Subject: Re: [PATCH net-next 2/7] net-timestamp: MSG_TSTAMP one-shot tx timestamps

From: Richard Cochran <[email-masked]>
Date: Wed, 25 Jun 2014 07:01:58 +0200

On Tue, Jun 24, 2014 at 11:43:47AM -0400, Willem de Bruijn wrote:
> The kernel support datagram tx timestamping through socket option
> SO_TIMESTAMPING. This patch add send() flag MSG_TSTAMP to allow
> selectively requesting a timestamp for a single packet.

This is a nice idea. I wonder whether the drivers will react
correctly, need to think about it.

> MSG_TSTAMP does not depend on SO_TIMESTAMPING. Enabling both
> concurrently is redundant, but safe.
> 
> This patch adds support for IPv4 and IPv6 UDP sendmsg().

What about raw?

Thanks,
Richard