1 /******************************************************************************
5 * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
21 * The full GNU General Public License is included in this distribution
22 * in the file called COPYING.
24 * Contact Information:
25 * Intel Linux Wireless <linuxwifi@intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/debugfs.h>
33 #include <linux/ieee80211.h>
34 #include <net/mac80211.h>
36 #include "iwl-debug.h"
37 #include "iwl-trans.h"
42 /* create and remove of files */
43 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \
44 if (!debugfs_create_file(#name, mode, parent, priv, \
45 &iwl_dbgfs_##name##_ops)) \
49 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
50 struct dentry *__tmp; \
51 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
53 if (IS_ERR(__tmp) || !__tmp) \
57 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
58 struct dentry *__tmp; \
59 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
61 if (IS_ERR(__tmp) || !__tmp) \
65 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \
66 struct dentry *__tmp; \
67 __tmp = debugfs_create_u32(#name, mode, \
69 if (IS_ERR(__tmp) || !__tmp) \
74 #define DEBUGFS_READ_FILE_OPS(name) \
75 static const struct file_operations iwl_dbgfs_##name##_ops = { \
76 .read = iwl_dbgfs_##name##_read, \
77 .open = simple_open, \
78 .llseek = generic_file_llseek, \
81 #define DEBUGFS_WRITE_FILE_OPS(name) \
82 static const struct file_operations iwl_dbgfs_##name##_ops = { \
83 .write = iwl_dbgfs_##name##_write, \
84 .open = simple_open, \
85 .llseek = generic_file_llseek, \
89 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
90 static const struct file_operations iwl_dbgfs_##name##_ops = { \
91 .write = iwl_dbgfs_##name##_write, \
92 .read = iwl_dbgfs_##name##_read, \
93 .open = simple_open, \
94 .llseek = generic_file_llseek, \
97 static ssize_t iwl_dbgfs_sram_read(struct file *file,
98 char __user *user_buf,
99 size_t count, loff_t *ppos)
105 bool device_format = false;
110 struct iwl_priv *priv = file->private_data;
111 const struct fw_img *img;
114 if (!iwl_is_ready_rf(priv))
117 /* default is to dump the entire data segment */
118 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
119 priv->dbgfs_sram_offset = 0x800000;
120 if (!priv->ucode_loaded)
122 img = &priv->fw->img[priv->cur_ucode];
123 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
125 len = priv->dbgfs_sram_len;
128 device_format = true;
132 bufsz = 50 + len * 4;
133 buf = kmalloc(bufsz, GFP_KERNEL);
137 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
139 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
140 priv->dbgfs_sram_offset);
142 /* adjust sram address since reads are only on even u32 boundaries */
143 offset = priv->dbgfs_sram_offset & 0x3;
144 sram = priv->dbgfs_sram_offset & ~0x3;
146 /* read the first u32 from sram */
147 val = iwl_trans_read_mem32(priv->trans, sram);
150 /* put the address at the start of every line */
152 pos += scnprintf(buf + pos, bufsz - pos,
153 "%08X: ", sram + offset);
156 pos += scnprintf(buf + pos, bufsz - pos,
157 "%02x", (val >> (8 * (3 - offset))) & 0xff);
159 pos += scnprintf(buf + pos, bufsz - pos,
160 "%02x ", (val >> (8 * offset)) & 0xff);
162 /* if all bytes processed, read the next u32 from sram */
166 val = iwl_trans_read_mem32(priv->trans, sram);
169 /* put in extra spaces and split lines for human readability */
172 pos += scnprintf(buf + pos, bufsz - pos, "\n");
173 } else if (!(i & 7)) {
174 pos += scnprintf(buf + pos, bufsz - pos, " ");
175 } else if (!(i & 3)) {
176 pos += scnprintf(buf + pos, bufsz - pos, " ");
180 pos += scnprintf(buf + pos, bufsz - pos, "\n");
182 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
187 static ssize_t iwl_dbgfs_sram_write(struct file *file,
188 const char __user *user_buf,
189 size_t count, loff_t *ppos)
191 struct iwl_priv *priv = file->private_data;
196 memset(buf, 0, sizeof(buf));
197 buf_size = min(count, sizeof(buf) - 1);
198 if (copy_from_user(buf, user_buf, buf_size))
201 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
202 priv->dbgfs_sram_offset = offset;
203 priv->dbgfs_sram_len = len;
204 } else if (sscanf(buf, "%x", &offset) == 1) {
205 priv->dbgfs_sram_offset = offset;
206 priv->dbgfs_sram_len = -4;
208 priv->dbgfs_sram_offset = 0;
209 priv->dbgfs_sram_len = 0;
215 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
216 char __user *user_buf,
217 size_t count, loff_t *ppos)
219 struct iwl_priv *priv = file->private_data;
220 const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN];
222 if (!priv->wowlan_sram)
225 return simple_read_from_buffer(user_buf, count, ppos,
227 img->sec[IWL_UCODE_SECTION_DATA].len);
229 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
230 size_t count, loff_t *ppos)
232 struct iwl_priv *priv = file->private_data;
233 struct iwl_station_entry *station;
234 struct iwl_tid_data *tid_data;
238 /* Add 30 for initial string */
239 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
241 buf = kmalloc(bufsz, GFP_KERNEL);
245 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
248 for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
249 station = &priv->stations[i];
252 pos += scnprintf(buf + pos, bufsz - pos,
253 "station %d - addr: %pM, flags: %#x\n",
254 i, station->sta.sta.addr,
255 station->sta.station_flags_msk);
256 pos += scnprintf(buf + pos, bufsz - pos,
257 "TID seqno next_rclmd "
258 "rate_n_flags state txq\n");
260 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
261 tid_data = &priv->tid_data[i][j];
262 pos += scnprintf(buf + pos, bufsz - pos,
263 "%d: 0x%.4x 0x%.4x 0x%.8x "
265 j, tid_data->seq_number,
266 tid_data->next_reclaimed,
267 tid_data->agg.rate_n_flags,
269 tid_data->agg.txq_id);
271 if (tid_data->agg.wait_for_ba)
272 pos += scnprintf(buf + pos, bufsz - pos,
274 pos += scnprintf(buf + pos, bufsz - pos, "\n");
277 pos += scnprintf(buf + pos, bufsz - pos, "\n");
280 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
285 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
286 char __user *user_buf,
291 struct iwl_priv *priv = file->private_data;
292 int pos = 0, ofs = 0, buf_size = 0;
296 size_t eeprom_len = priv->eeprom_blob_size;
297 buf_size = 4 * eeprom_len + 256;
302 ptr = priv->eeprom_blob;
306 /* 4 characters for byte 0xYY */
307 buf = kzalloc(buf_size, GFP_KERNEL);
311 nvm_ver = priv->nvm_data->nvm_version;
312 pos += scnprintf(buf + pos, buf_size - pos,
313 "NVM version: 0x%x\n", nvm_ver);
314 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
315 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x %16ph\n",
319 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
324 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
325 size_t count, loff_t *ppos)
327 struct iwl_priv *priv = file->private_data;
328 struct ieee80211_channel *channels = NULL;
329 const struct ieee80211_supported_band *supp_band = NULL;
330 int pos = 0, i, bufsz = PAGE_SIZE;
334 buf = kzalloc(bufsz, GFP_KERNEL);
338 supp_band = iwl_get_hw_mode(priv, NL80211_BAND_2GHZ);
340 channels = supp_band->channels;
342 pos += scnprintf(buf + pos, bufsz - pos,
343 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
344 supp_band->n_channels);
346 for (i = 0; i < supp_band->n_channels; i++)
347 pos += scnprintf(buf + pos, bufsz - pos,
348 "%d: %ddBm: BSS%s%s, %s.\n",
349 channels[i].hw_value,
350 channels[i].max_power,
351 channels[i].flags & IEEE80211_CHAN_RADAR ?
352 " (IEEE 802.11h required)" : "",
353 ((channels[i].flags & IEEE80211_CHAN_NO_IR)
354 || (channels[i].flags &
355 IEEE80211_CHAN_RADAR)) ? "" :
358 IEEE80211_CHAN_NO_IR ?
359 "passive only" : "active/passive");
361 supp_band = iwl_get_hw_mode(priv, NL80211_BAND_5GHZ);
363 channels = supp_band->channels;
365 pos += scnprintf(buf + pos, bufsz - pos,
366 "Displaying %d channels in 5.2GHz band (802.11a)\n",
367 supp_band->n_channels);
369 for (i = 0; i < supp_band->n_channels; i++)
370 pos += scnprintf(buf + pos, bufsz - pos,
371 "%d: %ddBm: BSS%s%s, %s.\n",
372 channels[i].hw_value,
373 channels[i].max_power,
374 channels[i].flags & IEEE80211_CHAN_RADAR ?
375 " (IEEE 802.11h required)" : "",
376 ((channels[i].flags & IEEE80211_CHAN_NO_IR)
377 || (channels[i].flags &
378 IEEE80211_CHAN_RADAR)) ? "" :
381 IEEE80211_CHAN_NO_IR ?
382 "passive only" : "active/passive");
384 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
389 static ssize_t iwl_dbgfs_status_read(struct file *file,
390 char __user *user_buf,
391 size_t count, loff_t *ppos) {
393 struct iwl_priv *priv = file->private_data;
396 const size_t bufsz = sizeof(buf);
398 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
399 test_bit(STATUS_RF_KILL_HW, &priv->status));
400 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
401 test_bit(STATUS_CT_KILL, &priv->status));
402 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
403 test_bit(STATUS_ALIVE, &priv->status));
404 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
405 test_bit(STATUS_READY, &priv->status));
406 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
407 test_bit(STATUS_EXIT_PENDING, &priv->status));
408 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
409 test_bit(STATUS_STATISTICS, &priv->status));
410 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
411 test_bit(STATUS_SCANNING, &priv->status));
412 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
413 test_bit(STATUS_SCAN_ABORTING, &priv->status));
414 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
415 test_bit(STATUS_SCAN_HW, &priv->status));
416 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
417 test_bit(STATUS_POWER_PMI, &priv->status));
418 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
419 test_bit(STATUS_FW_ERROR, &priv->status));
420 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
423 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
424 char __user *user_buf,
425 size_t count, loff_t *ppos) {
427 struct iwl_priv *priv = file->private_data;
432 int bufsz = 24 * 64; /* 24 items * 64 char per item */
435 buf = kzalloc(bufsz, GFP_KERNEL);
439 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
440 if (priv->rx_handlers_stats[cnt] > 0)
441 pos += scnprintf(buf + pos, bufsz - pos,
442 "\tRx handler[%36s]:\t\t %u\n",
443 iwl_get_cmd_string(priv->trans, (u32)cnt),
444 priv->rx_handlers_stats[cnt]);
447 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
452 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
453 const char __user *user_buf,
454 size_t count, loff_t *ppos)
456 struct iwl_priv *priv = file->private_data;
462 memset(buf, 0, sizeof(buf));
463 buf_size = min(count, sizeof(buf) - 1);
464 if (copy_from_user(buf, user_buf, buf_size))
466 if (sscanf(buf, "%x", &reset_flag) != 1)
469 memset(&priv->rx_handlers_stats[0], 0,
470 sizeof(priv->rx_handlers_stats));
475 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
476 size_t count, loff_t *ppos)
478 struct iwl_priv *priv = file->private_data;
479 struct iwl_rxon_context *ctx;
481 char buf[256 * NUM_IWL_RXON_CTX];
482 const size_t bufsz = sizeof(buf);
484 for_each_context(priv, ctx) {
485 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
487 for (i = 0; i < AC_NUM; i++) {
488 pos += scnprintf(buf + pos, bufsz - pos,
489 "\tcw_min\tcw_max\taifsn\ttxop\n");
490 pos += scnprintf(buf + pos, bufsz - pos,
491 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
492 ctx->qos_data.def_qos_parm.ac[i].cw_min,
493 ctx->qos_data.def_qos_parm.ac[i].cw_max,
494 ctx->qos_data.def_qos_parm.ac[i].aifsn,
495 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
497 pos += scnprintf(buf + pos, bufsz - pos, "\n");
499 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
502 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
503 char __user *user_buf,
504 size_t count, loff_t *ppos)
506 struct iwl_priv *priv = file->private_data;
507 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
508 struct iwl_tt_restriction *restriction;
511 const size_t bufsz = sizeof(buf);
513 pos += scnprintf(buf + pos, bufsz - pos,
514 "Thermal Throttling Mode: %s\n",
515 tt->advanced_tt ? "Advance" : "Legacy");
516 pos += scnprintf(buf + pos, bufsz - pos,
517 "Thermal Throttling State: %d\n",
519 if (tt->advanced_tt) {
520 restriction = tt->restriction + tt->state;
521 pos += scnprintf(buf + pos, bufsz - pos,
523 restriction->tx_stream);
524 pos += scnprintf(buf + pos, bufsz - pos,
526 restriction->rx_stream);
527 pos += scnprintf(buf + pos, bufsz - pos,
531 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
534 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
535 const char __user *user_buf,
536 size_t count, loff_t *ppos)
538 struct iwl_priv *priv = file->private_data;
543 memset(buf, 0, sizeof(buf));
544 buf_size = min(count, sizeof(buf) - 1);
545 if (copy_from_user(buf, user_buf, buf_size))
547 if (sscanf(buf, "%d", &ht40) != 1)
549 if (!iwl_is_any_associated(priv))
550 priv->disable_ht40 = ht40 ? true : false;
557 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
558 char __user *user_buf,
559 size_t count, loff_t *ppos)
561 struct iwl_priv *priv = file->private_data;
564 const size_t bufsz = sizeof(buf);
566 pos += scnprintf(buf + pos, bufsz - pos,
567 "11n 40MHz Mode: %s\n",
568 priv->disable_ht40 ? "Disabled" : "Enabled");
569 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
572 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
573 char __user *user_buf,
574 size_t count, loff_t *ppos)
576 struct iwl_priv *priv = file->private_data;
579 const size_t bufsz = sizeof(buf);
581 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
582 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
586 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
587 const char __user *user_buf,
588 size_t count, loff_t *ppos)
590 struct iwl_priv *priv = file->private_data;
595 memset(buf, 0, sizeof(buf));
596 buf_size = min(count, sizeof(buf) - 1);
597 if (copy_from_user(buf, user_buf, buf_size))
600 if (sscanf(buf, "%d", &value) != 1)
604 * Our users expect 0 to be "CAM", but 0 isn't actually
605 * valid here. However, let's not confuse them and present
606 * IWL_POWER_INDEX_1 as "1", not "0".
613 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
616 if (!iwl_is_ready_rf(priv))
619 priv->power_data.debug_sleep_level_override = value;
621 mutex_lock(&priv->mutex);
622 iwl_power_update_mode(priv, true);
623 mutex_unlock(&priv->mutex);
628 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
629 char __user *user_buf,
630 size_t count, loff_t *ppos)
632 struct iwl_priv *priv = file->private_data;
635 const size_t bufsz = sizeof(buf);
637 /* see the write function */
638 value = priv->power_data.debug_sleep_level_override;
642 pos = scnprintf(buf, bufsz, "%d\n", value);
643 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
646 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
647 char __user *user_buf,
648 size_t count, loff_t *ppos)
650 struct iwl_priv *priv = file->private_data;
653 const size_t bufsz = sizeof(buf);
654 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
656 pos += scnprintf(buf + pos, bufsz - pos,
657 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
658 pos += scnprintf(buf + pos, bufsz - pos,
659 "RX/TX timeout: %d/%d usec\n",
660 le32_to_cpu(cmd->rx_data_timeout),
661 le32_to_cpu(cmd->tx_data_timeout));
662 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
663 pos += scnprintf(buf + pos, bufsz - pos,
664 "sleep_interval[%d]: %d\n", i,
665 le32_to_cpu(cmd->sleep_interval[i]));
667 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
670 DEBUGFS_READ_WRITE_FILE_OPS(sram);
671 DEBUGFS_READ_FILE_OPS(wowlan_sram);
672 DEBUGFS_READ_FILE_OPS(nvm);
673 DEBUGFS_READ_FILE_OPS(stations);
674 DEBUGFS_READ_FILE_OPS(channels);
675 DEBUGFS_READ_FILE_OPS(status);
676 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
677 DEBUGFS_READ_FILE_OPS(qos);
678 DEBUGFS_READ_FILE_OPS(thermal_throttling);
679 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
680 DEBUGFS_READ_FILE_OPS(temperature);
681 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
682 DEBUGFS_READ_FILE_OPS(current_sleep_command);
684 #define fmt_value " %-30s %10u\n"
685 #define fmt_hex " %-30s 0x%02X\n"
686 #define fmt_table " %-30s %10u %10u %10u %10u\n"
687 #define fmt_header "%-32s current cumulative delta max\n"
689 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
694 lockdep_assert_held(&priv->statistics.lock);
696 flag = le32_to_cpu(priv->statistics.flag);
698 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
699 if (flag & UCODE_STATISTICS_CLEAR_MSK)
700 p += scnprintf(buf + p, bufsz - p,
701 "\tStatistics have been cleared\n");
702 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
703 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
704 ? "2.4 GHz" : "5.2 GHz");
705 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
706 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
707 ? "enabled" : "disabled");
712 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
713 char __user *user_buf,
714 size_t count, loff_t *ppos)
716 struct iwl_priv *priv = file->private_data;
719 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
720 sizeof(struct statistics_rx_non_phy) * 40 +
721 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
723 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
724 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
725 struct statistics_rx_non_phy *general, *accum_general;
726 struct statistics_rx_non_phy *delta_general, *max_general;
727 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
729 if (!iwl_is_alive(priv))
732 buf = kzalloc(bufsz, GFP_KERNEL);
737 * the statistic information display here is based on
738 * the last statistics notification from uCode
739 * might not reflect the current uCode activity
741 spin_lock_bh(&priv->statistics.lock);
742 ofdm = &priv->statistics.rx_ofdm;
743 cck = &priv->statistics.rx_cck;
744 general = &priv->statistics.rx_non_phy;
745 ht = &priv->statistics.rx_ofdm_ht;
746 accum_ofdm = &priv->accum_stats.rx_ofdm;
747 accum_cck = &priv->accum_stats.rx_cck;
748 accum_general = &priv->accum_stats.rx_non_phy;
749 accum_ht = &priv->accum_stats.rx_ofdm_ht;
750 delta_ofdm = &priv->delta_stats.rx_ofdm;
751 delta_cck = &priv->delta_stats.rx_cck;
752 delta_general = &priv->delta_stats.rx_non_phy;
753 delta_ht = &priv->delta_stats.rx_ofdm_ht;
754 max_ofdm = &priv->max_delta_stats.rx_ofdm;
755 max_cck = &priv->max_delta_stats.rx_cck;
756 max_general = &priv->max_delta_stats.rx_non_phy;
757 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
759 pos += iwl_statistics_flag(priv, buf, bufsz);
760 pos += scnprintf(buf + pos, bufsz - pos,
761 fmt_header, "Statistics_Rx - OFDM:");
762 pos += scnprintf(buf + pos, bufsz - pos,
763 fmt_table, "ina_cnt:",
764 le32_to_cpu(ofdm->ina_cnt),
766 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
767 pos += scnprintf(buf + pos, bufsz - pos,
768 fmt_table, "fina_cnt:",
769 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
770 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
771 pos += scnprintf(buf + pos, bufsz - pos,
772 fmt_table, "plcp_err:",
773 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
774 delta_ofdm->plcp_err, max_ofdm->plcp_err);
775 pos += scnprintf(buf + pos, bufsz - pos,
776 fmt_table, "crc32_err:",
777 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
778 delta_ofdm->crc32_err, max_ofdm->crc32_err);
779 pos += scnprintf(buf + pos, bufsz - pos,
780 fmt_table, "overrun_err:",
781 le32_to_cpu(ofdm->overrun_err),
782 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
783 max_ofdm->overrun_err);
784 pos += scnprintf(buf + pos, bufsz - pos,
785 fmt_table, "early_overrun_err:",
786 le32_to_cpu(ofdm->early_overrun_err),
787 accum_ofdm->early_overrun_err,
788 delta_ofdm->early_overrun_err,
789 max_ofdm->early_overrun_err);
790 pos += scnprintf(buf + pos, bufsz - pos,
791 fmt_table, "crc32_good:",
792 le32_to_cpu(ofdm->crc32_good),
793 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
794 max_ofdm->crc32_good);
795 pos += scnprintf(buf + pos, bufsz - pos,
796 fmt_table, "false_alarm_cnt:",
797 le32_to_cpu(ofdm->false_alarm_cnt),
798 accum_ofdm->false_alarm_cnt,
799 delta_ofdm->false_alarm_cnt,
800 max_ofdm->false_alarm_cnt);
801 pos += scnprintf(buf + pos, bufsz - pos,
802 fmt_table, "fina_sync_err_cnt:",
803 le32_to_cpu(ofdm->fina_sync_err_cnt),
804 accum_ofdm->fina_sync_err_cnt,
805 delta_ofdm->fina_sync_err_cnt,
806 max_ofdm->fina_sync_err_cnt);
807 pos += scnprintf(buf + pos, bufsz - pos,
808 fmt_table, "sfd_timeout:",
809 le32_to_cpu(ofdm->sfd_timeout),
810 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
811 max_ofdm->sfd_timeout);
812 pos += scnprintf(buf + pos, bufsz - pos,
813 fmt_table, "fina_timeout:",
814 le32_to_cpu(ofdm->fina_timeout),
815 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
816 max_ofdm->fina_timeout);
817 pos += scnprintf(buf + pos, bufsz - pos,
818 fmt_table, "unresponded_rts:",
819 le32_to_cpu(ofdm->unresponded_rts),
820 accum_ofdm->unresponded_rts,
821 delta_ofdm->unresponded_rts,
822 max_ofdm->unresponded_rts);
823 pos += scnprintf(buf + pos, bufsz - pos,
824 fmt_table, "rxe_frame_lmt_ovrun:",
825 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
826 accum_ofdm->rxe_frame_limit_overrun,
827 delta_ofdm->rxe_frame_limit_overrun,
828 max_ofdm->rxe_frame_limit_overrun);
829 pos += scnprintf(buf + pos, bufsz - pos,
830 fmt_table, "sent_ack_cnt:",
831 le32_to_cpu(ofdm->sent_ack_cnt),
832 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
833 max_ofdm->sent_ack_cnt);
834 pos += scnprintf(buf + pos, bufsz - pos,
835 fmt_table, "sent_cts_cnt:",
836 le32_to_cpu(ofdm->sent_cts_cnt),
837 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
838 max_ofdm->sent_cts_cnt);
839 pos += scnprintf(buf + pos, bufsz - pos,
840 fmt_table, "sent_ba_rsp_cnt:",
841 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
842 accum_ofdm->sent_ba_rsp_cnt,
843 delta_ofdm->sent_ba_rsp_cnt,
844 max_ofdm->sent_ba_rsp_cnt);
845 pos += scnprintf(buf + pos, bufsz - pos,
846 fmt_table, "dsp_self_kill:",
847 le32_to_cpu(ofdm->dsp_self_kill),
848 accum_ofdm->dsp_self_kill,
849 delta_ofdm->dsp_self_kill,
850 max_ofdm->dsp_self_kill);
851 pos += scnprintf(buf + pos, bufsz - pos,
852 fmt_table, "mh_format_err:",
853 le32_to_cpu(ofdm->mh_format_err),
854 accum_ofdm->mh_format_err,
855 delta_ofdm->mh_format_err,
856 max_ofdm->mh_format_err);
857 pos += scnprintf(buf + pos, bufsz - pos,
858 fmt_table, "re_acq_main_rssi_sum:",
859 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
860 accum_ofdm->re_acq_main_rssi_sum,
861 delta_ofdm->re_acq_main_rssi_sum,
862 max_ofdm->re_acq_main_rssi_sum);
864 pos += scnprintf(buf + pos, bufsz - pos,
865 fmt_header, "Statistics_Rx - CCK:");
866 pos += scnprintf(buf + pos, bufsz - pos,
867 fmt_table, "ina_cnt:",
868 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
869 delta_cck->ina_cnt, max_cck->ina_cnt);
870 pos += scnprintf(buf + pos, bufsz - pos,
871 fmt_table, "fina_cnt:",
872 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
873 delta_cck->fina_cnt, max_cck->fina_cnt);
874 pos += scnprintf(buf + pos, bufsz - pos,
875 fmt_table, "plcp_err:",
876 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
877 delta_cck->plcp_err, max_cck->plcp_err);
878 pos += scnprintf(buf + pos, bufsz - pos,
879 fmt_table, "crc32_err:",
880 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
881 delta_cck->crc32_err, max_cck->crc32_err);
882 pos += scnprintf(buf + pos, bufsz - pos,
883 fmt_table, "overrun_err:",
884 le32_to_cpu(cck->overrun_err),
885 accum_cck->overrun_err, delta_cck->overrun_err,
886 max_cck->overrun_err);
887 pos += scnprintf(buf + pos, bufsz - pos,
888 fmt_table, "early_overrun_err:",
889 le32_to_cpu(cck->early_overrun_err),
890 accum_cck->early_overrun_err,
891 delta_cck->early_overrun_err,
892 max_cck->early_overrun_err);
893 pos += scnprintf(buf + pos, bufsz - pos,
894 fmt_table, "crc32_good:",
895 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
896 delta_cck->crc32_good, max_cck->crc32_good);
897 pos += scnprintf(buf + pos, bufsz - pos,
898 fmt_table, "false_alarm_cnt:",
899 le32_to_cpu(cck->false_alarm_cnt),
900 accum_cck->false_alarm_cnt,
901 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
902 pos += scnprintf(buf + pos, bufsz - pos,
903 fmt_table, "fina_sync_err_cnt:",
904 le32_to_cpu(cck->fina_sync_err_cnt),
905 accum_cck->fina_sync_err_cnt,
906 delta_cck->fina_sync_err_cnt,
907 max_cck->fina_sync_err_cnt);
908 pos += scnprintf(buf + pos, bufsz - pos,
909 fmt_table, "sfd_timeout:",
910 le32_to_cpu(cck->sfd_timeout),
911 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
912 max_cck->sfd_timeout);
913 pos += scnprintf(buf + pos, bufsz - pos,
914 fmt_table, "fina_timeout:",
915 le32_to_cpu(cck->fina_timeout),
916 accum_cck->fina_timeout, delta_cck->fina_timeout,
917 max_cck->fina_timeout);
918 pos += scnprintf(buf + pos, bufsz - pos,
919 fmt_table, "unresponded_rts:",
920 le32_to_cpu(cck->unresponded_rts),
921 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
922 max_cck->unresponded_rts);
923 pos += scnprintf(buf + pos, bufsz - pos,
924 fmt_table, "rxe_frame_lmt_ovrun:",
925 le32_to_cpu(cck->rxe_frame_limit_overrun),
926 accum_cck->rxe_frame_limit_overrun,
927 delta_cck->rxe_frame_limit_overrun,
928 max_cck->rxe_frame_limit_overrun);
929 pos += scnprintf(buf + pos, bufsz - pos,
930 fmt_table, "sent_ack_cnt:",
931 le32_to_cpu(cck->sent_ack_cnt),
932 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
933 max_cck->sent_ack_cnt);
934 pos += scnprintf(buf + pos, bufsz - pos,
935 fmt_table, "sent_cts_cnt:",
936 le32_to_cpu(cck->sent_cts_cnt),
937 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
938 max_cck->sent_cts_cnt);
939 pos += scnprintf(buf + pos, bufsz - pos,
940 fmt_table, "sent_ba_rsp_cnt:",
941 le32_to_cpu(cck->sent_ba_rsp_cnt),
942 accum_cck->sent_ba_rsp_cnt,
943 delta_cck->sent_ba_rsp_cnt,
944 max_cck->sent_ba_rsp_cnt);
945 pos += scnprintf(buf + pos, bufsz - pos,
946 fmt_table, "dsp_self_kill:",
947 le32_to_cpu(cck->dsp_self_kill),
948 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
949 max_cck->dsp_self_kill);
950 pos += scnprintf(buf + pos, bufsz - pos,
951 fmt_table, "mh_format_err:",
952 le32_to_cpu(cck->mh_format_err),
953 accum_cck->mh_format_err, delta_cck->mh_format_err,
954 max_cck->mh_format_err);
955 pos += scnprintf(buf + pos, bufsz - pos,
956 fmt_table, "re_acq_main_rssi_sum:",
957 le32_to_cpu(cck->re_acq_main_rssi_sum),
958 accum_cck->re_acq_main_rssi_sum,
959 delta_cck->re_acq_main_rssi_sum,
960 max_cck->re_acq_main_rssi_sum);
962 pos += scnprintf(buf + pos, bufsz - pos,
963 fmt_header, "Statistics_Rx - GENERAL:");
964 pos += scnprintf(buf + pos, bufsz - pos,
965 fmt_table, "bogus_cts:",
966 le32_to_cpu(general->bogus_cts),
967 accum_general->bogus_cts, delta_general->bogus_cts,
968 max_general->bogus_cts);
969 pos += scnprintf(buf + pos, bufsz - pos,
970 fmt_table, "bogus_ack:",
971 le32_to_cpu(general->bogus_ack),
972 accum_general->bogus_ack, delta_general->bogus_ack,
973 max_general->bogus_ack);
974 pos += scnprintf(buf + pos, bufsz - pos,
975 fmt_table, "non_bssid_frames:",
976 le32_to_cpu(general->non_bssid_frames),
977 accum_general->non_bssid_frames,
978 delta_general->non_bssid_frames,
979 max_general->non_bssid_frames);
980 pos += scnprintf(buf + pos, bufsz - pos,
981 fmt_table, "filtered_frames:",
982 le32_to_cpu(general->filtered_frames),
983 accum_general->filtered_frames,
984 delta_general->filtered_frames,
985 max_general->filtered_frames);
986 pos += scnprintf(buf + pos, bufsz - pos,
987 fmt_table, "non_channel_beacons:",
988 le32_to_cpu(general->non_channel_beacons),
989 accum_general->non_channel_beacons,
990 delta_general->non_channel_beacons,
991 max_general->non_channel_beacons);
992 pos += scnprintf(buf + pos, bufsz - pos,
993 fmt_table, "channel_beacons:",
994 le32_to_cpu(general->channel_beacons),
995 accum_general->channel_beacons,
996 delta_general->channel_beacons,
997 max_general->channel_beacons);
998 pos += scnprintf(buf + pos, bufsz - pos,
999 fmt_table, "num_missed_bcon:",
1000 le32_to_cpu(general->num_missed_bcon),
1001 accum_general->num_missed_bcon,
1002 delta_general->num_missed_bcon,
1003 max_general->num_missed_bcon);
1004 pos += scnprintf(buf + pos, bufsz - pos,
1005 fmt_table, "adc_rx_saturation_time:",
1006 le32_to_cpu(general->adc_rx_saturation_time),
1007 accum_general->adc_rx_saturation_time,
1008 delta_general->adc_rx_saturation_time,
1009 max_general->adc_rx_saturation_time);
1010 pos += scnprintf(buf + pos, bufsz - pos,
1011 fmt_table, "ina_detect_search_tm:",
1012 le32_to_cpu(general->ina_detection_search_time),
1013 accum_general->ina_detection_search_time,
1014 delta_general->ina_detection_search_time,
1015 max_general->ina_detection_search_time);
1016 pos += scnprintf(buf + pos, bufsz - pos,
1017 fmt_table, "beacon_silence_rssi_a:",
1018 le32_to_cpu(general->beacon_silence_rssi_a),
1019 accum_general->beacon_silence_rssi_a,
1020 delta_general->beacon_silence_rssi_a,
1021 max_general->beacon_silence_rssi_a);
1022 pos += scnprintf(buf + pos, bufsz - pos,
1023 fmt_table, "beacon_silence_rssi_b:",
1024 le32_to_cpu(general->beacon_silence_rssi_b),
1025 accum_general->beacon_silence_rssi_b,
1026 delta_general->beacon_silence_rssi_b,
1027 max_general->beacon_silence_rssi_b);
1028 pos += scnprintf(buf + pos, bufsz - pos,
1029 fmt_table, "beacon_silence_rssi_c:",
1030 le32_to_cpu(general->beacon_silence_rssi_c),
1031 accum_general->beacon_silence_rssi_c,
1032 delta_general->beacon_silence_rssi_c,
1033 max_general->beacon_silence_rssi_c);
1034 pos += scnprintf(buf + pos, bufsz - pos,
1035 fmt_table, "interference_data_flag:",
1036 le32_to_cpu(general->interference_data_flag),
1037 accum_general->interference_data_flag,
1038 delta_general->interference_data_flag,
1039 max_general->interference_data_flag);
1040 pos += scnprintf(buf + pos, bufsz - pos,
1041 fmt_table, "channel_load:",
1042 le32_to_cpu(general->channel_load),
1043 accum_general->channel_load,
1044 delta_general->channel_load,
1045 max_general->channel_load);
1046 pos += scnprintf(buf + pos, bufsz - pos,
1047 fmt_table, "dsp_false_alarms:",
1048 le32_to_cpu(general->dsp_false_alarms),
1049 accum_general->dsp_false_alarms,
1050 delta_general->dsp_false_alarms,
1051 max_general->dsp_false_alarms);
1052 pos += scnprintf(buf + pos, bufsz - pos,
1053 fmt_table, "beacon_rssi_a:",
1054 le32_to_cpu(general->beacon_rssi_a),
1055 accum_general->beacon_rssi_a,
1056 delta_general->beacon_rssi_a,
1057 max_general->beacon_rssi_a);
1058 pos += scnprintf(buf + pos, bufsz - pos,
1059 fmt_table, "beacon_rssi_b:",
1060 le32_to_cpu(general->beacon_rssi_b),
1061 accum_general->beacon_rssi_b,
1062 delta_general->beacon_rssi_b,
1063 max_general->beacon_rssi_b);
1064 pos += scnprintf(buf + pos, bufsz - pos,
1065 fmt_table, "beacon_rssi_c:",
1066 le32_to_cpu(general->beacon_rssi_c),
1067 accum_general->beacon_rssi_c,
1068 delta_general->beacon_rssi_c,
1069 max_general->beacon_rssi_c);
1070 pos += scnprintf(buf + pos, bufsz - pos,
1071 fmt_table, "beacon_energy_a:",
1072 le32_to_cpu(general->beacon_energy_a),
1073 accum_general->beacon_energy_a,
1074 delta_general->beacon_energy_a,
1075 max_general->beacon_energy_a);
1076 pos += scnprintf(buf + pos, bufsz - pos,
1077 fmt_table, "beacon_energy_b:",
1078 le32_to_cpu(general->beacon_energy_b),
1079 accum_general->beacon_energy_b,
1080 delta_general->beacon_energy_b,
1081 max_general->beacon_energy_b);
1082 pos += scnprintf(buf + pos, bufsz - pos,
1083 fmt_table, "beacon_energy_c:",
1084 le32_to_cpu(general->beacon_energy_c),
1085 accum_general->beacon_energy_c,
1086 delta_general->beacon_energy_c,
1087 max_general->beacon_energy_c);
1089 pos += scnprintf(buf + pos, bufsz - pos,
1090 fmt_header, "Statistics_Rx - OFDM_HT:");
1091 pos += scnprintf(buf + pos, bufsz - pos,
1092 fmt_table, "plcp_err:",
1093 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1094 delta_ht->plcp_err, max_ht->plcp_err);
1095 pos += scnprintf(buf + pos, bufsz - pos,
1096 fmt_table, "overrun_err:",
1097 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1098 delta_ht->overrun_err, max_ht->overrun_err);
1099 pos += scnprintf(buf + pos, bufsz - pos,
1100 fmt_table, "early_overrun_err:",
1101 le32_to_cpu(ht->early_overrun_err),
1102 accum_ht->early_overrun_err,
1103 delta_ht->early_overrun_err,
1104 max_ht->early_overrun_err);
1105 pos += scnprintf(buf + pos, bufsz - pos,
1106 fmt_table, "crc32_good:",
1107 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1108 delta_ht->crc32_good, max_ht->crc32_good);
1109 pos += scnprintf(buf + pos, bufsz - pos,
1110 fmt_table, "crc32_err:",
1111 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1112 delta_ht->crc32_err, max_ht->crc32_err);
1113 pos += scnprintf(buf + pos, bufsz - pos,
1114 fmt_table, "mh_format_err:",
1115 le32_to_cpu(ht->mh_format_err),
1116 accum_ht->mh_format_err,
1117 delta_ht->mh_format_err, max_ht->mh_format_err);
1118 pos += scnprintf(buf + pos, bufsz - pos,
1119 fmt_table, "agg_crc32_good:",
1120 le32_to_cpu(ht->agg_crc32_good),
1121 accum_ht->agg_crc32_good,
1122 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1123 pos += scnprintf(buf + pos, bufsz - pos,
1124 fmt_table, "agg_mpdu_cnt:",
1125 le32_to_cpu(ht->agg_mpdu_cnt),
1126 accum_ht->agg_mpdu_cnt,
1127 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1128 pos += scnprintf(buf + pos, bufsz - pos,
1129 fmt_table, "agg_cnt:",
1130 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1131 delta_ht->agg_cnt, max_ht->agg_cnt);
1132 pos += scnprintf(buf + pos, bufsz - pos,
1133 fmt_table, "unsupport_mcs:",
1134 le32_to_cpu(ht->unsupport_mcs),
1135 accum_ht->unsupport_mcs,
1136 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1138 spin_unlock_bh(&priv->statistics.lock);
1140 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1145 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1146 char __user *user_buf,
1147 size_t count, loff_t *ppos)
1149 struct iwl_priv *priv = file->private_data;
1152 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1154 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1156 if (!iwl_is_alive(priv))
1159 buf = kzalloc(bufsz, GFP_KERNEL);
1163 /* the statistic information display here is based on
1164 * the last statistics notification from uCode
1165 * might not reflect the current uCode activity
1167 spin_lock_bh(&priv->statistics.lock);
1169 tx = &priv->statistics.tx;
1170 accum_tx = &priv->accum_stats.tx;
1171 delta_tx = &priv->delta_stats.tx;
1172 max_tx = &priv->max_delta_stats.tx;
1174 pos += iwl_statistics_flag(priv, buf, bufsz);
1175 pos += scnprintf(buf + pos, bufsz - pos,
1176 fmt_header, "Statistics_Tx:");
1177 pos += scnprintf(buf + pos, bufsz - pos,
1178 fmt_table, "preamble:",
1179 le32_to_cpu(tx->preamble_cnt),
1180 accum_tx->preamble_cnt,
1181 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1182 pos += scnprintf(buf + pos, bufsz - pos,
1183 fmt_table, "rx_detected_cnt:",
1184 le32_to_cpu(tx->rx_detected_cnt),
1185 accum_tx->rx_detected_cnt,
1186 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1187 pos += scnprintf(buf + pos, bufsz - pos,
1188 fmt_table, "bt_prio_defer_cnt:",
1189 le32_to_cpu(tx->bt_prio_defer_cnt),
1190 accum_tx->bt_prio_defer_cnt,
1191 delta_tx->bt_prio_defer_cnt,
1192 max_tx->bt_prio_defer_cnt);
1193 pos += scnprintf(buf + pos, bufsz - pos,
1194 fmt_table, "bt_prio_kill_cnt:",
1195 le32_to_cpu(tx->bt_prio_kill_cnt),
1196 accum_tx->bt_prio_kill_cnt,
1197 delta_tx->bt_prio_kill_cnt,
1198 max_tx->bt_prio_kill_cnt);
1199 pos += scnprintf(buf + pos, bufsz - pos,
1200 fmt_table, "few_bytes_cnt:",
1201 le32_to_cpu(tx->few_bytes_cnt),
1202 accum_tx->few_bytes_cnt,
1203 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1204 pos += scnprintf(buf + pos, bufsz - pos,
1205 fmt_table, "cts_timeout:",
1206 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1207 delta_tx->cts_timeout, max_tx->cts_timeout);
1208 pos += scnprintf(buf + pos, bufsz - pos,
1209 fmt_table, "ack_timeout:",
1210 le32_to_cpu(tx->ack_timeout),
1211 accum_tx->ack_timeout,
1212 delta_tx->ack_timeout, max_tx->ack_timeout);
1213 pos += scnprintf(buf + pos, bufsz - pos,
1214 fmt_table, "expected_ack_cnt:",
1215 le32_to_cpu(tx->expected_ack_cnt),
1216 accum_tx->expected_ack_cnt,
1217 delta_tx->expected_ack_cnt,
1218 max_tx->expected_ack_cnt);
1219 pos += scnprintf(buf + pos, bufsz - pos,
1220 fmt_table, "actual_ack_cnt:",
1221 le32_to_cpu(tx->actual_ack_cnt),
1222 accum_tx->actual_ack_cnt,
1223 delta_tx->actual_ack_cnt,
1224 max_tx->actual_ack_cnt);
1225 pos += scnprintf(buf + pos, bufsz - pos,
1226 fmt_table, "dump_msdu_cnt:",
1227 le32_to_cpu(tx->dump_msdu_cnt),
1228 accum_tx->dump_msdu_cnt,
1229 delta_tx->dump_msdu_cnt,
1230 max_tx->dump_msdu_cnt);
1231 pos += scnprintf(buf + pos, bufsz - pos,
1232 fmt_table, "abort_nxt_frame_mismatch:",
1233 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1234 accum_tx->burst_abort_next_frame_mismatch_cnt,
1235 delta_tx->burst_abort_next_frame_mismatch_cnt,
1236 max_tx->burst_abort_next_frame_mismatch_cnt);
1237 pos += scnprintf(buf + pos, bufsz - pos,
1238 fmt_table, "abort_missing_nxt_frame:",
1239 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1240 accum_tx->burst_abort_missing_next_frame_cnt,
1241 delta_tx->burst_abort_missing_next_frame_cnt,
1242 max_tx->burst_abort_missing_next_frame_cnt);
1243 pos += scnprintf(buf + pos, bufsz - pos,
1244 fmt_table, "cts_timeout_collision:",
1245 le32_to_cpu(tx->cts_timeout_collision),
1246 accum_tx->cts_timeout_collision,
1247 delta_tx->cts_timeout_collision,
1248 max_tx->cts_timeout_collision);
1249 pos += scnprintf(buf + pos, bufsz - pos,
1250 fmt_table, "ack_ba_timeout_collision:",
1251 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1252 accum_tx->ack_or_ba_timeout_collision,
1253 delta_tx->ack_or_ba_timeout_collision,
1254 max_tx->ack_or_ba_timeout_collision);
1255 pos += scnprintf(buf + pos, bufsz - pos,
1256 fmt_table, "agg ba_timeout:",
1257 le32_to_cpu(tx->agg.ba_timeout),
1258 accum_tx->agg.ba_timeout,
1259 delta_tx->agg.ba_timeout,
1260 max_tx->agg.ba_timeout);
1261 pos += scnprintf(buf + pos, bufsz - pos,
1262 fmt_table, "agg ba_resched_frames:",
1263 le32_to_cpu(tx->agg.ba_reschedule_frames),
1264 accum_tx->agg.ba_reschedule_frames,
1265 delta_tx->agg.ba_reschedule_frames,
1266 max_tx->agg.ba_reschedule_frames);
1267 pos += scnprintf(buf + pos, bufsz - pos,
1268 fmt_table, "agg scd_query_agg_frame:",
1269 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1270 accum_tx->agg.scd_query_agg_frame_cnt,
1271 delta_tx->agg.scd_query_agg_frame_cnt,
1272 max_tx->agg.scd_query_agg_frame_cnt);
1273 pos += scnprintf(buf + pos, bufsz - pos,
1274 fmt_table, "agg scd_query_no_agg:",
1275 le32_to_cpu(tx->agg.scd_query_no_agg),
1276 accum_tx->agg.scd_query_no_agg,
1277 delta_tx->agg.scd_query_no_agg,
1278 max_tx->agg.scd_query_no_agg);
1279 pos += scnprintf(buf + pos, bufsz - pos,
1280 fmt_table, "agg scd_query_agg:",
1281 le32_to_cpu(tx->agg.scd_query_agg),
1282 accum_tx->agg.scd_query_agg,
1283 delta_tx->agg.scd_query_agg,
1284 max_tx->agg.scd_query_agg);
1285 pos += scnprintf(buf + pos, bufsz - pos,
1286 fmt_table, "agg scd_query_mismatch:",
1287 le32_to_cpu(tx->agg.scd_query_mismatch),
1288 accum_tx->agg.scd_query_mismatch,
1289 delta_tx->agg.scd_query_mismatch,
1290 max_tx->agg.scd_query_mismatch);
1291 pos += scnprintf(buf + pos, bufsz - pos,
1292 fmt_table, "agg frame_not_ready:",
1293 le32_to_cpu(tx->agg.frame_not_ready),
1294 accum_tx->agg.frame_not_ready,
1295 delta_tx->agg.frame_not_ready,
1296 max_tx->agg.frame_not_ready);
1297 pos += scnprintf(buf + pos, bufsz - pos,
1298 fmt_table, "agg underrun:",
1299 le32_to_cpu(tx->agg.underrun),
1300 accum_tx->agg.underrun,
1301 delta_tx->agg.underrun, max_tx->agg.underrun);
1302 pos += scnprintf(buf + pos, bufsz - pos,
1303 fmt_table, "agg bt_prio_kill:",
1304 le32_to_cpu(tx->agg.bt_prio_kill),
1305 accum_tx->agg.bt_prio_kill,
1306 delta_tx->agg.bt_prio_kill,
1307 max_tx->agg.bt_prio_kill);
1308 pos += scnprintf(buf + pos, bufsz - pos,
1309 fmt_table, "agg rx_ba_rsp_cnt:",
1310 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1311 accum_tx->agg.rx_ba_rsp_cnt,
1312 delta_tx->agg.rx_ba_rsp_cnt,
1313 max_tx->agg.rx_ba_rsp_cnt);
1315 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1316 pos += scnprintf(buf + pos, bufsz - pos,
1317 "tx power: (1/2 dB step)\n");
1318 if ((priv->nvm_data->valid_tx_ant & ANT_A) &&
1320 pos += scnprintf(buf + pos, bufsz - pos,
1321 fmt_hex, "antenna A:",
1322 tx->tx_power.ant_a);
1323 if ((priv->nvm_data->valid_tx_ant & ANT_B) &&
1325 pos += scnprintf(buf + pos, bufsz - pos,
1326 fmt_hex, "antenna B:",
1327 tx->tx_power.ant_b);
1328 if ((priv->nvm_data->valid_tx_ant & ANT_C) &&
1330 pos += scnprintf(buf + pos, bufsz - pos,
1331 fmt_hex, "antenna C:",
1332 tx->tx_power.ant_c);
1335 spin_unlock_bh(&priv->statistics.lock);
1337 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1342 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1343 char __user *user_buf,
1344 size_t count, loff_t *ppos)
1346 struct iwl_priv *priv = file->private_data;
1349 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1351 struct statistics_general_common *general, *accum_general;
1352 struct statistics_general_common *delta_general, *max_general;
1353 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1354 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1356 if (!iwl_is_alive(priv))
1359 buf = kzalloc(bufsz, GFP_KERNEL);
1363 /* the statistic information display here is based on
1364 * the last statistics notification from uCode
1365 * might not reflect the current uCode activity
1368 spin_lock_bh(&priv->statistics.lock);
1370 general = &priv->statistics.common;
1371 dbg = &priv->statistics.common.dbg;
1372 div = &priv->statistics.common.div;
1373 accum_general = &priv->accum_stats.common;
1374 accum_dbg = &priv->accum_stats.common.dbg;
1375 accum_div = &priv->accum_stats.common.div;
1376 delta_general = &priv->delta_stats.common;
1377 max_general = &priv->max_delta_stats.common;
1378 delta_dbg = &priv->delta_stats.common.dbg;
1379 max_dbg = &priv->max_delta_stats.common.dbg;
1380 delta_div = &priv->delta_stats.common.div;
1381 max_div = &priv->max_delta_stats.common.div;
1383 pos += iwl_statistics_flag(priv, buf, bufsz);
1384 pos += scnprintf(buf + pos, bufsz - pos,
1385 fmt_header, "Statistics_General:");
1386 pos += scnprintf(buf + pos, bufsz - pos,
1387 fmt_value, "temperature:",
1388 le32_to_cpu(general->temperature));
1389 pos += scnprintf(buf + pos, bufsz - pos,
1390 fmt_value, "temperature_m:",
1391 le32_to_cpu(general->temperature_m));
1392 pos += scnprintf(buf + pos, bufsz - pos,
1393 fmt_value, "ttl_timestamp:",
1394 le32_to_cpu(general->ttl_timestamp));
1395 pos += scnprintf(buf + pos, bufsz - pos,
1396 fmt_table, "burst_check:",
1397 le32_to_cpu(dbg->burst_check),
1398 accum_dbg->burst_check,
1399 delta_dbg->burst_check, max_dbg->burst_check);
1400 pos += scnprintf(buf + pos, bufsz - pos,
1401 fmt_table, "burst_count:",
1402 le32_to_cpu(dbg->burst_count),
1403 accum_dbg->burst_count,
1404 delta_dbg->burst_count, max_dbg->burst_count);
1405 pos += scnprintf(buf + pos, bufsz - pos,
1406 fmt_table, "wait_for_silence_timeout_count:",
1407 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1408 accum_dbg->wait_for_silence_timeout_cnt,
1409 delta_dbg->wait_for_silence_timeout_cnt,
1410 max_dbg->wait_for_silence_timeout_cnt);
1411 pos += scnprintf(buf + pos, bufsz - pos,
1412 fmt_table, "sleep_time:",
1413 le32_to_cpu(general->sleep_time),
1414 accum_general->sleep_time,
1415 delta_general->sleep_time, max_general->sleep_time);
1416 pos += scnprintf(buf + pos, bufsz - pos,
1417 fmt_table, "slots_out:",
1418 le32_to_cpu(general->slots_out),
1419 accum_general->slots_out,
1420 delta_general->slots_out, max_general->slots_out);
1421 pos += scnprintf(buf + pos, bufsz - pos,
1422 fmt_table, "slots_idle:",
1423 le32_to_cpu(general->slots_idle),
1424 accum_general->slots_idle,
1425 delta_general->slots_idle, max_general->slots_idle);
1426 pos += scnprintf(buf + pos, bufsz - pos,
1427 fmt_table, "tx_on_a:",
1428 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1429 delta_div->tx_on_a, max_div->tx_on_a);
1430 pos += scnprintf(buf + pos, bufsz - pos,
1431 fmt_table, "tx_on_b:",
1432 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1433 delta_div->tx_on_b, max_div->tx_on_b);
1434 pos += scnprintf(buf + pos, bufsz - pos,
1435 fmt_table, "exec_time:",
1436 le32_to_cpu(div->exec_time), accum_div->exec_time,
1437 delta_div->exec_time, max_div->exec_time);
1438 pos += scnprintf(buf + pos, bufsz - pos,
1439 fmt_table, "probe_time:",
1440 le32_to_cpu(div->probe_time), accum_div->probe_time,
1441 delta_div->probe_time, max_div->probe_time);
1442 pos += scnprintf(buf + pos, bufsz - pos,
1443 fmt_table, "rx_enable_counter:",
1444 le32_to_cpu(general->rx_enable_counter),
1445 accum_general->rx_enable_counter,
1446 delta_general->rx_enable_counter,
1447 max_general->rx_enable_counter);
1448 pos += scnprintf(buf + pos, bufsz - pos,
1449 fmt_table, "num_of_sos_states:",
1450 le32_to_cpu(general->num_of_sos_states),
1451 accum_general->num_of_sos_states,
1452 delta_general->num_of_sos_states,
1453 max_general->num_of_sos_states);
1455 spin_unlock_bh(&priv->statistics.lock);
1457 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1462 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1463 char __user *user_buf,
1464 size_t count, loff_t *ppos)
1466 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1469 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1471 struct statistics_bt_activity *bt, *accum_bt;
1473 if (!iwl_is_alive(priv))
1476 if (!priv->bt_enable_flag)
1479 /* make request to uCode to retrieve statistics information */
1480 mutex_lock(&priv->mutex);
1481 ret = iwl_send_statistics_request(priv, 0, false);
1482 mutex_unlock(&priv->mutex);
1486 buf = kzalloc(bufsz, GFP_KERNEL);
1491 * the statistic information display here is based on
1492 * the last statistics notification from uCode
1493 * might not reflect the current uCode activity
1496 spin_lock_bh(&priv->statistics.lock);
1498 bt = &priv->statistics.bt_activity;
1499 accum_bt = &priv->accum_stats.bt_activity;
1501 pos += iwl_statistics_flag(priv, buf, bufsz);
1502 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1503 pos += scnprintf(buf + pos, bufsz - pos,
1504 "\t\t\tcurrent\t\t\taccumulative\n");
1505 pos += scnprintf(buf + pos, bufsz - pos,
1506 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1507 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1508 accum_bt->hi_priority_tx_req_cnt);
1509 pos += scnprintf(buf + pos, bufsz - pos,
1510 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1511 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1512 accum_bt->hi_priority_tx_denied_cnt);
1513 pos += scnprintf(buf + pos, bufsz - pos,
1514 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1515 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1516 accum_bt->lo_priority_tx_req_cnt);
1517 pos += scnprintf(buf + pos, bufsz - pos,
1518 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1519 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1520 accum_bt->lo_priority_tx_denied_cnt);
1521 pos += scnprintf(buf + pos, bufsz - pos,
1522 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1523 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1524 accum_bt->hi_priority_rx_req_cnt);
1525 pos += scnprintf(buf + pos, bufsz - pos,
1526 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1527 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1528 accum_bt->hi_priority_rx_denied_cnt);
1529 pos += scnprintf(buf + pos, bufsz - pos,
1530 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1531 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1532 accum_bt->lo_priority_rx_req_cnt);
1533 pos += scnprintf(buf + pos, bufsz - pos,
1534 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1535 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1536 accum_bt->lo_priority_rx_denied_cnt);
1538 pos += scnprintf(buf + pos, bufsz - pos,
1539 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1540 le32_to_cpu(priv->statistics.num_bt_kills),
1541 priv->statistics.accum_num_bt_kills);
1543 spin_unlock_bh(&priv->statistics.lock);
1545 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1550 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1551 char __user *user_buf,
1552 size_t count, loff_t *ppos)
1554 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1557 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1558 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1561 if (!iwl_is_alive(priv))
1564 buf = kzalloc(bufsz, GFP_KERNEL);
1568 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1569 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1570 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1571 priv->reply_tx_stats.pp_delay);
1572 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1573 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1574 priv->reply_tx_stats.pp_few_bytes);
1575 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1576 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1577 priv->reply_tx_stats.pp_bt_prio);
1578 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1579 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1580 priv->reply_tx_stats.pp_quiet_period);
1581 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1582 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1583 priv->reply_tx_stats.pp_calc_ttak);
1584 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1585 iwl_get_tx_fail_reason(
1586 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1587 priv->reply_tx_stats.int_crossed_retry);
1588 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1589 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1590 priv->reply_tx_stats.short_limit);
1591 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1592 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1593 priv->reply_tx_stats.long_limit);
1594 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1595 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1596 priv->reply_tx_stats.fifo_underrun);
1597 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1598 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1599 priv->reply_tx_stats.drain_flow);
1600 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1601 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1602 priv->reply_tx_stats.rfkill_flush);
1603 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1604 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1605 priv->reply_tx_stats.life_expire);
1606 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1607 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1608 priv->reply_tx_stats.dest_ps);
1609 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1610 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1611 priv->reply_tx_stats.host_abort);
1612 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1613 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1614 priv->reply_tx_stats.pp_delay);
1615 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1616 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1617 priv->reply_tx_stats.sta_invalid);
1618 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1619 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1620 priv->reply_tx_stats.frag_drop);
1621 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1622 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1623 priv->reply_tx_stats.tid_disable);
1624 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1625 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1626 priv->reply_tx_stats.fifo_flush);
1627 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1628 iwl_get_tx_fail_reason(
1629 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1630 priv->reply_tx_stats.insuff_cf_poll);
1631 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1632 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1633 priv->reply_tx_stats.fail_hw_drop);
1634 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1635 iwl_get_tx_fail_reason(
1636 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1637 priv->reply_tx_stats.sta_color_mismatch);
1638 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1639 priv->reply_tx_stats.unknown);
1641 pos += scnprintf(buf + pos, bufsz - pos,
1642 "\nStatistics_Agg_TX_Error:\n");
1644 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1645 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1646 priv->reply_agg_tx_stats.underrun);
1647 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1648 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1649 priv->reply_agg_tx_stats.bt_prio);
1650 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1651 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1652 priv->reply_agg_tx_stats.few_bytes);
1653 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1654 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1655 priv->reply_agg_tx_stats.abort);
1656 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1657 iwl_get_agg_tx_fail_reason(
1658 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1659 priv->reply_agg_tx_stats.last_sent_ttl);
1660 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1661 iwl_get_agg_tx_fail_reason(
1662 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1663 priv->reply_agg_tx_stats.last_sent_try);
1664 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1665 iwl_get_agg_tx_fail_reason(
1666 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1667 priv->reply_agg_tx_stats.last_sent_bt_kill);
1668 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1669 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1670 priv->reply_agg_tx_stats.scd_query);
1671 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1672 iwl_get_agg_tx_fail_reason(
1673 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1674 priv->reply_agg_tx_stats.bad_crc32);
1675 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1676 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1677 priv->reply_agg_tx_stats.response);
1678 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1679 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1680 priv->reply_agg_tx_stats.dump_tx);
1681 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1682 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1683 priv->reply_agg_tx_stats.delay_tx);
1684 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1685 priv->reply_agg_tx_stats.unknown);
1687 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1692 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1693 char __user *user_buf,
1694 size_t count, loff_t *ppos) {
1696 struct iwl_priv *priv = file->private_data;
1700 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1702 struct iwl_sensitivity_data *data;
1704 data = &priv->sensitivity_data;
1705 buf = kzalloc(bufsz, GFP_KERNEL);
1709 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1710 data->auto_corr_ofdm);
1711 pos += scnprintf(buf + pos, bufsz - pos,
1712 "auto_corr_ofdm_mrc:\t\t %u\n",
1713 data->auto_corr_ofdm_mrc);
1714 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1715 data->auto_corr_ofdm_x1);
1716 pos += scnprintf(buf + pos, bufsz - pos,
1717 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1718 data->auto_corr_ofdm_mrc_x1);
1719 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1720 data->auto_corr_cck);
1721 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1722 data->auto_corr_cck_mrc);
1723 pos += scnprintf(buf + pos, bufsz - pos,
1724 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1725 data->last_bad_plcp_cnt_ofdm);
1726 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1727 data->last_fa_cnt_ofdm);
1728 pos += scnprintf(buf + pos, bufsz - pos,
1729 "last_bad_plcp_cnt_cck:\t\t %u\n",
1730 data->last_bad_plcp_cnt_cck);
1731 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1732 data->last_fa_cnt_cck);
1733 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1734 data->nrg_curr_state);
1735 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1736 data->nrg_prev_state);
1737 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1738 for (cnt = 0; cnt < 10; cnt++) {
1739 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1740 data->nrg_value[cnt]);
1742 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1743 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1744 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1745 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1746 data->nrg_silence_rssi[cnt]);
1748 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1749 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1750 data->nrg_silence_ref);
1751 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1752 data->nrg_energy_idx);
1753 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1754 data->nrg_silence_idx);
1755 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1757 pos += scnprintf(buf + pos, bufsz - pos,
1758 "nrg_auto_corr_silence_diff:\t %u\n",
1759 data->nrg_auto_corr_silence_diff);
1760 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1761 data->num_in_cck_no_fa);
1762 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1765 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1771 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1772 char __user *user_buf,
1773 size_t count, loff_t *ppos) {
1775 struct iwl_priv *priv = file->private_data;
1779 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1781 struct iwl_chain_noise_data *data;
1783 data = &priv->chain_noise_data;
1784 buf = kzalloc(bufsz, GFP_KERNEL);
1788 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1789 data->active_chains);
1790 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1791 data->chain_noise_a);
1792 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1793 data->chain_noise_b);
1794 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1795 data->chain_noise_c);
1796 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1797 data->chain_signal_a);
1798 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1799 data->chain_signal_b);
1800 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1801 data->chain_signal_c);
1802 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1803 data->beacon_count);
1805 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1806 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1807 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1808 data->disconn_array[cnt]);
1810 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1811 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1812 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1813 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1814 data->delta_gain_code[cnt]);
1816 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1817 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1819 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1822 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1827 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1828 char __user *user_buf,
1829 size_t count, loff_t *ppos)
1831 struct iwl_priv *priv = file->private_data;
1834 const size_t bufsz = sizeof(buf);
1837 pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) &
1838 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1840 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1841 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1842 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1843 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1844 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1847 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1850 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1851 const char __user *user_buf,
1852 size_t count, loff_t *ppos)
1854 struct iwl_priv *priv = file->private_data;
1859 memset(buf, 0, sizeof(buf));
1860 buf_size = min(count, sizeof(buf) - 1);
1861 if (copy_from_user(buf, user_buf, buf_size))
1863 if (sscanf(buf, "%d", &clear) != 1)
1866 /* make request to uCode to retrieve statistics information */
1867 mutex_lock(&priv->mutex);
1868 iwl_send_statistics_request(priv, 0, true);
1869 mutex_unlock(&priv->mutex);
1874 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1875 char __user *user_buf,
1876 size_t count, loff_t *ppos) {
1878 struct iwl_priv *priv = file->private_data;
1881 const size_t bufsz = sizeof(buf);
1883 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1884 priv->event_log.ucode_trace ? "On" : "Off");
1885 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1886 priv->event_log.non_wraps_count);
1887 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1888 priv->event_log.wraps_once_count);
1889 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1890 priv->event_log.wraps_more_count);
1892 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1895 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1896 const char __user *user_buf,
1897 size_t count, loff_t *ppos)
1899 struct iwl_priv *priv = file->private_data;
1904 memset(buf, 0, sizeof(buf));
1905 buf_size = min(count, sizeof(buf) - 1);
1906 if (copy_from_user(buf, user_buf, buf_size))
1908 if (sscanf(buf, "%d", &trace) != 1)
1912 priv->event_log.ucode_trace = true;
1913 if (iwl_is_alive(priv)) {
1914 /* start collecting data now */
1915 mod_timer(&priv->ucode_trace, jiffies);
1918 priv->event_log.ucode_trace = false;
1919 del_timer_sync(&priv->ucode_trace);
1925 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1926 char __user *user_buf,
1927 size_t count, loff_t *ppos) {
1929 struct iwl_priv *priv = file->private_data;
1933 len = sprintf(buf, "0x%04X\n",
1934 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
1935 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1938 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1939 char __user *user_buf,
1940 size_t count, loff_t *ppos) {
1942 struct iwl_priv *priv = file->private_data;
1946 len = sprintf(buf, "0x%04X\n",
1947 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
1948 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1951 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1952 char __user *user_buf,
1953 size_t count, loff_t *ppos) {
1955 struct iwl_priv *priv = file->private_data;
1958 const size_t bufsz = sizeof(buf);
1960 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1961 priv->missed_beacon_threshold);
1963 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1966 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1967 const char __user *user_buf,
1968 size_t count, loff_t *ppos)
1970 struct iwl_priv *priv = file->private_data;
1975 memset(buf, 0, sizeof(buf));
1976 buf_size = min(count, sizeof(buf) - 1);
1977 if (copy_from_user(buf, user_buf, buf_size))
1979 if (sscanf(buf, "%d", &missed) != 1)
1982 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
1983 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
1984 priv->missed_beacon_threshold =
1985 IWL_MISSED_BEACON_THRESHOLD_DEF;
1987 priv->missed_beacon_threshold = missed;
1992 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
1993 char __user *user_buf,
1994 size_t count, loff_t *ppos) {
1996 struct iwl_priv *priv = file->private_data;
1999 const size_t bufsz = sizeof(buf);
2001 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2002 priv->plcp_delta_threshold);
2004 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2007 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2008 const char __user *user_buf,
2009 size_t count, loff_t *ppos) {
2011 struct iwl_priv *priv = file->private_data;
2016 memset(buf, 0, sizeof(buf));
2017 buf_size = min(count, sizeof(buf) - 1);
2018 if (copy_from_user(buf, user_buf, buf_size))
2020 if (sscanf(buf, "%d", &plcp) != 1)
2022 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2023 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2024 priv->plcp_delta_threshold =
2025 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2027 priv->plcp_delta_threshold = plcp;
2031 static ssize_t iwl_dbgfs_rf_reset_read(struct file *file,
2032 char __user *user_buf,
2033 size_t count, loff_t *ppos)
2035 struct iwl_priv *priv = file->private_data;
2038 const size_t bufsz = sizeof(buf);
2039 struct iwl_rf_reset *rf_reset = &priv->rf_reset;
2041 pos += scnprintf(buf + pos, bufsz - pos,
2042 "RF reset statistics\n");
2043 pos += scnprintf(buf + pos, bufsz - pos,
2044 "\tnumber of reset request: %d\n",
2045 rf_reset->reset_request_count);
2046 pos += scnprintf(buf + pos, bufsz - pos,
2047 "\tnumber of reset request success: %d\n",
2048 rf_reset->reset_success_count);
2049 pos += scnprintf(buf + pos, bufsz - pos,
2050 "\tnumber of reset request reject: %d\n",
2051 rf_reset->reset_reject_count);
2053 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2056 static ssize_t iwl_dbgfs_rf_reset_write(struct file *file,
2057 const char __user *user_buf,
2058 size_t count, loff_t *ppos) {
2060 struct iwl_priv *priv = file->private_data;
2063 ret = iwl_force_rf_reset(priv, true);
2064 return ret ? ret : count;
2067 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2068 const char __user *user_buf,
2069 size_t count, loff_t *ppos) {
2071 struct iwl_priv *priv = file->private_data;
2076 memset(buf, 0, sizeof(buf));
2077 buf_size = min(count, sizeof(buf) - 1);
2078 if (copy_from_user(buf, user_buf, buf_size))
2080 if (sscanf(buf, "%d", &flush) != 1)
2083 if (iwl_is_rfkill(priv))
2086 iwlagn_dev_txfifo_flush(priv);
2091 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2092 char __user *user_buf,
2093 size_t count, loff_t *ppos) {
2095 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2098 const size_t bufsz = sizeof(buf);
2100 if (!priv->bt_enable_flag) {
2101 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2102 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2104 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2105 priv->bt_enable_flag);
2106 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2107 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2108 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2109 "last traffic notif: %d\n",
2110 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2111 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2112 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2113 priv->bt_ch_announce, priv->kill_ack_mask,
2114 priv->kill_cts_mask);
2116 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2117 switch (priv->bt_traffic_load) {
2118 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2119 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2121 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2122 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2124 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2125 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2127 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2129 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2133 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2136 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2137 char __user *user_buf,
2138 size_t count, loff_t *ppos)
2140 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2144 const size_t bufsz = sizeof(buf);
2146 if (priv->cfg->ht_params)
2147 pos += scnprintf(buf + pos, bufsz - pos,
2148 "use %s for aggregation\n",
2149 (priv->hw_params.use_rts_for_aggregation) ?
2150 "rts/cts" : "cts-to-self");
2152 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2154 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2157 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2158 const char __user *user_buf,
2159 size_t count, loff_t *ppos) {
2161 struct iwl_priv *priv = file->private_data;
2166 if (!priv->cfg->ht_params)
2169 memset(buf, 0, sizeof(buf));
2170 buf_size = min(count, sizeof(buf) - 1);
2171 if (copy_from_user(buf, user_buf, buf_size))
2173 if (sscanf(buf, "%d", &rts) != 1)
2176 priv->hw_params.use_rts_for_aggregation = true;
2178 priv->hw_params.use_rts_for_aggregation = false;
2182 static int iwl_cmd_echo_test(struct iwl_priv *priv)
2185 struct iwl_host_cmd cmd = {
2190 ret = iwl_dvm_send_cmd(priv, &cmd);
2192 IWL_ERR(priv, "echo testing fail: 0X%x\n", ret);
2194 IWL_DEBUG_INFO(priv, "echo testing pass\n");
2198 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2199 const char __user *user_buf,
2200 size_t count, loff_t *ppos)
2202 struct iwl_priv *priv = file->private_data;
2206 memset(buf, 0, sizeof(buf));
2207 buf_size = min(count, sizeof(buf) - 1);
2208 if (copy_from_user(buf, user_buf, buf_size))
2211 iwl_cmd_echo_test(priv);
2215 #ifdef CONFIG_IWLWIFI_DEBUG
2216 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
2217 char __user *user_buf,
2218 size_t count, loff_t *ppos)
2220 struct iwl_priv *priv = file->private_data;
2224 ret = iwl_dump_nic_event_log(priv, true, &buf);
2226 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
2231 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
2232 const char __user *user_buf,
2233 size_t count, loff_t *ppos)
2235 struct iwl_priv *priv = file->private_data;
2240 /* check that the interface is up */
2241 if (!iwl_is_ready(priv))
2244 memset(buf, 0, sizeof(buf));
2245 buf_size = min(count, sizeof(buf) - 1);
2246 if (copy_from_user(buf, user_buf, buf_size))
2248 if (sscanf(buf, "%d", &event_log_flag) != 1)
2250 if (event_log_flag == 1)
2251 iwl_dump_nic_event_log(priv, true, NULL);
2257 static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file,
2258 char __user *user_buf,
2259 size_t count, loff_t *ppos)
2261 struct iwl_priv *priv = file->private_data;
2264 const size_t bufsz = sizeof(buf);
2266 pos += scnprintf(buf + pos, bufsz - pos,
2267 "Sensitivity calibrations %s\n",
2268 (priv->calib_disabled &
2269 IWL_SENSITIVITY_CALIB_DISABLED) ?
2270 "DISABLED" : "ENABLED");
2271 pos += scnprintf(buf + pos, bufsz - pos,
2272 "Chain noise calibrations %s\n",
2273 (priv->calib_disabled &
2274 IWL_CHAIN_NOISE_CALIB_DISABLED) ?
2275 "DISABLED" : "ENABLED");
2276 pos += scnprintf(buf + pos, bufsz - pos,
2277 "Tx power calibrations %s\n",
2278 (priv->calib_disabled &
2279 IWL_TX_POWER_CALIB_DISABLED) ?
2280 "DISABLED" : "ENABLED");
2282 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2285 static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
2286 const char __user *user_buf,
2287 size_t count, loff_t *ppos)
2289 struct iwl_priv *priv = file->private_data;
2294 memset(buf, 0, sizeof(buf));
2295 buf_size = min(count, sizeof(buf) - 1);
2296 if (copy_from_user(buf, user_buf, buf_size))
2298 if (sscanf(buf, "%x", &calib_disabled) != 1)
2301 priv->calib_disabled = calib_disabled;
2306 static ssize_t iwl_dbgfs_fw_restart_write(struct file *file,
2307 const char __user *user_buf,
2308 size_t count, loff_t *ppos)
2310 struct iwl_priv *priv = file->private_data;
2311 bool fw_restart = iwlwifi_mod_params.fw_restart;
2312 int __maybe_unused ret;
2314 iwlwifi_mod_params.fw_restart = true;
2316 mutex_lock(&priv->mutex);
2318 /* take the return value to make compiler happy - it will fail anyway */
2319 ret = iwl_dvm_send_cmd_pdu(priv, REPLY_ERROR, 0, 0, NULL);
2321 mutex_unlock(&priv->mutex);
2323 iwlwifi_mod_params.fw_restart = fw_restart;
2328 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2329 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2330 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2331 DEBUGFS_READ_FILE_OPS(sensitivity);
2332 DEBUGFS_READ_FILE_OPS(chain_noise);
2333 DEBUGFS_READ_FILE_OPS(power_save_status);
2334 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2335 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2336 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2337 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2338 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset);
2339 DEBUGFS_READ_FILE_OPS(rxon_flags);
2340 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2341 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2342 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2343 DEBUGFS_READ_FILE_OPS(bt_traffic);
2344 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2345 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2346 DEBUGFS_WRITE_FILE_OPS(echo_test);
2347 DEBUGFS_WRITE_FILE_OPS(fw_restart);
2348 #ifdef CONFIG_IWLWIFI_DEBUG
2349 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
2351 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled);
2354 * Create the debugfs files and directories
2357 int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir)
2359 struct dentry *dir_data, *dir_rf, *dir_debug;
2361 priv->debugfs_dir = dbgfs_dir;
2363 dir_data = debugfs_create_dir("data", dbgfs_dir);
2366 dir_rf = debugfs_create_dir("rf", dbgfs_dir);
2369 dir_debug = debugfs_create_dir("debug", dbgfs_dir);
2373 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2374 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2375 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2376 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2377 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2378 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2379 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2380 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2381 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2382 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2383 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2384 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2385 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2387 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2388 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2389 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2390 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2391 DEBUGFS_ADD_FILE(rf_reset, dir_debug, S_IWUSR | S_IRUSR);
2392 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2393 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2394 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2395 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2396 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2397 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2398 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2399 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2400 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2401 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2402 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2403 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2404 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2405 DEBUGFS_ADD_FILE(fw_restart, dir_debug, S_IWUSR);
2406 #ifdef CONFIG_IWLWIFI_DEBUG
2407 DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR);
2410 if (iwl_advanced_bt_coexist(priv))
2411 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2413 /* Calibrations disabled/enabled status*/
2414 DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR);
2417 * Create a symlink with mac80211. This is not very robust, as it does
2418 * not remove the symlink created. The implicit assumption is that
2419 * when the opmode exits, mac80211 will also exit, and will remove
2420 * this symlink as part of its cleanup.
2422 if (priv->mac80211_registered) {
2424 struct dentry *mac80211_dir, *dev_dir;
2426 dev_dir = dbgfs_dir->d_parent;
2427 mac80211_dir = priv->hw->wiphy->debugfsdir;
2429 snprintf(buf, 100, "../../%pd2", dev_dir);
2431 if (!debugfs_create_symlink("iwlwifi", mac80211_dir, buf))
2438 IWL_ERR(priv, "failed to create the dvm debugfs entries\n");