Interphase Tech 4221 99

Transmit

The Transmit command causes the controller to DMA transfer the specified frame from host memory, and then transmit it (if possible) through the specified Ethernet port.

Table 3-29. Transmit

Transmit

Offst

0x00

Command Code

0x01

Command Options

0x02

Return Status

0x03

Normal Completion Level

Normal Completion Vector

0x04

Error Completion Level

Error Completion Vector

0x05

DMA Transfer Control Word

0x06

Buffer Address (MSW)

0x07

Buffer Address (LSW)

0x08

Transfer Size (MSW)

0x09

Transfer Size (LSW)

0x0A

Reserved

(10 Bytes

0x0E

0x0F

Reserved

0x10

Reserved

0x11

Reserved

Command Code

This field must contain 0x50 to execute the Transmit IOPB.

Contents

Page Page Copyright Notice Interphase Corporation Disclaimer For Assistance Trademark Acknowledgments TABLE OF CONTENTS Page Page Page LIST OF FIGURES Page LIST OF TABLES Page INTRODUCTION Page Page DMA Engine VMEbus Drivers And Receivers Page Page HARDWARE INSTALLATION Product Page Page Page Page Page Step 1. Visual Inspection Step 2. Fuse And Diagnostic LEDs Fuse Diagnostic LEDs Designator Board Status LEDs POST Mode: Hex Code Diagnostic Definition CAUTION J5 FLASH0 J9 +12 VOLTS Flash Programming Protect: J12 VME Bus Grant: J13 Firmware Option Jumpers: J14 Firmware Option Jumpers: J15 Firmware Option Jumpers / Secondary Short I/O Size: J16 Primary Short I/O Size / Reset Enable: J17 Secondary Channel Address Modifiers: J18 Primary Channel Address Modifiers: J19, J20, J21 & J22 Primary Short I/O Base Address: NOTE Page Page Page Page Page Page Page Page Page Page J23, J24, J25 & J26 Secondary Short I/O Address: Page Page Page Page Page Page Page Page Page Page Page Page Page Step 4. Set Daughter Card Jumpers And Terminations Ethernet Single Channel AUI/10BaseT Daughter Card COMPONENT SIDE Dual Channel 10BaseT Ethernet Daughter Card Ethernet Dual Channel AUI Daughter Card Step 5. Power Off System CAUTION Step 6. Cabling Procedure Note: RS232 Connectors And Cables Installing The Cable(s) And Board MACSI HOST INTERFACE Field Offset Contiguous Data Allocation Page Page Master Status Register (MSR) Master Control Register (MCR) Queue Entry Control Register (QECR) IOPB Address Host Address Offboard Transfer Length Command Response Status Word (CRSW) IOPB Length Port This field is not valid for transmits Transfer Count This field is not valid for transmits Product Code Product Variation Firmware Revision Level Firmware Revision Date Ethernet MAC Addresses (Ports 0 - 3) Page Transmit Commands Submitted Transmit DMA Completions Transmit 82596 Completions Successful Transmits Failed Transmits Transmit Completions Posted to Host Receive Commands Submitted Receives Dropped - No Pending Receive Command Receive 82596 Completions Failed Receives Page Normal Completion Level / Vector Error Completion Level / Vector Page Controller Initialization Block Offset Number of CQE Entries Special Network Options Ethernet Physical Node Addresses Interrupt Levels and Vectors DMA Burst Count Offboard CRB DMA Transfer Control Word Offboard CRB host address Page Page Page Buffer address Transfer size MAC status/control Intel 82596 Status/Control – Transmit Functions Intel 82596 Status/Control – Receive Functions Page MAC returned information Page Page Page Page Number of Elements Total transfer count Element transfer count Page Buffer Address Maximum / Actual Transfer Size Packet Type / Length Field Source Address Disable Multiple Completion Control Flags Group Interrupt Level / Vector Minimum Group Count Maximum Group Count Page Host Memory Buffer Address Max Transfer Size Timer Interval Data Valid Indicator Port Indicator Transmits Submitted Transmits Completed Transmits Failed Collisions Receives Submitted Receives Returned Receives Dropped (Resources) APPENDIX A SPECIFICATIONS NOTE Page APPENDIX B CONNECTOR PINOUTS AND CABLING P1 Connector P2 Connector Row B Only Version 10BaseT Connector Signals AUI Connector Signals Page APPENDIX C ERROR CODES Page INDEX