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712b6cf5 TW |
1 | /****************************************************************************** |
2 | * | |
3 | * GPL LICENSE SUMMARY | |
4 | * | |
01f8162a | 5 | * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved. |
712b6cf5 TW |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of version 2 of the GNU General Public License as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
19 | * USA | |
20 | * | |
21 | * The full GNU General Public License is included in this distribution | |
22 | * in the file called LICENSE.GPL. | |
23 | * | |
24 | * Contact Information: | |
759ef89f | 25 | * Intel Linux Wireless <ilw@linux.intel.com> |
712b6cf5 TW |
26 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
27 | *****************************************************************************/ | |
28 | ||
29 | #include <linux/kernel.h> | |
30 | #include <linux/module.h> | |
31 | #include <linux/debugfs.h> | |
32 | ||
33 | #include <linux/ieee80211.h> | |
34 | #include <net/mac80211.h> | |
35 | ||
36 | ||
3e0d4cb1 | 37 | #include "iwl-dev.h" |
712b6cf5 | 38 | #include "iwl-debug.h" |
fee1247a | 39 | #include "iwl-core.h" |
3395f6e9 | 40 | #include "iwl-io.h" |
712b6cf5 TW |
41 | |
42 | ||
43 | /* create and remove of files */ | |
44 | #define DEBUGFS_ADD_DIR(name, parent) do { \ | |
45 | dbgfs->dir_##name = debugfs_create_dir(#name, parent); \ | |
46 | if (!(dbgfs->dir_##name)) \ | |
47 | goto err; \ | |
48 | } while (0) | |
49 | ||
50 | #define DEBUGFS_ADD_FILE(name, parent) do { \ | |
51 | dbgfs->dbgfs_##parent##_files.file_##name = \ | |
52 | debugfs_create_file(#name, 0644, dbgfs->dir_##parent, priv, \ | |
53 | &iwl_dbgfs_##name##_ops); \ | |
54 | if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \ | |
55 | goto err; \ | |
56 | } while (0) | |
57 | ||
445c2dff TW |
58 | #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ |
59 | dbgfs->dbgfs_##parent##_files.file_##name = \ | |
60 | debugfs_create_bool(#name, 0644, dbgfs->dir_##parent, ptr); \ | |
9b24001d Z |
61 | if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \ |
62 | || !dbgfs->dbgfs_##parent##_files.file_##name) \ | |
445c2dff TW |
63 | goto err; \ |
64 | } while (0) | |
65 | ||
2ddfa129 WT |
66 | #define DEBUGFS_ADD_X32(name, parent, ptr) do { \ |
67 | dbgfs->dbgfs_##parent##_files.file_##name = \ | |
68 | debugfs_create_x32(#name, 0444, dbgfs->dir_##parent, ptr); \ | |
69 | if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \ | |
70 | || !dbgfs->dbgfs_##parent##_files.file_##name) \ | |
71 | goto err; \ | |
72 | } while (0) | |
73 | ||
712b6cf5 TW |
74 | #define DEBUGFS_REMOVE(name) do { \ |
75 | debugfs_remove(name); \ | |
76 | name = NULL; \ | |
77 | } while (0); | |
78 | ||
79 | /* file operation */ | |
80 | #define DEBUGFS_READ_FUNC(name) \ | |
81 | static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ | |
82 | char __user *user_buf, \ | |
83 | size_t count, loff_t *ppos); | |
84 | ||
85 | #define DEBUGFS_WRITE_FUNC(name) \ | |
86 | static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ | |
87 | const char __user *user_buf, \ | |
88 | size_t count, loff_t *ppos); | |
89 | ||
90 | ||
91 | static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) | |
92 | { | |
93 | file->private_data = inode->i_private; | |
94 | return 0; | |
95 | } | |
96 | ||
97 | #define DEBUGFS_READ_FILE_OPS(name) \ | |
98 | DEBUGFS_READ_FUNC(name); \ | |
99 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
100 | .read = iwl_dbgfs_##name##_read, \ | |
101 | .open = iwl_dbgfs_open_file_generic, \ | |
102 | }; | |
103 | ||
189a2b59 EK |
104 | #define DEBUGFS_WRITE_FILE_OPS(name) \ |
105 | DEBUGFS_WRITE_FUNC(name); \ | |
106 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
107 | .write = iwl_dbgfs_##name##_write, \ | |
108 | .open = iwl_dbgfs_open_file_generic, \ | |
109 | }; | |
110 | ||
111 | ||
712b6cf5 TW |
112 | #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ |
113 | DEBUGFS_READ_FUNC(name); \ | |
114 | DEBUGFS_WRITE_FUNC(name); \ | |
115 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
116 | .write = iwl_dbgfs_##name##_write, \ | |
117 | .read = iwl_dbgfs_##name##_read, \ | |
118 | .open = iwl_dbgfs_open_file_generic, \ | |
119 | }; | |
120 | ||
121 | ||
122 | static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, | |
123 | char __user *user_buf, | |
124 | size_t count, loff_t *ppos) { | |
125 | ||
126 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
127 | char buf[256]; | |
128 | int pos = 0; | |
db0589f3 | 129 | const size_t bufsz = sizeof(buf); |
712b6cf5 | 130 | |
db0589f3 AK |
131 | pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n", |
132 | priv->tx_stats[0].cnt); | |
133 | pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n", | |
134 | priv->tx_stats[1].cnt); | |
135 | pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n", | |
136 | priv->tx_stats[2].cnt); | |
712b6cf5 TW |
137 | |
138 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
139 | } | |
140 | ||
141 | static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, | |
142 | char __user *user_buf, | |
143 | size_t count, loff_t *ppos) { | |
144 | ||
145 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
146 | char buf[256]; | |
147 | int pos = 0; | |
db0589f3 | 148 | const size_t bufsz = sizeof(buf); |
712b6cf5 | 149 | |
db0589f3 AK |
150 | pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n", |
151 | priv->rx_stats[0].cnt); | |
152 | pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n", | |
153 | priv->rx_stats[1].cnt); | |
154 | pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n", | |
155 | priv->rx_stats[2].cnt); | |
712b6cf5 TW |
156 | |
157 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
158 | } | |
159 | ||
160 | #define BYTE1_MASK 0x000000ff; | |
161 | #define BYTE2_MASK 0x0000ffff; | |
162 | #define BYTE3_MASK 0x00ffffff; | |
163 | static ssize_t iwl_dbgfs_sram_read(struct file *file, | |
164 | char __user *user_buf, | |
165 | size_t count, loff_t *ppos) | |
166 | { | |
167 | u32 val; | |
168 | char buf[1024]; | |
169 | ssize_t ret; | |
170 | int i; | |
171 | int pos = 0; | |
172 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
db0589f3 | 173 | const size_t bufsz = sizeof(buf); |
712b6cf5 | 174 | |
712b6cf5 | 175 | for (i = priv->dbgfs->sram_len; i > 0; i -= 4) { |
3395f6e9 | 176 | val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \ |
712b6cf5 TW |
177 | priv->dbgfs->sram_len - i); |
178 | if (i < 4) { | |
179 | switch (i) { | |
180 | case 1: | |
181 | val &= BYTE1_MASK; | |
182 | break; | |
183 | case 2: | |
184 | val &= BYTE2_MASK; | |
185 | break; | |
186 | case 3: | |
187 | val &= BYTE3_MASK; | |
188 | break; | |
189 | } | |
190 | } | |
db0589f3 | 191 | pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); |
712b6cf5 | 192 | } |
db0589f3 | 193 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
712b6cf5 TW |
194 | |
195 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
196 | return ret; | |
197 | } | |
198 | ||
199 | static ssize_t iwl_dbgfs_sram_write(struct file *file, | |
200 | const char __user *user_buf, | |
201 | size_t count, loff_t *ppos) | |
202 | { | |
203 | struct iwl_priv *priv = file->private_data; | |
204 | char buf[64]; | |
205 | int buf_size; | |
206 | u32 offset, len; | |
207 | ||
208 | memset(buf, 0, sizeof(buf)); | |
209 | buf_size = min(count, sizeof(buf) - 1); | |
210 | if (copy_from_user(buf, user_buf, buf_size)) | |
211 | return -EFAULT; | |
212 | ||
213 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { | |
214 | priv->dbgfs->sram_offset = offset; | |
215 | priv->dbgfs->sram_len = len; | |
216 | } else { | |
217 | priv->dbgfs->sram_offset = 0; | |
218 | priv->dbgfs->sram_len = 0; | |
219 | } | |
220 | ||
221 | return count; | |
222 | } | |
223 | ||
224 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, | |
225 | size_t count, loff_t *ppos) | |
226 | { | |
227 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
6def9761 | 228 | struct iwl_station_entry *station; |
5425e490 | 229 | int max_sta = priv->hw_params.max_stations; |
712b6cf5 TW |
230 | char *buf; |
231 | int i, j, pos = 0; | |
232 | ssize_t ret; | |
233 | /* Add 30 for initial string */ | |
234 | const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); | |
712b6cf5 TW |
235 | |
236 | buf = kmalloc(bufsz, GFP_KERNEL); | |
3ac7f146 | 237 | if (!buf) |
712b6cf5 TW |
238 | return -ENOMEM; |
239 | ||
db0589f3 | 240 | pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", |
712b6cf5 TW |
241 | priv->num_stations); |
242 | ||
243 | for (i = 0; i < max_sta; i++) { | |
244 | station = &priv->stations[i]; | |
245 | if (station->used) { | |
db0589f3 AK |
246 | pos += scnprintf(buf + pos, bufsz - pos, |
247 | "station %d:\ngeneral data:\n", i+1); | |
db0589f3 | 248 | pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n", |
712b6cf5 | 249 | station->sta.sta.sta_id); |
db0589f3 | 250 | pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n", |
712b6cf5 | 251 | station->sta.mode); |
db0589f3 AK |
252 | pos += scnprintf(buf + pos, bufsz - pos, |
253 | "flags: 0x%x\n", | |
712b6cf5 | 254 | station->sta.station_flags_msk); |
db0589f3 AK |
255 | pos += scnprintf(buf + pos, bufsz - pos, |
256 | "ps_status: %u\n", station->ps_status); | |
257 | pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n"); | |
258 | pos += scnprintf(buf + pos, bufsz - pos, | |
344234de | 259 | "seq_num\t\ttxq_id"); |
db0589f3 | 260 | pos += scnprintf(buf + pos, bufsz - pos, |
344234de | 261 | "\tframe_count\twait_for_ba\t"); |
db0589f3 AK |
262 | pos += scnprintf(buf + pos, bufsz - pos, |
263 | "start_idx\tbitmap0\t"); | |
264 | pos += scnprintf(buf + pos, bufsz - pos, | |
344234de | 265 | "bitmap1\trate_n_flags"); |
344234de | 266 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
712b6cf5 TW |
267 | |
268 | for (j = 0; j < MAX_TID_COUNT; j++) { | |
db0589f3 | 269 | pos += scnprintf(buf + pos, bufsz - pos, |
344234de | 270 | "[%d]:\t\t%u", j, |
db0589f3 AK |
271 | station->tid[j].seq_number); |
272 | pos += scnprintf(buf + pos, bufsz - pos, | |
344234de | 273 | "\t%u\t\t%u\t\t%u\t\t", |
712b6cf5 TW |
274 | station->tid[j].agg.txq_id, |
275 | station->tid[j].agg.frame_count, | |
276 | station->tid[j].agg.wait_for_ba); | |
db0589f3 | 277 | pos += scnprintf(buf + pos, bufsz - pos, |
344234de | 278 | "%u\t%llu\t%u", |
712b6cf5 | 279 | station->tid[j].agg.start_idx, |
16788599 | 280 | (unsigned long long)station->tid[j].agg.bitmap, |
712b6cf5 | 281 | station->tid[j].agg.rate_n_flags); |
344234de | 282 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
712b6cf5 | 283 | } |
db0589f3 | 284 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
712b6cf5 TW |
285 | } |
286 | } | |
287 | ||
288 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
289 | kfree(buf); | |
290 | return ret; | |
291 | } | |
292 | ||
0848e297 | 293 | static ssize_t iwl_dbgfs_nvm_read(struct file *file, |
8dd266ef TW |
294 | char __user *user_buf, |
295 | size_t count, | |
296 | loff_t *ppos) | |
297 | { | |
298 | ssize_t ret; | |
299 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
300 | int pos = 0, ofs = 0, buf_size = 0; | |
301 | const u8 *ptr; | |
302 | char *buf; | |
303 | size_t eeprom_len = priv->cfg->eeprom_size; | |
304 | buf_size = 4 * eeprom_len + 256; | |
305 | ||
306 | if (eeprom_len % 16) { | |
0848e297 | 307 | IWL_ERR(priv, "NVM size is not multiple of 16.\n"); |
8dd266ef TW |
308 | return -ENODATA; |
309 | } | |
310 | ||
311 | /* 4 characters for byte 0xYY */ | |
312 | buf = kzalloc(buf_size, GFP_KERNEL); | |
313 | if (!buf) { | |
15b1687c | 314 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
8dd266ef TW |
315 | return -ENOMEM; |
316 | } | |
317 | ||
318 | ptr = priv->eeprom; | |
0848e297 WYG |
319 | if (!ptr) { |
320 | IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); | |
321 | return -ENOMEM; | |
322 | } | |
323 | pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n", | |
324 | (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) | |
325 | ? "OTP" : "EEPROM"); | |
8dd266ef TW |
326 | for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { |
327 | pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); | |
328 | hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, | |
329 | buf_size - pos, 0); | |
330 | pos += strlen(buf); | |
331 | if (buf_size - pos > 0) | |
332 | buf[pos++] = '\n'; | |
333 | } | |
334 | ||
335 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
336 | kfree(buf); | |
337 | return ret; | |
338 | } | |
712b6cf5 | 339 | |
189a2b59 EK |
340 | static ssize_t iwl_dbgfs_log_event_write(struct file *file, |
341 | const char __user *user_buf, | |
342 | size_t count, loff_t *ppos) | |
343 | { | |
344 | struct iwl_priv *priv = file->private_data; | |
345 | u32 event_log_flag; | |
346 | char buf[8]; | |
347 | int buf_size; | |
348 | ||
349 | memset(buf, 0, sizeof(buf)); | |
350 | buf_size = min(count, sizeof(buf) - 1); | |
351 | if (copy_from_user(buf, user_buf, buf_size)) | |
352 | return -EFAULT; | |
353 | if (sscanf(buf, "%d", &event_log_flag) != 1) | |
354 | return -EFAULT; | |
355 | if (event_log_flag == 1) | |
356 | iwl_dump_nic_event_log(priv); | |
357 | ||
358 | return count; | |
359 | } | |
360 | ||
d366df5a WT |
361 | |
362 | ||
363 | static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, | |
364 | size_t count, loff_t *ppos) | |
365 | { | |
366 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
367 | struct ieee80211_channel *channels = NULL; | |
368 | const struct ieee80211_supported_band *supp_band = NULL; | |
369 | int pos = 0, i, bufsz = PAGE_SIZE; | |
370 | char *buf; | |
371 | ssize_t ret; | |
372 | ||
373 | if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) | |
374 | return -EAGAIN; | |
375 | ||
376 | buf = kzalloc(bufsz, GFP_KERNEL); | |
377 | if (!buf) { | |
15b1687c | 378 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
d366df5a WT |
379 | return -ENOMEM; |
380 | } | |
381 | ||
382 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); | |
a2e2322d WYG |
383 | if (supp_band) { |
384 | channels = supp_band->channels; | |
d366df5a | 385 | |
d366df5a | 386 | pos += scnprintf(buf + pos, bufsz - pos, |
a2e2322d WYG |
387 | "Displaying %d channels in 2.4GHz band 802.11bg):\n", |
388 | supp_band->n_channels); | |
d366df5a | 389 | |
a2e2322d WYG |
390 | for (i = 0; i < supp_band->n_channels; i++) |
391 | pos += scnprintf(buf + pos, bufsz - pos, | |
392 | "%d: %ddBm: BSS%s%s, %s.\n", | |
393 | ieee80211_frequency_to_channel( | |
394 | channels[i].center_freq), | |
395 | channels[i].max_power, | |
396 | channels[i].flags & IEEE80211_CHAN_RADAR ? | |
397 | " (IEEE 802.11h required)" : "", | |
398 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) | |
399 | || (channels[i].flags & | |
400 | IEEE80211_CHAN_RADAR)) ? "" : | |
401 | ", IBSS", | |
402 | channels[i].flags & | |
403 | IEEE80211_CHAN_PASSIVE_SCAN ? | |
404 | "passive only" : "active/passive"); | |
405 | } | |
d366df5a | 406 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); |
a2e2322d WYG |
407 | if (supp_band) { |
408 | channels = supp_band->channels; | |
d366df5a | 409 | |
d366df5a | 410 | pos += scnprintf(buf + pos, bufsz - pos, |
a2e2322d WYG |
411 | "Displaying %d channels in 5.2GHz band (802.11a)\n", |
412 | supp_band->n_channels); | |
413 | ||
414 | for (i = 0; i < supp_band->n_channels; i++) | |
415 | pos += scnprintf(buf + pos, bufsz - pos, | |
416 | "%d: %ddBm: BSS%s%s, %s.\n", | |
417 | ieee80211_frequency_to_channel( | |
418 | channels[i].center_freq), | |
419 | channels[i].max_power, | |
420 | channels[i].flags & IEEE80211_CHAN_RADAR ? | |
421 | " (IEEE 802.11h required)" : "", | |
422 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) | |
423 | || (channels[i].flags & | |
424 | IEEE80211_CHAN_RADAR)) ? "" : | |
425 | ", IBSS", | |
426 | channels[i].flags & | |
427 | IEEE80211_CHAN_PASSIVE_SCAN ? | |
428 | "passive only" : "active/passive"); | |
429 | } | |
d366df5a WT |
430 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
431 | kfree(buf); | |
432 | return ret; | |
433 | } | |
434 | ||
08df05aa WYG |
435 | static ssize_t iwl_dbgfs_status_read(struct file *file, |
436 | char __user *user_buf, | |
437 | size_t count, loff_t *ppos) { | |
438 | ||
439 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
440 | char buf[512]; | |
441 | int pos = 0; | |
442 | const size_t bufsz = sizeof(buf); | |
443 | ||
444 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", | |
445 | test_bit(STATUS_HCMD_ACTIVE, &priv->status)); | |
446 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n", | |
447 | test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)); | |
448 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", | |
449 | test_bit(STATUS_INT_ENABLED, &priv->status)); | |
450 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", | |
451 | test_bit(STATUS_RF_KILL_HW, &priv->status)); | |
08df05aa WYG |
452 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", |
453 | test_bit(STATUS_INIT, &priv->status)); | |
454 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", | |
455 | test_bit(STATUS_ALIVE, &priv->status)); | |
456 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", | |
457 | test_bit(STATUS_READY, &priv->status)); | |
458 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", | |
459 | test_bit(STATUS_TEMPERATURE, &priv->status)); | |
460 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", | |
461 | test_bit(STATUS_GEO_CONFIGURED, &priv->status)); | |
462 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", | |
463 | test_bit(STATUS_EXIT_PENDING, &priv->status)); | |
08df05aa WYG |
464 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", |
465 | test_bit(STATUS_STATISTICS, &priv->status)); | |
466 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", | |
467 | test_bit(STATUS_SCANNING, &priv->status)); | |
468 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", | |
469 | test_bit(STATUS_SCAN_ABORTING, &priv->status)); | |
470 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", | |
471 | test_bit(STATUS_SCAN_HW, &priv->status)); | |
472 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", | |
473 | test_bit(STATUS_POWER_PMI, &priv->status)); | |
474 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", | |
475 | test_bit(STATUS_FW_ERROR, &priv->status)); | |
476 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n", | |
477 | test_bit(STATUS_MODE_PENDING, &priv->status)); | |
478 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
479 | } | |
480 | ||
a83b9141 WYG |
481 | static ssize_t iwl_dbgfs_interrupt_read(struct file *file, |
482 | char __user *user_buf, | |
483 | size_t count, loff_t *ppos) { | |
484 | ||
485 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
486 | int pos = 0; | |
487 | int cnt = 0; | |
488 | char *buf; | |
489 | int bufsz = 24 * 64; /* 24 items * 64 char per item */ | |
490 | ssize_t ret; | |
491 | ||
492 | buf = kzalloc(bufsz, GFP_KERNEL); | |
493 | if (!buf) { | |
494 | IWL_ERR(priv, "Can not allocate Buffer\n"); | |
495 | return -ENOMEM; | |
496 | } | |
497 | ||
498 | pos += scnprintf(buf + pos, bufsz - pos, | |
499 | "Interrupt Statistics Report:\n"); | |
500 | ||
501 | pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", | |
502 | priv->isr_stats.hw); | |
503 | pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", | |
504 | priv->isr_stats.sw); | |
505 | if (priv->isr_stats.sw > 0) { | |
506 | pos += scnprintf(buf + pos, bufsz - pos, | |
507 | "\tLast Restarting Code: 0x%X\n", | |
508 | priv->isr_stats.sw_err); | |
509 | } | |
510 | #ifdef CONFIG_IWLWIFI_DEBUG | |
511 | pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", | |
512 | priv->isr_stats.sch); | |
513 | pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", | |
514 | priv->isr_stats.alive); | |
515 | #endif | |
516 | pos += scnprintf(buf + pos, bufsz - pos, | |
517 | "HW RF KILL switch toggled:\t %u\n", | |
518 | priv->isr_stats.rfkill); | |
519 | ||
520 | pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", | |
521 | priv->isr_stats.ctkill); | |
522 | ||
523 | pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", | |
524 | priv->isr_stats.wakeup); | |
525 | ||
526 | pos += scnprintf(buf + pos, bufsz - pos, | |
527 | "Rx command responses:\t\t %u\n", | |
528 | priv->isr_stats.rx); | |
529 | for (cnt = 0; cnt < REPLY_MAX; cnt++) { | |
530 | if (priv->isr_stats.rx_handlers[cnt] > 0) | |
531 | pos += scnprintf(buf + pos, bufsz - pos, | |
532 | "\tRx handler[%36s]:\t\t %u\n", | |
533 | get_cmd_string(cnt), | |
534 | priv->isr_stats.rx_handlers[cnt]); | |
535 | } | |
536 | ||
537 | pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", | |
538 | priv->isr_stats.tx); | |
539 | ||
540 | pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", | |
541 | priv->isr_stats.unhandled); | |
542 | ||
543 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
544 | kfree(buf); | |
545 | return ret; | |
546 | } | |
547 | ||
548 | static ssize_t iwl_dbgfs_interrupt_write(struct file *file, | |
549 | const char __user *user_buf, | |
550 | size_t count, loff_t *ppos) | |
551 | { | |
552 | struct iwl_priv *priv = file->private_data; | |
553 | char buf[8]; | |
554 | int buf_size; | |
555 | u32 reset_flag; | |
556 | ||
557 | memset(buf, 0, sizeof(buf)); | |
558 | buf_size = min(count, sizeof(buf) - 1); | |
559 | if (copy_from_user(buf, user_buf, buf_size)) | |
560 | return -EFAULT; | |
561 | if (sscanf(buf, "%x", &reset_flag) != 1) | |
562 | return -EFAULT; | |
563 | if (reset_flag == 0) | |
564 | iwl_clear_isr_stats(priv); | |
565 | ||
566 | return count; | |
567 | } | |
568 | ||
569 | ||
712b6cf5 | 570 | DEBUGFS_READ_WRITE_FILE_OPS(sram); |
189a2b59 | 571 | DEBUGFS_WRITE_FILE_OPS(log_event); |
0848e297 | 572 | DEBUGFS_READ_FILE_OPS(nvm); |
712b6cf5 TW |
573 | DEBUGFS_READ_FILE_OPS(stations); |
574 | DEBUGFS_READ_FILE_OPS(rx_statistics); | |
575 | DEBUGFS_READ_FILE_OPS(tx_statistics); | |
d366df5a | 576 | DEBUGFS_READ_FILE_OPS(channels); |
08df05aa | 577 | DEBUGFS_READ_FILE_OPS(status); |
a83b9141 | 578 | DEBUGFS_READ_WRITE_FILE_OPS(interrupt); |
712b6cf5 TW |
579 | |
580 | /* | |
581 | * Create the debugfs files and directories | |
582 | * | |
583 | */ | |
584 | int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) | |
585 | { | |
586 | struct iwl_debugfs *dbgfs; | |
95b1a822 | 587 | struct dentry *phyd = priv->hw->wiphy->debugfsdir; |
3ac7f146 | 588 | int ret = 0; |
712b6cf5 TW |
589 | |
590 | dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL); | |
591 | if (!dbgfs) { | |
3ac7f146 | 592 | ret = -ENOMEM; |
712b6cf5 TW |
593 | goto err; |
594 | } | |
595 | ||
596 | priv->dbgfs = dbgfs; | |
597 | dbgfs->name = name; | |
95b1a822 | 598 | dbgfs->dir_drv = debugfs_create_dir(name, phyd); |
3ac7f146 TW |
599 | if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) { |
600 | ret = -ENOENT; | |
712b6cf5 TW |
601 | goto err; |
602 | } | |
603 | ||
604 | DEBUGFS_ADD_DIR(data, dbgfs->dir_drv); | |
445c2dff | 605 | DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv); |
0848e297 | 606 | DEBUGFS_ADD_FILE(nvm, data); |
712b6cf5 | 607 | DEBUGFS_ADD_FILE(sram, data); |
189a2b59 | 608 | DEBUGFS_ADD_FILE(log_event, data); |
712b6cf5 TW |
609 | DEBUGFS_ADD_FILE(stations, data); |
610 | DEBUGFS_ADD_FILE(rx_statistics, data); | |
611 | DEBUGFS_ADD_FILE(tx_statistics, data); | |
d366df5a | 612 | DEBUGFS_ADD_FILE(channels, data); |
08df05aa | 613 | DEBUGFS_ADD_FILE(status, data); |
a83b9141 | 614 | DEBUGFS_ADD_FILE(interrupt, data); |
445c2dff TW |
615 | DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal); |
616 | DEBUGFS_ADD_BOOL(disable_chain_noise, rf, | |
617 | &priv->disable_chain_noise_cal); | |
203566f3 | 618 | DEBUGFS_ADD_BOOL(disable_tx_power, rf, &priv->disable_tx_power_cal); |
712b6cf5 TW |
619 | return 0; |
620 | ||
621 | err: | |
15b1687c | 622 | IWL_ERR(priv, "Can't open the debugfs directory\n"); |
712b6cf5 | 623 | iwl_dbgfs_unregister(priv); |
3ac7f146 | 624 | return ret; |
712b6cf5 TW |
625 | } |
626 | EXPORT_SYMBOL(iwl_dbgfs_register); | |
627 | ||
628 | /** | |
629 | * Remove the debugfs files and directories | |
630 | * | |
631 | */ | |
632 | void iwl_dbgfs_unregister(struct iwl_priv *priv) | |
633 | { | |
3ac7f146 | 634 | if (!priv->dbgfs) |
712b6cf5 TW |
635 | return; |
636 | ||
0848e297 | 637 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm); |
712b6cf5 TW |
638 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_rx_statistics); |
639 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_tx_statistics); | |
640 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram); | |
189a2b59 | 641 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event); |
712b6cf5 | 642 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations); |
d366df5a | 643 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels); |
08df05aa | 644 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status); |
a83b9141 | 645 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt); |
712b6cf5 | 646 | DEBUGFS_REMOVE(priv->dbgfs->dir_data); |
445c2dff TW |
647 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity); |
648 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise); | |
203566f3 | 649 | DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power); |
445c2dff | 650 | DEBUGFS_REMOVE(priv->dbgfs->dir_rf); |
712b6cf5 TW |
651 | DEBUGFS_REMOVE(priv->dbgfs->dir_drv); |
652 | kfree(priv->dbgfs); | |
653 | priv->dbgfs = NULL; | |
654 | } | |
655 | EXPORT_SYMBOL(iwl_dbgfs_unregister); | |
656 | ||
657 | ||
445c2dff | 658 |