Zephyr API Documentation 4.0.99
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net_ip.h
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1
7/*
8 * Copyright (c) 2016 Intel Corporation
9 *
10 * SPDX-License-Identifier: Apache-2.0
11 */
12
13#ifndef ZEPHYR_INCLUDE_NET_NET_IP_H_
14#define ZEPHYR_INCLUDE_NET_NET_IP_H_
15
25#include <string.h>
26#include <zephyr/types.h>
27#include <stdbool.h>
28#include <zephyr/sys/util.h>
30#include <zephyr/toolchain.h>
31
33
34#ifdef __cplusplus
35extern "C" {
36#endif
37
39/* Specifying VLAN tag here in order to avoid circular dependencies */
40#define NET_VLAN_TAG_UNSPEC 0x0fff
43/* Protocol families. */
44#define PF_UNSPEC 0
45#define PF_INET 1
46#define PF_INET6 2
47#define PF_PACKET 3
48#define PF_CAN 4
49#define PF_NET_MGMT 5
50#define PF_LOCAL 6
51#define PF_UNIX PF_LOCAL
53/* Address families. */
54#define AF_UNSPEC PF_UNSPEC
55#define AF_INET PF_INET
56#define AF_INET6 PF_INET6
57#define AF_PACKET PF_PACKET
58#define AF_CAN PF_CAN
59#define AF_NET_MGMT PF_NET_MGMT
60#define AF_LOCAL PF_LOCAL
61#define AF_UNIX PF_UNIX
76
86
93
100#define ntohs(x) sys_be16_to_cpu(x)
101
108#define ntohl(x) sys_be32_to_cpu(x)
109
116#define ntohll(x) sys_be64_to_cpu(x)
117
124#define htons(x) sys_cpu_to_be16(x)
125
132#define htonl(x) sys_cpu_to_be32(x)
133
140#define htonll(x) sys_cpu_to_be64(x)
141
143struct in6_addr {
144 union {
148 };
149};
150
152#define NET_IPV6_ADDR_SIZE 16
153
163
165#define NET_IPV4_ADDR_SIZE 4
166
168typedef unsigned short int sa_family_t;
169
171#ifndef __socklen_t_defined
172typedef size_t socklen_t;
173#define __socklen_t_defined
174#endif
175
176/*
177 * Note that the sin_port and sin6_port are in network byte order
178 * in various sockaddr* structs.
179 */
180
188
195
206
210struct sockaddr_in6_ptr {
211 sa_family_t sin6_family;
212 uint16_t sin6_port;
213 struct in6_addr *sin6_addr;
214 uint8_t sin6_scope_id;
215};
216
218struct sockaddr_in_ptr {
219 sa_family_t sin_family;
220 uint16_t sin_port;
221 struct in_addr *sin_addr;
222};
223
225struct sockaddr_ll_ptr {
226 sa_family_t sll_family;
227 uint16_t sll_protocol;
228 int sll_ifindex;
229 uint16_t sll_hatype;
230 uint8_t sll_pkttype;
231 uint8_t sll_halen;
232 uint8_t *sll_addr;
233};
234
236struct sockaddr_un_ptr {
237 sa_family_t sun_family;
238 char *sun_path;
239};
240
241struct sockaddr_can_ptr {
242 sa_family_t can_family;
243 int can_ifindex;
244};
245
248#if !defined(HAVE_IOVEC)
250struct iovec {
251 void *iov_base;
252 size_t iov_len;
253};
254#endif
255
266
268struct cmsghdr {
272 z_max_align_t cmsg_data[];
273};
274
277/* Alignment for headers and data. These are arch specific but define
278 * them here atm if not found already.
279 */
280#if !defined(ALIGN_H)
281#define ALIGN_H(x) ROUND_UP(x, __alignof__(struct cmsghdr))
282#endif
283#if !defined(ALIGN_D)
284#define ALIGN_D(x) ROUND_UP(x, __alignof__(z_max_align_t))
285#endif
286
289#if !defined(CMSG_FIRSTHDR)
295#define CMSG_FIRSTHDR(msghdr) \
296 ((msghdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
297 (struct cmsghdr *)((msghdr)->msg_control) : NULL)
298#endif
299
300#if !defined(CMSG_NXTHDR)
305#define CMSG_NXTHDR(msghdr, cmsg) \
306 (((cmsg) == NULL) ? CMSG_FIRSTHDR(msghdr) : \
307 (((uint8_t *)(cmsg) + ALIGN_H((cmsg)->cmsg_len) + \
308 ALIGN_D(sizeof(struct cmsghdr)) > \
309 (uint8_t *)((msghdr)->msg_control) + (msghdr)->msg_controllen) ? \
310 NULL : \
311 (struct cmsghdr *)((uint8_t *)(cmsg) + \
312 ALIGN_H((cmsg)->cmsg_len))))
313#endif
314
315#if !defined(CMSG_DATA)
323#define CMSG_DATA(cmsg) ((uint8_t *)(cmsg) + ALIGN_D(sizeof(struct cmsghdr)))
324#endif
325
326#if !defined(CMSG_SPACE)
331#define CMSG_SPACE(length) (ALIGN_D(sizeof(struct cmsghdr)) + ALIGN_H(length))
332#endif
333
334#if !defined(CMSG_LEN)
340#define CMSG_LEN(length) (ALIGN_D(sizeof(struct cmsghdr)) + length)
341#endif
342
345/* Packet types. */
346#define PACKET_HOST 0 /* To us */
347#define PACKET_BROADCAST 1 /* To all */
348#define PACKET_MULTICAST 2 /* To group */
349#define PACKET_OTHERHOST 3 /* To someone else */
350#define PACKET_OUTGOING 4 /* Originated by us */
351#define PACKET_LOOPBACK 5
352#define PACKET_FASTROUTE 6
353
354/* ARP protocol HARDWARE identifiers. */
355#define ARPHRD_ETHER 1
356
357/* Note: These macros are defined in a specific order.
358 * The largest sockaddr size is the last one.
359 */
360#if defined(CONFIG_NET_IPV4)
361#undef NET_SOCKADDR_MAX_SIZE
362#undef NET_SOCKADDR_PTR_MAX_SIZE
363#define NET_SOCKADDR_MAX_SIZE (sizeof(struct sockaddr_in))
364#define NET_SOCKADDR_PTR_MAX_SIZE (sizeof(struct sockaddr_in_ptr))
365#endif
366
367#if defined(CONFIG_NET_SOCKETS_PACKET)
368#undef NET_SOCKADDR_MAX_SIZE
369#undef NET_SOCKADDR_PTR_MAX_SIZE
370#define NET_SOCKADDR_MAX_SIZE (sizeof(struct sockaddr_ll))
371#define NET_SOCKADDR_PTR_MAX_SIZE (sizeof(struct sockaddr_ll_ptr))
372#endif
373
374#if defined(CONFIG_NET_IPV6)
375#undef NET_SOCKADDR_MAX_SIZE
376#define NET_SOCKADDR_MAX_SIZE (sizeof(struct sockaddr_in6))
377#if !defined(CONFIG_NET_SOCKETS_PACKET)
378#undef NET_SOCKADDR_PTR_MAX_SIZE
379#define NET_SOCKADDR_PTR_MAX_SIZE (sizeof(struct sockaddr_in6_ptr))
380#endif
381#endif
382
383#if defined(CONFIG_NET_NATIVE_OFFLOADED_SOCKETS)
384#define UNIX_PATH_MAX 108
385#undef NET_SOCKADDR_MAX_SIZE
386/* Define NET_SOCKADDR_MAX_SIZE to be struct of sa_family_t + char[UNIX_PATH_MAX] */
387#define NET_SOCKADDR_MAX_SIZE (UNIX_PATH_MAX+sizeof(sa_family_t))
388#if !defined(CONFIG_NET_SOCKETS_PACKET)
389#undef NET_SOCKADDR_PTR_MAX_SIZE
390#define NET_SOCKADDR_PTR_MAX_SIZE (sizeof(struct sockaddr_un_ptr))
391#endif
392#endif
393
394#if !defined(CONFIG_NET_IPV4)
395#if !defined(CONFIG_NET_IPV6)
396#if !defined(CONFIG_NET_SOCKETS_PACKET)
397#if !defined(CONFIG_NET_NATIVE_OFFLOADED_SOCKETS)
398#define NET_SOCKADDR_MAX_SIZE (sizeof(struct sockaddr_in6))
399#define NET_SOCKADDR_PTR_MAX_SIZE (sizeof(struct sockaddr_in6_ptr))
400#endif
401#endif
402#endif
403#endif
404
408struct sockaddr {
411 char data[NET_SOCKADDR_MAX_SIZE - sizeof(sa_family_t)];
413};
414
417struct sockaddr_ptr {
418 sa_family_t family;
419 char data[NET_SOCKADDR_PTR_MAX_SIZE - sizeof(sa_family_t)];
420};
421
422/* Same as sockaddr in our case */
423struct sockaddr_storage {
424 sa_family_t ss_family;
425 char data[NET_SOCKADDR_MAX_SIZE - sizeof(sa_family_t)];
426};
427
428/* Socket address struct for UNIX domain sockets */
429struct sockaddr_un {
430 sa_family_t sun_family; /* AF_UNIX */
431 char sun_path[NET_SOCKADDR_MAX_SIZE - sizeof(sa_family_t)];
432};
433
434struct net_addr {
435 sa_family_t family;
436 union {
437 struct in6_addr in6_addr;
438 struct in_addr in_addr;
439 };
440};
441
443extern const struct in6_addr in6addr_any;
444
446extern const struct in6_addr in6addr_loopback;
447
451#define IN6ADDR_ANY_INIT { { { 0, 0, 0, 0, 0, 0, 0, 0, 0, \
452 0, 0, 0, 0, 0, 0, 0 } } }
453
455#define IN6ADDR_LOOPBACK_INIT { { { 0, 0, 0, 0, 0, 0, 0, \
456 0, 0, 0, 0, 0, 0, 0, 0, 1 } } }
457
459#define INADDR_ANY 0
460
462#define INADDR_BROADCAST 0xffffffff
463
465#define INADDR_ANY_INIT { { { INADDR_ANY } } }
466
468#define INADDR_LOOPBACK_INIT { { { 127, 0, 0, 1 } } }
469
471#define INET_ADDRSTRLEN 16
475#define INET6_ADDRSTRLEN 46
476
479/* These are for internal usage of the stack */
480#define NET_IPV6_ADDR_LEN sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx")
481#define NET_IPV4_ADDR_LEN sizeof("xxx.xxx.xxx.xxx")
482
490#if defined(CONFIG_NET_NATIVE_IPV6)
491 NET_IPV6_MTU = CONFIG_NET_IPV6_MTU,
492#else
494#endif
495
500};
501
513
514#define NET_MAX_PRIORITIES 8
524
532
546
549struct net_ipv6_hdr {
550 uint8_t vtc;
551 uint8_t tcflow;
552 uint16_t flow;
553 uint16_t len;
554 uint8_t nexthdr;
555 uint8_t hop_limit;
558} __packed;
559
560struct net_ipv6_frag_hdr {
561 uint8_t nexthdr;
562 uint8_t reserved;
563 uint16_t offset;
564 uint32_t id;
565} __packed;
566
567struct net_ipv4_hdr {
568 uint8_t vhl;
569 uint8_t tos;
570 uint16_t len;
571 uint8_t id[2];
572 uint8_t offset[2];
573 uint8_t ttl;
574 uint8_t proto;
575 uint16_t chksum;
578} __packed;
579
580struct net_icmp_hdr {
581 uint8_t type;
582 uint8_t code;
583 uint16_t chksum;
584} __packed;
585
586struct net_udp_hdr {
587 uint16_t src_port;
588 uint16_t dst_port;
589 uint16_t len;
590 uint16_t chksum;
591} __packed;
592
593struct net_tcp_hdr {
594 uint16_t src_port;
595 uint16_t dst_port;
596 uint8_t seq[4];
597 uint8_t ack[4];
598 uint8_t offset;
600 uint8_t wnd[2];
601 uint16_t chksum;
602 uint8_t urg[2];
603 uint8_t optdata[0];
604} __packed;
605
606static inline const char *net_addr_type2str(enum net_addr_type type)
607{
608 switch (type) {
610 return "AUTO";
611 case NET_ADDR_DHCP:
612 return "DHCP";
613 case NET_ADDR_MANUAL:
614 return "MANUAL";
616 return "OVERRIDE";
617 case NET_ADDR_ANY:
618 default:
619 break;
620 }
621
622 return "<unknown>";
623}
624
625/* IPv6 extension headers types */
626#define NET_IPV6_NEXTHDR_HBHO 0
627#define NET_IPV6_NEXTHDR_DESTO 60
628#define NET_IPV6_NEXTHDR_ROUTING 43
629#define NET_IPV6_NEXTHDR_FRAG 44
630#define NET_IPV6_NEXTHDR_NONE 59
631
636union net_ip_header {
637 struct net_ipv4_hdr *ipv4;
638 struct net_ipv6_hdr *ipv6;
639};
640
641union net_proto_header {
642 struct net_udp_hdr *udp;
643 struct net_tcp_hdr *tcp;
644};
645
646#define NET_UDPH_LEN 8 /* Size of UDP header */
647#define NET_TCPH_LEN 20 /* Size of TCP header */
648#define NET_ICMPH_LEN 4 /* Size of ICMP header */
649
650#define NET_IPV6H_LEN 40 /* Size of IPv6 header */
651#define NET_ICMPV6H_LEN NET_ICMPH_LEN /* Size of ICMPv6 header */
652#define NET_IPV6UDPH_LEN (NET_UDPH_LEN + NET_IPV6H_LEN) /* IPv6 + UDP */
653#define NET_IPV6TCPH_LEN (NET_TCPH_LEN + NET_IPV6H_LEN) /* IPv6 + TCP */
654#define NET_IPV6ICMPH_LEN (NET_IPV6H_LEN + NET_ICMPH_LEN) /* ICMPv6 + IPv6 */
655#define NET_IPV6_FRAGH_LEN 8
656
657#define NET_IPV4H_LEN 20 /* Size of IPv4 header */
658#define NET_ICMPV4H_LEN NET_ICMPH_LEN /* Size of ICMPv4 header */
659#define NET_IPV4UDPH_LEN (NET_UDPH_LEN + NET_IPV4H_LEN) /* IPv4 + UDP */
660#define NET_IPV4TCPH_LEN (NET_TCPH_LEN + NET_IPV4H_LEN) /* IPv4 + TCP */
661#define NET_IPV4ICMPH_LEN (NET_IPV4H_LEN + NET_ICMPH_LEN) /* ICMPv4 + IPv4 */
662
663#define NET_IPV6H_LENGTH_OFFSET 0x04 /* Offset of the Length field in the IPv6 header */
664
665#define NET_IPV6_FRAGH_OFFSET_MASK 0xfff8 /* Mask for the 13-bit Fragment Offset field */
666#define NET_IPV4_FRAGH_OFFSET_MASK 0x1fff /* Mask for the 13-bit Fragment Offset field */
667#define NET_IPV4_MORE_FRAG_MASK 0x2000 /* Mask for the 1-bit More Fragments field */
668#define NET_IPV4_DO_NOT_FRAG_MASK 0x4000 /* Mask for the 1-bit Do Not Fragment field */
669
679static inline bool net_ipv6_is_addr_loopback(struct in6_addr *addr)
680{
681 return UNALIGNED_GET(&addr->s6_addr32[0]) == 0 &&
682 UNALIGNED_GET(&addr->s6_addr32[1]) == 0 &&
683 UNALIGNED_GET(&addr->s6_addr32[2]) == 0 &&
684 ntohl(UNALIGNED_GET(&addr->s6_addr32[3])) == 1;
685}
686
694static inline bool net_ipv6_is_addr_mcast(const struct in6_addr *addr)
695{
696 return addr->s6_addr[0] == 0xFF;
697}
698
699struct net_if;
700struct net_if_config;
701
702extern struct net_if_addr *net_if_ipv6_addr_lookup(const struct in6_addr *addr,
703 struct net_if **iface);
704
712static inline bool net_ipv6_is_my_addr(struct in6_addr *addr)
713{
714 return net_if_ipv6_addr_lookup(addr, NULL) != NULL;
715}
716
718 const struct in6_addr *addr, struct net_if **iface);
719
728static inline bool net_ipv6_is_my_maddr(struct in6_addr *maddr)
729{
730 return net_if_ipv6_maddr_lookup(maddr, NULL) != NULL;
731}
732
742static inline bool net_ipv6_is_prefix(const uint8_t *addr1,
743 const uint8_t *addr2,
744 uint8_t length)
745{
746 uint8_t bits = 128 - length;
747 uint8_t bytes = length / 8U;
748 uint8_t remain = bits % 8;
749 uint8_t mask;
750
751 if (length > 128) {
752 return false;
753 }
754
755 if (memcmp(addr1, addr2, bytes)) {
756 return false;
757 }
758
759 if (!remain) {
760 /* No remaining bits, the prefixes are the same as first
761 * bytes are the same.
762 */
763 return true;
764 }
765
766 /* Create a mask that has remaining most significant bits set */
767 mask = (uint8_t)((0xff << (8 - remain)) ^ 0xff) << remain;
768
769 return (addr1[bytes] & mask) == (addr2[bytes] & mask);
770}
771
772
780static inline void net_ipv6_addr_prefix_mask(const uint8_t *inaddr,
781 uint8_t *outaddr,
782 uint8_t prefix_len)
783{
784 uint8_t bits = 128 - prefix_len;
785 uint8_t bytes = prefix_len / 8U;
786 uint8_t remain = bits % 8;
787 uint8_t mask;
788
789 memset(outaddr, 0, 16U);
790 memcpy(outaddr, inaddr, bytes);
791
792 if (!remain) {
793 /* No remaining bits, the prefixes are the same as first
794 * bytes are the same.
795 */
796 return;
797 }
798
799 /* Create a mask that has remaining most significant bits set */
800 mask = (uint8_t)((0xff << (8 - remain)) ^ 0xff) << remain;
801 outaddr[bytes] = inaddr[bytes] & mask;
802}
803
811static inline bool net_ipv4_is_addr_loopback(struct in_addr *addr)
812{
813 return addr->s4_addr[0] == 127U;
814}
815
823static inline bool net_ipv4_is_addr_unspecified(const struct in_addr *addr)
824{
825 return UNALIGNED_GET(&addr->s_addr) == 0;
826}
827
835static inline bool net_ipv4_is_addr_mcast(const struct in_addr *addr)
836{
837 return (ntohl(UNALIGNED_GET(&addr->s_addr)) & 0xF0000000) == 0xE0000000;
838}
839
847static inline bool net_ipv4_is_ll_addr(const struct in_addr *addr)
848{
849 return (ntohl(UNALIGNED_GET(&addr->s_addr)) & 0xFFFF0000) == 0xA9FE0000;
850}
851
861static inline bool net_ipv4_is_private_addr(const struct in_addr *addr)
862{
863 uint32_t masked_24, masked_16, masked_12, masked_10, masked_8;
864
865 masked_24 = ntohl(UNALIGNED_GET(&addr->s_addr)) & 0xFFFFFF00;
866 masked_16 = masked_24 & 0xFFFF0000;
867 masked_12 = masked_24 & 0xFFF00000;
868 masked_10 = masked_24 & 0xFFC00000;
869 masked_8 = masked_24 & 0xFF000000;
870
871 return masked_8 == 0x0A000000 || /* 10.0.0.0/8 */
872 masked_10 == 0x64400000 || /* 100.64.0.0/10 */
873 masked_12 == 0xAC100000 || /* 172.16.0.0/12 */
874 masked_16 == 0xC0A80000 || /* 192.168.0.0/16 */
875 masked_24 == 0xC0000200 || /* 192.0.2.0/24 */
876 masked_24 == 0xC0336400 || /* 192.51.100.0/24 */
877 masked_24 == 0xCB007100; /* 203.0.113.0/24 */
878}
879
888#define net_ipaddr_copy(dest, src) \
889 UNALIGNED_PUT(UNALIGNED_GET(src), dest)
890
897static inline void net_ipv4_addr_copy_raw(uint8_t *dest,
898 const uint8_t *src)
899{
900 net_ipaddr_copy((struct in_addr *)dest, (const struct in_addr *)src);
901}
902
909static inline void net_ipv6_addr_copy_raw(uint8_t *dest,
910 const uint8_t *src)
911{
912 memcpy(dest, src, sizeof(struct in6_addr));
913}
914
923static inline bool net_ipv4_addr_cmp(const struct in_addr *addr1,
924 const struct in_addr *addr2)
925{
926 return UNALIGNED_GET(&addr1->s_addr) == UNALIGNED_GET(&addr2->s_addr);
927}
928
937static inline bool net_ipv4_addr_cmp_raw(const uint8_t *addr1,
938 const uint8_t *addr2)
939{
940 return net_ipv4_addr_cmp((const struct in_addr *)addr1,
941 (const struct in_addr *)addr2);
942}
943
952static inline bool net_ipv6_addr_cmp(const struct in6_addr *addr1,
953 const struct in6_addr *addr2)
954{
955 return !memcmp(addr1, addr2, sizeof(struct in6_addr));
956}
957
966static inline bool net_ipv6_addr_cmp_raw(const uint8_t *addr1,
967 const uint8_t *addr2)
968{
969 return net_ipv6_addr_cmp((const struct in6_addr *)addr1,
970 (const struct in6_addr *)addr2);
971}
972
980static inline bool net_ipv6_is_ll_addr(const struct in6_addr *addr)
981{
982 return UNALIGNED_GET(&addr->s6_addr16[0]) == htons(0xFE80);
983}
984
992static inline bool net_ipv6_is_sl_addr(const struct in6_addr *addr)
993{
994 return UNALIGNED_GET(&addr->s6_addr16[0]) == htons(0xFEC0);
995}
996
997
1005static inline bool net_ipv6_is_ula_addr(const struct in6_addr *addr)
1006{
1007 return addr->s6_addr[0] == 0xFD;
1008}
1009
1017static inline bool net_ipv6_is_global_addr(const struct in6_addr *addr)
1018{
1019 return (addr->s6_addr[0] & 0xE0) == 0x20;
1020}
1021
1031static inline bool net_ipv6_is_private_addr(const struct in6_addr *addr)
1032{
1033 uint32_t masked_32, masked_7;
1034
1035 masked_32 = ntohl(UNALIGNED_GET(&addr->s6_addr32[0]));
1036 masked_7 = masked_32 & 0xfc000000;
1037
1038 return masked_32 == 0x20010db8 || /* 2001:db8::/32 */
1039 masked_7 == 0xfc000000; /* fc00::/7 */
1040}
1041
1048
1055
1062
1063struct net_if;
1064extern bool net_if_ipv4_addr_mask_cmp(struct net_if *iface,
1065 const struct in_addr *addr);
1066
1076static inline bool net_ipv4_addr_mask_cmp(struct net_if *iface,
1077 const struct in_addr *addr)
1078{
1079 return net_if_ipv4_addr_mask_cmp(iface, addr);
1080}
1081
1082extern bool net_if_ipv4_is_addr_bcast(struct net_if *iface,
1083 const struct in_addr *addr);
1084
1093#if defined(CONFIG_NET_NATIVE_IPV4)
1094static inline bool net_ipv4_is_addr_bcast(struct net_if *iface,
1095 const struct in_addr *addr)
1096{
1098 return true;
1099 }
1100
1101 return net_if_ipv4_is_addr_bcast(iface, addr);
1102}
1103#else
1104static inline bool net_ipv4_is_addr_bcast(struct net_if *iface,
1105 const struct in_addr *addr)
1106{
1107 ARG_UNUSED(iface);
1108 ARG_UNUSED(addr);
1109
1110 return false;
1111}
1112#endif
1113
1114extern struct net_if_addr *net_if_ipv4_addr_lookup(const struct in_addr *addr,
1115 struct net_if **iface);
1116
1126static inline bool net_ipv4_is_my_addr(const struct in_addr *addr)
1127{
1128 bool ret;
1129
1130 ret = net_if_ipv4_addr_lookup(addr, NULL) != NULL;
1131 if (!ret) {
1132 ret = net_ipv4_is_addr_bcast(NULL, addr);
1133 }
1134
1135 return ret;
1136}
1137
1145static inline bool net_ipv6_is_addr_unspecified(const struct in6_addr *addr)
1146{
1147 return UNALIGNED_GET(&addr->s6_addr32[0]) == 0 &&
1148 UNALIGNED_GET(&addr->s6_addr32[1]) == 0 &&
1149 UNALIGNED_GET(&addr->s6_addr32[2]) == 0 &&
1150 UNALIGNED_GET(&addr->s6_addr32[3]) == 0;
1151}
1152
1161static inline bool net_ipv6_is_addr_solicited_node(const struct in6_addr *addr)
1162{
1163 return UNALIGNED_GET(&addr->s6_addr32[0]) == htonl(0xff020000) &&
1164 UNALIGNED_GET(&addr->s6_addr32[1]) == 0x00000000 &&
1165 UNALIGNED_GET(&addr->s6_addr32[2]) == htonl(0x00000001) &&
1166 ((UNALIGNED_GET(&addr->s6_addr32[3]) & htonl(0xff000000)) ==
1167 htonl(0xff000000));
1168}
1169
1180static inline bool net_ipv6_is_addr_mcast_scope(const struct in6_addr *addr,
1181 int scope)
1182{
1183 return (addr->s6_addr[0] == 0xff) && ((addr->s6_addr[1] & 0xF) == scope);
1184}
1185
1195static inline bool net_ipv6_is_same_mcast_scope(const struct in6_addr *addr_1,
1196 const struct in6_addr *addr_2)
1197{
1198 return (addr_1->s6_addr[0] == 0xff) && (addr_2->s6_addr[0] == 0xff) &&
1199 (addr_1->s6_addr[1] == addr_2->s6_addr[1]);
1200}
1201
1209static inline bool net_ipv6_is_addr_mcast_global(const struct in6_addr *addr)
1210{
1211 return net_ipv6_is_addr_mcast_scope(addr, 0x0e);
1212}
1213
1223static inline bool net_ipv6_is_addr_mcast_iface(const struct in6_addr *addr)
1224{
1225 return net_ipv6_is_addr_mcast_scope(addr, 0x01);
1226}
1227
1237static inline bool net_ipv6_is_addr_mcast_link(const struct in6_addr *addr)
1238{
1239 return net_ipv6_is_addr_mcast_scope(addr, 0x02);
1240}
1241
1251static inline bool net_ipv6_is_addr_mcast_mesh(const struct in6_addr *addr)
1252{
1253 return net_ipv6_is_addr_mcast_scope(addr, 0x03);
1254}
1255
1265static inline bool net_ipv6_is_addr_mcast_site(const struct in6_addr *addr)
1266{
1267 return net_ipv6_is_addr_mcast_scope(addr, 0x05);
1268}
1269
1279static inline bool net_ipv6_is_addr_mcast_org(const struct in6_addr *addr)
1280{
1281 return net_ipv6_is_addr_mcast_scope(addr, 0x08);
1282}
1283
1294static inline bool net_ipv6_is_addr_mcast_group(const struct in6_addr *addr,
1295 const struct in6_addr *group)
1296{
1297 return UNALIGNED_GET(&addr->s6_addr16[1]) == group->s6_addr16[1] &&
1298 UNALIGNED_GET(&addr->s6_addr16[2]) == group->s6_addr16[2] &&
1299 UNALIGNED_GET(&addr->s6_addr16[3]) == group->s6_addr16[3] &&
1300 UNALIGNED_GET(&addr->s6_addr32[1]) == group->s6_addr32[1] &&
1301 UNALIGNED_GET(&addr->s6_addr32[2]) == group->s6_addr32[1] &&
1302 UNALIGNED_GET(&addr->s6_addr32[3]) == group->s6_addr32[3];
1303}
1304
1313static inline bool
1315{
1316 static const struct in6_addr all_nodes_mcast_group = {
1317 { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1318 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } }
1319 };
1320
1321 return net_ipv6_is_addr_mcast_group(addr, &all_nodes_mcast_group);
1322}
1323
1333static inline bool
1339
1349static inline bool
1355
1363static inline
1365 struct in6_addr *dst)
1366{
1367 dst->s6_addr[0] = 0xFF;
1368 dst->s6_addr[1] = 0x02;
1369 UNALIGNED_PUT(0, &dst->s6_addr16[1]);
1370 UNALIGNED_PUT(0, &dst->s6_addr16[2]);
1371 UNALIGNED_PUT(0, &dst->s6_addr16[3]);
1372 UNALIGNED_PUT(0, &dst->s6_addr16[4]);
1373 dst->s6_addr[10] = 0U;
1374 dst->s6_addr[11] = 0x01;
1375 dst->s6_addr[12] = 0xFF;
1376 dst->s6_addr[13] = src->s6_addr[13];
1377 UNALIGNED_PUT(UNALIGNED_GET(&src->s6_addr16[7]), &dst->s6_addr16[7]);
1378}
1379
1392static inline void net_ipv6_addr_create(struct in6_addr *addr,
1393 uint16_t addr0, uint16_t addr1,
1394 uint16_t addr2, uint16_t addr3,
1395 uint16_t addr4, uint16_t addr5,
1396 uint16_t addr6, uint16_t addr7)
1397{
1398 UNALIGNED_PUT(htons(addr0), &addr->s6_addr16[0]);
1399 UNALIGNED_PUT(htons(addr1), &addr->s6_addr16[1]);
1400 UNALIGNED_PUT(htons(addr2), &addr->s6_addr16[2]);
1401 UNALIGNED_PUT(htons(addr3), &addr->s6_addr16[3]);
1402 UNALIGNED_PUT(htons(addr4), &addr->s6_addr16[4]);
1403 UNALIGNED_PUT(htons(addr5), &addr->s6_addr16[5]);
1404 UNALIGNED_PUT(htons(addr6), &addr->s6_addr16[6]);
1405 UNALIGNED_PUT(htons(addr7), &addr->s6_addr16[7]);
1406}
1407
1413static inline void net_ipv6_addr_create_ll_allnodes_mcast(struct in6_addr *addr)
1414{
1415 net_ipv6_addr_create(addr, 0xff02, 0, 0, 0, 0, 0, 0, 0x0001);
1416}
1417
1424{
1425 net_ipv6_addr_create(addr, 0xff02, 0, 0, 0, 0, 0, 0, 0x0002);
1426}
1427
1434static inline void net_ipv6_addr_create_v4_mapped(const struct in_addr *addr4,
1435 struct in6_addr *addr6)
1436{
1437 net_ipv6_addr_create(addr6, 0, 0, 0, 0, 0, 0xffff,
1438 ntohs(addr4->s4_addr16[0]),
1439 ntohs(addr4->s4_addr16[1]));
1440}
1441
1450static inline bool net_ipv6_addr_is_v4_mapped(const struct in6_addr *addr)
1451{
1452 if (UNALIGNED_GET(&addr->s6_addr32[0]) == 0 &&
1453 UNALIGNED_GET(&addr->s6_addr32[1]) == 0 &&
1454 UNALIGNED_GET(&addr->s6_addr16[5]) == 0xffff) {
1455 return true;
1456 }
1457
1458 return false;
1459}
1460
1480 const struct in6_addr *prefix,
1481 uint8_t *network_id, size_t network_id_len,
1482 uint8_t dad_counter,
1483 struct in6_addr *addr,
1484 struct net_linkaddr *lladdr);
1485
1492static inline void net_ipv6_addr_create_iid(struct in6_addr *addr,
1493 struct net_linkaddr *lladdr)
1494{
1495 (void)net_ipv6_addr_generate_iid(NULL, NULL, NULL, 0, 0, addr, lladdr);
1496}
1497
1503static inline bool net_ipv6_addr_based_on_ll(const struct in6_addr *addr,
1504 const struct net_linkaddr *lladdr)
1505{
1506 if (!addr || !lladdr) {
1507 return false;
1508 }
1509
1510 switch (lladdr->len) {
1511 case 2:
1512 if (!memcmp(&addr->s6_addr[14], lladdr->addr, lladdr->len) &&
1513 addr->s6_addr[8] == 0U &&
1514 addr->s6_addr[9] == 0U &&
1515 addr->s6_addr[10] == 0U &&
1516 addr->s6_addr[11] == 0xff &&
1517 addr->s6_addr[12] == 0xfe) {
1518 return true;
1519 }
1520
1521 break;
1522 case 6:
1523 if (lladdr->type == NET_LINK_ETHERNET) {
1524 if (!memcmp(&addr->s6_addr[9], &lladdr->addr[1], 2) &&
1525 !memcmp(&addr->s6_addr[13], &lladdr->addr[3], 3) &&
1526 addr->s6_addr[11] == 0xff &&
1527 addr->s6_addr[12] == 0xfe &&
1528 (addr->s6_addr[8] ^ 0x02) == lladdr->addr[0]) {
1529 return true;
1530 }
1531 }
1532
1533 break;
1534 case 8:
1535 if (!memcmp(&addr->s6_addr[9], &lladdr->addr[1],
1536 lladdr->len - 1) &&
1537 (addr->s6_addr[8] ^ 0x02) == lladdr->addr[0]) {
1538 return true;
1539 }
1540
1541 break;
1542 }
1543
1544 return false;
1545}
1546
1555static inline struct sockaddr_in6 *net_sin6(const struct sockaddr *addr)
1556{
1557 return (struct sockaddr_in6 *)addr;
1558}
1559
1568static inline struct sockaddr_in *net_sin(const struct sockaddr *addr)
1569{
1570 return (struct sockaddr_in *)addr;
1571}
1572
1581static inline
1582struct sockaddr_in6_ptr *net_sin6_ptr(const struct sockaddr_ptr *addr)
1583{
1584 return (struct sockaddr_in6_ptr *)addr;
1585}
1586
1595static inline
1596struct sockaddr_in_ptr *net_sin_ptr(const struct sockaddr_ptr *addr)
1597{
1598 return (struct sockaddr_in_ptr *)addr;
1599}
1600
1609static inline
1610struct sockaddr_ll_ptr *net_sll_ptr(const struct sockaddr_ptr *addr)
1611{
1612 return (struct sockaddr_ll_ptr *)addr;
1613}
1614
1623static inline
1624struct sockaddr_can_ptr *net_can_ptr(const struct sockaddr_ptr *addr)
1625{
1626 return (struct sockaddr_can_ptr *)addr;
1627}
1628
1642__syscall int net_addr_pton(sa_family_t family, const char *src, void *dst);
1643
1655__syscall char *net_addr_ntop(sa_family_t family, const void *src,
1656 char *dst, size_t size);
1657
1679bool net_ipaddr_parse(const char *str, size_t str_len,
1680 struct sockaddr *addr);
1681
1691int net_port_set_default(struct sockaddr *addr, uint16_t default_port);
1692
1704static inline int32_t net_tcp_seq_cmp(uint32_t seq1, uint32_t seq2)
1705{
1706 return (int32_t)(seq1 - seq2);
1707}
1708
1719static inline bool net_tcp_seq_greater(uint32_t seq1, uint32_t seq2)
1720{
1721 return net_tcp_seq_cmp(seq1, seq2) > 0;
1722}
1723
1735int net_bytes_from_str(uint8_t *buf, int buf_len, const char *src);
1736
1746
1756
1765static inline enum net_priority net_vlan2priority(uint8_t priority)
1766{
1767 /* Map according to IEEE 802.1Q */
1768 static const uint8_t vlan2priority[] = {
1777 };
1778
1779 if (priority >= ARRAY_SIZE(vlan2priority)) {
1780 /* Use Best Effort as the default priority */
1781 return NET_PRIORITY_BE;
1782 }
1783
1784 return (enum net_priority)vlan2priority[priority];
1785}
1786
1794static inline uint8_t net_priority2vlan(enum net_priority priority)
1795{
1796 /* The conversion works both ways */
1797 return (uint8_t)net_vlan2priority(priority);
1798}
1799
1808const char *net_family2str(sa_family_t family);
1809
1820#if defined(CONFIG_NET_IPV6_PE)
1821int net_ipv6_pe_add_filter(struct in6_addr *addr, bool is_denylist);
1822#else
1823static inline int net_ipv6_pe_add_filter(struct in6_addr *addr,
1824 bool is_denylist)
1825{
1826 ARG_UNUSED(addr);
1827 ARG_UNUSED(is_denylist);
1828
1829 return -ENOTSUP;
1830}
1831#endif /* CONFIG_NET_IPV6_PE */
1832
1840#if defined(CONFIG_NET_IPV6_PE)
1841int net_ipv6_pe_del_filter(struct in6_addr *addr);
1842#else
1843static inline int net_ipv6_pe_del_filter(struct in6_addr *addr)
1844{
1845 ARG_UNUSED(addr);
1846
1847 return -ENOTSUP;
1848}
1849#endif /* CONFIG_NET_IPV6_PE */
1850
1851#ifdef __cplusplus
1852}
1853#endif
1854
1855#include <zephyr/syscalls/net_ip.h>
1856
1862#endif /* ZEPHYR_INCLUDE_NET_NET_IP_H_ */
static bool net_ipv6_is_my_addr(struct in6_addr *addr)
Check if IPv6 address is found in one of the network interfaces.
Definition net_ip.h:712
struct net_if_addr * net_if_ipv4_addr_lookup(const struct in_addr *addr, struct net_if **iface)
static void net_ipv6_addr_create(struct in6_addr *addr, uint16_t addr0, uint16_t addr1, uint16_t addr2, uint16_t addr3, uint16_t addr4, uint16_t addr5, uint16_t addr6, uint16_t addr7)
Construct an IPv6 address from eight 16-bit words.
Definition net_ip.h:1392
static bool net_ipv4_addr_cmp(const struct in_addr *addr1, const struct in_addr *addr2)
Compare two IPv4 addresses.
Definition net_ip.h:923
#define NET_IPV4_ADDR_SIZE
Binary size of the IPv4 address.
Definition net_ip.h:165
struct net_if_addr * net_if_ipv6_addr_lookup(const struct in6_addr *addr, struct net_if **iface)
static bool net_ipv6_is_addr_mcast_org(const struct in6_addr *addr)
Check if the IPv6 address is an organization scope multicast address (FFx8::).
Definition net_ip.h:1279
static enum net_priority net_vlan2priority(uint8_t priority)
Convert network packet VLAN priority to network packet priority so we can place the packet into corre...
Definition net_ip.h:1765
static int net_ipv6_pe_add_filter(struct in6_addr *addr, bool is_denylist)
Add IPv6 prefix as a privacy extension filter.
Definition net_ip.h:1823
static int32_t net_tcp_seq_cmp(uint32_t seq1, uint32_t seq2)
Compare TCP sequence numbers.
Definition net_ip.h:1704
static bool net_ipv6_is_addr_mcast(const struct in6_addr *addr)
Check if the IPv6 address is a multicast address.
Definition net_ip.h:694
#define NET_IPV6_ADDR_SIZE
Binary size of the IPv6 address.
Definition net_ip.h:152
int net_addr_pton(sa_family_t family, const char *src, void *dst)
Convert a string to IP address.
unsigned short int sa_family_t
Socket address family type.
Definition net_ip.h:168
static void net_ipv6_addr_create_ll_allrouters_mcast(struct in6_addr *addr)
Create link local allrouters multicast IPv6 address.
Definition net_ip.h:1423
char * net_addr_ntop(sa_family_t family, const void *src, char *dst, size_t size)
Convert IP address to string form.
net_addr_state
What is the current state of the network address.
Definition net_ip.h:526
static bool net_ipv4_addr_cmp_raw(const uint8_t *addr1, const uint8_t *addr2)
Compare two raw IPv4 address buffers.
Definition net_ip.h:937
static bool net_ipv6_addr_cmp(const struct in6_addr *addr1, const struct in6_addr *addr2)
Compare two IPv6 addresses.
Definition net_ip.h:952
static bool net_ipv6_is_addr_mcast_iface_all_nodes(const struct in6_addr *addr)
Check if the IPv6 address is a interface scope all nodes multicast address (FF01::1).
Definition net_ip.h:1334
static bool net_ipv4_is_my_addr(const struct in_addr *addr)
Check if the IPv4 address is assigned to any network interface in the system.
Definition net_ip.h:1126
static bool net_ipv6_is_same_mcast_scope(const struct in6_addr *addr_1, const struct in6_addr *addr_2)
Check if the IPv6 addresses have the same multicast scope (FFyx::).
Definition net_ip.h:1195
static void net_ipv6_addr_copy_raw(uint8_t *dest, const uint8_t *src)
Copy an IPv6 address raw buffer.
Definition net_ip.h:909
static bool net_ipv6_is_addr_mcast_mesh(const struct in6_addr *addr)
Check if the IPv6 address is a mesh-local scope multicast address (FFx3::).
Definition net_ip.h:1251
static struct sockaddr_in_ptr * net_sin_ptr(const struct sockaddr_ptr *addr)
Get sockaddr_in_ptr from sockaddr_ptr.
Definition net_ip.h:1596
const struct in_addr * net_ipv4_broadcast_address(void)
Return pointer to broadcast (all bits ones) IPv4 address.
static void net_ipv6_addr_prefix_mask(const uint8_t *inaddr, uint8_t *outaddr, uint8_t prefix_len)
Get the IPv6 network address via the unicast address and the prefix mask.
Definition net_ip.h:780
#define htons(x)
Convert 16-bit value from host to network byte order.
Definition net_ip.h:124
static bool net_ipv6_addr_is_v4_mapped(const struct in6_addr *addr)
Is the IPv6 address an IPv4 mapped one.
Definition net_ip.h:1450
bool net_if_ipv4_addr_mask_cmp(struct net_if *iface, const struct in_addr *addr)
static bool net_ipv6_is_addr_mcast_global(const struct in6_addr *addr)
Check if the IPv6 address is a global multicast address (FFxE::/16).
Definition net_ip.h:1209
static void net_ipv6_addr_create_ll_allnodes_mcast(struct in6_addr *addr)
Create link local allnodes multicast IPv6 address.
Definition net_ip.h:1413
static bool net_ipv6_is_addr_solicited_node(const struct in6_addr *addr)
Check if the IPv6 address is solicited node multicast address FF02:0:0:0:0:1:FFXX:XXXX defined in RFC...
Definition net_ip.h:1161
static void net_ipv6_addr_create_solicited_node(const struct in6_addr *src, struct in6_addr *dst)
Create solicited node IPv6 multicast address FF02:0:0:0:0:1:FFXX:XXXX defined in RFC 3513.
Definition net_ip.h:1364
static bool net_ipv6_is_addr_mcast_group(const struct in6_addr *addr, const struct in6_addr *group)
Check if the IPv6 address belongs to certain multicast group.
Definition net_ip.h:1294
static bool net_ipv6_is_addr_mcast_site(const struct in6_addr *addr)
Check if the IPv6 address is a site scope multicast address (FFx5::).
Definition net_ip.h:1265
static bool net_ipv6_is_sl_addr(const struct in6_addr *addr)
Check if the given IPv6 address is a site local address.
Definition net_ip.h:992
static void net_ipv6_addr_create_iid(struct in6_addr *addr, struct net_linkaddr *lladdr)
Create IPv6 address interface identifier.
Definition net_ip.h:1492
static bool net_ipv4_is_private_addr(const struct in_addr *addr)
Check if the given IPv4 address is from a private address range.
Definition net_ip.h:861
static bool net_ipv6_is_addr_mcast_link(const struct in6_addr *addr)
Check if the IPv6 address is a link local scope multicast address (FFx2::).
Definition net_ip.h:1237
static bool net_ipv4_addr_mask_cmp(struct net_if *iface, const struct in_addr *addr)
Check if the given address belongs to same subnet that has been configured for the interface.
Definition net_ip.h:1076
net_ip_protocol_secure
Protocol numbers for TLS protocols.
Definition net_ip.h:78
#define net_ipaddr_copy(dest, src)
Copy an IPv4 or IPv6 address.
Definition net_ip.h:888
static int net_ipv6_pe_del_filter(struct in6_addr *addr)
Delete IPv6 prefix from privacy extension filter list.
Definition net_ip.h:1843
net_ip_mtu
IP Maximum Transfer Unit.
Definition net_ip.h:486
int net_rx_priority2tc(enum net_priority prio)
Convert Rx network packet priority to traffic class so we can place the packet into correct Rx queue.
int net_ipv6_addr_generate_iid(struct net_if *iface, const struct in6_addr *prefix, uint8_t *network_id, size_t network_id_len, uint8_t dad_counter, struct in6_addr *addr, struct net_linkaddr *lladdr)
Generate IPv6 address using a prefix and interface identifier.
static bool net_ipv4_is_addr_loopback(struct in_addr *addr)
Check if the IPv4 address is a loopback address (127.0.0.0/8).
Definition net_ip.h:811
int net_bytes_from_str(uint8_t *buf, int buf_len, const char *src)
Convert a string of hex values to array of bytes.
static uint8_t net_priority2vlan(enum net_priority priority)
Convert network packet priority to network packet VLAN priority.
Definition net_ip.h:1794
static void net_ipv6_addr_create_v4_mapped(const struct in_addr *addr4, struct in6_addr *addr6)
Create IPv4 mapped IPv6 address.
Definition net_ip.h:1434
bool net_if_ipv4_is_addr_bcast(struct net_if *iface, const struct in_addr *addr)
static bool net_ipv6_is_prefix(const uint8_t *addr1, const uint8_t *addr2, uint8_t length)
Check if two IPv6 addresses are same when compared after prefix mask.
Definition net_ip.h:742
bool net_ipaddr_parse(const char *str, size_t str_len, struct sockaddr *addr)
Parse a string that contains either IPv4 or IPv6 address and optional port, and store the information...
int net_port_set_default(struct sockaddr *addr, uint16_t default_port)
Set the default port in the sockaddr structure.
static bool net_ipv6_is_addr_loopback(struct in6_addr *addr)
Check if the IPv6 address is a loopback address (::1).
Definition net_ip.h:679
static bool net_tcp_seq_greater(uint32_t seq1, uint32_t seq2)
Check that one TCP sequence number is greater.
Definition net_ip.h:1719
net_sock_type
Socket type.
Definition net_ip.h:88
const struct in6_addr * net_ipv6_unspecified_address(void)
Return pointer to any (all bits zeros) IPv6 address.
static bool net_ipv6_is_global_addr(const struct in6_addr *addr)
Check if the given IPv6 address is a global address.
Definition net_ip.h:1017
static bool net_ipv6_is_addr_mcast_link_all_nodes(const struct in6_addr *addr)
Check if the IPv6 address is a link local scope all nodes multicast address (FF02::1).
Definition net_ip.h:1350
const char * net_family2str(sa_family_t family)
Return network address family value as a string.
static bool net_ipv4_is_ll_addr(const struct in_addr *addr)
Check if the given IPv4 address is a link local address.
Definition net_ip.h:847
static struct sockaddr_can_ptr * net_can_ptr(const struct sockaddr_ptr *addr)
Get sockaddr_can_ptr from sockaddr_ptr.
Definition net_ip.h:1624
#define ntohl(x)
Convert 32-bit value from network to host byte order.
Definition net_ip.h:108
static bool net_ipv4_is_addr_bcast(struct net_if *iface, const struct in_addr *addr)
Check if the given IPv4 address is a broadcast address.
Definition net_ip.h:1104
static bool net_ipv6_is_ll_addr(const struct in6_addr *addr)
Check if the given IPv6 address is a link local address.
Definition net_ip.h:980
static struct sockaddr_in * net_sin(const struct sockaddr *addr)
Get sockaddr_in from sockaddr.
Definition net_ip.h:1568
const struct in_addr * net_ipv4_unspecified_address(void)
Return pointer to any (all bits zeros) IPv4 address.
static bool net_ipv6_is_addr_mcast_all_nodes_group(const struct in6_addr *addr)
Check if the IPv6 address belongs to the all nodes multicast group.
Definition net_ip.h:1314
size_t socklen_t
Length of a socket address.
Definition net_ip.h:172
static bool net_ipv6_is_private_addr(const struct in6_addr *addr)
Check if the given IPv6 address is from a private/local address range.
Definition net_ip.h:1031
static struct sockaddr_ll_ptr * net_sll_ptr(const struct sockaddr_ptr *addr)
Get sockaddr_ll_ptr from sockaddr_ptr.
Definition net_ip.h:1610
static struct sockaddr_in6 * net_sin6(const struct sockaddr *addr)
Get sockaddr_in6 from sockaddr.
Definition net_ip.h:1555
#define ntohs(x)
Convert 16-bit value from network to host byte order.
Definition net_ip.h:100
struct net_if_mcast_addr * net_if_ipv6_maddr_lookup(const struct in6_addr *addr, struct net_if **iface)
static bool net_ipv4_is_addr_unspecified(const struct in_addr *addr)
Check if the IPv4 address is unspecified (all bits zero)
Definition net_ip.h:823
static bool net_ipv6_is_addr_mcast_scope(const struct in6_addr *addr, int scope)
Check if the IPv6 address is a given scope multicast address (FFyx::).
Definition net_ip.h:1180
static bool net_ipv6_is_ula_addr(const struct in6_addr *addr)
Check if the given IPv6 address is a unique local address.
Definition net_ip.h:1005
static bool net_ipv6_is_addr_mcast_iface(const struct in6_addr *addr)
Check if the IPv6 address is a interface scope multicast address (FFx1::).
Definition net_ip.h:1223
#define htonl(x)
Convert 32-bit value from host to network byte order.
Definition net_ip.h:132
int net_tx_priority2tc(enum net_priority prio)
Convert Tx network packet priority to traffic class so we can place the packet into correct Tx queue.
static struct sockaddr_in6_ptr * net_sin6_ptr(const struct sockaddr_ptr *addr)
Get sockaddr_in6_ptr from sockaddr_ptr.
Definition net_ip.h:1582
net_priority
Network packet priority settings described in IEEE 802.1Q Annex I.1.
Definition net_ip.h:503
static bool net_ipv4_is_addr_mcast(const struct in_addr *addr)
Check if the IPv4 address is a multicast address.
Definition net_ip.h:835
net_ip_protocol
Protocol numbers from IANA/BSD.
Definition net_ip.h:64
static bool net_ipv6_addr_based_on_ll(const struct in6_addr *addr, const struct net_linkaddr *lladdr)
Check if given address is based on link layer address.
Definition net_ip.h:1503
static void net_ipv4_addr_copy_raw(uint8_t *dest, const uint8_t *src)
Copy an IPv4 address raw buffer.
Definition net_ip.h:897
static bool net_ipv6_is_my_maddr(struct in6_addr *maddr)
Check if IPv6 multicast address is found in one of the network interfaces.
Definition net_ip.h:728
static bool net_ipv6_addr_cmp_raw(const uint8_t *addr1, const uint8_t *addr2)
Compare two raw IPv6 address buffers.
Definition net_ip.h:966
static bool net_ipv6_is_addr_unspecified(const struct in6_addr *addr)
Check if the IPv6 address is unspecified (all bits zero)
Definition net_ip.h:1145
net_addr_type
How the network address is assigned to network interface.
Definition net_ip.h:534
@ NET_ADDR_ANY_STATE
Default (invalid) address type.
Definition net_ip.h:527
@ NET_ADDR_TENTATIVE
Tentative address
Definition net_ip.h:528
@ NET_ADDR_DEPRECATED
Deprecated address
Definition net_ip.h:530
@ NET_ADDR_PREFERRED
Preferred address
Definition net_ip.h:529
@ IPPROTO_TLS_1_1
TLS 1.1 protocol.
Definition net_ip.h:80
@ IPPROTO_TLS_1_0
TLS 1.0 protocol.
Definition net_ip.h:79
@ IPPROTO_DTLS_1_0
DTLS 1.0 protocol.
Definition net_ip.h:83
@ IPPROTO_TLS_1_3
TLS 1.3 protocol.
Definition net_ip.h:82
@ IPPROTO_TLS_1_2
TLS 1.2 protocol.
Definition net_ip.h:81
@ IPPROTO_DTLS_1_2
DTLS 1.2 protocol.
Definition net_ip.h:84
@ NET_IPV4_MTU
IPv4 MTU length.
Definition net_ip.h:499
@ NET_IPV6_MTU
IPv6 MTU length.
Definition net_ip.h:493
@ SOCK_DGRAM
Datagram socket type.
Definition net_ip.h:90
@ SOCK_RAW
RAW socket type
Definition net_ip.h:91
@ SOCK_STREAM
Stream socket type
Definition net_ip.h:89
@ NET_PRIORITY_NC
Network control (highest)
Definition net_ip.h:511
@ NET_PRIORITY_IC
Internetwork control
Definition net_ip.h:510
@ NET_PRIORITY_CA
Critical applications
Definition net_ip.h:507
@ NET_PRIORITY_VO
Voice, < 10 ms latency and jitter
Definition net_ip.h:509
@ NET_PRIORITY_VI
Video, < 100 ms latency and jitter.
Definition net_ip.h:508
@ NET_PRIORITY_BE
Best effort (default)
Definition net_ip.h:505
@ NET_PRIORITY_EE
Excellent effort
Definition net_ip.h:506
@ NET_PRIORITY_BK
Background (lowest)
Definition net_ip.h:504
@ IPPROTO_IP
IP protocol (pseudo-val for setsockopt()
Definition net_ip.h:65
@ IPPROTO_RAW
RAW IP packets
Definition net_ip.h:74
@ IPPROTO_IPIP
IPIP tunnels
Definition net_ip.h:69
@ IPPROTO_TCP
TCP protocol
Definition net_ip.h:70
@ IPPROTO_IGMP
IGMP protocol
Definition net_ip.h:67
@ IPPROTO_ICMP
ICMP protocol
Definition net_ip.h:66
@ IPPROTO_IPV6
IPv6 protocol
Definition net_ip.h:72
@ IPPROTO_ETH_P_ALL
Every packet.
Definition net_ip.h:68
@ IPPROTO_UDP
UDP protocol
Definition net_ip.h:71
@ IPPROTO_ICMPV6
ICMPv6 protocol.
Definition net_ip.h:73
@ NET_ADDR_ANY
Default value.
Definition net_ip.h:536
@ NET_ADDR_OVERRIDABLE
Manually set address which is overridable by DHCP.
Definition net_ip.h:544
@ NET_ADDR_DHCP
Address is from DHCP.
Definition net_ip.h:540
@ NET_ADDR_MANUAL
Manually set address.
Definition net_ip.h:542
@ NET_ADDR_AUTOCONF
Auto configured address.
Definition net_ip.h:538
@ NET_LINK_ETHERNET
Ethernet link address.
Definition net_linkaddr.h:57
#define ARRAY_SIZE(array)
Number of elements in the given array.
Definition util.h:120
#define ENOTSUP
Unsupported value.
Definition errno.h:114
Public API for network link address.
flags
Definition parser.h:96
__UINT32_TYPE__ uint32_t
Definition stdint.h:90
__INT32_TYPE__ int32_t
Definition stdint.h:74
__UINT8_TYPE__ uint8_t
Definition stdint.h:88
__UINT16_TYPE__ uint16_t
Definition stdint.h:89
void * memset(void *buf, int c, size_t n)
int memcmp(const void *m1, const void *m2, size_t n)
void * memcpy(void *ZRESTRICT d, const void *ZRESTRICT s, size_t n)
Control message ancillary data.
Definition net_ip.h:268
int cmsg_type
Protocol-specific type.
Definition net_ip.h:271
socklen_t cmsg_len
Number of bytes, including header.
Definition net_ip.h:269
z_max_align_t cmsg_data[]
Flexible array member to force alignment of cmsghdr.
Definition net_ip.h:272
int cmsg_level
Originating protocol.
Definition net_ip.h:270
Group structure.
Definition grp.h:18
IPv6 address struct.
Definition net_ip.h:143
uint8_t s6_addr[16]
IPv6 address buffer.
Definition net_ip.h:145
uint32_t s6_addr32[4]
In big endian.
Definition net_ip.h:147
uint16_t s6_addr16[8]
In big endian.
Definition net_ip.h:146
IPv4 address struct.
Definition net_ip.h:155
uint8_t s4_addr[4]
IPv4 address buffer.
Definition net_ip.h:157
uint32_t s_addr
In big endian, for POSIX compatibility.
Definition net_ip.h:160
uint16_t s4_addr16[2]
In big endian.
Definition net_ip.h:158
uint32_t s4_addr32[1]
In big endian.
Definition net_ip.h:159
IO vector array element.
Definition net_ip.h:250
void * iov_base
Pointer to data.
Definition net_ip.h:251
size_t iov_len
Length of the data.
Definition net_ip.h:252
Message struct.
Definition net_ip.h:257
struct iovec * msg_iov
Scatter/gather array.
Definition net_ip.h:260
socklen_t msg_namelen
Size of socket address.
Definition net_ip.h:259
void * msg_name
Optional socket address, big endian.
Definition net_ip.h:258
int msg_flags
Flags on received message.
Definition net_ip.h:264
size_t msg_controllen
Ancillary data buffer len.
Definition net_ip.h:263
size_t msg_iovlen
Number of elements in msg_iov.
Definition net_ip.h:261
void * msg_control
Ancillary data.
Definition net_ip.h:262
Network Interface unicast IP addresses.
Definition net_if.h:54
IP and other configuration related data for network interface.
Definition net_if.h:567
Network Interface multicast IP addresses.
Definition net_if.h:145
Network Interface structure.
Definition net_if.h:690
Hardware link address structure.
Definition net_linkaddr.h:69
uint8_t * addr
The array of byte representing the address.
Definition net_linkaddr.h:71
uint8_t type
What kind of address is this for.
Definition net_linkaddr.h:77
uint8_t len
Length of that address array.
Definition net_linkaddr.h:74
IPv6/IPv4 network connection tuple.
Definition net_ip.h:517
struct net_addr * remote_addr
IPv6/IPv4 remote address.
Definition net_ip.h:518
uint16_t local_port
UDP/TCP local port
Definition net_ip.h:521
enum net_ip_protocol ip_proto
IP protocol
Definition net_ip.h:522
uint16_t remote_port
UDP/TCP remote port
Definition net_ip.h:520
struct net_addr * local_addr
IPv6/IPv4 local address
Definition net_ip.h:519
Socket address struct for IPv6.
Definition net_ip.h:182
uint8_t sin6_scope_id
Interfaces for a scope.
Definition net_ip.h:186
struct in6_addr sin6_addr
IPv6 address
Definition net_ip.h:185
uint16_t sin6_port
Port number
Definition net_ip.h:184
sa_family_t sin6_family
AF_INET6
Definition net_ip.h:183
Socket address struct for IPv4.
Definition net_ip.h:190
uint16_t sin_port
Port number
Definition net_ip.h:192
struct in_addr sin_addr
IPv4 address.
Definition net_ip.h:193
sa_family_t sin_family
AF_INET
Definition net_ip.h:191
Socket address struct for packet socket.
Definition net_ip.h:197
uint8_t sll_pkttype
Packet type
Definition net_ip.h:202
uint16_t sll_hatype
ARP hardware type
Definition net_ip.h:201
sa_family_t sll_family
Always AF_PACKET
Definition net_ip.h:198
uint16_t sll_protocol
Physical-layer protocol
Definition net_ip.h:199
int sll_ifindex
Interface number
Definition net_ip.h:200
uint8_t sll_halen
Length of address
Definition net_ip.h:203
uint8_t sll_addr[8]
Physical-layer address, big endian.
Definition net_ip.h:204
Generic sockaddr struct.
Definition net_ip.h:408
sa_family_t sa_family
Address family.
Definition net_ip.h:409
Byte order helpers.
Misc utilities.
Macros to abstract toolchain specific capabilities.