From patchwork Wed Dec 8 09:03:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: MeiChia Chiu X-Patchwork-Id: 12663925 X-Patchwork-Delegate: nbd@nbd.name Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8DD8C433F5 for ; Wed, 8 Dec 2021 09:03:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230143AbhLHJHR (ORCPT ); Wed, 8 Dec 2021 04:07:17 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:33600 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S229648AbhLHJHR (ORCPT ); Wed, 8 Dec 2021 04:07:17 -0500 X-UUID: 4229a88d9b2a41fba641c918d40f4990-20211208 X-UUID: 4229a88d9b2a41fba641c918d40f4990-20211208 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1375779130; Wed, 08 Dec 2021 17:03:42 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 8 Dec 2021 17:03:42 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 8 Dec 2021 17:03:42 +0800 From: MeiChia Chiu To: Felix Fietkau CC: Lorenzo Bianconi , Shayne Chen , Evelyn Tsai , Ryder Lee , Money Wang , , , MeiChia Chiu Subject: [PATCH v2] mt76: mt7915: add mu-mimo and ofdma debugfs knobs Date: Wed, 8 Dec 2021 17:03:19 +0800 Message-ID: <20211208090319.19096-1-MeiChia.Chiu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: MeiChia Chiu 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 Reported-by: kernel test robot --- v2: -use u64 total_ppdu_cnt to avoid overflow -update commit message --- .../net/wireless/mediatek/mt76/mt7915/debugfs.c | 244 ++++++++++++++++++++++++++++++++++++++++++++++- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 41 ++++++++ .../net/wireless/mediatek/mt76/mt7915/mcu.h | 45 +++++++++ .../net/wireless/mediatek/mt76/mt7915/mt7915.h | 3 + 4 files changed, 332 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index a15aa256..4e8b721b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -81,6 +81,246 @@ 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_stat_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; + + 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; + +#define __ms_ratio(s) (!total_ppdu_cnt ? 0 : \ + le32_to_cpu(s) * 100 / total_ppdu_cnt) +#define __dl_u32(s) le32_to_cpu(mu_stats.dl.s) + /* Non-HE Downlink*/ + total_ppdu_cnt = __dl_u32(cck_cnt) + + __dl_u32(ofdm_cnt) + + __dl_u32(htmix_cnt) + + __dl_u32(htgf_cnt) + + __dl_u32(vht_su_cnt) + + __dl_u32(vht_2mu_cnt) + + __dl_u32(vht_3mu_cnt) + + __dl_u32(vht_4mu_cnt); + + seq_puts(file, "[Non-HE]\nDownlink\nData Type: "); + + for (i = 0; i < 5; i++) + seq_printf(file, "%8s | ", dl_non_he_type[i]); + + seq_puts(file, "\nTotal Cnt: "); + 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, "\nRatio : "); + seq_printf(file, "%7d%% | %7d%% | %7d%% | %7d%% | %7d%% | ", + __ms_ratio(mu_stats.dl.cck_cnt), + __ms_ratio(mu_stats.dl.ofdm_cnt), + __ms_ratio(mu_stats.dl.htmix_cnt), + __ms_ratio(mu_stats.dl.htgf_cnt), + __ms_ratio(mu_stats.dl.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 Cnt: "); + seq_printf(file, "%8u | %8u | %8u | ", + __dl_u32(vht_2mu_cnt), + __dl_u32(vht_3mu_cnt), + __dl_u32(vht_4mu_cnt)); + + seq_puts(file, "\nRatio : "); + seq_printf(file, "%7d%% | %7d%% | %7d%% | ", + __ms_ratio(mu_stats.dl.vht_2mu_cnt), + __ms_ratio(mu_stats.dl.vht_3mu_cnt), + __ms_ratio(mu_stats.dl.vht_4mu_cnt)); + + /* HE Downlink */ + total_ppdu_cnt = __dl_u32(he_su_cnt) + + __dl_u32(he_ext_su_cnt) + + __dl_u32(he_2mu_cnt) + + __dl_u32(he_3mu_cnt) + + __dl_u32(he_4mu_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); + + 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 Cnt: "); + seq_printf(file, "%8u | %8u | ", + __dl_u32(he_su_cnt), + __dl_u32(he_ext_su_cnt)); + + seq_puts(file, "\nRatio : "); + seq_printf(file, "%7d%% | %7d%% | ", + __ms_ratio(mu_stats.dl.he_su_cnt), + __ms_ratio(mu_stats.dl.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 Cnt: "); + seq_printf(file, "%8u | %8u | %8u | ", + __dl_u32(he_2mu_cnt), + __dl_u32(he_3mu_cnt), + __dl_u32(he_4mu_cnt)); + + seq_puts(file, "\nRatio : "); + seq_printf(file, "%7d%% | %7d%% | %7d%% | ", + __ms_ratio(mu_stats.dl.he_2mu_cnt), + __ms_ratio(mu_stats.dl.he_3mu_cnt), + __ms_ratio(mu_stats.dl.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 Cnt: "); + 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)); +#undef __dl_u32 + seq_puts(file, "\nRatio : "); + seq_printf(file, "%7d%% | %7d%% | %7d%% | %7d%% | %8d%% | %7d%% | ", + __ms_ratio(mu_stats.dl.he_2ru_cnt), + __ms_ratio(mu_stats.dl.he_3ru_cnt), + __ms_ratio(mu_stats.dl.he_4ru_cnt), + __ms_ratio(mu_stats.dl.he_5to8ru_cnt), + __ms_ratio(mu_stats.dl.he_9to16ru_cnt), + __ms_ratio(mu_stats.dl.he_gtr16ru_cnt)); + +#define __ul_u32(s) le32_to_cpu(mu_stats.ul.s) + /* HE Uplink */ + total_ppdu_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) + + __ul_u32(hetrig_su_cnt) + + __ul_u32(hetrig_2mu_cnt) + + __ul_u32(hetrig_3mu_cnt) + + __ul_u32(hetrig_4mu_cnt); + + seq_puts(file, "\n\nUplink\nData Type: "); + seq_puts(file, "\nTrigger-based Uplink MU-MIMO\nData Type: "); + + for (i = 0; i < 3; i++) + seq_printf(file, "%8s | ", ul_he_type[i]); + + seq_puts(file, "\nTotal Cnt: "); + seq_printf(file, "%8u | %8u | %8u | ", + __ul_u32(hetrig_2mu_cnt), + __ul_u32(hetrig_3mu_cnt), + __ul_u32(hetrig_4mu_cnt)); + + seq_puts(file, "\nRatio : "); + seq_printf(file, "%7d%% | %7d%% | %7d%% | ", + __ms_ratio(mu_stats.ul.hetrig_2mu_cnt), + __ms_ratio(mu_stats.ul.hetrig_3mu_cnt), + __ms_ratio(mu_stats.ul.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 Cnt: "); + 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)); +#undef __ul_u32 + + seq_puts(file, "\nRatio : "); + seq_printf(file, "%7d%% | %7d%% | %7d%% | %7d%% | %7d%% | %7d%% | %7d%% |\n", + __ms_ratio(mu_stats.ul.hetrig_su_cnt), + __ms_ratio(mu_stats.ul.hetrig_2ru_cnt), + __ms_ratio(mu_stats.ul.hetrig_3ru_cnt), + __ms_ratio(mu_stats.ul.hetrig_4ru_cnt), + __ms_ratio(mu_stats.ul.hetrig_5to8ru_cnt), + __ms_ratio(mu_stats.ul.hetrig_9to16ru_cnt), + __ms_ratio(mu_stats.ul.hetrig_gtr16ru_cnt)); +#undef __ms_ratio + +exit: + mutex_unlock(&dev->mt76.mutex); + + return ret; +} +DEFINE_SHOW_ATTRIBUTE(mt7915_muru_stat); + static int mt7915_fw_debug_wm_set(void *data, u64 val) { @@ -528,7 +768,9 @@ 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_stat", 0400, dir, phy, + &mt7915_muru_stat_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 73a11448..a32d2199 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -2993,6 +2993,47 @@ 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 4636b7dc..60b18457 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -44,6 +44,13 @@ 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, +}; + +/* tx cmd tx statistics */ +enum { + MURU_SET_TXC_TX_STATS_EN = 150, + MURU_GET_TXC_TX_STATS = 151, }; enum { @@ -206,6 +213,44 @@ 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) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index c6c846d1..81f1ab18 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -273,6 +273,7 @@ struct mt7915_dev { bool dbdc_support; bool flash_mode; + bool muru_debug; bool ibf; u8 fw_debug_wm; u8 fw_debug_wa; @@ -526,6 +527,8 @@ 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,