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Date: Thu, 22 Jan 2015 18:36:59 -0800
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: Jacob Keller <jacob.e.keller@...el.com>, netdev@...r.kernel.org,
nhorman@...hat.com, sassmann@...hat.com, jogreene@...hat.com,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 03/15] virtio_net: add software timestamp support
From: Jacob Keller <jacob.e.keller@...el.com>
This patch enables the use of software timestamping via the virtio_net
driver.
Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/virtio_net.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 11e2e81..9bd71d5 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -925,6 +925,9 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
/* Free up any pending old buffers before queueing new ones. */
free_old_xmit_skbs(sq);
+ /* timestamp packet in software */
+ skb_tx_timestamp(skb);
+
/* Try to transmit */
err = xmit_skb(sq, skb);
@@ -1376,6 +1379,7 @@ static const struct ethtool_ops virtnet_ethtool_ops = {
.get_ringparam = virtnet_get_ringparam,
.set_channels = virtnet_set_channels,
.get_channels = virtnet_get_channels,
+ .get_ts_info = ethtool_op_get_ts_info,
};
#define MIN_MTU 68
--
1.9.3
--
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