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
56struct trans_tbl {
57	int i;
58	const char *a;
59};
60
61#define __ADD(id, name) { .i = id, .a = #name },
62
63struct 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
81extern int __nl_read_num_str_file(const char *path,
82				  int (*cb)(long, const char *));
83
84extern int __trans_list_add(int, const char *, struct nl_list_head *);
85extern void __trans_list_clear(struct nl_list_head *);
86
87extern char *__type2str(int, char *, size_t, struct trans_tbl *, size_t);
88extern int __str2type(const char *, struct trans_tbl *, size_t);
89
90extern char *__list_type2str(int, char *, size_t, struct nl_list_head *);
91extern int __list_str2type(const char *, struct nl_list_head *);
92
93extern char *__flags2str(int, char *, size_t, struct trans_tbl *, size_t);
94extern int __str2flags(const char *, struct trans_tbl *, size_t);
95
96extern void dump_from_ops(struct nl_object *, struct nl_dump_params *);
97
98#ifdef disabled
99static inline struct nl_cache *dp_cache(struct nl_object *obj)
100{
101	if (obj->ce_cache == NULL)
102		return nl_cache_mngt_require(obj->ce_ops->oo_name);
103
104	return obj->ce_cache;
105}
106#endif
107
108static inline int nl_cb_call(struct nl_cb *cb, int type, struct nl_msg *msg)
109{
110	return cb->cb_set[type](msg, cb->cb_args[type]);
111}
112
113#define ARRAY_SIZE(X) (sizeof(X) / sizeof((X)[0]))
114#ifndef offsetof
115#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
116#endif
117
118#define __init __attribute__ ((constructor))
119#define __exit __attribute__ ((destructor))
120#undef __deprecated
121#define __deprecated __attribute__ ((deprecated))
122
123#define min(x,y) ({ \
124	typeof(x) _x = (x);	\
125	typeof(y) _y = (y);	\
126	(void) (&_x == &_y);		\
127	_x < _y ? _x : _y; })
128
129#define max(x,y) ({ \
130	typeof(x) _x = (x);	\
131	typeof(y) _y = (y);	\
132	(void) (&_x == &_y);		\
133	_x > _y ? _x : _y; })
134
135extern int nl_cache_parse(struct nl_cache_ops *, struct sockaddr_nl *,
136			  struct nlmsghdr *, struct nl_parser_param *);
137
138
139static inline char *nl_cache_name(struct nl_cache *cache)
140{
141	return cache->c_ops ? cache->c_ops->co_name : "unknown";
142}
143
144#define GENL_FAMILY(id, name) \
145	{ \
146		{ id, NL_ACT_UNSPEC, name }, \
147		END_OF_MSGTYPES_LIST, \
148	}
149
150static inline int wait_for_ack(struct nl_sock *sk)
151{
152	if (sk->s_flags & NL_NO_AUTO_ACK)
153		return 0;
154	else
155		return nl_wait_for_ack(sk);
156}
157
158#endif
159