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-rw-r--r--drivers/net/wireless/iwlwifi/mvm/Makefile1
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c190
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/debugfs.c505
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/debugfs.h84
4 files changed, 276 insertions, 504 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/Makefile b/drivers/net/wireless/iwlwifi/mvm/Makefile
index 6d73817850ce..285d8c7486f5 100644
--- a/drivers/net/wireless/iwlwifi/mvm/Makefile
+++ b/drivers/net/wireless/iwlwifi/mvm/Makefile
@@ -5,6 +5,7 @@ iwlmvm-y += scan.o time-event.o rs.o
5iwlmvm-y += power.o power_legacy.o bt-coex.o 5iwlmvm-y += power.o power_legacy.o bt-coex.o
6iwlmvm-y += led.o tt.o 6iwlmvm-y += led.o tt.o
7iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o 7iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o
8iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o
8iwlmvm-$(CONFIG_PM_SLEEP) += d3.o 9iwlmvm-$(CONFIG_PM_SLEEP) += d3.o
9 10
10ccflags-y += -D__CHECK_ENDIAN__ -I$(src)/../ 11ccflags-y += -D__CHECK_ENDIAN__ -I$(src)/../
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
new file mode 100644
index 000000000000..a90dde0f8d6c
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
@@ -0,0 +1,190 @@
1/******************************************************************************
2 *
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.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
9 *
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.
13 *
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.
18 *
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,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
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
45 * distribution.
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.
49 *
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.
61 *
62 *****************************************************************************/
63#include "mvm.h"
64#include "debugfs.h"
65
66static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
67 char __user *user_buf,
68 size_t count, loff_t *ppos)
69{
70 struct ieee80211_vif *vif = file->private_data;
71 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
72 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
73 u8 ap_sta_id;
74 struct ieee80211_chanctx_conf *chanctx_conf;
75 char buf[512];
76 int bufsz = sizeof(buf);
77 int pos = 0;
78 int i;
79
80 mutex_lock(&mvm->mutex);
81
82 ap_sta_id = mvmvif->ap_sta_id;
83
84 pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n",
85 mvmvif->id, mvmvif->color);
86 pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n",
87 vif->bss_conf.bssid);
88 pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n");
89 for (i = 0; i < ARRAY_SIZE(mvmvif->queue_params); i++)
90 pos += scnprintf(buf+pos, bufsz-pos,
91 "\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n",
92 i, mvmvif->queue_params[i].txop,
93 mvmvif->queue_params[i].cw_min,
94 mvmvif->queue_params[i].cw_max,
95 mvmvif->queue_params[i].aifs,
96 mvmvif->queue_params[i].uapsd);
97
98 if (vif->type == NL80211_IFTYPE_STATION &&
99 ap_sta_id != IWL_MVM_STATION_COUNT) {
100 struct ieee80211_sta *sta;
101 struct iwl_mvm_sta *mvm_sta;
102
103 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id],
104 lockdep_is_held(&mvm->mutex));
105 mvm_sta = (void *)sta->drv_priv;
106 pos += scnprintf(buf+pos, bufsz-pos,
107 "ap_sta_id %d - reduced Tx power %d\n",
108 ap_sta_id, mvm_sta->bt_reduced_txpower);
109 }
110
111 rcu_read_lock();
112 chanctx_conf = rcu_dereference(vif->chanctx_conf);
113 if (chanctx_conf)
114 pos += scnprintf(buf+pos, bufsz-pos,
115 "idle rx chains %d, active rx chains: %d\n",
116 chanctx_conf->rx_chains_static,
117 chanctx_conf->rx_chains_dynamic);
118 rcu_read_unlock();
119
120 mutex_unlock(&mvm->mutex);
121
122 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
123}
124
125#define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \
126 if (!debugfs_create_file(#name, mode, parent, vif, \
127 &iwl_dbgfs_##name##_ops)) \
128 goto err; \
129 } while (0)
130
131MVM_DEBUGFS_READ_FILE_OPS(mac_params);
132
133void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
134{
135 struct dentry *dbgfs_dir = vif->debugfs_dir;
136 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
137 char buf[100];
138
139 /*
140 * Check if debugfs directory already exist before creating it.
141 * This may happen when, for example, resetting hw or suspend-resume
142 */
143 if (!dbgfs_dir || mvmvif->dbgfs_dir)
144 return;
145
146 mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
147 mvmvif->dbgfs_data = mvm;
148
149 if (!mvmvif->dbgfs_dir) {
150 IWL_ERR(mvm, "Failed to create debugfs directory under %s\n",
151 dbgfs_dir->d_name.name);
152 return;
153 }
154
155 MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir,
156 S_IRUSR);
157
158 /*
159 * Create symlink for convenience pointing to interface specific
160 * debugfs entries for the driver. For example, under
161 * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/
162 * find
163 * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
164 */
165 snprintf(buf, 100, "../../../%s/%s/%s/%s",
166 dbgfs_dir->d_parent->d_parent->d_name.name,
167 dbgfs_dir->d_parent->d_name.name,
168 dbgfs_dir->d_name.name,
169 mvmvif->dbgfs_dir->d_name.name);
170
171 mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
172 mvm->debugfs_dir, buf);
173 if (!mvmvif->dbgfs_slink)
174 IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n",
175 dbgfs_dir->d_name.name);
176 return;
177err:
178 IWL_ERR(mvm, "Can't create debugfs entity\n");
179}
180
181void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
182{
183 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
184
185 debugfs_remove(mvmvif->dbgfs_slink);
186 mvmvif->dbgfs_slink = NULL;
187
188 debugfs_remove_recursive(mvmvif->dbgfs_dir);
189 mvmvif->dbgfs_dir = NULL;
190}
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index a34fb80422c0..6850a2d94bcb 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -64,6 +64,7 @@
64#include "sta.h" 64#include "sta.h"
65#include "iwl-io.h" 65#include "iwl-io.h"
66#include "iwl-prph.h" 66#include "iwl-prph.h"
67#include "debugfs.h"
67 68
68static ssize_t iwl_dbgfs_tx_flush_write(struct file *file, 69static ssize_t iwl_dbgfs_tx_flush_write(struct file *file,
69 const char __user *user_buf, 70 const char __user *user_buf,
@@ -292,209 +293,6 @@ static ssize_t iwl_dbgfs_disable_power_off_write(struct file *file,
292 return ret ?: count; 293 return ret ?: count;
293} 294}
294 295
295static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
296 struct ieee80211_vif *vif,
297 enum iwl_dbgfs_pm_mask param, int val)
298{
299 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
300 struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm;
301
302 dbgfs_pm->mask |= param;
303
304 switch (param) {
305 case MVM_DEBUGFS_PM_KEEP_ALIVE: {
306 struct ieee80211_hw *hw = mvm->hw;
307 int dtimper = hw->conf.ps_dtim_period ?: 1;
308 int dtimper_msec = dtimper * vif->bss_conf.beacon_int;
309
310 IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val);
311 if (val * MSEC_PER_SEC < 3 * dtimper_msec)
312 IWL_WARN(mvm,
313 "debugfs: keep alive period (%ld msec) is less than minimum required (%d msec)\n",
314 val * MSEC_PER_SEC, 3 * dtimper_msec);
315 dbgfs_pm->keep_alive_seconds = val;
316 break;
317 }
318 case MVM_DEBUGFS_PM_SKIP_OVER_DTIM:
319 IWL_DEBUG_POWER(mvm, "skip_over_dtim %s\n",
320 val ? "enabled" : "disabled");
321 dbgfs_pm->skip_over_dtim = val;
322 break;
323 case MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS:
324 IWL_DEBUG_POWER(mvm, "skip_dtim_periods=%d\n", val);
325 dbgfs_pm->skip_dtim_periods = val;
326 break;
327 case MVM_DEBUGFS_PM_RX_DATA_TIMEOUT:
328 IWL_DEBUG_POWER(mvm, "rx_data_timeout=%d\n", val);
329 dbgfs_pm->rx_data_timeout = val;
330 break;
331 case MVM_DEBUGFS_PM_TX_DATA_TIMEOUT:
332 IWL_DEBUG_POWER(mvm, "tx_data_timeout=%d\n", val);
333 dbgfs_pm->tx_data_timeout = val;
334 break;
335 case MVM_DEBUGFS_PM_DISABLE_POWER_OFF:
336 IWL_DEBUG_POWER(mvm, "disable_power_off=%d\n", val);
337 dbgfs_pm->disable_power_off = val;
338 break;
339 case MVM_DEBUGFS_PM_LPRX_ENA:
340 IWL_DEBUG_POWER(mvm, "lprx %s\n", val ? "enabled" : "disabled");
341 dbgfs_pm->lprx_ena = val;
342 break;
343 case MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD:
344 IWL_DEBUG_POWER(mvm, "lprx_rssi_threshold=%d\n", val);
345 dbgfs_pm->lprx_rssi_threshold = val;
346 break;
347 case MVM_DEBUGFS_PM_SNOOZE_ENABLE:
348 IWL_DEBUG_POWER(mvm, "snooze_enable=%d\n", val);
349 dbgfs_pm->snooze_ena = val;
350 break;
351 }
352}
353
354static ssize_t iwl_dbgfs_pm_params_write(struct file *file,
355 const char __user *user_buf,
356 size_t count, loff_t *ppos)
357{
358 struct ieee80211_vif *vif = file->private_data;
359 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
360 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
361 enum iwl_dbgfs_pm_mask param;
362 char buf[32] = {};
363 size_t buf_size = min(count, sizeof(buf) - 1);
364 int val;
365 int ret;
366
367 if (copy_from_user(buf, user_buf, buf_size))
368 return -EFAULT;
369
370 if (!strncmp("keep_alive=", buf, 11)) {
371 if (sscanf(buf + 11, "%d", &val) != 1)
372 return -EINVAL;
373 param = MVM_DEBUGFS_PM_KEEP_ALIVE;
374 } else if (!strncmp("skip_over_dtim=", buf, 15)) {
375 if (sscanf(buf + 15, "%d", &val) != 1)
376 return -EINVAL;
377 param = MVM_DEBUGFS_PM_SKIP_OVER_DTIM;
378 } else if (!strncmp("skip_dtim_periods=", buf, 18)) {
379 if (sscanf(buf + 18, "%d", &val) != 1)
380 return -EINVAL;
381 param = MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS;
382 } else if (!strncmp("rx_data_timeout=", buf, 16)) {
383 if (sscanf(buf + 16, "%d", &val) != 1)
384 return -EINVAL;
385 param = MVM_DEBUGFS_PM_RX_DATA_TIMEOUT;
386 } else if (!strncmp("tx_data_timeout=", buf, 16)) {
387 if (sscanf(buf + 16, "%d", &val) != 1)
388 return -EINVAL;
389 param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT;
390 } else if (!strncmp("disable_power_off=", buf, 18) &&
391 !(mvm->fw->ucode_capa.flags &
392 IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD)) {
393 if (sscanf(buf + 18, "%d", &val) != 1)
394 return -EINVAL;
395 param = MVM_DEBUGFS_PM_DISABLE_POWER_OFF;
396 } else if (!strncmp("lprx=", buf, 5)) {
397 if (sscanf(buf + 5, "%d", &val) != 1)
398 return -EINVAL;
399 param = MVM_DEBUGFS_PM_LPRX_ENA;
400 } else if (!strncmp("lprx_rssi_threshold=", buf, 20)) {
401 if (sscanf(buf + 20, "%d", &val) != 1)
402 return -EINVAL;
403 if (val > POWER_LPRX_RSSI_THRESHOLD_MAX || val <
404 POWER_LPRX_RSSI_THRESHOLD_MIN)
405 return -EINVAL;
406 param = MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD;
407 } else if (!strncmp("snooze_enable=", buf, 14)) {
408 if (sscanf(buf + 14, "%d", &val) != 1)
409 return -EINVAL;
410 param = MVM_DEBUGFS_PM_SNOOZE_ENABLE;
411 } else {
412 return -EINVAL;
413 }
414
415 mutex_lock(&mvm->mutex);
416 iwl_dbgfs_update_pm(mvm, vif, param, val);
417 ret = iwl_mvm_power_update_mode(mvm, vif);
418 mutex_unlock(&mvm->mutex);
419
420 return ret ?: count;
421}
422
423static ssize_t iwl_dbgfs_pm_params_read(struct file *file,
424 char __user *user_buf,
425 size_t count, loff_t *ppos)
426{
427 struct ieee80211_vif *vif = file->private_data;
428 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
429 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
430 char buf[512];
431 int bufsz = sizeof(buf);
432 int pos;
433
434 pos = iwl_mvm_power_dbgfs_read(mvm, vif, buf, bufsz);
435
436 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
437}
438
439static ssize_t iwl_dbgfs_mac_params_read(struct file *file,
440 char __user *user_buf,
441 size_t count, loff_t *ppos)
442{
443 struct ieee80211_vif *vif = file->private_data;
444 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
445 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
446 u8 ap_sta_id;
447 struct ieee80211_chanctx_conf *chanctx_conf;
448 char buf[512];
449 int bufsz = sizeof(buf);
450 int pos = 0;
451 int i;
452
453 mutex_lock(&mvm->mutex);
454
455 ap_sta_id = mvmvif->ap_sta_id;
456
457 pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n",
458 mvmvif->id, mvmvif->color);
459 pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n",
460 vif->bss_conf.bssid);
461 pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n");
462 for (i = 0; i < ARRAY_SIZE(mvmvif->queue_params); i++)
463 pos += scnprintf(buf+pos, bufsz-pos,
464 "\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n",
465 i, mvmvif->queue_params[i].txop,
466 mvmvif->queue_params[i].cw_min,
467 mvmvif->queue_params[i].cw_max,
468 mvmvif->queue_params[i].aifs,
469 mvmvif->queue_params[i].uapsd);
470
471 if (vif->type == NL80211_IFTYPE_STATION &&
472 ap_sta_id != IWL_MVM_STATION_COUNT) {
473 struct ieee80211_sta *sta;
474 struct iwl_mvm_sta *mvm_sta;
475
476 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id],
477 lockdep_is_held(&mvm->mutex));
478 mvm_sta = (void *)sta->drv_priv;
479 pos += scnprintf(buf+pos, bufsz-pos,
480 "ap_sta_id %d - reduced Tx power %d\n",
481 ap_sta_id, mvm_sta->bt_reduced_txpower);
482 }
483
484 rcu_read_lock();
485 chanctx_conf = rcu_dereference(vif->chanctx_conf);
486 if (chanctx_conf)
487 pos += scnprintf(buf+pos, bufsz-pos,
488 "idle rx chains %d, active rx chains: %d\n",
489 chanctx_conf->rx_chains_static,
490 chanctx_conf->rx_chains_dynamic);
491 rcu_read_unlock();
492
493 mutex_unlock(&mvm->mutex);
494
495 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
496}
497
498#define BT_MBOX_MSG(_notif, _num, _field) \ 296#define BT_MBOX_MSG(_notif, _num, _field) \
499 ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\ 297 ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
500 >> BT_MBOX##_num##_##_field##_POS) 298 >> BT_MBOX##_num##_##_field##_POS)
@@ -849,205 +647,6 @@ iwl_dbgfs_scan_ant_rxchain_write(struct file *file,
849 return count; 647 return count;
850} 648}
851 649
852
853static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif,
854 enum iwl_dbgfs_bf_mask param, int value)
855{
856 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
857 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
858
859 dbgfs_bf->mask |= param;
860
861 switch (param) {
862 case MVM_DEBUGFS_BF_ENERGY_DELTA:
863 dbgfs_bf->bf_energy_delta = value;
864 break;
865 case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA:
866 dbgfs_bf->bf_roaming_energy_delta = value;
867 break;
868 case MVM_DEBUGFS_BF_ROAMING_STATE:
869 dbgfs_bf->bf_roaming_state = value;
870 break;
871 case MVM_DEBUGFS_BF_TEMP_THRESHOLD:
872 dbgfs_bf->bf_temp_threshold = value;
873 break;
874 case MVM_DEBUGFS_BF_TEMP_FAST_FILTER:
875 dbgfs_bf->bf_temp_fast_filter = value;
876 break;
877 case MVM_DEBUGFS_BF_TEMP_SLOW_FILTER:
878 dbgfs_bf->bf_temp_slow_filter = value;
879 break;
880 case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER:
881 dbgfs_bf->bf_enable_beacon_filter = value;
882 break;
883 case MVM_DEBUGFS_BF_DEBUG_FLAG:
884 dbgfs_bf->bf_debug_flag = value;
885 break;
886 case MVM_DEBUGFS_BF_ESCAPE_TIMER:
887 dbgfs_bf->bf_escape_timer = value;
888 break;
889 case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT:
890 dbgfs_bf->ba_enable_beacon_abort = value;
891 break;
892 case MVM_DEBUGFS_BA_ESCAPE_TIMER:
893 dbgfs_bf->ba_escape_timer = value;
894 break;
895 }
896}
897
898static ssize_t iwl_dbgfs_bf_params_write(struct file *file,
899 const char __user *user_buf,
900 size_t count, loff_t *ppos)
901{
902 struct ieee80211_vif *vif = file->private_data;
903 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
904 struct iwl_mvm *mvm = mvmvif->dbgfs_data;
905 enum iwl_dbgfs_bf_mask param;
906 char buf[256] = {};
907 size_t buf_size = min(count, sizeof(buf) - 1);
908 int value, ret = 0;
909
910 if (copy_from_user(buf, user_buf, buf_size))
911 return -EFAULT;
912
913 if (!strncmp("bf_energy_delta=", buf, 16)) {
914 if (sscanf(buf+16, "%d", &value) != 1)
915 return -EINVAL;
916 if (value < IWL_BF_ENERGY_DELTA_MIN ||
917 value > IWL_BF_ENERGY_DELTA_MAX)
918 return -EINVAL;
919 param = MVM_DEBUGFS_BF_ENERGY_DELTA;
920 } else if (!strncmp("bf_roaming_energy_delta=", buf, 24)) {
921 if (sscanf(buf+24, "%d", &value) != 1)
922 return -EINVAL;
923 if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN ||
924 value > IWL_BF_ROAMING_ENERGY_DELTA_MAX)
925 return -EINVAL;
926 param = MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA;
927 } else if (!strncmp("bf_roaming_state=", buf, 17)) {
928 if (sscanf(buf+17, "%d", &value) != 1)
929 return -EINVAL;
930 if (value < IWL_BF_ROAMING_STATE_MIN ||
931 value > IWL_BF_ROAMING_STATE_MAX)
932 return -EINVAL;
933 param = MVM_DEBUGFS_BF_ROAMING_STATE;
934 } else if (!strncmp("bf_temp_threshold=", buf, 18)) {
935 if (sscanf(buf+18, "%d", &value) != 1)
936 return -EINVAL;
937 if (value < IWL_BF_TEMP_THRESHOLD_MIN ||
938 value > IWL_BF_TEMP_THRESHOLD_MAX)
939 return -EINVAL;
940 param = MVM_DEBUGFS_BF_TEMP_THRESHOLD;
941 } else if (!strncmp("bf_temp_fast_filter=", buf, 20)) {
942 if (sscanf(buf+20, "%d", &value) != 1)
943 return -EINVAL;
944 if (value < IWL_BF_TEMP_FAST_FILTER_MIN ||
945 value > IWL_BF_TEMP_FAST_FILTER_MAX)
946 return -EINVAL;
947 param = MVM_DEBUGFS_BF_TEMP_FAST_FILTER;
948 } else if (!strncmp("bf_temp_slow_filter=", buf, 20)) {
949 if (sscanf(buf+20, "%d", &value) != 1)
950 return -EINVAL;
951 if (value < IWL_BF_TEMP_SLOW_FILTER_MIN ||
952 value > IWL_BF_TEMP_SLOW_FILTER_MAX)
953 return -EINVAL;
954 param = MVM_DEBUGFS_BF_TEMP_SLOW_FILTER;
955 } else if (!strncmp("bf_enable_beacon_filter=", buf, 24)) {
956 if (sscanf(buf+24, "%d", &value) != 1)
957 return -EINVAL;
958 if (value < 0 || value > 1)
959 return -EINVAL;
960 param = MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER;
961 } else if (!strncmp("bf_debug_flag=", buf, 14)) {
962 if (sscanf(buf+14, "%d", &value) != 1)
963 return -EINVAL;
964 if (value < 0 || value > 1)
965 return -EINVAL;
966 param = MVM_DEBUGFS_BF_DEBUG_FLAG;
967 } else if (!strncmp("bf_escape_timer=", buf, 16)) {
968 if (sscanf(buf+16, "%d", &value) != 1)
969 return -EINVAL;
970 if (value < IWL_BF_ESCAPE_TIMER_MIN ||
971 value > IWL_BF_ESCAPE_TIMER_MAX)
972 return -EINVAL;
973 param = MVM_DEBUGFS_BF_ESCAPE_TIMER;
974 } else if (!strncmp("ba_escape_timer=", buf, 16)) {
975 if (sscanf(buf+16, "%d", &value) != 1)
976 return -EINVAL;
977 if (value < IWL_BA_ESCAPE_TIMER_MIN ||
978 value > IWL_BA_ESCAPE_TIMER_MAX)
979 return -EINVAL;
980 param = MVM_DEBUGFS_BA_ESCAPE_TIMER;
981 } else if (!strncmp("ba_enable_beacon_abort=", buf, 23)) {
982 if (sscanf(buf+23, "%d", &value) != 1)
983 return -EINVAL;
984 if (value < 0 || value > 1)
985 return -EINVAL;
986 param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT;
987 } else {
988 return -EINVAL;
989 }
990
991 mutex_lock(&mvm->mutex);
992 iwl_dbgfs_update_bf(vif, param, value);
993 if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value)
994 ret = iwl_mvm_disable_beacon_filter(mvm, vif);
995 else
996 ret = iwl_mvm_enable_beacon_filter(mvm, vif);
997 mutex_unlock(&mvm->mutex);
998
999 return ret ?: count;
1000}
1001
1002static ssize_t iwl_dbgfs_bf_params_read(struct file *file,
1003 char __user *user_buf,
1004 size_t count, loff_t *ppos)
1005{
1006 struct ieee80211_vif *vif = file->private_data;
1007 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1008 char buf[256];
1009 int pos = 0;
1010 const size_t bufsz = sizeof(buf);
1011 struct iwl_beacon_filter_cmd cmd = {
1012 IWL_BF_CMD_CONFIG_DEFAULTS,
1013 .bf_enable_beacon_filter =
1014 cpu_to_le32(IWL_BF_ENABLE_BEACON_FILTER_DEFAULT),
1015 .ba_enable_beacon_abort =
1016 cpu_to_le32(IWL_BA_ENABLE_BEACON_ABORT_DEFAULT),
1017 };
1018
1019 iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
1020 if (mvmvif->bf_data.bf_enabled)
1021 cmd.bf_enable_beacon_filter = cpu_to_le32(1);
1022 else
1023 cmd.bf_enable_beacon_filter = 0;
1024
1025 pos += scnprintf(buf+pos, bufsz-pos, "bf_energy_delta = %d\n",
1026 le32_to_cpu(cmd.bf_energy_delta));
1027 pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_energy_delta = %d\n",
1028 le32_to_cpu(cmd.bf_roaming_energy_delta));
1029 pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_state = %d\n",
1030 le32_to_cpu(cmd.bf_roaming_state));
1031 pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_threshold = %d\n",
1032 le32_to_cpu(cmd.bf_temp_threshold));
1033 pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_fast_filter = %d\n",
1034 le32_to_cpu(cmd.bf_temp_fast_filter));
1035 pos += scnprintf(buf+pos, bufsz-pos, "bf_temp_slow_filter = %d\n",
1036 le32_to_cpu(cmd.bf_temp_slow_filter));
1037 pos += scnprintf(buf+pos, bufsz-pos, "bf_enable_beacon_filter = %d\n",
1038 le32_to_cpu(cmd.bf_enable_beacon_filter));
1039 pos += scnprintf(buf+pos, bufsz-pos, "bf_debug_flag = %d\n",
1040 le32_to_cpu(cmd.bf_debug_flag));
1041 pos += scnprintf(buf+pos, bufsz-pos, "bf_escape_timer = %d\n",
1042 le32_to_cpu(cmd.bf_escape_timer));
1043 pos += scnprintf(buf+pos, bufsz-pos, "ba_escape_timer = %d\n",
1044 le32_to_cpu(cmd.ba_escape_timer));
1045 pos += scnprintf(buf+pos, bufsz-pos, "ba_enable_beacon_abort = %d\n",
1046 le32_to_cpu(cmd.ba_enable_beacon_abort));
1047
1048 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1049}
1050
1051#ifdef CONFIG_PM_SLEEP 650#ifdef CONFIG_PM_SLEEP
1052static ssize_t iwl_dbgfs_d3_sram_write(struct file *file, 651static ssize_t iwl_dbgfs_d3_sram_write(struct file *file,
1053 const char __user *user_buf, 652 const char __user *user_buf,
@@ -1113,40 +712,12 @@ static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
1113} 712}
1114#endif 713#endif
1115 714
1116#define MVM_DEBUGFS_READ_FILE_OPS(name) \
1117static const struct file_operations iwl_dbgfs_##name##_ops = { \
1118 .read = iwl_dbgfs_##name##_read, \
1119 .open = simple_open, \
1120 .llseek = generic_file_llseek, \
1121}
1122
1123#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name) \
1124static const struct file_operations iwl_dbgfs_##name##_ops = { \
1125 .write = iwl_dbgfs_##name##_write, \
1126 .read = iwl_dbgfs_##name##_read, \
1127 .open = simple_open, \
1128 .llseek = generic_file_llseek, \
1129};
1130
1131#define MVM_DEBUGFS_WRITE_FILE_OPS(name) \
1132static const struct file_operations iwl_dbgfs_##name##_ops = { \
1133 .write = iwl_dbgfs_##name##_write, \
1134 .open = simple_open, \
1135 .llseek = generic_file_llseek, \
1136};
1137
1138#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) do { \ 715#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) do { \
1139 if (!debugfs_create_file(#name, mode, parent, mvm, \ 716 if (!debugfs_create_file(#name, mode, parent, mvm, \
1140 &iwl_dbgfs_##name##_ops)) \ 717 &iwl_dbgfs_##name##_ops)) \
1141 goto err; \ 718 goto err; \
1142 } while (0) 719 } while (0)
1143 720
1144#define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \
1145 if (!debugfs_create_file(#name, mode, parent, vif, \
1146 &iwl_dbgfs_##name##_ops)) \
1147 goto err; \
1148 } while (0)
1149
1150/* Device wide debugfs entries */ 721/* Device wide debugfs entries */
1151MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush); 722MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush);
1152MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain); 723MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain);
@@ -1164,11 +735,6 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain);
1164MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram); 735MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram);
1165#endif 736#endif
1166 737
1167/* Interface specific debugfs entries */
1168MVM_DEBUGFS_READ_FILE_OPS(mac_params);
1169MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params);
1170MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params);
1171
1172int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) 738int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
1173{ 739{
1174 char buf[100]; 740 char buf[100];
@@ -1212,72 +778,3 @@ err:
1212 IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); 778 IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
1213 return -ENOMEM; 779 return -ENOMEM;
1214} 780}
1215
1216void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1217{
1218 struct dentry *dbgfs_dir = vif->debugfs_dir;
1219 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1220 char buf[100];
1221
1222 /*
1223 * Check if debugfs directory already exist before creating it.
1224 * This may happen when, for example, resetting hw or suspend-resume
1225 */
1226 if (!dbgfs_dir || mvmvif->dbgfs_dir)
1227 return;
1228
1229 mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
1230 mvmvif->dbgfs_data = mvm;
1231
1232 if (!mvmvif->dbgfs_dir) {
1233 IWL_ERR(mvm, "Failed to create debugfs directory under %s\n",
1234 dbgfs_dir->d_name.name);
1235 return;
1236 }
1237
1238 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM &&
1239 vif->type == NL80211_IFTYPE_STATION && !vif->p2p)
1240 MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR |
1241 S_IRUSR);
1242
1243 MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir,
1244 S_IRUSR);
1245
1246 if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
1247 mvmvif == mvm->bf_allowed_vif)
1248 MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir,
1249 S_IRUSR | S_IWUSR);
1250
1251 /*
1252 * Create symlink for convenience pointing to interface specific
1253 * debugfs entries for the driver. For example, under
1254 * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/
1255 * find
1256 * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/
1257 */
1258 snprintf(buf, 100, "../../../%s/%s/%s/%s",
1259 dbgfs_dir->d_parent->d_parent->d_name.name,
1260 dbgfs_dir->d_parent->d_name.name,
1261 dbgfs_dir->d_name.name,
1262 mvmvif->dbgfs_dir->d_name.name);
1263
1264 mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
1265 mvm->debugfs_dir, buf);
1266 if (!mvmvif->dbgfs_slink)
1267 IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n",
1268 dbgfs_dir->d_name.name);
1269 return;
1270err:
1271 IWL_ERR(mvm, "Can't create debugfs entity\n");
1272}
1273
1274void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1275{
1276 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1277
1278 debugfs_remove(mvmvif->dbgfs_slink);
1279 mvmvif->dbgfs_slink = NULL;
1280
1281 debugfs_remove_recursive(mvmvif->dbgfs_dir);
1282 mvmvif->dbgfs_dir = NULL;
1283}
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.h b/drivers/net/wireless/iwlwifi/mvm/debugfs.h
new file mode 100644
index 000000000000..faa73b80b624
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.h
@@ -0,0 +1,84 @@
1/******************************************************************************
2 *
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.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
9 *
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.
13 *
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.
18 *
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,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
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
45 * distribution.
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.
49 *
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.
61 *
62 *****************************************************************************/
63
64#define MVM_DEBUGFS_READ_FILE_OPS(name) \
65static const struct file_operations iwl_dbgfs_##name##_ops = { \
66 .read = iwl_dbgfs_##name##_read, \
67 .open = simple_open, \
68 .llseek = generic_file_llseek, \
69}
70
71#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name) \
72static const struct file_operations iwl_dbgfs_##name##_ops = { \
73 .write = iwl_dbgfs_##name##_write, \
74 .read = iwl_dbgfs_##name##_read, \
75 .open = simple_open, \
76 .llseek = generic_file_llseek, \
77};
78
79#define MVM_DEBUGFS_WRITE_FILE_OPS(name) \
80static const struct file_operations iwl_dbgfs_##name##_ops = { \
81 .write = iwl_dbgfs_##name##_write, \
82 .open = simple_open, \
83 .llseek = generic_file_llseek, \
84};
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-01 09:09:41 -0400