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); 151 152 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); 161 162 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 } 168 169 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
