1 files changed, 208 insertions, 17 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index e96d1c31dd36..4e1ecaec8f4f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -1,9 +1,13 @@
 // SPDX-License-Identifier: ISC
 /* Copyright (C) 2020 MediaTek Inc. */
 
+#include <linux/relay.h>
 #include "mt7915.h"
 #include "eeprom.h"
 #include "mcu.h"
+#include "mac.h"
+
+#define FW_BIN_LOG_MAGIC	0x44e98caf
 
 /** global debugfs **/
 
@@ -75,7 +79,11 @@ mt7915_radar_trigger(void *data, u64 val)
 {
 	struct mt7915_dev *dev = data;
 
-	return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, 1, 0, 0);
+	if (val > MT_RX_SEL2)
+		return -EINVAL;
+
+	return mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_RADAR_EMULATE,
+				       val, 0, 0);
 }
 
 DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,
@@ -301,6 +309,53 @@ exit:
 DEFINE_SHOW_ATTRIBUTE(mt7915_muru_stats);
 
 static int
+mt7915_rdd_monitor(struct seq_file *s, void *data)
+{
+	struct mt7915_dev *dev = dev_get_drvdata(s->private);
+	struct cfg80211_chan_def *chandef = &dev->rdd2_chandef;
+	const char *bw;
+	int ret = 0;
+
+	mutex_lock(&dev->mt76.mutex);
+
+	if (!cfg80211_chandef_valid(chandef)) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	if (!dev->rdd2_phy) {
+		seq_puts(s, "not running\n");
+		goto out;
+	}
+
+	switch (chandef->width) {
+	case NL80211_CHAN_WIDTH_40:
+		bw = "40";
+		break;
+	case NL80211_CHAN_WIDTH_80:
+		bw = "80";
+		break;
+	case NL80211_CHAN_WIDTH_160:
+		bw = "160";
+		break;
+	case NL80211_CHAN_WIDTH_80P80:
+		bw = "80P80";
+		break;
+	default:
+		bw = "20";
+		break;
+	}
+
+	seq_printf(s, "channel %d (%d MHz) width %s MHz center1: %d MHz\n",
+		   chandef->chan->hw_value, chandef->chan->center_freq,
+		   bw, chandef->center_freq1);
+out:
+	mutex_unlock(&dev->mt76.mutex);
+
+	return ret;
+}
+
+static int
 mt7915_fw_debug_wm_set(void *data, u64 val)
 {
 	struct mt7915_dev *dev = data;
@@ -311,16 +366,31 @@ mt7915_fw_debug_wm_set(void *data, u64 val)
 		DEBUG_SPL,
 		DEBUG_RPT_RX,
 	} debug;
+	bool tx, rx, en;
 	int ret;
 
 	dev->fw_debug_wm = val ? MCU_FW_LOG_TO_HOST : 0;
 
-	ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, dev->fw_debug_wm);
+	if (dev->fw_debug_bin)
+		val = 16;
+	else
+		val = dev->fw_debug_wm;
+
+	tx = dev->fw_debug_wm || (dev->fw_debug_bin & BIT(1));
+	rx = dev->fw_debug_wm || (dev->fw_debug_bin & BIT(2));
+	en = dev->fw_debug_wm || (dev->fw_debug_bin & BIT(0));
+
+	ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, val);
 	if (ret)
 		return ret;
 
 	for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) {
-		ret = mt7915_mcu_fw_dbg_ctrl(dev, debug, !!dev->fw_debug_wm);
+		if (debug == DEBUG_RPT_RX)
+			val = en && rx;
+		else
+			val = en && tx;
+
+		ret = mt7915_mcu_fw_dbg_ctrl(dev, debug, val);
 		if (ret)
 			return ret;
 	}
@@ -376,6 +446,65 @@ mt7915_fw_debug_wa_get(void *data, u64 *val)
 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wa, mt7915_fw_debug_wa_get,
 			 mt7915_fw_debug_wa_set, "%lld\n");
 
+static struct dentry *
+create_buf_file_cb(const char *filename, struct dentry *parent, umode_t mode,
+		   struct rchan_buf *buf, int *is_global)
+{
+	struct dentry *f;
+
+	f = debugfs_create_file("fwlog_data", mode, parent, buf,
+				&relay_file_operations);
+	if (IS_ERR(f))
+		return NULL;
+
+	*is_global = 1;
+
+	return f;
+}
+
+static int
+remove_buf_file_cb(struct dentry *f)
+{
+	debugfs_remove(f);
+
+	return 0;
+}
+
+static int
+mt7915_fw_debug_bin_set(void *data, u64 val)
+{
+	static struct rchan_callbacks relay_cb = {
+		.create_buf_file = create_buf_file_cb,
+		.remove_buf_file = remove_buf_file_cb,
+	};
+	struct mt7915_dev *dev = data;
+
+	if (!dev->relay_fwlog)
+		dev->relay_fwlog = relay_open("fwlog_data", dev->debugfs_dir,
+					    1500, 512, &relay_cb, NULL);
+	if (!dev->relay_fwlog)
+		return -ENOMEM;
+
+	dev->fw_debug_bin = val;
+
+	relay_reset(dev->relay_fwlog);
+
+	return mt7915_fw_debug_wm_set(dev, dev->fw_debug_wm);
+}
+
+static int
+mt7915_fw_debug_bin_get(void *data, u64 *val)
+{
+	struct mt7915_dev *dev = data;
+
+	*val = dev->fw_debug_bin;
+
+	return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_bin, mt7915_fw_debug_bin_get,
+			 mt7915_fw_debug_bin_set, "%lld\n");
+
 static int
 mt7915_fw_util_wm_show(struct seq_file *file, void *data)
 {
@@ -419,12 +548,12 @@ mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,
 
 	/* Tx ampdu stat */
 	for (i = 0; i < ARRAY_SIZE(range); i++)
-		range[i] = mt76_rr(dev, MT_MIB_ARNG(ext_phy, i));
+		range[i] = mt76_rr(dev, MT_MIB_ARNG(phy->band_idx, i));
 
 	for (i = 0; i < ARRAY_SIZE(bound); i++)
 		bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i % 4) + 1;
 
-	seq_printf(file, "\nPhy %d\n", ext_phy);
+	seq_printf(file, "\nPhy %d, Phy band %d\n", ext_phy, phy->band_idx);
 
 	seq_printf(file, "Length: %8d | ", bound[0]);
 	for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
@@ -432,7 +561,7 @@ mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,
 			   bound[i] + 1, bound[i + 1]);
 
 	seq_puts(file, "\nCount:  ");
-	n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
+	n = phy->band_idx ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
 	for (i = 0; i < ARRAY_SIZE(bound); i++)
 		seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + n]);
 	seq_puts(file, "\n");
@@ -521,14 +650,14 @@ mt7915_tx_stats_show(struct seq_file *file, void *data)
 DEFINE_SHOW_ATTRIBUTE(mt7915_tx_stats);
 
 static void
-mt7915_hw_queue_read(struct seq_file *s, u32 base, u32 size,
+mt7915_hw_queue_read(struct seq_file *s, u32 size,
 		     const struct hw_queue_map *map)
 {
 	struct mt7915_phy *phy = s->private;
 	struct mt7915_dev *dev = phy->dev;
 	u32 i, val;
 
-	val = mt76_rr(dev, base + MT_FL_Q_EMPTY);
+	val = mt76_rr(dev, MT_FL_Q_EMPTY);
 	for (i = 0; i < size; i++) {
 		u32 ctrl, head, tail, queued;
 
@@ -536,13 +665,13 @@ mt7915_hw_queue_read(struct seq_file *s, u32 base, u32 size,
 			continue;
 
 		ctrl = BIT(31) | (map[i].pid << 10) | (map[i].qid << 24);
-		mt76_wr(dev, base + MT_FL_Q0_CTRL, ctrl);
+		mt76_wr(dev, MT_FL_Q0_CTRL, ctrl);
 
-		head = mt76_get_field(dev, base + MT_FL_Q2_CTRL,
+		head = mt76_get_field(dev, MT_FL_Q2_CTRL,
 				      GENMASK(11, 0));
-		tail = mt76_get_field(dev, base + MT_FL_Q2_CTRL,
+		tail = mt76_get_field(dev, MT_FL_Q2_CTRL,
 				      GENMASK(27, 16));
-		queued = mt76_get_field(dev, base + MT_FL_Q3_CTRL,
+		queued = mt76_get_field(dev, MT_FL_Q3_CTRL,
 					GENMASK(11, 0));
 
 		seq_printf(s, "\t%s: ", map[i].name);
@@ -570,8 +699,8 @@ mt7915_sta_hw_queue_read(void *data, struct ieee80211_sta *sta)
 		if (val & BIT(offs))
 			continue;
 
-		mt76_wr(dev, MT_PLE_BASE + MT_FL_Q0_CTRL, ctrl | msta->wcid.idx);
-		qlen = mt76_get_field(dev, MT_PLE_BASE + MT_FL_Q3_CTRL,
+		mt76_wr(dev, MT_FL_Q0_CTRL, ctrl | msta->wcid.idx);
+		qlen = mt76_get_field(dev, MT_FL_Q3_CTRL,
 				      GENMASK(11, 0));
 		seq_printf(s, "\tSTA %pM wcid %d: AC%d%d queued:%d\n",
 			   sta->addr, msta->wcid.idx,
@@ -633,7 +762,7 @@ mt7915_hw_queues_show(struct seq_file *file, void *data)
 		   val, head, tail);
 
 	seq_puts(file, "PLE non-empty queue info:\n");
-	mt7915_hw_queue_read(file, MT_PLE_BASE, ARRAY_SIZE(ple_queue_map),
+	mt7915_hw_queue_read(file, ARRAY_SIZE(ple_queue_map),
 			     &ple_queue_map[0]);
 
 	/* iterate per-sta ple queue */
@@ -641,7 +770,7 @@ mt7915_hw_queues_show(struct seq_file *file, void *data)
 					  mt7915_sta_hw_queue_read, file);
 	/* pse queue */
 	seq_puts(file, "PSE non-empty queue info:\n");
-	mt7915_hw_queue_read(file, MT_PSE_BASE, ARRAY_SIZE(pse_queue_map),
+	mt7915_hw_queue_read(file, ARRAY_SIZE(pse_queue_map),
 			     &pse_queue_map[0]);
 
 	return 0;
@@ -757,6 +886,7 @@ int mt7915_init_debugfs(struct mt7915_phy *phy)
 	debugfs_create_file("tx_stats", 0400, dir, phy, &mt7915_tx_stats_fops);
 	debugfs_create_file("fw_debug_wm", 0600, dir, dev, &fops_fw_debug_wm);
 	debugfs_create_file("fw_debug_wa", 0600, dir, dev, &fops_fw_debug_wa);
+	debugfs_create_file("fw_debug_bin", 0600, dir, dev, &fops_fw_debug_bin);
 	debugfs_create_file("fw_util_wm", 0400, dir, dev,
 			    &mt7915_fw_util_wm_fops);
 	debugfs_create_file("fw_util_wa", 0400, dir, dev,
@@ -768,16 +898,77 @@ int mt7915_init_debugfs(struct mt7915_phy *phy)
 	debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir,
 				    mt7915_twt_stats);
 	debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger);
-	if (!dev->dbdc_support || ext_phy) {
+	if (!dev->dbdc_support || phy->band_idx) {
 		debugfs_create_u32("dfs_hw_pattern", 0400, dir,
 				   &dev->hw_pattern);
 		debugfs_create_file("radar_trigger", 0200, dir, dev,
 				    &fops_radar_trigger);
+		debugfs_create_devm_seqfile(dev->mt76.dev, "rdd_monitor", dir,
+					    mt7915_rdd_monitor);
 	}
 
+	if (!ext_phy)
+		dev->debugfs_dir = dir;
+
 	return 0;
 }
 
+static void
+mt7915_debugfs_write_fwlog(struct mt7915_dev *dev, const void *hdr, int hdrlen,
+			 const void *data, int len)
+{
+	static DEFINE_SPINLOCK(lock);
+	unsigned long flags;
+	void *dest;
+
+	spin_lock_irqsave(&lock, flags);
+	dest = relay_reserve(dev->relay_fwlog, hdrlen + len + 4);
+	if (dest) {
+		*(u32 *)dest = hdrlen + len;
+		dest += 4;
+
+		if (hdrlen) {
+			memcpy(dest, hdr, hdrlen);
+			dest += hdrlen;
+		}
+
+		memcpy(dest, data, len);
+		relay_flush(dev->relay_fwlog);
+	}
+	spin_unlock_irqrestore(&lock, flags);
+}
+
+void mt7915_debugfs_rx_fw_monitor(struct mt7915_dev *dev, const void *data, int len)
+{
+	struct {
+		__le32 magic;
+		__le32 timestamp;
+		__le16 msg_type;
+		__le16 len;
+	} hdr = {
+		.magic = cpu_to_le32(FW_BIN_LOG_MAGIC),
+		.msg_type = cpu_to_le16(PKT_TYPE_RX_FW_MONITOR),
+	};
+
+	if (!dev->relay_fwlog)
+		return;
+
+	hdr.timestamp = cpu_to_le32(mt76_rr(dev, MT_LPON_FRCR(0)));
+	hdr.len = *(__le16 *)data;
+	mt7915_debugfs_write_fwlog(dev, &hdr, sizeof(hdr), data, len);
+}
+
+bool mt7915_debugfs_rx_log(struct mt7915_dev *dev, const void *data, int len)
+{
+	if (get_unaligned_le32(data) != FW_BIN_LOG_MAGIC)
+		return false;
+
+	if (dev->relay_fwlog)
+		mt7915_debugfs_write_fwlog(dev, NULL, 0, data, len);
+
+	return true;
+}
+
 #ifdef CONFIG_MAC80211_DEBUGFS
 /** per-station debugfs **/