drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c

   1 // SPDX-License-Identifier: ISC
   2
   3 #include "mt7603.h"
   4
   5 static int
   6 mt7603_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
  31 static int
  32 mt7603_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
  43 static int
  44 mt7603_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
  60 static int
  61 mt7603_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
  69 DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt7603_edcca_get,
  70                          mt7603_edcca_set, "%lld\n");
  71
  72 static int
  73 mt7603_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
  94 static int
  95 mt7603_ampdu_stat_open(struct inode *inode, struct file *f)
  96 {
  97         return single_open(f, mt7603_ampdu_stat_read, inode->i_private);
  98 }
  99
 100 static 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
 107 void 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, "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 }