cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

debugfs.c (2973B)

      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_show(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
     94DEFINE_SHOW_ATTRIBUTE(mt7603_ampdu_stat);
     95
     96void mt7603_init_debugfs(struct mt7603_dev *dev)
     97{
     98	struct dentry *dir;
     99
    100	dir = mt76_register_debugfs(&dev->mt76);
    101	if (!dir)
    102		return;
    103
    104	debugfs_create_file("ampdu_stat", 0400, dir, dev,
    105			     &mt7603_ampdu_stat_fops);
    106	debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
    107				    mt76_queues_read);
    108	debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
    109	debugfs_create_u32("reset_test", 0600, dir, &dev->reset_test);
    110	debugfs_create_devm_seqfile(dev->mt76.dev, "reset", dir,
    111				    mt7603_reset_read);
    112	debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir,
    113				    mt7603_radio_read);
    114	debugfs_create_u8("sensitivity_limit", 0600, dir,
    115			    &dev->sensitivity_limit);
    116	debugfs_create_bool("dynamic_sensitivity", 0600, dir,
    117			    &dev->dynamic_sensitivity);
    118}