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Commit 3c624135 authored by Jianmin Zhu's avatar Jianmin Zhu Committed by snandini
Browse files

qcacmn: Add 3 ini for data rssi check when roaming 

3 ini:
roam_data_rssi_threshold_triggers
roam_data_rssi_threshold
rx_data_inactivity_time
If there's rx activity during latest rx_data_inactivity_time
and avg of data_rssi is better than roam_data_rssi_threshold, then
suppress roaming triggered by roam_data_rssi_threshold_triggers: low
RSSI or bg scan.

Change-Id: I1b5f29aacde1e8e53d92c197b2cd2ecaa9879853
CRs-Fixed: 2768055
parent 0ac48f80

wmi/inc/wmi_unified_roam_param.h

+7 −0
Original line number Diff line number Diff line
@@ -95,6 +95,10 @@ struct rssi_monitor_param { 
 * @roam_bad_rssi_thresh_offset_2g: Offset from Bad RSSI threshold for 2G

 *                                  to 5G Roam

 * @bg_scan_client_bitmap: Bitmap used to identify the client scans to snoop

 * @roam_data_rssi_threshold_triggers: triggers of bad data RSSI threshold to

 *                                  roam

 * @roam_data_rssi_threshold: Bad data RSSI threshold to roam

 * @rx_data_inactivity_time: Rx duration to check data RSSI

 * @flags: Flags for Background Roaming

 *	Bit 0 : BG roaming enabled when we connect to 2G AP only and roaming

 *	        to 5G AP only.
@@ -125,6 +129,9 @@ struct roam_offload_scan_rssi_params { 
	int8_t bg_scan_bad_rssi_thresh;

	uint8_t roam_bad_rssi_thresh_offset_2g;

	uint32_t bg_scan_client_bitmap;

	uint32_t roam_data_rssi_threshold_triggers;

	int32_t roam_data_rssi_threshold;

	uint32_t rx_data_inactivity_time;

	uint32_t flags;

};

wmi/src/wmi_unified_roam_tlv.c

+23 −0
Original line number Diff line number Diff line
@@ -180,6 +180,7 @@ static QDF_STATUS send_roam_scan_offload_rssi_thresh_cmd_tlv(wmi_unified_t wmi_h 
	wmi_roam_earlystop_rssi_thres_param *early_stop_thresholds = NULL;

	wmi_roam_dense_thres_param *dense_thresholds = NULL;

	wmi_roam_bg_scan_roaming_param *bg_scan_params = NULL;

	wmi_roam_data_rssi_roaming_param *data_rssi_param = NULL;



	len = sizeof(wmi_roam_scan_rssi_threshold_fixed_param);

	len += WMI_TLV_HDR_SIZE; /* TLV for ext_thresholds*/
@@ -190,6 +191,8 @@ static QDF_STATUS send_roam_scan_offload_rssi_thresh_cmd_tlv(wmi_unified_t wmi_h 
	len += sizeof(wmi_roam_dense_thres_param);

	len += WMI_TLV_HDR_SIZE; /* TLV for BG Scan*/

	len += sizeof(wmi_roam_bg_scan_roaming_param);

	len += WMI_TLV_HDR_SIZE; /* TLV for data RSSI*/

	len += sizeof(wmi_roam_data_rssi_roaming_param);

	buf = wmi_buf_alloc(wmi_handle, len);

	if (!buf) {

		return QDF_STATUS_E_NOMEM;
@@ -287,6 +290,26 @@ static QDF_STATUS send_roam_scan_offload_rssi_thresh_cmd_tlv(wmi_unified_t wmi_h 
		       WMITLV_GET_STRUCT_TLVLEN

		       (wmi_roam_bg_scan_roaming_param));



	buf_ptr += sizeof(wmi_roam_bg_scan_roaming_param);

	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,

		       sizeof(wmi_roam_data_rssi_roaming_param));

	buf_ptr += WMI_TLV_HDR_SIZE;

	data_rssi_param = (wmi_roam_data_rssi_roaming_param *)buf_ptr;

	data_rssi_param->flags =

		roam_req->roam_data_rssi_threshold_triggers;

	data_rssi_param->roam_data_rssi_thres =

		roam_req->roam_data_rssi_threshold;

	data_rssi_param->rx_inactivity_ms =

			roam_req->rx_data_inactivity_time;

	WMITLV_SET_HDR(&data_rssi_param->tlv_header,

		       WMITLV_TAG_STRUC_wmi_roam_data_rssi_roaming_param,

		       WMITLV_GET_STRUCT_TLVLEN

		       (wmi_roam_data_rssi_roaming_param));

	WMI_LOGD("Data rssi threshold: %d, triggers: 0x%x, rx time: %d",

		 data_rssi_param->roam_data_rssi_thres,

		 data_rssi_param->flags,

		 data_rssi_param->rx_inactivity_ms);



	wmi_mtrace(WMI_ROAM_SCAN_RSSI_THRESHOLD, NO_SESSION, 0);

	status = wmi_unified_cmd_send(wmi_handle, buf,

				      len, WMI_ROAM_SCAN_RSSI_THRESHOLD);