2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include <linux/module.h>
19 #include <linux/debugfs.h>
20 #include <linux/version.h>
21 #include <linux/vermagic.h>
22 #include <linux/vmalloc.h>
29 #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000
31 #define ATH10K_FW_CRASH_DUMP_VERSION 1
34 * enum ath10k_fw_crash_dump_type - types of data in the dump file
35 * @ATH10K_FW_CRASH_DUMP_REGDUMP: Register crash dump in binary format
37 enum ath10k_fw_crash_dump_type {
38 ATH10K_FW_CRASH_DUMP_REGISTERS = 0,
40 ATH10K_FW_CRASH_DUMP_MAX,
43 struct ath10k_tlv_dump_data {
44 /* see ath10k_fw_crash_dump_type above */
50 /* pad to 32-bit boundaries as needed */
54 struct ath10k_dump_file_data {
55 /* dump file information */
57 /* "ATH10K-FW-DUMP" */
62 /* file dump version */
65 /* some info we can get from ath10k struct that might help */
71 /* 0 for now, in place for later hardware */
74 __le32 target_version;
75 __le32 fw_version_major;
76 __le32 fw_version_minor;
77 __le32 fw_version_release;
78 __le32 fw_version_build;
79 __le32 phy_capability;
80 __le32 hw_min_tx_power;
81 __le32 hw_max_tx_power;
86 /* firmware version string */
87 char fw_ver[ETHTOOL_FWVERS_LEN];
89 /* Kernel related information */
91 /* time-of-day stamp */
94 /* time-of-day stamp, nano-seconds */
97 /* LINUX_VERSION_CODE */
98 __le32 kernel_ver_code;
100 /* VERMAGIC_STRING */
103 /* room for growth w/out changing binary format */
106 /* struct ath10k_tlv_dump_data + more */
110 void ath10k_info(struct ath10k *ar, const char *fmt, ...)
112 struct va_format vaf = {
119 dev_info(ar->dev, "%pV", &vaf);
120 trace_ath10k_log_info(ar, &vaf);
123 EXPORT_SYMBOL(ath10k_info);
125 void ath10k_print_driver_info(struct ath10k *ar)
127 ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d wmi %d.%d.%d.%d cal %s\n",
131 ar->hw->wiphy->fw_version,
133 ar->htt.target_version_major,
134 ar->htt.target_version_minor,
135 ar->fw_version_major,
136 ar->fw_version_minor,
137 ar->fw_version_release,
138 ar->fw_version_build,
139 ath10k_cal_mode_str(ar->cal_mode));
140 ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n",
141 config_enabled(CONFIG_ATH10K_DEBUG),
142 config_enabled(CONFIG_ATH10K_DEBUGFS),
143 config_enabled(CONFIG_ATH10K_TRACING),
144 config_enabled(CONFIG_ATH10K_DFS_CERTIFIED),
145 config_enabled(CONFIG_NL80211_TESTMODE));
147 EXPORT_SYMBOL(ath10k_print_driver_info);
149 void ath10k_err(struct ath10k *ar, const char *fmt, ...)
151 struct va_format vaf = {
158 dev_err(ar->dev, "%pV", &vaf);
159 trace_ath10k_log_err(ar, &vaf);
162 EXPORT_SYMBOL(ath10k_err);
164 void ath10k_warn(struct ath10k *ar, const char *fmt, ...)
166 struct va_format vaf = {
173 dev_warn_ratelimited(ar->dev, "%pV", &vaf);
174 trace_ath10k_log_warn(ar, &vaf);
178 EXPORT_SYMBOL(ath10k_warn);
180 #ifdef CONFIG_ATH10K_DEBUGFS
182 void ath10k_debug_read_service_map(struct ath10k *ar,
183 const void *service_map,
186 memcpy(ar->debug.wmi_service_bitmap, service_map, map_size);
189 static ssize_t ath10k_read_wmi_services(struct file *file,
190 char __user *user_buf,
191 size_t count, loff_t *ppos)
193 struct ath10k *ar = file->private_data;
195 unsigned int len = 0, buf_len = 4096;
201 buf = kzalloc(buf_len, GFP_KERNEL);
205 mutex_lock(&ar->conf_mutex);
210 for (i = 0; i < WMI_SERVICE_MAX; i++) {
211 enabled = test_bit(i, ar->debug.wmi_service_bitmap);
212 name = wmi_service_name(i);
216 len += scnprintf(buf + len, buf_len - len,
217 "%-40s %s (bit %d)\n",
218 "unknown", "enabled", i);
223 len += scnprintf(buf + len, buf_len - len,
225 name, enabled ? "enabled" : "-");
228 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
230 mutex_unlock(&ar->conf_mutex);
236 static const struct file_operations fops_wmi_services = {
237 .read = ath10k_read_wmi_services,
239 .owner = THIS_MODULE,
240 .llseek = default_llseek,
243 static void ath10k_debug_fw_stats_pdevs_free(struct list_head *head)
245 struct ath10k_fw_stats_pdev *i, *tmp;
247 list_for_each_entry_safe(i, tmp, head, list) {
253 static void ath10k_debug_fw_stats_peers_free(struct list_head *head)
255 struct ath10k_fw_stats_peer *i, *tmp;
257 list_for_each_entry_safe(i, tmp, head, list) {
263 static void ath10k_debug_fw_stats_reset(struct ath10k *ar)
265 spin_lock_bh(&ar->data_lock);
266 ar->debug.fw_stats_done = false;
267 ath10k_debug_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs);
268 ath10k_debug_fw_stats_peers_free(&ar->debug.fw_stats.peers);
269 spin_unlock_bh(&ar->data_lock);
272 static size_t ath10k_debug_fw_stats_num_peers(struct list_head *head)
274 struct ath10k_fw_stats_peer *i;
277 list_for_each_entry(i, head, list)
283 void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
285 struct ath10k_fw_stats stats = {};
286 bool is_start, is_started, is_end;
290 INIT_LIST_HEAD(&stats.pdevs);
291 INIT_LIST_HEAD(&stats.peers);
293 spin_lock_bh(&ar->data_lock);
294 ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats);
296 ath10k_warn(ar, "failed to pull fw stats: %d\n", ret);
300 /* Stat data may exceed htc-wmi buffer limit. In such case firmware
301 * splits the stats data and delivers it in a ping-pong fashion of
302 * request cmd-update event.
304 * However there is no explicit end-of-data. Instead start-of-data is
305 * used as an implicit one. This works as follows:
306 * a) discard stat update events until one with pdev stats is
307 * delivered - this skips session started at end of (b)
308 * b) consume stat update events until another one with pdev stats is
309 * delivered which is treated as end-of-data and is itself discarded
312 if (ar->debug.fw_stats_done) {
313 ath10k_warn(ar, "received unsolicited stats update event\n");
317 num_peers = ath10k_debug_fw_stats_num_peers(&ar->debug.fw_stats.peers);
318 is_start = (list_empty(&ar->debug.fw_stats.pdevs) &&
319 !list_empty(&stats.pdevs));
320 is_end = (!list_empty(&ar->debug.fw_stats.pdevs) &&
321 !list_empty(&stats.pdevs));
324 list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs);
327 ar->debug.fw_stats_done = true;
329 is_started = !list_empty(&ar->debug.fw_stats.pdevs);
331 if (is_started && !is_end) {
332 if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) {
333 /* Although this is unlikely impose a sane limit to
334 * prevent firmware from DoS-ing the host.
336 ath10k_warn(ar, "dropping fw peer stats\n");
340 list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers);
343 complete(&ar->debug.fw_stats_complete);
346 /* In some cases lists have been spliced and cleared. Free up
347 * resources if that is not the case.
349 ath10k_debug_fw_stats_pdevs_free(&stats.pdevs);
350 ath10k_debug_fw_stats_peers_free(&stats.peers);
353 spin_unlock_bh(&ar->data_lock);
356 static int ath10k_debug_fw_stats_request(struct ath10k *ar)
358 unsigned long timeout;
361 lockdep_assert_held(&ar->conf_mutex);
363 timeout = jiffies + msecs_to_jiffies(1*HZ);
365 ath10k_debug_fw_stats_reset(ar);
368 if (time_after(jiffies, timeout))
371 reinit_completion(&ar->debug.fw_stats_complete);
373 ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT);
375 ath10k_warn(ar, "could not request stats (%d)\n", ret);
379 ret = wait_for_completion_timeout(&ar->debug.fw_stats_complete,
384 spin_lock_bh(&ar->data_lock);
385 if (ar->debug.fw_stats_done) {
386 spin_unlock_bh(&ar->data_lock);
389 spin_unlock_bh(&ar->data_lock);
395 /* FIXME: How to calculate the buffer size sanely? */
396 #define ATH10K_FW_STATS_BUF_SIZE (1024*1024)
398 static void ath10k_fw_stats_fill(struct ath10k *ar,
399 struct ath10k_fw_stats *fw_stats,
402 unsigned int len = 0;
403 unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE;
404 const struct ath10k_fw_stats_pdev *pdev;
405 const struct ath10k_fw_stats_peer *peer;
408 spin_lock_bh(&ar->data_lock);
410 pdev = list_first_entry_or_null(&fw_stats->pdevs,
411 struct ath10k_fw_stats_pdev, list);
413 ath10k_warn(ar, "failed to get pdev stats\n");
417 num_peers = ath10k_debug_fw_stats_num_peers(&fw_stats->peers);
419 len += scnprintf(buf + len, buf_len - len, "\n");
420 len += scnprintf(buf + len, buf_len - len, "%30s\n",
421 "ath10k PDEV stats");
422 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
423 "=================");
425 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
426 "Channel noise floor", pdev->ch_noise_floor);
427 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
428 "Channel TX power", pdev->chan_tx_power);
429 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
430 "TX frame count", pdev->tx_frame_count);
431 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
432 "RX frame count", pdev->rx_frame_count);
433 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
434 "RX clear count", pdev->rx_clear_count);
435 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
436 "Cycle count", pdev->cycle_count);
437 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
438 "PHY error count", pdev->phy_err_count);
439 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
440 "RTS bad count", pdev->rts_bad);
441 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
442 "RTS good count", pdev->rts_good);
443 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
444 "FCS bad count", pdev->fcs_bad);
445 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
446 "No beacon count", pdev->no_beacons);
447 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
448 "MIB int count", pdev->mib_int_count);
450 len += scnprintf(buf + len, buf_len - len, "\n");
451 len += scnprintf(buf + len, buf_len - len, "%30s\n",
452 "ath10k PDEV TX stats");
453 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
454 "=================");
456 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
457 "HTT cookies queued", pdev->comp_queued);
458 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
459 "HTT cookies disp.", pdev->comp_delivered);
460 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
461 "MSDU queued", pdev->msdu_enqued);
462 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
463 "MPDU queued", pdev->mpdu_enqued);
464 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
465 "MSDUs dropped", pdev->wmm_drop);
466 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
467 "Local enqued", pdev->local_enqued);
468 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
469 "Local freed", pdev->local_freed);
470 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
471 "HW queued", pdev->hw_queued);
472 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
473 "PPDUs reaped", pdev->hw_reaped);
474 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
475 "Num underruns", pdev->underrun);
476 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
477 "PPDUs cleaned", pdev->tx_abort);
478 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
479 "MPDUs requed", pdev->mpdus_requed);
480 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
481 "Excessive retries", pdev->tx_ko);
482 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
483 "HW rate", pdev->data_rc);
484 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
485 "Sched self tiggers", pdev->self_triggers);
486 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
487 "Dropped due to SW retries",
488 pdev->sw_retry_failure);
489 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
490 "Illegal rate phy errors",
491 pdev->illgl_rate_phy_err);
492 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
493 "Pdev continous xretry", pdev->pdev_cont_xretry);
494 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
495 "TX timeout", pdev->pdev_tx_timeout);
496 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
497 "PDEV resets", pdev->pdev_resets);
498 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
499 "PHY underrun", pdev->phy_underrun);
500 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
501 "MPDU is more than txop limit", pdev->txop_ovf);
503 len += scnprintf(buf + len, buf_len - len, "\n");
504 len += scnprintf(buf + len, buf_len - len, "%30s\n",
505 "ath10k PDEV RX stats");
506 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
507 "=================");
509 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
510 "Mid PPDU route change",
511 pdev->mid_ppdu_route_change);
512 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
513 "Tot. number of statuses", pdev->status_rcvd);
514 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
515 "Extra frags on rings 0", pdev->r0_frags);
516 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
517 "Extra frags on rings 1", pdev->r1_frags);
518 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
519 "Extra frags on rings 2", pdev->r2_frags);
520 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
521 "Extra frags on rings 3", pdev->r3_frags);
522 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
523 "MSDUs delivered to HTT", pdev->htt_msdus);
524 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
525 "MPDUs delivered to HTT", pdev->htt_mpdus);
526 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
527 "MSDUs delivered to stack", pdev->loc_msdus);
528 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
529 "MPDUs delivered to stack", pdev->loc_mpdus);
530 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
531 "Oversized AMSUs", pdev->oversize_amsdu);
532 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
533 "PHY errors", pdev->phy_errs);
534 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
535 "PHY errors drops", pdev->phy_err_drop);
536 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
537 "MPDU errors (FCS, MIC, ENC)", pdev->mpdu_errs);
539 len += scnprintf(buf + len, buf_len - len, "\n");
540 len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
541 "ath10k PEER stats", num_peers);
542 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
543 "=================");
545 list_for_each_entry(peer, &fw_stats->peers, list) {
546 len += scnprintf(buf + len, buf_len - len, "%30s %pM\n",
547 "Peer MAC address", peer->peer_macaddr);
548 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
549 "Peer RSSI", peer->peer_rssi);
550 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
551 "Peer TX rate", peer->peer_tx_rate);
552 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
553 "Peer RX rate", peer->peer_rx_rate);
554 len += scnprintf(buf + len, buf_len - len, "\n");
558 spin_unlock_bh(&ar->data_lock);
566 static int ath10k_fw_stats_open(struct inode *inode, struct file *file)
568 struct ath10k *ar = inode->i_private;
572 mutex_lock(&ar->conf_mutex);
574 if (ar->state != ATH10K_STATE_ON) {
579 buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE);
585 ret = ath10k_debug_fw_stats_request(ar);
587 ath10k_warn(ar, "failed to request fw stats: %d\n", ret);
591 ath10k_fw_stats_fill(ar, &ar->debug.fw_stats, buf);
592 file->private_data = buf;
594 mutex_unlock(&ar->conf_mutex);
601 mutex_unlock(&ar->conf_mutex);
605 static int ath10k_fw_stats_release(struct inode *inode, struct file *file)
607 vfree(file->private_data);
612 static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf,
613 size_t count, loff_t *ppos)
615 const char *buf = file->private_data;
616 unsigned int len = strlen(buf);
618 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
621 static const struct file_operations fops_fw_stats = {
622 .open = ath10k_fw_stats_open,
623 .release = ath10k_fw_stats_release,
624 .read = ath10k_fw_stats_read,
625 .owner = THIS_MODULE,
626 .llseek = default_llseek,
629 static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file,
630 char __user *user_buf,
631 size_t count, loff_t *ppos)
633 struct ath10k *ar = file->private_data;
634 int ret, len, buf_len;
638 buf = kmalloc(buf_len, GFP_KERNEL);
642 spin_lock_bh(&ar->data_lock);
645 len += scnprintf(buf + len, buf_len - len,
646 "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter);
647 len += scnprintf(buf + len, buf_len - len,
648 "fw_warm_reset_counter\t\t%d\n",
649 ar->stats.fw_warm_reset_counter);
650 len += scnprintf(buf + len, buf_len - len,
651 "fw_cold_reset_counter\t\t%d\n",
652 ar->stats.fw_cold_reset_counter);
654 spin_unlock_bh(&ar->data_lock);
656 ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
663 static const struct file_operations fops_fw_reset_stats = {
665 .read = ath10k_debug_fw_reset_stats_read,
666 .owner = THIS_MODULE,
667 .llseek = default_llseek,
670 /* This is a clean assert crash in firmware. */
671 static int ath10k_debug_fw_assert(struct ath10k *ar)
673 struct wmi_vdev_install_key_cmd *cmd;
676 skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16);
680 cmd = (struct wmi_vdev_install_key_cmd *)skb->data;
681 memset(cmd, 0, sizeof(*cmd));
683 /* big enough number so that firmware asserts */
684 cmd->vdev_id = __cpu_to_le32(0x7ffe);
686 return ath10k_wmi_cmd_send(ar, skb,
687 ar->wmi.cmd->vdev_install_key_cmdid);
690 static ssize_t ath10k_read_simulate_fw_crash(struct file *file,
691 char __user *user_buf,
692 size_t count, loff_t *ppos)
695 "To simulate firmware crash write one of the keywords to this file:\n"
696 "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n"
697 "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n"
698 "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n"
699 "`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n";
701 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
704 /* Simulate firmware crash:
705 * 'soft': Call wmi command causing firmware hang. This firmware hang is
706 * recoverable by warm firmware reset.
707 * 'hard': Force firmware crash by setting any vdev parameter for not allowed
708 * vdev id. This is hard firmware crash because it is recoverable only by cold
711 static ssize_t ath10k_write_simulate_fw_crash(struct file *file,
712 const char __user *user_buf,
713 size_t count, loff_t *ppos)
715 struct ath10k *ar = file->private_data;
719 mutex_lock(&ar->conf_mutex);
721 simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
723 /* make sure that buf is null terminated */
724 buf[sizeof(buf) - 1] = 0;
726 if (ar->state != ATH10K_STATE_ON &&
727 ar->state != ATH10K_STATE_RESTARTED) {
732 /* drop the possible '\n' from the end */
733 if (buf[count - 1] == '\n') {
738 if (!strcmp(buf, "soft")) {
739 ath10k_info(ar, "simulating soft firmware crash\n");
740 ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0);
741 } else if (!strcmp(buf, "hard")) {
742 ath10k_info(ar, "simulating hard firmware crash\n");
743 /* 0x7fff is vdev id, and it is always out of range for all
744 * firmware variants in order to force a firmware crash.
746 ret = ath10k_wmi_vdev_set_param(ar, 0x7fff,
747 ar->wmi.vdev_param->rts_threshold,
749 } else if (!strcmp(buf, "assert")) {
750 ath10k_info(ar, "simulating firmware assert crash\n");
751 ret = ath10k_debug_fw_assert(ar);
752 } else if (!strcmp(buf, "hw-restart")) {
753 ath10k_info(ar, "user requested hw restart\n");
754 queue_work(ar->workqueue, &ar->restart_work);
762 ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret);
769 mutex_unlock(&ar->conf_mutex);
773 static const struct file_operations fops_simulate_fw_crash = {
774 .read = ath10k_read_simulate_fw_crash,
775 .write = ath10k_write_simulate_fw_crash,
777 .owner = THIS_MODULE,
778 .llseek = default_llseek,
781 static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf,
782 size_t count, loff_t *ppos)
784 struct ath10k *ar = file->private_data;
788 len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id);
790 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
793 static const struct file_operations fops_chip_id = {
794 .read = ath10k_read_chip_id,
796 .owner = THIS_MODULE,
797 .llseek = default_llseek,
800 struct ath10k_fw_crash_data *
801 ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)
803 struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
805 lockdep_assert_held(&ar->data_lock);
807 crash_data->crashed_since_read = true;
808 uuid_le_gen(&crash_data->uuid);
809 getnstimeofday(&crash_data->timestamp);
813 EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data);
815 static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar)
817 struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
818 struct ath10k_dump_file_data *dump_data;
819 struct ath10k_tlv_dump_data *dump_tlv;
820 int hdr_len = sizeof(*dump_data);
821 unsigned int len, sofar = 0;
825 len += sizeof(*dump_tlv) + sizeof(crash_data->registers);
829 /* This is going to get big when we start dumping FW RAM and such,
830 * so go ahead and use vmalloc.
836 spin_lock_bh(&ar->data_lock);
838 if (!crash_data->crashed_since_read) {
839 spin_unlock_bh(&ar->data_lock);
844 dump_data = (struct ath10k_dump_file_data *)(buf);
845 strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP",
846 sizeof(dump_data->df_magic));
847 dump_data->len = cpu_to_le32(len);
849 dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION);
851 memcpy(dump_data->uuid, &crash_data->uuid, sizeof(dump_data->uuid));
852 dump_data->chip_id = cpu_to_le32(ar->chip_id);
853 dump_data->bus_type = cpu_to_le32(0);
854 dump_data->target_version = cpu_to_le32(ar->target_version);
855 dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major);
856 dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor);
857 dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release);
858 dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build);
859 dump_data->phy_capability = cpu_to_le32(ar->phy_capability);
860 dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power);
861 dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power);
862 dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info);
863 dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info);
864 dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains);
866 strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version,
867 sizeof(dump_data->fw_ver));
869 dump_data->kernel_ver_code = cpu_to_le32(LINUX_VERSION_CODE);
870 strlcpy(dump_data->kernel_ver, VERMAGIC_STRING,
871 sizeof(dump_data->kernel_ver));
873 dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec);
874 dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec);
876 /* Gather crash-dump */
877 dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar);
878 dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS);
879 dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers));
880 memcpy(dump_tlv->tlv_data, &crash_data->registers,
881 sizeof(crash_data->registers));
882 sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers);
884 ar->debug.fw_crash_data->crashed_since_read = false;
886 spin_unlock_bh(&ar->data_lock);
891 static int ath10k_fw_crash_dump_open(struct inode *inode, struct file *file)
893 struct ath10k *ar = inode->i_private;
894 struct ath10k_dump_file_data *dump;
896 dump = ath10k_build_dump_file(ar);
900 file->private_data = dump;
905 static ssize_t ath10k_fw_crash_dump_read(struct file *file,
906 char __user *user_buf,
907 size_t count, loff_t *ppos)
909 struct ath10k_dump_file_data *dump_file = file->private_data;
911 return simple_read_from_buffer(user_buf, count, ppos,
913 le32_to_cpu(dump_file->len));
916 static int ath10k_fw_crash_dump_release(struct inode *inode,
919 vfree(file->private_data);
924 static const struct file_operations fops_fw_crash_dump = {
925 .open = ath10k_fw_crash_dump_open,
926 .read = ath10k_fw_crash_dump_read,
927 .release = ath10k_fw_crash_dump_release,
928 .owner = THIS_MODULE,
929 .llseek = default_llseek,
932 static int ath10k_debug_htt_stats_req(struct ath10k *ar)
937 lockdep_assert_held(&ar->conf_mutex);
939 if (ar->debug.htt_stats_mask == 0)
940 /* htt stats are disabled */
943 if (ar->state != ATH10K_STATE_ON)
946 cookie = get_jiffies_64();
948 ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask,
951 ath10k_warn(ar, "failed to send htt stats request: %d\n", ret);
955 queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork,
956 msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL));
961 static void ath10k_debug_htt_stats_dwork(struct work_struct *work)
963 struct ath10k *ar = container_of(work, struct ath10k,
964 debug.htt_stats_dwork.work);
966 mutex_lock(&ar->conf_mutex);
968 ath10k_debug_htt_stats_req(ar);
970 mutex_unlock(&ar->conf_mutex);
973 static ssize_t ath10k_read_htt_stats_mask(struct file *file,
974 char __user *user_buf,
975 size_t count, loff_t *ppos)
977 struct ath10k *ar = file->private_data;
981 len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask);
983 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
986 static ssize_t ath10k_write_htt_stats_mask(struct file *file,
987 const char __user *user_buf,
988 size_t count, loff_t *ppos)
990 struct ath10k *ar = file->private_data;
994 ret = kstrtoul_from_user(user_buf, count, 0, &mask);
998 /* max 8 bit masks (for now) */
1002 mutex_lock(&ar->conf_mutex);
1004 ar->debug.htt_stats_mask = mask;
1006 ret = ath10k_debug_htt_stats_req(ar);
1013 mutex_unlock(&ar->conf_mutex);
1018 static const struct file_operations fops_htt_stats_mask = {
1019 .read = ath10k_read_htt_stats_mask,
1020 .write = ath10k_write_htt_stats_mask,
1021 .open = simple_open,
1022 .owner = THIS_MODULE,
1023 .llseek = default_llseek,
1026 static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file,
1027 char __user *user_buf,
1028 size_t count, loff_t *ppos)
1030 struct ath10k *ar = file->private_data;
1032 u8 amsdu = 3, ampdu = 64;
1035 mutex_lock(&ar->conf_mutex);
1037 if (ar->debug.htt_max_amsdu)
1038 amsdu = ar->debug.htt_max_amsdu;
1040 if (ar->debug.htt_max_ampdu)
1041 ampdu = ar->debug.htt_max_ampdu;
1043 mutex_unlock(&ar->conf_mutex);
1045 len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu);
1047 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1050 static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file,
1051 const char __user *user_buf,
1052 size_t count, loff_t *ppos)
1054 struct ath10k *ar = file->private_data;
1057 unsigned int amsdu, ampdu;
1059 simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
1061 /* make sure that buf is null terminated */
1062 buf[sizeof(buf) - 1] = 0;
1064 res = sscanf(buf, "%u %u", &amsdu, &du);
1069 mutex_lock(&ar->conf_mutex);
1071 res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu);
1076 ar->debug.htt_max_amsdu = amsdu;
1077 ar->debug.htt_max_ampdu = ampdu;
1080 mutex_unlock(&ar->conf_mutex);
1084 static const struct file_operations fops_htt_max_amsdu_ampdu = {
1085 .read = ath10k_read_htt_max_amsdu_ampdu,
1086 .write = ath10k_write_htt_max_amsdu_ampdu,
1087 .open = simple_open,
1088 .owner = THIS_MODULE,
1089 .llseek = default_llseek,
1092 static ssize_t ath10k_read_fw_dbglog(struct file *file,
1093 char __user *user_buf,
1094 size_t count, loff_t *ppos)
1096 struct ath10k *ar = file->private_data;
1100 len = scnprintf(buf, sizeof(buf), "0x%08x\n",
1101 ar->debug.fw_dbglog_mask);
1103 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1106 static ssize_t ath10k_write_fw_dbglog(struct file *file,
1107 const char __user *user_buf,
1108 size_t count, loff_t *ppos)
1110 struct ath10k *ar = file->private_data;
1114 ret = kstrtoul_from_user(user_buf, count, 0, &mask);
1118 mutex_lock(&ar->conf_mutex);
1120 ar->debug.fw_dbglog_mask = mask;
1122 if (ar->state == ATH10K_STATE_ON) {
1123 ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask);
1125 ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n",
1134 mutex_unlock(&ar->conf_mutex);
1139 /* TODO: Would be nice to always support ethtool stats, would need to
1140 * move the stats storage out of ath10k_debug, or always have ath10k_debug
1141 * struct available..
1144 /* This generally cooresponds to the debugfs fw_stats file */
1145 static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = {
1155 "d_tx_power", /* in .5 dbM I think */
1156 "d_rx_crc_err", /* fcs_bad */
1158 "d_tx_mpdus_queued",
1160 "d_tx_msdu_dropped",
1163 "d_tx_ppdu_hw_queued",
1165 "d_tx_fifo_underrun",
1168 "d_tx_excessive_retries",
1170 "d_tx_dropped_sw_retries",
1171 "d_tx_illegal_rate",
1172 "d_tx_continuous_xretries",
1174 "d_tx_mpdu_txop_limit",
1176 "d_rx_mid_ppdu_route_change",
1178 "d_rx_extra_frags_ring0",
1179 "d_rx_extra_frags_ring1",
1180 "d_rx_extra_frags_ring2",
1181 "d_rx_extra_frags_ring3",
1187 "d_rx_phy_err_drops",
1188 "d_rx_mpdu_errors", /* FCS, MIC, ENC */
1190 "d_fw_warm_reset_count",
1191 "d_fw_cold_reset_count",
1194 #define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats)
1196 void ath10k_debug_get_et_strings(struct ieee80211_hw *hw,
1197 struct ieee80211_vif *vif,
1200 if (sset == ETH_SS_STATS)
1201 memcpy(data, *ath10k_gstrings_stats,
1202 sizeof(ath10k_gstrings_stats));
1205 int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw,
1206 struct ieee80211_vif *vif, int sset)
1208 if (sset == ETH_SS_STATS)
1209 return ATH10K_SSTATS_LEN;
1214 void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,
1215 struct ieee80211_vif *vif,
1216 struct ethtool_stats *stats, u64 *data)
1218 struct ath10k *ar = hw->priv;
1219 static const struct ath10k_fw_stats_pdev zero_stats = {};
1220 const struct ath10k_fw_stats_pdev *pdev_stats;
1223 mutex_lock(&ar->conf_mutex);
1225 if (ar->state == ATH10K_STATE_ON) {
1226 ret = ath10k_debug_fw_stats_request(ar);
1228 /* just print a warning and try to use older results */
1230 "failed to get fw stats for ethtool: %d\n",
1235 pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs,
1236 struct ath10k_fw_stats_pdev,
1239 /* no results available so just return zeroes */
1240 pdev_stats = &zero_stats;
1243 spin_lock_bh(&ar->data_lock);
1245 data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */
1246 data[i++] = 0; /* tx bytes */
1247 data[i++] = pdev_stats->htt_mpdus;
1248 data[i++] = 0; /* rx bytes */
1249 data[i++] = pdev_stats->ch_noise_floor;
1250 data[i++] = pdev_stats->cycle_count;
1251 data[i++] = pdev_stats->phy_err_count;
1252 data[i++] = pdev_stats->rts_bad;
1253 data[i++] = pdev_stats->rts_good;
1254 data[i++] = pdev_stats->chan_tx_power;
1255 data[i++] = pdev_stats->fcs_bad;
1256 data[i++] = pdev_stats->no_beacons;
1257 data[i++] = pdev_stats->mpdu_enqued;
1258 data[i++] = pdev_stats->msdu_enqued;
1259 data[i++] = pdev_stats->wmm_drop;
1260 data[i++] = pdev_stats->local_enqued;
1261 data[i++] = pdev_stats->local_freed;
1262 data[i++] = pdev_stats->hw_queued;
1263 data[i++] = pdev_stats->hw_reaped;
1264 data[i++] = pdev_stats->underrun;
1265 data[i++] = pdev_stats->tx_abort;
1266 data[i++] = pdev_stats->mpdus_requed;
1267 data[i++] = pdev_stats->tx_ko;
1268 data[i++] = pdev_stats->data_rc;
1269 data[i++] = pdev_stats->sw_retry_failure;
1270 data[i++] = pdev_stats->illgl_rate_phy_err;
1271 data[i++] = pdev_stats->pdev_cont_xretry;
1272 data[i++] = pdev_stats->pdev_tx_timeout;
1273 data[i++] = pdev_stats->txop_ovf;
1274 data[i++] = pdev_stats->pdev_resets;
1275 data[i++] = pdev_stats->mid_ppdu_route_change;
1276 data[i++] = pdev_stats->status_rcvd;
1277 data[i++] = pdev_stats->r0_frags;
1278 data[i++] = pdev_stats->r1_frags;
1279 data[i++] = pdev_stats->r2_frags;
1280 data[i++] = pdev_stats->r3_frags;
1281 data[i++] = pdev_stats->htt_msdus;
1282 data[i++] = pdev_stats->htt_mpdus;
1283 data[i++] = pdev_stats->loc_msdus;
1284 data[i++] = pdev_stats->loc_mpdus;
1285 data[i++] = pdev_stats->phy_errs;
1286 data[i++] = pdev_stats->phy_err_drop;
1287 data[i++] = pdev_stats->mpdu_errs;
1288 data[i++] = ar->stats.fw_crash_counter;
1289 data[i++] = ar->stats.fw_warm_reset_counter;
1290 data[i++] = ar->stats.fw_cold_reset_counter;
1292 spin_unlock_bh(&ar->data_lock);
1294 mutex_unlock(&ar->conf_mutex);
1296 WARN_ON(i != ATH10K_SSTATS_LEN);
1299 static const struct file_operations fops_fw_dbglog = {
1300 .read = ath10k_read_fw_dbglog,
1301 .write = ath10k_write_fw_dbglog,
1302 .open = simple_open,
1303 .owner = THIS_MODULE,
1304 .llseek = default_llseek,
1307 static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file)
1309 struct ath10k *ar = inode->i_private;
1315 mutex_lock(&ar->conf_mutex);
1317 if (ar->state != ATH10K_STATE_ON &&
1318 ar->state != ATH10K_STATE_UTF) {
1323 buf = vmalloc(QCA988X_CAL_DATA_LEN);
1329 hi_addr = host_interest_item_address(HI_ITEM(hi_board_data));
1331 ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr));
1333 ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret);
1337 ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), buf,
1338 QCA988X_CAL_DATA_LEN);
1340 ath10k_warn(ar, "failed to read calibration data: %d\n", ret);
1344 file->private_data = buf;
1346 mutex_unlock(&ar->conf_mutex);
1354 mutex_unlock(&ar->conf_mutex);
1359 static ssize_t ath10k_debug_cal_data_read(struct file *file,
1360 char __user *user_buf,
1361 size_t count, loff_t *ppos)
1363 void *buf = file->private_data;
1365 return simple_read_from_buffer(user_buf, count, ppos,
1366 buf, QCA988X_CAL_DATA_LEN);
1369 static int ath10k_debug_cal_data_release(struct inode *inode,
1372 vfree(file->private_data);
1377 static const struct file_operations fops_cal_data = {
1378 .open = ath10k_debug_cal_data_open,
1379 .read = ath10k_debug_cal_data_read,
1380 .release = ath10k_debug_cal_data_release,
1381 .owner = THIS_MODULE,
1382 .llseek = default_llseek,
1385 int ath10k_debug_start(struct ath10k *ar)
1389 lockdep_assert_held(&ar->conf_mutex);
1391 ret = ath10k_debug_htt_stats_req(ar);
1393 /* continue normally anyway, this isn't serious */
1394 ath10k_warn(ar, "failed to start htt stats workqueue: %d\n",
1397 if (ar->debug.fw_dbglog_mask) {
1398 ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask);
1401 ath10k_warn(ar, "failed to enable dbglog during start: %d",
1405 if (ar->debug.pktlog_filter) {
1406 ret = ath10k_wmi_pdev_pktlog_enable(ar,
1407 ar->debug.pktlog_filter);
1411 "failed to enable pktlog filter %x: %d\n",
1412 ar->debug.pktlog_filter, ret);
1414 ret = ath10k_wmi_pdev_pktlog_disable(ar);
1417 ath10k_warn(ar, "failed to disable pktlog: %d\n", ret);
1423 void ath10k_debug_stop(struct ath10k *ar)
1425 lockdep_assert_held(&ar->conf_mutex);
1427 /* Must not use _sync to avoid deadlock, we do that in
1428 * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid
1429 * warning from del_timer(). */
1430 if (ar->debug.htt_stats_mask != 0)
1431 cancel_delayed_work(&ar->debug.htt_stats_dwork);
1433 ar->debug.htt_max_amsdu = 0;
1434 ar->debug.htt_max_ampdu = 0;
1436 ath10k_wmi_pdev_pktlog_disable(ar);
1439 static ssize_t ath10k_write_simulate_radar(struct file *file,
1440 const char __user *user_buf,
1441 size_t count, loff_t *ppos)
1443 struct ath10k *ar = file->private_data;
1445 ieee80211_radar_detected(ar->hw);
1450 static const struct file_operations fops_simulate_radar = {
1451 .write = ath10k_write_simulate_radar,
1452 .open = simple_open,
1453 .owner = THIS_MODULE,
1454 .llseek = default_llseek,
1457 #define ATH10K_DFS_STAT(s, p) (\
1458 len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
1459 ar->debug.dfs_stats.p))
1461 #define ATH10K_DFS_POOL_STAT(s, p) (\
1462 len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
1463 ar->debug.dfs_pool_stats.p))
1465 static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf,
1466 size_t count, loff_t *ppos)
1468 int retval = 0, len = 0;
1469 const int size = 8000;
1470 struct ath10k *ar = file->private_data;
1473 buf = kzalloc(size, GFP_KERNEL);
1477 if (!ar->dfs_detector) {
1478 len += scnprintf(buf + len, size - len, "DFS not enabled\n");
1482 ar->debug.dfs_pool_stats =
1483 ar->dfs_detector->get_stats(ar->dfs_detector);
1485 len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n");
1487 ATH10K_DFS_STAT("reported phy errors", phy_errors);
1488 ATH10K_DFS_STAT("pulse events reported", pulses_total);
1489 ATH10K_DFS_STAT("DFS pulses detected", pulses_detected);
1490 ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded);
1491 ATH10K_DFS_STAT("Radars detected", radar_detected);
1493 len += scnprintf(buf + len, size - len, "Global Pool statistics:\n");
1494 ATH10K_DFS_POOL_STAT("Pool references", pool_reference);
1495 ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated);
1496 ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error);
1497 ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used);
1498 ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated);
1499 ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error);
1500 ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used);
1506 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1512 static const struct file_operations fops_dfs_stats = {
1513 .read = ath10k_read_dfs_stats,
1514 .open = simple_open,
1515 .owner = THIS_MODULE,
1516 .llseek = default_llseek,
1519 static ssize_t ath10k_write_pktlog_filter(struct file *file,
1520 const char __user *ubuf,
1521 size_t count, loff_t *ppos)
1523 struct ath10k *ar = file->private_data;
1527 if (kstrtouint_from_user(ubuf, count, 0, &filter))
1530 mutex_lock(&ar->conf_mutex);
1532 if (ar->state != ATH10K_STATE_ON) {
1533 ar->debug.pktlog_filter = filter;
1538 if (filter && (filter != ar->debug.pktlog_filter)) {
1539 ret = ath10k_wmi_pdev_pktlog_enable(ar, filter);
1541 ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n",
1542 ar->debug.pktlog_filter, ret);
1546 ret = ath10k_wmi_pdev_pktlog_disable(ar);
1548 ath10k_warn(ar, "failed to disable pktlog: %d\n", ret);
1553 ar->debug.pktlog_filter = filter;
1557 mutex_unlock(&ar->conf_mutex);
1561 static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf,
1562 size_t count, loff_t *ppos)
1565 struct ath10k *ar = file->private_data;
1568 mutex_lock(&ar->conf_mutex);
1569 len = scnprintf(buf, sizeof(buf) - len, "%08x\n",
1570 ar->debug.pktlog_filter);
1571 mutex_unlock(&ar->conf_mutex);
1573 return simple_read_from_buffer(ubuf, count, ppos, buf, len);
1576 static const struct file_operations fops_pktlog_filter = {
1577 .read = ath10k_read_pktlog_filter,
1578 .write = ath10k_write_pktlog_filter,
1582 int ath10k_debug_create(struct ath10k *ar)
1584 ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data));
1585 if (!ar->debug.fw_crash_data)
1588 INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs);
1589 INIT_LIST_HEAD(&ar->debug.fw_stats.peers);
1594 void ath10k_debug_destroy(struct ath10k *ar)
1596 vfree(ar->debug.fw_crash_data);
1597 ar->debug.fw_crash_data = NULL;
1599 ath10k_debug_fw_stats_reset(ar);
1602 int ath10k_debug_register(struct ath10k *ar)
1604 ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
1605 ar->hw->wiphy->debugfsdir);
1606 if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) {
1607 if (IS_ERR(ar->debug.debugfs_phy))
1608 return PTR_ERR(ar->debug.debugfs_phy);
1613 INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
1614 ath10k_debug_htt_stats_dwork);
1616 init_completion(&ar->debug.fw_stats_complete);
1618 debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar,
1621 debugfs_create_file("fw_reset_stats", S_IRUSR, ar->debug.debugfs_phy,
1622 ar, &fops_fw_reset_stats);
1624 debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar,
1625 &fops_wmi_services);
1627 debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy,
1628 ar, &fops_simulate_fw_crash);
1630 debugfs_create_file("fw_crash_dump", S_IRUSR, ar->debug.debugfs_phy,
1631 ar, &fops_fw_crash_dump);
1633 debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy,
1636 debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy,
1637 ar, &fops_htt_stats_mask);
1639 debugfs_create_file("htt_max_amsdu_ampdu", S_IRUSR | S_IWUSR,
1640 ar->debug.debugfs_phy, ar,
1641 &fops_htt_max_amsdu_ampdu);
1643 debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy,
1644 ar, &fops_fw_dbglog);
1646 debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy,
1647 ar, &fops_cal_data);
1649 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
1650 debugfs_create_file("dfs_simulate_radar", S_IWUSR,
1651 ar->debug.debugfs_phy, ar,
1652 &fops_simulate_radar);
1654 debugfs_create_bool("dfs_block_radar_events", S_IWUSR,
1655 ar->debug.debugfs_phy,
1656 &ar->dfs_block_radar_events);
1658 debugfs_create_file("dfs_stats", S_IRUSR,
1659 ar->debug.debugfs_phy, ar,
1663 debugfs_create_file("pktlog_filter", S_IRUGO | S_IWUSR,
1664 ar->debug.debugfs_phy, ar, &fops_pktlog_filter);
1669 void ath10k_debug_unregister(struct ath10k *ar)
1671 cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
1674 #endif /* CONFIG_ATH10K_DEBUGFS */
1676 #ifdef CONFIG_ATH10K_DEBUG
1677 void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask,
1678 const char *fmt, ...)
1680 struct va_format vaf;
1683 va_start(args, fmt);
1688 if (ath10k_debug_mask & mask)
1689 dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf);
1691 trace_ath10k_log_dbg(ar, mask, &vaf);
1695 EXPORT_SYMBOL(ath10k_dbg);
1697 void ath10k_dbg_dump(struct ath10k *ar,
1698 enum ath10k_debug_mask mask,
1699 const char *msg, const char *prefix,
1700 const void *buf, size_t len)
1703 unsigned int linebuflen;
1706 if (ath10k_debug_mask & mask) {
1708 ath10k_dbg(ar, mask, "%s\n", msg);
1710 for (ptr = buf; (ptr - buf) < len; ptr += 16) {
1712 linebuflen += scnprintf(linebuf + linebuflen,
1713 sizeof(linebuf) - linebuflen,
1715 (prefix ? prefix : ""),
1716 (unsigned int)(ptr - buf));
1717 hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1,
1718 linebuf + linebuflen,
1719 sizeof(linebuf) - linebuflen, true);
1720 dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf);
1724 /* tracing code doesn't like null strings :/ */
1725 trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "",
1728 EXPORT_SYMBOL(ath10k_dbg_dump);
1730 #endif /* CONFIG_ATH10K_DEBUG */