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hv_netvsc: add software transmit timestamp support 

Enable skb_tx_timestamp in hyperv netvsc.

Signed-off-by: Simon Xiao <sixiao@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
sixiao@microsoft.com 2016-02-17 16:43:59 -08:00 committed by David S. Miller
parent e0d8c1b738
commit 76d13b5687
1 changed files with 3 additions and 0 deletions
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3
drivers/net/hyperv/netvsc_drv.c
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@ -550,6 +550,8 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
packet->page_buf_cnt = init_page_array(rndis_msg, rndis_msg_size,
skb, packet, &pb);
/* timestamp packet in software */
skb_tx_timestamp(skb);
ret = netvsc_send(net_device_ctx->device_ctx, packet,
rndis_msg, &pb, skb);
@ -920,6 +922,7 @@ static const struct ethtool_ops ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_channels = netvsc_get_channels,
.set_channels = netvsc_set_channels,
.get_ts_info = ethtool_op_get_ts_info,
};
static const struct net_device_ops device_ops = {