Re: [PATCH] ath9k: Cancel pending offchannel operations [and 1 more messages]

[Sujith Manoharan <sujith@msujith.org>]

Hi John,

Can you please hold off on these patches ?
I'll repost them after some more testing.

Sujith

Sujith Manoharan wrote:
> From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
> 
> In mgd_prepare_tx(), any pending HW scan is cancelled,
> but pending RoC operations are not cancelled. This
> results in a RoC request that never completes. For example,
> in a GO/STA setup, if p2p-find is initiated on an active GO
> interface wpa_s issues a RoC on the listen channel at the
> end of each scan run.
> 
> Enabling the station interface will force the station context
> and the earlier RoC is not cleared. Fix this by clearing all
> pending offchannel operations in mgd_prepare_tx().

Sujith Manoharan wrote:
> From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
> 
> When a pending roc or scan operation is cancelled,
> the offchannel operation is cleared, but the offchannel
> state in the main scheduler is not cleared. This causes
> problems since an active GO will try to process a stale
> offchannel request that was deferred earlier. Fix this
> by clearing the state when there is no pending offchannel
> (roc/scan) operation.