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debug.c
4739 lines (3920 loc) · 126 KB
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debug.c
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// SPDX-License-Identifier: ISC
/*
* Copyright (c) 2005-2011 Atheros Communications Inc.
* Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
*/
#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/vmalloc.h>
#include <linux/crc32.h>
#include <linux/firmware.h>
#include "core.h"
#include "debug.h"
#include "hif.h"
#include "wmi-ops.h"
#include "mac.h"
#include "coredump.h"
/* ms */
#define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000
#define ATH10K_DEBUG_CAL_DATA_LEN 12064
#define ATH10K_DEBUG_NOP_INTERVAL 2000 /* ms */
void ath10k_info(struct ath10k *ar, const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
if (ath10k_debug_mask & ATH10K_DBG_INFO_AS_DBG)
dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf);
else
dev_info(ar->dev, "%pV", &vaf);
trace_ath10k_log_info(ar, &vaf);
va_end(args);
}
EXPORT_SYMBOL(ath10k_info);
void ath10k_debug_print_hwfw_info(struct ath10k *ar)
{
const struct firmware *firmware;
char fw_features[360] = {};
u32 crc = 0;
ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features));
ath10k_info(ar, "%s target 0x%08x chip_id 0x%08x sub %04x:%04x",
ar->hw_params.name,
ar->target_version,
ar->bus_param.chip_id,
ar->id.subsystem_vendor, ar->id.subsystem_device);
ath10k_info(ar, "kconfig debug %d debugfs %d tracing %d dfs %d testmode %d\n",
IS_ENABLED(CONFIG_ATH10K_DEBUG),
IS_ENABLED(CONFIG_ATH10K_DEBUGFS),
IS_ENABLED(CONFIG_ATH10K_TRACING),
IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED),
IS_ENABLED(CONFIG_NL80211_TESTMODE));
firmware = ar->normal_mode_fw.fw_file.firmware;
if (firmware)
crc = crc32_le(0, firmware->data, firmware->size);
ath10k_info(ar, "firmware ver %s api %d features %s crc32 %08x\n",
ar->hw->wiphy->fw_version,
ar->fw_api,
fw_features,
crc);
}
void ath10k_debug_print_board_info(struct ath10k *ar)
{
char boardinfo[100];
const struct firmware *board;
u32 crc;
if (ar->id.bmi_ids_valid)
scnprintf(boardinfo, sizeof(boardinfo), "%d:%d",
ar->id.bmi_chip_id, ar->id.bmi_board_id);
else
scnprintf(boardinfo, sizeof(boardinfo), "N/A");
board = ar->normal_mode_fw.board;
if (!IS_ERR_OR_NULL(board))
crc = crc32_le(0, board->data, board->size);
else
crc = 0xdeadbeef;
ath10k_info(ar, "board_file api %d bmi_id %s crc32 %08x",
ar->bd_api,
boardinfo,
crc);
}
void ath10k_debug_print_boot_info(struct ath10k *ar)
{
ath10k_info(ar, "htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d\n",
ar->htt.target_version_major,
ar->htt.target_version_minor,
ar->normal_mode_fw.fw_file.wmi_op_version,
ar->normal_mode_fw.fw_file.htt_op_version,
ath10k_cal_mode_str(ar->cal_mode),
ar->max_num_stations,
test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags),
!test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags));
}
void ath10k_print_driver_info(struct ath10k *ar)
{
ath10k_debug_print_hwfw_info(ar);
ath10k_debug_print_board_info(ar);
ath10k_debug_print_boot_info(ar);
}
EXPORT_SYMBOL(ath10k_print_driver_info);
void ath10k_set_debug_mask(unsigned int v) {
ath10k_debug_mask = v;
}
EXPORT_SYMBOL(ath10k_set_debug_mask);
void ath10k_err(struct ath10k *ar, const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
dev_err(ar->dev, "%pV", &vaf);
trace_ath10k_log_err(ar, &vaf);
va_end(args);
}
EXPORT_SYMBOL(ath10k_err);
void ath10k_warn(struct ath10k *ar, const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
dev_warn(ar->dev, "%pV", &vaf);
trace_ath10k_log_warn(ar, &vaf);
va_end(args);
}
EXPORT_SYMBOL(ath10k_warn);
#ifdef CONFIG_ATH10K_DEBUGFS
static ssize_t ath10k_read_wmi_services(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char *buf;
size_t len = 0, buf_len = 8192;
const char *name;
ssize_t ret_cnt;
bool enabled;
int i;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&ar->conf_mutex);
spin_lock_bh(&ar->data_lock);
for (i = 0; i < WMI_SERVICE_MAX; i++) {
enabled = test_bit(i, ar->wmi.svc_map);
name = wmi_service_name(i);
if (!name) {
if (enabled)
len += scnprintf(buf + len, buf_len - len,
"%-40s %s (bit %d)\n",
"unknown", "enabled", i);
continue;
}
len += scnprintf(buf + len, buf_len - len,
"%-40s %s\n",
name, enabled ? "enabled" : "-");
}
spin_unlock_bh(&ar->data_lock);
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_wmi_services = {
.read = ath10k_read_wmi_services,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_read_misc(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char *buf;
unsigned int len = 0, buf_len = 1000;
ssize_t ret_cnt;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&ar->conf_mutex);
if (len > buf_len)
len = buf_len;
/* Probably need some sort of locking on the tx-queue?? */
len = snprintf(buf, 1000, "off-channel qlen: %d\n",
skb_queue_len(&ar->offchan_tx_queue));
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_misc = {
.read = ath10k_read_misc,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_read_fwinfo(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char *buf;
unsigned int len = 0, buf_len = 1000;
ssize_t ret_cnt;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&ar->conf_mutex);
len = snprintf(buf, buf_len, "directory: %s\nfirmware: %s\nfwcfg: fwcfg-%s-%s.txt\nbus: %s\nfeatures: ",
ar->hw_params.fw.dir, ar->running_fw->fw_file.fw_name,
ath10k_bus_str(ar->hif.bus), dev_name(ar->dev), dev_name(ar->dev));
ath10k_core_get_fw_features_str(ar, buf + len, buf_len - len);
/* Just to be safe */
buf[buf_len - 1] = 0;
len = strlen(buf);
len += snprintf(buf + len, buf_len - len, "\nversion: %s\nhw_rev: ",
ar->hw->wiphy->fw_version);
switch (ar->hw_rev) {
case ATH10K_HW_QCA988X:
len += snprintf(buf + len, buf_len - len, "988x\n");
break;
case ATH10K_HW_QCA9887:
len += snprintf(buf + len, buf_len - len, "9887\n");
break;
case ATH10K_HW_QCA9888:
len += snprintf(buf + len, buf_len - len, "9888\n");
break;
case ATH10K_HW_WCN3990:
len += snprintf(buf + len, buf_len - len, "3990\n");
break;
case ATH10K_HW_QCA6174:
len += snprintf(buf + len, buf_len - len, "6174\n");
break;
case ATH10K_HW_QCA99X0:
len += snprintf(buf + len, buf_len - len, "99x0\n");
break;
case ATH10K_HW_QCA9984:
len += snprintf(buf + len, buf_len - len, "9984\n");
break;
case ATH10K_HW_QCA9377:
len += snprintf(buf + len, buf_len - len, "9377\n");
break;
case ATH10K_HW_QCA4019:
len += snprintf(buf + len, buf_len - len, "4019\n");
break;
}
len += snprintf(buf + len, buf_len - len, "board: %s\n",
ar->normal_mode_fw.fw_file.fw_board_name);
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_fwinfo_services = {
.read = ath10k_read_fwinfo,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_read_peers(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char *buf;
unsigned int len = 0, buf_len = 10000;
ssize_t ret_cnt;
struct ath10k_peer *peer;
int q;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&ar->conf_mutex);
spin_lock_bh(&ar->data_lock);
list_for_each_entry(peer, &ar->peers, list) {
len += snprintf(buf + len, buf_len - len, "%pM vdev-id: %d peer-ids:",
peer->addr, peer->vdev_id);
for (q = 0; q<ATH10K_MAX_NUM_PEER_IDS; q++) {
if (test_bit(q, peer->peer_ids)) {
len += snprintf(buf + len, buf_len - len, " %d", q);
}
}
len += snprintf(buf + len, buf_len - len, "\n");
}
spin_unlock_bh(&ar->data_lock);
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_peers = {
.read = ath10k_read_peers,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static void ath10k_fw_stats_pdevs_free(struct list_head *head)
{
struct ath10k_fw_stats_pdev *i, *tmp;
list_for_each_entry_safe(i, tmp, head, list) {
list_del(&i->list);
kfree(i);
}
}
static void ath10k_fw_stats_vdevs_free(struct list_head *head)
{
struct ath10k_fw_stats_vdev *i, *tmp;
list_for_each_entry_safe(i, tmp, head, list) {
list_del(&i->list);
kfree(i);
}
}
static void ath10k_fw_stats_peers_free(struct list_head *head)
{
struct ath10k_fw_stats_peer *i, *tmp;
list_for_each_entry_safe(i, tmp, head, list) {
list_del(&i->list);
kfree(i);
}
}
static void ath10k_fw_extd_stats_peers_free(struct list_head *head)
{
struct ath10k_fw_extd_stats_peer *i, *tmp;
list_for_each_entry_safe(i, tmp, head, list) {
list_del(&i->list);
kfree(i);
}
}
static void ath10k_debug_fw_stats_reset(struct ath10k *ar)
{
spin_lock_bh(&ar->data_lock);
ar->debug.fw_stats_done = false;
ar->debug.fw_stats.extended = false;
ath10k_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs);
ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers);
ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd);
spin_unlock_bh(&ar->data_lock);
}
void ath10k_debug_fw_ratepwr_table_process(struct ath10k *ar, struct sk_buff *skb)
{
size_t sz = skb->len;
if (sz != sizeof(struct qc988xxEepromRateTbl)) {
ath10k_info(ar, "Invalid ratepwr table results length, expected: %d got: %d\n",
(int)(sizeof(struct qc988xxEepromRateTbl)), (int)sz);
sz = min(sz, sizeof(struct qc988xxEepromRateTbl));
}
memcpy(ar->debug.ratepwr_tbl.data, skb->data, sz);
complete(&ar->debug.ratepwr_tbl_complete);
}
void ath10k_debug_fw_powerctl_table_process(struct ath10k *ar, struct sk_buff *skb)
{
size_t sz = skb->len;
if (sz != sizeof(struct qca9880_power_ctrl)) {
ath10k_info(ar, "Invalid powerctl table results length, expected: %d got: %d\n",
(int)(sizeof(struct qca9880_power_ctrl)), (int)sz);
sz = min(sz, sizeof(struct qca9880_power_ctrl));
}
memcpy(ar->debug.powerctl_tbl.data, skb->data, sz);
complete(&ar->debug.powerctl_tbl_complete);
}
void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
{
struct ath10k_fw_stats stats = {};
bool is_start, is_started, is_end;
size_t num_peers;
size_t num_vdevs;
int ret;
const struct wmi_stats_event *ev = (void *)skb->data;
INIT_LIST_HEAD(&stats.pdevs);
INIT_LIST_HEAD(&stats.vdevs);
INIT_LIST_HEAD(&stats.peers);
INIT_LIST_HEAD(&stats.peers_extd);
spin_lock_bh(&ar->data_lock);
/*ath10k_warn(ar, "fw-stats-process: stats-id: 0x%x(0x%x)\n", ev->stats_id, __le32_to_cpu(ev->stats_id));*/
/* CT Firmware only */
if (__le32_to_cpu(ev->stats_id) == WMI_REQUEST_STAT_CUSTOM) {
__le32* data;
u32 stats_len;
u32 *my_stats = NULL;
u32 my_len = 0;
if ((ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_2) ||
(ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_4) ||
(ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_2_4)) {
const struct wmi_10_2_stats_event *ev2 = (void *)skb->data;
data = (__le32*)(ev2->data);
stats_len = (skb->len - sizeof(*ev2)) / 4;
} else {
/* Must be 10.1 */
data = (__le32*)(ev->data);
stats_len = (skb->len - sizeof(*ev)) / 4;
}
/*ath10k_err(ar, "id: %d stats_len: %d skb->len: %d\n",
ev->num_pdev_stats, stats_len, skb->len);*/
if (ev->num_pdev_stats == WMI_STAT_CUSTOM_RX_REORDER_STATS) {
my_len = sizeof(ar->debug.rx_reorder_stats) / 4;
my_len = min(my_len, stats_len);
my_stats = (u32*)(&(ar->debug.rx_reorder_stats));
}
else if (ev->num_pdev_stats == WMI_STAT_CUSTOM_PDEV_EXT_STATS) {
if (stats_len >= 10) {
struct ath10k_pdev_ext_stats_ct *pes = (void*)(data);
/* A bug in wave-1 (at least) FW caused us to get stats here when
* we should not. Fortunately, the bad stats are often shorter than 10
* 32-bit values, so we ignore those.
*/
my_len = __le32_to_cpu(pes->count) + 2;
if (my_len == stats_len) { /* make sure it is self-consistent */
if (my_len > (sizeof(*pes) / 4)) {
my_len = sizeof(*pes) / 4;
}
my_len = min(my_len, stats_len);
my_stats = (u32*)(&(ar->debug.pdev_ext_stats));
}
}
}
/* If we know about the stats, handle it here. */
if (my_stats) {
int i;
for (i = 0; i<my_len; i++) {
my_stats[i] = __le32_to_cpu(data[i]);
}
/* Post-process some stats */
if (ev->num_pdev_stats == WMI_STAT_CUSTOM_PDEV_EXT_STATS) {
/* These are in 2s compliment form, convert: f = (0 - ((f ^ 0x1ff) +1)) */
#define COMP2(a) ar->debug.pdev_ext_stats.a = (0 - ((ar->debug.pdev_ext_stats.a ^ 0x1ff) + 1)); \
if (ar->debug.pdev_ext_stats.a == -512) { ar->debug.pdev_ext_stats.a = 0x80; }
COMP2(chan_nf_0);
COMP2(chan_nf_1);
COMP2(chan_nf_2);
COMP2(chan_nf_3);
COMP2(chan_nf_sec80_1);
COMP2(chan_nf_sec80_2);
COMP2(chan_nf_sec80_3);
#undef COMP2
/* Calculate avg noise floor so we don't have to calculate it over and over in the rx path */
ar->debug.nf_sum[0] = ar->debug.pdev_ext_stats.chan_nf_0;
ar->debug.nf_sum[1] = ath10k_sum_sigs_2(ar->debug.pdev_ext_stats.chan_nf_0, ar->debug.pdev_ext_stats.chan_nf_1);
ar->debug.nf_sum[2] = ath10k_sum_sigs(ar->debug.pdev_ext_stats.chan_nf_0,
ar->debug.pdev_ext_stats.chan_nf_1,
ar->debug.pdev_ext_stats.chan_nf_2,
0x80);
ar->debug.nf_sum[3] = ath10k_sum_sigs(ar->debug.pdev_ext_stats.chan_nf_0,
ar->debug.pdev_ext_stats.chan_nf_1,
ar->debug.pdev_ext_stats.chan_nf_2,
ar->debug.pdev_ext_stats.chan_nf_3);
/* ath10k_warn(ar, "nf-stats: %d %d %d %d chan-nf: %d %d %d %d\n",
ar->debug.nf_sum[0], ar->debug.nf_sum[1],
ar->debug.nf_sum[2], ar->debug.nf_sum[3],
ar->debug.pdev_ext_stats.chan_nf_0,
ar->debug.pdev_ext_stats.chan_nf_1,
ar->debug.pdev_ext_stats.chan_nf_2,
ar->debug.pdev_ext_stats.chan_nf_3); */
}
}
ar->debug.fw_stats_done = true;
complete(&ar->debug.fw_stats_complete);
/*ath10k_warn(ar, "Completed stat-custom, my_len: %u\n", my_len);*/
goto free;
}
if (__le32_to_cpu(ev->stats_id) == WMI_REQUEST_REGISTER_DUMP) {
struct ath10k_reg_dump* regdump;
struct ath10k_fw_stats* sptr = &ar->debug.fw_stats;
int i;
if ((ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_2) ||
(ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_4) ||
(ar->running_fw->fw_file.wmi_op_version == ATH10K_FW_WMI_OP_VERSION_10_2_4)) {
const struct wmi_10_2_stats_event *ev2 = (void *)skb->data;
regdump = (struct ath10k_reg_dump*)(ev2->data);
} else {
/* Must be 10.1 */
regdump = (struct ath10k_reg_dump*)(ev->data);
}
for (i = 0; i < __le16_to_cpu(regdump->count); i++) {
u32 id = __le32_to_cpu(regdump->regpair[i].reg_id);
switch (id) {
case REG_DUMP_NONE:
break;
case MAC_FILTER_ADDR_L32:
sptr->mac_filter_addr_l32 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case MAC_FILTER_ADDR_U16:
sptr->mac_filter_addr_u16 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case DCU_SLOT_TIME:
sptr->dcu_slot_time = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PHY_BB_MODE_SELECT:
sptr->phy_bb_mode_select = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_BSSID_L32:
sptr->pcu_bssid_l32 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_BSSID_U16:
sptr->pcu_bssid_u16 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_BSSID2_L32:
sptr->pcu_bssid2_l32 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_BSSID2_U16:
sptr->pcu_bssid2_u16 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_STA_ADDR_U16:
sptr->pcu_sta_addr_u16 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case MAC_DMA_CFG:
sptr->mac_dma_cfg = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case MAC_DMA_TXCFG:
sptr->mac_dma_txcfg = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_STA_ADDR_L32:
sptr->pcu_sta_addr_l32 = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PCU_RXFILTER:
sptr->pcu_rxfilter = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case PHY_BB_GEN_CONTROLS:
sptr->phy_bb_gen_controls = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case DMA_IMR:
sptr->dma_imr = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case DMA_TXRX_IMR:
sptr->dma_txrx_imr = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_POWERMODE:
sptr->sw_powermode = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_CHAINMASK:
sptr->sw_chainmask_tx = (__le32_to_cpu(regdump->regpair[i].reg_val) >> 16);
sptr->sw_chainmask_rx = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_OPMODE:
sptr->sw_opmode = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_RXFILTER:
sptr->sw_rxfilter = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_LONG_RETRIES:
sptr->long_retries = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case SW_SHORT_RETRIES:
sptr->short_retries = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case ADC_TEMP:
sptr->adc_temp = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
case NF_CHAINS:
sptr->nfcal = __le32_to_cpu(regdump->regpair[i].reg_val);
break;
default: {
/* Foward-compat logic */
int max_supported = DBG_REG_DUMP_COUNT + ARRAY_SIZE(sptr->extra_regs);
if (id >= DBG_REG_DUMP_COUNT && id < max_supported) {
sptr->extra_regs[id - DBG_REG_DUMP_COUNT] = regdump->regpair[i].reg_val;
sptr->extras_count = max(sptr->extras_count, (int)(id - DBG_REG_DUMP_COUNT) + 1);
}
//ath10k_warn(ar, "dbg-regs, max-supported: %d id: %d extras-count: %d\n",
// max_supported, id, sptr->extras_count);
} /* default case */
}/* switch */
}
ar->debug.fw_stats_done = true;
complete(&ar->debug.fw_stats_complete);
goto free;
}
ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats);
if (ret) {
ath10k_warn(ar, "failed to pull fw stats: %d\n", ret);
goto free;
}
/* Stat data may exceed htc-wmi buffer limit. In such case firmware
* splits the stats data and delivers it in a ping-pong fashion of
* request cmd-update event.
*
* However there is no explicit end-of-data. Instead start-of-data is
* used as an implicit one. This works as follows:
* a) discard stat update events until one with pdev stats is
* delivered - this skips session started at end of (b)
* b) consume stat update events until another one with pdev stats is
* delivered which is treated as end-of-data and is itself discarded
*/
if (ath10k_peer_stats_enabled(ar))
ath10k_sta_update_rx_duration(ar, &stats);
if (ar->debug.fw_stats_done) {
if (!ath10k_peer_stats_enabled(ar))
ath10k_warn(ar, "received unsolicited stats update event\n");
goto free;
}
num_peers = ath10k_wmi_fw_stats_num_peers(&ar->debug.fw_stats.peers);
num_vdevs = ath10k_wmi_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs);
is_start = (list_empty(&ar->debug.fw_stats.pdevs) &&
!list_empty(&stats.pdevs));
is_end = (!list_empty(&ar->debug.fw_stats.pdevs) &&
!list_empty(&stats.pdevs));
if (is_start)
list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs);
if (is_end)
ar->debug.fw_stats_done = true;
if (stats.extended)
ar->debug.fw_stats.extended = true;
is_started = !list_empty(&ar->debug.fw_stats.pdevs);
if (is_started && !is_end) {
if (num_peers > ATH10K_MAX_NUM_PEER_IDS) {
/* Although this is unlikely impose a sane limit to
* prevent firmware from DoS-ing the host.
*/
ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers);
ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd);
ath10k_warn(ar, "dropping fw peer stats, num_peers: %d max-peer-ids: %d\n",
(int)(num_peers), (int)(ATH10K_MAX_NUM_PEER_IDS));
goto free;
}
if (num_vdevs > BITS_PER_LONG) {
ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
ath10k_warn(ar, "dropping fw vdev stats, num-vdevs: %d, bits-per-long: %d\n",
(int)(num_vdevs), (int)(BITS_PER_LONG));
goto free;
}
if (!list_empty(&stats.peers))
list_splice_tail_init(&stats.peers_extd,
&ar->debug.fw_stats.peers_extd);
list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers);
list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs);
}
complete(&ar->debug.fw_stats_complete);
free:
/* In some cases lists have been spliced and cleared. Free up
* resources if that is not the case.
*/
ath10k_fw_stats_pdevs_free(&stats.pdevs);
ath10k_fw_stats_vdevs_free(&stats.vdevs);
ath10k_fw_stats_peers_free(&stats.peers);
ath10k_fw_extd_stats_peers_free(&stats.peers_extd);
spin_unlock_bh(&ar->data_lock);
}
int ath10k_debug_fw_stats_request(struct ath10k *ar)
{
unsigned long timeout;
int ret;
lockdep_assert_held(&ar->conf_mutex);
timeout = jiffies + msecs_to_jiffies(1 * HZ);
ath10k_debug_fw_stats_reset(ar);
for (;;) {
if (time_after(jiffies, timeout))
return -ETIMEDOUT;
ret = ath10k_refresh_peer_stats(ar);
if (ret)
return ret;
spin_lock_bh(&ar->data_lock);
if (ar->debug.fw_stats_done) {
spin_unlock_bh(&ar->data_lock);
break;
}
spin_unlock_bh(&ar->data_lock);
}
return 0;
}
static int ath10k_fw_stats_open(struct inode *inode, struct file *file)
{
struct ath10k *ar = inode->i_private;
void *buf = NULL;
int ret;
mutex_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON) {
ret = -ENETDOWN;
goto err_unlock;
}
buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE);
if (!buf) {
ret = -ENOMEM;
goto err_unlock;
}
ret = ath10k_debug_fw_stats_request(ar);
if (ret) {
ath10k_warn(ar, "failed to request fw stats: %d\n", ret);
goto err_free;
}
ret = ath10k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, buf);
if (ret) {
ath10k_warn(ar, "failed to fill fw stats: %d\n", ret);
goto err_free;
}
file->private_data = buf;
mutex_unlock(&ar->conf_mutex);
return 0;
err_free:
vfree(buf);
err_unlock:
mutex_unlock(&ar->conf_mutex);
return ret;
}
static int ath10k_fw_stats_release(struct inode *inode, struct file *file)
{
vfree(file->private_data);
return 0;
}
static int ath10k_refresh_peer_stats_t(struct ath10k *ar, u32 type, u32 specifier)
{
int ret;
unsigned long time_left;
/*ath10k_warn(ar, "Requesting stats (type 0x%x specifier %d jiffies: %lu)\n",
type, specifier, jiffies);*/
reinit_completion(&ar->debug.fw_stats_complete);
ret = ath10k_wmi_request_stats(ar, type, specifier);
if (ret) {
ath10k_warn(ar, "could not request stats (type %d ret %d specifier %d)\n",
type, ret, specifier);
return ret;
}
/* ret means 'time-left' here */
time_left =
wait_for_completion_timeout(&ar->debug.fw_stats_complete, 1*HZ);
/* ath10k_warn(ar, "Requested stats (type 0x%x ret %d specifier %d jiffies: %lu time-left: %lu)\n",
type, ret, specifier, jiffies, time_left);*/
if (time_left == 0)
return -ETIMEDOUT;
return 0;
}
int ath10k_refresh_peer_stats(struct ath10k *ar)
{
return ath10k_refresh_peer_stats_t(ar, ar->fw_stats_req_mask, 0);
}
int ath10k_refresh_target_regs(struct ath10k *ar)
{
if (test_bit(ATH10K_FW_FEATURE_REGDUMP_CT,
ar->running_fw->fw_file.fw_features))
return ath10k_refresh_peer_stats_t(ar, WMI_REQUEST_REGISTER_DUMP, 0);
return 0; /* fail silently if firmware does not support this option. */
}
int ath10k_refresh_target_rx_reorder_stats(struct ath10k *ar)
{
if (test_bit(ATH10K_FW_FEATURE_CUST_STATS_CT,
ar->running_fw->fw_file.fw_features))
return ath10k_refresh_peer_stats_t(ar, WMI_REQUEST_STAT_CUSTOM, WMI_STAT_CUSTOM_RX_REORDER_STATS);
return 0; /* fail silently if firmware does not support this option. */
}
int ath10k_refresh_target_pdev_ext_ct_stats(struct ath10k *ar)
{
if (test_bit(ATH10K_FW_FEATURE_CUST_STATS_CT,
ar->running_fw->fw_file.fw_features))
return ath10k_refresh_peer_stats_t(ar, WMI_REQUEST_STAT_CUSTOM, WMI_STAT_CUSTOM_PDEV_EXT_STATS);
return 0; /* fail silently if firmware does not support this option. */
}
static ssize_t ath10k_read_rx_reorder_stats(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
struct ath10k_rx_reorder_stats *rrs;
char *buf = NULL;
unsigned int len = 0, buf_len = 8000;
ssize_t ret_cnt = 0;
int ret;
mutex_lock(&ar->conf_mutex);
rrs = &ar->debug.rx_reorder_stats;
if (ar->state != ATH10K_STATE_ON)
goto exit;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
goto exit;
ret = ath10k_refresh_target_rx_reorder_stats(ar);
if (ret)
goto exit;
len += scnprintf(buf + len, buf_len - len, "\n");
len += scnprintf(buf + len, buf_len - len, "%30s\n",
"ath10k RX Reorder Stats");
len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
"=================");
#define PRINT_MY_STATS(a) len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", #a, rrs->a)
/* Non QoS MPDUs received */
PRINT_MY_STATS(deliver_non_qos);
/* MPDUs received in-order */
PRINT_MY_STATS(deliver_in_order);
/* Flush due to reorder timer expired */
PRINT_MY_STATS(deliver_flush_timeout);
/* Flush due to move out of window */
PRINT_MY_STATS(deliver_flush_oow);
/* Flush due to DELBA */
PRINT_MY_STATS(deliver_flush_delba);
/* MPDUs dropped due to FCS error */
PRINT_MY_STATS(fcs_error);
/* MPDUs dropped due to monitor mode non-data packet */
PRINT_MY_STATS(mgmt_ctrl);
/* MPDUs dropped due to invalid peer */
PRINT_MY_STATS(invalid_peer);
/* MPDUs dropped due to duplication (non aggregation) */
PRINT_MY_STATS(dup_non_aggr);
/* MPDUs dropped due to processed before */
PRINT_MY_STATS(dup_past);
/* MPDUs dropped due to duplicate in reorder queue */
PRINT_MY_STATS(dup_in_reorder);
/* Reorder timeout happened */
PRINT_MY_STATS(reorder_timeout);
/* invalid bar ssn */
PRINT_MY_STATS(invalid_bar_ssn);
/* reorder reset due to bar ssn */
PRINT_MY_STATS(ssn_reset);
/* Added by Ben */
PRINT_MY_STATS(frag_invalid_peer);
PRINT_MY_STATS(frag_fcs_error);
PRINT_MY_STATS(frag_ok);
PRINT_MY_STATS(frag_discards);
PRINT_MY_STATS(rx_chatter);
PRINT_MY_STATS(tkip_mic_error);
PRINT_MY_STATS(tkip_decrypt_error);
PRINT_MY_STATS(mpdu_length_error);
PRINT_MY_STATS(non_frag_unicast_ok);
PRINT_MY_STATS(rx_flush_ind); // Flushed these due to timeout, etc.
PRINT_MY_STATS(rx_flush_ie_add); // Flushed these due to timeout, etc
/* Wave-2 specific */
PRINT_MY_STATS(rx_mesh_wrong_dest);
PRINT_MY_STATS(rx_mesh_filter_ra);
PRINT_MY_STATS(rx_mesh_filter_fromds);
PRINT_MY_STATS(rx_mesh_filter_tods);
PRINT_MY_STATS(rx_mesh_filter_nods);
PRINT_MY_STATS(rx_radar_fft_war);
PRINT_MY_STATS(rx_drop_encrypt_required);
PRINT_MY_STATS(rx_mpdu_tid_err);
PRINT_MY_STATS(rx_ba_statemachine_err);
PRINT_MY_STATS(rx_drop_replay);
PRINT_MY_STATS(rx_non_data_drop_no_bufs);
if (len > buf_len)
len = buf_len;
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
exit:
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static ssize_t ath10k_read_pdev_ext_ct_stats(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
struct ath10k_pdev_ext_stats_ct *rrs;
char *buf = NULL;
unsigned int len = 0, buf_len = 8000;
ssize_t ret_cnt = 0;
int ret;