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ath11k: support avg signal in station dump

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Currently mac80211 doesn't calculate average signal when RSS(Receive side
scaling) is enabled from the driver, so average signal isn't printed in
the station dump. To address this issue, calculate the average signal
from RSSI within driver and display in the station dump.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-01208-QCAHKSWPL_SILICONZ-1

Signed-off-by: Thiraviyam Mariyappan <quic_tmariyap@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1652965061-30457-1-git-send-email-quic_tmariyap@quicinc.com
This commit is contained in:
Thiraviyam Mariyappan 2022-05-19 18:27:41 +05:30 committed by Kalle Valo
parent 3bd0c69653
commit b205ce4c26
3 changed files with 12 additions and 0 deletions
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4
drivers/net/wireless/ath/ath11k/core.h
View File

@ -14,6 +14,7 @@
#include <linux/dmi.h>
#include <linux/ctype.h>
#include <linux/rhashtable.h>
#include <linux/average.h>
#include "qmi.h"
#include "htc.h"
#include "wmi.h"
@ -464,6 +465,8 @@ struct ath11k_per_ppdu_tx_stats {
u32 retry_bytes;
};
DECLARE_EWMA(avg_rssi, 10, 8)
struct ath11k_sta {
struct ath11k_vif *arvif;
@ -482,6 +485,7 @@ struct ath11k_sta {
u64 rx_duration;
u64 tx_duration;
u8 rssi_comb;
struct ewma_avg_rssi avg_rssi;
s8 rssi_beacon;
s8 chain_signal[IEEE80211_MAX_CHAINS];
struct ath11k_htt_tx_stats *tx_stats;

3
drivers/net/wireless/ath/ath11k/dp_rx.c
View File

@ -2765,6 +2765,9 @@ static void ath11k_dp_rx_update_peer_stats(struct ath11k_sta *arsta,
if (!rx_stats)
return;
arsta->rssi_comb = ppdu_info->rssi_comb;
ewma_avg_rssi_add(&arsta->avg_rssi, ppdu_info->rssi_comb);
num_msdu = ppdu_info->tcp_msdu_count + ppdu_info->tcp_ack_msdu_count +
ppdu_info->udp_msdu_count + ppdu_info->other_msdu_count;

5
drivers/net/wireless/ath/ath11k/mac.c
View File

@ -4479,6 +4479,7 @@ static int ath11k_mac_station_add(struct ath11k *ar,
}
}
ewma_avg_rssi_init(&arsta->avg_rssi);
return 0;
free_tx_stats:
@ -8161,6 +8162,10 @@ static void ath11k_mac_op_sta_statistics(struct ieee80211_hw *hw,
sinfo->signal = db2dbm ? signal : signal + ATH11K_DEFAULT_NOISE_FLOOR;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
}
sinfo->signal_avg = ewma_avg_rssi_read(&arsta->avg_rssi) +
ATH11K_DEFAULT_NOISE_FLOOR;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
}
#if IS_ENABLED(CONFIG_IPV6)