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/* cygwin/in6.h
Copyright 2006 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
/* NOTE: This file is NOT for direct inclusion. Use netinet/in.h. */
#ifndef _CYGWIN_IN6_H
#define _CYGWIN_IN6_H
#define INET6_ADDRSTRLEN 46
#define IN6_ARE_ADDR_EQUAL(a, b) \
(((const uint32_t *)(a))[0] == ((const uint32_t *)(b))[0] \
&& ((const uint32_t *)(a))[1] == ((const uint32_t *)(b))[1] \
&& ((const uint32_t *)(a))[2] == ((const uint32_t *)(b))[2] \
&& ((const uint32_t *)(a))[3] == ((const uint32_t *)(b))[3])
#define IN6_IS_ADDR_UNSPECIFIED(addr) \
(((const uint32_t *)(addr))[0] == 0 \
&& ((const uint32_t *)(addr))[1] == 0 \
&& ((const uint32_t *)(addr))[2] == 0 \
&& ((const uint32_t *)(addr))[3] == 0)
#define IN6_IS_ADDR_LOOPBACK(addr) \
(((const uint32_t *)(addr))[0] == 0 \
&& ((const uint32_t *)(addr))[1] == 0 \
&& ((const uint32_t *)(addr))[2] == 0 \
&& ((const uint32_t *)(addr))[3] == htonl (1))
#define IN6_IS_ADDR_MULTICAST(addr) (((const uint8_t *) (addr))[0] == 0xff)
#define IN6_IS_ADDR_LINKLOCAL(addr) \
((((const uint16_t *)(addr))[0] & htons (0xffc0)) == htons (0xfe80))
#define IN6_IS_ADDR_SITELOCAL(addr) \
((((const uint16_t *)(addr))[0] & htons (0xffc0)) == htons (0xfec0))
#define IN6_IS_ADDR_V4MAPPED(addr) \
(((const uint32_t *)(addr))[0] == 0 \
&& ((const uint32_t *)(addr))[1] == 0 \
&& ((const uint32_t *)(addr))[2] == htonl (0xffff))
#define IN6_IS_ADDR_V4COMPAT(addr) \
(((const uint32_t *)(addr))[0] == 0 \
&& ((const uint32_t *)(addr))[1] == 0 \
&& ((const uint32_t *)(addr))[2] == 0 \
&& ntohl (((const uint32_t *)(addr))[3]) > 1)
#define IN6_IS_ADDR_MC_NODELOCAL(addr) \
(IN6_IS_ADDR_MULTICAST(addr) \
&& (((const uint8_t *)(addr))[1] & 0xf) == 0x1)
#define IN6_IS_ADDR_MC_LINKLOCAL(addr) \
(IN6_IS_ADDR_MULTICAST (addr) \
&& (((const uint8_t *)(addr))[1] & 0xf) == 0x2)
#define IN6_IS_ADDR_MC_SITELOCAL(addr) \
(IN6_IS_ADDR_MULTICAST(addr) \
&& (((const uint8_t *)(addr))[1] & 0xf) == 0x5)
#define IN6_IS_ADDR_MC_ORGLOCAL(addr) \
(IN6_IS_ADDR_MULTICAST(addr) \
&& (((const uint8_t *)(addr))[1] & 0xf) == 0x8)
#define IN6_IS_ADDR_MC_GLOBAL(addr) \
(IN6_IS_ADDR_MULTICAST(addr) \
&& (((const uint8_t *)(addr))[1] & 0xf) == 0xe)
struct in6_addr
{
union
{
uint8_t __s6_addr[16];
uint16_t __s6_addr16[8];
uint32_t __s6_addr32[4];
} __u6;
#define s6_addr __u6.__s6_addr
#define s6_addr16 __u6.__s6_addr16
#define s6_addr32 __u6.__s6_addr32
};
struct ipv6_mreq
{
struct in6_addr ipv6mr_multiaddr;
unsigned int ipv6mr_interface;
};
struct in6_pktinfo
{
struct in6_addr ipi6_addr;
unsigned int ipi6_ifindex;
};
#if defined (__INSIDE_CYGWIN__) && !defined (_CYGWIN_IN_H)
typedef uint16_t in_port_t;
#endif
struct sockaddr_in6
{
sa_family_t sin6_family; /* AF_INET6 */
in_port_t sin6_port; /* Port number. */
uint32_t sin6_flowinfo; /* Traffic class and flow inf. */
struct in6_addr sin6_addr; /* IPv6 address. */
uint32_t sin6_scope_id; /* Set of interfaces for a scope. */
};
#define IN6ADDR_ANY_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
#define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }
extern const struct in6_addr in6addr_any;
extern const struct in6_addr in6addr_loopback;
#endif /* _CYGWIN_IN6_H */
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