1 #ifndef __UTILS_H__
2 #define __UTILS_H__ 1
3
4 #include <sys/types.h>
5 #include <asm/types.h>
6 #include <resolv.h>
7 #include <stdlib.h>
8 #include <stdbool.h>
9
10 #include "libnetlink.h"
11 #include "ll_map.h"
12 #include "rtm_map.h"
13
14 extern int preferred_family;
15 extern int human_readable;
16 extern int use_iec;
17 extern int show_stats;
18 extern int show_details;
19 extern int show_raw;
20 extern int resolve_hosts;
21 extern int oneline;
22 extern int brief;
23 extern int timestamp;
24 extern int timestamp_short;
25 extern const char * _SL_;
26 extern int max_flush_loops;
27 extern int batch_mode;
28 extern bool do_all;
29
30 #ifndef IPPROTO_ESP
31 #define IPPROTO_ESP 50
32 #endif
33 #ifndef IPPROTO_AH
34 #define IPPROTO_AH 51
35 #endif
36 #ifndef IPPROTO_COMP
37 #define IPPROTO_COMP 108
38 #endif
39 #ifndef IPSEC_PROTO_ANY
40 #define IPSEC_PROTO_ANY 255
41 #endif
42
43 #ifndef CONFDIR
44 #define CONFDIR "/etc/iproute2"
45 #endif
46
47 #define SPRINT_BSIZE 64
48 #define SPRINT_BUF(x) char x[SPRINT_BSIZE]
49
50 void incomplete_command(void) __attribute__((noreturn));
51
52 #define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0)
53 #define NEXT_ARG_OK() (argc - 1 > 0)
54 #define NEXT_ARG_FWD() do { argv++; argc--; } while(0)
55 #define PREV_ARG() do { argv--; argc++; } while(0)
56
57 typedef struct
58 {
59 __u16 flags;
60 __u16 bytelen;
61 __s16 bitlen;
62 /* These next two fields match rtvia */
63 __u16 family;
64 __u32 data[8];
65 } inet_prefix;
66
67 #define PREFIXLEN_SPECIFIED 1
68
69 #define DN_MAXADDL 20
70 #ifndef AF_DECnet
71 #define AF_DECnet 12
72 #endif
73
74 struct dn_naddr
75 {
76 unsigned short a_len;
77 unsigned char a_addr[DN_MAXADDL];
78 };
79
80 #define IPX_NODE_LEN 6
81
82 struct ipx_addr {
83 u_int32_t ipx_net;
84 u_int8_t ipx_node[IPX_NODE_LEN];
85 };
86
87 #ifndef AF_MPLS
88 # define AF_MPLS 28
89 #endif
90
91 /* Maximum number of labels the mpls helpers support */
92 #define MPLS_MAX_LABELS 8
93
94 __u32 get_addr32(const char *name);
95 int get_addr_1(inet_prefix *dst, const char *arg, int family);
96 int get_prefix_1(inet_prefix *dst, char *arg, int family);
97 int get_addr(inet_prefix *dst, const char *arg, int family);
98 int get_prefix(inet_prefix *dst, char *arg, int family);
99 int mask2bits(__u32 netmask);
100 int get_addr_ila(__u64 *val, const char *arg);
101
102 int get_integer(int *val, const char *arg, int base);
103 int get_unsigned(unsigned *val, const char *arg, int base);
104 int get_time_rtt(unsigned *val, const char *arg, int *raw);
105 #define get_byte get_u8
106 #define get_ushort get_u16
107 #define get_short get_s16
108 int get_u64(__u64 *val, const char *arg, int base);
109 int get_u32(__u32 *val, const char *arg, int base);
110 int get_s32(__s32 *val, const char *arg, int base);
111 int get_u16(__u16 *val, const char *arg, int base);
112 int get_s16(__s16 *val, const char *arg, int base);
113 int get_u8(__u8 *val, const char *arg, int base);
114 int get_s8(__s8 *val, const char *arg, int base);
115 int get_addr64(__u64 *ap, const char *cp);
116
117 char* hexstring_n2a(const __u8 *str, int len, char *buf, int blen);
118 __u8* hexstring_a2n(const char *str, __u8 *buf, int blen);
119 #define ADDR64_BUF_SIZE sizeof("xxxx:xxxx:xxxx:xxxx")
120 int addr64_n2a(__u64 addr, char *buff, size_t len);
121
122 int af_bit_len(int af);
123 int af_byte_len(int af);
124
125 const char *format_host(int af, int len, const void *addr,
126 char *buf, int buflen);
127 const char *rt_addr_n2a(int af, int len, const void *addr,
128 char *buf, int buflen);
129
130 int read_family(const char *name);
131 const char *family_name(int family);
132
133 void missarg(const char *) __attribute__((noreturn));
134 void invarg(const char *, const char *) __attribute__((noreturn));
135 void duparg(const char *, const char *) __attribute__((noreturn));
136 void duparg2(const char *, const char *) __attribute__((noreturn));
137 int matches(const char *arg, const char *pattern);
138 int inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits);
139
140 const char *dnet_ntop(int af, const void *addr, char *str, size_t len);
141 int dnet_pton(int af, const char *src, void *addr);
142
143 const char *ipx_ntop(int af, const void *addr, char *str, size_t len);
144 int ipx_pton(int af, const char *src, void *addr);
145
146 const char *mpls_ntop(int af, const void *addr, char *str, size_t len);
147 int mpls_pton(int af, const char *src, void *addr);
148
149 extern int __iproute2_hz_internal;
150 int __get_hz(void);
151
get_hz(void)152 static __inline__ int get_hz(void)
153 {
154 if (__iproute2_hz_internal == 0)
155 __iproute2_hz_internal = __get_hz();
156 return __iproute2_hz_internal;
157 }
158
159 extern int __iproute2_user_hz_internal;
160 int __get_user_hz(void);
161
get_user_hz(void)162 static __inline__ int get_user_hz(void)
163 {
164 if (__iproute2_user_hz_internal == 0)
165 __iproute2_user_hz_internal = __get_user_hz();
166 return __iproute2_user_hz_internal;
167 }
168
nl_mgrp(__u32 group)169 static inline __u32 nl_mgrp(__u32 group)
170 {
171 if (group > 31 ) {
172 fprintf(stderr, "Use setsockopt for this group %d\n", group);
173 exit(-1);
174 }
175 return group ? (1 << (group - 1)) : 0;
176 }
177
178
179 int print_timestamp(FILE *fp);
180 void print_nlmsg_timestamp(FILE *fp, const struct nlmsghdr *n);
181
182 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
183
184 #define BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))
185
186 #ifndef offsetof
187 # define offsetof(type, member) ((size_t) &((type *)0)->member)
188 #endif
189
190 #ifndef min
191 # define min(x, y) ({ \
192 typeof(x) _min1 = (x); \
193 typeof(y) _min2 = (y); \
194 (void) (&_min1 == &_min2); \
195 _min1 < _min2 ? _min1 : _min2; })
196 #endif
197
198 #ifndef __check_format_string
199 # define __check_format_string(pos_str, pos_args) \
200 __attribute__ ((format (printf, (pos_str), (pos_args))))
201 #endif
202
203 #define _textify(x) #x
204 #define textify(x) _textify(x)
205
206 #define htonll(x) ((1==htonl(1)) ? (x) : ((uint64_t)htonl((x) & 0xFFFFFFFF) << 32) | htonl((x) >> 32))
207 #define ntohll(x) ((1==ntohl(1)) ? (x) : ((uint64_t)ntohl((x) & 0xFFFFFFFF) << 32) | ntohl((x) >> 32))
208
209 extern int cmdlineno;
210 ssize_t getcmdline(char **line, size_t *len, FILE *in);
211 int makeargs(char *line, char *argv[], int maxargs);
212 int inet_get_addr(const char *src, __u32 *dst, struct in6_addr *dst6);
213
214 struct iplink_req;
215 int iplink_parse(int argc, char **argv, struct iplink_req *req,
216 char **name, char **type, char **link, char **dev,
217 int *group, int *index);
218
219 int do_each_netns(int (*func)(char *nsname, void *arg), void *arg,
220 bool show_label);
221
222 char *int_to_str(int val, char *buf);
223
224 #endif /* __UTILS_H__ */
225