wifi: ath12k: refactor ath12k_bss_assoc()

To support single wiphy abstraction, introduce link/radio specific helper
function in the mac80211 callback bss_info_change(). This way, the
callback can be extended to handle multiple link/radio in the future.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240103063731.3356060-3-quic_periyasa@quicinc.com

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

@@ -2279,12 +2279,11 @@ static int ath12k_setup_peer_smps(struct ath12k *ar, struct ath12k_vif *arvif,
 					 ath12k_smps_map[smps]);
 }
 
-static void ath12k_bss_assoc(struct ieee80211_hw *hw,
-			     struct ieee80211_vif *vif,
+static void ath12k_bss_assoc(struct ath12k *ar,
+			     struct ath12k_vif *arvif,
 			     struct ieee80211_bss_conf *bss_conf)
 {
-	struct ath12k *ar = hw->priv;
-	struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+	struct ieee80211_vif *vif = arvif->vif;
 	struct ath12k_wmi_peer_assoc_arg peer_arg;
 	struct ieee80211_sta *ap_sta;
 	struct ath12k_peer *peer;
@@ -2374,11 +2373,9 @@ static void ath12k_bss_assoc(struct ieee80211_hw *hw,
 			    arvif->vdev_id, ret);
 }
 
-static void ath12k_bss_disassoc(struct ieee80211_hw *hw,
-				struct ieee80211_vif *vif)
+static void ath12k_bss_disassoc(struct ath12k *ar,
+				struct ath12k_vif *arvif)
 {
-	struct ath12k *ar = hw->priv;
-	struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
 	int ret;
 
 	lockdep_assert_held(&ar->conf_mutex);
@@ -2504,13 +2501,12 @@ static int ath12k_mac_fils_discovery(struct ath12k_vif *arvif,
 	return ret;
 }
 
-static void ath12k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
-					   struct ieee80211_vif *vif,
-					   struct ieee80211_bss_conf *info,
-					   u64 changed)
+static void ath12k_mac_bss_info_changed(struct ath12k *ar,
+					struct ath12k_vif *arvif,
+					struct ieee80211_bss_conf *info,
+					u64 changed)
 {
-	struct ath12k *ar = hw->priv;
-	struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+	struct ieee80211_vif *vif = arvif->vif;
 	struct cfg80211_chan_def def;
 	u32 param_id, param_value;
 	enum nl80211_band band;
@@ -2523,7 +2519,7 @@ static void ath12k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
 	u8 rateidx;
 	u32 rate;
 
-	mutex_lock(&ar->conf_mutex);
+	lockdep_assert_held(&ar->conf_mutex);
 
 	if (changed & BSS_CHANGED_BEACON_INT) {
 		arvif->beacon_interval = info->beacon_int;
@@ -2679,9 +2675,9 @@ static void ath12k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
 
 	if (changed & BSS_CHANGED_ASSOC) {
 		if (vif->cfg.assoc)
-			ath12k_bss_assoc(hw, vif, info);
+			ath12k_bss_assoc(ar, arvif, info);
 		else
-			ath12k_bss_disassoc(hw, vif);
+			ath12k_bss_disassoc(ar, arvif);
 	}
 
 	if (changed & BSS_CHANGED_TXPOWER) {
@@ -2783,6 +2779,19 @@ static void ath12k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
 
 	if (changed & BSS_CHANGED_EHT_PUNCTURING)
 		arvif->punct_bitmap = info->eht_puncturing;
+}
+
+static void ath12k_mac_op_bss_info_changed(struct ieee80211_hw *hw,
+					   struct ieee80211_vif *vif,
+					   struct ieee80211_bss_conf *info,
+					   u64 changed)
+{
+	struct ath12k *ar = hw->priv;
+	struct ath12k_vif *arvif = ath12k_vif_to_arvif(vif);
+
+	mutex_lock(&ar->conf_mutex);
+
+	ath12k_mac_bss_info_changed(ar, arvif, info, changed);
 
 	mutex_unlock(&ar->conf_mutex);
 }