1 /** 2 * Copyright (C) 2012-2013 Steven Barth <steven@midlink.org> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License v2 as published by 6 * the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 */ 14 15 #pragma once 16 #include <stdint.h> 17 #include <netinet/in.h> 18 #include <netinet/icmp6.h> 19 20 struct icmpv6_opt { 21 uint8_t type; 22 uint8_t len; 23 uint8_t data[6]; 24 }; 25 26 27 #define icmpv6_for_each_option(opt, start, end)\ 28 for (opt = (struct icmpv6_opt*)(start);\ 29 (void*)(opt + 1) <= (void*)(end) && opt->len > 0 &&\ 30 (void*)(opt + opt->len) <= (void*)(end); opt += opt->len) 31 32 33 #define MaxInitialRtrAdvInterval 16 34 #define MaxInitialRtAdvs 3 35 #define MaxRtrAdvInterval 1800 36 #define MinRtrAdvInterval 3 37 38 #define ND_RA_FLAG_PROXY 0x4 39 #define ND_RA_PREF_HIGH (1 << 3) 40 #define ND_RA_PREF_LOW (3 << 3) 41
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