1#ifndef _NETINET_ICMP6_H 2#define _NETINET_ICMP6_H 3 4#ifdef __cplusplus 5extern "C" { 6#endif 7 8#include <stdint.h> 9#include <string.h> 10#include <sys/types.h> 11#include <netinet/in.h> 12 13#define ICMP6_FILTER 1 14 15#define ICMP6_FILTER_BLOCK 1 16#define ICMP6_FILTER_PASS 2 17#define ICMP6_FILTER_BLOCKOTHERS 3 18#define ICMP6_FILTER_PASSONLY 4 19 20struct icmp6_filter { 21 uint32_t icmp6_filt[8]; 22}; 23 24struct icmp6_hdr { 25 uint8_t icmp6_type; 26 uint8_t icmp6_code; 27 uint16_t icmp6_cksum; 28 union { 29 uint32_t icmp6_un_data32[1]; 30 uint16_t icmp6_un_data16[2]; 31 uint8_t icmp6_un_data8[4]; 32 } icmp6_dataun; 33}; 34 35#define icmp6_data32 icmp6_dataun.icmp6_un_data32 36#define icmp6_data16 icmp6_dataun.icmp6_un_data16 37#define icmp6_data8 icmp6_dataun.icmp6_un_data8 38#define icmp6_pptr icmp6_data32[0] 39#define icmp6_mtu icmp6_data32[0] 40#define icmp6_id icmp6_data16[0] 41#define icmp6_seq icmp6_data16[1] 42#define icmp6_maxdelay icmp6_data16[0] 43 44#define ICMP6_DST_UNREACH 1 45#define ICMP6_PACKET_TOO_BIG 2 46#define ICMP6_TIME_EXCEEDED 3 47#define ICMP6_PARAM_PROB 4 48 49#define ICMP6_INFOMSG_MASK 0x80 50 51#define ICMP6_ECHO_REQUEST 128 52#define ICMP6_ECHO_REPLY 129 53#define MLD_LISTENER_QUERY 130 54#define MLD_LISTENER_REPORT 131 55#define MLD_LISTENER_REDUCTION 132 56 57#define ICMP6_DST_UNREACH_NOROUTE 0 58#define ICMP6_DST_UNREACH_ADMIN 1 59#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 60#define ICMP6_DST_UNREACH_ADDR 3 61#define ICMP6_DST_UNREACH_NOPORT 4 62 63#define ICMP6_TIME_EXCEED_TRANSIT 0 64#define ICMP6_TIME_EXCEED_REASSEMBLY 1 65 66#define ICMP6_PARAMPROB_HEADER 0 67#define ICMP6_PARAMPROB_NEXTHEADER 1 68#define ICMP6_PARAMPROB_OPTION 2 69 70#define ICMP6_FILTER_WILLPASS(type, filterp) \ 71 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0) 72 73#define ICMP6_FILTER_WILLBLOCK(type, filterp) \ 74 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0) 75 76#define ICMP6_FILTER_SETPASS(type, filterp) \ 77 ((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31)))) 78 79#define ICMP6_FILTER_SETBLOCK(type, filterp) \ 80 ((((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31)))) 81 82#define ICMP6_FILTER_SETPASSALL(filterp) \ 83 memset (filterp, 0, sizeof (struct icmp6_filter)); 84 85#define ICMP6_FILTER_SETBLOCKALL(filterp) \ 86 memset (filterp, 0xFF, sizeof (struct icmp6_filter)); 87 88#define ND_ROUTER_SOLICIT 133 89#define ND_ROUTER_ADVERT 134 90#define ND_NEIGHBOR_SOLICIT 135 91#define ND_NEIGHBOR_ADVERT 136 92#define ND_REDIRECT 137 93 94struct nd_router_solicit { 95 struct icmp6_hdr nd_rs_hdr; 96}; 97 98#define nd_rs_type nd_rs_hdr.icmp6_type 99#define nd_rs_code nd_rs_hdr.icmp6_code 100#define nd_rs_cksum nd_rs_hdr.icmp6_cksum 101#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0] 102 103struct nd_router_advert { 104 struct icmp6_hdr nd_ra_hdr; 105 uint32_t nd_ra_reachable; 106 uint32_t nd_ra_retransmit; 107}; 108 109#define nd_ra_type nd_ra_hdr.icmp6_type 110#define nd_ra_code nd_ra_hdr.icmp6_code 111#define nd_ra_cksum nd_ra_hdr.icmp6_cksum 112#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0] 113#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1] 114#define ND_RA_FLAG_MANAGED 0x80 115#define ND_RA_FLAG_OTHER 0x40 116#define ND_RA_FLAG_HOME_AGENT 0x20 117#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1] 118 119struct nd_neighbor_solicit { 120 struct icmp6_hdr nd_ns_hdr; 121 struct in6_addr nd_ns_target; 122}; 123 124#define nd_ns_type nd_ns_hdr.icmp6_type 125#define nd_ns_code nd_ns_hdr.icmp6_code 126#define nd_ns_cksum nd_ns_hdr.icmp6_cksum 127#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0] 128 129struct nd_neighbor_advert { 130 struct icmp6_hdr nd_na_hdr; 131 struct in6_addr nd_na_target; 132}; 133 134#define nd_na_type nd_na_hdr.icmp6_type 135#define nd_na_code nd_na_hdr.icmp6_code 136#define nd_na_cksum nd_na_hdr.icmp6_cksum 137#define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0] 138#if __BYTE_ORDER == __BIG_ENDIAN 139#define ND_NA_FLAG_ROUTER 0x80000000 140#define ND_NA_FLAG_SOLICITED 0x40000000 141#define ND_NA_FLAG_OVERRIDE 0x20000000 142#else 143#define ND_NA_FLAG_ROUTER 0x00000080 144#define ND_NA_FLAG_SOLICITED 0x00000040 145#define ND_NA_FLAG_OVERRIDE 0x00000020 146#endif 147 148struct nd_redirect { 149 struct icmp6_hdr nd_rd_hdr; 150 struct in6_addr nd_rd_target; 151 struct in6_addr nd_rd_dst; 152}; 153 154#define nd_rd_type nd_rd_hdr.icmp6_type 155#define nd_rd_code nd_rd_hdr.icmp6_code 156#define nd_rd_cksum nd_rd_hdr.icmp6_cksum 157#define nd_rd_reserved nd_rd_hdr.icmp6_data32[0] 158 159struct nd_opt_hdr { 160 uint8_t nd_opt_type; 161 uint8_t nd_opt_len; 162}; 163 164#define ND_OPT_SOURCE_LINKADDR 1 165#define ND_OPT_TARGET_LINKADDR 2 166#define ND_OPT_PREFIX_INFORMATION 3 167#define ND_OPT_REDIRECTED_HEADER 4 168#define ND_OPT_MTU 5 169#define ND_OPT_RTR_ADV_INTERVAL 7 170#define ND_OPT_HOME_AGENT_INFO 8 171 172struct nd_opt_prefix_info { 173 uint8_t nd_opt_pi_type; 174 uint8_t nd_opt_pi_len; 175 uint8_t nd_opt_pi_prefix_len; 176 uint8_t nd_opt_pi_flags_reserved; 177 uint32_t nd_opt_pi_valid_time; 178 uint32_t nd_opt_pi_preferred_time; 179 uint32_t nd_opt_pi_reserved2; 180 struct in6_addr nd_opt_pi_prefix; 181}; 182 183#define ND_OPT_PI_FLAG_ONLINK 0x80 184#define ND_OPT_PI_FLAG_AUTO 0x40 185#define ND_OPT_PI_FLAG_RADDR 0x20 186 187struct nd_opt_rd_hdr { 188 uint8_t nd_opt_rh_type; 189 uint8_t nd_opt_rh_len; 190 uint16_t nd_opt_rh_reserved1; 191 uint32_t nd_opt_rh_reserved2; 192}; 193 194struct nd_opt_mtu { 195 uint8_t nd_opt_mtu_type; 196 uint8_t nd_opt_mtu_len; 197 uint16_t nd_opt_mtu_reserved; 198 uint32_t nd_opt_mtu_mtu; 199}; 200 201struct mld_hdr { 202 struct icmp6_hdr mld_icmp6_hdr; 203 struct in6_addr mld_addr; 204}; 205 206#define mld_type mld_icmp6_hdr.icmp6_type 207#define mld_code mld_icmp6_hdr.icmp6_code 208#define mld_cksum mld_icmp6_hdr.icmp6_cksum 209#define mld_maxdelay mld_icmp6_hdr.icmp6_data16[0] 210#define mld_reserved mld_icmp6_hdr.icmp6_data16[1] 211 212#define ICMP6_ROUTER_RENUMBERING 138 213 214struct icmp6_router_renum { 215 struct icmp6_hdr rr_hdr; 216 uint8_t rr_segnum; 217 uint8_t rr_flags; 218 uint16_t rr_maxdelay; 219 uint32_t rr_reserved; 220}; 221 222#define rr_type rr_hdr.icmp6_type 223#define rr_code rr_hdr.icmp6_code 224#define rr_cksum rr_hdr.icmp6_cksum 225#define rr_seqnum rr_hdr.icmp6_data32[0] 226 227#define ICMP6_RR_FLAGS_TEST 0x80 228#define ICMP6_RR_FLAGS_REQRESULT 0x40 229#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20 230#define ICMP6_RR_FLAGS_SPECSITE 0x10 231#define ICMP6_RR_FLAGS_PREVDONE 0x08 232 233struct rr_pco_match { 234 uint8_t rpm_code; 235 uint8_t rpm_len; 236 uint8_t rpm_ordinal; 237 uint8_t rpm_matchlen; 238 uint8_t rpm_minlen; 239 uint8_t rpm_maxlen; 240 uint16_t rpm_reserved; 241 struct in6_addr rpm_prefix; 242}; 243 244#define RPM_PCO_ADD 1 245#define RPM_PCO_CHANGE 2 246#define RPM_PCO_SETGLOBAL 3 247 248struct rr_pco_use { 249 uint8_t rpu_uselen; 250 uint8_t rpu_keeplen; 251 uint8_t rpu_ramask; 252 uint8_t rpu_raflags; 253 uint32_t rpu_vltime; 254 uint32_t rpu_pltime; 255 uint32_t rpu_flags; 256 struct in6_addr rpu_prefix; 257}; 258 259#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x20 260#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x10 261 262#if __BYTE_ORDER == __BIG_ENDIAN 263#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000 264#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000 265#else 266#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80 267#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40 268#endif 269 270struct rr_result { 271 uint16_t rrr_flags; 272 uint8_t rrr_ordinal; 273 uint8_t rrr_matchedlen; 274 uint32_t rrr_ifid; 275 struct in6_addr rrr_prefix; 276}; 277 278#if __BYTE_ORDER == __BIG_ENDIAN 279#define ICMP6_RR_RESULT_FLAGS_OOB 0x0002 280#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001 281#else 282#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200 283#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100 284#endif 285 286struct nd_opt_adv_interval { 287 uint8_t nd_opt_adv_interval_type; 288 uint8_t nd_opt_adv_interval_len; 289 uint16_t nd_opt_adv_interval_reserved; 290 uint32_t nd_opt_adv_interval_ival; 291}; 292 293struct nd_opt_home_agent_info { 294 uint8_t nd_opt_home_agent_info_type; 295 uint8_t nd_opt_home_agent_info_len; 296 uint16_t nd_opt_home_agent_info_reserved; 297 uint16_t nd_opt_home_agent_info_preference; 298 uint16_t nd_opt_home_agent_info_lifetime; 299}; 300 301#ifdef __cplusplus 302} 303#endif 304 305#endif 306