Commit aa7bd467 authored May 04, 2012 by Jacob Keller Committed by Jeff Kirsher May 09, 2012

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>

parent e3aac889

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;