1#ifndef __NET_RTNETLINK_H 2#define __NET_RTNETLINK_H 3 4#include <linux/rtnetlink.h> 5#include <net/netlink.h> 6 7typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *, void *); 8typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *); 9 10extern int __rtnl_register(int protocol, int msgtype, 11 rtnl_doit_func, rtnl_dumpit_func); 12extern void rtnl_register(int protocol, int msgtype, 13 rtnl_doit_func, rtnl_dumpit_func); 14extern int rtnl_unregister(int protocol, int msgtype); 15extern void rtnl_unregister_all(int protocol); 16 17static inline int rtnl_msg_family(struct nlmsghdr *nlh) 18{ 19 if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg)) 20 return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family; 21 else 22 return AF_UNSPEC; 23} 24 25#endif 26