mcxe31b_eth_driver.c File Reference

NXP MCX E31B Ethernet MAC driver. More...

#include "fsl_device_registers.h"
#include "fsl_clock.h"
#include "fsl_memory.h"
#include "fsl_siul2.h"
#include "core/net.h"
#include "drivers/mac/mcxe31b_eth_driver.h"
#include "debug.h"

Go to the source code of this file.

Macros

#define TRACE_LEVEL   NIC_TRACE_LEVEL
 

Functions

error_t mcxe31bEthInit (NetInterface *interface)
 MCX E31B Ethernet MAC initialization. More...
 
__weak_func void mcxe31bEthInitGpio (NetInterface *interface)
 GPIO configuration. More...
 
void mcxe31bEthInitDmaDesc (NetInterface *interface)
 Initialize DMA descriptor lists. More...
 
void mcxe31bEthTick (NetInterface *interface)
 MCX E31B Ethernet MAC timer handler. More...
 
void mcxe31bEthEnableIrq (NetInterface *interface)
 Enable interrupts. More...
 
void mcxe31bEthDisableIrq (NetInterface *interface)
 Disable interrupts. More...
 
void EMAC_0_IRQHandler (void)
 MCX E31B Ethernet MAC interrupt service routine. More...
 
void mcxe31bEthEventHandler (NetInterface *interface)
 MCX E31B Ethernet MAC event handler. More...
 
error_t mcxe31bEthSendPacket (NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
 Send a packet. More...
 
error_t mcxe31bEthReceivePacket (NetInterface *interface)
 Receive a packet. More...
 
error_t mcxe31bEthUpdateMacAddrFilter (NetInterface *interface)
 Configure MAC address filtering. More...
 
error_t mcxe31bEthUpdateMacConfig (NetInterface *interface)
 Adjust MAC configuration parameters for proper operation. More...
 
void mcxe31bEthWritePhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
 Write PHY register. More...
 
uint16_t mcxe31bEthReadPhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
 Read PHY register. More...
 
uint32_t mcxe31bEthCalcCrc (const void *data, size_t length)
 CRC calculation. More...
 

Variables

const NicDriver mcxe31bEthDriver
 MCX E31B Ethernet MAC driver. More...
 

Detailed Description

NXP MCX E31B Ethernet MAC driver.

License

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

Copyright (C) 2010-2026 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
2.6.0

Definition in file mcxe31b_eth_driver.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL   NIC_TRACE_LEVEL

Definition at line 32 of file mcxe31b_eth_driver.c.

Function Documentation

◆ EMAC_0_IRQHandler()

void EMAC_0_IRQHandler ( void  )

MCX E31B Ethernet MAC interrupt service routine.

Definition at line 450 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthCalcCrc()

uint32_t mcxe31bEthCalcCrc ( const void *  data,
size_t  length 
)

CRC calculation.

Parameters
[in]dataPointer to the data over which to calculate the CRC
[in]lengthNumber of bytes to process
Returns
Resulting CRC value

Definition at line 938 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthDisableIrq()

void mcxe31bEthDisableIrq ( NetInterface interface)

Disable interrupts.

Parameters
[in]interfaceUnderlying network interface

Definition at line 423 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthEnableIrq()

void mcxe31bEthEnableIrq ( NetInterface interface)

Enable interrupts.

Parameters
[in]interfaceUnderlying network interface

Definition at line 395 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthEventHandler()

void mcxe31bEthEventHandler ( NetInterface interface)

MCX E31B Ethernet MAC event handler.

Parameters
[in]interfaceUnderlying network interface

Definition at line 503 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthInit()

error_t mcxe31bEthInit ( NetInterface interface)

MCX E31B Ethernet MAC initialization.

Parameters
[in]interfaceUnderlying network interface
Returns
Error code

Definition at line 121 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthInitDmaDesc()

void mcxe31bEthInitDmaDesc ( NetInterface interface)

Initialize DMA descriptor lists.

Parameters
[in]interfaceUnderlying network interface

Definition at line 313 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthInitGpio()

__weak_func void mcxe31bEthInitGpio ( NetInterface interface)

GPIO configuration.

Parameters
[in]interfaceUnderlying network interface

Definition at line 256 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthReadPhyReg()

uint16_t mcxe31bEthReadPhyReg ( uint8_t  opcode,
uint8_t  phyAddr,
uint8_t  regAddr 
)

Read PHY register.

Parameters
[in]opcodeAccess type (2 bits)
[in]phyAddrPHY address (5 bits)
[in]regAddrRegister address (5 bits)
Returns
Register value

Definition at line 889 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthReceivePacket()

error_t mcxe31bEthReceivePacket ( NetInterface interface)

Receive a packet.

Parameters
[in]interfaceUnderlying network interface
Returns
Error code

Definition at line 595 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthSendPacket()

error_t mcxe31bEthSendPacket ( NetInterface interface,
const NetBuffer buffer,
size_t  offset,
NetTxAncillary ancillary 
)

Send a packet.

Parameters
[in]interfaceUnderlying network interface
[in]bufferMulti-part buffer containing the data to send
[in]offsetOffset to the first data byte
[in]ancillaryAdditional options passed to the stack along with the packet
Returns
Error code

Definition at line 528 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthTick()

void mcxe31bEthTick ( NetInterface interface)

MCX E31B Ethernet MAC timer handler.

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

Parameters
[in]interfaceUnderlying network interface

Definition at line 370 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthUpdateMacAddrFilter()

error_t mcxe31bEthUpdateMacAddrFilter ( NetInterface interface)

Configure MAC address filtering.

Parameters
[in]interfaceUnderlying network interface
Returns
Error code

Definition at line 672 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthUpdateMacConfig()

error_t mcxe31bEthUpdateMacConfig ( NetInterface interface)

Adjust MAC configuration parameters for proper operation.

Parameters
[in]interfaceUnderlying network interface
Returns
Error code

Definition at line 803 of file mcxe31b_eth_driver.c.

◆ mcxe31bEthWritePhyReg()

void mcxe31bEthWritePhyReg ( uint8_t  opcode,
uint8_t  phyAddr,
uint8_t  regAddr,
uint16_t  data 
)

Write PHY register.

Parameters
[in]opcodeAccess type (2 bits)
[in]phyAddrPHY address (5 bits)
[in]regAddrRegister address (5 bits)
[in]dataRegister value

Definition at line 846 of file mcxe31b_eth_driver.c.

Variable Documentation

◆ mcxe31bEthDriver

void mcxe31bEthEventHandler(NetInterface *interface)
MCX E31B Ethernet MAC event handler.
error_t mcxe31bEthUpdateMacConfig(NetInterface *interface)
Adjust MAC configuration parameters for proper operation.
#define TRUE
Definition: os_port.h:50
error_t mcxe31bEthSendPacket(NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
Send a packet.
void mcxe31bEthEnableIrq(NetInterface *interface)
Enable interrupts.
#define FALSE
Definition: os_port.h:46
uint16_t mcxe31bEthReadPhyReg(uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
Read PHY register.
void mcxe31bEthDisableIrq(NetInterface *interface)
Disable interrupts.
void mcxe31bEthTick(NetInterface *interface)
MCX E31B Ethernet MAC timer handler.
void mcxe31bEthWritePhyReg(uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
Write PHY register.
#define ETH_MTU
Definition: ethernet.h:116
error_t mcxe31bEthUpdateMacAddrFilter(NetInterface *interface)
Configure MAC address filtering.
error_t mcxe31bEthInit(NetInterface *interface)
MCX E31B Ethernet MAC initialization.
@ NIC_TYPE_ETHERNET
Ethernet interface.
Definition: nic.h:83