wifi: ath12k: Use mac80211 sta's link_sta instead of deflink

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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_mac_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@quicinc.com>
Co-developed-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20241121155806.1862733-9-kvalo@kernel.org

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Sriram R 2024-11-21 17:58:06 +02:00 • committed by Kalle Valo

parent 3952657848

commit 63fdb90642

1 changed files with 209 additions and 83 deletions

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drivers/net/wireless/ath/ath12k/mac.c

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