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Compaq AA-RNG2A-TE manual

Models: AA-RNG2A-TE

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Using the Default from the ROM Etc/sysconfigtab database Implementing the Reset Section Setting Up the elprobe Routine Rearming the Next Timeout Setting the Baud Rate Testing for Loss of Carrier New and Changed Features

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Compaq AA-RNG2A-TE manual

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Contents

December Product Version Compaq Computer Corporation Houston, TexasPage Contents Implementing the Configure Section Implementing the Autoconfiguration Support Section probeImplementing the Autoconfiguration Support Section attach Implementing the unattach RoutineImplementing the Initialization Section Implementing the Start SectionImplementing a Watchdog Section Implementing the Reset SectionImplementing the ioctl Section Network Device Driver Configuration Index Implementing the Interrupt SectionTables Page About This Manual AudienceScope of this Manual New and Changed Features OrganizationRelated Documentation ExamplesReader’s Comments Reference PagesConventions That are used in driver configuration, these brackets Page Network Device Driver Environment Network Device Driver Include Files Section for a Network Driver Declarations Section for a Network Driver External and Forward Declarations Declaring softc and controller Data Structure Arrays Declaring and Initializing the driver Data Structure Defining Driver-Specific Macros8Network Device Driver Environment Driver-Specific Macros MacroDescriptionConfigure Section for a Network Driver Autoconfiguration Support Section for a Network DriverInitialization Section for a Network Driver Start Section for a Network DriverReset Section for a Network Driver Watchdog Section for a Network DriverIoctl Section for a Network Driver Interrupt Section for a Network Driver12Network Device Driver Environment Defining Device Register Offsets Interrupt and Status Register Offset DefinitionsCommand Port Register Offset Definitions Defining Device Register Offsets Window 0 Configuration Register Offset Definitions Register Constant W0CCRDefines the offset for the resource configuration register Window 3 Configuration Register Offset Definitions Window 3 Configuration Registers Window 1 Operational Register Offset Definitions Window 1 Operational Registers10Defining Device Register Offsets Window 4 Diagnostic Register Offset Definitions Mdncrc12Defining Device Register Offsets Eeprom Data Structure Definition Page Defining the softc Data Structure Shows a typical softc data structureDefining Common Information 2Defining the softc Data StructureDefining the softc Data Structure Enabling Support for Enhanced Hardware Management Defining Media State InformationMedia state has been determined Defining the Base Register Defining Multicast Table InformationDefining the Interrupt Handler ID Defining CSR Pointer InformationDefining Fifo Maintenance Information Defining Bus-Specific InformationDefining the Broadcast Flag Defining Interrupt and Timeout StatisticsDefining the Debug Flag Defining Autosense Kernel Thread Context Information Defining the Polling Context FlagDefining a Copy of the w3eeprom Data Structure Declaring the Simple Lock Data StructureImplementing the Configure Section Etc/sysconfigtab database Setting Up the elconfigure Routine Following code shows how to set up the elconfigure routine4Implementing the Configure Section Implementing the Autoconfiguration Support Section probe Implementing the elprobe RoutineSetting Up the elprobe Routine Following code shows how to set up the elprobe routineImplementing the Autoconfiguration Support Section probe 4Implementing the Autoconfiguration Support Section probe Performing Bus-Specific TasksImplementing the Autoconfiguration Support Section probe 6Implementing the Autoconfiguration Support Section probe Allocating Memory for the softc Data StructureAllocating the etherdriver Data Structure Setting Bus-Specific Data Structure Members Computing the CSR AddressesImplementing the Autoconfiguration Support Section probe 10Implementing the Autoconfiguration Support Section probe Handling First-Time Probe OperationsImplementing the Autoconfiguration Support Section probe 12Implementing the Autoconfiguration Support Section probe Handling Subsequent Probe OperationsImplementing the Autoconfiguration Support Section probe Registering the Interrupt Handler Implementing the Autoconfiguration Support Section probe Saving the controller and softc Data Structure Pointers Trying to Allocate Another controller Data StructureImplementing the elautosensethread Routine Implementing the elshutdown RoutineRegistering the shutdown Routine 18Implementing the Autoconfiguration Support Section probe Setting Up the elautosensethread Routine Blocking Until AwakenedStarting Up Statistics Testing for the Termination FlagEntering the Packet Transmit Loop Saving Counters Prior to the Transmit Operation Using the Default from the ROMAllocating Memory for a Test Packet Building the Test Packet Setting the Media in the HardwareTransmitting the Test Packet Setting a Timer for the Current Kernel Thread Testing for Loss of CarrierDetermining Whether Packets Were Transmitted Successfully Setting Up New MediaPrinting Debug Information Establishing the Media 26Implementing the Autoconfiguration Support Section probe Implementing the Autoconfiguration Support Section attach Setting Up the elattach RoutineInitializing the Media Address and Media Header Lengths Setting Up the Media 4Implementing the Autoconfiguration Support Section attach Initializing Simple Lock Information Printing a Success Message Specifying the Network Driver InterfacesSignifies that the network interface supports Setting the Baud Rate Attaching to the Packet Filter and the Network LayerSetting Network Attributes and Registering the Adapter Handling the Reinsert OperationEnabling the Interrupt Handler Starting the Polling ProcessSetting Up the elunattach Routine Implementing the unattach RoutineVerifying That the Interface Has Shut Down Obtaining the Simple Lock and Shutting Down the DeviceDisabling the Interrupt Handler Terminating the Autosense Kernel ThreadUnregistering the Pcmcia Event Callback Routine Stopping the Polling ProcessUnregistering the Shutdown Routine Terminating the Simple LockUnregistering the Card from the Hardware Management Database Freeing ResourcesPage Implementing the Initialization Section Setting Up the elinit RoutineImplementing the elinit Routine Setting the IPL and Obtaining the Simple Lock Determining Whether the Pcmcia Card Is PresentReleasing the Simple Lock and Resetting the IPL Implementing the elinitlocked RoutineCalling the elinitlocked Routine Returning the Status from the elinitlocked RoutineResetting the Transmitter and Receiver Clearing InterruptsStarting the Device Ensuring That the 10Base2 Transceiver Is OffSetting the LAN Media Resetting the Transmitter and Receiver Again Setting a LAN AttributeSelecting Memory Mapping Setting the LAN Address Processing Special FlagsSetting the Debug Flag Enabling TX and RXEnabling Interrupts Setting the Operational WindowMarking the Device as Running Starting the Autosense Kernel Thread Starting the Transmit of Pending PacketsPage Implementing the Start Section Implementing the elstart RoutineCalling the elstartlocked Routine Implementing the elstartlocked Routine 4Implementing the Start Section Implementing the Start Section Transmitting the Buffer HandlelongwordAccounting for Outgoing Bytes Indicating When to Start the Watchdog Routine Setting the IPL and Obtaining the Simple Lock Implementing a Watchdog SectionReleasing the Simple Lock and Resetting the IPL Implementing the Reset Section Implementing the elreset RoutineImplementing the elresetlocked Routine Ioctl Command Required Description For More Information Implementing the ioctl SectionSetting Up the elioctl Routine Following code shows how to set up the elioctl routineSetting the IPL and Obtaining the Simple Lock Enabling Loopback Mode Siocenablback ioctl Command Disabling Loopback Mode Siocdisablback ioctl CommandSetting the Local MAC Address Siocsphysaddr ioctl Command 12-6Implementing the ioctl Section Implementing the ioctl Section Determines whether the cmd argument is Siocrdctrs or Bringing Up the Device Siocsifaddr ioctl Command Network Interface Counter TypesSetting the IP MTU Siocsipmtu ioctl Command Using Currently Set Flags Siocsifflags ioctl CommandSetting the Media Speed Siocsmacspeed ioctl Command Resetting the Device Siocifreset ioctl Command Setting Device Characteristics Siocifsetchar ioctl Command12-12Implementing the ioctl Section If lockon 1 simpleunlock&sc-elsoftclock splxs Return status Page Implementing the Interrupt Section Implementing the elintr RoutineRearming the Next Timeout Reading the Interrupt Status Processing Completed Receive and Transmit OperationsAcknowledging the Interrupt Transmitting Pending FramesIndicating That the Interrupt Was Serviced Implementing the elrint RoutinePulling the Packets from the Fifo Buffer Examining the First Part of the Packet Copying the Received Packet into the mbuf 13-8Implementing the Interrupt SectionDiscarding a Packet Implementing the eltint Routine Counting the Transmit InterruptManaging Excessive Data Collisions Writing to the Status Register to Obtain the Next ValueImplementing the elerror Routine Queuing Other TransmitsNetwork Device Driver Configuration Page Index Index-1Declarations section, 1-4devdriver.h header file, 1-4device Index-2Interrupt Index-3Interrupt handler Index-4Packet Index-5ROM Index-6Transmit Index-7