ALSA: sound/usb: add preliminary support for UAC2 interrupts

[safe/jmp/linux-2.6] / include / linux / netpoll.h

diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index de99025..a765ea8 100644 (file)
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -18,18 +18,23 @@ struct netpoll {
        const char *name;
        void (*rx_hook)(struct netpoll *, int, char *, int);
 
-       u32 local_ip, remote_ip;
+       __be32 local_ip, remote_ip;
        u16 local_port, remote_port;
        u8 remote_mac[ETH_ALEN];
+
+       struct list_head rx; /* rx_np list element */
 };
 
 struct netpoll_info {
        atomic_t refcnt;
+
        int rx_flags;
        spinlock_t rx_lock;
-       struct netpoll *rx_np; /* netpoll that registered an rx_hook */
+       struct list_head rx_np; /* netpolls that registered an rx_hook */
+
        struct sk_buff_head arp_tx; /* list of arp requests to reply to */
        struct sk_buff_head txq;
+
        struct delayed_work tx_work;
 };
 
@@ -51,7 +56,7 @@ static inline int netpoll_rx(struct sk_buff *skb)
        unsigned long flags;
        int ret = 0;
 
-       if (!npinfo || (!npinfo->rx_np && !npinfo->rx_flags))
+       if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags))
                return 0;
 
        spin_lock_irqsave(&npinfo->rx_lock, flags);
@@ -67,7 +72,7 @@ static inline int netpoll_rx_on(struct sk_buff *skb)
 {
        struct netpoll_info *npinfo = skb->dev->npinfo;
 
-       return npinfo && (npinfo->rx_np || npinfo->rx_flags);
+       return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);
 }
 
 static inline int netpoll_receive_skb(struct sk_buff *skb)