net: trans_start cleanups

Now that core network takes care of trans_start updates, dont do it
in drivers themselves, if possible. Drivers can avoid one cache miss
(on dev->trans_start) in their start_xmit() handler.

Exceptions are NETIF_F_LLTX drivers

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index 460c37fee965..40f47b8fe417 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -3184,8 +3184,6 @@ static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
                          ixgbevf_tx_map(adapter, tx_ring, skb, tx_flags, first),
                          skb->len, hdr_len);
 
-        netdev->trans_start = jiffies;
-
         ixgbevf_maybe_stop_tx(netdev, tx_ring, DESC_NEEDED);
 
         return NETDEV_TX_OK;