With more than 14 multicast addresses the chip matches against a single unicast address and uses a statistical multicast filter with bins, resulting in much better filtering than the 64 bin chips. Tulip Multicast Support Most Ethernet chips can match a single unicast address — their own station address — and support a statistical aka hash filter for initial filtering of unwanted multicast packets. Announcements are also made on the driver-announce mailing list. When updating a single driver you will need to build pci-scan. The diagnostic programs are described at http:
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See driver source for tuning details. Most distributions based on the 2. After reserving two entries for the broadcast and station address, that means up to 14 multicast addresses may be perfectly filtered. This driver works with almost all of them: The Tulip does much better than this.
You may install just one driver see below if you are using a Linux 2. See also the Tulip driver 21140-xc page.
Compatibility Macronix network products web page, http: Diagnostic program A Tulip diagnostic program is available to show the current state of the hardware, configure the EEPROM, and help debug media selection and board-setup problems.
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RTEMS 4.6.2 On-Line Library
Recent cards use the similar PNIC chip, which requires a v0. This list is being phased out to reduce the spam moderation load, please use the ‘tulip’ list instead.
Donald Beckerbecker scyld. Not all cards can have their media type set with ‘options’. 221140-ac are also made on the driver-announce mailing list. This means that in addition to the driver. The master copy of this page resides on the Scyld web server.
The diagnostic programs are described at http: Scyld provides support and development servies for Linux and Beowulf clusters. 21140-ca send the output from this program with any bug reports.
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The typical chip has 64 bins and uses six bits of CRC. Your card will only have one of these types, and you must known which type to force a setting.
With more than 14 multicast addresses the chip matches against a single unicast address and uses a statistical multicast filter with bins, resulting in much better dgiital than the 64 bin chips.
Loading the driver module An example of loading the Tulip module is dugital tulip. Many cards support multiple media types with a single MII transceiver, and must always be set to an MII type preferably 11, but other values force a specific setting.
Early versions used National transcievers, but later versions are depopulated ZX boards.
Donald Becker See the drivers for the contact email address. The list grows so rapidly that it’s impossible to keep up to date, but here are cards that I have received reports on: The media types are: If no internal table is found, the driver configures the chip to use an MII transceiver. Since then many network adapters have used the same interface design. The result is that the driver will report “No EEPROM present” for the first three interfaces, and will back-fill the configuration information when the fourth interface is found.
Options for Modules When loaded as a module the following variables may be set: Tulip Multicast Support Most Ethernet chips can match a single unicast address — their own station address — and support a statistical aka hash filter for initial filtering of unwanted multicast packets.
The default is usually autosense, but this may be overridden by changing the configuration EEPROM or by passing a driver option. This is typically done by taking the CRC intermediate result just after destination address arrives, and using a few bits as the index into a dgiital of which multicast packets are acceptable.
The typical operating mode is matching the incoming destination address against a list of 16 addresses.