2 * Common code for low-level network console, dump, and debugger code
4 * Derived from netconsole, kgdb-over-ethernet, and netdump patches
7 #ifndef _LINUX_NETPOLL_H
8 #define _LINUX_NETPOLL_H
10 #include <linux/netdevice.h>
11 #include <linux/interrupt.h>
12 #include <linux/list.h>
17 struct net_device *dev;
18 char dev_name[16], *name;
20 void (*rx_hook)(struct netpoll *, int, char *, int);
21 void (*drop)(struct sk_buff *skb);
22 u32 local_ip, remote_ip;
23 u16 local_port, remote_port;
24 unsigned char local_mac[6], remote_mac[6];
29 void netpoll_poll(struct netpoll *np);
30 void netpoll_send_udp(struct netpoll *np, const char *msg, int len);
31 int netpoll_parse_options(struct netpoll *np, char *opt);
32 int netpoll_setup(struct netpoll *np);
33 int netpoll_trap(void);
34 void netpoll_set_trap(int trap);
35 void netpoll_cleanup(struct netpoll *np);
36 int __netpoll_rx(struct sk_buff *skb);
37 void netpoll_queue(struct sk_buff *skb);
40 static inline int netpoll_rx(struct sk_buff *skb)
42 return skb->dev->np && skb->dev->np->rx_flags && __netpoll_rx(skb);
45 static inline void netpoll_poll_lock(struct net_device *dev)
48 spin_lock(&dev->np->poll_lock);
49 dev->np->poll_owner = smp_processor_id();
53 static inline void netpoll_poll_unlock(struct net_device *dev)
56 spin_unlock(&dev->np->poll_lock);
57 dev->np->poll_owner = -1;
62 #define netpoll_rx(a) 0
63 #define netpoll_poll_lock(a)
64 #define netpoll_poll_unlock(a)