diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt792x_debugfs.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt792x_debugfs.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt792x_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt792x_debugfs.c new file mode 100644 index 000000000000..9858d9a93851 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt792x_debugfs.c @@ -0,0 +1,168 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2023 MediaTek Inc. */ + +#include "mt792x.h" + +static void +mt792x_ampdu_stat_read_phy(struct mt792x_phy *phy, + struct seq_file *file) +{ + struct mt792x_dev *dev = file->private; + int bound[15], range[4], i; + + if (!phy) + return; + + mt792x_mac_update_mib_stats(phy); + + /* Tx ampdu stat */ + for (i = 0; i < ARRAY_SIZE(range); i++) + range[i] = mt76_rr(dev, MT_MIB_ARNG(0, i)); + + for (i = 0; i < ARRAY_SIZE(bound); i++) + bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i % 4) + 1; + + seq_puts(file, "\nPhy0\n"); + + seq_printf(file, "Length: %8d | ", bound[0]); + for (i = 0; i < ARRAY_SIZE(bound) - 1; i++) + seq_printf(file, "%3d %3d | ", bound[i] + 1, bound[i + 1]); + + seq_puts(file, "\nCount: "); + for (i = 0; i < ARRAY_SIZE(bound); i++) + seq_printf(file, "%8d | ", phy->mt76->aggr_stats[i]); + seq_puts(file, "\n"); + + seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt); +} + +int mt792x_tx_stats_show(struct seq_file *file, void *data) +{ + struct mt792x_dev *dev = file->private; + struct mt792x_phy *phy = &dev->phy; + struct mt76_mib_stats *mib = &phy->mib; + int i; + + mt792x_mutex_acquire(dev); + + mt792x_ampdu_stat_read_phy(phy, file); + + seq_puts(file, "Tx MSDU stat:\n"); + for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) { + seq_printf(file, "AMSDU pack count of %d MSDU in TXD: %8d ", + i + 1, mib->tx_amsdu[i]); + if (mib->tx_amsdu_cnt) + seq_printf(file, "(%3d%%)\n", + mib->tx_amsdu[i] * 100 / mib->tx_amsdu_cnt); + else + seq_puts(file, "\n"); + } + + mt792x_mutex_release(dev); + + return 0; +} +EXPORT_SYMBOL_GPL(mt792x_tx_stats_show); + +int mt792x_queues_acq(struct seq_file *s, void *data) +{ + struct mt792x_dev *dev = dev_get_drvdata(s->private); + int i; + + mt792x_mutex_acquire(dev); + + for (i = 0; i < 4; i++) { + u32 ctrl, val, qlen = 0; + int j; + + val = mt76_rr(dev, MT_PLE_AC_QEMPTY(i)); + ctrl = BIT(31) | BIT(11) | (i << 24); + + for (j = 0; j < 32; j++) { + if (val & BIT(j)) + continue; + + mt76_wr(dev, MT_PLE_FL_Q0_CTRL, ctrl | j); + qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, + GENMASK(11, 0)); + } + seq_printf(s, "AC%d: queued=%d\n", i, qlen); + } + + mt792x_mutex_release(dev); + + return 0; +} +EXPORT_SYMBOL_GPL(mt792x_queues_acq); + +int mt792x_queues_read(struct seq_file *s, void *data) +{ + struct mt792x_dev *dev = dev_get_drvdata(s->private); + struct { + struct mt76_queue *q; + char *queue; + } queue_map[] = { + { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, + { dev->mt76.q_mcu[MT_MCUQ_WM], "MCUWM" }, + { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" }, + }; + int i; + + for (i = 0; i < ARRAY_SIZE(queue_map); i++) { + struct mt76_queue *q = queue_map[i].q; + + if (!q) + continue; + + seq_printf(s, + "%s: queued=%d head=%d tail=%d\n", + queue_map[i].queue, q->queued, q->head, + q->tail); + } + + return 0; +} +EXPORT_SYMBOL_GPL(mt792x_queues_read); + +int mt792x_pm_stats(struct seq_file *s, void *data) +{ + struct mt792x_dev *dev = dev_get_drvdata(s->private); + struct mt76_connac_pm *pm = &dev->pm; + + unsigned long awake_time = pm->stats.awake_time; + unsigned long doze_time = pm->stats.doze_time; + + if (!test_bit(MT76_STATE_PM, &dev->mphy.state)) + awake_time += jiffies - pm->stats.last_wake_event; + else + doze_time += jiffies - pm->stats.last_doze_event; + + seq_printf(s, "awake time: %14u\ndoze time: %15u\n", + jiffies_to_msecs(awake_time), + jiffies_to_msecs(doze_time)); + + seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake); + + return 0; +} +EXPORT_SYMBOL_GPL(mt792x_pm_stats); + +int mt792x_pm_idle_timeout_set(void *data, u64 val) +{ + struct mt792x_dev *dev = data; + + dev->pm.idle_timeout = msecs_to_jiffies(val); + + return 0; +} +EXPORT_SYMBOL_GPL(mt792x_pm_idle_timeout_set); + +int mt792x_pm_idle_timeout_get(void *data, u64 *val) +{ + struct mt792x_dev *dev = data; + + *val = jiffies_to_msecs(dev->pm.idle_timeout); + + return 0; +} +EXPORT_SYMBOL_GPL(mt792x_pm_idle_timeout_get); |