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/*
* 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 <sys/feature_tests.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#include <sys/socket_impl.h>
#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 <sys/stream.h>
#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 <sys/byteorder.h>
*/
#if !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5)
#include <sys/byteorder.h>
#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 <name>" and <name>_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:<V4ADDR>:<SUBNETID>::<HOSTID>, 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 <xti.h>. (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 <xti_inet.h>
*/
#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 <xti_inet.h>
*
* 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 */