diff options
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index bcf012637d10..63580e6d0df4 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -581,7 +581,7 @@ struct netdev_queue { spinlock_t _xmit_lock ____cacheline_aligned_in_smp; int xmit_lock_owner; /* - * please use this field instead of dev->trans_start + * Time (in jiffies) of last Tx */ unsigned long trans_start; @@ -1545,7 +1545,6 @@ enum netdev_priv_flags { * * @offload_fwd_mark: Offload device fwding mark * - * @trans_start: Time (in jiffies) of last Tx * @watchdog_timeo: Represents the timeout that is used by * the watchdog (see dev_watchdog()) * @watchdog_timer: List of timers @@ -1794,13 +1793,6 @@ struct net_device { #endif /* These may be needed for future network-power-down code. */ - - /* - * trans_start here is expensive for high speed devices on SMP, - * please use netdev_queue->trans_start instead. - */ - unsigned long trans_start; - struct timer_list watchdog_timer; int __percpu *pcpu_refcnt; @@ -3481,6 +3473,15 @@ static inline void txq_trans_update(struct netdev_queue *txq) txq->trans_start = jiffies; } +/* legacy drivers only, netdev_start_xmit() sets txq->trans_start */ +static inline void netif_trans_update(struct net_device *dev) +{ + struct netdev_queue *txq = netdev_get_tx_queue(dev, 0); + + if (txq->trans_start != jiffies) + txq->trans_start = jiffies; +} + /** * netif_tx_lock - grab network device transmit lock * @dev: network device |