mt76: mt7615: add queue entry in debugfs (25990ed3) · Commits · 戴 / test

drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c

+61 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,63 @@ static int mt7615_read_temperature(struct seq_file s, void data)
		return 0;
		}

		static int
		mt7615_queues_acq(struct seq_file s, void data)
		{
		struct mt7615_dev *dev = dev_get_drvdata(s->private);
		int i;

		for (i = 0; i < 16; i++) {
		int j, acs = i / 4, index = i % 4;
		u32 ctrl, val, qlen = 0;

		val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index));
		ctrl = BIT(31) \| BIT(15) \| (acs << 8);

		for (j = 0; j < 32; j++) {
		if (val & BIT(j))
		continue;

		mt76_wr(dev, MT_PLE_FL_Q0_CTRL,
		ctrl \| (j + (index << 5)));
		qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
		GENMASK(11, 0));
		}
		seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen);
		}

		return 0;
		}

		static int
		mt7615_queues_read(struct seq_file s, void data)
		{
		struct mt7615_dev *dev = dev_get_drvdata(s->private);
		static const struct {
		char *queue;
		int id;
		} queue_map[] = {
		{ "PDMA0", MT_TXQ_BE },
		{ "MCUQ", MT_TXQ_MCU },
		{ "MCUFWQ", MT_TXQ_FWDL },
		};
		int i;

		for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
		struct mt76_sw_queue *q = &dev->mt76.q_tx[queue_map[i].id];

		if (!q->q)
		continue;

		seq_printf(s,
		"%s: queued=%d head=%d tail=%d\n",
		queue_map[i].queue, q->q->queued, q->q->head,
		q->q->tail);
		}

		return 0;
		}

		int mt7615_init_debugfs(struct mt7615_dev *dev)
		{
		struct dentry *dir;
		@@ -69,6 +126,10 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
		if (!dir)
		return -ENOMEM;

		debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
		mt7615_queues_read);
		debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
		mt7615_queues_acq);
		debugfs_create_file("scs", 0600, dir, dev, &fops_scs);
		debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir,
		mt7615_radio_read);

drivers/net/wireless/mediatek/mt76/mt7615/regs.h

+11 −0

Original line number	Diff line number	Diff line
		@@ -65,6 +65,17 @@
		#define MT_WPDMA_ABT_CFG MT_HIF(0x530)
		#define MT_WPDMA_ABT_CFG1 MT_HIF(0x534)

		#define MT_PLE_BASE 0x8000
		#define MT_PLE(ofs) (MT_PLE_BASE + (ofs))

		#define MT_PLE_FL_Q0_CTRL MT_PLE(0x1b0)
		#define MT_PLE_FL_Q1_CTRL MT_PLE(0x1b4)
		#define MT_PLE_FL_Q2_CTRL MT_PLE(0x1b8)
		#define MT_PLE_FL_Q3_CTRL MT_PLE(0x1bc)

		#define MT_PLE_AC_QEMPTY(ac, n) MT_PLE(0x300 + 0x10 * (ac) + \
		((n) << 2))

		#define MT_WF_PHY_BASE 0x10000
		#define MT_WF_PHY(ofs) (MT_WF_PHY_BASE + (ofs))

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