rtnetlink: Link address family API

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

diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index e013c68bfb0047330f27d50cdb5714957b997403..35be0bbcd7da03d4587098b871923d42e1618d6c 100644 (file)
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -83,6 +83,37 @@ extern void  __rtnl_link_unregister(struct rtnl_link_ops *ops);
 extern int     rtnl_link_register(struct rtnl_link_ops *ops);
 extern void    rtnl_link_unregister(struct rtnl_link_ops *ops);
 
+/**
+ *     struct rtnl_af_ops - rtnetlink address family operations
+ *
+ *     @list: Used internally
+ *     @family: Address family
+ *     @fill_link_af: Function to fill IFLA_AF_SPEC with address family
+ *                    specific netlink attributes.
+ *     @get_link_af_size: Function to calculate size of address family specific
+ *                        netlink attributes exlusive the container attribute.
+ *     @parse_link_af: Function to parse a IFLA_AF_SPEC attribute and modify
+ *                     net_device accordingly.
+ */
+struct rtnl_af_ops {
+       struct list_head        list;
+       int                     family;
+
+       int                     (*fill_link_af)(struct sk_buff *skb,
+                                               const struct net_device *dev);
+       size_t                  (*get_link_af_size)(const struct net_device *dev);
+
+       int                     (*parse_link_af)(struct net_device *dev,
+                                                const struct nlattr *attr);
+};
+
+extern int     __rtnl_af_register(struct rtnl_af_ops *ops);
+extern void    __rtnl_af_unregister(struct rtnl_af_ops *ops);
+
+extern int     rtnl_af_register(struct rtnl_af_ops *ops);
+extern void    rtnl_af_unregister(struct rtnl_af_ops *ops);
+
+
 extern struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]);
 extern struct net_device *rtnl_create_link(struct net *src_net, struct net *net,
        char *ifname, const struct rtnl_link_ops *ops, struct nlattr *tb[]);