mk7x_eth_driver.h File Reference

NXP Kinetis K70 Ethernet MAC driver. More...

Go to the source code of this file.


#define MK7X_ETH_TX_BUFFER_SIZE   1536
#define MK7X_ETH_RX_BUFFER_SIZE   1536
#define ENET_TBD0_R   0x80000000
#define ENET_TBD0_TO1   0x40000000
#define ENET_TBD0_W   0x20000000
#define ENET_TBD0_TO2   0x10000000
#define ENET_TBD0_L   0x08000000
#define ENET_TBD0_TC   0x04000000
#define ENET_TBD0_DATA_LENGTH   0x0000FFFF
#define ENET_TBD2_INT   0x40000000
#define ENET_TBD2_TS   0x20000000
#define ENET_TBD2_PINS   0x10000000
#define ENET_TBD2_IINS   0x08000000
#define ENET_TBD2_TXE   0x00008000
#define ENET_TBD2_UE   0x00002000
#define ENET_TBD2_EE   0x00001000
#define ENET_TBD2_FE   0x00000800
#define ENET_TBD2_LCE   0x00000400
#define ENET_TBD2_OE   0x00000200
#define ENET_TBD2_TSE   0x00000100
#define ENET_TBD4_BDU   0x80000000
#define ENET_RBD0_E   0x80000000
#define ENET_RBD0_RO1   0x40000000
#define ENET_RBD0_W   0x20000000
#define ENET_RBD0_RO2   0x10000000
#define ENET_RBD0_L   0x08000000
#define ENET_RBD0_M   0x01000000
#define ENET_RBD0_BC   0x00800000
#define ENET_RBD0_MC   0x00400000
#define ENET_RBD0_LG   0x00200000
#define ENET_RBD0_NO   0x00100000
#define ENET_RBD0_CR   0x00040000
#define ENET_RBD0_OV   0x00020000
#define ENET_RBD0_TR   0x00010000
#define ENET_RBD0_DATA_LENGTH   0x0000FFFF
#define ENET_RBD2_ME   0x80000000
#define ENET_RBD2_PE   0x04000000
#define ENET_RBD2_CE   0x02000000
#define ENET_RBD2_UC   0x01000000
#define ENET_RBD2_INT   0x00800000
#define ENET_RBD2_VPCP   0x0000E000
#define ENET_RBD2_ICE   0x00000020
#define ENET_RBD2_PCR   0x00000010
#define ENET_RBD2_VLAN   0x00000004
#define ENET_RBD2_IPV6   0x00000002
#define ENET_RBD2_FRAG   0x00000001
#define ENET_RBD3_HEADER_LENGTH   0xF8000000
#define ENET_RBD3_PROTOCOL_TYPE   0x00FF0000
#define ENET_RBD4_BDU   0x80000000


error_t mk7xEthInit (NetInterface *interface)
 Kinetis K7x Ethernet MAC initialization. More...
void mk7xEthInitGpio (NetInterface *interface)
void mk7xEthInitBufferDesc (NetInterface *interface)
 Initialize buffer descriptors. More...
void mk7xEthTick (NetInterface *interface)
 Kinetis K7x Ethernet MAC timer handler. More...
void mk7xEthEnableIrq (NetInterface *interface)
 Enable interrupts. More...
void mk7xEthDisableIrq (NetInterface *interface)
 Disable interrupts. More...
void mk7xEthEventHandler (NetInterface *interface)
 Kinetis K7x Ethernet MAC event handler. More...
error_t mk7xEthSendPacket (NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
 Send a packet. More...
error_t mk7xEthReceivePacket (NetInterface *interface)
 Receive a packet. More...
error_t mk7xEthUpdateMacAddrFilter (NetInterface *interface)
 Configure MAC address filtering. More...
error_t mk7xEthUpdateMacConfig (NetInterface *interface)
 Adjust MAC configuration parameters for proper operation. More...
void mk7xEthWritePhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
 Write PHY register. More...
uint16_t mk7xEthReadPhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
 Read PHY register. More...
uint32_t mk7xEthCalcCrc (const void *data, size_t length)
 CRC calculation. More...


const NicDriver mk7xEthDriver
 Kinetis K7x Ethernet MAC driver. More...

Detailed Description

NXP Kinetis K70 Ethernet MAC driver.


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

Copyright (C) 2010-2020 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.

Oryx Embedded SARL (

Definition in file mk7x_eth_driver.h.

Macro Definition Documentation


#define ENET_RBD0_BC   0x00800000

Definition at line 113 of file mk7x_eth_driver.h.


#define ENET_RBD0_CR   0x00040000

Definition at line 117 of file mk7x_eth_driver.h.


#define ENET_RBD0_DATA_LENGTH   0x0000FFFF

Definition at line 120 of file mk7x_eth_driver.h.


#define ENET_RBD0_E   0x80000000

Definition at line 107 of file mk7x_eth_driver.h.


#define ENET_RBD0_L   0x08000000

Definition at line 111 of file mk7x_eth_driver.h.


#define ENET_RBD0_LG   0x00200000

Definition at line 115 of file mk7x_eth_driver.h.


#define ENET_RBD0_M   0x01000000

Definition at line 112 of file mk7x_eth_driver.h.


#define ENET_RBD0_MC   0x00400000

Definition at line 114 of file mk7x_eth_driver.h.


#define ENET_RBD0_NO   0x00100000

Definition at line 116 of file mk7x_eth_driver.h.


#define ENET_RBD0_OV   0x00020000

Definition at line 118 of file mk7x_eth_driver.h.


#define ENET_RBD0_RO1   0x40000000

Definition at line 108 of file mk7x_eth_driver.h.


#define ENET_RBD0_RO2   0x10000000

Definition at line 110 of file mk7x_eth_driver.h.


#define ENET_RBD0_TR   0x00010000

Definition at line 119 of file mk7x_eth_driver.h.


#define ENET_RBD0_W   0x20000000

Definition at line 109 of file mk7x_eth_driver.h.



Definition at line 121 of file mk7x_eth_driver.h.


#define ENET_RBD2_CE   0x02000000

Definition at line 124 of file mk7x_eth_driver.h.


#define ENET_RBD2_FRAG   0x00000001

Definition at line 132 of file mk7x_eth_driver.h.


#define ENET_RBD2_ICE   0x00000020

Definition at line 128 of file mk7x_eth_driver.h.


#define ENET_RBD2_INT   0x00800000

Definition at line 126 of file mk7x_eth_driver.h.


#define ENET_RBD2_IPV6   0x00000002

Definition at line 131 of file mk7x_eth_driver.h.


#define ENET_RBD2_ME   0x80000000

Definition at line 122 of file mk7x_eth_driver.h.


#define ENET_RBD2_PCR   0x00000010

Definition at line 129 of file mk7x_eth_driver.h.


#define ENET_RBD2_PE   0x04000000

Definition at line 123 of file mk7x_eth_driver.h.


#define ENET_RBD2_UC   0x01000000

Definition at line 125 of file mk7x_eth_driver.h.


#define ENET_RBD2_VLAN   0x00000004

Definition at line 130 of file mk7x_eth_driver.h.


#define ENET_RBD2_VPCP   0x0000E000

Definition at line 127 of file mk7x_eth_driver.h.


#define ENET_RBD3_HEADER_LENGTH   0xF8000000

Definition at line 133 of file mk7x_eth_driver.h.



Definition at line 135 of file mk7x_eth_driver.h.


#define ENET_RBD3_PROTOCOL_TYPE   0x00FF0000

Definition at line 134 of file mk7x_eth_driver.h.


#define ENET_RBD4_BDU   0x80000000

Definition at line 136 of file mk7x_eth_driver.h.



Definition at line 137 of file mk7x_eth_driver.h.


#define ENET_TBD0_DATA_LENGTH   0x0000FFFF

Definition at line 90 of file mk7x_eth_driver.h.


#define ENET_TBD0_L   0x08000000

Definition at line 88 of file mk7x_eth_driver.h.


#define ENET_TBD0_R   0x80000000

Definition at line 84 of file mk7x_eth_driver.h.


#define ENET_TBD0_TC   0x04000000

Definition at line 89 of file mk7x_eth_driver.h.


#define ENET_TBD0_TO1   0x40000000

Definition at line 85 of file mk7x_eth_driver.h.


#define ENET_TBD0_TO2   0x10000000

Definition at line 87 of file mk7x_eth_driver.h.


#define ENET_TBD0_W   0x20000000

Definition at line 86 of file mk7x_eth_driver.h.



Definition at line 91 of file mk7x_eth_driver.h.


#define ENET_TBD2_EE   0x00001000

Definition at line 98 of file mk7x_eth_driver.h.


#define ENET_TBD2_FE   0x00000800

Definition at line 99 of file mk7x_eth_driver.h.


#define ENET_TBD2_IINS   0x08000000

Definition at line 95 of file mk7x_eth_driver.h.


#define ENET_TBD2_INT   0x40000000

Definition at line 92 of file mk7x_eth_driver.h.


#define ENET_TBD2_LCE   0x00000400

Definition at line 100 of file mk7x_eth_driver.h.


#define ENET_TBD2_OE   0x00000200

Definition at line 101 of file mk7x_eth_driver.h.


#define ENET_TBD2_PINS   0x10000000

Definition at line 94 of file mk7x_eth_driver.h.


#define ENET_TBD2_TS   0x20000000

Definition at line 93 of file mk7x_eth_driver.h.


#define ENET_TBD2_TSE   0x00000100

Definition at line 102 of file mk7x_eth_driver.h.


#define ENET_TBD2_TXE   0x00008000

Definition at line 96 of file mk7x_eth_driver.h.


#define ENET_TBD2_UE   0x00002000

Definition at line 97 of file mk7x_eth_driver.h.


#define ENET_TBD4_BDU   0x80000000

Definition at line 103 of file mk7x_eth_driver.h.



Definition at line 104 of file mk7x_eth_driver.h.



Definition at line 71 of file mk7x_eth_driver.h.



Definition at line 64 of file mk7x_eth_driver.h.



Definition at line 78 of file mk7x_eth_driver.h.



Definition at line 50 of file mk7x_eth_driver.h.


#define MK7X_ETH_RX_BUFFER_SIZE   1536

Definition at line 57 of file mk7x_eth_driver.h.



Definition at line 36 of file mk7x_eth_driver.h.


#define MK7X_ETH_TX_BUFFER_SIZE   1536

Definition at line 43 of file mk7x_eth_driver.h.

Function Documentation

◆ mk7xEthCalcCrc()

uint32_t mk7xEthCalcCrc ( const void *  data,
size_t  length 

CRC calculation.

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

Definition at line 975 of file mk7x_eth_driver.c.

◆ mk7xEthDisableIrq()

void mk7xEthDisableIrq ( NetInterface interface)

Disable interrupts.

[in]interfaceUnderlying network interface

Definition at line 408 of file mk7x_eth_driver.c.

◆ mk7xEthEnableIrq()

void mk7xEthEnableIrq ( NetInterface interface)

Enable interrupts.

[in]interfaceUnderlying network interface

Definition at line 377 of file mk7x_eth_driver.c.

◆ mk7xEthEventHandler()

void mk7xEthEventHandler ( NetInterface interface)

Kinetis K7x Ethernet MAC event handler.

[in]interfaceUnderlying network interface

Definition at line 537 of file mk7x_eth_driver.c.

◆ mk7xEthInit()

error_t mk7xEthInit ( NetInterface interface)

Kinetis K7x Ethernet MAC initialization.

[in]interfaceUnderlying network interface
Error code

Definition at line 121 of file mk7x_eth_driver.c.

◆ mk7xEthInitBufferDesc()

void mk7xEthInitBufferDesc ( NetInterface interface)

Initialize buffer descriptors.

[in]interfaceUnderlying network interface

Definition at line 291 of file mk7x_eth_driver.c.

◆ mk7xEthInitGpio()

void mk7xEthInitGpio ( NetInterface interface)

◆ mk7xEthReadPhyReg()

uint16_t mk7xEthReadPhyReg ( uint8_t  opcode,
uint8_t  phyAddr,
uint8_t  regAddr 

Read PHY register.

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

Definition at line 928 of file mk7x_eth_driver.c.

◆ mk7xEthReceivePacket()

error_t mk7xEthReceivePacket ( NetInterface interface)

Receive a packet.

[in]interfaceUnderlying network interface
Error code

Definition at line 662 of file mk7x_eth_driver.c.

◆ mk7xEthSendPacket()

error_t mk7xEthSendPacket ( NetInterface interface,
const NetBuffer buffer,
size_t  offset,
NetTxAncillary ancillary 

Send a packet.

[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
Error code

Definition at line 592 of file mk7x_eth_driver.c.

◆ mk7xEthTick()

void mk7xEthTick ( NetInterface interface)

Kinetis K7x Ethernet MAC timer handler.

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

[in]interfaceUnderlying network interface

Definition at line 352 of file mk7x_eth_driver.c.

◆ mk7xEthUpdateMacAddrFilter()

error_t mk7xEthUpdateMacAddrFilter ( NetInterface interface)

Configure MAC address filtering.

[in]interfaceUnderlying network interface
Error code

Definition at line 743 of file mk7x_eth_driver.c.

◆ mk7xEthUpdateMacConfig()

error_t mk7xEthUpdateMacConfig ( NetInterface interface)

Adjust MAC configuration parameters for proper operation.

[in]interfaceUnderlying network interface
Error code

Definition at line 832 of file mk7x_eth_driver.c.

◆ mk7xEthWritePhyReg()

void mk7xEthWritePhyReg ( uint8_t  opcode,
uint8_t  phyAddr,
uint8_t  regAddr,
uint16_t  data 

Write PHY register.

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

Definition at line 886 of file mk7x_eth_driver.c.

Variable Documentation

◆ mk7xEthDriver

const NicDriver mk7xEthDriver

Kinetis K7x Ethernet MAC driver.

Definition at line 94 of file mk7x_eth_driver.c.