1 #ifndef __NET_RTNETLINK_H 2 #define __NET_RTNETLINK_H 3 4 #include <linux/rtnetlink.h> 5 #include <net/netlink.h> 6 7 typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *, void *); 8 typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *); 9 10 extern int __rtnl_register(int protocol, int msgtype, 11 rtnl_doit_func, rtnl_dumpit_func); 12 extern void rtnl_register(int protocol, int msgtype, 13 rtnl_doit_func, rtnl_dumpit_func); 14 extern int rtnl_unregister(int protocol, int msgtype); 15 extern void rtnl_unregister_all(int protocol); 16 extern int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb); 17 18 static inline int rtnl_msg_family(struct nlmsghdr *nlh) 19 { 20 if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg)) 21 return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family; 22 else 23 return AF_UNSPEC; 24 } 25 26 #endif 27