include/net/rtnetlink.h

   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
  17 static 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