vserver 2.0 rc7

[linux-2.6.git] / include / linux / netpoll.h

diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index ccf1ccb..c0d8b90 100644 (file)
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -16,11 +16,14 @@ struct netpoll;
 struct netpoll {
        struct net_device *dev;
        char dev_name[16], *name;
+       int rx_flags;
        void (*rx_hook)(struct netpoll *, int, char *, int);
+       void (*drop)(struct sk_buff *skb);
        u32 local_ip, remote_ip;
        u16 local_port, remote_port;
        unsigned char local_mac[6], remote_mac[6];
-       struct list_head rx_list;
+       spinlock_t poll_lock;
+       int poll_owner;
 };
 
 void netpoll_poll(struct netpoll *np);
@@ -30,7 +33,35 @@ int netpoll_setup(struct netpoll *np);
 int netpoll_trap(void);
 void netpoll_set_trap(int trap);
 void netpoll_cleanup(struct netpoll *np);
-int netpoll_rx(struct sk_buff *skb);
+int __netpoll_rx(struct sk_buff *skb);
+void netpoll_queue(struct sk_buff *skb);
 
+#ifdef CONFIG_NETPOLL
+static inline int netpoll_rx(struct sk_buff *skb)
+{
+       return skb->dev->np && skb->dev->np->rx_flags && __netpoll_rx(skb);
+}
+
+static inline void netpoll_poll_lock(struct net_device *dev)
+{
+       if (dev->np) {
+               spin_lock(&dev->np->poll_lock);
+               dev->np->poll_owner = smp_processor_id();
+       }
+}
+
+static inline void netpoll_poll_unlock(struct net_device *dev)
+{
+       if (dev->np) {
+               spin_unlock(&dev->np->poll_lock);
+               dev->np->poll_owner = -1;
+       }
+}
+
+#else
+#define netpoll_rx(a) 0
+#define netpoll_poll_lock(a)
+#define netpoll_poll_unlock(a)
+#endif
 
 #endif