1 /** 2 * @file 3 * 4 * IPv6 addresses. 5 */ 6 7 /* 8 * Copyright (c) 2010 Inico Technologies Ltd. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without modification, 12 * are permitted provided that the following conditions are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright notice, 15 * this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright notice, 17 * this list of conditions and the following disclaimer in the documentation 18 * and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 31 * OF SUCH DAMAGE. 32 * 33 * This file is part of the lwIP TCP/IP stack. 34 * 35 * Author: Ivan Delamer <delamer@inicotech.com> 36 * 37 * Structs and macros for handling IPv6 addresses. 38 * 39 * Please coordinate changes and requests with Ivan Delamer 40 * <delamer@inicotech.com> 41 */ 42 #ifndef LWIP_HDR_IP6_ADDR_H 43 #define LWIP_HDR_IP6_ADDR_H 44 45 #include "lwip/opt.h" 46 #include "def.h" 47 48 #if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */ 49 50 #include "lwip/ip6_zone.h" 51 52 #ifdef __cplusplus 53 extern "C" { 54 #endif 55 56 57 /** This is the aligned version of ip6_addr_t, 58 used as local variable, on the stack, etc. */ 59 struct ip6_addr { 60 u32_t addr[4]; 61 #if LWIP_IPV6_SCOPES 62 u8_t zone; 63 #endif /* LWIP_IPV6_SCOPES */ 64 }; 65 66 /** IPv6 address */ 67 typedef struct ip6_addr ip6_addr_t; 68 69 /** Set an IPv6 partial address given by byte-parts */ 70 #define IP6_ADDR_PART(ip6addr, index, a,b,c,d) \ 71 (ip6addr)->addr[index] = PP_HTONL(LWIP_MAKEU32(a,b,c,d)) 72 73 /** Set a full IPv6 address by passing the 4 u32_t indices in network byte order 74 (use PP_HTONL() for constants) */ 75 #define IP6_ADDR(ip6addr, idx0, idx1, idx2, idx3) do { \ 76 (ip6addr)->addr[0] = idx0; \ 77 (ip6addr)->addr[1] = idx1; \ 78 (ip6addr)->addr[2] = idx2; \ 79 (ip6addr)->addr[3] = idx3; \ 80 ip6_addr_clear_zone(ip6addr); } while(0) 81 82 /** Access address in 16-bit block */ 83 #define IP6_ADDR_BLOCK1(ip6addr) ((u16_t)((lwip_htonl((ip6addr)->addr[0]) >> 16) & 0xffff)) 84 /** Access address in 16-bit block */ 85 #define IP6_ADDR_BLOCK2(ip6addr) ((u16_t)((lwip_htonl((ip6addr)->addr[0])) & 0xffff)) 86 /** Access address in 16-bit block */ 87 #define IP6_ADDR_BLOCK3(ip6addr) ((u16_t)((lwip_htonl((ip6addr)->addr[1]) >> 16) & 0xffff)) 88 /** Access address in 16-bit block */ 89 #define IP6_ADDR_BLOCK4(ip6addr) ((u16_t)((lwip_htonl((ip6addr)->addr[1])) & 0xffff)) 90 /** Access address in 16-bit block */ 91 #define IP6_ADDR_BLOCK5(ip6addr) ((u16_t)((lwip_htonl((ip6addr)->addr[2]) >> 16) & 0xffff)) 92 /** Access address in 16-bit block */ 93 #define IP6_ADDR_BLOCK6(ip6addr) ((u16_t)((lwip_htonl((ip6addr)->addr[2])) & 0xffff)) 94 /** Access address in 16-bit block */ 95 #define IP6_ADDR_BLOCK7(ip6addr) ((u16_t)((lwip_htonl((ip6addr)->addr[3]) >> 16) & 0xffff)) 96 /** Access address in 16-bit block */ 97 #define IP6_ADDR_BLOCK8(ip6addr) ((u16_t)((lwip_htonl((ip6addr)->addr[3])) & 0xffff)) 98 99 /** Copy IPv6 address - faster than ip6_addr_set: no NULL check */ 100 #define ip6_addr_copy(dest, src) do{(dest).addr[0] = (src).addr[0]; \ 101 (dest).addr[1] = (src).addr[1]; \ 102 (dest).addr[2] = (src).addr[2]; \ 103 (dest).addr[3] = (src).addr[3]; \ 104 ip6_addr_copy_zone((dest), (src)); }while(0) 105 /** Safely copy one IPv6 address to another (src may be NULL) */ 106 #define ip6_addr_set(dest, src) do{(dest)->addr[0] = (src) == NULL ? 0 : (src)->addr[0]; \ 107 (dest)->addr[1] = (src) == NULL ? 0 : (src)->addr[1]; \ 108 (dest)->addr[2] = (src) == NULL ? 0 : (src)->addr[2]; \ 109 (dest)->addr[3] = (src) == NULL ? 0 : (src)->addr[3]; \ 110 ip6_addr_set_zone((dest), (src) == NULL ? IP6_NO_ZONE : ip6_addr_zone(src)); }while(0) 111 112 /** Copy packed IPv6 address to unpacked IPv6 address; zone is not set */ 113 #define ip6_addr_copy_from_packed(dest, src) do{(dest).addr[0] = (src).addr[0]; \ 114 (dest).addr[1] = (src).addr[1]; \ 115 (dest).addr[2] = (src).addr[2]; \ 116 (dest).addr[3] = (src).addr[3]; \ 117 ip6_addr_clear_zone(&dest); }while(0) 118 119 /** Copy unpacked IPv6 address to packed IPv6 address; zone is lost */ 120 #define ip6_addr_copy_to_packed(dest, src) do{(dest).addr[0] = (src).addr[0]; \ 121 (dest).addr[1] = (src).addr[1]; \ 122 (dest).addr[2] = (src).addr[2]; \ 123 (dest).addr[3] = (src).addr[3]; }while(0) 124 125 /** Set complete address to zero */ 126 #define ip6_addr_set_zero(ip6addr) do{(ip6addr)->addr[0] = 0; \ 127 (ip6addr)->addr[1] = 0; \ 128 (ip6addr)->addr[2] = 0; \ 129 (ip6addr)->addr[3] = 0; \ 130 ip6_addr_clear_zone(ip6addr);}while(0) 131 132 /** Set address to ipv6 'any' (no need for lwip_htonl()) */ 133 #define ip6_addr_set_any(ip6addr) ip6_addr_set_zero(ip6addr) 134 /** Set address to ipv6 loopback address */ 135 #define ip6_addr_set_loopback(ip6addr) do{(ip6addr)->addr[0] = 0; \ 136 (ip6addr)->addr[1] = 0; \ 137 (ip6addr)->addr[2] = 0; \ 138 (ip6addr)->addr[3] = PP_HTONL(0x00000001UL); \ 139 ip6_addr_clear_zone(ip6addr);}while(0) 140 /** Safely copy one IPv6 address to another and change byte order 141 * from host- to network-order. */ 142 #define ip6_addr_set_hton(dest, src) do{(dest)->addr[0] = (src) == NULL ? 0 : lwip_htonl((src)->addr[0]); \ 143 (dest)->addr[1] = (src) == NULL ? 0 : lwip_htonl((src)->addr[1]); \ 144 (dest)->addr[2] = (src) == NULL ? 0 : lwip_htonl((src)->addr[2]); \ 145 (dest)->addr[3] = (src) == NULL ? 0 : lwip_htonl((src)->addr[3]); \ 146 ip6_addr_set_zone((dest), (src) == NULL ? IP6_NO_ZONE : ip6_addr_zone(src));}while(0) 147 148 149 /** @deprecated Renamed to @ref ip6_addr_net_zoneless_eq */ 150 #define ip6_addr_netcmp_zoneless(addr1, addr2) ip6_addr_net_zoneless_eq(addr1, addr2) 151 /** Compare IPv6 networks, ignoring zone information. To be used sparingly! */ 152 #define ip6_addr_net_zoneless_eq(addr1, addr2) (((addr1)->addr[0] == (addr2)->addr[0]) && \ 153 ((addr1)->addr[1] == (addr2)->addr[1])) 154 155 /** 156 * Determine if two IPv6 address are on the same network. 157 * @deprecated Renamed to @ref ip6_addr_net_eq 158 */ 159 #define ip6_addr_netcmp(addr1, addr2) ip6_addr_net_eq(addr1, addr2) 160 /** 161 * Determine if two IPv6 address are on the same network. 162 * 163 * @param addr1 IPv6 address 1 164 * @param addr2 IPv6 address 2 165 * @return 1 if the network identifiers of both address match, 0 if not 166 */ 167 #define ip6_addr_net_eq(addr1, addr2) (ip6_addr_net_zoneless_eq((addr1), (addr2)) && \ 168 ip6_addr_zone_eq((addr1), (addr2))) 169 170 #define ip6_addr_nethostcmp(addr1, addr2) ip6_addr_nethost_eq(addr1, addr2) 171 /* Exact-host comparison *after* ip6_addr_net_eq() succeeded, for efficiency. */ 172 #define ip6_addr_nethost_eq(addr1, addr2) (((addr1)->addr[2] == (addr2)->addr[2]) && \ 173 ((addr1)->addr[3] == (addr2)->addr[3])) 174 175 /** @deprecated Renamed to @ref ip6_addr_zoneless_eq */ 176 #define ip6_addr_cmp_zoneless(addr1, addr2) ip6_addr_zoneless_eq(addr1, addr2) 177 /** Compare IPv6 addresses, ignoring zone information. To be used sparingly! */ 178 #define ip6_addr_zoneless_eq(addr1, addr2) (((addr1)->addr[0] == (addr2)->addr[0]) && \ 179 ((addr1)->addr[1] == (addr2)->addr[1]) && \ 180 ((addr1)->addr[2] == (addr2)->addr[2]) && \ 181 ((addr1)->addr[3] == (addr2)->addr[3])) 182 /** @deprecated Renamed to @ref ip6_addr_eq */ 183 #define ip6_addr_cmp(addr1, addr2) ip6_addr_eq(addr1, addr2) 184 /** 185 * Determine if two IPv6 addresses are the same. In particular, the address 186 * part of both must be the same, and the zone must be compatible. 187 * 188 * @param addr1 IPv6 address 1 189 * @param addr2 IPv6 address 2 190 * @return 1 if the addresses are considered equal, 0 if not 191 */ 192 #define ip6_addr_eq(addr1, addr2) (ip6_addr_zoneless_eq((addr1), (addr2)) && \ 193 ip6_addr_zone_eq((addr1), (addr2))) 194 195 /** @deprecated Renamed to @ref ip6_addr_packed_eq */ 196 #define ip6_addr_cmp_packed(ip6addr, paddr, zone_idx) ip6_addr_packed_eq(ip6addr, paddr, zone_idx) 197 /** Compare IPv6 address to packed address and zone */ 198 #define ip6_addr_packed_eq(ip6addr, paddr, zone_idx) (((ip6addr)->addr[0] == (paddr)->addr[0]) && \ 199 ((ip6addr)->addr[1] == (paddr)->addr[1]) && \ 200 ((ip6addr)->addr[2] == (paddr)->addr[2]) && \ 201 ((ip6addr)->addr[3] == (paddr)->addr[3]) && \ 202 ip6_addr_equals_zone((ip6addr), (zone_idx))) 203 204 #define ip6_get_subnet_id(ip6addr) (lwip_htonl((ip6addr)->addr[2]) & 0x0000ffffUL) 205 206 #define ip6_addr_isany_val(ip6addr) (((ip6addr).addr[0] == 0) && \ 207 ((ip6addr).addr[1] == 0) && \ 208 ((ip6addr).addr[2] == 0) && \ 209 ((ip6addr).addr[3] == 0)) 210 #define ip6_addr_isany(ip6addr) (((ip6addr) == NULL) || ip6_addr_isany_val(*(ip6addr))) 211 212 #define ip6_addr_isloopback(ip6addr) (((ip6addr)->addr[0] == 0UL) && \ 213 ((ip6addr)->addr[1] == 0UL) && \ 214 ((ip6addr)->addr[2] == 0UL) && \ 215 ((ip6addr)->addr[3] == PP_HTONL(0x00000001UL))) 216 217 #define ip6_addr_isglobal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xe0000000UL)) == PP_HTONL(0x20000000UL)) 218 219 #define ip6_addr_islinklocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffc00000UL)) == PP_HTONL(0xfe800000UL)) 220 221 #define ip6_addr_issitelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffc00000UL)) == PP_HTONL(0xfec00000UL)) 222 223 #define ip6_addr_isuniquelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xfe000000UL)) == PP_HTONL(0xfc000000UL)) 224 225 #define ip6_addr_isipv4mappedipv6(ip6addr) (((ip6addr)->addr[0] == 0) && ((ip6addr)->addr[1] == 0) && (((ip6addr)->addr[2]) == PP_HTONL(0x0000FFFFUL))) 226 227 #define ip6_addr_isipv4compat(ip6addr) (((ip6addr)->addr[0] == 0UL) && \ 228 ((ip6addr)->addr[1] == 0UL) && \ 229 ((ip6addr)->addr[2] == 0UL) && \ 230 (htonl((ip6addr)->addr[3]) > 1)) 231 232 #define ip6_addr_ismulticast(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff000000UL)) == PP_HTONL(0xff000000UL)) 233 #define ip6_addr_multicast_transient_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00100000UL)) 234 #define ip6_addr_multicast_prefix_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00200000UL)) 235 #define ip6_addr_multicast_rendezvous_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00400000UL)) 236 #define ip6_addr_multicast_scope(ip6addr) ((lwip_htonl((ip6addr)->addr[0]) >> 16) & 0xf) 237 #define IP6_MULTICAST_SCOPE_RESERVED 0x0 238 #define IP6_MULTICAST_SCOPE_RESERVED0 0x0 239 #define IP6_MULTICAST_SCOPE_INTERFACE_LOCAL 0x1 240 #define IP6_MULTICAST_SCOPE_LINK_LOCAL 0x2 241 #define IP6_MULTICAST_SCOPE_RESERVED3 0x3 242 #define IP6_MULTICAST_SCOPE_ADMIN_LOCAL 0x4 243 #define IP6_MULTICAST_SCOPE_SITE_LOCAL 0x5 244 #define IP6_MULTICAST_SCOPE_ORGANIZATION_LOCAL 0x8 245 #define IP6_MULTICAST_SCOPE_GLOBAL 0xe 246 #define IP6_MULTICAST_SCOPE_RESERVEDF 0xf 247 #define ip6_addr_ismulticast_iflocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff010000UL)) 248 #define ip6_addr_ismulticast_linklocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff020000UL)) 249 #define ip6_addr_ismulticast_adminlocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff040000UL)) 250 #define ip6_addr_ismulticast_sitelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff050000UL)) 251 #define ip6_addr_ismulticast_orglocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff080000UL)) 252 #define ip6_addr_ismulticast_global(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff8f0000UL)) == PP_HTONL(0xff0e0000UL)) 253 254 /* Scoping note: while interface-local and link-local multicast addresses do 255 * have a scope (i.e., they are meaningful only in the context of a particular 256 * interface), the following functions are not assigning or comparing zone 257 * indices. The reason for this is backward compatibility. Any call site that 258 * produces a non-global multicast address must assign a multicast address as 259 * appropriate itself. */ 260 261 #define ip6_addr_isallnodes_iflocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff010000UL)) && \ 262 ((ip6addr)->addr[1] == 0UL) && \ 263 ((ip6addr)->addr[2] == 0UL) && \ 264 ((ip6addr)->addr[3] == PP_HTONL(0x00000001UL))) 265 266 #define ip6_addr_isallnodes_linklocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \ 267 ((ip6addr)->addr[1] == 0UL) && \ 268 ((ip6addr)->addr[2] == 0UL) && \ 269 ((ip6addr)->addr[3] == PP_HTONL(0x00000001UL))) 270 #define ip6_addr_set_allnodes_linklocal(ip6addr) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \ 271 (ip6addr)->addr[1] = 0; \ 272 (ip6addr)->addr[2] = 0; \ 273 (ip6addr)->addr[3] = PP_HTONL(0x00000001UL); \ 274 ip6_addr_clear_zone(ip6addr); }while(0) 275 276 #define ip6_addr_isallrouters_linklocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \ 277 ((ip6addr)->addr[1] == 0UL) && \ 278 ((ip6addr)->addr[2] == 0UL) && \ 279 ((ip6addr)->addr[3] == PP_HTONL(0x00000002UL))) 280 #define ip6_addr_set_allrouters_linklocal(ip6addr) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \ 281 (ip6addr)->addr[1] = 0; \ 282 (ip6addr)->addr[2] = 0; \ 283 (ip6addr)->addr[3] = PP_HTONL(0x00000002UL); \ 284 ip6_addr_clear_zone(ip6addr); }while(0) 285 286 #define ip6_addr_issolicitednode(ip6addr) ( ((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \ 287 ((ip6addr)->addr[2] == PP_HTONL(0x00000001UL)) && \ 288 (((ip6addr)->addr[3] & PP_HTONL(0xff000000UL)) == PP_HTONL(0xff000000UL)) ) 289 290 #define ip6_addr_set_solicitednode(ip6addr, if_id) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \ 291 (ip6addr)->addr[1] = 0; \ 292 (ip6addr)->addr[2] = PP_HTONL(0x00000001UL); \ 293 (ip6addr)->addr[3] = (PP_HTONL(0xff000000UL) | (if_id)); \ 294 ip6_addr_clear_zone(ip6addr); }while(0) 295 296 #define ip6_addr_cmp_solicitednode(ip6addr, sn_addr) ip6_addr_solicitednode_eq(ip6addr, sn_addr) 297 #define ip6_addr_solicitednode_eq(ip6addr, sn_addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \ 298 ((ip6addr)->addr[1] == 0) && \ 299 ((ip6addr)->addr[2] == PP_HTONL(0x00000001UL)) && \ 300 ((ip6addr)->addr[3] == (PP_HTONL(0xff000000UL) | (sn_addr)->addr[3]))) 301 302 /* IPv6 address states. */ 303 #define IP6_ADDR_INVALID 0x00 304 #define IP6_ADDR_TENTATIVE 0x08 305 #define IP6_ADDR_TENTATIVE_1 0x09 /* 1 probe sent */ 306 #define IP6_ADDR_TENTATIVE_2 0x0a /* 2 probes sent */ 307 #define IP6_ADDR_TENTATIVE_3 0x0b /* 3 probes sent */ 308 #define IP6_ADDR_TENTATIVE_4 0x0c /* 4 probes sent */ 309 #define IP6_ADDR_TENTATIVE_5 0x0d /* 5 probes sent */ 310 #define IP6_ADDR_TENTATIVE_6 0x0e /* 6 probes sent */ 311 #define IP6_ADDR_TENTATIVE_7 0x0f /* 7 probes sent */ 312 #define IP6_ADDR_VALID 0x10 /* This bit marks an address as valid (preferred or deprecated) */ 313 #define IP6_ADDR_PREFERRED 0x30 314 #define IP6_ADDR_DEPRECATED 0x10 /* Same as VALID (valid but not preferred) */ 315 #define IP6_ADDR_DUPLICATED 0x40 /* Failed DAD test, not valid */ 316 317 #define IP6_ADDR_TENTATIVE_COUNT_MASK 0x07 /* 1-7 probes sent */ 318 319 #define ip6_addr_isinvalid(addr_state) (addr_state == IP6_ADDR_INVALID) 320 #define ip6_addr_istentative(addr_state) (addr_state & IP6_ADDR_TENTATIVE) 321 #define ip6_addr_isvalid(addr_state) (addr_state & IP6_ADDR_VALID) /* Include valid, preferred, and deprecated. */ 322 #define ip6_addr_ispreferred(addr_state) (addr_state == IP6_ADDR_PREFERRED) 323 #define ip6_addr_isdeprecated(addr_state) (addr_state == IP6_ADDR_DEPRECATED) 324 #define ip6_addr_isduplicated(addr_state) (addr_state == IP6_ADDR_DUPLICATED) 325 326 #if LWIP_IPV6_ADDRESS_LIFETIMES 327 #define IP6_ADDR_LIFE_STATIC (0) 328 #define IP6_ADDR_LIFE_INFINITE (0xffffffffUL) 329 #define ip6_addr_life_isstatic(addr_life) ((addr_life) == IP6_ADDR_LIFE_STATIC) 330 #define ip6_addr_life_isinfinite(addr_life) ((addr_life) == IP6_ADDR_LIFE_INFINITE) 331 #endif /* LWIP_IPV6_ADDRESS_LIFETIMES */ 332 333 #define ip6_addr_debug_print_parts(debug, a, b, c, d, e, f, g, h) \ 334 LWIP_DEBUGF(debug, ("%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F, \ 335 a, b, c, d, e, f, g, h)) 336 #define ip6_addr_debug_print(debug, ipaddr) \ 337 ip6_addr_debug_print_parts(debug, \ 338 (u16_t)((ipaddr) != NULL ? IP6_ADDR_BLOCK1(ipaddr) : 0), \ 339 (u16_t)((ipaddr) != NULL ? IP6_ADDR_BLOCK2(ipaddr) : 0), \ 340 (u16_t)((ipaddr) != NULL ? IP6_ADDR_BLOCK3(ipaddr) : 0), \ 341 (u16_t)((ipaddr) != NULL ? IP6_ADDR_BLOCK4(ipaddr) : 0), \ 342 (u16_t)((ipaddr) != NULL ? IP6_ADDR_BLOCK5(ipaddr) : 0), \ 343 (u16_t)((ipaddr) != NULL ? IP6_ADDR_BLOCK6(ipaddr) : 0), \ 344 (u16_t)((ipaddr) != NULL ? IP6_ADDR_BLOCK7(ipaddr) : 0), \ 345 (u16_t)((ipaddr) != NULL ? IP6_ADDR_BLOCK8(ipaddr) : 0)) 346 #define ip6_addr_debug_print_val(debug, ipaddr) \ 347 ip6_addr_debug_print_parts(debug, \ 348 IP6_ADDR_BLOCK1(&(ipaddr)), \ 349 IP6_ADDR_BLOCK2(&(ipaddr)), \ 350 IP6_ADDR_BLOCK3(&(ipaddr)), \ 351 IP6_ADDR_BLOCK4(&(ipaddr)), \ 352 IP6_ADDR_BLOCK5(&(ipaddr)), \ 353 IP6_ADDR_BLOCK6(&(ipaddr)), \ 354 IP6_ADDR_BLOCK7(&(ipaddr)), \ 355 IP6_ADDR_BLOCK8(&(ipaddr))) 356 357 #define IP6ADDR_STRLEN_MAX 46 358 359 int ip6addr_aton(const char *cp, ip6_addr_t *addr); 360 /** returns ptr to static buffer; not reentrant! */ 361 char *ip6addr_ntoa(const ip6_addr_t *addr); 362 char *ip6addr_ntoa_r(const ip6_addr_t *addr, char *buf, int buflen); 363 364 365 366 #ifdef __cplusplus 367 } 368 #endif 369 370 #endif /* LWIP_IPV6 */ 371 372 #endif /* LWIP_HDR_IP6_ADDR_H */ 373