From 8241253d03fe9098e98315a4d66027ae31ab65c5 Mon Sep 17 00:00:00 2001
From: Norik Dzhandzhapanyan <norikd@gmail.com>
Date: Mon, 12 Jun 2017 18:03:34 +0300
Subject: [PATCH] ath10k: add per chain RSSI reporting
Git-commit: 8241253d03fe9098e98315a4d66027ae31ab65c5
Patch-mainline: v4.13-rc1
References: FATE#326906
Report per chain RSSI to mac80211.
Signed-off-by: Norik Dzhandzhapanyan <norikd@gmail.com>
[kvalo@qca.qualcomm.com: fix conflicts and style]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/ath/ath10k/htt_rx.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 6c0a821fe79d..398dda978d6e 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -829,6 +829,19 @@ static void ath10k_htt_rx_h_signal(struct ath10k *ar,
struct ieee80211_rx_status *status,
struct htt_rx_desc *rxd)
{
+ int i;
+
+ for (i = 0; i < IEEE80211_MAX_CHAINS ; i++) {
+ status->chains &= ~BIT(i);
+
+ if (rxd->ppdu_start.rssi_chains[i].pri20_mhz != 0x80) {
+ status->chain_signal[i] = ATH10K_DEFAULT_NOISE_FLOOR +
+ rxd->ppdu_start.rssi_chains[i].pri20_mhz;
+
+ status->chains |= BIT(i);
+ }
+ }
+
/* FIXME: Get real NF */
status->signal = ATH10K_DEFAULT_NOISE_FLOOR +
rxd->ppdu_start.rssi_comb;
--
2.19.2