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