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authorPatrick McHardy <kaber@trash.net>2007-06-13 15:03:51 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-11 01:14:20 -0400
commit38f7b870d4a6a5d3ec21557e849620cb7d032965 (patch)
treea3a35058298554a87f90b8bd1694cac5c5a1eaa6 /include/net/rtnetlink.h
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/rtnetlink.h')
-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 3b3d4745618d..3861c05cdf0f 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -22,4 +22,62 @@ static inline int rtnl_msg_family(struct nlmsghdr *nlh)
22 return AF_UNSPEC; 22 return AF_UNSPEC;
23} 23}
24 24
25/**
26 * struct rtnl_link_ops - rtnetlink link operations
27 *
28 * @list: Used internally
29 * @kind: Identifier
30 * @maxtype: Highest device specific netlink attribute number
31 * @policy: Netlink policy for device specific attribute validation
32 * @validate: Optional validation function for netlink/changelink parameters
33 * @priv_size: sizeof net_device private space
34 * @setup: net_device setup function
35 * @newlink: Function for configuring and registering a new device
36 * @changelink: Function for changing parameters of an existing device
37 * @dellink: Function to remove a device
38 * @get_size: Function to calculate required room for dumping device
39 * specific netlink attributes
40 * @fill_info: Function to dump device specific netlink attributes
41 * @get_xstats_size: Function to calculate required room for dumping devic
42 * specific statistics
43 * @fill_xstats: Function to dump device specific statistics
44 */
45struct rtnl_link_ops {
46 struct list_head list;
47
48 const char *kind;
49
50 size_t priv_size;
51 void (*setup)(struct net_device *dev);
52
53 int maxtype;
54 const struct nla_policy *policy;
55 int (*validate)(struct nlattr *tb[],
56 struct nlattr *data[]);
57
58 int (*newlink)(struct net_device *dev,
59 struct nlattr *tb[],
60 struct nlattr *data[]);
61 int (*changelink)(struct net_device *dev,
62 struct nlattr *tb[],
63 struct nlattr *data[]);
64 void (*dellink)(struct net_device *dev);
65
66 size_t (*get_size)(const struct net_device *dev);
67 int (*fill_info)(struct sk_buff *skb,
68 const struct net_device *dev);
69
70 size_t (*get_xstats_size)(const struct net_device *dev);
71 int (*fill_xstats)(struct sk_buff *skb,
72 const struct net_device *dev);
73};
74
75extern int __rtnl_link_register(struct rtnl_link_ops *ops);
76extern void __rtnl_link_unregister(struct rtnl_link_ops *ops);
77
78extern int rtnl_link_register(struct rtnl_link_ops *ops);
79extern void rtnl_link_unregister(struct rtnl_link_ops *ops);
80
81#define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)
82
25#endif 83#endif