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1 | // SPDX-License-Identifier: GPL-2.0-only | |
2 | /****************************************************************************** | |
3 | * | |
4 | * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. | |
5 | * Copyright (C) 2018 Intel Corporation | |
6 | * | |
7 | * Contact Information: | |
8 | * Intel Linux Wireless <linuxwifi@intel.com> | |
9 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
10 | *****************************************************************************/ | |
11 | ||
12 | #include <linux/slab.h> | |
13 | #include <linux/kernel.h> | |
14 | #include <linux/module.h> | |
15 | #include <linux/debugfs.h> | |
16 | #include <linux/ieee80211.h> | |
17 | #include <net/mac80211.h> | |
18 | ||
19 | #include "iwl-debug.h" | |
20 | #include "iwl-trans.h" | |
21 | #include "iwl-io.h" | |
22 | #include "dev.h" | |
23 | #include "agn.h" | |
24 | ||
25 | /* create and remove of files */ | |
26 | #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ | |
27 | debugfs_create_file(#name, mode, parent, priv, \ | |
28 | &iwl_dbgfs_##name##_ops); \ | |
29 | } while (0) | |
30 | ||
31 | /* file operation */ | |
32 | #define DEBUGFS_READ_FILE_OPS(name) \ | |
33 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
34 | .read = iwl_dbgfs_##name##_read, \ | |
35 | .open = simple_open, \ | |
36 | .llseek = generic_file_llseek, \ | |
37 | }; | |
38 | ||
39 | #define DEBUGFS_WRITE_FILE_OPS(name) \ | |
40 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
41 | .write = iwl_dbgfs_##name##_write, \ | |
42 | .open = simple_open, \ | |
43 | .llseek = generic_file_llseek, \ | |
44 | }; | |
45 | ||
46 | ||
47 | #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ | |
48 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
49 | .write = iwl_dbgfs_##name##_write, \ | |
50 | .read = iwl_dbgfs_##name##_read, \ | |
51 | .open = simple_open, \ | |
52 | .llseek = generic_file_llseek, \ | |
53 | }; | |
54 | ||
55 | static ssize_t iwl_dbgfs_sram_read(struct file *file, | |
56 | char __user *user_buf, | |
57 | size_t count, loff_t *ppos) | |
58 | { | |
59 | u32 val = 0; | |
60 | char *buf; | |
61 | ssize_t ret; | |
62 | int i = 0; | |
63 | bool device_format = false; | |
64 | int offset = 0; | |
65 | int len = 0; | |
66 | int pos = 0; | |
67 | int sram; | |
68 | struct iwl_priv *priv = file->private_data; | |
69 | const struct fw_img *img; | |
70 | size_t bufsz; | |
71 | ||
72 | if (!iwl_is_ready_rf(priv)) | |
73 | return -EAGAIN; | |
74 | ||
75 | /* default is to dump the entire data segment */ | |
76 | if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { | |
77 | priv->dbgfs_sram_offset = 0x800000; | |
78 | if (!priv->ucode_loaded) | |
79 | return -EINVAL; | |
80 | img = &priv->fw->img[priv->cur_ucode]; | |
81 | priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
82 | } | |
83 | len = priv->dbgfs_sram_len; | |
84 | ||
85 | if (len == -4) { | |
86 | device_format = true; | |
87 | len = 4; | |
88 | } | |
89 | ||
90 | bufsz = 50 + len * 4; | |
91 | buf = kmalloc(bufsz, GFP_KERNEL); | |
92 | if (!buf) | |
93 | return -ENOMEM; | |
94 | ||
95 | pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", | |
96 | len); | |
97 | pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", | |
98 | priv->dbgfs_sram_offset); | |
99 | ||
100 | /* adjust sram address since reads are only on even u32 boundaries */ | |
101 | offset = priv->dbgfs_sram_offset & 0x3; | |
102 | sram = priv->dbgfs_sram_offset & ~0x3; | |
103 | ||
104 | /* read the first u32 from sram */ | |
105 | val = iwl_trans_read_mem32(priv->trans, sram); | |
106 | ||
107 | for (; len; len--) { | |
108 | /* put the address at the start of every line */ | |
109 | if (i == 0) | |
110 | pos += scnprintf(buf + pos, bufsz - pos, | |
111 | "%08X: ", sram + offset); | |
112 | ||
113 | if (device_format) | |
114 | pos += scnprintf(buf + pos, bufsz - pos, | |
115 | "%02x", (val >> (8 * (3 - offset))) & 0xff); | |
116 | else | |
117 | pos += scnprintf(buf + pos, bufsz - pos, | |
118 | "%02x ", (val >> (8 * offset)) & 0xff); | |
119 | ||
120 | /* if all bytes processed, read the next u32 from sram */ | |
121 | if (++offset == 4) { | |
122 | sram += 4; | |
123 | offset = 0; | |
124 | val = iwl_trans_read_mem32(priv->trans, sram); | |
125 | } | |
126 | ||
127 | /* put in extra spaces and split lines for human readability */ | |
128 | if (++i == 16) { | |
129 | i = 0; | |
130 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
131 | } else if (!(i & 7)) { | |
132 | pos += scnprintf(buf + pos, bufsz - pos, " "); | |
133 | } else if (!(i & 3)) { | |
134 | pos += scnprintf(buf + pos, bufsz - pos, " "); | |
135 | } | |
136 | } | |
137 | if (i) | |
138 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
139 | ||
140 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
141 | kfree(buf); | |
142 | return ret; | |
143 | } | |
144 | ||
145 | static ssize_t iwl_dbgfs_sram_write(struct file *file, | |
146 | const char __user *user_buf, | |
147 | size_t count, loff_t *ppos) | |
148 | { | |
149 | struct iwl_priv *priv = file->private_data; | |
150 | char buf[64]; | |
151 | int buf_size; | |
152 | u32 offset, len; | |
153 | ||
154 | memset(buf, 0, sizeof(buf)); | |
155 | buf_size = min(count, sizeof(buf) - 1); | |
156 | if (copy_from_user(buf, user_buf, buf_size)) | |
157 | return -EFAULT; | |
158 | ||
159 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { | |
160 | priv->dbgfs_sram_offset = offset; | |
161 | priv->dbgfs_sram_len = len; | |
162 | } else if (sscanf(buf, "%x", &offset) == 1) { | |
163 | priv->dbgfs_sram_offset = offset; | |
164 | priv->dbgfs_sram_len = -4; | |
165 | } else { | |
166 | priv->dbgfs_sram_offset = 0; | |
167 | priv->dbgfs_sram_len = 0; | |
168 | } | |
169 | ||
170 | return count; | |
171 | } | |
172 | ||
173 | static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, | |
174 | char __user *user_buf, | |
175 | size_t count, loff_t *ppos) | |
176 | { | |
177 | struct iwl_priv *priv = file->private_data; | |
178 | const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN]; | |
179 | ||
180 | if (!priv->wowlan_sram) | |
181 | return -ENODATA; | |
182 | ||
183 | return simple_read_from_buffer(user_buf, count, ppos, | |
184 | priv->wowlan_sram, | |
185 | img->sec[IWL_UCODE_SECTION_DATA].len); | |
186 | } | |
187 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, | |
188 | size_t count, loff_t *ppos) | |
189 | { | |
190 | struct iwl_priv *priv = file->private_data; | |
191 | struct iwl_station_entry *station; | |
192 | struct iwl_tid_data *tid_data; | |
193 | char *buf; | |
194 | int i, j, pos = 0; | |
195 | ssize_t ret; | |
196 | /* Add 30 for initial string */ | |
197 | const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); | |
198 | ||
199 | buf = kmalloc(bufsz, GFP_KERNEL); | |
200 | if (!buf) | |
201 | return -ENOMEM; | |
202 | ||
203 | pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", | |
204 | priv->num_stations); | |
205 | ||
206 | for (i = 0; i < IWLAGN_STATION_COUNT; i++) { | |
207 | station = &priv->stations[i]; | |
208 | if (!station->used) | |
209 | continue; | |
210 | pos += scnprintf(buf + pos, bufsz - pos, | |
211 | "station %d - addr: %pM, flags: %#x\n", | |
212 | i, station->sta.sta.addr, | |
213 | station->sta.station_flags_msk); | |
214 | pos += scnprintf(buf + pos, bufsz - pos, | |
215 | "TID seqno next_rclmd " | |
216 | "rate_n_flags state txq\n"); | |
217 | ||
218 | for (j = 0; j < IWL_MAX_TID_COUNT; j++) { | |
219 | tid_data = &priv->tid_data[i][j]; | |
220 | pos += scnprintf(buf + pos, bufsz - pos, | |
221 | "%d: 0x%.4x 0x%.4x 0x%.8x " | |
222 | "%d %.2d", | |
223 | j, tid_data->seq_number, | |
224 | tid_data->next_reclaimed, | |
225 | tid_data->agg.rate_n_flags, | |
226 | tid_data->agg.state, | |
227 | tid_data->agg.txq_id); | |
228 | ||
229 | if (tid_data->agg.wait_for_ba) | |
230 | pos += scnprintf(buf + pos, bufsz - pos, | |
231 | " - waitforba"); | |
232 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
233 | } | |
234 | ||
235 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
236 | } | |
237 | ||
238 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
239 | kfree(buf); | |
240 | return ret; | |
241 | } | |
242 | ||
243 | static ssize_t iwl_dbgfs_nvm_read(struct file *file, | |
244 | char __user *user_buf, | |
245 | size_t count, | |
246 | loff_t *ppos) | |
247 | { | |
248 | ssize_t ret; | |
249 | struct iwl_priv *priv = file->private_data; | |
250 | int pos = 0, ofs = 0, buf_size = 0; | |
251 | const u8 *ptr; | |
252 | char *buf; | |
253 | u16 nvm_ver; | |
254 | size_t eeprom_len = priv->eeprom_blob_size; | |
255 | buf_size = 4 * eeprom_len + 256; | |
256 | ||
257 | if (eeprom_len % 16) | |
258 | return -ENODATA; | |
259 | ||
260 | ptr = priv->eeprom_blob; | |
261 | if (!ptr) | |
262 | return -ENOMEM; | |
263 | ||
264 | /* 4 characters for byte 0xYY */ | |
265 | buf = kzalloc(buf_size, GFP_KERNEL); | |
266 | if (!buf) | |
267 | return -ENOMEM; | |
268 | ||
269 | nvm_ver = priv->nvm_data->nvm_version; | |
270 | pos += scnprintf(buf + pos, buf_size - pos, | |
271 | "NVM version: 0x%x\n", nvm_ver); | |
272 | for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { | |
273 | pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x %16ph\n", | |
274 | ofs, ptr + ofs); | |
275 | } | |
276 | ||
277 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
278 | kfree(buf); | |
279 | return ret; | |
280 | } | |
281 | ||
282 | static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, | |
283 | size_t count, loff_t *ppos) | |
284 | { | |
285 | struct iwl_priv *priv = file->private_data; | |
286 | struct ieee80211_channel *channels = NULL; | |
287 | const struct ieee80211_supported_band *supp_band = NULL; | |
288 | int pos = 0, i, bufsz = PAGE_SIZE; | |
289 | char *buf; | |
290 | ssize_t ret; | |
291 | ||
292 | buf = kzalloc(bufsz, GFP_KERNEL); | |
293 | if (!buf) | |
294 | return -ENOMEM; | |
295 | ||
296 | supp_band = iwl_get_hw_mode(priv, NL80211_BAND_2GHZ); | |
297 | if (supp_band) { | |
298 | channels = supp_band->channels; | |
299 | ||
300 | pos += scnprintf(buf + pos, bufsz - pos, | |
301 | "Displaying %d channels in 2.4GHz band 802.11bg):\n", | |
302 | supp_band->n_channels); | |
303 | ||
304 | for (i = 0; i < supp_band->n_channels; i++) | |
305 | pos += scnprintf(buf + pos, bufsz - pos, | |
306 | "%d: %ddBm: BSS%s%s, %s.\n", | |
307 | channels[i].hw_value, | |
308 | channels[i].max_power, | |
309 | channels[i].flags & IEEE80211_CHAN_RADAR ? | |
310 | " (IEEE 802.11h required)" : "", | |
311 | ((channels[i].flags & IEEE80211_CHAN_NO_IR) | |
312 | || (channels[i].flags & | |
313 | IEEE80211_CHAN_RADAR)) ? "" : | |
314 | ", IBSS", | |
315 | channels[i].flags & | |
316 | IEEE80211_CHAN_NO_IR ? | |
317 | "passive only" : "active/passive"); | |
318 | } | |
319 | supp_band = iwl_get_hw_mode(priv, NL80211_BAND_5GHZ); | |
320 | if (supp_band) { | |
321 | channels = supp_band->channels; | |
322 | ||
323 | pos += scnprintf(buf + pos, bufsz - pos, | |
324 | "Displaying %d channels in 5.2GHz band (802.11a)\n", | |
325 | supp_band->n_channels); | |
326 | ||
327 | for (i = 0; i < supp_band->n_channels; i++) | |
328 | pos += scnprintf(buf + pos, bufsz - pos, | |
329 | "%d: %ddBm: BSS%s%s, %s.\n", | |
330 | channels[i].hw_value, | |
331 | channels[i].max_power, | |
332 | channels[i].flags & IEEE80211_CHAN_RADAR ? | |
333 | " (IEEE 802.11h required)" : "", | |
334 | ((channels[i].flags & IEEE80211_CHAN_NO_IR) | |
335 | || (channels[i].flags & | |
336 | IEEE80211_CHAN_RADAR)) ? "" : | |
337 | ", IBSS", | |
338 | channels[i].flags & | |
339 | IEEE80211_CHAN_NO_IR ? | |
340 | "passive only" : "active/passive"); | |
341 | } | |
342 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
343 | kfree(buf); | |
344 | return ret; | |
345 | } | |
346 | ||
347 | static ssize_t iwl_dbgfs_status_read(struct file *file, | |
348 | char __user *user_buf, | |
349 | size_t count, loff_t *ppos) { | |
350 | ||
351 | struct iwl_priv *priv = file->private_data; | |
352 | char buf[512]; | |
353 | int pos = 0; | |
354 | const size_t bufsz = sizeof(buf); | |
355 | ||
356 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", | |
357 | test_bit(STATUS_RF_KILL_HW, &priv->status)); | |
358 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", | |
359 | test_bit(STATUS_CT_KILL, &priv->status)); | |
360 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", | |
361 | test_bit(STATUS_ALIVE, &priv->status)); | |
362 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", | |
363 | test_bit(STATUS_READY, &priv->status)); | |
364 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", | |
365 | test_bit(STATUS_EXIT_PENDING, &priv->status)); | |
366 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", | |
367 | test_bit(STATUS_STATISTICS, &priv->status)); | |
368 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", | |
369 | test_bit(STATUS_SCANNING, &priv->status)); | |
370 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", | |
371 | test_bit(STATUS_SCAN_ABORTING, &priv->status)); | |
372 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", | |
373 | test_bit(STATUS_SCAN_HW, &priv->status)); | |
374 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", | |
375 | test_bit(STATUS_POWER_PMI, &priv->status)); | |
376 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", | |
377 | test_bit(STATUS_FW_ERROR, &priv->status)); | |
378 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
379 | } | |
380 | ||
381 | static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file, | |
382 | char __user *user_buf, | |
383 | size_t count, loff_t *ppos) { | |
384 | ||
385 | struct iwl_priv *priv = file->private_data; | |
386 | ||
387 | int pos = 0; | |
388 | int cnt = 0; | |
389 | char *buf; | |
390 | int bufsz = 24 * 64; /* 24 items * 64 char per item */ | |
391 | ssize_t ret; | |
392 | ||
393 | buf = kzalloc(bufsz, GFP_KERNEL); | |
394 | if (!buf) | |
395 | return -ENOMEM; | |
396 | ||
397 | for (cnt = 0; cnt < REPLY_MAX; cnt++) { | |
398 | if (priv->rx_handlers_stats[cnt] > 0) | |
399 | pos += scnprintf(buf + pos, bufsz - pos, | |
400 | "\tRx handler[%36s]:\t\t %u\n", | |
401 | iwl_get_cmd_string(priv->trans, (u32)cnt), | |
402 | priv->rx_handlers_stats[cnt]); | |
403 | } | |
404 | ||
405 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
406 | kfree(buf); | |
407 | return ret; | |
408 | } | |
409 | ||
410 | static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, | |
411 | const char __user *user_buf, | |
412 | size_t count, loff_t *ppos) | |
413 | { | |
414 | struct iwl_priv *priv = file->private_data; | |
415 | ||
416 | char buf[8]; | |
417 | int buf_size; | |
418 | u32 reset_flag; | |
419 | ||
420 | memset(buf, 0, sizeof(buf)); | |
421 | buf_size = min(count, sizeof(buf) - 1); | |
422 | if (copy_from_user(buf, user_buf, buf_size)) | |
423 | return -EFAULT; | |
424 | if (sscanf(buf, "%x", &reset_flag) != 1) | |
425 | return -EFAULT; | |
426 | if (reset_flag == 0) | |
427 | memset(&priv->rx_handlers_stats[0], 0, | |
428 | sizeof(priv->rx_handlers_stats)); | |
429 | ||
430 | return count; | |
431 | } | |
432 | ||
433 | static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, | |
434 | size_t count, loff_t *ppos) | |
435 | { | |
436 | struct iwl_priv *priv = file->private_data; | |
437 | struct iwl_rxon_context *ctx; | |
438 | int pos = 0, i; | |
439 | char buf[256 * NUM_IWL_RXON_CTX]; | |
440 | const size_t bufsz = sizeof(buf); | |
441 | ||
442 | for_each_context(priv, ctx) { | |
443 | pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", | |
444 | ctx->ctxid); | |
445 | for (i = 0; i < AC_NUM; i++) { | |
446 | pos += scnprintf(buf + pos, bufsz - pos, | |
447 | "\tcw_min\tcw_max\taifsn\ttxop\n"); | |
448 | pos += scnprintf(buf + pos, bufsz - pos, | |
449 | "AC[%d]\t%u\t%u\t%u\t%u\n", i, | |
450 | ctx->qos_data.def_qos_parm.ac[i].cw_min, | |
451 | ctx->qos_data.def_qos_parm.ac[i].cw_max, | |
452 | ctx->qos_data.def_qos_parm.ac[i].aifsn, | |
453 | ctx->qos_data.def_qos_parm.ac[i].edca_txop); | |
454 | } | |
455 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
456 | } | |
457 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
458 | } | |
459 | ||
460 | static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, | |
461 | char __user *user_buf, | |
462 | size_t count, loff_t *ppos) | |
463 | { | |
464 | struct iwl_priv *priv = file->private_data; | |
465 | struct iwl_tt_mgmt *tt = &priv->thermal_throttle; | |
466 | struct iwl_tt_restriction *restriction; | |
467 | char buf[100]; | |
468 | int pos = 0; | |
469 | const size_t bufsz = sizeof(buf); | |
470 | ||
471 | pos += scnprintf(buf + pos, bufsz - pos, | |
472 | "Thermal Throttling Mode: %s\n", | |
473 | tt->advanced_tt ? "Advance" : "Legacy"); | |
474 | pos += scnprintf(buf + pos, bufsz - pos, | |
475 | "Thermal Throttling State: %d\n", | |
476 | tt->state); | |
477 | if (tt->advanced_tt) { | |
478 | restriction = tt->restriction + tt->state; | |
479 | pos += scnprintf(buf + pos, bufsz - pos, | |
480 | "Tx mode: %d\n", | |
481 | restriction->tx_stream); | |
482 | pos += scnprintf(buf + pos, bufsz - pos, | |
483 | "Rx mode: %d\n", | |
484 | restriction->rx_stream); | |
485 | pos += scnprintf(buf + pos, bufsz - pos, | |
486 | "HT mode: %d\n", | |
487 | restriction->is_ht); | |
488 | } | |
489 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
490 | } | |
491 | ||
492 | static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, | |
493 | const char __user *user_buf, | |
494 | size_t count, loff_t *ppos) | |
495 | { | |
496 | struct iwl_priv *priv = file->private_data; | |
497 | char buf[8]; | |
498 | int buf_size; | |
499 | int ht40; | |
500 | ||
501 | memset(buf, 0, sizeof(buf)); | |
502 | buf_size = min(count, sizeof(buf) - 1); | |
503 | if (copy_from_user(buf, user_buf, buf_size)) | |
504 | return -EFAULT; | |
505 | if (sscanf(buf, "%d", &ht40) != 1) | |
506 | return -EFAULT; | |
507 | if (!iwl_is_any_associated(priv)) | |
508 | priv->disable_ht40 = ht40 ? true : false; | |
509 | else | |
510 | return -EINVAL; | |
511 | ||
512 | return count; | |
513 | } | |
514 | ||
515 | static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, | |
516 | char __user *user_buf, | |
517 | size_t count, loff_t *ppos) | |
518 | { | |
519 | struct iwl_priv *priv = file->private_data; | |
520 | char buf[100]; | |
521 | int pos = 0; | |
522 | const size_t bufsz = sizeof(buf); | |
523 | ||
524 | pos += scnprintf(buf + pos, bufsz - pos, | |
525 | "11n 40MHz Mode: %s\n", | |
526 | priv->disable_ht40 ? "Disabled" : "Enabled"); | |
527 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
528 | } | |
529 | ||
530 | static ssize_t iwl_dbgfs_temperature_read(struct file *file, | |
531 | char __user *user_buf, | |
532 | size_t count, loff_t *ppos) | |
533 | { | |
534 | struct iwl_priv *priv = file->private_data; | |
535 | char buf[8]; | |
536 | int pos = 0; | |
537 | const size_t bufsz = sizeof(buf); | |
538 | ||
539 | pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature); | |
540 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
541 | } | |
542 | ||
543 | ||
544 | static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, | |
545 | const char __user *user_buf, | |
546 | size_t count, loff_t *ppos) | |
547 | { | |
548 | struct iwl_priv *priv = file->private_data; | |
549 | char buf[8]; | |
550 | int buf_size; | |
551 | int value; | |
552 | ||
553 | memset(buf, 0, sizeof(buf)); | |
554 | buf_size = min(count, sizeof(buf) - 1); | |
555 | if (copy_from_user(buf, user_buf, buf_size)) | |
556 | return -EFAULT; | |
557 | ||
558 | if (sscanf(buf, "%d", &value) != 1) | |
559 | return -EINVAL; | |
560 | ||
561 | /* | |
562 | * Our users expect 0 to be "CAM", but 0 isn't actually | |
563 | * valid here. However, let's not confuse them and present | |
564 | * IWL_POWER_INDEX_1 as "1", not "0". | |
565 | */ | |
566 | if (value == 0) | |
567 | return -EINVAL; | |
568 | else if (value > 0) | |
569 | value -= 1; | |
570 | ||
571 | if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) | |
572 | return -EINVAL; | |
573 | ||
574 | if (!iwl_is_ready_rf(priv)) | |
575 | return -EAGAIN; | |
576 | ||
577 | priv->power_data.debug_sleep_level_override = value; | |
578 | ||
579 | mutex_lock(&priv->mutex); | |
580 | iwl_power_update_mode(priv, true); | |
581 | mutex_unlock(&priv->mutex); | |
582 | ||
583 | return count; | |
584 | } | |
585 | ||
586 | static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, | |
587 | char __user *user_buf, | |
588 | size_t count, loff_t *ppos) | |
589 | { | |
590 | struct iwl_priv *priv = file->private_data; | |
591 | char buf[10]; | |
592 | int pos, value; | |
593 | const size_t bufsz = sizeof(buf); | |
594 | ||
595 | /* see the write function */ | |
596 | value = priv->power_data.debug_sleep_level_override; | |
597 | if (value >= 0) | |
598 | value += 1; | |
599 | ||
600 | pos = scnprintf(buf, bufsz, "%d\n", value); | |
601 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
602 | } | |
603 | ||
604 | static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, | |
605 | char __user *user_buf, | |
606 | size_t count, loff_t *ppos) | |
607 | { | |
608 | struct iwl_priv *priv = file->private_data; | |
609 | char buf[200]; | |
610 | int pos = 0, i; | |
611 | const size_t bufsz = sizeof(buf); | |
612 | struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; | |
613 | ||
614 | pos += scnprintf(buf + pos, bufsz - pos, | |
615 | "flags: %#.2x\n", le16_to_cpu(cmd->flags)); | |
616 | pos += scnprintf(buf + pos, bufsz - pos, | |
617 | "RX/TX timeout: %d/%d usec\n", | |
618 | le32_to_cpu(cmd->rx_data_timeout), | |
619 | le32_to_cpu(cmd->tx_data_timeout)); | |
620 | for (i = 0; i < IWL_POWER_VEC_SIZE; i++) | |
621 | pos += scnprintf(buf + pos, bufsz - pos, | |
622 | "sleep_interval[%d]: %d\n", i, | |
623 | le32_to_cpu(cmd->sleep_interval[i])); | |
624 | ||
625 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
626 | } | |
627 | ||
628 | DEBUGFS_READ_WRITE_FILE_OPS(sram); | |
629 | DEBUGFS_READ_FILE_OPS(wowlan_sram); | |
630 | DEBUGFS_READ_FILE_OPS(nvm); | |
631 | DEBUGFS_READ_FILE_OPS(stations); | |
632 | DEBUGFS_READ_FILE_OPS(channels); | |
633 | DEBUGFS_READ_FILE_OPS(status); | |
634 | DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers); | |
635 | DEBUGFS_READ_FILE_OPS(qos); | |
636 | DEBUGFS_READ_FILE_OPS(thermal_throttling); | |
637 | DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); | |
638 | DEBUGFS_READ_FILE_OPS(temperature); | |
639 | DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); | |
640 | DEBUGFS_READ_FILE_OPS(current_sleep_command); | |
641 | ||
642 | #define fmt_value " %-30s %10u\n" | |
643 | #define fmt_hex " %-30s 0x%02X\n" | |
644 | #define fmt_table " %-30s %10u %10u %10u %10u\n" | |
645 | #define fmt_header "%-32s current cumulative delta max\n" | |
646 | ||
647 | static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) | |
648 | { | |
649 | int p = 0; | |
650 | u32 flag; | |
651 | ||
652 | lockdep_assert_held(&priv->statistics.lock); | |
653 | ||
654 | flag = le32_to_cpu(priv->statistics.flag); | |
655 | ||
656 | p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); | |
657 | if (flag & UCODE_STATISTICS_CLEAR_MSK) | |
658 | p += scnprintf(buf + p, bufsz - p, | |
659 | "\tStatistics have been cleared\n"); | |
660 | p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n", | |
661 | (flag & UCODE_STATISTICS_FREQUENCY_MSK) | |
662 | ? "2.4 GHz" : "5.2 GHz"); | |
663 | p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n", | |
664 | (flag & UCODE_STATISTICS_NARROW_BAND_MSK) | |
665 | ? "enabled" : "disabled"); | |
666 | ||
667 | return p; | |
668 | } | |
669 | ||
670 | static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, | |
671 | char __user *user_buf, | |
672 | size_t count, loff_t *ppos) | |
673 | { | |
674 | struct iwl_priv *priv = file->private_data; | |
675 | int pos = 0; | |
676 | char *buf; | |
677 | int bufsz = sizeof(struct statistics_rx_phy) * 40 + | |
678 | sizeof(struct statistics_rx_non_phy) * 40 + | |
679 | sizeof(struct statistics_rx_ht_phy) * 40 + 400; | |
680 | ssize_t ret; | |
681 | struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; | |
682 | struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; | |
683 | struct statistics_rx_non_phy *general, *accum_general; | |
684 | struct statistics_rx_non_phy *delta_general, *max_general; | |
685 | struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; | |
686 | ||
687 | if (!iwl_is_alive(priv)) | |
688 | return -EAGAIN; | |
689 | ||
690 | buf = kzalloc(bufsz, GFP_KERNEL); | |
691 | if (!buf) | |
692 | return -ENOMEM; | |
693 | ||
694 | /* | |
695 | * the statistic information display here is based on | |
696 | * the last statistics notification from uCode | |
697 | * might not reflect the current uCode activity | |
698 | */ | |
699 | spin_lock_bh(&priv->statistics.lock); | |
700 | ofdm = &priv->statistics.rx_ofdm; | |
701 | cck = &priv->statistics.rx_cck; | |
702 | general = &priv->statistics.rx_non_phy; | |
703 | ht = &priv->statistics.rx_ofdm_ht; | |
704 | accum_ofdm = &priv->accum_stats.rx_ofdm; | |
705 | accum_cck = &priv->accum_stats.rx_cck; | |
706 | accum_general = &priv->accum_stats.rx_non_phy; | |
707 | accum_ht = &priv->accum_stats.rx_ofdm_ht; | |
708 | delta_ofdm = &priv->delta_stats.rx_ofdm; | |
709 | delta_cck = &priv->delta_stats.rx_cck; | |
710 | delta_general = &priv->delta_stats.rx_non_phy; | |
711 | delta_ht = &priv->delta_stats.rx_ofdm_ht; | |
712 | max_ofdm = &priv->max_delta_stats.rx_ofdm; | |
713 | max_cck = &priv->max_delta_stats.rx_cck; | |
714 | max_general = &priv->max_delta_stats.rx_non_phy; | |
715 | max_ht = &priv->max_delta_stats.rx_ofdm_ht; | |
716 | ||
717 | pos += iwl_statistics_flag(priv, buf, bufsz); | |
718 | pos += scnprintf(buf + pos, bufsz - pos, | |
719 | fmt_header, "Statistics_Rx - OFDM:"); | |
720 | pos += scnprintf(buf + pos, bufsz - pos, | |
721 | fmt_table, "ina_cnt:", | |
722 | le32_to_cpu(ofdm->ina_cnt), | |
723 | accum_ofdm->ina_cnt, | |
724 | delta_ofdm->ina_cnt, max_ofdm->ina_cnt); | |
725 | pos += scnprintf(buf + pos, bufsz - pos, | |
726 | fmt_table, "fina_cnt:", | |
727 | le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, | |
728 | delta_ofdm->fina_cnt, max_ofdm->fina_cnt); | |
729 | pos += scnprintf(buf + pos, bufsz - pos, | |
730 | fmt_table, "plcp_err:", | |
731 | le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, | |
732 | delta_ofdm->plcp_err, max_ofdm->plcp_err); | |
733 | pos += scnprintf(buf + pos, bufsz - pos, | |
734 | fmt_table, "crc32_err:", | |
735 | le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, | |
736 | delta_ofdm->crc32_err, max_ofdm->crc32_err); | |
737 | pos += scnprintf(buf + pos, bufsz - pos, | |
738 | fmt_table, "overrun_err:", | |
739 | le32_to_cpu(ofdm->overrun_err), | |
740 | accum_ofdm->overrun_err, delta_ofdm->overrun_err, | |
741 | max_ofdm->overrun_err); | |
742 | pos += scnprintf(buf + pos, bufsz - pos, | |
743 | fmt_table, "early_overrun_err:", | |
744 | le32_to_cpu(ofdm->early_overrun_err), | |
745 | accum_ofdm->early_overrun_err, | |
746 | delta_ofdm->early_overrun_err, | |
747 | max_ofdm->early_overrun_err); | |
748 | pos += scnprintf(buf + pos, bufsz - pos, | |
749 | fmt_table, "crc32_good:", | |
750 | le32_to_cpu(ofdm->crc32_good), | |
751 | accum_ofdm->crc32_good, delta_ofdm->crc32_good, | |
752 | max_ofdm->crc32_good); | |
753 | pos += scnprintf(buf + pos, bufsz - pos, | |
754 | fmt_table, "false_alarm_cnt:", | |
755 | le32_to_cpu(ofdm->false_alarm_cnt), | |
756 | accum_ofdm->false_alarm_cnt, | |
757 | delta_ofdm->false_alarm_cnt, | |
758 | max_ofdm->false_alarm_cnt); | |
759 | pos += scnprintf(buf + pos, bufsz - pos, | |
760 | fmt_table, "fina_sync_err_cnt:", | |
761 | le32_to_cpu(ofdm->fina_sync_err_cnt), | |
762 | accum_ofdm->fina_sync_err_cnt, | |
763 | delta_ofdm->fina_sync_err_cnt, | |
764 | max_ofdm->fina_sync_err_cnt); | |
765 | pos += scnprintf(buf + pos, bufsz - pos, | |
766 | fmt_table, "sfd_timeout:", | |
767 | le32_to_cpu(ofdm->sfd_timeout), | |
768 | accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout, | |
769 | max_ofdm->sfd_timeout); | |
770 | pos += scnprintf(buf + pos, bufsz - pos, | |
771 | fmt_table, "fina_timeout:", | |
772 | le32_to_cpu(ofdm->fina_timeout), | |
773 | accum_ofdm->fina_timeout, delta_ofdm->fina_timeout, | |
774 | max_ofdm->fina_timeout); | |
775 | pos += scnprintf(buf + pos, bufsz - pos, | |
776 | fmt_table, "unresponded_rts:", | |
777 | le32_to_cpu(ofdm->unresponded_rts), | |
778 | accum_ofdm->unresponded_rts, | |
779 | delta_ofdm->unresponded_rts, | |
780 | max_ofdm->unresponded_rts); | |
781 | pos += scnprintf(buf + pos, bufsz - pos, | |
782 | fmt_table, "rxe_frame_lmt_ovrun:", | |
783 | le32_to_cpu(ofdm->rxe_frame_limit_overrun), | |
784 | accum_ofdm->rxe_frame_limit_overrun, | |
785 | delta_ofdm->rxe_frame_limit_overrun, | |
786 | max_ofdm->rxe_frame_limit_overrun); | |
787 | pos += scnprintf(buf + pos, bufsz - pos, | |
788 | fmt_table, "sent_ack_cnt:", | |
789 | le32_to_cpu(ofdm->sent_ack_cnt), | |
790 | accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt, | |
791 | max_ofdm->sent_ack_cnt); | |
792 | pos += scnprintf(buf + pos, bufsz - pos, | |
793 | fmt_table, "sent_cts_cnt:", | |
794 | le32_to_cpu(ofdm->sent_cts_cnt), | |
795 | accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt, | |
796 | max_ofdm->sent_cts_cnt); | |
797 | pos += scnprintf(buf + pos, bufsz - pos, | |
798 | fmt_table, "sent_ba_rsp_cnt:", | |
799 | le32_to_cpu(ofdm->sent_ba_rsp_cnt), | |
800 | accum_ofdm->sent_ba_rsp_cnt, | |
801 | delta_ofdm->sent_ba_rsp_cnt, | |
802 | max_ofdm->sent_ba_rsp_cnt); | |
803 | pos += scnprintf(buf + pos, bufsz - pos, | |
804 | fmt_table, "dsp_self_kill:", | |
805 | le32_to_cpu(ofdm->dsp_self_kill), | |
806 | accum_ofdm->dsp_self_kill, | |
807 | delta_ofdm->dsp_self_kill, | |
808 | max_ofdm->dsp_self_kill); | |
809 | pos += scnprintf(buf + pos, bufsz - pos, | |
810 | fmt_table, "mh_format_err:", | |
811 | le32_to_cpu(ofdm->mh_format_err), | |
812 | accum_ofdm->mh_format_err, | |
813 | delta_ofdm->mh_format_err, | |
814 | max_ofdm->mh_format_err); | |
815 | pos += scnprintf(buf + pos, bufsz - pos, | |
816 | fmt_table, "re_acq_main_rssi_sum:", | |
817 | le32_to_cpu(ofdm->re_acq_main_rssi_sum), | |
818 | accum_ofdm->re_acq_main_rssi_sum, | |
819 | delta_ofdm->re_acq_main_rssi_sum, | |
820 | max_ofdm->re_acq_main_rssi_sum); | |
821 | ||
822 | pos += scnprintf(buf + pos, bufsz - pos, | |
823 | fmt_header, "Statistics_Rx - CCK:"); | |
824 | pos += scnprintf(buf + pos, bufsz - pos, | |
825 | fmt_table, "ina_cnt:", | |
826 | le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, | |
827 | delta_cck->ina_cnt, max_cck->ina_cnt); | |
828 | pos += scnprintf(buf + pos, bufsz - pos, | |
829 | fmt_table, "fina_cnt:", | |
830 | le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, | |
831 | delta_cck->fina_cnt, max_cck->fina_cnt); | |
832 | pos += scnprintf(buf + pos, bufsz - pos, | |
833 | fmt_table, "plcp_err:", | |
834 | le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, | |
835 | delta_cck->plcp_err, max_cck->plcp_err); | |
836 | pos += scnprintf(buf + pos, bufsz - pos, | |
837 | fmt_table, "crc32_err:", | |
838 | le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, | |
839 | delta_cck->crc32_err, max_cck->crc32_err); | |
840 | pos += scnprintf(buf + pos, bufsz - pos, | |
841 | fmt_table, "overrun_err:", | |
842 | le32_to_cpu(cck->overrun_err), | |
843 | accum_cck->overrun_err, delta_cck->overrun_err, | |
844 | max_cck->overrun_err); | |
845 | pos += scnprintf(buf + pos, bufsz - pos, | |
846 | fmt_table, "early_overrun_err:", | |
847 | le32_to_cpu(cck->early_overrun_err), | |
848 | accum_cck->early_overrun_err, | |
849 | delta_cck->early_overrun_err, | |
850 | max_cck->early_overrun_err); | |
851 | pos += scnprintf(buf + pos, bufsz - pos, | |
852 | fmt_table, "crc32_good:", | |
853 | le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, | |
854 | delta_cck->crc32_good, max_cck->crc32_good); | |
855 | pos += scnprintf(buf + pos, bufsz - pos, | |
856 | fmt_table, "false_alarm_cnt:", | |
857 | le32_to_cpu(cck->false_alarm_cnt), | |
858 | accum_cck->false_alarm_cnt, | |
859 | delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); | |
860 | pos += scnprintf(buf + pos, bufsz - pos, | |
861 | fmt_table, "fina_sync_err_cnt:", | |
862 | le32_to_cpu(cck->fina_sync_err_cnt), | |
863 | accum_cck->fina_sync_err_cnt, | |
864 | delta_cck->fina_sync_err_cnt, | |
865 | max_cck->fina_sync_err_cnt); | |
866 | pos += scnprintf(buf + pos, bufsz - pos, | |
867 | fmt_table, "sfd_timeout:", | |
868 | le32_to_cpu(cck->sfd_timeout), | |
869 | accum_cck->sfd_timeout, delta_cck->sfd_timeout, | |
870 | max_cck->sfd_timeout); | |
871 | pos += scnprintf(buf + pos, bufsz - pos, | |
872 | fmt_table, "fina_timeout:", | |
873 | le32_to_cpu(cck->fina_timeout), | |
874 | accum_cck->fina_timeout, delta_cck->fina_timeout, | |
875 | max_cck->fina_timeout); | |
876 | pos += scnprintf(buf + pos, bufsz - pos, | |
877 | fmt_table, "unresponded_rts:", | |
878 | le32_to_cpu(cck->unresponded_rts), | |
879 | accum_cck->unresponded_rts, delta_cck->unresponded_rts, | |
880 | max_cck->unresponded_rts); | |
881 | pos += scnprintf(buf + pos, bufsz - pos, | |
882 | fmt_table, "rxe_frame_lmt_ovrun:", | |
883 | le32_to_cpu(cck->rxe_frame_limit_overrun), | |
884 | accum_cck->rxe_frame_limit_overrun, | |
885 | delta_cck->rxe_frame_limit_overrun, | |
886 | max_cck->rxe_frame_limit_overrun); | |
887 | pos += scnprintf(buf + pos, bufsz - pos, | |
888 | fmt_table, "sent_ack_cnt:", | |
889 | le32_to_cpu(cck->sent_ack_cnt), | |
890 | accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt, | |
891 | max_cck->sent_ack_cnt); | |
892 | pos += scnprintf(buf + pos, bufsz - pos, | |
893 | fmt_table, "sent_cts_cnt:", | |
894 | le32_to_cpu(cck->sent_cts_cnt), | |
895 | accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt, | |
896 | max_cck->sent_cts_cnt); | |
897 | pos += scnprintf(buf + pos, bufsz - pos, | |
898 | fmt_table, "sent_ba_rsp_cnt:", | |
899 | le32_to_cpu(cck->sent_ba_rsp_cnt), | |
900 | accum_cck->sent_ba_rsp_cnt, | |
901 | delta_cck->sent_ba_rsp_cnt, | |
902 | max_cck->sent_ba_rsp_cnt); | |
903 | pos += scnprintf(buf + pos, bufsz - pos, | |
904 | fmt_table, "dsp_self_kill:", | |
905 | le32_to_cpu(cck->dsp_self_kill), | |
906 | accum_cck->dsp_self_kill, delta_cck->dsp_self_kill, | |
907 | max_cck->dsp_self_kill); | |
908 | pos += scnprintf(buf + pos, bufsz - pos, | |
909 | fmt_table, "mh_format_err:", | |
910 | le32_to_cpu(cck->mh_format_err), | |
911 | accum_cck->mh_format_err, delta_cck->mh_format_err, | |
912 | max_cck->mh_format_err); | |
913 | pos += scnprintf(buf + pos, bufsz - pos, | |
914 | fmt_table, "re_acq_main_rssi_sum:", | |
915 | le32_to_cpu(cck->re_acq_main_rssi_sum), | |
916 | accum_cck->re_acq_main_rssi_sum, | |
917 | delta_cck->re_acq_main_rssi_sum, | |
918 | max_cck->re_acq_main_rssi_sum); | |
919 | ||
920 | pos += scnprintf(buf + pos, bufsz - pos, | |
921 | fmt_header, "Statistics_Rx - GENERAL:"); | |
922 | pos += scnprintf(buf + pos, bufsz - pos, | |
923 | fmt_table, "bogus_cts:", | |
924 | le32_to_cpu(general->bogus_cts), | |
925 | accum_general->bogus_cts, delta_general->bogus_cts, | |
926 | max_general->bogus_cts); | |
927 | pos += scnprintf(buf + pos, bufsz - pos, | |
928 | fmt_table, "bogus_ack:", | |
929 | le32_to_cpu(general->bogus_ack), | |
930 | accum_general->bogus_ack, delta_general->bogus_ack, | |
931 | max_general->bogus_ack); | |
932 | pos += scnprintf(buf + pos, bufsz - pos, | |
933 | fmt_table, "non_bssid_frames:", | |
934 | le32_to_cpu(general->non_bssid_frames), | |
935 | accum_general->non_bssid_frames, | |
936 | delta_general->non_bssid_frames, | |
937 | max_general->non_bssid_frames); | |
938 | pos += scnprintf(buf + pos, bufsz - pos, | |
939 | fmt_table, "filtered_frames:", | |
940 | le32_to_cpu(general->filtered_frames), | |
941 | accum_general->filtered_frames, | |
942 | delta_general->filtered_frames, | |
943 | max_general->filtered_frames); | |
944 | pos += scnprintf(buf + pos, bufsz - pos, | |
945 | fmt_table, "non_channel_beacons:", | |
946 | le32_to_cpu(general->non_channel_beacons), | |
947 | accum_general->non_channel_beacons, | |
948 | delta_general->non_channel_beacons, | |
949 | max_general->non_channel_beacons); | |
950 | pos += scnprintf(buf + pos, bufsz - pos, | |
951 | fmt_table, "channel_beacons:", | |
952 | le32_to_cpu(general->channel_beacons), | |
953 | accum_general->channel_beacons, | |
954 | delta_general->channel_beacons, | |
955 | max_general->channel_beacons); | |
956 | pos += scnprintf(buf + pos, bufsz - pos, | |
957 | fmt_table, "num_missed_bcon:", | |
958 | le32_to_cpu(general->num_missed_bcon), | |
959 | accum_general->num_missed_bcon, | |
960 | delta_general->num_missed_bcon, | |
961 | max_general->num_missed_bcon); | |
962 | pos += scnprintf(buf + pos, bufsz - pos, | |
963 | fmt_table, "adc_rx_saturation_time:", | |
964 | le32_to_cpu(general->adc_rx_saturation_time), | |
965 | accum_general->adc_rx_saturation_time, | |
966 | delta_general->adc_rx_saturation_time, | |
967 | max_general->adc_rx_saturation_time); | |
968 | pos += scnprintf(buf + pos, bufsz - pos, | |
969 | fmt_table, "ina_detect_search_tm:", | |
970 | le32_to_cpu(general->ina_detection_search_time), | |
971 | accum_general->ina_detection_search_time, | |
972 | delta_general->ina_detection_search_time, | |
973 | max_general->ina_detection_search_time); | |
974 | pos += scnprintf(buf + pos, bufsz - pos, | |
975 | fmt_table, "beacon_silence_rssi_a:", | |
976 | le32_to_cpu(general->beacon_silence_rssi_a), | |
977 | accum_general->beacon_silence_rssi_a, | |
978 | delta_general->beacon_silence_rssi_a, | |
979 | max_general->beacon_silence_rssi_a); | |
980 | pos += scnprintf(buf + pos, bufsz - pos, | |
981 | fmt_table, "beacon_silence_rssi_b:", | |
982 | le32_to_cpu(general->beacon_silence_rssi_b), | |
983 | accum_general->beacon_silence_rssi_b, | |
984 | delta_general->beacon_silence_rssi_b, | |
985 | max_general->beacon_silence_rssi_b); | |
986 | pos += scnprintf(buf + pos, bufsz - pos, | |
987 | fmt_table, "beacon_silence_rssi_c:", | |
988 | le32_to_cpu(general->beacon_silence_rssi_c), | |
989 | accum_general->beacon_silence_rssi_c, | |
990 | delta_general->beacon_silence_rssi_c, | |
991 | max_general->beacon_silence_rssi_c); | |
992 | pos += scnprintf(buf + pos, bufsz - pos, | |
993 | fmt_table, "interference_data_flag:", | |
994 | le32_to_cpu(general->interference_data_flag), | |
995 | accum_general->interference_data_flag, | |
996 | delta_general->interference_data_flag, | |
997 | max_general->interference_data_flag); | |
998 | pos += scnprintf(buf + pos, bufsz - pos, | |
999 | fmt_table, "channel_load:", | |
1000 | le32_to_cpu(general->channel_load), | |
1001 | accum_general->channel_load, | |
1002 | delta_general->channel_load, | |
1003 | max_general->channel_load); | |
1004 | pos += scnprintf(buf + pos, bufsz - pos, | |
1005 | fmt_table, "dsp_false_alarms:", | |
1006 | le32_to_cpu(general->dsp_false_alarms), | |
1007 | accum_general->dsp_false_alarms, | |
1008 | delta_general->dsp_false_alarms, | |
1009 | max_general->dsp_false_alarms); | |
1010 | pos += scnprintf(buf + pos, bufsz - pos, | |
1011 | fmt_table, "beacon_rssi_a:", | |
1012 | le32_to_cpu(general->beacon_rssi_a), | |
1013 | accum_general->beacon_rssi_a, | |
1014 | delta_general->beacon_rssi_a, | |
1015 | max_general->beacon_rssi_a); | |
1016 | pos += scnprintf(buf + pos, bufsz - pos, | |
1017 | fmt_table, "beacon_rssi_b:", | |
1018 | le32_to_cpu(general->beacon_rssi_b), | |
1019 | accum_general->beacon_rssi_b, | |
1020 | delta_general->beacon_rssi_b, | |
1021 | max_general->beacon_rssi_b); | |
1022 | pos += scnprintf(buf + pos, bufsz - pos, | |
1023 | fmt_table, "beacon_rssi_c:", | |
1024 | le32_to_cpu(general->beacon_rssi_c), | |
1025 | accum_general->beacon_rssi_c, | |
1026 | delta_general->beacon_rssi_c, | |
1027 | max_general->beacon_rssi_c); | |
1028 | pos += scnprintf(buf + pos, bufsz - pos, | |
1029 | fmt_table, "beacon_energy_a:", | |
1030 | le32_to_cpu(general->beacon_energy_a), | |
1031 | accum_general->beacon_energy_a, | |
1032 | delta_general->beacon_energy_a, | |
1033 | max_general->beacon_energy_a); | |
1034 | pos += scnprintf(buf + pos, bufsz - pos, | |
1035 | fmt_table, "beacon_energy_b:", | |
1036 | le32_to_cpu(general->beacon_energy_b), | |
1037 | accum_general->beacon_energy_b, | |
1038 | delta_general->beacon_energy_b, | |
1039 | max_general->beacon_energy_b); | |
1040 | pos += scnprintf(buf + pos, bufsz - pos, | |
1041 | fmt_table, "beacon_energy_c:", | |
1042 | le32_to_cpu(general->beacon_energy_c), | |
1043 | accum_general->beacon_energy_c, | |
1044 | delta_general->beacon_energy_c, | |
1045 | max_general->beacon_energy_c); | |
1046 | ||
1047 | pos += scnprintf(buf + pos, bufsz - pos, | |
1048 | fmt_header, "Statistics_Rx - OFDM_HT:"); | |
1049 | pos += scnprintf(buf + pos, bufsz - pos, | |
1050 | fmt_table, "plcp_err:", | |
1051 | le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, | |
1052 | delta_ht->plcp_err, max_ht->plcp_err); | |
1053 | pos += scnprintf(buf + pos, bufsz - pos, | |
1054 | fmt_table, "overrun_err:", | |
1055 | le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, | |
1056 | delta_ht->overrun_err, max_ht->overrun_err); | |
1057 | pos += scnprintf(buf + pos, bufsz - pos, | |
1058 | fmt_table, "early_overrun_err:", | |
1059 | le32_to_cpu(ht->early_overrun_err), | |
1060 | accum_ht->early_overrun_err, | |
1061 | delta_ht->early_overrun_err, | |
1062 | max_ht->early_overrun_err); | |
1063 | pos += scnprintf(buf + pos, bufsz - pos, | |
1064 | fmt_table, "crc32_good:", | |
1065 | le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, | |
1066 | delta_ht->crc32_good, max_ht->crc32_good); | |
1067 | pos += scnprintf(buf + pos, bufsz - pos, | |
1068 | fmt_table, "crc32_err:", | |
1069 | le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, | |
1070 | delta_ht->crc32_err, max_ht->crc32_err); | |
1071 | pos += scnprintf(buf + pos, bufsz - pos, | |
1072 | fmt_table, "mh_format_err:", | |
1073 | le32_to_cpu(ht->mh_format_err), | |
1074 | accum_ht->mh_format_err, | |
1075 | delta_ht->mh_format_err, max_ht->mh_format_err); | |
1076 | pos += scnprintf(buf + pos, bufsz - pos, | |
1077 | fmt_table, "agg_crc32_good:", | |
1078 | le32_to_cpu(ht->agg_crc32_good), | |
1079 | accum_ht->agg_crc32_good, | |
1080 | delta_ht->agg_crc32_good, max_ht->agg_crc32_good); | |
1081 | pos += scnprintf(buf + pos, bufsz - pos, | |
1082 | fmt_table, "agg_mpdu_cnt:", | |
1083 | le32_to_cpu(ht->agg_mpdu_cnt), | |
1084 | accum_ht->agg_mpdu_cnt, | |
1085 | delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); | |
1086 | pos += scnprintf(buf + pos, bufsz - pos, | |
1087 | fmt_table, "agg_cnt:", | |
1088 | le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, | |
1089 | delta_ht->agg_cnt, max_ht->agg_cnt); | |
1090 | pos += scnprintf(buf + pos, bufsz - pos, | |
1091 | fmt_table, "unsupport_mcs:", | |
1092 | le32_to_cpu(ht->unsupport_mcs), | |
1093 | accum_ht->unsupport_mcs, | |
1094 | delta_ht->unsupport_mcs, max_ht->unsupport_mcs); | |
1095 | ||
1096 | spin_unlock_bh(&priv->statistics.lock); | |
1097 | ||
1098 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1099 | kfree(buf); | |
1100 | return ret; | |
1101 | } | |
1102 | ||
1103 | static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, | |
1104 | char __user *user_buf, | |
1105 | size_t count, loff_t *ppos) | |
1106 | { | |
1107 | struct iwl_priv *priv = file->private_data; | |
1108 | int pos = 0; | |
1109 | char *buf; | |
1110 | int bufsz = (sizeof(struct statistics_tx) * 48) + 250; | |
1111 | ssize_t ret; | |
1112 | struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; | |
1113 | ||
1114 | if (!iwl_is_alive(priv)) | |
1115 | return -EAGAIN; | |
1116 | ||
1117 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1118 | if (!buf) | |
1119 | return -ENOMEM; | |
1120 | ||
1121 | /* the statistic information display here is based on | |
1122 | * the last statistics notification from uCode | |
1123 | * might not reflect the current uCode activity | |
1124 | */ | |
1125 | spin_lock_bh(&priv->statistics.lock); | |
1126 | ||
1127 | tx = &priv->statistics.tx; | |
1128 | accum_tx = &priv->accum_stats.tx; | |
1129 | delta_tx = &priv->delta_stats.tx; | |
1130 | max_tx = &priv->max_delta_stats.tx; | |
1131 | ||
1132 | pos += iwl_statistics_flag(priv, buf, bufsz); | |
1133 | pos += scnprintf(buf + pos, bufsz - pos, | |
1134 | fmt_header, "Statistics_Tx:"); | |
1135 | pos += scnprintf(buf + pos, bufsz - pos, | |
1136 | fmt_table, "preamble:", | |
1137 | le32_to_cpu(tx->preamble_cnt), | |
1138 | accum_tx->preamble_cnt, | |
1139 | delta_tx->preamble_cnt, max_tx->preamble_cnt); | |
1140 | pos += scnprintf(buf + pos, bufsz - pos, | |
1141 | fmt_table, "rx_detected_cnt:", | |
1142 | le32_to_cpu(tx->rx_detected_cnt), | |
1143 | accum_tx->rx_detected_cnt, | |
1144 | delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); | |
1145 | pos += scnprintf(buf + pos, bufsz - pos, | |
1146 | fmt_table, "bt_prio_defer_cnt:", | |
1147 | le32_to_cpu(tx->bt_prio_defer_cnt), | |
1148 | accum_tx->bt_prio_defer_cnt, | |
1149 | delta_tx->bt_prio_defer_cnt, | |
1150 | max_tx->bt_prio_defer_cnt); | |
1151 | pos += scnprintf(buf + pos, bufsz - pos, | |
1152 | fmt_table, "bt_prio_kill_cnt:", | |
1153 | le32_to_cpu(tx->bt_prio_kill_cnt), | |
1154 | accum_tx->bt_prio_kill_cnt, | |
1155 | delta_tx->bt_prio_kill_cnt, | |
1156 | max_tx->bt_prio_kill_cnt); | |
1157 | pos += scnprintf(buf + pos, bufsz - pos, | |
1158 | fmt_table, "few_bytes_cnt:", | |
1159 | le32_to_cpu(tx->few_bytes_cnt), | |
1160 | accum_tx->few_bytes_cnt, | |
1161 | delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); | |
1162 | pos += scnprintf(buf + pos, bufsz - pos, | |
1163 | fmt_table, "cts_timeout:", | |
1164 | le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, | |
1165 | delta_tx->cts_timeout, max_tx->cts_timeout); | |
1166 | pos += scnprintf(buf + pos, bufsz - pos, | |
1167 | fmt_table, "ack_timeout:", | |
1168 | le32_to_cpu(tx->ack_timeout), | |
1169 | accum_tx->ack_timeout, | |
1170 | delta_tx->ack_timeout, max_tx->ack_timeout); | |
1171 | pos += scnprintf(buf + pos, bufsz - pos, | |
1172 | fmt_table, "expected_ack_cnt:", | |
1173 | le32_to_cpu(tx->expected_ack_cnt), | |
1174 | accum_tx->expected_ack_cnt, | |
1175 | delta_tx->expected_ack_cnt, | |
1176 | max_tx->expected_ack_cnt); | |
1177 | pos += scnprintf(buf + pos, bufsz - pos, | |
1178 | fmt_table, "actual_ack_cnt:", | |
1179 | le32_to_cpu(tx->actual_ack_cnt), | |
1180 | accum_tx->actual_ack_cnt, | |
1181 | delta_tx->actual_ack_cnt, | |
1182 | max_tx->actual_ack_cnt); | |
1183 | pos += scnprintf(buf + pos, bufsz - pos, | |
1184 | fmt_table, "dump_msdu_cnt:", | |
1185 | le32_to_cpu(tx->dump_msdu_cnt), | |
1186 | accum_tx->dump_msdu_cnt, | |
1187 | delta_tx->dump_msdu_cnt, | |
1188 | max_tx->dump_msdu_cnt); | |
1189 | pos += scnprintf(buf + pos, bufsz - pos, | |
1190 | fmt_table, "abort_nxt_frame_mismatch:", | |
1191 | le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), | |
1192 | accum_tx->burst_abort_next_frame_mismatch_cnt, | |
1193 | delta_tx->burst_abort_next_frame_mismatch_cnt, | |
1194 | max_tx->burst_abort_next_frame_mismatch_cnt); | |
1195 | pos += scnprintf(buf + pos, bufsz - pos, | |
1196 | fmt_table, "abort_missing_nxt_frame:", | |
1197 | le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), | |
1198 | accum_tx->burst_abort_missing_next_frame_cnt, | |
1199 | delta_tx->burst_abort_missing_next_frame_cnt, | |
1200 | max_tx->burst_abort_missing_next_frame_cnt); | |
1201 | pos += scnprintf(buf + pos, bufsz - pos, | |
1202 | fmt_table, "cts_timeout_collision:", | |
1203 | le32_to_cpu(tx->cts_timeout_collision), | |
1204 | accum_tx->cts_timeout_collision, | |
1205 | delta_tx->cts_timeout_collision, | |
1206 | max_tx->cts_timeout_collision); | |
1207 | pos += scnprintf(buf + pos, bufsz - pos, | |
1208 | fmt_table, "ack_ba_timeout_collision:", | |
1209 | le32_to_cpu(tx->ack_or_ba_timeout_collision), | |
1210 | accum_tx->ack_or_ba_timeout_collision, | |
1211 | delta_tx->ack_or_ba_timeout_collision, | |
1212 | max_tx->ack_or_ba_timeout_collision); | |
1213 | pos += scnprintf(buf + pos, bufsz - pos, | |
1214 | fmt_table, "agg ba_timeout:", | |
1215 | le32_to_cpu(tx->agg.ba_timeout), | |
1216 | accum_tx->agg.ba_timeout, | |
1217 | delta_tx->agg.ba_timeout, | |
1218 | max_tx->agg.ba_timeout); | |
1219 | pos += scnprintf(buf + pos, bufsz - pos, | |
1220 | fmt_table, "agg ba_resched_frames:", | |
1221 | le32_to_cpu(tx->agg.ba_reschedule_frames), | |
1222 | accum_tx->agg.ba_reschedule_frames, | |
1223 | delta_tx->agg.ba_reschedule_frames, | |
1224 | max_tx->agg.ba_reschedule_frames); | |
1225 | pos += scnprintf(buf + pos, bufsz - pos, | |
1226 | fmt_table, "agg scd_query_agg_frame:", | |
1227 | le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), | |
1228 | accum_tx->agg.scd_query_agg_frame_cnt, | |
1229 | delta_tx->agg.scd_query_agg_frame_cnt, | |
1230 | max_tx->agg.scd_query_agg_frame_cnt); | |
1231 | pos += scnprintf(buf + pos, bufsz - pos, | |
1232 | fmt_table, "agg scd_query_no_agg:", | |
1233 | le32_to_cpu(tx->agg.scd_query_no_agg), | |
1234 | accum_tx->agg.scd_query_no_agg, | |
1235 | delta_tx->agg.scd_query_no_agg, | |
1236 | max_tx->agg.scd_query_no_agg); | |
1237 | pos += scnprintf(buf + pos, bufsz - pos, | |
1238 | fmt_table, "agg scd_query_agg:", | |
1239 | le32_to_cpu(tx->agg.scd_query_agg), | |
1240 | accum_tx->agg.scd_query_agg, | |
1241 | delta_tx->agg.scd_query_agg, | |
1242 | max_tx->agg.scd_query_agg); | |
1243 | pos += scnprintf(buf + pos, bufsz - pos, | |
1244 | fmt_table, "agg scd_query_mismatch:", | |
1245 | le32_to_cpu(tx->agg.scd_query_mismatch), | |
1246 | accum_tx->agg.scd_query_mismatch, | |
1247 | delta_tx->agg.scd_query_mismatch, | |
1248 | max_tx->agg.scd_query_mismatch); | |
1249 | pos += scnprintf(buf + pos, bufsz - pos, | |
1250 | fmt_table, "agg frame_not_ready:", | |
1251 | le32_to_cpu(tx->agg.frame_not_ready), | |
1252 | accum_tx->agg.frame_not_ready, | |
1253 | delta_tx->agg.frame_not_ready, | |
1254 | max_tx->agg.frame_not_ready); | |
1255 | pos += scnprintf(buf + pos, bufsz - pos, | |
1256 | fmt_table, "agg underrun:", | |
1257 | le32_to_cpu(tx->agg.underrun), | |
1258 | accum_tx->agg.underrun, | |
1259 | delta_tx->agg.underrun, max_tx->agg.underrun); | |
1260 | pos += scnprintf(buf + pos, bufsz - pos, | |
1261 | fmt_table, "agg bt_prio_kill:", | |
1262 | le32_to_cpu(tx->agg.bt_prio_kill), | |
1263 | accum_tx->agg.bt_prio_kill, | |
1264 | delta_tx->agg.bt_prio_kill, | |
1265 | max_tx->agg.bt_prio_kill); | |
1266 | pos += scnprintf(buf + pos, bufsz - pos, | |
1267 | fmt_table, "agg rx_ba_rsp_cnt:", | |
1268 | le32_to_cpu(tx->agg.rx_ba_rsp_cnt), | |
1269 | accum_tx->agg.rx_ba_rsp_cnt, | |
1270 | delta_tx->agg.rx_ba_rsp_cnt, | |
1271 | max_tx->agg.rx_ba_rsp_cnt); | |
1272 | ||
1273 | if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { | |
1274 | pos += scnprintf(buf + pos, bufsz - pos, | |
1275 | "tx power: (1/2 dB step)\n"); | |
1276 | if ((priv->nvm_data->valid_tx_ant & ANT_A) && | |
1277 | tx->tx_power.ant_a) | |
1278 | pos += scnprintf(buf + pos, bufsz - pos, | |
1279 | fmt_hex, "antenna A:", | |
1280 | tx->tx_power.ant_a); | |
1281 | if ((priv->nvm_data->valid_tx_ant & ANT_B) && | |
1282 | tx->tx_power.ant_b) | |
1283 | pos += scnprintf(buf + pos, bufsz - pos, | |
1284 | fmt_hex, "antenna B:", | |
1285 | tx->tx_power.ant_b); | |
1286 | if ((priv->nvm_data->valid_tx_ant & ANT_C) && | |
1287 | tx->tx_power.ant_c) | |
1288 | pos += scnprintf(buf + pos, bufsz - pos, | |
1289 | fmt_hex, "antenna C:", | |
1290 | tx->tx_power.ant_c); | |
1291 | } | |
1292 | ||
1293 | spin_unlock_bh(&priv->statistics.lock); | |
1294 | ||
1295 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1296 | kfree(buf); | |
1297 | return ret; | |
1298 | } | |
1299 | ||
1300 | static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, | |
1301 | char __user *user_buf, | |
1302 | size_t count, loff_t *ppos) | |
1303 | { | |
1304 | struct iwl_priv *priv = file->private_data; | |
1305 | int pos = 0; | |
1306 | char *buf; | |
1307 | int bufsz = sizeof(struct statistics_general) * 10 + 300; | |
1308 | ssize_t ret; | |
1309 | struct statistics_general_common *general, *accum_general; | |
1310 | struct statistics_general_common *delta_general, *max_general; | |
1311 | struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; | |
1312 | struct statistics_div *div, *accum_div, *delta_div, *max_div; | |
1313 | ||
1314 | if (!iwl_is_alive(priv)) | |
1315 | return -EAGAIN; | |
1316 | ||
1317 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1318 | if (!buf) | |
1319 | return -ENOMEM; | |
1320 | ||
1321 | /* the statistic information display here is based on | |
1322 | * the last statistics notification from uCode | |
1323 | * might not reflect the current uCode activity | |
1324 | */ | |
1325 | ||
1326 | spin_lock_bh(&priv->statistics.lock); | |
1327 | ||
1328 | general = &priv->statistics.common; | |
1329 | dbg = &priv->statistics.common.dbg; | |
1330 | div = &priv->statistics.common.div; | |
1331 | accum_general = &priv->accum_stats.common; | |
1332 | accum_dbg = &priv->accum_stats.common.dbg; | |
1333 | accum_div = &priv->accum_stats.common.div; | |
1334 | delta_general = &priv->delta_stats.common; | |
1335 | max_general = &priv->max_delta_stats.common; | |
1336 | delta_dbg = &priv->delta_stats.common.dbg; | |
1337 | max_dbg = &priv->max_delta_stats.common.dbg; | |
1338 | delta_div = &priv->delta_stats.common.div; | |
1339 | max_div = &priv->max_delta_stats.common.div; | |
1340 | ||
1341 | pos += iwl_statistics_flag(priv, buf, bufsz); | |
1342 | pos += scnprintf(buf + pos, bufsz - pos, | |
1343 | fmt_header, "Statistics_General:"); | |
1344 | pos += scnprintf(buf + pos, bufsz - pos, | |
1345 | fmt_value, "temperature:", | |
1346 | le32_to_cpu(general->temperature)); | |
1347 | pos += scnprintf(buf + pos, bufsz - pos, | |
1348 | fmt_value, "temperature_m:", | |
1349 | le32_to_cpu(general->temperature_m)); | |
1350 | pos += scnprintf(buf + pos, bufsz - pos, | |
1351 | fmt_value, "ttl_timestamp:", | |
1352 | le32_to_cpu(general->ttl_timestamp)); | |
1353 | pos += scnprintf(buf + pos, bufsz - pos, | |
1354 | fmt_table, "burst_check:", | |
1355 | le32_to_cpu(dbg->burst_check), | |
1356 | accum_dbg->burst_check, | |
1357 | delta_dbg->burst_check, max_dbg->burst_check); | |
1358 | pos += scnprintf(buf + pos, bufsz - pos, | |
1359 | fmt_table, "burst_count:", | |
1360 | le32_to_cpu(dbg->burst_count), | |
1361 | accum_dbg->burst_count, | |
1362 | delta_dbg->burst_count, max_dbg->burst_count); | |
1363 | pos += scnprintf(buf + pos, bufsz - pos, | |
1364 | fmt_table, "wait_for_silence_timeout_count:", | |
1365 | le32_to_cpu(dbg->wait_for_silence_timeout_cnt), | |
1366 | accum_dbg->wait_for_silence_timeout_cnt, | |
1367 | delta_dbg->wait_for_silence_timeout_cnt, | |
1368 | max_dbg->wait_for_silence_timeout_cnt); | |
1369 | pos += scnprintf(buf + pos, bufsz - pos, | |
1370 | fmt_table, "sleep_time:", | |
1371 | le32_to_cpu(general->sleep_time), | |
1372 | accum_general->sleep_time, | |
1373 | delta_general->sleep_time, max_general->sleep_time); | |
1374 | pos += scnprintf(buf + pos, bufsz - pos, | |
1375 | fmt_table, "slots_out:", | |
1376 | le32_to_cpu(general->slots_out), | |
1377 | accum_general->slots_out, | |
1378 | delta_general->slots_out, max_general->slots_out); | |
1379 | pos += scnprintf(buf + pos, bufsz - pos, | |
1380 | fmt_table, "slots_idle:", | |
1381 | le32_to_cpu(general->slots_idle), | |
1382 | accum_general->slots_idle, | |
1383 | delta_general->slots_idle, max_general->slots_idle); | |
1384 | pos += scnprintf(buf + pos, bufsz - pos, | |
1385 | fmt_table, "tx_on_a:", | |
1386 | le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, | |
1387 | delta_div->tx_on_a, max_div->tx_on_a); | |
1388 | pos += scnprintf(buf + pos, bufsz - pos, | |
1389 | fmt_table, "tx_on_b:", | |
1390 | le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, | |
1391 | delta_div->tx_on_b, max_div->tx_on_b); | |
1392 | pos += scnprintf(buf + pos, bufsz - pos, | |
1393 | fmt_table, "exec_time:", | |
1394 | le32_to_cpu(div->exec_time), accum_div->exec_time, | |
1395 | delta_div->exec_time, max_div->exec_time); | |
1396 | pos += scnprintf(buf + pos, bufsz - pos, | |
1397 | fmt_table, "probe_time:", | |
1398 | le32_to_cpu(div->probe_time), accum_div->probe_time, | |
1399 | delta_div->probe_time, max_div->probe_time); | |
1400 | pos += scnprintf(buf + pos, bufsz - pos, | |
1401 | fmt_table, "rx_enable_counter:", | |
1402 | le32_to_cpu(general->rx_enable_counter), | |
1403 | accum_general->rx_enable_counter, | |
1404 | delta_general->rx_enable_counter, | |
1405 | max_general->rx_enable_counter); | |
1406 | pos += scnprintf(buf + pos, bufsz - pos, | |
1407 | fmt_table, "num_of_sos_states:", | |
1408 | le32_to_cpu(general->num_of_sos_states), | |
1409 | accum_general->num_of_sos_states, | |
1410 | delta_general->num_of_sos_states, | |
1411 | max_general->num_of_sos_states); | |
1412 | ||
1413 | spin_unlock_bh(&priv->statistics.lock); | |
1414 | ||
1415 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1416 | kfree(buf); | |
1417 | return ret; | |
1418 | } | |
1419 | ||
1420 | static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, | |
1421 | char __user *user_buf, | |
1422 | size_t count, loff_t *ppos) | |
1423 | { | |
1424 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
1425 | int pos = 0; | |
1426 | char *buf; | |
1427 | int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; | |
1428 | ssize_t ret; | |
1429 | struct statistics_bt_activity *bt, *accum_bt; | |
1430 | ||
1431 | if (!iwl_is_alive(priv)) | |
1432 | return -EAGAIN; | |
1433 | ||
1434 | if (!priv->bt_enable_flag) | |
1435 | return -EINVAL; | |
1436 | ||
1437 | /* make request to uCode to retrieve statistics information */ | |
1438 | mutex_lock(&priv->mutex); | |
1439 | ret = iwl_send_statistics_request(priv, 0, false); | |
1440 | mutex_unlock(&priv->mutex); | |
1441 | ||
1442 | if (ret) | |
1443 | return -EAGAIN; | |
1444 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1445 | if (!buf) | |
1446 | return -ENOMEM; | |
1447 | ||
1448 | /* | |
1449 | * the statistic information display here is based on | |
1450 | * the last statistics notification from uCode | |
1451 | * might not reflect the current uCode activity | |
1452 | */ | |
1453 | ||
1454 | spin_lock_bh(&priv->statistics.lock); | |
1455 | ||
1456 | bt = &priv->statistics.bt_activity; | |
1457 | accum_bt = &priv->accum_stats.bt_activity; | |
1458 | ||
1459 | pos += iwl_statistics_flag(priv, buf, bufsz); | |
1460 | pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); | |
1461 | pos += scnprintf(buf + pos, bufsz - pos, | |
1462 | "\t\t\tcurrent\t\t\taccumulative\n"); | |
1463 | pos += scnprintf(buf + pos, bufsz - pos, | |
1464 | "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", | |
1465 | le32_to_cpu(bt->hi_priority_tx_req_cnt), | |
1466 | accum_bt->hi_priority_tx_req_cnt); | |
1467 | pos += scnprintf(buf + pos, bufsz - pos, | |
1468 | "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", | |
1469 | le32_to_cpu(bt->hi_priority_tx_denied_cnt), | |
1470 | accum_bt->hi_priority_tx_denied_cnt); | |
1471 | pos += scnprintf(buf + pos, bufsz - pos, | |
1472 | "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", | |
1473 | le32_to_cpu(bt->lo_priority_tx_req_cnt), | |
1474 | accum_bt->lo_priority_tx_req_cnt); | |
1475 | pos += scnprintf(buf + pos, bufsz - pos, | |
1476 | "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n", | |
1477 | le32_to_cpu(bt->lo_priority_tx_denied_cnt), | |
1478 | accum_bt->lo_priority_tx_denied_cnt); | |
1479 | pos += scnprintf(buf + pos, bufsz - pos, | |
1480 | "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", | |
1481 | le32_to_cpu(bt->hi_priority_rx_req_cnt), | |
1482 | accum_bt->hi_priority_rx_req_cnt); | |
1483 | pos += scnprintf(buf + pos, bufsz - pos, | |
1484 | "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", | |
1485 | le32_to_cpu(bt->hi_priority_rx_denied_cnt), | |
1486 | accum_bt->hi_priority_rx_denied_cnt); | |
1487 | pos += scnprintf(buf + pos, bufsz - pos, | |
1488 | "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", | |
1489 | le32_to_cpu(bt->lo_priority_rx_req_cnt), | |
1490 | accum_bt->lo_priority_rx_req_cnt); | |
1491 | pos += scnprintf(buf + pos, bufsz - pos, | |
1492 | "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", | |
1493 | le32_to_cpu(bt->lo_priority_rx_denied_cnt), | |
1494 | accum_bt->lo_priority_rx_denied_cnt); | |
1495 | ||
1496 | pos += scnprintf(buf + pos, bufsz - pos, | |
1497 | "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", | |
1498 | le32_to_cpu(priv->statistics.num_bt_kills), | |
1499 | priv->statistics.accum_num_bt_kills); | |
1500 | ||
1501 | spin_unlock_bh(&priv->statistics.lock); | |
1502 | ||
1503 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1504 | kfree(buf); | |
1505 | return ret; | |
1506 | } | |
1507 | ||
1508 | static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, | |
1509 | char __user *user_buf, | |
1510 | size_t count, loff_t *ppos) | |
1511 | { | |
1512 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
1513 | int pos = 0; | |
1514 | char *buf; | |
1515 | int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) + | |
1516 | (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; | |
1517 | ssize_t ret; | |
1518 | ||
1519 | if (!iwl_is_alive(priv)) | |
1520 | return -EAGAIN; | |
1521 | ||
1522 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1523 | if (!buf) | |
1524 | return -ENOMEM; | |
1525 | ||
1526 | pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n"); | |
1527 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n", | |
1528 | iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY), | |
1529 | priv->reply_tx_stats.pp_delay); | |
1530 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1531 | iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES), | |
1532 | priv->reply_tx_stats.pp_few_bytes); | |
1533 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1534 | iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO), | |
1535 | priv->reply_tx_stats.pp_bt_prio); | |
1536 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1537 | iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD), | |
1538 | priv->reply_tx_stats.pp_quiet_period); | |
1539 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1540 | iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK), | |
1541 | priv->reply_tx_stats.pp_calc_ttak); | |
1542 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", | |
1543 | iwl_get_tx_fail_reason( | |
1544 | TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY), | |
1545 | priv->reply_tx_stats.int_crossed_retry); | |
1546 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1547 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT), | |
1548 | priv->reply_tx_stats.short_limit); | |
1549 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1550 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT), | |
1551 | priv->reply_tx_stats.long_limit); | |
1552 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1553 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN), | |
1554 | priv->reply_tx_stats.fifo_underrun); | |
1555 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1556 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW), | |
1557 | priv->reply_tx_stats.drain_flow); | |
1558 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1559 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH), | |
1560 | priv->reply_tx_stats.rfkill_flush); | |
1561 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1562 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE), | |
1563 | priv->reply_tx_stats.life_expire); | |
1564 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1565 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS), | |
1566 | priv->reply_tx_stats.dest_ps); | |
1567 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1568 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED), | |
1569 | priv->reply_tx_stats.host_abort); | |
1570 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1571 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY), | |
1572 | priv->reply_tx_stats.pp_delay); | |
1573 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1574 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID), | |
1575 | priv->reply_tx_stats.sta_invalid); | |
1576 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1577 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED), | |
1578 | priv->reply_tx_stats.frag_drop); | |
1579 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1580 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE), | |
1581 | priv->reply_tx_stats.tid_disable); | |
1582 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1583 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED), | |
1584 | priv->reply_tx_stats.fifo_flush); | |
1585 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", | |
1586 | iwl_get_tx_fail_reason( | |
1587 | TX_STATUS_FAIL_INSUFFICIENT_CF_POLL), | |
1588 | priv->reply_tx_stats.insuff_cf_poll); | |
1589 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1590 | iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX), | |
1591 | priv->reply_tx_stats.fail_hw_drop); | |
1592 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", | |
1593 | iwl_get_tx_fail_reason( | |
1594 | TX_STATUS_FAIL_NO_BEACON_ON_RADAR), | |
1595 | priv->reply_tx_stats.sta_color_mismatch); | |
1596 | pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", | |
1597 | priv->reply_tx_stats.unknown); | |
1598 | ||
1599 | pos += scnprintf(buf + pos, bufsz - pos, | |
1600 | "\nStatistics_Agg_TX_Error:\n"); | |
1601 | ||
1602 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1603 | iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK), | |
1604 | priv->reply_agg_tx_stats.underrun); | |
1605 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1606 | iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK), | |
1607 | priv->reply_agg_tx_stats.bt_prio); | |
1608 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1609 | iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK), | |
1610 | priv->reply_agg_tx_stats.few_bytes); | |
1611 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1612 | iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK), | |
1613 | priv->reply_agg_tx_stats.abort); | |
1614 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", | |
1615 | iwl_get_agg_tx_fail_reason( | |
1616 | AGG_TX_STATE_LAST_SENT_TTL_MSK), | |
1617 | priv->reply_agg_tx_stats.last_sent_ttl); | |
1618 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", | |
1619 | iwl_get_agg_tx_fail_reason( | |
1620 | AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK), | |
1621 | priv->reply_agg_tx_stats.last_sent_try); | |
1622 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", | |
1623 | iwl_get_agg_tx_fail_reason( | |
1624 | AGG_TX_STATE_LAST_SENT_BT_KILL_MSK), | |
1625 | priv->reply_agg_tx_stats.last_sent_bt_kill); | |
1626 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1627 | iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK), | |
1628 | priv->reply_agg_tx_stats.scd_query); | |
1629 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n", | |
1630 | iwl_get_agg_tx_fail_reason( | |
1631 | AGG_TX_STATE_TEST_BAD_CRC32_MSK), | |
1632 | priv->reply_agg_tx_stats.bad_crc32); | |
1633 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1634 | iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK), | |
1635 | priv->reply_agg_tx_stats.response); | |
1636 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1637 | iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK), | |
1638 | priv->reply_agg_tx_stats.dump_tx); | |
1639 | pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n", | |
1640 | iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK), | |
1641 | priv->reply_agg_tx_stats.delay_tx); | |
1642 | pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n", | |
1643 | priv->reply_agg_tx_stats.unknown); | |
1644 | ||
1645 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1646 | kfree(buf); | |
1647 | return ret; | |
1648 | } | |
1649 | ||
1650 | static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, | |
1651 | char __user *user_buf, | |
1652 | size_t count, loff_t *ppos) { | |
1653 | ||
1654 | struct iwl_priv *priv = file->private_data; | |
1655 | int pos = 0; | |
1656 | int cnt = 0; | |
1657 | char *buf; | |
1658 | int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; | |
1659 | ssize_t ret; | |
1660 | struct iwl_sensitivity_data *data; | |
1661 | ||
1662 | data = &priv->sensitivity_data; | |
1663 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1664 | if (!buf) | |
1665 | return -ENOMEM; | |
1666 | ||
1667 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", | |
1668 | data->auto_corr_ofdm); | |
1669 | pos += scnprintf(buf + pos, bufsz - pos, | |
1670 | "auto_corr_ofdm_mrc:\t\t %u\n", | |
1671 | data->auto_corr_ofdm_mrc); | |
1672 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", | |
1673 | data->auto_corr_ofdm_x1); | |
1674 | pos += scnprintf(buf + pos, bufsz - pos, | |
1675 | "auto_corr_ofdm_mrc_x1:\t\t %u\n", | |
1676 | data->auto_corr_ofdm_mrc_x1); | |
1677 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", | |
1678 | data->auto_corr_cck); | |
1679 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", | |
1680 | data->auto_corr_cck_mrc); | |
1681 | pos += scnprintf(buf + pos, bufsz - pos, | |
1682 | "last_bad_plcp_cnt_ofdm:\t\t %u\n", | |
1683 | data->last_bad_plcp_cnt_ofdm); | |
1684 | pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", | |
1685 | data->last_fa_cnt_ofdm); | |
1686 | pos += scnprintf(buf + pos, bufsz - pos, | |
1687 | "last_bad_plcp_cnt_cck:\t\t %u\n", | |
1688 | data->last_bad_plcp_cnt_cck); | |
1689 | pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", | |
1690 | data->last_fa_cnt_cck); | |
1691 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", | |
1692 | data->nrg_curr_state); | |
1693 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", | |
1694 | data->nrg_prev_state); | |
1695 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); | |
1696 | for (cnt = 0; cnt < 10; cnt++) { | |
1697 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1698 | data->nrg_value[cnt]); | |
1699 | } | |
1700 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1701 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); | |
1702 | for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { | |
1703 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1704 | data->nrg_silence_rssi[cnt]); | |
1705 | } | |
1706 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1707 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", | |
1708 | data->nrg_silence_ref); | |
1709 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", | |
1710 | data->nrg_energy_idx); | |
1711 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", | |
1712 | data->nrg_silence_idx); | |
1713 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", | |
1714 | data->nrg_th_cck); | |
1715 | pos += scnprintf(buf + pos, bufsz - pos, | |
1716 | "nrg_auto_corr_silence_diff:\t %u\n", | |
1717 | data->nrg_auto_corr_silence_diff); | |
1718 | pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", | |
1719 | data->num_in_cck_no_fa); | |
1720 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", | |
1721 | data->nrg_th_ofdm); | |
1722 | ||
1723 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1724 | kfree(buf); | |
1725 | return ret; | |
1726 | } | |
1727 | ||
1728 | ||
1729 | static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, | |
1730 | char __user *user_buf, | |
1731 | size_t count, loff_t *ppos) { | |
1732 | ||
1733 | struct iwl_priv *priv = file->private_data; | |
1734 | int pos = 0; | |
1735 | int cnt = 0; | |
1736 | char *buf; | |
1737 | int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; | |
1738 | ssize_t ret; | |
1739 | struct iwl_chain_noise_data *data; | |
1740 | ||
1741 | data = &priv->chain_noise_data; | |
1742 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1743 | if (!buf) | |
1744 | return -ENOMEM; | |
1745 | ||
1746 | pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", | |
1747 | data->active_chains); | |
1748 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", | |
1749 | data->chain_noise_a); | |
1750 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", | |
1751 | data->chain_noise_b); | |
1752 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", | |
1753 | data->chain_noise_c); | |
1754 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", | |
1755 | data->chain_signal_a); | |
1756 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", | |
1757 | data->chain_signal_b); | |
1758 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", | |
1759 | data->chain_signal_c); | |
1760 | pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", | |
1761 | data->beacon_count); | |
1762 | ||
1763 | pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); | |
1764 | for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { | |
1765 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1766 | data->disconn_array[cnt]); | |
1767 | } | |
1768 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1769 | pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); | |
1770 | for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { | |
1771 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1772 | data->delta_gain_code[cnt]); | |
1773 | } | |
1774 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1775 | pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", | |
1776 | data->radio_write); | |
1777 | pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", | |
1778 | data->state); | |
1779 | ||
1780 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1781 | kfree(buf); | |
1782 | return ret; | |
1783 | } | |
1784 | ||
1785 | static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, | |
1786 | char __user *user_buf, | |
1787 | size_t count, loff_t *ppos) | |
1788 | { | |
1789 | struct iwl_priv *priv = file->private_data; | |
1790 | char buf[60]; | |
1791 | int pos = 0; | |
1792 | const size_t bufsz = sizeof(buf); | |
1793 | u32 pwrsave_status; | |
1794 | ||
1795 | pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) & | |
1796 | CSR_GP_REG_POWER_SAVE_STATUS_MSK; | |
1797 | ||
1798 | pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); | |
1799 | pos += scnprintf(buf + pos, bufsz - pos, "%s\n", | |
1800 | (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : | |
1801 | (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : | |
1802 | (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : | |
1803 | "error"); | |
1804 | ||
1805 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1806 | } | |
1807 | ||
1808 | static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, | |
1809 | const char __user *user_buf, | |
1810 | size_t count, loff_t *ppos) | |
1811 | { | |
1812 | struct iwl_priv *priv = file->private_data; | |
1813 | char buf[8]; | |
1814 | int buf_size; | |
1815 | int clear; | |
1816 | ||
1817 | memset(buf, 0, sizeof(buf)); | |
1818 | buf_size = min(count, sizeof(buf) - 1); | |
1819 | if (copy_from_user(buf, user_buf, buf_size)) | |
1820 | return -EFAULT; | |
1821 | if (sscanf(buf, "%d", &clear) != 1) | |
1822 | return -EFAULT; | |
1823 | ||
1824 | /* make request to uCode to retrieve statistics information */ | |
1825 | mutex_lock(&priv->mutex); | |
1826 | iwl_send_statistics_request(priv, 0, true); | |
1827 | mutex_unlock(&priv->mutex); | |
1828 | ||
1829 | return count; | |
1830 | } | |
1831 | ||
1832 | static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, | |
1833 | char __user *user_buf, | |
1834 | size_t count, loff_t *ppos) { | |
1835 | ||
1836 | struct iwl_priv *priv = file->private_data; | |
1837 | int pos = 0; | |
1838 | char buf[128]; | |
1839 | const size_t bufsz = sizeof(buf); | |
1840 | ||
1841 | pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", | |
1842 | priv->event_log.ucode_trace ? "On" : "Off"); | |
1843 | pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", | |
1844 | priv->event_log.non_wraps_count); | |
1845 | pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", | |
1846 | priv->event_log.wraps_once_count); | |
1847 | pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", | |
1848 | priv->event_log.wraps_more_count); | |
1849 | ||
1850 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1851 | } | |
1852 | ||
1853 | static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, | |
1854 | const char __user *user_buf, | |
1855 | size_t count, loff_t *ppos) | |
1856 | { | |
1857 | struct iwl_priv *priv = file->private_data; | |
1858 | char buf[8]; | |
1859 | int buf_size; | |
1860 | int trace; | |
1861 | ||
1862 | memset(buf, 0, sizeof(buf)); | |
1863 | buf_size = min(count, sizeof(buf) - 1); | |
1864 | if (copy_from_user(buf, user_buf, buf_size)) | |
1865 | return -EFAULT; | |
1866 | if (sscanf(buf, "%d", &trace) != 1) | |
1867 | return -EFAULT; | |
1868 | ||
1869 | if (trace) { | |
1870 | priv->event_log.ucode_trace = true; | |
1871 | if (iwl_is_alive(priv)) { | |
1872 | /* start collecting data now */ | |
1873 | mod_timer(&priv->ucode_trace, jiffies); | |
1874 | } | |
1875 | } else { | |
1876 | priv->event_log.ucode_trace = false; | |
1877 | del_timer_sync(&priv->ucode_trace); | |
1878 | } | |
1879 | ||
1880 | return count; | |
1881 | } | |
1882 | ||
1883 | static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, | |
1884 | char __user *user_buf, | |
1885 | size_t count, loff_t *ppos) { | |
1886 | ||
1887 | struct iwl_priv *priv = file->private_data; | |
1888 | int len = 0; | |
1889 | char buf[20]; | |
1890 | ||
1891 | len = sprintf(buf, "0x%04X\n", | |
1892 | le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags)); | |
1893 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1894 | } | |
1895 | ||
1896 | static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, | |
1897 | char __user *user_buf, | |
1898 | size_t count, loff_t *ppos) { | |
1899 | ||
1900 | struct iwl_priv *priv = file->private_data; | |
1901 | int len = 0; | |
1902 | char buf[20]; | |
1903 | ||
1904 | len = sprintf(buf, "0x%04X\n", | |
1905 | le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags)); | |
1906 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1907 | } | |
1908 | ||
1909 | static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, | |
1910 | char __user *user_buf, | |
1911 | size_t count, loff_t *ppos) { | |
1912 | ||
1913 | struct iwl_priv *priv = file->private_data; | |
1914 | int pos = 0; | |
1915 | char buf[12]; | |
1916 | const size_t bufsz = sizeof(buf); | |
1917 | ||
1918 | pos += scnprintf(buf + pos, bufsz - pos, "%d\n", | |
1919 | priv->missed_beacon_threshold); | |
1920 | ||
1921 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1922 | } | |
1923 | ||
1924 | static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, | |
1925 | const char __user *user_buf, | |
1926 | size_t count, loff_t *ppos) | |
1927 | { | |
1928 | struct iwl_priv *priv = file->private_data; | |
1929 | char buf[8]; | |
1930 | int buf_size; | |
1931 | int missed; | |
1932 | ||
1933 | memset(buf, 0, sizeof(buf)); | |
1934 | buf_size = min(count, sizeof(buf) - 1); | |
1935 | if (copy_from_user(buf, user_buf, buf_size)) | |
1936 | return -EFAULT; | |
1937 | if (sscanf(buf, "%d", &missed) != 1) | |
1938 | return -EINVAL; | |
1939 | ||
1940 | if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || | |
1941 | missed > IWL_MISSED_BEACON_THRESHOLD_MAX) | |
1942 | priv->missed_beacon_threshold = | |
1943 | IWL_MISSED_BEACON_THRESHOLD_DEF; | |
1944 | else | |
1945 | priv->missed_beacon_threshold = missed; | |
1946 | ||
1947 | return count; | |
1948 | } | |
1949 | ||
1950 | static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, | |
1951 | char __user *user_buf, | |
1952 | size_t count, loff_t *ppos) { | |
1953 | ||
1954 | struct iwl_priv *priv = file->private_data; | |
1955 | int pos = 0; | |
1956 | char buf[12]; | |
1957 | const size_t bufsz = sizeof(buf); | |
1958 | ||
1959 | pos += scnprintf(buf + pos, bufsz - pos, "%u\n", | |
1960 | priv->plcp_delta_threshold); | |
1961 | ||
1962 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1963 | } | |
1964 | ||
1965 | static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, | |
1966 | const char __user *user_buf, | |
1967 | size_t count, loff_t *ppos) { | |
1968 | ||
1969 | struct iwl_priv *priv = file->private_data; | |
1970 | char buf[8]; | |
1971 | int buf_size; | |
1972 | int plcp; | |
1973 | ||
1974 | memset(buf, 0, sizeof(buf)); | |
1975 | buf_size = min(count, sizeof(buf) - 1); | |
1976 | if (copy_from_user(buf, user_buf, buf_size)) | |
1977 | return -EFAULT; | |
1978 | if (sscanf(buf, "%d", &plcp) != 1) | |
1979 | return -EINVAL; | |
1980 | if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || | |
1981 | (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) | |
1982 | priv->plcp_delta_threshold = | |
1983 | IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; | |
1984 | else | |
1985 | priv->plcp_delta_threshold = plcp; | |
1986 | return count; | |
1987 | } | |
1988 | ||
1989 | static ssize_t iwl_dbgfs_rf_reset_read(struct file *file, | |
1990 | char __user *user_buf, | |
1991 | size_t count, loff_t *ppos) | |
1992 | { | |
1993 | struct iwl_priv *priv = file->private_data; | |
1994 | int pos = 0; | |
1995 | char buf[300]; | |
1996 | const size_t bufsz = sizeof(buf); | |
1997 | struct iwl_rf_reset *rf_reset = &priv->rf_reset; | |
1998 | ||
1999 | pos += scnprintf(buf + pos, bufsz - pos, | |
2000 | "RF reset statistics\n"); | |
2001 | pos += scnprintf(buf + pos, bufsz - pos, | |
2002 | "\tnumber of reset request: %d\n", | |
2003 | rf_reset->reset_request_count); | |
2004 | pos += scnprintf(buf + pos, bufsz - pos, | |
2005 | "\tnumber of reset request success: %d\n", | |
2006 | rf_reset->reset_success_count); | |
2007 | pos += scnprintf(buf + pos, bufsz - pos, | |
2008 | "\tnumber of reset request reject: %d\n", | |
2009 | rf_reset->reset_reject_count); | |
2010 | ||
2011 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2012 | } | |
2013 | ||
2014 | static ssize_t iwl_dbgfs_rf_reset_write(struct file *file, | |
2015 | const char __user *user_buf, | |
2016 | size_t count, loff_t *ppos) { | |
2017 | ||
2018 | struct iwl_priv *priv = file->private_data; | |
2019 | int ret; | |
2020 | ||
2021 | ret = iwl_force_rf_reset(priv, true); | |
2022 | return ret ? ret : count; | |
2023 | } | |
2024 | ||
2025 | static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, | |
2026 | const char __user *user_buf, | |
2027 | size_t count, loff_t *ppos) { | |
2028 | ||
2029 | struct iwl_priv *priv = file->private_data; | |
2030 | char buf[8]; | |
2031 | int buf_size; | |
2032 | int flush; | |
2033 | ||
2034 | memset(buf, 0, sizeof(buf)); | |
2035 | buf_size = min(count, sizeof(buf) - 1); | |
2036 | if (copy_from_user(buf, user_buf, buf_size)) | |
2037 | return -EFAULT; | |
2038 | if (sscanf(buf, "%d", &flush) != 1) | |
2039 | return -EINVAL; | |
2040 | ||
2041 | if (iwl_is_rfkill(priv)) | |
2042 | return -EFAULT; | |
2043 | ||
2044 | iwlagn_dev_txfifo_flush(priv); | |
2045 | ||
2046 | return count; | |
2047 | } | |
2048 | ||
2049 | static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file, | |
2050 | char __user *user_buf, | |
2051 | size_t count, loff_t *ppos) { | |
2052 | ||
2053 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
2054 | int pos = 0; | |
2055 | char buf[200]; | |
2056 | const size_t bufsz = sizeof(buf); | |
2057 | ||
2058 | if (!priv->bt_enable_flag) { | |
2059 | pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n"); | |
2060 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2061 | } | |
2062 | pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n", | |
2063 | priv->bt_enable_flag); | |
2064 | pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n", | |
2065 | priv->bt_full_concurrent ? "full concurrency" : "3-wire"); | |
2066 | pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, " | |
2067 | "last traffic notif: %d\n", | |
2068 | priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load); | |
2069 | pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, " | |
2070 | "kill_ack_mask: %x, kill_cts_mask: %x\n", | |
2071 | priv->bt_ch_announce, priv->kill_ack_mask, | |
2072 | priv->kill_cts_mask); | |
2073 | ||
2074 | pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: "); | |
2075 | switch (priv->bt_traffic_load) { | |
2076 | case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS: | |
2077 | pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n"); | |
2078 | break; | |
2079 | case IWL_BT_COEX_TRAFFIC_LOAD_HIGH: | |
2080 | pos += scnprintf(buf + pos, bufsz - pos, "High\n"); | |
2081 | break; | |
2082 | case IWL_BT_COEX_TRAFFIC_LOAD_LOW: | |
2083 | pos += scnprintf(buf + pos, bufsz - pos, "Low\n"); | |
2084 | break; | |
2085 | case IWL_BT_COEX_TRAFFIC_LOAD_NONE: | |
2086 | default: | |
2087 | pos += scnprintf(buf + pos, bufsz - pos, "None\n"); | |
2088 | break; | |
2089 | } | |
2090 | ||
2091 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2092 | } | |
2093 | ||
2094 | static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, | |
2095 | char __user *user_buf, | |
2096 | size_t count, loff_t *ppos) | |
2097 | { | |
2098 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
2099 | ||
2100 | int pos = 0; | |
2101 | char buf[40]; | |
2102 | const size_t bufsz = sizeof(buf); | |
2103 | ||
2104 | if (priv->cfg->ht_params) | |
2105 | pos += scnprintf(buf + pos, bufsz - pos, | |
2106 | "use %s for aggregation\n", | |
2107 | (priv->hw_params.use_rts_for_aggregation) ? | |
2108 | "rts/cts" : "cts-to-self"); | |
2109 | else | |
2110 | pos += scnprintf(buf + pos, bufsz - pos, "N/A"); | |
2111 | ||
2112 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2113 | } | |
2114 | ||
2115 | static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, | |
2116 | const char __user *user_buf, | |
2117 | size_t count, loff_t *ppos) { | |
2118 | ||
2119 | struct iwl_priv *priv = file->private_data; | |
2120 | char buf[8]; | |
2121 | int buf_size; | |
2122 | int rts; | |
2123 | ||
2124 | if (!priv->cfg->ht_params) | |
2125 | return -EINVAL; | |
2126 | ||
2127 | memset(buf, 0, sizeof(buf)); | |
2128 | buf_size = min(count, sizeof(buf) - 1); | |
2129 | if (copy_from_user(buf, user_buf, buf_size)) | |
2130 | return -EFAULT; | |
2131 | if (sscanf(buf, "%d", &rts) != 1) | |
2132 | return -EINVAL; | |
2133 | if (rts) | |
2134 | priv->hw_params.use_rts_for_aggregation = true; | |
2135 | else | |
2136 | priv->hw_params.use_rts_for_aggregation = false; | |
2137 | return count; | |
2138 | } | |
2139 | ||
2140 | static int iwl_cmd_echo_test(struct iwl_priv *priv) | |
2141 | { | |
2142 | int ret; | |
2143 | struct iwl_host_cmd cmd = { | |
2144 | .id = REPLY_ECHO, | |
2145 | .len = { 0 }, | |
2146 | }; | |
2147 | ||
2148 | ret = iwl_dvm_send_cmd(priv, &cmd); | |
2149 | if (ret) | |
2150 | IWL_ERR(priv, "echo testing fail: 0X%x\n", ret); | |
2151 | else | |
2152 | IWL_DEBUG_INFO(priv, "echo testing pass\n"); | |
2153 | return ret; | |
2154 | } | |
2155 | ||
2156 | static ssize_t iwl_dbgfs_echo_test_write(struct file *file, | |
2157 | const char __user *user_buf, | |
2158 | size_t count, loff_t *ppos) | |
2159 | { | |
2160 | struct iwl_priv *priv = file->private_data; | |
2161 | char buf[8]; | |
2162 | int buf_size; | |
2163 | ||
2164 | memset(buf, 0, sizeof(buf)); | |
2165 | buf_size = min(count, sizeof(buf) - 1); | |
2166 | if (copy_from_user(buf, user_buf, buf_size)) | |
2167 | return -EFAULT; | |
2168 | ||
2169 | iwl_cmd_echo_test(priv); | |
2170 | return count; | |
2171 | } | |
2172 | ||
2173 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2174 | static ssize_t iwl_dbgfs_log_event_read(struct file *file, | |
2175 | char __user *user_buf, | |
2176 | size_t count, loff_t *ppos) | |
2177 | { | |
2178 | struct iwl_priv *priv = file->private_data; | |
2179 | char *buf = NULL; | |
2180 | ssize_t ret; | |
2181 | ||
2182 | ret = iwl_dump_nic_event_log(priv, true, &buf); | |
2183 | if (ret > 0) | |
2184 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
2185 | kfree(buf); | |
2186 | return ret; | |
2187 | } | |
2188 | ||
2189 | static ssize_t iwl_dbgfs_log_event_write(struct file *file, | |
2190 | const char __user *user_buf, | |
2191 | size_t count, loff_t *ppos) | |
2192 | { | |
2193 | struct iwl_priv *priv = file->private_data; | |
2194 | u32 event_log_flag; | |
2195 | char buf[8]; | |
2196 | int buf_size; | |
2197 | ||
2198 | /* check that the interface is up */ | |
2199 | if (!iwl_is_ready(priv)) | |
2200 | return -EAGAIN; | |
2201 | ||
2202 | memset(buf, 0, sizeof(buf)); | |
2203 | buf_size = min(count, sizeof(buf) - 1); | |
2204 | if (copy_from_user(buf, user_buf, buf_size)) | |
2205 | return -EFAULT; | |
2206 | if (sscanf(buf, "%u", &event_log_flag) != 1) | |
2207 | return -EFAULT; | |
2208 | if (event_log_flag == 1) | |
2209 | iwl_dump_nic_event_log(priv, true, NULL); | |
2210 | ||
2211 | return count; | |
2212 | } | |
2213 | #endif | |
2214 | ||
2215 | static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file, | |
2216 | char __user *user_buf, | |
2217 | size_t count, loff_t *ppos) | |
2218 | { | |
2219 | struct iwl_priv *priv = file->private_data; | |
2220 | char buf[120]; | |
2221 | int pos = 0; | |
2222 | const size_t bufsz = sizeof(buf); | |
2223 | ||
2224 | pos += scnprintf(buf + pos, bufsz - pos, | |
2225 | "Sensitivity calibrations %s\n", | |
2226 | (priv->calib_disabled & | |
2227 | IWL_SENSITIVITY_CALIB_DISABLED) ? | |
2228 | "DISABLED" : "ENABLED"); | |
2229 | pos += scnprintf(buf + pos, bufsz - pos, | |
2230 | "Chain noise calibrations %s\n", | |
2231 | (priv->calib_disabled & | |
2232 | IWL_CHAIN_NOISE_CALIB_DISABLED) ? | |
2233 | "DISABLED" : "ENABLED"); | |
2234 | pos += scnprintf(buf + pos, bufsz - pos, | |
2235 | "Tx power calibrations %s\n", | |
2236 | (priv->calib_disabled & | |
2237 | IWL_TX_POWER_CALIB_DISABLED) ? | |
2238 | "DISABLED" : "ENABLED"); | |
2239 | ||
2240 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2241 | } | |
2242 | ||
2243 | static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file, | |
2244 | const char __user *user_buf, | |
2245 | size_t count, loff_t *ppos) | |
2246 | { | |
2247 | struct iwl_priv *priv = file->private_data; | |
2248 | char buf[8]; | |
2249 | u32 calib_disabled; | |
2250 | int buf_size; | |
2251 | ||
2252 | memset(buf, 0, sizeof(buf)); | |
2253 | buf_size = min(count, sizeof(buf) - 1); | |
2254 | if (copy_from_user(buf, user_buf, buf_size)) | |
2255 | return -EFAULT; | |
2256 | if (sscanf(buf, "%x", &calib_disabled) != 1) | |
2257 | return -EFAULT; | |
2258 | ||
2259 | priv->calib_disabled = calib_disabled; | |
2260 | ||
2261 | return count; | |
2262 | } | |
2263 | ||
2264 | static ssize_t iwl_dbgfs_fw_restart_write(struct file *file, | |
2265 | const char __user *user_buf, | |
2266 | size_t count, loff_t *ppos) | |
2267 | { | |
2268 | struct iwl_priv *priv = file->private_data; | |
2269 | bool fw_restart = iwlwifi_mod_params.fw_restart; | |
2270 | int __maybe_unused ret; | |
2271 | ||
2272 | iwlwifi_mod_params.fw_restart = true; | |
2273 | ||
2274 | mutex_lock(&priv->mutex); | |
2275 | ||
2276 | /* take the return value to make compiler happy - it will fail anyway */ | |
2277 | ret = iwl_dvm_send_cmd_pdu(priv, REPLY_ERROR, 0, 0, NULL); | |
2278 | ||
2279 | mutex_unlock(&priv->mutex); | |
2280 | ||
2281 | iwlwifi_mod_params.fw_restart = fw_restart; | |
2282 | ||
2283 | return count; | |
2284 | } | |
2285 | ||
2286 | DEBUGFS_READ_FILE_OPS(ucode_rx_stats); | |
2287 | DEBUGFS_READ_FILE_OPS(ucode_tx_stats); | |
2288 | DEBUGFS_READ_FILE_OPS(ucode_general_stats); | |
2289 | DEBUGFS_READ_FILE_OPS(sensitivity); | |
2290 | DEBUGFS_READ_FILE_OPS(chain_noise); | |
2291 | DEBUGFS_READ_FILE_OPS(power_save_status); | |
2292 | DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); | |
2293 | DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); | |
2294 | DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); | |
2295 | DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); | |
2296 | DEBUGFS_READ_WRITE_FILE_OPS(rf_reset); | |
2297 | DEBUGFS_READ_FILE_OPS(rxon_flags); | |
2298 | DEBUGFS_READ_FILE_OPS(rxon_filter_flags); | |
2299 | DEBUGFS_WRITE_FILE_OPS(txfifo_flush); | |
2300 | DEBUGFS_READ_FILE_OPS(ucode_bt_stats); | |
2301 | DEBUGFS_READ_FILE_OPS(bt_traffic); | |
2302 | DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); | |
2303 | DEBUGFS_READ_FILE_OPS(reply_tx_error); | |
2304 | DEBUGFS_WRITE_FILE_OPS(echo_test); | |
2305 | DEBUGFS_WRITE_FILE_OPS(fw_restart); | |
2306 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2307 | DEBUGFS_READ_WRITE_FILE_OPS(log_event); | |
2308 | #endif | |
2309 | DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled); | |
2310 | ||
2311 | /* | |
2312 | * Create the debugfs files and directories | |
2313 | * | |
2314 | */ | |
2315 | void iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir) | |
2316 | { | |
2317 | struct dentry *dir_data, *dir_rf, *dir_debug; | |
2318 | ||
2319 | priv->debugfs_dir = dbgfs_dir; | |
2320 | ||
2321 | dir_data = debugfs_create_dir("data", dbgfs_dir); | |
2322 | dir_rf = debugfs_create_dir("rf", dbgfs_dir); | |
2323 | dir_debug = debugfs_create_dir("debug", dbgfs_dir); | |
2324 | ||
2325 | DEBUGFS_ADD_FILE(nvm, dir_data, 0400); | |
2326 | DEBUGFS_ADD_FILE(sram, dir_data, 0600); | |
2327 | DEBUGFS_ADD_FILE(wowlan_sram, dir_data, 0400); | |
2328 | DEBUGFS_ADD_FILE(stations, dir_data, 0400); | |
2329 | DEBUGFS_ADD_FILE(channels, dir_data, 0400); | |
2330 | DEBUGFS_ADD_FILE(status, dir_data, 0400); | |
2331 | DEBUGFS_ADD_FILE(rx_handlers, dir_data, 0600); | |
2332 | DEBUGFS_ADD_FILE(qos, dir_data, 0400); | |
2333 | DEBUGFS_ADD_FILE(sleep_level_override, dir_data, 0600); | |
2334 | DEBUGFS_ADD_FILE(current_sleep_command, dir_data, 0400); | |
2335 | DEBUGFS_ADD_FILE(thermal_throttling, dir_data, 0400); | |
2336 | DEBUGFS_ADD_FILE(disable_ht40, dir_data, 0600); | |
2337 | DEBUGFS_ADD_FILE(temperature, dir_data, 0400); | |
2338 | ||
2339 | DEBUGFS_ADD_FILE(power_save_status, dir_debug, 0400); | |
2340 | DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, 0200); | |
2341 | DEBUGFS_ADD_FILE(missed_beacon, dir_debug, 0200); | |
2342 | DEBUGFS_ADD_FILE(plcp_delta, dir_debug, 0600); | |
2343 | DEBUGFS_ADD_FILE(rf_reset, dir_debug, 0600); | |
2344 | DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, 0400); | |
2345 | DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, 0400); | |
2346 | DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, 0400); | |
2347 | DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, 0200); | |
2348 | DEBUGFS_ADD_FILE(protection_mode, dir_debug, 0600); | |
2349 | DEBUGFS_ADD_FILE(sensitivity, dir_debug, 0400); | |
2350 | DEBUGFS_ADD_FILE(chain_noise, dir_debug, 0400); | |
2351 | DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, 0600); | |
2352 | DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, 0400); | |
2353 | DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, 0400); | |
2354 | DEBUGFS_ADD_FILE(rxon_flags, dir_debug, 0200); | |
2355 | DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, 0200); | |
2356 | DEBUGFS_ADD_FILE(echo_test, dir_debug, 0200); | |
2357 | DEBUGFS_ADD_FILE(fw_restart, dir_debug, 0200); | |
2358 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2359 | DEBUGFS_ADD_FILE(log_event, dir_debug, 0600); | |
2360 | #endif | |
2361 | ||
2362 | if (iwl_advanced_bt_coexist(priv)) | |
2363 | DEBUGFS_ADD_FILE(bt_traffic, dir_debug, 0400); | |
2364 | ||
2365 | /* Calibrations disabled/enabled status*/ | |
2366 | DEBUGFS_ADD_FILE(calib_disabled, dir_rf, 0600); | |
2367 | ||
2368 | /* | |
2369 | * Create a symlink with mac80211. This is not very robust, as it does | |
2370 | * not remove the symlink created. The implicit assumption is that | |
2371 | * when the opmode exits, mac80211 will also exit, and will remove | |
2372 | * this symlink as part of its cleanup. | |
2373 | */ | |
2374 | if (priv->mac80211_registered) { | |
2375 | char buf[100]; | |
2376 | struct dentry *mac80211_dir, *dev_dir; | |
2377 | ||
2378 | dev_dir = dbgfs_dir->d_parent; | |
2379 | mac80211_dir = priv->hw->wiphy->debugfsdir; | |
2380 | ||
2381 | snprintf(buf, 100, "../../%pd2", dev_dir); | |
2382 | ||
2383 | debugfs_create_symlink("iwlwifi", mac80211_dir, buf); | |
2384 | } | |
2385 | } |