From: Richard Cochran <richardcochran@gmail.com> Date: Sun, 19 Jun 2011 21:51:31 +0000 (+0000) Subject: pxa168_eth: enable transmit time stamping. X-Git-Tag: firefly_0821_release~3680^2~5008^2~402 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1f6e44a6dc21a5d2abb068063acbbf64f8cee548;p=firefly-linux-kernel-4.4.55.git pxa168_eth: enable transmit time stamping. This patch enables software (and phy device) transmit time stamping Compile tested only. Cc: Sachin Sanap <ssanap@marvell.com> Cc: Zhangfei Gao <zgao6@marvell.com> Cc: Philip Rakity <prakity@marvell.com> Cc: Mark Brown <markb@marvell.com> Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David S. Miller <davem@davemloft.net> --- diff --git a/drivers/net/pxa168_eth.c b/drivers/net/pxa168_eth.c index 89f7540d90f9..e224740c6e2a 100644 --- a/drivers/net/pxa168_eth.c +++ b/drivers/net/pxa168_eth.c @@ -1267,6 +1267,9 @@ static int pxa168_eth_start_xmit(struct sk_buff *skb, struct net_device *dev) pep->tx_skb[tx_index] = skb; desc->byte_cnt = length; desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE); + + skb_tx_timestamp(skb); + wmb(); desc->cmd_sts = BUF_OWNED_BY_DMA | TX_GEN_CRC | TX_FIRST_DESC | TX_ZERO_PADDING | TX_LAST_DESC | TX_EN_INT;