From: David Miller <davem@davemloft.net>
To: Manfred.Rudigier@omicron.at
Cc: netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
sandeep.kumar@freescale.com, scottwood@freescale.com
Subject: Re: [PATCH v2 net-next 2/2] gianfar: Add hardware TX timestamping support
Date: Tue, 13 Apr 2010 01:52:48 -0700 (PDT) [thread overview]
Message-ID: <20100413.015248.139841458.davem@davemloft.net> (raw)
In-Reply-To: <95DC1AA8EC908B48939B72CF375AA5E311B26A78@alice.at.omicron.at>
From: Manfred Rudigier <Manfred.Rudigier@omicron.at>
Date: Fri, 9 Apr 2010 11:10:35 +0200
> If a packet has the skb_shared_tx->hardware flag set the device is
> instructed to generate a TX timestamp and write it back to memory after
> the frame is transmitted. During the clean_tx_ring operation the
> timestamp will be extracted and copied into the skb_shared_hwtstamps
> struct of the skb.
>
> TX timestamping is enabled by setting the tx_type to something else
> than HWTSTAMP_TX_OFF with the SIOCSHWTSTAMP ioctl command. It is only
> supported by eTSEC devices.
>
> Signed-off-by: Manfred Rudigier <manfred.rudigier@omicron.at>
Applied to net-next-2.6
prev parent reply other threads:[~2010-04-13 8:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-09 9:10 [PATCH v2 net-next 2/2] gianfar: Add hardware TX timestamping support Manfred Rudigier
2010-04-13 8:52 ` David Miller [this message]
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