recipes-wifi/linux-mt76/files/patches/1035-wifi-mt76-update-debugfs-knob-for-tx-tokens.patch

From cf2a6fb7145d4083bd06558fcad669f91517b6ad Mon Sep 17 00:00:00 2001
From: Evelyn Tsai <evelyn.tsai@mediatek.com>
Date: Thu, 24 Aug 2023 03:01:27 +0800
Subject: [PATCH 1035/1051] wifi: mt76: update debugfs knob for tx tokens

1. dump token pending time
2. dump per-band token counts

Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
---
 mt76.h               |  1 +
 mt7915/mac.c         |  2 ++
 mt7915/mtk_debugfs.c | 24 +++++++++++++++++++-----
 3 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/mt76.h b/mt76.h
index 54f805e..cff22f5 100644
--- a/mt76.h
+++ b/mt76.h
@@ -403,6 +403,7 @@ struct mt76_txwi_cache {
 	dma_addr_t dma_addr;
 
 	u8 phy_idx;
+	unsigned long jiffies;
 
 	union {
 		struct sk_buff *skb;
diff --git a/mt7915/mac.c b/mt7915/mac.c
index 35e97f8..a731446 100644
--- a/mt7915/mac.c
+++ b/mt7915/mac.c
@@ -811,6 +811,8 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
 	if (id < 0)
 		return id;
 
+	t->jiffies = jiffies;
+
 	pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb);
 	mt7915_mac_write_txwi(mdev, txwi_ptr, tx_info->skb, wcid, pid, key,
 			      qid, 0);
diff --git a/mt7915/mtk_debugfs.c b/mt7915/mtk_debugfs.c
index ad7abda..5ce2b93 100644
--- a/mt7915/mtk_debugfs.c
+++ b/mt7915/mtk_debugfs.c
@@ -2203,17 +2203,31 @@ static int mt7915_mibinfo_band1(struct seq_file *s, void *data)
 static int mt7915_token_read(struct seq_file *s, void *data)
 {
 	struct mt7915_dev *dev = dev_get_drvdata(s->private);
-	int id, count = 0;
+	struct mt76_dev *mdev = &dev->mt76;
+	int id, i;
 	struct mt76_txwi_cache *txwi;
 
 	seq_printf(s, "Cut through token:\n");
 	spin_lock_bh(&dev->mt76.token_lock);
 	idr_for_each_entry(&dev->mt76.token, txwi, id) {
-		seq_printf(s, "%4d ", id);
-		count++;
-		if (count % 8 == 0)
-			seq_printf(s, "\n");
+		seq_printf(s, "%4d (token pending %u ms)\n", id,
+			   jiffies_to_msecs(jiffies - txwi->jiffies));
+	}
+
+	if (!dev->dbdc_support)
+		goto out;
+
+	for (i = 0; i < MT_BAND2; i++) {
+		struct mt76_phy *mphy = mdev->phys[i];
+
+		if (!mphy)
+			continue;
+
+		seq_printf(s, "Band%d consume: %d, free:%d total: %d\n",
+			   i, mphy->tokens, mdev->token_threshold - mphy->tokens,
+			   mdev->token_threshold);
 	}
+out:
 	spin_unlock_bh(&dev->mt76.token_lock);
 	seq_printf(s, "\n");
 
-- 
2.18.0