[RTNL]: Message handler registration interface

This patch adds a new interface to register rtnetlink message
handlers replacing the exported rtnl_links[] array which
required many message handlers to be exported unnecessarly.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 18 insertions, 7 deletions

diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 3a4cb242ecd2..1fae30af91f3 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -574,13 +574,6 @@ extern int rtattr_parse(struct rtattr *tb[], int maxattr, struct rtattr *rta, in
 #define rtattr_parse_nested(tb, max, rta) \
         rtattr_parse((tb), (max), RTA_DATA((rta)), RTA_PAYLOAD((rta)))
 
-struct rtnetlink_link
-{
-        int (*doit)(struct sk_buff *, struct nlmsghdr*, void *attr);
-        int (*dumpit)(struct sk_buff *, struct netlink_callback *cb);
-};
-
-extern struct rtnetlink_link * rtnetlink_links[NPROTO];
 extern int rtnetlink_send(struct sk_buff *skb, u32 pid, u32 group, int echo);
 extern int rtnl_unicast(struct sk_buff *skb, u32 pid);
 extern int rtnl_notify(struct sk_buff *skb, u32 pid, u32 group,
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
new file mode 100644
index 000000000000..dce7072bd28c
--- /dev/null
+++ b/include/net/rtnetlink.h
@@ -0,0 +1,18 @@
+#ifndef __NET_RTNETLINK_H
+#define __NET_RTNETLINK_H
+
+#include <linux/rtnetlink.h>
+#include <net/netlink.h>
+
+typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *, void *);
+typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *);
+
+extern int      __rtnl_register(int protocol, int msgtype,
+                                rtnl_doit_func, rtnl_dumpit_func);
+extern void     rtnl_register(int protocol, int msgtype,
+                              rtnl_doit_func, rtnl_dumpit_func);
+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);
+
+#endif