qcacmn: Enhance QCA vendor interface to indicate TWT required capability of AP

Add QCA_WLAN_TWT_NOTIFY command type to send event to userspace when AP
changes TWT required bit field in its capabilities.

Change-Id: I6333213f4e8ca4fe9ca637db287759fd6c6622f4
CRs-Fixed: 3143525

os_if/linux/qca_vendor.h

@@ -8969,6 +8969,11 @@ enum qca_wlan_vendor_attr_wifi_test_config {
  * @QCA_WLAN_TWT_SET_PARAM: Configure TWT related parameters. Required
  * parameters are obtained through QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_PARAMS. Refer
  * the enum qca_wlan_vendor_attr_twt_set_param.
+ *
+ * @QCA_WLAN_TWT_NOTIFY: Used to notify userspace about changes in TWT
+ * related information for example TWT required bit in AP capabilities etc.
+ * The reason for the notification is sent using
+ * QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_NOTIFY_STATUS.
  */
 enum qca_wlan_twt_operation {
 	QCA_WLAN_TWT_SET = 0,
@@ -8982,6 +8987,7 @@ enum qca_wlan_twt_operation {
 	QCA_WLAN_TWT_GET_CAPABILITIES = 8,
 	QCA_WLAN_TWT_SETUP_READY_NOTIFY = 9,
 	QCA_WLAN_TWT_SET_PARAM = 10,
+	QCA_WLAN_TWT_NOTIFY = 11,
 };
 
 /* enum qca_wlan_vendor_attr_config_twt: Defines attributes used by
@@ -8998,11 +9004,17 @@ enum qca_wlan_twt_operation {
  * enum qca_wlan_vendor_attr_twt_setup, enum qca_wlan_vendor_attr_twt_resume,
  * enum qca_wlan_vendor_attr_twt_set_param or
  * enum qca_wlan_vendor_attr_twt_stats based on the operation.
+ *
+ * @QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_NOTIFY_STATUS: Size is u8, mandatory when
+ * QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_OPERATION is set to QCA_WLAN_TWT_NOTIFY.
+ * The values used by this attribute are defined in
+ * enum qca_wlan_vendor_twt_status.
  */
 enum qca_wlan_vendor_attr_config_twt {
 	QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_INVALID = 0,
 	QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_OPERATION = 1,
 	QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_PARAMS = 2,
+	QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_NOTIFY_STATUS = 3,
 
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_AFTER_LAST,
@@ -9331,6 +9343,10 @@ enum qca_wlan_vendor_attr_twt_setup {
  * QCA_WLAN_VENDOR_TWT_STATUS_POWER_SAVE_EXIT_TERMINATE: The driver requested to
  * terminate an existing TWT session on power save exit request from userspace.
  * Used on the TWT_TERMINATE notification from the driver/firmware.
+ * @QCA_WLAN_VENDOR_TWT_STATUS_TWT_REQUIRED: The peer has set the TWT
+ * required bit in its capabilities.
+ * @QCA_WLAN_VENDOR_TWT_STATUS_TWT_NOT_REQUIRED: The peer has cleared
+ * the TWT required bit(1->0) in its capabilities.
  */
 enum qca_wlan_vendor_twt_status {
 	QCA_WLAN_VENDOR_TWT_STATUS_OK = 0,
@@ -9356,6 +9372,8 @@ enum qca_wlan_vendor_twt_status {
 	QCA_WLAN_VENDOR_TWT_STATUS_CHANNEL_SWITCH_IN_PROGRESS = 20,
 	QCA_WLAN_VENDOR_TWT_STATUS_SCAN_IN_PROGRESS = 21,
 	QCA_WLAN_VENDOR_TWT_STATUS_POWER_SAVE_EXIT_TERMINATE = 22,
+	QCA_WLAN_VENDOR_TWT_STATUS_TWT_REQUIRED = 23,
+	QCA_WLAN_VENDOR_TWT_STATUS_TWT_NOT_REQUIRED = 24,
 };
 
 /**