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qcacmn: Optimize congestion calculation logic

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In current code logic, in case of channel utilization value is 0, the
congestion value treated as “not present” and give it a medium score.
This will cause a very clean channel get a medium score.
To fix the issue, need calculated congestion score from 1-100 and
not 0-100.

Change-Id: Iff030cf4a682d6e585d6f812a522cb8b6683cc44
CRs-Fixed: 2812978
This commit is contained in:
gaolez 2021-02-02 10:28:04 +08:00 • committed by snandini
commit b07b656387
1 changed files with 4 additions and 2 deletions
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6
umac/mlme/connection_mgr/core/src/wlan_cm_bss_scoring.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2017-2021, 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 above
@ -415,7 +415,9 @@ static int32_t cm_get_congestion_pct(struct scan_cache_entry *entry)
*/
congestion = CM_MAX_CHANNEL_UTILIZATION -
est_air_time_percentage;
} else if (entry->qbss_chan_load) {
if (!congestion)
congestion = 1;
} else if (util_scan_entry_qbssload(entry)) {
ap_load = (entry->qbss_chan_load * CM_MAX_PCT_SCORE);
/*
* Calculate ap_load in % from qbss channel load from