ixgbe: support software timestamping
authorJacob Keller <jacob.e.keller@intel.com>
Fri, 4 May 2012 01:55:23 +0000 (01:55 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Thu, 10 May 2012 06:13:26 +0000 (23:13 -0700)
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>
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

index 1ad6e2aa1dc8e4c3eb303b804be00814b28036f2..05f66a24da2aa37da48b077623a27fb85a455c66 100644 (file)
@@ -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;