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Old 10-26-2003, 09:38 AM   #1
cconvey
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Registered: Oct 2003
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From PCI device ID to ifconfg: how does it work?


Hi guys,

I just found out that drivers are in fact available for my D-Link DWL-520 card. The drivers are made available in source-code form by Realtek (it's a Realtek 8180 chipset, apparently).

I'm getting nowhere in debugging why I can't make the card work under Linux, so I was wondering if you could could point me to some helpful documentation.

Specifically, I'm trying to understand the whole chain of activities that Linux does to go from (a) finding a device on its PCI bus with a certain device ID, to (z) having that (wireless) device be usable as a network interface.

For instance:
- How does Linux decide what (modular) device driver to use for a given device?
- How would I know if Linux couldn't find a device driver for that device?
- How does Linux decide how to name that device? E.g., eth0, eth1, wlan0, etc?
- When I run "ifconfig wlan0 up", is the "wlan0" part assumed to be the name of some device under /dev/ ?

If anyone wants to answer these particular questions, great. I'm tryin to RTFM, but I'm not sure where to find TFM

Thanks,
Christian
 
Old 10-26-2003, 12:20 PM   #2
cconvey
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Registered: Oct 2003
Posts: 16

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And while we're on the topic, does "insmod" make any durable changes, or does it's effect only last until the computer is rebooted?
 
  


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