diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdevice.h | 55 | ||||
| -rw-r--r-- | include/net/pkt_sched.h | 2 |
2 files changed, 40 insertions, 17 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index e2d931f9b70..203c5504fe4 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -281,14 +281,12 @@ struct header_ops { enum netdev_state_t { - __LINK_STATE_XOFF=0, __LINK_STATE_START, __LINK_STATE_PRESENT, __LINK_STATE_SCHED, __LINK_STATE_NOCARRIER, __LINK_STATE_LINKWATCH_PENDING, __LINK_STATE_DORMANT, - __LINK_STATE_QDISC_RUNNING, }; @@ -448,10 +446,17 @@ static inline void napi_synchronize(const struct napi_struct *n) # define napi_synchronize(n) barrier() #endif +enum netdev_queue_state_t +{ + __QUEUE_STATE_XOFF, + __QUEUE_STATE_QDISC_RUNNING, +}; + struct netdev_queue { spinlock_t lock; struct net_device *dev; struct Qdisc *qdisc; + unsigned long state; struct sk_buff *gso_skb; spinlock_t _xmit_lock; int xmit_lock_owner; @@ -952,9 +957,7 @@ extern void __netif_schedule(struct netdev_queue *txq); static inline void netif_schedule_queue(struct netdev_queue *txq) { - struct net_device *dev = txq->dev; - - if (!test_bit(__LINK_STATE_XOFF, &dev->state)) + if (!test_bit(__QUEUE_STATE_XOFF, &txq->state)) __netif_schedule(txq); } @@ -969,9 +972,14 @@ static inline void netif_schedule(struct net_device *dev) * * Allow upper layers to call the device hard_start_xmit routine. */ +static inline void netif_tx_start_queue(struct netdev_queue *dev_queue) +{ + clear_bit(__QUEUE_STATE_XOFF, &dev_queue->state); +} + static inline void netif_start_queue(struct net_device *dev) { - clear_bit(__LINK_STATE_XOFF, &dev->state); + netif_tx_start_queue(&dev->tx_queue); } /** @@ -981,16 +989,21 @@ static inline void netif_start_queue(struct net_device *dev) * Allow upper layers to call the device hard_start_xmit routine. * Used for flow control when transmit resources are available. */ -static inline void netif_wake_queue(struct net_device *dev) +static inline void netif_tx_wake_queue(struct netdev_queue *dev_queue) { #ifdef CONFIG_NETPOLL_TRAP if (netpoll_trap()) { - clear_bit(__LINK_STATE_XOFF, &dev->state); + clear_bit(__QUEUE_STATE_XOFF, &dev_queue->state); return; } #endif - if (test_and_clear_bit(__LINK_STATE_XOFF, &dev->state)) - __netif_schedule(&dev->tx_queue); + if (test_and_clear_bit(__QUEUE_STATE_XOFF, &dev_queue->state)) + __netif_schedule(dev_queue); +} + +static inline void netif_wake_queue(struct net_device *dev) +{ + netif_tx_wake_queue(&dev->tx_queue); } /** @@ -1000,9 +1013,14 @@ static inline void netif_wake_queue(struct net_device *dev) * Stop upper layers calling the device hard_start_xmit routine. * Used for flow control when transmit resources are unavailable. */ +static inline void netif_tx_stop_queue(struct netdev_queue *dev_queue) +{ + set_bit(__QUEUE_STATE_XOFF, &dev_queue->state); +} + static inline void netif_stop_queue(struct net_device *dev) { - set_bit(__LINK_STATE_XOFF, &dev->state); + netif_tx_stop_queue(&dev->tx_queue); } /** @@ -1011,9 +1029,14 @@ static inline void netif_stop_queue(struct net_device *dev) * * Test if transmit queue on device is currently unable to send. */ +static inline int netif_tx_queue_stopped(const struct netdev_queue *dev_queue) +{ + return test_bit(__QUEUE_STATE_XOFF, &dev_queue->state); +} + static inline int netif_queue_stopped(const struct net_device *dev) { - return test_bit(__LINK_STATE_XOFF, &dev->state); + return netif_tx_queue_stopped(&dev->tx_queue); } /** @@ -1043,7 +1066,7 @@ static inline int netif_running(const struct net_device *dev) */ static inline void netif_start_subqueue(struct net_device *dev, u16 queue_index) { - clear_bit(__LINK_STATE_XOFF, &dev->egress_subqueue[queue_index].state); + clear_bit(__QUEUE_STATE_XOFF, &dev->egress_subqueue[queue_index].state); } /** @@ -1059,7 +1082,7 @@ static inline void netif_stop_subqueue(struct net_device *dev, u16 queue_index) if (netpoll_trap()) return; #endif - set_bit(__LINK_STATE_XOFF, &dev->egress_subqueue[queue_index].state); + set_bit(__QUEUE_STATE_XOFF, &dev->egress_subqueue[queue_index].state); } /** @@ -1072,7 +1095,7 @@ static inline void netif_stop_subqueue(struct net_device *dev, u16 queue_index) static inline int __netif_subqueue_stopped(const struct net_device *dev, u16 queue_index) { - return test_bit(__LINK_STATE_XOFF, + return test_bit(__QUEUE_STATE_XOFF, &dev->egress_subqueue[queue_index].state); } @@ -1095,7 +1118,7 @@ static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index) if (netpoll_trap()) return; #endif - if (test_and_clear_bit(__LINK_STATE_XOFF, + if (test_and_clear_bit(__QUEUE_STATE_XOFF, &dev->egress_subqueue[queue_index].state)) __netif_schedule(&dev->tx_queue); } diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h index 2311d242bb3..d58c1a5eb84 100644 --- a/include/net/pkt_sched.h +++ b/include/net/pkt_sched.h @@ -91,7 +91,7 @@ static inline void qdisc_run(struct netdev_queue *txq) struct net_device *dev = txq->dev; if (!netif_queue_stopped(dev) && - !test_and_set_bit(__LINK_STATE_QDISC_RUNNING, &dev->state)) + !test_and_set_bit(__QUEUE_STATE_QDISC_RUNNING, &txq->state)) __qdisc_run(txq); } |