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developere35b8e42023-10-16 11:04:00 +08001From e4019ba63d7bb60ac0b56618e3fd9421c97ce474 Mon Sep 17 00:00:00 2001
developerdfb50982023-09-11 13:34:36 +08002From: Peter Chiu <chui-hao.chiu@mediatek.com>
3Date: Tue, 29 Aug 2023 09:22:18 +0800
developere35b8e42023-10-16 11:04:00 +08004Subject: [PATCH 1038/1040] wifi: mt76: update debugfs knob to dump token
5 pending time
developerdfb50982023-09-11 13:34:36 +08006
7Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
8---
9 mt76.h | 2 ++
10 mt7915/mac.c | 6 ++++++
11 mt7915/mtk_debugfs.c | 6 ++----
12 3 files changed, 10 insertions(+), 4 deletions(-)
13
14diff --git a/mt76.h b/mt76.h
developere35b8e42023-10-16 11:04:00 +080015index 91da8c5..ad1402a 100644
developerdfb50982023-09-11 13:34:36 +080016--- a/mt76.h
17+++ b/mt76.h
developere35b8e42023-10-16 11:04:00 +080018@@ -368,6 +368,8 @@ struct mt76_txwi_cache {
developerdfb50982023-09-11 13:34:36 +080019 struct list_head list;
20 dma_addr_t dma_addr;
21
22+ unsigned long jiffies;
23+
24 union {
25 struct sk_buff *skb;
26 void *ptr;
27diff --git a/mt7915/mac.c b/mt7915/mac.c
developere35b8e42023-10-16 11:04:00 +080028index e4f46e0..817763a 100644
developerdfb50982023-09-11 13:34:36 +080029--- a/mt7915/mac.c
30+++ b/mt7915/mac.c
31@@ -802,6 +802,8 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
32 if (id < 0)
33 return id;
34
35+ t->jiffies = jiffies;
36+
37 pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb);
38 mt7915_mac_write_txwi(mdev, txwi_ptr, tx_info->skb, wcid, pid, key,
39 qid, 0);
40@@ -1000,6 +1002,8 @@ mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len)
41 if (!txwi)
42 continue;
43
44+ txwi->jiffies = 0;
45+
46 mt76_connac2_txwi_free(mdev, txwi, sta, &free_list);
47 }
48 }
49@@ -1032,6 +1036,8 @@ mt7915_mac_tx_free_v0(struct mt7915_dev *dev, void *data, int len)
50 if (!txwi)
51 continue;
52
53+ txwi->jiffies = 0;
54+
55 mt76_connac2_txwi_free(mdev, txwi, NULL, &free_list);
56 }
57
58diff --git a/mt7915/mtk_debugfs.c b/mt7915/mtk_debugfs.c
developere35b8e42023-10-16 11:04:00 +080059index 80b7bc1..46f1b0b 100644
developerdfb50982023-09-11 13:34:36 +080060--- a/mt7915/mtk_debugfs.c
61+++ b/mt7915/mtk_debugfs.c
62@@ -2211,10 +2211,8 @@ static int mt7915_token_read(struct seq_file *s, void *data)
63 seq_printf(s, "Cut through token:\n");
64 spin_lock_bh(&dev->mt76.token_lock);
65 idr_for_each_entry(&dev->mt76.token, txwi, id) {
66- seq_printf(s, "%4d ", id);
67- count++;
68- if (count % 8 == 0)
69- seq_printf(s, "\n");
70+ seq_printf(s, "%4d (token pending %u ms)\n", id,
71+ jiffies_to_msecs(jiffies - txwi->jiffies));
72 }
73 spin_unlock_bh(&dev->mt76.token_lock);
74 seq_printf(s, "\n");
75--
762.18.0
77