X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fnetpoll.h;h=a765ea89854989318d50d2371ad71dee60566048;hb=50d11d190afa4e21284b735bb0a092036f298f0b;hp=2cc9867b16260e58ce9c4adaeb5ba7d7f61e453b;hpb=bf6bce71eae386dbc37f93af7e5ad173450d9945;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 2cc9867..a765ea8 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -18,25 +18,29 @@ 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 local_mac[ETH_ALEN], remote_mac[ETH_ALEN];
+	u8 remote_mac[ETH_ALEN];
+
+	struct list_head rx; /* rx_np list element */
 };
 
 struct netpoll_info {
 	atomic_t refcnt;
-	spinlock_t poll_lock;
-	int poll_owner;
+
 	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 work_struct tx_work;
+
+	struct delayed_work tx_work;
 };
 
 void netpoll_poll(struct netpoll *np);
 void netpoll_send_udp(struct netpoll *np, const char *msg, int len);
+void netpoll_print_options(struct netpoll *np);
 int netpoll_parse_options(struct netpoll *np, char *opt);
 int netpoll_setup(struct netpoll *np);
 int netpoll_trap(void);
@@ -52,7 +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);
@@ -64,32 +68,67 @@ static inline int netpoll_rx(struct sk_buff *skb)
 	return ret;
 }
 
-static inline void *netpoll_poll_lock(struct net_device *dev)
+static inline int netpoll_rx_on(struct sk_buff *skb)
+{
+	struct netpoll_info *npinfo = skb->dev->npinfo;
+
+	return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);
+}
+
+static inline int netpoll_receive_skb(struct sk_buff *skb)
 {
+	if (!list_empty(&skb->dev->napi_list))
+		return netpoll_rx(skb);
+	return 0;
+}
+
+static inline void *netpoll_poll_lock(struct napi_struct *napi)
+{
+	struct net_device *dev = napi->dev;
+
 	rcu_read_lock(); /* deal with race on ->npinfo */
-	if (dev->npinfo) {
-		spin_lock(&dev->npinfo->poll_lock);
-		dev->npinfo->poll_owner = smp_processor_id();
-		return dev->npinfo;
+	if (dev && dev->npinfo) {
+		spin_lock(&napi->poll_lock);
+		napi->poll_owner = smp_processor_id();
+		return napi;
 	}
 	return NULL;
 }
 
 static inline void netpoll_poll_unlock(void *have)
 {
-	struct netpoll_info *npi = have;
+	struct napi_struct *napi = have;
 
-	if (npi) {
-		npi->poll_owner = -1;
-		spin_unlock(&npi->poll_lock);
+	if (napi) {
+		napi->poll_owner = -1;
+		spin_unlock(&napi->poll_lock);
 	}
 	rcu_read_unlock();
 }
 
 #else
-#define netpoll_rx(a) 0
-#define netpoll_poll_lock(a) NULL
-#define netpoll_poll_unlock(a)
+static inline int netpoll_rx(struct sk_buff *skb)
+{
+	return 0;
+}
+static inline int netpoll_rx_on(struct sk_buff *skb)
+{
+	return 0;
+}
+static inline int netpoll_receive_skb(struct sk_buff *skb)
+{
+	return 0;
+}
+static inline void *netpoll_poll_lock(struct napi_struct *napi)
+{
+	return NULL;
+}
+static inline void netpoll_poll_unlock(void *have)
+{
+}
+static inline void netpoll_netdev_init(struct net_device *dev)
+{
+}
 #endif
 
 #endif