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usbnet: add timestamping support

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In order to make USB-to-Ethernet-adapters (depending on usbnet) support
timestamping, the "skb_defer_rx_timestamp" and "skb_tx_timestamp" function
calls are added.

Signed-off-by: Michael Riesch <michael@riesch.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Riesch 2011-09-29 04:06:26 +00:00 committed by David S. Miller
parent 7f5c6addcd
commit f9b491ecc4
1 changed files with 6 additions and 0 deletions
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6
drivers/net/usb/usbnet.c
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@ -238,6 +238,10 @@ void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb)
netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n",
skb->len + sizeof (struct ethhdr), skb->protocol);
memset (skb->cb, 0, sizeof (struct skb_data));
if (skb_defer_rx_timestamp(skb))
return;
status = netif_rx (skb);
if (status != NET_RX_SUCCESS)
netif_dbg(dev, rx_err, dev->net,
@ -1053,6 +1057,8 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
unsigned long flags;
int retval;
skb_tx_timestamp(skb);
// some devices want funky USB-level framing, for
// win32 driver (usually) and/or hardware quirks
if (info->tx_fixup) {