/* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * Copyright (c) 1982, 1986 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that this notice is preserved and that due credit is given * to the University of California at Berkeley. The name of the University * may not be used to endorse or promote products derived from this * software without specific prior written permission. This software * is provided ``as is'' without express or implied warranty. */ /* * Constants and structures defined by the internet system, * according to following documents * * Internet ASSIGNED NUMBERS (RFC1700) and its successors: * http://www.iana.org/assignments/protocol-numbers * http://www.iana.org/assignments/port-numbers * Basic Socket Interface Extensions for IPv6 (RFC2133 and its successors) * */ #ifndef _NETINET_IN_H #define _NETINET_IN_H #include #ifdef __cplusplus extern "C" { #endif #include #if !defined(_XPG4_2) || defined(__EXTENSIONS__) #include #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ #ifndef _SOCKLEN_T #define _SOCKLEN_T /* * The socklen definitions are reproduced here from sys/socket.h so as to * not introduce that namespace into existing users of netinet/in.h. */ #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) typedef size_t socklen_t; #else typedef uint32_t socklen_t; #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ #if defined(_XPG4_2) || defined(_BOOT) typedef socklen_t *Psocklen_t; #else typedef void *Psocklen_t; #endif /* defined(_XPG4_2) || defined(_BOOT) */ #endif /* _SOCKLEN_T */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) #include #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ /* * Symbols such as htonl() are required to be exposed through this file, * per XNS Issue 5. This is achieved by inclusion of */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5) #include #endif #ifndef _IN_PORT_T #define _IN_PORT_T typedef uint16_t in_port_t; #endif /* * Note: IPv4 address data structures usage conventions. * The "in_addr_t" type below (required by Unix standards) * is NOT a typedef of "struct in_addr" and violates the usual * conventions where "struct " and _t are corresponding * typedefs. * To minimize confusion, kernel data structures/usage prefers use * of "ipaddr_t" as atomic uint32_t type and avoid using "in_addr_t" * The user level APIs continue to follow the historic popular * practice of using "struct in_addr". */ #ifndef _IN_ADDR_T #define _IN_ADDR_T typedef uint32_t in_addr_t; #endif #ifndef _IPADDR_T #define _IPADDR_T typedef uint32_t ipaddr_t; #endif #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) struct in6_addr { union { /* * Note: Static initalizers of "union" type assume * the constant on the RHS is the type of the first member * of union. * To make static initializers (and efficient usage) work, * the order of members exposed to user and kernel view of * this data structure is different. * User environment sees specified uint8_t type as first * member whereas kernel sees most efficient type as * first member. */ #ifdef _KERNEL uint32_t _S6_u32[4]; /* IPv6 address */ uint8_t _S6_u8[16]; /* IPv6 address */ #else uint8_t _S6_u8[16]; /* IPv6 address */ uint32_t _S6_u32[4]; /* IPv6 address */ #endif uint32_t __S6_align; /* Align on 32 bit boundary */ } _S6_un; }; #define s6_addr _S6_un._S6_u8 #ifdef _KERNEL #define s6_addr8 _S6_un._S6_u8 #define s6_addr32 _S6_un._S6_u32 #endif typedef struct in6_addr in6_addr_t; #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ #ifndef _SA_FAMILY_T #define _SA_FAMILY_T typedef uint16_t sa_family_t; #endif /* * Protocols * * Some of these constant names are copied for the DTrace IP provider in * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept * in sync. */ #define IPPROTO_IP 0 /* dummy for IP */ #define IPPROTO_HOPOPTS 0 /* Hop by hop header for IPv6 */ #define IPPROTO_ICMP 1 /* control message protocol */ #define IPPROTO_IGMP 2 /* group control protocol */ #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ #define IPPROTO_ENCAP 4 /* IP in IP encapsulation */ #define IPPROTO_TCP 6 /* tcp */ #define IPPROTO_EGP 8 /* exterior gateway protocol */ #define IPPROTO_PUP 12 /* pup */ #define IPPROTO_UDP 17 /* user datagram protocol */ #define IPPROTO_IDP 22 /* xns idp */ #define IPPROTO_IPV6 41 /* IPv6 encapsulated in IP */ #define IPPROTO_ROUTING 43 /* Routing header for IPv6 */ #define IPPROTO_FRAGMENT 44 /* Fragment header for IPv6 */ #define IPPROTO_RSVP 46 /* rsvp */ #define IPPROTO_ESP 50 /* IPsec Encap. Sec. Payload */ #define IPPROTO_AH 51 /* IPsec Authentication Hdr. */ #define IPPROTO_ICMPV6 58 /* ICMP for IPv6 */ #define IPPROTO_NONE 59 /* No next header for IPv6 */ #define IPPROTO_DSTOPTS 60 /* Destination options */ #define IPPROTO_HELLO 63 /* "hello" routing protocol */ #define IPPROTO_ND 77 /* UNOFFICIAL net disk proto */ #define IPPROTO_EON 80 /* ISO clnp */ #define IPPROTO_OSPF 89 /* OSPF */ #define IPPROTO_PIM 103 /* PIM routing protocol */ #define IPPROTO_SCTP 132 /* Stream Control */ /* Transmission Protocol */ #define IPPROTO_RAW 255 /* raw IP packet */ #define IPPROTO_MAX 256 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) #define PROTO_SDP 257 /* Sockets Direct Protocol */ #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ /* * Port/socket numbers: network standard functions * * Entries should exist here for each port number compiled into an ON * component, such as snoop. */ #define IPPORT_ECHO 7 #define IPPORT_DISCARD 9 #define IPPORT_SYSTAT 11 #define IPPORT_DAYTIME 13 #define IPPORT_NETSTAT 15 #define IPPORT_CHARGEN 19 #define IPPORT_FTP 21 #define IPPORT_TELNET 23 #define IPPORT_SMTP 25 #define IPPORT_TIMESERVER 37 #define IPPORT_NAMESERVER 42 #define IPPORT_WHOIS 43 #define IPPORT_DOMAIN 53 #define IPPORT_MDNS 5353 #define IPPORT_MTP 57 /* * Port/socket numbers: host specific functions */ #define IPPORT_BOOTPS 67 #define IPPORT_BOOTPC 68 #define IPPORT_TFTP 69 #define IPPORT_RJE 77 #define IPPORT_FINGER 79 #define IPPORT_HTTP 80 #define IPPORT_HTTP_ALT 8080 #define IPPORT_TTYLINK 87 #define IPPORT_SUPDUP 95 #define IPPORT_NTP 123 #define IPPORT_NETBIOS_NS 137 #define IPPORT_NETBIOS_DGM 138 #define IPPORT_NETBIOS_SSN 139 #define IPPORT_LDAP 389 #define IPPORT_SLP 427 #define IPPORT_MIP 434 #define IPPORT_SMB 445 /* a.k.a. microsoft-ds */ /* * Internet Key Exchange (IKE) ports */ #define IPPORT_IKE 500 #define IPPORT_IKE_NATT 4500 /* * UNIX TCP sockets */ #define IPPORT_EXECSERVER 512 #define IPPORT_LOGINSERVER 513 #define IPPORT_CMDSERVER 514 #define IPPORT_PRINTER 515 #define IPPORT_EFSSERVER 520 /* * UNIX UDP sockets */ #define IPPORT_BIFFUDP 512 #define IPPORT_WHOSERVER 513 #define IPPORT_SYSLOG 514 #define IPPORT_TALK 517 #define IPPORT_ROUTESERVER 520 #define IPPORT_RIPNG 521 /* * DHCPv6 UDP ports */ #define IPPORT_DHCPV6C 546 #define IPPORT_DHCPV6S 547 #define IPPORT_SOCKS 1080 /* * Ports < IPPORT_RESERVED are reserved for * privileged processes (e.g. root). * Ports > IPPORT_USERRESERVED are reserved * for servers, not necessarily privileged. */ #define IPPORT_RESERVED 1024 #define IPPORT_USERRESERVED 5000 /* * Link numbers */ #define IMPLINK_IP 155 #define IMPLINK_LOWEXPER 156 #define IMPLINK_HIGHEXPER 158 /* * IPv4 Internet address * This definition contains obsolete fields for compatibility * with SunOS 3.x and 4.2bsd. The presence of subnets renders * divisions into fixed fields misleading at best. New code * should use only the s_addr field. */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) #define _S_un_b S_un_b #define _S_un_w S_un_w #define _S_addr S_addr #define _S_un S_un #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ struct in_addr { union { struct { uint8_t s_b1, s_b2, s_b3, s_b4; } _S_un_b; struct { uint16_t s_w1, s_w2; } _S_un_w; #if !defined(_XPG4_2) || defined(__EXTENSIONS__) uint32_t _S_addr; #else in_addr_t _S_addr; #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ } _S_un; #define s_addr _S_un._S_addr /* should be used for all code */ #define s_host _S_un._S_un_b.s_b2 /* OBSOLETE: host on imp */ #define s_net _S_un._S_un_b.s_b1 /* OBSOLETE: network */ #define s_imp _S_un._S_un_w.s_w2 /* OBSOLETE: imp */ #define s_impno _S_un._S_un_b.s_b4 /* OBSOLETE: imp # */ #define s_lh _S_un._S_un_b.s_b3 /* OBSOLETE: logical host */ }; /* * Definitions of bits in internet address integers. * On subnets, the decomposition of addresses to host and net parts * is done according to subnet mask, not the masks here. * * Note that with the introduction of CIDR, IN_CLASSA, IN_CLASSB, * IN_CLASSC, IN_CLASSD and IN_CLASSE macros have become "de-facto * obsolete". IN_MULTICAST macro should be used to test if a address * is a multicast address. */ #define IN_CLASSA(i) (((i) & 0x80000000U) == 0) #define IN_CLASSA_NET 0xff000000U #define IN_CLASSA_NSHIFT 24 #define IN_CLASSA_HOST 0x00ffffffU #define IN_CLASSA_MAX 128 #define IN_CLASSB(i) (((i) & 0xc0000000U) == 0x80000000U) #define IN_CLASSB_NET 0xffff0000U #define IN_CLASSB_NSHIFT 16 #define IN_CLASSB_HOST 0x0000ffffU #define IN_CLASSB_MAX 65536 #define IN_CLASSC(i) (((i) & 0xe0000000U) == 0xc0000000U) #define IN_CLASSC_NET 0xffffff00U #define IN_CLASSC_NSHIFT 8 #define IN_CLASSC_HOST 0x000000ffU #define IN_CLASSD(i) (((i) & 0xf0000000U) == 0xe0000000U) #define IN_CLASSD_NET 0xf0000000U /* These aren't really */ #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ #define IN_CLASSD_HOST 0x0fffffffU /* routing needn't know */ #define IN_CLASSE(i) (((i) & 0xf0000000U) == 0xf0000000U) #define IN_CLASSE_NET 0xffffffffU #define IN_MULTICAST(i) IN_CLASSD(i) /* * We have removed CLASS E checks from the kernel * But we preserve these defines for userland in order * to avoid compile breakage of some 3rd party piece of software */ #ifndef _KERNEL #define IN_EXPERIMENTAL(i) (((i) & 0xe0000000U) == 0xe0000000U) #define IN_BADCLASS(i) (((i) & 0xf0000000U) == 0xf0000000U) #endif #define INADDR_ANY 0x00000000U #define INADDR_LOOPBACK 0x7F000001U #define INADDR_BROADCAST 0xffffffffU /* must be masked */ #define INADDR_NONE 0xffffffffU #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ #define INADDR_ALLRPTS_GROUP 0xe0000016U /* 224.0.0.22, IGMPv3 */ #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ /* Scoped IPv4 prefixes (in host byte-order) */ #define IN_AUTOCONF_NET 0xa9fe0000U /* 169.254/16 */ #define IN_AUTOCONF_MASK 0xffff0000U #define IN_PRIVATE8_NET 0x0a000000U /* 10/8 */ #define IN_PRIVATE8_MASK 0xff000000U #define IN_PRIVATE12_NET 0xac100000U /* 172.16/12 */ #define IN_PRIVATE12_MASK 0xfff00000U #define IN_PRIVATE16_NET 0xc0a80000U /* 192.168/16 */ #define IN_PRIVATE16_MASK 0xffff0000U /* RFC 3927 IPv4 link local address (i in host byte-order) */ #define IN_LINKLOCAL(i) (((i) & IN_AUTOCONF_MASK) == IN_AUTOCONF_NET) /* Well known 6to4 Relay Router Anycast address defined in RFC 3068 */ #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) #define INADDR_6TO4RRANYCAST 0xc0586301U /* 192.88.99.1 */ #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ #define IN_LOOPBACKNET 127 /* official! */ /* * Define a macro to stuff the loopback address into an Internet address */ #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) #define IN_SET_LOOPBACK_ADDR(a) \ { (a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \ (a)->sin_family = AF_INET; } #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ /* * IPv4 Socket address. */ struct sockaddr_in { sa_family_t sin_family; in_port_t sin_port; struct in_addr sin_addr; #if !defined(_XPG4_2) || defined(__EXTENSIONS__) char sin_zero[8]; #else unsigned char sin_zero[8]; #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ }; #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) /* * IPv6 socket address. */ struct sockaddr_in6 { sa_family_t sin6_family; in_port_t sin6_port; uint32_t sin6_flowinfo; struct in6_addr sin6_addr; uint32_t sin6_scope_id; /* Depends on scope of sin6_addr */ uint32_t __sin6_src_id; /* Impl. specific - UDP replies */ }; /* * Macros for accessing the traffic class and flow label fields from * sin6_flowinfo. * These are designed to be applied to a 32-bit value. */ #ifdef _BIG_ENDIAN /* masks */ #define IPV6_FLOWINFO_FLOWLABEL 0x000fffffU #define IPV6_FLOWINFO_TCLASS 0x0ff00000U #else /* _BIG_ENDIAN */ /* masks */ #define IPV6_FLOWINFO_FLOWLABEL 0xffff0f00U #define IPV6_FLOWINFO_TCLASS 0x0000f00fU #endif /* _BIG_ENDIAN */ /* * Note: Macros IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT are for * use as RHS of Static initializers of "struct in6_addr" (or in6_addr_t) * only. They need to be different for User/Kernel versions because union * component data structure is defined differently (it is identical at * binary representation level). * * const struct in6_addr IN6ADDR_ANY_INIT; * const struct in6_addr IN6ADDR_LOOPBACK_INIT; */ #ifdef _KERNEL #define IN6ADDR_ANY_INIT { 0, 0, 0, 0 } #ifdef _BIG_ENDIAN #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x00000001U } #else /* _BIG_ENDIAN */ #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x01000000U } #endif /* _BIG_ENDIAN */ #else #define IN6ADDR_ANY_INIT { 0, 0, 0, 0, \ 0, 0, 0, 0, \ 0, 0, 0, 0, \ 0, 0, 0, 0 } #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0, \ 0, 0, 0, 0, \ 0, 0, 0, 0, \ 0, 0, 0, 0x1U } #endif /* _KERNEL */ /* * RFC 2553 specifies the following macros. Their type is defined * as "int" in the RFC but they only have boolean significance * (zero or non-zero). For the purposes of our comment notation, * we assume a hypothetical type "bool" defined as follows to * write the prototypes assumed for macros in our comments better. * * typedef int bool; */ /* * IN6 macros used to test for special IPv6 addresses * (Mostly from spec) * * bool IN6_IS_ADDR_UNSPECIFIED (const struct in6_addr *); * bool IN6_IS_ADDR_LOOPBACK (const struct in6_addr *); * bool IN6_IS_ADDR_MULTICAST (const struct in6_addr *); * bool IN6_IS_ADDR_LINKLOCAL (const struct in6_addr *); * bool IN6_IS_ADDR_SITELOCAL (const struct in6_addr *); * bool IN6_IS_ADDR_V4MAPPED (const struct in6_addr *); * bool IN6_IS_ADDR_V4MAPPED_ANY(const struct in6_addr *); -- Not from RFC2553 * bool IN6_IS_ADDR_V4COMPAT (const struct in6_addr *); * bool IN6_IS_ADDR_MC_RESERVED (const struct in6_addr *); -- Not from RFC2553 * bool IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *); * bool IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *); * bool IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *); * bool IN6_IS_ADDR_MC_ORGLOCAL (const struct in6_addr *); * bool IN6_IS_ADDR_MC_GLOBAL (const struct in6_addr *); * bool IN6_IS_ADDR_6TO4 (const struct in6_addr *); -- Not from RFC2553 * bool IN6_ARE_6TO4_PREFIX_EQUAL(const struct in6_addr *, * const struct in6_addr *); -- Not from RFC2553 * bool IN6_IS_ADDR_LINKSCOPE (const struct in6addr *); -- Not from RFC2553 */ #define IN6_IS_ADDR_UNSPECIFIED(addr) \ (((addr)->_S6_un._S6_u32[3] == 0) && \ ((addr)->_S6_un._S6_u32[2] == 0) && \ ((addr)->_S6_un._S6_u32[1] == 0) && \ ((addr)->_S6_un._S6_u32[0] == 0)) #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_LOOPBACK(addr) \ (((addr)->_S6_un._S6_u32[3] == 0x00000001) && \ ((addr)->_S6_un._S6_u32[2] == 0) && \ ((addr)->_S6_un._S6_u32[1] == 0) && \ ((addr)->_S6_un._S6_u32[0] == 0)) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_LOOPBACK(addr) \ (((addr)->_S6_un._S6_u32[3] == 0x01000000) && \ ((addr)->_S6_un._S6_u32[2] == 0) && \ ((addr)->_S6_un._S6_u32[1] == 0) && \ ((addr)->_S6_un._S6_u32[0] == 0)) #endif /* _BIG_ENDIAN */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_MULTICAST(addr) \ (((addr)->_S6_un._S6_u32[0] & 0xff000000) == 0xff000000) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_MULTICAST(addr) \ (((addr)->_S6_un._S6_u32[0] & 0x000000ff) == 0x000000ff) #endif /* _BIG_ENDIAN */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_LINKLOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfe800000) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_LINKLOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x000080fe) #endif /* _BIG_ENDIAN */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_SITELOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfec00000) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_SITELOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x0000c0fe) #endif /* _BIG_ENDIAN */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_V4MAPPED(addr) \ (((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ ((addr)->_S6_un._S6_u32[1] == 0) && \ ((addr)->_S6_un._S6_u32[0] == 0)) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_V4MAPPED(addr) \ (((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ ((addr)->_S6_un._S6_u32[1] == 0) && \ ((addr)->_S6_un._S6_u32[0] == 0)) #endif /* _BIG_ENDIAN */ /* * IN6_IS_ADDR_V4MAPPED - A IPv4 mapped INADDR_ANY * Note: This macro is currently NOT defined in RFC2553 specification * and not a standard macro that portable applications should use. */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ (((addr)->_S6_un._S6_u32[3] == 0) && \ ((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ ((addr)->_S6_un._S6_u32[1] == 0) && \ ((addr)->_S6_un._S6_u32[0] == 0)) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ (((addr)->_S6_un._S6_u32[3] == 0) && \ ((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ ((addr)->_S6_un._S6_u32[1] == 0) && \ ((addr)->_S6_un._S6_u32[0] == 0)) #endif /* _BIG_ENDIAN */ /* Exclude loopback and unspecified address */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_V4COMPAT(addr) \ (((addr)->_S6_un._S6_u32[2] == 0) && \ ((addr)->_S6_un._S6_u32[1] == 0) && \ ((addr)->_S6_un._S6_u32[0] == 0) && \ !((addr)->_S6_un._S6_u32[3] == 0) && \ !((addr)->_S6_un._S6_u32[3] == 0x00000001)) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_V4COMPAT(addr) \ (((addr)->_S6_un._S6_u32[2] == 0) && \ ((addr)->_S6_un._S6_u32[1] == 0) && \ ((addr)->_S6_un._S6_u32[0] == 0) && \ !((addr)->_S6_un._S6_u32[3] == 0) && \ !((addr)->_S6_un._S6_u32[3] == 0x01000000)) #endif /* _BIG_ENDIAN */ /* * Note: * IN6_IS_ADDR_MC_RESERVED macro is currently NOT defined in RFC2553 * specification and not a standard macro that portable applications * should use. */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_MC_RESERVED(addr) \ (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff000000) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_MC_RESERVED(addr) \ (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000000ff) #endif /* _BIG_ENDIAN */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff010000) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000001ff) #endif /* _BIG_ENDIAN */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff020000) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000002ff) #endif /* _BIG_ENDIAN */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff050000) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000005ff) #endif /* _BIG_ENDIAN */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff080000) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000008ff) #endif /* _BIG_ENDIAN */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_MC_GLOBAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff0e0000) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_MC_GLOBAL(addr) \ (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x00000eff) #endif /* _BIG_ENDIAN */ /* * The IN6_IS_ADDR_MC_SOLICITEDNODE macro is not defined in any standard or * RFC, and shouldn't be used by portable applications. It is used to see * if an address is a solicited-node multicast address, which is prefixed * with ff02:0:0:0:0:1:ff00::/104. */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ (((addr)->_S6_un._S6_u32[0] == 0xff020000) && \ ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ ((addr)->_S6_un._S6_u32[2] == 0x00000001) && \ (((addr)->_S6_un._S6_u32[3] & 0xff000000) == 0xff000000)) #else #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ (((addr)->_S6_un._S6_u32[0] == 0x000002ff) && \ ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ ((addr)->_S6_un._S6_u32[2] == 0x01000000) && \ (((addr)->_S6_un._S6_u32[3] & 0x000000ff) == 0x000000ff)) #endif /* * Macros to a) test for 6to4 IPv6 address, and b) to test if two * 6to4 addresses have the same /48 prefix, and, hence, are from the * same 6to4 site. */ #ifdef _BIG_ENDIAN #define IN6_IS_ADDR_6TO4(addr) \ (((addr)->_S6_un._S6_u32[0] & 0xffff0000) == 0x20020000) #else /* _BIG_ENDIAN */ #define IN6_IS_ADDR_6TO4(addr) \ (((addr)->_S6_un._S6_u32[0] & 0x0000ffff) == 0x00000220) #endif /* _BIG_ENDIAN */ #define IN6_ARE_6TO4_PREFIX_EQUAL(addr1, addr2) \ (((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0]) && \ ((addr1)->_S6_un._S6_u8[4] == (addr2)->_S6_un._S6_u8[4]) && \ ((addr1)->_S6_un._S6_u8[5] == (addr2)->_S6_un._S6_u8[5])) /* * IN6_IS_ADDR_LINKSCOPE * Identifies an address as being either link-local, link-local multicast or * node-local multicast. All types of addresses are considered to be unique * within the scope of a given link. */ #define IN6_IS_ADDR_LINKSCOPE(addr) \ (IN6_IS_ADDR_LINKLOCAL(addr) || IN6_IS_ADDR_MC_LINKLOCAL(addr) || \ IN6_IS_ADDR_MC_NODELOCAL(addr)) /* * Useful utility macros for operations with IPv6 addresses * Note: These macros are NOT defined in the RFC2553 or any other * standard specification and are not standard macros that portable * applications should use. */ /* * IN6_V4MAPPED_TO_INADDR * IN6_V4MAPPED_TO_IPADDR * Assign a IPv4-Mapped IPv6 address to an IPv4 address. * Note: These macros are NOT defined in RFC2553 or any other standard * specification and are not macros that portable applications should * use. * * void IN6_V4MAPPED_TO_INADDR(const in6_addr_t *v6, struct in_addr *v4); * void IN6_V4MAPPED_TO_IPADDR(const in6_addr_t *v6, ipaddr_t v4); * */ #define IN6_V4MAPPED_TO_INADDR(v6, v4) \ ((v4)->s_addr = (v6)->_S6_un._S6_u32[3]) #define IN6_V4MAPPED_TO_IPADDR(v6, v4) \ ((v4) = (v6)->_S6_un._S6_u32[3]) /* * IN6_INADDR_TO_V4MAPPED * IN6_IPADDR_TO_V4MAPPED * Assign a IPv4 address address to an IPv6 address as a IPv4-mapped * address. * Note: These macros are NOT defined in RFC2553 or any other standard * specification and are not macros that portable applications should * use. * * void IN6_INADDR_TO_V4MAPPED(const struct in_addr *v4, in6_addr_t *v6); * void IN6_IPADDR_TO_V4MAPPED(const ipaddr_t v4, in6_addr_t *v6); * */ #ifdef _BIG_ENDIAN #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ (v6)->_S6_un._S6_u32[1] = 0, \ (v6)->_S6_un._S6_u32[0] = 0) #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ ((v6)->_S6_un._S6_u32[3] = (v4), \ (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ (v6)->_S6_un._S6_u32[1] = 0, \ (v6)->_S6_un._S6_u32[0] = 0) #else /* _BIG_ENDIAN */ #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ (v6)->_S6_un._S6_u32[1] = 0, \ (v6)->_S6_un._S6_u32[0] = 0) #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ ((v6)->_S6_un._S6_u32[3] = (v4), \ (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ (v6)->_S6_un._S6_u32[1] = 0, \ (v6)->_S6_un._S6_u32[0] = 0) #endif /* _BIG_ENDIAN */ /* * IN6_6TO4_TO_V4ADDR * Extract the embedded IPv4 address from the prefix to a 6to4 IPv6 * address. * Note: This macro is NOT defined in RFC2553 or any other standard * specification and is not a macro that portable applications should * use. * Note: we don't use the IPADDR form of the macro because we need * to do a bytewise copy; the V4ADDR in the 6to4 address is not * 32-bit aligned. * * void IN6_6TO4_TO_V4ADDR(const in6_addr_t *v6, struct in_addr *v4); * */ #define IN6_6TO4_TO_V4ADDR(v6, v4) \ ((v4)->_S_un._S_un_b.s_b1 = (v6)->_S6_un._S6_u8[2], \ (v4)->_S_un._S_un_b.s_b2 = (v6)->_S6_un._S6_u8[3], \ (v4)->_S_un._S_un_b.s_b3 = (v6)->_S6_un._S6_u8[4], \ (v4)->_S_un._S_un_b.s_b4 = (v6)->_S6_un._S6_u8[5]) /* * IN6_V4ADDR_TO_6TO4 * Given an IPv4 address and an IPv6 address for output, a 6to4 address * will be created from the IPv4 Address. * Note: This method for creating 6to4 addresses is not standardized * outside of Solaris. The newly created 6to4 address will be of the form * 2002::::, where SUBNETID will equal 0 and * HOSTID will equal 1. * * void IN6_V4ADDR_TO_6TO4(const struct in_addr *v4, in6_addr_t *v6) * */ #ifdef _BIG_ENDIAN #define IN6_V4ADDR_TO_6TO4(v4, v6) \ ((v6)->_S6_un._S6_u8[0] = 0x20, \ (v6)->_S6_un._S6_u8[1] = 0x02, \ (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ (v6)->_S6_un._S6_u8[6] = 0, \ (v6)->_S6_un._S6_u8[7] = 0, \ (v6)->_S6_un._S6_u32[2] = 0, \ (v6)->_S6_un._S6_u32[3] = 0x00000001U) #else #define IN6_V4ADDR_TO_6TO4(v4, v6) \ ((v6)->_S6_un._S6_u8[0] = 0x20, \ (v6)->_S6_un._S6_u8[1] = 0x02, \ (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ (v6)->_S6_un._S6_u8[6] = 0, \ (v6)->_S6_un._S6_u8[7] = 0, \ (v6)->_S6_un._S6_u32[2] = 0, \ (v6)->_S6_un._S6_u32[3] = 0x01000000U) #endif /* _BIG_ENDIAN */ /* * IN6_ARE_ADDR_EQUAL (defined in RFC2292) * Compares if IPv6 addresses are equal. * Note: Compares in order of high likelyhood of a miss so we minimize * compares. (Current heuristic order, compare in reverse order of * uint32_t units) * * bool IN6_ARE_ADDR_EQUAL(const struct in6_addr *, * const struct in6_addr *); */ #define IN6_ARE_ADDR_EQUAL(addr1, addr2) \ (((addr1)->_S6_un._S6_u32[3] == (addr2)->_S6_un._S6_u32[3]) && \ ((addr1)->_S6_un._S6_u32[2] == (addr2)->_S6_un._S6_u32[2]) && \ ((addr1)->_S6_un._S6_u32[1] == (addr2)->_S6_un._S6_u32[1]) && \ ((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0])) #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ /* * Options for use with [gs]etsockopt at the IP level. * * Note: Some of the IP_ namespace has conflict with and * and is exposed through . (It also requires exposing * options not implemented). The options with potential * for conflicts use #ifndef guards. */ #ifndef IP_OPTIONS #define IP_OPTIONS 1 /* set/get IP per-packet options */ #endif #define IP_HDRINCL 2 /* int; header is included with data (raw) */ #ifndef IP_TOS #define IP_TOS 3 /* int; IP type of service and precedence */ #endif #ifndef IP_TTL #define IP_TTL 4 /* int; IP time to live */ #endif #define IP_RECVOPTS 0x5 /* int; receive all IP options w/datagram */ #define IP_RECVRETOPTS 0x6 /* int; receive IP options for response */ #define IP_RECVDSTADDR 0x7 /* int; receive IP dst addr w/datagram */ #define IP_RETOPTS 0x8 /* ip_opts; set/get IP per-packet options */ #define IP_RECVIF 0x9 /* int; receive the inbound interface index */ #define IP_RECVSLLA 0xa /* sockaddr_dl; get source link layer address */ #define IP_RECVTTL 0xb /* uint8_t; get TTL for inbound packet */ #define IP_MULTICAST_IF 0x10 /* set/get IP multicast interface */ #define IP_MULTICAST_TTL 0x11 /* set/get IP multicast timetolive */ #define IP_MULTICAST_LOOP 0x12 /* set/get IP multicast loopback */ #define IP_ADD_MEMBERSHIP 0x13 /* add an IP group membership */ #define IP_DROP_MEMBERSHIP 0x14 /* drop an IP group membership */ #define IP_BLOCK_SOURCE 0x15 /* block mcast pkts from source */ #define IP_UNBLOCK_SOURCE 0x16 /* unblock mcast pkts from source */ #define IP_ADD_SOURCE_MEMBERSHIP 0x17 /* add mcast group/source pair */ #define IP_DROP_SOURCE_MEMBERSHIP 0x18 /* drop mcast group/source pair */ #define IP_NEXTHOP 0x19 /* send directly to next hop */ /* * IP_PKTINFO and IP_RECVPKTINFO have same value. Size of argument passed in * is used to differentiate b/w the two. */ #define IP_PKTINFO 0x1a /* specify src address and/or index */ #define IP_RECVPKTINFO 0x1a /* recv dest/matched addr and index */ #define IP_DONTFRAG 0x1b /* don't fragment packets */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) /* * Different preferences that can be requested from IPSEC protocols. */ #define IP_SEC_OPT 0x22 /* Used to set IPSEC options */ #define IPSEC_PREF_NEVER 0x01 #define IPSEC_PREF_REQUIRED 0x02 #define IPSEC_PREF_UNIQUE 0x04 /* * This can be used with the setsockopt() call to set per socket security * options. When the application uses per-socket API, we will reflect * the request on both outbound and inbound packets. */ typedef struct ipsec_req { uint_t ipsr_ah_req; /* AH request */ uint_t ipsr_esp_req; /* ESP request */ uint_t ipsr_self_encap_req; /* Self-Encap request */ uint8_t ipsr_auth_alg; /* Auth algs for AH */ uint8_t ipsr_esp_alg; /* Encr algs for ESP */ uint8_t ipsr_esp_auth_alg; /* Auth algs for ESP */ } ipsec_req_t; /* * MCAST_* options are protocol-independent. The actual definitions * are with the v6 options below; this comment is here to note the * namespace usage. * * #define MCAST_JOIN_GROUP 0x29 * #define MCAST_LEAVE_GROUP 0x2a * #define MCAST_BLOCK_SOURCE 0x2b * #define MCAST_UNBLOCK_SOURCE 0x2c * #define MCAST_JOIN_SOURCE_GROUP 0x2d * #define MCAST_LEAVE_SOURCE_GROUP 0x2e */ #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ /* * SunOS private (potentially not portable) IP_ option names */ #define IP_BOUND_IF 0x41 /* bind socket to an ifindex */ #define IP_UNSPEC_SRC 0x42 /* use unspecified source address */ #define IP_BROADCAST_TTL 0x43 /* use specific TTL for broadcast */ /* can be reused 0x44 */ #define IP_DHCPINIT_IF 0x45 /* accept all unicast DHCP traffic */ /* * Option values and names (when !_XPG5) shared with */ #ifndef IP_REUSEADDR #define IP_REUSEADDR 0x104 #endif #ifndef IP_DONTROUTE #define IP_DONTROUTE 0x105 #endif #ifndef IP_BROADCAST #define IP_BROADCAST 0x106 #endif /* * The following option values are reserved by * * T_IP_OPTIONS 0x107 - IP per-packet options * T_IP_TOS 0x108 - IP per packet type of service */ /* * Default value constants for multicast attributes controlled by * IP*_MULTICAST_LOOP and IP*_MULTICAST_{TTL,HOPS} options. */ #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) /* * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. */ struct ip_mreq { struct in_addr imr_multiaddr; /* IP multicast address of group */ struct in_addr imr_interface; /* local IP address of interface */ }; /* * Argument structure for IP_BLOCK_SOURCE, IP_UNBLOCK_SOURCE, * IP_ADD_SOURCE_MEMBERSHIP, and IP_DROP_SOURCE_MEMBERSHIP. */ struct ip_mreq_source { struct in_addr imr_multiaddr; /* IP address of group */ struct in_addr imr_sourceaddr; /* IP address of source */ struct in_addr imr_interface; /* IP address of interface */ }; /* * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP on * IPv6 addresses. */ struct ipv6_mreq { struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */ unsigned int ipv6mr_interface; /* interface index */ }; /* * Use #pragma pack() construct to force 32-bit alignment on amd64. * This is needed to keep the structure size and offsets consistent * between a 32-bit app and the 64-bit amd64 kernel in structures * where 64-bit alignment would create gaps (in this case, structures * which have a uint32_t followed by a struct sockaddr_storage). */ #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 #pragma pack(4) #endif /* * Argument structure for MCAST_JOIN_GROUP and MCAST_LEAVE_GROUP. */ struct group_req { uint32_t gr_interface; /* interface index */ struct sockaddr_storage gr_group; /* group address */ }; /* * Argument structure for MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, * MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP. */ struct group_source_req { uint32_t gsr_interface; /* interface index */ struct sockaddr_storage gsr_group; /* group address */ struct sockaddr_storage gsr_source; /* source address */ }; /* * Argument for SIOC[GS]MSFILTER ioctls */ struct group_filter { uint32_t gf_interface; /* interface index */ struct sockaddr_storage gf_group; /* multicast address */ uint32_t gf_fmode; /* filter mode */ uint32_t gf_numsrc; /* number of sources */ struct sockaddr_storage gf_slist[1]; /* source address */ }; #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 #pragma pack() #endif #define GROUP_FILTER_SIZE(numsrc) \ (sizeof (struct group_filter) - sizeof (struct sockaddr_storage) \ + (numsrc) * sizeof (struct sockaddr_storage)) /* * Argument for SIOC[GS]IPMSFILTER ioctls (IPv4-specific) */ struct ip_msfilter { struct in_addr imsf_multiaddr; /* IP multicast address of group */ struct in_addr imsf_interface; /* local IP address of interface */ uint32_t imsf_fmode; /* filter mode */ uint32_t imsf_numsrc; /* number of sources in src_list */ struct in_addr imsf_slist[1]; /* start of source list */ }; #define IP_MSFILTER_SIZE(numsrc) \ (sizeof (struct ip_msfilter) - sizeof (struct in_addr) \ + (numsrc) * sizeof (struct in_addr)) /* * Multicast source filter manipulation functions in libsocket; * defined in RFC 3678. */ int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t, uint_t, struct sockaddr_storage *); int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t *, uint_t *, struct sockaddr_storage *); int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, uint32_t, struct in_addr *); int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, uint32_t *, struct in_addr *); /* * Definitions needed for [gs]etsourcefilter(), [gs]etipv4sourcefilter() */ #define MCAST_INCLUDE 1 #define MCAST_EXCLUDE 2 /* * Argument struct for IP_PKTINFO option */ typedef struct in_pktinfo { unsigned int ipi_ifindex; /* send/recv interface index */ struct in_addr ipi_spec_dst; /* matched source address */ struct in_addr ipi_addr; /* src/dst address in IP hdr */ } in_pktinfo_t; /* * Argument struct for IPV6_PKTINFO option */ struct in6_pktinfo { struct in6_addr ipi6_addr; /* src/dst IPv6 address */ unsigned int ipi6_ifindex; /* send/recv interface index */ }; /* * Argument struct for IPV6_MTUINFO option */ struct ip6_mtuinfo { struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ uint32_t ip6m_mtu; /* path MTU in host byte order */ }; /* * IPv6 routing header types */ #define IPV6_RTHDR_TYPE_0 0 extern socklen_t inet6_rth_space(int type, int segments); extern void *inet6_rth_init(void *bp, socklen_t bp_len, int type, int segments); extern int inet6_rth_add(void *bp, const struct in6_addr *addr); extern int inet6_rth_reverse(const void *in, void *out); extern int inet6_rth_segments(const void *bp); extern struct in6_addr *inet6_rth_getaddr(const void *bp, int index); extern int inet6_opt_init(void *extbuf, socklen_t extlen); extern int inet6_opt_append(void *extbuf, socklen_t extlen, int offset, uint8_t type, socklen_t len, uint_t align, void **databufp); extern int inet6_opt_finish(void *extbuf, socklen_t extlen, int offset); extern int inet6_opt_set_val(void *databuf, int offset, void *val, socklen_t vallen); extern int inet6_opt_next(void *extbuf, socklen_t extlen, int offset, uint8_t *typep, socklen_t *lenp, void **databufp); extern int inet6_opt_find(void *extbufp, socklen_t extlen, int offset, uint8_t type, socklen_t *lenp, void **databufp); extern int inet6_opt_get_val(void *databuf, int offset, void *val, socklen_t vallen); #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ /* * Argument structure for IP_ADD_PROXY_ADDR. * Note that this is an unstable, experimental interface. It may change * later. Don't use it unless you know what it is. */ typedef struct { struct in_addr in_prefix_addr; unsigned int in_prefix_len; } in_prefix_t; #if !defined(_XPG4_2) || defined(__EXTENSIONS__) /* * IPv6 options */ #define IPV6_UNICAST_HOPS 0x5 /* hop limit value for unicast */ /* packets. */ /* argument type: uint_t */ #define IPV6_MULTICAST_IF 0x6 /* outgoing interface for */ /* multicast packets. */ /* argument type: struct in6_addr */ #define IPV6_MULTICAST_HOPS 0x7 /* hop limit value to use for */ /* multicast packets. */ /* argument type: uint_t */ #define IPV6_MULTICAST_LOOP 0x8 /* enable/disable delivery of */ /* multicast packets on same socket. */ /* argument type: uint_t */ #define IPV6_JOIN_GROUP 0x9 /* join an IPv6 multicast group. */ /* argument type: struct ipv6_mreq */ #define IPV6_LEAVE_GROUP 0xa /* leave an IPv6 multicast group */ /* argument type: struct ipv6_mreq */ /* * IPV6_ADD_MEMBERSHIP and IPV6_DROP_MEMBERSHIP are being kept * for backward compatibility. They have the same meaning as IPV6_JOIN_GROUP * and IPV6_LEAVE_GROUP respectively. */ #define IPV6_ADD_MEMBERSHIP 0x9 /* join an IPv6 multicast group. */ /* argument type: struct ipv6_mreq */ #define IPV6_DROP_MEMBERSHIP 0xa /* leave an IPv6 multicast group */ /* argument type: struct ipv6_mreq */ #define IPV6_PKTINFO 0xb /* addr plus interface index */ /* arg type: "struct in6_pktingo" - */ #define IPV6_HOPLIMIT 0xc /* hoplimit for datagram */ #define IPV6_NEXTHOP 0xd /* next hop address */ #define IPV6_HOPOPTS 0xe /* hop by hop options */ #define IPV6_DSTOPTS 0xf /* destination options - after */ /* the routing header */ #define IPV6_RTHDR 0x10 /* routing header */ #define IPV6_RTHDRDSTOPTS 0x11 /* destination options - before */ /* the routing header */ #define IPV6_RECVPKTINFO 0x12 /* enable/disable IPV6_PKTINFO */ #define IPV6_RECVHOPLIMIT 0x13 /* enable/disable IPV6_HOPLIMIT */ #define IPV6_RECVHOPOPTS 0x14 /* enable/disable IPV6_HOPOPTS */ /* * This options exists for backwards compatability and should no longer be * used. Use IPV6_RECVDSTOPTS instead. */ #define _OLD_IPV6_RECVDSTOPTS 0x15 #define IPV6_RECVRTHDR 0x16 /* enable/disable IPV6_RTHDR */ /* * enable/disable IPV6_RTHDRDSTOPTS. Now obsolete. IPV6_RECVDSTOPTS enables * the receipt of both headers. */ #define IPV6_RECVRTHDRDSTOPTS 0x17 #define IPV6_CHECKSUM 0x18 /* Control checksum on raw sockets */ #define IPV6_RECVTCLASS 0x19 /* enable/disable IPV6_CLASS */ #define IPV6_USE_MIN_MTU 0x20 /* send packets with minimum MTU */ #define IPV6_DONTFRAG 0x21 /* don't fragment packets */ #define IPV6_SEC_OPT 0x22 /* Used to set IPSEC options */ #define IPV6_SRC_PREFERENCES 0x23 /* Control socket's src addr select */ #define IPV6_RECVPATHMTU 0x24 /* receive PMTU info */ #define IPV6_PATHMTU 0x25 /* get the PMTU */ #define IPV6_TCLASS 0x26 /* traffic class */ #define IPV6_V6ONLY 0x27 /* v6 only socket option */ /* * enable/disable receipt of both both IPV6_DSTOPTS headers. */ #define IPV6_RECVDSTOPTS 0x28 /* * protocol-independent multicast membership options. */ #define MCAST_JOIN_GROUP 0x29 /* join group for all sources */ #define MCAST_LEAVE_GROUP 0x2a /* leave group */ #define MCAST_BLOCK_SOURCE 0x2b /* block specified source */ #define MCAST_UNBLOCK_SOURCE 0x2c /* unblock specified source */ #define MCAST_JOIN_SOURCE_GROUP 0x2d /* join group for specified source */ #define MCAST_LEAVE_SOURCE_GROUP 0x2e /* leave source/group pair */ /* 32Bit field for IPV6_SRC_PREFERENCES */ #define IPV6_PREFER_SRC_HOME 0x00000001 #define IPV6_PREFER_SRC_COA 0x00000002 #define IPV6_PREFER_SRC_PUBLIC 0x00000004 #define IPV6_PREFER_SRC_TMP 0x00000008 #define IPV6_PREFER_SRC_NONCGA 0x00000010 #define IPV6_PREFER_SRC_CGA 0x00000020 #define IPV6_PREFER_SRC_MIPMASK (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA) #define IPV6_PREFER_SRC_MIPDEFAULT IPV6_PREFER_SRC_HOME #define IPV6_PREFER_SRC_TMPMASK (IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_TMP) #define IPV6_PREFER_SRC_TMPDEFAULT IPV6_PREFER_SRC_PUBLIC #define IPV6_PREFER_SRC_CGAMASK (IPV6_PREFER_SRC_NONCGA | IPV6_PREFER_SRC_CGA) #define IPV6_PREFER_SRC_CGADEFAULT IPV6_PREFER_SRC_NONCGA #define IPV6_PREFER_SRC_MASK (IPV6_PREFER_SRC_MIPMASK |\ IPV6_PREFER_SRC_TMPMASK | IPV6_PREFER_SRC_CGAMASK) #define IPV6_PREFER_SRC_DEFAULT (IPV6_PREFER_SRC_MIPDEFAULT |\ IPV6_PREFER_SRC_TMPDEFAULT | IPV6_PREFER_SRC_CGADEFAULT) /* * SunOS private (potentially not portable) IPV6_ option names */ #define IPV6_BOUND_IF 0x41 /* bind to an ifindex */ #define IPV6_UNSPEC_SRC 0x42 /* source of packets set to */ /* unspecified (all zeros) */ /* * Miscellaneous IPv6 constants. */ #define INET_ADDRSTRLEN 16 /* max len IPv4 addr in ascii dotted */ /* decimal notation. */ #define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */ /* standard colon-hex notation. */ #define IPV6_PAD1_OPT 0 /* pad byte in IPv6 extension hdrs */ #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ /* * Extern declarations for pre-defined global const variables */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) #ifndef _KERNEL #ifdef __STDC__ extern const struct in6_addr in6addr_any; extern const struct in6_addr in6addr_loopback; #else extern struct in6_addr in6addr_any; extern struct in6_addr in6addr_loopback; #endif #endif #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ #ifdef __cplusplus } #endif #endif /* _NETINET_IN_H */