macb: enable transmit time stamping.

This patch enables software (and phy device) transmit time stamping
Compile tested only.

Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Cochran 2011-06-19 21:51:28 +00:00 committed by David S. Miller
parent d6cf07327e
commit e072092fc7

View File

@ -670,6 +670,8 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
entry = NEXT_TX(entry);
bp->tx_head = entry;
skb_tx_timestamp(skb);
macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TSTART));
if (TX_BUFFS_AVAIL(bp) < 1)