1 files changed, 130 insertions, 0 deletions
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
new file mode 100644
index 00000000..4093ca78
--- /dev/null
+++ b/include/net/rtnetlink.h
@@ -0,0 +1,130 @@
+#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);
+
+static inline int rtnl_msg_family(const struct nlmsghdr *nlh)
+{
+	if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg))
+		return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family;
+	else
+		return AF_UNSPEC;
+}
+
+/**
+ *	struct rtnl_link_ops - rtnetlink link operations
+ *
+ *	@list: Used internally
+ *	@kind: Identifier
+ *	@maxtype: Highest device specific netlink attribute number
+ *	@policy: Netlink policy for device specific attribute validation
+ *	@validate: Optional validation function for netlink/changelink parameters
+ *	@priv_size: sizeof net_device private space
+ *	@setup: net_device setup function
+ *	@newlink: Function for configuring and registering a new device
+ *	@changelink: Function for changing parameters of an existing device
+ *	@dellink: Function to remove a device
+ *	@get_size: Function to calculate required room for dumping device
+ *		   specific netlink attributes
+ *	@fill_info: Function to dump device specific netlink attributes
+ *	@get_xstats_size: Function to calculate required room for dumping devic
+ *			  specific statistics
+ *	@fill_xstats: Function to dump device specific statistics
+ */
+struct rtnl_link_ops {
+	struct list_head	list;
+
+	const char		*kind;
+
+	size_t			priv_size;
+	void			(*setup)(struct net_device *dev);
+
+	int			maxtype;
+	const struct nla_policy	*policy;
+	int			(*validate)(struct nlattr *tb[],
+					    struct nlattr *data[]);
+
+	int			(*newlink)(struct net *src_net,
+					   struct net_device *dev,
+					   struct nlattr *tb[],
+					   struct nlattr *data[]);
+	int			(*changelink)(struct net_device *dev,
+					      struct nlattr *tb[],
+					      struct nlattr *data[]);
+	void			(*dellink)(struct net_device *dev,
+					   struct list_head *head);
+
+	size_t			(*get_size)(const struct net_device *dev);
+	int			(*fill_info)(struct sk_buff *skb,
+					     const struct net_device *dev);
+
+	size_t			(*get_xstats_size)(const struct net_device *dev);
+	int			(*fill_xstats)(struct sk_buff *skb,
+					       const struct net_device *dev);
+	int			(*get_tx_queues)(struct net *net, struct nlattr *tb[],
+						 unsigned int *tx_queues,
+						 unsigned int *real_tx_queues);
+};
+
+extern int	__rtnl_link_register(struct rtnl_link_ops *ops);
+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[]);
+extern int rtnl_configure_link(struct net_device *dev,
+			       const struct ifinfomsg *ifm);
+extern const struct nla_policy ifla_policy[IFLA_MAX+1];
+
+#define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)
+
+#endif