recipes-wifi/linux-mt76/files/patches-3.x/0142-mtk-mt76-mt7996-add-link-information-when-dump-stati.patch

From ff2647b012eddbe530dd4b900506911fa91c8329 Mon Sep 17 00:00:00 2001
From: Peter Chiu <chui-hao.chiu@mediatek.com>
Date: Tue, 11 Jun 2024 18:09:57 +0800
Subject: [PATCH 142/223] mtk: mt76: mt7996: add link information when dump
 station

Report following per-link information to mac80211:
- RSSI
- RX rate
- TX/RX byte counts
- TX MPDU failed/retried counts
- TX/RX airtime
- per-link per-antenna average data-frame RSSI to mac80211.

Change-Id: I3a0c5e014dcad4683cf19859e452e771c49d4ba6
Change-Id: I5c7c282b97ec8a82b0a54ff5e9bbf0858461c832
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Benjamin Lin <benjamin-jw.lin@mediatek.com>
---
 mt7996/main.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/mt7996/main.c b/mt7996/main.c
index 05917cc8..380a6ca0 100644
--- a/mt7996/main.c
+++ b/mt7996/main.c
@@ -1817,6 +1817,83 @@ out:
 	mutex_unlock(&dev->mt76.mutex);
 }
 
+static void mt7996_sta_link_statistics(struct ieee80211_hw *hw,
+				       struct ieee80211_vif *vif,
+				       struct ieee80211_sta *sta,
+				       unsigned int link_id,
+				       struct station_link_info *linfo)
+{
+	struct mt7996_dev *dev = mt7996_hw_dev(hw);
+	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
+	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
+	struct mt7996_link_sta *mlink;
+	struct mt7996_bss_conf *mconf;
+	struct mt76_sta_stats *stats;
+	int i;
+
+	mutex_lock(&dev->mt76.mutex);
+	mlink = mlink_dereference_protected(msta, link_id);
+	if (!mlink)
+		goto out;
+	stats = &mlink->wcid.stats;
+
+	mconf = mconf_dereference_protected(mvif, link_id);
+	if (!mconf)
+		goto out;
+
+	linfo->signal = (s8)mlink->signal;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
+
+	linfo->chains = mconf->phy->mt76->antenna_mask;
+	memcpy(linfo->chain_signal, mlink->chain_signal, IEEE80211_MAX_CHAINS);
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL);
+
+	linfo->signal_avg = -(s8)ewma_avg_signal_read(&mlink->signal_avg);
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
+
+	for (i = 0; i < IEEE80211_MAX_CHAINS; ++i)
+		linfo->chain_signal_avg[i] = -(s8)ewma_avg_signal_read(mlink->chain_signal_avg + i);
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG);
+
+	linfo->ack_signal = (s8)mlink->ack_signal;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL);
+
+	linfo->avg_ack_signal = -(s8)ewma_avg_signal_read(&mlink->avg_ack_signal);
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL_AVG);
+
+	linfo->txrate = mlink->wcid.rate;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+
+	linfo->rxrate = mlink->wcid.rx_rate;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE);
+
+	linfo->tx_bytes = stats->tx_bytes;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64);
+
+	linfo->rx_bytes = stats->rx_bytes;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64);
+
+	linfo->tx_failed = stats->tx_failed;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
+
+	linfo->tx_retries = stats->tx_retries;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES);
+
+	linfo->rx_mpdu_count = stats->rx_mpdus;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_MPDUS);
+
+	linfo->fcs_err_count = stats->rx_fcs_err;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_FCS_ERROR_COUNT);
+
+	linfo->tx_duration = stats->tx_airtime;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_DURATION);
+
+	linfo->rx_duration = stats->rx_airtime;
+	linfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);
+out:
+	mutex_unlock(&dev->mt76.mutex);
+}
+
 static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta)
 {
 	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
@@ -2936,6 +3013,7 @@ const struct ieee80211_ops mt7996_ops = {
 	.set_bitrate_mask = mt7996_set_bitrate_mask,
 	.set_coverage_class = mt7996_set_coverage_class,
 	.sta_statistics = mt7996_sta_statistics,
+	.sta_link_statistics = mt7996_sta_link_statistics,
 	.sta_set_4addr = mt7996_sta_set_4addr,
 	.sta_set_decap_offload = mt7996_sta_set_decap_offload,
 	.add_twt_setup = mt7996_mac_add_twt_setup,
-- 
2.45.2