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authorPatrick McHardy <kaber@trash.net>2007-06-13 12:03:51 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-10 22:14:20 -0700
commit38f7b870d4a6a5d3ec21557e849620cb7d032965 (patch)
treea3a35058298554a87f90b8bd1694cac5c5a1eaa6 /include/net
parent0157f60c0caea24fa8347f4c0ed53297c412fce1 (diff)
[RTNETLINK]: Link creation API
Add rtnetlink API for creating, changing and deleting software devices. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/rtnetlink.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index 3b3d4745618..3861c05cdf0 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -22,4 +22,62 @@ static inline int rtnl_msg_family(struct nlmsghdr *nlh)
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);
+};
+
+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);
+
+#define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)
+
#endif