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Date:	Sat, 14 Apr 2012 02:16:27 -0700
From:	Jeff Kirsher <>
Cc:	Richard Cochran <>,,,,
	Jeff Kirsher <>
Subject: [net-next 2/6] e100: enable transmit time stamping.

From: Richard Cochran <>

This patch enables software (and phy device) transmit time stamping.
Tested on an old PIII laptop with built in NIC.

Signed-off-by: Richard Cochran <>
Tested-by: Aaron Brown <>
Signed-off-by: Jeff Kirsher <>
 drivers/net/ethernet/intel/e100.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index e4d4c17..ada720b 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -1759,6 +1759,7 @@ static void e100_xmit_prepare(struct nic *nic, struct cb *cb,
 		skb->data, skb->len, PCI_DMA_TODEVICE));
 	/* check for mapping failure? */
 	cb->u.tcb.tbd.size = cpu_to_le16(skb->len);
+	skb_tx_timestamp(skb);
 static netdev_tx_t e100_xmit_frame(struct sk_buff *skb,

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