140 lines
4.1 KiB
C
140 lines
4.1 KiB
C
/*
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* Copyright 2006-2012 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _NETINET6_IN6_H_
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#define _NETINET6_IN6_H_
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#include <sys/types.h>
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#include <stdint.h>
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struct in6_addr {
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union {
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uint8_t u6_addr8[16];
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uint16_t u6_addr16[8];
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uint32_t u6_addr32[4];
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} in6_u;
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#define s6_addr in6_u.u6_addr8
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#define s6_addr16 in6_u.u6_addr16
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#define s6_addr32 in6_u.u6_addr32
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} _PACKED;
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/* IP Version 6 socket address. */
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struct sockaddr_in6 {
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uint8_t sin6_len;
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uint8_t sin6_family;
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uint16_t sin6_port;
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uint32_t sin6_flowinfo;
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struct in6_addr sin6_addr;
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uint32_t sin6_scope_id;
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};
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#define IN6ADDR_ANY_INIT {{{ \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
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#define IN6ADDR_LOOPBACK_INIT {{{ \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
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#define IN6ADDR_NODELOCAL_ALLNODES_INIT {{{ \
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0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
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#define IN6ADDR_LINKLOCAL_ALLNODES_INIT {{{ \
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0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
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#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT {{{ \
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0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
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extern const struct in6_addr in6addr_any;
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extern const struct in6_addr in6addr_loopback;
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struct ipv6_mreq {
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struct in6_addr ipv6mr_multiaddr;
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unsigned ipv6mr_interface;
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};
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struct in6_pktinfo {
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struct in6_addr ipi6_addr; /* src/dst IPv6 address */
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unsigned int ipi6_ifindex; /* send/recv interface index */
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};
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/* Non-standard helper defines (same as in FreeBSD, though) */
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#define __IPV6_ADDR_SCOPE_NODELOCAL 0x01
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#define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01
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#define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02
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#define __IPV6_ADDR_SCOPE_SITELOCAL 0x05
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#define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08
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#define __IPV6_ADDR_SCOPE_GLOBAL 0x0e
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#define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
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#define IN6_IS_ADDR_UNSPECIFIED(a) \
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(!memcmp((a)->s6_addr, in6addr_any.s6_addr, sizeof(struct in6_addr)))
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#define IN6_IS_ADDR_LOOPBACK(a) \
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(!memcmp((a)->s6_addr, in6addr_loopback.s6_addr, sizeof(struct in6_addr)))
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#define IN6_IS_ADDR_MULTICAST(a) \
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((a)->s6_addr[0] == 0xff)
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#define IN6_IS_ADDR_LINKLOCAL(a) \
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(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
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#define IN6_IS_ADDR_SITELOCAL(a) \
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(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
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#define IN6_IS_ADDR_V4MAPPED(a) \
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((a)->s6_addr[0] == 0x00 && (a)->s6_addr[1] == 0x00 \
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&& (a)->s6_addr[2] == 0x00 && (a)->s6_addr[3] == 0x00 \
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&& (a)->s6_addr[4] == 0x00 && (a)->s6_addr[5] == 0x00 \
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&& (a)->s6_addr[6] == 0x00 && (a)->s6_addr[7] == 0x00 \
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&& (a)->s6_addr[8] == 0x00 && (a)->s6_addr[9] == 0x00 \
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&& (a)->s6_addr[10] == 0xff && (a)->s6_addr[11] == 0xff)
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#define IN6_IS_ADDR_V4COMPAT(a) \
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((a)->s6_addr[0] == 0x00 && (a)->s6_addr[1] == 0x00 \
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&& (a)->s6_addr[2] == 0x00 && (a)->s6_addr[3] == 0x00 \
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&& (a)->s6_addr[4] == 0x00 && (a)->s6_addr[5] == 0x00 \
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&& (a)->s6_addr[6] == 0x00 && (a)->s6_addr[7] == 0x00 \
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&& (a)->s6_addr[8] == 0x00 && (a)->s6_addr[9] == 0x00 \
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&& (a)->s6_addr[10] == 0x00 && (a)->s6_addr[11] == 0x01)
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#define IN6_IS_ADDR_MC_NODELOCAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && __IPV6_ADDR_MC_SCOPE(a) \
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== __IPV6_ADDR_SCOPE_NODELOCAL)
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#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && __IPV6_ADDR_MC_SCOPE(a) \
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== __IPV6_ADDR_SCOPE_LINKLOCAL)
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#define IN6_IS_ADDR_MC_SITELOCAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && __IPV6_ADDR_MC_SCOPE(a) \
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== __IPV6_ADDR_SCOPE_SITELOCAL)
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#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && __IPV6_ADDR_MC_SCOPE(a) \
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== __IPV6_ADDR_SCOPE_ORGLOCAL)
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#define IN6_IS_ADDR_MC_GLOBAL(a) \
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(IN6_IS_ADDR_MULTICAST(a) && __IPV6_ADDR_MC_SCOPE(a) \
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== __IPV6_ADDR_SCOPE_GLOBAL)
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/* From RFC 2292 (Advanced Sockets API for IPv6) */
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#define IN6_ARE_ADDR_EQUAL(a, b) \
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(!memcmp((a)->s6_addr, (b)->s6_addr, sizeof(struct in6_addr)))
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/* maximal length of the string representation of an IPv6 address */
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#define INET6_ADDRSTRLEN 46
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#endif /* _NETINET6_IN6_H_ */
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