[PATCH] wifi: ath12k: add wait operation for tx management packets for flush from mac80211

[Ramya Gnanasekar]

> -----Original Message-----
> From: Kalle Valo <kvalo at kernel.org>
> Sent: Monday, April 17, 2023 6:26 PM
> To: Ramya Gnanasekar (Temp) (QUIC) <quic_rgnanase at quicinc.com>
> Cc: ath12k at lists.infradead.org; linux-wireless at vger.kernel.org; Karthik M
> (QUIC) <quic_karm at quicinc.com>
> Subject: Re: [PATCH] wifi: ath12k: add wait operation for tx management
> packets for flush from mac80211
> 
> WARNING: This email originated from outside of Qualcomm. Please be wary of
> any links or attachments, and do not enable macros.
> 
> Ramya Gnanasekar <quic_rgnanase at quicinc.com> writes:
> 
> > From: Karthik M <quic_karm at quicinc.com>
> >
> > Transmission of management packets are done in a work queue. Sometimes
> > the workqueue does not finish Tx immediately, then it lead after the
> > next step of vdev delete finished, it start to send the management
> > packet to firmware and lead firmware crash.
> >
> > ieee80211_set_disassoc() have logic of ieee80211_flush_queues() after
> > it send_deauth_disassoc() to ath12k, its purpose is make sure the
> > deauth was actually sent, so it need to change ath12k to match the
> > purpose of mac80211.
> >
> > To address these issues wait for Tx management as well as Tx data packets.
> >
> > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-
> QCAHKSWPL_SILICONZ-1
> >
> > Signed-off-by: Karthik M <quic_karm at quicinc.com>
> > Signed-off-by: Ramya Gnanasekar <quic_rgnanase at quicinc.com>
> >
> > diff --git a/drivers/net/wireless/ath/ath12k/core.c
> > b/drivers/net/wireless/ath/ath12k/core.c
> > index a89e66653f04..499b81cd938e 100644
> 
> Ramya, how do you submit your patches? Your patches are missing the "---" line
> which breaks my scripts. I have asked this already before but no reply from you:
> 
> https://lore.kernel.org/all/87edqot8m4.fsf@kernel.org/
> 
> Please do not ignore my questions. If you continue to do that I will just stop
> taking patches from you.
> 
> --
> https://patchwork.kernel.org/project/linux-wireless/list/
> 
> https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatch
> es

Hi Kalle,

I use "git send-email" to send the patches and the patches are generated using "git format-patch" command.

Thanks,
Ramya