[PATCH v2] wifi: ath12k: add wait operation for tx management packets for flush from mac80211

[Kalle Valo]

Ramya Gnanasekar <quic_rgnanase at quicinc.com> wrote:

> 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>
> Signed-off-by: Kalle Valo <quic_kvalo at quicinc.com>

Patch applied to ath-next branch of ath.git, thanks.

5189a8dba849 wifi: ath12k: add wait operation for tx management packets for flush from mac80211

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230419095738.19859-1-quic_rgnanase@quicinc.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches