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fuchsia / garnet / 66e1924c2a18c92594644cfa392bf02cb568984d / . / drivers / wlan / third_party / atheros / ath10k / debug.c
blob: acc520f329ca3a639fb04a0684f71376899fe55f [file] [log] [blame]
/*
* Copyright (c) 2005-2011 Atheros Communications Inc.
* Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "debug.h"
#include <linux/crc32.h>
#include <linux/debugfs.h>
#include <linux/devcoredump.h>
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/utsname.h>
#include <linux/vmalloc.h>
#include "core.h"
#include "hif.h"
#include "wmi-ops.h"
/* ms */
#define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000
#define ATH10K_DEBUG_CAL_DATA_LEN 12064
#define ATH10K_FW_CRASH_DUMP_VERSION 1
/**
* enum ath10k_fw_crash_dump_type - types of data in the dump file
* @ATH10K_FW_CRASH_DUMP_REGDUMP: Register crash dump in binary format
*/
enum ath10k_fw_crash_dump_type {
ATH10K_FW_CRASH_DUMP_REGISTERS = 0,
ATH10K_FW_CRASH_DUMP_CE_DATA = 1,
ATH10K_FW_CRASH_DUMP_MAX,
};
struct ath10k_tlv_dump_data {
/* see ath10k_fw_crash_dump_type above */
uint32_t type;
/* in bytes */
uint32_t tlv_len;
/* pad to 32-bit boundaries as needed */
uint8_t tlv_data[];
} __PACKED;
struct ath10k_dump_file_data {
/* dump file information */
/* "ATH10K-FW-DUMP" */
char df_magic[16];
uint32_t len;
/* file dump version */
uint32_t version;
/* some info we can get from ath10k struct that might help */
uint8_t uuid[16];
uint32_t chip_id;
/* 0 for now, in place for later hardware */
uint32_t bus_type;
uint32_t target_version;
uint32_t fw_version_major;
uint32_t fw_version_minor;
uint32_t fw_version_release;
uint32_t fw_version_build;
uint32_t phy_capability;
uint32_t hw_min_tx_power;
uint32_t hw_max_tx_power;
uint32_t ht_cap_info;
uint32_t vht_cap_info;
uint32_t num_rf_chains;
/* firmware version string */
char fw_ver[ATH10K_FW_VER_LEN];
/* Kernel related information */
/* time-of-day stamp */
uint64_t tv_sec;
/* time-of-day stamp, nano-seconds */
uint64_t tv_nsec;
/* LINUX_VERSION_CODE */
uint32_t kernel_ver_code;
/* VERMAGIC_STRING */
char kernel_ver[64];
/* room for growth w/out changing binary format */
uint8_t unused[128];
/* struct ath10k_tlv_dump_data + more */
uint8_t data[0];
} __PACKED;
void ath10k_debug_print_hwfw_info(struct ath10k* ar) {
const struct firmware* firmware;
char fw_features[128] = {};
uint32_t crc = 0;
ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features));
ath10k_trace("%s target 0x%08x chip_id 0x%08x sub %04x:%04x", ar->hw_params.name,
ar->target_version, ar->chip_id, ar->id.subsystem_vendor, ar->id.subsystem_device);
ath10k_trace("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_trace("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];
if (ar->id.bmi_ids_valid)
SNPRINTF_USED(boardinfo, sizeof(boardinfo), "%d:%d", ar->id.bmi_chip_id,
ar->id.bmi_board_id);
else {
SNPRINTF_USED(boardinfo, sizeof(boardinfo), "N/A");
}
ath10k_trace("board_file api %d bmi_id %s crc32 %08x", ar->bd_api, boardinfo,
crc32_le(0, ar->normal_mode_fw.board->data, ar->normal_mode_fw.board->size));
}
void ath10k_debug_print_boot_info(struct ath10k* ar) {
ath10k_trace("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, BITARR_TEST(&ar->dev_flags, ATH10K_FLAG_RAW_MODE),
!BITARR_TEST(&ar->dev_flags, ATH10K_FLAG_HW_CRYPTO_DISABLED));
}
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);
}
#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 = 4096;
const char* name;
ssize_t ret_cnt;
bool enabled;
int i;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf) { return -ENOMEM; }
mtx_lock(&ar->conf_mutex);
mtx_lock(&ar->data_lock);
for (i = 0; i < WMI_SERVICE_MAX; i++) {
enabled = BITARR_TEST(ar->wmi.svc_map, i);
name = wmi_service_name(i);
if (!name) {
if (enabled)
len += SNPRINTF_USED(buf + len, buf_len - len, "%-40s %s (bit %d)\n", "unknown",
"enabled", i);
continue;
}
len +=
SNPRINTF_USED(buf + len, buf_len - len, "%-40s %s\n", name, enabled ? "enabled" : "-");
}
mtx_unlock(&ar->data_lock);
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
mtx_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 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) {
mtx_lock(&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);
mtx_unlock(&ar->data_lock);
}
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;
INIT_LIST_HEAD(&stats.pdevs);
INIT_LIST_HEAD(&stats.vdevs);
INIT_LIST_HEAD(&stats.peers);
INIT_LIST_HEAD(&stats.peers_extd);
mtx_lock(&ar->data_lock);
ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats);
if (ret) {
ath10k_warn("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("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; }
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("dropping fw peer stats\n");
goto free;
}
if (num_vdevs >= BITS_PER_LONG) {
ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
ath10k_warn("dropping fw vdev stats\n");
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);
}
sync_completion_signal(&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);
mtx_unlock(&ar->data_lock);
}
static int ath10k_debug_fw_stats_request(struct ath10k* ar) {
unsigned long timeout;
int ret;
ASSERT_MTX_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; }
sync_completion_reset(&ar->debug.fw_stats_complete);
ret = ath10k_wmi_request_stats(ar, ar->fw_stats_req_mask);
if (ret) {
ath10k_warn("could not request stats (%d)\n", ret);
return ret;
}
if (sync_completion_wait(&ar->debug.fw_stats_complete, ZX_SEC(1)) == ZX_ERR_TIMED_OUT) {
return -ETIMEDOUT;
}
mtx_lock(&ar->data_lock);
if (ar->debug.fw_stats_done) {
mtx_unlock(&ar->data_lock);
break;
}
mtx_unlock(&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;
mtx_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("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("failed to fill fw stats: %d\n", ret);
goto err_free;
}
file->private_data = buf;
mtx_unlock(&ar->conf_mutex);
return 0;
err_free:
vfree(buf);
err_unlock:
mtx_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 ssize_t ath10k_fw_stats_read(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_fw_stats = {
.open = ath10k_fw_stats_open,
.release = ath10k_fw_stats_release,
.read = ath10k_fw_stats_read,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_debug_fw_reset_stats_read(struct file* file, char __user* user_buf,
size_t count, loff_t* ppos) {
struct ath10k* ar = file->private_data;
int ret;
size_t len = 0, buf_len = 500;
char* buf;
buf = kmalloc(buf_len, GFP_KERNEL);
if (!buf) { return -ENOMEM; }
mtx_lock(&ar->data_lock);
len += SNPRINTF_USED(buf + len, buf_len - len, "fw_crash_counter\t\t%d\n",
ar->stats.fw_crash_counter);
len += SNPRINTF_USED(buf + len, buf_len - len, "fw_warm_reset_counter\t\t%d\n",
ar->stats.fw_warm_reset_counter);
len += SNPRINTF_USED(buf + len, buf_len - len, "fw_cold_reset_counter\t\t%d\n",
ar->stats.fw_cold_reset_counter);
mtx_unlock(&ar->data_lock);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return ret;
}
static const struct file_operations fops_fw_reset_stats = {
.open = simple_open,
.read = ath10k_debug_fw_reset_stats_read,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
/* This is a clean assert crash in firmware. */
static int ath10k_debug_fw_assert(struct ath10k* ar) {
struct wmi_vdev_install_key_cmd* cmd;
struct sk_buff* skb;
skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16);
if (!skb) { return -ENOMEM; }
cmd = (struct wmi_vdev_install_key_cmd*)skb->data;
memset(cmd, 0, sizeof(*cmd));
/* big enough number so that firmware asserts */
cmd->vdev_id = 0x7ffe;
return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->vdev_install_key_cmdid);
}
static ssize_t ath10k_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"
"`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that "
"command.\n"
"`hard` - this will send to firmware command with illegal parameters causing firmware "
"crash.\n"
"`assert` - this will send special illegal parameter to firmware to cause assert failure "
"and crash.\n"
"`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n";
return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
/* Simulate firmware crash:
* 'soft': Call wmi command causing firmware hang. This firmware hang is
* recoverable by warm firmware reset.
* 'hard': Force firmware crash by setting any vdev parameter for not allowed
* vdev id. This is hard firmware crash because it is recoverable only by cold
* firmware reset.
*/
static ssize_t ath10k_write_simulate_fw_crash(struct file* file, const char __user* user_buf,
size_t count, loff_t* ppos) {
struct ath10k* ar = file->private_data;
char buf[32] = {0};
ssize_t rc;
int ret;
/* 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'; }
mtx_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_RESTARTED) {
ret = -ENETDOWN;
goto exit;
}
if (!strcmp(buf, "soft")) {
ath10k_trace("simulating soft firmware crash\n");
ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0);
} else if (!strcmp(buf, "hard")) {
ath10k_trace("simulating hard firmware crash\n");
/* 0x7fff is vdev id, and it is always out of range for all
* firmware variants in order to force a firmware crash.
*/
ret = ath10k_wmi_vdev_set_param(ar, 0x7fff, ar->wmi.vdev_param->rts_threshold, 0);
} else if (!strcmp(buf, "assert")) {
ath10k_trace("simulating firmware assert crash\n");
ret = ath10k_debug_fw_assert(ar);
} else if (!strcmp(buf, "hw-restart")) {
ath10k_trace("user requested hw restart\n");
queue_work(ar->workqueue, &ar->restart_work);
ret = 0;
} else {
ret = -EINVAL;
goto exit;
}
if (ret) {
ath10k_warn("failed to simulate firmware crash: %d\n", ret);
goto exit;
}
ret = count;
exit:
mtx_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_simulate_fw_crash = {
.read = ath10k_read_simulate_fw_crash,
.write = ath10k_write_simulate_fw_crash,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_read_chip_id(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
size_t len;
char buf[50];
len = SNPRINTF_USED(buf, sizeof(buf), "0x%08x\n", ar->chip_id);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static const struct file_operations fops_chip_id = {
.read = ath10k_read_chip_id,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
struct ath10k_fw_crash_data* ath10k_debug_get_new_fw_crash_data(struct ath10k* ar) {
struct ath10k_fw_crash_data* crash_data = ar->debug.fw_crash_data;
ASSERT_MTX_HELD(&ar->data_lock);
crash_data->crashed_since_read = true;
uuid_le_gen(&crash_data->uuid);
getnstimeofday(&crash_data->timestamp);
return crash_data;
}
static struct ath10k_dump_file_data* ath10k_build_dump_file(struct ath10k* ar, bool mark_read) {
struct ath10k_fw_crash_data* crash_data = ar->debug.fw_crash_data;
struct ath10k_ce_crash_hdr* ce_hdr;
struct ath10k_dump_file_data* dump_data;
struct ath10k_tlv_dump_data* dump_tlv;
size_t hdr_len = sizeof(*dump_data);
size_t len, sofar = 0;
unsigned char* buf;
len = hdr_len;
len += sizeof(*dump_tlv) + sizeof(crash_data->registers);
len += sizeof(*dump_tlv) + sizeof(*ce_hdr) + CE_COUNT * sizeof(ce_hdr->entries[0]);
sofar += hdr_len;
/* This is going to get big when we start dumping FW RAM and such,
* so go ahead and use vmalloc.
*/
buf = vzalloc(len);
if (!buf) { return NULL; }
mtx_lock(&ar->data_lock);
if (!crash_data->crashed_since_read) {
mtx_unlock(&ar->data_lock);
vfree(buf);
return NULL;
}
dump_data = (struct ath10k_dump_file_data*)(buf);
strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP", sizeof(dump_data->df_magic));
dump_data->len = len;
dump_data->version = ATH10K_FW_CRASH_DUMP_VERSION;
memcpy(dump_data->uuid, &crash_data->uuid, sizeof(dump_data->uuid));
dump_data->chip_id = ar->chip_id;
dump_data->bus_type = 0;
dump_data->target_version = ar->target_version;
dump_data->fw_version_major = ar->fw_version_major;
dump_data->fw_version_minor = ar->fw_version_minor;
dump_data->fw_version_release = ar->fw_version_release;
dump_data->fw_version_build = ar->fw_version_build;
dump_data->phy_capability = ar->phy_capability;
dump_data->hw_min_tx_power = ar->hw_min_tx_power;
dump_data->hw_max_tx_power = ar->hw_max_tx_power;
dump_data->ht_cap_info = ar->ht_cap_info;
dump_data->vht_cap_info = ar->vht_cap_info;
dump_data->num_rf_chains = ar->num_rf_chains;
strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version, sizeof(dump_data->fw_ver));
dump_data->kernel_ver_code = 0;
strlcpy(dump_data->kernel_ver, init_utsname()->release, sizeof(dump_data->kernel_ver));
dump_data->tv_sec = crash_data->timestamp.tv_sec;
dump_data->tv_nsec = crash_data->timestamp.tv_nsec;
/* Gather crash-dump */
dump_tlv = (struct ath10k_tlv_dump_data*)(buf + sofar);
dump_tlv->type = ATH10K_FW_CRASH_DUMP_REGISTERS;
dump_tlv->tlv_len = sizeof(crash_data->registers);
memcpy(dump_tlv->tlv_data, &crash_data->registers, sizeof(crash_data->registers));
sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers);
dump_tlv = (struct ath10k_tlv_dump_data*)(buf + sofar);
dump_tlv->type = ATH10K_FW_CRASH_DUMP_CE_DATA;
dump_tlv->tlv_len = sizeof(*ce_hdr) + CE_COUNT * sizeof(ce_hdr->entries[0]);
ce_hdr = (struct ath10k_ce_crash_hdr*)(dump_tlv->tlv_data);
ce_hdr->ce_count = CE_COUNT;
memset(ce_hdr->reserved, 0, sizeof(ce_hdr->reserved));
memcpy(ce_hdr->entries, crash_data->ce_crash_data, CE_COUNT * sizeof(ce_hdr->entries[0]));
sofar += sizeof(*dump_tlv) + sizeof(*ce_hdr) + CE_COUNT * sizeof(ce_hdr->entries[0]);
ar->debug.fw_crash_data->crashed_since_read = !mark_read;
mtx_unlock(&ar->data_lock);
return dump_data;
}
int ath10k_debug_fw_devcoredump(struct ath10k* ar) {
struct ath10k_dump_file_data* dump;
void* dump_ptr;
uint32_t dump_len;
/* To keep the dump file available also for debugfs don't mark the
* file read, only debugfs should do that.
*/
dump = ath10k_build_dump_file(ar, false);
if (!dump) {
ath10k_warn("no crash dump data found for devcoredump");
return -ENODATA;
}
/* Make a copy of the dump file for dev_coredumpv() as during the
* transition period we need to own the original file. Once
* fw_crash_dump debugfs file is removed no need to have a copy
* anymore.
*/
dump_len = dump->len;
dump_ptr = vzalloc(dump_len);
if (!dump_ptr) { return -ENOMEM; }
memcpy(dump_ptr, dump, dump_len);
dev_coredumpv(ar->dev, dump_ptr, dump_len, GFP_KERNEL);
return 0;
}
static int ath10k_fw_crash_dump_open(struct inode* inode, struct file* file) {
struct ath10k* ar = inode->i_private;
struct ath10k_dump_file_data* dump;
ath10k_warn(
"fw_crash_dump debugfs file is deprecated, please use /sys/class/devcoredump instead.");
dump = ath10k_build_dump_file(ar, true);
if (!dump) { return -ENODATA; }
file->private_data = dump;
return 0;
}
static ssize_t ath10k_fw_crash_dump_read(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k_dump_file_data* dump_file = file->private_data;
return simple_read_from_buffer(user_buf, count, ppos, dump_file, dump_file->len);
}
static int ath10k_fw_crash_dump_release(struct inode* inode, struct file* file) {
vfree(file->private_data);
return 0;
}
static const struct file_operations fops_fw_crash_dump = {
.open = ath10k_fw_crash_dump_open,
.read = ath10k_fw_crash_dump_read,
.release = ath10k_fw_crash_dump_release,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_reg_addr_read(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
uint8_t buf[32];
size_t len = 0;
uint32_t reg_addr;
mtx_lock(&ar->conf_mutex);
reg_addr = ar->debug.reg_addr;
mtx_unlock(&ar->conf_mutex);
len += SNPRINTF_USED(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath10k_reg_addr_write(struct file* file, const char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
uint32_t reg_addr;
int ret;
ret = kstrtou32_from_user(user_buf, count, 0, &reg_addr);
if (ret) { return ret; }
if (!IS_ALIGNED(reg_addr, 4)) { return -EFAULT; }
mtx_lock(&ar->conf_mutex);
ar->debug.reg_addr = reg_addr;
mtx_unlock(&ar->conf_mutex);
return count;
}
static const struct file_operations fops_reg_addr = {
.read = ath10k_reg_addr_read,
.write = ath10k_reg_addr_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_reg_value_read(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
uint8_t buf[48];
size_t len;
uint32_t reg_addr, reg_val;
int ret;
mtx_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_UTF) {
ret = -ENETDOWN;
goto exit;
}
reg_addr = ar->debug.reg_addr;
reg_val = ath10k_hif_read32(ar, reg_addr);
len = SNPRINTF_USED(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
exit:
mtx_unlock(&ar->conf_mutex);
return ret;
}
static ssize_t ath10k_reg_value_write(struct file* file, const char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
uint32_t reg_addr, reg_val;
int ret;
mtx_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_UTF) {
ret = -ENETDOWN;
goto exit;
}
reg_addr = ar->debug.reg_addr;
ret = kstrtou32_from_user(user_buf, count, 0, &reg_val);
if (ret) { goto exit; }
ath10k_hif_write32(ar, reg_addr, reg_val);
ret = count;
exit:
mtx_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_reg_value = {
.read = ath10k_reg_value_read,
.write = ath10k_reg_value_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_mem_value_read(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
uint8_t* buf;
int ret;
if (*ppos < 0) { return -EINVAL; }
if (!count) { return 0; }
mtx_lock(&ar->conf_mutex);
buf = vmalloc(count);
if (!buf) {
ret = -ENOMEM;
goto exit;
}
if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_UTF) {
ret = -ENETDOWN;
goto exit;
}
ret = ath10k_hif_diag_read(ar, *ppos, buf, count);
if (ret) {
ath10k_warn("failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n",
(uint32_t)(*ppos), ret);
goto exit;
}
ret = copy_to_user(user_buf, buf, count);
if (ret) {
ret = -EFAULT;
goto exit;
}
count -= ret;
*ppos += count;
ret = count;
exit:
vfree(buf);
mtx_unlock(&ar->conf_mutex);
return ret;
}
static ssize_t ath10k_mem_value_write(struct file* file, const char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
uint8_t* buf;
int ret;
if (*ppos < 0) { return -EINVAL; }
if (!count) { return 0; }
mtx_lock(&ar->conf_mutex);
buf = vmalloc(count);
if (!buf) {
ret = -ENOMEM;
goto exit;
}
if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_UTF) {
ret = -ENETDOWN;
goto exit;
}
ret = copy_from_user(buf, user_buf, count);
if (ret) {
ret = -EFAULT;
goto exit;
}
ret = ath10k_hif_diag_write(ar, *ppos, buf, count);
if (ret) {
ath10k_warn("failed to write address 0x%08x via diagnose window from debugfs: %d\n",
(uint32_t)(*ppos), ret);
goto exit;
}
*ppos += count;
ret = count;
exit:
vfree(buf);
mtx_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_mem_value = {
.read = ath10k_mem_value_read,
.write = ath10k_mem_value_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static int ath10k_debug_htt_stats_req(struct ath10k* ar) {
uint64_t cookie;
int ret;
ASSERT_MTX_HELD(&ar->conf_mutex);
if (ar->debug.htt_stats_mask == 0)
/* htt stats are disabled */
{
return 0;
}
if (ar->state != ATH10K_STATE_ON) { return 0; }
cookie = get_jiffies_64();
ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask, cookie);
if (ret) {
ath10k_warn("failed to send htt stats request: %d\n", ret);
return ret;
}
queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork,
msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL));
return 0;
}
static void ath10k_debug_htt_stats_dwork(struct work_struct* work) {
struct ath10k* ar = container_of(work, struct ath10k, debug.htt_stats_dwork.work);
mtx_lock(&ar->conf_mutex);
ath10k_debug_htt_stats_req(ar);
mtx_unlock(&ar->conf_mutex);
}
static ssize_t ath10k_read_htt_stats_mask(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
char buf[32];
size_t len;
len = SNPRINTF_USED(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath10k_write_htt_stats_mask(struct file* file, const char __user* user_buf,
size_t count, loff_t* ppos) {
struct ath10k* ar = file->private_data;
unsigned long mask;
int ret;
ret = kstrtoul_from_user(user_buf, count, 0, &mask);
if (ret) { return ret; }
/* max 8 bit masks (for now) */
if (mask > 0xff) { return -E2BIG; }
mtx_lock(&ar->conf_mutex);
ar->debug.htt_stats_mask = mask;
ret = ath10k_debug_htt_stats_req(ar);
if (ret) { goto out; }
ret = count;
out:
mtx_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_htt_stats_mask = {
.read = ath10k_read_htt_stats_mask,
.write = ath10k_write_htt_stats_mask,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file* file, char __user* user_buf,
size_t count, loff_t* ppos) {
struct ath10k* ar = file->private_data;
char buf[64];
uint8_t amsdu, ampdu;
size_t len;
mtx_lock(&ar->conf_mutex);
amsdu = ar->htt.max_num_amsdu;
ampdu = ar->htt.max_num_ampdu;
mtx_unlock(&ar->conf_mutex);
len = SNPRINTF_USED(buf, sizeof(buf), "%u %u\n", amsdu, ampdu);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file* file, const char __user* user_buf,
size_t count, loff_t* ppos) {
struct ath10k* ar = file->private_data;
int res;
char buf[64];
unsigned int amsdu, ampdu;
simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
/* make sure that buf is null terminated */
buf[sizeof(buf) - 1] = 0;
res = sscanf(buf, "%u %u", &amsdu, &ampdu);
if (res != 2) { return -EINVAL; }
mtx_lock(&ar->conf_mutex);
res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu);
if (res) { goto out; }
res = count;
ar->htt.max_num_amsdu = amsdu;
ar->htt.max_num_ampdu = ampdu;
out:
mtx_unlock(&ar->conf_mutex);
return res;
}
static const struct file_operations fops_htt_max_amsdu_ampdu = {
.read = ath10k_read_htt_max_amsdu_ampdu,
.write = ath10k_write_htt_max_amsdu_ampdu,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_read_fw_dbglog(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
size_t len;
char buf[96];
len = SNPRINTF_USED(buf, sizeof(buf), "0x%16llx %u\n", ar->debug.fw_dbglog_mask,
ar->debug.fw_dbglog_level);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath10k_write_fw_dbglog(struct file* file, const char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
int ret;
char buf[96];
unsigned int log_level;
uint64_t mask;
simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
/* make sure that buf is null terminated */
buf[sizeof(buf) - 1] = 0;
ret = sscanf(buf, "%llx %u", &mask, &log_level);
if (!ret) { return -EINVAL; }
if (ret == 1)
/* default if user did not specify */
{
log_level = ATH10K_DBGLOG_LEVEL_WARN;
}
mtx_lock(&ar->conf_mutex);
ar->debug.fw_dbglog_mask = mask;
ar->debug.fw_dbglog_level = log_level;
if (ar->state == ATH10K_STATE_ON) {
ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level);
if (ret) {
ath10k_warn("dbglog cfg failed from debugfs: %d\n", ret);
goto exit;
}
}
ret = count;
exit:
mtx_unlock(&ar->conf_mutex);
return ret;
}
/* TODO: Would be nice to always support ethtool stats, would need to
* move the stats storage out of ath10k_debug, or always have ath10k_debug
* struct available..
*/
/* This generally cooresponds to the debugfs fw_stats file */
static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = {
"tx_pkts_nic",
"tx_bytes_nic",
"rx_pkts_nic",
"rx_bytes_nic",
"d_noise_floor",
"d_cycle_count",
"d_phy_error",
"d_rts_bad",
"d_rts_good",
"d_tx_power", /* in .5 dbM I think */
"d_rx_crc_err", /* fcs_bad */
"d_no_beacon",
"d_tx_mpdus_queued",
"d_tx_msdu_queued",
"d_tx_msdu_dropped",
"d_local_enqued",
"d_local_freed",
"d_tx_ppdu_hw_queued",
"d_tx_ppdu_reaped",
"d_tx_fifo_underrun",
"d_tx_ppdu_abort",
"d_tx_mpdu_requed",
"d_tx_excessive_retries",
"d_tx_hw_rate",
"d_tx_dropped_sw_retries",
"d_tx_illegal_rate",
"d_tx_continuous_xretries",
"d_tx_timeout",
"d_tx_mpdu_txop_limit",
"d_pdev_resets",
"d_rx_mid_ppdu_route_change",
"d_rx_status",
"d_rx_extra_frags_ring0",
"d_rx_extra_frags_ring1",
"d_rx_extra_frags_ring2",
"d_rx_extra_frags_ring3",
"d_rx_msdu_htt",
"d_rx_mpdu_htt",
"d_rx_msdu_stack",
"d_rx_mpdu_stack",
"d_rx_phy_err",
"d_rx_phy_err_drops",
"d_rx_mpdu_errors", /* FCS, MIC, ENC */
"d_fw_crash_count",
"d_fw_warm_reset_count",
"d_fw_cold_reset_count",
};
#define ATH10K_SSTATS_LEN countof(ath10k_gstrings_stats)
void ath10k_debug_get_et_strings(struct ieee80211_hw* hw, struct ieee80211_vif* vif, uint32_t sset,
uint8_t* data) {
if (sset == ETH_SS_STATS) memcpy(data, *ath10k_gstrings_stats, sizeof(ath10k_gstrings_stats));
}
int ath10k_debug_get_et_sset_count(struct ieee80211_hw* hw, struct ieee80211_vif* vif, int sset) {
if (sset == ETH_SS_STATS) { return ATH10K_SSTATS_LEN; }
return 0;
}
void ath10k_debug_get_et_stats(struct ieee80211_hw* hw, struct ieee80211_vif* vif,
struct ethtool_stats* stats, uint64_t* data) {
struct ath10k* ar = hw->priv;
static const struct ath10k_fw_stats_pdev zero_stats = {};
const struct ath10k_fw_stats_pdev* pdev_stats;
int i = 0, ret;
mtx_lock(&ar->conf_mutex);
if (ar->state == ATH10K_STATE_ON) {
ret = ath10k_debug_fw_stats_request(ar);
if (ret) {
/* just print a warning and try to use older results */
ath10k_warn("failed to get fw stats for ethtool: %d\n", ret);
}
}
pdev_stats =
list_first_entry_or_null(&ar->debug.fw_stats.pdevs, struct ath10k_fw_stats_pdev, list);
if (!pdev_stats) {
/* no results available so just return zeroes */
pdev_stats = &zero_stats;
}
mtx_lock(&ar->data_lock);
data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */
data[i++] = 0; /* tx bytes */
data[i++] = pdev_stats->htt_mpdus;
data[i++] = 0; /* rx bytes */
data[i++] = pdev_stats->ch_noise_floor;
data[i++] = pdev_stats->cycle_count;
data[i++] = pdev_stats->phy_err_count;
data[i++] = pdev_stats->rts_bad;
data[i++] = pdev_stats->rts_good;
data[i++] = pdev_stats->chan_tx_power;
data[i++] = pdev_stats->fcs_bad;
data[i++] = pdev_stats->no_beacons;
data[i++] = pdev_stats->mpdu_enqued;
data[i++] = pdev_stats->msdu_enqued;
data[i++] = pdev_stats->wmm_drop;
data[i++] = pdev_stats->local_enqued;
data[i++] = pdev_stats->local_freed;
data[i++] = pdev_stats->hw_queued;
data[i++] = pdev_stats->hw_reaped;
data[i++] = pdev_stats->underrun;
data[i++] = pdev_stats->tx_abort;
data[i++] = pdev_stats->mpdus_requed;
data[i++] = pdev_stats->tx_ko;
data[i++] = pdev_stats->data_rc;
data[i++] = pdev_stats->sw_retry_failure;
data[i++] = pdev_stats->illgl_rate_phy_err;
data[i++] = pdev_stats->pdev_cont_xretry;
data[i++] = pdev_stats->pdev_tx_timeout;
data[i++] = pdev_stats->txop_ovf;
data[i++] = pdev_stats->pdev_resets;
data[i++] = pdev_stats->mid_ppdu_route_change;
data[i++] = pdev_stats->status_rcvd;
data[i++] = pdev_stats->r0_frags;
data[i++] = pdev_stats->r1_frags;
data[i++] = pdev_stats->r2_frags;
data[i++] = pdev_stats->r3_frags;
data[i++] = pdev_stats->htt_msdus;
data[i++] = pdev_stats->htt_mpdus;
data[i++] = pdev_stats->loc_msdus;
data[i++] = pdev_stats->loc_mpdus;
data[i++] = pdev_stats->phy_errs;
data[i++] = pdev_stats->phy_err_drop;
data[i++] = pdev_stats->mpdu_errs;
data[i++] = ar->stats.fw_crash_counter;
data[i++] = ar->stats.fw_warm_reset_counter;
data[i++] = ar->stats.fw_cold_reset_counter;
mtx_unlock(&ar->data_lock);
mtx_unlock(&ar->conf_mutex);
COND_WARN(i != ATH10K_SSTATS_LEN);
}
static const struct file_operations fops_fw_dbglog = {
.read = ath10k_read_fw_dbglog,
.write = ath10k_write_fw_dbglog,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static int ath10k_debug_cal_data_fetch(struct ath10k* ar) {
uint32_t hi_addr;
uint32_t addr;
int ret;
ASSERT_MTX_HELD(&ar->conf_mutex);
if (COND_WARN(ar->hw_params.cal_data_len > ATH10K_DEBUG_CAL_DATA_LEN)) { return -EINVAL; }
hi_addr = host_interest_item_address(HI_ITEM(hi_board_data));
ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr));
if (ret) {
ath10k_warn("failed to read hi_board_data address: %d\n", ret);
return ret;
}
ret = ath10k_hif_diag_read(ar, addr, ar->debug.cal_data, ar->hw_params.cal_data_len);
if (ret) {
ath10k_warn("failed to read calibration data: %d\n", ret);
return ret;
}
return 0;
}
static int ath10k_debug_cal_data_open(struct inode* inode, struct file* file) {
struct ath10k* ar = inode->i_private;
mtx_lock(&ar->conf_mutex);
if (ar->state == ATH10K_STATE_ON || ar->state == ATH10K_STATE_UTF) {
ath10k_debug_cal_data_fetch(ar);
}
file->private_data = ar;
mtx_unlock(&ar->conf_mutex);
return 0;
}
static ssize_t ath10k_debug_cal_data_read(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
mtx_lock(&ar->conf_mutex);
count = simple_read_from_buffer(user_buf, count, ppos, ar->debug.cal_data,
ar->hw_params.cal_data_len);
mtx_unlock(&ar->conf_mutex);
return count;
}
static ssize_t ath10k_write_ani_enable(struct file* file, const char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
int ret;
uint8_t enable;
if (kstrtou8_from_user(user_buf, count, 0, &enable)) { return -EINVAL; }
mtx_lock(&ar->conf_mutex);
if (ar->ani_enabled == enable) {
ret = count;
goto exit;
}
ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->ani_enable, enable);
if (ret) {
ath10k_warn("ani_enable failed from debugfs: %d\n", ret);
goto exit;
}
ar->ani_enabled = enable;
ret = count;
exit:
mtx_unlock(&ar->conf_mutex);
return ret;
}
static ssize_t ath10k_read_ani_enable(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
size_t len;
char buf[32];
len = SNPRINTF_USED(buf, sizeof(buf), "%d\n", ar->ani_enabled);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static const struct file_operations fops_ani_enable = {
.read = ath10k_read_ani_enable,
.write = ath10k_write_ani_enable,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static const struct file_operations fops_cal_data = {
.open = ath10k_debug_cal_data_open,
.read = ath10k_debug_cal_data_read,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_read_nf_cal_period(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
size_t len;
char buf[32];
len = SNPRINTF_USED(buf, sizeof(buf), "%d\n", ar->debug.nf_cal_period);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath10k_write_nf_cal_period(struct file* file, const char __user* user_buf,
size_t count, loff_t* ppos) {
struct ath10k* ar = file->private_data;
unsigned long period;
int ret;
ret = kstrtoul_from_user(user_buf, count, 0, &period);
if (ret) { return ret; }
if (period > WMI_PDEV_PARAM_CAL_PERIOD_MAX) { return -EINVAL; }
/* there's no way to switch back to the firmware default */
if (period == 0) { return -EINVAL; }
mtx_lock(&ar->conf_mutex);
ar->debug.nf_cal_period = period;
if (ar->state != ATH10K_STATE_ON) {
/* firmware is not running, nothing else to do */
ret = count;
goto exit;
}
ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period, ar->debug.nf_cal_period);
if (ret) {
ath10k_warn("cal period cfg failed from debugfs: %d\n", ret);
goto exit;
}
ret = count;
exit:
mtx_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_nf_cal_period = {
.read = ath10k_read_nf_cal_period,
.write = ath10k_write_nf_cal_period,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
#define ATH10K_TPC_CONFIG_BUF_SIZE (1024 * 1024)
static int ath10k_debug_tpc_stats_request(struct ath10k* ar) {
int ret;
ASSERT_MTX_HELD(&ar->conf_mutex);
sync_completion_reset(&ar->debug.tpc_complete);
ret = ath10k_wmi_pdev_get_tpc_config(ar, WMI_TPC_CONFIG_PARAM);
if (ret) {
ath10k_warn("failed to request tpc config: %d\n", ret);
return ret;
}
if (sync_completion_wait(&ar->debug.tpc_complete, ZX_SEC(1)) == ZX_ERR_TIMED_OUT) {
return -ETIMEDOUT;
}
return 0;
}
void ath10k_debug_tpc_stats_process(struct ath10k* ar, struct ath10k_tpc_stats* tpc_stats) {
mtx_lock(&ar->data_lock);
kfree(ar->debug.tpc_stats);
ar->debug.tpc_stats = tpc_stats;
sync_completion_signal(&ar->debug.tpc_complete);
mtx_unlock(&ar->data_lock);
}
static void ath10k_tpc_stats_print(struct ath10k_tpc_stats* tpc_stats, unsigned int j, char* buf,
size_t* len) {
int i;
size_t buf_len;
static const char table_str[][5] = {"CDD", "STBC", "TXBF"};
static const char pream_str[][6] = {"CCK", "OFDM", "HT20", "HT40",
"VHT20", "VHT40", "VHT80", "HTCUP"};
buf_len = ATH10K_TPC_CONFIG_BUF_SIZE;
*len += SNPRINTF_USED(buf + *len, buf_len - *len, "********************************\n");
*len += SNPRINTF_USED(buf + *len, buf_len - *len,
"******************* %s POWER TABLE ****************\n", table_str[j]);
*len += SNPRINTF_USED(buf + *len, buf_len - *len, "********************************\n");
*len += SNPRINTF_USED(buf + *len, buf_len - *len,
"No. Preamble Rate_code tpc_value1 tpc_value2 tpc_value3\n");
for (i = 0; i < tpc_stats->rate_max; i++) {
*len += SNPRINTF_USED(buf + *len, buf_len - *len, "%8d %s 0x%2x %s\n", i,
pream_str[tpc_stats->tpc_table[j].pream_idx[i]],
tpc_stats->tpc_table[j].rate_code[i],
tpc_stats->tpc_table[j].tpc_value[i]);
}
*len += SNPRINTF_USED(buf + *len, buf_len - *len, "***********************************\n");
}
static void ath10k_tpc_stats_fill(struct ath10k* ar, struct ath10k_tpc_stats* tpc_stats,
char* buf) {
int j;
size_t len, buf_len;
len = 0;
buf_len = ATH10K_TPC_CONFIG_BUF_SIZE;
mtx_lock(&ar->data_lock);
if (!tpc_stats) {
ath10k_warn("failed to get tpc stats\n");
goto unlock;
}
len += SNPRINTF_USED(buf + len, buf_len - len, "\n");
len += SNPRINTF_USED(buf + len, buf_len - len, "*************************************\n");
len += SNPRINTF_USED(buf + len, buf_len - len, "TPC config for channel %4d mode %d\n",
tpc_stats->chan_freq, tpc_stats->phy_mode);
len += SNPRINTF_USED(buf + len, buf_len - len, "*************************************\n");
len += SNPRINTF_USED(buf + len, buf_len - len,
"CTL = 0x%2x Reg. Domain = %2d\n", tpc_stats->ctl,
tpc_stats->reg_domain);
len += SNPRINTF_USED(buf + len, buf_len - len,
"Antenna Gain = %2d Reg. Max Antenna Gain = %2d\n",
tpc_stats->twice_antenna_gain, tpc_stats->twice_antenna_reduction);
len += SNPRINTF_USED(buf + len, buf_len - len,
"Power Limit = %2d Reg. Max Power = %2d\n",
tpc_stats->power_limit, tpc_stats->twice_max_rd_power / 2);
len += SNPRINTF_USED(buf + len, buf_len - len,
"Num tx chains = %2d Num supported rates = %2d\n",
tpc_stats->num_tx_chain, tpc_stats->rate_max);
for (j = 0; j < WMI_TPC_FLAG; j++) {
switch (j) {
case WMI_TPC_TABLE_TYPE_CDD:
if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
len += SNPRINTF_USED(buf + len, buf_len - len, "CDD not supported\n");
break;
}
ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
break;
case WMI_TPC_TABLE_TYPE_STBC:
if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
len += SNPRINTF_USED(buf + len, buf_len - len, "STBC not supported\n");
break;
}
ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
break;
case WMI_TPC_TABLE_TYPE_TXBF:
if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
len += SNPRINTF_USED(buf + len, buf_len - len,
"TXBF not supported\n***************************\n");
break;
}
ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
break;
default:
len += SNPRINTF_USED(buf + len, buf_len - len, "Invalid Type\n");
break;
}
}
unlock:
mtx_unlock(&ar->data_lock);
if (len >= buf_len) {
buf[len - 1] = 0;
} else {
buf[len] = 0;
}
}
static int ath10k_tpc_stats_open(struct inode* inode, struct file* file) {
struct ath10k* ar = inode->i_private;
void* buf = NULL;
int ret;
mtx_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON) {
ret = -ENETDOWN;
goto err_unlock;
}
buf = vmalloc(ATH10K_TPC_CONFIG_BUF_SIZE);
if (!buf) {
ret = -ENOMEM;
goto err_unlock;
}
ret = ath10k_debug_tpc_stats_request(ar);
if (ret) {
ath10k_warn("failed to request tpc config stats: %d\n", ret);
goto err_free;
}
ath10k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf);
file->private_data = buf;
mtx_unlock(&ar->conf_mutex);
return 0;
err_free:
vfree(buf);
err_unlock:
mtx_unlock(&ar->conf_mutex);
return ret;
}
static int ath10k_tpc_stats_release(struct inode* inode, struct file* file) {
vfree(file->private_data);
return 0;
}
static ssize_t ath10k_tpc_stats_read(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_tpc_stats = {
.open = ath10k_tpc_stats_open,
.release = ath10k_tpc_stats_release,
.read = ath10k_tpc_stats_read,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
int ath10k_debug_start(struct ath10k* ar) {
int ret;
ASSERT_MTX_HELD(&ar->conf_mutex);
ret = ath10k_debug_htt_stats_req(ar);
if (ret) /* continue normally anyway, this isn't serious */
ath10k_warn("failed to start htt stats workqueue: %d\n", ret);
if (ar->debug.fw_dbglog_mask) {
ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, ATH10K_DBGLOG_LEVEL_WARN);
if (ret) /* not serious */
ath10k_warn("failed to enable dbglog during start: %d", ret);
}
if (ar->debug.pktlog_filter) {
ret = ath10k_wmi_pdev_pktlog_enable(ar, ar->debug.pktlog_filter);
if (ret) /* not serious */
ath10k_warn("failed to enable pktlog filter %x: %d\n", ar->debug.pktlog_filter, ret);
} else {
ret = ath10k_wmi_pdev_pktlog_disable(ar);
if (ret)
/* not serious */
{
ath10k_warn("failed to disable pktlog: %d\n", ret);
}
}
if (ar->debug.nf_cal_period) {
ret =
ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period, ar->debug.nf_cal_period);
if (ret) /* not serious */
ath10k_warn("cal period cfg failed from debug start: %d\n", ret);
}
return ret;
}
void ath10k_debug_stop(struct ath10k* ar) {
ASSERT_MTX_HELD(&ar->conf_mutex);
ath10k_debug_cal_data_fetch(ar);
/* Must not use _sync to avoid deadlock, we do that in
* ath10k_debug_destroy(). The check for htt_stats_mask is to avoid
* warning from del_timer().
*/
if (ar->debug.htt_stats_mask != 0) { cancel_delayed_work(&ar->debug.htt_stats_dwork); }
ath10k_wmi_pdev_pktlog_disable(ar);
}
static ssize_t ath10k_write_simulate_radar(struct file* file, const char __user* user_buf,
size_t count, loff_t* ppos) {
struct ath10k* ar = file->private_data;
struct ath10k_vif* arvif;
/* Just check for for the first vif alone, as all the vifs will be
* sharing the same channel and if the channel is disabled, all the
* vifs will share the same 'is_started' state.
*/
arvif = list_first_entry(&ar->arvifs, typeof(*arvif), list);
if (!arvif->is_started) { return -EINVAL; }
ieee80211_radar_detected(ar->hw);
return count;
}
static const struct file_operations fops_simulate_radar = {
.write = ath10k_write_simulate_radar,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
#define ATH10K_DFS_STAT(s, p) \
(len += SNPRINTF_USED(buf + len, size - len, "%-28s : %10u\n", s, ar->debug.dfs_stats.p))
#define ATH10K_DFS_POOL_STAT(s, p) \
(len += SNPRINTF_USED(buf + len, size - len, "%-28s : %10u\n", s, ar->debug.dfs_pool_stats.p))
static ssize_t ath10k_read_dfs_stats(struct file* file, char __user* user_buf, size_t count,
loff_t* ppos) {
int retval = 0, len = 0;
const int size = 8000;
struct ath10k* ar = file->private_data;
char* buf;
buf = kzalloc(size, GFP_KERNEL);
if (buf == NULL) { return -ENOMEM; }
if (!ar->dfs_detector) {
len += SNPRINTF_USED(buf + len, size - len, "DFS not enabled\n");
goto exit;
}
ar->debug.dfs_pool_stats = ar->dfs_detector->get_stats(ar->dfs_detector);
len += SNPRINTF_USED(buf + len, size - len, "Pulse detector statistics:\n");
ATH10K_DFS_STAT("reported phy errors", phy_errors);
ATH10K_DFS_STAT("pulse events reported", pulses_total);
ATH10K_DFS_STAT("DFS pulses detected", pulses_detected);
ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded);
ATH10K_DFS_STAT("Radars detected", radar_detected);
len += SNPRINTF_USED(buf + len, size - len, "Global Pool statistics:\n");
ATH10K_DFS_POOL_STAT("Pool references", pool_reference);
ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated);
ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error);
ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used);
ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated);
ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error);
ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used);
exit:
if (len > size) { len = size; }
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return retval;
}
static const struct file_operations fops_dfs_stats = {
.read = ath10k_read_dfs_stats,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_write_pktlog_filter(struct file* file, const char __user* ubuf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
uint32_t filter;
int ret;
if (kstrtouint_from_user(ubuf, count, 0, &filter)) { return -EINVAL; }
mtx_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON) {
ar->debug.pktlog_filter = filter;
ret = count;
goto out;
}
if (filter == ar->debug.pktlog_filter) {
ret = count;
goto out;
}
if (filter) {
ret = ath10k_wmi_pdev_pktlog_enable(ar, filter);
if (ret) {
ath10k_warn("failed to enable pktlog filter %x: %d\n", ar->debug.pktlog_filter, ret);
goto out;
}
} else {
ret = ath10k_wmi_pdev_pktlog_disable(ar);
if (ret) {
ath10k_warn("failed to disable pktlog: %d\n", ret);
goto out;
}
}
ar->debug.pktlog_filter = filter;
ret = count;
out:
mtx_unlock(&ar->conf_mutex);
return ret;
}
static ssize_t ath10k_read_pktlog_filter(struct file* file, char __user* ubuf, size_t count,
loff_t* ppos) {
char buf[32];
struct ath10k* ar = file->private_data;
int len = 0;
mtx_lock(&ar->conf_mutex);
len = SNPRINTF_USED(buf, sizeof(buf) - len, "%08x\n", ar->debug.pktlog_filter);
mtx_unlock(&ar->conf_mutex);
return simple_read_from_buffer(ubuf, count, ppos, buf, len);
}
static const struct file_operations fops_pktlog_filter = {
.read = ath10k_read_pktlog_filter, .write = ath10k_write_pktlog_filter, .open = simple_open};
static ssize_t ath10k_write_quiet_period(struct file* file, const char __user* ubuf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
uint32_t period;
if (kstrtouint_from_user(ubuf, count, 0, &period)) { return -EINVAL; }
if (period < ATH10K_QUIET_PERIOD_MIN) {
ath10k_warn("Quiet period %u can not be lesser than 25ms\n", period);
return -EINVAL;
}
mtx_lock(&ar->conf_mutex);
ar->thermal.quiet_period = period;
ath10k_thermal_set_throttling(ar);
mtx_unlock(&ar->conf_mutex);
return count;
}
static ssize_t ath10k_read_quiet_period(struct file* file, char __user* ubuf, size_t count,
loff_t* ppos) {
char buf[32];
struct ath10k* ar = file->private_data;
int len = 0;
mtx_lock(&ar->conf_mutex);
len = SNPRINTF_USED(buf, sizeof(buf) - len, "%d\n", ar->thermal.quiet_period);
mtx_unlock(&ar->conf_mutex);
return simple_read_from_buffer(ubuf, count, ppos, buf, len);
}
static const struct file_operations fops_quiet_period = {
.read = ath10k_read_quiet_period, .write = ath10k_write_quiet_period, .open = simple_open};
static ssize_t ath10k_write_btcoex(struct file* file, const char __user* ubuf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
char buf[32];
size_t buf_size;
int ret;
bool val;
uint32_t pdev_param;
buf_size = MIN(count, (sizeof(buf) - 1));
if (copy_from_user(buf, ubuf, buf_size)) { return -EFAULT; }
buf[buf_size] = '\0';
if (strtobool(buf, &val) != 0) { return -EINVAL; }
mtx_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_RESTARTED) {
ret = -ENETDOWN;
goto exit;
}
if (!(BITARR_TEST(&ar->dev_flags, ATH10K_FLAG_BTCOEX) ^ val)) {
ret = count;
goto exit;
}
pdev_param = ar->wmi.pdev_param->enable_btcoex;
if (BITARR_TEST(ar->running_fw->fw_file.fw_features, ATH10K_FW_FEATURE_BTCOEX_PARAM)) {
ret = ath10k_wmi_pdev_set_param(ar, pdev_param, val);
if (ret) {
ath10k_warn("failed to enable btcoex: %d\n", ret);
ret = count;
goto exit;
}
} else {
ath10k_trace("restarting firmware due to btcoex change");
queue_work(ar->workqueue, &ar->restart_work);
}
if (val) {
BITARR_SET(&ar->dev_flags, ATH10K_FLAG_BTCOEX);
} else {
BITARR_CLEAR(&ar->dev_flags, ATH10K_FLAG_BTCOEX);
}
ret = count;
exit:
mtx_unlock(&ar->conf_mutex);
return ret;
}
static ssize_t ath10k_read_btcoex(struct file* file, char __user* ubuf, size_t count,
loff_t* ppos) {
char buf[32];
struct ath10k* ar = file->private_data;
int len = 0;
mtx_lock(&ar->conf_mutex);
len = SNPRINTF_USED(buf, sizeof(buf) - len, "%d\n",
BITARR_TEST(&ar->dev_flags, ATH10K_FLAG_BTCOEX));
mtx_unlock(&ar->conf_mutex);
return simple_read_from_buffer(ubuf, count, ppos, buf, len);
}
static const struct file_operations fops_btcoex = {
.read = ath10k_read_btcoex, .write = ath10k_write_btcoex, .open = simple_open};
static ssize_t ath10k_write_peer_stats(struct file* file, const char __user* ubuf, size_t count,
loff_t* ppos) {
struct ath10k* ar = file->private_data;
char buf[32];
size_t buf_size;
int ret;
bool val;
buf_size = MIN(count, (sizeof(buf) - 1));
if (copy_from_user(buf, ubuf, buf_size)) { return -EFAULT; }
buf[buf_size] = '\0';
if (strtobool(buf, &val) != 0) { return -EINVAL; }
mtx_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON && ar->state != ATH10K_STATE_RESTARTED) {
ret = -ENETDOWN;
goto exit;
}
if (!(BITARR_TEST(&ar->dev_flags, ATH10K_FLAG_PEER_STATS) ^ val)) {
ret = count;
goto exit;
}
if (val) {
BITARR_SET(&ar->dev_flags, ATH10K_FLAG_PEER_STATS);
} else {
BITARR_CLEAR(&ar->dev_flags, ATH10K_FLAG_PEER_STATS);
}
ath10k_trace("restarting firmware due to Peer stats change");
queue_work(ar->workqueue, &ar->restart_work);
ret = count;
exit:
mtx_unlock(&ar->conf_mutex);
return ret;
}
static ssize_t ath10k_read_peer_stats(struct file* file, char __user* ubuf, size_t count,
loff_t* ppos)
{
char buf[32];
struct ath10k* ar = file->private_data;
int len = 0;
mtx_lock(&ar->conf_mutex);
len = SNPRINTF_USED(buf, sizeof(buf) - len, "%d\n",
BITARR_TEST(&ar->dev_flags, ATH10K_FLAG_PEER_STATS));
mtx_unlock(&ar->conf_mutex);
return simple_read_from_buffer(ubuf, count, ppos, buf, len);
}
static const struct file_operations fops_peer_stats = {
.read = ath10k_read_peer_stats, .write = ath10k_write_peer_stats, .open = simple_open};
static ssize_t ath10k_debug_fw_checksums_read(struct file* file, char __user* user_buf,
size_t count, loff_t* ppos) {
struct ath10k* ar = file->private_data;
size_t len = 0, buf_len = 4096;
ssize_t ret_cnt;
char* buf;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf) { return -ENOMEM; }
mtx_lock(&ar->conf_mutex);
len += SNPRINTF_USED(buf + len, buf_len - len, "firmware-N.bin\t\t%08x\n",
crc32_le(0, ar->normal_mode_fw.fw_file.firmware->data,
ar->normal_mode_fw.fw_file.firmware->size));
len += SNPRINTF_USED(buf + len, buf_len - len, "athwlan\t\t\t%08x\n",
crc32_le(0, ar->normal_mode_fw.fw_file.firmware_data,
ar->normal_mode_fw.fw_file.firmware_len));
len += SNPRINTF_USED(
buf + len, buf_len - len, "otp\t\t\t%08x\n",
crc32_le(0, ar->normal_mode_fw.fw_file.otp_data, ar->normal_mode_fw.fw_file.otp_len));
len += SNPRINTF_USED(buf + len, buf_len - len, "codeswap\t\t%08x\n",
crc32_le(0, ar->normal_mode_fw.fw_file.codeswap_data,
ar->normal_mode_fw.fw_file.codeswap_len));
len +=
SNPRINTF_USED(buf + len, buf_len - len, "board-N.bin\t\t%08x\n",
crc32_le(0, ar->normal_mode_fw.board->data, ar->normal_mode_fw.board->size));
len += SNPRINTF_USED(buf + len, buf_len - len, "board\t\t\t%08x\n",
crc32_le(0, ar->normal_mode_fw.board_data, ar->normal_mode_fw.board_len));
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
mtx_unlock(&ar->conf_mutex);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_fw_checksums = {
.read = ath10k_debug_fw_checksums_read,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
int ath10k_debug_create(struct ath10k* ar) {
ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data));
if (!ar->debug.fw_crash_data) { return -ENOMEM; }
ar->debug.cal_data = vzalloc(ATH10K_DEBUG_CAL_DATA_LEN);
if (!ar->debug.cal_data) { return -ENOMEM; }
INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs);
INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs);
INIT_LIST_HEAD(&ar->debug.fw_stats.peers);
INIT_LIST_HEAD(&ar->debug.fw_stats.peers_extd);
return 0;
}
void ath10k_debug_destroy(struct ath10k* ar) {
vfree(ar->debug.fw_crash_data);
ar->debug.fw_crash_data = NULL;
vfree(ar->debug.cal_data);
ar->debug.cal_data = NULL;
ath10k_debug_fw_stats_reset(ar);
kfree(ar->debug.tpc_stats);
}
int ath10k_debug_register(struct ath10k* ar) {
ar->debug.debugfs_phy = debugfs_create_dir("ath10k", ar->hw->wiphy->debugfsdir);
if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) {
if (IS_ERR(ar->debug.debugfs_phy)) { return PTR_ERR(ar->debug.debugfs_phy); }
return -ENOMEM;
}
INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, ath10k_debug_htt_stats_dwork);
ar->debug.tpc_complete = SYNC_COMPLETION_INIT;
ar->debug.fw_stats_complete = SYNC_COMPLETION_INIT;
debugfs_create_file("fw_stats", 0400, ar->debug.debugfs_phy, ar, &fops_fw_stats);
debugfs_create_file("fw_reset_stats", 0400, ar->debug.debugfs_phy, ar, &fops_fw_reset_stats);
debugfs_create_file("wmi_services", 0400, ar->debug.debugfs_phy, ar, &fops_wmi_services);
debugfs_create_file("simulate_fw_crash", 0600, ar->debug.debugfs_phy, ar,
&fops_simulate_fw_crash);
debugfs_create_file("fw_crash_dump", 0400, ar->debug.debugfs_phy, ar, &fops_fw_crash_dump);
debugfs_create_file("reg_addr", 0600, ar->debug.debugfs_phy, ar, &fops_reg_addr);
debugfs_create_file("reg_value", 0600, ar->debug.debugfs_phy, ar, &fops_reg_value);
debugfs_create_file("mem_value", 0600, ar->debug.debugfs_phy, ar, &fops_mem_value);
debugfs_create_file("chip_id", 0400, ar->debug.debugfs_phy, ar, &fops_chip_id);
debugfs_create_file("htt_stats_mask", 0600, ar->debug.debugfs_phy, ar, &fops_htt_stats_mask);
debugfs_create_file("htt_max_amsdu_ampdu", 0600, ar->debug.debugfs_phy, ar,
&fops_htt_max_amsdu_ampdu);
debugfs_create_file("fw_dbglog", 0600, ar->debug.debugfs_phy, ar, &fops_fw_dbglog);
debugfs_create_file("cal_data", 0400, ar->debug.debugfs_phy, ar, &fops_cal_data);
debugfs_create_file("ani_enable", 0600, ar->debug.debugfs_phy, ar, &fops_ani_enable);
debugfs_create_file("nf_cal_period", 0600, ar->debug.debugfs_phy, ar, &fops_nf_cal_period);
if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) {
debugfs_create_file("dfs_simulate_radar", 0200, ar->debug.debugfs_phy, ar,
&fops_simulate_radar);
debugfs_create_bool("dfs_block_radar_events", 0200, ar->debug.debugfs_phy,
&ar->dfs_block_radar_events);
debugfs_create_file("dfs_stats", 0400, ar->debug.debugfs_phy, ar, &fops_dfs_stats);
}
debugfs_create_file("pktlog_filter", 0644, ar->debug.debugfs_phy, ar, &fops_pktlog_filter);
debugfs_create_file("quiet_period", 0644, ar->debug.debugfs_phy, ar, &fops_quiet_period);
debugfs_create_file("tpc_stats", 0400, ar->debug.debugfs_phy, ar, &fops_tpc_stats);
if (BITARR_TEST(ar->wmi.svc_map, WMI_SERVICE_COEX_GPIO))
debugfs_create_file("btcoex", 0644, ar->debug.debugfs_phy, ar, &fops_btcoex);
if (BITARR_TEST(ar->wmi.svc_map, WMI_SERVICE_PEER_STATS))
debugfs_create_file("peer_stats", 0644, ar->debug.debugfs_phy, ar, &fops_peer_stats);
debugfs_create_file("fw_checksums", 0400, ar->debug.debugfs_phy, ar, &fops_fw_checksums);
return 0;
}
void ath10k_debug_unregister(struct ath10k* ar) {
cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
}
#endif /* CONFIG_ATH10K_DEBUGFS */
#ifdef CONFIG_ATH10K_DEBUG
void ath10k_dbg(struct ath10k* ar, enum ath10k_debug_mask mask, const char* fmt, ...) {
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
if (ath10k_debug_mask & mask) { dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf); }
trace_ath10k_log_dbg(ar, mask, &vaf);
va_end(args);
}
void ath10k_dbg_dump(struct ath10k* ar, enum ath10k_debug_mask mask, const char* msg,
const char* prefix, const void* buf, size_t len) {
char linebuf[256];
size_t linebuflen;
const void* ptr;
if (ath10k_debug_mask & mask) {
if (msg) { ath10k_dbg(ar, mask, "%s\n", msg); }
for (ptr = buf; (ptr - buf) < len; ptr += 16) {
linebuflen = 0;
linebuflen +=
SNPRINTF_USED(linebuf + linebuflen, sizeof(linebuf) - linebuflen,
"%s%08x: ", (prefix ? prefix : ""), (unsigned int)(ptr - buf));
hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1, linebuf + linebuflen,
sizeof(linebuf) - linebuflen, true);
dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf);
}
}
/* tracing code doesn't like null strings :/ */
trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "", buf, len);
}
#endif /* CONFIG_ATH10K_DEBUG */