INtime refers to this device as rtlm. The rl driver supports the following media types: The RealTek data sheets are of especially poor quality, and there is a lot of information missing particularly concerning the receiver operation. Enable autoselection of the media type and options. The driver can check for an incomplete frame by inspecting the frame length in the header preceding the actual packet data: Note that the baseTX media type is only available if supported by the adapter.

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The supports both 10 and Mbps speeds in either full or half duplex. The driver probably should not be depending on this characteristic. The differs from the in that the has an internal PHY which is controlled through special direct access registers whereas the uses an external PHY via an MII bus. The mediaopt option can also be used to select either full-duplex or half-duplex modes.

The controller loses all of its PCI configuration in the D3 state, so if the BIOS does not set it back to full power mode in time, it will not be able to configure it correctly. For more information on configuring this device, see ifconfig 8. For transmission, there are only four outbound packet address registers which require all outgoing packets to be stored as contiguous buffers.

Since cluster buffers are bytes, they are longword aligned by definition. When an interrupt is posted to signal that a frame has been received, it is possible that another frame might be in the process of being copied into the receive buffer while the driver is busy handling the first one.

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Realtek Semiconductor

The rtlm driver provides support for PCI Ethernet adapters and ethegnet controllers based on the RealTek and Fast Ethernet controller chips. The receiver uses a single fixed size ring buffer from which packets must be copied into mbufs.

For more information on configuring this device, see Common Network Driver Options or ifconfig.

If you power down your system prior to booting FreeBSD, the card should be configured correctly. The can support the same speeds and modes given an appropriate PHY chip. Enable autoselection of the media type and options. The reatlek driver supports the following ethernft types: For transmission, there are only four outbound packet address registers which require all outgoing packets to be stored as contiguous buffers.

INtime refers to this device as rtlm.

Realtek network drivers for RTLE and Windows 7 32bit

Furthermore, outbound packet buffers must be longword aligned or else transmission will fail. BUGS Since outbound packets must be longword aligned, the transmit routine has to copy an unaligned packet into an mbuf cluster buffer before transmission.

Neither this magic value nor its significance are documented anywhere in the RealTek data sheets. Some operating systems place the controller in low power mode when shutting down, and some PCI BIOSes fail to bring the chip out of this state before configuring realtel.

The driver tries to detect this condition and bring the adapter back to the D0 full power state, but this may not be enough to return the driver to a fully operational condition. The mediaopt option can also be used to select either full-duplex or half-duplex modes.

When the driver encounters this value, it knows that it has finished processing 10m0 currently available packets. Set Mbps Fast Ethernet operation. Furthermore, outbound packet buffers must be longword aligned or else transmission will fail.

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If the driver manages to finish processing the first frame before the chip is done DMAing the rest of the next frame, the driver may attempt to process the next frame in the buffer before the chip has had a chance to finish DMAing all of it.

The driver abuses the fact that the cluster buffer pool is allocated at system startup time in a contiguous region starting at a page boundary. Note that the baseTX media type is only available if supported by the adapter.

Ubuntu Manpage: rl — RealTek / Fast Ethernet device driver

The driver can check for an incomplete frame by inspecting the frame length in the header preceding the actual packet data: The receiver uses a single fixed size ring buffer from which packets must be copied into mbufs.

The rl driver supports the following media options: Versions Link to INtime 4. The supports both 10 and Mbps speeds in either full or half duplex. If you see this message at boot time and the driver fails to attach the device as a network interface, you will have to perform second warm boot to have the device properly configured.

Note that the baseTX media type is only available if supported by the adapter.