| 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 |
| 88 | |
