linux/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c
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   1// SPDX-License-Identifier: ISC
   2
   3#include "mt7603.h"
   4
   5static int
   6mt7603_reset_read(struct seq_file *s, void *data)
   7{
   8        struct mt7603_dev *dev = dev_get_drvdata(s->private);
   9        static const char * const reset_cause_str[] = {
  10                [RESET_CAUSE_TX_HANG] = "TX hang",
  11                [RESET_CAUSE_TX_BUSY] = "TX DMA busy stuck",
  12                [RESET_CAUSE_RX_BUSY] = "RX DMA busy stuck",
  13                [RESET_CAUSE_RX_PSE_BUSY] = "RX PSE busy stuck",
  14                [RESET_CAUSE_BEACON_STUCK] = "Beacon stuck",
  15                [RESET_CAUSE_MCU_HANG] = "MCU hang",
  16                [RESET_CAUSE_RESET_FAILED] = "PSE reset failed",
  17        };
  18        int i;
  19
  20        for (i = 0; i < ARRAY_SIZE(reset_cause_str); i++) {
  21                if (!reset_cause_str[i])
  22                        continue;
  23
  24                seq_printf(s, "%20s: %u\n", reset_cause_str[i],
  25                           dev->reset_cause[i]);
  26        }
  27
  28        return 0;
  29}
  30
  31static int
  32mt7603_radio_read(struct seq_file *s, void *data)
  33{
  34        struct mt7603_dev *dev = dev_get_drvdata(s->private);
  35
  36        seq_printf(s, "Sensitivity: %d\n", dev->sensitivity);
  37        seq_printf(s, "False CCA: ofdm=%d cck=%d\n",
  38                   dev->false_cca_ofdm, dev->false_cca_cck);
  39
  40        return 0;
  41}
  42
  43static int
  44mt7603_edcca_set(void *data, u64 val)
  45{
  46        struct mt7603_dev *dev = data;
  47
  48        mutex_lock(&dev->mt76.mutex);
  49
  50        dev->ed_monitor_enabled = !!val;
  51        dev->ed_monitor = dev->ed_monitor_enabled &&
  52                          dev->mt76.region == NL80211_DFS_ETSI;
  53        mt7603_init_edcca(dev);
  54
  55        mutex_unlock(&dev->mt76.mutex);
  56
  57        return 0;
  58}
  59
  60static int
  61mt7603_edcca_get(void *data, u64 *val)
  62{
  63        struct mt7603_dev *dev = data;
  64
  65        *val = dev->ed_monitor_enabled;
  66        return 0;
  67}
  68
  69DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt7603_edcca_get,
  70                         mt7603_edcca_set, "%lld\n");
  71
  72static int
  73mt7603_ampdu_stat_read(struct seq_file *file, void *data)
  74{
  75        struct mt7603_dev *dev = file->private;
  76        int bound[3], i, range;
  77
  78        range = mt76_rr(dev, MT_AGG_ASRCR);
  79        for (i = 0; i < ARRAY_SIZE(bound); i++)
  80                bound[i] = MT_AGG_ASRCR_RANGE(range, i) + 1;
  81
  82        seq_printf(file, "Length: %8d | ", bound[0]);
  83        for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
  84                seq_printf(file, "%3d -%3d | ",
  85                           bound[i], bound[i + 1]);
  86        seq_puts(file, "\nCount:  ");
  87        for (i = 0; i < ARRAY_SIZE(bound); i++)
  88                seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i]);
  89        seq_puts(file, "\n");
  90
  91        return 0;
  92}
  93
  94static int
  95mt7603_ampdu_stat_open(struct inode *inode, struct file *f)
  96{
  97        return single_open(f, mt7603_ampdu_stat_read, inode->i_private);
  98}
  99
 100static const struct file_operations fops_ampdu_stat = {
 101        .open = mt7603_ampdu_stat_open,
 102        .read = seq_read,
 103        .llseek = seq_lseek,
 104        .release = single_release,
 105};
 106
 107void mt7603_init_debugfs(struct mt7603_dev *dev)
 108{
 109        struct dentry *dir;
 110
 111        dir = mt76_register_debugfs(&dev->mt76);
 112        if (!dir)
 113                return;
 114
 115        debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
 116        debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
 117                                    mt76_queues_read);
 118        debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
 119        debugfs_create_u32("reset_test", 0600, dir, &dev->reset_test);
 120        debugfs_create_devm_seqfile(dev->mt76.dev, "reset", dir,
 121                                    mt7603_reset_read);
 122        debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir,
 123                                    mt7603_radio_read);
 124        debugfs_create_u8("sensitivity_limit", 0600, dir,
 125                            &dev->sensitivity_limit);
 126        debugfs_create_bool("dynamic_sensitivity", 0600, dir,
 127                            &dev->dynamic_sensitivity);
 128}
 129