haiku/headers/posix/netinet6/in6.h

122 lines
3.5 KiB
C

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