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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> |
854d773e | 68 | #include <linux/netdevice.h> |
192c80a2 | 69 | |
8ca151b5 | 70 | #include "mvm.h" |
2f89a5d7 | 71 | #include "fw-dbg.h" |
8ca151b5 JB |
72 | #include "sta.h" |
73 | #include "iwl-io.h" | |
820a1a50 | 74 | #include "debugfs.h" |
4d075007 | 75 | #include "iwl-fw-error-dump.h" |
8ca151b5 | 76 | |
00f481bd CRI |
77 | static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file, |
78 | char __user *user_buf, | |
79 | size_t count, loff_t *ppos) | |
80 | { | |
81 | struct iwl_mvm *mvm = file->private_data; | |
82 | char buf[16]; | |
83 | int pos, budget; | |
84 | ||
85 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
86 | return -EIO; | |
87 | ||
88 | mutex_lock(&mvm->mutex); | |
89 | budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0); | |
90 | mutex_unlock(&mvm->mutex); | |
91 | ||
92 | if (budget < 0) | |
93 | return budget; | |
94 | ||
95 | pos = scnprintf(buf, sizeof(buf), "%d\n", budget); | |
96 | ||
97 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
98 | } | |
99 | ||
100 | static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf, | |
101 | size_t count, loff_t *ppos) | |
102 | { | |
103 | int ret; | |
104 | ||
105 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
106 | return -EIO; | |
107 | ||
108 | mutex_lock(&mvm->mutex); | |
109 | ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0); | |
110 | mutex_unlock(&mvm->mutex); | |
111 | ||
112 | return ret ?: count; | |
113 | } | |
114 | ||
1fa3f57a | 115 | static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, |
8ca151b5 JB |
116 | size_t count, loff_t *ppos) |
117 | { | |
8a0bd168 | 118 | int ret; |
8ca151b5 JB |
119 | u32 scd_q_msk; |
120 | ||
121 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
122 | return -EIO; | |
123 | ||
8ca151b5 JB |
124 | if (sscanf(buf, "%x", &scd_q_msk) != 1) |
125 | return -EINVAL; | |
126 | ||
127 | IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk); | |
128 | ||
129 | mutex_lock(&mvm->mutex); | |
5888a40c | 130 | ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count; |
8ca151b5 JB |
131 | mutex_unlock(&mvm->mutex); |
132 | ||
133 | return ret; | |
134 | } | |
135 | ||
1fa3f57a | 136 | static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf, |
8ca151b5 JB |
137 | size_t count, loff_t *ppos) |
138 | { | |
f327b04c | 139 | struct iwl_mvm_sta *mvmsta; |
8a0bd168 | 140 | int sta_id, drain, ret; |
8ca151b5 JB |
141 | |
142 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
143 | return -EIO; | |
144 | ||
8ca151b5 JB |
145 | if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) |
146 | return -EINVAL; | |
60765a47 JB |
147 | if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT) |
148 | return -EINVAL; | |
149 | if (drain < 0 || drain > 1) | |
150 | return -EINVAL; | |
8ca151b5 JB |
151 | |
152 | mutex_lock(&mvm->mutex); | |
153 | ||
f327b04c EG |
154 | mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); |
155 | ||
156 | if (!mvmsta) | |
8ca151b5 JB |
157 | ret = -ENOENT; |
158 | else | |
f327b04c | 159 | ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count; |
8ca151b5 JB |
160 | |
161 | mutex_unlock(&mvm->mutex); | |
162 | ||
163 | return ret; | |
164 | } | |
165 | ||
166 | static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, | |
167 | size_t count, loff_t *ppos) | |
168 | { | |
169 | struct iwl_mvm *mvm = file->private_data; | |
170 | const struct fw_img *img; | |
d510342f EG |
171 | unsigned int ofs, len; |
172 | size_t ret; | |
8ca151b5 JB |
173 | u8 *ptr; |
174 | ||
60191d99 JB |
175 | if (!mvm->ucode_loaded) |
176 | return -EINVAL; | |
177 | ||
8ca151b5 | 178 | /* default is to dump the entire data segment */ |
d510342f EG |
179 | img = &mvm->fw->img[mvm->cur_ucode]; |
180 | ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; | |
181 | len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
182 | ||
01e0efe3 | 183 | if (mvm->dbgfs_sram_len) { |
60191d99 JB |
184 | ofs = mvm->dbgfs_sram_offset; |
185 | len = mvm->dbgfs_sram_len; | |
8ca151b5 | 186 | } |
8ca151b5 | 187 | |
8ca151b5 | 188 | ptr = kzalloc(len, GFP_KERNEL); |
d510342f | 189 | if (!ptr) |
8ca151b5 | 190 | return -ENOMEM; |
8ca151b5 | 191 | |
60191d99 | 192 | iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); |
8ca151b5 | 193 | |
d510342f | 194 | ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len); |
8ca151b5 | 195 | |
8ca151b5 JB |
196 | kfree(ptr); |
197 | ||
198 | return ret; | |
199 | } | |
200 | ||
1fa3f57a JB |
201 | static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf, |
202 | size_t count, loff_t *ppos) | |
8ca151b5 | 203 | { |
d510342f | 204 | const struct fw_img *img; |
8ca151b5 | 205 | u32 offset, len; |
d510342f EG |
206 | u32 img_offset, img_len; |
207 | ||
208 | if (!mvm->ucode_loaded) | |
209 | return -EINVAL; | |
210 | ||
211 | img = &mvm->fw->img[mvm->cur_ucode]; | |
212 | img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset; | |
213 | img_len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
8ca151b5 | 214 | |
8ca151b5 JB |
215 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { |
216 | if ((offset & 0x3) || (len & 0x3)) | |
217 | return -EINVAL; | |
d510342f EG |
218 | |
219 | if (offset + len > img_offset + img_len) | |
220 | return -EINVAL; | |
221 | ||
8ca151b5 JB |
222 | mvm->dbgfs_sram_offset = offset; |
223 | mvm->dbgfs_sram_len = len; | |
224 | } else { | |
225 | mvm->dbgfs_sram_offset = 0; | |
226 | mvm->dbgfs_sram_len = 0; | |
227 | } | |
228 | ||
229 | return count; | |
230 | } | |
231 | ||
7280d1f0 MG |
232 | static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file, |
233 | char __user *user_buf, | |
234 | size_t count, loff_t *ppos) | |
235 | { | |
236 | struct iwl_mvm *mvm = file->private_data; | |
237 | char buf[16]; | |
238 | int pos; | |
239 | ||
240 | if (!mvm->temperature_test) | |
241 | pos = scnprintf(buf , sizeof(buf), "disabled\n"); | |
242 | else | |
243 | pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature); | |
244 | ||
245 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
246 | } | |
247 | ||
248 | /* | |
249 | * Set NIC Temperature | |
250 | * Cause the driver to ignore the actual NIC temperature reported by the FW | |
251 | * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN - | |
252 | * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX | |
253 | * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE | |
254 | */ | |
255 | static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm, | |
256 | char *buf, size_t count, | |
257 | loff_t *ppos) | |
258 | { | |
259 | int temperature; | |
260 | ||
a26d4e7b LC |
261 | if (!mvm->ucode_loaded && !mvm->temperature_test) |
262 | return -EIO; | |
263 | ||
7280d1f0 MG |
264 | if (kstrtoint(buf, 10, &temperature)) |
265 | return -EINVAL; | |
266 | /* not a legal temperature */ | |
267 | if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX && | |
268 | temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) || | |
269 | temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN) | |
270 | return -EINVAL; | |
271 | ||
272 | mutex_lock(&mvm->mutex); | |
273 | if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) { | |
b689fa79 LC |
274 | if (!mvm->temperature_test) |
275 | goto out; | |
276 | ||
7280d1f0 | 277 | mvm->temperature_test = false; |
b689fa79 LC |
278 | /* Since we can't read the temp while awake, just set |
279 | * it to zero until we get the next RX stats from the | |
280 | * firmware. | |
281 | */ | |
282 | mvm->temperature = 0; | |
7280d1f0 MG |
283 | } else { |
284 | mvm->temperature_test = true; | |
285 | mvm->temperature = temperature; | |
286 | } | |
287 | IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n", | |
288 | mvm->temperature_test ? "En" : "Dis" , | |
289 | mvm->temperature); | |
290 | /* handle the temperature change */ | |
291 | iwl_mvm_tt_handler(mvm); | |
b689fa79 LC |
292 | |
293 | out: | |
7280d1f0 MG |
294 | mutex_unlock(&mvm->mutex); |
295 | ||
296 | return count; | |
297 | } | |
298 | ||
c549e390 LC |
299 | static ssize_t iwl_dbgfs_nic_temp_read(struct file *file, |
300 | char __user *user_buf, | |
301 | size_t count, loff_t *ppos) | |
302 | { | |
303 | struct iwl_mvm *mvm = file->private_data; | |
304 | char buf[16]; | |
7869318e CRI |
305 | int pos, ret; |
306 | s32 temp; | |
c549e390 LC |
307 | |
308 | if (!mvm->ucode_loaded) | |
309 | return -EIO; | |
310 | ||
311 | mutex_lock(&mvm->mutex); | |
7869318e | 312 | ret = iwl_mvm_get_temp(mvm, &temp); |
c549e390 LC |
313 | mutex_unlock(&mvm->mutex); |
314 | ||
7869318e CRI |
315 | if (ret) |
316 | return -EIO; | |
c549e390 LC |
317 | |
318 | pos = scnprintf(buf , sizeof(buf), "%d\n", temp); | |
319 | ||
320 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
321 | } | |
322 | ||
8ca151b5 JB |
323 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, |
324 | size_t count, loff_t *ppos) | |
325 | { | |
326 | struct iwl_mvm *mvm = file->private_data; | |
327 | struct ieee80211_sta *sta; | |
328 | char buf[400]; | |
329 | int i, pos = 0, bufsz = sizeof(buf); | |
330 | ||
331 | mutex_lock(&mvm->mutex); | |
332 | ||
333 | for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { | |
334 | pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); | |
335 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], | |
336 | lockdep_is_held(&mvm->mutex)); | |
337 | if (!sta) | |
338 | pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); | |
339 | else if (IS_ERR(sta)) | |
340 | pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", | |
341 | PTR_ERR(sta)); | |
342 | else | |
343 | pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", | |
344 | sta->addr); | |
345 | } | |
346 | ||
347 | mutex_unlock(&mvm->mutex); | |
348 | ||
349 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
350 | } | |
351 | ||
64b928c4 AB |
352 | static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file, |
353 | char __user *user_buf, | |
8ca151b5 JB |
354 | size_t count, loff_t *ppos) |
355 | { | |
356 | struct iwl_mvm *mvm = file->private_data; | |
64b928c4 AB |
357 | char buf[64]; |
358 | int bufsz = sizeof(buf); | |
359 | int pos = 0; | |
8ca151b5 | 360 | |
64b928c4 AB |
361 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n", |
362 | mvm->disable_power_off); | |
363 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", | |
364 | mvm->disable_power_off_d3); | |
8ca151b5 | 365 | |
64b928c4 | 366 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
8ca151b5 JB |
367 | } |
368 | ||
1fa3f57a | 369 | static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, |
64b928c4 | 370 | size_t count, loff_t *ppos) |
8ca151b5 | 371 | { |
1fa3f57a | 372 | int ret, val; |
64b928c4 AB |
373 | |
374 | if (!mvm->ucode_loaded) | |
375 | return -EIO; | |
8ca151b5 | 376 | |
64b928c4 AB |
377 | if (!strncmp("disable_power_off_d0=", buf, 21)) { |
378 | if (sscanf(buf + 21, "%d", &val) != 1) | |
379 | return -EINVAL; | |
380 | mvm->disable_power_off = val; | |
381 | } else if (!strncmp("disable_power_off_d3=", buf, 21)) { | |
382 | if (sscanf(buf + 21, "%d", &val) != 1) | |
383 | return -EINVAL; | |
384 | mvm->disable_power_off_d3 = val; | |
385 | } else { | |
8ca151b5 | 386 | return -EINVAL; |
64b928c4 | 387 | } |
8ca151b5 | 388 | |
64b928c4 | 389 | mutex_lock(&mvm->mutex); |
c1cb92fc | 390 | ret = iwl_mvm_power_update_device(mvm); |
64b928c4 | 391 | mutex_unlock(&mvm->mutex); |
8ca151b5 | 392 | |
64b928c4 | 393 | return ret ?: count; |
8ca151b5 JB |
394 | } |
395 | ||
10942342 EG |
396 | #define BT_MBOX_MSG(_notif, _num, _field) \ |
397 | ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\ | |
398 | >> BT_MBOX##_num##_##_field##_POS) | |
399 | ||
400 | ||
401 | #define BT_MBOX_PRINT(_num, _field, _end) \ | |
402 | pos += scnprintf(buf + pos, bufsz - pos, \ | |
403 | "\t%s: %d%s", \ | |
404 | #_field, \ | |
405 | BT_MBOX_MSG(notif, _num, _field), \ | |
406 | true ? "\n" : ", "); | |
407 | ||
160be571 EG |
408 | static |
409 | int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, | |
410 | int pos, int bufsz) | |
10942342 | 411 | { |
160be571 | 412 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); |
10942342 | 413 | |
160be571 EG |
414 | BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); |
415 | BT_MBOX_PRINT(0, LE_PROF1, false); | |
416 | BT_MBOX_PRINT(0, LE_PROF2, false); | |
417 | BT_MBOX_PRINT(0, LE_PROF_OTHER, false); | |
418 | BT_MBOX_PRINT(0, CHL_SEQ_N, false); | |
419 | BT_MBOX_PRINT(0, INBAND_S, false); | |
420 | BT_MBOX_PRINT(0, LE_MIN_RSSI, false); | |
421 | BT_MBOX_PRINT(0, LE_SCAN, false); | |
422 | BT_MBOX_PRINT(0, LE_ADV, false); | |
423 | BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); | |
424 | BT_MBOX_PRINT(0, OPEN_CON_1, true); | |
10942342 | 425 | |
160be571 EG |
426 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); |
427 | ||
428 | BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); | |
429 | BT_MBOX_PRINT(1, IP_SR, false); | |
430 | BT_MBOX_PRINT(1, LE_MSTR, false); | |
431 | BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); | |
432 | BT_MBOX_PRINT(1, MSG_TYPE, false); | |
433 | BT_MBOX_PRINT(1, SSN, true); | |
434 | ||
435 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); | |
436 | ||
437 | BT_MBOX_PRINT(2, SNIFF_ACT, false); | |
438 | BT_MBOX_PRINT(2, PAG, false); | |
439 | BT_MBOX_PRINT(2, INQUIRY, false); | |
440 | BT_MBOX_PRINT(2, CONN, false); | |
441 | BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); | |
442 | BT_MBOX_PRINT(2, DISC, false); | |
443 | BT_MBOX_PRINT(2, SCO_TX_ACT, false); | |
444 | BT_MBOX_PRINT(2, SCO_RX_ACT, false); | |
445 | BT_MBOX_PRINT(2, ESCO_RE_TX, false); | |
446 | BT_MBOX_PRINT(2, SCO_DURATION, true); | |
10942342 | 447 | |
160be571 EG |
448 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); |
449 | ||
450 | BT_MBOX_PRINT(3, SCO_STATE, false); | |
451 | BT_MBOX_PRINT(3, SNIFF_STATE, false); | |
452 | BT_MBOX_PRINT(3, A2DP_STATE, false); | |
453 | BT_MBOX_PRINT(3, ACL_STATE, false); | |
454 | BT_MBOX_PRINT(3, MSTR_STATE, false); | |
455 | BT_MBOX_PRINT(3, OBX_STATE, false); | |
456 | BT_MBOX_PRINT(3, OPEN_CON_2, false); | |
457 | BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); | |
458 | BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); | |
459 | BT_MBOX_PRINT(3, INBAND_P, false); | |
460 | BT_MBOX_PRINT(3, MSG_TYPE_2, false); | |
461 | BT_MBOX_PRINT(3, SSN_2, false); | |
462 | BT_MBOX_PRINT(3, UPDATE_REQUEST, true); | |
463 | ||
464 | return pos; | |
465 | } | |
466 | ||
160be571 EG |
467 | static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, |
468 | size_t count, loff_t *ppos) | |
469 | { | |
470 | struct iwl_mvm *mvm = file->private_data; | |
97f95c93 | 471 | struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif; |
160be571 EG |
472 | char *buf; |
473 | int ret, pos = 0, bufsz = sizeof(char) * 1024; | |
474 | ||
475 | buf = kmalloc(bufsz, GFP_KERNEL); | |
476 | if (!buf) | |
477 | return -ENOMEM; | |
478 | ||
479 | mutex_lock(&mvm->mutex); | |
480 | ||
97f95c93 SS |
481 | pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); |
482 | ||
483 | pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n", | |
484 | notif->bt_ci_compliance); | |
485 | pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n", | |
486 | le32_to_cpu(notif->primary_ch_lut)); | |
487 | pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n", | |
488 | le32_to_cpu(notif->secondary_ch_lut)); | |
489 | pos += scnprintf(buf + pos, | |
490 | bufsz - pos, "bt_activity_grading = %d\n", | |
491 | le32_to_cpu(notif->bt_activity_grading)); | |
492 | pos += scnprintf(buf + pos, bufsz - pos, | |
493 | "antenna isolation = %d CORUN LUT index = %d\n", | |
494 | mvm->last_ant_isol, mvm->last_corun_lut); | |
495 | pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", | |
496 | (notif->ttc_rrc_status >> 4) & 0xF); | |
497 | pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", | |
498 | notif->ttc_rrc_status & 0xF); | |
10942342 | 499 | |
c725a46b MH |
500 | pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n", |
501 | IWL_MVM_BT_COEX_SYNC2SCO); | |
502 | pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n", | |
503 | IWL_MVM_BT_COEX_MPLUT); | |
504 | pos += scnprintf(buf + pos, bufsz - pos, "corunning = %d\n", | |
505 | IWL_MVM_BT_COEX_CORUNNING); | |
506 | ||
10942342 EG |
507 | mutex_unlock(&mvm->mutex); |
508 | ||
509 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
510 | kfree(buf); | |
511 | ||
512 | return ret; | |
513 | } | |
514 | #undef BT_MBOX_PRINT | |
515 | ||
2de13cae EG |
516 | static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, |
517 | size_t count, loff_t *ppos) | |
518 | { | |
519 | struct iwl_mvm *mvm = file->private_data; | |
97f95c93 | 520 | struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; |
2de13cae EG |
521 | char buf[256]; |
522 | int bufsz = sizeof(buf); | |
523 | int pos = 0; | |
524 | ||
525 | mutex_lock(&mvm->mutex); | |
526 | ||
97f95c93 SS |
527 | pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n"); |
528 | pos += scnprintf(buf + pos, bufsz - pos, | |
529 | "\tPrimary Channel Bitmap 0x%016llx\n", | |
530 | le64_to_cpu(cmd->bt_primary_ci)); | |
531 | pos += scnprintf(buf + pos, bufsz - pos, | |
532 | "\tSecondary Channel Bitmap 0x%016llx\n", | |
533 | le64_to_cpu(cmd->bt_secondary_ci)); | |
2de13cae EG |
534 | |
535 | mutex_unlock(&mvm->mutex); | |
536 | ||
537 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
538 | } | |
539 | ||
cdb00563 EG |
540 | static ssize_t |
541 | iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf, | |
542 | size_t count, loff_t *ppos) | |
543 | { | |
544 | u32 bt_tx_prio; | |
545 | ||
546 | if (sscanf(buf, "%u", &bt_tx_prio) != 1) | |
547 | return -EINVAL; | |
548 | if (bt_tx_prio > 4) | |
549 | return -EINVAL; | |
550 | ||
551 | mvm->bt_tx_prio = bt_tx_prio; | |
552 | ||
553 | return count; | |
554 | } | |
555 | ||
a39979a8 EG |
556 | static ssize_t |
557 | iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf, | |
558 | size_t count, loff_t *ppos) | |
559 | { | |
560 | static const char * const modes_str[BT_FORCE_ANT_MAX] = { | |
561 | [BT_FORCE_ANT_DIS] = "dis", | |
562 | [BT_FORCE_ANT_AUTO] = "auto", | |
563 | [BT_FORCE_ANT_BT] = "bt", | |
564 | [BT_FORCE_ANT_WIFI] = "wifi", | |
565 | }; | |
566 | int ret, bt_force_ant_mode; | |
567 | ||
568 | for (bt_force_ant_mode = 0; | |
569 | bt_force_ant_mode < ARRAY_SIZE(modes_str); | |
570 | bt_force_ant_mode++) { | |
571 | if (!strcmp(buf, modes_str[bt_force_ant_mode])) | |
572 | break; | |
573 | } | |
574 | ||
575 | if (bt_force_ant_mode >= ARRAY_SIZE(modes_str)) | |
576 | return -EINVAL; | |
577 | ||
578 | ret = 0; | |
579 | mutex_lock(&mvm->mutex); | |
580 | if (mvm->bt_force_ant_mode == bt_force_ant_mode) | |
581 | goto out; | |
582 | ||
583 | mvm->bt_force_ant_mode = bt_force_ant_mode; | |
584 | IWL_DEBUG_COEX(mvm, "Force mode: %s\n", | |
585 | modes_str[mvm->bt_force_ant_mode]); | |
586 | ret = iwl_send_bt_init_conf(mvm); | |
587 | ||
588 | out: | |
589 | mutex_unlock(&mvm->mutex); | |
590 | return ret ?: count; | |
591 | } | |
592 | ||
93d17cce | 593 | #define PRINT_STATS_LE32(_struct, _memb) \ |
3848ab66 | 594 | pos += scnprintf(buf + pos, bufsz - pos, \ |
93d17cce JB |
595 | fmt_table, #_memb, \ |
596 | le32_to_cpu(_struct->_memb)) | |
3848ab66 MG |
597 | |
598 | static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, | |
599 | char __user *user_buf, size_t count, | |
600 | loff_t *ppos) | |
601 | { | |
602 | struct iwl_mvm *mvm = file->private_data; | |
603 | static const char *fmt_table = "\t%-30s %10u\n"; | |
604 | static const char *fmt_header = "%-32s\n"; | |
605 | int pos = 0; | |
606 | char *buf; | |
607 | int ret; | |
3f617281 LC |
608 | /* 43 is the size of each data line, 33 is the size of each header */ |
609 | size_t bufsz = | |
610 | ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) + | |
611 | (4 * 33) + 1; | |
612 | ||
3848ab66 MG |
613 | struct mvm_statistics_rx_phy *ofdm; |
614 | struct mvm_statistics_rx_phy *cck; | |
615 | struct mvm_statistics_rx_non_phy *general; | |
616 | struct mvm_statistics_rx_ht_phy *ht; | |
617 | ||
618 | buf = kzalloc(bufsz, GFP_KERNEL); | |
619 | if (!buf) | |
620 | return -ENOMEM; | |
621 | ||
622 | mutex_lock(&mvm->mutex); | |
623 | ||
624 | ofdm = &mvm->rx_stats.ofdm; | |
625 | cck = &mvm->rx_stats.cck; | |
626 | general = &mvm->rx_stats.general; | |
627 | ht = &mvm->rx_stats.ofdm_ht; | |
628 | ||
629 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
630 | "Statistics_Rx - OFDM"); | |
93d17cce JB |
631 | PRINT_STATS_LE32(ofdm, ina_cnt); |
632 | PRINT_STATS_LE32(ofdm, fina_cnt); | |
633 | PRINT_STATS_LE32(ofdm, plcp_err); | |
634 | PRINT_STATS_LE32(ofdm, crc32_err); | |
635 | PRINT_STATS_LE32(ofdm, overrun_err); | |
636 | PRINT_STATS_LE32(ofdm, early_overrun_err); | |
637 | PRINT_STATS_LE32(ofdm, crc32_good); | |
638 | PRINT_STATS_LE32(ofdm, false_alarm_cnt); | |
639 | PRINT_STATS_LE32(ofdm, fina_sync_err_cnt); | |
640 | PRINT_STATS_LE32(ofdm, sfd_timeout); | |
641 | PRINT_STATS_LE32(ofdm, fina_timeout); | |
642 | PRINT_STATS_LE32(ofdm, unresponded_rts); | |
643 | PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); | |
644 | PRINT_STATS_LE32(ofdm, sent_ack_cnt); | |
645 | PRINT_STATS_LE32(ofdm, sent_cts_cnt); | |
646 | PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); | |
647 | PRINT_STATS_LE32(ofdm, dsp_self_kill); | |
648 | PRINT_STATS_LE32(ofdm, mh_format_err); | |
649 | PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum); | |
650 | PRINT_STATS_LE32(ofdm, reserved); | |
3848ab66 MG |
651 | |
652 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
653 | "Statistics_Rx - CCK"); | |
93d17cce JB |
654 | PRINT_STATS_LE32(cck, ina_cnt); |
655 | PRINT_STATS_LE32(cck, fina_cnt); | |
656 | PRINT_STATS_LE32(cck, plcp_err); | |
657 | PRINT_STATS_LE32(cck, crc32_err); | |
658 | PRINT_STATS_LE32(cck, overrun_err); | |
659 | PRINT_STATS_LE32(cck, early_overrun_err); | |
660 | PRINT_STATS_LE32(cck, crc32_good); | |
661 | PRINT_STATS_LE32(cck, false_alarm_cnt); | |
662 | PRINT_STATS_LE32(cck, fina_sync_err_cnt); | |
663 | PRINT_STATS_LE32(cck, sfd_timeout); | |
664 | PRINT_STATS_LE32(cck, fina_timeout); | |
665 | PRINT_STATS_LE32(cck, unresponded_rts); | |
666 | PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); | |
667 | PRINT_STATS_LE32(cck, sent_ack_cnt); | |
668 | PRINT_STATS_LE32(cck, sent_cts_cnt); | |
669 | PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); | |
670 | PRINT_STATS_LE32(cck, dsp_self_kill); | |
671 | PRINT_STATS_LE32(cck, mh_format_err); | |
672 | PRINT_STATS_LE32(cck, re_acq_main_rssi_sum); | |
673 | PRINT_STATS_LE32(cck, reserved); | |
3848ab66 MG |
674 | |
675 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
676 | "Statistics_Rx - GENERAL"); | |
93d17cce JB |
677 | PRINT_STATS_LE32(general, bogus_cts); |
678 | PRINT_STATS_LE32(general, bogus_ack); | |
679 | PRINT_STATS_LE32(general, non_bssid_frames); | |
680 | PRINT_STATS_LE32(general, filtered_frames); | |
681 | PRINT_STATS_LE32(general, non_channel_beacons); | |
682 | PRINT_STATS_LE32(general, channel_beacons); | |
683 | PRINT_STATS_LE32(general, num_missed_bcon); | |
684 | PRINT_STATS_LE32(general, adc_rx_saturation_time); | |
685 | PRINT_STATS_LE32(general, ina_detection_search_time); | |
686 | PRINT_STATS_LE32(general, beacon_silence_rssi_a); | |
687 | PRINT_STATS_LE32(general, beacon_silence_rssi_b); | |
688 | PRINT_STATS_LE32(general, beacon_silence_rssi_c); | |
689 | PRINT_STATS_LE32(general, interference_data_flag); | |
690 | PRINT_STATS_LE32(general, channel_load); | |
691 | PRINT_STATS_LE32(general, dsp_false_alarms); | |
692 | PRINT_STATS_LE32(general, beacon_rssi_a); | |
693 | PRINT_STATS_LE32(general, beacon_rssi_b); | |
694 | PRINT_STATS_LE32(general, beacon_rssi_c); | |
695 | PRINT_STATS_LE32(general, beacon_energy_a); | |
696 | PRINT_STATS_LE32(general, beacon_energy_b); | |
697 | PRINT_STATS_LE32(general, beacon_energy_c); | |
698 | PRINT_STATS_LE32(general, num_bt_kills); | |
699 | PRINT_STATS_LE32(general, mac_id); | |
700 | PRINT_STATS_LE32(general, directed_data_mpdu); | |
3848ab66 MG |
701 | |
702 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
703 | "Statistics_Rx - HT"); | |
93d17cce JB |
704 | PRINT_STATS_LE32(ht, plcp_err); |
705 | PRINT_STATS_LE32(ht, overrun_err); | |
706 | PRINT_STATS_LE32(ht, early_overrun_err); | |
707 | PRINT_STATS_LE32(ht, crc32_good); | |
708 | PRINT_STATS_LE32(ht, crc32_err); | |
709 | PRINT_STATS_LE32(ht, mh_format_err); | |
710 | PRINT_STATS_LE32(ht, agg_crc32_good); | |
711 | PRINT_STATS_LE32(ht, agg_mpdu_cnt); | |
712 | PRINT_STATS_LE32(ht, agg_cnt); | |
713 | PRINT_STATS_LE32(ht, unsupport_mcs); | |
3848ab66 MG |
714 | |
715 | mutex_unlock(&mvm->mutex); | |
716 | ||
717 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
718 | kfree(buf); | |
719 | ||
720 | return ret; | |
721 | } | |
722 | #undef PRINT_STAT_LE32 | |
723 | ||
5fc0f76c ES |
724 | static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, |
725 | char __user *user_buf, size_t count, | |
726 | loff_t *ppos, | |
727 | struct iwl_mvm_frame_stats *stats) | |
728 | { | |
f754b5ca ES |
729 | char *buff, *pos, *endpos; |
730 | int idx, i; | |
5fc0f76c | 731 | int ret; |
f754b5ca | 732 | static const size_t bufsz = 1024; |
5fc0f76c ES |
733 | |
734 | buff = kmalloc(bufsz, GFP_KERNEL); | |
735 | if (!buff) | |
736 | return -ENOMEM; | |
737 | ||
738 | spin_lock_bh(&mvm->drv_stats_lock); | |
f754b5ca ES |
739 | |
740 | pos = buff; | |
741 | endpos = pos + bufsz; | |
742 | ||
743 | pos += scnprintf(pos, endpos - pos, | |
5fc0f76c ES |
744 | "Legacy/HT/VHT\t:\t%d/%d/%d\n", |
745 | stats->legacy_frames, | |
746 | stats->ht_frames, | |
747 | stats->vht_frames); | |
f754b5ca | 748 | pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n", |
5fc0f76c ES |
749 | stats->bw_20_frames, |
750 | stats->bw_40_frames, | |
751 | stats->bw_80_frames); | |
f754b5ca | 752 | pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n", |
5fc0f76c ES |
753 | stats->ngi_frames, |
754 | stats->sgi_frames); | |
f754b5ca | 755 | pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n", |
5fc0f76c ES |
756 | stats->siso_frames, |
757 | stats->mimo2_frames); | |
f754b5ca | 758 | pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n", |
5fc0f76c ES |
759 | stats->fail_frames, |
760 | stats->success_frames); | |
f754b5ca | 761 | pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n", |
5fc0f76c | 762 | stats->agg_frames); |
f754b5ca | 763 | pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n", |
5fc0f76c | 764 | stats->ampdu_count); |
f754b5ca | 765 | pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n", |
5fc0f76c ES |
766 | stats->ampdu_count > 0 ? |
767 | (stats->agg_frames / stats->ampdu_count) : 0); | |
768 | ||
f754b5ca | 769 | pos += scnprintf(pos, endpos - pos, "Last Rates\n"); |
5fc0f76c ES |
770 | |
771 | idx = stats->last_frame_idx - 1; | |
772 | for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) { | |
773 | idx = (idx + 1) % ARRAY_SIZE(stats->last_rates); | |
774 | if (stats->last_rates[idx] == 0) | |
775 | continue; | |
f754b5ca | 776 | pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", |
5fc0f76c | 777 | (int)(ARRAY_SIZE(stats->last_rates) - i)); |
f754b5ca | 778 | pos += rs_pretty_print_rate(pos, stats->last_rates[idx]); |
5fc0f76c ES |
779 | } |
780 | spin_unlock_bh(&mvm->drv_stats_lock); | |
781 | ||
f754b5ca | 782 | ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); |
5fc0f76c ES |
783 | kfree(buff); |
784 | ||
785 | return ret; | |
786 | } | |
787 | ||
788 | static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file, | |
789 | char __user *user_buf, size_t count, | |
790 | loff_t *ppos) | |
791 | { | |
792 | struct iwl_mvm *mvm = file->private_data; | |
793 | ||
794 | return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos, | |
795 | &mvm->drv_rx_stats); | |
796 | } | |
797 | ||
1fa3f57a | 798 | static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, |
490953ac EG |
799 | size_t count, loff_t *ppos) |
800 | { | |
490953ac EG |
801 | int ret; |
802 | ||
490953ac EG |
803 | mutex_lock(&mvm->mutex); |
804 | ||
291aa7c4 EH |
805 | /* allow one more restart that we're provoking here */ |
806 | if (mvm->restart_fw >= 0) | |
807 | mvm->restart_fw++; | |
808 | ||
490953ac | 809 | /* take the return value to make compiler happy - it will fail anyway */ |
a1022927 | 810 | ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL); |
490953ac EG |
811 | |
812 | mutex_unlock(&mvm->mutex); | |
813 | ||
490953ac EG |
814 | return count; |
815 | } | |
816 | ||
1fa3f57a | 817 | static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, |
119663c3 AB |
818 | size_t count, loff_t *ppos) |
819 | { | |
576eeee9 EP |
820 | int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI); |
821 | if (ret) | |
822 | return ret; | |
823 | ||
4c9706dc | 824 | iwl_force_nmi(mvm->trans); |
119663c3 | 825 | |
576eeee9 EP |
826 | iwl_mvm_unref(mvm, IWL_MVM_REF_NMI); |
827 | ||
119663c3 AB |
828 | return count; |
829 | } | |
830 | ||
91b05d10 OG |
831 | static ssize_t |
832 | iwl_dbgfs_scan_ant_rxchain_read(struct file *file, | |
833 | char __user *user_buf, | |
834 | size_t count, loff_t *ppos) | |
835 | { | |
836 | struct iwl_mvm *mvm = file->private_data; | |
837 | int pos = 0; | |
838 | char buf[32]; | |
839 | const size_t bufsz = sizeof(buf); | |
840 | ||
841 | /* print which antennas were set for the scan command by the user */ | |
842 | pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); | |
843 | if (mvm->scan_rx_ant & ANT_A) | |
844 | pos += scnprintf(buf + pos, bufsz - pos, "A"); | |
845 | if (mvm->scan_rx_ant & ANT_B) | |
846 | pos += scnprintf(buf + pos, bufsz - pos, "B"); | |
847 | if (mvm->scan_rx_ant & ANT_C) | |
848 | pos += scnprintf(buf + pos, bufsz - pos, "C"); | |
849 | pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant); | |
850 | ||
851 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
852 | } | |
853 | ||
854 | static ssize_t | |
1fa3f57a | 855 | iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, |
91b05d10 OG |
856 | size_t count, loff_t *ppos) |
857 | { | |
91b05d10 OG |
858 | u8 scan_rx_ant; |
859 | ||
91b05d10 OG |
860 | if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) |
861 | return -EINVAL; | |
862 | if (scan_rx_ant > ANT_ABC) | |
863 | return -EINVAL; | |
a0544272 | 864 | if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) |
91b05d10 OG |
865 | return -EINVAL; |
866 | ||
d2496221 DS |
867 | if (mvm->scan_rx_ant != scan_rx_ant) { |
868 | mvm->scan_rx_ant = scan_rx_ant; | |
859d914c JB |
869 | if (fw_has_capa(&mvm->fw->ucode_capa, |
870 | IWL_UCODE_TLV_CAPA_UMAC_SCAN)) | |
d2496221 DS |
871 | iwl_mvm_config_scan(mvm); |
872 | } | |
91b05d10 OG |
873 | |
874 | return count; | |
875 | } | |
876 | ||
43413a97 SS |
877 | static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm, |
878 | char *buf, size_t count, | |
879 | loff_t *ppos) | |
880 | { | |
881 | struct iwl_rss_config_cmd cmd = { | |
882 | .flags = cpu_to_le32(IWL_RSS_ENABLE), | |
883 | .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP | | |
854d773e | 884 | IWL_RSS_HASH_TYPE_IPV4_UDP | |
43413a97 SS |
885 | IWL_RSS_HASH_TYPE_IPV4_PAYLOAD | |
886 | IWL_RSS_HASH_TYPE_IPV6_TCP | | |
854d773e | 887 | IWL_RSS_HASH_TYPE_IPV6_UDP | |
43413a97 SS |
888 | IWL_RSS_HASH_TYPE_IPV6_PAYLOAD, |
889 | }; | |
890 | int ret, i, num_repeats, nbytes = count / 2; | |
891 | ||
892 | ret = hex2bin(cmd.indirection_table, buf, nbytes); | |
893 | if (ret) | |
894 | return ret; | |
895 | ||
896 | /* | |
897 | * The input is the redirection table, partial or full. | |
898 | * Repeat the pattern if needed. | |
899 | * For example, input of 01020F will be repeated 42 times, | |
900 | * indirecting RSS hash results to queues 1, 2, 15 (skipping | |
901 | * queues 3 - 14). | |
902 | */ | |
903 | num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes; | |
904 | for (i = 1; i < num_repeats; i++) | |
905 | memcpy(&cmd.indirection_table[i * nbytes], | |
906 | cmd.indirection_table, nbytes); | |
907 | /* handle cut in the middle pattern for the last places */ | |
908 | memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table, | |
909 | ARRAY_SIZE(cmd.indirection_table) % nbytes); | |
910 | ||
854d773e | 911 | netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); |
43413a97 SS |
912 | |
913 | mutex_lock(&mvm->mutex); | |
914 | ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd); | |
915 | mutex_unlock(&mvm->mutex); | |
916 | ||
917 | return ret ?: count; | |
918 | } | |
919 | ||
8c23f95c EG |
920 | static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, |
921 | char __user *user_buf, | |
922 | size_t count, loff_t *ppos) | |
923 | { | |
924 | struct iwl_mvm *mvm = file->private_data; | |
d2709ad7 | 925 | int conf; |
8c23f95c EG |
926 | char buf[8]; |
927 | const size_t bufsz = sizeof(buf); | |
928 | int pos = 0; | |
929 | ||
930 | mutex_lock(&mvm->mutex); | |
931 | conf = mvm->fw_dbg_conf; | |
932 | mutex_unlock(&mvm->mutex); | |
933 | ||
934 | pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); | |
935 | ||
936 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
937 | } | |
938 | ||
321c2104 GBA |
939 | /* |
940 | * Enable / Disable continuous recording. | |
941 | * Cause the FW to start continuous recording, by sending the relevant hcmd. | |
942 | * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING. | |
943 | * Disable: for 0 as input, DISABLE_CONT_RECORDING. | |
944 | */ | |
945 | static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm, | |
946 | char *buf, size_t count, | |
947 | loff_t *ppos) | |
948 | { | |
949 | struct iwl_trans *trans = mvm->trans; | |
950 | const struct iwl_fw_dbg_dest_tlv *dest = trans->dbg_dest_tlv; | |
951 | struct iwl_continuous_record_cmd cont_rec = {}; | |
952 | int ret, rec_mode; | |
953 | ||
954 | if (!dest) | |
955 | return -EOPNOTSUPP; | |
956 | ||
957 | if (dest->monitor_mode != SMEM_MODE || | |
958 | trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) | |
959 | return -EOPNOTSUPP; | |
960 | ||
27e070d3 | 961 | ret = kstrtoint(buf, 0, &rec_mode); |
321c2104 GBA |
962 | if (ret) |
963 | return ret; | |
964 | ||
965 | cont_rec.record_mode.enable_recording = rec_mode ? | |
966 | cpu_to_le16(ENABLE_CONT_RECORDING) : | |
967 | cpu_to_le16(DISABLE_CONT_RECORDING); | |
968 | ||
969 | mutex_lock(&mvm->mutex); | |
970 | ret = iwl_mvm_send_cmd_pdu(mvm, LDBG_CONFIG_CMD, 0, | |
971 | sizeof(cont_rec), &cont_rec); | |
972 | mutex_unlock(&mvm->mutex); | |
973 | ||
974 | return ret ?: count; | |
975 | } | |
976 | ||
8c23f95c EG |
977 | static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, |
978 | char *buf, size_t count, | |
979 | loff_t *ppos) | |
980 | { | |
8e8114de DC |
981 | unsigned int conf_id; |
982 | int ret; | |
8c23f95c | 983 | |
8e8114de | 984 | ret = kstrtouint(buf, 0, &conf_id); |
8c23f95c EG |
985 | if (ret) |
986 | return ret; | |
987 | ||
d2709ad7 | 988 | if (WARN_ON(conf_id >= FW_DBG_CONF_MAX)) |
8c23f95c EG |
989 | return -EINVAL; |
990 | ||
991 | mutex_lock(&mvm->mutex); | |
992 | ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id); | |
993 | mutex_unlock(&mvm->mutex); | |
994 | ||
995 | return ret ?: count; | |
996 | } | |
997 | ||
998 | static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, | |
999 | char *buf, size_t count, | |
1000 | loff_t *ppos) | |
1001 | { | |
e93475a0 LK |
1002 | int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); |
1003 | ||
1004 | if (ret) | |
1005 | return ret; | |
1006 | ||
c91b865c GBA |
1007 | iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, buf, |
1008 | (count - 1), NULL); | |
e93475a0 LK |
1009 | |
1010 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); | |
8c23f95c EG |
1011 | |
1012 | return count; | |
1013 | } | |
1014 | ||
9e7dce28 EG |
1015 | static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm, |
1016 | char *buf, size_t count, | |
1017 | loff_t *ppos) | |
1018 | { | |
1019 | unsigned int max_amsdu_len; | |
1020 | int ret; | |
1021 | ||
1022 | ret = kstrtouint(buf, 0, &max_amsdu_len); | |
1023 | ||
1024 | if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454) | |
1025 | return -EINVAL; | |
1026 | mvm->max_amsdu_len = max_amsdu_len; | |
1027 | ||
1028 | return count; | |
1029 | } | |
1030 | ||
de06a59e EP |
1031 | #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) |
1032 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING | |
1033 | static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, | |
1034 | char __user *user_buf, | |
1035 | size_t count, loff_t *ppos) | |
1036 | { | |
1037 | struct iwl_mvm *mvm = file->private_data; | |
1038 | struct iwl_bcast_filter_cmd cmd; | |
1039 | const struct iwl_fw_bcast_filter *filter; | |
1040 | char *buf; | |
1041 | int bufsz = 1024; | |
1042 | int i, j, pos = 0; | |
1043 | ssize_t ret; | |
1044 | ||
1045 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1046 | if (!buf) | |
1047 | return -ENOMEM; | |
1048 | ||
1049 | mutex_lock(&mvm->mutex); | |
1050 | if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { | |
1051 | ADD_TEXT("None\n"); | |
1052 | mutex_unlock(&mvm->mutex); | |
1053 | goto out; | |
1054 | } | |
1055 | mutex_unlock(&mvm->mutex); | |
1056 | ||
1057 | for (i = 0; cmd.filters[i].attrs[0].mask; i++) { | |
1058 | filter = &cmd.filters[i]; | |
1059 | ||
1060 | ADD_TEXT("Filter [%d]:\n", i); | |
1061 | ADD_TEXT("\tDiscard=%d\n", filter->discard); | |
1062 | ADD_TEXT("\tFrame Type: %s\n", | |
1063 | filter->frame_type ? "IPv4" : "Generic"); | |
1064 | ||
1065 | for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) { | |
1066 | const struct iwl_fw_bcast_filter_attr *attr; | |
1067 | ||
1068 | attr = &filter->attrs[j]; | |
1069 | if (!attr->mask) | |
1070 | break; | |
1071 | ||
1072 | ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n", | |
1073 | j, attr->offset, | |
1074 | attr->offset_type ? "IP End" : | |
1075 | "Payload Start", | |
1076 | be32_to_cpu(attr->mask), | |
1077 | be32_to_cpu(attr->val), | |
1078 | le16_to_cpu(attr->reserved1)); | |
1079 | } | |
1080 | } | |
1081 | out: | |
1082 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1083 | kfree(buf); | |
1084 | return ret; | |
1085 | } | |
1086 | ||
1087 | static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf, | |
1088 | size_t count, loff_t *ppos) | |
1089 | { | |
1090 | int pos, next_pos; | |
1091 | struct iwl_fw_bcast_filter filter = {}; | |
1092 | struct iwl_bcast_filter_cmd cmd; | |
1093 | u32 filter_id, attr_id, mask, value; | |
1094 | int err = 0; | |
1095 | ||
1096 | if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard, | |
1097 | &filter.frame_type, &pos) != 3) | |
1098 | return -EINVAL; | |
1099 | ||
1100 | if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) || | |
1101 | filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4) | |
1102 | return -EINVAL; | |
1103 | ||
1104 | for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs); | |
1105 | attr_id++) { | |
1106 | struct iwl_fw_bcast_filter_attr *attr = | |
1107 | &filter.attrs[attr_id]; | |
1108 | ||
1109 | if (pos >= count) | |
1110 | break; | |
1111 | ||
1112 | if (sscanf(&buf[pos], "%hhi %hhi %i %i %n", | |
1113 | &attr->offset, &attr->offset_type, | |
1114 | &mask, &value, &next_pos) != 4) | |
1115 | return -EINVAL; | |
1116 | ||
1117 | attr->mask = cpu_to_be32(mask); | |
1118 | attr->val = cpu_to_be32(value); | |
1119 | if (mask) | |
1120 | filter.num_attrs++; | |
1121 | ||
1122 | pos += next_pos; | |
1123 | } | |
1124 | ||
1125 | mutex_lock(&mvm->mutex); | |
1126 | memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id], | |
1127 | &filter, sizeof(filter)); | |
1128 | ||
1129 | /* send updated bcast filtering configuration */ | |
1130 | if (mvm->dbgfs_bcast_filtering.override && | |
1131 | iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) | |
a1022927 | 1132 | err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
de06a59e EP |
1133 | sizeof(cmd), &cmd); |
1134 | mutex_unlock(&mvm->mutex); | |
1135 | ||
1136 | return err ?: count; | |
1137 | } | |
1138 | ||
1139 | static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file, | |
1140 | char __user *user_buf, | |
1141 | size_t count, loff_t *ppos) | |
1142 | { | |
1143 | struct iwl_mvm *mvm = file->private_data; | |
1144 | struct iwl_bcast_filter_cmd cmd; | |
1145 | char *buf; | |
1146 | int bufsz = 1024; | |
1147 | int i, pos = 0; | |
1148 | ssize_t ret; | |
1149 | ||
1150 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1151 | if (!buf) | |
1152 | return -ENOMEM; | |
1153 | ||
1154 | mutex_lock(&mvm->mutex); | |
1155 | if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { | |
1156 | ADD_TEXT("None\n"); | |
1157 | mutex_unlock(&mvm->mutex); | |
1158 | goto out; | |
1159 | } | |
1160 | mutex_unlock(&mvm->mutex); | |
1161 | ||
1162 | for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) { | |
1163 | const struct iwl_fw_bcast_mac *mac = &cmd.macs[i]; | |
1164 | ||
1165 | ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n", | |
1166 | i, mac->default_discard, mac->attached_filters); | |
1167 | } | |
1168 | out: | |
1169 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1170 | kfree(buf); | |
1171 | return ret; | |
1172 | } | |
1173 | ||
1174 | static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm, | |
1175 | char *buf, size_t count, | |
1176 | loff_t *ppos) | |
1177 | { | |
1178 | struct iwl_bcast_filter_cmd cmd; | |
1179 | struct iwl_fw_bcast_mac mac = {}; | |
1180 | u32 mac_id, attached_filters; | |
1181 | int err = 0; | |
1182 | ||
1183 | if (!mvm->bcast_filters) | |
1184 | return -ENOENT; | |
1185 | ||
1186 | if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard, | |
1187 | &attached_filters) != 3) | |
1188 | return -EINVAL; | |
1189 | ||
1190 | if (mac_id >= ARRAY_SIZE(cmd.macs) || | |
1191 | mac.default_discard > 1 || | |
1192 | attached_filters >= BIT(ARRAY_SIZE(cmd.filters))) | |
1193 | return -EINVAL; | |
1194 | ||
1195 | mac.attached_filters = cpu_to_le16(attached_filters); | |
1196 | ||
1197 | mutex_lock(&mvm->mutex); | |
1198 | memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id], | |
1199 | &mac, sizeof(mac)); | |
1200 | ||
1201 | /* send updated bcast filtering configuration */ | |
1202 | if (mvm->dbgfs_bcast_filtering.override && | |
1203 | iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) | |
a1022927 | 1204 | err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
de06a59e EP |
1205 | sizeof(cmd), &cmd); |
1206 | mutex_unlock(&mvm->mutex); | |
1207 | ||
1208 | return err ?: count; | |
1209 | } | |
1210 | #endif | |
1211 | ||
afc66bb7 | 1212 | #ifdef CONFIG_PM_SLEEP |
1fa3f57a | 1213 | static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf, |
afc66bb7 JB |
1214 | size_t count, loff_t *ppos) |
1215 | { | |
afc66bb7 JB |
1216 | int store; |
1217 | ||
afc66bb7 JB |
1218 | if (sscanf(buf, "%d", &store) != 1) |
1219 | return -EINVAL; | |
1220 | ||
1221 | mvm->store_d3_resume_sram = store; | |
1222 | ||
1223 | return count; | |
1224 | } | |
1225 | ||
1226 | static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, | |
1227 | size_t count, loff_t *ppos) | |
1228 | { | |
1229 | struct iwl_mvm *mvm = file->private_data; | |
1230 | const struct fw_img *img; | |
1231 | int ofs, len, pos = 0; | |
1232 | size_t bufsz, ret; | |
1233 | char *buf; | |
1234 | u8 *ptr = mvm->d3_resume_sram; | |
1235 | ||
1236 | img = &mvm->fw->img[IWL_UCODE_WOWLAN]; | |
1237 | len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
1238 | ||
1239 | bufsz = len * 4 + 256; | |
1240 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1241 | if (!buf) | |
1242 | return -ENOMEM; | |
1243 | ||
1244 | pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n", | |
1245 | mvm->store_d3_resume_sram ? "en" : "dis"); | |
1246 | ||
1247 | if (ptr) { | |
1248 | for (ofs = 0; ofs < len; ofs += 16) { | |
1249 | pos += scnprintf(buf + pos, bufsz - pos, | |
3cd6e2f7 | 1250 | "0x%.4x %16ph\n", ofs, ptr + ofs); |
afc66bb7 JB |
1251 | } |
1252 | } else { | |
1253 | pos += scnprintf(buf + pos, bufsz - pos, | |
1254 | "(no data captured)\n"); | |
1255 | } | |
1256 | ||
1257 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1258 | ||
1259 | kfree(buf); | |
1260 | ||
1261 | return ret; | |
1262 | } | |
1263 | #endif | |
1264 | ||
576eeee9 EP |
1265 | #define PRINT_MVM_REF(ref) do { \ |
1266 | if (mvm->refs[ref]) \ | |
1267 | pos += scnprintf(buf + pos, bufsz - pos, \ | |
1268 | "\t(0x%lx): %d %s\n", \ | |
1269 | BIT(ref), mvm->refs[ref], #ref); \ | |
70d6babb EP |
1270 | } while (0) |
1271 | ||
1272 | static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file, | |
1273 | char __user *user_buf, | |
1274 | size_t count, loff_t *ppos) | |
1275 | { | |
1276 | struct iwl_mvm *mvm = file->private_data; | |
576eeee9 | 1277 | int i, pos = 0; |
70d6babb EP |
1278 | char buf[256]; |
1279 | const size_t bufsz = sizeof(buf); | |
576eeee9 EP |
1280 | u32 refs = 0; |
1281 | ||
1282 | for (i = 0; i < IWL_MVM_REF_COUNT; i++) | |
1283 | if (mvm->refs[i]) | |
1284 | refs |= BIT(i); | |
70d6babb | 1285 | |
576eeee9 EP |
1286 | pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n", |
1287 | refs); | |
70d6babb EP |
1288 | |
1289 | PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN); | |
1290 | PRINT_MVM_REF(IWL_MVM_REF_SCAN); | |
1291 | PRINT_MVM_REF(IWL_MVM_REF_ROC); | |
c779273b | 1292 | PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX); |
70d6babb EP |
1293 | PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT); |
1294 | PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS); | |
0eb83653 | 1295 | PRINT_MVM_REF(IWL_MVM_REF_USER); |
34e611ea JB |
1296 | PRINT_MVM_REF(IWL_MVM_REF_TX); |
1297 | PRINT_MVM_REF(IWL_MVM_REF_TX_AGG); | |
1298 | PRINT_MVM_REF(IWL_MVM_REF_ADD_IF); | |
1299 | PRINT_MVM_REF(IWL_MVM_REF_START_AP); | |
1300 | PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED); | |
1301 | PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX); | |
1302 | PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS); | |
1303 | PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL); | |
1304 | PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ); | |
1305 | PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE); | |
1306 | PRINT_MVM_REF(IWL_MVM_REF_NMI); | |
1307 | PRINT_MVM_REF(IWL_MVM_REF_TM_CMD); | |
d15a747f | 1308 | PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK); |
160acc0e | 1309 | PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA); |
fb2380a2 | 1310 | PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT); |
08f0d23d | 1311 | PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE); |
70d6babb EP |
1312 | |
1313 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1314 | } | |
1315 | ||
0eb83653 EP |
1316 | static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, |
1317 | size_t count, loff_t *ppos) | |
1318 | { | |
1319 | unsigned long value; | |
1320 | int ret; | |
1321 | bool taken; | |
1322 | ||
1323 | ret = kstrtoul(buf, 10, &value); | |
1324 | if (ret < 0) | |
1325 | return ret; | |
1326 | ||
1327 | mutex_lock(&mvm->mutex); | |
1328 | ||
576eeee9 | 1329 | taken = mvm->refs[IWL_MVM_REF_USER]; |
0eb83653 EP |
1330 | if (value == 1 && !taken) |
1331 | iwl_mvm_ref(mvm, IWL_MVM_REF_USER); | |
1332 | else if (value == 0 && taken) | |
1333 | iwl_mvm_unref(mvm, IWL_MVM_REF_USER); | |
1334 | else | |
1335 | ret = -EINVAL; | |
1336 | ||
1337 | mutex_unlock(&mvm->mutex); | |
1338 | ||
1339 | if (ret < 0) | |
1340 | return ret; | |
1341 | return count; | |
1342 | } | |
1343 | ||
1fa3f57a JB |
1344 | #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ |
1345 | _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) | |
1346 | #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ | |
1347 | _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) | |
de06a59e EP |
1348 | #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ |
1349 | if (!debugfs_create_file(alias, mode, parent, mvm, \ | |
8ca151b5 JB |
1350 | &iwl_dbgfs_##name##_ops)) \ |
1351 | goto err; \ | |
1352 | } while (0) | |
de06a59e EP |
1353 | #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ |
1354 | MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) | |
8ca151b5 | 1355 | |
f3c221f6 EP |
1356 | static ssize_t |
1357 | iwl_dbgfs_prph_reg_read(struct file *file, | |
1358 | char __user *user_buf, | |
1359 | size_t count, loff_t *ppos) | |
1360 | { | |
1361 | struct iwl_mvm *mvm = file->private_data; | |
1362 | int pos = 0; | |
1363 | char buf[32]; | |
1364 | const size_t bufsz = sizeof(buf); | |
576eeee9 | 1365 | int ret; |
f3c221f6 EP |
1366 | |
1367 | if (!mvm->dbgfs_prph_reg_addr) | |
1368 | return -EINVAL; | |
1369 | ||
576eeee9 EP |
1370 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ); |
1371 | if (ret) | |
1372 | return ret; | |
1373 | ||
f3c221f6 EP |
1374 | pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", |
1375 | mvm->dbgfs_prph_reg_addr, | |
1376 | iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); | |
1377 | ||
576eeee9 EP |
1378 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ); |
1379 | ||
f3c221f6 EP |
1380 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
1381 | } | |
1382 | ||
1383 | static ssize_t | |
1384 | iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, | |
1385 | size_t count, loff_t *ppos) | |
1386 | { | |
1387 | u8 args; | |
1388 | u32 value; | |
576eeee9 | 1389 | int ret; |
f3c221f6 EP |
1390 | |
1391 | args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); | |
1392 | /* if we only want to set the reg address - nothing more to do */ | |
1393 | if (args == 1) | |
1394 | goto out; | |
1395 | ||
1396 | /* otherwise, make sure we have both address and value */ | |
1397 | if (args != 2) | |
1398 | return -EINVAL; | |
1399 | ||
576eeee9 EP |
1400 | ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); |
1401 | if (ret) | |
1402 | return ret; | |
1403 | ||
f3c221f6 | 1404 | iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); |
576eeee9 EP |
1405 | |
1406 | iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); | |
f3c221f6 EP |
1407 | out: |
1408 | return count; | |
1409 | } | |
1410 | ||
e5046019 EG |
1411 | static ssize_t |
1412 | iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, | |
1413 | size_t count, loff_t *ppos) | |
1414 | { | |
1415 | int ret; | |
1416 | ||
1417 | mutex_lock(&mvm->mutex); | |
1418 | ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); | |
1419 | mutex_unlock(&mvm->mutex); | |
1420 | ||
1421 | return ret ?: count; | |
1422 | } | |
1423 | ||
f3c221f6 EP |
1424 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); |
1425 | ||
8ca151b5 | 1426 | /* Device wide debugfs entries */ |
00f481bd CRI |
1427 | MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget); |
1428 | MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8); | |
1fa3f57a JB |
1429 | MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); |
1430 | MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); | |
e5046019 | 1431 | MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); |
1fa3f57a | 1432 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); |
7280d1f0 | 1433 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); |
c549e390 | 1434 | MVM_DEBUGFS_READ_FILE_OPS(nic_temp); |
8ca151b5 | 1435 | MVM_DEBUGFS_READ_FILE_OPS(stations); |
10942342 | 1436 | MVM_DEBUGFS_READ_FILE_OPS(bt_notif); |
2de13cae | 1437 | MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); |
1fa3f57a | 1438 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); |
3848ab66 | 1439 | MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); |
5fc0f76c | 1440 | MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); |
1fa3f57a JB |
1441 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); |
1442 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); | |
cdb00563 | 1443 | MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); |
a39979a8 | 1444 | MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); |
1fa3f57a | 1445 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); |
0eb83653 | 1446 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); |
8c23f95c | 1447 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); |
c91b865c | 1448 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); |
321c2104 | 1449 | MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8); |
9e7dce28 | 1450 | MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8); |
dd4d3161 SS |
1451 | MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, |
1452 | (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); | |
91b05d10 | 1453 | |
de06a59e EP |
1454 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
1455 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256); | |
1456 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256); | |
1457 | #endif | |
1458 | ||
afc66bb7 | 1459 | #ifdef CONFIG_PM_SLEEP |
1fa3f57a | 1460 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8); |
afc66bb7 | 1461 | #endif |
8ca151b5 JB |
1462 | |
1463 | int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) | |
1464 | { | |
de06a59e | 1465 | struct dentry *bcast_dir __maybe_unused; |
8ca151b5 JB |
1466 | char buf[100]; |
1467 | ||
d07913aa JB |
1468 | spin_lock_init(&mvm->drv_stats_lock); |
1469 | ||
8ca151b5 JB |
1470 | mvm->debugfs_dir = dbgfs_dir; |
1471 | ||
1472 | MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR); | |
1473 | MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR); | |
1474 | MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR); | |
7280d1f0 MG |
1475 | MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, |
1476 | S_IWUSR | S_IRUSR); | |
c549e390 | 1477 | MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR); |
00f481bd CRI |
1478 | MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, S_IRUSR); |
1479 | MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, S_IWUSR); | |
8ca151b5 | 1480 | MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR); |
10942342 | 1481 | MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR); |
2de13cae | 1482 | MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR); |
639eabad EG |
1483 | MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, |
1484 | S_IRUSR | S_IWUSR); | |
3848ab66 | 1485 | MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR); |
5fc0f76c | 1486 | MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR); |
490953ac | 1487 | MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR); |
119663c3 | 1488 | MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR); |
cdb00563 | 1489 | MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR); |
a39979a8 | 1490 | MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR); |
91b05d10 OG |
1491 | MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, |
1492 | S_IWUSR | S_IRUSR); | |
f3c221f6 | 1493 | MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR); |
0eb83653 | 1494 | MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR); |
8c23f95c EG |
1495 | MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR); |
1496 | MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR); | |
9e7dce28 | 1497 | MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, S_IWUSR); |
e5046019 | 1498 | MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR); |
321c2104 | 1499 | MVM_DEBUGFS_ADD_FILE(cont_recording, mvm->debugfs_dir, S_IWUSR); |
43413a97 | 1500 | MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, S_IWUSR); |
cb2513bb LC |
1501 | if (!debugfs_create_bool("enable_scan_iteration_notif", |
1502 | S_IRUSR | S_IWUSR, | |
1503 | mvm->debugfs_dir, | |
1504 | &mvm->scan_iter_notif_enabled)) | |
1505 | goto err; | |
c89e333d AO |
1506 | if (!debugfs_create_bool("drop_bcn_ap_mode", S_IRUSR | S_IWUSR, |
1507 | mvm->debugfs_dir, &mvm->drop_bcn_ap_mode)) | |
1508 | goto err; | |
de06a59e EP |
1509 | |
1510 | #ifdef CONFIG_IWLWIFI_BCAST_FILTERING | |
1511 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { | |
1512 | bcast_dir = debugfs_create_dir("bcast_filtering", | |
1513 | mvm->debugfs_dir); | |
1514 | if (!bcast_dir) | |
1515 | goto err; | |
1516 | ||
1517 | if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR, | |
1518 | bcast_dir, | |
1519 | &mvm->dbgfs_bcast_filtering.override)) | |
1520 | goto err; | |
1521 | ||
1522 | MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters, | |
1523 | bcast_dir, S_IWUSR | S_IRUSR); | |
1524 | MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs, | |
1525 | bcast_dir, S_IWUSR | S_IRUSR); | |
1526 | } | |
1527 | #endif | |
1528 | ||
afc66bb7 JB |
1529 | #ifdef CONFIG_PM_SLEEP |
1530 | MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR); | |
debff618 | 1531 | MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR); |
b0114714 JB |
1532 | if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR, |
1533 | mvm->debugfs_dir, &mvm->d3_wake_sysassert)) | |
1534 | goto err; | |
484b3d13 LC |
1535 | if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR, |
1536 | mvm->debugfs_dir, &mvm->last_netdetect_scans)) | |
1537 | goto err; | |
afc66bb7 | 1538 | #endif |
8ca151b5 | 1539 | |
bdd54839 LC |
1540 | if (!debugfs_create_u8("ps_disabled", S_IRUSR, |
1541 | mvm->debugfs_dir, &mvm->ps_disabled)) | |
1542 | goto err; | |
086f7368 EG |
1543 | if (!debugfs_create_blob("nvm_hw", S_IRUSR, |
1544 | mvm->debugfs_dir, &mvm->nvm_hw_blob)) | |
1545 | goto err; | |
1546 | if (!debugfs_create_blob("nvm_sw", S_IRUSR, | |
1547 | mvm->debugfs_dir, &mvm->nvm_sw_blob)) | |
1548 | goto err; | |
1549 | if (!debugfs_create_blob("nvm_calib", S_IRUSR, | |
1550 | mvm->debugfs_dir, &mvm->nvm_calib_blob)) | |
1551 | goto err; | |
1552 | if (!debugfs_create_blob("nvm_prod", S_IRUSR, | |
1553 | mvm->debugfs_dir, &mvm->nvm_prod_blob)) | |
1554 | goto err; | |
91fac940 MH |
1555 | if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR, |
1556 | mvm->debugfs_dir, &mvm->nvm_phy_sku_blob)) | |
1557 | goto err; | |
086f7368 | 1558 | |
8ca151b5 JB |
1559 | /* |
1560 | * Create a symlink with mac80211. It will be removed when mac80211 | |
1561 | * exists (before the opmode exists which removes the target.) | |
1562 | */ | |
1563 | snprintf(buf, 100, "../../%s/%s", | |
1564 | dbgfs_dir->d_parent->d_parent->d_name.name, | |
1565 | dbgfs_dir->d_parent->d_name.name); | |
1566 | if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf)) | |
1567 | goto err; | |
1568 | ||
1569 | return 0; | |
1570 | err: | |
1571 | IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); | |
1572 | return -ENOMEM; | |
1573 | } |