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If this is specified as NONE -1 then the default of 64 is used. Then the driver connects an interrupt handler to the interrupt line driven by the Ethernet controller the only interrupt which will be treated is the receive interrupt and launches 2 threads: Write the Driver Receive Task 3. As input, this function expects a string of colon-separated parameters.
If this is specified as NONE -1the default of 32 is used. Here is a non exhaustive list of adapters which support this driver: Here is a non exhaustive list of adapters which support this driver:. The difference between a receive and a transmit buffer descriptor is located in the status and control bits fields.
Early versions used National transcievers, but later versions are depopulated ZX boards. If any of the assumptions stated below are not true for your particular hardware, you need to modify the driver inte it can operate correctly on your hardware. Currently, this tool does not support the DEC board. The parameters should be specified as hexadecimal strings optionally preceded by "0x" or a minus sign intl. One buffer has bytes, one descriptor has 16 bytes.
Without modification, it can operate across the full range of architectures and targets supported by VxWorks. Many Ethernet adapter cards use the Tulip chip.
It will retrieve the PHY's address regardless of that, but, since the MII management interface, through which the PHY is configured, is a very slow one, providing an incorrect or invalid address may result in a particularly long boot process.
Software and Drivers for the Intel® PRO/ Adapter
Application Programming Interface 4. Current applicable release is 1. To achieve it, we have chosen a Motorola MCP board. Network device configuration 4.
Write the Driver Initialization Function. Each time an Ethernet frame is put in the transmit queue, an event is sent to the transmit thread, which empty the queue by sending each outcoming frame. Adding a Default Route 4. By reading or writing these registers, a driver can obtain information about the type of the board, the interrupt it uses, the mapping of the chip specific registers, ….
These parameters, and the mechanisms used to communicate them to the driver, are detailed below. This controls how much data the device can absorb intep load.
Document Revision History 7. If this routine is 21104a with an empty but allocated string, it puts the name of this device that is, "dc" into the initStr and returns 0. Concerning the buffers and their descriptors, we have tried to optimize the memory space in term of allocated page.
The driver programs the chip to process the transmit and receive queues at the same priority. By default, the driver sets the Ethernet chip into a non-polling mode.
dec21x40End
The information listed below may be out of date. The user only needs to provide a valid value for this parameter if he wants to affect the order how different technology abilities are negotiated. Transmission starts when the frame size inte, the transmit FIFO is larger than the treshold value. This routine can use these fields in any manner.
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