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 char fw_features[128] = {};
129 ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features));
131 ath10k_info(ar, "%s (0x%08x, 0x%08x%s%s%s) fw %s api %d htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d features %s\n",
135 (strlen(ar->spec_board_id) > 0 ? ", " : ""),
137 (strlen(ar->spec_board_id) > 0 && !ar->spec_board_loaded
139 ar->hw->wiphy->fw_version,
141 ar->htt.target_version_major,
142 ar->htt.target_version_minor,
145 ath10k_cal_mode_str(ar->cal_mode),
146 ar->max_num_stations,
147 test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags),
148 !test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags),
150 ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n",
151 config_enabled(CONFIG_ATH10K_DEBUG),
152 config_enabled(CONFIG_ATH10K_DEBUGFS),
153 config_enabled(CONFIG_ATH10K_TRACING),
154 config_enabled(CONFIG_ATH10K_DFS_CERTIFIED),
155 config_enabled(CONFIG_NL80211_TESTMODE));
157 EXPORT_SYMBOL(ath10k_print_driver_info);
159 void ath10k_err(struct ath10k *ar, const char *fmt, ...)
161 struct va_format vaf = {
168 dev_err(ar->dev, "%pV", &vaf);
169 trace_ath10k_log_err(ar, &vaf);
172 EXPORT_SYMBOL(ath10k_err);
174 void ath10k_warn(struct ath10k *ar, const char *fmt, ...)
176 struct va_format vaf = {
183 dev_warn_ratelimited(ar->dev, "%pV", &vaf);
184 trace_ath10k_log_warn(ar, &vaf);
188 EXPORT_SYMBOL(ath10k_warn);
190 #ifdef CONFIG_ATH10K_DEBUGFS
192 static ssize_t ath10k_read_wmi_services(struct file *file,
193 char __user *user_buf,
194 size_t count, loff_t *ppos)
196 struct ath10k *ar = file->private_data;
198 unsigned int len = 0, buf_len = 4096;
204 buf = kzalloc(buf_len, GFP_KERNEL);
208 mutex_lock(&ar->conf_mutex);
213 spin_lock_bh(&ar->data_lock);
214 for (i = 0; i < WMI_SERVICE_MAX; i++) {
215 enabled = test_bit(i, ar->wmi.svc_map);
216 name = wmi_service_name(i);
220 len += scnprintf(buf + len, buf_len - len,
221 "%-40s %s (bit %d)\n",
222 "unknown", "enabled", i);
227 len += scnprintf(buf + len, buf_len - len,
229 name, enabled ? "enabled" : "-");
231 spin_unlock_bh(&ar->data_lock);
233 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
235 mutex_unlock(&ar->conf_mutex);
241 static const struct file_operations fops_wmi_services = {
242 .read = ath10k_read_wmi_services,
244 .owner = THIS_MODULE,
245 .llseek = default_llseek,
248 static void ath10k_debug_fw_stats_pdevs_free(struct list_head *head)
250 struct ath10k_fw_stats_pdev *i, *tmp;
252 list_for_each_entry_safe(i, tmp, head, list) {
258 static void ath10k_debug_fw_stats_vdevs_free(struct list_head *head)
260 struct ath10k_fw_stats_vdev *i, *tmp;
262 list_for_each_entry_safe(i, tmp, head, list) {
268 static void ath10k_debug_fw_stats_peers_free(struct list_head *head)
270 struct ath10k_fw_stats_peer *i, *tmp;
272 list_for_each_entry_safe(i, tmp, head, list) {
278 static void ath10k_debug_fw_stats_reset(struct ath10k *ar)
280 spin_lock_bh(&ar->data_lock);
281 ar->debug.fw_stats_done = false;
282 ath10k_debug_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs);
283 ath10k_debug_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
284 ath10k_debug_fw_stats_peers_free(&ar->debug.fw_stats.peers);
285 spin_unlock_bh(&ar->data_lock);
288 static size_t ath10k_debug_fw_stats_num_peers(struct list_head *head)
290 struct ath10k_fw_stats_peer *i;
293 list_for_each_entry(i, head, list)
299 static size_t ath10k_debug_fw_stats_num_vdevs(struct list_head *head)
301 struct ath10k_fw_stats_vdev *i;
304 list_for_each_entry(i, head, list)
310 void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
312 struct ath10k_fw_stats stats = {};
313 bool is_start, is_started, is_end;
318 INIT_LIST_HEAD(&stats.pdevs);
319 INIT_LIST_HEAD(&stats.vdevs);
320 INIT_LIST_HEAD(&stats.peers);
322 spin_lock_bh(&ar->data_lock);
323 ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats);
325 ath10k_warn(ar, "failed to pull fw stats: %d\n", ret);
329 /* Stat data may exceed htc-wmi buffer limit. In such case firmware
330 * splits the stats data and delivers it in a ping-pong fashion of
331 * request cmd-update event.
333 * However there is no explicit end-of-data. Instead start-of-data is
334 * used as an implicit one. This works as follows:
335 * a) discard stat update events until one with pdev stats is
336 * delivered - this skips session started at end of (b)
337 * b) consume stat update events until another one with pdev stats is
338 * delivered which is treated as end-of-data and is itself discarded
341 if (ar->debug.fw_stats_done) {
342 ath10k_warn(ar, "received unsolicited stats update event\n");
346 num_peers = ath10k_debug_fw_stats_num_peers(&ar->debug.fw_stats.peers);
347 num_vdevs = ath10k_debug_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs);
348 is_start = (list_empty(&ar->debug.fw_stats.pdevs) &&
349 !list_empty(&stats.pdevs));
350 is_end = (!list_empty(&ar->debug.fw_stats.pdevs) &&
351 !list_empty(&stats.pdevs));
354 list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs);
357 ar->debug.fw_stats_done = true;
359 is_started = !list_empty(&ar->debug.fw_stats.pdevs);
361 if (is_started && !is_end) {
362 if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) {
363 /* Although this is unlikely impose a sane limit to
364 * prevent firmware from DoS-ing the host.
366 ath10k_warn(ar, "dropping fw peer stats\n");
370 if (num_vdevs >= BITS_PER_LONG) {
371 ath10k_warn(ar, "dropping fw vdev stats\n");
375 list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers);
376 list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs);
379 complete(&ar->debug.fw_stats_complete);
382 /* In some cases lists have been spliced and cleared. Free up
383 * resources if that is not the case.
385 ath10k_debug_fw_stats_pdevs_free(&stats.pdevs);
386 ath10k_debug_fw_stats_vdevs_free(&stats.vdevs);
387 ath10k_debug_fw_stats_peers_free(&stats.peers);
389 spin_unlock_bh(&ar->data_lock);
392 static int ath10k_debug_fw_stats_request(struct ath10k *ar)
394 unsigned long timeout, time_left;
397 lockdep_assert_held(&ar->conf_mutex);
399 timeout = jiffies + msecs_to_jiffies(1 * HZ);
401 ath10k_debug_fw_stats_reset(ar);
404 if (time_after(jiffies, timeout))
407 reinit_completion(&ar->debug.fw_stats_complete);
409 ret = ath10k_wmi_request_stats(ar, ar->fw_stats_req_mask);
411 ath10k_warn(ar, "could not request stats (%d)\n", ret);
416 wait_for_completion_timeout(&ar->debug.fw_stats_complete,
421 spin_lock_bh(&ar->data_lock);
422 if (ar->debug.fw_stats_done) {
423 spin_unlock_bh(&ar->data_lock);
426 spin_unlock_bh(&ar->data_lock);
432 /* FIXME: How to calculate the buffer size sanely? */
433 #define ATH10K_FW_STATS_BUF_SIZE (1024*1024)
435 static void ath10k_fw_stats_fill(struct ath10k *ar,
436 struct ath10k_fw_stats *fw_stats,
439 unsigned int len = 0;
440 unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE;
441 const struct ath10k_fw_stats_pdev *pdev;
442 const struct ath10k_fw_stats_vdev *vdev;
443 const struct ath10k_fw_stats_peer *peer;
448 spin_lock_bh(&ar->data_lock);
450 pdev = list_first_entry_or_null(&fw_stats->pdevs,
451 struct ath10k_fw_stats_pdev, list);
453 ath10k_warn(ar, "failed to get pdev stats\n");
457 num_peers = ath10k_debug_fw_stats_num_peers(&fw_stats->peers);
458 num_vdevs = ath10k_debug_fw_stats_num_vdevs(&fw_stats->vdevs);
460 len += scnprintf(buf + len, buf_len - len, "\n");
461 len += scnprintf(buf + len, buf_len - len, "%30s\n",
462 "ath10k PDEV stats");
463 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
464 "=================");
466 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
467 "Channel noise floor", pdev->ch_noise_floor);
468 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
469 "Channel TX power", pdev->chan_tx_power);
470 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
471 "TX frame count", pdev->tx_frame_count);
472 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
473 "RX frame count", pdev->rx_frame_count);
474 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
475 "RX clear count", pdev->rx_clear_count);
476 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
477 "Cycle count", pdev->cycle_count);
478 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
479 "PHY error count", pdev->phy_err_count);
480 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
481 "RTS bad count", pdev->rts_bad);
482 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
483 "RTS good count", pdev->rts_good);
484 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
485 "FCS bad count", pdev->fcs_bad);
486 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
487 "No beacon count", pdev->no_beacons);
488 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
489 "MIB int count", pdev->mib_int_count);
491 len += scnprintf(buf + len, buf_len - len, "\n");
492 len += scnprintf(buf + len, buf_len - len, "%30s\n",
493 "ath10k PDEV TX stats");
494 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
495 "=================");
497 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
498 "HTT cookies queued", pdev->comp_queued);
499 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
500 "HTT cookies disp.", pdev->comp_delivered);
501 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
502 "MSDU queued", pdev->msdu_enqued);
503 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
504 "MPDU queued", pdev->mpdu_enqued);
505 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
506 "MSDUs dropped", pdev->wmm_drop);
507 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
508 "Local enqued", pdev->local_enqued);
509 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
510 "Local freed", pdev->local_freed);
511 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
512 "HW queued", pdev->hw_queued);
513 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
514 "PPDUs reaped", pdev->hw_reaped);
515 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
516 "Num underruns", pdev->underrun);
517 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
518 "PPDUs cleaned", pdev->tx_abort);
519 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
520 "MPDUs requed", pdev->mpdus_requed);
521 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
522 "Excessive retries", pdev->tx_ko);
523 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
524 "HW rate", pdev->data_rc);
525 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
526 "Sched self tiggers", pdev->self_triggers);
527 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
528 "Dropped due to SW retries",
529 pdev->sw_retry_failure);
530 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
531 "Illegal rate phy errors",
532 pdev->illgl_rate_phy_err);
533 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
534 "Pdev continous xretry", pdev->pdev_cont_xretry);
535 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
536 "TX timeout", pdev->pdev_tx_timeout);
537 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
538 "PDEV resets", pdev->pdev_resets);
539 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
540 "PHY underrun", pdev->phy_underrun);
541 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
542 "MPDU is more than txop limit", pdev->txop_ovf);
544 len += scnprintf(buf + len, buf_len - len, "\n");
545 len += scnprintf(buf + len, buf_len - len, "%30s\n",
546 "ath10k PDEV RX stats");
547 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
548 "=================");
550 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
551 "Mid PPDU route change",
552 pdev->mid_ppdu_route_change);
553 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
554 "Tot. number of statuses", pdev->status_rcvd);
555 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
556 "Extra frags on rings 0", pdev->r0_frags);
557 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
558 "Extra frags on rings 1", pdev->r1_frags);
559 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
560 "Extra frags on rings 2", pdev->r2_frags);
561 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
562 "Extra frags on rings 3", pdev->r3_frags);
563 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
564 "MSDUs delivered to HTT", pdev->htt_msdus);
565 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
566 "MPDUs delivered to HTT", pdev->htt_mpdus);
567 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
568 "MSDUs delivered to stack", pdev->loc_msdus);
569 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
570 "MPDUs delivered to stack", pdev->loc_mpdus);
571 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
572 "Oversized AMSUs", pdev->oversize_amsdu);
573 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
574 "PHY errors", pdev->phy_errs);
575 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
576 "PHY errors drops", pdev->phy_err_drop);
577 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
578 "MPDU errors (FCS, MIC, ENC)", pdev->mpdu_errs);
580 len += scnprintf(buf + len, buf_len - len, "\n");
581 len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
582 "ath10k VDEV stats", num_vdevs);
583 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
584 "=================");
586 list_for_each_entry(vdev, &fw_stats->vdevs, list) {
587 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
588 "vdev id", vdev->vdev_id);
589 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
590 "beacon snr", vdev->beacon_snr);
591 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
592 "data snr", vdev->data_snr);
593 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
594 "num rx frames", vdev->num_rx_frames);
595 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
596 "num rts fail", vdev->num_rts_fail);
597 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
598 "num rts success", vdev->num_rts_success);
599 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
600 "num rx err", vdev->num_rx_err);
601 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
602 "num rx discard", vdev->num_rx_discard);
603 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
604 "num tx not acked", vdev->num_tx_not_acked);
606 for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames); i++)
607 len += scnprintf(buf + len, buf_len - len,
610 vdev->num_tx_frames[i]);
612 for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_retries); i++)
613 len += scnprintf(buf + len, buf_len - len,
615 "num tx frames retries", i,
616 vdev->num_tx_frames_retries[i]);
618 for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_failures); i++)
619 len += scnprintf(buf + len, buf_len - len,
621 "num tx frames failures", i,
622 vdev->num_tx_frames_failures[i]);
624 for (i = 0 ; i < ARRAY_SIZE(vdev->tx_rate_history); i++)
625 len += scnprintf(buf + len, buf_len - len,
626 "%25s [%02d] 0x%08x\n",
627 "tx rate history", i,
628 vdev->tx_rate_history[i]);
630 for (i = 0 ; i < ARRAY_SIZE(vdev->beacon_rssi_history); i++)
631 len += scnprintf(buf + len, buf_len - len,
633 "beacon rssi history", i,
634 vdev->beacon_rssi_history[i]);
636 len += scnprintf(buf + len, buf_len - len, "\n");
639 len += scnprintf(buf + len, buf_len - len, "\n");
640 len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
641 "ath10k PEER stats", num_peers);
642 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
643 "=================");
645 list_for_each_entry(peer, &fw_stats->peers, list) {
646 len += scnprintf(buf + len, buf_len - len, "%30s %pM\n",
647 "Peer MAC address", peer->peer_macaddr);
648 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
649 "Peer RSSI", peer->peer_rssi);
650 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
651 "Peer TX rate", peer->peer_tx_rate);
652 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
653 "Peer RX rate", peer->peer_rx_rate);
654 len += scnprintf(buf + len, buf_len - len, "\n");
658 spin_unlock_bh(&ar->data_lock);
666 static int ath10k_fw_stats_open(struct inode *inode, struct file *file)
668 struct ath10k *ar = inode->i_private;
672 mutex_lock(&ar->conf_mutex);
674 if (ar->state != ATH10K_STATE_ON) {
679 buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE);
685 ret = ath10k_debug_fw_stats_request(ar);
687 ath10k_warn(ar, "failed to request fw stats: %d\n", ret);
691 ath10k_fw_stats_fill(ar, &ar->debug.fw_stats, buf);
692 file->private_data = buf;
694 mutex_unlock(&ar->conf_mutex);
701 mutex_unlock(&ar->conf_mutex);
705 static int ath10k_fw_stats_release(struct inode *inode, struct file *file)
707 vfree(file->private_data);
712 static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf,
713 size_t count, loff_t *ppos)
715 const char *buf = file->private_data;
716 unsigned int len = strlen(buf);
718 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
721 static const struct file_operations fops_fw_stats = {
722 .open = ath10k_fw_stats_open,
723 .release = ath10k_fw_stats_release,
724 .read = ath10k_fw_stats_read,
725 .owner = THIS_MODULE,
726 .llseek = default_llseek,
729 static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file,
730 char __user *user_buf,
731 size_t count, loff_t *ppos)
733 struct ath10k *ar = file->private_data;
734 int ret, len, buf_len;
738 buf = kmalloc(buf_len, GFP_KERNEL);
742 spin_lock_bh(&ar->data_lock);
745 len += scnprintf(buf + len, buf_len - len,
746 "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter);
747 len += scnprintf(buf + len, buf_len - len,
748 "fw_warm_reset_counter\t\t%d\n",
749 ar->stats.fw_warm_reset_counter);
750 len += scnprintf(buf + len, buf_len - len,
751 "fw_cold_reset_counter\t\t%d\n",
752 ar->stats.fw_cold_reset_counter);
754 spin_unlock_bh(&ar->data_lock);
756 ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
763 static const struct file_operations fops_fw_reset_stats = {
765 .read = ath10k_debug_fw_reset_stats_read,
766 .owner = THIS_MODULE,
767 .llseek = default_llseek,
770 /* This is a clean assert crash in firmware. */
771 static int ath10k_debug_fw_assert(struct ath10k *ar)
773 struct wmi_vdev_install_key_cmd *cmd;
776 skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16);
780 cmd = (struct wmi_vdev_install_key_cmd *)skb->data;
781 memset(cmd, 0, sizeof(*cmd));
783 /* big enough number so that firmware asserts */
784 cmd->vdev_id = __cpu_to_le32(0x7ffe);
786 return ath10k_wmi_cmd_send(ar, skb,
787 ar->wmi.cmd->vdev_install_key_cmdid);
790 static ssize_t ath10k_read_simulate_fw_crash(struct file *file,
791 char __user *user_buf,
792 size_t count, loff_t *ppos)
795 "To simulate firmware crash write one of the keywords to this file:\n"
796 "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n"
797 "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n"
798 "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n"
799 "`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n";
801 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
804 /* Simulate firmware crash:
805 * 'soft': Call wmi command causing firmware hang. This firmware hang is
806 * recoverable by warm firmware reset.
807 * 'hard': Force firmware crash by setting any vdev parameter for not allowed
808 * vdev id. This is hard firmware crash because it is recoverable only by cold
811 static ssize_t ath10k_write_simulate_fw_crash(struct file *file,
812 const char __user *user_buf,
813 size_t count, loff_t *ppos)
815 struct ath10k *ar = file->private_data;
819 mutex_lock(&ar->conf_mutex);
821 simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
823 /* make sure that buf is null terminated */
824 buf[sizeof(buf) - 1] = 0;
826 if (ar->state != ATH10K_STATE_ON &&
827 ar->state != ATH10K_STATE_RESTARTED) {
832 /* drop the possible '\n' from the end */
833 if (buf[count - 1] == '\n') {
838 if (!strcmp(buf, "soft")) {
839 ath10k_info(ar, "simulating soft firmware crash\n");
840 ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0);
841 } else if (!strcmp(buf, "hard")) {
842 ath10k_info(ar, "simulating hard firmware crash\n");
843 /* 0x7fff is vdev id, and it is always out of range for all
844 * firmware variants in order to force a firmware crash.
846 ret = ath10k_wmi_vdev_set_param(ar, 0x7fff,
847 ar->wmi.vdev_param->rts_threshold,
849 } else if (!strcmp(buf, "assert")) {
850 ath10k_info(ar, "simulating firmware assert crash\n");
851 ret = ath10k_debug_fw_assert(ar);
852 } else if (!strcmp(buf, "hw-restart")) {
853 ath10k_info(ar, "user requested hw restart\n");
854 queue_work(ar->workqueue, &ar->restart_work);
862 ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret);
869 mutex_unlock(&ar->conf_mutex);
873 static const struct file_operations fops_simulate_fw_crash = {
874 .read = ath10k_read_simulate_fw_crash,
875 .write = ath10k_write_simulate_fw_crash,
877 .owner = THIS_MODULE,
878 .llseek = default_llseek,
881 static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf,
882 size_t count, loff_t *ppos)
884 struct ath10k *ar = file->private_data;
888 len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id);
890 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
893 static const struct file_operations fops_chip_id = {
894 .read = ath10k_read_chip_id,
896 .owner = THIS_MODULE,
897 .llseek = default_llseek,
900 struct ath10k_fw_crash_data *
901 ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)
903 struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
905 lockdep_assert_held(&ar->data_lock);
907 crash_data->crashed_since_read = true;
908 uuid_le_gen(&crash_data->uuid);
909 getnstimeofday(&crash_data->timestamp);
913 EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data);
915 static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar)
917 struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
918 struct ath10k_dump_file_data *dump_data;
919 struct ath10k_tlv_dump_data *dump_tlv;
920 int hdr_len = sizeof(*dump_data);
921 unsigned int len, sofar = 0;
925 len += sizeof(*dump_tlv) + sizeof(crash_data->registers);
929 /* This is going to get big when we start dumping FW RAM and such,
930 * so go ahead and use vmalloc.
936 spin_lock_bh(&ar->data_lock);
938 if (!crash_data->crashed_since_read) {
939 spin_unlock_bh(&ar->data_lock);
944 dump_data = (struct ath10k_dump_file_data *)(buf);
945 strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP",
946 sizeof(dump_data->df_magic));
947 dump_data->len = cpu_to_le32(len);
949 dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION);
951 memcpy(dump_data->uuid, &crash_data->uuid, sizeof(dump_data->uuid));
952 dump_data->chip_id = cpu_to_le32(ar->chip_id);
953 dump_data->bus_type = cpu_to_le32(0);
954 dump_data->target_version = cpu_to_le32(ar->target_version);
955 dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major);
956 dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor);
957 dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release);
958 dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build);
959 dump_data->phy_capability = cpu_to_le32(ar->phy_capability);
960 dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power);
961 dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power);
962 dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info);
963 dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info);
964 dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains);
966 strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version,
967 sizeof(dump_data->fw_ver));
969 dump_data->kernel_ver_code = 0;
970 strlcpy(dump_data->kernel_ver, init_utsname()->release,
971 sizeof(dump_data->kernel_ver));
973 dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec);
974 dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec);
976 /* Gather crash-dump */
977 dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar);
978 dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS);
979 dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers));
980 memcpy(dump_tlv->tlv_data, &crash_data->registers,
981 sizeof(crash_data->registers));
982 sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers);
984 ar->debug.fw_crash_data->crashed_since_read = false;
986 spin_unlock_bh(&ar->data_lock);
991 static int ath10k_fw_crash_dump_open(struct inode *inode, struct file *file)
993 struct ath10k *ar = inode->i_private;
994 struct ath10k_dump_file_data *dump;
996 dump = ath10k_build_dump_file(ar);
1000 file->private_data = dump;
1005 static ssize_t ath10k_fw_crash_dump_read(struct file *file,
1006 char __user *user_buf,
1007 size_t count, loff_t *ppos)
1009 struct ath10k_dump_file_data *dump_file = file->private_data;
1011 return simple_read_from_buffer(user_buf, count, ppos,
1013 le32_to_cpu(dump_file->len));
1016 static int ath10k_fw_crash_dump_release(struct inode *inode,
1019 vfree(file->private_data);
1024 static const struct file_operations fops_fw_crash_dump = {
1025 .open = ath10k_fw_crash_dump_open,
1026 .read = ath10k_fw_crash_dump_read,
1027 .release = ath10k_fw_crash_dump_release,
1028 .owner = THIS_MODULE,
1029 .llseek = default_llseek,
1032 static ssize_t ath10k_reg_addr_read(struct file *file,
1033 char __user *user_buf,
1034 size_t count, loff_t *ppos)
1036 struct ath10k *ar = file->private_data;
1038 unsigned int len = 0;
1041 mutex_lock(&ar->conf_mutex);
1042 reg_addr = ar->debug.reg_addr;
1043 mutex_unlock(&ar->conf_mutex);
1045 len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr);
1047 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1050 static ssize_t ath10k_reg_addr_write(struct file *file,
1051 const char __user *user_buf,
1052 size_t count, loff_t *ppos)
1054 struct ath10k *ar = file->private_data;
1058 ret = kstrtou32_from_user(user_buf, count, 0, ®_addr);
1062 if (!IS_ALIGNED(reg_addr, 4))
1065 mutex_lock(&ar->conf_mutex);
1066 ar->debug.reg_addr = reg_addr;
1067 mutex_unlock(&ar->conf_mutex);
1072 static const struct file_operations fops_reg_addr = {
1073 .read = ath10k_reg_addr_read,
1074 .write = ath10k_reg_addr_write,
1075 .open = simple_open,
1076 .owner = THIS_MODULE,
1077 .llseek = default_llseek,
1080 static ssize_t ath10k_reg_value_read(struct file *file,
1081 char __user *user_buf,
1082 size_t count, loff_t *ppos)
1084 struct ath10k *ar = file->private_data;
1087 u32 reg_addr, reg_val;
1090 mutex_lock(&ar->conf_mutex);
1092 if (ar->state != ATH10K_STATE_ON &&
1093 ar->state != ATH10K_STATE_UTF) {
1098 reg_addr = ar->debug.reg_addr;
1100 reg_val = ath10k_hif_read32(ar, reg_addr);
1101 len = scnprintf(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val);
1103 ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1106 mutex_unlock(&ar->conf_mutex);
1111 static ssize_t ath10k_reg_value_write(struct file *file,
1112 const char __user *user_buf,
1113 size_t count, loff_t *ppos)
1115 struct ath10k *ar = file->private_data;
1116 u32 reg_addr, reg_val;
1119 mutex_lock(&ar->conf_mutex);
1121 if (ar->state != ATH10K_STATE_ON &&
1122 ar->state != ATH10K_STATE_UTF) {
1127 reg_addr = ar->debug.reg_addr;
1129 ret = kstrtou32_from_user(user_buf, count, 0, ®_val);
1133 ath10k_hif_write32(ar, reg_addr, reg_val);
1138 mutex_unlock(&ar->conf_mutex);
1143 static const struct file_operations fops_reg_value = {
1144 .read = ath10k_reg_value_read,
1145 .write = ath10k_reg_value_write,
1146 .open = simple_open,
1147 .owner = THIS_MODULE,
1148 .llseek = default_llseek,
1151 static ssize_t ath10k_mem_value_read(struct file *file,
1152 char __user *user_buf,
1153 size_t count, loff_t *ppos)
1155 struct ath10k *ar = file->private_data;
1165 mutex_lock(&ar->conf_mutex);
1167 buf = vmalloc(count);
1173 if (ar->state != ATH10K_STATE_ON &&
1174 ar->state != ATH10K_STATE_UTF) {
1179 ret = ath10k_hif_diag_read(ar, *ppos, buf, count);
1181 ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n",
1186 ret = copy_to_user(user_buf, buf, count);
1198 mutex_unlock(&ar->conf_mutex);
1203 static ssize_t ath10k_mem_value_write(struct file *file,
1204 const char __user *user_buf,
1205 size_t count, loff_t *ppos)
1207 struct ath10k *ar = file->private_data;
1217 mutex_lock(&ar->conf_mutex);
1219 buf = vmalloc(count);
1225 if (ar->state != ATH10K_STATE_ON &&
1226 ar->state != ATH10K_STATE_UTF) {
1231 ret = copy_from_user(buf, user_buf, count);
1237 ret = ath10k_hif_diag_write(ar, *ppos, buf, count);
1239 ath10k_warn(ar, "failed to write address 0x%08x via diagnose window from debugfs: %d\n",
1249 mutex_unlock(&ar->conf_mutex);
1254 static const struct file_operations fops_mem_value = {
1255 .read = ath10k_mem_value_read,
1256 .write = ath10k_mem_value_write,
1257 .open = simple_open,
1258 .owner = THIS_MODULE,
1259 .llseek = default_llseek,
1262 static int ath10k_debug_htt_stats_req(struct ath10k *ar)
1267 lockdep_assert_held(&ar->conf_mutex);
1269 if (ar->debug.htt_stats_mask == 0)
1270 /* htt stats are disabled */
1273 if (ar->state != ATH10K_STATE_ON)
1276 cookie = get_jiffies_64();
1278 ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask,
1281 ath10k_warn(ar, "failed to send htt stats request: %d\n", ret);
1285 queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork,
1286 msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL));
1291 static void ath10k_debug_htt_stats_dwork(struct work_struct *work)
1293 struct ath10k *ar = container_of(work, struct ath10k,
1294 debug.htt_stats_dwork.work);
1296 mutex_lock(&ar->conf_mutex);
1298 ath10k_debug_htt_stats_req(ar);
1300 mutex_unlock(&ar->conf_mutex);
1303 static ssize_t ath10k_read_htt_stats_mask(struct file *file,
1304 char __user *user_buf,
1305 size_t count, loff_t *ppos)
1307 struct ath10k *ar = file->private_data;
1311 len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask);
1313 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1316 static ssize_t ath10k_write_htt_stats_mask(struct file *file,
1317 const char __user *user_buf,
1318 size_t count, loff_t *ppos)
1320 struct ath10k *ar = file->private_data;
1324 ret = kstrtoul_from_user(user_buf, count, 0, &mask);
1328 /* max 8 bit masks (for now) */
1332 mutex_lock(&ar->conf_mutex);
1334 ar->debug.htt_stats_mask = mask;
1336 ret = ath10k_debug_htt_stats_req(ar);
1343 mutex_unlock(&ar->conf_mutex);
1348 static const struct file_operations fops_htt_stats_mask = {
1349 .read = ath10k_read_htt_stats_mask,
1350 .write = ath10k_write_htt_stats_mask,
1351 .open = simple_open,
1352 .owner = THIS_MODULE,
1353 .llseek = default_llseek,
1356 static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file,
1357 char __user *user_buf,
1358 size_t count, loff_t *ppos)
1360 struct ath10k *ar = file->private_data;
1362 u8 amsdu = 3, ampdu = 64;
1365 mutex_lock(&ar->conf_mutex);
1367 amsdu = ar->htt.max_num_amsdu;
1368 ampdu = ar->htt.max_num_ampdu;
1369 mutex_unlock(&ar->conf_mutex);
1371 len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu);
1373 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1376 static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file,
1377 const char __user *user_buf,
1378 size_t count, loff_t *ppos)
1380 struct ath10k *ar = file->private_data;
1383 unsigned int amsdu, ampdu;
1385 simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
1387 /* make sure that buf is null terminated */
1388 buf[sizeof(buf) - 1] = 0;
1390 res = sscanf(buf, "%u %u", &amsdu, &du);
1395 mutex_lock(&ar->conf_mutex);
1397 res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu);
1402 ar->htt.max_num_amsdu = amsdu;
1403 ar->htt.max_num_ampdu = ampdu;
1406 mutex_unlock(&ar->conf_mutex);
1410 static const struct file_operations fops_htt_max_amsdu_ampdu = {
1411 .read = ath10k_read_htt_max_amsdu_ampdu,
1412 .write = ath10k_write_htt_max_amsdu_ampdu,
1413 .open = simple_open,
1414 .owner = THIS_MODULE,
1415 .llseek = default_llseek,
1418 static ssize_t ath10k_read_fw_dbglog(struct file *file,
1419 char __user *user_buf,
1420 size_t count, loff_t *ppos)
1422 struct ath10k *ar = file->private_data;
1426 len = scnprintf(buf, sizeof(buf), "0x%08x %u\n",
1427 ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level);
1429 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1432 static ssize_t ath10k_write_fw_dbglog(struct file *file,
1433 const char __user *user_buf,
1434 size_t count, loff_t *ppos)
1436 struct ath10k *ar = file->private_data;
1439 unsigned int log_level, mask;
1441 simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
1443 /* make sure that buf is null terminated */
1444 buf[sizeof(buf) - 1] = 0;
1446 ret = sscanf(buf, "%x %u", &mask, &log_level);
1452 /* default if user did not specify */
1453 log_level = ATH10K_DBGLOG_LEVEL_WARN;
1455 mutex_lock(&ar->conf_mutex);
1457 ar->debug.fw_dbglog_mask = mask;
1458 ar->debug.fw_dbglog_level = log_level;
1460 if (ar->state == ATH10K_STATE_ON) {
1461 ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
1462 ar->debug.fw_dbglog_level);
1464 ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n",
1473 mutex_unlock(&ar->conf_mutex);
1478 /* TODO: Would be nice to always support ethtool stats, would need to
1479 * move the stats storage out of ath10k_debug, or always have ath10k_debug
1480 * struct available..
1483 /* This generally cooresponds to the debugfs fw_stats file */
1484 static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = {
1494 "d_tx_power", /* in .5 dbM I think */
1495 "d_rx_crc_err", /* fcs_bad */
1497 "d_tx_mpdus_queued",
1499 "d_tx_msdu_dropped",
1502 "d_tx_ppdu_hw_queued",
1504 "d_tx_fifo_underrun",
1507 "d_tx_excessive_retries",
1509 "d_tx_dropped_sw_retries",
1510 "d_tx_illegal_rate",
1511 "d_tx_continuous_xretries",
1513 "d_tx_mpdu_txop_limit",
1515 "d_rx_mid_ppdu_route_change",
1517 "d_rx_extra_frags_ring0",
1518 "d_rx_extra_frags_ring1",
1519 "d_rx_extra_frags_ring2",
1520 "d_rx_extra_frags_ring3",
1526 "d_rx_phy_err_drops",
1527 "d_rx_mpdu_errors", /* FCS, MIC, ENC */
1529 "d_fw_warm_reset_count",
1530 "d_fw_cold_reset_count",
1533 #define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats)
1535 void ath10k_debug_get_et_strings(struct ieee80211_hw *hw,
1536 struct ieee80211_vif *vif,
1539 if (sset == ETH_SS_STATS)
1540 memcpy(data, *ath10k_gstrings_stats,
1541 sizeof(ath10k_gstrings_stats));
1544 int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw,
1545 struct ieee80211_vif *vif, int sset)
1547 if (sset == ETH_SS_STATS)
1548 return ATH10K_SSTATS_LEN;
1553 void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,
1554 struct ieee80211_vif *vif,
1555 struct ethtool_stats *stats, u64 *data)
1557 struct ath10k *ar = hw->priv;
1558 static const struct ath10k_fw_stats_pdev zero_stats = {};
1559 const struct ath10k_fw_stats_pdev *pdev_stats;
1562 mutex_lock(&ar->conf_mutex);
1564 if (ar->state == ATH10K_STATE_ON) {
1565 ret = ath10k_debug_fw_stats_request(ar);
1567 /* just print a warning and try to use older results */
1569 "failed to get fw stats for ethtool: %d\n",
1574 pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs,
1575 struct ath10k_fw_stats_pdev,
1578 /* no results available so just return zeroes */
1579 pdev_stats = &zero_stats;
1582 spin_lock_bh(&ar->data_lock);
1584 data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */
1585 data[i++] = 0; /* tx bytes */
1586 data[i++] = pdev_stats->htt_mpdus;
1587 data[i++] = 0; /* rx bytes */
1588 data[i++] = pdev_stats->ch_noise_floor;
1589 data[i++] = pdev_stats->cycle_count;
1590 data[i++] = pdev_stats->phy_err_count;
1591 data[i++] = pdev_stats->rts_bad;
1592 data[i++] = pdev_stats->rts_good;
1593 data[i++] = pdev_stats->chan_tx_power;
1594 data[i++] = pdev_stats->fcs_bad;
1595 data[i++] = pdev_stats->no_beacons;
1596 data[i++] = pdev_stats->mpdu_enqued;
1597 data[i++] = pdev_stats->msdu_enqued;
1598 data[i++] = pdev_stats->wmm_drop;
1599 data[i++] = pdev_stats->local_enqued;
1600 data[i++] = pdev_stats->local_freed;
1601 data[i++] = pdev_stats->hw_queued;
1602 data[i++] = pdev_stats->hw_reaped;
1603 data[i++] = pdev_stats->underrun;
1604 data[i++] = pdev_stats->tx_abort;
1605 data[i++] = pdev_stats->mpdus_requed;
1606 data[i++] = pdev_stats->tx_ko;
1607 data[i++] = pdev_stats->data_rc;
1608 data[i++] = pdev_stats->sw_retry_failure;
1609 data[i++] = pdev_stats->illgl_rate_phy_err;
1610 data[i++] = pdev_stats->pdev_cont_xretry;
1611 data[i++] = pdev_stats->pdev_tx_timeout;
1612 data[i++] = pdev_stats->txop_ovf;
1613 data[i++] = pdev_stats->pdev_resets;
1614 data[i++] = pdev_stats->mid_ppdu_route_change;
1615 data[i++] = pdev_stats->status_rcvd;
1616 data[i++] = pdev_stats->r0_frags;
1617 data[i++] = pdev_stats->r1_frags;
1618 data[i++] = pdev_stats->r2_frags;
1619 data[i++] = pdev_stats->r3_frags;
1620 data[i++] = pdev_stats->htt_msdus;
1621 data[i++] = pdev_stats->htt_mpdus;
1622 data[i++] = pdev_stats->loc_msdus;
1623 data[i++] = pdev_stats->loc_mpdus;
1624 data[i++] = pdev_stats->phy_errs;
1625 data[i++] = pdev_stats->phy_err_drop;
1626 data[i++] = pdev_stats->mpdu_errs;
1627 data[i++] = ar->stats.fw_crash_counter;
1628 data[i++] = ar->stats.fw_warm_reset_counter;
1629 data[i++] = ar->stats.fw_cold_reset_counter;
1631 spin_unlock_bh(&ar->data_lock);
1633 mutex_unlock(&ar->conf_mutex);
1635 WARN_ON(i != ATH10K_SSTATS_LEN);
1638 static const struct file_operations fops_fw_dbglog = {
1639 .read = ath10k_read_fw_dbglog,
1640 .write = ath10k_write_fw_dbglog,
1641 .open = simple_open,
1642 .owner = THIS_MODULE,
1643 .llseek = default_llseek,
1646 static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file)
1648 struct ath10k *ar = inode->i_private;
1654 mutex_lock(&ar->conf_mutex);
1656 if (ar->state != ATH10K_STATE_ON &&
1657 ar->state != ATH10K_STATE_UTF) {
1662 buf = vmalloc(QCA988X_CAL_DATA_LEN);
1668 hi_addr = host_interest_item_address(HI_ITEM(hi_board_data));
1670 ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr));
1672 ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret);
1676 ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), buf,
1677 QCA988X_CAL_DATA_LEN);
1679 ath10k_warn(ar, "failed to read calibration data: %d\n", ret);
1683 file->private_data = buf;
1685 mutex_unlock(&ar->conf_mutex);
1693 mutex_unlock(&ar->conf_mutex);
1698 static ssize_t ath10k_debug_cal_data_read(struct file *file,
1699 char __user *user_buf,
1700 size_t count, loff_t *ppos)
1702 void *buf = file->private_data;
1704 return simple_read_from_buffer(user_buf, count, ppos,
1705 buf, QCA988X_CAL_DATA_LEN);
1708 static int ath10k_debug_cal_data_release(struct inode *inode,
1711 vfree(file->private_data);
1716 static ssize_t ath10k_write_ani_enable(struct file *file,
1717 const char __user *user_buf,
1718 size_t count, loff_t *ppos)
1720 struct ath10k *ar = file->private_data;
1724 if (kstrtou8_from_user(user_buf, count, 0, &enable))
1727 mutex_lock(&ar->conf_mutex);
1729 if (ar->ani_enabled == enable) {
1734 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->ani_enable,
1737 ath10k_warn(ar, "ani_enable failed from debugfs: %d\n", ret);
1740 ar->ani_enabled = enable;
1745 mutex_unlock(&ar->conf_mutex);
1750 static ssize_t ath10k_read_ani_enable(struct file *file, char __user *user_buf,
1751 size_t count, loff_t *ppos)
1753 struct ath10k *ar = file->private_data;
1757 len = scnprintf(buf, sizeof(buf) - len, "%d\n",
1760 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1763 static const struct file_operations fops_ani_enable = {
1764 .read = ath10k_read_ani_enable,
1765 .write = ath10k_write_ani_enable,
1766 .open = simple_open,
1767 .owner = THIS_MODULE,
1768 .llseek = default_llseek,
1771 static const struct file_operations fops_cal_data = {
1772 .open = ath10k_debug_cal_data_open,
1773 .read = ath10k_debug_cal_data_read,
1774 .release = ath10k_debug_cal_data_release,
1775 .owner = THIS_MODULE,
1776 .llseek = default_llseek,
1779 static ssize_t ath10k_read_nf_cal_period(struct file *file,
1780 char __user *user_buf,
1781 size_t count, loff_t *ppos)
1783 struct ath10k *ar = file->private_data;
1787 len = scnprintf(buf, sizeof(buf), "%d\n",
1788 ar->debug.nf_cal_period);
1790 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1793 static ssize_t ath10k_write_nf_cal_period(struct file *file,
1794 const char __user *user_buf,
1795 size_t count, loff_t *ppos)
1797 struct ath10k *ar = file->private_data;
1798 unsigned long period;
1801 ret = kstrtoul_from_user(user_buf, count, 0, &period);
1805 if (period > WMI_PDEV_PARAM_CAL_PERIOD_MAX)
1808 /* there's no way to switch back to the firmware default */
1812 mutex_lock(&ar->conf_mutex);
1814 ar->debug.nf_cal_period = period;
1816 if (ar->state != ATH10K_STATE_ON) {
1817 /* firmware is not running, nothing else to do */
1822 ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period,
1823 ar->debug.nf_cal_period);
1825 ath10k_warn(ar, "cal period cfg failed from debugfs: %d\n",
1833 mutex_unlock(&ar->conf_mutex);
1838 static const struct file_operations fops_nf_cal_period = {
1839 .read = ath10k_read_nf_cal_period,
1840 .write = ath10k_write_nf_cal_period,
1841 .open = simple_open,
1842 .owner = THIS_MODULE,
1843 .llseek = default_llseek,
1846 int ath10k_debug_start(struct ath10k *ar)
1850 lockdep_assert_held(&ar->conf_mutex);
1852 ret = ath10k_debug_htt_stats_req(ar);
1854 /* continue normally anyway, this isn't serious */
1855 ath10k_warn(ar, "failed to start htt stats workqueue: %d\n",
1858 if (ar->debug.fw_dbglog_mask) {
1859 ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
1860 ATH10K_DBGLOG_LEVEL_WARN);
1863 ath10k_warn(ar, "failed to enable dbglog during start: %d",
1867 if (ar->debug.pktlog_filter) {
1868 ret = ath10k_wmi_pdev_pktlog_enable(ar,
1869 ar->debug.pktlog_filter);
1873 "failed to enable pktlog filter %x: %d\n",
1874 ar->debug.pktlog_filter, ret);
1876 ret = ath10k_wmi_pdev_pktlog_disable(ar);
1879 ath10k_warn(ar, "failed to disable pktlog: %d\n", ret);
1882 if (ar->debug.nf_cal_period) {
1883 ret = ath10k_wmi_pdev_set_param(ar,
1884 ar->wmi.pdev_param->cal_period,
1885 ar->debug.nf_cal_period);
1888 ath10k_warn(ar, "cal period cfg failed from debug start: %d\n",
1895 void ath10k_debug_stop(struct ath10k *ar)
1897 lockdep_assert_held(&ar->conf_mutex);
1899 /* Must not use _sync to avoid deadlock, we do that in
1900 * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid
1901 * warning from del_timer(). */
1902 if (ar->debug.htt_stats_mask != 0)
1903 cancel_delayed_work(&ar->debug.htt_stats_dwork);
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 */