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From: Krishna Chaitanya <chaitanya.mgit@gmail.com>
Date: Thu, 7 Jan 2016 22:28:46 +0530
Message-ID: <CABPxzY+Me1ocZQYPtw83Wa_0ti+eOiOf1d1srHqtf_nsu-ON9w@mail.gmail.com> (sfid-20160107_175911_536979_AD86B739)
Subject: Re: lost connectivity until "wpa_cli reassociate" is issued
To: David Mosberger <davidm@egauge.net>
Cc: Ben Greear <greearb@candelatech.com>,
	linux-wireless <linux-wireless@vger.kernel.org>
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Sender: linux-wireless-owner@vger.kernel.org

On Thu, Jan 7, 2016 at 10:17 PM, David Mosberger <davidm@egauge.net> wrote:
> On Thu, Jan 7, 2016 at 9:32 AM, Krishna Chaitanya
> <chaitanya.mgit@gmail.com> wrote:
>
>> Management frames use a different queue (VO)
>> from the logs it looks like a data path issue in driver/FW.
>>
>> The re-association might be clearing/triggering TX in driver
>> solving the issue.
>
> That sounds plausible to me.  Is there an easy way to see the queues?
> I haven't tried debugfs yet.
We can check pending packets per queue at mac80211, but first
we need some info from driver level. Someone familiar with RTL
should help.

cat /sys/kernel/debug/ieee80211/phy*/queues

If you see non-zero packets here (or) if the queue is stopped
that might explain this behavior...