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-rw-r--r--include/linux/netpoll.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 2524267210d3..a765ea898549 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -21,15 +21,20 @@ struct netpoll {
21 __be32 local_ip, remote_ip; 21 __be32 local_ip, remote_ip;
22 u16 local_port, remote_port; 22 u16 local_port, remote_port;
23 u8 remote_mac[ETH_ALEN]; 23 u8 remote_mac[ETH_ALEN];
24
25 struct list_head rx; /* rx_np list element */
24}; 26};
25 27
26struct netpoll_info { 28struct netpoll_info {
27 atomic_t refcnt; 29 atomic_t refcnt;
30
28 int rx_flags; 31 int rx_flags;
29 spinlock_t rx_lock; 32 spinlock_t rx_lock;
30 struct netpoll *rx_np; /* netpoll that registered an rx_hook */ 33 struct list_head rx_np; /* netpolls that registered an rx_hook */
34
31 struct sk_buff_head arp_tx; /* list of arp requests to reply to */ 35 struct sk_buff_head arp_tx; /* list of arp requests to reply to */
32 struct sk_buff_head txq; 36 struct sk_buff_head txq;
37
33 struct delayed_work tx_work; 38 struct delayed_work tx_work;
34}; 39};
35 40
@@ -51,7 +56,7 @@ static inline int netpoll_rx(struct sk_buff *skb)
51 unsigned long flags; 56 unsigned long flags;
52 int ret = 0; 57 int ret = 0;
53 58
54 if (!npinfo || (!npinfo->rx_np && !npinfo->rx_flags)) 59 if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags))
55 return 0; 60 return 0;
56 61
57 spin_lock_irqsave(&npinfo->rx_lock, flags); 62 spin_lock_irqsave(&npinfo->rx_lock, flags);
@@ -67,7 +72,7 @@ static inline int netpoll_rx_on(struct sk_buff *skb)
67{ 72{
68 struct netpoll_info *npinfo = skb->dev->npinfo; 73 struct netpoll_info *npinfo = skb->dev->npinfo;
69 74
70 return npinfo && (npinfo->rx_np || npinfo->rx_flags); 75 return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);
71} 76}
72 77
73static inline int netpoll_receive_skb(struct sk_buff *skb) 78static inline int netpoll_receive_skb(struct sk_buff *skb)