iwn(4) (Intel 4965 wireless) backport

Stefan Lambrev stefan.lambrev at moneybookers.com
Tue Sep 23 13:08:36 UTC 2008

Hi Gavin,

Gavin Atkinson wrote:
> On Thu, 2008-09-04 at 18:48 +0100, Gavin Atkinson wrote:
>> On Thu, 2008-09-04 at 11:32 -0600, Dan Allen wrote:
>>> On 4 Sep 2008, at 10:29 AM, Gavin Atkinson wrote:
>>>> This is supported by the iwn(4) driver in CURRENT, and it should be
>>>> quite easy to port the driver to 7-STABLE.  If you're interested in
>>>> reinstalling FreeBSD and testing a backported driver, I'm sure this  
>>>> can be sorted.
>>> I am interested in doing this.  Please advise on how I can get these  
>>> bits.
>> I've got hold of a laptop with the 4965 chipset in it, if nobody beats
>> me to it I'll have a go at backporting the driver.
> OK, I've backported the iwn(4) driver for the Intel 4965 wireless
> chipset to 7-STABLE.
> You need both of:
> http://people.freebsd.org/~gavin/iwn-7/iwn-7.tgz
Loading if_iwn.ko make a nice reboot on my laptop.
No messages just a reset... FreeBSD 7.0-STABLE #29: Tue Jul 29 16:13:47 
EEST 2008 i386
May be I should try with more recent -stable ?
> http://people.freebsd.org/~gavin/iwn-7/iwn-7.diff
> Both are relative to /usr and are against 7-STABLE (although may well
> apply to 7.0-RELEASE cleanly).
> Please note that there are a couple of issues with this driver that
> aren't seen with the driver in -HEAD.  Firstly, it only supports B/G
> channels, it doesn't work with 802.11a.  Apparently this is due to a
> firmware issue which the driver in -HEAD works around, although I don't
> know how yet.
> Secondly, there may be a slight issue with regulatory domains.  I'm not
> certain about this, but I was seeing issues while trying to associate to
> an access point on channel 13g, changing the AP to channel 1g fixes
> things.
> Even with those two caveats, I can say that so far in my testing it's
> been working very well.  However, even if the driver works for you, I'm
> pretty sure it's too late for a merge before 7.1.
> Lastly, as the laptop is on loan to me and I'm going to have to give it
> back soon, I don't know if I'll have a chance to do any further work on
> this driver.  I'm still interested in stories of success or otherwise.
> Thanks,
> Gavin
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Best Wishes,
Stefan Lambrev
ICQ# 24134177

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