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linux-zen-server/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c

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36 KiB
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Initial commit
2023-08-30 17:53:23 +02:00
// 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 **/
struct hw_queue_map {
const char *name;
u8 index;
u8 pid;
u8 qid;
};
static int
mt7915_implicit_txbf_set(void *data, u64 val)
{
struct mt7915_dev *dev = data;
/* The existing connected stations shall reconnect to apply
* new implicit txbf configuration.
*/
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 error recovery */
static ssize_t
mt7915_sys_recovery_set(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct mt7915_phy *phy = file->private_data;
struct mt7915_dev *dev = phy->dev;
bool band = 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) {
/*
* 0: grab firmware current SER state.
* 1: trigger & enable system error L1 recovery.
* 2: trigger & enable system error L2 recovery.
* 3: trigger & enable system error L3 rx abort.
* 4: trigger & enable system error L3 tx abort
* 5: trigger & enable system error L3 tx disable.
* 6: trigger & enable system error L3 bf recovery.
* 7: trigger & enable system error full recovery.
* 8: trigger firmware crash.
*/
case SER_QUERY:
ret = mt7915_mcu_set_ser(dev, 0, 0, band);
break;
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 = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), band);
if (ret)
return ret;
ret = mt7915_mcu_set_ser(dev, SER_RECOVER, val, band);
break;
/* enable full chip reset */
case SER_SET_RECOVER_FULL:
mt76_set(dev, MT_WFDMA0_MCU_HOST_INT_ENA, MT_MCU_CMD_WDT_MASK);
ret = mt7915_mcu_set_ser(dev, 1, 3, band);
if (ret)
return ret;
dev->recovery.state |= MT_MCU_CMD_WDT_MASK;
mt7915_reset(dev);
break;
/* WARNING: trigger firmware crash */
case SER_SET_SYSTEM_ASSERT:
mt76_wr(dev, MT_MCU_WM_CIRQ_EINT_MASK_CLR_ADDR, BIT(18));
mt76_wr(dev, MT_MCU_WM_CIRQ_EINT_SOFT_ADDR, BIT(18));
break;
default:
break;
}
return ret ? ret : count;
}
static ssize_t
mt7915_sys_recovery_get(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct mt7915_phy *phy = file->private_data;
struct mt7915_dev *dev = phy->dev;
char *buff;
int desc = 0;
ssize_t ret;
static const size_t bufsz = 1024;
buff = kmalloc(bufsz, GFP_KERNEL);
if (!buff)
return -ENOMEM;
/* HELP */
desc += scnprintf(buff + desc, bufsz - desc,
"Please echo the correct value ...\n");
desc += scnprintf(buff + desc, bufsz - desc,
"0: grab firmware transient SER state\n");
desc += scnprintf(buff + desc, bufsz - desc,
"1: trigger system error L1 recovery\n");
desc += scnprintf(buff + desc, bufsz - desc,
"2: trigger system error L2 recovery\n");
desc += scnprintf(buff + desc, bufsz - desc,
"3: trigger system error L3 rx abort\n");
desc += scnprintf(buff + desc, bufsz - desc,
"4: trigger system error L3 tx abort\n");
desc += scnprintf(buff + desc, bufsz - desc,
"5: trigger system error L3 tx disable\n");
desc += scnprintf(buff + desc, bufsz - desc,
"6: trigger system error L3 bf recovery\n");
desc += scnprintf(buff + desc, bufsz - desc,
"7: trigger system error full recovery\n");
desc += scnprintf(buff + desc, bufsz - desc,
"8: trigger firmware crash\n");
/* SER statistics */
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_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,
"\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 mt7915_sys_recovery_ops = {
.write = mt7915_sys_recovery_set,
.read = mt7915_sys_recovery_get,
.open = simple_open,
.llseek = default_llseek,
};
static int
mt7915_radar_trigger(void *data, u64 val)
{
struct mt7915_dev *dev = data;
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,
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, dev->muru_debug);
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_stats_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, sub_total_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;
/* Non-HE Downlink*/
seq_puts(file, "[Non-HE]\nDownlink\nData Type: ");
for (i = 0; i < 5; i++)
seq_printf(file, "%8s | ", dl_non_he_type[i]);
#define __dl_u32(s) le32_to_cpu(mu_stats.dl.s)
seq_puts(file, "\nTotal Count:");
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, "\nDownlink MU-MIMO\nData Type: ");
for (i = 5; i < 8; i++)
seq_printf(file, "%8s | ", dl_non_he_type[i]);
seq_puts(file, "\nTotal Count:");
seq_printf(file, "%8u | %8u | %8u | ",
__dl_u32(vht_2mu_cnt),
__dl_u32(vht_3mu_cnt),
__dl_u32(vht_4mu_cnt));
sub_total_cnt = __dl_u32(vht_2mu_cnt) +
__dl_u32(vht_3mu_cnt) +
__dl_u32(vht_4mu_cnt);
seq_printf(file, "\nTotal non-HE MU-MIMO DL PPDU count: %lld",
sub_total_cnt);
total_ppdu_cnt = sub_total_cnt +
__dl_u32(cck_cnt) +
__dl_u32(ofdm_cnt) +
__dl_u32(htmix_cnt) +
__dl_u32(htgf_cnt) +
__dl_u32(vht_su_cnt);
seq_printf(file, "\nAll non-HE DL PPDU count: %lld", total_ppdu_cnt);
/* HE Downlink */
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 Count:");
seq_printf(file, "%8u | %8u | ",
__dl_u32(he_su_cnt),
__dl_u32(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 Count:");
seq_printf(file, "%8u | %8u | %8u | ",
__dl_u32(he_2mu_cnt),
__dl_u32(he_3mu_cnt),
__dl_u32(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 Count:");
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));
sub_total_cnt = __dl_u32(he_2mu_cnt) +
__dl_u32(he_3mu_cnt) +
__dl_u32(he_4mu_cnt);
total_ppdu_cnt = sub_total_cnt;
seq_printf(file, "\nTotal HE MU-MIMO DL PPDU count: %lld",
sub_total_cnt);
sub_total_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);
total_ppdu_cnt += sub_total_cnt;
seq_printf(file, "\nTotal HE OFDMA DL PPDU count: %lld",
sub_total_cnt);
total_ppdu_cnt += __dl_u32(he_su_cnt) +
__dl_u32(he_ext_su_cnt);
seq_printf(file, "\nAll HE DL PPDU count: %lld", total_ppdu_cnt);
#undef __dl_u32
/* HE Uplink */
seq_puts(file, "\n\nUplink");
seq_puts(file, "\nTrigger-based Uplink MU-MIMO\nData Type: ");
for (i = 0; i < 3; i++)
seq_printf(file, "%8s | ", ul_he_type[i]);
#define __ul_u32(s) le32_to_cpu(mu_stats.ul.s)
seq_puts(file, "\nTotal Count:");
seq_printf(file, "%8u | %8u | %8u | ",
__ul_u32(hetrig_2mu_cnt),
__ul_u32(hetrig_3mu_cnt),
__ul_u32(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 Count:");
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));
sub_total_cnt = __ul_u32(hetrig_2mu_cnt) +
__ul_u32(hetrig_3mu_cnt) +
__ul_u32(hetrig_4mu_cnt);
total_ppdu_cnt = sub_total_cnt;
seq_printf(file, "\nTotal HE MU-MIMO UL TB PPDU count: %lld",
sub_total_cnt);
sub_total_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);
total_ppdu_cnt += sub_total_cnt;
seq_printf(file, "\nTotal HE OFDMA UL TB PPDU count: %lld",
sub_total_cnt);
total_ppdu_cnt += __ul_u32(hetrig_su_cnt);
seq_printf(file, "\nAll HE UL TB PPDU count: %lld\n", total_ppdu_cnt);
#undef __ul_u32
exit:
mutex_unlock(&dev->mt76.mutex);
return ret;
}
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;
enum {
DEBUG_TXCMD = 62,
DEBUG_CMD_RPT_TX,
DEBUG_CMD_RPT_TRIG,
DEBUG_SPL,
DEBUG_RPT_RX,
} debug;
bool tx, rx, en;
int ret;
dev->fw.debug_wm = val ? MCU_FW_LOG_TO_HOST : 0;
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)
goto out;
for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) {
if (debug == DEBUG_RPT_RX)
val = en && rx;
else
val = en && tx;
ret = mt7915_mcu_fw_dbg_ctrl(dev, debug, val);
if (ret)
goto out;
}
/* WM CPU info record control */
mt76_clear(dev, MT_CPU_UTIL_CTRL, BIT(0));
mt76_wr(dev, MT_DIC_CMD_REG_CMD, BIT(2) | BIT(13) | !dev->fw.debug_wm);
mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_MASK_CLR_ADDR, BIT(5));
mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_SOFT_ADDR, BIT(5));
out:
if (ret)
dev->fw.debug_wm = 0;
return ret;
}
static int
mt7915_fw_debug_wm_get(void *data, u64 *val)
{
struct mt7915_dev *dev = data;
*val = dev->fw.debug_wm;
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wm, mt7915_fw_debug_wm_get,
mt7915_fw_debug_wm_set, "%lld\n");
static int
mt7915_fw_debug_wa_set(void *data, u64 val)
{
struct mt7915_dev *dev = data;
int ret;
dev->fw.debug_wa = val ? MCU_FW_LOG_TO_HOST : 0;
ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, dev->fw.debug_wa);
if (ret)
goto out;
ret = mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
MCU_WA_PARAM_PDMA_RX, !!dev->fw.debug_wa, 0);
out:
if (ret)
dev->fw.debug_wa = 0;
return ret;
}
static int
mt7915_fw_debug_wa_get(void *data, u64 *val)
{
struct mt7915_dev *dev = data;
*val = dev->fw.debug_wa;
return 0;
}
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)
{
struct mt7915_dev *dev = file->private;
seq_printf(file, "Program counter: 0x%x\n", mt76_rr(dev, MT_WM_MCU_PC));
if (dev->fw.debug_wm) {
seq_printf(file, "Busy: %u%% Peak busy: %u%%\n",
mt76_rr(dev, MT_CPU_UTIL_BUSY_PCT),
mt76_rr(dev, MT_CPU_UTIL_PEAK_BUSY_PCT));
seq_printf(file, "Idle count: %u Peak idle count: %u\n",
mt76_rr(dev, MT_CPU_UTIL_IDLE_CNT),
mt76_rr(dev, MT_CPU_UTIL_PEAK_IDLE_CNT));
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(mt7915_fw_util_wm);
static int
mt7915_fw_util_wa_show(struct seq_file *file, void *data)
{
struct mt7915_dev *dev = file->private;
seq_printf(file, "Program counter: 0x%x\n", mt76_rr(dev, MT_WA_MCU_PC));
if (dev->fw.debug_wa)
return mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(QUERY),
MCU_WA_PARAM_CPU_UTIL, 0, 0);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(mt7915_fw_util_wa);
static void
mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,
struct seq_file *file)
{
struct mt7915_dev *dev = phy->dev;
bool ext_phy = phy != &dev->phy;
int bound[15], range[4], i;
u8 band = phy->mt76->band_idx;
/* Tx ampdu stat */
for (i = 0; i < ARRAY_SIZE(range); i++)
range[i] = mt76_rr(dev, MT_MIB_ARNG(band, 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, Phy band %d\n", ext_phy, band);
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
mt7915_txbf_stat_read_phy(struct mt7915_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_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
mt7915_tx_stats_show(struct seq_file *file, void *data)
{
struct mt7915_phy *phy = file->private;
struct mt7915_dev *dev = phy->dev;
struct mib_stats *mib = &phy->mib;
int i;
mutex_lock(&dev->mt76.mutex);
mt7915_ampdu_stat_read_phy(phy, file);
mt7915_mac_update_stats(phy);
mt7915_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(mt7915_tx_stats);
static void
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, 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
mt7915_sta_hw_queue_read(void *data, struct ieee80211_sta *sta)
{
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct mt7915_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
mt7915_hw_queues_show(struct seq_file *file, void *data)
{
struct mt7915_phy *phy = file->private;
struct mt7915_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");
mt7915_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,
mt7915_sta_hw_queue_read, file);
/* pse queue */
seq_puts(file, "PSE non-empty queue info:\n");
mt7915_hw_queue_read(file, ARRAY_SIZE(pse_queue_map),
&pse_queue_map[0]);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(mt7915_hw_queues);
static int
mt7915_xmit_queues_show(struct seq_file *file, void *data)
{
struct mt7915_phy *phy = file->private;
struct mt7915_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(mt7915_xmit_queues);
#define mt7915_txpower_puts(prefix, rate) \
({ \
len += scnprintf(buf + len, sz - len, "%-16s:", #prefix " (tmac)"); \
for (i = 0; i < mt7915_sku_group_len[rate]; i++, offs++) \
len += scnprintf(buf + len, sz - len, " %6d", txpwr[offs]); \
len += scnprintf(buf + len, sz - len, "\n"); \
})
#define mt7915_txpower_sets(rate, pwr, flag) \
({ \
offs += len; \
len = mt7915_sku_group_len[rate]; \
if (mode == flag) { \
for (i = 0; i < len; i++) \
req.txpower_sku[offs + i] = pwr; \
} \
})
static ssize_t
mt7915_rate_txpower_get(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct mt7915_phy *phy = file->private_data;
struct mt7915_dev *dev = phy->dev;
s8 txpwr[MT7915_SKU_RATE_NUM];
static const size_t sz = 2048;
u8 band = phy->mt76->band_idx;
int i, offs = 0, len = 0;
ssize_t ret;
char *buf;
u32 reg;
buf = kzalloc(sz, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = mt7915_mcu_get_txpower_sku(phy, txpwr, sizeof(txpwr));
if (ret)
goto out;
/* Txpower propagation path: TMAC -> TXV -> BBP */
len += scnprintf(buf + len, sz - len,
"\nPhy%d Tx power table (channel %d)\n",
phy != &dev->phy, phy->mt76->chandef.chan->hw_value);
len += scnprintf(buf + len, sz - len, "%-16s %6s %6s %6s %6s\n",
" ", "1m", "2m", "5m", "11m");
mt7915_txpower_puts(CCK, SKU_CCK);
len += scnprintf(buf + len, sz - len,
"%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n",
" ", "6m", "9m", "12m", "18m", "24m", "36m", "48m",
"54m");
mt7915_txpower_puts(OFDM, SKU_OFDM);
len += scnprintf(buf + len, sz - len,
"%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n",
" ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4",
"mcs5", "mcs6", "mcs7");
mt7915_txpower_puts(HT20, SKU_HT_BW20);
len += scnprintf(buf + len, sz - len,
"%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n",
" ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
"mcs6", "mcs7", "mcs32");
mt7915_txpower_puts(HT40, SKU_HT_BW40);
len += scnprintf(buf + len, sz - len,
"%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n",
" ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
"mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11");
mt7915_txpower_puts(VHT20, SKU_VHT_BW20);
mt7915_txpower_puts(VHT40, SKU_VHT_BW40);
mt7915_txpower_puts(VHT80, SKU_VHT_BW80);
mt7915_txpower_puts(VHT160, SKU_VHT_BW160);
mt7915_txpower_puts(HE26, SKU_HE_RU26);
mt7915_txpower_puts(HE52, SKU_HE_RU52);
mt7915_txpower_puts(HE106, SKU_HE_RU106);
mt7915_txpower_puts(HE242, SKU_HE_RU242);
mt7915_txpower_puts(HE484, SKU_HE_RU484);
mt7915_txpower_puts(HE996, SKU_HE_RU996);
mt7915_txpower_puts(HE996x2, SKU_HE_RU2x996);
reg = is_mt7915(&dev->mt76) ? MT_WF_PHY_TPC_CTRL_STAT(band) :
MT_WF_PHY_TPC_CTRL_STAT_MT7916(band);
len += scnprintf(buf + len, sz - len, "\nTx power (bbp) : %6ld\n",
mt76_get_field(dev, reg, MT_WF_PHY_TPC_POWER));
ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
out:
kfree(buf);
return ret;
}
static ssize_t
mt7915_rate_txpower_set(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct mt7915_phy *phy = file->private_data;
struct mt7915_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
struct mt7915_mcu_txpower_sku req = {
.format_id = TX_POWER_LIMIT_TABLE,
.band_idx = phy->mt76->band_idx,
};
char buf[100];
int i, ret, pwr160 = 0, pwr80 = 0, pwr40 = 0, pwr20 = 0;
enum mac80211_rx_encoding mode;
u32 offs = 0, len = 0;
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, "%u %u %u %u %u",
&mode, &pwr160, &pwr80, &pwr40, &pwr20) != 5) {
dev_warn(dev->mt76.dev,
"per bandwidth power limit: Mode BW160 BW80 BW40 BW20");
return -EINVAL;
}
if (mode > RX_ENC_HE)
return -EINVAL;
if (pwr160)
pwr160 = mt7915_get_power_bound(phy, pwr160);
if (pwr80)
pwr80 = mt7915_get_power_bound(phy, pwr80);
if (pwr40)
pwr40 = mt7915_get_power_bound(phy, pwr40);
if (pwr20)
pwr20 = mt7915_get_power_bound(phy, pwr20);
if (pwr160 < 0 || pwr80 < 0 || pwr40 < 0 || pwr20 < 0)
return -EINVAL;
mutex_lock(&dev->mt76.mutex);
ret = mt7915_mcu_get_txpower_sku(phy, req.txpower_sku,
sizeof(req.txpower_sku));
if (ret)
goto out;
mt7915_txpower_sets(SKU_CCK, pwr20, RX_ENC_LEGACY);
mt7915_txpower_sets(SKU_OFDM, pwr20, RX_ENC_LEGACY);
if (mode == RX_ENC_LEGACY)
goto skip;
mt7915_txpower_sets(SKU_HT_BW20, pwr20, RX_ENC_HT);
mt7915_txpower_sets(SKU_HT_BW40, pwr40, RX_ENC_HT);
if (mode == RX_ENC_HT)
goto skip;
mt7915_txpower_sets(SKU_VHT_BW20, pwr20, RX_ENC_VHT);
mt7915_txpower_sets(SKU_VHT_BW40, pwr40, RX_ENC_VHT);
mt7915_txpower_sets(SKU_VHT_BW80, pwr80, RX_ENC_VHT);
mt7915_txpower_sets(SKU_VHT_BW160, pwr160, RX_ENC_VHT);
if (mode == RX_ENC_VHT)
goto skip;
mt7915_txpower_sets(SKU_HE_RU26, pwr20, RX_ENC_HE + 1);
mt7915_txpower_sets(SKU_HE_RU52, pwr20, RX_ENC_HE + 1);
mt7915_txpower_sets(SKU_HE_RU106, pwr20, RX_ENC_HE + 1);
mt7915_txpower_sets(SKU_HE_RU242, pwr20, RX_ENC_HE);
mt7915_txpower_sets(SKU_HE_RU484, pwr40, RX_ENC_HE);
mt7915_txpower_sets(SKU_HE_RU996, pwr80, RX_ENC_HE);
mt7915_txpower_sets(SKU_HE_RU2x996, pwr160, RX_ENC_HE);
skip:
ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(TX_POWER_FEATURE_CTRL),
&req, sizeof(req), true);
if (ret)
goto out;
mphy->txpower_cur = max(mphy->txpower_cur,
max(pwr160, max(pwr80, max(pwr40, pwr20))));
out:
mutex_unlock(&dev->mt76.mutex);
return ret ? ret : count;
}
static const struct file_operations mt7915_rate_txpower_fops = {
.write = mt7915_rate_txpower_set,
.read = mt7915_rate_txpower_get,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static int
mt7915_twt_stats(struct seq_file *s, void *data)
{
struct mt7915_dev *dev = dev_get_drvdata(s->private);
struct mt7915_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
mt7915_rf_regval_get(void *data, u64 *val)
{
struct mt7915_dev *dev = data;
u32 regval;
int ret;
ret = mt7915_mcu_rf_regval(dev, dev->mt76.debugfs_reg, &regval, false);
if (ret)
return ret;
*val = regval;
return 0;
}
static int
mt7915_rf_regval_set(void *data, u64 val)
{
struct mt7915_dev *dev = data;
u32 val32 = val;
return mt7915_mcu_rf_regval(dev, dev->mt76.debugfs_reg, &val32, true);
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7915_rf_regval_get,
mt7915_rf_regval_set, "0x%08llx\n");
int mt7915_init_debugfs(struct mt7915_phy *phy)
{
struct mt7915_dev *dev = phy->dev;
bool ext_phy = phy != &dev->phy;
struct dentry *dir;
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_stats", 0400, dir, phy,
&mt7915_muru_stats_fops);
debugfs_create_file("hw-queues", 0400, dir, phy,
&mt7915_hw_queues_fops);
debugfs_create_file("xmit-queues", 0400, dir, phy,
&mt7915_xmit_queues_fops);
debugfs_create_file("tx_stats", 0400, dir, phy, &mt7915_tx_stats_fops);
debugfs_create_file("sys_recovery", 0600, dir, phy,
&mt7915_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_wm", 0400, dir, dev,
&mt7915_fw_util_wm_fops);
debugfs_create_file("fw_util_wa", 0400, dir, dev,
&mt7915_fw_util_wa_fops);
debugfs_create_file("implicit_txbf", 0600, dir, dev,
&fops_implicit_txbf);
debugfs_create_file("txpower_sku", 0400, dir, phy,
&mt7915_rate_txpower_fops);
debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir,
mt7915_twt_stats);
debugfs_create_file("rf_regval", 0600, dir, dev, &fops_rf_regval);
if (!dev->dbdc_support || phy->mt76->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 **/
static ssize_t mt7915_sta_fixed_rate_set(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
struct mt7915_dev *dev = msta->vif->phy->dev;
struct ieee80211_vif *vif;
struct sta_phy phy = {};
char buf[100];
int ret;
u32 field;
u8 i, gi, he_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
* ldpc - off: 0, on: 1
* stbc - off: 0, on: 1
* he_ltf - 1xltf: 0, 2xltf: 1, 4xltf: 2
*/
if (sscanf(buf, "%hhu %hhu %hhu %hhu %hhu %hhu %hhu %hhu",
&phy.type, &phy.bw, &phy.nss, &phy.mcs, &gi,
&phy.ldpc, &phy.stbc, &he_ltf) != 8) {
dev_warn(dev->mt76.dev,
"format: Mode BW NSS MCS (HE)GI LDPC STBC HE_LTF\n");
field = RATE_PARAM_AUTO;
goto out;
}
phy.ldpc = (phy.bw || phy.ldpc) * GENMASK(2, 0);
for (i = 0; i <= phy.bw; i++) {
phy.sgi |= gi << (i << sta->deflink.he_cap.has_he);
phy.he_ltf |= he_ltf << (i << sta->deflink.he_cap.has_he);
}
field = RATE_PARAM_FIXED;
out:
vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy, field);
if (ret)
return -EFAULT;
return count;
}
static const struct file_operations fops_fixed_rate = {
.write = mt7915_sta_fixed_rate_set,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static int
mt7915_queues_show(struct seq_file *s, void *data)
{
struct ieee80211_sta *sta = s->private;
mt7915_sta_hw_queue_read(s, sta);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(mt7915_queues);
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("hw-queues", 0400, dir, sta, &mt7915_queues_fops);
}
#endif