netdev - Re: [PATCH net-next v2 1/8] net-timestamp: explicit SO

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Message-ID: <20140705201851.GE3869@localhost.localdomain>
Date:	Sat, 5 Jul 2014 22:18:51 +0200
From:	Richard Cochran <richardcochran@...il.com>
To:	Willem de Bruijn <willemb@...gle.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	eric.dumazet@...il.com, richardcochran@...ail.com,
	stephen@...workplumber.org
Subject: Re: [PATCH net-next v2 1/8] net-timestamp: explicit SO_TIMESTAMPING
 ancillary data struct

On Thu, Jul 03, 2014 at 03:39:33PM -0400, Willem de Bruijn wrote:

> +#define SCM_TSTAMP_SND		0x1	/* driver passed skb to NIC */
> +#define SCM_TSTAMP_ACK		0x2	/* transport layer saw ACK */
> +#define SCM_TSTAMP_ENQ		0x4	/* stack passed skb to TC layer */
> +#define SCM_TSTAMP_RCV		0x8	/* stack received skb */
> +#define SCM_TSTAMP_HWSYS	0x10	/* NIC tstamp in system format */

We don't need this flag. Better to omit it, because we are not going
to allow this kind of time stamp ever again.

> +#define SCM_TSTAMP_HWRAW	0x20	/* NIC tstamp in native format */

Thanks,
Richard
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