On Tue, Feb 24, 2015 at 4:05 PM, Johannes Berg
<johan...@sipsolutions.net> wrote:
> On Tue, 2015-02-24 at 15:58 +0530, Krishna Chaitanya wrote:
>
>> STA (mac80211) connects to AP in VHT-80.
>> AP is reconfigured to 11n40 (stops beaconing for about 30secs and then
>> starts again).
>> STA loses connection (HW_CONN_TRACK), iee80211_connection_loss is called.
>> STA see's AP again and tries to connect,
>
> But this goes through the supplicant, right? You actually get a full
> connection loss (which I certainly would expect after 30 seconds)

Our HW N/W lost event timeout is 5secs.

>>  but due to BW tracking in
>> mac80211 it doesn't connect.
>>
>> So i guess we are not resetting the tracking after losing connection.
>
> Right, some flag is not getting reset correctly I suppose. I thought we
> had pretty robust code for this, but I guess not.
>
> Easiest might be to print the flags and other state for during all
> connection attempts, and then compare
>  * VHT connection
>  * subsequent HT connection
>  * HT connection after reloading the driver
Sure Johannes, will share the info.
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