1 /* SPDX-License-Identifier: GPL-2.0 */
13 #include <bsd/string.h>
16 #include "libnetlink.h"
19 #include "json_print.h"
21 extern int preferred_family
;
22 extern int human_readable
;
24 extern int show_stats
;
25 extern int show_details
;
27 extern int resolve_hosts
;
33 extern int timestamp_short
;
34 extern const char * _SL_
;
35 extern int max_flush_loops
;
36 extern int batch_mode
;
41 #define CONFDIR "/etc/iproute2"
44 #define SPRINT_BSIZE 64
45 #define SPRINT_BUF(x) char x[SPRINT_BSIZE]
47 void incomplete_command(void) __attribute__((noreturn
));
49 #define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0)
50 #define NEXT_ARG_OK() (argc - 1 > 0)
51 #define NEXT_ARG_FWD() do { argv++; argc--; } while(0)
52 #define PREV_ARG() do { argv--; argc++; } while(0)
54 #define TIME_UNITS_PER_SEC 1000000
55 #define NSEC_PER_USEC 1000
56 #define NSEC_PER_MSEC 1000000
57 #define NSEC_PER_SEC 1000000000LL
64 /* These next two fields match rtvia */
70 PREFIXLEN_SPECIFIED
= (1 << 0),
71 ADDRTYPE_INET
= (1 << 1),
72 ADDRTYPE_UNSPEC
= (1 << 2),
73 ADDRTYPE_MULTI
= (1 << 3),
75 ADDRTYPE_INET_UNSPEC
= ADDRTYPE_INET
| ADDRTYPE_UNSPEC
,
76 ADDRTYPE_INET_MULTI
= ADDRTYPE_INET
| ADDRTYPE_MULTI
79 static inline void inet_prefix_reset(inet_prefix
*p
)
84 static inline bool is_addrtype_inet(const inet_prefix
*p
)
86 return p
->flags
& ADDRTYPE_INET
;
89 static inline bool is_addrtype_inet_unspec(const inet_prefix
*p
)
91 return (p
->flags
& ADDRTYPE_INET_UNSPEC
) == ADDRTYPE_INET_UNSPEC
;
94 static inline bool is_addrtype_inet_multi(const inet_prefix
*p
)
96 return (p
->flags
& ADDRTYPE_INET_MULTI
) == ADDRTYPE_INET_MULTI
;
99 static inline bool is_addrtype_inet_not_unspec(const inet_prefix
*p
)
101 return (p
->flags
& ADDRTYPE_INET_UNSPEC
) == ADDRTYPE_INET
;
104 static inline bool is_addrtype_inet_not_multi(const inet_prefix
*p
)
106 return (p
->flags
& ADDRTYPE_INET_MULTI
) == ADDRTYPE_INET
;
109 #define DN_MAXADDL 20
116 unsigned short a_len
;
117 unsigned char a_addr
[DN_MAXADDL
];
124 #define IPPROTO_MPLS 137
128 # define CLOCK_TAI 11
139 __u32
get_addr32(const char *name
);
140 int get_addr_1(inet_prefix
*dst
, const char *arg
, int family
);
141 int get_prefix_1(inet_prefix
*dst
, char *arg
, int family
);
142 int get_addr(inet_prefix
*dst
, const char *arg
, int family
);
143 int get_prefix(inet_prefix
*dst
, char *arg
, int family
);
144 int mask2bits(__u32 netmask
);
145 int get_addr_rta(inet_prefix
*dst
, const struct rtattr
*rta
, int family
);
146 int get_addr_ila(__u64
*val
, const char *arg
);
148 int read_prop(const char *dev
, char *prop
, long *value
);
150 int get_integer(int *val
, const char *arg
, int base
);
151 int get_unsigned(unsigned *val
, const char *arg
, int base
);
152 int get_time_rtt(unsigned *val
, const char *arg
, int *raw
);
153 #define get_byte get_u8
154 #define get_ushort get_u16
155 #define get_short get_s16
156 int get_s64(__s64
*val
, const char *arg
, int base
);
157 int get_u64(__u64
*val
, const char *arg
, int base
);
158 int get_u32(__u32
*val
, const char *arg
, int base
);
159 int get_s32(__s32
*val
, const char *arg
, int base
);
160 int get_u16(__u16
*val
, const char *arg
, int base
);
161 int get_u8(__u8
*val
, const char *arg
, int base
);
162 int get_be64(__be64
*val
, const char *arg
, int base
);
163 int get_be32(__be32
*val
, const char *arg
, int base
);
164 int get_be16(__be16
*val
, const char *arg
, int base
);
165 int get_addr64(__u64
*ap
, const char *cp
);
167 int hex2mem(const char *buf
, uint8_t *mem
, int count
);
168 char *hexstring_n2a(const __u8
*str
, int len
, char *buf
, int blen
);
169 __u8
*hexstring_a2n(const char *str
, __u8
*buf
, int blen
, unsigned int *len
);
170 #define ADDR64_BUF_SIZE sizeof("xxxx:xxxx:xxxx:xxxx")
171 int addr64_n2a(__u64 addr
, char *buff
, size_t len
);
173 int af_bit_len(int af
);
175 const char *format_host_r(int af
, int len
, const void *addr
,
176 char *buf
, int buflen
);
177 #define format_host_rta_r(af, rta, buf, buflen) \
178 format_host_r(af, RTA_PAYLOAD(rta), RTA_DATA(rta), \
181 const char *format_host(int af
, int lne
, const void *addr
);
182 #define format_host_rta(af, rta) \
183 format_host(af, RTA_PAYLOAD(rta), RTA_DATA(rta))
184 const char *rt_addr_n2a_r(int af
, int len
, const void *addr
,
185 char *buf
, int buflen
);
186 const char *rt_addr_n2a(int af
, int len
, const void *addr
);
187 #define rt_addr_n2a_rta(af, rta) \
188 rt_addr_n2a(af, RTA_PAYLOAD(rta), RTA_DATA(rta))
190 int read_family(const char *name
);
191 const char *family_name(int family
);
193 void missarg(const char *) __attribute__((noreturn
));
194 void invarg(const char *, const char *) __attribute__((noreturn
));
195 void duparg(const char *, const char *) __attribute__((noreturn
));
196 void duparg2(const char *, const char *) __attribute__((noreturn
));
197 int nodev(const char *dev
);
198 int check_ifname(const char *);
199 int check_altifname(const char *name
);
200 int get_ifname(char *, const char *);
201 const char *get_ifname_rta(int ifindex
, const struct rtattr
*rta
);
202 bool matches(const char *prefix
, const char *string
);
203 int inet_addr_match(const inet_prefix
*a
, const inet_prefix
*b
, int bits
);
204 int inet_addr_match_rta(const inet_prefix
*m
, const struct rtattr
*rta
);
206 const char *mpls_ntop(int af
, const void *addr
, char *str
, size_t len
);
207 int mpls_pton(int af
, const char *src
, void *addr
, size_t alen
);
209 extern int __iproute2_hz_internal
;
212 static __inline__
int get_hz(void)
214 if (__iproute2_hz_internal
== 0)
215 __iproute2_hz_internal
= __get_hz();
216 return __iproute2_hz_internal
;
219 extern int __iproute2_user_hz_internal
;
220 int __get_user_hz(void);
222 static __inline__
int get_user_hz(void)
224 if (__iproute2_user_hz_internal
== 0)
225 __iproute2_user_hz_internal
= __get_user_hz();
226 return __iproute2_user_hz_internal
;
229 static inline __u32
nl_mgrp(__u32 group
)
232 fprintf(stderr
, "Use setsockopt for this group %d\n", group
);
235 return group
? (1 << (group
- 1)) : 0;
238 /* courtesy of bridge-utils */
239 static inline unsigned long __tv_to_jiffies(const struct timeval
*tv
)
241 unsigned long long jif
;
243 jif
= 1000000ULL * tv
->tv_sec
+ tv
->tv_usec
;
248 static inline void __jiffies_to_tv(struct timeval
*tv
, unsigned long jiffies
)
250 unsigned long long tvusec
;
252 tvusec
= 10000ULL*jiffies
;
253 tv
->tv_sec
= tvusec
/1000000;
254 tv
->tv_usec
= tvusec
- 1000000 * tv
->tv_sec
;
257 void print_escape_buf(const __u8
*buf
, size_t len
, const char *escape
);
259 int print_timestamp(FILE *fp
);
260 void print_nlmsg_timestamp(FILE *fp
, const struct nlmsghdr
*n
);
262 unsigned int print_name_and_link(const char *fmt
,
263 const char *name
, struct rtattr
*tb
[]);
265 #define BIT(nr) (1UL << (nr))
267 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
269 #define BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))
272 # define offsetof(type, member) ((size_t) &((type *)0)->member)
276 # define min(x, y) ({ \
277 typeof(x) _min1 = (x); \
278 typeof(y) _min2 = (y); \
279 (void) (&_min1 == &_min2); \
280 _min1 < _min2 ? _min1 : _min2; })
283 #ifndef __check_format_string
284 # define __check_format_string(pos_str, pos_args) \
285 __attribute__ ((format (printf, (pos_str), (pos_args))))
288 #define _textify(x) #x
289 #define textify(x) _textify(x)
291 #define htonll(x) ((1==htonl(1)) ? (x) : ((uint64_t)htonl((x) & 0xFFFFFFFF) << 32) | htonl((x) >> 32))
292 #define ntohll(x) ((1==ntohl(1)) ? (x) : ((uint64_t)ntohl((x) & 0xFFFFFFFF) << 32) | ntohl((x) >> 32))
294 extern int cmdlineno
;
295 ssize_t
getcmdline(char **line
, size_t *len
, FILE *in
);
296 int makeargs(char *line
, char *argv
[], int maxargs
);
298 char *int_to_str(int val
, char *buf
);
299 int get_guid(__u64
*guid
, const char *arg
);
300 int get_real_family(int rtm_type
, int rtm_family
);
302 int cmd_exec(const char *cmd
, char **argv
, bool do_fork
,
303 int (*setup
)(void *), void *arg
);
304 int make_path(const char *path
, mode_t mode
);
305 char *find_cgroup2_mount(bool do_mount
);
306 __u64
get_cgroup2_id(const char *path
);
307 char *get_cgroup2_path(__u64 id
, bool full
);
308 int get_command_name(const char *pid
, char *comm
, size_t len
);
310 int get_rtnl_link_stats_rta(struct rtnl_link_stats64
*stats64
,
311 struct rtattr
*tb
[]);
314 size_t strlcpy(char *dst
, const char *src
, size_t size
);
315 size_t strlcat(char *dst
, const char *src
, size_t size
);
320 int get_time(unsigned int *time
, const char *str
);
321 int get_time64(__s64
*time
, const char *str
);
322 char *sprint_time(__u32 time
, char *buf
);
323 char *sprint_time64(__s64 time
, char *buf
);
325 int do_batch(const char *name
, bool force
,
326 int (*cmd
)(int argc
, char *argv
[], void *user
), void *user
);
328 int parse_one_of(const char *msg
, const char *realval
, const char * const *list
,
329 size_t len
, int *p_err
);
330 bool parse_on_off(const char *msg
, const char *realval
, int *p_err
);
332 #endif /* __UTILS_H__ */