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authorNicolas Escande <nico.escande@gmail.com>2025-02-02 00:13:01 +0300
committerJeff Johnson <jeff.johnson@oss.qualcomm.com>2025-02-11 18:27:08 +0300
commitcb53a6785ea5b0a14e7e5af4322bee3df266e949 (patch)
tree751b4ccf14ba2b527deadfdac926b232608e7180
parent02aae8e2f957adc1b15b6b8055316f8a154ac3f5 (diff)
downloadlinux-cb53a6785ea5b0a14e7e5af4322bee3df266e949.tar.xz
wifi: ath12k: add support of station average signal strength
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> Reviewed-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com> Link: https://patch.msgid.link/20250201211301.357985-1-nico.escande@gmail.com Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
-rw-r--r--drivers/net/wireless/ath/ath12k/core.h4
-rw-r--r--drivers/net/wireless/ath/ath12k/dp_mon.c2
-rw-r--r--drivers/net/wireless/ath/ath12k/mac.c8
3 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h
index 57e71ccbbb67..3dcdedf9e9de 100644
--- a/drivers/net/wireless/ath/ath12k/core.h
+++ b/drivers/net/wireless/ath/ath12k/core.h
@@ -15,6 +15,7 @@
#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"
@@ -483,6 +484,8 @@ 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;
@@ -502,6 +505,7 @@ 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;
diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c
index 4e9a60181c06..d529229f2d0f 100644
--- a/drivers/net/wireless/ath/ath12k/dp_mon.c
+++ b/drivers/net/wireless/ath/ath12k/dp_mon.c
@@ -2002,6 +2002,7 @@ 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;
@@ -2174,6 +2175,7 @@ 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;
diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index 16e6f2fae943..fc5cfd860d4d 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -5519,6 +5519,7 @@ static int ath12k_mac_station_add(struct ath12k *ar,
}
}
+ ewma_avg_rssi_init(&arsta->avg_rssi);
return 0;
free_peer:
@@ -10197,6 +10198,13 @@ static void ath12k_mac_op_sta_statistics(struct ieee80211_hw *hw,
sinfo->signal = db2dbm ? signal : signal + ATH12K_DEFAULT_NOISE_FLOOR;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
}
+
+ sinfo->signal_avg = ewma_avg_rssi_read(&arsta->avg_rssi);
+
+ if (!db2dbm)
+ sinfo->signal_avg += 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,