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aba5acdf SH |
1 | #ifndef __UTILS_H__ |
2 | #define __UTILS_H__ 1 | |
3 | ||
5bd9dd49 | 4 | #include <sys/types.h> |
aba5acdf SH |
5 | #include <asm/types.h> |
6 | #include <resolv.h> | |
56b94061 | 7 | #include <stdlib.h> |
e998e118 | 8 | #include <stdbool.h> |
aba5acdf SH |
9 | |
10 | #include "libnetlink.h" | |
11 | #include "ll_map.h" | |
12 | #include "rtm_map.h" | |
13 | ||
14 | extern int preferred_family; | |
b68d9837 | 15 | extern int human_readable; |
1e264abc | 16 | extern int use_iec; |
aba5acdf SH |
17 | extern int show_stats; |
18 | extern int show_details; | |
19 | extern int show_raw; | |
20 | extern int resolve_hosts; | |
21 | extern int oneline; | |
5d295bb8 | 22 | extern int brief; |
90f93024 | 23 | extern int timestamp; |
79aa79d0 | 24 | extern int timestamp_short; |
ec7aff5c | 25 | extern const char * _SL_; |
64c79560 | 26 | extern int max_flush_loops; |
a3aa47a5 | 27 | extern int batch_mode; |
b13ba03f | 28 | extern bool do_all; |
aba5acdf SH |
29 | |
30 | #ifndef IPPROTO_ESP | |
31 | #define IPPROTO_ESP 50 | |
32 | #endif | |
33 | #ifndef IPPROTO_AH | |
34 | #define IPPROTO_AH 51 | |
35 | #endif | |
c7699875 | 36 | #ifndef IPPROTO_COMP |
37 | #define IPPROTO_COMP 108 | |
38 | #endif | |
bd641cd6 | 39 | #ifndef IPSEC_PROTO_ANY |
40 | #define IPSEC_PROTO_ANY 255 | |
41 | #endif | |
aba5acdf | 42 | |
f6793eec DB |
43 | #ifndef CONFDIR |
44 | #define CONFDIR "/etc/iproute2" | |
45 | #endif | |
46 | ||
aba5acdf SH |
47 | #define SPRINT_BSIZE 64 |
48 | #define SPRINT_BUF(x) char x[SPRINT_BSIZE] | |
49 | ||
892e2124 | 50 | void incomplete_command(void) __attribute__((noreturn)); |
aba5acdf SH |
51 | |
52 | #define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0) | |
c7699875 | 53 | #define NEXT_ARG_OK() (argc - 1 > 0) |
faa8a463 | 54 | #define NEXT_ARG_FWD() do { argv++; argc--; } while(0) |
c7699875 | 55 | #define PREV_ARG() do { argv--; argc++; } while(0) |
aba5acdf SH |
56 | |
57 | typedef struct | |
58 | { | |
93ae2835 EB |
59 | __u16 flags; |
60 | __u16 bytelen; | |
aba5acdf | 61 | __s16 bitlen; |
93ae2835 EB |
62 | /* These next two fields match rtvia */ |
63 | __u16 family; | |
7f71c0ca | 64 | __u32 data[8]; |
aba5acdf SH |
65 | } inet_prefix; |
66 | ||
f082b64f | 67 | #define PREFIXLEN_SPECIFIED 1 |
68 | ||
aba5acdf SH |
69 | #define DN_MAXADDL 20 |
70 | #ifndef AF_DECnet | |
71 | #define AF_DECnet 12 | |
72 | #endif | |
73 | ||
ae665a52 | 74 | struct dn_naddr |
aba5acdf SH |
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 | ||
dacc5d41 EB |
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 | ||
892e2124 SH |
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); | |
5866bddd | 100 | int get_addr_ila(__u64 *val, const char *arg); |
aba5acdf | 101 | |
609640f5 | 102 | int get_hex(char c); |
892e2124 SH |
103 | int get_integer(int *val, const char *arg, int base); |
104 | int get_unsigned(unsigned *val, const char *arg, int base); | |
105 | int get_time_rtt(unsigned *val, const char *arg, int *raw); | |
aba5acdf SH |
106 | #define get_byte get_u8 |
107 | #define get_ushort get_u16 | |
108 | #define get_short get_s16 | |
892e2124 SH |
109 | int get_u64(__u64 *val, const char *arg, int base); |
110 | int get_u32(__u32 *val, const char *arg, int base); | |
111 | int get_s32(__s32 *val, const char *arg, int base); | |
112 | int get_u16(__u16 *val, const char *arg, int base); | |
113 | int get_s16(__s16 *val, const char *arg, int base); | |
114 | int get_u8(__u8 *val, const char *arg, int base); | |
115 | int get_s8(__s8 *val, const char *arg, int base); | |
9f7401fa SD |
116 | int get_be64(__be64 *val, const char *arg, int base); |
117 | int get_be32(__be32 *val, const char *arg, int base); | |
118 | int get_be16(__be16 *val, const char *arg, int base); | |
5866bddd | 119 | int get_addr64(__u64 *ap, const char *cp); |
aba5acdf | 120 | |
89ae5020 SD |
121 | char *hexstring_n2a(const __u8 *str, int len, char *buf, int blen); |
122 | __u8 *hexstring_a2n(const char *str, __u8 *buf, int blen, unsigned int *len); | |
5866bddd TH |
123 | #define ADDR64_BUF_SIZE sizeof("xxxx:xxxx:xxxx:xxxx") |
124 | int addr64_n2a(__u64 addr, char *buff, size_t len); | |
aba5acdf | 125 | |
892e2124 SH |
126 | int af_bit_len(int af); |
127 | int af_byte_len(int af); | |
f3a2ddc1 | 128 | |
a418e451 | 129 | const char *format_host_r(int af, int len, const void *addr, |
04457b3d | 130 | char *buf, int buflen); |
a418e451 | 131 | const char *format_host(int af, int lne, const void *addr); |
d49f934c PS |
132 | #define format_host_rta(af, rta) \ |
133 | format_host(af, RTA_PAYLOAD(rta), RTA_DATA(rta)) | |
2e96d2cc | 134 | const char *rt_addr_n2a_r(int af, int len, const void *addr, |
04457b3d | 135 | char *buf, int buflen); |
2e96d2cc | 136 | const char *rt_addr_n2a(int af, int len, const void *addr); |
7faf1588 PS |
137 | #define rt_addr_n2a_rta(af, rta) \ |
138 | rt_addr_n2a(af, RTA_PAYLOAD(rta), RTA_DATA(rta)) | |
aba5acdf | 139 | |
892e2124 SH |
140 | int read_family(const char *name); |
141 | const char *family_name(int family); | |
45c90d19 | 142 | |
c7699875 | 143 | void missarg(const char *) __attribute__((noreturn)); |
04457b3d SH |
144 | void invarg(const char *, const char *) __attribute__((noreturn)); |
145 | void duparg(const char *, const char *) __attribute__((noreturn)); | |
146 | void duparg2(const char *, const char *) __attribute__((noreturn)); | |
147 | int matches(const char *arg, const char *pattern); | |
892e2124 | 148 | int inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits); |
aba5acdf SH |
149 | |
150 | const char *dnet_ntop(int af, const void *addr, char *str, size_t len); | |
151 | int dnet_pton(int af, const char *src, void *addr); | |
152 | ||
153 | const char *ipx_ntop(int af, const void *addr, char *str, size_t len); | |
154 | int ipx_pton(int af, const char *src, void *addr); | |
155 | ||
dacc5d41 EB |
156 | const char *mpls_ntop(int af, const void *addr, char *str, size_t len); |
157 | int mpls_pton(int af, const char *src, void *addr); | |
158 | ||
aba5acdf | 159 | extern int __iproute2_hz_internal; |
e3c27c2d | 160 | int __get_hz(void); |
aba5acdf SH |
161 | |
162 | static __inline__ int get_hz(void) | |
163 | { | |
164 | if (__iproute2_hz_internal == 0) | |
165 | __iproute2_hz_internal = __get_hz(); | |
166 | return __iproute2_hz_internal; | |
167 | } | |
168 | ||
5e8bc631 | 169 | extern int __iproute2_user_hz_internal; |
892e2124 | 170 | int __get_user_hz(void); |
5e8bc631 | 171 | |
172 | static __inline__ int get_user_hz(void) | |
173 | { | |
174 | if (__iproute2_user_hz_internal == 0) | |
175 | __iproute2_user_hz_internal = __get_user_hz(); | |
176 | return __iproute2_user_hz_internal; | |
177 | } | |
178 | ||
8cd09e61 | 179 | static inline __u32 nl_mgrp(__u32 group) |
180 | { | |
56b94061 | 181 | if (group > 31 ) { |
182 | fprintf(stderr, "Use setsockopt for this group %d\n", group); | |
183 | exit(-1); | |
184 | } | |
185 | return group ? (1 << (group - 1)) : 0; | |
8cd09e61 | 186 | } |
187 | ||
8c0f7a16 NA |
188 | /* courtesy of bridge-utils */ |
189 | static inline unsigned long __tv_to_jiffies(const struct timeval *tv) | |
190 | { | |
191 | unsigned long long jif; | |
192 | ||
193 | jif = 1000000ULL * tv->tv_sec + tv->tv_usec; | |
194 | ||
195 | return jif/10000; | |
196 | } | |
197 | ||
198 | static inline void __jiffies_to_tv(struct timeval *tv, unsigned long jiffies) | |
199 | { | |
200 | unsigned long long tvusec; | |
201 | ||
202 | tvusec = 10000ULL*jiffies; | |
203 | tv->tv_sec = tvusec/1000000; | |
204 | tv->tv_usec = tvusec - 1000000 * tv->tv_sec; | |
205 | } | |
8cd09e61 | 206 | |
90f93024 | 207 | int print_timestamp(FILE *fp); |
ddb1129b | 208 | void print_nlmsg_timestamp(FILE *fp, const struct nlmsghdr *n); |
90f93024 | 209 | |
02d2ae55 SH |
210 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
211 | ||
6256f8c9 DB |
212 | #define BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)])) |
213 | ||
214 | #ifndef offsetof | |
215 | # define offsetof(type, member) ((size_t) &((type *)0)->member) | |
216 | #endif | |
217 | ||
218 | #ifndef min | |
219 | # define min(x, y) ({ \ | |
220 | typeof(x) _min1 = (x); \ | |
221 | typeof(y) _min2 = (y); \ | |
222 | (void) (&_min1 == &_min2); \ | |
223 | _min1 < _min2 ? _min1 : _min2; }) | |
224 | #endif | |
225 | ||
11c39b5e DB |
226 | #ifndef __check_format_string |
227 | # define __check_format_string(pos_str, pos_args) \ | |
228 | __attribute__ ((format (printf, (pos_str), (pos_args)))) | |
229 | #endif | |
230 | ||
32e93fb7 DB |
231 | #define _textify(x) #x |
232 | #define textify(x) _textify(x) | |
233 | ||
1e529305 RP |
234 | #define htonll(x) ((1==htonl(1)) ? (x) : ((uint64_t)htonl((x) & 0xFFFFFFFF) << 32) | htonl((x) >> 32)) |
235 | #define ntohll(x) ((1==ntohl(1)) ? (x) : ((uint64_t)ntohl((x) & 0xFFFFFFFF) << 32) | ntohl((x) >> 32)) | |
236 | ||
351efcde | 237 | extern int cmdlineno; |
892e2124 SH |
238 | ssize_t getcmdline(char **line, size_t *len, FILE *in); |
239 | int makeargs(char *line, char *argv[], int maxargs); | |
240 | int inet_get_addr(const char *src, __u32 *dst, struct in6_addr *dst6); | |
351efcde | 241 | |
909dfe2c PE |
242 | struct iplink_req; |
243 | int iplink_parse(int argc, char **argv, struct iplink_req *req, | |
db02608b | 244 | char **name, char **type, char **link, char **dev, |
5e25cf77 | 245 | int *group, int *index); |
ddb1129b | 246 | |
892e2124 | 247 | int do_each_netns(int (*func)(char *nsname, void *arg), void *arg, |
e998e118 VK |
248 | bool show_label); |
249 | ||
b217df10 | 250 | char *int_to_str(int val, char *buf); |
d91fb3f4 | 251 | int get_guid(__u64 *guid, const char *arg); |
56e3eb4c | 252 | int get_real_family(int rtm_type, int rtm_family); |
b217df10 | 253 | |
aba5acdf | 254 | #endif /* __UTILS_H__ */ |