Patchwork net : enable tx time stamping in the vde driver.

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Submitter Paul Chavent
Date Dec. 6, 2012, 3:25 p.m.
Message ID <1354807505-21222-1-git-send-email-paul.chavent@onera.fr>
Download mbox | patch
Permalink /patch/204282/
State Not Applicable
Delegated to: David Miller
Headers show

Comments

Paul Chavent - Dec. 6, 2012, 3:25 p.m.
This new version moves the skb_tx_timestamp in the main uml
driver. This should avoid the need to call this function in each
transport (vde, slirp, tuntap, ...). It also add support for ethtool
get_ts_info.

Signed-off-by: Paul Chavent <paul.chavent@onera.fr>
---
 arch/um/drivers/net_kern.c | 2 ++
 1 file changed, 2 insertions(+)
Richard Cochran - Dec. 6, 2012, 6:57 p.m.
On Thu, Dec 06, 2012 at 04:25:05PM +0100, Paul Chavent wrote:
> This new version moves the skb_tx_timestamp in the main uml
> driver. This should avoid the need to call this function in each
> transport (vde, slirp, tuntap, ...). It also add support for ethtool
> get_ts_info.
> 
> Signed-off-by: Paul Chavent <paul.chavent@onera.fr>

Acked-by: Richard Cochran <richardcochran@gmail.com>
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Richard Weinberger - Dec. 6, 2012, 7:25 p.m.
Richard Cochran <richardcochran@gmail.com> schrieb:

>On Thu, Dec 06, 2012 at 04:25:05PM +0100, Paul Chavent wrote:
>> This new version moves the skb_tx_timestamp in the main uml
>> driver. This should avoid the need to call this function in each
>> transport (vde, slirp, tuntap, ...). It also add support for ethtool
>> get_ts_info.
>> 
>> Signed-off-by: Paul Chavent <paul.chavent@onera.fr>
>
>Acked-by: Richard Cochran <richardcochran@gmail.com>

Queued for 3.8.

Thanks,
//richard
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Patch

diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index b1314eb..5aa8696 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -218,6 +218,7 @@  static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	spin_lock_irqsave(&lp->lock, flags);
 
 	len = (*lp->write)(lp->fd, skb, lp);
+	skb_tx_timestampns(skb);
 
 	if (len == skb->len) {
 		dev->stats.tx_packets++;
@@ -281,6 +282,7 @@  static void uml_net_get_drvinfo(struct net_device *dev,
 static const struct ethtool_ops uml_net_ethtool_ops = {
 	.get_drvinfo	= uml_net_get_drvinfo,
 	.get_link	= ethtool_op_get_link,
+	.get_ts_info	= ethtool_op_get_ts_info,
 };
 
 static void uml_net_user_timer_expire(unsigned long _conn)