| // SPDX-License-Identifier: ISC |
| /* Copyright (C) 2020 MediaTek Inc. */ |
| |
| #include "mt7915.h" |
| #include "eeprom.h" |
| #include "mcu.h" |
| |
| /** global debugfs **/ |
| |
| static int |
| mt7915_implicit_txbf_set(void *data, u64 val) |
| { |
| struct mt7915_dev *dev = data; |
| |
| if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) |
| return -EBUSY; |
| |
| dev->ibf = !!val; |
| |
| return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE); |
| } |
| |
| static int |
| mt7915_implicit_txbf_get(void *data, u64 *val) |
| { |
| struct mt7915_dev *dev = data; |
| |
| *val = dev->ibf; |
| |
| return 0; |
| } |
| |
| DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, mt7915_implicit_txbf_get, |
| mt7915_implicit_txbf_set, "%lld\n"); |
| |
| /* test knob of system layer 1/2 error recovery */ |
| static int mt7915_ser_trigger_set(void *data, u64 val) |
| { |
| enum { |
| SER_SET_RECOVER_L1 = 1, |
| SER_SET_RECOVER_L2, |
| SER_ENABLE = 2, |
| SER_RECOVER |
| }; |
| struct mt7915_dev *dev = data; |
| int ret = 0; |
| |
| switch (val) { |
| case SER_SET_RECOVER_L1: |
| case SER_SET_RECOVER_L2: |
| ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0); |
| if (ret) |
| return ret; |
| |
| return mt7915_mcu_set_ser(dev, SER_RECOVER, val, 0); |
| default: |
| break; |
| } |
| |
| return ret; |
| } |
| |
| DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL, |
| mt7915_ser_trigger_set, "%lld\n"); |
| |
| static int |
| mt7915_radar_trigger(void *data, u64 val) |
| { |
| struct mt7915_dev *dev = data; |
| |
| return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, 1, 0, 0); |
| } |
| |
| DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL, |
| mt7915_radar_trigger, "%lld\n"); |
| |
| static int |
| mt7915_fw_debug_set(void *data, u64 val) |
| { |
| struct mt7915_dev *dev = data; |
| enum { |
| DEBUG_TXCMD = 62, |
| DEBUG_CMD_RPT_TX, |
| DEBUG_CMD_RPT_TRIG, |
| DEBUG_SPL, |
| DEBUG_RPT_RX, |
| } debug; |
| |
| dev->fw_debug = !!val; |
| |
| mt7915_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0); |
| |
| for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) |
| mt7915_mcu_fw_dbg_ctrl(dev, debug, dev->fw_debug); |
| |
| return 0; |
| } |
| |
| static int |
| mt7915_fw_debug_get(void *data, u64 *val) |
| { |
| struct mt7915_dev *dev = data; |
| |
| *val = dev->fw_debug; |
| |
| return 0; |
| } |
| |
| DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7915_fw_debug_get, |
| mt7915_fw_debug_set, "%lld\n"); |
| |
| static void |
| mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy, |
| struct seq_file *file) |
| { |
| struct mt7915_dev *dev = file->private; |
| bool ext_phy = phy != &dev->phy; |
| int bound[15], range[4], i, n; |
| |
| if (!phy) |
| return; |
| |
| /* Tx ampdu stat */ |
| for (i = 0; i < ARRAY_SIZE(range); i++) |
| range[i] = mt76_rr(dev, MT_MIB_ARNG(ext_phy, 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, "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: "); |
| n = ext_phy ? 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"); |
| |
| seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt); |
| } |
| |
| static void |
| mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s) |
| { |
| struct mt7915_dev *dev = s->private; |
| bool ext_phy = phy != &dev->phy; |
| static const char * const bw[] = { |
| "BW20", "BW40", "BW80", "BW160" |
| }; |
| int cnt; |
| |
| if (!phy) |
| return; |
| |
| /* Tx Beamformer monitor */ |
| seq_puts(s, "\nTx Beamformer applied PPDU counts: "); |
| |
| cnt = mt76_rr(dev, MT_ETBF_TX_APP_CNT(ext_phy)); |
| seq_printf(s, "iBF: %ld, eBF: %ld\n", |
| FIELD_GET(MT_ETBF_TX_IBF_CNT, cnt), |
| FIELD_GET(MT_ETBF_TX_EBF_CNT, cnt)); |
| |
| /* Tx Beamformer Rx feedback monitor */ |
| seq_puts(s, "Tx Beamformer Rx feedback statistics: "); |
| |
| cnt = mt76_rr(dev, MT_ETBF_RX_FB_CNT(ext_phy)); |
| seq_printf(s, "All: %ld, HE: %ld, VHT: %ld, HT: %ld, ", |
| FIELD_GET(MT_ETBF_RX_FB_ALL, cnt), |
| FIELD_GET(MT_ETBF_RX_FB_HE, cnt), |
| FIELD_GET(MT_ETBF_RX_FB_VHT, cnt), |
| FIELD_GET(MT_ETBF_RX_FB_HT, cnt)); |
| cnt = mt76_rr(dev, MT_ETBF_RX_FB_CONT(ext_phy)); |
| seq_printf(s, "%s, NC: %ld, NR: %ld\n", |
| bw[FIELD_GET(MT_ETBF_RX_FB_BW, cnt)], |
| FIELD_GET(MT_ETBF_RX_FB_NC, cnt), |
| FIELD_GET(MT_ETBF_RX_FB_NR, cnt)); |
| |
| /* Tx Beamformee Rx NDPA & Tx feedback report */ |
| cnt = mt76_rr(dev, MT_ETBF_TX_NDP_BFRP(ext_phy)); |
| seq_printf(s, "Tx Beamformee successful feedback frames: %ld\n", |
| FIELD_GET(MT_ETBF_TX_FB_CPL, cnt)); |
| seq_printf(s, "Tx Beamformee feedback triggered counts: %ld\n", |
| FIELD_GET(MT_ETBF_TX_FB_TRI, cnt)); |
| |
| /* Tx SU & MU counters */ |
| cnt = mt76_rr(dev, MT_MIB_SDR34(ext_phy)); |
| seq_printf(s, "Tx multi-user Beamforming counts: %ld\n", |
| FIELD_GET(MT_MIB_MU_BF_TX_CNT, cnt)); |
| cnt = mt76_rr(dev, MT_MIB_DR8(ext_phy)); |
| seq_printf(s, "Tx multi-user MPDU counts: %d\n", cnt); |
| cnt = mt76_rr(dev, MT_MIB_DR9(ext_phy)); |
| seq_printf(s, "Tx multi-user successful MPDU counts: %d\n", cnt); |
| cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy)); |
| seq_printf(s, "Tx single-user successful MPDU counts: %d\n", cnt); |
| |
| seq_puts(s, "\n"); |
| } |
| |
| static int |
| mt7915_tx_stats_show(struct seq_file *file, void *data) |
| { |
| struct mt7915_dev *dev = file->private; |
| int stat[8], i, n; |
| |
| mt7915_ampdu_stat_read_phy(&dev->phy, file); |
| mt7915_txbf_stat_read_phy(&dev->phy, file); |
| |
| mt7915_ampdu_stat_read_phy(mt7915_ext_phy(dev), file); |
| mt7915_txbf_stat_read_phy(mt7915_ext_phy(dev), file); |
| |
| /* Tx amsdu info */ |
| seq_puts(file, "Tx MSDU statistics:\n"); |
| for (i = 0, n = 0; i < ARRAY_SIZE(stat); i++) { |
| stat[i] = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i)); |
| n += stat[i]; |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(stat); i++) { |
| seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ", |
| i + 1, stat[i]); |
| if (n != 0) |
| seq_printf(file, "(%d%%)\n", stat[i] * 100 / n); |
| else |
| seq_puts(file, "\n"); |
| } |
| |
| return 0; |
| } |
| |
| DEFINE_SHOW_ATTRIBUTE(mt7915_tx_stats); |
| |
| static int |
| mt7915_queues_acq(struct seq_file *s, void *data) |
| { |
| struct mt7915_dev *dev = dev_get_drvdata(s->private); |
| int i; |
| |
| for (i = 0; i < 16; i++) { |
| int j, acs = i / 4, index = i % 4; |
| u32 ctrl, val, qlen = 0; |
| |
| val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index)); |
| ctrl = BIT(31) | BIT(15) | (acs << 8); |
| |
| for (j = 0; j < 32; j++) { |
| if (val & BIT(j)) |
| continue; |
| |
| mt76_wr(dev, MT_PLE_FL_Q0_CTRL, |
| ctrl | (j + (index << 5))); |
| qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, |
| GENMASK(11, 0)); |
| } |
| seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen); |
| } |
| |
| return 0; |
| } |
| |
| static int |
| mt7915_queues_read(struct seq_file *s, void *data) |
| { |
| struct mt7915_dev *dev = dev_get_drvdata(s->private); |
| struct mt76_phy *mphy_ext = dev->mt76.phy2; |
| struct mt76_queue *ext_q = mphy_ext ? mphy_ext->q_tx[MT_TXQ_BE] : NULL; |
| struct { |
| struct mt76_queue *q; |
| char *queue; |
| } queue_map[] = { |
| { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, |
| { ext_q, "WFDMA1" }, |
| { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, |
| { dev->mt76.q_mcu[MT_MCUQ_WM], "MCUWM" }, |
| { dev->mt76.q_mcu[MT_MCUQ_WA], "MCUWA" }, |
| { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" }, |
| }; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(queue_map); i++) { |
| struct mt76_queue *q = queue_map[i].q; |
| |
| if (!q) |
| continue; |
| |
| seq_printf(s, |
| "%s: queued=%d head=%d tail=%d\n", |
| queue_map[i].queue, q->queued, q->head, |
| q->tail); |
| } |
| |
| return 0; |
| } |
| |
| static void |
| mt7915_puts_rate_txpower(struct seq_file *s, struct mt7915_phy *phy) |
| { |
| static const char * const sku_group_name[] = { |
| "CCK", "OFDM", "HT20", "HT40", |
| "VHT20", "VHT40", "VHT80", "VHT160", |
| "RU26", "RU52", "RU106", "RU242/SU20", |
| "RU484/SU40", "RU996/SU80", "RU2x996/SU160" |
| }; |
| s8 txpower[MT7915_SKU_RATE_NUM], *buf; |
| int i; |
| |
| if (!phy) |
| return; |
| |
| seq_printf(s, "\nBand %d\n", phy != &phy->dev->phy); |
| |
| mt7915_mcu_get_txpower_sku(phy, txpower, sizeof(txpower)); |
| for (i = 0, buf = txpower; i < ARRAY_SIZE(mt7915_sku_group_len); i++) { |
| u8 mcs_num = mt7915_sku_group_len[i]; |
| |
| if (i >= SKU_VHT_BW20 && i <= SKU_VHT_BW160) |
| mcs_num = 10; |
| |
| mt76_seq_puts_array(s, sku_group_name[i], buf, mcs_num); |
| buf += mt7915_sku_group_len[i]; |
| } |
| } |
| |
| static int |
| mt7915_read_rate_txpower(struct seq_file *s, void *data) |
| { |
| struct mt7915_dev *dev = dev_get_drvdata(s->private); |
| |
| mt7915_puts_rate_txpower(s, &dev->phy); |
| mt7915_puts_rate_txpower(s, mt7915_ext_phy(dev)); |
| |
| return 0; |
| } |
| |
| int mt7915_init_debugfs(struct mt7915_dev *dev) |
| { |
| struct dentry *dir; |
| |
| dir = mt76_register_debugfs(&dev->mt76); |
| if (!dir) |
| return -ENOMEM; |
| |
| debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir, |
| mt7915_queues_read); |
| debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, |
| mt7915_queues_acq); |
| debugfs_create_file("tx_stats", 0400, dir, dev, &mt7915_tx_stats_fops); |
| debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); |
| debugfs_create_file("implicit_txbf", 0600, dir, dev, |
| &fops_implicit_txbf); |
| debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); |
| /* test knobs */ |
| debugfs_create_file("radar_trigger", 0200, dir, dev, |
| &fops_radar_trigger); |
| debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger); |
| debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, |
| mt7915_read_rate_txpower); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_MAC80211_DEBUGFS |
| /** per-station debugfs **/ |
| |
| /* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */ |
| static int mt7915_sta_fixed_rate_set(void *data, u64 rate) |
| { |
| struct ieee80211_sta *sta = data; |
| struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; |
| |
| return mt7915_mcu_set_fixed_rate(msta->vif->phy->dev, sta, rate); |
| } |
| |
| DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL, |
| mt7915_sta_fixed_rate_set, "%llx\n"); |
| |
| static int |
| mt7915_sta_stats_show(struct seq_file *s, void *data) |
| { |
| struct ieee80211_sta *sta = s->private; |
| struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; |
| struct mt7915_sta_stats *stats = &msta->stats; |
| struct rate_info *rate = &stats->prob_rate; |
| static const char * const bw[] = { |
| "BW20", "BW5", "BW10", "BW40", |
| "BW80", "BW160", "BW_HE_RU" |
| }; |
| |
| if (!rate->legacy && !rate->flags) |
| return 0; |
| |
| seq_puts(s, "Probing rate - "); |
| if (rate->flags & RATE_INFO_FLAGS_MCS) |
| seq_puts(s, "HT "); |
| else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS) |
| seq_puts(s, "VHT "); |
| else if (rate->flags & RATE_INFO_FLAGS_HE_MCS) |
| seq_puts(s, "HE "); |
| else |
| seq_printf(s, "Bitrate %d\n", rate->legacy); |
| |
| if (rate->flags) { |
| seq_printf(s, "%s NSS%d MCS%d ", |
| bw[rate->bw], rate->nss, rate->mcs); |
| |
| if (rate->flags & RATE_INFO_FLAGS_SHORT_GI) |
| seq_puts(s, "SGI "); |
| else if (rate->he_gi) |
| seq_puts(s, "HE GI "); |
| |
| if (rate->he_dcm) |
| seq_puts(s, "DCM "); |
| } |
| |
| seq_printf(s, "\nPPDU PER: %ld.%1ld%%\n", |
| stats->per / 10, stats->per % 10); |
| |
| return 0; |
| } |
| |
| DEFINE_SHOW_ATTRIBUTE(mt7915_sta_stats); |
| |
| void mt7915_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("stats", 0400, dir, sta, &mt7915_sta_stats_fops); |
| } |
| #endif |