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From: "Manoharan, Rajkumar" <rmanohar@qti.qualcomm.com>
Subject: Re: ath10k + iw set bitrates is causing FW crash
Date: Fri, 8 Jul 2016 10:09:21 +0000
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To: Krishna Chaitanya <chaitanya.mgit@gmail.com>, linux-wireless <linux-wireless@vger.kernel.org>, ath10k <ath10k@lists.infradead.org>

>> I am using ath10k driver with qca988x hw2.0 and trying to limit it to use
>> VHT MCS0-7 (iw set bitrates vht-mcs-5 2:0-7).
>>
>> But the command it causing a FW crash, if it disable HW_HAS_RATE_CONTROL
>> no crash is observed but it still uses MCS9.
>>
>> tree: wireless-drivers-next: commit#535633a5ba4ea2504fa6c33176633becf0e59339
>>
>> 1) If i disable HW_RATE_CONTROL, will ath10k honor
>> the mac80211 rates?
>>
>
Thanks for reporting the issue. Could you please try with below change?

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 5e1cc8f4c43c..cfa7e01a6103 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2812,6 +2812,9 @@ static int ath10k_station_assoc(struct ath10k *ar,
                return ret;
        }

+       if (vif->type != NL80211_IFTYPE_ADHOC)
+               peer_arg.peer_reassoc = reassoc;
+
        ret = ath10k_wmi_peer_assoc(ar, &peer_arg);
        if (ret) {
                ath10k_warn(ar, "failed to run peer assoc for STA %pM vdev %i: %d\n",

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