From 6ea62c50792c6ad8b283c02d19f4304c7f3a3ccf Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Sun, 19 Apr 2020 22:11:41 +0200
Subject: [PATCH] mt76: add rx queues info to mt76 debugfs
Git-commit: 6ea62c50792c6ad8b283c02d19f4304c7f3a3ccf
Patch-mainline: v5.8-rc1
References: jsc#SLE-13430
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/debugfs.c | 21 +++++++++++++++++++++
drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c | 2 +-
drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c | 4 ++--
.../net/wireless/mediatek/mt76/mt76x02_debugfs.c | 2 +-
4 files changed, 25 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/debugfs.c b/drivers/net/wireless/mediatek/mt76/debugfs.c
index d2202acb8dc6..0278e1b44576 100644
--- a/drivers/net/wireless/mediatek/mt76/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/debugfs.c
@@ -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;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c
index cc7c788abedd..8ce6880b2bb8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c
@@ -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);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
index 150036488e3f..fd3ef483a87c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
@@ -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);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
index 68b40d63a46d..ff448a1ad4e3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
@@ -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);
--
2.16.4