1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _NETINET_IN6_H 30 #define _NETINET_IN6_H 31 32 #include <sys/cdefs.h> 33 34 #include <linux/in6.h> 35 36 #define IN6_IS_ADDR_UNSPECIFIED(a) \ 37 ((((a)->s6_addr32[0]) == 0) && \ 38 (((a)->s6_addr32[1]) == 0) && \ 39 (((a)->s6_addr32[2]) == 0) && \ 40 (((a)->s6_addr32[3]) == 0)) 41 42 #define IN6_IS_ADDR_LOOPBACK(a) \ 43 ((((a)->s6_addr32[0]) == 0) && \ 44 (((a)->s6_addr32[1]) == 0) && \ 45 (((a)->s6_addr32[2]) == 0) && \ 46 (((a)->s6_addr32[3]) == ntohl(1))) 47 48 #define IN6_IS_ADDR_V4COMPAT(a) \ 49 ((((a)->s6_addr32[0]) == 0) && \ 50 (((a)->s6_addr32[1]) == 0) && \ 51 (((a)->s6_addr32[2]) == 0) && \ 52 (((a)->s6_addr32[3]) != 0) && (((a)->s6_addr32[3]) != ntohl(1))) 53 54 #define IN6_IS_ADDR_V4MAPPED(a) \ 55 ((((a)->s6_addr32[0]) == 0) && \ 56 (((a)->s6_addr32[1]) == 0) && \ 57 (((a)->s6_addr32[2]) == ntohl(0x0000ffff))) 58 59 #define __bionic_s6_addr(a) __BIONIC_CAST(reinterpret_cast, const uint8_t*, a) 60 61 #define IN6_IS_ADDR_LINKLOCAL(a) \ 62 ((__bionic_s6_addr(a)[0] == 0xfe) && ((__bionic_s6_addr(a)[1] & 0xc0) == 0x80)) 63 64 #define IN6_IS_ADDR_SITELOCAL(a) \ 65 ((__bionic_s6_addr(a)[0] == 0xfe) && ((__bionic_s6_addr(a)[1] & 0xc0) == 0xc0)) 66 67 #define IN6_IS_ADDR_MULTICAST(a) (__bionic_s6_addr(a)[0] == 0xff) 68 69 #define IN6_IS_ADDR_ULA(a) ((__bionic_s6_addr(a)[0] & 0xfe) == 0xfc) 70 71 #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 72 #define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 73 #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 74 #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 75 #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 76 #define IPV6_ADDR_SCOPE_GLOBAL 0x0e 77 78 #define IPV6_ADDR_MC_SCOPE(a) (__bionic_s6_addr(a)[1] & 0x0f) 79 80 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 81 (IN6_IS_ADDR_MULTICAST(a) && (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) 82 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 83 (IN6_IS_ADDR_MULTICAST(a) && (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) 84 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 85 (IN6_IS_ADDR_MULTICAST(a) && (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) 86 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 87 (IN6_IS_ADDR_MULTICAST(a) && (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) 88 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 89 (IN6_IS_ADDR_MULTICAST(a) && (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) 90 91 #define IN6_ARE_ADDR_EQUAL(a, b) \ 92 (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) 93 94 #define INET6_ADDRSTRLEN 46 95 96 #define IPV6_JOIN_GROUP IPV6_ADD_MEMBERSHIP 97 #define IPV6_LEAVE_GROUP IPV6_DROP_MEMBERSHIP 98 99 #define IN6ADDR_ANY_INIT {{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}} 100 #define IN6ADDR_LOOPBACK_INIT {{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}}} 101 102 #define ipv6mr_interface ipv6mr_ifindex 103 104 #endif /* _NETINET_IN6_H */ 105
