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Date:   Fri, 31 Mar 2023 16:36:10 -0500
From:   "sforshee@kernel.org" <sforshee@kernel.org>
To:     Eric Sellman <GAK_ACTION@live.com>
Cc:     "wireless-regdb@lists.infradead.org" 
        <wireless-regdb@lists.infradead.org>,
        "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: wireless-regdb: Update regulatory rules for USA on 5GHz
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On Fri, Mar 31, 2023 at 08:30:09PM +0000, Eric Sellman wrote:
> First, I would like to state that I live in the USA And that this is my first time submitting a correction to the wireless-regdb.
> 
> According to this list here >> https://git.kernel.org/pub/scm/linux/kernel/git/sforshee/wireless-regdb.git/tree/db.txt#n1727
> 
> I only see VHT160 allowed to be utilized for 5500mhz to 5640mhz but there is no mention of VH160 being allowed for use with 5180 to 5320mhz.
> 
> And according to this presentation here > https://transition.fcc.gov/oet/ea/presentations/files/may17/31-Part-15-Panel-UNII-UpdatesDT.pdf
> 
> And this paragraph from this FCC document here > https://www.federalregister.gov/d/2014-09279/p-65
> 
> "Band Straddling" is allowed with U-NII-1 and U-NII-2A. 5150mhz to 5330mhz
> 
> Therefore, I would like you to add to the db that 5180 to 5320 can be used with vht160.

You are correct, however the kernel rejects the database if the max
bandwidth for a range exceeds the size of the range for a given rule. So
unfortunately we can't set the max bandwidth to 160 MHz.

Thanks,
Seth