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;
19 void (*rx_hook)(struct netpoll *, int, char *, int);
20 void (*drop)(struct sk_buff *skb);
21 u32 local_ip, remote_ip;
22 u16 local_port, remote_port;
23 unsigned char local_mac[6], remote_mac[6];
33 void netpoll_poll(struct netpoll *np);
34 void netpoll_send_udp(struct netpoll *np, const char *msg, int len);
35 int netpoll_parse_options(struct netpoll *np, char *opt);
36 int netpoll_setup(struct netpoll *np);
37 int netpoll_trap(void);
38 void netpoll_set_trap(int trap);
39 void netpoll_cleanup(struct netpoll *np);
40 int __netpoll_rx(struct sk_buff *skb);
41 void netpoll_queue(struct sk_buff *skb);
44 static inline int netpoll_rx(struct sk_buff *skb)
46 struct netpoll_info *npinfo = skb->dev->npinfo;
48 if (!npinfo || !npinfo->rx_flags)
51 return npinfo->np && __netpoll_rx(skb);
54 static inline void netpoll_poll_lock(struct net_device *dev)
57 spin_lock(&dev->npinfo->poll_lock);
58 dev->npinfo->poll_owner = smp_processor_id();
62 static inline void netpoll_poll_unlock(struct net_device *dev)
65 dev->npinfo->poll_owner = -1;
66 spin_unlock(&dev->npinfo->poll_lock);
71 #define netpoll_rx(a) 0
72 #define netpoll_poll_lock(a)
73 #define netpoll_poll_unlock(a)