ipw(4) driver
Damien Bergamini has released a new version of his ipw(4) driver for Intel
PRO/Wireless 2100 cards. This release solves the lockups that occured in
combination with ACPI C3 sleep state. A DragonFly version can be downloaded
at http://www.ecademix.com/JohannesHofmann/#ipw
It works great for me and Damien asked, whether it could be included into the
DragonFly source tree. I think the following things need a look from a more
experienced DragonFly developer:
- I just replaced mutex locks/unlocks with s = splimp() / splx(s) calls as
Joerg Sonnenberger suggested. For performance reasons this might
need some changes.
- The sources are currently not a patch to the kernel sources but compiled
externally.
- There are some malloc() calls with M_NOWAIT. I am not sure, if this is ok.
- I ifdef'ed out calls to bpfattach2() and similar as I did not find the
corresponding functions in the DragonFly tree.
- The license is a little shorter than the one found in e.g. if_wi.c.
- For the driver to work, some external firmware from INTEL is needed, that has
licensing issues. Damien is trying to resolve this problem. But as the
firmware is not compiled into the kernel module this is not that much of
an issue, I think.
Please let me know, what I can do to work towards an inclusion into the
source tree.
Johannes
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