From 1966a5078f2d2dcebb40beff632755ab155abfc9 Mon Sep 17 00:00:00 2001 From: MeiChia Chiu Date: Wed, 15 Dec 2021 16:45:30 +0800 Subject: [PATCH] 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: Money Wang Reviewed-by: Ryder Lee Signed-off-by: MeiChia Chiu Signed-off-by: Felix Fietkau --- .../wireless/mediatek/mt76/mt76_connac_mcu.h | 1 + .../wireless/mediatek/mt76/mt7915/debugfs.c | 223 +++++++++++++++++- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 41 ++++ .../net/wireless/mediatek/mt76/mt7915/mcu.h | 44 ++++ .../wireless/mediatek/mt76/mt7915/mt7915.h | 3 + 5 files changed, 311 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h index 2b7db7b467cb..5baf8370b7bd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h @@ -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 { diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index 4c5a572cea92..e96d1c31dd36 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -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, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index a03dafd698ac..0911b6f973b5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -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 { diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h index 3ccded528965..92268e696931 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -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) +\ diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 7313a1602dbb..42d887383e8d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -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,