82574L データシートの表示（PDF） - Intel

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82574L

82574 GbE Controller

Intel 

82574 GbE Controller—Datasheet

8.7

8.8

8.9

8.10

8.11

8.12

8.13

8.14

8.15

8.6.1 Transmit Errors in Sequence Handling ..................................................... 206

8.6.2 TCO Command Aborted Flow .................................................................. 206

SMBus ARP Transactions................................................................................... 207

8.7.1 Prepare to ARP ..................................................................................... 207

8.7.2 Reset Device (General).......................................................................... 207

8.7.3 Reset Device (Directed) ......................................................................... 207

8.7.4 Assign Address ..................................................................................... 207

8.7.5 Get UDID (General and Directed)............................................................ 208

SMBus Pass-Through Transactions ..................................................................... 210

8.8.1 Write Transactions ................................................................................ 210

8.8.2 Read Transactions (82574 to MC) ........................................................... 215

SMBus Troubleshooting .................................................................................... 225

8.9.1 SMBus Commands are Always NACK'd by the 82574 ................................. 225

8.9.2 SMBus Clock Speed is 16.6666 KHz......................................................... 225

8.9.3 A Network Based Host Application is not Receiving any Network Packets ...... 225

8.9.4 Status Registers ................................................................................... 226

8.9.5 Unable to Transmit Packets from the MC .................................................. 227

8.9.6 SMBus Fragment Size............................................................................ 227

8.9.7 Enable XSum Filtering ........................................................................... 228

8.9.8 Still Having Problems? ........................................................................... 228

NC-SI Interface ............................................................................................... 228

Overview ........................................................................................................ 228

8.11.1 Terminology......................................................................................... 228

8.11.2 System Topology .................................................................................. 230

8.11.3 Data Transport ..................................................................................... 231

NC-SI Support................................................................................................. 233

8.12.1 Supported Features............................................................................... 233

8.12.2 NC-SI Mode - Intel Specific Commands.................................................... 234

Basic NC-SI Workflows ..................................................................................... 239

8.13.1 Package States..................................................................................... 239

8.13.2 Channel States ..................................................................................... 240

8.13.3 Discovery ............................................................................................ 240

8.13.4 Configurations...................................................................................... 240

8.13.5 Pass-Through Traffic States.................................................................... 242

8.13.6 Asynchronous Event Notifications............................................................ 243

8.13.7 Querying Active Parameters ................................................................... 243

Resets............................................................................................................ 244

Advanced Workflows ........................................................................................ 244

8.15.1 Multi-NC Arbitration .............................................................................. 244

8.15.2 External Link Control............................................................................. 245

8.15.3 Statistics ............................................................................................. 246

9.0 Programing Interface............................................................................................. 248

9.1 PCIe Configuration Space.................................................................................. 248

9.1.1 PCIe Compatibility ................................................................................ 248

9.1.2 Mandatory PCI Configuration Registers .................................................... 249

9.1.3 PCI Power Management Registers ........................................................... 254

9.1.4 Message Signaled Interrupt (MSI) Configuration Registers.......................... 257

9.1.5 MSI-X Configuration.............................................................................. 258

9.1.6 PCIe Configuration Registers .................................................................. 261

10.0 Driver Programing Interface .................................................................................. 272

10.1 Introduction .................................................................................................... 272

10.1.1 Memory and I/O Address Decoding ......................................................... 272

10.1.2 Registers Byte Ordering......................................................................... 275

10.1.3 Register Conventions ............................................................................ 276

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