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zircon-guest/third_party/linux/refs/heads/linux-rolling-stable/./drivers/net/wireless/ath/ath12k/debugfs.c
blob: d17d4a8f1cb7d3bbf32f1481b4d6ea75dfcfca34 [file] [edit]
// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
* Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
* Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
*/
#include "core.h"
#include "dp_tx.h"
#include "debug.h"
#include "debugfs.h"
#include "debugfs_htt_stats.h"
static ssize_t ath12k_write_simulate_radar(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath12k *ar = file->private_data;
int ret;
wiphy_lock(ath12k_ar_to_hw(ar)->wiphy);
ret = ath12k_wmi_simulate_radar(ar);
if (ret)
goto exit;
ret = count;
exit:
wiphy_unlock(ath12k_ar_to_hw(ar)->wiphy);
return ret;
}
static const struct file_operations fops_simulate_radar = {
.write = ath12k_write_simulate_radar,
.open = simple_open
};
static ssize_t ath12k_read_simulate_fw_crash(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
const char buf[] =
"To simulate firmware crash write one of the keywords to this file:\n"
"`assert` - send WMI_FORCE_FW_HANG_CMDID to firmware to cause assert.\n";
return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
static ssize_t
ath12k_write_simulate_fw_crash(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath12k_base *ab = file->private_data;
struct ath12k_pdev *pdev;
struct ath12k *ar = NULL;
char buf[32] = {};
int i, ret;
ssize_t rc;
/* filter partial writes and invalid commands */
if (*ppos != 0 || count >= sizeof(buf) || count == 0)
return -EINVAL;
rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
if (rc < 0)
return rc;
/* drop the possible '\n' from the end */
if (buf[*ppos - 1] == '\n')
buf[*ppos - 1] = '\0';
for (i = 0; i < ab->num_radios; i++) {
pdev = &ab->pdevs[i];
ar = pdev->ar;
if (ar)
break;
}
if (!ar)
return -ENETDOWN;
if (!strcmp(buf, "assert")) {
ath12k_info(ab, "simulating firmware assert crash\n");
ret = ath12k_wmi_force_fw_hang_cmd(ar,
ATH12K_WMI_FW_HANG_ASSERT_TYPE,
ATH12K_WMI_FW_HANG_DELAY);
} else {
return -EINVAL;
}
if (ret) {
ath12k_warn(ab, "failed to simulate firmware crash: %d\n", ret);
return ret;
}
return count;
}
static const struct file_operations fops_simulate_fw_crash = {
.read = ath12k_read_simulate_fw_crash,
.write = ath12k_write_simulate_fw_crash,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath12k_write_tpc_stats_type(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath12k *ar = file->private_data;
u8 type;
int ret;
ret = kstrtou8_from_user(user_buf, count, 0, &type);
if (ret)
return ret;
if (type >= WMI_HALPHY_PDEV_TX_STATS_MAX)
return -EINVAL;
spin_lock_bh(&ar->data_lock);
ar->debug.tpc_stats_type = type;
spin_unlock_bh(&ar->data_lock);
return count;
}
static int ath12k_debug_tpc_stats_request(struct ath12k *ar)
{
enum wmi_halphy_ctrl_path_stats_id tpc_stats_sub_id;
struct ath12k_base *ab = ar->ab;
int ret;
lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy);
reinit_completion(&ar->debug.tpc_complete);
spin_lock_bh(&ar->data_lock);
ar->debug.tpc_request = true;
tpc_stats_sub_id = ar->debug.tpc_stats_type;
spin_unlock_bh(&ar->data_lock);
ret = ath12k_wmi_send_tpc_stats_request(ar, tpc_stats_sub_id);
if (ret) {
ath12k_warn(ab, "failed to request pdev tpc stats: %d\n", ret);
spin_lock_bh(&ar->data_lock);
ar->debug.tpc_request = false;
spin_unlock_bh(&ar->data_lock);
return ret;
}
return 0;
}
static int ath12k_get_tpc_ctl_mode_idx(struct wmi_tpc_stats_arg *tpc_stats,
enum wmi_tpc_pream_bw pream_bw, int *mode_idx)
{
u32 chan_freq = le32_to_cpu(tpc_stats->tpc_config.chan_freq);
u8 band;
band = ((chan_freq > ATH12K_MIN_6GHZ_FREQ) ? NL80211_BAND_6GHZ :
((chan_freq > ATH12K_MIN_5GHZ_FREQ) ? NL80211_BAND_5GHZ :
NL80211_BAND_2GHZ));
if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ) {
switch (pream_bw) {
case WMI_TPC_PREAM_HT20:
case WMI_TPC_PREAM_VHT20:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_HT_VHT20_5GHZ_6GHZ;
break;
case WMI_TPC_PREAM_HE20:
case WMI_TPC_PREAM_EHT20:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_HE_EHT20_5GHZ_6GHZ;
break;
case WMI_TPC_PREAM_HT40:
case WMI_TPC_PREAM_VHT40:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_HT_VHT40_5GHZ_6GHZ;
break;
case WMI_TPC_PREAM_HE40:
case WMI_TPC_PREAM_EHT40:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_HE_EHT40_5GHZ_6GHZ;
break;
case WMI_TPC_PREAM_VHT80:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_VHT80_5GHZ_6GHZ;
break;
case WMI_TPC_PREAM_EHT60:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_EHT80_SU_PUNC20;
break;
case WMI_TPC_PREAM_HE80:
case WMI_TPC_PREAM_EHT80:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_HE_EHT80_5GHZ_6GHZ;
break;
case WMI_TPC_PREAM_VHT160:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_VHT160_5GHZ_6GHZ;
break;
case WMI_TPC_PREAM_EHT120:
case WMI_TPC_PREAM_EHT140:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_EHT160_SU_PUNC20;
break;
case WMI_TPC_PREAM_HE160:
case WMI_TPC_PREAM_EHT160:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_HE_EHT160_5GHZ_6GHZ;
break;
case WMI_TPC_PREAM_EHT200:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_EHT320_SU_PUNC120;
break;
case WMI_TPC_PREAM_EHT240:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_EHT320_SU_PUNC80;
break;
case WMI_TPC_PREAM_EHT280:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_EHT320_SU_PUNC40;
break;
case WMI_TPC_PREAM_EHT320:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_HE_EHT320_5GHZ_6GHZ;
break;
default:
/* for 5GHZ and 6GHZ, default case will be for OFDM */
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_LEGACY_5GHZ_6GHZ;
break;
}
} else {
switch (pream_bw) {
case WMI_TPC_PREAM_OFDM:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_LEGACY_2GHZ;
break;
case WMI_TPC_PREAM_HT20:
case WMI_TPC_PREAM_VHT20:
case WMI_TPC_PREAM_HE20:
case WMI_TPC_PREAM_EHT20:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_HT20_2GHZ;
break;
case WMI_TPC_PREAM_HT40:
case WMI_TPC_PREAM_VHT40:
case WMI_TPC_PREAM_HE40:
case WMI_TPC_PREAM_EHT40:
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_HT40_2GHZ;
break;
default:
/* for 2GHZ, default case will be CCK */
*mode_idx = ATH12K_TPC_STATS_CTL_MODE_CCK_2GHZ;
break;
}
}
return 0;
}
static s16 ath12k_tpc_get_rate(struct ath12k *ar,
struct wmi_tpc_stats_arg *tpc_stats,
u32 rate_idx, u32 num_chains, u32 rate_code,
enum wmi_tpc_pream_bw pream_bw,
enum wmi_halphy_ctrl_path_stats_id type,
u32 eht_rate_idx)
{
u32 tot_nss, tot_modes, txbf_on_off, index_offset1, index_offset2, index_offset3;
u8 chain_idx, stm_idx, num_streams;
bool is_mu, txbf_enabled = 0;
s8 rates_ctl_min, tpc_ctl;
s16 rates, tpc, reg_pwr;
u16 rate1, rate2;
int mode, ret;
num_streams = 1 + ATH12K_HW_NSS(rate_code);
chain_idx = num_chains - 1;
stm_idx = num_streams - 1;
mode = -1;
ret = ath12k_get_tpc_ctl_mode_idx(tpc_stats, pream_bw, &mode);
if (ret) {
ath12k_warn(ar->ab, "Invalid mode index received\n");
tpc = TPC_INVAL;
goto out;
}
if (num_chains < num_streams) {
tpc = TPC_INVAL;
goto out;
}
if (le32_to_cpu(tpc_stats->tpc_config.num_tx_chain) <= 1) {
tpc = TPC_INVAL;
goto out;
}
if (type == WMI_HALPHY_PDEV_TX_SUTXBF_STATS ||
type == WMI_HALPHY_PDEV_TX_MUTXBF_STATS)
txbf_enabled = 1;
if (type == WMI_HALPHY_PDEV_TX_MU_STATS ||
type == WMI_HALPHY_PDEV_TX_MUTXBF_STATS) {
is_mu = true;
} else {
is_mu = false;
}
/* Below is the min calculation of ctl array, rates array and
* regulator power table. tpc is minimum of all 3
*/
if (pream_bw >= WMI_TPC_PREAM_EHT20 && pream_bw <= WMI_TPC_PREAM_EHT320) {
rate2 = tpc_stats->rates_array2.rate_array[eht_rate_idx];
if (is_mu)
rates = u32_get_bits(rate2, ATH12K_TPC_RATE_ARRAY_MU);
else
rates = u32_get_bits(rate2, ATH12K_TPC_RATE_ARRAY_SU);
} else {
rate1 = tpc_stats->rates_array1.rate_array[rate_idx];
if (is_mu)
rates = u32_get_bits(rate1, ATH12K_TPC_RATE_ARRAY_MU);
else
rates = u32_get_bits(rate1, ATH12K_TPC_RATE_ARRAY_SU);
}
if (tpc_stats->tlvs_rcvd & WMI_TPC_CTL_PWR_ARRAY) {
tot_nss = le32_to_cpu(tpc_stats->ctl_array.tpc_ctl_pwr.d1);
tot_modes = le32_to_cpu(tpc_stats->ctl_array.tpc_ctl_pwr.d2);
txbf_on_off = le32_to_cpu(tpc_stats->ctl_array.tpc_ctl_pwr.d3);
index_offset1 = txbf_on_off * tot_modes * tot_nss;
index_offset2 = tot_modes * tot_nss;
index_offset3 = tot_nss;
tpc_ctl = *(tpc_stats->ctl_array.ctl_pwr_table +
chain_idx * index_offset1 + txbf_enabled * index_offset2
+ mode * index_offset3 + stm_idx);
} else {
tpc_ctl = TPC_MAX;
ath12k_warn(ar->ab,
"ctl array for tpc stats not received from fw\n");
}
rates_ctl_min = min_t(s16, rates, tpc_ctl);
reg_pwr = tpc_stats->max_reg_allowed_power.reg_pwr_array[chain_idx];
if (reg_pwr < 0)
reg_pwr = TPC_INVAL;
tpc = min_t(s16, rates_ctl_min, reg_pwr);
/* MODULATION_LIMIT is the maximum power limit,tpc should not exceed
* modulation limit even if min tpc of all three array is greater
* modulation limit
*/
tpc = min_t(s16, tpc, MODULATION_LIMIT);
out:
return tpc;
}
static u16 ath12k_get_ratecode(u16 pream_idx, u16 nss, u16 mcs_rate)
{
u16 mode_type = ~0;
/* Below assignments are just for printing purpose only */
switch (pream_idx) {
case WMI_TPC_PREAM_CCK:
mode_type = WMI_RATE_PREAMBLE_CCK;
break;
case WMI_TPC_PREAM_OFDM:
mode_type = WMI_RATE_PREAMBLE_OFDM;
break;
case WMI_TPC_PREAM_HT20:
case WMI_TPC_PREAM_HT40:
mode_type = WMI_RATE_PREAMBLE_HT;
break;
case WMI_TPC_PREAM_VHT20:
case WMI_TPC_PREAM_VHT40:
case WMI_TPC_PREAM_VHT80:
case WMI_TPC_PREAM_VHT160:
mode_type = WMI_RATE_PREAMBLE_VHT;
break;
case WMI_TPC_PREAM_HE20:
case WMI_TPC_PREAM_HE40:
case WMI_TPC_PREAM_HE80:
case WMI_TPC_PREAM_HE160:
mode_type = WMI_RATE_PREAMBLE_HE;
break;
case WMI_TPC_PREAM_EHT20:
case WMI_TPC_PREAM_EHT40:
case WMI_TPC_PREAM_EHT60:
case WMI_TPC_PREAM_EHT80:
case WMI_TPC_PREAM_EHT120:
case WMI_TPC_PREAM_EHT140:
case WMI_TPC_PREAM_EHT160:
case WMI_TPC_PREAM_EHT200:
case WMI_TPC_PREAM_EHT240:
case WMI_TPC_PREAM_EHT280:
case WMI_TPC_PREAM_EHT320:
mode_type = WMI_RATE_PREAMBLE_EHT;
if (mcs_rate == 0 || mcs_rate == 1)
mcs_rate += 14;
else
mcs_rate -= 2;
break;
default:
return mode_type;
}
return ((mode_type << 8) | ((nss & 0x7) << 5) | (mcs_rate & 0x1F));
}
static bool ath12k_he_supports_extra_mcs(struct ath12k *ar, int freq)
{
struct ath12k_pdev_cap *cap = &ar->pdev->cap;
struct ath12k_band_cap *cap_band;
bool extra_mcs_supported;
if (freq <= ATH12K_2GHZ_MAX_FREQUENCY)
cap_band = &cap->band[NL80211_BAND_2GHZ];
else if (freq <= ATH12K_5GHZ_MAX_FREQUENCY)
cap_band = &cap->band[NL80211_BAND_5GHZ];
else
cap_band = &cap->band[NL80211_BAND_6GHZ];
extra_mcs_supported = u32_get_bits(cap_band->he_cap_info[1],
HE_EXTRA_MCS_SUPPORT);
return extra_mcs_supported;
}
static int ath12k_tpc_fill_pream(struct ath12k *ar, char *buf, int buf_len, int len,
enum wmi_tpc_pream_bw pream_bw, u32 max_rix,
int max_nss, int max_rates, int pream_type,
enum wmi_halphy_ctrl_path_stats_id tpc_type,
int rate_idx, int eht_rate_idx)
{
struct wmi_tpc_stats_arg *tpc_stats = ar->debug.tpc_stats;
int nss, rates, chains;
u8 active_tx_chains;
u16 rate_code;
s16 tpc;
static const char *const pream_str[] = {
[WMI_TPC_PREAM_CCK] = "CCK",
[WMI_TPC_PREAM_OFDM] = "OFDM",
[WMI_TPC_PREAM_HT20] = "HT20",
[WMI_TPC_PREAM_HT40] = "HT40",
[WMI_TPC_PREAM_VHT20] = "VHT20",
[WMI_TPC_PREAM_VHT40] = "VHT40",
[WMI_TPC_PREAM_VHT80] = "VHT80",
[WMI_TPC_PREAM_VHT160] = "VHT160",
[WMI_TPC_PREAM_HE20] = "HE20",
[WMI_TPC_PREAM_HE40] = "HE40",
[WMI_TPC_PREAM_HE80] = "HE80",
[WMI_TPC_PREAM_HE160] = "HE160",
[WMI_TPC_PREAM_EHT20] = "EHT20",
[WMI_TPC_PREAM_EHT40] = "EHT40",
[WMI_TPC_PREAM_EHT60] = "EHT60",
[WMI_TPC_PREAM_EHT80] = "EHT80",
[WMI_TPC_PREAM_EHT120] = "EHT120",
[WMI_TPC_PREAM_EHT140] = "EHT140",
[WMI_TPC_PREAM_EHT160] = "EHT160",
[WMI_TPC_PREAM_EHT200] = "EHT200",
[WMI_TPC_PREAM_EHT240] = "EHT240",
[WMI_TPC_PREAM_EHT280] = "EHT280",
[WMI_TPC_PREAM_EHT320] = "EHT320"};
active_tx_chains = ar->num_tx_chains;
for (nss = 0; nss < max_nss; nss++) {
for (rates = 0; rates < max_rates; rates++, rate_idx++, max_rix++) {
/* FW send extra MCS(10&11) for VHT and HE rates,
* this is not used. Hence skipping it here
*/
if (pream_type == WMI_RATE_PREAMBLE_VHT &&
rates > ATH12K_VHT_MCS_MAX)
continue;
if (pream_type == WMI_RATE_PREAMBLE_HE &&
rates > ATH12K_HE_MCS_MAX)
continue;
if (pream_type == WMI_RATE_PREAMBLE_EHT &&
rates > ATH12K_EHT_MCS_MAX)
continue;
rate_code = ath12k_get_ratecode(pream_bw, nss, rates);
len += scnprintf(buf + len, buf_len - len,
"%d\t %s\t 0x%03x\t", max_rix,
pream_str[pream_bw], rate_code);
for (chains = 0; chains < active_tx_chains; chains++) {
if (nss > chains) {
len += scnprintf(buf + len,
buf_len - len,
"\t%s", "NA");
} else {
tpc = ath12k_tpc_get_rate(ar, tpc_stats,
rate_idx, chains + 1,
rate_code, pream_bw,
tpc_type,
eht_rate_idx);
if (tpc == TPC_INVAL) {
len += scnprintf(buf + len,
buf_len - len, "\tNA");
} else {
len += scnprintf(buf + len,
buf_len - len, "\t%d",
tpc);
}
}
}
len += scnprintf(buf + len, buf_len - len, "\n");
if (pream_type == WMI_RATE_PREAMBLE_EHT)
/*For fetching the next eht rates pwr from rates array2*/
++eht_rate_idx;
}
}
return len;
}
static int ath12k_tpc_stats_print(struct ath12k *ar,
struct wmi_tpc_stats_arg *tpc_stats,
char *buf, size_t len,
enum wmi_halphy_ctrl_path_stats_id type)
{
u32 eht_idx = 0, pream_idx = 0, rate_pream_idx = 0, total_rates = 0, max_rix = 0;
u32 chan_freq, num_tx_chain, caps, i, j = 1;
size_t buf_len = ATH12K_TPC_STATS_BUF_SIZE;
u8 nss, active_tx_chains;
bool he_ext_mcs;
static const char *const type_str[WMI_HALPHY_PDEV_TX_STATS_MAX] = {
[WMI_HALPHY_PDEV_TX_SU_STATS] = "SU",
[WMI_HALPHY_PDEV_TX_SUTXBF_STATS] = "SU WITH TXBF",
[WMI_HALPHY_PDEV_TX_MU_STATS] = "MU",
[WMI_HALPHY_PDEV_TX_MUTXBF_STATS] = "MU WITH TXBF"};
u8 max_rates[WMI_TPC_PREAM_MAX] = {
[WMI_TPC_PREAM_CCK] = ATH12K_CCK_RATES,
[WMI_TPC_PREAM_OFDM] = ATH12K_OFDM_RATES,
[WMI_TPC_PREAM_HT20] = ATH12K_HT_RATES,
[WMI_TPC_PREAM_HT40] = ATH12K_HT_RATES,
[WMI_TPC_PREAM_VHT20] = ATH12K_VHT_RATES,
[WMI_TPC_PREAM_VHT40] = ATH12K_VHT_RATES,
[WMI_TPC_PREAM_VHT80] = ATH12K_VHT_RATES,
[WMI_TPC_PREAM_VHT160] = ATH12K_VHT_RATES,
[WMI_TPC_PREAM_HE20] = ATH12K_HE_RATES,
[WMI_TPC_PREAM_HE40] = ATH12K_HE_RATES,
[WMI_TPC_PREAM_HE80] = ATH12K_HE_RATES,
[WMI_TPC_PREAM_HE160] = ATH12K_HE_RATES,
[WMI_TPC_PREAM_EHT20] = ATH12K_EHT_RATES,
[WMI_TPC_PREAM_EHT40] = ATH12K_EHT_RATES,
[WMI_TPC_PREAM_EHT60] = ATH12K_EHT_RATES,
[WMI_TPC_PREAM_EHT80] = ATH12K_EHT_RATES,
[WMI_TPC_PREAM_EHT120] = ATH12K_EHT_RATES,
[WMI_TPC_PREAM_EHT140] = ATH12K_EHT_RATES,
[WMI_TPC_PREAM_EHT160] = ATH12K_EHT_RATES,
[WMI_TPC_PREAM_EHT200] = ATH12K_EHT_RATES,
[WMI_TPC_PREAM_EHT240] = ATH12K_EHT_RATES,
[WMI_TPC_PREAM_EHT280] = ATH12K_EHT_RATES,
[WMI_TPC_PREAM_EHT320] = ATH12K_EHT_RATES};
static const u8 max_nss[WMI_TPC_PREAM_MAX] = {
[WMI_TPC_PREAM_CCK] = ATH12K_NSS_1,
[WMI_TPC_PREAM_OFDM] = ATH12K_NSS_1,
[WMI_TPC_PREAM_HT20] = ATH12K_NSS_4,
[WMI_TPC_PREAM_HT40] = ATH12K_NSS_4,
[WMI_TPC_PREAM_VHT20] = ATH12K_NSS_8,
[WMI_TPC_PREAM_VHT40] = ATH12K_NSS_8,
[WMI_TPC_PREAM_VHT80] = ATH12K_NSS_8,
[WMI_TPC_PREAM_VHT160] = ATH12K_NSS_4,
[WMI_TPC_PREAM_HE20] = ATH12K_NSS_8,
[WMI_TPC_PREAM_HE40] = ATH12K_NSS_8,
[WMI_TPC_PREAM_HE80] = ATH12K_NSS_8,
[WMI_TPC_PREAM_HE160] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT20] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT40] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT60] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT80] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT120] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT140] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT160] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT200] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT240] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT280] = ATH12K_NSS_4,
[WMI_TPC_PREAM_EHT320] = ATH12K_NSS_4};
u16 rate_idx[WMI_TPC_PREAM_MAX] = {}, eht_rate_idx[WMI_TPC_PREAM_MAX] = {};
static const u8 pream_type[WMI_TPC_PREAM_MAX] = {
[WMI_TPC_PREAM_CCK] = WMI_RATE_PREAMBLE_CCK,
[WMI_TPC_PREAM_OFDM] = WMI_RATE_PREAMBLE_OFDM,
[WMI_TPC_PREAM_HT20] = WMI_RATE_PREAMBLE_HT,
[WMI_TPC_PREAM_HT40] = WMI_RATE_PREAMBLE_HT,
[WMI_TPC_PREAM_VHT20] = WMI_RATE_PREAMBLE_VHT,
[WMI_TPC_PREAM_VHT40] = WMI_RATE_PREAMBLE_VHT,
[WMI_TPC_PREAM_VHT80] = WMI_RATE_PREAMBLE_VHT,
[WMI_TPC_PREAM_VHT160] = WMI_RATE_PREAMBLE_VHT,
[WMI_TPC_PREAM_HE20] = WMI_RATE_PREAMBLE_HE,
[WMI_TPC_PREAM_HE40] = WMI_RATE_PREAMBLE_HE,
[WMI_TPC_PREAM_HE80] = WMI_RATE_PREAMBLE_HE,
[WMI_TPC_PREAM_HE160] = WMI_RATE_PREAMBLE_HE,
[WMI_TPC_PREAM_EHT20] = WMI_RATE_PREAMBLE_EHT,
[WMI_TPC_PREAM_EHT40] = WMI_RATE_PREAMBLE_EHT,
[WMI_TPC_PREAM_EHT60] = WMI_RATE_PREAMBLE_EHT,
[WMI_TPC_PREAM_EHT80] = WMI_RATE_PREAMBLE_EHT,
[WMI_TPC_PREAM_EHT120] = WMI_RATE_PREAMBLE_EHT,
[WMI_TPC_PREAM_EHT140] = WMI_RATE_PREAMBLE_EHT,
[WMI_TPC_PREAM_EHT160] = WMI_RATE_PREAMBLE_EHT,
[WMI_TPC_PREAM_EHT200] = WMI_RATE_PREAMBLE_EHT,
[WMI_TPC_PREAM_EHT240] = WMI_RATE_PREAMBLE_EHT,
[WMI_TPC_PREAM_EHT280] = WMI_RATE_PREAMBLE_EHT,
[WMI_TPC_PREAM_EHT320] = WMI_RATE_PREAMBLE_EHT};
chan_freq = le32_to_cpu(tpc_stats->tpc_config.chan_freq);
num_tx_chain = le32_to_cpu(tpc_stats->tpc_config.num_tx_chain);
caps = le32_to_cpu(tpc_stats->tpc_config.caps);
active_tx_chains = ar->num_tx_chains;
he_ext_mcs = ath12k_he_supports_extra_mcs(ar, chan_freq);
/* mcs 12&13 is sent by FW for certain HWs in rate array, skipping it as
* it is not supported
*/
if (he_ext_mcs) {
for (i = WMI_TPC_PREAM_HE20; i <= WMI_TPC_PREAM_HE160; ++i)
max_rates[i] = ATH12K_HE_RATES;
}
if (type == WMI_HALPHY_PDEV_TX_MU_STATS ||
type == WMI_HALPHY_PDEV_TX_MUTXBF_STATS) {
pream_idx = WMI_TPC_PREAM_VHT20;
for (i = WMI_TPC_PREAM_CCK; i <= WMI_TPC_PREAM_HT40; ++i)
max_rix += max_nss[i] * max_rates[i];
}
/* Enumerate all the rate indices */
for (i = rate_pream_idx + 1; i < WMI_TPC_PREAM_MAX; i++) {
nss = (max_nss[i - 1] < num_tx_chain ?
max_nss[i - 1] : num_tx_chain);
rate_idx[i] = rate_idx[i - 1] + max_rates[i - 1] * nss;
if (pream_type[i] == WMI_RATE_PREAMBLE_EHT) {
eht_rate_idx[j] = eht_rate_idx[j - 1] + max_rates[i] * nss;
++j;
}
}
for (i = 0; i < WMI_TPC_PREAM_MAX; i++) {
nss = (max_nss[i] < num_tx_chain ?
max_nss[i] : num_tx_chain);
total_rates += max_rates[i] * nss;
}
len += scnprintf(buf + len, buf_len - len,
"No.of rates-%d\n", total_rates);
len += scnprintf(buf + len, buf_len - len,
"**************** %s ****************\n",
type_str[type]);
len += scnprintf(buf + len, buf_len - len,
"\t\t\t\tTPC values for Active chains\n");
len += scnprintf(buf + len, buf_len - len,
"Rate idx Preamble Rate code");
for (i = 1; i <= active_tx_chains; ++i) {
len += scnprintf(buf + len, buf_len - len,
"\t%d-Chain", i);
}
len += scnprintf(buf + len, buf_len - len, "\n");
for (i = pream_idx; i < WMI_TPC_PREAM_MAX; i++) {
if (chan_freq <= 2483) {
if (i == WMI_TPC_PREAM_VHT80 ||
i == WMI_TPC_PREAM_VHT160 ||
i == WMI_TPC_PREAM_HE80 ||
i == WMI_TPC_PREAM_HE160 ||
(i >= WMI_TPC_PREAM_EHT60 &&
i <= WMI_TPC_PREAM_EHT320)) {
max_rix += max_nss[i] * max_rates[i];
continue;
}
} else {
if (i == WMI_TPC_PREAM_CCK) {
max_rix += max_rates[i];
continue;
}
}
nss = (max_nss[i] < ar->num_tx_chains ? max_nss[i] : ar->num_tx_chains);
if (!(caps &
(1 << ATH12K_TPC_STATS_SUPPORT_BE_PUNC))) {
if (i == WMI_TPC_PREAM_EHT60 || i == WMI_TPC_PREAM_EHT120 ||
i == WMI_TPC_PREAM_EHT140 || i == WMI_TPC_PREAM_EHT200 ||
i == WMI_TPC_PREAM_EHT240 || i == WMI_TPC_PREAM_EHT280) {
max_rix += max_nss[i] * max_rates[i];
continue;
}
}
len = ath12k_tpc_fill_pream(ar, buf, buf_len, len, i, max_rix, nss,
max_rates[i], pream_type[i],
type, rate_idx[i], eht_rate_idx[eht_idx]);
if (pream_type[i] == WMI_RATE_PREAMBLE_EHT)
/*For fetch the next index eht rates from rates array2*/
++eht_idx;
max_rix += max_nss[i] * max_rates[i];
}
return len;
}
static void ath12k_tpc_stats_fill(struct ath12k *ar,
struct wmi_tpc_stats_arg *tpc_stats,
char *buf)
{
size_t buf_len = ATH12K_TPC_STATS_BUF_SIZE;
struct wmi_tpc_config_params *tpc;
size_t len = 0;
if (!tpc_stats) {
ath12k_warn(ar->ab, "failed to find tpc stats\n");
return;
}
spin_lock_bh(&ar->data_lock);
tpc = &tpc_stats->tpc_config;
len += scnprintf(buf + len, buf_len - len, "\n");
len += scnprintf(buf + len, buf_len - len,
"*************** TPC config **************\n");
len += scnprintf(buf + len, buf_len - len,
"* powers are in 0.25 dBm steps\n");
len += scnprintf(buf + len, buf_len - len,
"reg domain-%d\t\tchan freq-%d\n",
tpc->reg_domain, tpc->chan_freq);
len += scnprintf(buf + len, buf_len - len,
"power limit-%d\t\tmax reg-domain Power-%d\n",
le32_to_cpu(tpc->twice_max_reg_power) / 2, tpc->power_limit);
len += scnprintf(buf + len, buf_len - len,
"No.of tx chain-%d\t",
ar->num_tx_chains);
ath12k_tpc_stats_print(ar, tpc_stats, buf, len,
ar->debug.tpc_stats_type);
spin_unlock_bh(&ar->data_lock);
}
static int ath12k_open_tpc_stats(struct inode *inode, struct file *file)
{
struct ath12k *ar = inode->i_private;
struct ath12k_hw *ah = ath12k_ar_to_ah(ar);
int ret;
guard(wiphy)(ath12k_ar_to_hw(ar)->wiphy);
if (ah->state != ATH12K_HW_STATE_ON) {
ath12k_warn(ar->ab, "Interface not up\n");
return -ENETDOWN;
}
void *buf __free(kfree) = kzalloc(ATH12K_TPC_STATS_BUF_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = ath12k_debug_tpc_stats_request(ar);
if (ret) {
ath12k_warn(ar->ab, "failed to request tpc stats: %d\n",
ret);
return ret;
}
if (!wait_for_completion_timeout(&ar->debug.tpc_complete, TPC_STATS_WAIT_TIME)) {
spin_lock_bh(&ar->data_lock);
ath12k_wmi_free_tpc_stats_mem(ar);
ar->debug.tpc_request = false;
spin_unlock_bh(&ar->data_lock);
return -ETIMEDOUT;
}
ath12k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf);
file->private_data = no_free_ptr(buf);
spin_lock_bh(&ar->data_lock);
ath12k_wmi_free_tpc_stats_mem(ar);
spin_unlock_bh(&ar->data_lock);
return 0;
}
static ssize_t ath12k_read_tpc_stats(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
const char *buf = file->private_data;
size_t len = strlen(buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static int ath12k_release_tpc_stats(struct inode *inode,
struct file *file)
{
kfree(file->private_data);
return 0;
}
static const struct file_operations fops_tpc_stats = {
.open = ath12k_open_tpc_stats,
.release = ath12k_release_tpc_stats,
.read = ath12k_read_tpc_stats,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static const struct file_operations fops_tpc_stats_type = {
.write = ath12k_write_tpc_stats_type,
.open = simple_open,
.llseek = default_llseek,
};
static ssize_t ath12k_write_extd_rx_stats(struct file *file,
const char __user *ubuf,
size_t count, loff_t *ppos)
{
struct ath12k *ar = file->private_data;
struct htt_rx_ring_tlv_filter tlv_filter = {};
u32 ring_id, rx_filter = 0;
bool enable;
int ret, i;
if (kstrtobool_from_user(ubuf, count, &enable))
return -EINVAL;
wiphy_lock(ath12k_ar_to_hw(ar)->wiphy);
if (!ar->ab->hw_params->rxdma1_enable) {
ret = count;
goto exit;
}
if (ar->ah->state != ATH12K_HW_STATE_ON) {
ret = -ENETDOWN;
goto exit;
}
if (enable == ar->debug.extd_rx_stats) {
ret = count;
goto exit;
}
if (enable) {
rx_filter = HTT_RX_FILTER_TLV_FLAGS_MPDU_START;
rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_START;
rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_END;
rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_END_USER_STATS;
rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_END_USER_STATS_EXT;
rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_END_STATUS_DONE;
rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_START_USER_INFO;
tlv_filter.rx_filter = rx_filter;
tlv_filter.pkt_filter_flags0 = HTT_RX_FP_MGMT_FILTER_FLAGS0;
tlv_filter.pkt_filter_flags1 = HTT_RX_FP_MGMT_FILTER_FLAGS1;
tlv_filter.pkt_filter_flags2 = HTT_RX_FP_CTRL_FILTER_FLASG2;
tlv_filter.pkt_filter_flags3 = HTT_RX_FP_CTRL_FILTER_FLASG3 |
HTT_RX_FP_DATA_FILTER_FLASG3;
} else {
tlv_filter = ath12k_mac_mon_status_filter_default;
}
ar->debug.rx_filter = tlv_filter.rx_filter;
for (i = 0; i < ar->ab->hw_params->num_rxdma_per_pdev; i++) {
ring_id = ar->dp.rxdma_mon_dst_ring[i].ring_id;
ret = ath12k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, ar->dp.mac_id + i,
HAL_RXDMA_MONITOR_DST,
DP_RXDMA_REFILL_RING_SIZE,
&tlv_filter);
if (ret) {
ath12k_warn(ar->ab, "failed to set rx filter for monitor status ring\n");
goto exit;
}
}
ar->debug.extd_rx_stats = !!enable;
ret = count;
exit:
wiphy_unlock(ath12k_ar_to_hw(ar)->wiphy);
return ret;
}
static ssize_t ath12k_read_extd_rx_stats(struct file *file,
char __user *ubuf,
size_t count, loff_t *ppos)
{
struct ath12k *ar = file->private_data;
char buf[32];
int len = 0;
wiphy_lock(ath12k_ar_to_hw(ar)->wiphy);
len = scnprintf(buf, sizeof(buf) - len, "%d\n",
ar->debug.extd_rx_stats);
wiphy_unlock(ath12k_ar_to_hw(ar)->wiphy);
return simple_read_from_buffer(ubuf, count, ppos, buf, len);
}
static const struct file_operations fops_extd_rx_stats = {
.read = ath12k_read_extd_rx_stats,
.write = ath12k_write_extd_rx_stats,
.open = simple_open,
};
static int ath12k_open_link_stats(struct inode *inode, struct file *file)
{
struct ath12k_vif *ahvif = inode->i_private;
size_t len = 0, buf_len = (PAGE_SIZE * 2);
struct ath12k_link_stats linkstat;
struct ath12k_link_vif *arvif;
unsigned long links_map;
struct wiphy *wiphy;
int link_id, i;
char *buf;
if (!ahvif)
return -EINVAL;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
wiphy = ahvif->ah->hw->wiphy;
wiphy_lock(wiphy);
links_map = ahvif->links_map;
for_each_set_bit(link_id, &links_map,
IEEE80211_MLD_MAX_NUM_LINKS) {
arvif = rcu_dereference_protected(ahvif->link[link_id],
lockdep_is_held(&wiphy->mtx));
spin_lock_bh(&arvif->link_stats_lock);
linkstat = arvif->link_stats;
spin_unlock_bh(&arvif->link_stats_lock);
len += scnprintf(buf + len, buf_len - len,
"link[%d] Tx Unicast Frames Enqueued = %d\n",
link_id, linkstat.tx_enqueued);
len += scnprintf(buf + len, buf_len - len,
"link[%d] Tx Broadcast Frames Enqueued = %d\n",
link_id, linkstat.tx_bcast_mcast);
len += scnprintf(buf + len, buf_len - len,
"link[%d] Tx Frames Completed = %d\n",
link_id, linkstat.tx_completed);
len += scnprintf(buf + len, buf_len - len,
"link[%d] Tx Frames Dropped = %d\n",
link_id, linkstat.tx_dropped);
len += scnprintf(buf + len, buf_len - len,
"link[%d] Tx Frame descriptor Encap Type = ",
link_id);
len += scnprintf(buf + len, buf_len - len,
" raw:%d",
linkstat.tx_encap_type[0]);
len += scnprintf(buf + len, buf_len - len,
" native_wifi:%d",
linkstat.tx_encap_type[1]);
len += scnprintf(buf + len, buf_len - len,
" ethernet:%d",
linkstat.tx_encap_type[2]);
len += scnprintf(buf + len, buf_len - len,
"\nlink[%d] Tx Frame descriptor Encrypt Type = ",
link_id);
for (i = 0; i < DP_ENCRYPT_TYPE_MAX; i++) {
len += scnprintf(buf + len, buf_len - len,
" %d:%d", i,
linkstat.tx_encrypt_type[i]);
}
len += scnprintf(buf + len, buf_len - len,
"\nlink[%d] Tx Frame descriptor Type = buffer:%d extension:%d\n",
link_id, linkstat.tx_desc_type[0],
linkstat.tx_desc_type[1]);
len += scnprintf(buf + len, buf_len - len,
"------------------------------------------------------\n");
}
wiphy_unlock(wiphy);
file->private_data = buf;
return 0;
}
static int ath12k_release_link_stats(struct inode *inode, struct file *file)
{
kfree(file->private_data);
return 0;
}
static ssize_t ath12k_read_link_stats(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
const char *buf = file->private_data;
size_t len = strlen(buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static const struct file_operations ath12k_fops_link_stats = {
.open = ath12k_open_link_stats,
.release = ath12k_release_link_stats,
.read = ath12k_read_link_stats,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
void ath12k_debugfs_op_vif_add(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct ath12k_vif *ahvif = ath12k_vif_to_ahvif(vif);
debugfs_create_file("link_stats", 0400, vif->debugfs_dir, ahvif,
&ath12k_fops_link_stats);
}
EXPORT_SYMBOL(ath12k_debugfs_op_vif_add);
static ssize_t ath12k_debugfs_dump_device_dp_stats(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath12k_base *ab = file->private_data;
struct ath12k_dp *dp = ath12k_ab_to_dp(ab);
struct ath12k_device_dp_stats *device_stats = &dp->device_stats;
int len = 0, i, j, ret;
struct ath12k *ar;
const int size = 4096;
static const char *rxdma_err[HAL_REO_ENTR_RING_RXDMA_ECODE_MAX] = {
[HAL_REO_ENTR_RING_RXDMA_ECODE_OVERFLOW_ERR] = "Overflow",
[HAL_REO_ENTR_RING_RXDMA_ECODE_MPDU_LEN_ERR] = "MPDU len",
[HAL_REO_ENTR_RING_RXDMA_ECODE_FCS_ERR] = "FCS",
[HAL_REO_ENTR_RING_RXDMA_ECODE_DECRYPT_ERR] = "Decrypt",
[HAL_REO_ENTR_RING_RXDMA_ECODE_TKIP_MIC_ERR] = "TKIP MIC",
[HAL_REO_ENTR_RING_RXDMA_ECODE_UNECRYPTED_ERR] = "Unencrypt",
[HAL_REO_ENTR_RING_RXDMA_ECODE_MSDU_LEN_ERR] = "MSDU len",
[HAL_REO_ENTR_RING_RXDMA_ECODE_MSDU_LIMIT_ERR] = "MSDU limit",
[HAL_REO_ENTR_RING_RXDMA_ECODE_WIFI_PARSE_ERR] = "WiFi parse",
[HAL_REO_ENTR_RING_RXDMA_ECODE_AMSDU_PARSE_ERR] = "AMSDU parse",
[HAL_REO_ENTR_RING_RXDMA_ECODE_SA_TIMEOUT_ERR] = "SA timeout",
[HAL_REO_ENTR_RING_RXDMA_ECODE_DA_TIMEOUT_ERR] = "DA timeout",
[HAL_REO_ENTR_RING_RXDMA_ECODE_FLOW_TIMEOUT_ERR] = "Flow timeout",
[HAL_REO_ENTR_RING_RXDMA_ECODE_FLUSH_REQUEST_ERR] = "Flush req",
[HAL_REO_ENTR_RING_RXDMA_ECODE_AMSDU_FRAG_ERR] = "AMSDU frag",
[HAL_REO_ENTR_RING_RXDMA_ECODE_MULTICAST_ECHO_ERR] = "Multicast echo",
[HAL_REO_ENTR_RING_RXDMA_ECODE_AMSDU_MISMATCH_ERR] = "AMSDU mismatch",
[HAL_REO_ENTR_RING_RXDMA_ECODE_UNAUTH_WDS_ERR] = "Unauth WDS",
[HAL_REO_ENTR_RING_RXDMA_ECODE_GRPCAST_AMSDU_WDS_ERR] = "AMSDU or WDS"};
static const char *reo_err[HAL_REO_DEST_RING_ERROR_CODE_MAX] = {
[HAL_REO_DEST_RING_ERROR_CODE_DESC_ADDR_ZERO] = "Desc addr zero",
[HAL_REO_DEST_RING_ERROR_CODE_DESC_INVALID] = "Desc inval",
[HAL_REO_DEST_RING_ERROR_CODE_AMPDU_IN_NON_BA] = "AMPDU in non BA",
[HAL_REO_DEST_RING_ERROR_CODE_NON_BA_DUPLICATE] = "Non BA dup",
[HAL_REO_DEST_RING_ERROR_CODE_BA_DUPLICATE] = "BA dup",
[HAL_REO_DEST_RING_ERROR_CODE_FRAME_2K_JUMP] = "Frame 2k jump",
[HAL_REO_DEST_RING_ERROR_CODE_BAR_2K_JUMP] = "BAR 2k jump",
[HAL_REO_DEST_RING_ERROR_CODE_FRAME_OOR] = "Frame OOR",
[HAL_REO_DEST_RING_ERROR_CODE_BAR_OOR] = "BAR OOR",
[HAL_REO_DEST_RING_ERROR_CODE_NO_BA_SESSION] = "No BA session",
[HAL_REO_DEST_RING_ERROR_CODE_FRAME_SN_EQUALS_SSN] = "Frame SN equal SSN",
[HAL_REO_DEST_RING_ERROR_CODE_PN_CHECK_FAILED] = "PN check fail",
[HAL_REO_DEST_RING_ERROR_CODE_2K_ERR_FLAG_SET] = "2k err",
[HAL_REO_DEST_RING_ERROR_CODE_PN_ERR_FLAG_SET] = "PN err",
[HAL_REO_DEST_RING_ERROR_CODE_DESC_BLOCKED] = "Desc blocked"};
static const char *wbm_rel_src[HAL_WBM_REL_SRC_MODULE_MAX] = {
[HAL_WBM_REL_SRC_MODULE_TQM] = "TQM",
[HAL_WBM_REL_SRC_MODULE_RXDMA] = "Rxdma",
[HAL_WBM_REL_SRC_MODULE_REO] = "Reo",
[HAL_WBM_REL_SRC_MODULE_FW] = "FW",
[HAL_WBM_REL_SRC_MODULE_SW] = "SW"};
char *buf __free(kfree) = kzalloc(size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
len += scnprintf(buf + len, size - len, "DEVICE RX STATS:\n\n");
len += scnprintf(buf + len, size - len, "err ring pkts: %u\n",
device_stats->err_ring_pkts);
len += scnprintf(buf + len, size - len, "Invalid RBM: %u\n\n",
device_stats->invalid_rbm);
len += scnprintf(buf + len, size - len, "RXDMA errors:\n");
for (i = 0; i < HAL_REO_ENTR_RING_RXDMA_ECODE_MAX; i++)
len += scnprintf(buf + len, size - len, "%s: %u\n",
rxdma_err[i], device_stats->rxdma_error[i]);
len += scnprintf(buf + len, size - len, "\nREO errors:\n");
for (i = 0; i < HAL_REO_DEST_RING_ERROR_CODE_MAX; i++)
len += scnprintf(buf + len, size - len, "%s: %u\n",
reo_err[i], device_stats->reo_error[i]);
len += scnprintf(buf + len, size - len, "\nHAL REO errors:\n");
for (i = 0; i < DP_REO_DST_RING_MAX; i++)
len += scnprintf(buf + len, size - len,
"ring%d: %u\n", i,
device_stats->hal_reo_error[i]);
len += scnprintf(buf + len, size - len, "\nDEVICE TX STATS:\n");
len += scnprintf(buf + len, size - len, "\nTCL Ring Full Failures:\n");
for (i = 0; i < DP_TCL_NUM_RING_MAX; i++)
len += scnprintf(buf + len, size - len, "ring%d: %u\n",
i, device_stats->tx_err.desc_na[i]);
len += scnprintf(buf + len, size - len,
"\nMisc Transmit Failures: %d\n",
atomic_read(&device_stats->tx_err.misc_fail));
len += scnprintf(buf + len, size - len, "\ntx_wbm_rel_source:");
for (i = 0; i < HAL_WBM_REL_SRC_MODULE_MAX; i++)
len += scnprintf(buf + len, size - len, " %d:%u",
i, device_stats->tx_wbm_rel_source[i]);
len += scnprintf(buf + len, size - len, "\n");
len += scnprintf(buf + len, size - len, "\ntqm_rel_reason:");
for (i = 0; i < MAX_TQM_RELEASE_REASON; i++)
len += scnprintf(buf + len, size - len, " %d:%u",
i, device_stats->tqm_rel_reason[i]);
len += scnprintf(buf + len, size - len, "\n");
len += scnprintf(buf + len, size - len, "\nfw_tx_status:");
for (i = 0; i < MAX_FW_TX_STATUS; i++)
len += scnprintf(buf + len, size - len, " %d:%u",
i, device_stats->fw_tx_status[i]);
len += scnprintf(buf + len, size - len, "\n");
len += scnprintf(buf + len, size - len, "\ntx_enqueued:");
for (i = 0; i < DP_TCL_NUM_RING_MAX; i++)
len += scnprintf(buf + len, size - len, " %d:%u", i,
device_stats->tx_enqueued[i]);
len += scnprintf(buf + len, size - len, "\n");
len += scnprintf(buf + len, size - len, "\ntx_completed:");
for (i = 0; i < DP_TCL_NUM_RING_MAX; i++)
len += scnprintf(buf + len, size - len, " %d:%u",
i, device_stats->tx_completed[i]);
len += scnprintf(buf + len, size - len, "\n");
rcu_read_lock();
for (i = 0; i < ab->num_radios; i++) {
ar = ath12k_mac_get_ar_by_pdev_id(ab, DP_SW2HW_MACID(i));
if (ar) {
len += scnprintf(buf + len, size - len,
"\nradio%d tx_pending: %u\n", i,
atomic_read(&ar->dp.num_tx_pending));
}
}
rcu_read_unlock();
len += scnprintf(buf + len, size - len, "\nREO Rx Received:\n");
for (i = 0; i < DP_REO_DST_RING_MAX; i++) {
len += scnprintf(buf + len, size - len, "Ring%d:", i + 1);
for (j = 0; j < ATH12K_MAX_DEVICES; j++) {
len += scnprintf(buf + len, size - len,
"\t%d:%u", j,
device_stats->reo_rx[i][j]);
}
len += scnprintf(buf + len, size - len, "\n");
}
len += scnprintf(buf + len, size - len, "\nREO excep MSDU buf type:%u\n",
device_stats->reo_excep_msdu_buf_type);
len += scnprintf(buf + len, size - len, "\nRx WBM REL SRC Errors:\n");
for (i = 0; i < HAL_WBM_REL_SRC_MODULE_MAX; i++) {
len += scnprintf(buf + len, size - len, "%s:", wbm_rel_src[i]);
for (j = 0; j < ATH12K_MAX_DEVICES; j++) {
len += scnprintf(buf + len,
size - len,
"\t%d:%u", j,
device_stats->rx_wbm_rel_source[i][j]);
}
len += scnprintf(buf + len, size - len, "\n");
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
return ret;
}
static const struct file_operations fops_device_dp_stats = {
.read = ath12k_debugfs_dump_device_dp_stats,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
void ath12k_debugfs_pdev_create(struct ath12k_base *ab)
{
debugfs_create_file("simulate_fw_crash", 0600, ab->debugfs_soc, ab,
&fops_simulate_fw_crash);
debugfs_create_file("device_dp_stats", 0400, ab->debugfs_soc, ab,
&fops_device_dp_stats);
}
void ath12k_debugfs_soc_create(struct ath12k_base *ab)
{
bool dput_needed;
char soc_name[64] = {};
struct dentry *debugfs_ath12k;
debugfs_ath12k = debugfs_lookup("ath12k", NULL);
if (debugfs_ath12k) {
/* a dentry from lookup() needs dput() after we don't use it */
dput_needed = true;
} else {
debugfs_ath12k = debugfs_create_dir("ath12k", NULL);
if (IS_ERR_OR_NULL(debugfs_ath12k))
return;
dput_needed = false;
}
scnprintf(soc_name, sizeof(soc_name), "%s-%s", ath12k_bus_str(ab->hif.bus),
dev_name(ab->dev));
ab->debugfs_soc = debugfs_create_dir(soc_name, debugfs_ath12k);
if (dput_needed)
dput(debugfs_ath12k);
}
void ath12k_debugfs_soc_destroy(struct ath12k_base *ab)
{
debugfs_remove_recursive(ab->debugfs_soc);
ab->debugfs_soc = NULL;
/* We are not removing ath12k directory on purpose, even if it
* would be empty. This simplifies the directory handling and it's
* a minor cosmetic issue to leave an empty ath12k directory to
* debugfs.
*/
}
static int ath12k_open_vdev_stats(struct inode *inode, struct file *file)
{
struct ath12k *ar = inode->i_private;
struct ath12k_fw_stats_req_params param;
struct ath12k_hw *ah = ath12k_ar_to_ah(ar);
int ret;
guard(wiphy)(ath12k_ar_to_hw(ar)->wiphy);
if (!ah)
return -ENETDOWN;
if (ah->state != ATH12K_HW_STATE_ON)
return -ENETDOWN;
void *buf __free(kfree) = kzalloc(ATH12K_FW_STATS_BUF_SIZE, GFP_ATOMIC);
if (!buf)
return -ENOMEM;
param.pdev_id = ath12k_mac_get_target_pdev_id(ar);
/* VDEV stats is always sent for all active VDEVs from FW */
param.vdev_id = 0;
param.stats_id = WMI_REQUEST_VDEV_STAT;
ret = ath12k_mac_get_fw_stats(ar, &param);
if (ret) {
ath12k_warn(ar->ab, "failed to request fw vdev stats: %d\n", ret);
return ret;
}
ath12k_wmi_fw_stats_dump(ar, &ar->fw_stats, param.stats_id,
buf);
ath12k_fw_stats_reset(ar);
file->private_data = no_free_ptr(buf);
return 0;
}
static int ath12k_release_vdev_stats(struct inode *inode, struct file *file)
{
kfree(file->private_data);
return 0;
}
static ssize_t ath12k_read_vdev_stats(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
const char *buf = file->private_data;
size_t len = strlen(buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static const struct file_operations fops_vdev_stats = {
.open = ath12k_open_vdev_stats,
.release = ath12k_release_vdev_stats,
.read = ath12k_read_vdev_stats,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static int ath12k_open_bcn_stats(struct inode *inode, struct file *file)
{
struct ath12k *ar = inode->i_private;
struct ath12k_link_vif *arvif;
struct ath12k_fw_stats_req_params param;
struct ath12k_hw *ah = ath12k_ar_to_ah(ar);
int ret;
guard(wiphy)(ath12k_ar_to_hw(ar)->wiphy);
if (ah && ah->state != ATH12K_HW_STATE_ON)
return -ENETDOWN;
void *buf __free(kfree) = kzalloc(ATH12K_FW_STATS_BUF_SIZE, GFP_ATOMIC);
if (!buf)
return -ENOMEM;
param.pdev_id = ath12k_mac_get_target_pdev_id(ar);
param.stats_id = WMI_REQUEST_BCN_STAT;
/* loop all active VDEVs for bcn stats */
list_for_each_entry(arvif, &ar->arvifs, list) {
if (!arvif->is_up)
continue;
param.vdev_id = arvif->vdev_id;
ret = ath12k_mac_get_fw_stats(ar, &param);
if (ret) {
ath12k_warn(ar->ab, "failed to request fw bcn stats: %d\n", ret);
return ret;
}
}
ath12k_wmi_fw_stats_dump(ar, &ar->fw_stats, param.stats_id,
buf);
ath12k_fw_stats_reset(ar);
file->private_data = no_free_ptr(buf);
return 0;
}
static int ath12k_release_bcn_stats(struct inode *inode, struct file *file)
{
kfree(file->private_data);
return 0;
}
static ssize_t ath12k_read_bcn_stats(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
const char *buf = file->private_data;
size_t len = strlen(buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static const struct file_operations fops_bcn_stats = {
.open = ath12k_open_bcn_stats,
.release = ath12k_release_bcn_stats,
.read = ath12k_read_bcn_stats,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static int ath12k_open_pdev_stats(struct inode *inode, struct file *file)
{
struct ath12k *ar = inode->i_private;
struct ath12k_hw *ah = ath12k_ar_to_ah(ar);
struct ath12k_base *ab = ar->ab;
struct ath12k_fw_stats_req_params param;
int ret;
guard(wiphy)(ath12k_ar_to_hw(ar)->wiphy);
if (ah && ah->state != ATH12K_HW_STATE_ON)
return -ENETDOWN;
void *buf __free(kfree) = kzalloc(ATH12K_FW_STATS_BUF_SIZE, GFP_ATOMIC);
if (!buf)
return -ENOMEM;
param.pdev_id = ath12k_mac_get_target_pdev_id(ar);
param.vdev_id = 0;
param.stats_id = WMI_REQUEST_PDEV_STAT;
ret = ath12k_mac_get_fw_stats(ar, &param);
if (ret) {
ath12k_warn(ab, "failed to request fw pdev stats: %d\n", ret);
return ret;
}
ath12k_wmi_fw_stats_dump(ar, &ar->fw_stats, param.stats_id,
buf);
ath12k_fw_stats_reset(ar);
file->private_data = no_free_ptr(buf);
return 0;
}
static int ath12k_release_pdev_stats(struct inode *inode, struct file *file)
{
kfree(file->private_data);
return 0;
}
static ssize_t ath12k_read_pdev_stats(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
const char *buf = file->private_data;
size_t len = strlen(buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static const struct file_operations fops_pdev_stats = {
.open = ath12k_open_pdev_stats,
.release = ath12k_release_pdev_stats,
.read = ath12k_read_pdev_stats,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t
ath12k_write_simulate_incumbent_signal_interference(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath12k *ar = file->private_data;
struct ath12k_hw *ah = ath12k_ar_to_ah(ar);
struct wiphy *wiphy = ath12k_ar_to_hw(ar)->wiphy;
u32 chan_bw_interference_bitmap;
int ret;
if (ah->state != ATH12K_HW_STATE_ON)
return -ENETDOWN;
/*
* Bitmap uses the firmware primary-based ordering documented in
* ath12k_wmi_transform_interference_bitmap() & intf_map_80.
*/
if (kstrtou32_from_user(user_buf, count, 0, &chan_bw_interference_bitmap))
return -EINVAL;
wiphy_lock(wiphy);
ret = ath12k_wmi_simulate_incumbent_signal_interference(ar, chan_bw_interference_bitmap);
if (ret)
goto exit;
ret = count;
exit:
wiphy_unlock(wiphy);
return ret;
}
static const struct file_operations fops_simulate_incumbent_signal_interference = {
.write = ath12k_write_simulate_incumbent_signal_interference,
.open = simple_open,
};
static
void ath12k_debugfs_fw_stats_register(struct ath12k *ar)
{
struct dentry *fwstats_dir = debugfs_create_dir("fw_stats",
ar->debug.debugfs_pdev);
/* all stats debugfs files created are under "fw_stats" directory
* created per PDEV
*/
debugfs_create_file("vdev_stats", 0600, fwstats_dir, ar,
&fops_vdev_stats);
debugfs_create_file("beacon_stats", 0600, fwstats_dir, ar,
&fops_bcn_stats);
debugfs_create_file("pdev_stats", 0600, fwstats_dir, ar,
&fops_pdev_stats);
ath12k_fw_stats_init(ar);
}
void ath12k_debugfs_register(struct ath12k *ar)
{
struct ath12k_base *ab = ar->ab;
struct ieee80211_hw *hw = ar->ah->hw;
struct ath12k_hw *ah = ath12k_hw_to_ah(hw);
struct dentry *ath12k_fs;
char buf[100] = {};
char pdev_name[5];
scnprintf(pdev_name, sizeof(pdev_name), "%s%d", "mac", ar->pdev_idx);
ar->debug.debugfs_pdev = debugfs_create_dir(pdev_name, ab->debugfs_soc);
/* Create a symlink under ieee80211/phy* */
if (ar->radio_idx == 0) {
scnprintf(buf, sizeof(buf), "../../ath12k/%pd2",
ar->debug.debugfs_pdev);
ath12k_fs = hw->wiphy->debugfsdir;
/* symbolic link for compatibility */
ar->debug.debugfs_pdev_symlink_default = debugfs_create_symlink("ath12k",
ath12k_fs,
buf);
}
if (ah->num_radio > 1) {
scnprintf(buf, sizeof(buf), "../../../ath12k/%pd2",
ar->debug.debugfs_pdev);
ath12k_fs = hw->wiphy->radio_cfg[ar->radio_idx].radio_debugfsdir;
ar->debug.debugfs_pdev_symlink = debugfs_create_symlink("ath12k",
ath12k_fs,
buf);
}
if (ar->mac.sbands[NL80211_BAND_5GHZ].channels) {
debugfs_create_file("dfs_simulate_radar", 0200,
ar->debug.debugfs_pdev, ar,
&fops_simulate_radar);
}
debugfs_create_file("tpc_stats", 0400, ar->debug.debugfs_pdev, ar,
&fops_tpc_stats);
debugfs_create_file("tpc_stats_type", 0200, ar->debug.debugfs_pdev,
ar, &fops_tpc_stats_type);
init_completion(&ar->debug.tpc_complete);
if (ar->mac.sbands[NL80211_BAND_6GHZ].channels &&
test_bit(WMI_TLV_SERVICE_DCS_INCUMBENT_SIGNAL_INTERFERENCE_SUPPORT,
ar->ab->wmi_ab.svc_map)) {
debugfs_create_file("simulate_incumbent_signal_interference", 0200,
ar->debug.debugfs_pdev, ar,
&fops_simulate_incumbent_signal_interference);
}
ath12k_debugfs_htt_stats_register(ar);
ath12k_debugfs_fw_stats_register(ar);
debugfs_create_file("ext_rx_stats", 0644,
ar->debug.debugfs_pdev, ar,
&fops_extd_rx_stats);
}
void ath12k_debugfs_unregister(struct ath12k *ar)
{
if (!ar->debug.debugfs_pdev)
return;
/* Remove symlink under ieee80211/phy* */
debugfs_remove(ar->debug.debugfs_pdev_symlink);
debugfs_remove(ar->debug.debugfs_pdev_symlink_default);
debugfs_remove_recursive(ar->debug.debugfs_pdev);
ar->debug.debugfs_pdev_symlink = NULL;
ar->debug.debugfs_pdev_symlink_default = NULL;
ar->debug.debugfs_pdev = NULL;
}