libc-top-half/musl/include/netinet/in.h

   1 #ifndef _NETINET_IN_H
   2 #define _NETINET_IN_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <features.h>
   9 #include <inttypes.h>
  10 #include <sys/socket.h>
  11 #ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
  12 #else
  13 #include <__header_netinet_in.h>
  14 #endif
  15
  16 typedef uint16_t in_port_t;
  17 typedef uint32_t in_addr_t;
  18 #ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
  19 struct in_addr { in_addr_t s_addr; };
  20 #endif
  21
  22 #ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
  23 struct sockaddr_in {
  24         sa_family_t sin_family;
  25         in_port_t sin_port;
  26         struct in_addr sin_addr;
  27         uint8_t sin_zero[8];
  28 };
  29 #endif
  30
  31 #ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
  32 struct in6_addr {
  33         union {
  34                 uint8_t __s6_addr[16];
  35                 uint16_t __s6_addr16[8];
  36                 uint32_t __s6_addr32[4];
  37         } __in6_union;
  38 };
  39 #define s6_addr __in6_union.__s6_addr
  40 #define s6_addr16 __in6_union.__s6_addr16
  41 #define s6_addr32 __in6_union.__s6_addr32
  42 #endif
  43
  44 #ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
  45 struct sockaddr_in6 {
  46         sa_family_t     sin6_family;
  47         in_port_t       sin6_port;
  48         uint32_t        sin6_flowinfo;
  49         struct in6_addr sin6_addr;
  50         uint32_t        sin6_scope_id;
  51 };
  52 #endif
  53
  54 struct ipv6_mreq {
  55         struct in6_addr ipv6mr_multiaddr;
  56         unsigned        ipv6mr_interface;
  57 };
  58
  59 #define INADDR_ANY        ((in_addr_t) 0x00000000)
  60 #define INADDR_BROADCAST  ((in_addr_t) 0xffffffff)
  61 #define INADDR_NONE       ((in_addr_t) 0xffffffff)
  62 #define INADDR_LOOPBACK   ((in_addr_t) 0x7f000001)
  63
  64 #define INADDR_UNSPEC_GROUP     ((in_addr_t) 0xe0000000)
  65 #define INADDR_ALLHOSTS_GROUP   ((in_addr_t) 0xe0000001)
  66 #define INADDR_ALLRTRS_GROUP    ((in_addr_t) 0xe0000002)
  67 #define INADDR_MAX_LOCAL_GROUP  ((in_addr_t) 0xe00000ff)
  68
  69 #define IN6ADDR_ANY_INIT      { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
  70 #define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
  71
  72 extern const struct in6_addr in6addr_any, in6addr_loopback;
  73
  74 #undef INET_ADDRSTRLEN
  75 #undef INET6_ADDRSTRLEN
  76 #define INET_ADDRSTRLEN  16
  77 #define INET6_ADDRSTRLEN 46
  78
  79 uint32_t htonl(uint32_t);
  80 uint16_t htons(uint16_t);
  81 uint32_t ntohl(uint32_t);
  82 uint16_t ntohs(uint16_t);
  83
  84 #define IPPORT_RESERVED 1024
  85
  86 #ifdef __wasilibc_unmodified_upstream /* Use alternate WASI libc headers */
  87 #define IPPROTO_IP       0
  88 #define IPPROTO_HOPOPTS  0
  89 #define IPPROTO_ICMP     1
  90 #define IPPROTO_IGMP     2
  91 #define IPPROTO_IPIP     4
  92 #define IPPROTO_TCP      6
  93 #define IPPROTO_EGP      8
  94 #define IPPROTO_PUP      12
  95 #define IPPROTO_UDP      17
  96 #define IPPROTO_IDP      22
  97 #define IPPROTO_TP       29
  98 #define IPPROTO_DCCP     33
  99 #define IPPROTO_IPV6     41
 100 #define IPPROTO_ROUTING  43
 101 #define IPPROTO_FRAGMENT 44
 102 #define IPPROTO_RSVP     46
 103 #define IPPROTO_GRE      47
 104 #define IPPROTO_ESP      50
 105 #define IPPROTO_AH       51
 106 #define IPPROTO_ICMPV6   58
 107 #define IPPROTO_NONE     59
 108 #define IPPROTO_DSTOPTS  60
 109 #define IPPROTO_MTP      92
 110 #define IPPROTO_BEETPH   94
 111 #define IPPROTO_ENCAP    98
 112 #define IPPROTO_PIM      103
 113 #define IPPROTO_COMP     108
 114 #define IPPROTO_SCTP     132
 115 #define IPPROTO_MH       135
 116 #define IPPROTO_UDPLITE  136
 117 #define IPPROTO_MPLS     137
 118 #define IPPROTO_RAW      255
 119 #define IPPROTO_MAX      256
 120 #endif
 121
 122 #define IN6_IS_ADDR_UNSPECIFIED(a) \
 123         (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
 124          ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == 0)
 125
 126 #define IN6_IS_ADDR_LOOPBACK(a) \
 127         (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
 128          ((uint32_t *) (a))[2] == 0 && \
 129          ((uint8_t *) (a))[12] == 0 && ((uint8_t *) (a))[13] == 0 && \
 130          ((uint8_t *) (a))[14] == 0 && ((uint8_t *) (a))[15] == 1 )
 131
 132 #define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)
 133
 134 #define IN6_IS_ADDR_LINKLOCAL(a) \
 135         ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0x80)
 136
 137 #define IN6_IS_ADDR_SITELOCAL(a) \
 138         ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0xc0)
 139
 140 #define IN6_IS_ADDR_V4MAPPED(a) \
 141         (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
 142          ((uint8_t *) (a))[8] == 0 && ((uint8_t *) (a))[9] == 0 && \
 143          ((uint8_t *) (a))[10] == 0xff && ((uint8_t *) (a))[11] == 0xff)
 144
 145 #define IN6_IS_ADDR_V4COMPAT(a) \
 146         (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
 147          ((uint32_t *) (a))[2] == 0 && ((uint8_t *) (a))[15] > 1)
 148
 149 #define IN6_IS_ADDR_MC_NODELOCAL(a) \
 150         (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x1))
 151
 152 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \
 153         (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x2))
 154
 155 #define IN6_IS_ADDR_MC_SITELOCAL(a) \
 156         (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x5))
 157
 158 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \
 159         (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x8))
 160
 161 #define IN6_IS_ADDR_MC_GLOBAL(a) \
 162         (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0xe))
 163
 164 #define __ARE_4_EQUAL(a,b) \
 165         (!( (0[a]-0[b]) | (1[a]-1[b]) | (2[a]-2[b]) | (3[a]-3[b]) ))
 166 #define IN6_ARE_ADDR_EQUAL(a,b) \
 167         __ARE_4_EQUAL((const uint32_t *)(a), (const uint32_t *)(b))
 168
 169 #define IN_CLASSA(a)            ((((in_addr_t)(a)) & 0x80000000) == 0)
 170 #define IN_CLASSA_NET           0xff000000
 171 #define IN_CLASSA_NSHIFT        24
 172 #define IN_CLASSA_HOST          (0xffffffff & ~IN_CLASSA_NET)
 173 #define IN_CLASSA_MAX           128
 174 #define IN_CLASSB(a)            ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000)
 175 #define IN_CLASSB_NET           0xffff0000
 176 #define IN_CLASSB_NSHIFT        16
 177 #define IN_CLASSB_HOST          (0xffffffff & ~IN_CLASSB_NET)
 178 #define IN_CLASSB_MAX           65536
 179 #define IN_CLASSC(a)            ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000)
 180 #define IN_CLASSC_NET           0xffffff00
 181 #define IN_CLASSC_NSHIFT        8
 182 #define IN_CLASSC_HOST          (0xffffffff & ~IN_CLASSC_NET)
 183 #define IN_CLASSD(a)            ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000)
 184 #define IN_MULTICAST(a)         IN_CLASSD(a)
 185 #define IN_EXPERIMENTAL(a)      ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000)
 186 #define IN_BADCLASS(a)          ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000)
 187
 188 #define IN_LOOPBACKNET 127
 189
 190
 191 #define IP_TOS             1
 192 #define IP_TTL             2
 193 #define IP_HDRINCL         3
 194 #define IP_OPTIONS         4
 195 #define IP_ROUTER_ALERT    5
 196 #define IP_RECVOPTS        6
 197 #define IP_RETOPTS         7
 198 #define IP_PKTINFO         8
 199 #define IP_PKTOPTIONS      9
 200 #define IP_PMTUDISC        10
 201 #define IP_MTU_DISCOVER    10
 202 #define IP_RECVERR         11
 203 #define IP_RECVTTL         12
 204 #define IP_RECVTOS         13
 205 #define IP_MTU             14
 206 #define IP_FREEBIND        15
 207 #define IP_IPSEC_POLICY    16
 208 #define IP_XFRM_POLICY     17
 209 #define IP_PASSSEC         18
 210 #define IP_TRANSPARENT     19
 211 #define IP_ORIGDSTADDR     20
 212 #define IP_RECVORIGDSTADDR IP_ORIGDSTADDR
 213 #define IP_MINTTL          21
 214 #define IP_NODEFRAG        22
 215 #define IP_CHECKSUM        23
 216 #define IP_BIND_ADDRESS_NO_PORT 24
 217 #define IP_RECVFRAGSIZE    25
 218 #define IP_MULTICAST_IF    32
 219 #define IP_MULTICAST_TTL   33
 220 #define IP_MULTICAST_LOOP  34
 221 #define IP_ADD_MEMBERSHIP  35
 222 #define IP_DROP_MEMBERSHIP 36
 223 #define IP_UNBLOCK_SOURCE  37
 224 #define IP_BLOCK_SOURCE    38
 225 #define IP_ADD_SOURCE_MEMBERSHIP  39
 226 #define IP_DROP_SOURCE_MEMBERSHIP 40
 227 #define IP_MSFILTER        41
 228 #define IP_MULTICAST_ALL   49
 229 #define IP_UNICAST_IF      50
 230
 231 #define IP_RECVRETOPTS IP_RETOPTS
 232
 233 #define IP_PMTUDISC_DONT   0
 234 #define IP_PMTUDISC_WANT   1
 235 #define IP_PMTUDISC_DO     2
 236 #define IP_PMTUDISC_PROBE  3
 237 #define IP_PMTUDISC_INTERFACE 4
 238 #define IP_PMTUDISC_OMIT   5
 239
 240 #define IP_DEFAULT_MULTICAST_TTL        1
 241 #define IP_DEFAULT_MULTICAST_LOOP       1
 242 #define IP_MAX_MEMBERSHIPS              20
 243
 244 struct ip_opts {
 245         struct in_addr ip_dst;
 246         char ip_opts[40];
 247 };
 248
 249 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 250
 251 #define MCAST_JOIN_GROUP   42
 252 #define MCAST_BLOCK_SOURCE 43
 253 #define MCAST_UNBLOCK_SOURCE      44
 254 #define MCAST_LEAVE_GROUP  45
 255 #define MCAST_JOIN_SOURCE_GROUP   46
 256 #define MCAST_LEAVE_SOURCE_GROUP  47
 257 #define MCAST_MSFILTER     48
 258
 259 #define MCAST_EXCLUDE 0
 260 #define MCAST_INCLUDE 1
 261
 262 struct ip_mreq {
 263         struct in_addr imr_multiaddr;
 264         struct in_addr imr_interface;
 265 };
 266
 267 struct ip_mreqn {
 268         struct in_addr imr_multiaddr;
 269         struct in_addr imr_address;
 270         int imr_ifindex;
 271 };
 272
 273 struct ip_mreq_source {
 274         struct in_addr imr_multiaddr;
 275         struct in_addr imr_interface;
 276         struct in_addr imr_sourceaddr;
 277 };
 278
 279 struct ip_msfilter {
 280         struct in_addr imsf_multiaddr;
 281         struct in_addr imsf_interface;
 282         uint32_t imsf_fmode;
 283         uint32_t imsf_numsrc;
 284         struct in_addr imsf_slist[1];
 285 };
 286 #define IP_MSFILTER_SIZE(numsrc) \
 287         (sizeof(struct ip_msfilter) - sizeof(struct in_addr) \
 288         + (numsrc) * sizeof(struct in_addr))
 289
 290 struct group_req {
 291         uint32_t gr_interface;
 292         struct sockaddr_storage gr_group;
 293 };
 294
 295 struct group_source_req {
 296         uint32_t gsr_interface;
 297         struct sockaddr_storage gsr_group;
 298         struct sockaddr_storage gsr_source;
 299 };
 300
 301 struct group_filter {
 302         uint32_t gf_interface;
 303         struct sockaddr_storage gf_group;
 304         uint32_t gf_fmode;
 305         uint32_t gf_numsrc;
 306         struct sockaddr_storage gf_slist[1];
 307 };
 308 #define GROUP_FILTER_SIZE(numsrc) \
 309         (sizeof(struct group_filter) - sizeof(struct sockaddr_storage) \
 310         + (numsrc) * sizeof(struct sockaddr_storage))
 311
 312 struct in_pktinfo {
 313         int ipi_ifindex;
 314         struct in_addr ipi_spec_dst;
 315         struct in_addr ipi_addr;
 316 };
 317
 318 struct in6_pktinfo {
 319         struct in6_addr ipi6_addr;
 320         unsigned ipi6_ifindex;
 321 };
 322
 323 struct ip6_mtuinfo {
 324         struct sockaddr_in6 ip6m_addr;
 325         uint32_t ip6m_mtu;
 326 };
 327 #endif
 328
 329 #define IPV6_ADDRFORM           1
 330 #define IPV6_2292PKTINFO        2
 331 #define IPV6_2292HOPOPTS        3
 332 #define IPV6_2292DSTOPTS        4
 333 #define IPV6_2292RTHDR          5
 334 #define IPV6_2292PKTOPTIONS     6
 335 #define IPV6_CHECKSUM           7
 336 #define IPV6_2292HOPLIMIT       8
 337 #define IPV6_NEXTHOP            9
 338 #define IPV6_AUTHHDR            10
 339 #define IPV6_UNICAST_HOPS       16
 340 #define IPV6_MULTICAST_IF       17
 341 #define IPV6_MULTICAST_HOPS     18
 342 #define IPV6_MULTICAST_LOOP     19
 343 #define IPV6_JOIN_GROUP         20
 344 #define IPV6_LEAVE_GROUP        21
 345 #define IPV6_ROUTER_ALERT       22
 346 #define IPV6_MTU_DISCOVER       23
 347 #define IPV6_MTU                24
 348 #define IPV6_RECVERR            25
 349 #define IPV6_V6ONLY             26
 350 #define IPV6_JOIN_ANYCAST       27
 351 #define IPV6_LEAVE_ANYCAST      28
 352 #define IPV6_MULTICAST_ALL      29
 353 #define IPV6_IPSEC_POLICY       34
 354 #define IPV6_XFRM_POLICY        35
 355 #define IPV6_HDRINCL            36
 356
 357 #define IPV6_RECVPKTINFO        49
 358 #define IPV6_PKTINFO            50
 359 #define IPV6_RECVHOPLIMIT       51
 360 #define IPV6_HOPLIMIT           52
 361 #define IPV6_RECVHOPOPTS        53
 362 #define IPV6_HOPOPTS            54
 363 #define IPV6_RTHDRDSTOPTS       55
 364 #define IPV6_RECVRTHDR          56
 365 #define IPV6_RTHDR              57
 366 #define IPV6_RECVDSTOPTS        58
 367 #define IPV6_DSTOPTS            59
 368 #define IPV6_RECVPATHMTU        60
 369 #define IPV6_PATHMTU            61
 370 #define IPV6_DONTFRAG           62
 371 #define IPV6_RECVTCLASS         66
 372 #define IPV6_TCLASS             67
 373 #define IPV6_AUTOFLOWLABEL      70
 374 #define IPV6_ADDR_PREFERENCES   72
 375 #define IPV6_MINHOPCOUNT        73
 376 #define IPV6_ORIGDSTADDR        74
 377 #define IPV6_RECVORIGDSTADDR    IPV6_ORIGDSTADDR
 378 #define IPV6_TRANSPARENT        75
 379 #define IPV6_UNICAST_IF         76
 380 #define IPV6_RECVFRAGSIZE       77
 381 #define IPV6_FREEBIND           78
 382
 383 #define IPV6_ADD_MEMBERSHIP     IPV6_JOIN_GROUP
 384 #define IPV6_DROP_MEMBERSHIP    IPV6_LEAVE_GROUP
 385 #define IPV6_RXHOPOPTS          IPV6_HOPOPTS
 386 #define IPV6_RXDSTOPTS          IPV6_DSTOPTS
 387
 388 #define IPV6_PMTUDISC_DONT      0
 389 #define IPV6_PMTUDISC_WANT      1
 390 #define IPV6_PMTUDISC_DO        2
 391 #define IPV6_PMTUDISC_PROBE     3
 392 #define IPV6_PMTUDISC_INTERFACE 4
 393 #define IPV6_PMTUDISC_OMIT      5
 394
 395 #define IPV6_PREFER_SRC_TMP            0x0001
 396 #define IPV6_PREFER_SRC_PUBLIC         0x0002
 397 #define IPV6_PREFER_SRC_PUBTMP_DEFAULT 0x0100
 398 #define IPV6_PREFER_SRC_COA            0x0004
 399 #define IPV6_PREFER_SRC_HOME           0x0400
 400 #define IPV6_PREFER_SRC_CGA            0x0008
 401 #define IPV6_PREFER_SRC_NONCGA         0x0800
 402
 403 #define IPV6_RTHDR_LOOSE        0
 404 #define IPV6_RTHDR_STRICT       1
 405
 406 #define IPV6_RTHDR_TYPE_0       0
 407
 408 #define __UAPI_DEF_IN_ADDR      0
 409 #define __UAPI_DEF_IN_IPPROTO   0
 410 #define __UAPI_DEF_IN_PKTINFO   0
 411 #define __UAPI_DEF_IP_MREQ      0
 412 #define __UAPI_DEF_SOCKADDR_IN  0
 413 #define __UAPI_DEF_IN_CLASS     0
 414 #define __UAPI_DEF_IN6_ADDR     0
 415 #define __UAPI_DEF_IN6_ADDR_ALT 0
 416 #define __UAPI_DEF_SOCKADDR_IN6 0
 417 #define __UAPI_DEF_IPV6_MREQ    0
 418 #define __UAPI_DEF_IPPROTO_V6   0
 419 #define __UAPI_DEF_IPV6_OPTIONS 0
 420 #define __UAPI_DEF_IN6_PKTINFO  0
 421 #define __UAPI_DEF_IP6_MTUINFO  0
 422
 423 #ifdef __cplusplus
 424 }
 425 #endif
 426
 427 #endif