#include <linux/relay.h>
#include "mt7996.h"
#include "eeprom.h"
#include "mcu.h"
#include "mac.h"
#define FW_BIN_LOG_MAGIC 0x44d9c99a
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;
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");
static ssize_t
mt7996_sys_recovery_set(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct mt7996_dev *dev = file->private_data;
char buf[16], *sep;
int ret = 0;
u16 band, 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';
sep = strchr(buf, ',');
if (!sep)
return -EINVAL;
*sep = 0;
if (kstrtou16(buf, 0, &band) || kstrtou16(sep + 1, 0, &val))
return -EINVAL;
switch (val) {
case UNI_CMD_SER_QUERY:
ret = mt7996_mcu_set_ser(dev, UNI_CMD_SER_QUERY, 0, band);
break;
case UNI_CMD_SER_SET_RECOVER_L1:
case UNI_CMD_SER_SET_RECOVER_L2:
case UNI_CMD_SER_SET_RECOVER_L3_RX_ABORT:
case UNI_CMD_SER_SET_RECOVER_L3_TX_ABORT:
case UNI_CMD_SER_SET_RECOVER_L3_TX_DISABLE:
case UNI_CMD_SER_SET_RECOVER_L3_BF:
case UNI_CMD_SER_SET_RECOVER_L4_MDP:
ret = mt7996_mcu_set_ser(dev, UNI_CMD_SER_SET, BIT(val), band);
if (ret)
return ret;
ret = mt7996_mcu_set_ser(dev, UNI_CMD_SER_TRIGGER, val, band);
break;
case UNI_CMD_SER_SET_RECOVER_FULL:
mt76_set(dev, MT_WFDMA0_MCU_HOST_INT_ENA, MT_MCU_CMD_WDT_MASK);
dev->recovery.state |= MT_MCU_CMD_WDT_MASK;
mt7996_reset(dev);
break;
case UNI_CMD_SER_SET_SYSTEM_ASSERT:
ret = mt7996_mcu_trigger_assert(dev);
if (ret)
return ret;
break;
default:
break;
}
return ret ? ret : count;
}
static ssize_t
mt7996_sys_recovery_get(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct mt7996_dev *dev = file->private_data;
char *buff;
int desc = 0;
ssize_t ret;
static const size_t bufsz = 1024;
buff = kmalloc(bufsz, GFP_KERNEL);
if (!buff)
return -ENOMEM;
desc += scnprintf(buff + desc, bufsz - desc,
"Please echo the correct value ...\n");
desc += scnprintf(buff + desc, bufsz - desc,
"<band>,0: grab firmware transient SER state\n");
desc += scnprintf(buff + desc, bufsz - desc,
"<band>,1: trigger system error L1 recovery\n");
desc += scnprintf(buff + desc, bufsz - desc,
"<band>,2: trigger system error L2 recovery\n");
desc += scnprintf(buff + desc, bufsz - desc,
"<band>,3: trigger system error L3 rx abort\n");
desc += scnprintf(buff + desc, bufsz - desc,
"<band>,4: trigger system error L3 tx abort\n");
desc += scnprintf(buff + desc, bufsz - desc,
"<band>,5: trigger system error L3 tx disable\n");
desc += scnprintf(buff + desc, bufsz - desc,
"<band>,6: trigger system error L3 bf recovery\n");
desc += scnprintf(buff + desc, bufsz - desc,
"<band>,7: trigger system error L4 mdp recovery\n");
desc += scnprintf(buff + desc, bufsz - desc,
"<band>,8: trigger system error full recovery\n");
desc += scnprintf(buff + desc, bufsz - desc,
"<band>,9: trigger firmware crash\n");
desc += scnprintf(buff + desc, bufsz - desc,
"\nlet's dump firmware SER statistics...\n");
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_STATUS = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_SER_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_PLE_ERR = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_PLE_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_PLE_ERR_1 = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_PLE1_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_PLE_ERR_AMSDU = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_PLE_AMSDU_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_PSE_ERR = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_PSE_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_PSE_ERR_1 = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_PSE1_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_LMAC_WISR6_B0 = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_LAMC_WISR6_BN0_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_LMAC_WISR6_B1 = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_LAMC_WISR6_BN1_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_LMAC_WISR6_B2 = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_LAMC_WISR6_BN2_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_LMAC_WISR7_B0 = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_LAMC_WISR7_BN0_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_LMAC_WISR7_B1 = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_LAMC_WISR7_BN1_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"::E R , SER_LMAC_WISR7_B2 = 0x%08x\n",
mt76_rr(dev, MT_SWDEF_LAMC_WISR7_BN2_STATS));
desc += scnprintf(buff + desc, bufsz - desc,
"\nSYS_RESET_COUNT: WM %d, WA %d\n",
dev->recovery.wm_reset_count,
dev->recovery.wa_reset_count);
ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
kfree(buff);
return ret;
}
static const struct file_operations mt7996_sys_recovery_ops = {
.write = mt7996_sys_recovery_set,
.read = mt7996_sys_recovery_get,
.open = simple_open,
.llseek = default_llseek,
};
static int
mt7996_radar_trigger(void *data, u64 val)
{
#define RADAR_MAIN_CHAIN 1
#define RADAR_BACKGROUND 2
struct mt7996_dev *dev = data;
struct mt7996_phy *phy = mt7996_band_phy(dev, NL80211_BAND_5GHZ);
int rdd_idx;
if (!phy || !val || val > RADAR_BACKGROUND)
return -EINVAL;
if (val == RADAR_BACKGROUND && !dev->rdd2_phy) {
dev_err(dev->mt76.dev, "Background radar is not enabled\n");
return -EINVAL;
}
rdd_idx = mt7996_get_rdd_idx(phy, val == RADAR_BACKGROUND);
if (rdd_idx < 0) {
dev_err(dev->mt76.dev, "No RDD found\n");
return -EINVAL;
}
return mt7996_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, rdd_idx, 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;
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)
{
struct mt76_mib_stats *mib = &phy->mib;
static const char * const bw[] = {
"BW20", "BW40", "BW80", "BW160", "BW320"
};
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);
seq_puts(s, "Tx Beamformer Rx feedback statistics: ");
seq_printf(s, "All: %d, EHT: %d, HE: %d, VHT: %d, HT: %d, ",
mib->tx_bf_rx_fb_all_cnt,
mib->tx_bf_rx_fb_eht_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);
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);
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 void
mt7996_tx_stats_show_phy(struct seq_file *file, struct mt7996_phy *phy)
{
struct mt76_mib_stats *mib = &phy->mib;
u32 attempts, success, per;
int i;
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);
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");
}
}
static int
mt7996_tx_stats_show(struct seq_file *file, void *data)
{
struct mt7996_dev *dev = file->private;
struct mt7996_phy *phy = &dev->phy;
mutex_lock(&dev->mt76.mutex);
mt7996_tx_stats_show_phy(file, phy);
phy = mt7996_phy2(dev);
if (phy)
mt7996_tx_stats_show_phy(file, phy);
phy = mt7996_phy3(dev);
if (phy)
mt7996_tx_stats_show_phy(file, phy);
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) | ((u32)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_vif *mvif = msta->vif;
struct mt7996_dev *dev = mvif->deflink.phy->dev;
struct ieee80211_link_sta *link_sta;
struct seq_file *s = data;
struct ieee80211_vif *vif;
unsigned int link_id;
vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
rcu_read_lock();
for_each_sta_active_link(vif, sta, link_sta, link_id) {
struct mt7996_sta_link *msta_link;
struct mt76_vif_link *mlink;
u8 ac;
mlink = rcu_dereference(mvif->mt76.link[link_id]);
if (!mlink)
continue;
msta_link = rcu_dereference(msta->link[link_id]);
if (!msta_link)
continue;
for (ac = 0; ac < 4; ac++) {
u32 idx = msta_link->wcid.idx >> 5, qlen, ctrl, val;
u8 offs = msta_link->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_link->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_link->wcid.idx,
mlink->wmm_idx, ac, qlen);
}
}
rcu_read_unlock();
}
static int
mt7996_hw_queues_show(struct seq_file *file, void *data)
{
struct mt7996_dev *dev = file->private;
struct mt7996_phy *phy = &dev->phy;
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;
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]);
ieee80211_iterate_stations_atomic(phy->mt76->hw,
mt7996_sta_hw_queue_read, file);
phy = mt7996_phy2(dev);
if (phy)
ieee80211_iterate_stations_atomic(phy->mt76->hw,
mt7996_sta_hw_queue_read, file);
phy = mt7996_phy3(dev);
if (phy)
ieee80211_iterate_stations_atomic(phy->mt76->hw,
mt7996_sta_hw_queue_read, file);
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_dev *dev = file->private;
struct mt7996_phy *phy;
struct {
struct mt76_queue *q;
char *queue;
} queue_map[] = {
{ dev->mphy.q_tx[MT_TXQ_BE], " MAIN0" },
{ NULL, " MAIN1" },
{ NULL, " MAIN2" },
{ 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;
phy = mt7996_phy2(dev);
if (phy)
queue_map[1].q = phy->mt76->q_tx[MT_TXQ_BE];
phy = mt7996_phy3(dev);
if (phy)
queue_map[2].q = phy->mt76->q_tx[MT_TXQ_BE];
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;
}
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 = regval;
return 0;
}
static int
mt7996_rf_regval_set(void *data, u64 val)
{
struct mt7996_dev *dev = data;
u32 val32 = val;
return mt7996_mcu_rf_regval(dev, dev->mt76.debugfs_reg, &val32, true);
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7996_rf_regval_get,
mt7996_rf_regval_set, "0x%08llx\n");
int mt7996_init_debugfs(struct mt7996_dev *dev)
{
struct dentry *dir;
dir = mt76_register_debugfs_fops(&dev->mphy, NULL);
if (!dir)
return -ENOMEM;
debugfs_create_file("hw-queues", 0400, dir, dev,
&mt7996_hw_queues_fops);
debugfs_create_file("xmit-queues", 0400, dir, dev,
&mt7996_xmit_queues_fops);
debugfs_create_file("tx_stats", 0400, dir, dev, &mt7996_tx_stats_fops);
debugfs_create_file("sys_recovery", 0600, dir, dev,
&mt7996_sys_recovery_ops);
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_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("rf_regval", 0600, dir, dev, &fops_rf_regval);
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);
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
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("hw-queues", 0400, dir, sta, &mt7996_queues_fops);
}
static ssize_t mt7996_link_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_link_sta *link_sta = file->private_data;
struct mt7996_sta *msta = (struct mt7996_sta *)link_sta->sta->drv_priv;
struct mt7996_dev *dev = msta->vif->deflink.phy->dev;
struct mt7996_sta_link *msta_link;
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';
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");
return -EINVAL;
}
mutex_lock(&dev->mt76.mutex);
msta_link = mt76_dereference(msta->link[link_sta->link_id], &dev->mt76);
if (!msta_link) {
ret = -EINVAL;
goto out;
}
phy.wlan_idx = cpu_to_le16(msta_link->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)
goto out;
ret = count;
out:
mutex_unlock(&dev->mt76.mutex);
return ret;
}
static const struct file_operations fops_fixed_rate = {
.write = mt7996_link_sta_fixed_rate_set,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
void mt7996_link_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_link_sta *link_sta,
struct dentry *dir)
{
debugfs_create_file("fixed_rate", 0600, dir, link_sta, &fops_fixed_rate);
}
#endif
