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
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