ipv6.h
Go to the documentation of this file.
1 /**
2  * @file ipv6.h
3  * @brief IPv6 (Internet Protocol Version 6)
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2010-2023 Oryx Embedded SARL. All rights reserved.
10  *
11  * This file is part of CycloneTCP Open.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License
15  * as published by the Free Software Foundation; either version 2
16  * of the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software Foundation,
25  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26  *
27  * @author Oryx Embedded SARL (www.oryx-embedded.com)
28  * @version 2.3.2
29  **/
30 
31 #ifndef _IPV6_H
32 #define _IPV6_H
33 
34 //Forward declaration of structures
35 struct _Ipv6Header;
36 #define Ipv6Header struct _Ipv6Header
37 
38 struct _Ipv6FragmentHeader;
39 #define Ipv6FragmentHeader struct _Ipv6FragmentHeader
40 
41 struct _Ipv6PseudoHeader;
42 #define Ipv6PseudoHeader struct _Ipv6PseudoHeader
43 
44 //Dependencies
45 #include "core/net.h"
46 #include "core/ethernet.h"
47 #include "ipv6/ipv6_frag.h"
48 
49 //IPv6 support
50 #ifndef IPV6_SUPPORT
51  #define IPV6_SUPPORT DISABLED
52 #elif (IPV6_SUPPORT != ENABLED && IPV6_SUPPORT != DISABLED)
53  #error IPV6_SUPPORT parameter is not valid
54 #endif
55 
56 //Default IPv6 Hop Limit field
57 #ifndef IPV6_DEFAULT_HOP_LIMIT
58  #define IPV6_DEFAULT_HOP_LIMIT 64
59 #elif (IPV6_DEFAULT_HOP_LIMIT < 1)
60  #error IPV6_DEFAULT_HOP_LIMIT parameter is not valid
61 #endif
62 
63 //Maximum number of IPv6 unicast addresses
64 #ifndef IPV6_ADDR_LIST_SIZE
65  #define IPV6_ADDR_LIST_SIZE 3
66 #elif (IPV6_ADDR_LIST_SIZE < 2)
67  #error IPV6_ADDR_LIST_SIZE parameter is not valid
68 #endif
69 
70 //Maximum number of IPv6 anycast addresses
71 #ifndef IPV6_ANYCAST_ADDR_LIST_SIZE
72  #define IPV6_ANYCAST_ADDR_LIST_SIZE 1
73 #elif (IPV6_ANYCAST_ADDR_LIST_SIZE < 1)
74  #error IPV6_ANYCAST_ADDR_LIST_SIZE parameter is not valid
75 #endif
76 
77 //Size of the prefix list
78 #ifndef IPV6_PREFIX_LIST_SIZE
79  #define IPV6_PREFIX_LIST_SIZE 2
80 #elif (IPV6_PREFIX_LIST_SIZE < 1)
81  #error IPV6_PREFIX_LIST_SIZE parameter is not valid
82 #endif
83 
84 //Maximum number number of default routers
85 #ifndef IPV6_ROUTER_LIST_SIZE
86  #define IPV6_ROUTER_LIST_SIZE 2
87 #elif (IPV6_ROUTER_LIST_SIZE < 1)
88  #error IPV6_ROUTER_LIST_SIZE parameter is not valid
89 #endif
90 
91 //Maximum number of DNS servers
92 #ifndef IPV6_DNS_SERVER_LIST_SIZE
93  #define IPV6_DNS_SERVER_LIST_SIZE 2
94 #elif (IPV6_DNS_SERVER_LIST_SIZE < 1)
95  #error IPV6_DNS_SERVER_LIST_SIZE parameter is not valid
96 #endif
97 
98 //Size of the IPv6 multicast filter
99 #ifndef IPV6_MULTICAST_FILTER_SIZE
100  #define IPV6_MULTICAST_FILTER_SIZE 8
101 #elif (IPV6_MULTICAST_FILTER_SIZE < 1)
102  #error IPV6_MULTICAST_FILTER_SIZE parameter is not valid
103 #endif
104 
105 //Version number for IPv6
106 #define IPV6_VERSION 6
107 //Minimum MTU that routers and physical links are required to handle
108 #define IPV6_DEFAULT_MTU 1280
109 
110 //Macro used for defining an IPv6 address
111 #define IPV6_ADDR(a, b, c, d, e, f, g, h) {{{ \
112  MSB(a), LSB(a), MSB(b), LSB(b), MSB(c), LSB(c), MSB(d), LSB(d), \
113  MSB(e), LSB(e), MSB(f), LSB(f), MSB(g), LSB(g), MSB(h), LSB(h)}}}
114 
115 //Copy IPv6 address
116 #define ipv6CopyAddr(destIpAddr, srcIpAddr) \
117  osMemcpy(destIpAddr, srcIpAddr, sizeof(Ipv6Addr))
118 
119 //Compare IPv6 addresses
120 #define ipv6CompAddr(ipAddr1, ipAddr2) \
121  (!osMemcmp(ipAddr1, ipAddr2, sizeof(Ipv6Addr)))
122 
123 //Determine whether an IPv6 address is a link-local unicast address
124 #define ipv6IsLinkLocalUnicastAddr(ipAddr) \
125  ((ipAddr)->b[0] == 0xFE && ((ipAddr)->b[1] & 0xC0) == 0x80)
126 
127 //Determine whether an IPv6 address is a site-local unicast address
128 #define ipv6IsSiteLocalUnicastAddr(ipAddr) \
129  ((ipAddr)->b[0] == 0xFE && ((ipAddr)->b[1] & 0xC0) == 0xC0)
130 
131 //Determine whether an IPv6 address is a multicast address
132 #define ipv6IsMulticastAddr(ipAddr) \
133  ((ipAddr)->b[0] == 0xFF)
134 
135 //Determine whether an IPv6 address is a solicited-node address
136 #define ipv6IsSolicitedNodeAddr(ipAddr) \
137  ipv6CompPrefix(ipAddr, &IPV6_SOLICITED_NODE_ADDR_PREFIX, 104)
138 
139 //C++ guard
140 #ifdef __cplusplus
141 extern "C" {
142 #endif
143 
144 
145 /**
146  * @brief IPv6 address scopes
147  **/
148 
149 typedef enum
150 {
158 
159 
160 /**
161  * @brief IPv6 address state
162  **/
163 
164 typedef enum
165 {
166  IPV6_ADDR_STATE_INVALID = 0, ///<An address that is not assigned to any interface
167  IPV6_ADDR_STATE_TENTATIVE = 1, ///<An address whose uniqueness on a link is being verified
168  IPV6_ADDR_STATE_PREFERRED = 2, ///<An address assigned to an interface whose use is unrestricted
169  IPV6_ADDR_STATE_DEPRECATED = 3 ///<An address assigned to an interface whose use is discouraged
171 
172 
173 /**
174  * @brief IPv6 Next Header types
175  **/
176 
177 typedef enum
178 {
190 
191 
192 /**
193  * @brief IPv6 fragment offset field
194  **/
195 
196 typedef enum
197 {
199  IPV6_FLAG_RES1 = 0x0004,
200  IPV6_FLAG_RES2 = 0x0002,
201  IPV6_FLAG_M = 0x0001
203 
204 
205 /**
206  * @brief IPv6 option types
207  **/
208 
209 typedef enum
210 {
213  IPV6_OPTION_TYPE_PADN = 0x01
215 
216 
217 /**
218  * @brief Actions to be taken for unrecognized options
219  **/
220 
221 typedef enum
222 {
229 
230 
231 //CodeWarrior or Win32 compiler?
232 #if defined(__CWCC__) || defined(_WIN32)
233  #pragma pack(push, 1)
234 #endif
235 
236 
237 /**
238  * @brief IPv6 network address
239  **/
240 
242 {
243  __packed_union
244  {
245  uint8_t b[16];
246  uint16_t w[8];
247  uint32_t dw[4];
248  };
250 
251 
252 /**
253  * @brief IPv6 header
254  **/
255 
257 {
258 #if defined(_CPU_BIG_ENDIAN) && !defined(__ICCRX__)
259  uint8_t version : 4; //0
260  uint8_t trafficClassH : 4;
261  uint8_t trafficClassL : 4; //1
262  uint8_t flowLabelH : 4;
263 #else
264  uint8_t trafficClassH : 4; //0
265  uint8_t version : 4;
266  uint8_t flowLabelH : 4; //1
267  uint8_t trafficClassL : 4;
268 #endif
269  uint16_t flowLabelL; //2-3
270  uint16_t payloadLen; //4-5
271  uint8_t nextHeader; //6
272  uint8_t hopLimit; //7
275  uint8_t payload[]; //40
276 };
277 
278 
279 /**
280  * @brief IPv6 Hop-by-Hop Options header
281  **/
282 
283 typedef __packed_struct
284 {
285  uint8_t nextHeader; //0
286  uint8_t hdrExtLen; //1
287  uint8_t options[]; //2
289 
290 
291 /**
292  * @brief IPv6 Destination Options header
293  **/
294 
295 typedef __packed_struct
296 {
297  uint8_t nextHeader; //0
298  uint8_t hdrExtLen; //1
299  uint8_t options[]; //2
301 
302 
303 /**
304  * @brief IPv6 Type 0 Routing header
305  **/
306 
307 typedef __packed_struct
308 {
309  uint8_t nextHeader; //0
310  uint8_t hdrExtLen; //1
311  uint8_t routingType; //2
312  uint8_t segmentsLeft; //3
313  uint32_t reserved; //4-7
316 
317 
318 /**
319  * @brief IPv6 Fragment header
320  **/
321 
323 {
324  uint8_t nextHeader; //0
325  uint8_t reserved; //1
326  uint16_t fragmentOffset; //2-3
327  uint32_t identification; //4-7
328 };
329 
330 
331 /**
332  * @brief IPv6 Authentication header
333  **/
334 
335 typedef __packed_struct
336 {
337  uint8_t nextHeader; //0
338  uint8_t payloadLen; //1
339  uint16_t reserved; //2-3
340  uint32_t securityParamIndex; //4-7
341  uint32_t sequenceNumber; //8-11
342  uint8_t authData[]; //12
344 
345 
346 /**
347  * @brief IPv6 Encapsulating Security Payload header
348  **/
349 
350 typedef __packed_struct
351 {
352  uint32_t securityParamIndex; //0-3
353  uint32_t sequenceNumber; //4-7
354  uint8_t payloadData[]; //8
356 
357 
358 /**
359  * @brief IPv6 option
360  **/
361 
362 typedef __packed_struct
363 {
364  uint8_t type; //0
365  uint8_t length; //1
366  uint8_t data[]; //2
368 
369 
370 /**
371  * @brief IPv6 pseudo header
372  **/
373 
375 {
376  Ipv6Addr srcAddr; //0-15
377  Ipv6Addr destAddr; //16-31
378  uint32_t length; //32-35
379  uint8_t reserved[3]; //36-38
380  uint8_t nextHeader; //39
381 };
382 
383 
384 //CodeWarrior or Win32 compiler?
385 #if defined(__CWCC__) || defined(_WIN32)
386  #pragma pack(pop)
387 #endif
388 
389 
390 /**
391  * @brief IPv6 address entry
392  **/
393 
394 typedef struct
395 {
396  Ipv6Addr addr; ///<IPv6 address
397  Ipv6AddrState state; ///<IPv6 address state
398  bool_t duplicate; ///<The address is a duplicate
399  systime_t validLifetime; ///<Valid lifetime
400  systime_t preferredLifetime; ///<Preferred lifetime
401  bool_t permanent; ///<Permanently assigned address
402  systime_t timestamp; ///<Timestamp to manage entry lifetime
403  systime_t dadTimeout; ///<Timeout value for Duplicate Address Detection
404  uint_t dadRetransmitCount; ///<Retransmission counter for Duplicate Address Detection
405 } Ipv6AddrEntry;
406 
407 
408 /**
409  * @brief Prefix list entry
410  **/
411 
412 typedef struct
413 {
414  Ipv6Addr prefix; ///<IPv6 prefix information
415  uint8_t prefixLen; ///<IPv6 prefix length
416  bool_t onLinkFlag; ///<On-link flag
417  bool_t autonomousFlag; ///<Autonomous flag
418  systime_t validLifetime; ///<Valid lifetime
419  systime_t preferredLifetime; ///<Preferred lifetime
420  bool_t permanent; ///<Permanently assigned prefix
421  systime_t timestamp; ///<Timestamp to manage entry lifetime
423 
424 
425 /**
426  * @brief Default router list entry
427  **/
428 
429 typedef struct
430 {
431  Ipv6Addr addr; ///<Router address
432  systime_t lifetime; ///<Router lifetime
433  uint8_t preference; ///<Preference value
434  bool_t permanent; ///<Permanently assigned router
435  systime_t timestamp; ///<Timestamp to manage entry lifetime
437 
438 
439 /**
440  * @brief IPv6 multicast filter entry
441  **/
442 
443 typedef struct
444 {
445  Ipv6Addr addr; ///<Multicast address
446  uint_t refCount; ///<Reference count for the current entry
447  uint_t state; ///<MLD node state
448  bool_t flag; ///<MLD flag
449  systime_t timer; ///<Delay timer
451 
452 
453 /**
454  * @brief IPv6 context
455  **/
456 
457 typedef struct
458 {
459  size_t linkMtu; ///<Maximum transmission unit
460  bool_t isRouter; ///<A flag indicating whether routing is enabled on this interface
461  uint8_t defaultHopLimit; ///<Default Hop Limit value
462  uint8_t curHopLimit; ///<Current Hop Limit value
463  bool_t enableEchoReq; ///<Support for ICMPv6 Echo Request messages
464  bool_t enableMulticastEchoReq; ///<Support for multicast ICMPv6 Echo Request messages
465  Ipv6AddrEntry addrList[IPV6_ADDR_LIST_SIZE]; ///<IPv6 unicast address list
466  Ipv6Addr anycastAddrList[IPV6_ANYCAST_ADDR_LIST_SIZE]; ///<IPv6 anycast address list
467  Ipv6PrefixEntry prefixList[IPV6_PREFIX_LIST_SIZE]; ///<Prefix list
468  Ipv6RouterEntry routerList[IPV6_ROUTER_LIST_SIZE]; ///<Default router list
469  Ipv6Addr dnsServerList[IPV6_DNS_SERVER_LIST_SIZE]; ///<DNS servers
470  Ipv6FilterEntry multicastFilter[IPV6_MULTICAST_FILTER_SIZE]; ///<Multicast filter table
471 #if (IPV6_FRAG_SUPPORT == ENABLED)
472  uint32_t identification; ///<IPv6 fragment identification field
473  Ipv6FragDesc fragQueue[IPV6_MAX_FRAG_DATAGRAMS]; ///<IPv6 fragment reassembly queue
474 #endif
475 } Ipv6Context;
476 
477 
478 //IPv6 related constants
479 extern const Ipv6Addr IPV6_UNSPECIFIED_ADDR;
480 extern const Ipv6Addr IPV6_LOOPBACK_ADDR;
485 
486 //IPv6 related functions
487 error_t ipv6Init(NetInterface *interface);
488 
489 error_t ipv6SetMtu(NetInterface *interface, size_t mtu);
490 error_t ipv6GetMtu(NetInterface *interface, size_t *mtu);
491 
493 
497 
498 error_t ipv6SetGlobalAddr(NetInterface *interface, uint_t index, const Ipv6Addr *addr);
501 
502 error_t ipv6SetAnycastAddr(NetInterface *interface, uint_t index, const Ipv6Addr *addr);
504 
506  uint_t index, const Ipv6Addr *prefix, uint_t length);
507 
509  uint_t index, Ipv6Addr *prefix, uint_t *length);
510 
511 error_t ipv6SetDefaultRouter(NetInterface *interface, uint_t index, const Ipv6Addr *addr);
513 
514 error_t ipv6SetDnsServer(NetInterface *interface, uint_t index, const Ipv6Addr *addr);
516 
517 void ipv6LinkChangeEvent(NetInterface *interface);
518 
520  size_t ipPacketOffset, NetRxAncillary *ancillary);
521 
523  size_t ipPacketOffset, size_t *headerOffset, size_t *nextHeaderOffset);
524 
526  size_t ipPacketOffset, size_t *headerOffset, size_t *nextHeaderOffset);
527 
529  size_t ipPacketOffset, size_t *headerOffset, size_t *nextHeaderOffset);
530 
532  size_t ipPacketOffset, size_t *headerOffset, size_t *nextHeaderOffset);
533 
535  size_t ipPacketOffset, size_t *headerOffset, size_t *nextHeaderOffset);
536 
538  size_t ipPacketOffset, size_t optionOffset, size_t optionLen);
539 
541  const Ipv6PseudoHeader *pseudoHeader, NetBuffer *buffer, size_t offset,
542  NetTxAncillary *ancillary);
543 
545  const Ipv6PseudoHeader *pseudoHeader, uint32_t fragId, size_t fragOffset,
546  NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary);
547 
550 
553 
554 void ipv6DumpHeader(const Ipv6Header *ipHeader);
555 
556 //C++ guard
557 #ifdef __cplusplus
558 }
559 #endif
560 
561 #endif
uint8_t type
Definition: coap_common.h:174
unsigned int uint_t
Definition: compiler_port.h:50
char char_t
Definition: compiler_port.h:48
int bool_t
Definition: compiler_port.h:53
Ipv6Addr prefix
uint8_t fragOffset[3]
Definition: dtls_misc.h:190
error_t
Error codes.
Definition: error.h:43
Ethernet.
uint32_t mtu
Definition: icmpv6.h:173
Ipv4Addr groupAddr
Definition: igmp_common.h:169
Ipv4Addr ipAddr
Definition: ipcp.h:103
Ipv6Addr
Definition: ipv6.h:249
uint8_t flowLabelH
Definition: ipv6.h:266
const Ipv6Addr IPV6_SOLICITED_NODE_ADDR_PREFIX
Definition: ipv6.c:85
Ipv6Option
Definition: ipv6.h:367
error_t ipv6GetAnycastAddr(NetInterface *interface, uint_t index, Ipv6Addr *addr)
Retrieve anycast address.
Definition: ipv6.c:548
error_t ipv6SetDefaultHopLimit(NetInterface *interface, uint8_t hopLimit)
Set default Hop Limit value for outgoing IPv6 packets.
Definition: ipv6.c:219
error_t ipv6GetGlobalAddr(NetInterface *interface, uint_t index, Ipv6Addr *addr)
Retrieve global address.
Definition: ipv6.c:392
error_t ipv6SetPrefix(NetInterface *interface, uint_t index, const Ipv6Addr *prefix, uint_t length)
Configure IPv6 prefix.
Definition: ipv6.c:583
error_t ipv6ParseDestOptHeader(NetInterface *interface, const NetBuffer *ipPacket, size_t ipPacketOffset, size_t *headerOffset, size_t *nextHeaderOffset)
Parse Destination Options header.
Definition: ipv6.c:1367
Ipv6Addr address[]
Definition: ipv6.h:314
error_t ipv6ParseEspHeader(NetInterface *interface, const NetBuffer *ipPacket, size_t ipPacketOffset, size_t *headerOffset, size_t *nextHeaderOffset)
Parse ESP header.
Definition: ipv6.c:1521
uint32_t sequenceNumber
Definition: ipv6.h:341
uint8_t hopLimit
Definition: ipv6.h:272
error_t ipv6GetPrefix(NetInterface *interface, uint_t index, Ipv6Addr *prefix, uint_t *length)
Retrieve IPv6 prefix.
Definition: ipv6.c:647
void ipv6ProcessPacket(NetInterface *interface, NetBuffer *ipPacket, size_t ipPacketOffset, NetRxAncillary *ancillary)
Incoming IPv6 packet processing.
Definition: ipv6.c:968
uint16_t flowLabelL
Definition: ipv6.h:269
error_t ipv6SetGlobalAddr(NetInterface *interface, uint_t index, const Ipv6Addr *addr)
Assign global address.
Definition: ipv6.c:353
uint8_t payloadData[]
Definition: ipv6.h:354
uint8_t hdrExtLen
Definition: ipv6.h:286
error_t ipv6Init(NetInterface *interface)
IPv6 related initialization.
Definition: ipv6.c:95
Ipv6NextHeaderType
IPv6 Next Header types.
Definition: ipv6.h:178
@ IPV6_ROUTING_HEADER
Definition: ipv6.h:182
@ IPV6_ICMPV6_HEADER
Definition: ipv6.h:186
@ IPV6_UDP_HEADER
Definition: ipv6.h:181
@ IPV6_DEST_OPT_HEADER
Definition: ipv6.h:188
@ IPV6_HOP_BY_HOP_OPT_HEADER
Definition: ipv6.h:179
@ IPV6_TCP_HEADER
Definition: ipv6.h:180
@ IPV6_ESP_HEADER
Definition: ipv6.h:184
@ IPV6_FRAGMENT_HEADER
Definition: ipv6.h:183
@ IPV6_NO_NEXT_HEADER
Definition: ipv6.h:187
@ IPV6_AH_HEADER
Definition: ipv6.h:185
uint32_t identification
Definition: ipv6.h:327
uint8_t data[]
Definition: ipv6.h:366
error_t ipv6GetMtu(NetInterface *interface, size_t *mtu)
Retrieve the MTU for the specified interface.
Definition: ipv6.c:194
Ipv6RoutingHeader
Definition: ipv6.h:315
#define Ipv6PseudoHeader
Definition: ipv6.h:42
uint8_t trafficClassL
Definition: ipv6.h:267
__packed_struct _Ipv6FragmentHeader
IPv6 Fragment header.
Definition: ipv6.h:323
uint8_t payload[]
Definition: ipv6.h:275
Ipv6AddrState ipv6GetGlobalAddrState(NetInterface *interface, uint_t index)
Get the state of the specified global address.
Definition: ipv6.c:443
uint8_t routingType
Definition: ipv6.h:311
uint8_t nextHeader
Definition: ipv6.h:271
#define IPV6_MULTICAST_FILTER_SIZE
Definition: ipv6.h:100
uint8_t options[]
Definition: ipv6.h:287
uint8_t authData[]
Definition: ipv6.h:342
error_t ipv6GetDefaultRouter(NetInterface *interface, uint_t index, Ipv6Addr *addr)
Retrieve default router.
Definition: ipv6.c:759
#define IPV6_DNS_SERVER_LIST_SIZE
Definition: ipv6.h:93
error_t ipv6LeaveMulticastGroup(NetInterface *interface, const Ipv6Addr *groupAddr)
Leave an IPv6 multicast group.
Definition: ipv6.c:2137
Ipv6DestOptHeader
Definition: ipv6.h:300
error_t ipv6StringToAddr(const char_t *str, Ipv6Addr *ipAddr)
Convert a string representation of an IPv6 address to a binary IPv6 address.
Definition: ipv6.c:2213
Ipv6AddrScope
IPv6 address scopes.
Definition: ipv6.h:150
@ IPV6_ADDR_SCOPE_LINK_LOCAL
Definition: ipv6.h:152
@ IPV6_ADDR_SCOPE_INTERFACE_LOCAL
Definition: ipv6.h:151
@ IPV6_ADDR_SCOPE_ORGANIZATION_LOCAL
Definition: ipv6.h:155
@ IPV6_ADDR_SCOPE_ADMIN_LOCAL
Definition: ipv6.h:153
@ IPV6_ADDR_SCOPE_SITE_LOCAL
Definition: ipv6.h:154
@ IPV6_ADDR_SCOPE_GLOBAL
Definition: ipv6.h:156
const Ipv6Addr IPV6_LINK_LOCAL_ALL_NODES_ADDR
Definition: ipv6.c:73
Ipv6OptionType
IPv6 option types.
Definition: ipv6.h:210
@ IPV6_OPTION_TYPE_PAD1
Definition: ipv6.h:212
@ IPV6_OPTION_TYPE_MASK
Definition: ipv6.h:211
@ IPV6_OPTION_TYPE_PADN
Definition: ipv6.h:213
Ipv6Actions
Actions to be taken for unrecognized options.
Definition: ipv6.h:222
@ IPV6_ACTION_DISCARD_PACKET
Definition: ipv6.h:225
@ IPV6_ACTION_SEND_ICMP_ERROR_UNI
Definition: ipv6.h:227
@ IPV6_ACTION_SKIP_OPTION
Definition: ipv6.h:224
@ IPV6_ACTION_SEND_ICMP_ERROR_ALL
Definition: ipv6.h:226
@ IPV6_ACTION_MASK
Definition: ipv6.h:223
Ipv6HopByHopOptHeader
Definition: ipv6.h:288
#define IPV6_PREFIX_LIST_SIZE
Definition: ipv6.h:79
error_t ipv6SetLinkLocalAddr(NetInterface *interface, const Ipv6Addr *addr)
Assign link-local address.
Definition: ipv6.c:247
char_t * ipv6AddrToString(const Ipv6Addr *ipAddr, char_t *str)
Convert a binary IPv6 address to a string representation.
Definition: ipv6.c:2368
error_t ipv6ParseRoutingHeader(NetInterface *interface, const NetBuffer *ipPacket, size_t ipPacketOffset, size_t *headerOffset, size_t *nextHeaderOffset)
Parse Routing header.
Definition: ipv6.c:1430
const Ipv6Addr IPV6_LINK_LOCAL_ADDR_PREFIX
Definition: ipv6.c:81
error_t ipv6ParseOptions(NetInterface *interface, const NetBuffer *ipPacket, size_t ipPacketOffset, size_t optionOffset, size_t optionLen)
Parse IPv6 options.
Definition: ipv6.c:1541
const Ipv6Addr IPV6_UNSPECIFIED_ADDR
Definition: ipv6.c:65
const Ipv6Addr IPV6_LINK_LOCAL_ALL_ROUTERS_ADDR
Definition: ipv6.c:77
#define IPV6_ADDR_LIST_SIZE
Definition: ipv6.h:65
error_t ipv6SetMtu(NetInterface *interface, size_t mtu)
Change the MTU of a network interface.
Definition: ipv6.c:149
error_t ipv6SendDatagram(NetInterface *interface, const Ipv6PseudoHeader *pseudoHeader, NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
Send an IPv6 datagram.
Definition: ipv6.c:1667
error_t ipv6SetDefaultRouter(NetInterface *interface, uint_t index, const Ipv6Addr *addr)
Configure default router.
Definition: ipv6.c:702
#define IPV6_ANYCAST_ADDR_LIST_SIZE
Definition: ipv6.h:72
Ipv6Addr destAddr
Definition: ipv6.h:274
uint8_t version
Definition: ipv6.h:265
uint8_t segmentsLeft
Definition: ipv6.h:312
error_t ipv6JoinMulticastGroup(NetInterface *interface, const Ipv6Addr *groupAddr)
Join an IPv6 multicast group.
Definition: ipv6.c:2027
Ipv6Addr srcAddr
Definition: ipv6.h:273
Ipv6FragmentOffset
IPv6 fragment offset field.
Definition: ipv6.h:197
@ IPV6_FLAG_RES2
Definition: ipv6.h:200
@ IPV6_OFFSET_MASK
Definition: ipv6.h:198
@ IPV6_FLAG_RES1
Definition: ipv6.h:199
@ IPV6_FLAG_M
Definition: ipv6.h:201
error_t ipv6SetDnsServer(NetInterface *interface, uint_t index, const Ipv6Addr *addr)
Configure DNS server.
Definition: ipv6.c:810
__packed_struct _Ipv6Header
IPv6 header.
Definition: ipv6.h:257
typedef __packed_struct
IPv6 network address.
Definition: ipv6.h:242
Ipv6EspHeader
Definition: ipv6.h:355
void ipv6LinkChangeEvent(NetInterface *interface)
Callback function for link change event.
Definition: ipv6.c:876
Ipv6AddrState
IPv6 address state.
Definition: ipv6.h:165
@ IPV6_ADDR_STATE_DEPRECATED
An address assigned to an interface whose use is discouraged.
Definition: ipv6.h:169
@ IPV6_ADDR_STATE_PREFERRED
An address assigned to an interface whose use is unrestricted.
Definition: ipv6.h:168
@ IPV6_ADDR_STATE_INVALID
An address that is not assigned to any interface.
Definition: ipv6.h:166
@ IPV6_ADDR_STATE_TENTATIVE
An address whose uniqueness on a link is being verified.
Definition: ipv6.h:167
__packed_struct _Ipv6PseudoHeader
IPv6 pseudo header.
Definition: ipv6.h:375
const Ipv6Addr IPV6_LOOPBACK_ADDR
Definition: ipv6.c:69
void ipv6DumpHeader(const Ipv6Header *ipHeader)
Dump IPv6 header for debugging purpose.
Definition: ipv6.c:2439
uint32_t reserved
Definition: ipv6.h:313
#define Ipv6Header
Definition: ipv6.h:36
error_t ipv6GetLinkLocalAddr(NetInterface *interface, Ipv6Addr *addr)
Retrieve link-local address.
Definition: ipv6.c:285
error_t ipv6ParseHopByHopOptHeader(NetInterface *interface, const NetBuffer *ipPacket, size_t ipPacketOffset, size_t *headerOffset, size_t *nextHeaderOffset)
Parse Hop-by-Hop Options header.
Definition: ipv6.c:1289
error_t ipv6ParseAhHeader(NetInterface *interface, const NetBuffer *ipPacket, size_t ipPacketOffset, size_t *headerOffset, size_t *nextHeaderOffset)
Parse AH header.
Definition: ipv6.c:1501
error_t ipv6GetDnsServer(NetInterface *interface, uint_t index, Ipv6Addr *addr)
Retrieve DNS server.
Definition: ipv6.c:844
error_t ipv6SendPacket(NetInterface *interface, const Ipv6PseudoHeader *pseudoHeader, uint32_t fragId, size_t fragOffset, NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
Send an IPv6 packet.
Definition: ipv6.c:1737
uint16_t fragmentOffset
Definition: ipv6.h:326
Ipv6AddrState ipv6GetLinkLocalAddrState(NetInterface *interface)
Get the state of the link-local address.
Definition: ipv6.c:326
uint16_t payloadLen
Definition: ipv6.h:270
uint8_t length
Definition: ipv6.h:365
error_t ipv6SetAnycastAddr(NetInterface *interface, uint_t index, const Ipv6Addr *addr)
Assign anycast address.
Definition: ipv6.c:470
Ipv6AuthHeader
Definition: ipv6.h:343
#define IPV6_ROUTER_LIST_SIZE
Definition: ipv6.h:86
uint32_t securityParamIndex
Definition: ipv6.h:340
IPv6 fragmentation and reassembly.
#define IPV6_MAX_FRAG_DATAGRAMS
Definition: ipv6_frag.h:62
uint8_t b
Definition: nbns_common.h:102
Ipv4Addr addr
Definition: nbns_common.h:121
uint8_t ipPacket[]
Definition: ndp.h:429
TCP/IP stack core.
#define NetInterface
Definition: net.h:36
#define NetRxAncillary
Definition: net_misc.h:40
#define NetTxAncillary
Definition: net_misc.h:36
uint32_t systime_t
System time.
IPv6 address entry.
Definition: ipv6.h:395
systime_t timestamp
Timestamp to manage entry lifetime.
Definition: ipv6.h:402
bool_t permanent
Permanently assigned address.
Definition: ipv6.h:401
bool_t duplicate
The address is a duplicate.
Definition: ipv6.h:398
Ipv6AddrState state
IPv6 address state.
Definition: ipv6.h:397
systime_t preferredLifetime
Preferred lifetime.
Definition: ipv6.h:400
systime_t validLifetime
Valid lifetime.
Definition: ipv6.h:399
uint_t dadRetransmitCount
Retransmission counter for Duplicate Address Detection.
Definition: ipv6.h:404
systime_t dadTimeout
Timeout value for Duplicate Address Detection.
Definition: ipv6.h:403
Ipv6Addr addr
IPv6 address.
Definition: ipv6.h:396
IPv6 context.
Definition: ipv6.h:458
bool_t isRouter
A flag indicating whether routing is enabled on this interface.
Definition: ipv6.h:460
uint32_t identification
IPv6 fragment identification field.
Definition: ipv6.h:472
bool_t enableEchoReq
Support for ICMPv6 Echo Request messages.
Definition: ipv6.h:463
uint8_t curHopLimit
Current Hop Limit value.
Definition: ipv6.h:462
uint8_t defaultHopLimit
Default Hop Limit value.
Definition: ipv6.h:461
bool_t enableMulticastEchoReq
Support for multicast ICMPv6 Echo Request messages.
Definition: ipv6.h:464
size_t linkMtu
Maximum transmission unit.
Definition: ipv6.h:459
IPv6 multicast filter entry.
Definition: ipv6.h:444
uint_t state
MLD node state.
Definition: ipv6.h:447
bool_t flag
MLD flag.
Definition: ipv6.h:448
systime_t timer
Delay timer.
Definition: ipv6.h:449
uint_t refCount
Reference count for the current entry.
Definition: ipv6.h:446
Ipv6Addr addr
Multicast address.
Definition: ipv6.h:445
Fragmented packet descriptor.
Definition: ipv6_frag.h:131
Prefix list entry.
Definition: ipv6.h:413
systime_t timestamp
Timestamp to manage entry lifetime.
Definition: ipv6.h:421
bool_t permanent
Permanently assigned prefix.
Definition: ipv6.h:420
systime_t preferredLifetime
Preferred lifetime.
Definition: ipv6.h:419
systime_t validLifetime
Valid lifetime.
Definition: ipv6.h:418
Ipv6Addr prefix
IPv6 prefix information.
Definition: ipv6.h:414
bool_t onLinkFlag
On-link flag.
Definition: ipv6.h:416
uint8_t prefixLen
IPv6 prefix length.
Definition: ipv6.h:415
bool_t autonomousFlag
Autonomous flag.
Definition: ipv6.h:417
Default router list entry.
Definition: ipv6.h:430
systime_t timestamp
Timestamp to manage entry lifetime.
Definition: ipv6.h:435
bool_t permanent
Permanently assigned router.
Definition: ipv6.h:434
systime_t lifetime
Router lifetime.
Definition: ipv6.h:432
uint8_t preference
Preference value.
Definition: ipv6.h:433
Ipv6Addr addr
Router address.
Definition: ipv6.h:431
Structure describing a buffer that spans multiple chunks.
Definition: net_mem.h:89