diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c | 225 |
1 files changed, 208 insertions, 17 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index e96d1c31dd36..4e1ecaec8f4f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -1,9 +1,13 @@ // SPDX-License-Identifier: ISC /* Copyright (C) 2020 MediaTek Inc. */ +#include <linux/relay.h> #include "mt7915.h" #include "eeprom.h" #include "mcu.h" +#include "mac.h" + +#define FW_BIN_LOG_MAGIC 0x44e98caf /** global debugfs **/ @@ -75,7 +79,11 @@ mt7915_radar_trigger(void *data, u64 val) { struct mt7915_dev *dev = data; - return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, 1, 0, 0); + if (val > MT_RX_SEL2) + return -EINVAL; + + return mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_RADAR_EMULATE, + val, 0, 0); } DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL, @@ -301,6 +309,53 @@ exit: DEFINE_SHOW_ATTRIBUTE(mt7915_muru_stats); static int +mt7915_rdd_monitor(struct seq_file *s, void *data) +{ + struct mt7915_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 mt7915_fw_debug_wm_set(void *data, u64 val) { struct mt7915_dev *dev = data; @@ -311,16 +366,31 @@ mt7915_fw_debug_wm_set(void *data, u64 val) DEBUG_SPL, DEBUG_RPT_RX, } debug; + bool tx, rx, en; int ret; dev->fw_debug_wm = val ? MCU_FW_LOG_TO_HOST : 0; - ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, dev->fw_debug_wm); + if (dev->fw_debug_bin) + val = 16; + 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 = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, val); if (ret) return ret; for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) { - ret = mt7915_mcu_fw_dbg_ctrl(dev, debug, !!dev->fw_debug_wm); + if (debug == DEBUG_RPT_RX) + val = en && rx; + else + val = en && tx; + + ret = mt7915_mcu_fw_dbg_ctrl(dev, debug, val); if (ret) return ret; } @@ -376,6 +446,65 @@ mt7915_fw_debug_wa_get(void *data, u64 *val) DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wa, mt7915_fw_debug_wa_get, mt7915_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 +mt7915_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 mt7915_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 mt7915_fw_debug_wm_set(dev, dev->fw_debug_wm); +} + +static int +mt7915_fw_debug_bin_get(void *data, u64 *val) +{ + struct mt7915_dev *dev = data; + + *val = dev->fw_debug_bin; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_bin, mt7915_fw_debug_bin_get, + mt7915_fw_debug_bin_set, "%lld\n"); + static int mt7915_fw_util_wm_show(struct seq_file *file, void *data) { @@ -419,12 +548,12 @@ mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy, /* Tx ampdu stat */ for (i = 0; i < ARRAY_SIZE(range); i++) - range[i] = mt76_rr(dev, MT_MIB_ARNG(ext_phy, i)); + range[i] = mt76_rr(dev, MT_MIB_ARNG(phy->band_idx, 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, "\nPhy %d, Phy band %d\n", ext_phy, phy->band_idx); seq_printf(file, "Length: %8d | ", bound[0]); for (i = 0; i < ARRAY_SIZE(bound) - 1; i++) @@ -432,7 +561,7 @@ mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy, bound[i] + 1, bound[i + 1]); seq_puts(file, "\nCount: "); - n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0; + n = phy->band_idx ? 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"); @@ -521,14 +650,14 @@ mt7915_tx_stats_show(struct seq_file *file, void *data) DEFINE_SHOW_ATTRIBUTE(mt7915_tx_stats); static void -mt7915_hw_queue_read(struct seq_file *s, u32 base, u32 size, +mt7915_hw_queue_read(struct seq_file *s, u32 size, const struct hw_queue_map *map) { struct mt7915_phy *phy = s->private; struct mt7915_dev *dev = phy->dev; u32 i, val; - val = mt76_rr(dev, base + MT_FL_Q_EMPTY); + val = mt76_rr(dev, MT_FL_Q_EMPTY); for (i = 0; i < size; i++) { u32 ctrl, head, tail, queued; @@ -536,13 +665,13 @@ mt7915_hw_queue_read(struct seq_file *s, u32 base, u32 size, continue; ctrl = BIT(31) | (map[i].pid << 10) | (map[i].qid << 24); - mt76_wr(dev, base + MT_FL_Q0_CTRL, ctrl); + mt76_wr(dev, MT_FL_Q0_CTRL, ctrl); - head = mt76_get_field(dev, base + MT_FL_Q2_CTRL, + head = mt76_get_field(dev, MT_FL_Q2_CTRL, GENMASK(11, 0)); - tail = mt76_get_field(dev, base + MT_FL_Q2_CTRL, + tail = mt76_get_field(dev, MT_FL_Q2_CTRL, GENMASK(27, 16)); - queued = mt76_get_field(dev, base + MT_FL_Q3_CTRL, + queued = mt76_get_field(dev, MT_FL_Q3_CTRL, GENMASK(11, 0)); seq_printf(s, "\t%s: ", map[i].name); @@ -570,8 +699,8 @@ mt7915_sta_hw_queue_read(void *data, struct ieee80211_sta *sta) if (val & BIT(offs)) continue; - mt76_wr(dev, MT_PLE_BASE + MT_FL_Q0_CTRL, ctrl | msta->wcid.idx); - qlen = mt76_get_field(dev, MT_PLE_BASE + MT_FL_Q3_CTRL, + 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, @@ -633,7 +762,7 @@ mt7915_hw_queues_show(struct seq_file *file, void *data) val, head, tail); seq_puts(file, "PLE non-empty queue info:\n"); - mt7915_hw_queue_read(file, MT_PLE_BASE, ARRAY_SIZE(ple_queue_map), + mt7915_hw_queue_read(file, ARRAY_SIZE(ple_queue_map), &ple_queue_map[0]); /* iterate per-sta ple queue */ @@ -641,7 +770,7 @@ mt7915_hw_queues_show(struct seq_file *file, void *data) mt7915_sta_hw_queue_read, file); /* pse queue */ seq_puts(file, "PSE non-empty queue info:\n"); - mt7915_hw_queue_read(file, MT_PSE_BASE, ARRAY_SIZE(pse_queue_map), + mt7915_hw_queue_read(file, ARRAY_SIZE(pse_queue_map), &pse_queue_map[0]); return 0; @@ -757,6 +886,7 @@ int mt7915_init_debugfs(struct mt7915_phy *phy) debugfs_create_file("tx_stats", 0400, dir, phy, &mt7915_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); debugfs_create_file("fw_util_wm", 0400, dir, dev, &mt7915_fw_util_wm_fops); debugfs_create_file("fw_util_wa", 0400, dir, dev, @@ -768,16 +898,77 @@ int mt7915_init_debugfs(struct mt7915_phy *phy) debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir, mt7915_twt_stats); debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger); - if (!dev->dbdc_support || ext_phy) { + if (!dev->dbdc_support || phy->band_idx) { 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, + mt7915_rdd_monitor); } + if (!ext_phy) + dev->debugfs_dir = dir; + return 0; } +static void +mt7915_debugfs_write_fwlog(struct mt7915_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 mt7915_debugfs_rx_fw_monitor(struct mt7915_dev *dev, const void *data, int len) +{ + struct { + __le32 magic; + __le32 timestamp; + __le16 msg_type; + __le16 len; + } hdr = { + .magic = cpu_to_le32(FW_BIN_LOG_MAGIC), + .msg_type = cpu_to_le16(PKT_TYPE_RX_FW_MONITOR), + }; + + if (!dev->relay_fwlog) + return; + + hdr.timestamp = cpu_to_le32(mt76_rr(dev, MT_LPON_FRCR(0))); + hdr.len = *(__le16 *)data; + mt7915_debugfs_write_fwlog(dev, &hdr, sizeof(hdr), data, len); +} + +bool mt7915_debugfs_rx_log(struct mt7915_dev *dev, const void *data, int len) +{ + if (get_unaligned_le32(data) != FW_BIN_LOG_MAGIC) + return false; + + if (dev->relay_fwlog) + mt7915_debugfs_write_fwlog(dev, NULL, 0, data, len); + + return true; +} + #ifdef CONFIG_MAC80211_DEBUGFS /** per-station debugfs **/ |