mirror of https://gitee.com/openkylin/linux.git
812 lines
23 KiB
C
812 lines
23 KiB
C
/*
|
|
* 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 <linux/module.h>
|
|
#include <linux/debugfs.h>
|
|
|
|
#include "core.h"
|
|
#include "debug.h"
|
|
|
|
/* ms */
|
|
#define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000
|
|
|
|
static int ath10k_printk(const char *level, const char *fmt, ...)
|
|
{
|
|
struct va_format vaf;
|
|
va_list args;
|
|
int rtn;
|
|
|
|
va_start(args, fmt);
|
|
|
|
vaf.fmt = fmt;
|
|
vaf.va = &args;
|
|
|
|
rtn = printk("%sath10k: %pV", level, &vaf);
|
|
|
|
va_end(args);
|
|
|
|
return rtn;
|
|
}
|
|
|
|
int ath10k_info(const char *fmt, ...)
|
|
{
|
|
struct va_format vaf = {
|
|
.fmt = fmt,
|
|
};
|
|
va_list args;
|
|
int ret;
|
|
|
|
va_start(args, fmt);
|
|
vaf.va = &args;
|
|
ret = ath10k_printk(KERN_INFO, "%pV", &vaf);
|
|
trace_ath10k_log_info(&vaf);
|
|
va_end(args);
|
|
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL(ath10k_info);
|
|
|
|
int ath10k_err(const char *fmt, ...)
|
|
{
|
|
struct va_format vaf = {
|
|
.fmt = fmt,
|
|
};
|
|
va_list args;
|
|
int ret;
|
|
|
|
va_start(args, fmt);
|
|
vaf.va = &args;
|
|
ret = ath10k_printk(KERN_ERR, "%pV", &vaf);
|
|
trace_ath10k_log_err(&vaf);
|
|
va_end(args);
|
|
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL(ath10k_err);
|
|
|
|
int ath10k_warn(const char *fmt, ...)
|
|
{
|
|
struct va_format vaf = {
|
|
.fmt = fmt,
|
|
};
|
|
va_list args;
|
|
int ret = 0;
|
|
|
|
va_start(args, fmt);
|
|
vaf.va = &args;
|
|
|
|
if (net_ratelimit())
|
|
ret = ath10k_printk(KERN_WARNING, "%pV", &vaf);
|
|
|
|
trace_ath10k_log_warn(&vaf);
|
|
|
|
va_end(args);
|
|
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL(ath10k_warn);
|
|
|
|
#ifdef CONFIG_ATH10K_DEBUGFS
|
|
|
|
void ath10k_debug_read_service_map(struct ath10k *ar,
|
|
void *service_map,
|
|
size_t map_size)
|
|
{
|
|
memcpy(ar->debug.wmi_service_bitmap, service_map, map_size);
|
|
}
|
|
|
|
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;
|
|
unsigned int len = 0, buf_len = 1500;
|
|
const char *status;
|
|
ssize_t ret_cnt;
|
|
int i;
|
|
|
|
buf = kzalloc(buf_len, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
mutex_lock(&ar->conf_mutex);
|
|
|
|
if (len > buf_len)
|
|
len = buf_len;
|
|
|
|
for (i = 0; i < WMI_SERVICE_LAST; i++) {
|
|
if (WMI_SERVICE_IS_ENABLED(ar->debug.wmi_service_bitmap, i))
|
|
status = "enabled";
|
|
else
|
|
status = "disabled";
|
|
|
|
len += scnprintf(buf + len, buf_len - len,
|
|
"0x%02x - %20s - %s\n",
|
|
i, wmi_service_name(i), status);
|
|
}
|
|
|
|
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,
|
|
};
|
|
|
|
void ath10k_debug_read_target_stats(struct ath10k *ar,
|
|
struct wmi_stats_event *ev)
|
|
{
|
|
u8 *tmp = ev->data;
|
|
struct ath10k_target_stats *stats;
|
|
int num_pdev_stats, num_vdev_stats, num_peer_stats;
|
|
struct wmi_pdev_stats *ps;
|
|
int i;
|
|
|
|
spin_lock_bh(&ar->data_lock);
|
|
|
|
stats = &ar->debug.target_stats;
|
|
|
|
num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats); /* 0 or 1 */
|
|
num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); /* 0 or max vdevs */
|
|
num_peer_stats = __le32_to_cpu(ev->num_peer_stats); /* 0 or max peers */
|
|
|
|
if (num_pdev_stats) {
|
|
ps = (struct wmi_pdev_stats *)tmp;
|
|
|
|
stats->ch_noise_floor = __le32_to_cpu(ps->chan_nf);
|
|
stats->tx_frame_count = __le32_to_cpu(ps->tx_frame_count);
|
|
stats->rx_frame_count = __le32_to_cpu(ps->rx_frame_count);
|
|
stats->rx_clear_count = __le32_to_cpu(ps->rx_clear_count);
|
|
stats->cycle_count = __le32_to_cpu(ps->cycle_count);
|
|
stats->phy_err_count = __le32_to_cpu(ps->phy_err_count);
|
|
stats->chan_tx_power = __le32_to_cpu(ps->chan_tx_pwr);
|
|
|
|
stats->comp_queued = __le32_to_cpu(ps->wal.tx.comp_queued);
|
|
stats->comp_delivered =
|
|
__le32_to_cpu(ps->wal.tx.comp_delivered);
|
|
stats->msdu_enqued = __le32_to_cpu(ps->wal.tx.msdu_enqued);
|
|
stats->mpdu_enqued = __le32_to_cpu(ps->wal.tx.mpdu_enqued);
|
|
stats->wmm_drop = __le32_to_cpu(ps->wal.tx.wmm_drop);
|
|
stats->local_enqued = __le32_to_cpu(ps->wal.tx.local_enqued);
|
|
stats->local_freed = __le32_to_cpu(ps->wal.tx.local_freed);
|
|
stats->hw_queued = __le32_to_cpu(ps->wal.tx.hw_queued);
|
|
stats->hw_reaped = __le32_to_cpu(ps->wal.tx.hw_reaped);
|
|
stats->underrun = __le32_to_cpu(ps->wal.tx.underrun);
|
|
stats->tx_abort = __le32_to_cpu(ps->wal.tx.tx_abort);
|
|
stats->mpdus_requed = __le32_to_cpu(ps->wal.tx.mpdus_requed);
|
|
stats->tx_ko = __le32_to_cpu(ps->wal.tx.tx_ko);
|
|
stats->data_rc = __le32_to_cpu(ps->wal.tx.data_rc);
|
|
stats->self_triggers = __le32_to_cpu(ps->wal.tx.self_triggers);
|
|
stats->sw_retry_failure =
|
|
__le32_to_cpu(ps->wal.tx.sw_retry_failure);
|
|
stats->illgl_rate_phy_err =
|
|
__le32_to_cpu(ps->wal.tx.illgl_rate_phy_err);
|
|
stats->pdev_cont_xretry =
|
|
__le32_to_cpu(ps->wal.tx.pdev_cont_xretry);
|
|
stats->pdev_tx_timeout =
|
|
__le32_to_cpu(ps->wal.tx.pdev_tx_timeout);
|
|
stats->pdev_resets = __le32_to_cpu(ps->wal.tx.pdev_resets);
|
|
stats->phy_underrun = __le32_to_cpu(ps->wal.tx.phy_underrun);
|
|
stats->txop_ovf = __le32_to_cpu(ps->wal.tx.txop_ovf);
|
|
|
|
stats->mid_ppdu_route_change =
|
|
__le32_to_cpu(ps->wal.rx.mid_ppdu_route_change);
|
|
stats->status_rcvd = __le32_to_cpu(ps->wal.rx.status_rcvd);
|
|
stats->r0_frags = __le32_to_cpu(ps->wal.rx.r0_frags);
|
|
stats->r1_frags = __le32_to_cpu(ps->wal.rx.r1_frags);
|
|
stats->r2_frags = __le32_to_cpu(ps->wal.rx.r2_frags);
|
|
stats->r3_frags = __le32_to_cpu(ps->wal.rx.r3_frags);
|
|
stats->htt_msdus = __le32_to_cpu(ps->wal.rx.htt_msdus);
|
|
stats->htt_mpdus = __le32_to_cpu(ps->wal.rx.htt_mpdus);
|
|
stats->loc_msdus = __le32_to_cpu(ps->wal.rx.loc_msdus);
|
|
stats->loc_mpdus = __le32_to_cpu(ps->wal.rx.loc_mpdus);
|
|
stats->oversize_amsdu =
|
|
__le32_to_cpu(ps->wal.rx.oversize_amsdu);
|
|
stats->phy_errs = __le32_to_cpu(ps->wal.rx.phy_errs);
|
|
stats->phy_err_drop = __le32_to_cpu(ps->wal.rx.phy_err_drop);
|
|
stats->mpdu_errs = __le32_to_cpu(ps->wal.rx.mpdu_errs);
|
|
|
|
tmp += sizeof(struct wmi_pdev_stats);
|
|
}
|
|
|
|
/* 0 or max vdevs */
|
|
/* Currently firmware does not support VDEV stats */
|
|
if (num_vdev_stats) {
|
|
struct wmi_vdev_stats *vdev_stats;
|
|
|
|
for (i = 0; i < num_vdev_stats; i++) {
|
|
vdev_stats = (struct wmi_vdev_stats *)tmp;
|
|
tmp += sizeof(struct wmi_vdev_stats);
|
|
}
|
|
}
|
|
|
|
if (num_peer_stats) {
|
|
struct wmi_peer_stats *peer_stats;
|
|
struct ath10k_peer_stat *s;
|
|
|
|
stats->peers = num_peer_stats;
|
|
|
|
for (i = 0; i < num_peer_stats; i++) {
|
|
peer_stats = (struct wmi_peer_stats *)tmp;
|
|
s = &stats->peer_stat[i];
|
|
|
|
WMI_MAC_ADDR_TO_CHAR_ARRAY(&peer_stats->peer_macaddr,
|
|
s->peer_macaddr);
|
|
s->peer_rssi = __le32_to_cpu(peer_stats->peer_rssi);
|
|
s->peer_tx_rate =
|
|
__le32_to_cpu(peer_stats->peer_tx_rate);
|
|
|
|
tmp += sizeof(struct wmi_peer_stats);
|
|
}
|
|
}
|
|
|
|
spin_unlock_bh(&ar->data_lock);
|
|
complete(&ar->debug.event_stats_compl);
|
|
}
|
|
|
|
static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct ath10k *ar = file->private_data;
|
|
struct ath10k_target_stats *fw_stats;
|
|
char *buf = NULL;
|
|
unsigned int len = 0, buf_len = 2500;
|
|
ssize_t ret_cnt = 0;
|
|
long left;
|
|
int i;
|
|
int ret;
|
|
|
|
fw_stats = &ar->debug.target_stats;
|
|
|
|
mutex_lock(&ar->conf_mutex);
|
|
|
|
if (ar->state != ATH10K_STATE_ON)
|
|
goto exit;
|
|
|
|
buf = kzalloc(buf_len, GFP_KERNEL);
|
|
if (!buf)
|
|
goto exit;
|
|
|
|
ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT);
|
|
if (ret) {
|
|
ath10k_warn("could not request stats (%d)\n", ret);
|
|
goto exit;
|
|
}
|
|
|
|
left = wait_for_completion_timeout(&ar->debug.event_stats_compl, 1*HZ);
|
|
if (left <= 0)
|
|
goto exit;
|
|
|
|
spin_lock_bh(&ar->data_lock);
|
|
len += scnprintf(buf + len, buf_len - len, "\n");
|
|
len += scnprintf(buf + len, buf_len - len, "%30s\n",
|
|
"ath10k PDEV stats");
|
|
len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
|
|
"=================");
|
|
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Channel noise floor", fw_stats->ch_noise_floor);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
|
|
"Channel TX power", fw_stats->chan_tx_power);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
|
|
"TX frame count", fw_stats->tx_frame_count);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
|
|
"RX frame count", fw_stats->rx_frame_count);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
|
|
"RX clear count", fw_stats->rx_clear_count);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
|
|
"Cycle count", fw_stats->cycle_count);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
|
|
"PHY error count", fw_stats->phy_err_count);
|
|
|
|
len += scnprintf(buf + len, buf_len - len, "\n");
|
|
len += scnprintf(buf + len, buf_len - len, "%30s\n",
|
|
"ath10k PDEV TX stats");
|
|
len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
|
|
"=================");
|
|
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"HTT cookies queued", fw_stats->comp_queued);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"HTT cookies disp.", fw_stats->comp_delivered);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"MSDU queued", fw_stats->msdu_enqued);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"MPDU queued", fw_stats->mpdu_enqued);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"MSDUs dropped", fw_stats->wmm_drop);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Local enqued", fw_stats->local_enqued);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Local freed", fw_stats->local_freed);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"HW queued", fw_stats->hw_queued);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"PPDUs reaped", fw_stats->hw_reaped);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Num underruns", fw_stats->underrun);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"PPDUs cleaned", fw_stats->tx_abort);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"MPDUs requed", fw_stats->mpdus_requed);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Excessive retries", fw_stats->tx_ko);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"HW rate", fw_stats->data_rc);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Sched self tiggers", fw_stats->self_triggers);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Dropped due to SW retries",
|
|
fw_stats->sw_retry_failure);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Illegal rate phy errors",
|
|
fw_stats->illgl_rate_phy_err);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Pdev continous xretry", fw_stats->pdev_cont_xretry);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"TX timeout", fw_stats->pdev_tx_timeout);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"PDEV resets", fw_stats->pdev_resets);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"PHY underrun", fw_stats->phy_underrun);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"MPDU is more than txop limit", fw_stats->txop_ovf);
|
|
|
|
len += scnprintf(buf + len, buf_len - len, "\n");
|
|
len += scnprintf(buf + len, buf_len - len, "%30s\n",
|
|
"ath10k PDEV RX stats");
|
|
len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
|
|
"=================");
|
|
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Mid PPDU route change",
|
|
fw_stats->mid_ppdu_route_change);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Tot. number of statuses", fw_stats->status_rcvd);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Extra frags on rings 0", fw_stats->r0_frags);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Extra frags on rings 1", fw_stats->r1_frags);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Extra frags on rings 2", fw_stats->r2_frags);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Extra frags on rings 3", fw_stats->r3_frags);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"MSDUs delivered to HTT", fw_stats->htt_msdus);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"MPDUs delivered to HTT", fw_stats->htt_mpdus);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"MSDUs delivered to stack", fw_stats->loc_msdus);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"MPDUs delivered to stack", fw_stats->loc_mpdus);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"Oversized AMSUs", fw_stats->oversize_amsdu);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"PHY errors", fw_stats->phy_errs);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"PHY errors drops", fw_stats->phy_err_drop);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
|
|
"MPDU errors (FCS, MIC, ENC)", fw_stats->mpdu_errs);
|
|
|
|
len += scnprintf(buf + len, buf_len - len, "\n");
|
|
len += scnprintf(buf + len, buf_len - len, "%30s\n",
|
|
"ath10k PEER stats");
|
|
len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
|
|
"=================");
|
|
|
|
for (i = 0; i < fw_stats->peers; i++) {
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %pM\n",
|
|
"Peer MAC address",
|
|
fw_stats->peer_stat[i].peer_macaddr);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
|
|
"Peer RSSI", fw_stats->peer_stat[i].peer_rssi);
|
|
len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
|
|
"Peer TX rate",
|
|
fw_stats->peer_stat[i].peer_tx_rate);
|
|
len += scnprintf(buf + len, buf_len - len, "\n");
|
|
}
|
|
spin_unlock_bh(&ar->data_lock);
|
|
|
|
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 const struct file_operations fops_fw_stats = {
|
|
.read = ath10k_read_fw_stats,
|
|
.open = simple_open,
|
|
.owner = THIS_MODULE,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
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 the keyword"
|
|
" `crash` to this file.\nThis will force firmware"
|
|
" to report a crash to the host system.\n";
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
|
|
}
|
|
|
|
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] = {};
|
|
int ret;
|
|
|
|
mutex_lock(&ar->conf_mutex);
|
|
|
|
simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
|
|
if (strcmp(buf, "crash") && strcmp(buf, "crash\n")) {
|
|
ret = -EINVAL;
|
|
goto exit;
|
|
}
|
|
|
|
if (ar->state != ATH10K_STATE_ON &&
|
|
ar->state != ATH10K_STATE_RESTARTED) {
|
|
ret = -ENETDOWN;
|
|
goto exit;
|
|
}
|
|
|
|
ath10k_info("simulating firmware crash\n");
|
|
|
|
ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0);
|
|
if (ret)
|
|
ath10k_warn("failed to force fw hang (%d)\n", ret);
|
|
|
|
if (ret == 0)
|
|
ret = count;
|
|
|
|
exit:
|
|
mutex_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;
|
|
unsigned int len;
|
|
char buf[50];
|
|
|
|
len = scnprintf(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,
|
|
};
|
|
|
|
static int ath10k_debug_htt_stats_req(struct ath10k *ar)
|
|
{
|
|
u64 cookie;
|
|
int ret;
|
|
|
|
lockdep_assert_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);
|
|
|
|
mutex_lock(&ar->conf_mutex);
|
|
|
|
ath10k_debug_htt_stats_req(ar);
|
|
|
|
mutex_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];
|
|
unsigned int len;
|
|
|
|
len = scnprintf(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;
|
|
|
|
mutex_lock(&ar->conf_mutex);
|
|
|
|
ar->debug.htt_stats_mask = mask;
|
|
|
|
ret = ath10k_debug_htt_stats_req(ar);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = count;
|
|
|
|
out:
|
|
mutex_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,
|
|
};
|
|
|
|
int ath10k_debug_start(struct ath10k *ar)
|
|
{
|
|
int ret;
|
|
|
|
lockdep_assert_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);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ath10k_debug_stop(struct ath10k *ar)
|
|
{
|
|
lockdep_assert_held(&ar->conf_mutex);
|
|
|
|
/* 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);
|
|
}
|
|
|
|
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;
|
|
|
|
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 += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
|
|
ar->debug.dfs_stats.p))
|
|
|
|
#define ATH10K_DFS_POOL_STAT(s, p) (\
|
|
len += scnprintf(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 += scnprintf(buf + len, size - len, "DFS not enabled\n");
|
|
goto exit;
|
|
}
|
|
|
|
ar->debug.dfs_pool_stats =
|
|
ar->dfs_detector->get_stats(ar->dfs_detector);
|
|
|
|
len += scnprintf(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 += scnprintf(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,
|
|
};
|
|
|
|
int ath10k_debug_create(struct ath10k *ar)
|
|
{
|
|
ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
|
|
ar->hw->wiphy->debugfsdir);
|
|
|
|
if (!ar->debug.debugfs_phy)
|
|
return -ENOMEM;
|
|
|
|
INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
|
|
ath10k_debug_htt_stats_dwork);
|
|
|
|
init_completion(&ar->debug.event_stats_compl);
|
|
|
|
debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar,
|
|
&fops_fw_stats);
|
|
|
|
debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar,
|
|
&fops_wmi_services);
|
|
|
|
debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy,
|
|
ar, &fops_simulate_fw_crash);
|
|
|
|
debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy,
|
|
ar, &fops_chip_id);
|
|
|
|
debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy,
|
|
ar, &fops_htt_stats_mask);
|
|
|
|
if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
|
|
debugfs_create_file("dfs_simulate_radar", S_IWUSR,
|
|
ar->debug.debugfs_phy, ar,
|
|
&fops_simulate_radar);
|
|
|
|
debugfs_create_bool("dfs_block_radar_events", S_IWUSR,
|
|
ar->debug.debugfs_phy,
|
|
&ar->dfs_block_radar_events);
|
|
|
|
debugfs_create_file("dfs_stats", S_IRUSR,
|
|
ar->debug.debugfs_phy, ar,
|
|
&fops_dfs_stats);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ath10k_debug_destroy(struct ath10k *ar)
|
|
{
|
|
cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
|
|
}
|
|
|
|
#endif /* CONFIG_ATH10K_DEBUGFS */
|
|
|
|
#ifdef CONFIG_ATH10K_DEBUG
|
|
void ath10k_dbg(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)
|
|
ath10k_printk(KERN_DEBUG, "%pV", &vaf);
|
|
|
|
trace_ath10k_log_dbg(mask, &vaf);
|
|
|
|
va_end(args);
|
|
}
|
|
EXPORT_SYMBOL(ath10k_dbg);
|
|
|
|
void ath10k_dbg_dump(enum ath10k_debug_mask mask,
|
|
const char *msg, const char *prefix,
|
|
const void *buf, size_t len)
|
|
{
|
|
if (ath10k_debug_mask & mask) {
|
|
if (msg)
|
|
ath10k_dbg(mask, "%s\n", msg);
|
|
|
|
print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);
|
|
}
|
|
|
|
/* tracing code doesn't like null strings :/ */
|
|
trace_ath10k_log_dbg_dump(msg ? msg : "", prefix ? prefix : "",
|
|
buf, len);
|
|
}
|
|
EXPORT_SYMBOL(ath10k_dbg_dump);
|
|
|
|
#endif /* CONFIG_ATH10K_DEBUG */
|