libc-top-half/musl/include/netinet/icmp6.h

   1 #ifndef _NETINET_ICMP6_H
   2 #define _NETINET_ICMP6_H
   3
   4 #ifdef __cplusplus
   5 extern "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
  20 struct icmp6_filter {
  21         uint32_t icmp6_filt[8];
  22 };
  23
  24 struct 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
  94 struct 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
 103 struct 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
 119 struct 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
 129 struct 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
 148 struct 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
 159 struct 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
 172 struct 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
 187 struct 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
 194 struct 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
 201 struct 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
 214 struct 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
 233 struct 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
 248 struct 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
 270 struct 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
 286 struct 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
 293 struct 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