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/vmalloc.h>
21 #include <linux/utsname.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%s%s%s) fw %s api %d htt %d.%d wmi %d cal %s max_sta %d\n",
131 (strlen(ar->spec_board_id) > 0 ? ", " : ""),
133 (strlen(ar->spec_board_id) > 0 && !ar->spec_board_loaded
135 ar->hw->wiphy->fw_version,
137 ar->htt.target_version_major,
138 ar->htt.target_version_minor,
140 ath10k_cal_mode_str(ar->cal_mode),
141 ar->max_num_stations);
142 ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n",
143 config_enabled(CONFIG_ATH10K_DEBUG),
144 config_enabled(CONFIG_ATH10K_DEBUGFS),
145 config_enabled(CONFIG_ATH10K_TRACING),
146 config_enabled(CONFIG_ATH10K_DFS_CERTIFIED),
147 config_enabled(CONFIG_NL80211_TESTMODE));
149 EXPORT_SYMBOL(ath10k_print_driver_info);
151 void ath10k_err(struct ath10k *ar, const char *fmt, ...)
153 struct va_format vaf = {
160 dev_err(ar->dev, "%pV", &vaf);
161 trace_ath10k_log_err(ar, &vaf);
164 EXPORT_SYMBOL(ath10k_err);
166 void ath10k_warn(struct ath10k *ar, const char *fmt, ...)
168 struct va_format vaf = {
175 dev_warn_ratelimited(ar->dev, "%pV", &vaf);
176 trace_ath10k_log_warn(ar, &vaf);
180 EXPORT_SYMBOL(ath10k_warn);
182 #ifdef CONFIG_ATH10K_DEBUGFS
184 static ssize_t ath10k_read_wmi_services(struct file *file,
185 char __user *user_buf,
186 size_t count, loff_t *ppos)
188 struct ath10k *ar = file->private_data;
190 unsigned int len = 0, buf_len = 4096;
196 buf = kzalloc(buf_len, GFP_KERNEL);
200 mutex_lock(&ar->conf_mutex);
205 spin_lock_bh(&ar->data_lock);
206 for (i = 0; i < WMI_SERVICE_MAX; i++) {
207 enabled = test_bit(i, ar->wmi.svc_map);
208 name = wmi_service_name(i);
212 len += scnprintf(buf + len, buf_len - len,
213 "%-40s %s (bit %d)\n",
214 "unknown", "enabled", i);
219 len += scnprintf(buf + len, buf_len - len,
221 name, enabled ? "enabled" : "-");
223 spin_unlock_bh(&ar->data_lock);
225 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
227 mutex_unlock(&ar->conf_mutex);
233 static const struct file_operations fops_wmi_services = {
234 .read = ath10k_read_wmi_services,
236 .owner = THIS_MODULE,
237 .llseek = default_llseek,
240 static void ath10k_debug_fw_stats_pdevs_free(struct list_head *head)
242 struct ath10k_fw_stats_pdev *i, *tmp;
244 list_for_each_entry_safe(i, tmp, head, list) {
250 static void ath10k_debug_fw_stats_vdevs_free(struct list_head *head)
252 struct ath10k_fw_stats_vdev *i, *tmp;
254 list_for_each_entry_safe(i, tmp, head, list) {
260 static void ath10k_debug_fw_stats_peers_free(struct list_head *head)
262 struct ath10k_fw_stats_peer *i, *tmp;
264 list_for_each_entry_safe(i, tmp, head, list) {
270 static void ath10k_debug_fw_stats_reset(struct ath10k *ar)
272 spin_lock_bh(&ar->data_lock);
273 ar->debug.fw_stats_done = false;
274 ath10k_debug_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs);
275 ath10k_debug_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
276 ath10k_debug_fw_stats_peers_free(&ar->debug.fw_stats.peers);
277 spin_unlock_bh(&ar->data_lock);
280 static size_t ath10k_debug_fw_stats_num_peers(struct list_head *head)
282 struct ath10k_fw_stats_peer *i;
285 list_for_each_entry(i, head, list)
291 static size_t ath10k_debug_fw_stats_num_vdevs(struct list_head *head)
293 struct ath10k_fw_stats_vdev *i;
296 list_for_each_entry(i, head, list)
302 void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
304 struct ath10k_fw_stats stats = {};
305 bool is_start, is_started, is_end;
310 INIT_LIST_HEAD(&stats.pdevs);
311 INIT_LIST_HEAD(&stats.vdevs);
312 INIT_LIST_HEAD(&stats.peers);
314 spin_lock_bh(&ar->data_lock);
315 ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats);
317 ath10k_warn(ar, "failed to pull fw stats: %d\n", ret);
321 /* Stat data may exceed htc-wmi buffer limit. In such case firmware
322 * splits the stats data and delivers it in a ping-pong fashion of
323 * request cmd-update event.
325 * However there is no explicit end-of-data. Instead start-of-data is
326 * used as an implicit one. This works as follows:
327 * a) discard stat update events until one with pdev stats is
328 * delivered - this skips session started at end of (b)
329 * b) consume stat update events until another one with pdev stats is
330 * delivered which is treated as end-of-data and is itself discarded
333 if (ar->debug.fw_stats_done) {
334 ath10k_warn(ar, "received unsolicited stats update event\n");
338 num_peers = ath10k_debug_fw_stats_num_peers(&ar->debug.fw_stats.peers);
339 num_vdevs = ath10k_debug_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs);
340 is_start = (list_empty(&ar->debug.fw_stats.pdevs) &&
341 !list_empty(&stats.pdevs));
342 is_end = (!list_empty(&ar->debug.fw_stats.pdevs) &&
343 !list_empty(&stats.pdevs));
346 list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs);
349 ar->debug.fw_stats_done = true;
351 is_started = !list_empty(&ar->debug.fw_stats.pdevs);
353 if (is_started && !is_end) {
354 if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) {
355 /* Although this is unlikely impose a sane limit to
356 * prevent firmware from DoS-ing the host.
358 ath10k_warn(ar, "dropping fw peer stats\n");
362 if (num_vdevs >= BITS_PER_LONG) {
363 ath10k_warn(ar, "dropping fw vdev stats\n");
367 list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers);
368 list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs);
371 complete(&ar->debug.fw_stats_complete);
374 /* In some cases lists have been spliced and cleared. Free up
375 * resources if that is not the case.
377 ath10k_debug_fw_stats_pdevs_free(&stats.pdevs);
378 ath10k_debug_fw_stats_vdevs_free(&stats.vdevs);
379 ath10k_debug_fw_stats_peers_free(&stats.peers);
382 spin_unlock_bh(&ar->data_lock);
385 static int ath10k_debug_fw_stats_request(struct ath10k *ar)
387 unsigned long timeout, time_left;
390 lockdep_assert_held(&ar->conf_mutex);
392 timeout = jiffies + msecs_to_jiffies(1 * HZ);
394 ath10k_debug_fw_stats_reset(ar);
397 if (time_after(jiffies, timeout))
400 reinit_completion(&ar->debug.fw_stats_complete);
402 ret = ath10k_wmi_request_stats(ar, ar->fw_stats_req_mask);
404 ath10k_warn(ar, "could not request stats (%d)\n", ret);
409 wait_for_completion_timeout(&ar->debug.fw_stats_complete,
414 spin_lock_bh(&ar->data_lock);
415 if (ar->debug.fw_stats_done) {
416 spin_unlock_bh(&ar->data_lock);
419 spin_unlock_bh(&ar->data_lock);
425 /* FIXME: How to calculate the buffer size sanely? */
426 #define ATH10K_FW_STATS_BUF_SIZE (1024*1024)
428 static void ath10k_fw_stats_fill(struct ath10k *ar,
429 struct ath10k_fw_stats *fw_stats,
432 unsigned int len = 0;
433 unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE;
434 const struct ath10k_fw_stats_pdev *pdev;
435 const struct ath10k_fw_stats_vdev *vdev;
436 const struct ath10k_fw_stats_peer *peer;
441 spin_lock_bh(&ar->data_lock);
443 pdev = list_first_entry_or_null(&fw_stats->pdevs,
444 struct ath10k_fw_stats_pdev, list);
446 ath10k_warn(ar, "failed to get pdev stats\n");
450 num_peers = ath10k_debug_fw_stats_num_peers(&fw_stats->peers);
451 num_vdevs = ath10k_debug_fw_stats_num_vdevs(&fw_stats->vdevs);
453 len += scnprintf(buf + len, buf_len - len, "\n");
454 len += scnprintf(buf + len, buf_len - len, "%30s\n",
455 "ath10k PDEV stats");
456 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
457 "=================");
459 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
460 "Channel noise floor", pdev->ch_noise_floor);
461 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
462 "Channel TX power", pdev->chan_tx_power);
463 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
464 "TX frame count", pdev->tx_frame_count);
465 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
466 "RX frame count", pdev->rx_frame_count);
467 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
468 "RX clear count", pdev->rx_clear_count);
469 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
470 "Cycle count", pdev->cycle_count);
471 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
472 "PHY error count", pdev->phy_err_count);
473 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
474 "RTS bad count", pdev->rts_bad);
475 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
476 "RTS good count", pdev->rts_good);
477 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
478 "FCS bad count", pdev->fcs_bad);
479 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
480 "No beacon count", pdev->no_beacons);
481 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
482 "MIB int count", pdev->mib_int_count);
484 len += scnprintf(buf + len, buf_len - len, "\n");
485 len += scnprintf(buf + len, buf_len - len, "%30s\n",
486 "ath10k PDEV TX stats");
487 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
488 "=================");
490 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
491 "HTT cookies queued", pdev->comp_queued);
492 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
493 "HTT cookies disp.", pdev->comp_delivered);
494 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
495 "MSDU queued", pdev->msdu_enqued);
496 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
497 "MPDU queued", pdev->mpdu_enqued);
498 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
499 "MSDUs dropped", pdev->wmm_drop);
500 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
501 "Local enqued", pdev->local_enqued);
502 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
503 "Local freed", pdev->local_freed);
504 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
505 "HW queued", pdev->hw_queued);
506 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
507 "PPDUs reaped", pdev->hw_reaped);
508 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
509 "Num underruns", pdev->underrun);
510 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
511 "PPDUs cleaned", pdev->tx_abort);
512 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
513 "MPDUs requed", pdev->mpdus_requed);
514 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
515 "Excessive retries", pdev->tx_ko);
516 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
517 "HW rate", pdev->data_rc);
518 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
519 "Sched self tiggers", pdev->self_triggers);
520 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
521 "Dropped due to SW retries",
522 pdev->sw_retry_failure);
523 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
524 "Illegal rate phy errors",
525 pdev->illgl_rate_phy_err);
526 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
527 "Pdev continous xretry", pdev->pdev_cont_xretry);
528 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
529 "TX timeout", pdev->pdev_tx_timeout);
530 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
531 "PDEV resets", pdev->pdev_resets);
532 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
533 "PHY underrun", pdev->phy_underrun);
534 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
535 "MPDU is more than txop limit", pdev->txop_ovf);
537 len += scnprintf(buf + len, buf_len - len, "\n");
538 len += scnprintf(buf + len, buf_len - len, "%30s\n",
539 "ath10k PDEV RX stats");
540 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
541 "=================");
543 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
544 "Mid PPDU route change",
545 pdev->mid_ppdu_route_change);
546 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
547 "Tot. number of statuses", pdev->status_rcvd);
548 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
549 "Extra frags on rings 0", pdev->r0_frags);
550 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
551 "Extra frags on rings 1", pdev->r1_frags);
552 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
553 "Extra frags on rings 2", pdev->r2_frags);
554 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
555 "Extra frags on rings 3", pdev->r3_frags);
556 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
557 "MSDUs delivered to HTT", pdev->htt_msdus);
558 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
559 "MPDUs delivered to HTT", pdev->htt_mpdus);
560 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
561 "MSDUs delivered to stack", pdev->loc_msdus);
562 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
563 "MPDUs delivered to stack", pdev->loc_mpdus);
564 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
565 "Oversized AMSUs", pdev->oversize_amsdu);
566 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
567 "PHY errors", pdev->phy_errs);
568 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
569 "PHY errors drops", pdev->phy_err_drop);
570 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
571 "MPDU errors (FCS, MIC, ENC)", pdev->mpdu_errs);
573 len += scnprintf(buf + len, buf_len - len, "\n");
574 len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
575 "ath10k VDEV stats", num_vdevs);
576 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
577 "=================");
579 list_for_each_entry(vdev, &fw_stats->vdevs, list) {
580 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
581 "vdev id", vdev->vdev_id);
582 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
583 "beacon snr", vdev->beacon_snr);
584 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
585 "data snr", vdev->data_snr);
586 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
587 "num rx frames", vdev->num_rx_frames);
588 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
589 "num rts fail", vdev->num_rts_fail);
590 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
591 "num rts success", vdev->num_rts_success);
592 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
593 "num rx err", vdev->num_rx_err);
594 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
595 "num rx discard", vdev->num_rx_discard);
596 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
597 "num tx not acked", vdev->num_tx_not_acked);
599 for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames); i++)
600 len += scnprintf(buf + len, buf_len - len,
603 vdev->num_tx_frames[i]);
605 for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_retries); i++)
606 len += scnprintf(buf + len, buf_len - len,
608 "num tx frames retries", i,
609 vdev->num_tx_frames_retries[i]);
611 for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_failures); i++)
612 len += scnprintf(buf + len, buf_len - len,
614 "num tx frames failures", i,
615 vdev->num_tx_frames_failures[i]);
617 for (i = 0 ; i < ARRAY_SIZE(vdev->tx_rate_history); i++)
618 len += scnprintf(buf + len, buf_len - len,
619 "%25s [%02d] 0x%08x\n",
620 "tx rate history", i,
621 vdev->tx_rate_history[i]);
623 for (i = 0 ; i < ARRAY_SIZE(vdev->beacon_rssi_history); i++)
624 len += scnprintf(buf + len, buf_len - len,
626 "beacon rssi history", i,
627 vdev->beacon_rssi_history[i]);
629 len += scnprintf(buf + len, buf_len - len, "\n");
632 len += scnprintf(buf + len, buf_len - len, "\n");
633 len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
634 "ath10k PEER stats", num_peers);
635 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
636 "=================");
638 list_for_each_entry(peer, &fw_stats->peers, list) {
639 len += scnprintf(buf + len, buf_len - len, "%30s %pM\n",
640 "Peer MAC address", peer->peer_macaddr);
641 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
642 "Peer RSSI", peer->peer_rssi);
643 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
644 "Peer TX rate", peer->peer_tx_rate);
645 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
646 "Peer RX rate", peer->peer_rx_rate);
647 len += scnprintf(buf + len, buf_len - len, "\n");
651 spin_unlock_bh(&ar->data_lock);
659 static int ath10k_fw_stats_open(struct inode *inode, struct file *file)
661 struct ath10k *ar = inode->i_private;
665 mutex_lock(&ar->conf_mutex);
667 if (ar->state != ATH10K_STATE_ON) {
672 buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE);
678 ret = ath10k_debug_fw_stats_request(ar);
680 ath10k_warn(ar, "failed to request fw stats: %d\n", ret);
684 ath10k_fw_stats_fill(ar, &ar->debug.fw_stats, buf);
685 file->private_data = buf;
687 mutex_unlock(&ar->conf_mutex);
694 mutex_unlock(&ar->conf_mutex);
698 static int ath10k_fw_stats_release(struct inode *inode, struct file *file)
700 vfree(file->private_data);
705 static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf,
706 size_t count, loff_t *ppos)
708 const char *buf = file->private_data;
709 unsigned int len = strlen(buf);
711 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
714 static const struct file_operations fops_fw_stats = {
715 .open = ath10k_fw_stats_open,
716 .release = ath10k_fw_stats_release,
717 .read = ath10k_fw_stats_read,
718 .owner = THIS_MODULE,
719 .llseek = default_llseek,
722 static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file,
723 char __user *user_buf,
724 size_t count, loff_t *ppos)
726 struct ath10k *ar = file->private_data;
727 int ret, len, buf_len;
731 buf = kmalloc(buf_len, GFP_KERNEL);
735 spin_lock_bh(&ar->data_lock);
738 len += scnprintf(buf + len, buf_len - len,
739 "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter);
740 len += scnprintf(buf + len, buf_len - len,
741 "fw_warm_reset_counter\t\t%d\n",
742 ar->stats.fw_warm_reset_counter);
743 len += scnprintf(buf + len, buf_len - len,
744 "fw_cold_reset_counter\t\t%d\n",
745 ar->stats.fw_cold_reset_counter);
747 spin_unlock_bh(&ar->data_lock);
749 ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
756 static const struct file_operations fops_fw_reset_stats = {
758 .read = ath10k_debug_fw_reset_stats_read,
759 .owner = THIS_MODULE,
760 .llseek = default_llseek,
763 /* This is a clean assert crash in firmware. */
764 static int ath10k_debug_fw_assert(struct ath10k *ar)
766 struct wmi_vdev_install_key_cmd *cmd;
769 skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16);
773 cmd = (struct wmi_vdev_install_key_cmd *)skb->data;
774 memset(cmd, 0, sizeof(*cmd));
776 /* big enough number so that firmware asserts */
777 cmd->vdev_id = __cpu_to_le32(0x7ffe);
779 return ath10k_wmi_cmd_send(ar, skb,
780 ar->wmi.cmd->vdev_install_key_cmdid);
783 static ssize_t ath10k_read_simulate_fw_crash(struct file *file,
784 char __user *user_buf,
785 size_t count, loff_t *ppos)
788 "To simulate firmware crash write one of the keywords to this file:\n"
789 "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n"
790 "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n"
791 "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n"
792 "`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n";
794 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
797 /* Simulate firmware crash:
798 * 'soft': Call wmi command causing firmware hang. This firmware hang is
799 * recoverable by warm firmware reset.
800 * 'hard': Force firmware crash by setting any vdev parameter for not allowed
801 * vdev id. This is hard firmware crash because it is recoverable only by cold
804 static ssize_t ath10k_write_simulate_fw_crash(struct file *file,
805 const char __user *user_buf,
806 size_t count, loff_t *ppos)
808 struct ath10k *ar = file->private_data;
812 mutex_lock(&ar->conf_mutex);
814 simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
816 /* make sure that buf is null terminated */
817 buf[sizeof(buf) - 1] = 0;
819 if (ar->state != ATH10K_STATE_ON &&
820 ar->state != ATH10K_STATE_RESTARTED) {
825 /* drop the possible '\n' from the end */
826 if (buf[count - 1] == '\n') {
831 if (!strcmp(buf, "soft")) {
832 ath10k_info(ar, "simulating soft firmware crash\n");
833 ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0);
834 } else if (!strcmp(buf, "hard")) {
835 ath10k_info(ar, "simulating hard firmware crash\n");
836 /* 0x7fff is vdev id, and it is always out of range for all
837 * firmware variants in order to force a firmware crash.
839 ret = ath10k_wmi_vdev_set_param(ar, 0x7fff,
840 ar->wmi.vdev_param->rts_threshold,
842 } else if (!strcmp(buf, "assert")) {
843 ath10k_info(ar, "simulating firmware assert crash\n");
844 ret = ath10k_debug_fw_assert(ar);
845 } else if (!strcmp(buf, "hw-restart")) {
846 ath10k_info(ar, "user requested hw restart\n");
847 queue_work(ar->workqueue, &ar->restart_work);
855 ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret);
862 mutex_unlock(&ar->conf_mutex);
866 static const struct file_operations fops_simulate_fw_crash = {
867 .read = ath10k_read_simulate_fw_crash,
868 .write = ath10k_write_simulate_fw_crash,
870 .owner = THIS_MODULE,
871 .llseek = default_llseek,
874 static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf,
875 size_t count, loff_t *ppos)
877 struct ath10k *ar = file->private_data;
881 len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id);
883 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
886 static const struct file_operations fops_chip_id = {
887 .read = ath10k_read_chip_id,
889 .owner = THIS_MODULE,
890 .llseek = default_llseek,
893 struct ath10k_fw_crash_data *
894 ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)
896 struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
898 lockdep_assert_held(&ar->data_lock);
900 crash_data->crashed_since_read = true;
901 uuid_le_gen(&crash_data->uuid);
902 getnstimeofday(&crash_data->timestamp);
906 EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data);
908 static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar)
910 struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
911 struct ath10k_dump_file_data *dump_data;
912 struct ath10k_tlv_dump_data *dump_tlv;
913 int hdr_len = sizeof(*dump_data);
914 unsigned int len, sofar = 0;
918 len += sizeof(*dump_tlv) + sizeof(crash_data->registers);
922 /* This is going to get big when we start dumping FW RAM and such,
923 * so go ahead and use vmalloc.
929 spin_lock_bh(&ar->data_lock);
931 if (!crash_data->crashed_since_read) {
932 spin_unlock_bh(&ar->data_lock);
937 dump_data = (struct ath10k_dump_file_data *)(buf);
938 strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP",
939 sizeof(dump_data->df_magic));
940 dump_data->len = cpu_to_le32(len);
942 dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION);
944 memcpy(dump_data->uuid, &crash_data->uuid, sizeof(dump_data->uuid));
945 dump_data->chip_id = cpu_to_le32(ar->chip_id);
946 dump_data->bus_type = cpu_to_le32(0);
947 dump_data->target_version = cpu_to_le32(ar->target_version);
948 dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major);
949 dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor);
950 dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release);
951 dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build);
952 dump_data->phy_capability = cpu_to_le32(ar->phy_capability);
953 dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power);
954 dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power);
955 dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info);
956 dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info);
957 dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains);
959 strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version,
960 sizeof(dump_data->fw_ver));
962 dump_data->kernel_ver_code = 0;
963 strlcpy(dump_data->kernel_ver, init_utsname()->release,
964 sizeof(dump_data->kernel_ver));
966 dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec);
967 dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec);
969 /* Gather crash-dump */
970 dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar);
971 dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS);
972 dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers));
973 memcpy(dump_tlv->tlv_data, &crash_data->registers,
974 sizeof(crash_data->registers));
975 sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers);
977 ar->debug.fw_crash_data->crashed_since_read = false;
979 spin_unlock_bh(&ar->data_lock);
984 static int ath10k_fw_crash_dump_open(struct inode *inode, struct file *file)
986 struct ath10k *ar = inode->i_private;
987 struct ath10k_dump_file_data *dump;
989 dump = ath10k_build_dump_file(ar);
993 file->private_data = dump;
998 static ssize_t ath10k_fw_crash_dump_read(struct file *file,
999 char __user *user_buf,
1000 size_t count, loff_t *ppos)
1002 struct ath10k_dump_file_data *dump_file = file->private_data;
1004 return simple_read_from_buffer(user_buf, count, ppos,
1006 le32_to_cpu(dump_file->len));
1009 static int ath10k_fw_crash_dump_release(struct inode *inode,
1012 vfree(file->private_data);
1017 static const struct file_operations fops_fw_crash_dump = {
1018 .open = ath10k_fw_crash_dump_open,
1019 .read = ath10k_fw_crash_dump_read,
1020 .release = ath10k_fw_crash_dump_release,
1021 .owner = THIS_MODULE,
1022 .llseek = default_llseek,
1025 static ssize_t ath10k_reg_addr_read(struct file *file,
1026 char __user *user_buf,
1027 size_t count, loff_t *ppos)
1029 struct ath10k *ar = file->private_data;
1031 unsigned int len = 0;
1034 mutex_lock(&ar->conf_mutex);
1035 reg_addr = ar->debug.reg_addr;
1036 mutex_unlock(&ar->conf_mutex);
1038 len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr);
1040 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1043 static ssize_t ath10k_reg_addr_write(struct file *file,
1044 const char __user *user_buf,
1045 size_t count, loff_t *ppos)
1047 struct ath10k *ar = file->private_data;
1051 ret = kstrtou32_from_user(user_buf, count, 0, ®_addr);
1055 if (!IS_ALIGNED(reg_addr, 4))
1058 mutex_lock(&ar->conf_mutex);
1059 ar->debug.reg_addr = reg_addr;
1060 mutex_unlock(&ar->conf_mutex);
1065 static const struct file_operations fops_reg_addr = {
1066 .read = ath10k_reg_addr_read,
1067 .write = ath10k_reg_addr_write,
1068 .open = simple_open,
1069 .owner = THIS_MODULE,
1070 .llseek = default_llseek,
1073 static ssize_t ath10k_reg_value_read(struct file *file,
1074 char __user *user_buf,
1075 size_t count, loff_t *ppos)
1077 struct ath10k *ar = file->private_data;
1080 u32 reg_addr, reg_val;
1083 mutex_lock(&ar->conf_mutex);
1085 if (ar->state != ATH10K_STATE_ON &&
1086 ar->state != ATH10K_STATE_UTF) {
1091 reg_addr = ar->debug.reg_addr;
1093 reg_val = ath10k_hif_read32(ar, reg_addr);
1094 len = scnprintf(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val);
1096 ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1099 mutex_unlock(&ar->conf_mutex);
1104 static ssize_t ath10k_reg_value_write(struct file *file,
1105 const char __user *user_buf,
1106 size_t count, loff_t *ppos)
1108 struct ath10k *ar = file->private_data;
1109 u32 reg_addr, reg_val;
1112 mutex_lock(&ar->conf_mutex);
1114 if (ar->state != ATH10K_STATE_ON &&
1115 ar->state != ATH10K_STATE_UTF) {
1120 reg_addr = ar->debug.reg_addr;
1122 ret = kstrtou32_from_user(user_buf, count, 0, ®_val);
1126 ath10k_hif_write32(ar, reg_addr, reg_val);
1131 mutex_unlock(&ar->conf_mutex);
1136 static const struct file_operations fops_reg_value = {
1137 .read = ath10k_reg_value_read,
1138 .write = ath10k_reg_value_write,
1139 .open = simple_open,
1140 .owner = THIS_MODULE,
1141 .llseek = default_llseek,
1144 static ssize_t ath10k_mem_value_read(struct file *file,
1145 char __user *user_buf,
1146 size_t count, loff_t *ppos)
1148 struct ath10k *ar = file->private_data;
1158 mutex_lock(&ar->conf_mutex);
1160 buf = vmalloc(count);
1166 if (ar->state != ATH10K_STATE_ON &&
1167 ar->state != ATH10K_STATE_UTF) {
1172 ret = ath10k_hif_diag_read(ar, *ppos, buf, count);
1174 ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n",
1179 ret = copy_to_user(user_buf, buf, count);
1191 mutex_unlock(&ar->conf_mutex);
1196 static ssize_t ath10k_mem_value_write(struct file *file,
1197 const char __user *user_buf,
1198 size_t count, loff_t *ppos)
1200 struct ath10k *ar = file->private_data;
1210 mutex_lock(&ar->conf_mutex);
1212 buf = vmalloc(count);
1218 if (ar->state != ATH10K_STATE_ON &&
1219 ar->state != ATH10K_STATE_UTF) {
1224 ret = copy_from_user(buf, user_buf, count);
1230 ret = ath10k_hif_diag_write(ar, *ppos, buf, count);
1232 ath10k_warn(ar, "failed to write address 0x%08x via diagnose window from debugfs: %d\n",
1242 mutex_unlock(&ar->conf_mutex);
1247 static const struct file_operations fops_mem_value = {
1248 .read = ath10k_mem_value_read,
1249 .write = ath10k_mem_value_write,
1250 .open = simple_open,
1251 .owner = THIS_MODULE,
1252 .llseek = default_llseek,
1255 static int ath10k_debug_htt_stats_req(struct ath10k *ar)
1260 lockdep_assert_held(&ar->conf_mutex);
1262 if (ar->debug.htt_stats_mask == 0)
1263 /* htt stats are disabled */
1266 if (ar->state != ATH10K_STATE_ON)
1269 cookie = get_jiffies_64();
1271 ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask,
1274 ath10k_warn(ar, "failed to send htt stats request: %d\n", ret);
1278 queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork,
1279 msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL));
1284 static void ath10k_debug_htt_stats_dwork(struct work_struct *work)
1286 struct ath10k *ar = container_of(work, struct ath10k,
1287 debug.htt_stats_dwork.work);
1289 mutex_lock(&ar->conf_mutex);
1291 ath10k_debug_htt_stats_req(ar);
1293 mutex_unlock(&ar->conf_mutex);
1296 static ssize_t ath10k_read_htt_stats_mask(struct file *file,
1297 char __user *user_buf,
1298 size_t count, loff_t *ppos)
1300 struct ath10k *ar = file->private_data;
1304 len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask);
1306 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1309 static ssize_t ath10k_write_htt_stats_mask(struct file *file,
1310 const char __user *user_buf,
1311 size_t count, loff_t *ppos)
1313 struct ath10k *ar = file->private_data;
1317 ret = kstrtoul_from_user(user_buf, count, 0, &mask);
1321 /* max 8 bit masks (for now) */
1325 mutex_lock(&ar->conf_mutex);
1327 ar->debug.htt_stats_mask = mask;
1329 ret = ath10k_debug_htt_stats_req(ar);
1336 mutex_unlock(&ar->conf_mutex);
1341 static const struct file_operations fops_htt_stats_mask = {
1342 .read = ath10k_read_htt_stats_mask,
1343 .write = ath10k_write_htt_stats_mask,
1344 .open = simple_open,
1345 .owner = THIS_MODULE,
1346 .llseek = default_llseek,
1349 static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file,
1350 char __user *user_buf,
1351 size_t count, loff_t *ppos)
1353 struct ath10k *ar = file->private_data;
1355 u8 amsdu = 3, ampdu = 64;
1358 mutex_lock(&ar->conf_mutex);
1360 if (ar->debug.htt_max_amsdu)
1361 amsdu = ar->debug.htt_max_amsdu;
1363 if (ar->debug.htt_max_ampdu)
1364 ampdu = ar->debug.htt_max_ampdu;
1366 mutex_unlock(&ar->conf_mutex);
1368 len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu);
1370 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1373 static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file,
1374 const char __user *user_buf,
1375 size_t count, loff_t *ppos)
1377 struct ath10k *ar = file->private_data;
1380 unsigned int amsdu, ampdu;
1382 simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
1384 /* make sure that buf is null terminated */
1385 buf[sizeof(buf) - 1] = 0;
1387 res = sscanf(buf, "%u %u", &amsdu, &du);
1392 mutex_lock(&ar->conf_mutex);
1394 res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu);
1399 ar->debug.htt_max_amsdu = amsdu;
1400 ar->debug.htt_max_ampdu = ampdu;
1403 mutex_unlock(&ar->conf_mutex);
1407 static const struct file_operations fops_htt_max_amsdu_ampdu = {
1408 .read = ath10k_read_htt_max_amsdu_ampdu,
1409 .write = ath10k_write_htt_max_amsdu_ampdu,
1410 .open = simple_open,
1411 .owner = THIS_MODULE,
1412 .llseek = default_llseek,
1415 static ssize_t ath10k_read_fw_dbglog(struct file *file,
1416 char __user *user_buf,
1417 size_t count, loff_t *ppos)
1419 struct ath10k *ar = file->private_data;
1423 len = scnprintf(buf, sizeof(buf), "0x%08x %u\n",
1424 ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level);
1426 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1429 static ssize_t ath10k_write_fw_dbglog(struct file *file,
1430 const char __user *user_buf,
1431 size_t count, loff_t *ppos)
1433 struct ath10k *ar = file->private_data;
1436 unsigned int log_level, mask;
1438 simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
1440 /* make sure that buf is null terminated */
1441 buf[sizeof(buf) - 1] = 0;
1443 ret = sscanf(buf, "%x %u", &mask, &log_level);
1449 /* default if user did not specify */
1450 log_level = ATH10K_DBGLOG_LEVEL_WARN;
1452 mutex_lock(&ar->conf_mutex);
1454 ar->debug.fw_dbglog_mask = mask;
1455 ar->debug.fw_dbglog_level = log_level;
1457 if (ar->state == ATH10K_STATE_ON) {
1458 ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
1459 ar->debug.fw_dbglog_level);
1461 ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n",
1470 mutex_unlock(&ar->conf_mutex);
1475 /* TODO: Would be nice to always support ethtool stats, would need to
1476 * move the stats storage out of ath10k_debug, or always have ath10k_debug
1477 * struct available..
1480 /* This generally cooresponds to the debugfs fw_stats file */
1481 static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = {
1491 "d_tx_power", /* in .5 dbM I think */
1492 "d_rx_crc_err", /* fcs_bad */
1494 "d_tx_mpdus_queued",
1496 "d_tx_msdu_dropped",
1499 "d_tx_ppdu_hw_queued",
1501 "d_tx_fifo_underrun",
1504 "d_tx_excessive_retries",
1506 "d_tx_dropped_sw_retries",
1507 "d_tx_illegal_rate",
1508 "d_tx_continuous_xretries",
1510 "d_tx_mpdu_txop_limit",
1512 "d_rx_mid_ppdu_route_change",
1514 "d_rx_extra_frags_ring0",
1515 "d_rx_extra_frags_ring1",
1516 "d_rx_extra_frags_ring2",
1517 "d_rx_extra_frags_ring3",
1523 "d_rx_phy_err_drops",
1524 "d_rx_mpdu_errors", /* FCS, MIC, ENC */
1526 "d_fw_warm_reset_count",
1527 "d_fw_cold_reset_count",
1530 #define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats)
1532 void ath10k_debug_get_et_strings(struct ieee80211_hw *hw,
1533 struct ieee80211_vif *vif,
1536 if (sset == ETH_SS_STATS)
1537 memcpy(data, *ath10k_gstrings_stats,
1538 sizeof(ath10k_gstrings_stats));
1541 int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw,
1542 struct ieee80211_vif *vif, int sset)
1544 if (sset == ETH_SS_STATS)
1545 return ATH10K_SSTATS_LEN;
1550 void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,
1551 struct ieee80211_vif *vif,
1552 struct ethtool_stats *stats, u64 *data)
1554 struct ath10k *ar = hw->priv;
1555 static const struct ath10k_fw_stats_pdev zero_stats = {};
1556 const struct ath10k_fw_stats_pdev *pdev_stats;
1559 mutex_lock(&ar->conf_mutex);
1561 if (ar->state == ATH10K_STATE_ON) {
1562 ret = ath10k_debug_fw_stats_request(ar);
1564 /* just print a warning and try to use older results */
1566 "failed to get fw stats for ethtool: %d\n",
1571 pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs,
1572 struct ath10k_fw_stats_pdev,
1575 /* no results available so just return zeroes */
1576 pdev_stats = &zero_stats;
1579 spin_lock_bh(&ar->data_lock);
1581 data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */
1582 data[i++] = 0; /* tx bytes */
1583 data[i++] = pdev_stats->htt_mpdus;
1584 data[i++] = 0; /* rx bytes */
1585 data[i++] = pdev_stats->ch_noise_floor;
1586 data[i++] = pdev_stats->cycle_count;
1587 data[i++] = pdev_stats->phy_err_count;
1588 data[i++] = pdev_stats->rts_bad;
1589 data[i++] = pdev_stats->rts_good;
1590 data[i++] = pdev_stats->chan_tx_power;
1591 data[i++] = pdev_stats->fcs_bad;
1592 data[i++] = pdev_stats->no_beacons;
1593 data[i++] = pdev_stats->mpdu_enqued;
1594 data[i++] = pdev_stats->msdu_enqued;
1595 data[i++] = pdev_stats->wmm_drop;
1596 data[i++] = pdev_stats->local_enqued;
1597 data[i++] = pdev_stats->local_freed;
1598 data[i++] = pdev_stats->hw_queued;
1599 data[i++] = pdev_stats->hw_reaped;
1600 data[i++] = pdev_stats->underrun;
1601 data[i++] = pdev_stats->tx_abort;
1602 data[i++] = pdev_stats->mpdus_requed;
1603 data[i++] = pdev_stats->tx_ko;
1604 data[i++] = pdev_stats->data_rc;
1605 data[i++] = pdev_stats->sw_retry_failure;
1606 data[i++] = pdev_stats->illgl_rate_phy_err;
1607 data[i++] = pdev_stats->pdev_cont_xretry;
1608 data[i++] = pdev_stats->pdev_tx_timeout;
1609 data[i++] = pdev_stats->txop_ovf;
1610 data[i++] = pdev_stats->pdev_resets;
1611 data[i++] = pdev_stats->mid_ppdu_route_change;
1612 data[i++] = pdev_stats->status_rcvd;
1613 data[i++] = pdev_stats->r0_frags;
1614 data[i++] = pdev_stats->r1_frags;
1615 data[i++] = pdev_stats->r2_frags;
1616 data[i++] = pdev_stats->r3_frags;
1617 data[i++] = pdev_stats->htt_msdus;
1618 data[i++] = pdev_stats->htt_mpdus;
1619 data[i++] = pdev_stats->loc_msdus;
1620 data[i++] = pdev_stats->loc_mpdus;
1621 data[i++] = pdev_stats->phy_errs;
1622 data[i++] = pdev_stats->phy_err_drop;
1623 data[i++] = pdev_stats->mpdu_errs;
1624 data[i++] = ar->stats.fw_crash_counter;
1625 data[i++] = ar->stats.fw_warm_reset_counter;
1626 data[i++] = ar->stats.fw_cold_reset_counter;
1628 spin_unlock_bh(&ar->data_lock);
1630 mutex_unlock(&ar->conf_mutex);
1632 WARN_ON(i != ATH10K_SSTATS_LEN);
1635 static const struct file_operations fops_fw_dbglog = {
1636 .read = ath10k_read_fw_dbglog,
1637 .write = ath10k_write_fw_dbglog,
1638 .open = simple_open,
1639 .owner = THIS_MODULE,
1640 .llseek = default_llseek,
1643 static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file)
1645 struct ath10k *ar = inode->i_private;
1651 mutex_lock(&ar->conf_mutex);
1653 if (ar->state != ATH10K_STATE_ON &&
1654 ar->state != ATH10K_STATE_UTF) {
1659 buf = vmalloc(QCA988X_CAL_DATA_LEN);
1665 hi_addr = host_interest_item_address(HI_ITEM(hi_board_data));
1667 ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr));
1669 ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret);
1673 ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), buf,
1674 QCA988X_CAL_DATA_LEN);
1676 ath10k_warn(ar, "failed to read calibration data: %d\n", ret);
1680 file->private_data = buf;
1682 mutex_unlock(&ar->conf_mutex);
1690 mutex_unlock(&ar->conf_mutex);
1695 static ssize_t ath10k_debug_cal_data_read(struct file *file,
1696 char __user *user_buf,
1697 size_t count, loff_t *ppos)
1699 void *buf = file->private_data;
1701 return simple_read_from_buffer(user_buf, count, ppos,
1702 buf, QCA988X_CAL_DATA_LEN);
1705 static int ath10k_debug_cal_data_release(struct inode *inode,
1708 vfree(file->private_data);
1713 static ssize_t ath10k_write_ani_enable(struct file *file,
1714 const char __user *user_buf,
1715 size_t count, loff_t *ppos)
1717 struct ath10k *ar = file->private_data;
1721 if (kstrtou8_from_user(user_buf, count, 0, &enable))
1724 mutex_lock(&ar->conf_mutex);
1726 if (ar->ani_enabled == enable) {
1731 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->ani_enable,
1734 ath10k_warn(ar, "ani_enable failed from debugfs: %d\n", ret);
1737 ar->ani_enabled = enable;
1742 mutex_unlock(&ar->conf_mutex);
1747 static ssize_t ath10k_read_ani_enable(struct file *file, char __user *user_buf,
1748 size_t count, loff_t *ppos)
1750 struct ath10k *ar = file->private_data;
1754 len = scnprintf(buf, sizeof(buf) - len, "%d\n",
1757 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1760 static const struct file_operations fops_ani_enable = {
1761 .read = ath10k_read_ani_enable,
1762 .write = ath10k_write_ani_enable,
1763 .open = simple_open,
1764 .owner = THIS_MODULE,
1765 .llseek = default_llseek,
1768 static const struct file_operations fops_cal_data = {
1769 .open = ath10k_debug_cal_data_open,
1770 .read = ath10k_debug_cal_data_read,
1771 .release = ath10k_debug_cal_data_release,
1772 .owner = THIS_MODULE,
1773 .llseek = default_llseek,
1776 static ssize_t ath10k_read_nf_cal_period(struct file *file,
1777 char __user *user_buf,
1778 size_t count, loff_t *ppos)
1780 struct ath10k *ar = file->private_data;
1784 len = scnprintf(buf, sizeof(buf), "%d\n",
1785 ar->debug.nf_cal_period);
1787 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1790 static ssize_t ath10k_write_nf_cal_period(struct file *file,
1791 const char __user *user_buf,
1792 size_t count, loff_t *ppos)
1794 struct ath10k *ar = file->private_data;
1795 unsigned long period;
1798 ret = kstrtoul_from_user(user_buf, count, 0, &period);
1802 if (period > WMI_PDEV_PARAM_CAL_PERIOD_MAX)
1805 /* there's no way to switch back to the firmware default */
1809 mutex_lock(&ar->conf_mutex);
1811 ar->debug.nf_cal_period = period;
1813 if (ar->state != ATH10K_STATE_ON) {
1814 /* firmware is not running, nothing else to do */
1819 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period,
1820 ar->debug.nf_cal_period);
1822 ath10k_warn(ar, "cal period cfg failed from debugfs: %d\n",
1830 mutex_unlock(&ar->conf_mutex);
1835 static const struct file_operations fops_nf_cal_period = {
1836 .read = ath10k_read_nf_cal_period,
1837 .write = ath10k_write_nf_cal_period,
1838 .open = simple_open,
1839 .owner = THIS_MODULE,
1840 .llseek = default_llseek,
1843 int ath10k_debug_start(struct ath10k *ar)
1847 lockdep_assert_held(&ar->conf_mutex);
1849 ret = ath10k_debug_htt_stats_req(ar);
1851 /* continue normally anyway, this isn't serious */
1852 ath10k_warn(ar, "failed to start htt stats workqueue: %d\n",
1855 if (ar->debug.fw_dbglog_mask) {
1856 ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
1857 ATH10K_DBGLOG_LEVEL_WARN);
1860 ath10k_warn(ar, "failed to enable dbglog during start: %d",
1864 if (ar->debug.pktlog_filter) {
1865 ret = ath10k_wmi_pdev_pktlog_enable(ar,
1866 ar->debug.pktlog_filter);
1870 "failed to enable pktlog filter %x: %d\n",
1871 ar->debug.pktlog_filter, ret);
1873 ret = ath10k_wmi_pdev_pktlog_disable(ar);
1876 ath10k_warn(ar, "failed to disable pktlog: %d\n", ret);
1879 if (ar->debug.nf_cal_period) {
1880 ret = ath10k_wmi_pdev_set_param(ar,
1881 ar->wmi.pdev_param->cal_period,
1882 ar->debug.nf_cal_period);
1885 ath10k_warn(ar, "cal period cfg failed from debug start: %d\n",
1892 void ath10k_debug_stop(struct ath10k *ar)
1894 lockdep_assert_held(&ar->conf_mutex);
1896 /* Must not use _sync to avoid deadlock, we do that in
1897 * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid
1898 * warning from del_timer(). */
1899 if (ar->debug.htt_stats_mask != 0)
1900 cancel_delayed_work(&ar->debug.htt_stats_dwork);
1902 ar->debug.htt_max_amsdu = 0;
1903 ar->debug.htt_max_ampdu = 0;
1905 ath10k_wmi_pdev_pktlog_disable(ar);
1908 static ssize_t ath10k_write_simulate_radar(struct file *file,
1909 const char __user *user_buf,
1910 size_t count, loff_t *ppos)
1912 struct ath10k *ar = file->private_data;
1914 ieee80211_radar_detected(ar->hw);
1919 static const struct file_operations fops_simulate_radar = {
1920 .write = ath10k_write_simulate_radar,
1921 .open = simple_open,
1922 .owner = THIS_MODULE,
1923 .llseek = default_llseek,
1926 #define ATH10K_DFS_STAT(s, p) (\
1927 len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
1928 ar->debug.dfs_stats.p))
1930 #define ATH10K_DFS_POOL_STAT(s, p) (\
1931 len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
1932 ar->debug.dfs_pool_stats.p))
1934 static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf,
1935 size_t count, loff_t *ppos)
1937 int retval = 0, len = 0;
1938 const int size = 8000;
1939 struct ath10k *ar = file->private_data;
1942 buf = kzalloc(size, GFP_KERNEL);
1946 if (!ar->dfs_detector) {
1947 len += scnprintf(buf + len, size - len, "DFS not enabled\n");
1951 ar->debug.dfs_pool_stats =
1952 ar->dfs_detector->get_stats(ar->dfs_detector);
1954 len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n");
1956 ATH10K_DFS_STAT("reported phy errors", phy_errors);
1957 ATH10K_DFS_STAT("pulse events reported", pulses_total);
1958 ATH10K_DFS_STAT("DFS pulses detected", pulses_detected);
1959 ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded);
1960 ATH10K_DFS_STAT("Radars detected", radar_detected);
1962 len += scnprintf(buf + len, size - len, "Global Pool statistics:\n");
1963 ATH10K_DFS_POOL_STAT("Pool references", pool_reference);
1964 ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated);
1965 ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error);
1966 ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used);
1967 ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated);
1968 ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error);
1969 ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used);
1975 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1981 static const struct file_operations fops_dfs_stats = {
1982 .read = ath10k_read_dfs_stats,
1983 .open = simple_open,
1984 .owner = THIS_MODULE,
1985 .llseek = default_llseek,
1988 static ssize_t ath10k_write_pktlog_filter(struct file *file,
1989 const char __user *ubuf,
1990 size_t count, loff_t *ppos)
1992 struct ath10k *ar = file->private_data;
1996 if (kstrtouint_from_user(ubuf, count, 0, &filter))
1999 mutex_lock(&ar->conf_mutex);
2001 if (ar->state != ATH10K_STATE_ON) {
2002 ar->debug.pktlog_filter = filter;
2007 if (filter && (filter != ar->debug.pktlog_filter)) {
2008 ret = ath10k_wmi_pdev_pktlog_enable(ar, filter);
2010 ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n",
2011 ar->debug.pktlog_filter, ret);
2015 ret = ath10k_wmi_pdev_pktlog_disable(ar);
2017 ath10k_warn(ar, "failed to disable pktlog: %d\n", ret);
2022 ar->debug.pktlog_filter = filter;
2026 mutex_unlock(&ar->conf_mutex);
2030 static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf,
2031 size_t count, loff_t *ppos)
2034 struct ath10k *ar = file->private_data;
2037 mutex_lock(&ar->conf_mutex);
2038 len = scnprintf(buf, sizeof(buf) - len, "%08x\n",
2039 ar->debug.pktlog_filter);
2040 mutex_unlock(&ar->conf_mutex);
2042 return simple_read_from_buffer(ubuf, count, ppos, buf, len);
2045 static const struct file_operations fops_pktlog_filter = {
2046 .read = ath10k_read_pktlog_filter,
2047 .write = ath10k_write_pktlog_filter,
2051 static ssize_t ath10k_write_quiet_period(struct file *file,
2052 const char __user *ubuf,
2053 size_t count, loff_t *ppos)
2055 struct ath10k *ar = file->private_data;
2058 if (kstrtouint_from_user(ubuf, count, 0, &period))
2061 if (period < ATH10K_QUIET_PERIOD_MIN) {
2062 ath10k_warn(ar, "Quiet period %u can not be lesser than 25ms\n",
2066 mutex_lock(&ar->conf_mutex);
2067 ar->thermal.quiet_period = period;
2068 ath10k_thermal_set_throttling(ar);
2069 mutex_unlock(&ar->conf_mutex);
2074 static ssize_t ath10k_read_quiet_period(struct file *file, char __user *ubuf,
2075 size_t count, loff_t *ppos)
2078 struct ath10k *ar = file->private_data;
2081 mutex_lock(&ar->conf_mutex);
2082 len = scnprintf(buf, sizeof(buf) - len, "%d\n",
2083 ar->thermal.quiet_period);
2084 mutex_unlock(&ar->conf_mutex);
2086 return simple_read_from_buffer(ubuf, count, ppos, buf, len);
2089 static const struct file_operations fops_quiet_period = {
2090 .read = ath10k_read_quiet_period,
2091 .write = ath10k_write_quiet_period,
2095 int ath10k_debug_create(struct ath10k *ar)
2097 ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data));
2098 if (!ar->debug.fw_crash_data)
2101 INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs);
2102 INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs);
2103 INIT_LIST_HEAD(&ar->debug.fw_stats.peers);
2108 void ath10k_debug_destroy(struct ath10k *ar)
2110 vfree(ar->debug.fw_crash_data);
2111 ar->debug.fw_crash_data = NULL;
2113 ath10k_debug_fw_stats_reset(ar);
2116 int ath10k_debug_register(struct ath10k *ar)
2118 ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
2119 ar->hw->wiphy->debugfsdir);
2120 if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) {
2121 if (IS_ERR(ar->debug.debugfs_phy))
2122 return PTR_ERR(ar->debug.debugfs_phy);
2127 INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
2128 ath10k_debug_htt_stats_dwork);
2130 init_completion(&ar->debug.fw_stats_complete);
2132 debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar,
2135 debugfs_create_file("fw_reset_stats", S_IRUSR, ar->debug.debugfs_phy,
2136 ar, &fops_fw_reset_stats);
2138 debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar,
2139 &fops_wmi_services);
2141 debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy,
2142 ar, &fops_simulate_fw_crash);
2144 debugfs_create_file("fw_crash_dump", S_IRUSR, ar->debug.debugfs_phy,
2145 ar, &fops_fw_crash_dump);
2147 debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR,
2148 ar->debug.debugfs_phy, ar, &fops_reg_addr);
2150 debugfs_create_file("reg_value", S_IRUSR | S_IWUSR,
2151 ar->debug.debugfs_phy, ar, &fops_reg_value);
2153 debugfs_create_file("mem_value", S_IRUSR | S_IWUSR,
2154 ar->debug.debugfs_phy, ar, &fops_mem_value);
2156 debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy,
2159 debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy,
2160 ar, &fops_htt_stats_mask);
2162 debugfs_create_file("htt_max_amsdu_ampdu", S_IRUSR | S_IWUSR,
2163 ar->debug.debugfs_phy, ar,
2164 &fops_htt_max_amsdu_ampdu);
2166 debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy,
2167 ar, &fops_fw_dbglog);
2169 debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy,
2170 ar, &fops_cal_data);
2172 debugfs_create_file("ani_enable", S_IRUSR | S_IWUSR,
2173 ar->debug.debugfs_phy, ar, &fops_ani_enable);
2175 debugfs_create_file("nf_cal_period", S_IRUSR | S_IWUSR,
2176 ar->debug.debugfs_phy, ar, &fops_nf_cal_period);
2178 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
2179 debugfs_create_file("dfs_simulate_radar", S_IWUSR,
2180 ar->debug.debugfs_phy, ar,
2181 &fops_simulate_radar);
2183 debugfs_create_bool("dfs_block_radar_events", S_IWUSR,
2184 ar->debug.debugfs_phy,
2185 &ar->dfs_block_radar_events);
2187 debugfs_create_file("dfs_stats", S_IRUSR,
2188 ar->debug.debugfs_phy, ar,
2192 debugfs_create_file("pktlog_filter", S_IRUGO | S_IWUSR,
2193 ar->debug.debugfs_phy, ar, &fops_pktlog_filter);
2195 debugfs_create_file("quiet_period", S_IRUGO | S_IWUSR,
2196 ar->debug.debugfs_phy, ar, &fops_quiet_period);
2201 void ath10k_debug_unregister(struct ath10k *ar)
2203 cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
2206 #endif /* CONFIG_ATH10K_DEBUGFS */
2208 #ifdef CONFIG_ATH10K_DEBUG
2209 void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask,
2210 const char *fmt, ...)
2212 struct va_format vaf;
2215 va_start(args, fmt);
2220 if (ath10k_debug_mask & mask)
2221 dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf);
2223 trace_ath10k_log_dbg(ar, mask, &vaf);
2227 EXPORT_SYMBOL(ath10k_dbg);
2229 void ath10k_dbg_dump(struct ath10k *ar,
2230 enum ath10k_debug_mask mask,
2231 const char *msg, const char *prefix,
2232 const void *buf, size_t len)
2235 unsigned int linebuflen;
2238 if (ath10k_debug_mask & mask) {
2240 ath10k_dbg(ar, mask, "%s\n", msg);
2242 for (ptr = buf; (ptr - buf) < len; ptr += 16) {
2244 linebuflen += scnprintf(linebuf + linebuflen,
2245 sizeof(linebuf) - linebuflen,
2247 (prefix ? prefix : ""),
2248 (unsigned int)(ptr - buf));
2249 hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1,
2250 linebuf + linebuflen,
2251 sizeof(linebuf) - linebuflen, true);
2252 dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf);
2256 /* tracing code doesn't like null strings :/ */
2257 trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "",
2260 EXPORT_SYMBOL(ath10k_dbg_dump);
2262 #endif /* CONFIG_ATH10K_DEBUG */