qcacld-3.0: Use link_id stored in vdev in case of MLO

Currently, host hardcodes link_id value to 0 and sends to user space
hence getting multiple call traces as the 0th bit of valid links
is not set.

To address this issue send link_id extracted from beacon data to
user space.

Change-Id: I522518eed418b502e2a806ef18743290e465e827
CRs-Fixed: 3338480

core/hdd/src/wlan_hdd_hostapd.c

@@ -945,6 +945,8 @@ QDF_STATUS hdd_chan_change_notify(struct hdd_adapter *adapter,
 	enum nl80211_channel_type channel_type;
 	uint32_t freq;
 	mac_handle_t mac_handle = adapter->hdd_ctx->mac_handle;
+	struct wlan_objmgr_vdev *vdev;
+	uint16_t link_id = 0;
 
 	if (!mac_handle) {
 		hdd_err("mac_handle is NULL");
@@ -1015,10 +1017,20 @@ QDF_STATUS hdd_chan_change_notify(struct hdd_adapter *adapter,
 				chan_change.chan_params.mhz_freq_seg0;
 	}
 
+	vdev = hdd_objmgr_get_vdev_by_user(adapter, WLAN_OSIF_ID);
+	if (!vdev)
+		return -EINVAL;
+
+	if (wlan_vdev_mlme_is_mlo_vdev(vdev))
+		link_id = wlan_vdev_get_link_id(vdev);
+
+	hdd_debug("link_id is %d", link_id);
+
+	hdd_objmgr_put_vdev_by_user(vdev, WLAN_OSIF_ID);
 	hdd_debug("notify: chan:%d width:%d freq1:%d freq2:%d",
 		  chandef.chan->center_freq, chandef.width,
 		  chandef.center_freq1, chandef.center_freq2);
-	wlan_cfg80211_ch_switch_notify(dev, &chandef, 0);
+	wlan_cfg80211_ch_switch_notify(dev, &chandef, link_id);
 
 	return QDF_STATUS_SUCCESS;
 }
@@ -7544,6 +7556,8 @@ static int __wlan_hdd_cfg80211_start_ap(struct wiphy *wiphy,
 	enum QDF_OPMODE vdev_opmode;
 	uint8_t vdev_id_list[MAX_NUMBER_OF_CONC_CONNECTIONS], i;
 	enum policy_mgr_con_mode intf_pm_mode;
+	struct wlan_objmgr_vdev *vdev;
+	uint16_t link_id = 0;
 
 	hdd_enter();
 
@@ -7844,10 +7858,18 @@ static int __wlan_hdd_cfg80211_start_ap(struct wiphy *wiphy,
 			hdd_err("Error Start bss Failed");
 			goto err_start_bss;
 		}
+		vdev = hdd_objmgr_get_vdev_by_user(adapter, WLAN_OSIF_ID);
+		if (!vdev)
+			return -EINVAL;
+
+		if (wlan_vdev_mlme_is_mlo_vdev(vdev))
+			link_id = wlan_vdev_get_link_id(vdev);
+
+		hdd_objmgr_put_vdev_by_user(vdev, WLAN_OSIF_ID);
 
-		if (wlan_util_get_centre_freq(wdev, 0) !=
+		if (wlan_util_get_centre_freq(wdev, link_id) !=
 				params->chandef.chan->center_freq)
-			params->chandef = wlan_util_get_chan_def(wdev, 0);
+			params->chandef = wlan_util_get_chan_def(wdev, link_id);
 		/*
 		 * If Do_Not_Break_Stream enabled send avoid channel list
 		 * to application.