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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/net/rtnetlink.h
1 #ifndef __NET_RTNETLINK_H
2 #define __NET_RTNETLINK_H
4 #include <linux/rtnetlink.h>
5 #include <net/netlink.h>
7 typedef int (*rtnl_doit_func
)(struct sk_buff
*, struct nlmsghdr
*, void *);
8 typedef int (*rtnl_dumpit_func
)(struct sk_buff
*, struct netlink_callback
*);
10 extern int __rtnl_register(int protocol
, int msgtype
,
11 rtnl_doit_func
, rtnl_dumpit_func
);
12 extern void rtnl_register(int protocol
, int msgtype
,
13 rtnl_doit_func
, rtnl_dumpit_func
);
14 extern int rtnl_unregister(int protocol
, int msgtype
);
15 extern void rtnl_unregister_all(int protocol
);
17 static inline int rtnl_msg_family(struct nlmsghdr
*nlh
)
19 if (nlmsg_len(nlh
) >= sizeof(struct rtgenmsg
))
20 return ((struct rtgenmsg
*) nlmsg_data(nlh
))->rtgen_family
;
26 * struct rtnl_link_ops - rtnetlink link operations
28 * @list: Used internally
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
43 * @fill_xstats: Function to dump device specific statistics
45 struct rtnl_link_ops
{
46 struct list_head list
;
51 void (*setup
)(struct net_device
*dev
);
54 const struct nla_policy
*policy
;
55 int (*validate
)(struct nlattr
*tb
[],
56 struct nlattr
*data
[]);
58 int (*newlink
)(struct net_device
*dev
,
60 struct nlattr
*data
[]);
61 int (*changelink
)(struct net_device
*dev
,
63 struct nlattr
*data
[]);
64 void (*dellink
)(struct net_device
*dev
);
66 size_t (*get_size
)(const struct net_device
*dev
);
67 int (*fill_info
)(struct sk_buff
*skb
,
68 const struct net_device
*dev
);
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
);
75 extern int __rtnl_link_register(struct rtnl_link_ops
*ops
);
76 extern void __rtnl_link_unregister(struct rtnl_link_ops
*ops
);
77 extern void rtnl_kill_links(struct net
*net
, struct rtnl_link_ops
*ops
);
79 extern int rtnl_link_register(struct rtnl_link_ops
*ops
);
80 extern void rtnl_link_unregister(struct rtnl_link_ops
*ops
);
82 extern struct net_device
*rtnl_create_link(struct net
*net
, char *ifname
,
83 const struct rtnl_link_ops
*ops
, struct nlattr
*tb
[]);
84 extern const struct nla_policy ifla_policy
[IFLA_MAX
+1];
86 #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)