RE: [PATCH v4 2/4] scan: Add a configuration option to disable 6GHz collocated scanning

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Hi,

> -----Original Message-----
> From: Jouni Malinen <j@xxxxx>
> Sent: Monday, April 18, 2022 18:20
> To: Peer, Ilan <ilan.peer@xxxxxxxxx>
> Cc: hostap@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH v4 2/4] scan: Add a configuration option to disable 6GHz
> collocated scanning
> 
> On Mon, Apr 11, 2022 at 05:21:59PM +0300, Ilan Peer wrote:
> > This configuration option can be used to disable 6GHz collocated scan
> > logic which would result with passively scanning 6GHz non PSC channels.
> 
> Is this really something we should do as a configuration option? Is the default
> behavior to scan only the 6 GHz channels that are either PSC or that have
> been determined to have a BSS based on neighbor report? And is that
> somehow conditional on active vs. passive scanning?
> 
> I could understand having a need for a specific SCAN command that will scan
> all 6 GHz channels passively, but it would seem more reasonable to do that
> with a SCAN control interface command argument instead of a configuration
> parameter that applies to all scan operations. Isn't it way too slow to scan all
> non-PSC channels on the 6 GHz using a passive scan for normal use?
> 

This was requested as testing option by Ben. I agree that extending the scan command to
force passively scanning 6GHz channels makes more sense. I'll prepare such a change.

Regards,

Ilan.

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