From patchwork Tue Nov 22 08:45:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shayne Chen X-Patchwork-Id: 628294 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 A2708C43217 for ; Tue, 22 Nov 2022 08:52:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232966AbiKVIwL (ORCPT ); Tue, 22 Nov 2022 03:52:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232254AbiKVIwH (ORCPT ); Tue, 22 Nov 2022 03:52:07 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19EA22F00B for ; Tue, 22 Nov 2022 00:52:04 -0800 (PST) X-UUID: 2823b4249646437fb48f3983e64670bb-20221122 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=9C6acqONXDmgqPwAJculx9Re4XjiOziwGNvHPbZeXuM=; b=ePKJZuIIRh7/40Ya1qVf/bae3BeBZEF89Jtr4xV0+0oynDiIYyn5Jtc7LSOha39dp1MxxyIEOS0o1LQx5idSGITLNnhAeewK2fTHWXqgyVVFGwK4nf0s4epvLyTeyvqQfvNy+LDAOU1MWt9/cQlYgyWZFCejq4WqEyH4NdV+Cz0=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.13, REQID:8ba818aa-b841-4380-aaf4-35fd008a22ca, IP:0, U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:90 X-CID-INFO: VERSION:1.1.13, REQID:8ba818aa-b841-4380-aaf4-35fd008a22ca, IP:0, URL :0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTIO N:quarantine,TS:90 X-CID-META: VersionHash:d12e911, CLOUDID:dd367b2f-2938-482e-aafd-98d66723b8a9, B ulkID:221122165202L33PTLSL,BulkQuantity:0,Recheck:0,SF:28|17|19|48,TC:nil, Content:0,EDM:-3,IP:nil,URL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 2823b4249646437fb48f3983e64670bb-20221122 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1569209857; Tue, 22 Nov 2022 16:52:00 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Tue, 22 Nov 2022 16:51:58 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 22 Nov 2022 16:51:58 +0800 From: Shayne Chen To: Felix Fietkau CC: linux-wireless , Lorenzo Bianconi , Ryder Lee , Evelyn Tsai , Bo Jiao , linux-mediatek , Shayne Chen Subject: [PATCH 7/9] wifi: mt76: mt7996: add debugfs support Date: Tue, 22 Nov 2022 16:45:52 +0800 Message-ID: <20221122084554.9494-8-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20221122084554.9494-1-shayne.chen@mediatek.com> References: <20221122084554.9494-1-shayne.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org (Split the big patch into smaller intermediate patches by functionality for easier review. Refer to the cover letter for more info.) Signed-off-by: Shayne Chen --- .../wireless/mediatek/mt76/mt7996/debugfs.c | 851 ++++++++++++++++++ 1 file changed, 851 insertions(+) create mode 100644 drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c new file mode 100644 index 000000000000..0a122264a858 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c @@ -0,0 +1,851 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (C) 2022 MediaTek Inc. + */ + +#include +#include "mt7996.h" +#include "eeprom.h" +#include "mcu.h" +#include "mac.h" + +#define FW_BIN_LOG_MAGIC 0x44d9c99a + +/** global debugfs **/ + +struct hw_queue_map { + const char *name; + u8 index; + u8 pid; + u8 qid; +}; + +static int +mt7996_implicit_txbf_set(void *data, u64 val) +{ + struct mt7996_dev *dev = data; + + /* The existing connected stations shall reconnect to apply + * new implicit txbf configuration. + */ + dev->ibf = !!val; + + return mt7996_mcu_set_txbf(dev, BF_HW_EN_UPDATE); +} + +static int +mt7996_implicit_txbf_get(void *data, u64 *val) +{ + struct mt7996_dev *dev = data; + + *val = dev->ibf; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, mt7996_implicit_txbf_get, + mt7996_implicit_txbf_set, "%lld\n"); + +/* test knob of system error recovery */ +static ssize_t +mt7996_fw_ser_set(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct mt7996_phy *phy = file->private_data; + struct mt7996_dev *dev = phy->dev; + u8 band_idx = phy->mt76->band_idx; + char buf[16]; + int ret = 0; + u16 val; + + if (count >= sizeof(buf)) + return -EINVAL; + + if (copy_from_user(buf, user_buf, count)) + return -EFAULT; + + if (count && buf[count - 1] == '\n') + buf[count - 1] = '\0'; + else + buf[count] = '\0'; + + if (kstrtou16(buf, 0, &val)) + return -EINVAL; + + switch (val) { + case SER_SET_RECOVER_L1: + case SER_SET_RECOVER_L2: + case SER_SET_RECOVER_L3_RX_ABORT: + case SER_SET_RECOVER_L3_TX_ABORT: + case SER_SET_RECOVER_L3_TX_DISABLE: + case SER_SET_RECOVER_L3_BF: + ret = mt7996_mcu_set_ser(dev, SER_ENABLE, BIT(val), band_idx); + if (ret) + return ret; + + ret = mt7996_mcu_set_ser(dev, SER_RECOVER, val, band_idx); + break; + default: + break; + } + + return ret ? ret : count; +} + +static const struct file_operations mt7996_fw_ser_ops = { + .write = mt7996_fw_ser_set, + /* TODO: ser read */ + .open = simple_open, + .llseek = default_llseek, +}; + +static int +mt7996_radar_trigger(void *data, u64 val) +{ + struct mt7996_dev *dev = data; + + if (val > MT_RX_SEL2) + return -EINVAL; + + return mt7996_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, + val, 0, 0); +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL, + mt7996_radar_trigger, "%lld\n"); + +static int +mt7996_rdd_monitor(struct seq_file *s, void *data) +{ + struct mt7996_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 +mt7996_fw_debug_wm_set(void *data, u64 val) +{ + struct mt7996_dev *dev = data; + enum { + DEBUG_TXCMD = 62, + DEBUG_CMD_RPT_TX, + DEBUG_CMD_RPT_TRIG, + DEBUG_SPL, + DEBUG_RPT_RX, + DEBUG_RPT_RA = 68, + } debug; + bool tx, rx, en; + int ret; + + dev->fw_debug_wm = val ? MCU_FW_LOG_TO_HOST : 0; + + if (dev->fw_debug_bin) + val = MCU_FW_LOG_RELAY; + 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 = mt7996_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, val); + if (ret) + return ret; + + for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RA; debug++) { + if (debug == 67) + continue; + + if (debug == DEBUG_RPT_RX) + val = en && rx; + else + val = en && tx; + + ret = mt7996_mcu_fw_dbg_ctrl(dev, debug, val); + if (ret) + return ret; + } + + return 0; +} + +static int +mt7996_fw_debug_wm_get(void *data, u64 *val) +{ + struct mt7996_dev *dev = data; + + *val = dev->fw_debug_wm; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wm, mt7996_fw_debug_wm_get, + mt7996_fw_debug_wm_set, "%lld\n"); + +static int +mt7996_fw_debug_wa_set(void *data, u64 val) +{ + struct mt7996_dev *dev = data; + int ret; + + dev->fw_debug_wa = val ? MCU_FW_LOG_TO_HOST : 0; + + ret = mt7996_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, dev->fw_debug_wa); + if (ret) + return ret; + + return mt7996_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), MCU_WA_PARAM_PDMA_RX, + !!dev->fw_debug_wa, 0); +} + +static int +mt7996_fw_debug_wa_get(void *data, u64 *val) +{ + struct mt7996_dev *dev = data; + + *val = dev->fw_debug_wa; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wa, mt7996_fw_debug_wa_get, + mt7996_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 +mt7996_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 mt7996_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 mt7996_fw_debug_wm_set(dev, dev->fw_debug_wm); +} + +static int +mt7996_fw_debug_bin_get(void *data, u64 *val) +{ + struct mt7996_dev *dev = data; + + *val = dev->fw_debug_bin; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_bin, mt7996_fw_debug_bin_get, + mt7996_fw_debug_bin_set, "%lld\n"); + +static int +mt7996_fw_util_wa_show(struct seq_file *file, void *data) +{ + struct mt7996_dev *dev = file->private; + + if (dev->fw_debug_wa) + return mt7996_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(QUERY), + MCU_WA_PARAM_CPU_UTIL, 0, 0); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(mt7996_fw_util_wa); + +static void +mt7996_ampdu_stat_read_phy(struct mt7996_phy *phy, struct seq_file *file) +{ + struct mt7996_dev *dev = phy->dev; + int bound[15], range[8], i; + u8 band_idx = phy->mt76->band_idx; + + /* Tx ampdu stat */ + for (i = 0; i < ARRAY_SIZE(range); i++) + range[i] = mt76_rr(dev, MT_MIB_ARNG(band_idx, i)); + + for (i = 0; i < ARRAY_SIZE(bound); i++) + bound[i] = MT_MIB_ARNCR_RANGE(range[i / 2], i % 2) + 1; + + seq_printf(file, "\nPhy %s, Phy band %d\n", + wiphy_name(phy->mt76->hw->wiphy), band_idx); + + seq_printf(file, "Length: %8d | ", bound[0]); + for (i = 0; i < ARRAY_SIZE(bound) - 1; i++) + seq_printf(file, "%3d -%3d | ", + bound[i] + 1, bound[i + 1]); + + seq_puts(file, "\nCount: "); + for (i = 0; i < ARRAY_SIZE(bound); i++) + seq_printf(file, "%8d | ", phy->mt76->aggr_stats[i]); + seq_puts(file, "\n"); + + seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt); +} + +static void +mt7996_txbf_stat_read_phy(struct mt7996_phy *phy, struct seq_file *s) +{ + static const char * const bw[] = { + "BW20", "BW40", "BW80", "BW160" + }; + struct mib_stats *mib = &phy->mib; + + /* Tx Beamformer monitor */ + seq_puts(s, "\nTx Beamformer applied PPDU counts: "); + + seq_printf(s, "iBF: %d, eBF: %d\n", + mib->tx_bf_ibf_ppdu_cnt, + mib->tx_bf_ebf_ppdu_cnt); + + /* Tx Beamformer Rx feedback monitor */ + seq_puts(s, "Tx Beamformer Rx feedback statistics: "); + + seq_printf(s, "All: %d, HE: %d, VHT: %d, HT: %d, ", + mib->tx_bf_rx_fb_all_cnt, + mib->tx_bf_rx_fb_he_cnt, + mib->tx_bf_rx_fb_vht_cnt, + mib->tx_bf_rx_fb_ht_cnt); + + seq_printf(s, "%s, NC: %d, NR: %d\n", + bw[mib->tx_bf_rx_fb_bw], + mib->tx_bf_rx_fb_nc_cnt, + mib->tx_bf_rx_fb_nr_cnt); + + /* Tx Beamformee Rx NDPA & Tx feedback report */ + seq_printf(s, "Tx Beamformee successful feedback frames: %d\n", + mib->tx_bf_fb_cpl_cnt); + seq_printf(s, "Tx Beamformee feedback triggered counts: %d\n", + mib->tx_bf_fb_trig_cnt); + + /* Tx SU & MU counters */ + seq_printf(s, "Tx multi-user Beamforming counts: %d\n", + mib->tx_mu_bf_cnt); + seq_printf(s, "Tx multi-user MPDU counts: %d\n", mib->tx_mu_mpdu_cnt); + seq_printf(s, "Tx multi-user successful MPDU counts: %d\n", + mib->tx_mu_acked_mpdu_cnt); + seq_printf(s, "Tx single-user successful MPDU counts: %d\n", + mib->tx_su_acked_mpdu_cnt); + + seq_puts(s, "\n"); +} + +static int +mt7996_tx_stats_show(struct seq_file *file, void *data) +{ + struct mt7996_phy *phy = file->private; + struct mt7996_dev *dev = phy->dev; + struct mib_stats *mib = &phy->mib; + int i; + u32 attempts, success, per; + + mutex_lock(&dev->mt76.mutex); + + mt7996_mac_update_stats(phy); + mt7996_ampdu_stat_read_phy(phy, file); + + attempts = mib->tx_mpdu_attempts_cnt; + success = mib->tx_mpdu_success_cnt; + per = attempts ? 100 - success * 100 / attempts : 100; + seq_printf(file, "Tx attempts: %8u (MPDUs)\n", attempts); + seq_printf(file, "Tx success: %8u (MPDUs)\n", success); + seq_printf(file, "Tx PER: %u%%\n", per); + + mt7996_txbf_stat_read_phy(phy, file); + + /* Tx amsdu info */ + seq_puts(file, "Tx MSDU statistics:\n"); + for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) { + seq_printf(file, "AMSDU pack count of %d MSDU in TXD: %8d ", + i + 1, mib->tx_amsdu[i]); + if (mib->tx_amsdu_cnt) + seq_printf(file, "(%3d%%)\n", + mib->tx_amsdu[i] * 100 / mib->tx_amsdu_cnt); + else + seq_puts(file, "\n"); + } + + mutex_unlock(&dev->mt76.mutex); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(mt7996_tx_stats); + +static void +mt7996_hw_queue_read(struct seq_file *s, u32 size, + const struct hw_queue_map *map) +{ + struct mt7996_phy *phy = s->private; + struct mt7996_dev *dev = phy->dev; + u32 i, val; + + val = mt76_rr(dev, MT_FL_Q_EMPTY); + for (i = 0; i < size; i++) { + u32 ctrl, head, tail, queued; + + if (val & BIT(map[i].index)) + continue; + + ctrl = BIT(31) | (map[i].pid << 10) | (map[i].qid << 24); + mt76_wr(dev, MT_FL_Q0_CTRL, ctrl); + + head = mt76_get_field(dev, MT_FL_Q2_CTRL, + GENMASK(11, 0)); + tail = mt76_get_field(dev, MT_FL_Q2_CTRL, + GENMASK(27, 16)); + queued = mt76_get_field(dev, MT_FL_Q3_CTRL, + GENMASK(11, 0)); + + seq_printf(s, "\t%s: ", map[i].name); + seq_printf(s, "queued:0x%03x head:0x%03x tail:0x%03x\n", + queued, head, tail); + } +} + +static void +mt7996_sta_hw_queue_read(void *data, struct ieee80211_sta *sta) +{ + struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; + struct mt7996_dev *dev = msta->vif->phy->dev; + struct seq_file *s = data; + u8 ac; + + for (ac = 0; ac < 4; ac++) { + u32 qlen, ctrl, val; + u32 idx = msta->wcid.idx >> 5; + u8 offs = msta->wcid.idx & GENMASK(4, 0); + + ctrl = BIT(31) | BIT(11) | (ac << 24); + val = mt76_rr(dev, MT_PLE_AC_QEMPTY(ac, idx)); + + if (val & BIT(offs)) + continue; + + 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, + msta->vif->mt76.wmm_idx, ac, qlen); + } +} + +static int +mt7996_hw_queues_show(struct seq_file *file, void *data) +{ + struct mt7996_phy *phy = file->private; + struct mt7996_dev *dev = phy->dev; + static const struct hw_queue_map ple_queue_map[] = { + { "CPU_Q0", 0, 1, MT_CTX0 }, + { "CPU_Q1", 1, 1, MT_CTX0 + 1 }, + { "CPU_Q2", 2, 1, MT_CTX0 + 2 }, + { "CPU_Q3", 3, 1, MT_CTX0 + 3 }, + { "ALTX_Q0", 8, 2, MT_LMAC_ALTX0 }, + { "BMC_Q0", 9, 2, MT_LMAC_BMC0 }, + { "BCN_Q0", 10, 2, MT_LMAC_BCN0 }, + { "PSMP_Q0", 11, 2, MT_LMAC_PSMP0 }, + { "ALTX_Q1", 12, 2, MT_LMAC_ALTX0 + 4 }, + { "BMC_Q1", 13, 2, MT_LMAC_BMC0 + 4 }, + { "BCN_Q1", 14, 2, MT_LMAC_BCN0 + 4 }, + { "PSMP_Q1", 15, 2, MT_LMAC_PSMP0 + 4 }, + }; + static const struct hw_queue_map pse_queue_map[] = { + { "CPU Q0", 0, 1, MT_CTX0 }, + { "CPU Q1", 1, 1, MT_CTX0 + 1 }, + { "CPU Q2", 2, 1, MT_CTX0 + 2 }, + { "CPU Q3", 3, 1, MT_CTX0 + 3 }, + { "HIF_Q0", 8, 0, MT_HIF0 }, + { "HIF_Q1", 9, 0, MT_HIF0 + 1 }, + { "HIF_Q2", 10, 0, MT_HIF0 + 2 }, + { "HIF_Q3", 11, 0, MT_HIF0 + 3 }, + { "HIF_Q4", 12, 0, MT_HIF0 + 4 }, + { "HIF_Q5", 13, 0, MT_HIF0 + 5 }, + { "LMAC_Q", 16, 2, 0 }, + { "MDP_TXQ", 17, 2, 1 }, + { "MDP_RXQ", 18, 2, 2 }, + { "SEC_TXQ", 19, 2, 3 }, + { "SEC_RXQ", 20, 2, 4 }, + }; + u32 val, head, tail; + + /* ple queue */ + val = mt76_rr(dev, MT_PLE_FREEPG_CNT); + head = mt76_get_field(dev, MT_PLE_FREEPG_HEAD_TAIL, GENMASK(11, 0)); + tail = mt76_get_field(dev, MT_PLE_FREEPG_HEAD_TAIL, GENMASK(27, 16)); + seq_puts(file, "PLE page info:\n"); + seq_printf(file, + "\tTotal free page: 0x%08x head: 0x%03x tail: 0x%03x\n", + val, head, tail); + + val = mt76_rr(dev, MT_PLE_PG_HIF_GROUP); + head = mt76_get_field(dev, MT_PLE_HIF_PG_INFO, GENMASK(11, 0)); + tail = mt76_get_field(dev, MT_PLE_HIF_PG_INFO, GENMASK(27, 16)); + seq_printf(file, "\tHIF free page: 0x%03x res: 0x%03x used: 0x%03x\n", + val, head, tail); + + seq_puts(file, "PLE non-empty queue info:\n"); + mt7996_hw_queue_read(file, ARRAY_SIZE(ple_queue_map), + &ple_queue_map[0]); + + /* iterate per-sta ple queue */ + ieee80211_iterate_stations_atomic(phy->mt76->hw, + mt7996_sta_hw_queue_read, file); + /* pse queue */ + seq_puts(file, "PSE non-empty queue info:\n"); + mt7996_hw_queue_read(file, ARRAY_SIZE(pse_queue_map), + &pse_queue_map[0]); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(mt7996_hw_queues); + +static int +mt7996_xmit_queues_show(struct seq_file *file, void *data) +{ + struct mt7996_phy *phy = file->private; + struct mt7996_dev *dev = phy->dev; + struct { + struct mt76_queue *q; + char *queue; + } queue_map[] = { + { phy->mt76->q_tx[MT_TXQ_BE], " MAIN" }, + { dev->mt76.q_mcu[MT_MCUQ_WM], " MCUWM" }, + { dev->mt76.q_mcu[MT_MCUQ_WA], " MCUWA" }, + { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWDL" }, + }; + int i; + + seq_puts(file, " queue | hw-queued | head | tail |\n"); + for (i = 0; i < ARRAY_SIZE(queue_map); i++) { + struct mt76_queue *q = queue_map[i].q; + + if (!q) + continue; + + seq_printf(file, " %s | %9d | %9d | %9d |\n", + queue_map[i].queue, q->queued, q->head, + q->tail); + } + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(mt7996_xmit_queues); + +static int +mt7996_twt_stats(struct seq_file *s, void *data) +{ + struct mt7996_dev *dev = dev_get_drvdata(s->private); + struct mt7996_twt_flow *iter; + + rcu_read_lock(); + + seq_puts(s, " wcid | id | flags | exp | mantissa"); + seq_puts(s, " | duration | tsf |\n"); + list_for_each_entry_rcu(iter, &dev->twt_list, list) + seq_printf(s, + "%9d | %8d | %5c%c%c%c | %8d | %8d | %8d | %14lld |\n", + iter->wcid, iter->id, + iter->sched ? 's' : 'u', + iter->protection ? 'p' : '-', + iter->trigger ? 't' : '-', + iter->flowtype ? '-' : 'a', + iter->exp, iter->mantissa, + iter->duration, iter->tsf); + + rcu_read_unlock(); + + return 0; +} + +/* The index of RF registers use the generic regidx, combined with two parts: + * WF selection [31:24] and offset [23:0]. + */ +static int +mt7996_rf_regval_get(void *data, u64 *val) +{ + struct mt7996_dev *dev = data; + u32 regval; + int ret; + + ret = mt7996_mcu_rf_regval(dev, dev->mt76.debugfs_reg, ®val, false); + if (ret) + return ret; + + *val = le32_to_cpu(regval); + + return 0; +} + +static int +mt7996_rf_regval_set(void *data, u64 val) +{ + struct mt7996_dev *dev = data; + + return mt7996_mcu_rf_regval(dev, dev->mt76.debugfs_reg, (u32 *)&val, true); +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7996_rf_regval_get, + mt7996_rf_regval_set, "0x%08llx\n"); + +int mt7996_init_debugfs(struct mt7996_phy *phy) +{ + struct mt7996_dev *dev = phy->dev; + struct dentry *dir; + + dir = mt76_register_debugfs_fops(phy->mt76, NULL); + if (!dir) + return -ENOMEM; + debugfs_create_file("hw-queues", 0400, dir, phy, + &mt7996_hw_queues_fops); + debugfs_create_file("xmit-queues", 0400, dir, phy, + &mt7996_xmit_queues_fops); + debugfs_create_file("tx_stats", 0400, dir, phy, &mt7996_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); + /* TODO: wm fw cpu utilization */ + debugfs_create_file("fw_util_wa", 0400, dir, dev, + &mt7996_fw_util_wa_fops); + debugfs_create_file("implicit_txbf", 0600, dir, dev, + &fops_implicit_txbf); + debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir, + mt7996_twt_stats); + debugfs_create_file("fw_ser", 0600, dir, phy, &mt7996_fw_ser_ops); + debugfs_create_file("rf_regval", 0600, dir, dev, &fops_rf_regval); + + if (phy->mt76->cap.has_5ghz) { + 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, + mt7996_rdd_monitor); + } + + if (phy == &dev->phy) + dev->debugfs_dir = dir; + + return 0; +} + +static void +mt7996_debugfs_write_fwlog(struct mt7996_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 mt7996_debugfs_rx_fw_monitor(struct mt7996_dev *dev, const void *data, int len) +{ + struct { + __le32 magic; + u8 version; + u8 _rsv; + __le16 serial_id; + __le32 timestamp; + __le16 msg_type; + __le16 len; + } hdr = { + .version = 0x1, + .magic = cpu_to_le32(FW_BIN_LOG_MAGIC), + .msg_type = cpu_to_le16(PKT_TYPE_RX_FW_MONITOR), + }; + + if (!dev->relay_fwlog) + return; + + hdr.serial_id = cpu_to_le16(dev->fw_debug_seq++); + hdr.timestamp = cpu_to_le32(mt76_rr(dev, MT_LPON_FRCR(0))); + hdr.len = *(__le16 *)data; + mt7996_debugfs_write_fwlog(dev, &hdr, sizeof(hdr), data, len); +} + +bool mt7996_debugfs_rx_log(struct mt7996_dev *dev, const void *data, int len) +{ + if (get_unaligned_le32(data) != FW_BIN_LOG_MAGIC) + return false; + + if (dev->relay_fwlog) + mt7996_debugfs_write_fwlog(dev, NULL, 0, data, len); + + return true; +} + +#ifdef CONFIG_MAC80211_DEBUGFS +/** per-station debugfs **/ + +static ssize_t mt7996_sta_fixed_rate_set(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ +#define SHORT_PREAMBLE 0 +#define LONG_PREAMBLE 1 + struct ieee80211_sta *sta = file->private_data; + struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv; + struct mt7996_dev *dev = msta->vif->phy->dev; + struct ra_rate phy = {}; + char buf[100]; + int ret; + u16 gi, ltf; + + if (count >= sizeof(buf)) + return -EINVAL; + + if (copy_from_user(buf, user_buf, count)) + return -EFAULT; + + if (count && buf[count - 1] == '\n') + buf[count - 1] = '\0'; + else + buf[count] = '\0'; + + /* mode - cck: 0, ofdm: 1, ht: 2, gf: 3, vht: 4, he_su: 8, he_er: 9 + * bw - bw20: 0, bw40: 1, bw80: 2, bw160: 3 + * nss - vht: 1~4, he: 1~4, others: ignore + * mcs - cck: 0~4, ofdm: 0~7, ht: 0~32, vht: 0~9, he_su: 0~11, he_er: 0~2 + * gi - (ht/vht) lgi: 0, sgi: 1; (he) 0.8us: 0, 1.6us: 1, 3.2us: 2 + * preamble - short: 1, long: 0 + * ldpc - off: 0, on: 1 + * stbc - off: 0, on: 1 + * ltf - 1xltf: 0, 2xltf: 1, 4xltf: 2 + */ + if (sscanf(buf, "%hhu %hhu %hhu %hhu %hu %hhu %hhu %hhu %hhu %hu", + &phy.mode, &phy.bw, &phy.mcs, &phy.nss, &gi, + &phy.preamble, &phy.stbc, &phy.ldpc, &phy.spe, <f) != 10) { + dev_warn(dev->mt76.dev, + "format: Mode BW MCS NSS GI Preamble STBC LDPC SPE ltf\n"); + goto out; + } + + phy.wlan_idx = cpu_to_le16(msta->wcid.idx); + phy.gi = cpu_to_le16(gi); + phy.ltf = cpu_to_le16(ltf); + phy.ldpc = phy.ldpc ? 7 : 0; + phy.preamble = phy.preamble ? SHORT_PREAMBLE : LONG_PREAMBLE; + + ret = mt7996_mcu_set_fixed_rate_ctrl(dev, &phy, 0); + if (ret) + return -EFAULT; + +out: + return count; +} + +static const struct file_operations fops_fixed_rate = { + .write = mt7996_sta_fixed_rate_set, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static int +mt7996_queues_show(struct seq_file *s, void *data) +{ + struct ieee80211_sta *sta = s->private; + + mt7996_sta_hw_queue_read(s, sta); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(mt7996_queues); + +void mt7996_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, struct dentry *dir) +{ + debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate); + debugfs_create_file("hw-queues", 0400, dir, sta, &mt7996_queues_fops); +} + +#endif