rndis_driver.h File Reference

RNDIS driver. More...

#include "core/nic.h"

Go to the source code of this file.

Data Structures
struct	RndisTxBufferDesc
	TX buffer descriptor. More...
struct	RndisRxBufferDesc
	RX buffer descriptor. More...

Macros
#define	RNDIS_TX_BUFFER_COUNT   2
#define	RNDIS_TX_BUFFER_SIZE   2048
#define	RNDIS_RX_BUFFER_COUNT   1
#define	RNDIS_RX_BUFFER_SIZE   2048

Functions
error_t	rndisDriverInit (NetInterface *interface)
	RNDIS driver initialization. More...
void	rndisDriverTick (NetInterface *interface)
	RNDIS driver timer handler. More...
void	rndisDriverEnableIrq (NetInterface *interface)
	Enable interrupts. More...
void	rndisDriverDisableIrq (NetInterface *interface)
	Disable interrupts. More...
void	rndisDriverEventHandler (NetInterface *interface)
	RNDIS driver event handler. More...
error_t	rndisDriverSendPacket (NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
	Send a packet. More...
error_t	rndisDriverReceivePacket (NetInterface *interface, uint8_t *buffer, size_t size, size_t *length)
	Receive a packet. More...
error_t	rndisDriverSetMulticastFilter (NetInterface *interface)
	Configure multicast MAC address filtering. More...

Variables
const NicDriver	rndisDriver
	RNDIS driver. More...
NetInterface *	rndisDriverInterface
RndisTxBufferDesc	rndisTxBuffer [RNDIS_TX_BUFFER_COUNT]
RndisRxBufferDesc	rndisRxBuffer [RNDIS_RX_BUFFER_COUNT]
uint_t	rndisTxWriteIndex
uint_t	rndisTxReadIndex
uint_t	rndisRxWriteIndex
uint_t	rndisRxReadIndex

Detailed Description

RNDIS driver.

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 rndis_driver.h.

Macro Definition Documentation

RNDIS_RX_BUFFER_COUNT

#define RNDIS_RX_BUFFER_COUNT   1

Definition at line 53 of file rndis_driver.h.

RNDIS_RX_BUFFER_SIZE

#define RNDIS_RX_BUFFER_SIZE   2048

Definition at line 60 of file rndis_driver.h.

RNDIS_TX_BUFFER_COUNT

#define RNDIS_TX_BUFFER_COUNT   2

Definition at line 39 of file rndis_driver.h.

RNDIS_TX_BUFFER_SIZE

#define RNDIS_TX_BUFFER_SIZE   2048

Definition at line 46 of file rndis_driver.h.

Function Documentation

rndisDriverDisableIrq()

void rndisDriverDisableIrq

(

NetInterface *

interface

)

Disable interrupts.

Parameters

[in]

interface

Underlying network interface

Definition at line 151 of file rndis_driver.c.

rndisDriverEnableIrq()

void rndisDriverEnableIrq

(

NetInterface *

interface

)

Enable interrupts.

Parameters

[in]

interface

Underlying network interface

Definition at line 139 of file rndis_driver.c.

rndisDriverEventHandler()

void rndisDriverEventHandler

(

NetInterface *

interface

)

RNDIS driver event handler.

Parameters

[in]

interface

Underlying network interface

Definition at line 163 of file rndis_driver.c.

rndisDriverInit()

error_t rndisDriverInit

(

NetInterface *

interface

)

RNDIS driver initialization.

Parameters

[in]

interface

Underlying network interface

Returns

Error code

Definition at line 88 of file rndis_driver.c.

rndisDriverReceivePacket()

error_t rndisDriverReceivePacket	(	NetInterface *	interface,
		uint8_t *	buffer,
		size_t	size,
		size_t *	length
	)

Receive a packet.

Parameters

[in]	interface	Underlying network interface
[out]	buffer	Buffer where to store the incoming data
[in]	size	Maximum number of bytes that can be received
[out]	length	Number of bytes that have been received

Returns

Error code

Definition at line 329 of file rndis_driver.c.

rndisDriverSendPacket()

error_t rndisDriverSendPacket	(	NetInterface *	interface,
		const NetBuffer *	buffer,
		size_t	offset,
		NetTxAncillary *	ancillary
	)

Send a packet.

Parameters

[in]	interface	Underlying network interface
[in]	buffer	Multi-part buffer containing the data to send
[in]	offset	Offset to the first data byte
[in]	ancillary	Additional options passed to the stack along with the packet

Returns

Error code

Definition at line 227 of file rndis_driver.c.

rndisDriverSetMulticastFilter()

error_t rndisDriverSetMulticastFilter

(

NetInterface *

interface

)

Configure multicast MAC address filtering.

Parameters

[in]

interface

Underlying network interface

Returns

Error code

Definition at line 413 of file rndis_driver.c.

rndisDriverTick()

void rndisDriverTick

(

NetInterface *

interface

)

RNDIS driver timer handler.

This routine is periodically called by the TCP/IP stack to handle periodic operations such as polling the link state

Parameters

[in]

interface

Underlying network interface

Definition at line 128 of file rndis_driver.c.

Variable Documentation

rndisDriver

const NicDriver rndisDriver

extern

RNDIS driver.

Definition at line 61 of file rndis_driver.c.

rndisDriverInterface

NetInterface* rndisDriverInterface

extern

Definition at line 44 of file rndis_driver.c.

rndisRxBuffer

RndisRxBufferDesc rndisRxBuffer[RNDIS_RX_BUFFER_COUNT]

extern

Definition at line 48 of file rndis_driver.c.

rndisRxReadIndex

uint_t rndisRxReadIndex

extern

Definition at line 54 of file rndis_driver.c.

rndisRxWriteIndex

uint_t rndisRxWriteIndex

extern

Definition at line 53 of file rndis_driver.c.

rndisTxBuffer

RndisTxBufferDesc rndisTxBuffer[RNDIS_TX_BUFFER_COUNT]

extern

Definition at line 47 of file rndis_driver.c.

rndisTxReadIndex

uint_t rndisTxReadIndex

extern

Definition at line 52 of file rndis_driver.c.

rndisTxWriteIndex

uint_t rndisTxWriteIndex

extern

Definition at line 51 of file rndis_driver.c.