package/libnl-tiny/src/include/netlink-local.h

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