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qcacld-3.0: Send invalid RSSI absolute threshold value

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RSSI absolute threshold value sent to firmware in the
default case is 0 even when hw db2dbm capability is
enabled which can break firmware roaming.

Fix is to send min rssi value of -128dbm when hw db2dbm
service capability is enabled.

Change-Id: I0a595e9f4af170411a0813a3390ddbb57d26bce1
CRs-Fixed: 2376606
This commit is contained in:
Yeshwanth Sriram Guntuka 2018-12-28 15:39:16 +05:30 • committed by nshrivas
commit adfeaded2e
1 changed files with 12 additions and 4 deletions
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16
core/wma/src/wma_scan_roam.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2018 The Linux Foundation. All rights reserved.
* Copyright (c) 2013-2019 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@ -1185,13 +1185,21 @@ static QDF_STATUS wma_roam_scan_offload_ap_profile(tp_wma_handle wma_handle,
tSirRoamOffloadScanReq *roam_req)
{
struct ap_profile_params ap_profile;
bool db2dbm_enabled;
ap_profile.vdev_id = roam_req->sessionId;
wma_roam_scan_fill_ap_profile(roam_req, &ap_profile.profile);
if (!wmi_service_enabled(wma_handle->wmi_handle,
wmi_service_hw_db2dbm_support))
ap_profile.profile.rssi_abs_thresh -=
db2dbm_enabled = wmi_service_enabled(wma_handle->wmi_handle,
wmi_service_hw_db2dbm_support);
if (!ap_profile.profile.rssi_abs_thresh) {
if (db2dbm_enabled)
ap_profile.profile.rssi_abs_thresh = WMA_RSSI_MIN_VALUE;
} else {
if (!db2dbm_enabled)
ap_profile.profile.rssi_abs_thresh -=
WMA_NOISE_FLOOR_DBM_DEFAULT;
}
ap_profile.param = roam_req->score_params;
return wmi_unified_send_roam_scan_offload_ap_cmd(wma_handle->wmi_handle,
&ap_profile);