qcacld-3.0: skip frequency filtering for MLO STA scenario

If MLO STA is present, allow further STA connections to all
available bands/channels irrespective of existing STA
connection band.

Change-Id: Ic7da10b2e74645b73c579b38f43bb7e3105b6f55
CRs-Fixed: 3088656

components/cmn_services/policy_mgr/inc/wlan_policy_mgr_api.h

@@ -4034,6 +4034,14 @@ bool policy_mgr_is_mlo_sap_concurrency_allowed(struct wlan_objmgr_psoc *psoc,
  */
 uint32_t
 policy_mgr_get_conc_ext_flags(struct wlan_objmgr_vdev *vdev, bool force_mlo);
+
+/**
+ * policy_mgr_is_mlo_sta_present() - Check whether MLO STA is present
+ * @psoc: PSOC object information
+ *
+ * Return: True if MLO STA is present, otherwise false.
+ */
+bool policy_mgr_is_mlo_sta_present(struct wlan_objmgr_psoc *psoc);
 #else
 
 static inline bool policy_mgr_is_mlo_sap_concurrency_allowed(
@@ -4048,6 +4056,11 @@ policy_mgr_get_conc_ext_flags(struct wlan_objmgr_vdev *vdev, bool force_mlo)
 {
 	return 0;
 }
+
+static inline bool policy_mgr_is_mlo_sta_present(struct wlan_objmgr_psoc *psoc)
+{
+	return false;
+}
 #endif
 
 /**

components/cmn_services/policy_mgr/src/wlan_policy_mgr_get_set_utils.c

@@ -3651,6 +3651,42 @@ policy_mgr_is_mlo_sap_concurrency_allowed(struct wlan_objmgr_psoc *psoc,
 
 	return ret;
 }
+
+bool policy_mgr_is_mlo_sta_present(struct wlan_objmgr_psoc *psoc)
+{
+	uint32_t conn_index = 0;
+	struct policy_mgr_psoc_priv_obj *pm_ctx;
+	struct wlan_objmgr_vdev *vdev;
+	bool mlo_sta_present = false;
+	uint8_t vdev_id;
+
+	pm_ctx = policy_mgr_get_context(psoc);
+	if (!pm_ctx) {
+		policy_mgr_err("Invalid Context");
+		return false;
+	}
+
+	qdf_mutex_acquire(&pm_ctx->qdf_conc_list_lock);
+	for (conn_index = 0;
+	     conn_index < MAX_NUMBER_OF_CONC_CONNECTIONS && !mlo_sta_present;
+	     conn_index++) {
+		if (pm_conc_connection_list[conn_index].mode != PM_STA_MODE ||
+		    !pm_conc_connection_list[conn_index].in_use)
+			continue;
+
+		vdev_id = pm_conc_connection_list[conn_index].vdev_id;
+		vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, vdev_id,
+							    WLAN_POLICY_MGR_ID);
+		if (!vdev)
+			continue;
+
+		mlo_sta_present = wlan_vdev_mlme_is_mlo_vdev(vdev);
+		wlan_objmgr_vdev_release_ref(vdev, WLAN_POLICY_MGR_ID);
+	}
+
+	qdf_mutex_release(&pm_ctx->qdf_conc_list_lock);
+	return mlo_sta_present;
+}
 #else
 static bool
 policy_mgr_allow_sta_concurrency(struct wlan_objmgr_psoc *psoc,

components/umac/mlme/connection_mgr/dispatcher/src/wlan_cm_roam_api.c

@@ -496,6 +496,13 @@ wlan_cm_dual_sta_is_freq_allowed(struct wlan_objmgr_psoc *psoc,
 	    opmode != QDF_STA_MODE)
 		return true;
 
+	/*
+	 * For MLO STA scenario, allow further STA connections to all available
+	 * bands/channels irrespective of existing STA connection band.
+	 */
+	if (policy_mgr_is_mlo_sta_present(psoc))
+		return true;
+
 	connected_sta_freq = op_ch_freq_list[0];
 	band = wlan_reg_freq_to_band(connected_sta_freq);
 	if ((band == REG_BAND_2G && WLAN_REG_IS_24GHZ_CH_FREQ(freq)) ||