qcacmn: Add support for adaptive dwell scan time

Dwell time can be modify based on channel congestion per scan
request.
Add changes to enable firmware to use scan control flag and select
dwell time optimization algorithm based on ini values.

Change-Id: Iea3de57c1b7d087442e4b8984b4184d24bb8c930
CRs-Fixed: 994443

wmi_unified_api.c

@@ -6016,6 +6016,26 @@ QDF_STATUS wmi_extract_vdev_extd_stats(void *wmi_hdl, void *evt_buf,
 	if (wmi_handle->ops->extract_vdev_extd_stats)
 		return wmi_handle->ops->extract_vdev_extd_stats(wmi_handle,
 				evt_buf, index, vdev_extd_stats);
+	return QDF_STATUS_E_FAILURE;
+}
+
+/**
+ * wmi_unified_send_adapt_dwelltime_params_cmd() - send wmi cmd of
+ * adaptive dwelltime configuration params
+ * @wma_handle:  wma handler
+ * @dwelltime_params: pointer to dwelltime_params
+ *
+ * Return: QDF_STATUS_SUCCESS on success and QDF failure reason code for failure
+ */
+QDF_STATUS wmi_unified_send_adapt_dwelltime_params_cmd(void *wmi_hdl,
+			struct wmi_adaptive_dwelltime_params *dwelltime_params)
+{
+	wmi_unified_t wmi_handle = (wmi_unified_t) wmi_hdl;
+
+	if (wmi_handle->ops->send_adapt_dwelltime_params_cmd)
+		return wmi_handle->ops->
+			send_adapt_dwelltime_params_cmd(wmi_handle,
+				  dwelltime_params);
 
 	return QDF_STATUS_E_FAILURE;
 }

wmi_unified_tlv.c

@@ -4231,6 +4231,69 @@ QDF_STATUS send_roam_scan_offload_rssi_thresh_cmd_tlv(wmi_unified_t wmi_handle,
 	return status;
 }
 
+/**
+ * send_adapt_dwelltime_params_cmd_tlv() - send wmi cmd of adaptive dwelltime
+ * configuration params
+ * @wma_handle:  wma handler
+ * @dwelltime_params: pointer to dwelltime_params
+ *
+ * Return: QDF_STATUS_SUCCESS on success and QDF failure reason code for failure
+ */
+QDF_STATUS send_adapt_dwelltime_params_cmd_tlv(wmi_unified_t wmi_handle,
+		struct wmi_adaptive_dwelltime_params *dwelltime_params)
+{
+	wmi_scan_adaptive_dwell_config_fixed_param *dwell_param;
+	wmi_scan_adaptive_dwell_parameters_tlv *cmd;
+	wmi_buf_t buf;
+	uint8_t *buf_ptr;
+	int32_t err;
+	int len;
+
+	len = sizeof(wmi_scan_adaptive_dwell_config_fixed_param);
+	len += WMI_TLV_HDR_SIZE; /* TLV for ext_thresholds*/
+	len += sizeof(wmi_scan_adaptive_dwell_parameters_tlv);
+	buf = wmi_buf_alloc(wmi_handle, len);
+	if (!buf) {
+		WMI_LOGE("%s :Failed to allocate buffer to send cmd",
+				__func__);
+		return QDF_STATUS_E_NOMEM;
+	}
+	buf_ptr = (uint8_t *) wmi_buf_data(buf);
+	dwell_param = (wmi_scan_adaptive_dwell_config_fixed_param *) buf_ptr;
+	WMITLV_SET_HDR(&dwell_param->tlv_header,
+		WMITLV_TAG_STRUC_wmi_scan_adaptive_dwell_config_fixed_param,
+		WMITLV_GET_STRUCT_TLVLEN
+		(wmi_scan_adaptive_dwell_config_fixed_param));
+
+	dwell_param->enable = dwelltime_params->is_enabled;
+	buf_ptr += sizeof(wmi_scan_adaptive_dwell_config_fixed_param);
+	WMITLV_SET_HDR(buf_ptr,
+			WMITLV_TAG_ARRAY_STRUC,
+			sizeof(wmi_scan_adaptive_dwell_parameters_tlv));
+	buf_ptr += WMI_TLV_HDR_SIZE;
+
+	cmd = (wmi_scan_adaptive_dwell_parameters_tlv *) buf_ptr;
+	WMITLV_SET_HDR(&cmd->tlv_header,
+			WMITLV_TAG_STRUC_wmi_scan_adaptive_dwell_parameters_tlv,
+			WMITLV_GET_STRUCT_TLVLEN(
+				wmi_scan_adaptive_dwell_parameters_tlv));
+
+	cmd->default_adaptive_dwell_mode = dwelltime_params->dwelltime_mode;
+	cmd->adapative_lpf_weight = dwelltime_params->lpf_weight;
+	cmd->passive_monitor_interval_ms = dwelltime_params->passive_mon_intval;
+	cmd->wifi_activity_threshold_pct = dwelltime_params->wifi_act_threshold;
+	err = wmi_unified_cmd_send(wmi_handle, buf,
+			len, WMI_SCAN_ADAPTIVE_DWELL_CONFIG_CMDID);
+	if (err) {
+		WMI_LOGE("Failed to send adapt dwelltime cmd err=%d", err);
+		wmi_buf_free(buf);
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	return QDF_STATUS_SUCCESS;
+}
+
+
 /**
  * send_roam_scan_filter_cmd_tlv() - Filter to be applied while roaming
  * @wmi_handle:     wmi handle
@@ -4979,6 +5042,8 @@ QDF_STATUS wmi_get_buf_extscan_start_cmd(wmi_unified_t wmi_handle,
 			       WMI_SCAN_ADD_OFDM_RATES |
 			       WMI_SCAN_ADD_SPOOFED_MAC_IN_PROBE_REQ |
 			       WMI_SCAN_ADD_DS_IE_IN_PROBE_REQ;
+	WMI_SCAN_SET_DWELL_MODE(cmd->scan_ctrl_flags,
+			pstart->extscan_adaptive_dwell_mode);
 	cmd->scan_priority = WMI_SCAN_PRIORITY_HIGH;
 	cmd->num_ssids = 0;
 	cmd->num_bssid = 0;
@@ -5425,6 +5490,8 @@ QDF_STATUS send_pno_start_cmd_tlv(wmi_unified_t wmi_handle,
 	cmd->vdev_id = pno->sessionId;
 	cmd->flags = WMI_NLO_CONFIG_START | WMI_NLO_CONFIG_SSID_HIDE_EN;
 
+	WMI_SCAN_SET_DWELL_MODE(cmd->flags,
+			pno->pnoscan_adaptive_dwell_mode);
 	/* Current FW does not support min-max range for dwell time */
 	cmd->active_dwell_time = pno->active_max_time;
 	cmd->passive_dwell_time = pno->passive_max_time;
@@ -11673,6 +11740,8 @@ struct wmi_ops tlv_ops =  {
 		 send_roam_scan_offload_rssi_change_cmd_tlv,
 	.send_get_buf_extscan_hotlist_cmd =
 		 send_get_buf_extscan_hotlist_cmd_tlv,
+	.send_adapt_dwelltime_params_cmd =
+		send_adapt_dwelltime_params_cmd_tlv,
 	.init_cmd_send = init_cmd_send_tlv,
 	.get_target_cap_from_service_ready = extract_service_ready_tlv,
 	.extract_hal_reg_cap = extract_hal_reg_cap_tlv,