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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 | * | |
8 | * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 25 | * in the file called COPYING. |
8ca151b5 JB |
26 | * |
27 | * Contact Information: | |
28 | * Intel Linux Wireless <ilw@linux.intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | #include "mvm.h" | |
64 | #include "sta.h" | |
65 | #include "iwl-io.h" | |
66 | ||
67 | struct iwl_dbgfs_mvm_ctx { | |
68 | struct iwl_mvm *mvm; | |
69 | struct ieee80211_vif *vif; | |
70 | }; | |
71 | ||
8ca151b5 JB |
72 | static ssize_t iwl_dbgfs_tx_flush_write(struct file *file, |
73 | const char __user *user_buf, | |
74 | size_t count, loff_t *ppos) | |
75 | { | |
76 | struct iwl_mvm *mvm = file->private_data; | |
77 | ||
78 | char buf[16]; | |
79 | int buf_size, ret; | |
80 | u32 scd_q_msk; | |
81 | ||
82 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
83 | return -EIO; | |
84 | ||
85 | memset(buf, 0, sizeof(buf)); | |
86 | buf_size = min(count, sizeof(buf) - 1); | |
87 | if (copy_from_user(buf, user_buf, buf_size)) | |
88 | return -EFAULT; | |
89 | ||
90 | if (sscanf(buf, "%x", &scd_q_msk) != 1) | |
91 | return -EINVAL; | |
92 | ||
93 | IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk); | |
94 | ||
95 | mutex_lock(&mvm->mutex); | |
96 | ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, true) ? : count; | |
97 | mutex_unlock(&mvm->mutex); | |
98 | ||
99 | return ret; | |
100 | } | |
101 | ||
102 | static ssize_t iwl_dbgfs_sta_drain_write(struct file *file, | |
103 | const char __user *user_buf, | |
104 | size_t count, loff_t *ppos) | |
105 | { | |
106 | struct iwl_mvm *mvm = file->private_data; | |
107 | struct ieee80211_sta *sta; | |
108 | ||
109 | char buf[8]; | |
110 | int buf_size, sta_id, drain, ret; | |
111 | ||
112 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
113 | return -EIO; | |
114 | ||
115 | memset(buf, 0, sizeof(buf)); | |
116 | buf_size = min(count, sizeof(buf) - 1); | |
117 | if (copy_from_user(buf, user_buf, buf_size)) | |
118 | return -EFAULT; | |
119 | ||
120 | if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) | |
121 | return -EINVAL; | |
122 | ||
123 | mutex_lock(&mvm->mutex); | |
124 | ||
125 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], | |
126 | lockdep_is_held(&mvm->mutex)); | |
127 | if (IS_ERR_OR_NULL(sta)) | |
128 | ret = -ENOENT; | |
129 | else | |
130 | ret = iwl_mvm_drain_sta(mvm, (void *)sta->drv_priv, drain) ? : | |
131 | count; | |
132 | ||
133 | mutex_unlock(&mvm->mutex); | |
134 | ||
135 | return ret; | |
136 | } | |
137 | ||
138 | static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, | |
139 | size_t count, loff_t *ppos) | |
140 | { | |
141 | struct iwl_mvm *mvm = file->private_data; | |
142 | const struct fw_img *img; | |
143 | int ofs, len, pos = 0; | |
144 | size_t bufsz, ret; | |
145 | char *buf; | |
146 | u8 *ptr; | |
147 | ||
60191d99 JB |
148 | if (!mvm->ucode_loaded) |
149 | return -EINVAL; | |
150 | ||
8ca151b5 JB |
151 | /* default is to dump the entire data segment */ |
152 | if (!mvm->dbgfs_sram_offset && !mvm->dbgfs_sram_len) { | |
8ca151b5 | 153 | img = &mvm->fw->img[mvm->cur_ucode]; |
60191d99 JB |
154 | ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; |
155 | len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
156 | } else { | |
157 | ofs = mvm->dbgfs_sram_offset; | |
158 | len = mvm->dbgfs_sram_len; | |
8ca151b5 | 159 | } |
8ca151b5 JB |
160 | |
161 | bufsz = len * 4 + 256; | |
162 | buf = kzalloc(bufsz, GFP_KERNEL); | |
163 | if (!buf) | |
164 | return -ENOMEM; | |
165 | ||
166 | ptr = kzalloc(len, GFP_KERNEL); | |
167 | if (!ptr) { | |
168 | kfree(buf); | |
169 | return -ENOMEM; | |
170 | } | |
171 | ||
172 | pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", len); | |
60191d99 | 173 | pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", ofs); |
8ca151b5 | 174 | |
60191d99 | 175 | iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); |
8ca151b5 JB |
176 | for (ofs = 0; ofs < len; ofs += 16) { |
177 | pos += scnprintf(buf + pos, bufsz - pos, "0x%.4x ", ofs); | |
178 | hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos, | |
179 | bufsz - pos, false); | |
180 | pos += strlen(buf + pos); | |
181 | if (bufsz - pos > 0) | |
182 | buf[pos++] = '\n'; | |
183 | } | |
184 | ||
185 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
186 | ||
187 | kfree(buf); | |
188 | kfree(ptr); | |
189 | ||
190 | return ret; | |
191 | } | |
192 | ||
193 | static ssize_t iwl_dbgfs_sram_write(struct file *file, | |
194 | const char __user *user_buf, size_t count, | |
195 | loff_t *ppos) | |
196 | { | |
197 | struct iwl_mvm *mvm = file->private_data; | |
198 | char buf[64]; | |
199 | int buf_size; | |
200 | u32 offset, len; | |
201 | ||
202 | memset(buf, 0, sizeof(buf)); | |
203 | buf_size = min(count, sizeof(buf) - 1); | |
204 | if (copy_from_user(buf, user_buf, buf_size)) | |
205 | return -EFAULT; | |
206 | ||
207 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { | |
208 | if ((offset & 0x3) || (len & 0x3)) | |
209 | return -EINVAL; | |
210 | mvm->dbgfs_sram_offset = offset; | |
211 | mvm->dbgfs_sram_len = len; | |
212 | } else { | |
213 | mvm->dbgfs_sram_offset = 0; | |
214 | mvm->dbgfs_sram_len = 0; | |
215 | } | |
216 | ||
217 | return count; | |
218 | } | |
219 | ||
220 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, | |
221 | size_t count, loff_t *ppos) | |
222 | { | |
223 | struct iwl_mvm *mvm = file->private_data; | |
224 | struct ieee80211_sta *sta; | |
225 | char buf[400]; | |
226 | int i, pos = 0, bufsz = sizeof(buf); | |
227 | ||
228 | mutex_lock(&mvm->mutex); | |
229 | ||
230 | for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { | |
231 | pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); | |
232 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], | |
233 | lockdep_is_held(&mvm->mutex)); | |
234 | if (!sta) | |
235 | pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); | |
236 | else if (IS_ERR(sta)) | |
237 | pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", | |
238 | PTR_ERR(sta)); | |
239 | else | |
240 | pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", | |
241 | sta->addr); | |
242 | } | |
243 | ||
244 | mutex_unlock(&mvm->mutex); | |
245 | ||
246 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
247 | } | |
248 | ||
249 | static ssize_t iwl_dbgfs_power_down_allow_write(struct file *file, | |
250 | const char __user *user_buf, | |
251 | size_t count, loff_t *ppos) | |
252 | { | |
253 | struct iwl_mvm *mvm = file->private_data; | |
254 | char buf[8] = {}; | |
255 | int allow; | |
256 | ||
257 | if (!mvm->ucode_loaded) | |
258 | return -EIO; | |
259 | ||
260 | if (copy_from_user(buf, user_buf, sizeof(buf))) | |
261 | return -EFAULT; | |
262 | ||
263 | if (sscanf(buf, "%d", &allow) != 1) | |
264 | return -EINVAL; | |
265 | ||
266 | IWL_DEBUG_POWER(mvm, "%s device power down\n", | |
267 | allow ? "allow" : "prevent"); | |
268 | ||
269 | /* | |
270 | * TODO: Send REPLY_DEBUG_CMD (0xf0) when FW support it | |
271 | */ | |
272 | ||
273 | return count; | |
274 | } | |
275 | ||
276 | static ssize_t iwl_dbgfs_power_down_d3_allow_write(struct file *file, | |
277 | const char __user *user_buf, | |
278 | size_t count, loff_t *ppos) | |
279 | { | |
280 | struct iwl_mvm *mvm = file->private_data; | |
281 | char buf[8] = {}; | |
282 | int allow; | |
283 | ||
284 | if (copy_from_user(buf, user_buf, sizeof(buf))) | |
285 | return -EFAULT; | |
286 | ||
287 | if (sscanf(buf, "%d", &allow) != 1) | |
288 | return -EINVAL; | |
289 | ||
290 | IWL_DEBUG_POWER(mvm, "%s device power down in d3\n", | |
291 | allow ? "allow" : "prevent"); | |
292 | ||
293 | /* | |
294 | * TODO: When WoWLAN FW alive notification happens, driver will send | |
295 | * REPLY_DEBUG_CMD setting power_down_allow flag according to | |
296 | * mvm->prevent_power_down_d3 | |
297 | */ | |
298 | mvm->prevent_power_down_d3 = !allow; | |
299 | ||
300 | return count; | |
301 | } | |
302 | ||
b571a697 AB |
303 | static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm, |
304 | struct ieee80211_vif *vif, | |
305 | enum iwl_dbgfs_pm_mask param, int val) | |
306 | { | |
307 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
308 | struct iwl_dbgfs_pm *dbgfs_pm = &mvmvif->dbgfs_pm; | |
309 | ||
310 | dbgfs_pm->mask |= param; | |
311 | ||
312 | switch (param) { | |
313 | case MVM_DEBUGFS_PM_KEEP_ALIVE: { | |
314 | struct ieee80211_hw *hw = mvm->hw; | |
315 | int dtimper = hw->conf.ps_dtim_period ?: 1; | |
316 | int dtimper_msec = dtimper * vif->bss_conf.beacon_int; | |
317 | ||
318 | IWL_DEBUG_POWER(mvm, "debugfs: set keep_alive= %d sec\n", val); | |
319 | if (val * MSEC_PER_SEC < 3 * dtimper_msec) { | |
320 | IWL_WARN(mvm, | |
321 | "debugfs: keep alive period (%ld msec) is less than minimum required (%d msec)\n", | |
322 | val * MSEC_PER_SEC, 3 * dtimper_msec); | |
323 | } | |
324 | dbgfs_pm->keep_alive_seconds = val; | |
325 | break; | |
326 | } | |
327 | case MVM_DEBUGFS_PM_SKIP_OVER_DTIM: | |
328 | IWL_DEBUG_POWER(mvm, "skip_over_dtim %s\n", | |
329 | val ? "enabled" : "disabled"); | |
330 | dbgfs_pm->skip_over_dtim = val; | |
331 | break; | |
332 | case MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS: | |
333 | IWL_DEBUG_POWER(mvm, "skip_dtim_periods=%d\n", val); | |
334 | dbgfs_pm->skip_dtim_periods = val; | |
335 | break; | |
336 | case MVM_DEBUGFS_PM_RX_DATA_TIMEOUT: | |
337 | IWL_DEBUG_POWER(mvm, "rx_data_timeout=%d\n", val); | |
338 | dbgfs_pm->rx_data_timeout = val; | |
339 | break; | |
340 | case MVM_DEBUGFS_PM_TX_DATA_TIMEOUT: | |
341 | IWL_DEBUG_POWER(mvm, "tx_data_timeout=%d\n", val); | |
342 | dbgfs_pm->tx_data_timeout = val; | |
343 | break; | |
344 | case MVM_DEBUGFS_PM_DISABLE_POWER_OFF: | |
345 | IWL_DEBUG_POWER(mvm, "disable_power_off=%d\n", val); | |
346 | dbgfs_pm->disable_power_off = val; | |
347 | break; | |
348 | } | |
349 | } | |
350 | ||
351 | static ssize_t iwl_dbgfs_pm_params_write(struct file *file, | |
352 | const char __user *user_buf, | |
353 | size_t count, loff_t *ppos) | |
354 | { | |
355 | struct ieee80211_vif *vif = file->private_data; | |
356 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
357 | struct iwl_mvm *mvm = mvmvif->dbgfs_data; | |
358 | enum iwl_dbgfs_pm_mask param; | |
359 | char buf[32] = {}; | |
360 | int val; | |
361 | int ret; | |
362 | ||
363 | if (copy_from_user(buf, user_buf, sizeof(buf))) | |
364 | return -EFAULT; | |
365 | ||
366 | if (!strncmp("keep_alive=", buf, 11)) { | |
367 | if (sscanf(buf + 11, "%d", &val) != 1) | |
368 | return -EINVAL; | |
369 | param = MVM_DEBUGFS_PM_KEEP_ALIVE; | |
370 | } else if (!strncmp("skip_over_dtim=", buf, 15)) { | |
371 | if (sscanf(buf + 15, "%d", &val) != 1) | |
372 | return -EINVAL; | |
373 | param = MVM_DEBUGFS_PM_SKIP_OVER_DTIM; | |
374 | } else if (!strncmp("skip_dtim_periods=", buf, 18)) { | |
375 | if (sscanf(buf + 18, "%d", &val) != 1) | |
376 | return -EINVAL; | |
377 | param = MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS; | |
378 | } else if (!strncmp("rx_data_timeout=", buf, 16)) { | |
379 | if (sscanf(buf + 16, "%d", &val) != 1) | |
380 | return -EINVAL; | |
381 | param = MVM_DEBUGFS_PM_RX_DATA_TIMEOUT; | |
382 | } else if (!strncmp("tx_data_timeout=", buf, 16)) { | |
383 | if (sscanf(buf + 16, "%d", &val) != 1) | |
384 | return -EINVAL; | |
385 | param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT; | |
386 | } else if (!strncmp("disable_power_off=", buf, 18)) { | |
387 | if (sscanf(buf + 18, "%d", &val) != 1) | |
388 | return -EINVAL; | |
389 | param = MVM_DEBUGFS_PM_DISABLE_POWER_OFF; | |
390 | } else { | |
391 | return -EINVAL; | |
392 | } | |
393 | ||
394 | mutex_lock(&mvm->mutex); | |
395 | iwl_dbgfs_update_pm(mvm, vif, param, val); | |
396 | ret = iwl_mvm_power_update_mode(mvm, vif); | |
397 | mutex_unlock(&mvm->mutex); | |
398 | ||
399 | return ret ?: count; | |
400 | } | |
401 | ||
402 | static ssize_t iwl_dbgfs_pm_params_read(struct file *file, | |
403 | char __user *user_buf, | |
404 | size_t count, loff_t *ppos) | |
405 | { | |
406 | struct ieee80211_vif *vif = file->private_data; | |
407 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
408 | struct iwl_mvm *mvm = mvmvif->dbgfs_data; | |
409 | struct iwl_powertable_cmd cmd = {}; | |
410 | char buf[256]; | |
411 | int bufsz = sizeof(buf); | |
412 | int pos = 0; | |
413 | ||
414 | iwl_mvm_power_build_cmd(mvm, vif, &cmd); | |
415 | ||
416 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off = %d\n", | |
417 | (cmd.flags & | |
418 | cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK)) ? | |
419 | 0 : 1); | |
420 | pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n", | |
421 | le32_to_cpu(cmd.skip_dtim_periods)); | |
422 | pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n", | |
423 | iwlmvm_mod_params.power_scheme); | |
424 | pos += scnprintf(buf+pos, bufsz-pos, "flags = %d\n", | |
425 | le16_to_cpu(cmd.flags)); | |
426 | pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n", | |
427 | cmd.keep_alive_seconds); | |
428 | ||
429 | if (cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) { | |
430 | pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n", | |
431 | (cmd.flags & | |
432 | cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? | |
433 | 1 : 0); | |
434 | pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n", | |
435 | le32_to_cpu(cmd.rx_data_timeout)); | |
436 | pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n", | |
437 | le32_to_cpu(cmd.tx_data_timeout)); | |
438 | } | |
439 | ||
440 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
441 | } | |
442 | ||
63494374 JB |
443 | static ssize_t iwl_dbgfs_mac_params_read(struct file *file, |
444 | char __user *user_buf, | |
445 | size_t count, loff_t *ppos) | |
446 | { | |
447 | struct ieee80211_vif *vif = file->private_data; | |
448 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
449 | struct iwl_mvm *mvm = mvmvif->dbgfs_data; | |
450 | u8 ap_sta_id; | |
451 | struct ieee80211_chanctx_conf *chanctx_conf; | |
452 | char buf[512]; | |
453 | int bufsz = sizeof(buf); | |
454 | int pos = 0; | |
455 | int i; | |
456 | ||
457 | mutex_lock(&mvm->mutex); | |
458 | ||
459 | ap_sta_id = mvmvif->ap_sta_id; | |
460 | ||
461 | pos += scnprintf(buf+pos, bufsz-pos, "mac id/color: %d / %d\n", | |
462 | mvmvif->id, mvmvif->color); | |
463 | pos += scnprintf(buf+pos, bufsz-pos, "bssid: %pM\n", | |
464 | vif->bss_conf.bssid); | |
465 | pos += scnprintf(buf+pos, bufsz-pos, "QoS:\n"); | |
466 | for (i = 0; i < ARRAY_SIZE(mvmvif->queue_params); i++) { | |
467 | pos += scnprintf(buf+pos, bufsz-pos, | |
468 | "\t%d: txop:%d - cw_min:%d - cw_max = %d - aifs = %d upasd = %d\n", | |
469 | i, mvmvif->queue_params[i].txop, | |
470 | mvmvif->queue_params[i].cw_min, | |
471 | mvmvif->queue_params[i].cw_max, | |
472 | mvmvif->queue_params[i].aifs, | |
473 | mvmvif->queue_params[i].uapsd); | |
474 | } | |
475 | ||
2b76ef13 EG |
476 | if (vif->type == NL80211_IFTYPE_STATION && |
477 | ap_sta_id != IWL_MVM_STATION_COUNT) { | |
478 | struct ieee80211_sta *sta; | |
479 | struct iwl_mvm_sta *mvm_sta; | |
480 | ||
481 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[ap_sta_id], | |
482 | lockdep_is_held(&mvm->mutex)); | |
483 | mvm_sta = (void *)sta->drv_priv; | |
484 | pos += scnprintf(buf+pos, bufsz-pos, | |
485 | "ap_sta_id %d - reduced Tx power %d\n", | |
486 | ap_sta_id, mvm_sta->bt_reduced_txpower); | |
487 | } | |
63494374 JB |
488 | |
489 | rcu_read_lock(); | |
490 | chanctx_conf = rcu_dereference(vif->chanctx_conf); | |
491 | if (chanctx_conf) { | |
492 | pos += scnprintf(buf+pos, bufsz-pos, | |
493 | "idle rx chains %d, active rx chains: %d\n", | |
494 | chanctx_conf->rx_chains_static, | |
495 | chanctx_conf->rx_chains_dynamic); | |
496 | } | |
497 | rcu_read_unlock(); | |
498 | ||
499 | mutex_unlock(&mvm->mutex); | |
500 | ||
501 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
502 | } | |
503 | ||
10942342 EG |
504 | #define BT_MBOX_MSG(_notif, _num, _field) \ |
505 | ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\ | |
506 | >> BT_MBOX##_num##_##_field##_POS) | |
507 | ||
508 | ||
509 | #define BT_MBOX_PRINT(_num, _field, _end) \ | |
510 | pos += scnprintf(buf + pos, bufsz - pos, \ | |
511 | "\t%s: %d%s", \ | |
512 | #_field, \ | |
513 | BT_MBOX_MSG(notif, _num, _field), \ | |
514 | true ? "\n" : ", "); | |
515 | ||
516 | static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, | |
517 | size_t count, loff_t *ppos) | |
518 | { | |
519 | struct iwl_mvm *mvm = file->private_data; | |
520 | struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif; | |
521 | char *buf; | |
522 | int ret, pos = 0, bufsz = sizeof(char) * 1024; | |
523 | ||
524 | buf = kmalloc(bufsz, GFP_KERNEL); | |
525 | if (!buf) | |
526 | return -ENOMEM; | |
527 | ||
528 | mutex_lock(&mvm->mutex); | |
529 | ||
530 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); | |
531 | ||
532 | BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); | |
533 | BT_MBOX_PRINT(0, LE_PROF1, false); | |
534 | BT_MBOX_PRINT(0, LE_PROF2, false); | |
535 | BT_MBOX_PRINT(0, LE_PROF_OTHER, false); | |
536 | BT_MBOX_PRINT(0, CHL_SEQ_N, false); | |
537 | BT_MBOX_PRINT(0, INBAND_S, false); | |
538 | BT_MBOX_PRINT(0, LE_MIN_RSSI, false); | |
539 | BT_MBOX_PRINT(0, LE_SCAN, false); | |
540 | BT_MBOX_PRINT(0, LE_ADV, false); | |
541 | BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); | |
542 | BT_MBOX_PRINT(0, OPEN_CON_1, true); | |
543 | ||
544 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); | |
545 | ||
546 | BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); | |
547 | BT_MBOX_PRINT(1, IP_SR, false); | |
548 | BT_MBOX_PRINT(1, LE_MSTR, false); | |
549 | BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); | |
550 | BT_MBOX_PRINT(1, MSG_TYPE, false); | |
551 | BT_MBOX_PRINT(1, SSN, true); | |
552 | ||
553 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); | |
554 | ||
555 | BT_MBOX_PRINT(2, SNIFF_ACT, false); | |
556 | BT_MBOX_PRINT(2, PAG, false); | |
557 | BT_MBOX_PRINT(2, INQUIRY, false); | |
558 | BT_MBOX_PRINT(2, CONN, false); | |
559 | BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); | |
560 | BT_MBOX_PRINT(2, DISC, false); | |
561 | BT_MBOX_PRINT(2, SCO_TX_ACT, false); | |
562 | BT_MBOX_PRINT(2, SCO_RX_ACT, false); | |
563 | BT_MBOX_PRINT(2, ESCO_RE_TX, false); | |
564 | BT_MBOX_PRINT(2, SCO_DURATION, true); | |
565 | ||
566 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); | |
567 | ||
568 | BT_MBOX_PRINT(3, SCO_STATE, false); | |
569 | BT_MBOX_PRINT(3, SNIFF_STATE, false); | |
570 | BT_MBOX_PRINT(3, A2DP_STATE, false); | |
571 | BT_MBOX_PRINT(3, ACL_STATE, false); | |
572 | BT_MBOX_PRINT(3, MSTR_STATE, false); | |
573 | BT_MBOX_PRINT(3, OBX_STATE, false); | |
574 | BT_MBOX_PRINT(3, OPEN_CON_2, false); | |
575 | BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); | |
576 | BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); | |
577 | BT_MBOX_PRINT(3, INBAND_P, false); | |
578 | BT_MBOX_PRINT(3, MSG_TYPE_2, false); | |
579 | BT_MBOX_PRINT(3, SSN_2, false); | |
580 | BT_MBOX_PRINT(3, UPDATE_REQUEST, true); | |
581 | ||
582 | pos += scnprintf(buf+pos, bufsz-pos, "bt_status = %d\n", | |
583 | notif->bt_status); | |
584 | pos += scnprintf(buf+pos, bufsz-pos, "bt_open_conn = %d\n", | |
585 | notif->bt_open_conn); | |
586 | pos += scnprintf(buf+pos, bufsz-pos, "bt_traffic_load = %d\n", | |
587 | notif->bt_traffic_load); | |
588 | pos += scnprintf(buf+pos, bufsz-pos, "bt_agg_traffic_load = %d\n", | |
589 | notif->bt_agg_traffic_load); | |
590 | pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", | |
591 | notif->bt_ci_compliance); | |
592 | ||
593 | mutex_unlock(&mvm->mutex); | |
594 | ||
595 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
596 | kfree(buf); | |
597 | ||
598 | return ret; | |
599 | } | |
600 | #undef BT_MBOX_PRINT | |
601 | ||
490953ac EG |
602 | static ssize_t iwl_dbgfs_fw_restart_write(struct file *file, |
603 | const char __user *user_buf, | |
604 | size_t count, loff_t *ppos) | |
605 | { | |
606 | struct iwl_mvm *mvm = file->private_data; | |
607 | bool restart_fw = iwlwifi_mod_params.restart_fw; | |
608 | int ret; | |
609 | ||
610 | iwlwifi_mod_params.restart_fw = true; | |
611 | ||
612 | mutex_lock(&mvm->mutex); | |
613 | ||
614 | /* take the return value to make compiler happy - it will fail anyway */ | |
615 | ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, CMD_SYNC, 0, NULL); | |
616 | ||
617 | mutex_unlock(&mvm->mutex); | |
618 | ||
619 | iwlwifi_mod_params.restart_fw = restart_fw; | |
620 | ||
621 | return count; | |
622 | } | |
623 | ||
b571a697 AB |
624 | static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif, |
625 | enum iwl_dbgfs_bf_mask param, int value) | |
626 | { | |
627 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
628 | struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf; | |
629 | ||
630 | dbgfs_bf->mask |= param; | |
631 | ||
632 | switch (param) { | |
633 | case MVM_DEBUGFS_BF_ENERGY_DELTA: | |
634 | dbgfs_bf->bf_energy_delta = value; | |
635 | break; | |
636 | case MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA: | |
637 | dbgfs_bf->bf_roaming_energy_delta = value; | |
638 | break; | |
639 | case MVM_DEBUGFS_BF_ROAMING_STATE: | |
640 | dbgfs_bf->bf_roaming_state = value; | |
641 | break; | |
642 | case MVM_DEBUGFS_BF_TEMPERATURE_DELTA: | |
643 | dbgfs_bf->bf_temperature_delta = value; | |
644 | break; | |
645 | case MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER: | |
646 | dbgfs_bf->bf_enable_beacon_filter = value; | |
647 | break; | |
648 | case MVM_DEBUGFS_BF_DEBUG_FLAG: | |
649 | dbgfs_bf->bf_debug_flag = value; | |
650 | break; | |
651 | case MVM_DEBUGFS_BF_ESCAPE_TIMER: | |
652 | dbgfs_bf->bf_escape_timer = value; | |
653 | break; | |
654 | case MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT: | |
655 | dbgfs_bf->ba_enable_beacon_abort = value; | |
656 | break; | |
657 | case MVM_DEBUGFS_BA_ESCAPE_TIMER: | |
658 | dbgfs_bf->ba_escape_timer = value; | |
659 | break; | |
660 | } | |
661 | } | |
662 | ||
663 | static ssize_t iwl_dbgfs_bf_params_write(struct file *file, | |
664 | const char __user *user_buf, | |
665 | size_t count, loff_t *ppos) | |
666 | { | |
667 | struct ieee80211_vif *vif = file->private_data; | |
668 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
669 | struct iwl_mvm *mvm = mvmvif->dbgfs_data; | |
670 | enum iwl_dbgfs_bf_mask param; | |
671 | char buf[256]; | |
672 | int buf_size; | |
673 | int value; | |
674 | int ret = 0; | |
675 | ||
676 | memset(buf, 0, sizeof(buf)); | |
677 | buf_size = min(count, sizeof(buf) - 1); | |
678 | if (copy_from_user(buf, user_buf, buf_size)) | |
679 | return -EFAULT; | |
680 | ||
681 | if (!strncmp("bf_energy_delta=", buf, 16)) { | |
682 | if (sscanf(buf+16, "%d", &value) != 1) | |
683 | return -EINVAL; | |
684 | if (value < IWL_BF_ENERGY_DELTA_MIN || | |
685 | value > IWL_BF_ENERGY_DELTA_MAX) | |
686 | return -EINVAL; | |
687 | param = MVM_DEBUGFS_BF_ENERGY_DELTA; | |
688 | } else if (!strncmp("bf_roaming_energy_delta=", buf, 24)) { | |
689 | if (sscanf(buf+24, "%d", &value) != 1) | |
690 | return -EINVAL; | |
691 | if (value < IWL_BF_ROAMING_ENERGY_DELTA_MIN || | |
692 | value > IWL_BF_ROAMING_ENERGY_DELTA_MAX) | |
693 | return -EINVAL; | |
694 | param = MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA; | |
695 | } else if (!strncmp("bf_roaming_state=", buf, 17)) { | |
696 | if (sscanf(buf+17, "%d", &value) != 1) | |
697 | return -EINVAL; | |
698 | if (value < IWL_BF_ROAMING_STATE_MIN || | |
699 | value > IWL_BF_ROAMING_STATE_MAX) | |
700 | return -EINVAL; | |
701 | param = MVM_DEBUGFS_BF_ROAMING_STATE; | |
702 | } else if (!strncmp("bf_temperature_delta=", buf, 21)) { | |
703 | if (sscanf(buf+21, "%d", &value) != 1) | |
704 | return -EINVAL; | |
705 | if (value < IWL_BF_TEMPERATURE_DELTA_MIN || | |
706 | value > IWL_BF_TEMPERATURE_DELTA_MAX) | |
707 | return -EINVAL; | |
708 | param = MVM_DEBUGFS_BF_TEMPERATURE_DELTA; | |
709 | } else if (!strncmp("bf_enable_beacon_filter=", buf, 24)) { | |
710 | if (sscanf(buf+24, "%d", &value) != 1) | |
711 | return -EINVAL; | |
712 | if (value < 0 || value > 1) | |
713 | return -EINVAL; | |
714 | param = MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER; | |
715 | } else if (!strncmp("bf_debug_flag=", buf, 14)) { | |
716 | if (sscanf(buf+14, "%d", &value) != 1) | |
717 | return -EINVAL; | |
718 | if (value < 0 || value > 1) | |
719 | return -EINVAL; | |
720 | param = MVM_DEBUGFS_BF_DEBUG_FLAG; | |
721 | } else if (!strncmp("bf_escape_timer=", buf, 16)) { | |
722 | if (sscanf(buf+16, "%d", &value) != 1) | |
723 | return -EINVAL; | |
724 | if (value < IWL_BF_ESCAPE_TIMER_MIN || | |
725 | value > IWL_BF_ESCAPE_TIMER_MAX) | |
726 | return -EINVAL; | |
727 | param = MVM_DEBUGFS_BF_ESCAPE_TIMER; | |
728 | } else if (!strncmp("ba_escape_timer=", buf, 16)) { | |
729 | if (sscanf(buf+16, "%d", &value) != 1) | |
730 | return -EINVAL; | |
731 | if (value < IWL_BA_ESCAPE_TIMER_MIN || | |
732 | value > IWL_BA_ESCAPE_TIMER_MAX) | |
733 | return -EINVAL; | |
734 | param = MVM_DEBUGFS_BA_ESCAPE_TIMER; | |
735 | } else if (!strncmp("ba_enable_beacon_abort=", buf, 23)) { | |
736 | if (sscanf(buf+23, "%d", &value) != 1) | |
737 | return -EINVAL; | |
738 | if (value < 0 || value > 1) | |
739 | return -EINVAL; | |
740 | param = MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT; | |
741 | } else { | |
742 | return -EINVAL; | |
743 | } | |
744 | ||
745 | mutex_lock(&mvm->mutex); | |
746 | iwl_dbgfs_update_bf(vif, param, value); | |
747 | if (param == MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER && !value) { | |
748 | ret = iwl_mvm_disable_beacon_filter(mvm, vif); | |
749 | } else { | |
750 | if (mvmvif->bf_enabled) | |
751 | ret = iwl_mvm_enable_beacon_filter(mvm, vif); | |
752 | else | |
753 | ret = iwl_mvm_disable_beacon_filter(mvm, vif); | |
754 | } | |
755 | mutex_unlock(&mvm->mutex); | |
756 | ||
757 | return ret ?: count; | |
758 | } | |
759 | ||
760 | static ssize_t iwl_dbgfs_bf_params_read(struct file *file, | |
761 | char __user *user_buf, | |
762 | size_t count, loff_t *ppos) | |
763 | { | |
764 | struct ieee80211_vif *vif = file->private_data; | |
765 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
766 | char buf[256]; | |
767 | int pos = 0; | |
768 | const size_t bufsz = sizeof(buf); | |
769 | struct iwl_beacon_filter_cmd cmd = { | |
770 | .bf_energy_delta = IWL_BF_ENERGY_DELTA_DEFAULT, | |
771 | .bf_roaming_energy_delta = IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT, | |
772 | .bf_roaming_state = IWL_BF_ROAMING_STATE_DEFAULT, | |
773 | .bf_temperature_delta = IWL_BF_TEMPERATURE_DELTA_DEFAULT, | |
774 | .bf_enable_beacon_filter = IWL_BF_ENABLE_BEACON_FILTER_DEFAULT, | |
775 | .bf_debug_flag = IWL_BF_DEBUG_FLAG_DEFAULT, | |
776 | .bf_escape_timer = cpu_to_le32(IWL_BF_ESCAPE_TIMER_DEFAULT), | |
777 | .ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_DEFAULT), | |
778 | .ba_enable_beacon_abort = IWL_BA_ENABLE_BEACON_ABORT_DEFAULT, | |
779 | }; | |
780 | ||
781 | iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); | |
782 | if (mvmvif->bf_enabled) | |
783 | cmd.bf_enable_beacon_filter = 1; | |
784 | else | |
785 | cmd.bf_enable_beacon_filter = 0; | |
786 | ||
787 | pos += scnprintf(buf+pos, bufsz-pos, "bf_energy_delta = %d\n", | |
788 | cmd.bf_energy_delta); | |
789 | pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_energy_delta = %d\n", | |
790 | cmd.bf_roaming_energy_delta); | |
791 | pos += scnprintf(buf+pos, bufsz-pos, "bf_roaming_state = %d\n", | |
792 | cmd.bf_roaming_state); | |
793 | pos += scnprintf(buf+pos, bufsz-pos, "bf_temperature_delta = %d\n", | |
794 | cmd.bf_temperature_delta); | |
795 | pos += scnprintf(buf+pos, bufsz-pos, "bf_enable_beacon_filter = %d\n", | |
796 | cmd.bf_enable_beacon_filter); | |
797 | pos += scnprintf(buf+pos, bufsz-pos, "bf_debug_flag = %d\n", | |
798 | cmd.bf_debug_flag); | |
799 | pos += scnprintf(buf+pos, bufsz-pos, "bf_escape_timer = %d\n", | |
800 | cmd.bf_escape_timer); | |
801 | pos += scnprintf(buf+pos, bufsz-pos, "ba_escape_timer = %d\n", | |
802 | cmd.ba_escape_timer); | |
803 | pos += scnprintf(buf+pos, bufsz-pos, "ba_enable_beacon_abort = %d\n", | |
804 | cmd.ba_enable_beacon_abort); | |
805 | ||
806 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
807 | } | |
808 | ||
afc66bb7 JB |
809 | #ifdef CONFIG_PM_SLEEP |
810 | static ssize_t iwl_dbgfs_d3_sram_write(struct file *file, | |
811 | const char __user *user_buf, | |
812 | size_t count, loff_t *ppos) | |
813 | { | |
814 | struct iwl_mvm *mvm = file->private_data; | |
815 | char buf[8] = {}; | |
816 | int store; | |
817 | ||
818 | if (copy_from_user(buf, user_buf, sizeof(buf))) | |
819 | return -EFAULT; | |
820 | ||
821 | if (sscanf(buf, "%d", &store) != 1) | |
822 | return -EINVAL; | |
823 | ||
824 | mvm->store_d3_resume_sram = store; | |
825 | ||
826 | return count; | |
827 | } | |
828 | ||
829 | static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, | |
830 | size_t count, loff_t *ppos) | |
831 | { | |
832 | struct iwl_mvm *mvm = file->private_data; | |
833 | const struct fw_img *img; | |
834 | int ofs, len, pos = 0; | |
835 | size_t bufsz, ret; | |
836 | char *buf; | |
837 | u8 *ptr = mvm->d3_resume_sram; | |
838 | ||
839 | img = &mvm->fw->img[IWL_UCODE_WOWLAN]; | |
840 | len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
841 | ||
842 | bufsz = len * 4 + 256; | |
843 | buf = kzalloc(bufsz, GFP_KERNEL); | |
844 | if (!buf) | |
845 | return -ENOMEM; | |
846 | ||
847 | pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n", | |
848 | mvm->store_d3_resume_sram ? "en" : "dis"); | |
849 | ||
850 | if (ptr) { | |
851 | for (ofs = 0; ofs < len; ofs += 16) { | |
852 | pos += scnprintf(buf + pos, bufsz - pos, | |
853 | "0x%.4x ", ofs); | |
854 | hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos, | |
855 | bufsz - pos, false); | |
856 | pos += strlen(buf + pos); | |
857 | if (bufsz - pos > 0) | |
858 | buf[pos++] = '\n'; | |
859 | } | |
860 | } else { | |
861 | pos += scnprintf(buf + pos, bufsz - pos, | |
862 | "(no data captured)\n"); | |
863 | } | |
864 | ||
865 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
866 | ||
867 | kfree(buf); | |
868 | ||
869 | return ret; | |
870 | } | |
871 | #endif | |
872 | ||
8ca151b5 JB |
873 | #define MVM_DEBUGFS_READ_FILE_OPS(name) \ |
874 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
875 | .read = iwl_dbgfs_##name##_read, \ | |
ba5295f8 | 876 | .open = simple_open, \ |
8ca151b5 JB |
877 | .llseek = generic_file_llseek, \ |
878 | } | |
879 | ||
880 | #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name) \ | |
881 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
882 | .write = iwl_dbgfs_##name##_write, \ | |
883 | .read = iwl_dbgfs_##name##_read, \ | |
ba5295f8 | 884 | .open = simple_open, \ |
8ca151b5 JB |
885 | .llseek = generic_file_llseek, \ |
886 | }; | |
887 | ||
888 | #define MVM_DEBUGFS_WRITE_FILE_OPS(name) \ | |
889 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
890 | .write = iwl_dbgfs_##name##_write, \ | |
ba5295f8 | 891 | .open = simple_open, \ |
8ca151b5 JB |
892 | .llseek = generic_file_llseek, \ |
893 | }; | |
894 | ||
895 | #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) do { \ | |
896 | if (!debugfs_create_file(#name, mode, parent, mvm, \ | |
897 | &iwl_dbgfs_##name##_ops)) \ | |
898 | goto err; \ | |
899 | } while (0) | |
900 | ||
901 | #define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do { \ | |
902 | if (!debugfs_create_file(#name, mode, parent, vif, \ | |
903 | &iwl_dbgfs_##name##_ops)) \ | |
904 | goto err; \ | |
905 | } while (0) | |
906 | ||
907 | /* Device wide debugfs entries */ | |
908 | MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush); | |
909 | MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain); | |
910 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram); | |
911 | MVM_DEBUGFS_READ_FILE_OPS(stations); | |
10942342 | 912 | MVM_DEBUGFS_READ_FILE_OPS(bt_notif); |
8ca151b5 JB |
913 | MVM_DEBUGFS_WRITE_FILE_OPS(power_down_allow); |
914 | MVM_DEBUGFS_WRITE_FILE_OPS(power_down_d3_allow); | |
490953ac | 915 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart); |
afc66bb7 JB |
916 | #ifdef CONFIG_PM_SLEEP |
917 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram); | |
918 | #endif | |
8ca151b5 | 919 | |
63494374 JB |
920 | /* Interface specific debugfs entries */ |
921 | MVM_DEBUGFS_READ_FILE_OPS(mac_params); | |
b571a697 AB |
922 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params); |
923 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params); | |
63494374 | 924 | |
8ca151b5 JB |
925 | int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) |
926 | { | |
927 | char buf[100]; | |
928 | ||
929 | mvm->debugfs_dir = dbgfs_dir; | |
930 | ||
931 | MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR); | |
932 | MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR); | |
933 | MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR); | |
934 | MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR); | |
10942342 | 935 | MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR); |
8ca151b5 JB |
936 | MVM_DEBUGFS_ADD_FILE(power_down_allow, mvm->debugfs_dir, S_IWUSR); |
937 | MVM_DEBUGFS_ADD_FILE(power_down_d3_allow, mvm->debugfs_dir, S_IWUSR); | |
490953ac | 938 | MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR); |
afc66bb7 JB |
939 | #ifdef CONFIG_PM_SLEEP |
940 | MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR); | |
debff618 | 941 | MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR); |
afc66bb7 | 942 | #endif |
8ca151b5 JB |
943 | |
944 | /* | |
945 | * Create a symlink with mac80211. It will be removed when mac80211 | |
946 | * exists (before the opmode exists which removes the target.) | |
947 | */ | |
948 | snprintf(buf, 100, "../../%s/%s", | |
949 | dbgfs_dir->d_parent->d_parent->d_name.name, | |
950 | dbgfs_dir->d_parent->d_name.name); | |
951 | if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf)) | |
952 | goto err; | |
953 | ||
954 | return 0; | |
955 | err: | |
956 | IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); | |
957 | return -ENOMEM; | |
958 | } | |
63494374 JB |
959 | |
960 | void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) | |
961 | { | |
962 | struct dentry *dbgfs_dir = vif->debugfs_dir; | |
963 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
964 | char buf[100]; | |
965 | ||
966 | if (!dbgfs_dir) | |
967 | return; | |
968 | ||
969 | mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir); | |
970 | mvmvif->dbgfs_data = mvm; | |
971 | ||
972 | if (!mvmvif->dbgfs_dir) { | |
973 | IWL_ERR(mvm, "Failed to create debugfs directory under %s\n", | |
974 | dbgfs_dir->d_name.name); | |
975 | return; | |
976 | } | |
977 | ||
b571a697 AB |
978 | if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM && |
979 | vif->type == NL80211_IFTYPE_STATION && !vif->p2p) | |
980 | MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR | | |
981 | S_IRUSR); | |
982 | ||
63494374 JB |
983 | MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, |
984 | S_IRUSR); | |
985 | ||
b571a697 AB |
986 | if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p && |
987 | mvmvif == mvm->bf_allowed_vif) | |
988 | MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir, | |
989 | S_IRUSR | S_IWUSR); | |
990 | ||
63494374 JB |
991 | /* |
992 | * Create symlink for convenience pointing to interface specific | |
993 | * debugfs entries for the driver. For example, under | |
994 | * /sys/kernel/debug/iwlwifi/0000\:02\:00.0/iwlmvm/ | |
995 | * find | |
996 | * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/ | |
997 | */ | |
998 | snprintf(buf, 100, "../../../%s/%s/%s/%s", | |
999 | dbgfs_dir->d_parent->d_parent->d_name.name, | |
1000 | dbgfs_dir->d_parent->d_name.name, | |
1001 | dbgfs_dir->d_name.name, | |
1002 | mvmvif->dbgfs_dir->d_name.name); | |
1003 | ||
1004 | mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name, | |
1005 | mvm->debugfs_dir, buf); | |
1006 | if (!mvmvif->dbgfs_slink) | |
1007 | IWL_ERR(mvm, "Can't create debugfs symbolic link under %s\n", | |
1008 | dbgfs_dir->d_name.name); | |
1009 | return; | |
1010 | err: | |
1011 | IWL_ERR(mvm, "Can't create debugfs entity\n"); | |
1012 | } | |
1013 | ||
1014 | void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif) | |
1015 | { | |
1016 | struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); | |
1017 | ||
1018 | debugfs_remove(mvmvif->dbgfs_slink); | |
1019 | mvmvif->dbgfs_slink = NULL; | |
1020 | ||
1021 | debugfs_remove_recursive(mvmvif->dbgfs_dir); | |
1022 | mvmvif->dbgfs_dir = NULL; | |
1023 | } |