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Subject: Re: [PATCH] iw: add optional argument to parse 6G band channel
To:     Johannes Berg <johannes@sipsolutions.net>,
        Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
Cc:     linux-wireless@vger.kernel.org
References: <1602283770-8026-1-git-send-email-pradeepc@codeaurora.org>
 <5c39eaec897af4d7b1005d1f7cb80552c3404e54.camel@sipsolutions.net>
From:   Arend Van Spriel <arend.vanspriel@broadcom.com>
Message-ID: <e0ba2a4d-3f82-22f6-e928-1ac25eb1448b@broadcom.com>
Date:   Fri, 6 Nov 2020 10:05:06 +0100
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On 11/6/2020 9:55 AM, Johannes Berg wrote:
> On Fri, 2020-10-09 at 15:49 -0700, Pradeep Kumar Chitrapu wrote:
>> Channel numbers of 6G band overlaps with those of 2G or 5G bands.
>> Therefore, an optional argument "6G" is added and expected next
>> to channel number to map it to correct 6GHz frequency. If not
>> specified, defaults to matching 2G or 5G frequency.
>>
>> example:
>> iw wlanX set channel 149 6G 80MHz  --> maps to 6695 MHz
>> iw wlanX set channel 149 80MHz     --> maps to 5745 MHz
> 
> Hm. I can't really say I like this much.
> 
> Is it _really_ needed? I mean, we mostly specify the frequency today, so
> ... why not just always do that for 6 GHz?

I suspect there are people preferring channel numbers as much as there 
are people preferring frequencies. Personally, I think it is acceptable 
to put this limitation on 6G.

Regards,
Arend

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