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,
};
# 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;
set_bit(NAPI_STATE_SCHED, &napi->state);
}
+/**
+ * netif_napi_del - remove a napi context
+ * @napi: napi context
+ *
+ * netif_napi_del() removes a napi context from the network device napi list
+ */
+static inline void netif_napi_del(struct napi_struct *napi)
+{
+#ifdef CONFIG_NETPOLL
+ list_del(&napi->dev_list);
+#endif
+}
+
struct packet_type {
__be16 type; /* This is really htons(ether_type). */
struct net_device *dev; /* NULL is wildcarded here */
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);
}
*
* 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);
}
/**
* 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);
}
/**
* 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);
}
/**
*
* 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);
}
/**
*/
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);
}
/**
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);
}
/**
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);
}
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);
}
extern int netif_rx_ni(struct sk_buff *skb);
#define HAVE_NETIF_RECEIVE_SKB 1
extern int netif_receive_skb(struct sk_buff *skb);
+extern void netif_nit_deliver(struct sk_buff *skb);
extern int dev_valid_name(const char *name);
extern int dev_ioctl(struct net *net, unsigned int cmd, void __user *);
extern int dev_ethtool(struct net *net, struct ifreq *);