qcacld-3.0: Get link_vdev with link_id in wlan_hdd_cfg80211_get_channel()

For MLO capable SAP, when channel switch indication happens driver use
the primary vdev.

To support per link channel switch, in case of MLO capable SAP driver
will get link_vdev using link_id in wlan_hdd_cfg80211_get_channel().

Change-Id: I08f618bdd3626efce02a4b88759e45fffd2b85ce
CRs-Fixed: 3290750

core/hdd/src/wlan_hdd_cfg80211.c

@@ -24244,7 +24244,8 @@ bool hdd_is_legacy_connection(struct hdd_adapter *adapter)
 
 static int __wlan_hdd_cfg80211_get_channel(struct wiphy *wiphy,
 					   struct wireless_dev *wdev,
-					   struct cfg80211_chan_def *chandef)
+					   struct cfg80211_chan_def *chandef,
+					   int link_id)
 {
 	struct net_device *dev = wdev->netdev;
 	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
@@ -24252,6 +24253,7 @@ static int __wlan_hdd_cfg80211_get_channel(struct wiphy *wiphy,
 	bool is_legacy_phymode = false;
 	struct wlan_objmgr_vdev *vdev;
 	uint32_t chan_freq;
+	QDF_STATUS status;
 
 	hdd_enter_dev(wdev->netdev);
 
@@ -24299,8 +24301,9 @@ static int __wlan_hdd_cfg80211_get_channel(struct wiphy *wiphy,
 		return -EINVAL;
 	}
 
-	vdev = hdd_objmgr_get_vdev_by_user(adapter, WLAN_OSIF_ID);
-	if (!vdev)
+	vdev = wlan_key_get_link_vdev(adapter, link_id);
+	status = wlan_objmgr_vdev_try_get_ref(vdev, WLAN_OSIF_ID);
+	if (QDF_IS_STATUS_ERROR(status))
 		return -EINVAL;
 
 	chan_freq = vdev->vdev_mlme.des_chan->ch_freq;
@@ -24343,7 +24346,9 @@ static int __wlan_hdd_cfg80211_get_channel(struct wiphy *wiphy,
 
 	wlan_hdd_set_chandef(vdev, chandef);
 
+	wlan_key_put_link_vdev(vdev);
 	hdd_objmgr_put_vdev_by_user(vdev, WLAN_OSIF_ID);
+
 	hdd_debug("primary_freq:%d, ch_width:%d, center_freq1:%d, center_freq2:%d",
 		  chan_freq, chandef->width, chandef->center_freq1,
 		  chandef->center_freq2);
@@ -24363,25 +24368,41 @@ static int wlan_hdd_cfg80211_get_channel(struct wiphy *wiphy,
 					 struct wireless_dev *wdev,
 					 unsigned int link_id,
 					 struct cfg80211_chan_def *chandef)
+{
+	int errno;
+	struct osif_vdev_sync *vdev_sync;
+
+	errno = osif_vdev_sync_op_start(wdev->netdev, &vdev_sync);
+	if (errno)
+		return errno;
+
+	errno = __wlan_hdd_cfg80211_get_channel(wiphy, wdev, chandef, link_id);
+
+	osif_vdev_sync_op_stop(vdev_sync);
+
+	return errno;
+}
 #else
 static int wlan_hdd_cfg80211_get_channel(struct wiphy *wiphy,
 					 struct wireless_dev *wdev,
 					 struct cfg80211_chan_def *chandef)
-#endif
 {
 	int errno;
 	struct osif_vdev_sync *vdev_sync;
+	/* Legacy purposes */
+	int link_id = -1;
 
 	errno = osif_vdev_sync_op_start(wdev->netdev, &vdev_sync);
 	if (errno)
 		return errno;
 
-	errno = __wlan_hdd_cfg80211_get_channel(wiphy, wdev, chandef);
+	errno = __wlan_hdd_cfg80211_get_channel(wiphy, wdev, chandef, link_id);
 
 	osif_vdev_sync_op_stop(vdev_sync);
 
 	return errno;
 }
+#endif
 
 static bool hdd_check_bitmask_for_single_rate(enum nl80211_band band,
 				const struct cfg80211_bitrate_mask *mask)