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Commit 42eff2c4 authored by Abhinav Kumar's avatar Abhinav Kumar Committed by snandini
Browse files

qcacmn: Discard 5G candidates based on RSSI threshold 

To discard 5G candidates based on RSSI threshold, Introduce
a new INI "min_rssi_for_2g_to_5g_roam" to configure the RSSI
for High RSSI Trigger.
Min: -120
Max: 0
Default: -70

Change-Id: I03c4707fc9fe60c3a8e3ec5ee00eca230a8c9f0b
CRs-Fixed: 2809308
parent a6ccfb86

wmi/inc/wmi_unified_roam_param.h

+4 −1
Original line number Diff line number Diff line
@@ -443,8 +443,11 @@ struct scoring_param { 
#define IDLE_ROAM_TRIGGER 0

#define BTM_ROAM_TRIGGER  1



#define NUM_OF_ROAM_MIN_RSSI 3



#define DEAUTH_MIN_RSSI 0

#define BMISS_MIN_RSSI  1

#define MIN_RSSI_2G_TO_5G_ROAM 2



/**

 * enum roam_trigger_reason - Reason for triggering roam
@@ -531,7 +534,7 @@ struct ap_profile_params { 
	uint8_t vdev_id;

	struct ap_profile profile;

	struct scoring_param param;

	struct roam_trigger_min_rssi min_rssi_params[NUM_OF_ROAM_TRIGGERS];

	struct roam_trigger_min_rssi min_rssi_params[NUM_OF_ROAM_MIN_RSSI];

	struct roam_trigger_score_delta score_delta_param[NUM_OF_ROAM_TRIGGERS];

};

wmi/src/wmi_unified_roam_tlv.c

+14 −2
Original line number Diff line number Diff line
@@ -1562,7 +1562,7 @@ send_roam_scan_offload_ap_profile_cmd_tlv(wmi_unified_t wmi_handle, 
	len += WMI_TLV_HDR_SIZE;

	len += NUM_OF_ROAM_TRIGGERS * sizeof(*score_delta_param);

	len += WMI_TLV_HDR_SIZE;

	len += NUM_OF_ROAM_TRIGGERS * sizeof(*min_rssi_param);

	len += NUM_OF_ROAM_MIN_RSSI * sizeof(*min_rssi_param);

	buf = wmi_buf_alloc(wmi_handle, len);

	if (!buf) {

		return QDF_STATUS_E_NOMEM;
@@ -1755,7 +1755,7 @@ send_roam_scan_offload_ap_profile_cmd_tlv(wmi_unified_t wmi_handle, 


	buf_ptr += sizeof(*score_delta_param);

	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,

		       (NUM_OF_ROAM_TRIGGERS * sizeof(*min_rssi_param)));

		       (NUM_OF_ROAM_MIN_RSSI * sizeof(*min_rssi_param)));

	buf_ptr += WMI_TLV_HDR_SIZE;



	min_rssi_param = (wmi_roam_cnd_min_rssi_param *)buf_ptr;
@@ -1781,6 +1781,18 @@ send_roam_scan_offload_ap_profile_cmd_tlv(wmi_unified_t wmi_handle, 
	min_rssi_param->candidate_min_rssi =

		ap_profile->min_rssi_params[BMISS_MIN_RSSI].min_rssi;



	buf_ptr += sizeof(*min_rssi_param);

	min_rssi_param = (wmi_roam_cnd_min_rssi_param *)buf_ptr;

	WMITLV_SET_HDR(&min_rssi_param->tlv_header,

		       WMITLV_TAG_STRUC_wmi_roam_cnd_min_rssi_param,

		       WMITLV_GET_STRUCT_TLVLEN(wmi_roam_cnd_min_rssi_param));

	trig_reason =

		ap_profile->min_rssi_params[MIN_RSSI_2G_TO_5G_ROAM].trigger_reason;

	min_rssi_param->roam_trigger_reason =

		convert_roam_trigger_reason(trig_reason);

	min_rssi_param->candidate_min_rssi =

		ap_profile->min_rssi_params[MIN_RSSI_2G_TO_5G_ROAM].min_rssi;



	wmi_mtrace(WMI_ROAM_AP_PROFILE, NO_SESSION, 0);

	status = wmi_unified_cmd_send(wmi_handle, buf,

				      len, WMI_ROAM_AP_PROFILE);