Low Latency Ethernet 10G MAC Intel® FPGA IP User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs

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Date 4/07/2025
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Document Table of Contents
Document Table of Contents x
1. Low Latency Ethernet 10G MAC Intel® FPGA IP Overview 2. Getting Started 3. Functional Description 4. Parameter Settings for the Low Latency Ethernet 10G MAC Intel® FPGA IP Core 5. Interface Signals 6. Configuration Registers 7. Debug Checklist 8. Low Latency Ethernet 10G MAC Intel® FPGA IP User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs Archives 9. Document Revision History for the Low Latency Ethernet 10G MAC Intel® FPGA IP User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs
1. Low Latency Ethernet 10G MAC Intel® FPGA IP Overview x
1.1. Features 1.2. Release Information 1.3. Low Latency Ethernet 10G MAC Operating Modes 1.4. Device Family Support 1.5. Performance and Resource Utilization
1.5. Performance and Resource Utilization x
1.5.1. Resource Utilization 1.5.2. TX and RX Latency
2. Getting Started x
2.1. Introduction to Altera IP Cores 2.2. Installing and Licensing Intel® FPGA IP Cores 2.3. Specifying the IP Parameters and Options ( Quartus® Prime Pro Edition) 2.4. Generated File Structure 2.5. Simulating Intel® FPGA IP Cores 2.6. Upgrading the Low Latency Ethernet 10G MAC Intel® FPGA IP Core 2.7. Low Latency Ethernet 10G MAC Intel® FPGA IP Design Examples
2.6. Upgrading the Low Latency Ethernet 10G MAC Intel® FPGA IP Core x
2.6.1. Design Considerations
2.6.1. Design Considerations x
2.6.1.1. Timing Constraints
2.6.1.1. Timing Constraints x
2.6.1.1.1. Pseudo-Static CSR Fields 2.6.1.1.2. Clock Crosser 2.6.1.1.3. Dual Clock FIFO
2.7. Low Latency Ethernet 10G MAC Intel® FPGA IP Design Examples x
2.7.1. Low Latency Ethernet 10G MAC Intel® FPGA IP Design Example for Agilex™ 3 and Agilex™ 5 Devices
3. Functional Description x
3.1. Architecture 3.2. Interfaces 3.3. Frame Types 3.4. TX Datapath 3.5. RX Datapath 3.6. Flow Control 3.7. Reset Requirements 3.8. XGMII Error Handling (Link Fault) 3.9. IEEE 1588v2
3.4. TX Datapath x
3.4.1. Padding Bytes Insertion 3.4.2. Address Insertion 3.4.3. CRC-32 Insertion 3.4.4. XGMII Encapsulation 3.4.5. Inter-Packet Gap Generation and Insertion 3.4.6. XGMII Transmission 3.4.7. TX Promiscuous (Transparent) Mode 3.4.8. TX Timing Diagrams
3.5. RX Datapath x
3.5.1. XGMII Decapsulation 3.5.2. CRC Checking 3.5.3. Address Checking 3.5.4. Frame Type Checking 3.5.5. Length Checking 3.5.6. CRC and Padding Bytes Removal 3.5.7. Overflow Handling 3.5.8. RX Promiscuous (Transparent) Mode 3.5.9. RX Timing Diagrams
3.5.5. Length Checking x
3.5.5.1. Frame Length 3.5.5.2. Payload Length
3.6. Flow Control x
3.6.1. IEEE 802.3 Flow Control 3.6.2. Priority-Based Flow Control
3.6.1. IEEE 802.3 Flow Control x
3.6.1.1. Pause Frame Reception 3.6.1.2. Pause Frame Transmission
3.6.2. Priority-Based Flow Control x
3.6.2.1. PFC Frame Reception 3.6.2.2. PFC Frame Transmission
3.9. IEEE 1588v2 x
3.9.1. Architecture 3.9.2. TX Datapath 3.9.3. RX Datapath 3.9.4. Frame Format
3.9.4. Frame Format x
3.9.4.1. PTP Packet in IEEE 802.3 3.9.4.2. PTP Packet over UDP/IPv4 3.9.4.3. PTP Packet over UDP/IPv6
5. Interface Signals x
5.1. Clock and Reset Signals 5.2. Speed Selection Signal 5.3. Error Correction Signals 5.4. Avalon® Memory-Mapped Interface Programming Signals 5.5. Avalon® Streaming Data Interfaces 5.6. Avalon® Streaming Flow Control Signals 5.7. Avalon® Streaming Status Interface 5.8. PHY-side Interfaces 5.9. IEEE 1588v2 Interfaces
5.5. Avalon® Streaming Data Interfaces x
5.5.1. Avalon® Streaming TX Data Interface Signals 5.5.2. Avalon® Streaming RX Data Interface Signals 5.5.3. Avalon® Streaming Data Interface Clocks
5.7. Avalon® Streaming Status Interface x
5.7.1. Avalon® Streaming Interface TX Status Signals 5.7.2. Avalon® Streaming Interface RX Status Signals
5.8. PHY-side Interfaces x
5.8.1. XGMII TX Signals 5.8.2. XGMII RX Signals 5.8.3. GMII TX Signals 5.8.4. GMII RX Signals 5.8.5. MII TX Signals 5.8.6. MII RX Signals
5.9. IEEE 1588v2 Interfaces x
5.9.1. IEEE 1588v2 Egress TX Signals 5.9.2. IEEE 1588v2 Ingress RX Signals 5.9.3. IEEE 1588v2 Interface Clocks
6. Configuration Registers x
6.1. Register Map 6.2. Register Access Definition 6.3. Primary MAC Address 6.4. MAC Reset Control Register 6.5. TX Configuration and Status Registers 6.6. Flow Control Registers 6.7. RX Configuration and Status Registers 6.8. ECC Registers 6.9. Statistics Registers 6.10. Timestamp Registers
6.10. Timestamp Registers x
6.10.1. Calculating PHY Total Latency 6.10.2. Calculating Deterministic Latency 6.10.3. PTP Register Configuration
7. Debug Checklist x
7.1. Pre-Debugging Process 7.2. Clock Frequency 7.3. Recommended Reset Handling 7.4. Recommended Signals for Signal Tap
1. Low Latency Ethernet 10G MAC Intel® FPGA IP Overview
2. Getting Started
3. Functional Description
4. Parameter Settings for the Low Latency Ethernet 10G MAC Intel® FPGA IP Core
5. Interface Signals
6. Configuration Registers
7. Debug Checklist
8. Low Latency Ethernet 10G MAC Intel® FPGA IP User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs Archives
9. Document Revision History for the Low Latency Ethernet 10G MAC Intel® FPGA IP User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs

1.2. Release Information

Intel® FPGA IP versions match the Quartus® Prime Design Suite software versions until v19.1. Starting in Quartus® Prime Design Suite software version 19.2, Intel® FPGA IP has a new versioning scheme.

The Intel® FPGA IP version (X.Y.Z) number can change with each Quartus® Prime software version. A change in:

  • X indicates a major revision of the IP. If you update the Quartus® Prime software, you must regenerate the IP.
  • Y indicates the IP includes new features. Regenerate your IP to include these new features.
  • Z indicates the IP includes minor changes. Regenerate your IP to include these changes.
Table 1.  Release Information of the Low Latency Ethernet 10G MAC Intel® FPGA IP for Agilex™ 3 and Agilex™ 5 Devices
Item Description
Quartus® Prime 25.1
IP Version 5.0.0
Release Date 2025.04.07
Ordering Code IP-10GEUMAC
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