Re: is anyone actually still using WiMAX

2015-02-13 Thread Dan Williams
On Tue, 2015-02-10 at 09:53 -0500, Dan Winship wrote:
> While taking cheap potshots at WiMAX during devconf.cz, we started
> wonder whether anyone would care (or even notice) if we dropped support
> for it in NM 1.2, given that:
> 
>   - WiMAX seems to be a dying technology
> 
>   - the Intel WiMAX driver for Linux has never worked very well, and
> the SDK appears to no longer be supported
> 
>   - NM's WiMAX support requires a hacked up version of the Intel
> WiMAX SDK that supports libnl3, which exists only in a git
> repository whose location has never been terribly well
> advertised, suggesting most distros probably don't build it
> anyway.
> 
>   - Fedora dropped it a few releases back and there was no uproar
> 
> Of course this would not affect people using WiMAX via external hotspots
> (assuming such people and hotspots still exist).

Side note: here in the US, Clear/Sprint (the only national WiMAX
provider) will be shutting down their WiMAX network in June 2015 and
transitioning the spectrum over to TDD-LTE.  Yota in Russia moved to
TDD-LTE in 2013, and I think the only major networks left are UQ in
Taiwan/Japan and KT in South Korea...

Also, Intel devices are the only ones supported by NM right now, and
they haven't made the hardware or updated drivers since 2012.

Dan

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Re: [review] dcbw/0910-memleaks

2015-02-13 Thread Dan Williams
On Tue, 2015-02-10 at 15:44 +0100, Lubomir Rintel wrote:
> On Tue, 2015-02-10 at 15:10 +0100, Dan Williams wrote:
> > Hi,
> > 
> > Review request for this; most are cherry-picks (with fixup) for
> > thaller's git master memleak fixes.  Anything that has my commit
> > authorship is new though and should get a look.  It allows
> > valgrind-enabled 'make check' to pass on 0.9.10.
> 
> Looks good to me.
> 
> Passed a compile-check with Werror too.

Thanks, merged to nm-0-9-10.

Dan

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Re: is anyone actually still using WiMAX

2015-02-13 Thread Dan Winship
On 02/12/2015 12:47 PM, Stuart Gathman wrote:
>> Am 10.02.2015 um 15:53 schrieb Dan Winship:
>>> Of course this would not affect people using WiMAX via external hotspots
>>> (assuming such people and hotspots still exist).

> WiMax by its nature encourages locked, proprietary end points, so it is
> primarily used with an external hotspot.  This is not a bad thing - buy
> the proprietary hotspot, and you have WiMax internet anywhere in Jordan,
> for instance.  But it would be an uphill slog to support directly
> connecting to proprietary networks, and I have yet to see an open WiMax
> network.
> 
> So my 2 cents would be to shelve support until there is WiMax network
> that can use it.  (Does anyone know of one operating today?)

The networks themselves are proprietary, but the protocol for
communicating with them is open, just like with GSM/CDMA-based mobile
broadband. If you have certain Intel Wi-Fi chipsets in your laptop (like
the 6250) then, you can connect to WiMAX networks directly, without an
external hotspot. Except, as noted, the driver support is sketchy (last
time I tested it, using WiMAX at all caused Wi-Fi to break completely
until you rebooted), and at least Fedora, Debian, and Ubuntu aren't
building support for it.

(So it's looking like the answer to the original question is: no, no one
will care if we rip out support for it completely.)

-- Dan

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