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iwn 5100AGN for netbsd-5 success
I saw in the mailing list archives a few weeks back that iwn(4) for
5100/5300 AGN devices was working in netbsd-current but hasn't been
ported to netbsd-5 yet. I decided to try and get it working in netbsd-5
with minimal changes to the netbsd-5 kernel sources and have had some
Seven files were patched in src/sys/dev/pci: if_iwn.c, if_iwnreg.h
if_iwnvar.h, pcidevs, pcidevs.h pcidevs_data.h, and pcireg.h.
1. Used the first of version of src/sys/dev/if_iwn.c that works with the
5100/5300 iwn devices from the current branch (revision 1.33), but
removed the two lines associated with revision 1.25 of
src/sys/dev/if_iwn.c. The iwn(4) driver failed in netbsd-5 with that
revision included - that revision was part of a major commit to the
netbsd-current kernel networking code.
2. Used the first version of src/sys/dev/if_iwnreg.h that works with the
5100/5300 iwn devices from the current branch (revision 1.6).
3. Used the first version of src/sys/dev/if_iwnvar.h that works with the
5100/5300 iwn devices from the current branch (revision 1.6).)
4. Edited the src/sys/dev/pcidevs file to add the new iwn devices (these
changes are derived from additions to pcidevs between revision 1.967 and
1.968 of src/sys/dev/pcidevs, but I changed "Pro/Wireless" to
"PRO/Wireless" for consistency with the other devices):
product INTEL PRO_WL_5100AGN_1 0x4232 PRO/Wireless LAN 5100AGN
product INTEL PRO_WL_5300AGN_1 0x4235 PRO/Wireless LAN 5300AGN
product INTEL PRO_WL_5300AGN_2 0x4236 PRO/Wireless LAN 5300AGN
product INTEL PRO_WL_5100AGN_2 0x4237 PRO/Wireless LAN 5100AGN
product INTEL PRO_WL_5350AGN_1 0x423a PRO/Wireless LAN 5350AGN
product INTEL PRO_WL_5350AGN_2 0x423b PRO/Wireless LAN 5350AGN
5. Regenerated src/sys/dev/pcidevs.h and src/sys/dev/pcidevs_data.h
using 'make -f Makefile.pcidevs'
6. Edited the src/sys/dev/pcireg.h file to add the changes that were
included in the changes to pcireg.h when the support was added for the
new iwn(4) devices in netbsd-current. It is essentially revision 1.57
(the netbsd-5 version) of pcireg.h patched with the changes between
revision 1.60 and 1.61 of pcireg.h.
7. Added the updated firmware for the 5100 AGN to my filesystem.
The 5100 iwn(4) device in my Toshiba laptop successfully runs 'dhclient
iwn0' in my patched netbsd-5 kernel (I am using the 5.0.2 release) where
it listened for dhcp offers, but I haven't tested it with an actual
wireless network in range yet to see if it makes a connection - I assume
it will work with a network in range; if it doesn't when I try it I'll
post a followup message.
The actual patchfile against the netbsd-5 kernel is too big to post here
(about 300K) because the difference in if_iwn.c between the netbsd-5
version (revision 18.104.22.168 I think) and revision 1.33 is rather large.
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