netdev - Re: [PATCH] NET : Adding SO_TIMESTAMPNS / SCM

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Date:	Fri, 09 Mar 2007 14:17:24 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	dada1@...mosbay.com
Cc:	netdev@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH] NET : Adding SO_TIMESTAMPNS / SCM_TIMESTAMPNS support

From: Eric Dumazet <dada1@...mosbay.com>
Date: Fri, 9 Mar 2007 19:39:42 +0100

> [PATCH] NET : Adding SO_TIMESTAMPNS / SCM_TIMESTAMPNS support
> 
> Now that network timestamps use ktime_t infrastructure, we can add a new 
> SOL_SOCKET sockopt  SO_TIMESTAMPNS.
> 
> This command is similar to SO_TIMESTAMP, but permits transmission of 
> a 'timespec struct' instead of a 'timeval struct' control message. 
> (nanosecond resolution instead of microsecond)
> 
> Control message is labelled SCM_TIMESTAMPNS instead of SCM_TIMESTAMP
> 
> A socket cannot mix SO_TIMESTAMP and SO_TIMESTAMPNS : the two modes are 
> mutually exclusive.
> 
> sock_recv_timestamp() became too big to be fully inlined so I added a 
> __sock_recv_timestamp() helper function.
> 
> Signed-off-by: Eric Dumazet <dada1@...mosbay.com>
> CC: linux-arch@...r.kernel.org
> 

Applied, thanks for following up on all of this nanosecond
timestamp work.
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