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ixgbe: support software timestamping 

Kernel software timestamping requires that the driver calls skb_tx_timestamp
just before passing the skb to the MAC, in order to provide the best software
timestamps. This patch adds this call for that support.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jacob Keller 2012-05-04 01:55:23 +00:00 committed by Jeff Kirsher
parent e3aac889c7
commit aa7bd467e3
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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@ -6298,6 +6298,8 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
tx_flags |= IXGBE_TX_FLAGS_SW_VLAN;
}
skb_tx_timestamp(skb);
#ifdef CONFIG_IXGBE_PTP
if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;