NXP i.MX RT1170 Ethernet MAC driver (ENET instance) More...
#include "core/nic.h"Go to the source code of this file.
Macros | |
| #define | MIMXRT1170_ETH1_TX_BUFFER_COUNT 8 | 
| #define | MIMXRT1170_ETH1_TX_BUFFER_SIZE 1536 | 
| #define | MIMXRT1170_ETH1_RX_BUFFER_COUNT 8 | 
| #define | MIMXRT1170_ETH1_RX_BUFFER_SIZE 1536 | 
| #define | MIMXRT1170_ETH1_IRQ_PRIORITY_GROUPING 3 | 
| #define | MIMXRT1170_ETH1_IRQ_GROUP_PRIORITY 12 | 
| #define | MIMXRT1170_ETH1_IRQ_SUB_PRIORITY 0 | 
| #define | MIMXRT1170_ETH1_RAM_SECTION ".ram_no_cache" | 
| #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_TBD1_DATA_POINTER 0xFFFFFFFF | 
| #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_TBD5_TIMESTAMP 0xFFFFFFFF | 
| #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_RBD1_DATA_POINTER 0xFFFFFFFF | 
| #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_RBD3_PAYLOAD_CHECKSUM 0x0000FFFF | 
| #define | ENET_RBD4_BDU 0x80000000 | 
| #define | ENET_RBD5_TIMESTAMP 0xFFFFFFFF | 
Functions | |
| error_t | mimxrt1170Eth1Init (NetInterface *interface) | 
| i.MX RT1170 Ethernet MAC initialization  More... | |
| void | mimxrt1170Eth1InitGpio (NetInterface *interface) | 
| GPIO configuration.  More... | |
| void | mimxrt1170Eth1InitBufferDesc (NetInterface *interface) | 
| Initialize buffer descriptors.  More... | |
| void | mimxrt1170Eth1Tick (NetInterface *interface) | 
| i.MX RT1170 Ethernet MAC timer handler  More... | |
| void | mimxrt1170Eth1EnableIrq (NetInterface *interface) | 
| Enable interrupts.  More... | |
| void | mimxrt1170Eth1DisableIrq (NetInterface *interface) | 
| Disable interrupts.  More... | |
| void | mimxrt1170Eth1EventHandler (NetInterface *interface) | 
| i.MX RT1170 Ethernet MAC event handler  More... | |
| error_t | mimxrt1170Eth1SendPacket (NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary) | 
| Send a packet.  More... | |
| error_t | mimxrt1170Eth1ReceivePacket (NetInterface *interface) | 
| Receive a packet.  More... | |
| error_t | mimxrt1170Eth1UpdateMacAddrFilter (NetInterface *interface) | 
| Configure MAC address filtering.  More... | |
| error_t | mimxrt1170Eth1UpdateMacConfig (NetInterface *interface) | 
| Adjust MAC configuration parameters for proper operation.  More... | |
| void | mimxrt1170Eth1WritePhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data) | 
| Write PHY register.  More... | |
| uint16_t | mimxrt1170Eth1ReadPhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr) | 
| Read PHY register.  More... | |
| uint32_t | mimxrt1170Eth1CalcCrc (const void *data, size_t length) | 
| CRC calculation.  More... | |
Variables | |
| const NicDriver | mimxrt1170Eth1Driver | 
| i.MX RT1170 Ethernet MAC driver (ENET instance)  More... | |
Detailed Description
NXP i.MX RT1170 Ethernet MAC driver (ENET instance)
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.
- Version
 - 2.5.4
 
Definition in file mimxrt1170_eth1_driver.h.
Macro Definition Documentation
◆ ENET_RBD0_BC
| #define ENET_RBD0_BC 0x00800000 | 
Definition at line 121 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_CR
| #define ENET_RBD0_CR 0x00040000 | 
Definition at line 125 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_DATA_LENGTH
| #define ENET_RBD0_DATA_LENGTH 0x0000FFFF | 
Definition at line 128 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_E
| #define ENET_RBD0_E 0x80000000 | 
Definition at line 115 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_L
| #define ENET_RBD0_L 0x08000000 | 
Definition at line 119 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_LG
| #define ENET_RBD0_LG 0x00200000 | 
Definition at line 123 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_M
| #define ENET_RBD0_M 0x01000000 | 
Definition at line 120 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_MC
| #define ENET_RBD0_MC 0x00400000 | 
Definition at line 122 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_NO
| #define ENET_RBD0_NO 0x00100000 | 
Definition at line 124 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_OV
| #define ENET_RBD0_OV 0x00020000 | 
Definition at line 126 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_RO1
| #define ENET_RBD0_RO1 0x40000000 | 
Definition at line 116 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_RO2
| #define ENET_RBD0_RO2 0x10000000 | 
Definition at line 118 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_TR
| #define ENET_RBD0_TR 0x00010000 | 
Definition at line 127 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD0_W
| #define ENET_RBD0_W 0x20000000 | 
Definition at line 117 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD1_DATA_POINTER
| #define ENET_RBD1_DATA_POINTER 0xFFFFFFFF | 
Definition at line 129 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_CE
| #define ENET_RBD2_CE 0x02000000 | 
Definition at line 132 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_FRAG
| #define ENET_RBD2_FRAG 0x00000001 | 
Definition at line 140 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_ICE
| #define ENET_RBD2_ICE 0x00000020 | 
Definition at line 136 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_INT
| #define ENET_RBD2_INT 0x00800000 | 
Definition at line 134 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_IPV6
| #define ENET_RBD2_IPV6 0x00000002 | 
Definition at line 139 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_ME
| #define ENET_RBD2_ME 0x80000000 | 
Definition at line 130 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_PCR
| #define ENET_RBD2_PCR 0x00000010 | 
Definition at line 137 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_PE
| #define ENET_RBD2_PE 0x04000000 | 
Definition at line 131 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_UC
| #define ENET_RBD2_UC 0x01000000 | 
Definition at line 133 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_VLAN
| #define ENET_RBD2_VLAN 0x00000004 | 
Definition at line 138 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD2_VPCP
| #define ENET_RBD2_VPCP 0x0000E000 | 
Definition at line 135 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD3_HEADER_LENGTH
| #define ENET_RBD3_HEADER_LENGTH 0xF8000000 | 
Definition at line 141 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD3_PAYLOAD_CHECKSUM
| #define ENET_RBD3_PAYLOAD_CHECKSUM 0x0000FFFF | 
Definition at line 143 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD3_PROTOCOL_TYPE
| #define ENET_RBD3_PROTOCOL_TYPE 0x00FF0000 | 
Definition at line 142 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD4_BDU
| #define ENET_RBD4_BDU 0x80000000 | 
Definition at line 144 of file mimxrt1170_eth1_driver.h.
◆ ENET_RBD5_TIMESTAMP
| #define ENET_RBD5_TIMESTAMP 0xFFFFFFFF | 
Definition at line 145 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD0_DATA_LENGTH
| #define ENET_TBD0_DATA_LENGTH 0x0000FFFF | 
Definition at line 98 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD0_L
| #define ENET_TBD0_L 0x08000000 | 
Definition at line 96 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD0_R
| #define ENET_TBD0_R 0x80000000 | 
Definition at line 92 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD0_TC
| #define ENET_TBD0_TC 0x04000000 | 
Definition at line 97 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD0_TO1
| #define ENET_TBD0_TO1 0x40000000 | 
Definition at line 93 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD0_TO2
| #define ENET_TBD0_TO2 0x10000000 | 
Definition at line 95 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD0_W
| #define ENET_TBD0_W 0x20000000 | 
Definition at line 94 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD1_DATA_POINTER
| #define ENET_TBD1_DATA_POINTER 0xFFFFFFFF | 
Definition at line 99 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_EE
| #define ENET_TBD2_EE 0x00001000 | 
Definition at line 106 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_FE
| #define ENET_TBD2_FE 0x00000800 | 
Definition at line 107 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_IINS
| #define ENET_TBD2_IINS 0x08000000 | 
Definition at line 103 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_INT
| #define ENET_TBD2_INT 0x40000000 | 
Definition at line 100 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_LCE
| #define ENET_TBD2_LCE 0x00000400 | 
Definition at line 108 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_OE
| #define ENET_TBD2_OE 0x00000200 | 
Definition at line 109 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_PINS
| #define ENET_TBD2_PINS 0x10000000 | 
Definition at line 102 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_TS
| #define ENET_TBD2_TS 0x20000000 | 
Definition at line 101 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_TSE
| #define ENET_TBD2_TSE 0x00000100 | 
Definition at line 110 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_TXE
| #define ENET_TBD2_TXE 0x00008000 | 
Definition at line 104 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD2_UE
| #define ENET_TBD2_UE 0x00002000 | 
Definition at line 105 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD4_BDU
| #define ENET_TBD4_BDU 0x80000000 | 
Definition at line 111 of file mimxrt1170_eth1_driver.h.
◆ ENET_TBD5_TIMESTAMP
| #define ENET_TBD5_TIMESTAMP 0xFFFFFFFF | 
Definition at line 112 of file mimxrt1170_eth1_driver.h.
◆ MIMXRT1170_ETH1_IRQ_GROUP_PRIORITY
| #define MIMXRT1170_ETH1_IRQ_GROUP_PRIORITY 12 | 
Definition at line 74 of file mimxrt1170_eth1_driver.h.
◆ MIMXRT1170_ETH1_IRQ_PRIORITY_GROUPING
| #define MIMXRT1170_ETH1_IRQ_PRIORITY_GROUPING 3 | 
Definition at line 67 of file mimxrt1170_eth1_driver.h.
◆ MIMXRT1170_ETH1_IRQ_SUB_PRIORITY
| #define MIMXRT1170_ETH1_IRQ_SUB_PRIORITY 0 | 
Definition at line 81 of file mimxrt1170_eth1_driver.h.
◆ MIMXRT1170_ETH1_RAM_SECTION
| #define MIMXRT1170_ETH1_RAM_SECTION ".ram_no_cache" | 
Definition at line 88 of file mimxrt1170_eth1_driver.h.
◆ MIMXRT1170_ETH1_RX_BUFFER_COUNT
| #define MIMXRT1170_ETH1_RX_BUFFER_COUNT 8 | 
Definition at line 53 of file mimxrt1170_eth1_driver.h.
◆ MIMXRT1170_ETH1_RX_BUFFER_SIZE
| #define MIMXRT1170_ETH1_RX_BUFFER_SIZE 1536 | 
Definition at line 60 of file mimxrt1170_eth1_driver.h.
◆ MIMXRT1170_ETH1_TX_BUFFER_COUNT
| #define MIMXRT1170_ETH1_TX_BUFFER_COUNT 8 | 
Definition at line 39 of file mimxrt1170_eth1_driver.h.
◆ MIMXRT1170_ETH1_TX_BUFFER_SIZE
| #define MIMXRT1170_ETH1_TX_BUFFER_SIZE 1536 | 
Definition at line 46 of file mimxrt1170_eth1_driver.h.
Function Documentation
◆ mimxrt1170Eth1CalcCrc()
| uint32_t mimxrt1170Eth1CalcCrc | ( | const void * | data, | 
| size_t | length | ||
| ) | 
CRC calculation.
- Parameters
 - 
  
[in] data Pointer to the data over which to calculate the CRC [in] length Number of bytes to process  
- Returns
 - Resulting CRC value
 
Definition at line 1104 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1DisableIrq()
| void mimxrt1170Eth1DisableIrq | ( | NetInterface * | interface | ) | 
Disable interrupts.
- Parameters
 - 
  
[in] interface Underlying network interface  
Definition at line 572 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1EnableIrq()
| void mimxrt1170Eth1EnableIrq | ( | NetInterface * | interface | ) | 
Enable interrupts.
- Parameters
 - 
  
[in] interface Underlying network interface  
Definition at line 544 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1EventHandler()
| void mimxrt1170Eth1EventHandler | ( | NetInterface * | interface | ) | 
i.MX RT1170 Ethernet MAC event handler
- Parameters
 - 
  
[in] interface Underlying network interface  
Definition at line 663 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1Init()
| error_t mimxrt1170Eth1Init | ( | NetInterface * | interface | ) | 
i.MX RT1170 Ethernet MAC initialization
- Parameters
 - 
  
[in] interface Underlying network interface  
- Returns
 - Error code
 
Definition at line 120 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1InitBufferDesc()
| void mimxrt1170Eth1InitBufferDesc | ( | NetInterface * | interface | ) | 
Initialize buffer descriptors.
- Parameters
 - 
  
[in] interface Underlying network interface  
Definition at line 458 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1InitGpio()
| void mimxrt1170Eth1InitGpio | ( | NetInterface * | interface | ) | 
GPIO configuration.
- Parameters
 - 
  
[in] interface Underlying network interface  
Definition at line 240 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1ReadPhyReg()
| uint16_t mimxrt1170Eth1ReadPhyReg | ( | uint8_t | opcode, | 
| uint8_t | phyAddr, | ||
| uint8_t | regAddr | ||
| ) | 
Read PHY register.
- Parameters
 - 
  
[in] opcode Access type (2 bits) [in] phyAddr PHY address (5 bits) [in] regAddr Register address (5 bits)  
- Returns
 - Register value
 
Definition at line 1057 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1ReceivePacket()
| error_t mimxrt1170Eth1ReceivePacket | ( | NetInterface * | interface | ) | 
Receive a packet.
- Parameters
 - 
  
[in] interface Underlying network interface  
- Returns
 - Error code
 
Definition at line 791 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1SendPacket()
| error_t mimxrt1170Eth1SendPacket | ( | 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 718 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1Tick()
| void mimxrt1170Eth1Tick | ( | NetInterface * | interface | ) | 
i.MX RT1170 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] interface Underlying network interface  
Definition at line 519 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1UpdateMacAddrFilter()
| error_t mimxrt1170Eth1UpdateMacAddrFilter | ( | NetInterface * | interface | ) | 
Configure MAC address filtering.
- Parameters
 - 
  
[in] interface Underlying network interface  
- Returns
 - Error code
 
Definition at line 872 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1UpdateMacConfig()
| error_t mimxrt1170Eth1UpdateMacConfig | ( | NetInterface * | interface | ) | 
Adjust MAC configuration parameters for proper operation.
- Parameters
 - 
  
[in] interface Underlying network interface  
- Returns
 - Error code
 
Definition at line 961 of file mimxrt1170_eth1_driver.c.
◆ mimxrt1170Eth1WritePhyReg()
| void mimxrt1170Eth1WritePhyReg | ( | uint8_t | opcode, | 
| uint8_t | phyAddr, | ||
| uint8_t | regAddr, | ||
| uint16_t | data | ||
| ) | 
Write PHY register.
- Parameters
 - 
  
[in] opcode Access type (2 bits) [in] phyAddr PHY address (5 bits) [in] regAddr Register address (5 bits) [in] data Register value  
Definition at line 1015 of file mimxrt1170_eth1_driver.c.
Variable Documentation
◆ mimxrt1170Eth1Driver
      
  | 
  extern | 
i.MX RT1170 Ethernet MAC driver (ENET instance)
Definition at line 93 of file mimxrt1170_eth1_driver.c.
