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8ca151b5 JB |
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 | * | |
51368bf7 | 8 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
c779273b | 9 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
43413a97 | 10 | * Copyright(c) 2016 Intel Deutschland GmbH |
8ca151b5 JB |
11 | * |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of version 2 of the GNU General Public License as | |
14 | * published by the Free Software Foundation. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, but | |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | * General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
24 | * USA | |
25 | * | |
26 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 27 | * in the file called COPYING. |
8ca151b5 JB |
28 | * |
29 | * Contact Information: | |
cb2f8277 | 30 | * Intel Linux Wireless <linuxwifi@intel.com> |
8ca151b5 JB |
31 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
32 | * | |
33 | * BSD LICENSE | |
34 | * | |
51368bf7 | 35 | * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. |
c779273b | 36 | * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH |
8ca151b5 JB |
37 | * All rights reserved. |
38 | * | |
39 | * Redistribution and use in source and binary forms, with or without | |
40 | * modification, are permitted provided that the following conditions | |
41 | * are met: | |
42 | * | |
43 | * * Redistributions of source code must retain the above copyright | |
44 | * notice, this list of conditions and the following disclaimer. | |
45 | * * Redistributions in binary form must reproduce the above copyright | |
46 | * notice, this list of conditions and the following disclaimer in | |
47 | * the documentation and/or other materials provided with the | |
48 | * distribution. | |
49 | * * Neither the name Intel Corporation nor the names of its | |
50 | * contributors may be used to endorse or promote products derived | |
51 | * from this software without specific prior written permission. | |
52 | * | |
53 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
54 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
55 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
56 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
57 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
58 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
59 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
60 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
61 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
62 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
63 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
64 | * | |
65 | *****************************************************************************/ | |
192c80a2 | 66 | #include <linux/vmalloc.h> |
9e7dce28 | 67 | #include <linux/ieee80211.h> |
192c80a2 | 68 | |
8ca151b5 | 69 | #include "mvm.h" |
2f89a5d7 | 70 | #include "fw-dbg.h" |
8ca151b5 JB |
71 | #include "sta.h" |
72 | #include "iwl-io.h" | |
820a1a50 | 73 | #include "debugfs.h" |
4d075007 | 74 | #include "iwl-fw-error-dump.h" |
8ca151b5 | 75 | |
00f481bd CRI |
76 | static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file, |
77 | char __user *user_buf, | |
78 | size_t count, loff_t *ppos) | |
79 | { | |
80 | struct iwl_mvm *mvm = file->private_data; | |
81 | char buf[16]; | |
82 | int pos, budget; | |
83 | ||
84 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
85 | return -EIO; | |
86 | ||
87 | mutex_lock(&mvm->mutex); | |
88 | budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0); | |
89 | mutex_unlock(&mvm->mutex); | |
90 | ||
91 | if (budget < 0) | |
92 | return budget; | |
93 | ||
94 | pos = scnprintf(buf, sizeof(buf), "%d\n", budget); | |
95 | ||
96 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
97 | } | |
98 | ||
99 | static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf, | |
100 | size_t count, loff_t *ppos) | |
101 | { | |
102 | int ret; | |
103 | ||
104 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
105 | return -EIO; | |
106 | ||
107 | mutex_lock(&mvm->mutex); | |
108 | ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0); | |
109 | mutex_unlock(&mvm->mutex); | |
110 | ||
111 | return ret ?: count; | |
112 | } | |
113 | ||
1fa3f57a | 114 | static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, |
8ca151b5 JB |
115 | size_t count, loff_t *ppos) |
116 | { | |
8a0bd168 | 117 | int ret; |
8ca151b5 JB |
118 | u32 scd_q_msk; |
119 | ||
120 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
121 | return -EIO; | |
122 | ||
8ca151b5 JB |
123 | if (sscanf(buf, "%x", &scd_q_msk) != 1) |
124 | return -EINVAL; | |
125 | ||
126 | IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk); | |
127 | ||
128 | mutex_lock(&mvm->mutex); | |
5888a40c | 129 | ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count; |
8ca151b5 JB |
130 | mutex_unlock(&mvm->mutex); |
131 | ||
132 | return ret; | |
133 | } | |
134 | ||
1fa3f57a | 135 | static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf, |
8ca151b5 JB |
136 | size_t count, loff_t *ppos) |
137 | { | |
f327b04c | 138 | struct iwl_mvm_sta *mvmsta; |
8a0bd168 | 139 | int sta_id, drain, ret; |
8ca151b5 JB |
140 | |
141 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
142 | return -EIO; | |
143 | ||
8ca151b5 JB |
144 | if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) |
145 | return -EINVAL; | |
60765a47 JB |
146 | if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT) |
147 | return -EINVAL; | |
148 | if (drain < 0 || drain > 1) | |
149 | return -EINVAL; | |
8ca151b5 JB |
150 | |
151 | mutex_lock(&mvm->mutex); | |
152 | ||
f327b04c EG |
153 | mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); |
154 | ||
155 | if (!mvmsta) | |
8ca151b5 JB |
156 | ret = -ENOENT; |
157 | else | |
f327b04c | 158 | ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count; |
8ca151b5 JB |
159 | |
160 | mutex_unlock(&mvm->mutex); | |
161 | ||
162 | return ret; | |
163 | } | |
164 | ||
165 | static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, | |
166 | size_t count, loff_t *ppos) | |
167 | { | |
168 | struct iwl_mvm *mvm = file->private_data; | |
169 | const struct fw_img *img; | |
d510342f EG |
170 | unsigned int ofs, len; |
171 | size_t ret; | |
8ca151b5 JB |
172 | u8 *ptr; |
173 | ||
60191d99 JB |
174 | if (!mvm->ucode_loaded) |
175 | return -EINVAL; | |
176 | ||
8ca151b5 | 177 | /* default is to dump the entire data segment */ |
d510342f EG |
178 | img = &mvm->fw->img[mvm->cur_ucode]; |
179 | ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; | |
180 | len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
181 | ||
01e0efe3 | 182 | if (mvm->dbgfs_sram_len) { |
60191d99 JB |
183 | ofs = mvm->dbgfs_sram_offset; |
184 | len = mvm->dbgfs_sram_len; | |
8ca151b5 | 185 | } |
8ca151b5 | 186 | |
8ca151b5 | 187 | ptr = kzalloc(len, GFP_KERNEL); |
d510342f | 188 | if (!ptr) |
8ca151b5 | 189 | return -ENOMEM; |
8ca151b5 | 190 | |
60191d99 | 191 | iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); |
8ca151b5 | 192 | |
d510342f | 193 | ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len); |
8ca151b5 | 194 | |
8ca151b5 JB |
195 | kfree(ptr); |
196 | ||
197 | return ret; | |
198 | } | |
199 | ||
1fa3f57a JB |
200 | static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf, |
201 | size_t count, loff_t *ppos) | |
8ca151b5 | 202 | { |
d510342f | 203 | const struct fw_img *img; |
8ca151b5 | 204 | u32 offset, len; |
d510342f EG |
205 | u32 img_offset, img_len; |
206 | ||
207 | if (!mvm->ucode_loaded) | |
208 | return -EINVAL; | |
209 | ||
210 | img = &mvm->fw->img[mvm->cur_ucode]; | |
211 | img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset; | |
212 | img_len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
8ca151b5 | 213 | |
8ca151b5 JB |
214 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { |
215 | if ((offset & 0x3) || (len & 0x3)) | |
216 | return -EINVAL; | |
d510342f EG |
217 | |
218 | if (offset + len > img_offset + img_len) | |
219 | return -EINVAL; | |
220 | ||
8ca151b5 JB |
221 | mvm->dbgfs_sram_offset = offset; |
222 | mvm->dbgfs_sram_len = len; | |
223 | } else { | |
224 | mvm->dbgfs_sram_offset = 0; | |
225 | mvm->dbgfs_sram_len = 0; | |
226 | } | |
227 | ||
228 | return count; | |
229 | } | |
230 | ||
7280d1f0 MG |
231 | static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file, |
232 | char __user *user_buf, | |
233 | size_t count, loff_t *ppos) | |
234 | { | |
235 | struct iwl_mvm *mvm = file->private_data; | |
236 | char buf[16]; | |
237 | int pos; | |
238 | ||
239 | if (!mvm->temperature_test) | |
240 | pos = scnprintf(buf , sizeof(buf), "disabled\n"); | |
241 | else | |
242 | pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature); | |
243 | ||
244 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
245 | } | |
246 | ||
247 | /* | |
248 | * Set NIC Temperature | |
249 | * Cause the driver to ignore the actual NIC temperature reported by the FW | |
250 | * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN - | |
251 | * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX | |
252 | * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE | |
253 | */ | |
254 | static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm, | |
255 | char *buf, size_t count, | |
256 | loff_t *ppos) | |
257 | { | |
258 | int temperature; | |
259 | ||
a26d4e7b LC |
260 | if (!mvm->ucode_loaded && !mvm->temperature_test) |
261 | return -EIO; | |
262 | ||
7280d1f0 MG |
263 | if (kstrtoint(buf, 10, &temperature)) |
264 | return -EINVAL; | |
265 | /* not a legal temperature */ | |
266 | if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX && | |
267 | temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) || | |
268 | temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN) | |
269 | return -EINVAL; | |
270 | ||
271 | mutex_lock(&mvm->mutex); | |
272 | if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) { | |
b689fa79 LC |
273 | if (!mvm->temperature_test) |
274 | goto out; | |
275 | ||
7280d1f0 | 276 | mvm->temperature_test = false; |
b689fa79 LC |
277 | /* Since we can't read the temp while awake, just set |
278 | * it to zero until we get the next RX stats from the | |
279 | * firmware. | |
280 | */ | |
281 | mvm->temperature = 0; | |
7280d1f0 MG |
282 | } else { |
283 | mvm->temperature_test = true; | |
284 | mvm->temperature = temperature; | |
285 | } | |
286 | IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n", | |
287 | mvm->temperature_test ? "En" : "Dis" , | |
288 | mvm->temperature); | |
289 | /* handle the temperature change */ | |
290 | iwl_mvm_tt_handler(mvm); | |
b689fa79 LC |
291 | |
292 | out: | |
7280d1f0 MG |
293 | mutex_unlock(&mvm->mutex); |
294 | ||
295 | return count; | |
296 | } | |
297 | ||
c549e390 LC |
298 | static ssize_t iwl_dbgfs_nic_temp_read(struct file *file, |
299 | char __user *user_buf, | |
300 | size_t count, loff_t *ppos) | |
301 | { | |
302 | struct iwl_mvm *mvm = file->private_data; | |
303 | char buf[16]; | |
7869318e CRI |
304 | int pos, ret; |
305 | s32 temp; | |
c549e390 LC |
306 | |
307 | if (!mvm->ucode_loaded) | |
308 | return -EIO; | |
309 | ||
310 | mutex_lock(&mvm->mutex); | |
7869318e | 311 | ret = iwl_mvm_get_temp(mvm, &temp); |
c549e390 LC |
312 | mutex_unlock(&mvm->mutex); |
313 | ||
7869318e CRI |
314 | if (ret) |
315 | return -EIO; | |
c549e390 LC |
316 | |
317 | pos = scnprintf(buf , sizeof(buf), "%d\n", temp); | |
318 | ||
319 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
320 | } | |
321 | ||
8ca151b5 JB |
322 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, |
323 | size_t count, loff_t *ppos) | |
324 | { | |
325 | struct iwl_mvm *mvm = file->private_data; | |
326 | struct ieee80211_sta *sta; | |
327 | char buf[400]; | |
328 | int i, pos = 0, bufsz = sizeof(buf); | |
329 | ||
330 | mutex_lock(&mvm->mutex); | |
331 | ||
332 | for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { | |
333 | pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); | |
334 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], | |
335 | lockdep_is_held(&mvm->mutex)); | |
336 | if (!sta) | |
337 | pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); | |
338 | else if (IS_ERR(sta)) | |
339 | pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", | |
340 | PTR_ERR(sta)); | |
341 | else | |
342 | pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", | |
343 | sta->addr); | |
344 | } | |
345 | ||
346 | mutex_unlock(&mvm->mutex); | |
347 | ||
348 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
349 | } | |
350 | ||
64b928c4 AB |
351 | static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file, |
352 | char __user *user_buf, | |
8ca151b5 JB |
353 | size_t count, loff_t *ppos) |
354 | { | |
355 | struct iwl_mvm *mvm = file->private_data; | |
64b928c4 AB |
356 | char buf[64]; |
357 | int bufsz = sizeof(buf); | |
358 | int pos = 0; | |
8ca151b5 | 359 | |
64b928c4 AB |
360 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n", |
361 | mvm->disable_power_off); | |
362 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", | |
363 | mvm->disable_power_off_d3); | |
8ca151b5 | 364 | |
64b928c4 | 365 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
8ca151b5 JB |
366 | } |
367 | ||
1fa3f57a | 368 | static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, |
64b928c4 | 369 | size_t count, loff_t *ppos) |
8ca151b5 | 370 | { |
1fa3f57a | 371 | int ret, val; |
64b928c4 AB |
372 | |
373 | if (!mvm->ucode_loaded) | |
374 | return -EIO; | |
8ca151b5 | 375 | |
64b928c4 AB |
376 | if (!strncmp("disable_power_off_d0=", buf, 21)) { |
377 | if (sscanf(buf + 21, "%d", &val) != 1) | |
378 | return -EINVAL; | |
379 | mvm->disable_power_off = val; | |
380 | } else if (!strncmp("disable_power_off_d3=", buf, 21)) { | |
381 | if (sscanf(buf + 21, "%d", &val) != 1) | |
382 | return -EINVAL; | |
383 | mvm->disable_power_off_d3 = val; | |
384 | } else { | |
8ca151b5 | 385 | return -EINVAL; |
64b928c4 | 386 | } |
8ca151b5 | 387 | |
64b928c4 | 388 | mutex_lock(&mvm->mutex); |
c1cb92fc | 389 | ret = iwl_mvm_power_update_device(mvm); |
64b928c4 | 390 | mutex_unlock(&mvm->mutex); |
8ca151b5 | 391 | |
64b928c4 | 392 | return ret ?: count; |
8ca151b5 JB |
393 | } |
394 | ||
10942342 EG |
395 | #define BT_MBOX_MSG(_notif, _num, _field) \ |
396 | ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\ | |
397 | >> BT_MBOX##_num##_##_field##_POS) | |
398 | ||
399 | ||
400 | #define BT_MBOX_PRINT(_num, _field, _end) \ | |
401 | pos += scnprintf(buf + pos, bufsz - pos, \ | |
402 | "\t%s: %d%s", \ | |
403 | #_field, \ | |
404 | BT_MBOX_MSG(notif, _num, _field), \ | |
405 | true ? "\n" : ", "); | |
406 | ||
160be571 EG |
407 | static |
408 | int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, | |
409 | int pos, int bufsz) | |
10942342 | 410 | { |
160be571 | 411 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); |
10942342 | 412 | |
160be571 EG |
413 | BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); |
414 | BT_MBOX_PRINT(0, LE_PROF1, false); | |
415 | BT_MBOX_PRINT(0, LE_PROF2, false); | |
416 | BT_MBOX_PRINT(0, LE_PROF_OTHER, false); | |
417 | BT_MBOX_PRINT(0, CHL_SEQ_N, false); | |
418 | BT_MBOX_PRINT(0, INBAND_S, false); | |
419 | BT_MBOX_PRINT(0, LE_MIN_RSSI, false); | |
420 | BT_MBOX_PRINT(0, LE_SCAN, false); | |
421 | BT_MBOX_PRINT(0, LE_ADV, false); | |
422 | BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); | |
423 | BT_MBOX_PRINT(0, OPEN_CON_1, true); | |
10942342 | 424 | |
160be571 EG |
425 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); |
426 | ||
427 | BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); | |
428 | BT_MBOX_PRINT(1, IP_SR, false); | |
429 | BT_MBOX_PRINT(1, LE_MSTR, false); | |
430 | BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); | |
431 | BT_MBOX_PRINT(1, MSG_TYPE, false); | |
432 | BT_MBOX_PRINT(1, SSN, true); | |
433 | ||
434 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); | |
435 | ||
436 | BT_MBOX_PRINT(2, SNIFF_ACT, false); | |
437 | BT_MBOX_PRINT(2, PAG, false); | |
438 | BT_MBOX_PRINT(2, INQUIRY, false); | |
439 | BT_MBOX_PRINT(2, CONN, false); | |
440 | BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); | |
441 | BT_MBOX_PRINT(2, DISC, false); | |
442 | BT_MBOX_PRINT(2, SCO_TX_ACT, false); | |
443 | BT_MBOX_PRINT(2, SCO_RX_ACT, false); | |
444 | BT_MBOX_PRINT(2, ESCO_RE_TX, false); | |
445 | BT_MBOX_PRINT(2, SCO_DURATION, true); | |
10942342 | 446 | |
160be571 EG |
447 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); |
448 | ||
449 | BT_MBOX_PRINT(3, SCO_STATE, false); | |
450 | BT_MBOX_PRINT(3, SNIFF_STATE, false); | |
451 | BT_MBOX_PRINT(3, A2DP_STATE, false); | |
452 | BT_MBOX_PRINT(3, ACL_STATE, false); | |
453 | BT_MBOX_PRINT(3, MSTR_STATE, false); | |
454 | BT_MBOX_PRINT(3, OBX_STATE, false); | |
455 | BT_MBOX_PRINT(3, OPEN_CON_2, false); | |
456 | BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); | |
457 | BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); | |
458 | BT_MBOX_PRINT(3, INBAND_P, false); | |
459 | BT_MBOX_PRINT(3, MSG_TYPE_2, false); | |
460 | BT_MBOX_PRINT(3, SSN_2, false); | |
461 | BT_MBOX_PRINT(3, UPDATE_REQUEST, true); | |
462 | ||
463 | return pos; | |
464 | } | |
465 | ||
466 | static | |
467 | int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif, | |
468 | char *buf, int pos, int bufsz) | |
469 | { | |
10942342 EG |
470 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); |
471 | ||
472 | BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); | |
473 | BT_MBOX_PRINT(0, LE_PROF1, false); | |
474 | BT_MBOX_PRINT(0, LE_PROF2, false); | |
475 | BT_MBOX_PRINT(0, LE_PROF_OTHER, false); | |
476 | BT_MBOX_PRINT(0, CHL_SEQ_N, false); | |
477 | BT_MBOX_PRINT(0, INBAND_S, false); | |
478 | BT_MBOX_PRINT(0, LE_MIN_RSSI, false); | |
479 | BT_MBOX_PRINT(0, LE_SCAN, false); | |
480 | BT_MBOX_PRINT(0, LE_ADV, false); | |
481 | BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); | |
482 | BT_MBOX_PRINT(0, OPEN_CON_1, true); | |
483 | ||
484 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); | |
485 | ||
486 | BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); | |
487 | BT_MBOX_PRINT(1, IP_SR, false); | |
488 | BT_MBOX_PRINT(1, LE_MSTR, false); | |
489 | BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); | |
490 | BT_MBOX_PRINT(1, MSG_TYPE, false); | |
491 | BT_MBOX_PRINT(1, SSN, true); | |
492 | ||
493 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); | |
494 | ||
495 | BT_MBOX_PRINT(2, SNIFF_ACT, false); | |
496 | BT_MBOX_PRINT(2, PAG, false); | |
497 | BT_MBOX_PRINT(2, INQUIRY, false); | |
498 | BT_MBOX_PRINT(2, CONN, false); | |
499 | BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); | |
500 | BT_MBOX_PRINT(2, DISC, false); | |
501 | BT_MBOX_PRINT(2, SCO_TX_ACT, false); | |
502 | BT_MBOX_PRINT(2, SCO_RX_ACT, false); | |
503 | BT_MBOX_PRINT(2, ESCO_RE_TX, false); | |
504 | BT_MBOX_PRINT(2, SCO_DURATION, true); | |
505 | ||
506 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); | |
507 | ||
508 | BT_MBOX_PRINT(3, SCO_STATE, false); | |
509 | BT_MBOX_PRINT(3, SNIFF_STATE, false); | |
510 | BT_MBOX_PRINT(3, A2DP_STATE, false); | |
511 | BT_MBOX_PRINT(3, ACL_STATE, false); | |
512 | BT_MBOX_PRINT(3, MSTR_STATE, false); | |
513 | BT_MBOX_PRINT(3, OBX_STATE, false); | |
514 | BT_MBOX_PRINT(3, OPEN_CON_2, false); | |
515 | BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); | |
516 | BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); | |
517 | BT_MBOX_PRINT(3, INBAND_P, false); | |
518 | BT_MBOX_PRINT(3, MSG_TYPE_2, false); | |
519 | BT_MBOX_PRINT(3, SSN_2, false); | |
520 | BT_MBOX_PRINT(3, UPDATE_REQUEST, true); | |
521 | ||
160be571 EG |
522 | return pos; |
523 | } | |
524 | ||
525 | static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, | |
526 | size_t count, loff_t *ppos) | |
527 | { | |
528 | struct iwl_mvm *mvm = file->private_data; | |
529 | char *buf; | |
530 | int ret, pos = 0, bufsz = sizeof(char) * 1024; | |
531 | ||
532 | buf = kmalloc(bufsz, GFP_KERNEL); | |
533 | if (!buf) | |
534 | return -ENOMEM; | |
535 | ||
536 | mutex_lock(&mvm->mutex); | |
537 | ||
859d914c JB |
538 | if (!fw_has_api(&mvm->fw->ucode_capa, |
539 | IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { | |
160be571 EG |
540 | struct iwl_bt_coex_profile_notif_old *notif = |
541 | &mvm->last_bt_notif_old; | |
542 | ||
543 | pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz); | |
544 | ||
545 | pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", | |
546 | notif->bt_ci_compliance); | |
547 | pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", | |
548 | le32_to_cpu(notif->primary_ch_lut)); | |
549 | pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", | |
550 | le32_to_cpu(notif->secondary_ch_lut)); | |
551 | pos += scnprintf(buf+pos, | |
552 | bufsz-pos, "bt_activity_grading = %d\n", | |
553 | le32_to_cpu(notif->bt_activity_grading)); | |
554 | pos += scnprintf(buf+pos, bufsz-pos, | |
555 | "antenna isolation = %d CORUN LUT index = %d\n", | |
556 | mvm->last_ant_isol, mvm->last_corun_lut); | |
48f0a038 MH |
557 | pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", |
558 | notif->rrc_enabled); | |
559 | pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", | |
560 | notif->ttc_enabled); | |
160be571 EG |
561 | } else { |
562 | struct iwl_bt_coex_profile_notif *notif = | |
563 | &mvm->last_bt_notif; | |
564 | ||
565 | pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); | |
566 | ||
567 | pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", | |
568 | notif->bt_ci_compliance); | |
569 | pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", | |
570 | le32_to_cpu(notif->primary_ch_lut)); | |
571 | pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", | |
572 | le32_to_cpu(notif->secondary_ch_lut)); | |
573 | pos += scnprintf(buf+pos, | |
574 | bufsz-pos, "bt_activity_grading = %d\n", | |
575 | le32_to_cpu(notif->bt_activity_grading)); | |
576 | pos += scnprintf(buf+pos, bufsz-pos, | |
577 | "antenna isolation = %d CORUN LUT index = %d\n", | |
578 | mvm->last_ant_isol, mvm->last_corun_lut); | |
48f0a038 MH |
579 | pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", |
580 | (notif->ttc_rrc_status >> 4) & 0xF); | |
581 | pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", | |
582 | notif->ttc_rrc_status & 0xF); | |
160be571 | 583 | } |
10942342 | 584 | |
c725a46b MH |
585 | pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n", |
586 | IWL_MVM_BT_COEX_SYNC2SCO); | |
587 | pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n", | |
588 | IWL_MVM_BT_COEX_MPLUT); | |
589 | pos += scnprintf(buf + pos, bufsz - pos, "corunning = %d\n", | |
590 | IWL_MVM_BT_COEX_CORUNNING); | |
591 | ||
10942342 EG |
592 | mutex_unlock(&mvm->mutex); |
593 | ||
594 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
595 | kfree(buf); | |
596 | ||
597 | return ret; | |
598 | } | |
599 | #undef BT_MBOX_PRINT | |
600 | ||
2de13cae EG |
601 | static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, |
602 | size_t count, loff_t *ppos) | |
603 | { | |
604 | struct iwl_mvm *mvm = file->private_data; | |
2de13cae EG |
605 | char buf[256]; |
606 | int bufsz = sizeof(buf); | |
607 | int pos = 0; | |
608 | ||
609 | mutex_lock(&mvm->mutex); | |
610 | ||
859d914c JB |
611 | if (!fw_has_api(&mvm->fw->ucode_capa, |
612 | IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { | |
160be571 EG |
613 | struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old; |
614 | ||
615 | pos += scnprintf(buf+pos, bufsz-pos, | |
616 | "Channel inhibition CMD\n"); | |
617 | pos += scnprintf(buf+pos, bufsz-pos, | |
618 | "\tPrimary Channel Bitmap 0x%016llx\n", | |
619 | le64_to_cpu(cmd->bt_primary_ci)); | |
620 | pos += scnprintf(buf+pos, bufsz-pos, | |
621 | "\tSecondary Channel Bitmap 0x%016llx\n", | |
622 | le64_to_cpu(cmd->bt_secondary_ci)); | |
623 | ||
aee8bf5d EG |
624 | pos += scnprintf(buf+pos, bufsz-pos, |
625 | "BT Configuration CMD - 0=default, 1=never, 2=always\n"); | |
626 | pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill msk idx %d\n", | |
627 | mvm->bt_ack_kill_msk[0]); | |
628 | pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill msk idx %d\n", | |
629 | mvm->bt_cts_kill_msk[0]); | |
160be571 EG |
630 | |
631 | } else { | |
632 | struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; | |
633 | ||
634 | pos += scnprintf(buf+pos, bufsz-pos, | |
635 | "Channel inhibition CMD\n"); | |
636 | pos += scnprintf(buf+pos, bufsz-pos, | |
637 | "\tPrimary Channel Bitmap 0x%016llx\n", | |
638 | le64_to_cpu(cmd->bt_primary_ci)); | |
639 | pos += scnprintf(buf+pos, bufsz-pos, | |
640 | "\tSecondary Channel Bitmap 0x%016llx\n", | |
641 | le64_to_cpu(cmd->bt_secondary_ci)); | |
160be571 | 642 | } |
2de13cae EG |
643 | |
644 | mutex_unlock(&mvm->mutex); | |
645 | ||
646 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
647 | } | |
648 | ||
cdb00563 EG |
649 | static ssize_t |
650 | iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf, | |
651 | size_t count, loff_t *ppos) | |
652 | { | |
653 | u32 bt_tx_prio; | |
654 | ||
655 | if (sscanf(buf, "%u", &bt_tx_prio) != 1) | |
656 | return -EINVAL; | |
657 | if (bt_tx_prio > 4) | |
658 | return -EINVAL; | |
659 | ||
660 | mvm->bt_tx_prio = bt_tx_prio; | |
661 | ||
662 | return count; | |
663 | } | |
664 | ||
a39979a8 EG |
665 | static ssize_t |
666 | iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf, | |
667 | size_t count, loff_t *ppos) | |
668 | { | |
669 | static const char * const modes_str[BT_FORCE_ANT_MAX] = { | |
670 | [BT_FORCE_ANT_DIS] = "dis", | |
671 | [BT_FORCE_ANT_AUTO] = "auto", | |
672 | [BT_FORCE_ANT_BT] = "bt", | |
673 | [BT_FORCE_ANT_WIFI] = "wifi", | |
674 | }; | |
675 | int ret, bt_force_ant_mode; | |
676 | ||
677 | for (bt_force_ant_mode = 0; | |
678 | bt_force_ant_mode < ARRAY_SIZE(modes_str); | |
679 | bt_force_ant_mode++) { | |
680 | if (!strcmp(buf, modes_str[bt_force_ant_mode])) | |
681 | break; | |
682 | } | |
683 | ||
684 | if (bt_force_ant_mode >= ARRAY_SIZE(modes_str)) | |
685 | return -EINVAL; | |
686 | ||
687 | ret = 0; | |
688 | mutex_lock(&mvm->mutex); | |
689 | if (mvm->bt_force_ant_mode == bt_force_ant_mode) | |
690 | goto out; | |
691 | ||
692 | mvm->bt_force_ant_mode = bt_force_ant_mode; | |
693 | IWL_DEBUG_COEX(mvm, "Force mode: %s\n", | |
694 | modes_str[mvm->bt_force_ant_mode]); | |
695 | ret = iwl_send_bt_init_conf(mvm); | |
696 | ||
697 | out: | |
698 | mutex_unlock(&mvm->mutex); | |
699 | return ret ?: count; | |
700 | } | |
701 | ||
93d17cce | 702 | #define PRINT_STATS_LE32(_struct, _memb) \ |
3848ab66 | 703 | pos += scnprintf(buf + pos, bufsz - pos, \ |
93d17cce JB |
704 | fmt_table, #_memb, \ |
705 | le32_to_cpu(_struct->_memb)) | |
3848ab66 MG |
706 | |
707 | static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, | |
708 | char __user *user_buf, size_t count, | |
709 | loff_t *ppos) | |
710 | { | |
711 | struct iwl_mvm *mvm = file->private_data; | |
712 | static const char *fmt_table = "\t%-30s %10u\n"; | |
713 | static const char *fmt_header = "%-32s\n"; | |
714 | int pos = 0; | |
715 | char *buf; | |
716 | int ret; | |
3f617281 LC |
717 | /* 43 is the size of each data line, 33 is the size of each header */ |
718 | size_t bufsz = | |
719 | ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) + | |
720 | (4 * 33) + 1; | |
721 | ||
3848ab66 MG |
722 | struct mvm_statistics_rx_phy *ofdm; |
723 | struct mvm_statistics_rx_phy *cck; | |
724 | struct mvm_statistics_rx_non_phy *general; | |
725 | struct mvm_statistics_rx_ht_phy *ht; | |
726 | ||
727 | buf = kzalloc(bufsz, GFP_KERNEL); | |
728 | if (!buf) | |
729 | return -ENOMEM; | |
730 | ||
731 | mutex_lock(&mvm->mutex); | |
732 | ||
733 | ofdm = &mvm->rx_stats.ofdm; | |
734 | cck = &mvm->rx_stats.cck; | |
735 | general = &mvm->rx_stats.general; | |
736 | ht = &mvm->rx_stats.ofdm_ht; | |
737 | ||
738 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
739 | "Statistics_Rx - OFDM"); | |
93d17cce JB |
740 | PRINT_STATS_LE32(ofdm, ina_cnt); |
741 | PRINT_STATS_LE32(ofdm, fina_cnt); | |
742 | PRINT_STATS_LE32(ofdm, plcp_err); | |
743 | PRINT_STATS_LE32(ofdm, crc32_err); | |
744 | PRINT_STATS_LE32(ofdm, overrun_err); | |
745 | PRINT_STATS_LE32(ofdm, early_overrun_err); | |
746 | PRINT_STATS_LE32(ofdm, crc32_good); | |
747 | PRINT_STATS_LE32(ofdm, false_alarm_cnt); | |
748 | PRINT_STATS_LE32(ofdm, fina_sync_err_cnt); | |
749 | PRINT_STATS_LE32(ofdm, sfd_timeout); | |
750 | PRINT_STATS_LE32(ofdm, fina_timeout); | |
751 | PRINT_STATS_LE32(ofdm, unresponded_rts); | |
752 | PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); | |
753 | PRINT_STATS_LE32(ofdm, sent_ack_cnt); | |
754 | PRINT_STATS_LE32(ofdm, sent_cts_cnt); | |
755 | PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); | |
756 | PRINT_STATS_LE32(ofdm, dsp_self_kill); | |
757 | PRINT_STATS_LE32(ofdm, mh_format_err); | |
758 | PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum); | |
759 | PRINT_STATS_LE32(ofdm, reserved); | |
3848ab66 MG |
760 | |
761 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
762 | "Statistics_Rx - CCK"); | |
93d17cce JB |
763 | PRINT_STATS_LE32(cck, ina_cnt); |
764 | PRINT_STATS_LE32(cck, fina_cnt); | |
765 | PRINT_STATS_LE32(cck, plcp_err); | |
766 | PRINT_STATS_LE32(cck, crc32_err); | |
767 | PRINT_STATS_LE32(cck, overrun_err); | |
768 | PRINT_STATS_LE32(cck, early_overrun_err); | |
769 | PRINT_STATS_LE32(cck, crc32_good); | |
770 | PRINT_STATS_LE32(cck, false_alarm_cnt); | |
771 | PRINT_STATS_LE32(cck, fina_sync_err_cnt); | |
772 | PRINT_STATS_LE32(cck, sfd_timeout); | |
773 | PRINT_STATS_LE32(cck, fina_timeout); | |
774 | PRINT_STATS_LE32(cck, unresponded_rts); | |
775 | PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); | |
776 | PRINT_STATS_LE32(cck, sent_ack_cnt); | |
777 | PRINT_STATS_LE32(cck, sent_cts_cnt); | |
778 | PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); | |
779 | PRINT_STATS_LE32(cck, dsp_self_kill); | |
780 | PRINT_STATS_LE32(cck, mh_format_err); | |
781 | PRINT_STATS_LE32(cck, re_acq_main_rssi_sum); | |
782 | PRINT_STATS_LE32(cck, reserved); | |
3848ab66 MG |
783 | |
784 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
785 | "Statistics_Rx - GENERAL"); | |
93d17cce JB |
786 | PRINT_STATS_LE32(general, bogus_cts); |
787 | PRINT_STATS_LE32(general, bogus_ack); | |
788 | PRINT_STATS_LE32(general, non_bssid_frames); | |
789 | PRINT_STATS_LE32(general, filtered_frames); | |
790 | PRINT_STATS_LE32(general, non_channel_beacons); | |
791 | PRINT_STATS_LE32(general, channel_beacons); | |
792 | PRINT_STATS_LE32(general, num_missed_bcon); | |
793 | PRINT_STATS_LE32(general, adc_rx_saturation_time); | |
794 | PRINT_STATS_LE32(general, ina_detection_search_time); | |
795 | PRINT_STATS_LE32(general, beacon_silence_rssi_a); | |
796 | PRINT_STATS_LE32(general, beacon_silence_rssi_b); | |
797 | PRINT_STATS_LE32(general, beacon_silence_rssi_c); | |
798 | PRINT_STATS_LE32(general, interference_data_flag); | |
799 | PRINT_STATS_LE32(general, channel_load); | |
800 | PRINT_STATS_LE32(general, dsp_false_alarms); | |
801 | PRINT_STATS_LE32(general, beacon_rssi_a); | |
802 | PRINT_STATS_LE32(general, beacon_rssi_b); | |
803 | PRINT_STATS_LE32(general, beacon_rssi_c); | |
804 | PRINT_STATS_LE32(general, beacon_energy_a); | |
805 | PRINT_STATS_LE32(general, beacon_energy_b); | |
806 | PRINT_STATS_LE32(general, beacon_energy_c); | |
807 | PRINT_STATS_LE32(general, num_bt_kills); | |
808 | PRINT_STATS_LE32(general, mac_id); | |
809 | PRINT_STATS_LE32(general, directed_data_mpdu); | |
3848ab66 MG |
810 | |
811 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
812 | "Statistics_Rx - HT"); | |
93d17cce JB |
813 | PRINT_STATS_LE32(ht, plcp_err); |
814 | PRINT_STATS_LE32(ht, overrun_err); | |
815 | PRINT_STATS_LE32(ht, early_overrun_err); | |
816 | PRINT_STATS_LE32(ht, crc32_good); | |
817 | PRINT_STATS_LE32(ht, crc32_err); | |
818 | PRINT_STATS_LE32(ht, mh_format_err); | |
819 | PRINT_STATS_LE32(ht, agg_crc32_good); | |
820 | PRINT_STATS_LE32(ht, agg_mpdu_cnt); | |
821 | PRINT_STATS_LE32(ht, agg_cnt); | |
822 | PRINT_STATS_LE32(ht, unsupport_mcs); | |
3848ab66 MG |
823 | |
824 | mutex_unlock(&mvm->mutex); | |
825 | ||
826 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
827 | kfree(buf); | |
828 | ||
829 | return ret; | |
830 | } | |
831 | #undef PRINT_STAT_LE32 | |
832 | ||
5fc0f76c ES |
833 | static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, |
834 | char __user *user_buf, size_t count, | |
835 | loff_t *ppos, | |
836 | struct iwl_mvm_frame_stats *stats) | |
837 | { | |
f754b5ca ES |
838 | char *buff, *pos, *endpos; |
839 | int idx, i; | |
5fc0f76c | 840 | int ret; |
f754b5ca | 841 | static const size_t bufsz = 1024; |
5fc0f76c ES |
842 | |
843 | buff = kmalloc(bufsz, GFP_KERNEL); | |
844 | if (!buff) | |
845 | return -ENOMEM; | |
846 | ||
847 | spin_lock_bh(&mvm->drv_stats_lock); | |
f754b5ca ES |
848 | |
849 | pos = buff; | |
850 | endpos = pos + bufsz; | |
851 | ||
852 | pos += scnprintf(pos, endpos - pos, | |
5fc0f76c ES |
853 | "Legacy/HT/VHT\t:\t%d/%d/%d\n", |
854 | stats->legacy_frames, | |
855 | stats->ht_frames, | |
856 | stats->vht_frames); | |
f754b5ca | 857 | pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n", |
5fc0f76c ES |
858 | stats->bw_20_frames, |
859 | stats->bw_40_frames, | |
860 | stats->bw_80_frames); | |
f754b5ca | 861 | pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n", |
5fc0f76c ES |
862 | stats->ngi_frames, |
863 | stats->sgi_frames); | |
f754b5ca | 864 | pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n", |
5fc0f76c ES |
865 | stats->siso_frames, |
866 | stats->mimo2_frames); | |
f754b5ca | 867 | pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n", |
5fc0f76c ES |
868 | stats->fail_frames, |
869 | stats->success_frames); | |
f754b5ca | 870 | pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n", |
5fc0f76c | 871 | stats->agg_frames); |
f754b5ca | 872 | pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n", |
5fc0f76c | 873 | stats->ampdu_count); |
f754b5ca | 874 | pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n", |
5fc0f76c ES |
875 | stats->ampdu_count > 0 ? |
876 | (stats->agg_frames / stats->ampdu_count) : 0); | |
877 | ||
f754b5ca | 878 | pos += scnprintf(pos, endpos - pos, "Last Rates\n"); |
5fc0f76c ES |
879 | |
880 | idx = stats->last_frame_idx - 1; | |
881 | for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) { | |
882 | idx = (idx + 1) % ARRAY_SIZE(stats->last_rates); | |
883 | if (stats->last_rates[idx] == 0) | |
884 | continue; | |
f754b5ca | 885 | pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", |
5fc0f76c | 886 | (int)(ARRAY_SIZE(stats->last_rates) - i)); |
f754b5ca | 887 | pos += rs_pretty_print_rate(pos, stats->last_rates[idx]); |
5fc0f76c ES |
888 | } |
889 | spin_unlock_bh(&mvm->drv_stats_lock); | |
890 | ||
f754b5ca | 891 | ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); |
5fc0f76c ES |
892 | kfree(buff); |
893 | ||
894 | return ret; | |
895 | } | |
896 | ||
897 | static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file, | |
898 | char __user *user_buf, size_t count, | |
899 | loff_t *ppos) | |
900 | { | |
901 | struct iwl_mvm *mvm = file->private_data; | |
902 | ||
903 | return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos, | |
904 | &mvm->drv_rx_stats); | |
905 | } | |
906 | ||
1fa3f57a | 907 | static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, |
490953ac EG |
908 | size_t count, loff_t *ppos) |
909 | { | |
490953ac EG |
910 | int ret; |
911 | ||
490953ac EG |
912 | mutex_lock(&mvm->mutex); |
913 | ||
291aa7c4 EH |
914 | /* allow one more restart that we're provoking here */ |
915 | if (mvm->restart_fw >= 0) | |
916 | mvm->restart_fw++; | |
917 | ||
490953ac | 918 | /* take the return value to make compiler happy - it will fail anyway */ |
a1022927 | 919 | ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL); |
490953ac EG |
920 | |
921 | mutex_unlock(&mvm->mutex); | |
922 | ||
490953ac EG |
923 | return count; |
924 | } | |
925 | ||
1fa3f57a | 926 | static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, |
119663c3 AB |
927 | size_t count, loff_t *ppos) |
928 | { | |
576eeee9 EP |
929 | int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI); |
930 | if (ret) | |
931 | return ret; | |
932 | ||
4c9706dc | 933 | iwl_force_nmi(mvm->trans); |
119663c3 | 934 | |
576eeee9 EP |
935 | iwl_mvm_unref(mvm, IWL_MVM_REF_NMI); |
936 | ||
119663c3 AB |
937 | return count; |
938 | } | |
939 | ||
91b05d10 OG |
940 | static ssize_t |
941 | iwl_dbgfs_scan_ant_rxchain_read(struct file *file, | |
942 | char __user *user_buf, | |
943 | size_t count, loff_t *ppos) | |
944 | { | |
945 | struct iwl_mvm *mvm = file->private_data; | |
946 | int pos = 0; | |
947 | char buf[32]; | |
948 | const size_t bufsz = sizeof(buf); | |
949 | ||
950 | /* print which antennas were set for the scan command by the user */ | |
951 | pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); | |
952 | if (mvm->scan_rx_ant & ANT_A) | |
953 | pos += scnprintf(buf + pos, bufsz - pos, "A"); | |
954 | if (mvm->scan_rx_ant & ANT_B) | |
955 | pos += scnprintf(buf + pos, bufsz - pos, "B"); | |
956 | if (mvm->scan_rx_ant & ANT_C) | |
957 | pos += scnprintf(buf + pos, bufsz - pos, "C"); | |
958 | pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant); | |
959 | ||
960 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
961 | } | |
962 | ||
963 | static ssize_t | |
1fa3f57a | 964 | iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, |
91b05d10 OG |
965 | size_t count, loff_t *ppos) |
966 | { | |
91b05d10 OG |
967 | u8 scan_rx_ant; |
968 | ||
91b05d10 OG |
969 | if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) |
970 | return -EINVAL; | |
971 | if (scan_rx_ant > ANT_ABC) | |
972 | return -EINVAL; | |
a0544272 | 973 | if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) |
91b05d10 OG |
974 | return -EINVAL; |
975 | ||
d2496221 DS |
976 | if (mvm->scan_rx_ant != scan_rx_ant) { |
977 | mvm->scan_rx_ant = scan_rx_ant; | |
859d914c JB |
978 | if (fw_has_capa(&mvm->fw->ucode_capa, |
979 | IWL_UCODE_TLV_CAPA_UMAC_SCAN)) | |
d2496221 DS |
980 | iwl_mvm_config_scan(mvm); |
981 | } | |
91b05d10 OG |
982 | |
983 | return count; | |
984 | } | |
985 | ||
43413a97 SS |
986 | static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm, |
987 | char *buf, size_t count, | |
988 | loff_t *ppos) | |
989 | { | |
990 | struct iwl_rss_config_cmd cmd = { | |
991 | .flags = cpu_to_le32(IWL_RSS_ENABLE), | |
992 | .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP | | |
993 | IWL_RSS_HASH_TYPE_IPV4_PAYLOAD | | |
994 | IWL_RSS_HASH_TYPE_IPV6_TCP | | |
995 | IWL_RSS_HASH_TYPE_IPV6_PAYLOAD, | |
996 | }; | |
997 | int ret, i, num_repeats, nbytes = count / 2; | |
998 | ||
999 | ret = hex2bin(cmd.indirection_table, buf, nbytes); | |
1000 | if (ret) | |
1001 | return ret; | |
1002 | ||
1003 | /* | |
1004 | * The input is the redirection table, partial or full. | |
1005 | * Repeat the pattern if needed. | |
1006 | * For example, input of 01020F will be repeated 42 times, | |
1007 | * indirecting RSS hash results to queues 1, 2, 15 (skipping | |
1008 | * queues 3 - 14). | |
1009 | */ | |
1010 | num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes; | |
1011 | for (i = 1; i < num_repeats; i++) | |
1012 | memcpy(&cmd.indirection_table[i * nbytes], | |
1013 | cmd.indirection_table, nbytes); | |
1014 | /* handle cut in the middle pattern for the last places */ | |
1015 | memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table, | |
1016 | ARRAY_SIZE(cmd.indirection_table) % nbytes); | |
1017 | ||
dd4d3161 | 1018 | memcpy(cmd.secret_key, mvm->secret_key, sizeof(cmd.secret_key)); |
43413a97 SS |
1019 | |
1020 | mutex_lock(&mvm->mutex); | |
1021 | ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd); | |
1022 | mutex_unlock(&mvm->mutex); | |
1023 | ||
1024 | return ret ?: count; | |
1025 | } | |
1026 | ||
8c23f95c EG |
1027 | static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, |
1028 | char __user *user_buf, | |
1029 | size_t count, loff_t *ppos) | |
1030 | { | |
1031 | struct iwl_mvm *mvm = file->private_data; | |
d2709ad7 | 1032 | int conf; |
8c23f95c EG |
1033 | char buf[8]; |
1034 | const size_t bufsz = sizeof(buf); | |
1035 | int pos = 0; | |
1036 | ||
1037 | mutex_lock(&mvm->mutex); | |
1038 | conf = mvm->fw_dbg_conf; | |
1039 | mutex_unlock(&mvm->mutex); | |
1040 | ||
1041 | pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); | |
1042 | ||
1043 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1044 | } | |
1045 | ||
321c2104 GBA |
1046 | /* |
1047 | * Enable / Disable continuous recording. | |
1048 | * Cause the FW to start continuous recording, by sending the relevant hcmd. | |
1049 | * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING. | |
1050 | * Disable: for 0 as input, DISABLE_CONT_RECORDING. | |
1051 | */ | |
1052 | static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm, | |
1053 | char *buf, size_t count, | |
1054 | loff_t *ppos) | |
1055 | { | |
1056 | struct iwl_trans *trans = mvm->trans; | |
1057 | const struct iwl_fw_dbg_dest_tlv *dest = trans->dbg_dest_tlv; | |
1058 | struct iwl_continuous_record_cmd cont_rec = {}; | |
1059 | int ret, rec_mode; | |
1060 | ||
1061 | if (!dest) | |
1062 | return -EOPNOTSUPP; | |
1063 | ||
1064 | if (dest->monitor_mode != SMEM_MODE || | |
1065 | trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) | |
1066 | return -EOPNOTSUPP; | |
1067 | ||
27e070d3 | 1068 | ret = kstrtoint(buf, 0, &rec_mode); |
321c2104 GBA |
1069 | if (ret) |
1070 | return ret; | |
1071 | ||
1072 | cont_rec.record_mode.enable_recording = rec_mode ? | |
1073 | cpu_to_le16(ENABLE_CONT_RECORDING) : | |
1074 | cpu_to_le16(DISABLE_CONT_RECORDING); | |
1075 | ||
1076 | mutex_lock(&mvm->mutex); | |
1077 | ret = iwl_mvm_send_cmd_pdu(mvm, LDBG_CONFIG_CMD, 0, | |
1078 | sizeof(cont_rec), &cont_rec); | |
1079 | mutex_unlock(&mvm->mutex); | |
1080 | ||
1081 | return ret ?: count; | |
1082 | } | |
1083 | ||
8c23f95c EG |
1084 | static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, |
1085 | char *buf, size_t count, | |
1086 | loff_t *ppos) | |
1087 | { | |
8e8114de DC |
1088 | unsigned int conf_id; |
1089 | int ret; | |
8c23f95c | 1090 | |
8e8114de | 1091 | ret = kstrtouint(buf, 0, &conf_id); |
8c23f95c EG |
1092 | if (ret) |
1093 | return ret; | |
1094 | ||
d2709ad7 | 1095 | if (WARN_ON(conf_id >= FW_DBG_CONF_MAX)) |
8c23f95c EG |
1096 | return -EINVAL; |
1097 | ||
1098 | mutex_lock(&mvm->mutex); | |
1099 | ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id); | |
1100 | mutex_unlock(&mvm->mutex); | |
1101 | ||
1102 | return ret ?: count; | |
1103 | } | |
1104 | ||
1105 | static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, | |
1106 | char *buf, size_t count, | |
1107 | loff_t *ppos) | |
1108 | { | |
e93475a0 LK |
1109 | int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); |
1110 | ||
1111 | if (ret) | |
1112 | return ret; | |
1113 | ||
c91b865c GBA |
1114 | iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, buf, |
1115 | (count - 1), NULL); | |
e93475a0 LK |
1116 | |
1117 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); | |
8c23f95c EG |
1118 | |
1119 | return count; | |
1120 | } | |
1121 | ||
9e7dce28 EG |
1122 | static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm, |
1123 | char *buf, size_t count, | |
1124 | loff_t *ppos) | |
1125 | { | |
1126 | unsigned int max_amsdu_len; | |
1127 | int ret; | |
1128 | ||
1129 | ret = kstrtouint(buf, 0, &max_amsdu_len); | |
1130 | ||
1131 | if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454) | |
1132 | return -EINVAL; | |
1133 | mvm->max_amsdu_len = max_amsdu_len; | |
1134 | ||
1135 | return count; | |
1136 | } | |
1137 | ||
de06a59e EP |
1138 | #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) |
1139 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING | |
1140 | static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, | |
1141 | char __user *user_buf, | |
1142 | size_t count, loff_t *ppos) | |
1143 | { | |
1144 | struct iwl_mvm *mvm = file->private_data; | |
1145 | struct iwl_bcast_filter_cmd cmd; | |
1146 | const struct iwl_fw_bcast_filter *filter; | |
1147 | char *buf; | |
1148 | int bufsz = 1024; | |
1149 | int i, j, pos = 0; | |
1150 | ssize_t ret; | |
1151 | ||
1152 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1153 | if (!buf) | |
1154 | return -ENOMEM; | |
1155 | ||
1156 | mutex_lock(&mvm->mutex); | |
1157 | if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { | |
1158 | ADD_TEXT("None\n"); | |
1159 | mutex_unlock(&mvm->mutex); | |
1160 | goto out; | |
1161 | } | |
1162 | mutex_unlock(&mvm->mutex); | |
1163 | ||
1164 | for (i = 0; cmd.filters[i].attrs[0].mask; i++) { | |
1165 | filter = &cmd.filters[i]; | |
1166 | ||
1167 | ADD_TEXT("Filter [%d]:\n", i); | |
1168 | ADD_TEXT("\tDiscard=%d\n", filter->discard); | |
1169 | ADD_TEXT("\tFrame Type: %s\n", | |
1170 | filter->frame_type ? "IPv4" : "Generic"); | |
1171 | ||
1172 | for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) { | |
1173 | const struct iwl_fw_bcast_filter_attr *attr; | |
1174 | ||
1175 | attr = &filter->attrs[j]; | |
1176 | if (!attr->mask) | |
1177 | break; | |
1178 | ||
1179 | ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n", | |
1180 | j, attr->offset, | |
1181 | attr->offset_type ? "IP End" : | |
1182 | "Payload Start", | |
1183 | be32_to_cpu(attr->mask), | |
1184 | be32_to_cpu(attr->val), | |
1185 | le16_to_cpu(attr->reserved1)); | |
1186 | } | |
1187 | } | |
1188 | out: | |
1189 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1190 | kfree(buf); | |
1191 | return ret; | |
1192 | } | |
1193 | ||
1194 | static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf, | |
1195 | size_t count, loff_t *ppos) | |
1196 | { | |
1197 | int pos, next_pos; | |
1198 | struct iwl_fw_bcast_filter filter = {}; | |
1199 | struct iwl_bcast_filter_cmd cmd; | |
1200 | u32 filter_id, attr_id, mask, value; | |
1201 | int err = 0; | |
1202 | ||
1203 | if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard, | |
1204 | &filter.frame_type, &pos) != 3) | |
1205 | return -EINVAL; | |
1206 | ||
1207 | if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) || | |
1208 | filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4) | |
1209 | return -EINVAL; | |
1210 | ||
1211 | for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs); | |
1212 | attr_id++) { | |
1213 | struct iwl_fw_bcast_filter_attr *attr = | |
1214 | &filter.attrs[attr_id]; | |
1215 | ||
1216 | if (pos >= count) | |
1217 | break; | |
1218 | ||
1219 | if (sscanf(&buf[pos], "%hhi %hhi %i %i %n", | |
1220 | &attr->offset, &attr->offset_type, | |
1221 | &mask, &value, &next_pos) != 4) | |
1222 | return -EINVAL; | |
1223 | ||
1224 | attr->mask = cpu_to_be32(mask); | |
1225 | attr->val = cpu_to_be32(value); | |
1226 | if (mask) | |
1227 | filter.num_attrs++; | |
1228 | ||
1229 | pos += next_pos; | |
1230 | } | |
1231 | ||
1232 | mutex_lock(&mvm->mutex); | |
1233 | memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id], | |
1234 | &filter, sizeof(filter)); | |
1235 | ||
1236 | /* send updated bcast filtering configuration */ | |
1237 | if (mvm->dbgfs_bcast_filtering.override && | |
1238 | iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) | |
a1022927 | 1239 | err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
de06a59e EP |
1240 | sizeof(cmd), &cmd); |
1241 | mutex_unlock(&mvm->mutex); | |
1242 | ||
1243 | return err ?: count; | |
1244 | } | |
1245 | ||
1246 | static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file, | |
1247 | char __user *user_buf, | |
1248 | size_t count, loff_t *ppos) | |
1249 | { | |
1250 | struct iwl_mvm *mvm = file->private_data; | |
1251 | struct iwl_bcast_filter_cmd cmd; | |
1252 | char *buf; | |
1253 | int bufsz = 1024; | |
1254 | int i, pos = 0; | |
1255 | ssize_t ret; | |
1256 | ||
1257 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1258 | if (!buf) | |
1259 | return -ENOMEM; | |
1260 | ||
1261 | mutex_lock(&mvm->mutex); | |
1262 | if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { | |
1263 | ADD_TEXT("None\n"); | |
1264 | mutex_unlock(&mvm->mutex); | |
1265 | goto out; | |
1266 | } | |
1267 | mutex_unlock(&mvm->mutex); | |
1268 | ||
1269 | for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) { | |
1270 | const struct iwl_fw_bcast_mac *mac = &cmd.macs[i]; | |
1271 | ||
1272 | ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n", | |
1273 | i, mac->default_discard, mac->attached_filters); | |
1274 | } | |
1275 | out: | |
1276 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1277 | kfree(buf); | |
1278 | return ret; | |
1279 | } | |
1280 | ||
1281 | static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm, | |
1282 | char *buf, size_t count, | |
1283 | loff_t *ppos) | |
1284 | { | |
1285 | struct iwl_bcast_filter_cmd cmd; | |
1286 | struct iwl_fw_bcast_mac mac = {}; | |
1287 | u32 mac_id, attached_filters; | |
1288 | int err = 0; | |
1289 | ||
1290 | if (!mvm->bcast_filters) | |
1291 | return -ENOENT; | |
1292 | ||
1293 | if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard, | |
1294 | &attached_filters) != 3) | |
1295 | return -EINVAL; | |
1296 | ||
1297 | if (mac_id >= ARRAY_SIZE(cmd.macs) || | |
1298 | mac.default_discard > 1 || | |
1299 | attached_filters >= BIT(ARRAY_SIZE(cmd.filters))) | |
1300 | return -EINVAL; | |
1301 | ||
1302 | mac.attached_filters = cpu_to_le16(attached_filters); | |
1303 | ||
1304 | mutex_lock(&mvm->mutex); | |
1305 | memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id], | |
1306 | &mac, sizeof(mac)); | |
1307 | ||
1308 | /* send updated bcast filtering configuration */ | |
1309 | if (mvm->dbgfs_bcast_filtering.override && | |
1310 | iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) | |
a1022927 | 1311 | err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
de06a59e EP |
1312 | sizeof(cmd), &cmd); |
1313 | mutex_unlock(&mvm->mutex); | |
1314 | ||
1315 | return err ?: count; | |
1316 | } | |
1317 | #endif | |
1318 | ||
afc66bb7 | 1319 | #ifdef CONFIG_PM_SLEEP |
1fa3f57a | 1320 | static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf, |
afc66bb7 JB |
1321 | size_t count, loff_t *ppos) |
1322 | { | |
afc66bb7 JB |
1323 | int store; |
1324 | ||
afc66bb7 JB |
1325 | if (sscanf(buf, "%d", &store) != 1) |
1326 | return -EINVAL; | |
1327 | ||
1328 | mvm->store_d3_resume_sram = store; | |
1329 | ||
1330 | return count; | |
1331 | } | |
1332 | ||
1333 | static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, | |
1334 | size_t count, loff_t *ppos) | |
1335 | { | |
1336 | struct iwl_mvm *mvm = file->private_data; | |
1337 | const struct fw_img *img; | |
1338 | int ofs, len, pos = 0; | |
1339 | size_t bufsz, ret; | |
1340 | char *buf; | |
1341 | u8 *ptr = mvm->d3_resume_sram; | |
1342 | ||
1343 | img = &mvm->fw->img[IWL_UCODE_WOWLAN]; | |
1344 | len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
1345 | ||
1346 | bufsz = len * 4 + 256; | |
1347 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1348 | if (!buf) | |
1349 | return -ENOMEM; | |
1350 | ||
1351 | pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n", | |
1352 | mvm->store_d3_resume_sram ? "en" : "dis"); | |
1353 | ||
1354 | if (ptr) { | |
1355 | for (ofs = 0; ofs < len; ofs += 16) { | |
1356 | pos += scnprintf(buf + pos, bufsz - pos, | |
3cd6e2f7 | 1357 | "0x%.4x %16ph\n", ofs, ptr + ofs); |
afc66bb7 JB |
1358 | } |
1359 | } else { | |
1360 | pos += scnprintf(buf + pos, bufsz - pos, | |
1361 | "(no data captured)\n"); | |
1362 | } | |
1363 | ||
1364 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1365 | ||
1366 | kfree(buf); | |
1367 | ||
1368 | return ret; | |
1369 | } | |
1370 | #endif | |
1371 | ||
576eeee9 EP |
1372 | #define PRINT_MVM_REF(ref) do { \ |
1373 | if (mvm->refs[ref]) \ | |
1374 | pos += scnprintf(buf + pos, bufsz - pos, \ | |
1375 | "\t(0x%lx): %d %s\n", \ | |
1376 | BIT(ref), mvm->refs[ref], #ref); \ | |
70d6babb EP |
1377 | } while (0) |
1378 | ||
1379 | static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file, | |
1380 | char __user *user_buf, | |
1381 | size_t count, loff_t *ppos) | |
1382 | { | |
1383 | struct iwl_mvm *mvm = file->private_data; | |
576eeee9 | 1384 | int i, pos = 0; |
70d6babb EP |
1385 | char buf[256]; |
1386 | const size_t bufsz = sizeof(buf); | |
576eeee9 EP |
1387 | u32 refs = 0; |
1388 | ||
1389 | for (i = 0; i < IWL_MVM_REF_COUNT; i++) | |
1390 | if (mvm->refs[i]) | |
1391 | refs |= BIT(i); | |
70d6babb | 1392 | |
576eeee9 EP |
1393 | pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n", |
1394 | refs); | |
70d6babb EP |
1395 | |
1396 | PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN); | |
1397 | PRINT_MVM_REF(IWL_MVM_REF_SCAN); | |
1398 | PRINT_MVM_REF(IWL_MVM_REF_ROC); | |
c779273b | 1399 | PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX); |
70d6babb EP |
1400 | PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT); |
1401 | PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS); | |
0eb83653 | 1402 | PRINT_MVM_REF(IWL_MVM_REF_USER); |
34e611ea JB |
1403 | PRINT_MVM_REF(IWL_MVM_REF_TX); |
1404 | PRINT_MVM_REF(IWL_MVM_REF_TX_AGG); | |
1405 | PRINT_MVM_REF(IWL_MVM_REF_ADD_IF); | |
1406 | PRINT_MVM_REF(IWL_MVM_REF_START_AP); | |
1407 | PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED); | |
1408 | PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX); | |
1409 | PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS); | |
1410 | PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL); | |
1411 | PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ); | |
1412 | PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE); | |
1413 | PRINT_MVM_REF(IWL_MVM_REF_NMI); | |
1414 | PRINT_MVM_REF(IWL_MVM_REF_TM_CMD); | |
d15a747f | 1415 | PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK); |
160acc0e | 1416 | PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA); |
fb2380a2 | 1417 | PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT); |
08f0d23d | 1418 | PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE); |
70d6babb EP |
1419 | |
1420 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1421 | } | |
1422 | ||
0eb83653 EP |
1423 | static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, |
1424 | size_t count, loff_t *ppos) | |
1425 | { | |
1426 | unsigned long value; | |
1427 | int ret; | |
1428 | bool taken; | |
1429 | ||
1430 | ret = kstrtoul(buf, 10, &value); | |
1431 | if (ret < 0) | |
1432 | return ret; | |
1433 | ||
1434 | mutex_lock(&mvm->mutex); | |
1435 | ||
576eeee9 | 1436 | taken = mvm->refs[IWL_MVM_REF_USER]; |
0eb83653 EP |
1437 | if (value == 1 && !taken) |
1438 | iwl_mvm_ref(mvm, IWL_MVM_REF_USER); | |
1439 | else if (value == 0 && taken) | |
1440 | iwl_mvm_unref(mvm, IWL_MVM_REF_USER); | |
1441 | else | |
1442 | ret = -EINVAL; | |
1443 | ||
1444 | mutex_unlock(&mvm->mutex); | |
1445 | ||
1446 | if (ret < 0) | |
1447 | return ret; | |
1448 | return count; | |
1449 | } | |
1450 | ||
1fa3f57a JB |
1451 | #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ |
1452 | _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) | |
1453 | #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ | |
1454 | _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) | |
de06a59e EP |
1455 | #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ |
1456 | if (!debugfs_create_file(alias, mode, parent, mvm, \ | |
8ca151b5 JB |
1457 | &iwl_dbgfs_##name##_ops)) \ |
1458 | goto err; \ | |
1459 | } while (0) | |
de06a59e EP |
1460 | #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ |
1461 | MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) | |
8ca151b5 | 1462 | |
f3c221f6 EP |
1463 | static ssize_t |
1464 | iwl_dbgfs_prph_reg_read(struct file *file, | |
1465 | char __user *user_buf, | |
1466 | size_t count, loff_t *ppos) | |
1467 | { | |
1468 | struct iwl_mvm *mvm = file->private_data; | |
1469 | int pos = 0; | |
1470 | char buf[32]; | |
1471 | const size_t bufsz = sizeof(buf); | |
576eeee9 | 1472 | int ret; |
f3c221f6 EP |
1473 | |
1474 | if (!mvm->dbgfs_prph_reg_addr) | |
1475 | return -EINVAL; | |
1476 | ||
576eeee9 EP |
1477 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ); |
1478 | if (ret) | |
1479 | return ret; | |
1480 | ||
f3c221f6 EP |
1481 | pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", |
1482 | mvm->dbgfs_prph_reg_addr, | |
1483 | iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); | |
1484 | ||
576eeee9 EP |
1485 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ); |
1486 | ||
f3c221f6 EP |
1487 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
1488 | } | |
1489 | ||
1490 | static ssize_t | |
1491 | iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, | |
1492 | size_t count, loff_t *ppos) | |
1493 | { | |
1494 | u8 args; | |
1495 | u32 value; | |
576eeee9 | 1496 | int ret; |
f3c221f6 EP |
1497 | |
1498 | args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); | |
1499 | /* if we only want to set the reg address - nothing more to do */ | |
1500 | if (args == 1) | |
1501 | goto out; | |
1502 | ||
1503 | /* otherwise, make sure we have both address and value */ | |
1504 | if (args != 2) | |
1505 | return -EINVAL; | |
1506 | ||
576eeee9 EP |
1507 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); |
1508 | if (ret) | |
1509 | return ret; | |
1510 | ||
f3c221f6 | 1511 | iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); |
576eeee9 EP |
1512 | |
1513 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); | |
f3c221f6 EP |
1514 | out: |
1515 | return count; | |
1516 | } | |
1517 | ||
e5046019 EG |
1518 | static ssize_t |
1519 | iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, | |
1520 | size_t count, loff_t *ppos) | |
1521 | { | |
1522 | int ret; | |
1523 | ||
1524 | mutex_lock(&mvm->mutex); | |
1525 | ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); | |
1526 | mutex_unlock(&mvm->mutex); | |
1527 | ||
1528 | return ret ?: count; | |
1529 | } | |
1530 | ||
f3c221f6 EP |
1531 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); |
1532 | ||
8ca151b5 | 1533 | /* Device wide debugfs entries */ |
00f481bd CRI |
1534 | MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget); |
1535 | MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8); | |
1fa3f57a JB |
1536 | MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); |
1537 | MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); | |
e5046019 | 1538 | MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); |
1fa3f57a | 1539 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); |
7280d1f0 | 1540 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); |
c549e390 | 1541 | MVM_DEBUGFS_READ_FILE_OPS(nic_temp); |
8ca151b5 | 1542 | MVM_DEBUGFS_READ_FILE_OPS(stations); |
10942342 | 1543 | MVM_DEBUGFS_READ_FILE_OPS(bt_notif); |
2de13cae | 1544 | MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); |
1fa3f57a | 1545 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); |
3848ab66 | 1546 | MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); |
5fc0f76c | 1547 | MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); |
1fa3f57a JB |
1548 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); |
1549 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); | |
cdb00563 | 1550 | MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); |
a39979a8 | 1551 | MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); |
1fa3f57a | 1552 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); |
0eb83653 | 1553 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); |
8c23f95c | 1554 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); |
c91b865c | 1555 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); |
321c2104 | 1556 | MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8); |
9e7dce28 | 1557 | MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8); |
dd4d3161 SS |
1558 | MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, |
1559 | (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); | |
91b05d10 | 1560 | |
de06a59e EP |
1561 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
1562 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256); | |
1563 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256); | |
1564 | #endif | |
1565 | ||
afc66bb7 | 1566 | #ifdef CONFIG_PM_SLEEP |
1fa3f57a | 1567 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8); |
afc66bb7 | 1568 | #endif |
8ca151b5 JB |
1569 | |
1570 | int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) | |
1571 | { | |
de06a59e | 1572 | struct dentry *bcast_dir __maybe_unused; |
8ca151b5 JB |
1573 | char buf[100]; |
1574 | ||
d07913aa JB |
1575 | spin_lock_init(&mvm->drv_stats_lock); |
1576 | ||
8ca151b5 JB |
1577 | mvm->debugfs_dir = dbgfs_dir; |
1578 | ||
1579 | MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR); | |
1580 | MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR); | |
1581 | MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR); | |
7280d1f0 MG |
1582 | MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, |
1583 | S_IWUSR | S_IRUSR); | |
c549e390 | 1584 | MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR); |
00f481bd CRI |
1585 | MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, S_IRUSR); |
1586 | MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, S_IWUSR); | |
8ca151b5 | 1587 | MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR); |
10942342 | 1588 | MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR); |
2de13cae | 1589 | MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR); |
639eabad EG |
1590 | MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, |
1591 | S_IRUSR | S_IWUSR); | |
3848ab66 | 1592 | MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR); |
5fc0f76c | 1593 | MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR); |
490953ac | 1594 | MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR); |
119663c3 | 1595 | MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR); |
cdb00563 | 1596 | MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR); |
a39979a8 | 1597 | MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR); |
91b05d10 OG |
1598 | MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, |
1599 | S_IWUSR | S_IRUSR); | |
f3c221f6 | 1600 | MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR); |
0eb83653 | 1601 | MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR); |
8c23f95c EG |
1602 | MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR); |
1603 | MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR); | |
9e7dce28 | 1604 | MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, S_IWUSR); |
e5046019 | 1605 | MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR); |
321c2104 | 1606 | MVM_DEBUGFS_ADD_FILE(cont_recording, mvm->debugfs_dir, S_IWUSR); |
43413a97 | 1607 | MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, S_IWUSR); |
cb2513bb LC |
1608 | if (!debugfs_create_bool("enable_scan_iteration_notif", |
1609 | S_IRUSR | S_IWUSR, | |
1610 | mvm->debugfs_dir, | |
1611 | &mvm->scan_iter_notif_enabled)) | |
1612 | goto err; | |
c89e333d AO |
1613 | if (!debugfs_create_bool("drop_bcn_ap_mode", S_IRUSR | S_IWUSR, |
1614 | mvm->debugfs_dir, &mvm->drop_bcn_ap_mode)) | |
1615 | goto err; | |
de06a59e EP |
1616 | |
1617 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING | |
1618 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { | |
1619 | bcast_dir = debugfs_create_dir("bcast_filtering", | |
1620 | mvm->debugfs_dir); | |
1621 | if (!bcast_dir) | |
1622 | goto err; | |
1623 | ||
1624 | if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR, | |
1625 | bcast_dir, | |
1626 | &mvm->dbgfs_bcast_filtering.override)) | |
1627 | goto err; | |
1628 | ||
1629 | MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters, | |
1630 | bcast_dir, S_IWUSR | S_IRUSR); | |
1631 | MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs, | |
1632 | bcast_dir, S_IWUSR | S_IRUSR); | |
1633 | } | |
1634 | #endif | |
1635 | ||
afc66bb7 JB |
1636 | #ifdef CONFIG_PM_SLEEP |
1637 | MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR); | |
debff618 | 1638 | MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR); |
b0114714 JB |
1639 | if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR, |
1640 | mvm->debugfs_dir, &mvm->d3_wake_sysassert)) | |
1641 | goto err; | |
484b3d13 LC |
1642 | if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR, |
1643 | mvm->debugfs_dir, &mvm->last_netdetect_scans)) | |
1644 | goto err; | |
afc66bb7 | 1645 | #endif |
8ca151b5 | 1646 | |
bdd54839 LC |
1647 | if (!debugfs_create_u8("ps_disabled", S_IRUSR, |
1648 | mvm->debugfs_dir, &mvm->ps_disabled)) | |
1649 | goto err; | |
086f7368 EG |
1650 | if (!debugfs_create_blob("nvm_hw", S_IRUSR, |
1651 | mvm->debugfs_dir, &mvm->nvm_hw_blob)) | |
1652 | goto err; | |
1653 | if (!debugfs_create_blob("nvm_sw", S_IRUSR, | |
1654 | mvm->debugfs_dir, &mvm->nvm_sw_blob)) | |
1655 | goto err; | |
1656 | if (!debugfs_create_blob("nvm_calib", S_IRUSR, | |
1657 | mvm->debugfs_dir, &mvm->nvm_calib_blob)) | |
1658 | goto err; | |
1659 | if (!debugfs_create_blob("nvm_prod", S_IRUSR, | |
1660 | mvm->debugfs_dir, &mvm->nvm_prod_blob)) | |
1661 | goto err; | |
91fac940 MH |
1662 | if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR, |
1663 | mvm->debugfs_dir, &mvm->nvm_phy_sku_blob)) | |
1664 | goto err; | |
086f7368 | 1665 | |
8ca151b5 JB |
1666 | /* |
1667 | * Create a symlink with mac80211. It will be removed when mac80211 | |
1668 | * exists (before the opmode exists which removes the target.) | |
1669 | */ | |
1670 | snprintf(buf, 100, "../../%s/%s", | |
1671 | dbgfs_dir->d_parent->d_parent->d_name.name, | |
1672 | dbgfs_dir->d_parent->d_name.name); | |
1673 | if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf)) | |
1674 | goto err; | |
1675 | ||
1676 | return 0; | |
1677 | err: | |
1678 | IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); | |
1679 | return -ENOMEM; | |
1680 | } |