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From: Krishna Chaitanya <chaitanya.mgit@gmail.com>
Date: Fri, 22 Jul 2016 17:51:40 +0530
Message-ID: <CABPxzYL2D1b08vOJc9b9WCjjEDtgHW2UQFNVSyxD5wSjidmiQA@mail.gmail.com> (sfid-20160722_142207_303751_D8BD6797)
Subject: Re: ath10k + iw set bitrates is causing FW crash
To: "Manoharan, Rajkumar" <rmanohar@qti.qualcomm.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
	ath10k <ath10k@lists.infradead.org>
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Sender: linux-wireless-owner@vger.kernel.org

On Fri, Jul 22, 2016 at 5:29 PM, Manoharan, Rajkumar
<rmanohar@qti.qualcomm.com> wrote:
> [...]
>> >> Thanks Raj, with this fix the rates are 0-7, if i disable then i am
>> >> seeing 0-9, so its
>> >> working.
>> >>
>> >> But i am seeing a weird issues, the moment i give bitrates command,
>> >> ath10k no longer does encryption, link is a WPA2-PSK: AES. Even after
>> >> interface up/down
>> >> it doesn't work.
>>> After reboot i dont see the "unencrypted" packet issue, i will do
>>> some more testing on limiting the rates, currently in my setup its
>>> not reaching MCS9 so cannot verify now.
>> Rajkumar,
>>
>> I am still not able to make mcs9 work, so i have tried to change the Nss to 1
>> using iw, but that is not taking affect. This command is not taking effect.
>>
> you mean not able to fix VHT rates alone. am i right? By auto rate mode, is firmware selecting
> mcs9? What is the command used for fixing vht rate?
Basically my requirement is to disable MCS8 and 9 for comparison.
to check whether ath10k honors the iw command, i used below
command. changing to 1SS, but i could see that it still transmits
using 2SS. Does your patch ignore these settings except for
adhoc mode?

iw set bitrates vht-mcs-5 1:0-7