@@ -1,3 +1,4 @@
+
/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/*
* Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
@@ -15,6 +16,7 @@
#include <linux/ctype.h>
#include <linux/firmware.h>
#include <linux/panic_notifier.h>
+#include <linux/average.h>
#include "qmi.h"
#include "htc.h"
#include "wmi.h"
@@ -477,6 +479,8 @@ struct ath12k_wbm_tx_stats {
u64 wbm_tx_comp_stats[HAL_WBM_REL_HTT_TX_COMP_STATUS_MAX];
};
+DECLARE_EWMA(avg_rssi, 10, 8)
+
struct ath12k_link_sta {
struct ath12k_link_vif *arvif;
struct ath12k_sta *ahsta;
@@ -496,6 +500,7 @@ struct ath12k_link_sta {
u64 rx_duration;
u64 tx_duration;
u8 rssi_comb;
+ struct ewma_avg_rssi avg_rssi;
u8 link_id;
struct ath12k_rx_peer_stats *rx_stats;
struct ath12k_wbm_tx_stats *wbm_tx_stats;
@@ -2157,6 +2157,7 @@ static void ath12k_dp_mon_rx_update_peer_su_stats(struct ath12k *ar,
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;
@@ -2329,6 +2330,7 @@ ath12k_dp_mon_rx_update_user_stats(struct ath12k *ar,
return;
arsta->rssi_comb = ppdu_info->rssi_comb;
+ ewma_avg_rssi_add(&arsta->avg_rssi, ppdu_info->rssi_comb);
num_msdu = user_stats->tcp_msdu_count + user_stats->tcp_ack_msdu_count +
user_stats->udp_msdu_count + user_stats->other_msdu_count;
@@ -5403,6 +5403,7 @@ static int ath12k_mac_station_add(struct ath12k *ar,
}
}
+ ewma_avg_rssi_init(&arsta->avg_rssi);
return 0;
free_peer:
@@ -10054,6 +10055,10 @@ static void ath12k_mac_op_sta_statistics(struct ieee80211_hw *hw,
/* TODO: Use real NF instead of default one. */
sinfo->signal = arsta->rssi_comb + ATH12K_DEFAULT_NOISE_FLOOR;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
+
+ sinfo->signal_avg = ewma_avg_rssi_read(&arsta->avg_rssi) +
+ ATH12K_DEFAULT_NOISE_FLOOR;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
}
static int ath12k_mac_op_cancel_remain_on_channel(struct ieee80211_hw *hw,
This adds support for reporting to the kernel the average rssi. This is done the same way as it was done in ath11k. A simple ewma (with the same parameters) is updated with each rssi update. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Signed-off-by: Nicolas Escande <nico.escande@gmail.com> --- drivers/net/wireless/ath/ath12k/core.h | 5 +++++ drivers/net/wireless/ath/ath12k/dp_mon.c | 2 ++ drivers/net/wireless/ath/ath12k/mac.c | 5 +++++ 3 files changed, 12 insertions(+)