantime. I just updated it to work with
the latest API.

There are still references to the old MSG_TSTAMP API in the test file
(txtimestamp.c), so I will need to clean it up some more. But it
works as is.

The v1 patchset also had a patch to the documentation. I will revise
that to match the latest interface, too, and send both files for
inclusion in Documention once net-next opens.
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