diff options
Diffstat (limited to 'libc/include/netinet/in6.h')
| -rw-r--r-- | libc/include/netinet/in6.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/libc/include/netinet/in6.h b/libc/include/netinet/in6.h new file mode 100644 index 0000000..e645c48 --- /dev/null +++ b/libc/include/netinet/in6.h @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +#ifndef _NETINET_IN6_H +#define _NETINET_IN6_H + +#include <linux/in6.h> + +#define IN6_IS_ADDR_UNSPECIFIED(a) \ + ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) == 0)) + +#define IN6_IS_ADDR_LOOPBACK(a) \ + ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1))) + +#define IN6_IS_ADDR_V4COMPAT(a) \ + ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) != 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1))) + +#define IN6_IS_ADDR_V4MAPPED(a) \ + ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ + (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff))) + +#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_MULTICAST(a) \ + (((__const uint8_t *) (a))[0] == 0xff) + + +#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_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_ARE_ADDR_EQUAL(a, b) \ + (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) + +#define INET6_ADDRSTRLEN 46 + +#endif /* _NETINET_IN6_H */ |