1 /* 2 * netlink-local.h Local Netlink Interface 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) 2003-2008 Thomas Graf <tgraf@suug.ch> 10 */ 11 12 #ifndef NETLINK_LOCAL_H_ 13 #define NETLINK_LOCAL_H_ 14 #ifndef _GNU_SOURCE 15 #define _GNU_SOURCE 16 #endif 17 18 #include <stdio.h> 19 #include <errno.h> 20 #include <stdlib.h> 21 #include <string.h> 22 #include <unistd.h> 23 #include <fcntl.h> 24 #include <math.h> 25 #include <time.h> 26 #include <stdarg.h> 27 #include <ctype.h> 28 #include <sys/types.h> 29 #include <sys/socket.h> 30 #include <inttypes.h> 31 #include <assert.h> 32 #include <limits.h> 33 34 #include <arpa/inet.h> 35 #include <netdb.h> 36 37 #ifndef SOL_NETLINK 38 #define SOL_NETLINK 270 39 #endif 40 41 #include <linux/types.h> 42 43 /* local header copies */ 44 #include <linux/if.h> 45 #include <linux/if_arp.h> 46 #include <linux/if_ether.h> 47 #include <linux/pkt_sched.h> 48 #include <linux/pkt_cls.h> 49 #include <linux/gen_stats.h> 50 51 #include <netlink/netlink.h> 52 #include <netlink/handlers.h> 53 #include <netlink/cache.h> 54 #include <netlink/object-api.h> 55 #include <netlink/cache-api.h> 56 #include <netlink-types.h> 57 58 struct trans_tbl { 59 int i; 60 const char *a; 61 }; 62 63 #define __ADD(id, name) { .i = id, .a = #name }, 64 65 struct trans_list { 66 int i; 67 char *a; 68 struct nl_list_head list; 69 }; 70 71 #define NL_DEBUG 1 72 73 #define NL_DBG(LVL,FMT,ARG...) \ 74 do {} while (0) 75 76 #define BUG() \ 77 do { \ 78 fprintf(stderr, "BUG: %s:%d\n", \ 79 __FILE__, __LINE__); \ 80 assert(0); \ 81 } while (0) 82 83 extern int __nl_read_num_str_file(const char *path, 84 int (*cb)(long, const char *)); 85 86 extern int __trans_list_add(int, const char *, struct nl_list_head *); 87 extern void __trans_list_clear(struct nl_list_head *); 88 89 extern char *__type2str(int, char *, size_t, struct trans_tbl *, size_t); 90 extern int __str2type(const char *, struct trans_tbl *, size_t); 91 92 extern char *__list_type2str(int, char *, size_t, struct nl_list_head *); 93 extern int __list_str2type(const char *, struct nl_list_head *); 94 95 extern char *__flags2str(int, char *, size_t, struct trans_tbl *, size_t); 96 extern int __str2flags(const char *, struct trans_tbl *, size_t); 97 98 extern void dump_from_ops(struct nl_object *, struct nl_dump_params *); 99 100 #ifdef disabled 101 static inline struct nl_cache *dp_cache(struct nl_object *obj) 102 { 103 if (obj->ce_cache == NULL) 104 return nl_cache_mngt_require(obj->ce_ops->oo_name); 105 106 return obj->ce_cache; 107 } 108 #endif 109 110 static inline int nl_cb_call(struct nl_cb *cb, int type, struct nl_msg *msg) 111 { 112 return cb->cb_set[type](msg, cb->cb_args[type]); 113 } 114 115 #define ARRAY_SIZE(X) (sizeof(X) / sizeof((X)[0])) 116 #ifndef offsetof 117 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) 118 #endif 119 120 #define __init __attribute__ ((constructor)) 121 #define __exit __attribute__ ((destructor)) 122 #undef __deprecated 123 #define __deprecated __attribute__ ((deprecated)) 124 125 #define min(x,y) ({ \ 126 typeof(x) _x = (x); \ 127 typeof(y) _y = (y); \ 128 (void) (&_x == &_y); \ 129 _x < _y ? _x : _y; }) 130 131 #define max(x,y) ({ \ 132 typeof(x) _x = (x); \ 133 typeof(y) _y = (y); \ 134 (void) (&_x == &_y); \ 135 _x > _y ? _x : _y; }) 136 137 extern int nl_cache_parse(struct nl_cache_ops *, struct sockaddr_nl *, 138 struct nlmsghdr *, struct nl_parser_param *); 139 140 141 static inline char *nl_cache_name(struct nl_cache *cache) 142 { 143 return cache->c_ops ? cache->c_ops->co_name : "unknown"; 144 } 145 146 #define GENL_FAMILY(id, name) \ 147 { \ 148 { id, NL_ACT_UNSPEC, name }, \ 149 END_OF_MSGTYPES_LIST, \ 150 } 151 152 static inline int wait_for_ack(struct nl_sock *sk) 153 { 154 if (sk->s_flags & NL_NO_AUTO_ACK) 155 return 0; 156 else 157 return nl_wait_for_ack(sk); 158 } 159 160 #endif 161
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