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@xxxxxxxxx> --- v2: - removed spurious exta new line at the beggining of core.h v1: https://lore.kernel.org/ath12k/20250117172819.3357534-1-nico.escande@xxxxxxxxx/ - initial version --- drivers/net/wireless/ath/ath12k/core.h | 4 ++++ drivers/net/wireless/ath/ath12k/dp_mon.c | 2 ++ drivers/net/wireless/ath/ath12k/mac.c | 5 +++++ 3 files changed, 11 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index ee595794a7aee..83af4381b79ff 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" @@ -477,6 +478,8 @@ 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 +499,7 @@ 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 5a21961cfd465..e53d5674b4368 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -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; diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 2d062b5904a8e..5be8cf0e41279 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -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, -- 2.48.1
