IPCP (PPP Internet Protocol Control Protocol) More...

#include "core/net.h"
#include "ppp/ppp.h"

Macros
#define	IPCP_DEFAULT_SUBNET_MASK IPV4_ADDR(255, 255, 255, 255)

Enumerations
enum	IpcpOptionType { IPCP_OPTION_IP_ADDRESSES = 1, IPCP_OPTION_IP_COMP_PROTOCOL = 2, IPCP_OPTION_IP_ADDRESS = 3, IPCP_OPTION_PRIMARY_DNS = 129, IPCP_OPTION_PRIMARY_NBNS = 130, IPCP_OPTION_SECONDARY_DNS = 131, IPCP_OPTION_SECONDARY_NBNS = 132 }
	IPCP option types. More...

Functions
error_t	ipcpOpen (PppContext *context)
	IPCP Open event. More...

error_t	ipcpClose (PppContext *context)
	IPCP Close event. More...

void	ipcpTick (PppContext *context)
	IPCP timer handler. More...

void	ipcpProcessPacket (PppContext context, const PppPacket packet, size_t length)
	Process an incoming IPCP packet. More...

error_t	ipcpProcessConfigureReq (PppContext context, const PppConfigurePacket configureReqPacket)
	Process Configure-Request packet. More...

error_t	ipcpProcessConfigureAck (PppContext context, const PppConfigurePacket configureAckPacket)
	Process Configure-Ack packet. More...

error_t	ipcpProcessConfigureNak (PppContext context, const PppConfigurePacket configureNakPacket)
	Process Configure-Nak packet. More...

error_t	ipcpProcessConfigureReject (PppContext context, const PppConfigurePacket configureRejPacket)
	Process Configure-Reject packet. More...

error_t	ipcpProcessTerminateReq (PppContext context, const PppTerminatePacket terminateReqPacket)
	Process Terminate-Request packet. More...

error_t	ipcpProcessTerminateAck (PppContext context, const PppTerminatePacket terminateAckPacket)
	Process Terminate-Ack packet. More...

error_t	ipcpProcessCodeRej (PppContext context, const PppCodeRejPacket codeRejPacket)
	Process Code-Reject packet. More...

error_t	ipcpProcessUnknownCode (PppContext context, const PppPacket packet)
	Process packet with unknown code. More...

void	ipcpThisLayerUp (PppContext *context)
	This-Layer-Up callback function. More...

void	ipcpThisLayerDown (PppContext *context)
	This-Layer-Down callback function. More...

void	ipcpThisLayerStarted (PppContext *context)
	This-Layer-Started callback function. More...

void	ipcpThisLayerFinished (PppContext *context)
	This-Layer-Finished callback function. More...

void	ipcpInitRestartCount (PppContext *context, uint_t value)
	Initialize-Restart-Count callback function. More...

void	ipcpZeroRestartCount (PppContext *context)
	Zero-Restart-Count callback function. More...

error_t	ipcpSendConfigureReq (PppContext *context)
	Send-Configure-Request callback function. More...

error_t	ipcpSendConfigureAck (PppContext context, const PppConfigurePacket configureReqPacket)
	Send-Configure-Ack callback function. More...

error_t	ipcpSendConfigureNak (PppContext context, const PppConfigurePacket configureReqPacket)
	Send-Configure-Nak callback function. More...

error_t	ipcpSendConfigureRej (PppContext context, const PppConfigurePacket configureReqPacket)
	Send-Configure-Reject callback function. More...

error_t	ipcpSendTerminateReq (PppContext *context)
	Send-Terminate-Request callback function. More...

error_t	ipcpSendTerminateAck (PppContext context, const PppTerminatePacket terminateReqPacket)
	Send-Terminate-Ack callback function. More...

error_t	ipcpSendCodeRej (PppContext context, const PppPacket packet)
	Send-Code-Reject callback function. More...

error_t	ipcpParseOption (PppContext context, PppOption option, size_t inPacketLen, PppConfigurePacket *outPacket)
	Parse IPCP configuration option. More...

error_t	ipcpParseIpAddressOption (PppContext context, IpcpIpAddressOption option, PppConfigurePacket *outPacket)
	Parse IP-Address option. More...

Variables
typedef	__packed_struct
	IP-Addresses option. More...

uint8_t	length

Ipv4Addr	srcIpAddr

Ipv4Addr	destIpAddr

	IpcpIpAddressesOption

uint16_t	protocol

uint8_t	data []

	IpcpIpCompProtocolOption

Ipv4Addr	ipAddr

	IpcpIpAddressOption

	IpcpPrimaryDnsOption

	IpcpPrimaryNbnsOption

	IpcpSecondaryDnsOption

	IpcpSecondaryNbnsOption

Detailed Description

IPCP (PPP Internet Protocol Control 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: 2.3.0

Definition in file ipcp.h.

Macro Definition Documentation

◆ IPCP_DEFAULT_SUBNET_MASK

#define IPCP_DEFAULT_SUBNET_MASK IPV4_ADDR(255, 255, 255, 255)

Definition at line 39 of file ipcp.h.

Enumeration Type Documentation

◆ IpcpOptionType

enum IpcpOptionType

IPCP option types.

Enumerator
IPCP_OPTION_IP_ADDRESSES	IP-Addresses.
IPCP_OPTION_IP_COMP_PROTOCOL	IP-Compression-Protocol.
IPCP_OPTION_IP_ADDRESS	IP-Address.
IPCP_OPTION_PRIMARY_DNS	Primary-DNS-Server-Address.
IPCP_OPTION_PRIMARY_NBNS	Primary-NBNS-Server-Address.
IPCP_OPTION_SECONDARY_DNS	Secondary-DNS-Server-Address.
IPCP_OPTION_SECONDARY_NBNS	Secondary-NBNS-Server-Address.

Definition at line 51 of file ipcp.h.

Function Documentation

◆ ipcpClose()

error_t ipcpClose ( PppContext * context )

IPCP Close event.

Parameters

[in] context PPP context

Returns: Error code

Definition at line 97 of file ipcp.c.

◆ ipcpInitRestartCount()

void ipcpInitRestartCount	(	PppContext *	context,
		uint_t	value
	)

Initialize-Restart-Count callback function.

Parameters

[in]	context	PPP context
[in]	value	Restart counter value

Definition at line 715 of file ipcp.c.

◆ ipcpOpen()

error_t ipcpOpen ( PppContext * context )

IPCP Open event.

Parameters

[in] context PPP context

Returns: Error code

Definition at line 76 of file ipcp.c.

◆ ipcpParseIpAddressOption()

error_t ipcpParseIpAddressOption	(	PppContext *	context,
		IpcpIpAddressOption *	option,
		PppConfigurePacket *	outPacket
	)

Parse IP-Address option.

Parameters

[in]	context	PPP context
[in]	option	Option to be checked
[out]	outPacket	Pointer to the Configure-Nak or Configure-Reject packet

Returns: Error code

Definition at line 1035 of file ipcp.c.

◆ ipcpParseOption()

error_t ipcpParseOption	(	PppContext *	context,
		PppOption *	option,
		size_t	inPacketLen,
		PppConfigurePacket *	outPacket
	)

Parse IPCP configuration option.

Parameters

[in]	context	PPP context
[in]	option	Option to be checked
[in]	inPacketLen	Remaining bytes to process in the incoming packet
[out]	outPacket	Pointer to the Configure-Ack, Nak or Reject packet

Returns: Error code

Definition at line 983 of file ipcp.c.

◆ ipcpProcessCodeRej()

error_t ipcpProcessCodeRej	(	PppContext *	context,
		const PppCodeRejPacket *	codeRejPacket
	)

Process Code-Reject packet.

Parameters

[in]	context	PPP context
[in]	codeRejPacket	Packet received from the peer

Returns: Error code

Definition at line 549 of file ipcp.c.

◆ ipcpProcessConfigureAck()

error_t ipcpProcessConfigureAck	(	PppContext *	context,
		const PppConfigurePacket *	configureAckPacket
	)

Process Configure-Ack packet.

Parameters

[in]	context	PPP context
[in]	configureAckPacket	Packet received from the peer

Returns: Error code

Definition at line 321 of file ipcp.c.

◆ ipcpProcessConfigureNak()

error_t ipcpProcessConfigureNak	(	PppContext *	context,
		const PppConfigurePacket *	configureNakPacket
	)

Process Configure-Nak packet.

Parameters

[in]	context	PPP context
[in]	configureNakPacket	Packet received from the peer

Returns: Error code

Definition at line 347 of file ipcp.c.

◆ ipcpProcessConfigureReject()

error_t ipcpProcessConfigureReject	(	PppContext *	context,
		const PppConfigurePacket *	configureRejPacket
	)

Process Configure-Reject packet.

Parameters

[in]	context	PPP context
[in]	configureRejPacket	Packet received from the peer

Returns: Error code

Definition at line 436 of file ipcp.c.

◆ ipcpProcessConfigureReq()

error_t ipcpProcessConfigureReq	(	PppContext *	context,
		const PppConfigurePacket *	configureReqPacket
	)

Process Configure-Request packet.

Parameters

[in]	context	PPP context
[in]	configureReqPacket	Packet received from the peer

Returns: Error code

Definition at line 225 of file ipcp.c.

◆ ipcpProcessPacket()

void ipcpProcessPacket	(	PppContext *	context,
		const PppPacket *	packet,
		size_t	length
	)

Process an incoming IPCP packet.

Parameters

[in]	context	PPP context
[in]	packet	IPCP packet received from the peer
[in]	length	Length of the packet, in bytes

Definition at line 151 of file ipcp.c.

◆ ipcpProcessTerminateAck()

error_t ipcpProcessTerminateAck	(	PppContext *	context,
		const PppTerminatePacket *	terminateAckPacket
	)

Process Terminate-Ack packet.

Parameters

[in]	context	PPP context
[in]	terminateAckPacket	Packet received from the peer

Returns: Error code

Definition at line 526 of file ipcp.c.

◆ ipcpProcessTerminateReq()

error_t ipcpProcessTerminateReq	(	PppContext *	context,
		const PppTerminatePacket *	terminateReqPacket
	)

Process Terminate-Request packet.

Parameters

[in]	context	PPP context
[in]	terminateReqPacket	Packet received from the peer

Returns: Error code

Definition at line 504 of file ipcp.c.

◆ ipcpProcessUnknownCode()

error_t ipcpProcessUnknownCode	(	PppContext *	context,
		const PppPacket *	packet
	)

Process packet with unknown code.

Parameters

[in]	context	PPP context
[in]	packet	Un-interpretable packet received from the peer

Returns: Error code

Definition at line 596 of file ipcp.c.

◆ ipcpSendCodeRej()

error_t ipcpSendCodeRej	(	PppContext *	context,
		const PppPacket *	packet
	)

Send-Code-Reject callback function.

Parameters

[in]	context	PPP context
[in]	packet	Un-interpretable packet received from the peer

Returns: Error code

Definition at line 961 of file ipcp.c.

◆ ipcpSendConfigureAck()

error_t ipcpSendConfigureAck	(	PppContext *	context,
		const PppConfigurePacket *	configureReqPacket
	)

Send-Configure-Ack callback function.

Parameters

[in]	context	PPP context
[in]	configureReqPacket	Configure-Request packet received from the peer

Returns: Error code

Definition at line 839 of file ipcp.c.

◆ ipcpSendConfigureNak()

error_t ipcpSendConfigureNak	(	PppContext *	context,
		const PppConfigurePacket *	configureReqPacket
	)

Send-Configure-Nak callback function.

Parameters

[in]	context	PPP context
[in]	configureReqPacket	Configure-Request packet received from the peer

Returns: Error code

Definition at line 858 of file ipcp.c.

◆ ipcpSendConfigureRej()

error_t ipcpSendConfigureRej	(	PppContext *	context,
		const PppConfigurePacket *	configureReqPacket
	)

Send-Configure-Reject callback function.

Parameters

[in]	context	PPP context
[in]	configureReqPacket	Configure-Request packet received from the peer

Returns: Error code

Definition at line 877 of file ipcp.c.

◆ ipcpSendConfigureReq()

error_t ipcpSendConfigureReq ( PppContext * context )

Send-Configure-Request callback function.

Parameters

[in] context PPP context

Returns: Error code

Definition at line 751 of file ipcp.c.

◆ ipcpSendTerminateAck()

error_t ipcpSendTerminateAck	(	PppContext *	context,
		const PppTerminatePacket *	terminateReqPacket
	)

Send-Terminate-Ack callback function.

Parameters

[in]	context	PPP context
[in]	terminateReqPacket	Terminate-Request packet received from the peer

Returns: Error code

Definition at line 927 of file ipcp.c.

◆ ipcpSendTerminateReq()

error_t ipcpSendTerminateReq ( PppContext * context )

Send-Terminate-Request callback function.

Parameters

[in] context PPP context

Returns: Error code

Definition at line 895 of file ipcp.c.

◆ ipcpThisLayerDown()

void ipcpThisLayerDown ( PppContext * context )

This-Layer-Down callback function.

Parameters

[in] context PPP context

Definition at line 663 of file ipcp.c.

◆ ipcpThisLayerFinished()

void ipcpThisLayerFinished ( PppContext * context )

This-Layer-Finished callback function.

Parameters

[in] context PPP context

Definition at line 702 of file ipcp.c.

◆ ipcpThisLayerStarted()

void ipcpThisLayerStarted ( PppContext * context )

This-Layer-Started callback function.

Parameters

[in] context PPP context

Definition at line 690 of file ipcp.c.

◆ ipcpThisLayerUp()

void ipcpThisLayerUp ( PppContext * context )

This-Layer-Up callback function.

Parameters

[in] context PPP context

Definition at line 616 of file ipcp.c.

◆ ipcpTick()

void ipcpTick ( PppContext * context )

IPCP timer handler.

This routine must be periodically called by the TCP/IP stack to manage retransmissions

Parameters

[in] context PPP context

Definition at line 121 of file ipcp.c.

◆ ipcpZeroRestartCount()

void ipcpZeroRestartCount ( PppContext * context )

Zero-Restart-Count callback function.

Parameters

[in] context PPP context

Definition at line 730 of file ipcp.c.

Variable Documentation

◆ __packed_struct

typedef __packed_struct

Initial value:

{

uint8_t type

IP-Addresses option.

Secondary-NBNS-Server-Address option.

Secondary-DNS-Server-Address option.

Primary-NBNS-Server-Address option.

Primary-DNS-Server-Address option.

IP-Address option.

IP-Compression-Protocol option.

Definition at line 73 of file ipcp.h.

◆ data

uint8_t data[]

Definition at line 91 of file ipcp.h.

◆ destIpAddr

Ipv4Addr destIpAddr

Definition at line 78 of file ipcp.h.

◆ ipAddr

Ipv4Addr ipAddr

Definition at line 103 of file ipcp.h.

◆ IpcpIpAddressesOption

IpcpIpAddressesOption

Definition at line 79 of file ipcp.h.

◆ IpcpIpAddressOption

IpcpIpAddressOption

Definition at line 104 of file ipcp.h.

◆ IpcpIpCompProtocolOption

IpcpIpCompProtocolOption

Definition at line 92 of file ipcp.h.

◆ IpcpPrimaryDnsOption

IpcpPrimaryDnsOption

Definition at line 116 of file ipcp.h.

◆ IpcpPrimaryNbnsOption

IpcpPrimaryNbnsOption

Definition at line 128 of file ipcp.h.

◆ IpcpSecondaryDnsOption

IpcpSecondaryDnsOption

Definition at line 140 of file ipcp.h.

◆ IpcpSecondaryNbnsOption

IpcpSecondaryNbnsOption

Definition at line 152 of file ipcp.h.

◆ length

uint8_t length

Definition at line 76 of file ipcp.h.

◆ protocol

uint16_t protocol

Definition at line 90 of file ipcp.h.

◆ srcIpAddr

Ipv4Addr srcIpAddr

Definition at line 77 of file ipcp.h.

Macros

Enumerations

Functions

Variables

Detailed Description

License

Macro Definition Documentation

◆ IPCP_DEFAULT_SUBNET_MASK

Enumeration Type Documentation

◆ IpcpOptionType

Function Documentation

◆ ipcpClose()

◆ ipcpInitRestartCount()

◆ ipcpOpen()

◆ ipcpParseIpAddressOption()

◆ ipcpParseOption()

◆ ipcpProcessCodeRej()

◆ ipcpProcessConfigureAck()

◆ ipcpProcessConfigureNak()

◆ ipcpProcessConfigureReject()

◆ ipcpProcessConfigureReq()

◆ ipcpProcessPacket()

◆ ipcpProcessTerminateAck()

◆ ipcpProcessTerminateReq()

◆ ipcpProcessUnknownCode()

◆ ipcpSendCodeRej()

◆ ipcpSendConfigureAck()

◆ ipcpSendConfigureNak()

◆ ipcpSendConfigureRej()

◆ ipcpSendConfigureReq()

◆ ipcpSendTerminateAck()

◆ ipcpSendTerminateReq()

◆ ipcpThisLayerDown()

◆ ipcpThisLayerFinished()

◆ ipcpThisLayerStarted()

◆ ipcpThisLayerUp()

◆ ipcpTick()

◆ ipcpZeroRestartCount()

Variable Documentation

◆ __packed_struct

◆ data

◆ destIpAddr

◆ ipAddr

◆ IpcpIpAddressesOption

◆ IpcpIpAddressOption

◆ IpcpIpCompProtocolOption

◆ IpcpPrimaryDnsOption

◆ IpcpPrimaryNbnsOption

◆ IpcpSecondaryDnsOption

◆ IpcpSecondaryNbnsOption

◆ length

◆ protocol

◆ srcIpAddr