qcacmn: Add APIs to configure and switch to postNOL channel

Introduce APIs to perform postNOL channel switch to user
configured channel after the NOL expiry of said channel.

This channel change will involve regular CAC after vdev start.

Change-Id: I426b0c4b51c84789870841dd4c3af942be185f20

umac/dfs/dispatcher/inc/wlan_dfs_ucfg_api.h

@@ -67,6 +67,8 @@
  * @mlme_dfs_deliver_event:            Deliver DFS events to user space
  * @mlme_precac_chan_change_csa_for_freq:Channel change triggered by PrCAC using
  *                                     Channel Switch Announcement.
+ * @mlme_postnol_chan_switch:          Channel change post NOL using Channel
+ *                                     Switch Announcement.
  * @mlme_mark_dfs_for_freq:            Mark DFS channel frequency as radar.
  * @mlme_get_extchan_for_freq:         Get the extension channel.
  * @mlme_find_dot11_chan_for_freq:     Find a channel pointer.
@@ -211,6 +213,13 @@ struct dfs_to_mlme {
 					       uint8_t des_chan,
 					       enum wlan_phymode des_mode);
 #endif
+#endif
+#ifdef QCA_SUPPORT_DFS_CHAN_POSTNOL
+	QDF_STATUS
+	(*mlme_postnol_chan_switch)(struct wlan_objmgr_pdev *pdev,
+				    qdf_freq_t des_chan_freq,
+				    qdf_freq_t des_cfreq2,
+				    enum wlan_phymode des_mode);
 #endif
 	QDF_STATUS (*mlme_nol_timeout_notification)(
 			struct wlan_objmgr_pdev *pdev);
@@ -652,6 +661,109 @@ ucfg_dfs_set_rcac_freq(struct wlan_objmgr_pdev *pdev,
 }
 #endif
 
+#ifdef QCA_SUPPORT_DFS_CHAN_POSTNOL
+/**
+ * ucfg_dfs_set_postnol_freq() - Set PostNOL freq.
+ * @pdev: Pointer to DFS pdev object.
+ * @postnol_freq: User configured freq to switch to, post NOL, in MHZ.
+ *
+ */
+QDF_STATUS ucfg_dfs_set_postnol_freq(struct wlan_objmgr_pdev *pdev,
+				     qdf_freq_t postnol_freq);
+
+/**
+ * ucfg_dfs_set_postnol_mode() - Set PostNOL mode.
+ * @pdev: Pointer to DFS pdev object.
+ * @postnol_mode: User configured mode to switch to, post NOL, in MHZ.
+ *
+ */
+QDF_STATUS ucfg_dfs_set_postnol_mode(struct wlan_objmgr_pdev *pdev,
+				     uint8_t postnol_mode);
+
+/**
+ * ucfg_dfs_set_postnol_cfreq2() - Set PostNOL secondary center frequency.
+ * @pdev: Pointer to DFS pdev object.
+ * @postnol_freq: User configured secondary center frequency to switch to,
+ * post NOL, in MHZ.
+ *
+ */
+QDF_STATUS ucfg_dfs_set_postnol_cfreq2(struct wlan_objmgr_pdev *pdev,
+				       qdf_freq_t postnol_cfreq2);
+
+/**
+ * ucfg_dfs_get_postnol_freq() - Get PostNOL freq.
+ * @pdev: Pointer to DFS pdev object.
+ * @postnol_freq: Pointer to user configured freq to switch to, post NOL.
+ *
+ */
+QDF_STATUS ucfg_dfs_get_postnol_freq(struct wlan_objmgr_pdev *pdev,
+				     qdf_freq_t *postnol_freq);
+
+/**
+ * ucfg_dfs_get_postnol_mode() - Set PostNOL mode.
+ * @pdev: Pointer to DFS pdev object.
+ * @postnol_mode: Pointer to user configured mode to switch to, post NOL.
+ *
+ */
+QDF_STATUS ucfg_dfs_get_postnol_mode(struct wlan_objmgr_pdev *pdev,
+				     uint8_t *postnol_mode);
+
+/**
+ * ucfg_dfs_get_postnol_cfreq2() - Set PostNOL secondary center frequency.
+ * @pdev: Pointer to DFS pdev object.
+ * @postnol_freq: Pointer to user configured secondary center frequency to
+ * switch to post NOL.
+ *
+ */
+QDF_STATUS ucfg_dfs_get_postnol_cfreq2(struct wlan_objmgr_pdev *pdev,
+				       qdf_freq_t *postnol_cfreq2);
+#else
+static inline QDF_STATUS
+ucfg_dfs_set_postnol_freq(struct wlan_objmgr_pdev *pdev,
+			  qdf_freq_t postnol_freq)
+{
+	return QDF_STATUS_SUCCESS;
+}
+
+static inline QDF_STATUS
+ucfg_dfs_set_postnol_mode(struct wlan_objmgr_pdev *pdev,
+			  uint8_t postnol_mode)
+{
+	return QDF_STATUS_SUCCESS;
+}
+
+static inline QDF_STATUS
+ucfg_dfs_set_postnol_cfreq2(struct wlan_objmgr_pdev *pdev,
+			    qdf_freq_t postnol_cfreq2)
+{
+	return QDF_STATUS_SUCCESS;
+}
+
+static inline QDF_STATUS
+ucfg_dfs_get_postnol_freq(struct wlan_objmgr_pdev *pdev,
+			  qdf_freq_t *postnol_freq)
+{
+	*postnol_freq = 0;
+	return QDF_STATUS_SUCCESS;
+}
+
+static inline QDF_STATUS
+ucfg_dfs_get_postnol_mode(struct wlan_objmgr_pdev *pdev,
+			  uint8_t *postnol_mode)
+{
+	*postnol_mode = CH_WIDTH_INVALID;
+	return QDF_STATUS_SUCCESS;
+}
+
+static inline QDF_STATUS
+ucfg_dfs_get_postnol_cfreq2(struct wlan_objmgr_pdev *pdev,
+			    qdf_freq_t *postnol_cfreq2)
+{
+	*postnol_cfreq2 = 0;
+	return QDF_STATUS_SUCCESS;
+}
+#endif
+
 /**
  * ucfg_dfs_get_rcac_freq() - Get rcac freq.
  * @pdev: Pointer to DFS pdev object.