Broadcom NetXtreme/NetLink BCM5718 Series

Table of ContentsBCM5718 Programmer’s Guide
Broadcom
®
January 29, 2016 • 5718-PG108-R Page 19
Integrated MACs .......................................................................................................................... 220
WOL Data Flow Diagram .................................................................................................................... 221
Flow Control.............................................................................................................................................. 223
Description .......................................................................................................................................... 223
Operational Characteristics ................................................................................................................. 223
Transmit MAC .............................................................................................................................. 223
Receive MAC ............................................................................................................................... 224
Statistics Block ............................................................................................................................. 225
PHY Auto-Negotiation .................................................................................................................. 226
Integrated MACs .......................................................................................................................... 226
Flow Control Initialization Pseudocode ............................................................................................... 227
Section 11: Interrupt Processing ................................................................................... 229
NetXtreme Legacy Interrupt Model......................................................................................................... 229
ISR Flow.............................................................................................................................................. 230
Legacy Status TAGGING Mode................................................................................................... 231
Basic Driver Interrupt Processing Flow................................................................................................. 232
Flowchart for Servicing an Interrupt .................................................................................................... 232
Interrupt Procedure ............................................................................................................................. 233
Host Coalescing ....................................................................................................................................... 234
Description .......................................................................................................................................... 234
Operational Characteristics ................................................................................................................. 234
Registers ............................................................................................................................................. 235
MSI ............................................................................................................................................................. 236
Traditional Interrupt Scheme ............................................................................................................... 236
Message Signaled Interrupt ................................................................................................................ 237
PCI Configuration Registers................................................................................................................ 238
MSI Address................................................................................................................................. 238
MSI Data ...................................................................................................................................... 238
Host Coalescing Engine...................................................................................................................... 239
Firmware ............................................................................................................................................. 239
MSI-X.......................................................................................................................................................... 240
MSI-X Plumbing........................................................................................................................................ 244
Replication of Status Blocks and INT Mailboxes................................................................................. 244
Single-Vector RSS Mode Status Block Format............................................................................ 246
Single-Vector IOV Mode Status Block Format ............................................................................. 247
Multivector RSS Mode Status Block Format ................................................................................ 248
Multivector IOV Mode Status Block Format ................................................................................. 249
MSI-X Capability Structure .................................................................................................................. 250
MSI-X Data Structures ........................................................................................................................ 251