1 #ifndef _LINUX_ICMPV6_H 2 #define _LINUX_ICMPV6_H 3 4 #include <asm/byteorder.h> 5 6 struct icmp6hdr { 7 8 __u8 icmp6_type; 9 __u8 icmp6_code; 10 __sum16 icmp6_cksum; 11 12 13 union { 14 __be32 un_data32[1]; 15 __be16 un_data16[2]; 16 __u8 un_data8[4]; 17 18 struct icmpv6_echo { 19 __be16 identifier; 20 __be16 sequence; 21 } u_echo; 22 23 struct icmpv6_nd_advt { 24 #if defined(__LITTLE_ENDIAN_BITFIELD) 25 __u32 reserved:5, 26 override:1, 27 solicited:1, 28 router:1, 29 reserved2:24; 30 #elif defined(__BIG_ENDIAN_BITFIELD) 31 __u32 router:1, 32 solicited:1, 33 override:1, 34 reserved:29; 35 #else 36 #error "Please fix <asm/byteorder.h>" 37 #endif 38 } u_nd_advt; 39 40 struct icmpv6_nd_ra { 41 __u8 hop_limit; 42 #if defined(__LITTLE_ENDIAN_BITFIELD) 43 __u8 reserved:4, 44 router_pref:2, 45 other:1, 46 managed:1; 47 48 #elif defined(__BIG_ENDIAN_BITFIELD) 49 __u8 managed:1, 50 other:1, 51 router_pref:2, 52 reserved:4; 53 #else 54 #error "Please fix <asm/byteorder.h>" 55 #endif 56 __be16 rt_lifetime; 57 } u_nd_ra; 58 59 } icmp6_dataun; 60 61 #define icmp6_identifier icmp6_dataun.u_echo.identifier 62 #define icmp6_sequence icmp6_dataun.u_echo.sequence 63 #define icmp6_pointer icmp6_dataun.un_data32[0] 64 #define icmp6_mtu icmp6_dataun.un_data32[0] 65 #define icmp6_unused icmp6_dataun.un_data32[0] 66 #define icmp6_maxdelay icmp6_dataun.un_data16[0] 67 #define icmp6_router icmp6_dataun.u_nd_advt.router 68 #define icmp6_solicited icmp6_dataun.u_nd_advt.solicited 69 #define icmp6_override icmp6_dataun.u_nd_advt.override 70 #define icmp6_ndiscreserved icmp6_dataun.u_nd_advt.reserved 71 #define icmp6_hop_limit icmp6_dataun.u_nd_ra.hop_limit 72 #define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed 73 #define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other 74 #define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime 75 #define icmp6_router_pref icmp6_dataun.u_nd_ra.router_pref 76 }; 77 78 79 #define ICMPV6_ROUTER_PREF_LOW 0x3 80 #define ICMPV6_ROUTER_PREF_MEDIUM 0x0 81 #define ICMPV6_ROUTER_PREF_HIGH 0x1 82 #define ICMPV6_ROUTER_PREF_INVALID 0x2 83 84 #define ICMPV6_DEST_UNREACH 1 85 #define ICMPV6_PKT_TOOBIG 2 86 #define ICMPV6_TIME_EXCEED 3 87 #define ICMPV6_PARAMPROB 4 88 89 #define ICMPV6_INFOMSG_MASK 0x80 90 91 #define ICMPV6_ECHO_REQUEST 128 92 #define ICMPV6_ECHO_REPLY 129 93 #define ICMPV6_MGM_QUERY 130 94 #define ICMPV6_MGM_REPORT 131 95 #define ICMPV6_MGM_REDUCTION 132 96 97 #define ICMPV6_NI_QUERY 139 98 #define ICMPV6_NI_REPLY 140 99 100 #define ICMPV6_MLD2_REPORT 143 101 102 #define ICMPV6_DHAAD_REQUEST 144 103 #define ICMPV6_DHAAD_REPLY 145 104 #define ICMPV6_MOBILE_PREFIX_SOL 146 105 #define ICMPV6_MOBILE_PREFIX_ADV 147 106 107 /* 108 * Codes for Destination Unreachable 109 */ 110 #define ICMPV6_NOROUTE 0 111 #define ICMPV6_ADM_PROHIBITED 1 112 #define ICMPV6_NOT_NEIGHBOUR 2 113 #define ICMPV6_ADDR_UNREACH 3 114 #define ICMPV6_PORT_UNREACH 4 115 116 /* 117 * Codes for Time Exceeded 118 */ 119 #define ICMPV6_EXC_HOPLIMIT 0 120 #define ICMPV6_EXC_FRAGTIME 1 121 122 /* 123 * Codes for Parameter Problem 124 */ 125 #define ICMPV6_HDR_FIELD 0 126 #define ICMPV6_UNK_NEXTHDR 1 127 #define ICMPV6_UNK_OPTION 2 128 129 /* 130 * constants for (set|get)sockopt 131 */ 132 133 #define ICMPV6_FILTER 1 134 135 /* 136 * ICMPV6 filter 137 */ 138 139 #define ICMPV6_FILTER_BLOCK 1 140 #define ICMPV6_FILTER_PASS 2 141 #define ICMPV6_FILTER_BLOCKOTHERS 3 142 #define ICMPV6_FILTER_PASSONLY 4 143 144 struct icmp6_filter { 145 __u32 data[8]; 146 }; 147 148 /* 149 * Definitions for MLDv2 150 */ 151 #define MLD2_MODE_IS_INCLUDE 1 152 #define MLD2_MODE_IS_EXCLUDE 2 153 #define MLD2_CHANGE_TO_INCLUDE 3 154 #define MLD2_CHANGE_TO_EXCLUDE 4 155 #define MLD2_ALLOW_NEW_SOURCES 5 156 #define MLD2_BLOCK_OLD_SOURCES 6 157 158 #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } } 159 160 161 #endif 162
