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

#include "core/net.h"
#include "ipv4/ipv4.h"
#include "ppp/ppp_fsm.h"
#include "ppp/ppp_misc.h"
#include "ppp/ppp_debug.h"
#include "ppp/ipcp.h"
#include "debug.h"

Macros
#define TRACE_LEVEL PPP_TRACE_LEVEL

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
const PppCallbacks ipcpCallbacks
IPCP FSM callbacks. More...

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: 2.5.0

Definition in file ipcp.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL PPP_TRACE_LEVEL

Definition at line 32 of file ipcp.c.

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 1036 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 984 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 962 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 840 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 859 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 878 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 928 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 896 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

◆ ipcpCallbacks

const PppCallbacks ipcpCallbacks

Initial value:

=
{
   ipcpThisLayerUp,
   ipcpThisLayerDown,
   ipcpThisLayerStarted,
   ipcpThisLayerFinished,
   ipcpInitRestartCount,
   ipcpZeroRestartCount,
   ipcpSendConfigureReq,
   ipcpSendConfigureAck,
   ipcpSendConfigureNak,
   ipcpSendConfigureRej,
   ipcpSendTerminateReq,
   ipcpSendTerminateAck,
   ipcpSendCodeRej,
   NULL
}

IPCP FSM callbacks.

Definition at line 51 of file ipcp.c.

Macros

Functions

Variables

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

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

◆ ipcpCallbacks