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mt76: mt7615: collect aggregation stats

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Introduce ampdu_stat entry in mt7615 debugfs in order to dump 802.11
aggr cumulative statistics

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2019-09-26 12:04:20 +02:00
committed by Felix Fietkau
parent 23e8aed3ac
commit 696c0fc551
5 changed files with 66 additions and 0 deletions
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mt7615/debugfs.c
+39
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@@ -36,6 +36,44 @@ mt7615_scs_get(void *data, u64 *val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_scs, mt7615_scs_get,
mt7615_scs_set, "%lld\n");
static int
mt7615_ampdu_stat_read(struct seq_file *file, void *data)
{
struct mt7615_dev *dev = file->private;
int bound[7], i, range;
range = mt76_rr(dev, MT_AGG_ASRCR0);
for (i = 0; i < 4; i++)
bound[i] = MT_AGG_ASRCR_RANGE(range, i) + 1;
range = mt76_rr(dev, MT_AGG_ASRCR1);
for (i = 0; i < 3; i++)
bound[i + 4] = MT_AGG_ASRCR_RANGE(range, i) + 1;
seq_printf(file, "Length: %8d | ", bound[0]);
for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
seq_printf(file, "%3d -%3d | ",
bound[i], bound[i + 1]);
seq_puts(file, "\nCount: ");
for (i = 0; i < ARRAY_SIZE(bound); i++)
seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i]);
seq_puts(file, "\n");
return 0;
}
static int
mt7615_ampdu_stat_open(struct inode *inode, struct file *f)
{
return single_open(f, mt7615_ampdu_stat_read, inode->i_private);
}
static const struct file_operations fops_ampdu_stat = {
.open = mt7615_ampdu_stat_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int
mt7615_radio_read(struct seq_file *s, void *data)
{
@@ -130,6 +168,7 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
mt7615_queues_read);
debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
mt7615_queues_acq);
debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
debugfs_create_file("scs", 0600, dir, dev, &fops_scs);
debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir,
mt7615_radio_read);