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 #include <time.h> 10 11 #include "libnetlink.h" 12 #include "ll_map.h" 13 #include "rtm_map.h" 14 15 extern int preferred_family; 16 extern int human_readable; 17 extern int use_iec; 18 extern int show_stats; 19 extern int show_details; 20 extern int show_raw; 21 extern int resolve_hosts; 22 extern int oneline; 23 extern int brief; 24 extern int json; 25 extern int timestamp; 26 extern int timestamp_short; 27 extern const char * _SL_; 28 extern int max_flush_loops; 29 extern int batch_mode; 30 extern bool do_all; 31 32 #ifndef CONFDIR 33 #define CONFDIR "/etc/iproute2" 34 #endif 35 36 #define SPRINT_BSIZE 64 37 #define SPRINT_BUF(x) char x[SPRINT_BSIZE] 38 39 void incomplete_command(void) __attribute__((noreturn)); 40 41 #define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0) 42 #define NEXT_ARG_OK() (argc - 1 > 0) 43 #define NEXT_ARG_FWD() do { argv++; argc--; } while(0) 44 #define PREV_ARG() do { argv--; argc++; } while(0) 45 46 typedef struct 47 { 48 __u16 flags; 49 __u16 bytelen; 50 __s16 bitlen; 51 /* These next two fields match rtvia */ 52 __u16 family; 53 __u32 data[64]; 54 } inet_prefix; 55 56 #define PREFIXLEN_SPECIFIED 1 57 58 #define DN_MAXADDL 20 59 #ifndef AF_DECnet 60 #define AF_DECnet 12 61 #endif 62 63 struct dn_naddr 64 { 65 unsigned short a_len; 66 unsigned char a_addr[DN_MAXADDL]; 67 }; 68 69 #define IPX_NODE_LEN 6 70 71 struct ipx_addr { 72 u_int32_t ipx_net; 73 u_int8_t ipx_node[IPX_NODE_LEN]; 74 }; 75 76 #ifndef AF_MPLS 77 # define AF_MPLS 28 78 #endif 79 #ifndef IPPROTO_MPLS 80 #define IPPROTO_MPLS 137 81 #endif 82 83 __u32 get_addr32(const char *name); 84 int get_addr_1(inet_prefix *dst, const char *arg, int family); 85 int get_prefix_1(inet_prefix *dst, char *arg, int family); 86 int get_addr(inet_prefix *dst, const char *arg, int family); 87 int get_prefix(inet_prefix *dst, char *arg, int family); 88 int mask2bits(__u32 netmask); 89 int get_addr_ila(__u64 *val, const char *arg); 90 91 int get_hex(char c); 92 int get_integer(int *val, const char *arg, int base); 93 int get_unsigned(unsigned *val, const char *arg, int base); 94 int get_time_rtt(unsigned *val, const char *arg, int *raw); 95 #define get_byte get_u8 96 #define get_ushort get_u16 97 #define get_short get_s16 98 int get_u64(__u64 *val, const char *arg, int base); 99 int get_u32(__u32 *val, const char *arg, int base); 100 int get_s32(__s32 *val, const char *arg, int base); 101 int get_u16(__u16 *val, const char *arg, int base); 102 int get_s16(__s16 *val, const char *arg, int base); 103 int get_u8(__u8 *val, const char *arg, int base); 104 int get_s8(__s8 *val, const char *arg, int base); 105 int get_be64(__be64 *val, const char *arg, int base); 106 int get_be32(__be32 *val, const char *arg, int base); 107 int get_be16(__be16 *val, const char *arg, int base); 108 int get_addr64(__u64 *ap, const char *cp); 109 110 int hex2mem(const char *buf, uint8_t *mem, int count); 111 char *hexstring_n2a(const __u8 *str, int len, char *buf, int blen); 112 __u8 *hexstring_a2n(const char *str, __u8 *buf, int blen, unsigned int *len); 113 #define ADDR64_BUF_SIZE sizeof("xxxx:xxxx:xxxx:xxxx") 114 int addr64_n2a(__u64 addr, char *buff, size_t len); 115 116 int af_bit_len(int af); 117 int af_byte_len(int af); 118 119 const char *format_host_r(int af, int len, const void *addr, 120 char *buf, int buflen); 121 const char *format_host(int af, int lne, const void *addr); 122 #define format_host_rta(af, rta) \ 123 format_host(af, RTA_PAYLOAD(rta), RTA_DATA(rta)) 124 const char *rt_addr_n2a_r(int af, int len, const void *addr, 125 char *buf, int buflen); 126 const char *rt_addr_n2a(int af, int len, const void *addr); 127 #define rt_addr_n2a_rta(af, rta) \ 128 rt_addr_n2a(af, RTA_PAYLOAD(rta), RTA_DATA(rta)) 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 check_ifname(const char *); 138 int get_ifname(char *, const char *); 139 int matches(const char *arg, const char *pattern); 140 int inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits); 141 142 const char *dnet_ntop(int af, const void *addr, char *str, size_t len); 143 int dnet_pton(int af, const char *src, void *addr); 144 145 const char *ipx_ntop(int af, const void *addr, char *str, size_t len); 146 int ipx_pton(int af, const char *src, void *addr); 147 148 const char *mpls_ntop(int af, const void *addr, char *str, size_t len); 149 int mpls_pton(int af, const char *src, void *addr, size_t alen); 150 151 extern int __iproute2_hz_internal; 152 int __get_hz(void); 153 154 static __inline__ int get_hz(void) 155 { 156 if (__iproute2_hz_internal == 0) 157 __iproute2_hz_internal = __get_hz(); 158 return __iproute2_hz_internal; 159 } 160 161 extern int __iproute2_user_hz_internal; 162 int __get_user_hz(void); 163 164 static __inline__ int get_user_hz(void) 165 { 166 if (__iproute2_user_hz_internal == 0) 167 __iproute2_user_hz_internal = __get_user_hz(); 168 return __iproute2_user_hz_internal; 169 } 170 171 static inline __u32 nl_mgrp(__u32 group) 172 { 173 if (group > 31 ) { 174 fprintf(stderr, "Use setsockopt for this group %d\n", group); 175 exit(-1); 176 } 177 return group ? (1 << (group - 1)) : 0; 178 } 179 180 /* courtesy of bridge-utils */ 181 static inline unsigned long __tv_to_jiffies(const struct timeval *tv) 182 { 183 unsigned long long jif; 184 185 jif = 1000000ULL * tv->tv_sec + tv->tv_usec; 186 187 return jif/10000; 188 } 189 190 static inline void __jiffies_to_tv(struct timeval *tv, unsigned long jiffies) 191 { 192 unsigned long long tvusec; 193 194 tvusec = 10000ULL*jiffies; 195 tv->tv_sec = tvusec/1000000; 196 tv->tv_usec = tvusec - 1000000 * tv->tv_sec; 197 } 198 199 void print_escape_buf(const __u8 *buf, size_t len, const char *escape); 200 201 int print_timestamp(FILE *fp); 202 void print_nlmsg_timestamp(FILE *fp, const struct nlmsghdr *n); 203 204 #define BIT(nr) (1UL << (nr)) 205 206 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 207 208 #define BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)])) 209 210 #ifndef offsetof 211 # define offsetof(type, member) ((size_t) &((type *)0)->member) 212 #endif 213 214 #ifndef min 215 # define min(x, y) ({ \ 216 typeof(x) _min1 = (x); \ 217 typeof(y) _min2 = (y); \ 218 (void) (&_min1 == &_min2); \ 219 _min1 < _min2 ? _min1 : _min2; }) 220 #endif 221 222 #ifndef __check_format_string 223 # define __check_format_string(pos_str, pos_args) \ 224 __attribute__ ((format (printf, (pos_str), (pos_args)))) 225 #endif 226 227 #define _textify(x) #x 228 #define textify(x) _textify(x) 229 230 #define htonll(x) ((1==htonl(1)) ? (x) : ((uint64_t)htonl((x) & 0xFFFFFFFF) << 32) | htonl((x) >> 32)) 231 #define ntohll(x) ((1==ntohl(1)) ? (x) : ((uint64_t)ntohl((x) & 0xFFFFFFFF) << 32) | ntohl((x) >> 32)) 232 233 extern int cmdlineno; 234 ssize_t getcmdline(char **line, size_t *len, FILE *in); 235 int makeargs(char *line, char *argv[], int maxargs); 236 int inet_get_addr(const char *src, __u32 *dst, struct in6_addr *dst6); 237 238 struct iplink_req { 239 struct nlmsghdr n; 240 struct ifinfomsg i; 241 char buf[1024]; 242 }; 243 244 int iplink_parse(int argc, char **argv, struct iplink_req *req, 245 char **name, char **type, char **link, char **dev, 246 int *group, int *index); 247 248 int do_each_netns(int (*func)(char *nsname, void *arg), void *arg, 249 bool show_label); 250 251 char *int_to_str(int val, char *buf); 252 int get_guid(__u64 *guid, const char *arg); 253 int get_real_family(int rtm_type, int rtm_family); 254 255 int cmd_exec(const char *cmd, char **argv, bool do_fork); 256 int make_path(const char *path, mode_t mode); 257 char *find_cgroup2_mount(void); 258 int get_command_name(const char *pid, char *comm, size_t len); 259 260 #ifdef NEED_STRLCPY 261 size_t strlcpy(char *dst, const char *src, size_t size); 262 size_t strlcat(char *dst, const char *src, size_t size); 263 #endif 264 265 #endif /* __UTILS_H__ */ 266
