Unidentified Intel wifi network card

Unidentified Intel wifi network card

[Scott Lockwood]

I'm looking for assistance with a wifi device I can't find a driver for,
the Intel Wireless 3945.

I"m getting this:

0000:0c:00.0 Network controller: Intel Corporation: Unknown device 4222
(rev 02)

on a new Dell Latitude D820. Anyone know if there will be an open source
driver for this any time soon, or if there is one now?

I'm using the latest vendor supplied kernel, so my apologies if this has
already been done and I'm late to the party. I wasn't able to find much,
other than 'use the NDIS wrapper' which I really don't want to do.

Thanks for any assistance, at all,
Scott

Re: Unidentified Intel wifi network card

[Alan Cox]

On Wed, Jan 31, 2007 at 11:30:23AM -0600, Scott Lockwood wrote:
> on a new Dell Latitude D820. Anyone know if there will be an open source
> driver for this any time soon, or if there is one now?

Intel have a mix of open source kernel module and binary daemon for 
some bits. Hopefully we'll get a properly open one soon, until then the
bits you need should be on intel.com somewhere 

Re: Unidentified Intel wifi network card

[David Hollis]

On Wed, 2007-01-31 at 11:30 -0600, Scott Lockwood wrote:
> I'm looking for assistance with a wifi device I can't find a driver for,
> the Intel Wireless 3945.
> 
> I"m getting this:
> 
> 0000:0c:00.0 Network controller: Intel Corporation: Unknown device 4222
> (rev 02)
> 
> on a new Dell Latitude D820. Anyone know if there will be an open source
> driver for this any time soon, or if there is one now?
> 
> I'm using the latest vendor supplied kernel, so my apologies if this has
> already been done and I'm late to the party. I wasn't able to find much,
> other than 'use the NDIS wrapper' which I really don't want to do.

http://ipw3945.sf.net
http://ieee80211.sf.net

-- 
David Hollis <dhollis@davehollis.com>

Re: Unidentified Intel wifi network card

[Auke Kok]

Scott Lockwood wrote:
> I'm looking for assistance with a wifi device I can't find a driver for,
> the Intel Wireless 3945.
> 
> I"m getting this:
> 
> 0000:0c:00.0 Network controller: Intel Corporation: Unknown device 4222
> (rev 02)
> 
> on a new Dell Latitude D820. Anyone know if there will be an open source
> driver for this any time soon, or if there is one now?
> 
> I'm using the latest vendor supplied kernel, so my apologies if this has
> already been done and I'm late to the party. I wasn't able to find much,
> other than 'use the NDIS wrapper' which I really don't want to do.

http://ipw3945.sourceforge.net/

Cheers,

Auke




PS google for '3945 driver linux' also showed this as #1 hit:
http://www.google.com/search?q=3945+driver+linux

Re: Unidentified Intel wifi network card

[Valdis.Kletnieks]

[-- Attachment #1.1: Type: text/plain, Size: 1119 bytes --]

(Adding Adrian Bunk and Herbert Xu to the cc: list)

On Wed, 31 Jan 2007 11:30:23 CST, Scott Lockwood said:
> I'm looking for assistance with a wifi device I can't find a driver for,
> the Intel Wireless 3945.
> 
> I"m getting this:
> 
> 0000:0c:00.0 Network controller: Intel Corporation: Unknown device 4222
> (rev 02)
> 
> on a new Dell Latitude D820. Anyone know if there will be an open source
> driver for this any time soon, or if there is one now?

http://ipw3945.sourceforge.net has almost everything you could possibly need.

Only gotcha I know of:  Sometimes one of the ipw3945d kernel threads will
hang in a loop if the RFKill switch is set to "kill" when the system comes
up.  I also don't know how it handles suspend, I don't use that on my D820.

I also needed to make 2 patches (attached) to make it work under recent -mm kernels,
with them I'm able to use it on 20-rc6-mm3.

Oh - the git-crypto-fix patch has to be applied with -R, I never got around to
re-diffing it the other way.

(Yes, I really should fix up these 2 and push them upstream to the ipw3945 crew.
That's on this week's to-do list...)

[-- Attachment #1.2: fix1 --]
[-- Type: text/plain , Size: 634 bytes --]

--- linux-2.6.20-rc6-mm1/drivers/net/wireless/ipw3945.c.dist	2007-01-27 20:21:42.000000000 -0500
+++ linux-2.6.20-rc6-mm1/drivers/net/wireless/ipw3945.c	2007-01-27 20:22:21.000000000 -0500
@@ -16554,7 +16554,7 @@ static int ipw_pci_probe(struct pci_dev 
 	/* If power management is turned on, default to AC mode */
 	priv->power_mode = IPW_POWER_AC;
 	priv->actual_txpower_limit = IPW_DEFAULT_TX_POWER;
-	err = request_irq(pdev->irq, ipw_isr, SA_SHIRQ, DRV_NAME, priv);
+	err = request_irq(pdev->irq, ipw_isr, IRQF_SHARED, DRV_NAME, priv);
 	if (err) {
 		IPW_ERROR("Error allocating IRQ %d\n", pdev->irq);
 		goto out_release_ucode;

[-- Attachment #1.3: crypto-fix.patch --]
[-- Type: application/x-patch , Size: 4052 bytes --]

[-- Attachment #2: Type: application/pgp-signature, Size: 226 bytes --]

Re: Unidentified Intel wifi network card

[Herbert Xu]

On Wed, Jan 31, 2007 at 03:54:55PM -0500, Valdis.Kletnieks@vt.edu wrote:
> 
> Oh - the git-crypto-fix patch has to be applied with -R, I never got around to
> re-diffing it the other way.

If this driver is still using the old digest interface, it needs to be
converted to use crypto_hash_*.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

Re: Unidentified Intel wifi network card

[Valdis.Kletnieks]

[-- Attachment #1: Type: text/plain, Size: 766 bytes --]

On Thu, 01 Feb 2007 08:59:47 +1100, Herbert Xu said:
> On Wed, Jan 31, 2007 at 03:54:55PM -0500, Valdis.Kletnieks@vt.edu wrote:
> > 
> > Oh - the git-crypto-fix patch has to be applied with -R, I never got around
 to
> > re-diffing it the other way.
> 
> If this driver is still using the old digest interface, it needs to be
> converted to use crypto_hash_*.

OK, here's the more complete scoop - the *out of tree* ieee80211 tree
hasn't been converted, but the *in tree* version has.

Why did I have the out of tree version installed? Because the in-tree
version claimed to be 1.1.3, and the out-of-tree 1.2.16.  Apparently,
the update to the version string for the in-kernel version got blocked
someplace - the in-tree is apparently actually very close to 1.2.16.

[-- Attachment #2: Type: application/pgp-signature, Size: 226 bytes --]

Re: Unidentified Intel wifi network card

[John W. Linville]

On Thu, Feb 01, 2007 at 11:00:08AM -0500, Valdis.Kletnieks@vt.edu wrote:
> On Thu, 01 Feb 2007 08:59:47 +1100, Herbert Xu said:

> > If this driver is still using the old digest interface, it needs to be
> > converted to use crypto_hash_*.
> 
> OK, here's the more complete scoop - the *out of tree* ieee80211 tree
> hasn't been converted, but the *in tree* version has.
> 
> Why did I have the out of tree version installed? Because the in-tree
> version claimed to be 1.1.3, and the out-of-tree 1.2.16.  Apparently,
> the update to the version string for the in-kernel version got blocked
> someplace - the in-tree is apparently actually very close to 1.2.16.

I don't recall seeing such a patch, fwiw.  The only patch I recall
refusing from that team is the one that marks ipw2100 as broken
on big-endian.

If I missed those patches, please re-send them.

Thanks,

John
-- 
John W. Linville
linville@tuxdriver.com

Re: Unidentified Intel wifi network card

[Ross Vandegrift]

On Wed, Jan 31, 2007 at 03:54:55PM -0500, Valdis.Kletnieks@vt.edu wrote:
> Only gotcha I know of:  Sometimes one of the ipw3945d kernel threads will
> hang in a loop if the RFKill switch is set to "kill" when the system comes
> up.  I also don't know how it handles suspend, I don't use that on my D820.

I have a D820 and I had a horrible time with the wireless for a long
time.  Every five minutes or so, the card would flip out and burn 100%
CPU making the box unusable for 15-45 seconds.

The most recent version of the firmware fixed this issue and now
things are much better.

-- 
Ross Vandegrift
ross@kallisti.us

"The good Christian should beware of mathematicians, and all those who
make empty prophecies. The danger already exists that the mathematicians
have made a covenant with the devil to darken the spirit and to confine
man in the bonds of Hell."
	--St. Augustine, De Genesi ad Litteram, Book II, xviii, 37

Re: Unidentified Intel wifi network card

[Kristen Accardi]

On 1/31/07, Scott Lockwood <lkml@lrsehosting.com> wrote:
> I'm looking for assistance with a wifi device I can't find a driver for,
> the Intel Wireless 3945.
>
> I"m getting this:
>
> 0000:0c:00.0 Network controller: Intel Corporation: Unknown device 4222
> (rev 02)
>
> on a new Dell Latitude D820. Anyone know if there will be an open source
> driver for this any time soon, or if there is one now?
>
> I'm using the latest vendor supplied kernel, so my apologies if this has
> already been done and I'm late to the party. I wasn't able to find much,
> other than 'use the NDIS wrapper' which I really don't want to do.
>
> Thanks for any assistance, at all,
> Scott
>
> -
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>

If you want to play with the experimental version with no binary
regulatory daemon,
try here:
http://bughost.org/iwlwifi/

Otherwise, go here:
http://ipw3945.sf.net