netdev - Re: [PATCH] packet: support for TX time stamps on RAW sockets

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Date:	Wed, 07 Apr 2010 21:47:59 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	richardcochran@...il.com
Cc:	netdev@...r.kernel.org, patrick.ohly@...el.com
Subject: Re: [PATCH] packet: support for TX time stamps on RAW sockets

From: Richard Cochran <richardcochran@...il.com>
Date: Tue, 6 Apr 2010 16:30:30 +0200

> Enable the SO_TIMESTAMPING socket infrastructure for raw packet sockets.
> For lack of a better idea, we have elected to use PACKET_RECV_OUTPUT for
> the control message cmsg_type. This macro currently is not used anywhere
> within the kernel.
> 
> Similar support for UDP and CAN sockets was added in commit
> 51f31cabe3ce5345b51e4a4f82138b38c4d5dc91
> 
> Signed-off-by: Richard Cochran <richard.cochran@...cron.at>

Why not add some new value, with a well formed name, just to make it
explicit what it's used for?


> +	put_cmsg(msg,SOL_PACKET,PACKET_RECV_OUTPUT,sizeof(serr->ee),&serr->ee);

Spaces between arguments, and you'll thus need to break this up into
multiple lines to keep it within 80 columns.
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