IPv6 (Internet Protocol Version 6) More...

#include "core/net.h"
#include "core/ethernet.h"
#include "ipv6/ipv6_frag.h"

Data Structures
struct	Ipv6AddrEntry
	IPv6 address entry. More...

struct	Ipv6PrefixEntry
	Prefix list entry. More...

struct	Ipv6RouterEntry
	Default router list entry. More...

struct	Ipv6SrcAddrList
	Source address list. More...

struct	Ipv6FilterEntry
	IPv6 multicast filter entry. More...

struct	Ipv6Context
	IPv6 context. More...

Macros
#define	Ipv6Header struct _Ipv6Header

#define	Ipv6FragmentHeader struct _Ipv6FragmentHeader

#define	Ipv6PseudoHeader struct _Ipv6PseudoHeader

#define	IPV6_SUPPORT DISABLED

#define	IPV6_DEFAULT_HOP_LIMIT 64

#define	IPV6_ADDR_LIST_SIZE 3

#define	IPV6_ANYCAST_ADDR_LIST_SIZE 1

#define	IPV6_PREFIX_LIST_SIZE 2

#define	IPV6_ROUTER_LIST_SIZE 2

#define	IPV6_DNS_SERVER_LIST_SIZE 2

#define	IPV6_MULTICAST_FILTER_SIZE 8

#define	IPV6_MAX_MULTICAST_SOURCES 0

#define	IPV6_VERSION 6

#define	IPV6_DEFAULT_MTU 1280

#define	IPV6_ADDR(a, b, c, d, e, f, g, h)

#define	ipv6CopyAddr(destIpAddr, srcIpAddr) osMemcpy(destIpAddr, srcIpAddr, sizeof(Ipv6Addr))

#define	ipv6CompAddr(ipAddr1, ipAddr2) (!osMemcmp(ipAddr1, ipAddr2, sizeof(Ipv6Addr)))

#define	ipv6IsLinkLocalUnicastAddr(ipAddr) ((ipAddr)->b[0] == 0xFE && ((ipAddr)->b[1] & 0xC0) == 0x80)

#define	ipv6IsSiteLocalUnicastAddr(ipAddr) ((ipAddr)->b[0] == 0xFE && ((ipAddr)->b[1] & 0xC0) == 0xC0)

#define	ipv6IsMulticastAddr(ipAddr) ((ipAddr)->b[0] == 0xFF)

#define	ipv6IsSolicitedNodeAddr(ipAddr) ipv6CompPrefix(ipAddr, &IPV6_SOLICITED_NODE_ADDR_PREFIX, 104)

Enumerations
enum	Ipv6AddrScope { IPV6_ADDR_SCOPE_INTERFACE_LOCAL = 1, IPV6_ADDR_SCOPE_LINK_LOCAL = 2, IPV6_ADDR_SCOPE_ADMIN_LOCAL = 4, IPV6_ADDR_SCOPE_SITE_LOCAL = 5, IPV6_ADDR_SCOPE_ORGANIZATION_LOCAL = 8, IPV6_ADDR_SCOPE_GLOBAL = 14 }
	IPv6 address scopes. More...

enum	Ipv6AddrState { IPV6_ADDR_STATE_INVALID = 0, IPV6_ADDR_STATE_TENTATIVE = 1, IPV6_ADDR_STATE_PREFERRED = 2, IPV6_ADDR_STATE_DEPRECATED = 3 }
	IPv6 address state. More...

enum	Ipv6NextHeaderType { IPV6_HOP_BY_HOP_OPT_HEADER = 0, IPV6_TCP_HEADER = 6, IPV6_UDP_HEADER = 17, IPV6_ROUTING_HEADER = 43, IPV6_FRAGMENT_HEADER = 44, IPV6_ESP_HEADER = 50, IPV6_AH_HEADER = 51, IPV6_ICMPV6_HEADER = 58, IPV6_NO_NEXT_HEADER = 59, IPV6_DEST_OPT_HEADER = 60 }
	IPv6 Next Header types. More...

enum	Ipv6FragmentOffset { IPV6_OFFSET_MASK = 0xFFF8, IPV6_FLAG_RES1 = 0x0004, IPV6_FLAG_RES2 = 0x0002, IPV6_FLAG_M = 0x0001 }
	IPv6 fragment offset field. More...

enum	Ipv6OptionType { IPV6_OPTION_TYPE_MASK = 0x1F, IPV6_OPTION_TYPE_PAD1 = 0x00, IPV6_OPTION_TYPE_PADN = 0x01, PV6_OPTION_TUNNEL_ENCAPSULATION_LIMIT = 0x04, IPV6_OPTION_TYPE_ROUTER_ALERT = 0x05 }
	IPv6 option types. More...

enum	Ipv6Actions { IPV6_ACTION_MASK = 0xC0, IPV6_ACTION_SKIP_OPTION = 0x00, IPV6_ACTION_DISCARD_PACKET = 0x40, IPV6_ACTION_SEND_ICMP_ERROR_ALL = 0x80, IPV6_ACTION_SEND_ICMP_ERROR_UNI = 0xC0 }
	Actions to be taken for unrecognized options. More...

Functions
error_t	ipv6Init (NetInterface *interface)
	IPv6 related initialization. More...

error_t	ipv6SetMtu (NetInterface *interface, size_t mtu)
	Change the MTU of a network interface. More...

error_t	ipv6GetMtu (NetInterface interface, size_t mtu)
	Retrieve the MTU for the specified interface. More...

error_t	ipv6SetDefaultHopLimit (NetInterface *interface, uint8_t hopLimit)
	Set default Hop Limit value for outgoing IPv6 packets. More...

error_t	ipv6SetLinkLocalAddr (NetInterface interface, const Ipv6Addr addr)
	Assign link-local address. More...

error_t	ipv6GetLinkLocalAddr (NetInterface interface, Ipv6Addr addr)
	Retrieve link-local address. More...

Ipv6AddrState	ipv6GetLinkLocalAddrState (NetInterface *interface)
	Get the state of the link-local address. More...

error_t	ipv6SetGlobalAddr (NetInterface interface, uint_t index, const Ipv6Addr addr)
	Assign global address. More...

error_t	ipv6GetGlobalAddr (NetInterface interface, uint_t index, Ipv6Addr addr)
	Retrieve global address. More...

Ipv6AddrState	ipv6GetGlobalAddrState (NetInterface *interface, uint_t index)
	Get the state of the specified global address. More...

error_t	ipv6SetAnycastAddr (NetInterface interface, uint_t index, const Ipv6Addr addr)
	Assign anycast address. More...

error_t	ipv6GetAnycastAddr (NetInterface interface, uint_t index, Ipv6Addr addr)
	Retrieve anycast address. More...

error_t	ipv6SetPrefix (NetInterface interface, uint_t index, const Ipv6Addr prefix, uint_t length)
	Configure IPv6 prefix. More...

error_t	ipv6GetPrefix (NetInterface interface, uint_t index, Ipv6Addr prefix, uint_t *length)
	Retrieve IPv6 prefix. More...

error_t	ipv6SetDefaultRouter (NetInterface interface, uint_t index, const Ipv6Addr addr)
	Configure default router. More...

error_t	ipv6GetDefaultRouter (NetInterface interface, uint_t index, Ipv6Addr addr)
	Retrieve default router. More...

error_t	ipv6SetDnsServer (NetInterface interface, uint_t index, const Ipv6Addr addr)
	Configure DNS server. More...

error_t	ipv6GetDnsServer (NetInterface interface, uint_t index, Ipv6Addr addr)
	Retrieve DNS server. More...

void	ipv6LinkChangeEvent (NetInterface *interface)
	Callback function for link change event. More...

void	ipv6ProcessPacket (NetInterface interface, NetBuffer ipPacket, size_t ipPacketOffset, NetRxAncillary *ancillary)
	Incoming IPv6 packet processing. More...

error_t	ipv6ParseHopByHopOptHeader (NetInterface interface, const NetBuffer ipPacket, size_t ipPacketOffset, size_t headerOffset, size_t nextHeaderOffset)
	Parse Hop-by-Hop Options header. More...

error_t	ipv6ParseDestOptHeader (NetInterface interface, const NetBuffer ipPacket, size_t ipPacketOffset, size_t headerOffset, size_t nextHeaderOffset)
	Parse Destination Options header. More...

error_t	ipv6ParseRoutingHeader (NetInterface interface, const NetBuffer ipPacket, size_t ipPacketOffset, size_t headerOffset, size_t nextHeaderOffset)
	Parse Routing header. More...

error_t	ipv6ParseAhHeader (NetInterface interface, const NetBuffer ipPacket, size_t ipPacketOffset, size_t headerOffset, size_t nextHeaderOffset)
	Parse AH header. More...

error_t	ipv6ParseEspHeader (NetInterface interface, const NetBuffer ipPacket, size_t ipPacketOffset, size_t headerOffset, size_t nextHeaderOffset)
	Parse ESP header. More...

error_t	ipv6ParseOptions (NetInterface interface, const NetBuffer ipPacket, size_t ipPacketOffset, size_t optionOffset, size_t optionLen)
	Parse IPv6 options. More...

error_t	ipv6SendDatagram (NetInterface interface, const Ipv6PseudoHeader pseudoHeader, NetBuffer buffer, size_t offset, NetTxAncillary ancillary)
	Send an IPv6 datagram. More...

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. More...

error_t	ipv6FormatHopByHopOptHeader (uint8_t nextHeader, NetBuffer buffer, size_t *offset)
	Format Hop-by-Hop Options header. More...

error_t	ipv6FormatFragmentHeader (uint32_t fragId, size_t fragOffset, uint8_t nextHeader, NetBuffer buffer, size_t *offset)
	Format Fragment header. More...

error_t	ipv6StringToAddr (const char_t str, Ipv6Addr ipAddr)
	Convert a string representation of an IPv6 address to a binary IPv6 address. More...

char_t *	ipv6AddrToString (const Ipv6Addr ipAddr, char_t str)
	Convert a binary IPv6 address to a string representation. More...

void	ipv6DumpHeader (const Ipv6Header *ipHeader)
	Dump IPv6 header for debugging purpose. More...

Variables
typedef	__packed_struct
	IPv6 network address. More...

	Ipv6Addr

__packed_struct	_Ipv6Header
	IPv6 header. More...

uint8_t	version

uint8_t	flowLabelH

uint8_t	trafficClassL

uint16_t	flowLabelL

uint16_t	payloadLen

uint8_t	nextHeader

uint8_t	hopLimit

Ipv6Addr	srcAddr

Ipv6Addr	destAddr

uint8_t	payload []

uint8_t	hdrExtLen

uint8_t	options []

	Ipv6HopByHopOptHeader

	Ipv6DestOptHeader

uint8_t	routingType

uint8_t	segmentsLeft

uint32_t	reserved

Ipv6Addr	address []

	Ipv6RoutingHeader

__packed_struct	_Ipv6FragmentHeader
	IPv6 Fragment header. More...

uint16_t	fragmentOffset

uint32_t	identification

uint32_t	securityParamIndex

uint32_t	sequenceNumber

uint8_t	authData []

	Ipv6AuthHeader

uint8_t	payloadData []

	Ipv6EspHeader

uint8_t	length

uint8_t	data []

	Ipv6Option

uint16_t	value

	Ipv6RouterAlertOption

__packed_struct	_Ipv6PseudoHeader
	IPv6 pseudo header. More...

const Ipv6Addr	IPV6_UNSPECIFIED_ADDR

const Ipv6Addr	IPV6_LOOPBACK_ADDR

const Ipv6Addr	IPV6_LINK_LOCAL_ALL_NODES_ADDR

const Ipv6Addr	IPV6_LINK_LOCAL_ALL_ROUTERS_ADDR

const Ipv6Addr	IPV6_LINK_LOCAL_ADDR_PREFIX

const Ipv6Addr	IPV6_SOLICITED_NODE_ADDR_PREFIX

Detailed Description

IPv6 (Internet Protocol Version 6)

License

SPDX-License-Identifier: GPL-2.0-or-later

This file is part of CycloneTCP Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author: Oryx Embedded SARL (www.oryx-embedded.com)

Version: 2.4.4

Definition in file ipv6.h.

Macro Definition Documentation

◆ IPV6_ADDR

#define IPV6_ADDR	(	a,
		b,
		c,
		d,
		e,
		f,
		g,
		h
	)

Value:

   {{{ \
   MSB(a), LSB(a), MSB(b), LSB(b), MSB(c), LSB(c), MSB(d), LSB(d), \
   MSB(e), LSB(e), MSB(f), LSB(f), MSB(g), LSB(g), MSB(h), LSB(h)}}}

Definition at line 118 of file ipv6.h.

◆ IPV6_ADDR_LIST_SIZE

#define IPV6_ADDR_LIST_SIZE 3

Definition at line 65 of file ipv6.h.

◆ IPV6_ANYCAST_ADDR_LIST_SIZE

#define IPV6_ANYCAST_ADDR_LIST_SIZE 1

Definition at line 72 of file ipv6.h.

◆ IPV6_DEFAULT_HOP_LIMIT

#define IPV6_DEFAULT_HOP_LIMIT 64

Definition at line 58 of file ipv6.h.

◆ IPV6_DEFAULT_MTU

#define IPV6_DEFAULT_MTU 1280

Definition at line 115 of file ipv6.h.

◆ IPV6_DNS_SERVER_LIST_SIZE

#define IPV6_DNS_SERVER_LIST_SIZE 2

Definition at line 93 of file ipv6.h.

◆ IPV6_MAX_MULTICAST_SOURCES

#define IPV6_MAX_MULTICAST_SOURCES 0

Definition at line 107 of file ipv6.h.

◆ IPV6_MULTICAST_FILTER_SIZE

#define IPV6_MULTICAST_FILTER_SIZE 8

Definition at line 100 of file ipv6.h.

◆ IPV6_PREFIX_LIST_SIZE

#define IPV6_PREFIX_LIST_SIZE 2

Definition at line 79 of file ipv6.h.

◆ IPV6_ROUTER_LIST_SIZE

#define IPV6_ROUTER_LIST_SIZE 2

Definition at line 86 of file ipv6.h.

◆ IPV6_SUPPORT

#define IPV6_SUPPORT DISABLED

Definition at line 51 of file ipv6.h.

◆ IPV6_VERSION

#define IPV6_VERSION 6

Definition at line 113 of file ipv6.h.

◆ ipv6CompAddr

#define ipv6CompAddr	(	ipAddr1,
		ipAddr2
	)	(!osMemcmp(ipAddr1, ipAddr2, sizeof(Ipv6Addr)))

Definition at line 127 of file ipv6.h.

◆ ipv6CopyAddr

#define ipv6CopyAddr	(	destIpAddr,
		srcIpAddr
	)	osMemcpy(destIpAddr, srcIpAddr, sizeof(Ipv6Addr))

Definition at line 123 of file ipv6.h.

◆ Ipv6FragmentHeader

#define Ipv6FragmentHeader struct _Ipv6FragmentHeader

Definition at line 39 of file ipv6.h.

◆ Ipv6Header

#define Ipv6Header struct _Ipv6Header

Definition at line 36 of file ipv6.h.

◆ ipv6IsLinkLocalUnicastAddr

#define ipv6IsLinkLocalUnicastAddr ( ipAddr ) ((ipAddr)->b[0] == 0xFE && ((ipAddr)->b[1] & 0xC0) == 0x80)

Definition at line 131 of file ipv6.h.

◆ ipv6IsMulticastAddr

#define ipv6IsMulticastAddr ( ipAddr ) ((ipAddr)->b[0] == 0xFF)

Definition at line 139 of file ipv6.h.

◆ ipv6IsSiteLocalUnicastAddr

#define ipv6IsSiteLocalUnicastAddr ( ipAddr ) ((ipAddr)->b[0] == 0xFE && ((ipAddr)->b[1] & 0xC0) == 0xC0)

Definition at line 135 of file ipv6.h.

◆ ipv6IsSolicitedNodeAddr

#define ipv6IsSolicitedNodeAddr ( ipAddr ) ipv6CompPrefix(ipAddr, &IPV6_SOLICITED_NODE_ADDR_PREFIX, 104)

Definition at line 143 of file ipv6.h.

◆ Ipv6PseudoHeader

#define Ipv6PseudoHeader struct _Ipv6PseudoHeader

Definition at line 42 of file ipv6.h.

Enumeration Type Documentation

◆ Ipv6Actions

enum Ipv6Actions

Actions to be taken for unrecognized options.

Enumerator
IPV6_ACTION_MASK
IPV6_ACTION_SKIP_OPTION
IPV6_ACTION_DISCARD_PACKET
IPV6_ACTION_SEND_ICMP_ERROR_ALL
IPV6_ACTION_SEND_ICMP_ERROR_UNI

Definition at line 230 of file ipv6.h.

◆ Ipv6AddrScope

enum Ipv6AddrScope

IPv6 address scopes.

Enumerator
IPV6_ADDR_SCOPE_INTERFACE_LOCAL
IPV6_ADDR_SCOPE_LINK_LOCAL
IPV6_ADDR_SCOPE_ADMIN_LOCAL
IPV6_ADDR_SCOPE_SITE_LOCAL
IPV6_ADDR_SCOPE_ORGANIZATION_LOCAL
IPV6_ADDR_SCOPE_GLOBAL

Definition at line 156 of file ipv6.h.

◆ Ipv6AddrState

enum Ipv6AddrState

IPv6 address state.

Enumerator
IPV6_ADDR_STATE_INVALID	An address that is not assigned to any interface.
IPV6_ADDR_STATE_TENTATIVE	An address whose uniqueness on a link is being verified.
IPV6_ADDR_STATE_PREFERRED	An address assigned to an interface whose use is unrestricted.
IPV6_ADDR_STATE_DEPRECATED	An address assigned to an interface whose use is discouraged.

Definition at line 171 of file ipv6.h.

◆ Ipv6FragmentOffset

enum Ipv6FragmentOffset

IPv6 fragment offset field.

Enumerator
IPV6_OFFSET_MASK
IPV6_FLAG_RES1
IPV6_FLAG_RES2
IPV6_FLAG_M

Definition at line 203 of file ipv6.h.

◆ Ipv6NextHeaderType

enum Ipv6NextHeaderType

IPv6 Next Header types.

Enumerator
IPV6_HOP_BY_HOP_OPT_HEADER
IPV6_TCP_HEADER
IPV6_UDP_HEADER
IPV6_ROUTING_HEADER
IPV6_FRAGMENT_HEADER
IPV6_ESP_HEADER
IPV6_AH_HEADER
IPV6_ICMPV6_HEADER
IPV6_NO_NEXT_HEADER
IPV6_DEST_OPT_HEADER

Definition at line 184 of file ipv6.h.

◆ Ipv6OptionType

enum Ipv6OptionType

IPv6 option types.

Enumerator
IPV6_OPTION_TYPE_MASK
IPV6_OPTION_TYPE_PAD1
IPV6_OPTION_TYPE_PADN
PV6_OPTION_TUNNEL_ENCAPSULATION_LIMIT
IPV6_OPTION_TYPE_ROUTER_ALERT

Definition at line 216 of file ipv6.h.

Function Documentation

◆ ipv6AddrToString()

char_t* ipv6AddrToString	(	const Ipv6Addr *	ipAddr,
		char_t *	str
	)

Convert a binary IPv6 address to a string representation.

Call ipv6AddrToString() to convert an IPv6 address to a text representation. The implementation of ipv6AddrToString() function follows RFC 5952 recommendations

Parameters

[in]	ipAddr	Binary representation of the IPv6 address
[out]	str	NULL-terminated string representing the IPv6 address

Returns: Pointer to the formatted string

Definition at line 2329 of file ipv6.c.

◆ ipv6DumpHeader()

void ipv6DumpHeader ( const Ipv6Header * ipHeader )

Dump IPv6 header for debugging purpose.

Parameters

[in] ipHeader IPv6 header

Definition at line 2400 of file ipv6.c.

◆ ipv6FormatFragmentHeader()

error_t ipv6FormatFragmentHeader	(	uint32_t	fragId,
		size_t	fragOffset,
		uint8_t *	nextHeader,
		NetBuffer *	buffer,
		size_t *	offset
	)

Format Fragment header.

Parameters

[in]	fragId	Fragment identification field
[in]	fragOffset	Fragment offset field
[in,out]	nextHeader	Value of the Next Header field
[in]	buffer	Multi-part buffer containing the payload
[in,out]	offset	Offset to the first payload byte

Returns: Error code

Definition at line 2130 of file ipv6.c.

◆ ipv6FormatHopByHopOptHeader()

error_t ipv6FormatHopByHopOptHeader	(	uint8_t *	nextHeader,
		NetBuffer *	buffer,
		size_t *	offset
	)

Format Hop-by-Hop Options header.

Parameters

[in,out]	nextHeader	Value of the Next Header field
[in]	buffer	Multi-part buffer containing the payload
[in,out]	offset	Offset to the first payload byte

Returns: Error code

Definition at line 2063 of file ipv6.c.

◆ ipv6GetAnycastAddr()

error_t ipv6GetAnycastAddr	(	NetInterface *	interface,
		uint_t	index,
		Ipv6Addr *	addr
	)

Retrieve anycast address.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	Zero-based index
[out]	addr	Anycast address

Returns: Error code

Definition at line 552 of file ipv6.c.

◆ ipv6GetDefaultRouter()

error_t ipv6GetDefaultRouter	(	NetInterface *	interface,
		uint_t	index,
		Ipv6Addr *	addr
	)

Retrieve default router.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	Zero-based index
[out]	addr	Default router address

Returns: Error code

Definition at line 765 of file ipv6.c.

◆ ipv6GetDnsServer()

error_t ipv6GetDnsServer	(	NetInterface *	interface,
		uint_t	index,
		Ipv6Addr *	addr
	)

Retrieve DNS server.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	This parameter selects between the primary and secondary DNS server
[out]	addr	DNS server address

Returns: Error code

Definition at line 852 of file ipv6.c.

◆ ipv6GetGlobalAddr()

error_t ipv6GetGlobalAddr	(	NetInterface *	interface,
		uint_t	index,
		Ipv6Addr *	addr
	)

Retrieve global address.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	Zero-based index
[out]	addr	Global address

Returns: Error code

Definition at line 394 of file ipv6.c.

◆ ipv6GetGlobalAddrState()

Ipv6AddrState ipv6GetGlobalAddrState	(	NetInterface *	interface,
		uint_t	index
	)

Get the state of the specified global address.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	Zero-based index

Returns: Address state

Definition at line 446 of file ipv6.c.

◆ ipv6GetLinkLocalAddr()

error_t ipv6GetLinkLocalAddr	(	NetInterface *	interface,
		Ipv6Addr *	addr
	)

Retrieve link-local address.

Parameters

[in]	interface	Pointer to the desired network interface
[out]	addr	link-local address

Returns: Error code

Definition at line 286 of file ipv6.c.

◆ ipv6GetLinkLocalAddrState()

Ipv6AddrState ipv6GetLinkLocalAddrState ( NetInterface * interface )

Get the state of the link-local address.

Parameters

[in] interface Pointer to the desired network interface

Returns: Address state

Definition at line 327 of file ipv6.c.

◆ ipv6GetMtu()

error_t ipv6GetMtu	(	NetInterface *	interface,
		size_t *	mtu
	)

Retrieve the MTU for the specified interface.

Parameters

[in]	interface	Pointer to the desired network interface
[out]	mtu	Maximum transmit unit

Returns: Error code

Definition at line 195 of file ipv6.c.

◆ ipv6GetPrefix()

error_t ipv6GetPrefix	(	NetInterface *	interface,
		uint_t	index,
		Ipv6Addr *	prefix,
		uint_t *	length
	)

Retrieve IPv6 prefix.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	Zero-based index
[out]	prefix	IPv6 prefix
[out]	length	The number of leading bits in the prefix that are valid

Returns: Error code

Definition at line 652 of file ipv6.c.

◆ ipv6Init()

error_t ipv6Init ( NetInterface * interface )

IPv6 related initialization.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 96 of file ipv6.c.

◆ ipv6LinkChangeEvent()

void ipv6LinkChangeEvent ( NetInterface * interface )

Callback function for link change event.

Parameters

[in] interface Underlying network interface

Definition at line 884 of file ipv6.c.

◆ ipv6ParseAhHeader()

error_t ipv6ParseAhHeader	(	NetInterface *	interface,
		const NetBuffer *	ipPacket,
		size_t	ipPacketOffset,
		size_t *	headerOffset,
		size_t *	nextHeaderOffset
	)

Parse AH header.

Parameters

[in]	interface	Underlying network interface
[in]	ipPacket	Multi-part buffer containing the IPv6 packet
[in]	ipPacketOffset	Offset to the first byte of the IPv6 packet
[in,out]	headerOffset	Offset to the Authentication header
[in,out]	nextHeaderOffset	Offset to the Next Header field

Error code

Definition at line 1535 of file ipv6.c.

◆ ipv6ParseDestOptHeader()

error_t ipv6ParseDestOptHeader	(	NetInterface *	interface,
		const NetBuffer *	ipPacket,
		size_t	ipPacketOffset,
		size_t *	headerOffset,
		size_t *	nextHeaderOffset
	)

Parse Destination Options header.

Parameters

[in]	interface	Underlying network interface
[in]	ipPacket	Multi-part buffer containing the IPv6 packet
[in]	ipPacketOffset	Offset to the first byte of the IPv6 packet
[in,out]	headerOffset	Offset to the Destination Options header
[in,out]	nextHeaderOffset	Offset to the Next Header field

Error code

Definition at line 1399 of file ipv6.c.

◆ ipv6ParseEspHeader()

error_t ipv6ParseEspHeader	(	NetInterface *	interface,
		const NetBuffer *	ipPacket,
		size_t	ipPacketOffset,
		size_t *	headerOffset,
		size_t *	nextHeaderOffset
	)

Parse ESP header.

Parameters

[in]	interface	Underlying network interface
[in]	ipPacket	Multi-part buffer containing the IPv6 packet
[in]	ipPacketOffset	Offset to the first byte of the IPv6 packet
[in,out]	headerOffset	Offset to the Encapsulating Security Payload header
[in,out]	nextHeaderOffset	Offset to the Next Header field

Error code

Definition at line 1556 of file ipv6.c.

◆ ipv6ParseHopByHopOptHeader()

error_t ipv6ParseHopByHopOptHeader	(	NetInterface *	interface,
		const NetBuffer *	ipPacket,
		size_t	ipPacketOffset,
		size_t *	headerOffset,
		size_t *	nextHeaderOffset
	)

Parse Hop-by-Hop Options header.

Parameters

[in]	interface	Underlying network interface
[in]	ipPacket	Multi-part buffer containing the IPv6 packet
[in]	ipPacketOffset	Offset to the first byte of the IPv6 packet
[in,out]	headerOffset	Offset to the Hop-by-Hop Options header
[in,out]	nextHeaderOffset	Offset to the Next Header field

Error code

Definition at line 1320 of file ipv6.c.

◆ ipv6ParseOptions()

error_t ipv6ParseOptions	(	NetInterface *	interface,
		const NetBuffer *	ipPacket,
		size_t	ipPacketOffset,
		size_t	optionOffset,
		size_t	optionLen
	)

Parse IPv6 options.

Parameters

[in]	interface	Underlying network interface
[in]	ipPacket	Multi-part buffer containing the IPv6 packet
[in]	ipPacketOffset	Offset to the first byte of the IPv6 packet
[in]	optionOffset	Offset to the first byte of the Options field
[in]	optionLen	Length of the Options field

Error code

Definition at line 1577 of file ipv6.c.

◆ ipv6ParseRoutingHeader()

error_t ipv6ParseRoutingHeader	(	NetInterface *	interface,
		const NetBuffer *	ipPacket,
		size_t	ipPacketOffset,
		size_t *	headerOffset,
		size_t *	nextHeaderOffset
	)

Parse Routing header.

Parameters

[in]	interface	Underlying network interface
[in]	ipPacket	Multi-part buffer containing the IPv6 packet
[in]	ipPacketOffset	Offset to the first byte of the IPv6 packet
[in,out]	headerOffset	Offset to the Routing header
[in,out]	nextHeaderOffset	Offset to the Next Header field

Error code

Definition at line 1463 of file ipv6.c.

◆ ipv6ProcessPacket()

void ipv6ProcessPacket	(	NetInterface *	interface,
		NetBuffer *	ipPacket,
		size_t	ipPacketOffset,
		NetRxAncillary *	ancillary
	)

Incoming IPv6 packet processing.

Parameters

[in]	interface	Underlying network interface
[in]	ipPacket	Multi-part buffer that holds the incoming IPv6 packet
[in]	ipPacketOffset	Offset to the first byte of the IPv6 packet
[in]	ancillary	Additional options passed to the stack along with the packet

Definition at line 976 of file ipv6.c.

◆ ipv6SendDatagram()

error_t ipv6SendDatagram	(	NetInterface *	interface,
		const Ipv6PseudoHeader *	pseudoHeader,
		NetBuffer *	buffer,
		size_t	offset,
		NetTxAncillary *	ancillary
	)

Send an IPv6 datagram.

Parameters

[in]	interface	Underlying network interface
[in]	pseudoHeader	IPv6 pseudo header
[in]	buffer	Multi-part buffer containing the payload
[in]	offset	Offset to the first byte of the payload
[in]	ancillary	Additional options passed to the stack along with the packet

Returns: Error code

Definition at line 1703 of file ipv6.c.

◆ ipv6SendPacket()

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.

Parameters

[in]	interface	Underlying network interface
[in]	pseudoHeader	IPv6 pseudo header
[in]	fragId	Fragment identification field
[in]	fragOffset	Fragment offset field
[in]	buffer	Multi-part buffer containing the payload
[in]	offset	Offset to the first byte of the payload
[in]	ancillary	Additional options passed to the stack along with the packet

Returns: Error code

Definition at line 1781 of file ipv6.c.

◆ ipv6SetAnycastAddr()

error_t ipv6SetAnycastAddr	(	NetInterface *	interface,
		uint_t	index,
		const Ipv6Addr *	addr
	)

Assign anycast address.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	Zero-based index
[in]	addr	Anycast address

Returns: Error code

Definition at line 473 of file ipv6.c.

◆ ipv6SetDefaultHopLimit()

error_t ipv6SetDefaultHopLimit	(	NetInterface *	interface,
		uint8_t	hopLimit
	)

Set default Hop Limit value for outgoing IPv6 packets.

Parameters

[in]	interface	Underlying network interface
[in]	hopLimit	Default Hop Limit value

Returns: Error code

Definition at line 220 of file ipv6.c.

◆ ipv6SetDefaultRouter()

error_t ipv6SetDefaultRouter	(	NetInterface *	interface,
		uint_t	index,
		const Ipv6Addr *	addr
	)

Configure default router.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	Zero-based index
[in]	addr	Default router address

Returns: Error code

Definition at line 707 of file ipv6.c.

◆ ipv6SetDnsServer()

error_t ipv6SetDnsServer	(	NetInterface *	interface,
		uint_t	index,
		const Ipv6Addr *	addr
	)

Configure DNS server.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	This parameter selects between the primary and secondary DNS server
[in]	addr	DNS server address

Returns: Error code

Definition at line 817 of file ipv6.c.

◆ ipv6SetGlobalAddr()

error_t ipv6SetGlobalAddr	(	NetInterface *	interface,
		uint_t	index,
		const Ipv6Addr *	addr
	)

Assign global address.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	Zero-based index
[in]	addr	Global address

Returns: Error code

Definition at line 354 of file ipv6.c.

◆ ipv6SetLinkLocalAddr()

error_t ipv6SetLinkLocalAddr	(	NetInterface *	interface,
		const Ipv6Addr *	addr
	)

Assign link-local address.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	addr	Link-local address

Returns: Error code

Definition at line 248 of file ipv6.c.

◆ ipv6SetMtu()

error_t ipv6SetMtu	(	NetInterface *	interface,
		size_t	mtu
	)

Change the MTU of a network interface.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	mtu	Maximum transmit unit

Returns: Error code

Definition at line 150 of file ipv6.c.

◆ ipv6SetPrefix()

error_t ipv6SetPrefix	(	NetInterface *	interface,
		uint_t	index,
		const Ipv6Addr *	prefix,
		uint_t	length
	)

Configure IPv6 prefix.

Parameters

[in]	interface	Pointer to the desired network interface
[in]	index	Zero-based index
[in]	prefix	IPv6 prefix
[in]	length	The number of leading bits in the prefix that are valid

Definition at line 588 of file ipv6.c.

◆ ipv6StringToAddr()

error_t ipv6StringToAddr	(	const char_t *	str,
		Ipv6Addr *	ipAddr
	)

Convert a string representation of an IPv6 address to a binary IPv6 address.

Parameters

[in]	str	NULL-terminated string representing the IPv6 address
[out]	ipAddr	Binary representation of the IPv6 address

Returns: Error code

Definition at line 2174 of file ipv6.c.

Variable Documentation

◆ __packed_struct

typedef __packed_struct

Initial value:

{
   __packed_union
   {
      uint8_t b[16];
      uint16_t w[8];
      uint32_t dw[4];
   }

IPv6 network address.

IPv6 Router Alert option.

IPv6 option.

IPv6 Encapsulating Security Payload header.

IPv6 Authentication header.

IPv6 Type 0 Routing header.

IPv6 Destination Options header.

IPv6 Hop-by-Hop Options header.

Definition at line 252 of file ipv6.h.

◆ _Ipv6FragmentHeader

__packed_struct _Ipv6FragmentHeader

Initial value:

{

uint8_t nextHeader

IPv6 Fragment header.

Definition at line 333 of file ipv6.h.

◆ _Ipv6Header

__packed_struct _Ipv6Header

Initial value:

{
 
   uint8_t trafficClassH : 4

IPv6 header.

Definition at line 267 of file ipv6.h.

◆ _Ipv6PseudoHeader

__packed_struct _Ipv6PseudoHeader

Initial value:

{

Ipv6Addr srcAddr

IPv6 pseudo header.

Definition at line 397 of file ipv6.h.

◆ address

Ipv6Addr address[]

Definition at line 325 of file ipv6.h.

◆ authData

uint8_t authData[]

Definition at line 353 of file ipv6.h.

◆ data

uint8_t data[]

Definition at line 377 of file ipv6.h.

◆ destAddr

Ipv6Addr destAddr

Definition at line 285 of file ipv6.h.

◆ flowLabelH

uint8_t flowLabelH

Definition at line 277 of file ipv6.h.

◆ flowLabelL

uint16_t flowLabelL

Definition at line 280 of file ipv6.h.

◆ fragmentOffset

uint16_t fragmentOffset

Definition at line 337 of file ipv6.h.

◆ hdrExtLen

uint8_t hdrExtLen

Definition at line 297 of file ipv6.h.

◆ hopLimit

uint8_t hopLimit

Definition at line 283 of file ipv6.h.

◆ identification

uint32_t identification

Definition at line 338 of file ipv6.h.

◆ IPV6_LINK_LOCAL_ADDR_PREFIX

const Ipv6Addr IPV6_LINK_LOCAL_ADDR_PREFIX

extern

Definition at line 82 of file ipv6.c.

◆ IPV6_LINK_LOCAL_ALL_NODES_ADDR

const Ipv6Addr IPV6_LINK_LOCAL_ALL_NODES_ADDR

extern

Definition at line 74 of file ipv6.c.

◆ IPV6_LINK_LOCAL_ALL_ROUTERS_ADDR

const Ipv6Addr IPV6_LINK_LOCAL_ALL_ROUTERS_ADDR

extern

Definition at line 78 of file ipv6.c.

◆ IPV6_LOOPBACK_ADDR

const Ipv6Addr IPV6_LOOPBACK_ADDR

extern

Definition at line 70 of file ipv6.c.

◆ IPV6_SOLICITED_NODE_ADDR_PREFIX

const Ipv6Addr IPV6_SOLICITED_NODE_ADDR_PREFIX

extern

Definition at line 86 of file ipv6.c.

◆ IPV6_UNSPECIFIED_ADDR

const Ipv6Addr IPV6_UNSPECIFIED_ADDR

extern

Definition at line 66 of file ipv6.c.

◆ Ipv6Addr

Ipv6Addr

Definition at line 260 of file ipv6.h.

◆ Ipv6AuthHeader

Ipv6AuthHeader

Definition at line 354 of file ipv6.h.

◆ Ipv6DestOptHeader

Ipv6DestOptHeader

Definition at line 311 of file ipv6.h.

◆ Ipv6EspHeader

Ipv6EspHeader

Definition at line 366 of file ipv6.h.

◆ Ipv6HopByHopOptHeader

Ipv6HopByHopOptHeader

Definition at line 299 of file ipv6.h.

◆ Ipv6Option

Ipv6Option

Definition at line 378 of file ipv6.h.

◆ Ipv6RouterAlertOption

Ipv6RouterAlertOption

Definition at line 390 of file ipv6.h.

◆ Ipv6RoutingHeader

Ipv6RoutingHeader

Definition at line 326 of file ipv6.h.

◆ length

uint32_t length

Definition at line 376 of file ipv6.h.

◆ nextHeader

uint8_t nextHeader

Definition at line 282 of file ipv6.h.

◆ options

uint8_t options[]

Definition at line 298 of file ipv6.h.

◆ payload

uint8_t payload[]

Definition at line 286 of file ipv6.h.

◆ payloadData

uint8_t payloadData[]

Definition at line 365 of file ipv6.h.

◆ payloadLen

uint8_t payloadLen

Definition at line 281 of file ipv6.h.

◆ reserved

uint8_t reserved[3]

Definition at line 324 of file ipv6.h.

◆ routingType

uint8_t routingType

Definition at line 322 of file ipv6.h.

◆ securityParamIndex

uint32_t securityParamIndex

Definition at line 351 of file ipv6.h.

◆ segmentsLeft

uint8_t segmentsLeft

Definition at line 323 of file ipv6.h.

◆ sequenceNumber

uint32_t sequenceNumber

Definition at line 352 of file ipv6.h.

◆ srcAddr

Ipv6Addr srcAddr

Definition at line 284 of file ipv6.h.

◆ trafficClassL

uint8_t trafficClassL

Definition at line 278 of file ipv6.h.

◆ value

uint16_t value

Definition at line 389 of file ipv6.h.

◆ version

uint8_t version

Definition at line 276 of file ipv6.h.

Data Structures

Macros

Enumerations

Functions

Variables

Detailed Description

License

Macro Definition Documentation

◆ IPV6_ADDR

◆ IPV6_ADDR_LIST_SIZE

◆ IPV6_ANYCAST_ADDR_LIST_SIZE

◆ IPV6_DEFAULT_HOP_LIMIT

◆ IPV6_DEFAULT_MTU

◆ IPV6_DNS_SERVER_LIST_SIZE

◆ IPV6_MAX_MULTICAST_SOURCES

◆ IPV6_MULTICAST_FILTER_SIZE

◆ IPV6_PREFIX_LIST_SIZE

◆ IPV6_ROUTER_LIST_SIZE

◆ IPV6_SUPPORT

◆ IPV6_VERSION

◆ ipv6CompAddr

◆ ipv6CopyAddr

◆ Ipv6FragmentHeader

◆ Ipv6Header

◆ ipv6IsLinkLocalUnicastAddr

◆ ipv6IsMulticastAddr

◆ ipv6IsSiteLocalUnicastAddr

◆ ipv6IsSolicitedNodeAddr

◆ Ipv6PseudoHeader

Enumeration Type Documentation

◆ Ipv6Actions

◆ Ipv6AddrScope

◆ Ipv6AddrState

◆ Ipv6FragmentOffset

◆ Ipv6NextHeaderType

◆ Ipv6OptionType

Function Documentation

◆ ipv6AddrToString()

◆ ipv6DumpHeader()

◆ ipv6FormatFragmentHeader()

◆ ipv6FormatHopByHopOptHeader()

◆ ipv6GetAnycastAddr()

◆ ipv6GetDefaultRouter()

◆ ipv6GetDnsServer()

◆ ipv6GetGlobalAddr()

◆ ipv6GetGlobalAddrState()

◆ ipv6GetLinkLocalAddr()

◆ ipv6GetLinkLocalAddrState()

◆ ipv6GetMtu()

◆ ipv6GetPrefix()

◆ ipv6Init()

◆ ipv6LinkChangeEvent()

◆ ipv6ParseAhHeader()

◆ ipv6ParseDestOptHeader()

◆ ipv6ParseEspHeader()

◆ ipv6ParseHopByHopOptHeader()

◆ ipv6ParseOptions()

◆ ipv6ParseRoutingHeader()

◆ ipv6ProcessPacket()

◆ ipv6SendDatagram()

◆ ipv6SendPacket()

◆ ipv6SetAnycastAddr()

◆ ipv6SetDefaultHopLimit()

◆ ipv6SetDefaultRouter()

◆ ipv6SetDnsServer()

◆ ipv6SetGlobalAddr()

◆ ipv6SetLinkLocalAddr()

◆ ipv6SetMtu()

◆ ipv6SetPrefix()

◆ ipv6StringToAddr()

Variable Documentation

◆ __packed_struct

◆ _Ipv6FragmentHeader

◆ _Ipv6Header

◆ _Ipv6PseudoHeader

◆ address

◆ authData

◆ data

◆ destAddr

◆ flowLabelH