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Chapter 3 - MACSI Host Interface
96
Command Options
Table 3-37. Command Options
Interrupt enable (IE)
As defined in Common IOPB Structures.
Port selector
This field specifies the port for which the statistics will be reported. Valid ports range from 0 to 3.
Return Status
This field will contain any return status from the controller to the host. A value of 0 indicates that no error occurred,
and the command completed successfully.
Host Memory Buffer Address
This field contains the VMEbus address of host memory to which the controller will post the network statistics. Note
the distinct locations for most significant word (MSW) and least significant word (LSW) in this address.
Max Transfer Size
This field contains the maximum number of bytes allocated by the host to accommodate the information to be
transferred by the controller. When the command is complete, this field in the returned IOPB will contain the actual
number of bytes transferred by the controller.
Timer Interval
This field contains an integer which will be used by the controller to set up a fixed interval timer. Each time this timer
expires, the network statistics for the particular port will be posted to the host, along with a returned IOPB, just as if
the host had submitted a separate IOPB. The timer interval will be calculated by multiplying the value provided in this
field by 250 milliseconds.
Submitting a new Report Network Statistics Command for a particular port will cause any existing repeating statistics
command to be replaced with the value in the new command. Using this, a host can cancel a repeating statistics
command by submitting a new command with this field set to 0.
Timer intervals are maintained on a per port basis.
Command Options
Offst 151413121110987 654321 0
0x01 Port IE
- V/Ethernet 4221 Condor 1
- User’s Guide 1
- Copyright Notice 3
- Disclaimer 3
- For Assistance 4
- Trademark Acknowledgments 4
- TABLE OF CONTENTS 5
- LIST OF FIGURES 9
- LIST OF TABLES 11
- CHAPTER 1 13
- INTRODUCTION 13
- Conventions 14
- General Description 14
- Features 14
- Physical Description 15
- Functional Description 15
- VMEbus Master Interface 16
- Local Bus 16
- VMEbus Short I/O Interface 17
- CPU Core 17
- CPU/LBUS Interface 18
- CHAPTER 2 19
- HARDWARE INSTALLATION 19
- OPTIONAL 21
- DAUGHTER 21
- Step 1. Visual Inspection 26
- Diagnostic LEDs 26
- Board Status LEDs 27
- Motherboard Jumper Settings 28
- J12 VME Bus Grant: 29
- J13 Firmware Option Jumpers: 29
- J14 Firmware Option Jumpers: 30
- Step 5. Power Off System 63
- Step 6. Cabling Procedure 63
- RS232 Connectors And Cables 64
- CHAPTER 3 65
- MACSI HOST INTERFACE 65
- Field Offset 66
- Contiguous Data Allocation 66
- System Interface 67
- MACSI Organization 67
- Master Status Register (MSR) 69
- 1514131211109876543210 69
- Master Control Register (MCR) 70
- Onboard Command Queue Entry 71
- Offboard Command Queue Entry 72
- DMA Transfer Control Word 73
- Host Address 73
- Offboard Transfer Length 73
- Work Queue Number 73
- Command Response Block (CRB) 74
- Command Tag 75
- IOPB Length 75
- Transfer Count 76
- Product Code 77
- Product Variation 77
- Firmware Revision Level 78
- Firmware Revision Date 78
- Controller Statistics Block 79
- Transmit Commands Submitted 80
- Transmit DMA Completions 80
- Transmit 82596 Completions 80
- Successful Transmits 80
- Failed Transmits 80
- IO Parameter Blocks (IOPBs) 82
- Common IOPB Structures 82
- Initialize Controller 85
- Number of CQE Entries 86
- Interrupt Levels and Vectors 87
- DMA Burst Count 87
- Special Network Options 87
- Offboard CRB host address 88
- MAC Control/Status 89
- Transfer size 92
- MAC status/control 92
- MAC returned information 96
- Change Default Node Address 97
- Transmit 99
- Transmit -- In-Line Gathers 100
- Number of Elements 101
- Total transfer count 101
- Element transfer count 101
- Buffer address 101
- Receive 102
- Command Options 103
- Buffer Address 103
- Packet Type / Length Field 103
- Command Code 103
- Source Address 104
- Report Network Statistics 107
- Return Status 108
- Host Memory Buffer Address 108
- Max Transfer Size 108
- Timer Interval 108
- Network Statistics Block 109
- APPENDIX A 111
- SPECIFICATIONS 111
- Mechanical (Nominal) 112
- Operating Environment 112
- Reliability 112
- APPENDIX B 113
- CONNECTOR PINOUTS AND CABLING 113
- VMEbus Connectors 114
- 10BaseT Connector Signals 116
- AUI Connector Signals 117
- RS232 Connector and Cable 118
- APPENDIX C 119
- ERROR CODES 119
- Appendix B 120
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