1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *****************************************************************************/
67 struct iwl_dbgfs_mvm_ctx {
69 struct ieee80211_vif *vif;
72 static ssize_t iwl_dbgfs_tx_flush_write(struct file *file,
73 const char __user *user_buf,
74 size_t count, loff_t *ppos)
76 struct iwl_mvm *mvm = file->private_data;
82 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
85 memset(buf, 0, sizeof(buf));
86 buf_size = min(count, sizeof(buf) - 1);
87 if (copy_from_user(buf, user_buf, buf_size))
90 if (sscanf(buf, "%x", &scd_q_msk) != 1)
93 IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk);
95 mutex_lock(&mvm->mutex);
96 ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, true) ? : count;
97 mutex_unlock(&mvm->mutex);
102 static ssize_t iwl_dbgfs_sta_drain_write(struct file *file,
103 const char __user *user_buf,
104 size_t count, loff_t *ppos)
106 struct iwl_mvm *mvm = file->private_data;
107 struct ieee80211_sta *sta;
110 int buf_size, sta_id, drain, ret;
112 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR)
115 memset(buf, 0, sizeof(buf));
116 buf_size = min(count, sizeof(buf) - 1);
117 if (copy_from_user(buf, user_buf, buf_size))
120 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
123 mutex_lock(&mvm->mutex);
125 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
126 lockdep_is_held(&mvm->mutex));
127 if (IS_ERR_OR_NULL(sta))
130 ret = iwl_mvm_drain_sta(mvm, (void *)sta->drv_priv, drain) ? :
133 mutex_unlock(&mvm->mutex);
138 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
139 size_t count, loff_t *ppos)
141 struct iwl_mvm *mvm = file->private_data;
142 const struct fw_img *img;
143 int ofs, len, pos = 0;
148 if (!mvm->ucode_loaded)
151 /* default is to dump the entire data segment */
152 if (!mvm->dbgfs_sram_offset && !mvm->dbgfs_sram_len) {
153 img = &mvm->fw->img[mvm->cur_ucode];
154 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
155 len = img->sec[IWL_UCODE_SECTION_DATA].len;
157 ofs = mvm->dbgfs_sram_offset;
158 len = mvm->dbgfs_sram_len;
161 bufsz = len * 4 + 256;
162 buf = kzalloc(bufsz, GFP_KERNEL);
166 ptr = kzalloc(len, GFP_KERNEL);
172 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", len);
173 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", ofs);
175 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
176 for (ofs = 0; ofs < len; ofs += 16) {
177 pos += scnprintf(buf + pos, bufsz - pos, "0x%.4x ", ofs);
178 hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos,
180 pos += strlen(buf + pos);
185 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
193 static ssize_t iwl_dbgfs_sram_write(struct file *file,
194 const char __user *user_buf, size_t count,
197 struct iwl_mvm *mvm = file->private_data;
202 memset(buf, 0, sizeof(buf));
203 buf_size = min(count, sizeof(buf) - 1);
204 if (copy_from_user(buf, user_buf, buf_size))
207 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
208 if ((offset & 0x3) || (len & 0x3))
210 mvm->dbgfs_sram_offset = offset;
211 mvm->dbgfs_sram_len = len;
213 mvm->dbgfs_sram_offset = 0;
214 mvm->dbgfs_sram_len = 0;
220 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
221 size_t count, loff_t *ppos)
223 struct iwl_mvm *mvm = file->private_data;
224 struct ieee80211_sta *sta;
226 int i, pos = 0, bufsz = sizeof(buf);
228 mutex_lock(&mvm->mutex);
230 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
231 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
232 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
233 lockdep_is_held(&mvm->mutex));
235 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
236 else if (IS_ERR(sta))
237 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
240 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
244 mutex_unlock(&mvm->mutex);
246 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
249 static ssize_t iwl_dbgfs_power_down_allow_write(struct file *file,
250 const char __user *user_buf,
251 size_t count, loff_t *ppos)
253 struct iwl_mvm *mvm = file->private_data;
257 if (!mvm->ucode_loaded)
260 if (copy_from_user(buf, user_buf, sizeof(buf)))
263 if (sscanf(buf, "%d", &allow) != 1)
266 IWL_DEBUG_POWER(mvm, "%s device power down\n",
267 allow ? "allow" : "prevent");
270 * TODO: Send REPLY_DEBUG_CMD (0xf0) when FW support it
276 static ssize_t iwl_dbgfs_power_down_d3_allow_write(struct file *file,
277 const char __user *user_buf,
278 size_t count, loff_t *ppos)
280 struct iwl_mvm *mvm = file->private_data;
284 if (copy_from_user(buf, user_buf, sizeof(buf)))
287 if (sscanf(buf, "%d", &allow) != 1)
290 IWL_DEBUG_POWER(mvm, "%s device power down in d3\n",
291 allow ? "allow" : "prevent");
294 * TODO: When WoWLAN FW alive notification happens, driver will send
295 * REPLY_DEBUG_CMD setting power_down_allow flag according to
296 * mvm->prevent_power_down_d3
298 mvm->prevent_power_down_d3 = !allow;
303 static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
304 struct ieee80211_vif *vif,
305 enum iwl_dbgfs_pm_mask param, int val)
307 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
308 struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm;
310 dbgfs_pm->mask |= param;
313 case MVM_DEBUGFS_PM_KEEP_ALIVE: {
314 struct ieee80211_hw *hw = mvm->hw;
315 int dtimper = hw->conf.ps_dtim_period ?: 1;
316 int dtimper_msec = dtimper * vif->bss_conf.beacon_int;
318 IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val);
319 if (val * MSEC_PER_SEC < 3 * dtimper_msec) {
321 "debugfs: keep alive period (%ld msec) is less than minimum required (%d msec)\n",
322 val * MSEC_PER_SEC, 3 * dtimper_msec);
324 dbgfs_pm->keep_alive_seconds = val;
327 case MVM_DEBUGFS_PM_SKIP_OVER_DTIM:
328 IWL_DEBUG_POWER(mvm, "skip_over_dtim %s\n",
329 val ? "enabled" : "disabled");
330 dbgfs_pm->skip_over_dtim = val;
332 case MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS:
333 IWL_DEBUG_POWER(mvm, "skip_dtim_periods=%d\n", val);
334 dbgfs_pm->skip_dtim_periods = val;
336 case MVM_DEBUGFS_PM_RX_DATA_TIMEOUT:
337 IWL_DEBUG_POWER(mvm, "rx_data_timeout=%d\n", val);
338 dbgfs_pm->rx_data_timeout = val;
340 case MVM_DEBUGFS_PM_TX_DATA_TIMEOUT:
341 IWL_DEBUG_POWER(mvm, "tx_data_timeout=%d\n", val);
342 dbgfs_pm->tx_data_timeout = val;
344 case MVM_DEBUGFS_PM_DISABLE_POWER_OFF:
345 IWL_DEBUG_POWER(mvm, "disable_power_off=%d\n", val);
346 dbgfs_pm->disable_power_off = val;
347 case MVM_DEBUGFS_PM_LPRX_ENA:
348 IWL_DEBUG_POWER(mvm, "lprx %s\n", val ? "enabled" : "disabled");
349 dbgfs_pm->lprx_ena = val;
351 case MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD:
352 IWL_DEBUG_POWER(mvm, "lprx_rssi_threshold=%d\n", val);
353 dbgfs_pm->lprx_rssi_threshold = val;
355 case MVM_DEBUGFS_PM_SNOOZE_ENABLE:
356 IWL_DEBUG_POWER(mvm, "snooze_enable=%d\n", val);
357 dbgfs_pm->snooze_ena = val;
362 static ssize_t iwl_dbgfs_pm_params_write(struct file *file,
363 const char __user *user_buf,
364 size_t count, loff_t *ppos)
366 struct ieee80211_vif *vif = file->private_data;
367 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
368 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
369 enum iwl_dbgfs_pm_mask param;
374 if (copy_from_user(buf, user_buf, sizeof(buf)))
377 if (!strncmp("keep_alive=", buf, 11)) {
378 if (sscanf(buf + 11, "%d", &val) != 1)
380 param = MVM_DEBUGFS_PM_KEEP_ALIVE;
381 } else if (!strncmp("skip_over_dtim=", buf, 15)) {
382 if (sscanf(buf + 15, "%d", &val) != 1)
384 param = MVM_DEBUGFS_PM_SKIP_OVER_DTIM;
385 } else if (!strncmp("skip_dtim_periods=", buf, 18)) {
386 if (sscanf(buf + 18, "%d", &val) != 1)
388 param = MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS;
389 } else if (!strncmp("rx_data_timeout=", buf, 16)) {
390 if (sscanf(buf + 16, "%d", &val) != 1)
392 param = MVM_DEBUGFS_PM_RX_DATA_TIMEOUT;
393 } else if (!strncmp("tx_data_timeout=", buf, 16)) {
394 if (sscanf(buf + 16, "%d", &val) != 1)
396 param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT;
397 } else if (!strncmp("disable_power_off=", buf, 18)) {
398 if (sscanf(buf + 18, "%d", &val) != 1)
400 param = MVM_DEBUGFS_PM_DISABLE_POWER_OFF;
401 } else if (!strncmp("lprx=", buf, 5)) {
402 if (sscanf(buf + 5, "%d", &val) != 1)
404 param = MVM_DEBUGFS_PM_LPRX_ENA;
405 } else if (!strncmp("lprx_rssi_threshold=", buf, 20)) {
406 if (sscanf(buf + 20, "%d", &val) != 1)
408 if (val > POWER_LPRX_RSSI_THRESHOLD_MAX || val <
409 POWER_LPRX_RSSI_THRESHOLD_MIN)
411 param = MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD;
412 } else if (!strncmp("snooze_enable=", buf, 14)) {
413 if (sscanf(buf + 14, "%d", &val) != 1)
415 param = MVM_DEBUGFS_PM_SNOOZE_ENABLE;
420 mutex_lock(&mvm->mutex);
421 iwl_dbgfs_update_pm(mvm, vif, param, val);
422 ret = iwl_mvm_power_update_mode(mvm, vif);
423 mutex_unlock(&mvm->mutex);
428 static ssize_t iwl_dbgfs_pm_params_read(struct file *file,
429 char __user *user_buf,
430 size_t count, loff_t *ppos)
432 struct ieee80211_vif *vif = file->private_data;
433 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
434 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
436 int bufsz = sizeof(buf);
439 pos = iwl_mvm_power_dbgfs_read(mvm, vif, buf, bufsz);
441 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
444 static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
445 char __user *user_buf,
446 size_t count, loff_t *ppos)
448 struct ieee80211_vif *vif = file->private_data;
449 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
450 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
452 struct ieee80211_chanctx_conf *chanctx_conf;
454 int bufsz = sizeof(buf);
458 mutex_lock(&mvm->mutex);
460 ap_sta_id = mvmvif->ap_sta_id;
462 pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n",
463 mvmvif->id, mvmvif->color);
464 pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n",
465 vif->bss_conf.bssid);
466 pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n");
467 for (i = 0; i < ARRAY_SIZE(mvmvif->queue_params); i++) {
468 pos += scnprintf(buf+pos, bufsz-pos,
469 "\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n",
470 i, mvmvif->queue_params[i].txop,
471 mvmvif->queue_params[i].cw_min,
472 mvmvif->queue_params[i].cw_max,
473 mvmvif->queue_params[i].aifs,
474 mvmvif->queue_params[i].uapsd);
477 if (vif->type == NL80211_IFTYPE_STATION &&
478 ap_sta_id != IWL_MVM_STATION_COUNT) {
479 struct ieee80211_sta *sta;
480 struct iwl_mvm_sta *mvm_sta;
482 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id],
483 lockdep_is_held(&mvm->mutex));
484 mvm_sta = (void *)sta->drv_priv;
485 pos += scnprintf(buf+pos, bufsz-pos,
486 "ap_sta_id %d - reduced Tx power %d\n",
487 ap_sta_id, mvm_sta->bt_reduced_txpower);
491 chanctx_conf = rcu_dereference(vif->chanctx_conf);
493 pos += scnprintf(buf+pos, bufsz-pos,
494 "idle rx chains %d, active rx chains: %d\n",
495 chanctx_conf->rx_chains_static,
496 chanctx_conf->rx_chains_dynamic);
500 mutex_unlock(&mvm->mutex);
502 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
505 #define BT_MBOX_MSG(_notif, _num, _field) \
506 ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
507 >> BT_MBOX##_num##_##_field##_POS)
510 #define BT_MBOX_PRINT(_num, _field, _end) \
511 pos += scnprintf(buf + pos, bufsz - pos, \
514 BT_MBOX_MSG(notif, _num, _field), \
517 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
518 size_t count, loff_t *ppos)
520 struct iwl_mvm *mvm = file->private_data;
521 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
523 int ret, pos = 0, bufsz = sizeof(char) * 1024;
525 buf = kmalloc(bufsz, GFP_KERNEL);
529 mutex_lock(&mvm->mutex);
531 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
533 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
534 BT_MBOX_PRINT(0, LE_PROF1, false);
535 BT_MBOX_PRINT(0, LE_PROF2, false);
536 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
537 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
538 BT_MBOX_PRINT(0, INBAND_S, false);
539 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
540 BT_MBOX_PRINT(0, LE_SCAN, false);
541 BT_MBOX_PRINT(0, LE_ADV, false);
542 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
543 BT_MBOX_PRINT(0, OPEN_CON_1, true);
545 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
547 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
548 BT_MBOX_PRINT(1, IP_SR, false);
549 BT_MBOX_PRINT(1, LE_MSTR, false);
550 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
551 BT_MBOX_PRINT(1, MSG_TYPE, false);
552 BT_MBOX_PRINT(1, SSN, true);
554 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
556 BT_MBOX_PRINT(2, SNIFF_ACT, false);
557 BT_MBOX_PRINT(2, PAG, false);
558 BT_MBOX_PRINT(2, INQUIRY, false);
559 BT_MBOX_PRINT(2, CONN, false);
560 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
561 BT_MBOX_PRINT(2, DISC, false);
562 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
563 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
564 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
565 BT_MBOX_PRINT(2, SCO_DURATION, true);
567 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
569 BT_MBOX_PRINT(3, SCO_STATE, false);
570 BT_MBOX_PRINT(3, SNIFF_STATE, false);
571 BT_MBOX_PRINT(3, A2DP_STATE, false);
572 BT_MBOX_PRINT(3, ACL_STATE, false);
573 BT_MBOX_PRINT(3, MSTR_STATE, false);
574 BT_MBOX_PRINT(3, OBX_STATE, false);
575 BT_MBOX_PRINT(3, OPEN_CON_2, false);
576 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
577 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
578 BT_MBOX_PRINT(3, INBAND_P, false);
579 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
580 BT_MBOX_PRINT(3, SSN_2, false);
581 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
583 pos += scnprintf(buf+pos, bufsz-pos, "bt_status = %d\n",
585 pos += scnprintf(buf+pos, bufsz-pos, "bt_open_conn = %d\n",
586 notif->bt_open_conn);
587 pos += scnprintf(buf+pos, bufsz-pos, "bt_traffic_load = %d\n",
588 notif->bt_traffic_load);
589 pos += scnprintf(buf+pos, bufsz-pos, "bt_agg_traffic_load = %d\n",
590 notif->bt_agg_traffic_load);
591 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
592 notif->bt_ci_compliance);
594 mutex_unlock(&mvm->mutex);
596 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
603 #define PRINT_STATS_LE32(_str, _val) \
604 pos += scnprintf(buf + pos, bufsz - pos, \
608 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
609 char __user *user_buf, size_t count,
612 struct iwl_mvm *mvm = file->private_data;
613 static const char *fmt_table = "\t%-30s %10u\n";
614 static const char *fmt_header = "%-32s\n";
618 int bufsz = sizeof(struct mvm_statistics_rx_phy) * 20 +
619 sizeof(struct mvm_statistics_rx_non_phy) * 10 +
620 sizeof(struct mvm_statistics_rx_ht_phy) * 10 + 200;
621 struct mvm_statistics_rx_phy *ofdm;
622 struct mvm_statistics_rx_phy *cck;
623 struct mvm_statistics_rx_non_phy *general;
624 struct mvm_statistics_rx_ht_phy *ht;
626 buf = kzalloc(bufsz, GFP_KERNEL);
630 mutex_lock(&mvm->mutex);
632 ofdm = &mvm->rx_stats.ofdm;
633 cck = &mvm->rx_stats.cck;
634 general = &mvm->rx_stats.general;
635 ht = &mvm->rx_stats.ofdm_ht;
637 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
638 "Statistics_Rx - OFDM");
639 PRINT_STATS_LE32("ina_cnt", ofdm->ina_cnt);
640 PRINT_STATS_LE32("fina_cnt", ofdm->fina_cnt);
641 PRINT_STATS_LE32("plcp_err", ofdm->plcp_err);
642 PRINT_STATS_LE32("crc32_err", ofdm->crc32_err);
643 PRINT_STATS_LE32("overrun_err", ofdm->overrun_err);
644 PRINT_STATS_LE32("early_overrun_err", ofdm->early_overrun_err);
645 PRINT_STATS_LE32("crc32_good", ofdm->crc32_good);
646 PRINT_STATS_LE32("false_alarm_cnt", ofdm->false_alarm_cnt);
647 PRINT_STATS_LE32("fina_sync_err_cnt", ofdm->fina_sync_err_cnt);
648 PRINT_STATS_LE32("sfd_timeout", ofdm->sfd_timeout);
649 PRINT_STATS_LE32("fina_timeout", ofdm->fina_timeout);
650 PRINT_STATS_LE32("unresponded_rts", ofdm->unresponded_rts);
651 PRINT_STATS_LE32("rxe_frame_lmt_overrun",
652 ofdm->rxe_frame_limit_overrun);
653 PRINT_STATS_LE32("sent_ack_cnt", ofdm->sent_ack_cnt);
654 PRINT_STATS_LE32("sent_cts_cnt", ofdm->sent_cts_cnt);
655 PRINT_STATS_LE32("sent_ba_rsp_cnt", ofdm->sent_ba_rsp_cnt);
656 PRINT_STATS_LE32("dsp_self_kill", ofdm->dsp_self_kill);
657 PRINT_STATS_LE32("mh_format_err", ofdm->mh_format_err);
658 PRINT_STATS_LE32("re_acq_main_rssi_sum", ofdm->re_acq_main_rssi_sum);
659 PRINT_STATS_LE32("reserved", ofdm->reserved);
661 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
662 "Statistics_Rx - CCK");
663 PRINT_STATS_LE32("ina_cnt", cck->ina_cnt);
664 PRINT_STATS_LE32("fina_cnt", cck->fina_cnt);
665 PRINT_STATS_LE32("plcp_err", cck->plcp_err);
666 PRINT_STATS_LE32("crc32_err", cck->crc32_err);
667 PRINT_STATS_LE32("overrun_err", cck->overrun_err);
668 PRINT_STATS_LE32("early_overrun_err", cck->early_overrun_err);
669 PRINT_STATS_LE32("crc32_good", cck->crc32_good);
670 PRINT_STATS_LE32("false_alarm_cnt", cck->false_alarm_cnt);
671 PRINT_STATS_LE32("fina_sync_err_cnt", cck->fina_sync_err_cnt);
672 PRINT_STATS_LE32("sfd_timeout", cck->sfd_timeout);
673 PRINT_STATS_LE32("fina_timeout", cck->fina_timeout);
674 PRINT_STATS_LE32("unresponded_rts", cck->unresponded_rts);
675 PRINT_STATS_LE32("rxe_frame_lmt_overrun",
676 cck->rxe_frame_limit_overrun);
677 PRINT_STATS_LE32("sent_ack_cnt", cck->sent_ack_cnt);
678 PRINT_STATS_LE32("sent_cts_cnt", cck->sent_cts_cnt);
679 PRINT_STATS_LE32("sent_ba_rsp_cnt", cck->sent_ba_rsp_cnt);
680 PRINT_STATS_LE32("dsp_self_kill", cck->dsp_self_kill);
681 PRINT_STATS_LE32("mh_format_err", cck->mh_format_err);
682 PRINT_STATS_LE32("re_acq_main_rssi_sum", cck->re_acq_main_rssi_sum);
683 PRINT_STATS_LE32("reserved", cck->reserved);
685 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
686 "Statistics_Rx - GENERAL");
687 PRINT_STATS_LE32("bogus_cts", general->bogus_cts);
688 PRINT_STATS_LE32("bogus_ack", general->bogus_ack);
689 PRINT_STATS_LE32("non_bssid_frames", general->non_bssid_frames);
690 PRINT_STATS_LE32("filtered_frames", general->filtered_frames);
691 PRINT_STATS_LE32("non_channel_beacons", general->non_channel_beacons);
692 PRINT_STATS_LE32("channel_beacons", general->channel_beacons);
693 PRINT_STATS_LE32("num_missed_bcon", general->num_missed_bcon);
694 PRINT_STATS_LE32("adc_rx_saturation_time",
695 general->adc_rx_saturation_time);
696 PRINT_STATS_LE32("ina_detection_search_time",
697 general->ina_detection_search_time);
698 PRINT_STATS_LE32("beacon_silence_rssi_a",
699 general->beacon_silence_rssi_a);
700 PRINT_STATS_LE32("beacon_silence_rssi_b",
701 general->beacon_silence_rssi_b);
702 PRINT_STATS_LE32("beacon_silence_rssi_c",
703 general->beacon_silence_rssi_c);
704 PRINT_STATS_LE32("interference_data_flag",
705 general->interference_data_flag);
706 PRINT_STATS_LE32("channel_load", general->channel_load);
707 PRINT_STATS_LE32("dsp_false_alarms", general->dsp_false_alarms);
708 PRINT_STATS_LE32("beacon_rssi_a", general->beacon_rssi_a);
709 PRINT_STATS_LE32("beacon_rssi_b", general->beacon_rssi_b);
710 PRINT_STATS_LE32("beacon_rssi_c", general->beacon_rssi_c);
711 PRINT_STATS_LE32("beacon_energy_a", general->beacon_energy_a);
712 PRINT_STATS_LE32("beacon_energy_b", general->beacon_energy_b);
713 PRINT_STATS_LE32("beacon_energy_c", general->beacon_energy_c);
714 PRINT_STATS_LE32("num_bt_kills", general->num_bt_kills);
715 PRINT_STATS_LE32("directed_data_mpdu", general->directed_data_mpdu);
717 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
718 "Statistics_Rx - HT");
719 PRINT_STATS_LE32("plcp_err", ht->plcp_err);
720 PRINT_STATS_LE32("overrun_err", ht->overrun_err);
721 PRINT_STATS_LE32("early_overrun_err", ht->early_overrun_err);
722 PRINT_STATS_LE32("crc32_good", ht->crc32_good);
723 PRINT_STATS_LE32("crc32_err", ht->crc32_err);
724 PRINT_STATS_LE32("mh_format_err", ht->mh_format_err);
725 PRINT_STATS_LE32("agg_crc32_good", ht->agg_crc32_good);
726 PRINT_STATS_LE32("agg_mpdu_cnt", ht->agg_mpdu_cnt);
727 PRINT_STATS_LE32("agg_cnt", ht->agg_cnt);
728 PRINT_STATS_LE32("unsupport_mcs", ht->unsupport_mcs);
730 mutex_unlock(&mvm->mutex);
732 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
737 #undef PRINT_STAT_LE32
739 static ssize_t iwl_dbgfs_fw_restart_write(struct file *file,
740 const char __user *user_buf,
741 size_t count, loff_t *ppos)
743 struct iwl_mvm *mvm = file->private_data;
746 mutex_lock(&mvm->mutex);
748 /* allow one more restart that we're provoking here */
749 if (mvm->restart_fw >= 0)
752 /* take the return value to make compiler happy - it will fail anyway */
753 ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, CMD_SYNC, 0, NULL);
755 mutex_unlock(&mvm->mutex);
760 static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif,
761 enum iwl_dbgfs_bf_mask param, int value)
763 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
764 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
766 dbgfs_bf->mask |= param;
769 case MVM_DEBUGFS_BF_ENERGY_DELTA:
770 dbgfs_bf->bf_energy_delta = value;
772 case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA:
773 dbgfs_bf->bf_roaming_energy_delta = value;
775 case MVM_DEBUGFS_BF_ROAMING_STATE:
776 dbgfs_bf->bf_roaming_state = value;
778 case MVM_DEBUGFS_BF_TEMP_THRESHOLD:
779 dbgfs_bf->bf_temp_threshold = value;
781 case MVM_DEBUGFS_BF_TEMP_FAST_FILTER:
782 dbgfs_bf->bf_temp_fast_filter = value;
784 case MVM_DEBUGFS_BF_TEMP_SLOW_FILTER:
785 dbgfs_bf->bf_temp_slow_filter = value;
787 case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER:
788 dbgfs_bf->bf_enable_beacon_filter = value;
790 case MVM_DEBUGFS_BF_DEBUG_FLAG:
791 dbgfs_bf->bf_debug_flag = value;
793 case MVM_DEBUGFS_BF_ESCAPE_TIMER:
794 dbgfs_bf->bf_escape_timer = value;
796 case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT:
797 dbgfs_bf->ba_enable_beacon_abort = value;
799 case MVM_DEBUGFS_BA_ESCAPE_TIMER:
800 dbgfs_bf->ba_escape_timer = value;
805 static ssize_t iwl_dbgfs_bf_params_write(struct file *file,
806 const char __user *user_buf,
807 size_t count, loff_t *ppos)
809 struct ieee80211_vif *vif = file->private_data;
810 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
811 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
812 enum iwl_dbgfs_bf_mask param;
818 memset(buf, 0, sizeof(buf));
819 buf_size = min(count, sizeof(buf) - 1);
820 if (copy_from_user(buf, user_buf, buf_size))
823 if (!strncmp("bf_energy_delta=", buf, 16)) {
824 if (sscanf(buf+16, "%d", &value) != 1)
826 if (value < IWL_BF_ENERGY_DELTA_MIN ||
827 value > IWL_BF_ENERGY_DELTA_MAX)
829 param = MVM_DEBUGFS_BF_ENERGY_DELTA;
830 } else if (!strncmp("bf_roaming_energy_delta=", buf, 24)) {
831 if (sscanf(buf+24, "%d", &value) != 1)
833 if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN ||
834 value > IWL_BF_ROAMING_ENERGY_DELTA_MAX)
836 param = MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA;
837 } else if (!strncmp("bf_roaming_state=", buf, 17)) {
838 if (sscanf(buf+17, "%d", &value) != 1)
840 if (value < IWL_BF_ROAMING_STATE_MIN ||
841 value > IWL_BF_ROAMING_STATE_MAX)
843 param = MVM_DEBUGFS_BF_ROAMING_STATE;
844 } else if (!strncmp("bf_temp_threshold=", buf, 18)) {
845 if (sscanf(buf+18, "%d", &value) != 1)
847 if (value < IWL_BF_TEMP_THRESHOLD_MIN ||
848 value > IWL_BF_TEMP_THRESHOLD_MAX)
850 param = MVM_DEBUGFS_BF_TEMP_THRESHOLD;
851 } else if (!strncmp("bf_temp_fast_filter=", buf, 20)) {
852 if (sscanf(buf+20, "%d", &value) != 1)
854 if (value < IWL_BF_TEMP_FAST_FILTER_MIN ||
855 value > IWL_BF_TEMP_FAST_FILTER_MAX)
857 param = MVM_DEBUGFS_BF_TEMP_FAST_FILTER;
858 } else if (!strncmp("bf_temp_slow_filter=", buf, 20)) {
859 if (sscanf(buf+20, "%d", &value) != 1)
861 if (value < IWL_BF_TEMP_SLOW_FILTER_MIN ||
862 value > IWL_BF_TEMP_SLOW_FILTER_MAX)
864 param = MVM_DEBUGFS_BF_TEMP_SLOW_FILTER;
865 } else if (!strncmp("bf_enable_beacon_filter=", buf, 24)) {
866 if (sscanf(buf+24, "%d", &value) != 1)
868 if (value < 0 || value > 1)
870 param = MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER;
871 } else if (!strncmp("bf_debug_flag=", buf, 14)) {
872 if (sscanf(buf+14, "%d", &value) != 1)
874 if (value < 0 || value > 1)
876 param = MVM_DEBUGFS_BF_DEBUG_FLAG;
877 } else if (!strncmp("bf_escape_timer=", buf, 16)) {
878 if (sscanf(buf+16, "%d", &value) != 1)
880 if (value < IWL_BF_ESCAPE_TIMER_MIN ||
881 value > IWL_BF_ESCAPE_TIMER_MAX)
883 param = MVM_DEBUGFS_BF_ESCAPE_TIMER;
884 } else if (!strncmp("ba_escape_timer=", buf, 16)) {
885 if (sscanf(buf+16, "%d", &value) != 1)
887 if (value < IWL_BA_ESCAPE_TIMER_MIN ||
888 value > IWL_BA_ESCAPE_TIMER_MAX)
890 param = MVM_DEBUGFS_BA_ESCAPE_TIMER;
891 } else if (!strncmp("ba_enable_beacon_abort=", buf, 23)) {
892 if (sscanf(buf+23, "%d", &value) != 1)
894 if (value < 0 || value > 1)
896 param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT;
901 mutex_lock(&mvm->mutex);
902 iwl_dbgfs_update_bf(vif, param, value);
903 if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value) {
904 ret = iwl_mvm_disable_beacon_filter(mvm, vif);
906 ret = iwl_mvm_enable_beacon_filter(mvm, vif);
908 mutex_unlock(&mvm->mutex);
913 static ssize_t iwl_dbgfs_bf_params_read(struct file *file,
914 char __user *user_buf,
915 size_t count, loff_t *ppos)
917 struct ieee80211_vif *vif = file->private_data;
918 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
921 const size_t bufsz = sizeof(buf);
922 struct iwl_beacon_filter_cmd cmd = {
923 IWL_BF_CMD_CONFIG_DEFAULTS,
924 .bf_enable_beacon_filter =
925 cpu_to_le32(IWL_BF_ENABLE_BEACON_FILTER_DEFAULT),
926 .ba_enable_beacon_abort =
927 cpu_to_le32(IWL_BA_ENABLE_BEACON_ABORT_DEFAULT),
930 iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
931 if (mvmvif->bf_data.bf_enabled)
932 cmd.bf_enable_beacon_filter = cpu_to_le32(1);
934 cmd.bf_enable_beacon_filter = 0;
936 pos += scnprintf(buf+pos, bufsz-pos, "bf_energy_delta = %d\n",
937 le32_to_cpu(cmd.bf_energy_delta));
938 pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_energy_delta = %d\n",
939 le32_to_cpu(cmd.bf_roaming_energy_delta));
940 pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_state = %d\n",
941 le32_to_cpu(cmd.bf_roaming_state));
942 pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_threshold = %d\n",
943 le32_to_cpu(cmd.bf_temp_threshold));
944 pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_fast_filter = %d\n",
945 le32_to_cpu(cmd.bf_temp_fast_filter));
946 pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_slow_filter = %d\n",
947 le32_to_cpu(cmd.bf_temp_slow_filter));
948 pos += scnprintf(buf+pos, bufsz-pos, "bf_enable_beacon_filter = %d\n",
949 le32_to_cpu(cmd.bf_enable_beacon_filter));
950 pos += scnprintf(buf+pos, bufsz-pos, "bf_debug_flag = %d\n",
951 le32_to_cpu(cmd.bf_debug_flag));
952 pos += scnprintf(buf+pos, bufsz-pos, "bf_escape_timer = %d\n",
953 le32_to_cpu(cmd.bf_escape_timer));
954 pos += scnprintf(buf+pos, bufsz-pos, "ba_escape_timer = %d\n",
955 le32_to_cpu(cmd.ba_escape_timer));
956 pos += scnprintf(buf+pos, bufsz-pos, "ba_enable_beacon_abort = %d\n",
957 le32_to_cpu(cmd.ba_enable_beacon_abort));
959 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
962 #ifdef CONFIG_PM_SLEEP
963 static ssize_t iwl_dbgfs_d3_sram_write(struct file *file,
964 const char __user *user_buf,
965 size_t count, loff_t *ppos)
967 struct iwl_mvm *mvm = file->private_data;
971 if (copy_from_user(buf, user_buf, sizeof(buf)))
974 if (sscanf(buf, "%d", &store) != 1)
977 mvm->store_d3_resume_sram = store;
982 static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
983 size_t count, loff_t *ppos)
985 struct iwl_mvm *mvm = file->private_data;
986 const struct fw_img *img;
987 int ofs, len, pos = 0;
990 u8 *ptr = mvm->d3_resume_sram;
992 img = &mvm->fw->img[IWL_UCODE_WOWLAN];
993 len = img->sec[IWL_UCODE_SECTION_DATA].len;
995 bufsz = len * 4 + 256;
996 buf = kzalloc(bufsz, GFP_KERNEL);
1000 pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
1001 mvm->store_d3_resume_sram ? "en" : "dis");
1004 for (ofs = 0; ofs < len; ofs += 16) {
1005 pos += scnprintf(buf + pos, bufsz - pos,
1007 hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos,
1008 bufsz - pos, false);
1009 pos += strlen(buf + pos);
1010 if (bufsz - pos > 0)
1014 pos += scnprintf(buf + pos, bufsz - pos,
1015 "(no data captured)\n");
1018 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1026 #define MVM_DEBUGFS_READ_FILE_OPS(name) \
1027 static const struct file_operations iwl_dbgfs_##name##_ops = { \
1028 .read = iwl_dbgfs_##name##_read, \
1029 .open = simple_open, \
1030 .llseek = generic_file_llseek, \
1033 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name) \
1034 static const struct file_operations iwl_dbgfs_##name##_ops = { \
1035 .write = iwl_dbgfs_##name##_write, \
1036 .read = iwl_dbgfs_##name##_read, \
1037 .open = simple_open, \
1038 .llseek = generic_file_llseek, \
1041 #define MVM_DEBUGFS_WRITE_FILE_OPS(name) \
1042 static const struct file_operations iwl_dbgfs_##name##_ops = { \
1043 .write = iwl_dbgfs_##name##_write, \
1044 .open = simple_open, \
1045 .llseek = generic_file_llseek, \
1048 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) do { \
1049 if (!debugfs_create_file(#name, mode, parent, mvm, \
1050 &iwl_dbgfs_##name##_ops)) \
1054 #define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \
1055 if (!debugfs_create_file(#name, mode, parent, vif, \
1056 &iwl_dbgfs_##name##_ops)) \
1060 /* Device wide debugfs entries */
1061 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush);
1062 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain);
1063 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram);
1064 MVM_DEBUGFS_READ_FILE_OPS(stations);
1065 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
1066 MVM_DEBUGFS_WRITE_FILE_OPS(power_down_allow);
1067 MVM_DEBUGFS_WRITE_FILE_OPS(power_down_d3_allow);
1068 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1069 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart);
1070 #ifdef CONFIG_PM_SLEEP
1071 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram);
1074 /* Interface specific debugfs entries */
1075 MVM_DEBUGFS_READ_FILE_OPS(mac_params);
1076 MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params);
1077 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params);
1079 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
1083 mvm->debugfs_dir = dbgfs_dir;
1085 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
1086 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
1087 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
1088 MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
1089 MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
1090 MVM_DEBUGFS_ADD_FILE(power_down_allow, mvm->debugfs_dir, S_IWUSR);
1091 MVM_DEBUGFS_ADD_FILE(power_down_d3_allow, mvm->debugfs_dir, S_IWUSR);
1092 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
1093 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
1094 #ifdef CONFIG_PM_SLEEP
1095 MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
1096 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
1097 if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
1098 mvm->debugfs_dir, &mvm->d3_wake_sysassert))
1103 * Create a symlink with mac80211. It will be removed when mac80211
1104 * exists (before the opmode exists which removes the target.)
1106 snprintf(buf, 100, "../../%s/%s",
1107 dbgfs_dir->d_parent->d_parent->d_name.name,
1108 dbgfs_dir->d_parent->d_name.name);
1109 if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
1114 IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
1118 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1120 struct dentry *dbgfs_dir = vif->debugfs_dir;
1121 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1125 * Check if debugfs directory already exist before creating it.
1126 * This may happen when, for example, resetting hw or suspend-resume
1128 if (!dbgfs_dir || mvmvif->dbgfs_dir)
1131 mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
1132 mvmvif->dbgfs_data = mvm;
1134 if (!mvmvif->dbgfs_dir) {
1135 IWL_ERR(mvm, "Failed to create debugfs directory under %s\n",
1136 dbgfs_dir->d_name.name);
1140 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM &&
1141 vif->type == NL80211_IFTYPE_STATION && !vif->p2p)
1142 MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR |
1145 MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir,
1148 if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
1149 mvmvif == mvm->bf_allowed_vif)
1150 MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir,
1154 * Create symlink for convenience pointing to interface specific
1155 * debugfs entries for the driver. For example, under
1156 * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/
1158 * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
1160 snprintf(buf, 100, "../../../%s/%s/%s/%s",
1161 dbgfs_dir->d_parent->d_parent->d_name.name,
1162 dbgfs_dir->d_parent->d_name.name,
1163 dbgfs_dir->d_name.name,
1164 mvmvif->dbgfs_dir->d_name.name);
1166 mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
1167 mvm->debugfs_dir, buf);
1168 if (!mvmvif->dbgfs_slink)
1169 IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n",
1170 dbgfs_dir->d_name.name);
1173 IWL_ERR(mvm, "Can't create debugfs entity\n");
1176 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1178 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1180 debugfs_remove(mvmvif->dbgfs_slink);
1181 mvmvif->dbgfs_slink = NULL;
1183 debugfs_remove_recursive(mvmvif->dbgfs_dir);
1184 mvmvif->dbgfs_dir = NULL;