add libnl-tiny as a small replacement for libnl with only genl support included
[openwrt/svn-archive/archive.git] / package / libnl-tiny / src / include / netlink / genl / mngt.h
1 /*
2 * netlink/genl/mngt.h Generic Netlink Management
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation version 2.1
7 * of the License.
8 *
9 * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch>
10 */
11
12 #ifndef NETLINK_GENL_MNGT_H_
13 #define NETLINK_GENL_MNGT_H_
14
15 #include <netlink/netlink.h>
16 #include <netlink/attr.h>
17 #include <netlink/list.h>
18
19 #ifdef __cplusplus
20 extern "C" {
21 #endif
22
23 struct nl_cache_ops;
24
25 struct genl_info
26 {
27 struct sockaddr_nl * who;
28 struct nlmsghdr * nlh;
29 struct genlmsghdr * genlhdr;
30 void * userhdr;
31 struct nlattr ** attrs;
32 };
33
34 /**
35 * @ingroup genl_mngt
36 * Generic Netlink Command
37 */
38 struct genl_cmd
39 {
40 /** Unique command identifier */
41 int c_id;
42
43 /** Name/description of command */
44 char * c_name;
45
46 /**
47 * Maximum attribute identifier, must be provided if
48 * a message parser is available.
49 */
50 int c_maxattr;
51
52 int (*c_msg_parser)(struct nl_cache_ops *,
53 struct genl_cmd *,
54 struct genl_info *, void *);
55
56 /**
57 * Attribute validation policy (optional)
58 */
59 struct nla_policy * c_attr_policy;
60 };
61
62 /**
63 * @ingroup genl_mngt
64 * Generic Netlink Operations
65 */
66 struct genl_ops
67 {
68 int o_family;
69 int o_id;
70 char * o_name;
71 struct nl_cache_ops * o_cache_ops;
72 struct genl_cmd * o_cmds;
73 int o_ncmds;
74
75 /* linked list of all genl cache operations */
76 struct nl_list_head o_list;
77 };
78
79
80 extern int genl_register(struct nl_cache_ops *);
81 extern void genl_unregister(struct nl_cache_ops *);
82
83 #ifdef __cplusplus
84 }
85 #endif
86
87 #endif