igmp_host.h File Reference

IGMP host. More...

#include "core/net.h"
#include "igmp/igmp_common.h"

Go to the source code of this file.

Data Structures
struct	IgmpHostSrcAddr
	Source address. More...
struct	IgmpHostSrcAddrList
	Source address list. More...
struct	IgmpHostGroup
	Multicast group. More...
struct	IgmpHostContext
	IGMP host context. More...

Macros
#define	IGMP_HOST_SUPPORT   ENABLED

Enumerations
enum	IgmpHostGroupState { IGMP_HOST_GROUP_STATE_NON_MEMBER = 0, IGMP_HOST_GROUP_STATE_INIT_MEMBER = 1, IGMP_HOST_GROUP_STATE_DELAYING_MEMBER = 2, IGMP_HOST_GROUP_STATE_IDLE_MEMBER = 3 }
	Multicast group states. More...

Functions
error_t	igmpHostInit (NetInterface *interface)
	IGMP host initialization. More...
void	igmpHostTick (IgmpHostContext *context)
	IGMP host timer handler. More...
void	igmpHostStateChangeEvent (IgmpHostContext *context, Ipv4Addr groupAddr, IpFilterMode newFilterMode, const Ipv4SrcAddrList *newFilter)
	Process multicast reception state change. More...
void	igmpHostLinkChangeEvent (IgmpHostContext *context)
	Process link state change. More...

Detailed Description

IGMP host.

License

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

Copyright (C) 2010-2025 Oryx Embedded SARL. All rights reserved.

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

2.5.4

Definition in file igmp_host.h.

Macro Definition Documentation

IGMP_HOST_SUPPORT

#define IGMP_HOST_SUPPORT   ENABLED

Definition at line 40 of file igmp_host.h.

Enumeration Type Documentation

IgmpHostGroupState

enum IgmpHostGroupState

Multicast group states.

Enumerator
IGMP_HOST_GROUP_STATE_NON_MEMBER
IGMP_HOST_GROUP_STATE_INIT_MEMBER
IGMP_HOST_GROUP_STATE_DELAYING_MEMBER
IGMP_HOST_GROUP_STATE_IDLE_MEMBER

Definition at line 55 of file igmp_host.h.

Function Documentation

igmpHostInit()

error_t igmpHostInit

(

NetInterface *

interface

)

IGMP host initialization.

Parameters

[in]

interface

Underlying network interface

Returns

Error code

Definition at line 63 of file igmp_host.c.

igmpHostLinkChangeEvent()

void igmpHostLinkChangeEvent

(

IgmpHostContext *

context

)

Process link state change.

Parameters

[in]

context

Pointer to the IGMP host context

Definition at line 491 of file igmp_host.c.

igmpHostStateChangeEvent()

void igmpHostStateChangeEvent	(	IgmpHostContext *	context,
		Ipv4Addr	groupAddr,
		IpFilterMode	newFilterMode,
		const Ipv4SrcAddrList *	newFilter
	)

Process multicast reception state change.

Parameters

[in]	context	Pointer to the IGMP host context
[in]	groupAddr	Multicast group address
[in]	newFilterMode	New filter mode for the affected group
[in]	newFilter	New interface state for the affected group

Definition at line 348 of file igmp_host.c.

igmpHostTick()

void igmpHostTick

(

IgmpHostContext *

context

)

IGMP host timer handler.

This routine must be periodically called by the TCP/IP stack to handle IGMP related timers

Parameters

[in]

context

Pointer to the IGMP host context

Definition at line 104 of file igmp_host.c.