extern int rtnl_unregister(int protocol, int msgtype);
extern void rtnl_unregister_all(int protocol);
-static inline int rtnl_msg_family(struct nlmsghdr *nlh)
+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;
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_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);
+
+ 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 void rtnl_kill_links(struct net *net, 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);
+
+extern struct net_device *rtnl_create_link(struct net *net, char *ifname,
+ const struct rtnl_link_ops *ops, struct nlattr *tb[]);
+extern const struct nla_policy ifla_policy[IFLA_MAX+1];
+
+#define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)
+
#endif