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From: asinghal@codeaurora.org
To: Arend Van Spriel <arend.vanspriel@broadcom.com>
Cc: johannes@sipsolutions.net, jouni@codeaurora.org,
	linux-wireless@vger.kernel.org, jjohnson@codeaurora.org,
	rmanohar@codeaurora.org
Subject: Re: [PATCH] cfg80211: Convert 6 GHz channel frequency to channel number
Date: Fri, 30 Aug 2019 11:03:37 -0700	[thread overview]
Message-ID: <eced13d4e91dee3f5ad82a2278ef7af5@codeaurora.org> (raw)
In-Reply-To: <544cab9b-8914-370d-c8a9-407ce88f6f32@broadcom.com>

On 2019-08-30 03:45, Arend Van Spriel wrote:
> On 8/30/2019 12:21 AM, Amar Singhal wrote:
>> Enhance function ieee80211_frequency_to_channel by adding 6 GHz
>> channels.
> 
> This look very similar to what I submitted earlier:
> 
> https://patchwork.kernel.org/patch/11073197/
> 
> Regards,
> Arend
-	else if (freq <= 45000) /* DMG band lower limit */
+	else if (freq < 5940)
  		return (freq - 5000) / 5;
+	else if (freq <= 45000) /* DMG band lower limit */
+		/* see 802.11ax D4.1 27.3.22.2 */
+		return (freq - 5940) / 5;

hi Arend,
           I see a small issue in your patch above; for frequency 5940, 
the channel number returned would be 0 which is an invalid channel. I 
guess 6 GHz center frequency numbers begin with 4945.

rgds,
Amar






  reply	other threads:[~2019-08-30 18:03 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-29 22:21 [PATCH] cfg80211: Convert 6 GHz channel frequency to channel number Amar Singhal
2019-08-30 10:32 ` Johannes Berg
2019-08-30 10:47   ` Arend Van Spriel
2019-08-30 10:48     ` Johannes Berg
2019-08-30 10:45 ` Arend Van Spriel
2019-08-30 18:03   ` asinghal [this message]
2019-08-30 18:08     ` asinghal

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