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mt76: add rx queues info to mt76 debugfs 

Introduce rx-queues debugfs node in order to dump rx queues status.
This would be useful for mcu fw debugging

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2020-04-19 22:11:41 +02:00 committed by Felix Fietkau
parent 18ab1d7a37
commit 6ea62c5079
4 changed files with 25 additions and 4 deletions
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21
drivers/net/wireless/mediatek/mt76/debugfs.c
View File

@ -46,6 +46,25 @@ int mt76_queues_read(struct seq_file *s, void *data)
}
EXPORT_SYMBOL_GPL(mt76_queues_read);
static int mt76_rx_queues_read(struct seq_file *s, void *data)
{
struct mt76_dev *dev = dev_get_drvdata(s->private);
int i, queued;
for (i = 0; i < ARRAY_SIZE(dev->q_rx); i++) {
struct mt76_queue *q = &dev->q_rx[i];
if (!q->ndesc)
continue;
queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued;
seq_printf(s, "%d: queued=%d head=%d tail=%d\n",
i, queued, q->head, q->tail);
}
return 0;
}
void mt76_seq_puts_array(struct seq_file *file, const char *str,
s8 *val, int len)
{
@ -92,6 +111,8 @@ struct dentry *mt76_register_debugfs(struct mt76_dev *dev)
debugfs_create_blob("otp", 0400, dir, &dev->otp);
debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir,
mt76_read_rate_txpower);
debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir,
mt76_rx_queues_read);
return dir;
}

2
drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c
View File

@ -113,7 +113,7 @@ void mt7603_init_debugfs(struct mt7603_dev *dev)
return;
debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
mt76_queues_read);
debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
debugfs_create_u32("reset_test", 0600, dir, &dev->reset_test);

4
drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
View File

@ -293,10 +293,10 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
return -ENOMEM;
if (is_mt7615(&dev->mt76))
debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
mt7615_queues_read);
else
debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
mt76_queues_read);
debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
mt7615_queues_acq);

2
drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
View File

@ -144,7 +144,7 @@ void mt76x02_init_debugfs(struct mt76x02_dev *dev)
if (!dir)
return;
debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
mt76_queues_read);
debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);