1#ifndef __UTILS_H__
2#define __UTILS_H__ 1
3
4#include <asm/types.h>
5#include <resolv.h>
6#include <stdlib.h>
7
8#include "libnetlink.h"
9#include "ll_map.h"
10#include "rtm_map.h"
11
12extern int preferred_family;
13extern int show_stats;
14extern int show_details;
15extern int show_raw;
16extern int resolve_hosts;
17extern int oneline;
18extern int timestamp;
19extern char * _SL_;
20
21#ifndef IPPROTO_ESP
22#define IPPROTO_ESP	50
23#endif
24#ifndef IPPROTO_AH
25#define IPPROTO_AH	51
26#endif
27#ifndef IPPROTO_COMP
28#define IPPROTO_COMP	108
29#endif
30#ifndef IPSEC_PROTO_ANY
31#define IPSEC_PROTO_ANY	255
32#endif
33
34#define SPRINT_BSIZE 64
35#define SPRINT_BUF(x)	char x[SPRINT_BSIZE]
36
37extern void incomplete_command(void) __attribute__((noreturn));
38
39#define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0)
40#define NEXT_ARG_OK() (argc - 1 > 0)
41#define PREV_ARG() do { argv--; argc++; } while(0)
42
43typedef struct
44{
45	__u8 family;
46	__u8 bytelen;
47	__s16 bitlen;
48	__u32 flags;
49	__u32 data[8];
50} inet_prefix;
51
52#define PREFIXLEN_SPECIFIED 1
53
54#define DN_MAXADDL 20
55#ifndef AF_DECnet
56#define AF_DECnet 12
57#endif
58
59struct dn_naddr
60{
61        unsigned short          a_len;
62        unsigned char a_addr[DN_MAXADDL];
63};
64
65#define IPX_NODE_LEN 6
66
67struct ipx_addr {
68	u_int32_t ipx_net;
69	u_int8_t  ipx_node[IPX_NODE_LEN];
70};
71
72extern __u32 get_addr32(const char *name);
73extern int get_addr_1(inet_prefix *dst, const char *arg, int family);
74extern int get_prefix_1(inet_prefix *dst, char *arg, int family);
75extern int get_addr(inet_prefix *dst, const char *arg, int family);
76extern int get_prefix(inet_prefix *dst, char *arg, int family);
77extern int mask2bits(__u32 netmask);
78
79extern int get_integer(int *val, const char *arg, int base);
80extern int get_unsigned(unsigned *val, const char *arg, int base);
81extern int get_jiffies(unsigned *val, const char *arg, int base, int *raw);
82#define get_byte get_u8
83#define get_ushort get_u16
84#define get_short get_s16
85extern int get_u64(__u64 *val, const char *arg, int base);
86extern int get_u32(__u32 *val, const char *arg, int base);
87extern int get_u16(__u16 *val, const char *arg, int base);
88extern int get_s16(__s16 *val, const char *arg, int base);
89extern int get_u8(__u8 *val, const char *arg, int base);
90extern int get_s8(__s8 *val, const char *arg, int base);
91
92extern char* hexstring_n2a(const __u8 *str, int len, char *buf, int blen);
93extern __u8* hexstring_a2n(const char *str, __u8 *buf, int blen);
94
95extern const char *format_host(int af, int len, const void *addr,
96			       char *buf, int buflen);
97extern const char *rt_addr_n2a(int af, int len, const void *addr,
98			       char *buf, int buflen);
99
100void missarg(const char *) __attribute__((noreturn));
101void invarg(const char *, const char *) __attribute__((noreturn));
102void duparg(const char *, const char *) __attribute__((noreturn));
103void duparg2(const char *, const char *) __attribute__((noreturn));
104int matches(const char *arg, const char *pattern);
105extern int inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits);
106
107const char *dnet_ntop(int af, const void *addr, char *str, size_t len);
108int dnet_pton(int af, const char *src, void *addr);
109
110const char *ipx_ntop(int af, const void *addr, char *str, size_t len);
111int ipx_pton(int af, const char *src, void *addr);
112
113extern int __iproute2_hz_internal;
114extern int __get_hz(void);
115
116static __inline__ int get_hz(void)
117{
118	if (__iproute2_hz_internal == 0)
119		__iproute2_hz_internal = __get_hz();
120	return __iproute2_hz_internal;
121}
122
123extern int __iproute2_user_hz_internal;
124extern int __get_user_hz(void);
125
126static __inline__ int get_user_hz(void)
127{
128	if (__iproute2_user_hz_internal == 0)
129		__iproute2_user_hz_internal = __get_user_hz();
130	return __iproute2_user_hz_internal;
131}
132
133static inline __u32 nl_mgrp(__u32 group)
134{
135	if (group > 31 ) {
136		fprintf(stderr, "Use setsockopt for this group %d\n", group);
137		exit(-1);
138	}
139	return group ? (1 << (group - 1)) : 0;
140}
141
142
143int print_timestamp(FILE *fp);
144
145#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
146
147extern int cmdlineno;
148extern ssize_t getcmdline(char **line, size_t *len, FILE *in);
149extern int makeargs(char *line, char *argv[], int maxargs);
150
151struct iplink_req;
152int iplink_parse(int argc, char **argv, struct iplink_req *req,
153		char **name, char **type, char **link, char **dev);
154#endif /* __UTILS_H__ */
155