Commit 1966a507 authored by MeiChia Chiu's avatar MeiChia Chiu Committed by Felix Fietkau
Browse files

mt76: mt7915: add mu-mimo and ofdma debugfs knobs 



Add mu-mimo and ofdma packet counters statistics.
The statistics are clear on read.

Reviewed-by: default avatarMoney Wang <Money.Wang@mediatek.com>
Reviewed-by: default avatarRyder Lee <ryder.lee@mediatek.com>
Signed-off-by: default avatarMeiChia Chiu <meichia.chiu@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 6cf4392f

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h

+1 −0
Original line number Diff line number Diff line
@@ -798,6 +798,7 @@ enum { 
	MCU_EXT_EVENT_RDD_REPORT = 0x3a,

	MCU_EXT_EVENT_CSA_NOTIFY = 0x4f,

	MCU_EXT_EVENT_BCC_NOTIFY = 0x75,

	MCU_EXT_EVENT_MURU_CTRL = 0x9f,

};



enum {

drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c

+222 −1
Original line number Diff line number Diff line
@@ -81,6 +81,225 @@ mt7915_radar_trigger(void *data, u64 val) 
DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,

			 mt7915_radar_trigger, "%lld\n");



static int

mt7915_muru_debug_set(void *data, u64 val)

{

	struct mt7915_dev *dev = data;



	dev->muru_debug = val;

	mt7915_mcu_muru_debug_set(dev, data);



	return 0;

}



static int

mt7915_muru_debug_get(void *data, u64 *val)

{

	struct mt7915_dev *dev = data;



	*val = dev->muru_debug;



	return 0;

}



DEFINE_DEBUGFS_ATTRIBUTE(fops_muru_debug, mt7915_muru_debug_get,

			 mt7915_muru_debug_set, "%lld\n");



static int mt7915_muru_stats_show(struct seq_file *file, void *data)

{

	struct mt7915_phy *phy = file->private;

	struct mt7915_dev *dev = phy->dev;

	struct mt7915_mcu_muru_stats mu_stats = {};

	static const char * const dl_non_he_type[] = {

		"CCK", "OFDM", "HT MIX", "HT GF",

		"VHT SU", "VHT 2MU", "VHT 3MU", "VHT 4MU"

	};

	static const char * const dl_he_type[] = {

		"HE SU", "HE EXT", "HE 2MU", "HE 3MU", "HE 4MU",

		"HE 2RU", "HE 3RU", "HE 4RU", "HE 5-8RU", "HE 9-16RU",

		"HE >16RU"

	};

	static const char * const ul_he_type[] = {

		"HE 2MU", "HE 3MU", "HE 4MU", "HE SU", "HE 2RU",

		"HE 3RU", "HE 4RU", "HE 5-8RU", "HE 9-16RU", "HE >16RU"

	};

	int ret, i;

	u64 total_ppdu_cnt, sub_total_cnt;



	if (!dev->muru_debug) {

		seq_puts(file, "Please enable muru_debug first.\n");

		return 0;

	}



	mutex_lock(&dev->mt76.mutex);



	ret = mt7915_mcu_muru_debug_get(phy, &mu_stats);

	if (ret)

		goto exit;



	/* Non-HE Downlink*/

	seq_puts(file, "[Non-HE]\nDownlink\nData Type:  ");



	for (i = 0; i < 5; i++)

		seq_printf(file, "%8s | ", dl_non_he_type[i]);



#define __dl_u32(s)     le32_to_cpu(mu_stats.dl.s)

	seq_puts(file, "\nTotal Count:");

	seq_printf(file, "%8u | %8u | %8u | %8u | %8u | ",

		   __dl_u32(cck_cnt),

		   __dl_u32(ofdm_cnt),

		   __dl_u32(htmix_cnt),

		   __dl_u32(htgf_cnt),

		   __dl_u32(vht_su_cnt));



	seq_puts(file, "\nDownlink MU-MIMO\nData Type:  ");



	for (i = 5; i < 8; i++)

		seq_printf(file, "%8s | ", dl_non_he_type[i]);



	seq_puts(file, "\nTotal Count:");

	seq_printf(file, "%8u | %8u | %8u | ",

		   __dl_u32(vht_2mu_cnt),

		   __dl_u32(vht_3mu_cnt),

		   __dl_u32(vht_4mu_cnt));



	sub_total_cnt = __dl_u32(vht_2mu_cnt) +

		__dl_u32(vht_3mu_cnt) +

		__dl_u32(vht_4mu_cnt);



	seq_printf(file, "\nTotal non-HE MU-MIMO DL PPDU count: %lld",

		   sub_total_cnt);



	total_ppdu_cnt = sub_total_cnt +

		__dl_u32(cck_cnt) +

		__dl_u32(ofdm_cnt) +

		__dl_u32(htmix_cnt) +

		__dl_u32(htgf_cnt) +

		__dl_u32(vht_su_cnt);



	seq_printf(file, "\nAll non-HE DL PPDU count: %lld", total_ppdu_cnt);



	/* HE Downlink */

	seq_puts(file, "\n\n[HE]\nDownlink\nData Type:  ");



	for (i = 0; i < 2; i++)

		seq_printf(file, "%8s | ", dl_he_type[i]);



	seq_puts(file, "\nTotal Count:");

	seq_printf(file, "%8u | %8u | ",

		   __dl_u32(he_su_cnt),

		   __dl_u32(he_ext_su_cnt));



	seq_puts(file, "\nDownlink MU-MIMO\nData Type:  ");



	for (i = 2; i < 5; i++)

		seq_printf(file, "%8s | ", dl_he_type[i]);



	seq_puts(file, "\nTotal Count:");

	seq_printf(file, "%8u | %8u | %8u | ",

		   __dl_u32(he_2mu_cnt),

		   __dl_u32(he_3mu_cnt),

		   __dl_u32(he_4mu_cnt));



	seq_puts(file, "\nDownlink OFDMA\nData Type:  ");



	for (i = 5; i < 11; i++)

		seq_printf(file, "%8s | ", dl_he_type[i]);



	seq_puts(file, "\nTotal Count:");

	seq_printf(file, "%8u | %8u | %8u | %8u | %9u | %8u | ",

		   __dl_u32(he_2ru_cnt),

		   __dl_u32(he_3ru_cnt),

		   __dl_u32(he_4ru_cnt),

		   __dl_u32(he_5to8ru_cnt),

		   __dl_u32(he_9to16ru_cnt),

		   __dl_u32(he_gtr16ru_cnt));



	sub_total_cnt = __dl_u32(he_2mu_cnt) +

		__dl_u32(he_3mu_cnt) +

		__dl_u32(he_4mu_cnt);

	total_ppdu_cnt = sub_total_cnt;



	seq_printf(file, "\nTotal HE MU-MIMO DL PPDU count: %lld",

		   sub_total_cnt);



	sub_total_cnt = __dl_u32(he_2ru_cnt) +

		__dl_u32(he_3ru_cnt) +

		__dl_u32(he_4ru_cnt) +

		__dl_u32(he_5to8ru_cnt) +

		__dl_u32(he_9to16ru_cnt) +

		__dl_u32(he_gtr16ru_cnt);

	total_ppdu_cnt += sub_total_cnt;



	seq_printf(file, "\nTotal HE OFDMA DL PPDU count: %lld",

		   sub_total_cnt);



	total_ppdu_cnt += __dl_u32(he_su_cnt) +

		__dl_u32(he_ext_su_cnt);



	seq_printf(file, "\nAll HE DL PPDU count: %lld", total_ppdu_cnt);

#undef __dl_u32



	/* HE Uplink */

	seq_puts(file, "\n\nUplink");

	seq_puts(file, "\nTrigger-based Uplink MU-MIMO\nData Type:  ");



	for (i = 0; i < 3; i++)

		seq_printf(file, "%8s | ", ul_he_type[i]);



#define __ul_u32(s)     le32_to_cpu(mu_stats.ul.s)

	seq_puts(file, "\nTotal Count:");

	seq_printf(file, "%8u | %8u | %8u | ",

		   __ul_u32(hetrig_2mu_cnt),

		   __ul_u32(hetrig_3mu_cnt),

		   __ul_u32(hetrig_4mu_cnt));



	seq_puts(file, "\nTrigger-based Uplink OFDMA\nData Type:  ");



	for (i = 3; i < 10; i++)

		seq_printf(file, "%8s | ", ul_he_type[i]);



	seq_puts(file, "\nTotal Count:");

	seq_printf(file, "%8u | %8u | %8u | %8u | %8u | %9u |  %7u | ",

		   __ul_u32(hetrig_su_cnt),

		   __ul_u32(hetrig_2ru_cnt),

		   __ul_u32(hetrig_3ru_cnt),

		   __ul_u32(hetrig_4ru_cnt),

		   __ul_u32(hetrig_5to8ru_cnt),

		   __ul_u32(hetrig_9to16ru_cnt),

		   __ul_u32(hetrig_gtr16ru_cnt));



	sub_total_cnt = __ul_u32(hetrig_2mu_cnt) +

		__ul_u32(hetrig_3mu_cnt) +

		__ul_u32(hetrig_4mu_cnt);

	total_ppdu_cnt = sub_total_cnt;



	seq_printf(file, "\nTotal HE MU-MIMO UL TB PPDU count: %lld",

		   sub_total_cnt);



	sub_total_cnt = __ul_u32(hetrig_2ru_cnt) +

		__ul_u32(hetrig_3ru_cnt) +

		__ul_u32(hetrig_4ru_cnt) +

		__ul_u32(hetrig_5to8ru_cnt) +

		__ul_u32(hetrig_9to16ru_cnt) +

		__ul_u32(hetrig_gtr16ru_cnt);

	total_ppdu_cnt += sub_total_cnt;



	seq_printf(file, "\nTotal HE OFDMA UL TB PPDU count: %lld",

		   sub_total_cnt);



	total_ppdu_cnt += __ul_u32(hetrig_su_cnt);



	seq_printf(file, "\nAll HE UL TB PPDU count: %lld\n", total_ppdu_cnt);

#undef __ul_u32



exit:

	mutex_unlock(&dev->mt76.mutex);



	return ret;

}

DEFINE_SHOW_ATTRIBUTE(mt7915_muru_stats);



static int

mt7915_fw_debug_wm_set(void *data, u64 val)

{
@@ -528,7 +747,9 @@ int mt7915_init_debugfs(struct mt7915_phy *phy) 
	dir = mt76_register_debugfs_fops(phy->mt76, NULL);

	if (!dir)

		return -ENOMEM;



	debugfs_create_file("muru_debug", 0600, dir, dev, &fops_muru_debug);

	debugfs_create_file("muru_stats", 0400, dir, phy,

			    &mt7915_muru_stats_fops);

	debugfs_create_file("hw-queues", 0400, dir, phy,

			    &mt7915_hw_queues_fops);

	debugfs_create_file("xmit-queues", 0400, dir, phy,

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

+41 −0
Original line number Diff line number Diff line
@@ -2994,6 +2994,47 @@ int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level) 
				 sizeof(data), false);

}



int mt7915_mcu_muru_debug_set(struct mt7915_dev *dev, bool enabled)

{

	struct {

		__le32 cmd;

		u8 enable;

	} data = {

		.cmd = cpu_to_le32(MURU_SET_TXC_TX_STATS_EN),

		.enable = enabled,

	};



	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(MURU_CTRL), &data,

				sizeof(data), false);

}



int mt7915_mcu_muru_debug_get(struct mt7915_phy *phy, void *ms)

{

	struct mt7915_dev *dev = phy->dev;

	struct sk_buff *skb;

	struct mt7915_mcu_muru_stats *mu_stats =

				(struct mt7915_mcu_muru_stats *)ms;

	int ret;



	struct {

		__le32 cmd;

		u8 band_idx;

	} req = {

		.cmd = cpu_to_le32(MURU_GET_TXC_TX_STATS),

		.band_idx = phy != &dev->phy,

	};



	ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_CMD(MURU_CTRL),

					&req, sizeof(req), true, &skb);

	if (ret)

		return ret;



	memcpy(mu_stats, skb->data, sizeof(struct mt7915_mcu_muru_stats));

	dev_kfree_skb(skb);



	return 0;

}



static int mt7915_mcu_set_mwds(struct mt7915_dev *dev, bool enabled)

{

	struct {

drivers/net/wireless/mediatek/mt76/mt7915/mcu.h

+44 −0
Original line number Diff line number Diff line
@@ -185,6 +185,44 @@ struct mt7915_mcu_tx { 
	struct edca edca[IEEE80211_NUM_ACS];

} __packed;



struct mt7915_mcu_muru_stats {

	__le32 event_id;

	struct {

		__le32 cck_cnt;

		__le32 ofdm_cnt;

		__le32 htmix_cnt;

		__le32 htgf_cnt;

		__le32 vht_su_cnt;

		__le32 vht_2mu_cnt;

		__le32 vht_3mu_cnt;

		__le32 vht_4mu_cnt;

		__le32 he_su_cnt;

		__le32 he_ext_su_cnt;

		__le32 he_2ru_cnt;

		__le32 he_2mu_cnt;

		__le32 he_3ru_cnt;

		__le32 he_3mu_cnt;

		__le32 he_4ru_cnt;

		__le32 he_4mu_cnt;

		__le32 he_5to8ru_cnt;

		__le32 he_9to16ru_cnt;

		__le32 he_gtr16ru_cnt;

	} dl;



	struct {

		__le32 hetrig_su_cnt;

		__le32 hetrig_2ru_cnt;

		__le32 hetrig_3ru_cnt;

		__le32 hetrig_4ru_cnt;

		__le32 hetrig_5to8ru_cnt;

		__le32 hetrig_9to16ru_cnt;

		__le32 hetrig_gtr16ru_cnt;

		__le32 hetrig_2mu_cnt;

		__le32 hetrig_3mu_cnt;

		__le32 hetrig_4mu_cnt;

	} ul;

};



#define WMM_AIFS_SET		BIT(0)

#define WMM_CW_MIN_SET		BIT(1)

#define WMM_CW_MAX_SET		BIT(2)
@@ -414,6 +452,12 @@ enum { 
	MURU_PLATFORM_TYPE_PERF_LEVEL_2,

};



/* tx cmd tx statistics */

enum {

	MURU_SET_TXC_TX_STATS_EN = 150,

	MURU_GET_TXC_TX_STATS = 151,

};



#define MT7915_BSS_UPDATE_MAX_SIZE	(sizeof(struct sta_req_hdr) +	\

					 sizeof(struct bss_info_omac) +	\

					 sizeof(struct bss_info_basic) +\

drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h

+3 −0
Original line number Diff line number Diff line
@@ -270,6 +270,7 @@ struct mt7915_dev { 


	bool dbdc_support;

	bool flash_mode;

	bool muru_debug;

	bool ibf;

	u8 fw_debug_wm;

	u8 fw_debug_wa;
@@ -510,6 +511,8 @@ int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy); 
void mt7915_set_stream_he_caps(struct mt7915_phy *phy);

void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy);

void mt7915_update_channel(struct mt76_phy *mphy);

int mt7915_mcu_muru_debug_set(struct mt7915_dev *dev, bool enable);

int mt7915_mcu_muru_debug_get(struct mt7915_phy *phy, void *ms);

int mt7915_init_debugfs(struct mt7915_phy *phy);

#ifdef CONFIG_MAC80211_DEBUGFS

void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,