[NET] rules: Unified rules dumping

[net-next-2.6.git] / include / net / rtnetlink.h

diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index dce7072bd28cfd830cab114ba147ba9592497605..086fa9e89509896423dca8b812c9ff22a72b29c6 100644 (file)
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -15,4 +15,12 @@ extern int   rtnl_unregister(int protocol, int msgtype);
 extern void    rtnl_unregister_all(int protocol);
 extern int     rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb);
 
+static inline int rtnl_msg_family(struct nlmsghdr *nlh)
+{
+       if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg))
+               return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family;
+       else
+               return AF_UNSPEC;
+}
+
 #endif