Enable skb_tx_timestamp in hyperv netvsc.

Signed-off-by: Simon Xiao <six...@microsoft.com>
Reviewed-by: K. Y. Srinivasan <k...@microsoft.com>
Reviewed-by: Haiyang Zhang <haiya...@microsoft.com>
---
 drivers/net/hyperv/netvsc_drv.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index c72e5b8..202e2b1 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -550,6 +550,8 @@ do_send:
        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 = {
-- 
2.5.0

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