1 files changed, 35 insertions, 0 deletions

diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index e013c68bfb00..4093ca78cf60 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -83,6 +83,41 @@ 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.
+ *      @validate_link_af: Validate a IFLA_AF_SPEC attribute, must check attr
+ *                         for invalid configuration settings.
+ *      @set_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                     (*validate_link_af)(const struct net_device *dev,
+                                                    const struct nlattr *attr);
+        int                     (*set_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[]);