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qcacmn: Compute average rssi

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Compute average rssi from last packet rssi

CRs-Fixed: 2419240
Change-Id: I20851e3804412808393121ce882245ee8f110d5d
This commit is contained in:
Amir Patel
2019-03-28 16:16:01 +05:30
committed by nshrivas
parent 3ee6100b41
commit bb69cfaeda
2 changed files with 14 additions and 0 deletions
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9
dp/wifi3.0/dp_internal.h
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@@ -23,6 +23,15 @@
#define RX_BUFFER_SIZE_PKTLOG_LITE 1024 #define RX_BUFFER_SIZE_PKTLOG_LITE 1024
#define DP_RSSI_AVG_WEIGHT 2
/*
* Formula to derive avg_rssi is taken from wifi2.o firmware
*/
#define DP_GET_AVG_RSSI(avg_rssi, last_rssi) \
(((avg_rssi) - (((uint8_t)(avg_rssi)) >> DP_RSSI_AVG_WEIGHT)) \
+ ((((uint8_t)(last_rssi)) >> DP_RSSI_AVG_WEIGHT)))
/* Macro For NYSM value received in VHT TLV */ /* Macro For NYSM value received in VHT TLV */
#define VHT_SGI_NYSM 3 #define VHT_SGI_NYSM 3

5
dp/wifi3.0/dp_rx_mon_status.c
View File

@@ -199,6 +199,11 @@ static void dp_rx_stats_update(struct dp_pdev *pdev, struct dp_peer *peer,
return; return;
DP_STATS_UPD(peer, rx.rssi, ppdu->rssi); DP_STATS_UPD(peer, rx.rssi, ppdu->rssi);
if (!peer->stats.rx.avg_rssi)
peer->stats.rx.avg_rssi = ppdu->rssi;
else
peer->stats.rx.avg_rssi =
DP_GET_AVG_RSSI(peer->stats.rx.avg_rssi, ppdu->rssi);
if ((preamble == DOT11_A) || (preamble == DOT11_B)) if ((preamble == DOT11_A) || (preamble == DOT11_B))
ppdu->u.nss = 1; ppdu->u.nss = 1;