Re: [Linux-zigbee-devel] 802.15.4 scan, scan_req and ieee802154_nl_scan_confirm()

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On Thu, Sep 18, 2014 at 02:07:21PM -0700, Andrey Yurovsky wrote:
> I'm troubleshooting issues with an Atmel AT86RF212 radio on mainline
> (3.17-rc5 at this time) and was wondering about forcing an active scan
> via the "iz scan" command.  This comes back as not supported so I
> wanted to understand why.
> 
> It looks like ieee802154_scan_req() should be invoked in nl-mac.c in
> response to a netlink message, this will return -EOPNOTSUPP when
> ieee802154_mlme_ops(dev)->scan_req is NULL, and indeed that appears to
> be the case.  I can't find anyone in the soft-MAC setting .scan_req in
> the MLME ops structure, is that correct?
> 
> The only place I see it set is the fake full-MAC radio (fakehard.c)
> where it's implemented as fake_scan_req() which in turn calls
> ieee802154_nl_scan_confirm() to report the fake scan result.
> 
> I then tried to find anything else calling
> ieee802154_nl_scan_confirm() and was unable to, is that right or am I
> missing something?
> 
> Please forgive my ignorance but is scanning "broken" at this time?

yep, I would say the mac802154, netlink interface is completely broken.
And didn't work ever at any mainline status.

Rework is in progress [0]. Please also note the project mailinglist is
moved to [1].

It will take abouth a month when I have a first RFC which has the
possibility to send mainline. Sorry.

For rework testing you need also wpan-tools, which based on iw tool from
wireless. (Have similar feeling).

[0] https://github.com/linux-wpan/linux-wpan-next/tree/wpan_rework_rfc
[1] http://vger.kernel.org/vger-lists.html#linux-wpan
[2] https://github.com/linux-wpan/wpan-tools
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