[Prism54-devel] prism54-usb firmware loading

[Sylvain Munaut]

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Feyd wrote:

|> I finally came to the conclusion that the problem may be related
|> to the userspace/kernelspace issue. I added a "memcpy" to fetch
|> chunks of the firmware into local memory of prism54u before it is
|> sent via usb_bulk_msg. This seemed to help. At least, I found the
|> complete firmware code printed out
|
|
| Thanks, this really was the problem.

I remember I had a similar problem in a Webcam driver, IIRC the memory
used for the transfer has to be alloc by kmalloc in the driver.

|> in the kernel log messages; and even the LED on the dongle showed
|> a reaction (at least sometimes; usually it is turned off, but
|> once it began to blink like under Windows when it is seeking for
|> an access point).
|
|
| For me it blinked only when I did `ip l set eth1 down' (followed by
| hard freeze of the machine, should be easy to fix).
|
| Frame sending and receiving is rather easy to implement, but I have
| no experience with 802.11 management. Does anyone know how to
| implement a basic version in the driver or what to do to be able to
| use hostap?
|
You can look at ipw2100.sf.net and/or contact them.
They use hostap and plan to make a 'generic' 802.11 stack for linux in
collaboration with hostap and others.


Sylvain Munaut
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