NDP (Neighbor Discovery Protocol) More...

#include "core/net.h"

Data Structures
struct	NdpQueueItem
	NDP queue item. More...

struct	NdpNeighborCacheEntry
	Neighbor cache entry. More...

struct	NdpDestCacheEntry
	Destination cache entry. More...

struct	NdpContext
	NDP context. More...

Macros
#define	NDP_SUPPORT ENABLED

#define	NDP_TICK_INTERVAL 200

#define	NDP_NEIGHBOR_CACHE_SIZE 8

#define	NDP_DEST_CACHE_SIZE 8

#define	NDP_MAX_PENDING_PACKETS 2

#define	NDP_MAX_RTR_ADVERT_INTERVAL 600000

#define	NDP_MAX_INITIAL_RTR_ADVERT_INTERVAL 16000

#define	NDP_MAX_INITIAL_RTR_ADVERTISEMENTS 3

#define	NDP_MAX_FINAL_RTR_ADVERTISEMENTS 3

#define	NDP_MIN_DELAY_BETWEEN_RAS 3000

#define	NDP_MAX_RA_DELAY_TIME 500

#define	NDP_MIN_RTR_SOLICITATION_DELAY 0

#define	NDP_MAX_RTR_SOLICITATION_DELAY 1000

#define	NDP_RTR_SOLICITATION_INTERVAL 4000

#define	NDP_MAX_RTR_SOLICITATIONS 3

#define	NDP_MAX_MULTICAST_SOLICIT 3

#define	NDP_MAX_UNICAST_SOLICIT 3

#define	NDP_DUP_ADDR_DETECT_TRANSMITS 1

#define	NDP_MAX_ANYCAST_DELAY_TIME 1000

#define	NDP_MAX_NEIGHBOR_ADVERTISEMENT 3

#define	NDP_REACHABLE_TIME 30000

#define	NDP_RETRANS_TIMER 1000

#define	NDP_DELAY_FIRST_PROBE_TIME 5000

#define	NDP_HOP_LIMIT 255

#define	NDP_INFINITE_LIFETIME 0xFFFFFFFF

Enumerations
enum	NdpOptionType { NDP_OPT_SOURCE_LINK_LAYER_ADDR = 1, NDP_OPT_TARGET_LINK_LAYER_ADDR = 2, NDP_OPT_PREFIX_INFORMATION = 3, NDP_OPT_REDIRECTED_HEADER = 4, NDP_OPT_MTU = 5, NDP_OPT_ROUTE_INFORMATION = 24, NDP_OPT_RECURSIVE_DNS_SERVER = 25, NDP_OPT_DNS_SEARCH_LIST = 31, NDP_OPT_6LOWPAN_CONTEXT = 34, NDP_OPT_CAPTIVE_PORTAL = 37, NDP_OPT_ANY = 255 }
	Neighbor Discovery options. More...

enum	NdpRouterSelPreference { NDP_ROUTER_SEL_PREFERENCE_MEDIUM = 0, NDP_ROUTER_SEL_PREFERENCE_HIGH = 1, NDP_ROUTER_SEL_PREFERENCE_RESERVED = 2, NDP_ROUTER_SEL_PREFERENCE_LOW = 3 }
	Router selection preferences. More...

enum	NdpState { NDP_STATE_NONE = 0, NDP_STATE_INCOMPLETE = 1, NDP_STATE_REACHABLE = 2, NDP_STATE_STALE = 3, NDP_STATE_DELAY = 4, NDP_STATE_PROBE = 5, NDP_STATE_PERMANENT = 6 }
	Neighbor cache entry states. More...

Functions
error_t	ndpInit (NetInterface *interface)
	Neighbor cache initialization. More...

error_t	ndpEnable (NetInterface *interface, bool_t enable)
	Enable address resolution using Neighbor Discovery protocol. More...

error_t	ndpSetReachableTime (NetInterface *interface, systime_t reachableTime)
	Configure the NDP reachable time. More...

error_t	ndpSetRetransTimer (NetInterface *interface, systime_t retransTimer)
	Configure the time interval between retransmission of NS messages. More...

error_t	ndpAddStaticEntry (NetInterface interface, const Ipv6Addr ipAddr, const MacAddr *macAddr)
	Add a static entry in the Neighbor cache. More...

error_t	ndpRemoveStaticEntry (NetInterface interface, const Ipv6Addr ipAddr)
	Remove a static entry from the Neighbor cache. More...

error_t	ndpResolve (NetInterface interface, const Ipv6Addr ipAddr, MacAddr *macAddr)
	Address resolution using Neighbor Discovery protocol. More...

error_t	ndpEnqueuePacket (NetInterface srcInterface, NetInterface destInterface, const Ipv6Addr ipAddr, NetBuffer buffer, size_t offset, NetTxAncillary *ancillary)
	Enqueue an IPv6 packet waiting for address resolution. More...

void	ndpTick (NetInterface *interface)
	NDP timer handler. More...

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

void	ndpProcessRouterAdv (NetInterface interface, const Ipv6PseudoHeader pseudoHeader, const NetBuffer buffer, size_t offset, const NetRxAncillary ancillary)
	Router Advertisement message processing. More...

void	ndpProcessNeighborSol (NetInterface interface, const Ipv6PseudoHeader pseudoHeader, const NetBuffer buffer, size_t offset, const NetRxAncillary ancillary)
	Neighbor Solicitation message processing. More...

void	ndpProcessNeighborAdv (NetInterface interface, const Ipv6PseudoHeader pseudoHeader, const NetBuffer buffer, size_t offset, const NetRxAncillary ancillary)
	Neighbor Advertisement message processing. More...

void	ndpProcessRedirect (NetInterface interface, const Ipv6PseudoHeader pseudoHeader, const NetBuffer buffer, size_t offset, const NetRxAncillary ancillary)
	Redirect message processing. More...

error_t	ndpSendRouterSol (NetInterface *interface)
	Send a Router Solicitation message. More...

error_t	ndpSendNeighborSol (NetInterface interface, const Ipv6Addr targetIpAddr, bool_t multicast)
	Send a Neighbor Solicitation message. More...

error_t	ndpSendNeighborAdv (NetInterface interface, const Ipv6Addr targetIpAddr, const Ipv6Addr *destIpAddr)
	Send a Neighbor Advertisement message. More...

error_t	ndpSendRedirect (NetInterface interface, const Ipv6Addr targetAddr, const NetBuffer *ipPacket, size_t ipPacketOffset)
	Send a Redirect message. More...

void	ndpDumpRouterSolMessage (const NdpRouterSolMessage *message)
	Dump Router Solicitation message for debugging purpose. More...

void	ndpDumpRouterAdvMessage (const NdpRouterAdvMessage *message)
	Dump Router Advertisement message for debugging purpose. More...

void	ndpDumpNeighborSolMessage (const NdpNeighborSolMessage *message)
	Dump Neighbor Solicitation message for debugging purpose. More...

void	ndpDumpNeighborAdvMessage (const NdpNeighborAdvMessage *message)
	Dump Neighbor Advertisement message for debugging purpose. More...

void	ndpDumpRedirectMessage (const NdpRedirectMessage *message)
	Dump Redirect message for debugging purpose. More...

Variables
typedef	__packed_struct
	Router Solicitation message. More...

uint8_t	code

uint16_t	checksum

uint32_t	reserved

uint8_t	options []

	NdpRouterSolMessage

uint8_t	curHopLimit

uint8_t	p

uint8_t	prf

uint8_t	h

uint8_t	o

uint8_t	m

uint16_t	routerLifetime

uint32_t	reachableTime

uint32_t	retransTimer

	NdpRouterAdvMessage

Ipv6Addr	targetAddr

	NdpNeighborSolMessage

uint8_t	reserved1

uint8_t	s

uint8_t	r

uint8_t	reserved2 [3]

	NdpNeighborAdvMessage

Ipv6Addr	destAddr

	NdpRedirectMessage

uint8_t	length

uint8_t	value []

	NdpOption

MacAddr	linkLayerAddr

	NdpLinkLayerAddrOption

uint8_t	prefixLength

uint8_t	a

uint8_t	l

uint32_t	validLifetime

uint32_t	preferredLifetime

Ipv6Addr	prefix

	NdpPrefixInfoOption

uint8_t	ipPacket []

	NdpRedirectedHeaderOption

uint32_t	mtu

	NdpMtuOption

uint32_t	routeLifetime

	NdpRouteInfoOption

uint32_t	lifetime

Ipv6Addr	address []

	NdpRdnssOption

uint8_t	domainNames []

	NdpDnsslOption

uint8_t	contextLength

uint8_t	cid

uint8_t	c

Ipv6Addr	contextPrefix

	NdpContextOption

systime_t	ndpTickCounter

Detailed Description

NDP (Neighbor Discovery Protocol)

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: 2.5.0

Definition in file ndp.h.

Macro Definition Documentation

◆ NDP_DELAY_FIRST_PROBE_TIME

#define NDP_DELAY_FIRST_PROBE_TIME 5000

Definition at line 193 of file ndp.h.

◆ NDP_DEST_CACHE_SIZE

#define NDP_DEST_CACHE_SIZE 8

Definition at line 60 of file ndp.h.

◆ NDP_DUP_ADDR_DETECT_TRANSMITS

#define NDP_DUP_ADDR_DETECT_TRANSMITS 1

Definition at line 158 of file ndp.h.

◆ NDP_HOP_LIMIT

#define NDP_HOP_LIMIT 255

Definition at line 199 of file ndp.h.

◆ NDP_INFINITE_LIFETIME

#define NDP_INFINITE_LIFETIME 0xFFFFFFFF

Definition at line 202 of file ndp.h.

◆ NDP_MAX_ANYCAST_DELAY_TIME

#define NDP_MAX_ANYCAST_DELAY_TIME 1000

Definition at line 165 of file ndp.h.

◆ NDP_MAX_FINAL_RTR_ADVERTISEMENTS

#define NDP_MAX_FINAL_RTR_ADVERTISEMENTS 3

Definition at line 95 of file ndp.h.

◆ NDP_MAX_INITIAL_RTR_ADVERT_INTERVAL

#define NDP_MAX_INITIAL_RTR_ADVERT_INTERVAL 16000

Definition at line 81 of file ndp.h.

◆ NDP_MAX_INITIAL_RTR_ADVERTISEMENTS

#define NDP_MAX_INITIAL_RTR_ADVERTISEMENTS 3

Definition at line 88 of file ndp.h.

◆ NDP_MAX_MULTICAST_SOLICIT

#define NDP_MAX_MULTICAST_SOLICIT 3

Definition at line 144 of file ndp.h.

◆ NDP_MAX_NEIGHBOR_ADVERTISEMENT

#define NDP_MAX_NEIGHBOR_ADVERTISEMENT 3

Definition at line 172 of file ndp.h.

◆ NDP_MAX_PENDING_PACKETS

#define NDP_MAX_PENDING_PACKETS 2

Definition at line 67 of file ndp.h.

◆ NDP_MAX_RA_DELAY_TIME

#define NDP_MAX_RA_DELAY_TIME 500

Definition at line 109 of file ndp.h.

◆ NDP_MAX_RTR_ADVERT_INTERVAL

#define NDP_MAX_RTR_ADVERT_INTERVAL 600000

Definition at line 74 of file ndp.h.

◆ NDP_MAX_RTR_SOLICITATION_DELAY

#define NDP_MAX_RTR_SOLICITATION_DELAY 1000

Definition at line 123 of file ndp.h.

◆ NDP_MAX_RTR_SOLICITATIONS

#define NDP_MAX_RTR_SOLICITATIONS 3

Definition at line 137 of file ndp.h.

◆ NDP_MAX_UNICAST_SOLICIT

#define NDP_MAX_UNICAST_SOLICIT 3

Definition at line 151 of file ndp.h.

◆ NDP_MIN_DELAY_BETWEEN_RAS

#define NDP_MIN_DELAY_BETWEEN_RAS 3000

Definition at line 102 of file ndp.h.

◆ NDP_MIN_RTR_SOLICITATION_DELAY

#define NDP_MIN_RTR_SOLICITATION_DELAY 0

Definition at line 116 of file ndp.h.

◆ NDP_NEIGHBOR_CACHE_SIZE

#define NDP_NEIGHBOR_CACHE_SIZE 8

Definition at line 53 of file ndp.h.

◆ NDP_REACHABLE_TIME

#define NDP_REACHABLE_TIME 30000

Definition at line 179 of file ndp.h.

◆ NDP_RETRANS_TIMER

#define NDP_RETRANS_TIMER 1000

Definition at line 186 of file ndp.h.

◆ NDP_RTR_SOLICITATION_INTERVAL

#define NDP_RTR_SOLICITATION_INTERVAL 4000

Definition at line 130 of file ndp.h.

◆ NDP_SUPPORT

#define NDP_SUPPORT ENABLED

Definition at line 39 of file ndp.h.

◆ NDP_TICK_INTERVAL

#define NDP_TICK_INTERVAL 200

Definition at line 46 of file ndp.h.

Enumeration Type Documentation

◆ NdpOptionType

enum NdpOptionType

Neighbor Discovery options.

Enumerator
NDP_OPT_SOURCE_LINK_LAYER_ADDR
NDP_OPT_TARGET_LINK_LAYER_ADDR
NDP_OPT_PREFIX_INFORMATION
NDP_OPT_REDIRECTED_HEADER
NDP_OPT_MTU
NDP_OPT_ROUTE_INFORMATION
NDP_OPT_RECURSIVE_DNS_SERVER
NDP_OPT_DNS_SEARCH_LIST
NDP_OPT_6LOWPAN_CONTEXT
NDP_OPT_CAPTIVE_PORTAL
NDP_OPT_ANY

Definition at line 214 of file ndp.h.

◆ NdpRouterSelPreference

enum NdpRouterSelPreference

Router selection preferences.

Enumerator
NDP_ROUTER_SEL_PREFERENCE_MEDIUM
NDP_ROUTER_SEL_PREFERENCE_HIGH
NDP_ROUTER_SEL_PREFERENCE_RESERVED
NDP_ROUTER_SEL_PREFERENCE_LOW

Definition at line 234 of file ndp.h.

◆ NdpState

enum NdpState

Neighbor cache entry states.

Enumerator
NDP_STATE_NONE
NDP_STATE_INCOMPLETE
NDP_STATE_REACHABLE
NDP_STATE_STALE
NDP_STATE_DELAY
NDP_STATE_PROBE
NDP_STATE_PERMANENT

Definition at line 247 of file ndp.h.

Function Documentation

◆ ndpAddStaticEntry()

error_t ndpAddStaticEntry	(	NetInterface *	interface,
		const Ipv6Addr *	ipAddr,
		const MacAddr *	macAddr
	)

Add a static entry in the Neighbor cache.

Parameters

[in]	interface	Underlying network interface
[in]	ipAddr	IPv6 address
[in]	macAddr	MAC address

Returns: Error code

Definition at line 238 of file ndp.c.

◆ ndpDumpNeighborAdvMessage()

void ndpDumpNeighborAdvMessage ( const NdpNeighborAdvMessage * message )

Dump Neighbor Advertisement message for debugging purpose.

Parameters

[in] message Neighbor Advertisement message

Definition at line 2312 of file ndp.c.

◆ ndpDumpNeighborSolMessage()

void ndpDumpNeighborSolMessage ( const NdpNeighborSolMessage * message )

Dump Neighbor Solicitation message for debugging purpose.

Parameters

[in] message Neighbor Solicitation message

Definition at line 2297 of file ndp.c.

◆ ndpDumpRedirectMessage()

void ndpDumpRedirectMessage ( const NdpRedirectMessage * message )

Dump Redirect message for debugging purpose.

Parameters

[in] message Redirect message

Definition at line 2330 of file ndp.c.

◆ ndpDumpRouterAdvMessage()

void ndpDumpRouterAdvMessage ( const NdpRouterAdvMessage * message )

Dump Router Advertisement message for debugging purpose.

Parameters

[in] message Router Advertisement message

Definition at line 2277 of file ndp.c.

◆ ndpDumpRouterSolMessage()

void ndpDumpRouterSolMessage ( const NdpRouterSolMessage * message )

Dump Router Solicitation message for debugging purpose.

Parameters

[in] message Router Solicitation message

Definition at line 2263 of file ndp.c.

◆ ndpEnable()

error_t ndpEnable	(	NetInterface *	interface,
		bool_t	enable
	)

Enable address resolution using Neighbor Discovery protocol.

Parameters

[in]	interface	Underlying network interface
[in]	enable	This flag specifies whether the host is allowed to send Neighbor solicitations and respond to incoming Neighbor solicitations. When the flag is set to FALSE, the host relies exclusively on static Neighbor cache entries to map IPv6 addresses into MAC addresses and silently drop incoming Neighbor solicitations

Returns: Error code

Definition at line 106 of file ndp.c.

◆ ndpEnqueuePacket()

error_t ndpEnqueuePacket	(	NetInterface *	srcInterface,
		NetInterface *	destInterface,
		const Ipv6Addr *	ipAddr,
		NetBuffer *	buffer,
		size_t	offset,
		NetTxAncillary *	ancillary
	)

Enqueue an IPv6 packet waiting for address resolution.

Parameters

[in]	srcInterface	Interface from which the packet has been received
[in]	destInterface	Interface on which the packet should be sent
[in]	ipAddr	IPv6 address of the destination host
[in]	buffer	Multi-part buffer containing the packet to be enqueued
[in]	offset	Offset to the first byte of the packet
[in]	ancillary	Additional options passed to the stack along with the packet

Returns: Error code

Definition at line 457 of file ndp.c.

◆ ndpInit()

error_t ndpInit ( NetInterface * interface )

Neighbor cache initialization.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 68 of file ndp.c.

◆ ndpLinkChangeEvent()

void ndpLinkChangeEvent ( NetInterface * interface )

Callback function for link change event.

Parameters

[in] interface Underlying network interface

Definition at line 638 of file ndp.c.

◆ ndpProcessNeighborAdv()

void ndpProcessNeighborAdv	(	NetInterface *	interface,
		const Ipv6PseudoHeader *	pseudoHeader,
		const NetBuffer *	buffer,
		size_t	offset,
		const NetRxAncillary *	ancillary
	)

Neighbor Advertisement message processing.

Parameters

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

Definition at line 1212 of file ndp.c.

◆ ndpProcessNeighborSol()

void ndpProcessNeighborSol	(	NetInterface *	interface,
		const Ipv6PseudoHeader *	pseudoHeader,
		const NetBuffer *	buffer,
		size_t	offset,
		const NetRxAncillary *	ancillary
	)

Neighbor Solicitation message processing.

Parameters

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

Definition at line 966 of file ndp.c.

◆ ndpProcessRedirect()

void ndpProcessRedirect	(	NetInterface *	interface,
		const Ipv6PseudoHeader *	pseudoHeader,
		const NetBuffer *	buffer,
		size_t	offset,
		const NetRxAncillary *	ancillary
	)

Redirect message processing.

Parameters

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

Definition at line 1460 of file ndp.c.

◆ ndpProcessRouterAdv()

void ndpProcessRouterAdv	(	NetInterface *	interface,
		const Ipv6PseudoHeader *	pseudoHeader,
		const NetBuffer *	buffer,
		size_t	offset,
		const NetRxAncillary *	ancillary
	)

Router Advertisement message processing.

Parameters

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

Definition at line 676 of file ndp.c.

◆ ndpRemoveStaticEntry()

error_t ndpRemoveStaticEntry	(	NetInterface *	interface,
		const Ipv6Addr *	ipAddr
	)

Remove a static entry from the Neighbor cache.

Parameters

[in]	interface	Underlying network interface
[in]	ipAddr	IPv6 address

Returns: Error code

Definition at line 312 of file ndp.c.

◆ ndpResolve()

error_t ndpResolve	(	NetInterface *	interface,
		const Ipv6Addr *	ipAddr,
		MacAddr *	macAddr
	)

Address resolution using Neighbor Discovery protocol.

Parameters

[in]	interface	Underlying network interface
[in]	ipAddr	IPv6 address
[in]	macAddr	Physical address matching the specified IPv6 address

Returns: Error code

Definition at line 357 of file ndp.c.

◆ ndpSendNeighborAdv()

error_t ndpSendNeighborAdv	(	NetInterface *	interface,
		const Ipv6Addr *	targetIpAddr,
		const Ipv6Addr *	destIpAddr
	)

Send a Neighbor Advertisement message.

Parameters

[in]	interface	Underlying network interface
[in]	targetIpAddr	Target IPv6 address
[in]	destIpAddr	Destination IPv6 address

Returns: Error code

Definition at line 1923 of file ndp.c.

◆ ndpSendNeighborSol()

error_t ndpSendNeighborSol	(	NetInterface *	interface,
		const Ipv6Addr *	targetIpAddr,
		bool_t	multicast
	)

Send a Neighbor Solicitation message.

Parameters

[in]	interface	Underlying network interface
[in]	targetIpAddr	Target IPv6 address
[in]	multicast	Unicast or unicast Neighbor Solicitation message

Returns: Error code

Definition at line 1790 of file ndp.c.

◆ ndpSendRedirect()

error_t ndpSendRedirect	(	NetInterface *	interface,
		const Ipv6Addr *	targetAddr,
		const NetBuffer *	ipPacket,
		size_t	ipPacketOffset
	)

Send a Redirect message.

Parameters

[in]	interface	Underlying network interface
[in]	targetAddr	IPv6 address that is a better first hop to use for the destination address
[in]	ipPacket	Multi-part buffer that holds the IPv6 packet that triggered the sending of the Redirect
[in]	ipPacketOffset	Offset to the first byte of the IPv6 packet

Returns: Error code

Definition at line 2092 of file ndp.c.

◆ ndpSendRouterSol()

error_t ndpSendRouterSol ( NetInterface * interface )

Send a Router Solicitation message.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 1670 of file ndp.c.

◆ ndpSetReachableTime()

error_t ndpSetReachableTime	(	NetInterface *	interface,
		systime_t	reachableTime
	)

Configure the NDP reachable time.

Parameters

[in]	interface	Underlying network interface
[in]	reachableTime	The time, in milliseconds, a node assumes a neighbor is reachable

Returns: Error code

Definition at line 141 of file ndp.c.

◆ ndpSetRetransTimer()

error_t ndpSetRetransTimer	(	NetInterface *	interface,
		systime_t	retransTimer
	)

Configure the time interval between retransmission of NS messages.

Parameters

[in]	interface	Underlying network interface
[in]	retransTimer	The time, in milliseconds, between retransmissions of NS messages

Returns: Error code

Definition at line 189 of file ndp.c.

◆ ndpTick()

void ndpTick ( NetInterface * interface )

NDP timer handler.

Parameters

[in] interface Underlying network interface

Definition at line 547 of file ndp.c.

Variable Documentation

◆ __packed_struct

typedef __packed_struct

Initial value:

{

uint8_t type

Router Solicitation message.

6LoWPAN Context option (6CO)

DNS Search List option (DNSSL)

Recursive DNS Server option (RDNSS)

Route Information option (RIO)

MTU option.

Redirected Header option (RHO)

Prefix Information option (PIO)

Source/Target Link-Layer Address option.

Neighbor Discovery option general format.

Redirect message.

Neighbor Advertisement message.

Neighbor Solicitation message.

Router Advertisement message.

Definition at line 271 of file ndp.h.

◆ a

uint8_t a

Definition at line 411 of file ndp.h.

◆ address

Ipv6Addr address[]

Definition at line 481 of file ndp.h.

◆ c

uint8_t c

Definition at line 514 of file ndp.h.

◆ checksum

uint16_t checksum

Definition at line 275 of file ndp.h.

◆ cid

uint8_t cid

Definition at line 513 of file ndp.h.

◆ code

uint8_t code

Definition at line 274 of file ndp.h.

◆ contextLength

uint8_t contextLength

Definition at line 507 of file ndp.h.

◆ contextPrefix

Ipv6Addr contextPrefix

Definition at line 519 of file ndp.h.

◆ curHopLimit

uint8_t curHopLimit

Definition at line 290 of file ndp.h.

◆ destAddr

Ipv6Addr destAddr

Definition at line 365 of file ndp.h.

◆ domainNames

uint8_t domainNames[]

Definition at line 495 of file ndp.h.

◆ h

uint8_t h

Definition at line 302 of file ndp.h.

◆ ipPacket

uint8_t ipPacket[]

Definition at line 431 of file ndp.h.

◆ l

uint8_t l

Definition at line 412 of file ndp.h.

◆ length

uint8_t length

Definition at line 377 of file ndp.h.

◆ lifetime

uint32_t lifetime

Definition at line 480 of file ndp.h.

◆ linkLayerAddr

MacAddr linkLayerAddr

Definition at line 390 of file ndp.h.

◆ m

uint8_t m

Definition at line 304 of file ndp.h.

◆ mtu

uint32_t mtu

Definition at line 444 of file ndp.h.

◆ NdpContextOption

NdpContextOption

Definition at line 520 of file ndp.h.

◆ NdpDnsslOption

NdpDnsslOption

Definition at line 496 of file ndp.h.

◆ NdpLinkLayerAddrOption

NdpLinkLayerAddrOption

Definition at line 391 of file ndp.h.

◆ NdpMtuOption

NdpMtuOption

Definition at line 445 of file ndp.h.

◆ NdpNeighborAdvMessage

NdpNeighborAdvMessage

Definition at line 351 of file ndp.h.

◆ NdpNeighborSolMessage

NdpNeighborSolMessage

Definition at line 325 of file ndp.h.

◆ NdpOption

NdpOption

Definition at line 379 of file ndp.h.

◆ NdpPrefixInfoOption

NdpPrefixInfoOption

Definition at line 418 of file ndp.h.

◆ NdpRdnssOption

NdpRdnssOption

Definition at line 482 of file ndp.h.

◆ NdpRedirectedHeaderOption

NdpRedirectedHeaderOption

Definition at line 432 of file ndp.h.

◆ NdpRedirectMessage

NdpRedirectMessage

Definition at line 367 of file ndp.h.

◆ NdpRouteInfoOption

NdpRouteInfoOption

Definition at line 468 of file ndp.h.

◆ NdpRouterAdvMessage

NdpRouterAdvMessage

Definition at line 310 of file ndp.h.

◆ NdpRouterSolMessage

NdpRouterSolMessage

Definition at line 278 of file ndp.h.

◆ ndpTickCounter

systime_t ndpTickCounter

extern

Definition at line 59 of file ndp.c.

◆ o

uint8_t o

Definition at line 303 of file ndp.h.

◆ options

uint8_t options[]

Definition at line 277 of file ndp.h.

◆ p

uint8_t p

Definition at line 300 of file ndp.h.

◆ preferredLifetime

uint32_t preferredLifetime

Definition at line 415 of file ndp.h.

◆ prefix

Ipv6Addr prefix

Definition at line 417 of file ndp.h.

◆ prefixLength

uint8_t prefixLength

Definition at line 402 of file ndp.h.

◆ prf

uint8_t prf

Definition at line 301 of file ndp.h.

◆ r

uint8_t r

Definition at line 346 of file ndp.h.

◆ reachableTime

uint32_t reachableTime

Definition at line 307 of file ndp.h.

◆ reserved

uint16_t reserved

Definition at line 276 of file ndp.h.

◆ reserved1

uint8_t reserved1

Definition at line 343 of file ndp.h.

◆ reserved2

uint16_t reserved2

Definition at line 348 of file ndp.h.

◆ retransTimer

uint32_t retransTimer

Definition at line 308 of file ndp.h.

◆ routeLifetime

uint32_t routeLifetime

Definition at line 466 of file ndp.h.

◆ routerLifetime

uint16_t routerLifetime

Definition at line 306 of file ndp.h.

◆ s

uint8_t s

Definition at line 345 of file ndp.h.

◆ targetAddr

Ipv6Addr targetAddr

Definition at line 323 of file ndp.h.

◆ validLifetime

uint16_t validLifetime

Definition at line 414 of file ndp.h.

◆ value

uint8_t value[]

Definition at line 378 of file ndp.h.

Data Structures

Macros

Enumerations

Functions

Variables

Detailed Description

License

Macro Definition Documentation

◆ NDP_DELAY_FIRST_PROBE_TIME

◆ NDP_DEST_CACHE_SIZE

◆ NDP_DUP_ADDR_DETECT_TRANSMITS

◆ NDP_HOP_LIMIT

◆ NDP_INFINITE_LIFETIME

◆ NDP_MAX_ANYCAST_DELAY_TIME

◆ NDP_MAX_FINAL_RTR_ADVERTISEMENTS

◆ NDP_MAX_INITIAL_RTR_ADVERT_INTERVAL

◆ NDP_MAX_INITIAL_RTR_ADVERTISEMENTS

◆ NDP_MAX_MULTICAST_SOLICIT

◆ NDP_MAX_NEIGHBOR_ADVERTISEMENT

◆ NDP_MAX_PENDING_PACKETS

◆ NDP_MAX_RA_DELAY_TIME

◆ NDP_MAX_RTR_ADVERT_INTERVAL

◆ NDP_MAX_RTR_SOLICITATION_DELAY

◆ NDP_MAX_RTR_SOLICITATIONS

◆ NDP_MAX_UNICAST_SOLICIT

◆ NDP_MIN_DELAY_BETWEEN_RAS

◆ NDP_MIN_RTR_SOLICITATION_DELAY

◆ NDP_NEIGHBOR_CACHE_SIZE

◆ NDP_REACHABLE_TIME

◆ NDP_RETRANS_TIMER

◆ NDP_RTR_SOLICITATION_INTERVAL

◆ NDP_SUPPORT

◆ NDP_TICK_INTERVAL

Enumeration Type Documentation

◆ NdpOptionType

◆ NdpRouterSelPreference

◆ NdpState

Function Documentation

◆ ndpAddStaticEntry()

◆ ndpDumpNeighborAdvMessage()

◆ ndpDumpNeighborSolMessage()

◆ ndpDumpRedirectMessage()

◆ ndpDumpRouterAdvMessage()

◆ ndpDumpRouterSolMessage()

◆ ndpEnable()

◆ ndpEnqueuePacket()

◆ ndpInit()

◆ ndpLinkChangeEvent()

◆ ndpProcessNeighborAdv()

◆ ndpProcessNeighborSol()

◆ ndpProcessRedirect()

◆ ndpProcessRouterAdv()

◆ ndpRemoveStaticEntry()

◆ ndpResolve()

◆ ndpSendNeighborAdv()

◆ ndpSendNeighborSol()

◆ ndpSendRedirect()

◆ ndpSendRouterSol()

◆ ndpSetReachableTime()

◆ ndpSetRetransTimer()

◆ ndpTick()

Variable Documentation

◆ __packed_struct

◆ a

◆ address

◆ c

◆ checksum

◆ cid

◆ code

◆ contextLength

◆ contextPrefix

◆ curHopLimit

◆ destAddr

◆ domainNames

◆ h

◆ ipPacket

◆ l

◆ length

◆ lifetime

◆ linkLayerAddr