integrating user-space drivers and Intel WiMAX network service

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? Thu, 04 Mar 2010 09:52:13 -0800
Inaky Perez-Gonzalez <inaky at linux.intel.com> ?????:

> On Sat, 2010-02-27 at 20:20 +0300, Alexander Gordeev wrote: 
> > On Fri, 26 Feb 2010 10:33:17 -0800
> > Inaky Perez-Gonzalez <inaky.perez-gonzalez at intel.com> wrote:
> > 
> > ... [snipped a lot]...
> > > > > or more authentication realms (VNOs), yota.ru in this case.
> > > > 
> > > > Well, I quite understand you. :)
> > > > I don't remember when and why we first called this "SSID" so it's a
> > > > jargon word in this case.
> > > 
> > > Sorry :/ I should have known...
> > 
> > No problem. I'm not good in WiMAX terminology in fact.
> > BTW do VNO and NSP ID mean the same? Maybe you can point me to some
> > good overview of these terms? I've found this thread:
> > http://www.mail-archive.com/wimax at linuxwimax.org/msg00735.html
> > 
> > It tells that there are 3 entities: NAP, NSP and VNO. So "@yota.ru"
> > is a VNO? Interesting...
> 
> Well, a NAP is the base station your device connects to, the hardware
> itself so to speak. The NSP is the connectivity provider which link you
> upstream to the network of the VNO. The VNO is the "final" ISP, so to
> speak.
> 
> In many cases, the NSP and the VNO are the same entity, or the NSP can
> be reselling it's service to different VNOs, they can be sharing the
> same network, etc. The NAPs can be different entities which subscribe
> agreements with one or more NSPs to provide 'last mile' connectivity.
> 
> In the case of Yota, I don't know details, but maybe they are all the
> same entity.

Yes, AFAIK they are.

> > ...
> > > > > 
> > > > > scan() -> { list of NAPs / VNOs }
> > > > 
> > > > Too bad but I still don't know how to do this. :(
> > > > The official client software doesn't request any scan operations.
> > > > Firmware disassembling showed that it is possible but we still can't
> > > > make it work.
> > > 
> > > Well, then this would be stubbed -- hi, I take scan operations and I
> > > only fake a of a single network.
> > > 
> > > Do you have a way to detect network presence?
> > 
> > Well, sort of. I can try to connect. :)
> > BTW the connect operation splits in two parts:
> >  * sync to the BS (i.e. connect to NAP)
> >  * negotiate about the connection (i.e. connect to NSP)
> > 
> > These are two separate requests. But I don't gather any additional info
> > between them. Dunno if this can help.
> 
> I see
> 
> > > > > connect(NAP, EAP auth data)
> > > > 
> > > > Seems there is no way to set NAP ID currently. EAP auth data is
> > > > what we discussed above and there is also a request to connect to
> > > > network.
> > > 
> > > Actually, I meant NSP, or a VNO...so when you tell it to connect, you
> > > don't have to specify any NSP ID? just "connect" and it figures it out
> > > and then uses the realm in EAP to select a VNO? Interesting...
> > 
> > Right, I only send "@yota.ru" and start to connect.
> 
> Ok, should not be to difficult then to fit in to an interface on the
> shape defined above. A higher level interface would take care, at user
> space level, of selecting the right VNO to pass in EAP information
> depending on how the network likes it.

Ok, good.

-- 
  Alexander
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