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Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / drivers / net / wireless / mediatek / mt76 / mt792x_debugfs.c
1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2023 MediaTek Inc. */
3
4 #include "mt792x.h"
5
6 static void
7 mt792x_ampdu_stat_read_phy(struct mt792x_phy *phy,
8                            struct seq_file *file)
9 {
10         struct mt792x_dev *dev = file->private;
11         int bound[15], range[4], i;
12
13         if (!phy)
14                 return;
15
16         mt792x_mac_update_mib_stats(phy);
17
18         /* Tx ampdu stat */
19         for (i = 0; i < ARRAY_SIZE(range); i++)
20                 range[i] = mt76_rr(dev, MT_MIB_ARNG(0, i));
21
22         for (i = 0; i < ARRAY_SIZE(bound); i++)
23                 bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i % 4) + 1;
24
25         seq_puts(file, "\nPhy0\n");
26
27         seq_printf(file, "Length: %8d | ", bound[0]);
28         for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
29                 seq_printf(file, "%3d  %3d | ", bound[i] + 1, bound[i + 1]);
30
31         seq_puts(file, "\nCount:  ");
32         for (i = 0; i < ARRAY_SIZE(bound); i++)
33                 seq_printf(file, "%8d | ", phy->mt76->aggr_stats[i]);
34         seq_puts(file, "\n");
35
36         seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
37 }
38
39 int mt792x_tx_stats_show(struct seq_file *file, void *data)
40 {
41         struct mt792x_dev *dev = file->private;
42         struct mt792x_phy *phy = &dev->phy;
43         struct mt76_mib_stats *mib = &phy->mib;
44         int i;
45
46         mt792x_mutex_acquire(dev);
47
48         mt792x_ampdu_stat_read_phy(phy, file);
49
50         seq_puts(file, "Tx MSDU stat:\n");
51         for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) {
52                 seq_printf(file, "AMSDU pack count of %d MSDU in TXD: %8d ",
53                            i + 1, mib->tx_amsdu[i]);
54                 if (mib->tx_amsdu_cnt)
55                         seq_printf(file, "(%3d%%)\n",
56                                    mib->tx_amsdu[i] * 100 / mib->tx_amsdu_cnt);
57                 else
58                         seq_puts(file, "\n");
59         }
60
61         mt792x_mutex_release(dev);
62
63         return 0;
64 }
65 EXPORT_SYMBOL_GPL(mt792x_tx_stats_show);
66
67 int mt792x_queues_acq(struct seq_file *s, void *data)
68 {
69         struct mt792x_dev *dev = dev_get_drvdata(s->private);
70         int i;
71
72         mt792x_mutex_acquire(dev);
73
74         for (i = 0; i < 4; i++) {
75                 u32 ctrl, val, qlen = 0;
76                 int j;
77
78                 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(i));
79                 ctrl = BIT(31) | BIT(11) | (i << 24);
80
81                 for (j = 0; j < 32; j++) {
82                         if (val & BIT(j))
83                                 continue;
84
85                         mt76_wr(dev, MT_PLE_FL_Q0_CTRL, ctrl | j);
86                         qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
87                                                GENMASK(11, 0));
88                 }
89                 seq_printf(s, "AC%d: queued=%d\n", i, qlen);
90         }
91
92         mt792x_mutex_release(dev);
93
94         return 0;
95 }
96 EXPORT_SYMBOL_GPL(mt792x_queues_acq);
97
98 int mt792x_queues_read(struct seq_file *s, void *data)
99 {
100         struct mt792x_dev *dev = dev_get_drvdata(s->private);
101         struct {
102                 struct mt76_queue *q;
103                 char *queue;
104         } queue_map[] = {
105                 { dev->mphy.q_tx[MT_TXQ_BE],     "WFDMA0" },
106                 { dev->mt76.q_mcu[MT_MCUQ_WM],   "MCUWM"  },
107                 { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" },
108         };
109         int i;
110
111         for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
112                 struct mt76_queue *q = queue_map[i].q;
113
114                 if (!q)
115                         continue;
116
117                 seq_printf(s,
118                            "%s: queued=%d head=%d tail=%d\n",
119                            queue_map[i].queue, q->queued, q->head,
120                            q->tail);
121         }
122
123         return 0;
124 }
125 EXPORT_SYMBOL_GPL(mt792x_queues_read);
126
127 int mt792x_pm_stats(struct seq_file *s, void *data)
128 {
129         struct mt792x_dev *dev = dev_get_drvdata(s->private);
130         struct mt76_connac_pm *pm = &dev->pm;
131
132         unsigned long awake_time = pm->stats.awake_time;
133         unsigned long doze_time = pm->stats.doze_time;
134
135         if (!test_bit(MT76_STATE_PM, &dev->mphy.state))
136                 awake_time += jiffies - pm->stats.last_wake_event;
137         else
138                 doze_time += jiffies - pm->stats.last_doze_event;
139
140         seq_printf(s, "awake time: %14u\ndoze time: %15u\n",
141                    jiffies_to_msecs(awake_time),
142                    jiffies_to_msecs(doze_time));
143
144         seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake);
145
146         return 0;
147 }
148 EXPORT_SYMBOL_GPL(mt792x_pm_stats);
149
150 int mt792x_pm_idle_timeout_set(void *data, u64 val)
151 {
152         struct mt792x_dev *dev = data;
153
154         dev->pm.idle_timeout = msecs_to_jiffies(val);
155
156         return 0;
157 }
158 EXPORT_SYMBOL_GPL(mt792x_pm_idle_timeout_set);
159
160 int mt792x_pm_idle_timeout_get(void *data, u64 *val)
161 {
162         struct mt792x_dev *dev = data;
163
164         *val = jiffies_to_msecs(dev->pm.idle_timeout);
165
166         return 0;
167 }
168 EXPORT_SYMBOL_GPL(mt792x_pm_idle_timeout_get);
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