[PATCH 8/8] wifi: ath12k: Use mac80211 sta's link_sta instead of deflink

[Jeff Johnson]

On 11/6/2024 6:26 AM, Kalle Valo wrote:
> From: Sriram R <quic_srirrama at quicinc.com>
> 
> Currently mac80211's struct ieee80211_sta deflink is used to fetch any sta
> related configurations in driver. With MLO multiple link sta's (struct
> ieee80211_link_sta) are affiliated to an ML sta and corresponding link configs
> are present in sta->link[]. Fetch link sta of corresponding link from ML sta
> and use the same for configurations.
> 
> Add ath12k_get_link_sta() helper to fetch ieee80211_link_sta from arsta. But as
> ath12k_mac_op_sta_rc_update() is called in atomic context the helper cannot be
> used and instead rcu_dereference() has to be called directly.
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> 
> Signed-off-by: Sriram R <quic_srirrama at quicinc.com>
> Co-developed-by: Rameshkumar Sundaram <quic_ramess at quicinc.com>
> Signed-off-by: Rameshkumar Sundaram <quic_ramess at quicinc.com>
> Signed-off-by: Kalle Valo <quic_kvalo at quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson at quicinc.com>