126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
/* cygwin/in6.h
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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/* NOTE: This file is NOT for direct inclusion. Use netinet/in.h. */
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#ifndef _CYGWIN_IN6_H
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#define _CYGWIN_IN6_H
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#define INET6_ADDRSTRLEN 46
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#define IN6_ARE_ADDR_EQUAL(a, b) \
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(((const uint32_t *)(a))[0] == ((const uint32_t *)(b))[0] \
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&& ((const uint32_t *)(a))[1] == ((const uint32_t *)(b))[1] \
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&& ((const uint32_t *)(a))[2] == ((const uint32_t *)(b))[2] \
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&& ((const uint32_t *)(a))[3] == ((const uint32_t *)(b))[3])
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#define IN6_IS_ADDR_UNSPECIFIED(addr) \
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(((const uint32_t *)(addr))[0] == 0 \
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&& ((const uint32_t *)(addr))[1] == 0 \
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&& ((const uint32_t *)(addr))[2] == 0 \
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&& ((const uint32_t *)(addr))[3] == 0)
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#define IN6_IS_ADDR_LOOPBACK(addr) \
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(((const uint32_t *)(addr))[0] == 0 \
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&& ((const uint32_t *)(addr))[1] == 0 \
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&& ((const uint32_t *)(addr))[2] == 0 \
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&& ((const uint32_t *)(addr))[3] == htonl (1))
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#define IN6_IS_ADDR_MULTICAST(addr) (((const uint8_t *) (addr))[0] == 0xff)
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#define IN6_IS_ADDR_LINKLOCAL(addr) \
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((((const uint16_t *)(addr))[0] & htons (0xffc0)) == htons (0xfe80))
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#define IN6_IS_ADDR_SITELOCAL(addr) \
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((((const uint16_t *)(addr))[0] & htons (0xffc0)) == htons (0xfec0))
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#define IN6_IS_ADDR_V4MAPPED(addr) \
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(((const uint32_t *)(addr))[0] == 0 \
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&& ((const uint32_t *)(addr))[1] == 0 \
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&& ((const uint32_t *)(addr))[2] == htonl (0xffff))
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#define IN6_IS_ADDR_V4COMPAT(addr) \
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(((const uint32_t *)(addr))[0] == 0 \
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&& ((const uint32_t *)(addr))[1] == 0 \
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&& ((const uint32_t *)(addr))[2] == 0 \
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&& ntohl (((const uint32_t *)(addr))[3]) > 1)
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#define IN6_IS_ADDR_MC_NODELOCAL(addr) \
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(IN6_IS_ADDR_MULTICAST(addr) \
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&& (((const uint8_t *)(addr))[1] & 0xf) == 0x1)
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#define IN6_IS_ADDR_MC_LINKLOCAL(addr) \
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(IN6_IS_ADDR_MULTICAST (addr) \
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&& (((const uint8_t *)(addr))[1] & 0xf) == 0x2)
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#define IN6_IS_ADDR_MC_SITELOCAL(addr) \
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(IN6_IS_ADDR_MULTICAST(addr) \
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&& (((const uint8_t *)(addr))[1] & 0xf) == 0x5)
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#define IN6_IS_ADDR_MC_ORGLOCAL(addr) \
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(IN6_IS_ADDR_MULTICAST(addr) \
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&& (((const uint8_t *)(addr))[1] & 0xf) == 0x8)
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#define IN6_IS_ADDR_MC_GLOBAL(addr) \
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(IN6_IS_ADDR_MULTICAST(addr) \
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&& (((const uint8_t *)(addr))[1] & 0xf) == 0xe)
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struct in6_addr
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{
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union
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{
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uint8_t __s6_addr[16];
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uint16_t __s6_addr16[8];
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uint32_t __s6_addr32[4];
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} __u6;
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#define s6_addr __u6.__s6_addr
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#define s6_addr16 __u6.__s6_addr16
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#define s6_addr32 __u6.__s6_addr32
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};
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struct ipv6_mreq
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{
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struct in6_addr ipv6mr_multiaddr;
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uint32_t ipv6mr_interface;
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};
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struct ipv6_rt_hdr {
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uint8_t nexthdr;
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uint8_t hdrlen;
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uint8_t type;
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uint8_t segments_left;
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/* type specific data, variable length */
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};
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struct in6_pktinfo
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{
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struct in6_addr ipi6_addr;
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uint32_t ipi6_ifindex;
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};
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#if defined (__INSIDE_CYGWIN__) && !defined (_CYGWIN_IN_H)
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typedef uint16_t in_port_t;
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#endif
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struct sockaddr_in6
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{
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sa_family_t sin6_family; /* AF_INET6 */
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in_port_t sin6_port; /* Port number. */
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uint32_t sin6_flowinfo; /* Traffic class and flow inf. */
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struct in6_addr sin6_addr; /* IPv6 address. */
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uint32_t sin6_scope_id; /* Set of interfaces for a scope. */
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};
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#define IN6ADDR_ANY_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
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#define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }
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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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#endif /* _CYGWIN_IN6_H */
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