Re: stlc45xx: open source WLAN driver for N800 and N810

[Laurent GUERBY]

On Thu, 2008-09-18 at 23:47 +0300, Kalle Valo wrote:
> Everything is fully legal and official, no reverse engineering were
> done. This all was made possible by good co-operation with ST NXP
> Wireless.

That's great news for the free software world, thanks to all involved!

Now, transforming my Nokia N810 paired with the modem of my Nokia 6086
into a pocket wifi hotspot is just a few releases away :).

Laurent


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Re: stlc45xx: open source WLAN driver for N800 and N810

[Jamie Bennett]

On Thu, 2008-09-18 at 23:29 +0300, Kalle Valo wrote:
> >> I'm sending this from Helsinki-Vantaa airport on my way to Berlin. I
> >> will be giving a presentation about stlc45xx at the Maemo Summit on
> >> Friday 15:00. See you there!
> >
> > hopefully these will be recorded for those on the other side of the planet.
> 
> I hope not because I suck as a presenter =)

No escaping, it _will_ be recorded ;P

Regards,
Jamie
--
http:/www.linuxuk.org


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Re: stlc45xx: open source WLAN driver for N800 and N810

[Lorn Potter]

Kalle Valo wrote:
> "ext Lorn Potter" <[EMAIL PROTECTED]> writes:
> 
>> Kalle Valo wrote:
>>> I'm excited to announce a new project called stlc45xx, an open source
>>> WLAN driver for Nokia N800 and N810. It's using mac80211 stack
>>> included in Linux since 2.6.22. Even though I currently classify the
>>> driver as alpha quality I have managed to transfer 1.2 GB of data with
>>> iperf.
>> Excellent news! our sales and marketing will love you!
> 
> Heh. This release is for developers, definitely not for users. But
> maybe some day...

of course. I am a bit of a forward thinker. :)

> 
>>> I'm sending this from Helsinki-Vantaa airport on my way to Berlin. I
>>> will be giving a presentation about stlc45xx at the Maemo Summit on
>>> Friday 15:00. See you there!
>> hopefully these will be recorded for those on the other side of the planet.
> 
> I hope not because I suck as a presenter =)



-- 
Lorn 'ljp' Potter
Software Engineer, Systems Group, Trolltech, a Nokia company
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Re: stlc45xx: open source WLAN driver for N800 and N810

[Kalle Valo]

"ext Frantisek Dufka" <[EMAIL PROTECTED]> writes:

> Kalle Valo wrote:
>> Nokia 770 has stlc4370 and documentation for that chipset is not
>> available. I'm not aware of the differences between stlc4370 and the
>> newer chips so I cannot say how much work there is needed to get the
>> driver working in 770.
>
> Not good :-(

Yeah, I know.

> But still, the driver talks to the firmware and so far you were
> shipping both (3825/3826.arm) firmwares together so I hoped they
> offer same API when accessed over SPI.

Let's hope so.

> Or do you have some special and different 3826.arm firmware now for
> open source driver?

There is no separate firmware, stlc45xx uses the same firmware as
cx3110x/umac combination.

> Or is the difference in umac.ko for 770 vs N8x0? I hope not, I think
> Poky people were succesfull with 2.6.18 kernel and umac.ko for N800
> runing on 770. So can we take the firmware as working black box
> offering same functionality for both chips?

I can't comment on this. This is also a bit grey area for me because
the documentation covers only stlc4550 and stlc4560. I don't know the
legal situation with stlc4370.

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Re: stlc45xx: open source WLAN driver for N800 and N810

[Kalle Valo]

"ext Andrea Grandi" <[EMAIL PROTECTED]> writes:

> Does it support packet injection :) ?
>
> I want that featur :D

The best part with mac80211 design is that the driver doesn't care[1],
it's up to mac80211 if packet injection works or not. I haven't tested
it myself, but my understanding is that mac80211 supports packet
injection now.

[1] Of course the driver might have a bug which prevents packet
injection, but that's just a bug. The driver itself doesn't need to be
know where the transmitted packet is coming from.

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Re: stlc45xx: open source WLAN driver for N800 and N810

[Kalle Valo]

"ext Andrew Barr" <[EMAIL PROTECTED]> writes:

> Kalle Valo  nokia.com> writes:
>
>> I recommend anyone interested about the project joining
>> stlc45xx-devel. Unfortunately the garage project is closed currently,
>> but it will be opened as soon as possible.

The garage project is open now, or at least it should be. Please let
me know if there are problems.

> Does this mean we cannot download the source code 

I put the source code temporarily to the webpage but in the future all
releases are available from the project page:

https://garage.maemo.org/frs/?group_id=774

> or does this mean that joining the mailing list and/or the garage
> project is closed?

They should work now as the garage project is open.

> Also, since the tablets are currently using a 2.6.21 kernel, what
> is the recommended source tree (e.g. linux-omap) and/or version 
> to upgrade so we can test the driver?

I used stlc45xx 0.1.3 against this commit from linux-omap:

commit de1121fdb899f762b9e717f44eaf3fae7c00cd3e
Author: Daniel Stone <[EMAIL PROTECTED]>
Date:   Wed Aug 27 04:31:59 2008 +0300

ARM: OMAP2: Fix definition of SGX clock register bits

> Also, if you are free to answer this question, what is the 
> "officiality" of this project? Is this done with the blessing
> of Conexant? Does anyone have access to documentation or is 
> this all done by reverse engineering?

Everything is fully legal and official, no reverse engineering were
done. This all was made possible by good co-operation with ST NXP
Wireless.

As someone said, the homepage constains a bit more information, like
the link to the firmware documentation. I'll make better webpage next
week.

-- 
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Re: stlc45xx: open source WLAN driver for N800 and N810

[Frantisek Dufka]

Kalle Valo wrote:
> Nokia 770 has stlc4370 and documentation for that chipset is not
> available. I'm not aware of the differences between stlc4370 and the
> newer chips so I cannot say how much work there is needed to get the
> driver working in 770.
>

Not good :-( But still, the driver talks to the firmware and so far you 
were shipping both (3825/3826.arm) firmwares together so I hoped they 
offer same API when accessed over SPI. Or do you have some special and 
different 3826.arm firmware now for open source driver? Or is the 
difference in umac.ko for 770 vs N8x0? I hope not, I think Poky people 
were succesfull with 2.6.18 kernel and umac.ko for N800 runing on 770. 
So can we take the firmware as working black box offering same 
functionality for both chips?

Frantisek


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Re: stlc45xx: open source WLAN driver for N800 and N810

[Kalle Valo]

"ext Lorn Potter" <[EMAIL PROTECTED]> writes:

> Kalle Valo wrote:
>> I'm excited to announce a new project called stlc45xx, an open source
>> WLAN driver for Nokia N800 and N810. It's using mac80211 stack
>> included in Linux since 2.6.22. Even though I currently classify the
>> driver as alpha quality I have managed to transfer 1.2 GB of data with
>> iperf.
>
> Excellent news! our sales and marketing will love you!

Heh. This release is for developers, definitely not for users. But
maybe some day...

>> I'm sending this from Helsinki-Vantaa airport on my way to Berlin. I
>> will be giving a presentation about stlc45xx at the Maemo Summit on
>> Friday 15:00. See you there!
>
> hopefully these will be recorded for those on the other side of the planet.

I hope not because I suck as a presenter =)

-- 
Kalle Valo
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Re: stlc45xx: open source WLAN driver for N800 and N810

[Kalle Valo]

"ext John Holmblad" <[EMAIL PROTECTED]> writes:

> Kalle,

Hi John,

> does this driver provide full support for 802.11i-2004 (sometimes
> refereed to as WPA enterprise or WPA2 enterprise^1 ) or does it only
> support pre-shared key authentication?

Actually the driver doesn't care, this is entirely up to the
supplicant (in user space). I have used wpa_supplicant while testing
the driver which supports also WPA enterprise (and almost any other
method available).

Actually currently the driver knows nothing about encryption or
decryption because mac80211 encrypts all the frames in CPU. Hardware
crypto support is in the TODO list.

-- 
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Re: stlc45xx: open source WLAN driver for N800 and N810

[Kalle Valo]

"ext Frantisek Dufka" <[EMAIL PROTECTED]> writes:

>> Our aim is to run the project in community mode and all community
>> contribution is very welcomed.
>
> Will definitely try. 770 support comes to my mind first, current
> stlc45xx_readXX/writeXX code uses SPI framework, 770 has the chip
> connected over McBSP port. Should be posible to either resurrect
> direct McBSP code back or maybe add its driver it into SPI framework.

Nokia 770 has stlc4370 and documentation for that chipset is not
available. I'm not aware of the differences between stlc4370 and the
newer chips so I cannot say how much work there is needed to get the
driver working in 770.

-- 
Kalle Valo
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Re: stlc45xx: open source WLAN driver for N800 and N810

[Andrea Grandi]

Does it support packet injection :) ?

I want that featur :D

2008/9/18 Lorn Potter <[EMAIL PROTECTED]>:
> Ryan Abel wrote:
>> On Sep 18, 2008, at 10:14 AM, Andrew Barr wrote:
>>
>>> Now if you guys could just free DSME and BME, I'd have few
>>> complaints left. :P
>>
>>
>> DSME is being opened.
>
> Also excellent news!
>
>
>
> --
> Lorn 'ljp' Potter
> Software Engineer, Systems Group, Trolltech, a Nokia company
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-- 
Andrea Grandi
email: a.grandi [AT] gmail [DOT] com
website: http://www.andreagrandi.it
PGP Key: http://www.andreagrandi.it/pgp_key.asc
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Re: stlc45xx: open source WLAN driver for N800 and N810

[Lorn Potter]

Ryan Abel wrote:
> On Sep 18, 2008, at 10:14 AM, Andrew Barr wrote:
> 
>> Now if you guys could just free DSME and BME, I'd have few
>> complaints left. :P
> 
> 
> DSME is being opened.

Also excellent news!



-- 
Lorn 'ljp' Potter
Software Engineer, Systems Group, Trolltech, a Nokia company
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Re: stlc45xx: open source WLAN driver for N800 and N810

[Lorn Potter]

Kalle Valo wrote:
> I'm excited to announce a new project called stlc45xx, an open source
> WLAN driver for Nokia N800 and N810. It's using mac80211 stack
> included in Linux since 2.6.22. Even though I currently classify the
> driver as alpha quality I have managed to transfer 1.2 GB of data with
> iperf.

Excellent news! our sales and marketing will love you!

> 
> Our aim is to run the project in community mode and all community
> contribution is very welcomed. A git repository will be set up soon to
> make it easier for the developers to work on the driver. The project
> web page will contain more information as it comes available:
> 
> http://stlc45xx.garage.maemo.org/
> 
> I recommend anyone interested about the project joining
> stlc45xx-devel. Unfortunately the garage project is closed currently,
> but it will be opened as soon as possible.
> 
> I'm sending this from Helsinki-Vantaa airport on my way to Berlin. I
> will be giving a presentation about stlc45xx at the Maemo Summit on
> Friday 15:00. See you there!

hopefully these will be recorded for those on the other side of the planet.



-- 
Lorn 'ljp' Potter
Software Engineer, Systems Group, Trolltech, a Nokia company
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Re: New theme

[Jeffrey Barish]

Jeffrey Barish wrote:

> However, there is still something strange going on.  When I write text to
> the progress bar, the two buttons adjacent to the progress bar move 1
> pixel to the right (while the progress bar remains stationary).  As a
> result, the button on the left collides with the progress bar and the gap
> on the right between the progress bar and the button on the right
> increases from 1 pixel to 2 pixels.

When the progressbar gets text, it receives a size-allocate signal.  As a
consequence, its enclosing hbox reallocates.  I thought that possibly the
hbox moved 1 px to the right when it reallocated, but that is not the case. 
The button to the left of the progressbar does not get a size-allocate
signal after it is first realized, at which time its abscissa is 0.  Is
there a way for its abscissa to change to 1 -- which I know is happening
because I see the button move -- without getting a size-allocate signal? 
Does anyone have an idea of what could be happening to account for the
movement of the button 1 px to the right when I write text in the
progressbar?  I was thinking that I could design around the bug in maemo by
catching the signal that caused the erroneous movement and then moving the
button back where it belongs, but I haven't been able to find a signal
related to the movement.  I tried moving the button back where it belongs
everytime the hbox resizes (using size_allocate), but the button remains 1
px to the right of its correct position.
-- 
Jeffrey Barish

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Re: stlc45xx: open source WLAN driver for N800 and N810

[Frantisek Dufka]

John Holmblad wrote:
> Frantisek,
> 
> ok, you got me. "bitrotting"?
> 
> May I surmise that that is what happens to files, hw & software when you 
> throw them in the "bit bucket" aka "the trash-heap of digital history"?
> 

Yes, this happens also to linux kernel and all software running on the 
tablet. Having free wi-fi driver means open possibilities to have newer 
systems ported to the tablet (like Android for instance) so people are 
not permanently stuck with ancient software on the tablet.

Until now it was possible to use wi-fi on the tablet only with 2.6.16, 
2.6.18 and 2.6.21 linux kernels (all quite old today) and only in 
specifc configurations that do not break closed wi-fi driver module.

Frantisek
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Re: stlc45xx: open source WLAN driver for N800 and N810

[John Holmblad]

Frantisek,

ok, you got me. "bitrotting"?

May I surmise that that is what happens to files, hw & software when you 
throw them in the "bit bucket" aka "the trash-heap of digital history"?


Best Regards,

 

John Holmblad

 

Acadia Secure Networks, LLC

* *





Frantisek Dufka wrote:
> Kalle Valo wrote:
>   
>> I'm excited to announce a new project called stlc45xx, an open source
>> WLAN driver for Nokia N800 and N810.
>> 
>
> Excellent news, many thanks Nokia :-) This saves our N8x0 tablets from 
> bitrotting. And hopefully 770 too. Now it actually makes sense to beat 
> linux-omap into working shape for all current tablets giving them extra 
> life for years.
>
>   
>> It's using mac80211 stack
>> included in Linux since 2.6.22. 
>> 
>
> I wonder what kernel will Fremantle use. Would be nice to run it with 
> same kernel and switch between wi-fi stacks on the fly.
>
>   
>> Our aim is to run the project in community mode and all community
>> contribution is very welcomed.
>> 
>
> Will definitely try. 770 support comes to my mind first, current 
> stlc45xx_readXX/writeXX code uses SPI framework, 770 has the chip 
> connected over McBSP port. Should be posible to either resurrect direct 
> McBSP code back or maybe add its driver it into SPI framework.
>
> Frantisek
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>
>   
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Re: stlc45xx: open source WLAN driver for N800 and N810

[Ryan Abel]

On Sep 18, 2008, at 10:14 AM, Andrew Barr wrote:

> Now if you guys could just free DSME and BME, I'd have few
> complaints left. :P


DSME is being opened.

--
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Maemo Community Council chair

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Re: stlc45xx: open source WLAN driver for N800 and N810

[Leandro Sales]

Andrew,
   read the http://stlc45xx.garage.maemo.org/ and you will have
answers for your questions.

Regards,
Leandro.

On Thu, Sep 18, 2008 at 11:14 AM, Andrew Barr
<[EMAIL PROTECTED]> wrote:
> Kalle Valo  nokia.com> writes:
>
>>
>> I'm excited to announce a new project called stlc45xx, an open source
>> WLAN driver for Nokia N800 and N810.
>
>
> This is wonderful news, it is one less proprietary component needed
> on the tablets.
>
> Now if you guys could just free DSME and BME, I'd have few
> complaints left. :P
>
>> I recommend anyone interested about the project joining
>> stlc45xx-devel. Unfortunately the garage project is closed currently,
>> but it will be opened as soon as possible.
>
> Does this mean we cannot download the source code or does this
> mean that joining the mailing list and/or the garage project is
> closed?
>
> Also, since the tablets are currently using a 2.6.21 kernel, what
> is the recommended source tree (e.g. linux-omap) and/or version
> to upgrade so we can test the driver?
>
> Also, if you are free to answer this question, what is the
> "officiality" of this project? Is this done with the blessing
> of Conexant? Does anyone have access to documentation or is
> this all done by reverse engineering?
>
> Thanks,
> Andrew
>
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-- 
Leandro Melo de Sales
Pervasive and Embedded Computing Laboratory
Master in Computer Science
http://embedded.ufcg.edu.br/indexen.html
+55 83 3310-1404 (extension 208)

http://www.leandrosales.com/
PGP: 0xDE492718 @ wwwkeys.pgp.net
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Re: stlc45xx: open source WLAN driver for N800 and N810

[Andrew Barr]

Kalle Valo  nokia.com> writes:

> 
> I'm excited to announce a new project called stlc45xx, an open source
> WLAN driver for Nokia N800 and N810. 


This is wonderful news, it is one less proprietary component needed 
on the tablets.

Now if you guys could just free DSME and BME, I'd have few 
complaints left. :P

> I recommend anyone interested about the project joining
> stlc45xx-devel. Unfortunately the garage project is closed currently,
> but it will be opened as soon as possible.

Does this mean we cannot download the source code or does this
mean that joining the mailing list and/or the garage project is 
closed?

Also, since the tablets are currently using a 2.6.21 kernel, what
is the recommended source tree (e.g. linux-omap) and/or version 
to upgrade so we can test the driver?

Also, if you are free to answer this question, what is the 
"officiality" of this project? Is this done with the blessing
of Conexant? Does anyone have access to documentation or is 
this all done by reverse engineering?

Thanks,
Andrew

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Re: stlc45xx: open source WLAN driver for N800 and N810

[Frantisek Dufka]

Kalle Valo wrote:
> I'm excited to announce a new project called stlc45xx, an open source
> WLAN driver for Nokia N800 and N810.

Excellent news, many thanks Nokia :-) This saves our N8x0 tablets from 
bitrotting. And hopefully 770 too. Now it actually makes sense to beat 
linux-omap into working shape for all current tablets giving them extra 
life for years.

> It's using mac80211 stack
> included in Linux since 2.6.22. 

I wonder what kernel will Fremantle use. Would be nice to run it with 
same kernel and switch between wi-fi stacks on the fly.

> 
> Our aim is to run the project in community mode and all community
> contribution is very welcomed.

Will definitely try. 770 support comes to my mind first, current 
stlc45xx_readXX/writeXX code uses SPI framework, 770 has the chip 
connected over McBSP port. Should be posible to either resurrect direct 
McBSP code back or maybe add its driver it into SPI framework.

Frantisek
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stlc45xx: open source WLAN driver for N800 and N810

[Kalle Valo]

I'm excited to announce a new project called stlc45xx, an open source
WLAN driver for Nokia N800 and N810. It's using mac80211 stack
included in Linux since 2.6.22. Even though I currently classify the
driver as alpha quality I have managed to transfer 1.2 GB of data with
iperf.

Our aim is to run the project in community mode and all community
contribution is very welcomed. A git repository will be set up soon to
make it easier for the developers to work on the driver. The project
web page will contain more information as it comes available:

http://stlc45xx.garage.maemo.org/

I recommend anyone interested about the project joining
stlc45xx-devel. Unfortunately the garage project is closed currently,
but it will be opened as soon as possible.

I'm sending this from Helsinki-Vantaa airport on my way to Berlin. I
will be giving a presentation about stlc45xx at the Maemo Summit on
Friday 15:00. See you there!

Kalle Valo
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