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 <linux/in6.h> 33 34 #define IN6_IS_ADDR_UNSPECIFIED(a) \ 35 ((*(const uint32_t*)(&(a)->s6_addr[0]) == 0) && \ 36 (*(const uint32_t*)(&(a)->s6_addr[4]) == 0) && \ 37 (*(const uint32_t*)(&(a)->s6_addr[8]) == 0) && \ 38 (*(const uint32_t*)(&(a)->s6_addr[12]) == 0)) 39 40 #define IN6_IS_ADDR_LOOPBACK(a) \ 41 ((*(const uint32_t*)(&(a)->s6_addr[0]) == 0) && \ 42 (*(const uint32_t*)(&(a)->s6_addr[4]) == 0) && \ 43 (*(const uint32_t*)(&(a)->s6_addr[8]) == 0) && \ 44 (*(const uint32_t*)(&(a)->s6_addr[12]) == ntohl(1))) 45 46 #define IN6_IS_ADDR_V4COMPAT(a) \ 47 ((*(const uint32_t*)(&(a)->s6_addr[0]) == 0) && \ 48 (*(const uint32_t*)(&(a)->s6_addr[4]) == 0) && \ 49 (*(const uint32_t*)(&(a)->s6_addr[8]) == 0) && \ 50 (*(const uint32_t*)(&(a)->s6_addr[12]) != 0) && \ 51 (*(const uint32_t*)(&(a)->s6_addr[12]) != ntohl(1))) 52 53 #define IN6_IS_ADDR_V4MAPPED(a) \ 54 ((*(const uint32_t*)(&(a)->s6_addr[0]) == 0) && \ 55 (*(const uint32_t*)(&(a)->s6_addr[4]) == 0) && \ 56 (*(const uint32_t*)(&(a)->s6_addr[8]) == ntohl(0x0000ffff))) 57 58 #define __bionic_s6_addr(a) ((const uint8_t*)(a)) 59 60 #define IN6_IS_ADDR_LINKLOCAL(a) \ 61 ((__bionic_s6_addr(a)[0] == 0xfe) && ((__bionic_s6_addr(a)[1] & 0xc0) == 0x80)) 62 63 #define IN6_IS_ADDR_SITELOCAL(a) \ 64 ((__bionic_s6_addr(a)[0] == 0xfe) && ((__bionic_s6_addr(a)[1] & 0xc0) == 0xc0)) 65 66 #define IN6_IS_ADDR_MULTICAST(a) (__bionic_s6_addr(a)[0] == 0xff) 67 68 #define IN6_IS_ADDR_ULA(a) ((__bionic_s6_addr(a)[0] & 0xfe) == 0xfc) 69 70 #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 71 #define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 72 #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 73 #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 74 #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 75 #define IPV6_ADDR_SCOPE_GLOBAL 0x0e 76 77 #define IPV6_ADDR_MC_SCOPE(a) (__bionic_s6_addr(a)[1] & 0x0f) 78 79 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 80 (IN6_IS_ADDR_MULTICAST(a) && (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) 81 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 82 (IN6_IS_ADDR_MULTICAST(a) && (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) 83 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 84 (IN6_IS_ADDR_MULTICAST(a) && (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) 85 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 86 (IN6_IS_ADDR_MULTICAST(a) && (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) 87 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 88 (IN6_IS_ADDR_MULTICAST(a) && (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) 89 90 #define IN6_ARE_ADDR_EQUAL(a, b) \ 91 (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) 92 93 #define INET6_ADDRSTRLEN 46 94 95 #define IPV6_JOIN_GROUP IPV6_ADD_MEMBERSHIP 96 #define IPV6_LEAVE_GROUP IPV6_DROP_MEMBERSHIP 97 98 #define IN6ADDR_ANY_INIT {{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}} 99 #define IN6ADDR_LOOPBACK_INIT {{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}}} 100 101 #define ipv6mr_interface ipv6mr_ifindex 102 103 #endif /* _NETINET_IN6_H */ 104