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Commit 074c3582 authored by Jacob Keller's avatar Jacob Keller Committed by Jeff Kirsher
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virtio_net: add software timestamp support 



This patch enables the use of software timestamping via the virtio_net
driver.

Signed-off-by: default avatarJacob Keller <jacob.e.keller@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 6930895d

drivers/net/virtio_net.c

+4 −0
Original line number Diff line number Diff line
@@ -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