1 #ifndef _NETINET_IN_H 2 #define _NETINET_IN_H 3 4 #ifdef __cplusplus 5 extern "C" { 6 #endif 7 8 #include <sys/features.h> 9 #include <inttypes.h> 10 #include <sys/socket.h> 11 12 typedef uint16_t in_port_t; 13 typedef uint32_t in_addr_t; 14 struct in_addr { in_addr_t s_addr; }; 15 16 struct sockaddr_in { 17 sa_family_t sin_family; 18 in_port_t sin_port; 19 struct in_addr sin_addr; 20 uint8_t sin_zero[8]; 21 }; 22 23 struct in6_addr { 24 union { 25 uint8_t __s6_addr[16]; 26 uint16_t __s6_addr16[8]; 27 uint32_t __s6_addr32[4]; 28 } __in6_union; 29 }; 30 #define s6_addr __in6_union.__s6_addr 31 #define s6_addr16 __in6_union.__s6_addr16 32 #define s6_addr32 __in6_union.__s6_addr32 33 34 struct sockaddr_in6 { 35 sa_family_t sin6_family; 36 in_port_t sin6_port; 37 uint32_t sin6_flowinfo; 38 struct in6_addr sin6_addr; 39 uint32_t sin6_scope_id; 40 }; 41 42 struct ipv6_mreq { 43 struct in6_addr ipv6mr_multiaddr; 44 unsigned ipv6mr_interface; 45 }; 46 47 #define INADDR_ANY ((in_addr_t) 0x00000000) 48 #define INADDR_BROADCAST ((in_addr_t) 0xffffffff) 49 #define INADDR_NONE ((in_addr_t) 0xffffffff) 50 #define INADDR_LOOPBACK ((in_addr_t) 0x7f000001) 51 52 #define INADDR_UNSPEC_GROUP ((in_addr_t) 0xe0000000) 53 #define INADDR_ALLHOSTS_GROUP ((in_addr_t) 0xe0000001) 54 #define INADDR_ALLRTRS_GROUP ((in_addr_t) 0xe0000002) 55 #define INADDR_ALLSNOOPERS_GROUP ((in_addr_t) 0xe000006a) 56 #define INADDR_MAX_LOCAL_GROUP ((in_addr_t) 0xe00000ff) 57 58 #define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } } 59 #define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } } 60 61 extern const struct in6_addr in6addr_any, in6addr_loopback; 62 63 #undef INET_ADDRSTRLEN 64 #undef INET6_ADDRSTRLEN 65 #define INET_ADDRSTRLEN 16 66 #define INET6_ADDRSTRLEN 46 67 68 uint32_t htonl(uint32_t); 69 uint16_t htons(uint16_t); 70 uint32_t ntohl(uint32_t); 71 uint16_t ntohs(uint16_t); 72 73 #define IPPORT_RESERVED 1024 74 75 #define IPPROTO_IP 0 76 #define IPPROTO_HOPOPTS 0 77 #define IPPROTO_ICMP 1 78 #define IPPROTO_IGMP 2 79 #define IPPROTO_IPIP 4 80 #define IPPROTO_TCP 6 81 #define IPPROTO_EGP 8 82 #define IPPROTO_PUP 12 83 #define IPPROTO_UDP 17 84 #define IPPROTO_IDP 22 85 #define IPPROTO_TP 29 86 #define IPPROTO_DCCP 33 87 #define IPPROTO_IPV6 41 88 #define IPPROTO_ROUTING 43 89 #define IPPROTO_FRAGMENT 44 90 #define IPPROTO_RSVP 46 91 #define IPPROTO_GRE 47 92 #define IPPROTO_ESP 50 93 #define IPPROTO_AH 51 94 #define IPPROTO_ICMPV6 58 95 #define IPPROTO_NONE 59 96 #define IPPROTO_DSTOPTS 60 97 #define IPPROTO_MTP 92 98 #define IPPROTO_BEETPH 94 99 #define IPPROTO_ENCAP 98 100 #define IPPROTO_PIM 103 101 #define IPPROTO_COMP 108 102 #define IPPROTO_SCTP 132 103 #define IPPROTO_MH 135 104 #define IPPROTO_UDPLITE 136 105 #define IPPROTO_MPLS 137 106 #define IPPROTO_ETHERNET 143 107 #define IPPROTO_RAW 255 108 #define IPPROTO_MPTCP 262 109 #define IPPROTO_MAX 263 110 111 #define IN6_IS_ADDR_UNSPECIFIED(a) \ 112 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \ 113 ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == 0) 114 115 #define IN6_IS_ADDR_LOOPBACK(a) \ 116 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \ 117 ((uint32_t *) (a))[2] == 0 && \ 118 ((uint8_t *) (a))[12] == 0 && ((uint8_t *) (a))[13] == 0 && \ 119 ((uint8_t *) (a))[14] == 0 && ((uint8_t *) (a))[15] == 1 ) 120 121 #define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff) 122 123 #define IN6_IS_ADDR_LINKLOCAL(a) \ 124 ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0x80) 125 126 #define IN6_IS_ADDR_SITELOCAL(a) \ 127 ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0xc0) 128 129 #define IN6_IS_ADDR_V4MAPPED(a) \ 130 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \ 131 ((uint8_t *) (a))[8] == 0 && ((uint8_t *) (a))[9] == 0 && \ 132 ((uint8_t *) (a))[10] == 0xff && ((uint8_t *) (a))[11] == 0xff) 133 134 #define IN6_IS_ADDR_V4COMPAT(a) \ 135 (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \ 136 ((uint32_t *) (a))[2] == 0 && ((uint8_t *) (a))[15] > 1) 137 138 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 139 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x1)) 140 141 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 142 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x2)) 143 144 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 145 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x5)) 146 147 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 148 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x8)) 149 150 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 151 (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0xe)) 152 153 #define __ARE_4_EQUAL(a,b) \ 154 (!( (0[a]-0[b]) | (1[a]-1[b]) | (2[a]-2[b]) | (3[a]-3[b]) )) 155 #define IN6_ARE_ADDR_EQUAL(a,b) \ 156 __ARE_4_EQUAL((const uint32_t *)(a), (const uint32_t *)(b)) 157 158 #define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0) 159 #define IN_CLASSA_NET 0xff000000 160 #define IN_CLASSA_NSHIFT 24 161 #define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) 162 #define IN_CLASSA_MAX 128 163 #define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000) 164 #define IN_CLASSB_NET 0xffff0000 165 #define IN_CLASSB_NSHIFT 16 166 #define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) 167 #define IN_CLASSB_MAX 65536 168 #define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000) 169 #define IN_CLASSC_NET 0xffffff00 170 #define IN_CLASSC_NSHIFT 8 171 #define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) 172 #define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000) 173 #define IN_MULTICAST(a) IN_CLASSD(a) 174 #define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000) 175 #define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000) 176 177 #define IN_LOOPBACKNET 127 178 179 180 #define IP_TOS 1 181 #define IP_TTL 2 182 #define IP_HDRINCL 3 183 #define IP_OPTIONS 4 184 #define IP_ROUTER_ALERT 5 185 #define IP_RECVOPTS 6 186 #define IP_RETOPTS 7 187 #define IP_PKTINFO 8 188 #define IP_PKTOPTIONS 9 189 #define IP_PMTUDISC 10 190 #define IP_MTU_DISCOVER 10 191 #define IP_RECVERR 11 192 #define IP_RECVTTL 12 193 #define IP_RECVTOS 13 194 #define IP_MTU 14 195 #define IP_FREEBIND 15 196 #define IP_IPSEC_POLICY 16 197 #define IP_XFRM_POLICY 17 198 #define IP_PASSSEC 18 199 #define IP_TRANSPARENT 19 200 #define IP_ORIGDSTADDR 20 201 #define IP_RECVORIGDSTADDR IP_ORIGDSTADDR 202 #define IP_MINTTL 21 203 #define IP_NODEFRAG 22 204 #define IP_CHECKSUM 23 205 #define IP_BIND_ADDRESS_NO_PORT 24 206 #define IP_RECVFRAGSIZE 25 207 #define IP_RECVERR_RFC4884 26 208 #define IP_MULTICAST_IF 32 209 #define IP_MULTICAST_TTL 33 210 #define IP_MULTICAST_LOOP 34 211 #define IP_ADD_MEMBERSHIP 35 212 #define IP_DROP_MEMBERSHIP 36 213 #define IP_UNBLOCK_SOURCE 37 214 #define IP_BLOCK_SOURCE 38 215 #define IP_ADD_SOURCE_MEMBERSHIP 39 216 #define IP_DROP_SOURCE_MEMBERSHIP 40 217 #define IP_MSFILTER 41 218 #define IP_MULTICAST_ALL 49 219 #define IP_UNICAST_IF 50 220 221 #define IP_RECVRETOPTS IP_RETOPTS 222 223 #define IP_PMTUDISC_DONT 0 224 #define IP_PMTUDISC_WANT 1 225 #define IP_PMTUDISC_DO 2 226 #define IP_PMTUDISC_PROBE 3 227 #define IP_PMTUDISC_INTERFACE 4 228 #define IP_PMTUDISC_OMIT 5 229 230 #define IP_DEFAULT_MULTICAST_TTL 1 231 #define IP_DEFAULT_MULTICAST_LOOP 1 232 #define IP_MAX_MEMBERSHIPS 20 233 234 struct ip_opts { 235 struct in_addr ip_dst; 236 char ip_opts[40]; 237 }; 238 239 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 240 241 #define MCAST_JOIN_GROUP 42 242 #define MCAST_BLOCK_SOURCE 43 243 #define MCAST_UNBLOCK_SOURCE 44 244 #define MCAST_LEAVE_GROUP 45 245 #define MCAST_JOIN_SOURCE_GROUP 46 246 #define MCAST_LEAVE_SOURCE_GROUP 47 247 #define MCAST_MSFILTER 48 248 249 #define MCAST_EXCLUDE 0 250 #define MCAST_INCLUDE 1 251 252 struct ip_mreq { 253 struct in_addr imr_multiaddr; 254 struct in_addr imr_interface; 255 }; 256 257 struct ip_mreqn { 258 struct in_addr imr_multiaddr; 259 struct in_addr imr_address; 260 int imr_ifindex; 261 }; 262 263 struct ip_mreq_source { 264 struct in_addr imr_multiaddr; 265 struct in_addr imr_interface; 266 struct in_addr imr_sourceaddr; 267 }; 268 269 struct ip_msfilter { 270 struct in_addr imsf_multiaddr; 271 struct in_addr imsf_interface; 272 uint32_t imsf_fmode; 273 uint32_t imsf_numsrc; 274 struct in_addr imsf_slist[1]; 275 }; 276 #define IP_MSFILTER_SIZE(numsrc) \ 277 (sizeof(struct ip_msfilter) - sizeof(struct in_addr) \ 278 + (numsrc) * sizeof(struct in_addr)) 279 280 struct group_req { 281 uint32_t gr_interface; 282 struct sockaddr_storage gr_group; 283 }; 284 285 struct group_source_req { 286 uint32_t gsr_interface; 287 struct sockaddr_storage gsr_group; 288 struct sockaddr_storage gsr_source; 289 }; 290 291 struct group_filter { 292 uint32_t gf_interface; 293 struct sockaddr_storage gf_group; 294 uint32_t gf_fmode; 295 uint32_t gf_numsrc; 296 struct sockaddr_storage gf_slist[1]; 297 }; 298 #define GROUP_FILTER_SIZE(numsrc) \ 299 (sizeof(struct group_filter) - sizeof(struct sockaddr_storage) \ 300 + (numsrc) * sizeof(struct sockaddr_storage)) 301 302 struct in_pktinfo { 303 int ipi_ifindex; 304 struct in_addr ipi_spec_dst; 305 struct in_addr ipi_addr; 306 }; 307 308 struct in6_pktinfo { 309 struct in6_addr ipi6_addr; 310 unsigned ipi6_ifindex; 311 }; 312 313 struct ip6_mtuinfo { 314 struct sockaddr_in6 ip6m_addr; 315 uint32_t ip6m_mtu; 316 }; 317 #endif 318 319 #define IPV6_ADDRFORM 1 320 #define IPV6_2292PKTINFO 2 321 #define IPV6_2292HOPOPTS 3 322 #define IPV6_2292DSTOPTS 4 323 #define IPV6_2292RTHDR 5 324 #define IPV6_2292PKTOPTIONS 6 325 #define IPV6_CHECKSUM 7 326 #define IPV6_2292HOPLIMIT 8 327 #define IPV6_NEXTHOP 9 328 #define IPV6_AUTHHDR 10 329 #define IPV6_UNICAST_HOPS 16 330 #define IPV6_MULTICAST_IF 17 331 #define IPV6_MULTICAST_HOPS 18 332 #define IPV6_MULTICAST_LOOP 19 333 #define IPV6_JOIN_GROUP 20 334 #define IPV6_LEAVE_GROUP 21 335 #define IPV6_ROUTER_ALERT 22 336 #define IPV6_MTU_DISCOVER 23 337 #define IPV6_MTU 24 338 #define IPV6_RECVERR 25 339 #define IPV6_V6ONLY 26 340 #define IPV6_JOIN_ANYCAST 27 341 #define IPV6_LEAVE_ANYCAST 28 342 #define IPV6_MULTICAST_ALL 29 343 #define IPV6_ROUTER_ALERT_ISOLATE 30 344 #define IPV6_IPSEC_POLICY 34 345 #define IPV6_XFRM_POLICY 35 346 #define IPV6_HDRINCL 36 347 348 #define IPV6_RECVPKTINFO 49 349 #define IPV6_PKTINFO 50 350 #define IPV6_RECVHOPLIMIT 51 351 #define IPV6_HOPLIMIT 52 352 #define IPV6_RECVHOPOPTS 53 353 #define IPV6_HOPOPTS 54 354 #define IPV6_RTHDRDSTOPTS 55 355 #define IPV6_RECVRTHDR 56 356 #define IPV6_RTHDR 57 357 #define IPV6_RECVDSTOPTS 58 358 #define IPV6_DSTOPTS 59 359 #define IPV6_RECVPATHMTU 60 360 #define IPV6_PATHMTU 61 361 #define IPV6_DONTFRAG 62 362 #define IPV6_RECVTCLASS 66 363 #define IPV6_TCLASS 67 364 #define IPV6_AUTOFLOWLABEL 70 365 #define IPV6_ADDR_PREFERENCES 72 366 #define IPV6_MINHOPCOUNT 73 367 #define IPV6_ORIGDSTADDR 74 368 #define IPV6_RECVORIGDSTADDR IPV6_ORIGDSTADDR 369 #define IPV6_TRANSPARENT 75 370 #define IPV6_UNICAST_IF 76 371 #define IPV6_RECVFRAGSIZE 77 372 #define IPV6_FREEBIND 78 373 374 #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP 375 #define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP 376 #define IPV6_RXHOPOPTS IPV6_HOPOPTS 377 #define IPV6_RXDSTOPTS IPV6_DSTOPTS 378 379 #define IPV6_PMTUDISC_DONT 0 380 #define IPV6_PMTUDISC_WANT 1 381 #define IPV6_PMTUDISC_DO 2 382 #define IPV6_PMTUDISC_PROBE 3 383 #define IPV6_PMTUDISC_INTERFACE 4 384 #define IPV6_PMTUDISC_OMIT 5 385 386 #define IPV6_PREFER_SRC_TMP 0x0001 387 #define IPV6_PREFER_SRC_PUBLIC 0x0002 388 #define IPV6_PREFER_SRC_PUBTMP_DEFAULT 0x0100 389 #define IPV6_PREFER_SRC_COA 0x0004 390 #define IPV6_PREFER_SRC_HOME 0x0400 391 #define IPV6_PREFER_SRC_CGA 0x0008 392 #define IPV6_PREFER_SRC_NONCGA 0x0800 393 394 #define IPV6_RTHDR_LOOSE 0 395 #define IPV6_RTHDR_STRICT 1 396 397 #define IPV6_RTHDR_TYPE_0 0 398 399 #define __UAPI_DEF_IN_ADDR 0 400 #define __UAPI_DEF_IN_IPPROTO 0 401 #define __UAPI_DEF_IN_PKTINFO 0 402 #define __UAPI_DEF_IP_MREQ 0 403 #define __UAPI_DEF_SOCKADDR_IN 0 404 #define __UAPI_DEF_IN_CLASS 0 405 #define __UAPI_DEF_IN6_ADDR 0 406 #define __UAPI_DEF_IN6_ADDR_ALT 0 407 #define __UAPI_DEF_SOCKADDR_IN6 0 408 #define __UAPI_DEF_IPV6_MREQ 0 409 #define __UAPI_DEF_IPPROTO_V6 0 410 #define __UAPI_DEF_IPV6_OPTIONS 0 411 #define __UAPI_DEF_IN6_PKTINFO 0 412 #define __UAPI_DEF_IP6_MTUINFO 0 413 414 #ifdef __cplusplus 415 } 416 #endif 417 418 #endif 419