Neighbor and destination cache management. More...

#include "core/net.h"
#include "ipv6/ipv6_misc.h"
#include "ipv6/icmpv6.h"
#include "ipv6/ndp.h"
#include "ipv6/ndp_cache.h"
#include "ipv6/ndp_misc.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL NDP_TRACE_LEVEL

Functions
void	ndpChangeState (NdpNeighborCacheEntry *entry, NdpState newState)
	Update Neighbor cache entry state. More...

NdpNeighborCacheEntry *	ndpCreateNeighborCacheEntry (NetInterface *interface)
	Create a new entry in the Neighbor cache. More...

NdpNeighborCacheEntry *	ndpFindNeighborCacheEntry (NetInterface interface, const Ipv6Addr ipAddr)
	Search the Neighbor cache for a given IPv6 address. More...

void	ndpUpdateNeighborCache (NetInterface *interface)
	Periodically update Neighbor cache. More...

void	ndpFlushNeighborCache (NetInterface *interface)
	Flush Neighbor cache. More...

uint_t	ndpSendQueuedPackets (NetInterface interface, NdpNeighborCacheEntry entry)
	Send packets that are waiting for address resolution. More...

void	ndpFlushQueuedPackets (NetInterface interface, NdpNeighborCacheEntry entry)
	Flush packet queue. More...

NdpDestCacheEntry *	ndpCreateDestCacheEntry (NetInterface *interface)
	Create a new entry in the Destination Cache. More...

NdpDestCacheEntry *	ndpFindDestCacheEntry (NetInterface interface, const Ipv6Addr destAddr)
	Search the Destination Cache for a given destination address. More...

void	ndpFlushDestCache (NetInterface *interface)
	Flush Destination Cache. More...

Detailed Description

Neighbor and destination cache management.

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 ndp_cache.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL NDP_TRACE_LEVEL

Definition at line 32 of file ndp_cache.c.

Function Documentation

◆ ndpChangeState()

void ndpChangeState	(	NdpNeighborCacheEntry *	entry,
		NdpState	newState
	)

Update Neighbor cache entry state.

Parameters

[in]	entry	Pointer to a Neighbor cache entry
[in]	newState	New state to switch to

Definition at line 53 of file ndp_cache.c.

◆ ndpCreateDestCacheEntry()

NdpDestCacheEntry* ndpCreateDestCacheEntry ( NetInterface * interface )

Create a new entry in the Destination Cache.

Parameters

[in] interface Underlying network interface

Returns: Pointer to the newly created entry

Definition at line 452 of file ndp_cache.c.

◆ ndpCreateNeighborCacheEntry()

NdpNeighborCacheEntry* ndpCreateNeighborCacheEntry ( NetInterface * interface )

Create a new entry in the Neighbor cache.

Parameters

[in] interface Underlying network interface

Returns: Pointer to the newly created entry

Definition at line 72 of file ndp_cache.c.

◆ ndpFindDestCacheEntry()

NdpDestCacheEntry* ndpFindDestCacheEntry	(	NetInterface *	interface,
		const Ipv6Addr *	destAddr
	)

Search the Destination Cache for a given destination address.

Parameters

[in]	interface	Underlying network interface
[in]	destAddr	Destination IPv6 address

Returns: A pointer to the matching entry is returned. NULL is returned if the specified address could not be found in the Destination cache

Definition at line 503 of file ndp_cache.c.

◆ ndpFindNeighborCacheEntry()

NdpNeighborCacheEntry* ndpFindNeighborCacheEntry	(	NetInterface *	interface,
		const Ipv6Addr *	ipAddr
	)

Search the Neighbor cache for a given IPv6 address.

Parameters

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

Returns: A pointer to the matching entry is returned. NULL is returned if the specified IPv6 address could not be found in the Neighbor cache

Definition at line 154 of file ndp_cache.c.

◆ ndpFlushDestCache()

void ndpFlushDestCache ( NetInterface * interface )

Flush Destination Cache.

Parameters

[in] interface Underlying network interface

Definition at line 532 of file ndp_cache.c.

◆ ndpFlushNeighborCache()

void ndpFlushNeighborCache ( NetInterface * interface )

Flush Neighbor cache.

Parameters

[in] interface Underlying network interface

Definition at line 315 of file ndp_cache.c.

◆ ndpFlushQueuedPackets()

void ndpFlushQueuedPackets	(	NetInterface *	interface,
		NdpNeighborCacheEntry *	entry
	)

Flush packet queue.

Parameters

[in]	interface	Underlying network interface
[in]	entry	Pointer to a Neighbor cache entry

Definition at line 409 of file ndp_cache.c.

◆ ndpSendQueuedPackets()

uint_t ndpSendQueuedPackets	(	NetInterface *	interface,
		NdpNeighborCacheEntry *	entry
	)

Send packets that are waiting for address resolution.

Parameters

[in]	interface	Underlying network interface
[in]	entry	Pointer to a Neighbor cache entry

Returns: The number of packets that have been sent

Definition at line 350 of file ndp_cache.c.

◆ ndpUpdateNeighborCache()

void ndpUpdateNeighborCache ( NetInterface * interface )

Periodically update Neighbor cache.

Parameters

[in] interface Underlying network interface

Definition at line 187 of file ndp_cache.c.

Macros

Functions

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

Function Documentation

◆ ndpChangeState()

◆ ndpCreateDestCacheEntry()

◆ ndpCreateNeighborCacheEntry()

◆ ndpFindDestCacheEntry()

◆ ndpFindNeighborCacheEntry()

◆ ndpFlushDestCache()

◆ ndpFlushNeighborCache()

◆ ndpFlushQueuedPackets()

◆ ndpSendQueuedPackets()

◆ ndpUpdateNeighborCache()