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712b6cf5 TW |
1 | /****************************************************************************** |
2 | * | |
3 | * GPL LICENSE SUMMARY | |
4 | * | |
1f447808 | 5 | * Copyright(c) 2008 - 2010 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 | ||
5a0e3ad6 | 29 | #include <linux/slab.h> |
712b6cf5 TW |
30 | #include <linux/kernel.h> |
31 | #include <linux/module.h> | |
32 | #include <linux/debugfs.h> | |
33 | ||
34 | #include <linux/ieee80211.h> | |
35 | #include <net/mac80211.h> | |
36 | ||
37 | ||
3e0d4cb1 | 38 | #include "iwl-dev.h" |
712b6cf5 | 39 | #include "iwl-debug.h" |
fee1247a | 40 | #include "iwl-core.h" |
3395f6e9 | 41 | #include "iwl-io.h" |
5225935b | 42 | #include "iwl-calib.h" |
712b6cf5 TW |
43 | |
44 | /* create and remove of files */ | |
4c84a8f1 JB |
45 | #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ |
46 | if (!debugfs_create_file(#name, mode, parent, priv, \ | |
47 | &iwl_dbgfs_##name##_ops)) \ | |
48 | goto err; \ | |
712b6cf5 TW |
49 | } while (0) |
50 | ||
4c84a8f1 JB |
51 | #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \ |
52 | struct dentry *__tmp; \ | |
53 | __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \ | |
54 | parent, ptr); \ | |
55 | if (IS_ERR(__tmp) || !__tmp) \ | |
56 | goto err; \ | |
712b6cf5 TW |
57 | } while (0) |
58 | ||
4c84a8f1 JB |
59 | #define DEBUGFS_ADD_X32(name, parent, ptr) do { \ |
60 | struct dentry *__tmp; \ | |
61 | __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \ | |
62 | parent, ptr); \ | |
63 | if (IS_ERR(__tmp) || !__tmp) \ | |
64 | goto err; \ | |
445c2dff TW |
65 | } while (0) |
66 | ||
712b6cf5 TW |
67 | /* file operation */ |
68 | #define DEBUGFS_READ_FUNC(name) \ | |
69 | static ssize_t iwl_dbgfs_##name##_read(struct file *file, \ | |
70 | char __user *user_buf, \ | |
71 | size_t count, loff_t *ppos); | |
72 | ||
73 | #define DEBUGFS_WRITE_FUNC(name) \ | |
74 | static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ | |
75 | const char __user *user_buf, \ | |
76 | size_t count, loff_t *ppos); | |
77 | ||
78 | ||
79 | static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) | |
80 | { | |
81 | file->private_data = inode->i_private; | |
82 | return 0; | |
83 | } | |
84 | ||
85 | #define DEBUGFS_READ_FILE_OPS(name) \ | |
86 | DEBUGFS_READ_FUNC(name); \ | |
87 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
88 | .read = iwl_dbgfs_##name##_read, \ | |
89 | .open = iwl_dbgfs_open_file_generic, \ | |
90 | }; | |
91 | ||
189a2b59 EK |
92 | #define DEBUGFS_WRITE_FILE_OPS(name) \ |
93 | DEBUGFS_WRITE_FUNC(name); \ | |
94 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
95 | .write = iwl_dbgfs_##name##_write, \ | |
96 | .open = iwl_dbgfs_open_file_generic, \ | |
97 | }; | |
98 | ||
99 | ||
712b6cf5 TW |
100 | #define DEBUGFS_READ_WRITE_FILE_OPS(name) \ |
101 | DEBUGFS_READ_FUNC(name); \ | |
102 | DEBUGFS_WRITE_FUNC(name); \ | |
103 | static const struct file_operations iwl_dbgfs_##name##_ops = { \ | |
104 | .write = iwl_dbgfs_##name##_write, \ | |
105 | .read = iwl_dbgfs_##name##_read, \ | |
106 | .open = iwl_dbgfs_open_file_generic, \ | |
107 | }; | |
108 | ||
712b6cf5 TW |
109 | static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, |
110 | char __user *user_buf, | |
111 | size_t count, loff_t *ppos) { | |
112 | ||
28f63a4b | 113 | struct iwl_priv *priv = file->private_data; |
22fdf3c9 | 114 | char *buf; |
712b6cf5 TW |
115 | int pos = 0; |
116 | ||
22fdf3c9 WYG |
117 | int cnt; |
118 | ssize_t ret; | |
98a7b43b WYG |
119 | const size_t bufsz = 100 + |
120 | sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); | |
22fdf3c9 WYG |
121 | buf = kzalloc(bufsz, GFP_KERNEL); |
122 | if (!buf) | |
123 | return -ENOMEM; | |
124 | pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); | |
125 | for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { | |
126 | pos += scnprintf(buf + pos, bufsz - pos, | |
98a7b43b | 127 | "\t%25s\t\t: %u\n", |
22fdf3c9 WYG |
128 | get_mgmt_string(cnt), |
129 | priv->tx_stats.mgmt[cnt]); | |
130 | } | |
131 | pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); | |
132 | for (cnt = 0; cnt < CONTROL_MAX; cnt++) { | |
133 | pos += scnprintf(buf + pos, bufsz - pos, | |
98a7b43b | 134 | "\t%25s\t\t: %u\n", |
22fdf3c9 WYG |
135 | get_ctrl_string(cnt), |
136 | priv->tx_stats.ctrl[cnt]); | |
137 | } | |
138 | pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); | |
139 | pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", | |
140 | priv->tx_stats.data_cnt); | |
141 | pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", | |
142 | priv->tx_stats.data_bytes); | |
143 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
144 | kfree(buf); | |
145 | return ret; | |
146 | } | |
147 | ||
7163b8a4 | 148 | static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file, |
22fdf3c9 WYG |
149 | const char __user *user_buf, |
150 | size_t count, loff_t *ppos) | |
151 | { | |
152 | struct iwl_priv *priv = file->private_data; | |
153 | u32 clear_flag; | |
154 | char buf[8]; | |
155 | int buf_size; | |
712b6cf5 | 156 | |
22fdf3c9 WYG |
157 | memset(buf, 0, sizeof(buf)); |
158 | buf_size = min(count, sizeof(buf) - 1); | |
159 | if (copy_from_user(buf, user_buf, buf_size)) | |
160 | return -EFAULT; | |
161 | if (sscanf(buf, "%x", &clear_flag) != 1) | |
162 | return -EFAULT; | |
7163b8a4 | 163 | iwl_clear_traffic_stats(priv); |
22fdf3c9 WYG |
164 | |
165 | return count; | |
712b6cf5 TW |
166 | } |
167 | ||
168 | static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, | |
169 | char __user *user_buf, | |
170 | size_t count, loff_t *ppos) { | |
171 | ||
28f63a4b | 172 | struct iwl_priv *priv = file->private_data; |
22fdf3c9 | 173 | char *buf; |
712b6cf5 | 174 | int pos = 0; |
22fdf3c9 WYG |
175 | int cnt; |
176 | ssize_t ret; | |
177 | const size_t bufsz = 100 + | |
98a7b43b | 178 | sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); |
22fdf3c9 WYG |
179 | buf = kzalloc(bufsz, GFP_KERNEL); |
180 | if (!buf) | |
181 | return -ENOMEM; | |
712b6cf5 | 182 | |
22fdf3c9 WYG |
183 | pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); |
184 | for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { | |
185 | pos += scnprintf(buf + pos, bufsz - pos, | |
98a7b43b | 186 | "\t%25s\t\t: %u\n", |
22fdf3c9 WYG |
187 | get_mgmt_string(cnt), |
188 | priv->rx_stats.mgmt[cnt]); | |
189 | } | |
190 | pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); | |
191 | for (cnt = 0; cnt < CONTROL_MAX; cnt++) { | |
192 | pos += scnprintf(buf + pos, bufsz - pos, | |
98a7b43b | 193 | "\t%25s\t\t: %u\n", |
22fdf3c9 WYG |
194 | get_ctrl_string(cnt), |
195 | priv->rx_stats.ctrl[cnt]); | |
196 | } | |
197 | pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); | |
198 | pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", | |
199 | priv->rx_stats.data_cnt); | |
200 | pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", | |
201 | priv->rx_stats.data_bytes); | |
712b6cf5 | 202 | |
22fdf3c9 WYG |
203 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
204 | kfree(buf); | |
205 | return ret; | |
206 | } | |
207 | ||
712b6cf5 TW |
208 | #define BYTE1_MASK 0x000000ff; |
209 | #define BYTE2_MASK 0x0000ffff; | |
210 | #define BYTE3_MASK 0x00ffffff; | |
211 | static ssize_t iwl_dbgfs_sram_read(struct file *file, | |
212 | char __user *user_buf, | |
213 | size_t count, loff_t *ppos) | |
214 | { | |
215 | u32 val; | |
2943f136 | 216 | char *buf; |
712b6cf5 TW |
217 | ssize_t ret; |
218 | int i; | |
219 | int pos = 0; | |
28f63a4b | 220 | struct iwl_priv *priv = file->private_data; |
2943f136 | 221 | size_t bufsz; |
712b6cf5 | 222 | |
5ade1e4d | 223 | /* default is to dump the entire data segment */ |
4c84a8f1 JB |
224 | if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { |
225 | priv->dbgfs_sram_offset = 0x800000; | |
5ade1e4d | 226 | if (priv->ucode_type == UCODE_INIT) |
4c84a8f1 | 227 | priv->dbgfs_sram_len = priv->ucode_init_data.len; |
5ade1e4d | 228 | else |
4c84a8f1 | 229 | priv->dbgfs_sram_len = priv->ucode_data.len; |
5ade1e4d | 230 | } |
4c84a8f1 | 231 | bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10; |
2943f136 WYG |
232 | buf = kmalloc(bufsz, GFP_KERNEL); |
233 | if (!buf) | |
234 | return -ENOMEM; | |
5ade1e4d | 235 | pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", |
4c84a8f1 | 236 | priv->dbgfs_sram_len); |
5ade1e4d | 237 | pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", |
4c84a8f1 JB |
238 | priv->dbgfs_sram_offset); |
239 | for (i = priv->dbgfs_sram_len; i > 0; i -= 4) { | |
240 | val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \ | |
241 | priv->dbgfs_sram_len - i); | |
712b6cf5 TW |
242 | if (i < 4) { |
243 | switch (i) { | |
244 | case 1: | |
245 | val &= BYTE1_MASK; | |
246 | break; | |
247 | case 2: | |
248 | val &= BYTE2_MASK; | |
249 | break; | |
250 | case 3: | |
251 | val &= BYTE3_MASK; | |
252 | break; | |
253 | } | |
254 | } | |
2943f136 WYG |
255 | if (!(i % 16)) |
256 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
db0589f3 | 257 | pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); |
712b6cf5 | 258 | } |
db0589f3 | 259 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
712b6cf5 TW |
260 | |
261 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2943f136 | 262 | kfree(buf); |
712b6cf5 TW |
263 | return ret; |
264 | } | |
265 | ||
266 | static ssize_t iwl_dbgfs_sram_write(struct file *file, | |
267 | const char __user *user_buf, | |
268 | size_t count, loff_t *ppos) | |
269 | { | |
270 | struct iwl_priv *priv = file->private_data; | |
271 | char buf[64]; | |
272 | int buf_size; | |
273 | u32 offset, len; | |
274 | ||
275 | memset(buf, 0, sizeof(buf)); | |
276 | buf_size = min(count, sizeof(buf) - 1); | |
277 | if (copy_from_user(buf, user_buf, buf_size)) | |
278 | return -EFAULT; | |
279 | ||
280 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { | |
4c84a8f1 JB |
281 | priv->dbgfs_sram_offset = offset; |
282 | priv->dbgfs_sram_len = len; | |
712b6cf5 | 283 | } else { |
4c84a8f1 JB |
284 | priv->dbgfs_sram_offset = 0; |
285 | priv->dbgfs_sram_len = 0; | |
712b6cf5 TW |
286 | } |
287 | ||
288 | return count; | |
289 | } | |
290 | ||
291 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, | |
292 | size_t count, loff_t *ppos) | |
293 | { | |
28f63a4b | 294 | struct iwl_priv *priv = file->private_data; |
6def9761 | 295 | struct iwl_station_entry *station; |
5425e490 | 296 | int max_sta = priv->hw_params.max_stations; |
712b6cf5 TW |
297 | char *buf; |
298 | int i, j, pos = 0; | |
299 | ssize_t ret; | |
300 | /* Add 30 for initial string */ | |
301 | const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); | |
712b6cf5 TW |
302 | |
303 | buf = kmalloc(bufsz, GFP_KERNEL); | |
3ac7f146 | 304 | if (!buf) |
712b6cf5 TW |
305 | return -ENOMEM; |
306 | ||
db0589f3 | 307 | pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", |
712b6cf5 TW |
308 | priv->num_stations); |
309 | ||
310 | for (i = 0; i < max_sta; i++) { | |
311 | station = &priv->stations[i]; | |
da73511d JB |
312 | if (!station->used) |
313 | continue; | |
314 | pos += scnprintf(buf + pos, bufsz - pos, | |
315 | "station %d - addr: %pM, flags: %#x\n", | |
316 | i, station->sta.sta.addr, | |
317 | station->sta.station_flags_msk); | |
318 | pos += scnprintf(buf + pos, bufsz - pos, | |
319 | "TID\tseq_num\ttxq_id\tframes\ttfds\t"); | |
320 | pos += scnprintf(buf + pos, bufsz - pos, | |
321 | "start_idx\tbitmap\t\t\trate_n_flags\n"); | |
712b6cf5 | 322 | |
da73511d JB |
323 | for (j = 0; j < MAX_TID_COUNT; j++) { |
324 | pos += scnprintf(buf + pos, bufsz - pos, | |
325 | "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x", | |
326 | j, station->tid[j].seq_number, | |
327 | station->tid[j].agg.txq_id, | |
328 | station->tid[j].agg.frame_count, | |
329 | station->tid[j].tfds_in_queue, | |
330 | station->tid[j].agg.start_idx, | |
331 | station->tid[j].agg.bitmap, | |
332 | station->tid[j].agg.rate_n_flags); | |
333 | ||
334 | if (station->tid[j].agg.wait_for_ba) | |
db0589f3 | 335 | pos += scnprintf(buf + pos, bufsz - pos, |
da73511d | 336 | " - waitforba"); |
db0589f3 | 337 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
712b6cf5 | 338 | } |
da73511d JB |
339 | |
340 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
712b6cf5 TW |
341 | } |
342 | ||
343 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
344 | kfree(buf); | |
345 | return ret; | |
346 | } | |
347 | ||
0848e297 | 348 | static ssize_t iwl_dbgfs_nvm_read(struct file *file, |
8dd266ef TW |
349 | char __user *user_buf, |
350 | size_t count, | |
351 | loff_t *ppos) | |
352 | { | |
353 | ssize_t ret; | |
28f63a4b | 354 | struct iwl_priv *priv = file->private_data; |
8dd266ef TW |
355 | int pos = 0, ofs = 0, buf_size = 0; |
356 | const u8 *ptr; | |
357 | char *buf; | |
e307ddce | 358 | u16 eeprom_ver; |
8dd266ef TW |
359 | size_t eeprom_len = priv->cfg->eeprom_size; |
360 | buf_size = 4 * eeprom_len + 256; | |
361 | ||
362 | if (eeprom_len % 16) { | |
0848e297 | 363 | IWL_ERR(priv, "NVM size is not multiple of 16.\n"); |
8dd266ef TW |
364 | return -ENODATA; |
365 | } | |
366 | ||
c37457e6 JL |
367 | ptr = priv->eeprom; |
368 | if (!ptr) { | |
369 | IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); | |
370 | return -ENOMEM; | |
371 | } | |
372 | ||
8dd266ef TW |
373 | /* 4 characters for byte 0xYY */ |
374 | buf = kzalloc(buf_size, GFP_KERNEL); | |
375 | if (!buf) { | |
15b1687c | 376 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
8dd266ef TW |
377 | return -ENOMEM; |
378 | } | |
e307ddce WYG |
379 | eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); |
380 | pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " | |
381 | "version: 0x%x\n", | |
0848e297 | 382 | (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) |
e307ddce | 383 | ? "OTP" : "EEPROM", eeprom_ver); |
8dd266ef TW |
384 | for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { |
385 | pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); | |
386 | hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, | |
387 | buf_size - pos, 0); | |
2fac9717 | 388 | pos += strlen(buf + pos); |
8dd266ef TW |
389 | if (buf_size - pos > 0) |
390 | buf[pos++] = '\n'; | |
391 | } | |
392 | ||
393 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
394 | kfree(buf); | |
395 | return ret; | |
396 | } | |
712b6cf5 | 397 | |
b03d7d0f WYG |
398 | static ssize_t iwl_dbgfs_log_event_read(struct file *file, |
399 | char __user *user_buf, | |
400 | size_t count, loff_t *ppos) | |
401 | { | |
402 | struct iwl_priv *priv = file->private_data; | |
403 | char *buf; | |
404 | int pos = 0; | |
405 | ssize_t ret = -ENOMEM; | |
406 | ||
937c397e WYG |
407 | ret = pos = priv->cfg->ops->lib->dump_nic_event_log( |
408 | priv, true, &buf, true); | |
409 | if (buf) { | |
b03d7d0f WYG |
410 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
411 | kfree(buf); | |
412 | } | |
413 | return ret; | |
414 | } | |
415 | ||
189a2b59 EK |
416 | static ssize_t iwl_dbgfs_log_event_write(struct file *file, |
417 | const char __user *user_buf, | |
418 | size_t count, loff_t *ppos) | |
419 | { | |
420 | struct iwl_priv *priv = file->private_data; | |
421 | u32 event_log_flag; | |
422 | char buf[8]; | |
423 | int buf_size; | |
424 | ||
425 | memset(buf, 0, sizeof(buf)); | |
426 | buf_size = min(count, sizeof(buf) - 1); | |
427 | if (copy_from_user(buf, user_buf, buf_size)) | |
428 | return -EFAULT; | |
429 | if (sscanf(buf, "%d", &event_log_flag) != 1) | |
430 | return -EFAULT; | |
431 | if (event_log_flag == 1) | |
b03d7d0f WYG |
432 | priv->cfg->ops->lib->dump_nic_event_log(priv, true, |
433 | NULL, false); | |
189a2b59 EK |
434 | |
435 | return count; | |
436 | } | |
437 | ||
d366df5a WT |
438 | |
439 | ||
440 | static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, | |
441 | size_t count, loff_t *ppos) | |
442 | { | |
28f63a4b | 443 | struct iwl_priv *priv = file->private_data; |
d366df5a WT |
444 | struct ieee80211_channel *channels = NULL; |
445 | const struct ieee80211_supported_band *supp_band = NULL; | |
446 | int pos = 0, i, bufsz = PAGE_SIZE; | |
447 | char *buf; | |
448 | ssize_t ret; | |
449 | ||
450 | if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) | |
451 | return -EAGAIN; | |
452 | ||
453 | buf = kzalloc(bufsz, GFP_KERNEL); | |
454 | if (!buf) { | |
15b1687c | 455 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
d366df5a WT |
456 | return -ENOMEM; |
457 | } | |
458 | ||
459 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); | |
a2e2322d WYG |
460 | if (supp_band) { |
461 | channels = supp_band->channels; | |
d366df5a | 462 | |
d366df5a | 463 | pos += scnprintf(buf + pos, bufsz - pos, |
a2e2322d WYG |
464 | "Displaying %d channels in 2.4GHz band 802.11bg):\n", |
465 | supp_band->n_channels); | |
d366df5a | 466 | |
a2e2322d WYG |
467 | for (i = 0; i < supp_band->n_channels; i++) |
468 | pos += scnprintf(buf + pos, bufsz - pos, | |
469 | "%d: %ddBm: BSS%s%s, %s.\n", | |
470 | ieee80211_frequency_to_channel( | |
471 | channels[i].center_freq), | |
472 | channels[i].max_power, | |
473 | channels[i].flags & IEEE80211_CHAN_RADAR ? | |
474 | " (IEEE 802.11h required)" : "", | |
475 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) | |
476 | || (channels[i].flags & | |
477 | IEEE80211_CHAN_RADAR)) ? "" : | |
478 | ", IBSS", | |
479 | channels[i].flags & | |
480 | IEEE80211_CHAN_PASSIVE_SCAN ? | |
481 | "passive only" : "active/passive"); | |
482 | } | |
d366df5a | 483 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); |
a2e2322d WYG |
484 | if (supp_band) { |
485 | channels = supp_band->channels; | |
d366df5a | 486 | |
d366df5a | 487 | pos += scnprintf(buf + pos, bufsz - pos, |
a2e2322d WYG |
488 | "Displaying %d channels in 5.2GHz band (802.11a)\n", |
489 | supp_band->n_channels); | |
490 | ||
491 | for (i = 0; i < supp_band->n_channels; i++) | |
492 | pos += scnprintf(buf + pos, bufsz - pos, | |
493 | "%d: %ddBm: BSS%s%s, %s.\n", | |
494 | ieee80211_frequency_to_channel( | |
495 | channels[i].center_freq), | |
496 | channels[i].max_power, | |
497 | channels[i].flags & IEEE80211_CHAN_RADAR ? | |
498 | " (IEEE 802.11h required)" : "", | |
499 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) | |
500 | || (channels[i].flags & | |
501 | IEEE80211_CHAN_RADAR)) ? "" : | |
502 | ", IBSS", | |
503 | channels[i].flags & | |
504 | IEEE80211_CHAN_PASSIVE_SCAN ? | |
505 | "passive only" : "active/passive"); | |
506 | } | |
d366df5a WT |
507 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
508 | kfree(buf); | |
509 | return ret; | |
510 | } | |
511 | ||
08df05aa WYG |
512 | static ssize_t iwl_dbgfs_status_read(struct file *file, |
513 | char __user *user_buf, | |
514 | size_t count, loff_t *ppos) { | |
515 | ||
28f63a4b | 516 | struct iwl_priv *priv = file->private_data; |
08df05aa WYG |
517 | char buf[512]; |
518 | int pos = 0; | |
519 | const size_t bufsz = sizeof(buf); | |
520 | ||
521 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", | |
522 | test_bit(STATUS_HCMD_ACTIVE, &priv->status)); | |
08df05aa WYG |
523 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", |
524 | test_bit(STATUS_INT_ENABLED, &priv->status)); | |
525 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", | |
526 | test_bit(STATUS_RF_KILL_HW, &priv->status)); | |
7812b167 WYG |
527 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", |
528 | test_bit(STATUS_CT_KILL, &priv->status)); | |
08df05aa WYG |
529 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", |
530 | test_bit(STATUS_INIT, &priv->status)); | |
531 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", | |
532 | test_bit(STATUS_ALIVE, &priv->status)); | |
533 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", | |
534 | test_bit(STATUS_READY, &priv->status)); | |
535 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", | |
536 | test_bit(STATUS_TEMPERATURE, &priv->status)); | |
537 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", | |
538 | test_bit(STATUS_GEO_CONFIGURED, &priv->status)); | |
539 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", | |
540 | test_bit(STATUS_EXIT_PENDING, &priv->status)); | |
08df05aa WYG |
541 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", |
542 | test_bit(STATUS_STATISTICS, &priv->status)); | |
543 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", | |
544 | test_bit(STATUS_SCANNING, &priv->status)); | |
545 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", | |
546 | test_bit(STATUS_SCAN_ABORTING, &priv->status)); | |
547 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", | |
548 | test_bit(STATUS_SCAN_HW, &priv->status)); | |
549 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", | |
550 | test_bit(STATUS_POWER_PMI, &priv->status)); | |
551 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", | |
552 | test_bit(STATUS_FW_ERROR, &priv->status)); | |
08df05aa WYG |
553 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
554 | } | |
555 | ||
a83b9141 WYG |
556 | static ssize_t iwl_dbgfs_interrupt_read(struct file *file, |
557 | char __user *user_buf, | |
558 | size_t count, loff_t *ppos) { | |
559 | ||
28f63a4b | 560 | struct iwl_priv *priv = file->private_data; |
a83b9141 WYG |
561 | int pos = 0; |
562 | int cnt = 0; | |
563 | char *buf; | |
564 | int bufsz = 24 * 64; /* 24 items * 64 char per item */ | |
565 | ssize_t ret; | |
566 | ||
567 | buf = kzalloc(bufsz, GFP_KERNEL); | |
568 | if (!buf) { | |
569 | IWL_ERR(priv, "Can not allocate Buffer\n"); | |
570 | return -ENOMEM; | |
571 | } | |
572 | ||
573 | pos += scnprintf(buf + pos, bufsz - pos, | |
574 | "Interrupt Statistics Report:\n"); | |
575 | ||
576 | pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", | |
577 | priv->isr_stats.hw); | |
578 | pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", | |
579 | priv->isr_stats.sw); | |
580 | if (priv->isr_stats.sw > 0) { | |
581 | pos += scnprintf(buf + pos, bufsz - pos, | |
582 | "\tLast Restarting Code: 0x%X\n", | |
583 | priv->isr_stats.sw_err); | |
584 | } | |
585 | #ifdef CONFIG_IWLWIFI_DEBUG | |
586 | pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", | |
587 | priv->isr_stats.sch); | |
588 | pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", | |
589 | priv->isr_stats.alive); | |
590 | #endif | |
591 | pos += scnprintf(buf + pos, bufsz - pos, | |
592 | "HW RF KILL switch toggled:\t %u\n", | |
593 | priv->isr_stats.rfkill); | |
594 | ||
595 | pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", | |
596 | priv->isr_stats.ctkill); | |
597 | ||
598 | pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", | |
599 | priv->isr_stats.wakeup); | |
600 | ||
601 | pos += scnprintf(buf + pos, bufsz - pos, | |
602 | "Rx command responses:\t\t %u\n", | |
603 | priv->isr_stats.rx); | |
604 | for (cnt = 0; cnt < REPLY_MAX; cnt++) { | |
605 | if (priv->isr_stats.rx_handlers[cnt] > 0) | |
606 | pos += scnprintf(buf + pos, bufsz - pos, | |
607 | "\tRx handler[%36s]:\t\t %u\n", | |
608 | get_cmd_string(cnt), | |
609 | priv->isr_stats.rx_handlers[cnt]); | |
610 | } | |
611 | ||
612 | pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", | |
613 | priv->isr_stats.tx); | |
614 | ||
615 | pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", | |
616 | priv->isr_stats.unhandled); | |
617 | ||
618 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
619 | kfree(buf); | |
620 | return ret; | |
621 | } | |
622 | ||
623 | static ssize_t iwl_dbgfs_interrupt_write(struct file *file, | |
624 | const char __user *user_buf, | |
625 | size_t count, loff_t *ppos) | |
626 | { | |
627 | struct iwl_priv *priv = file->private_data; | |
628 | char buf[8]; | |
629 | int buf_size; | |
630 | u32 reset_flag; | |
631 | ||
632 | memset(buf, 0, sizeof(buf)); | |
633 | buf_size = min(count, sizeof(buf) - 1); | |
634 | if (copy_from_user(buf, user_buf, buf_size)) | |
635 | return -EFAULT; | |
636 | if (sscanf(buf, "%x", &reset_flag) != 1) | |
637 | return -EFAULT; | |
638 | if (reset_flag == 0) | |
639 | iwl_clear_isr_stats(priv); | |
640 | ||
641 | return count; | |
642 | } | |
643 | ||
f5ad69fa WYG |
644 | static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, |
645 | size_t count, loff_t *ppos) | |
646 | { | |
28f63a4b | 647 | struct iwl_priv *priv = file->private_data; |
f5ad69fa WYG |
648 | int pos = 0, i; |
649 | char buf[256]; | |
650 | const size_t bufsz = sizeof(buf); | |
f5ad69fa WYG |
651 | |
652 | for (i = 0; i < AC_NUM; i++) { | |
653 | pos += scnprintf(buf + pos, bufsz - pos, | |
654 | "\tcw_min\tcw_max\taifsn\ttxop\n"); | |
655 | pos += scnprintf(buf + pos, bufsz - pos, | |
656 | "AC[%d]\t%u\t%u\t%u\t%u\n", i, | |
657 | priv->qos_data.def_qos_parm.ac[i].cw_min, | |
658 | priv->qos_data.def_qos_parm.ac[i].cw_max, | |
659 | priv->qos_data.def_qos_parm.ac[i].aifsn, | |
660 | priv->qos_data.def_qos_parm.ac[i].edca_txop); | |
661 | } | |
4967c316 | 662 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
f5ad69fa | 663 | } |
a83b9141 | 664 | |
a283c011 WYG |
665 | static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, |
666 | size_t count, loff_t *ppos) | |
667 | { | |
28f63a4b | 668 | struct iwl_priv *priv = file->private_data; |
a283c011 WYG |
669 | int pos = 0; |
670 | char buf[256]; | |
671 | const size_t bufsz = sizeof(buf); | |
a283c011 WYG |
672 | |
673 | pos += scnprintf(buf + pos, bufsz - pos, | |
674 | "allow blinking: %s\n", | |
675 | (priv->allow_blinking) ? "True" : "False"); | |
676 | if (priv->allow_blinking) { | |
677 | pos += scnprintf(buf + pos, bufsz - pos, | |
678 | "Led blinking rate: %u\n", | |
679 | priv->last_blink_rate); | |
680 | pos += scnprintf(buf + pos, bufsz - pos, | |
681 | "Last blink time: %lu\n", | |
682 | priv->last_blink_time); | |
683 | } | |
684 | ||
4967c316 | 685 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
a283c011 | 686 | } |
a283c011 | 687 | |
fbf3a2af WYG |
688 | static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, |
689 | char __user *user_buf, | |
690 | size_t count, loff_t *ppos) | |
691 | { | |
28f63a4b | 692 | struct iwl_priv *priv = file->private_data; |
3ad3b92a | 693 | struct iwl_tt_mgmt *tt = &priv->thermal_throttle; |
fbf3a2af WYG |
694 | struct iwl_tt_restriction *restriction; |
695 | char buf[100]; | |
696 | int pos = 0; | |
697 | const size_t bufsz = sizeof(buf); | |
fbf3a2af WYG |
698 | |
699 | pos += scnprintf(buf + pos, bufsz - pos, | |
700 | "Thermal Throttling Mode: %s\n", | |
3ad3b92a | 701 | tt->advanced_tt ? "Advance" : "Legacy"); |
fbf3a2af WYG |
702 | pos += scnprintf(buf + pos, bufsz - pos, |
703 | "Thermal Throttling State: %d\n", | |
704 | tt->state); | |
3ad3b92a | 705 | if (tt->advanced_tt) { |
fbf3a2af WYG |
706 | restriction = tt->restriction + tt->state; |
707 | pos += scnprintf(buf + pos, bufsz - pos, | |
708 | "Tx mode: %d\n", | |
709 | restriction->tx_stream); | |
710 | pos += scnprintf(buf + pos, bufsz - pos, | |
711 | "Rx mode: %d\n", | |
712 | restriction->rx_stream); | |
713 | pos += scnprintf(buf + pos, bufsz - pos, | |
714 | "HT mode: %d\n", | |
715 | restriction->is_ht); | |
716 | } | |
4967c316 | 717 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
fbf3a2af WYG |
718 | } |
719 | ||
1e4247d4 WYG |
720 | static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, |
721 | const char __user *user_buf, | |
722 | size_t count, loff_t *ppos) | |
723 | { | |
724 | struct iwl_priv *priv = file->private_data; | |
725 | char buf[8]; | |
726 | int buf_size; | |
727 | int ht40; | |
728 | ||
729 | memset(buf, 0, sizeof(buf)); | |
730 | buf_size = min(count, sizeof(buf) - 1); | |
731 | if (copy_from_user(buf, user_buf, buf_size)) | |
732 | return -EFAULT; | |
733 | if (sscanf(buf, "%d", &ht40) != 1) | |
734 | return -EFAULT; | |
735 | if (!iwl_is_associated(priv)) | |
736 | priv->disable_ht40 = ht40 ? true : false; | |
737 | else { | |
738 | IWL_ERR(priv, "Sta associated with AP - " | |
739 | "Change to 40MHz channel support is not allowed\n"); | |
740 | return -EINVAL; | |
741 | } | |
742 | ||
743 | return count; | |
744 | } | |
745 | ||
746 | static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, | |
747 | char __user *user_buf, | |
748 | size_t count, loff_t *ppos) | |
749 | { | |
28f63a4b | 750 | struct iwl_priv *priv = file->private_data; |
1e4247d4 WYG |
751 | char buf[100]; |
752 | int pos = 0; | |
753 | const size_t bufsz = sizeof(buf); | |
1e4247d4 WYG |
754 | |
755 | pos += scnprintf(buf + pos, bufsz - pos, | |
756 | "11n 40MHz Mode: %s\n", | |
757 | priv->disable_ht40 ? "Disabled" : "Enabled"); | |
4967c316 | 758 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
1e4247d4 WYG |
759 | } |
760 | ||
e312c24c JB |
761 | static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, |
762 | const char __user *user_buf, | |
763 | size_t count, loff_t *ppos) | |
764 | { | |
765 | struct iwl_priv *priv = file->private_data; | |
766 | char buf[8]; | |
767 | int buf_size; | |
768 | int value; | |
769 | ||
770 | memset(buf, 0, sizeof(buf)); | |
771 | buf_size = min(count, sizeof(buf) - 1); | |
772 | if (copy_from_user(buf, user_buf, buf_size)) | |
773 | return -EFAULT; | |
774 | ||
775 | if (sscanf(buf, "%d", &value) != 1) | |
776 | return -EINVAL; | |
777 | ||
778 | /* | |
779 | * Our users expect 0 to be "CAM", but 0 isn't actually | |
780 | * valid here. However, let's not confuse them and present | |
781 | * IWL_POWER_INDEX_1 as "1", not "0". | |
782 | */ | |
1a34c043 RC |
783 | if (value == 0) |
784 | return -EINVAL; | |
785 | else if (value > 0) | |
e312c24c JB |
786 | value -= 1; |
787 | ||
788 | if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) | |
789 | return -EINVAL; | |
790 | ||
4ad177b5 WYG |
791 | if (!iwl_is_ready_rf(priv)) |
792 | return -EAGAIN; | |
793 | ||
e312c24c JB |
794 | priv->power_data.debug_sleep_level_override = value; |
795 | ||
d3a57197 | 796 | mutex_lock(&priv->mutex); |
4ad177b5 | 797 | iwl_power_update_mode(priv, true); |
d3a57197 | 798 | mutex_unlock(&priv->mutex); |
e312c24c JB |
799 | |
800 | return count; | |
801 | } | |
802 | ||
803 | static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, | |
804 | char __user *user_buf, | |
805 | size_t count, loff_t *ppos) | |
806 | { | |
28f63a4b | 807 | struct iwl_priv *priv = file->private_data; |
e312c24c JB |
808 | char buf[10]; |
809 | int pos, value; | |
810 | const size_t bufsz = sizeof(buf); | |
811 | ||
812 | /* see the write function */ | |
813 | value = priv->power_data.debug_sleep_level_override; | |
814 | if (value >= 0) | |
815 | value += 1; | |
816 | ||
817 | pos = scnprintf(buf, bufsz, "%d\n", value); | |
818 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
819 | } | |
820 | ||
821 | static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, | |
822 | char __user *user_buf, | |
823 | size_t count, loff_t *ppos) | |
824 | { | |
28f63a4b | 825 | struct iwl_priv *priv = file->private_data; |
e312c24c JB |
826 | char buf[200]; |
827 | int pos = 0, i; | |
828 | const size_t bufsz = sizeof(buf); | |
829 | struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; | |
830 | ||
831 | pos += scnprintf(buf + pos, bufsz - pos, | |
832 | "flags: %#.2x\n", le16_to_cpu(cmd->flags)); | |
833 | pos += scnprintf(buf + pos, bufsz - pos, | |
834 | "RX/TX timeout: %d/%d usec\n", | |
835 | le32_to_cpu(cmd->rx_data_timeout), | |
836 | le32_to_cpu(cmd->tx_data_timeout)); | |
837 | for (i = 0; i < IWL_POWER_VEC_SIZE; i++) | |
838 | pos += scnprintf(buf + pos, bufsz - pos, | |
839 | "sleep_interval[%d]: %d\n", i, | |
840 | le32_to_cpu(cmd->sleep_interval[i])); | |
841 | ||
842 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
843 | } | |
844 | ||
712b6cf5 | 845 | DEBUGFS_READ_WRITE_FILE_OPS(sram); |
b03d7d0f | 846 | DEBUGFS_READ_WRITE_FILE_OPS(log_event); |
0848e297 | 847 | DEBUGFS_READ_FILE_OPS(nvm); |
712b6cf5 | 848 | DEBUGFS_READ_FILE_OPS(stations); |
d366df5a | 849 | DEBUGFS_READ_FILE_OPS(channels); |
08df05aa | 850 | DEBUGFS_READ_FILE_OPS(status); |
a83b9141 | 851 | DEBUGFS_READ_WRITE_FILE_OPS(interrupt); |
f5ad69fa | 852 | DEBUGFS_READ_FILE_OPS(qos); |
a283c011 | 853 | DEBUGFS_READ_FILE_OPS(led); |
fbf3a2af | 854 | DEBUGFS_READ_FILE_OPS(thermal_throttling); |
1e4247d4 | 855 | DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); |
e312c24c JB |
856 | DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); |
857 | DEBUGFS_READ_FILE_OPS(current_sleep_command); | |
712b6cf5 | 858 | |
20594eb0 WYG |
859 | static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, |
860 | char __user *user_buf, | |
861 | size_t count, loff_t *ppos) | |
862 | { | |
863 | struct iwl_priv *priv = file->private_data; | |
864 | int pos = 0, ofs = 0; | |
865 | int cnt = 0, entry; | |
866 | struct iwl_tx_queue *txq; | |
867 | struct iwl_queue *q; | |
868 | struct iwl_rx_queue *rxq = &priv->rxq; | |
869 | char *buf; | |
870 | int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + | |
88804e2b | 871 | (priv->cfg->num_of_queues * 32 * 8) + 400; |
20594eb0 WYG |
872 | const u8 *ptr; |
873 | ssize_t ret; | |
874 | ||
88804e2b WYG |
875 | if (!priv->txq) { |
876 | IWL_ERR(priv, "txq not ready\n"); | |
877 | return -EAGAIN; | |
878 | } | |
20594eb0 WYG |
879 | buf = kzalloc(bufsz, GFP_KERNEL); |
880 | if (!buf) { | |
881 | IWL_ERR(priv, "Can not allocate buffer\n"); | |
882 | return -ENOMEM; | |
883 | } | |
884 | pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); | |
885 | for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { | |
886 | txq = &priv->txq[cnt]; | |
887 | q = &txq->q; | |
888 | pos += scnprintf(buf + pos, bufsz - pos, | |
889 | "q[%d]: read_ptr: %u, write_ptr: %u\n", | |
890 | cnt, q->read_ptr, q->write_ptr); | |
891 | } | |
892 | if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { | |
893 | ptr = priv->tx_traffic; | |
894 | pos += scnprintf(buf + pos, bufsz - pos, | |
895 | "Tx Traffic idx: %u\n", priv->tx_traffic_idx); | |
896 | for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { | |
897 | for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; | |
898 | entry++, ofs += 16) { | |
899 | pos += scnprintf(buf + pos, bufsz - pos, | |
900 | "0x%.4x ", ofs); | |
901 | hex_dump_to_buffer(ptr + ofs, 16, 16, 2, | |
902 | buf + pos, bufsz - pos, 0); | |
2fac9717 | 903 | pos += strlen(buf + pos); |
20594eb0 WYG |
904 | if (bufsz - pos > 0) |
905 | buf[pos++] = '\n'; | |
906 | } | |
907 | } | |
908 | } | |
909 | ||
910 | pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); | |
911 | pos += scnprintf(buf + pos, bufsz - pos, | |
912 | "read: %u, write: %u\n", | |
913 | rxq->read, rxq->write); | |
914 | ||
915 | if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { | |
916 | ptr = priv->rx_traffic; | |
917 | pos += scnprintf(buf + pos, bufsz - pos, | |
918 | "Rx Traffic idx: %u\n", priv->rx_traffic_idx); | |
919 | for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { | |
920 | for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; | |
921 | entry++, ofs += 16) { | |
922 | pos += scnprintf(buf + pos, bufsz - pos, | |
923 | "0x%.4x ", ofs); | |
924 | hex_dump_to_buffer(ptr + ofs, 16, 16, 2, | |
925 | buf + pos, bufsz - pos, 0); | |
2fac9717 | 926 | pos += strlen(buf + pos); |
20594eb0 WYG |
927 | if (bufsz - pos > 0) |
928 | buf[pos++] = '\n'; | |
929 | } | |
930 | } | |
931 | } | |
932 | ||
933 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
934 | kfree(buf); | |
935 | return ret; | |
936 | } | |
937 | ||
938 | static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, | |
939 | const char __user *user_buf, | |
940 | size_t count, loff_t *ppos) | |
941 | { | |
942 | struct iwl_priv *priv = file->private_data; | |
943 | char buf[8]; | |
944 | int buf_size; | |
945 | int traffic_log; | |
946 | ||
947 | memset(buf, 0, sizeof(buf)); | |
948 | buf_size = min(count, sizeof(buf) - 1); | |
949 | if (copy_from_user(buf, user_buf, buf_size)) | |
950 | return -EFAULT; | |
951 | if (sscanf(buf, "%d", &traffic_log) != 1) | |
952 | return -EFAULT; | |
953 | if (traffic_log == 0) | |
954 | iwl_reset_traffic_log(priv); | |
955 | ||
956 | return count; | |
957 | } | |
958 | ||
141b03e0 WYG |
959 | static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, |
960 | char __user *user_buf, | |
961 | size_t count, loff_t *ppos) { | |
962 | ||
28f63a4b | 963 | struct iwl_priv *priv = file->private_data; |
141b03e0 WYG |
964 | struct iwl_tx_queue *txq; |
965 | struct iwl_queue *q; | |
966 | char *buf; | |
967 | int pos = 0; | |
968 | int cnt; | |
969 | int ret; | |
d23db556 | 970 | const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues; |
141b03e0 | 971 | |
88804e2b WYG |
972 | if (!priv->txq) { |
973 | IWL_ERR(priv, "txq not ready\n"); | |
974 | return -EAGAIN; | |
975 | } | |
141b03e0 WYG |
976 | buf = kzalloc(bufsz, GFP_KERNEL); |
977 | if (!buf) | |
978 | return -ENOMEM; | |
979 | ||
980 | for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { | |
981 | txq = &priv->txq[cnt]; | |
982 | q = &txq->q; | |
983 | pos += scnprintf(buf + pos, bufsz - pos, | |
984 | "hwq %.2d: read=%u write=%u stop=%d" | |
985 | " swq_id=%#.2x (ac %d/hwq %d)\n", | |
986 | cnt, q->read_ptr, q->write_ptr, | |
987 | !!test_bit(cnt, priv->queue_stopped), | |
988 | txq->swq_id, | |
989 | txq->swq_id & 0x80 ? txq->swq_id & 3 : | |
990 | txq->swq_id, | |
991 | txq->swq_id & 0x80 ? (txq->swq_id >> 2) & | |
992 | 0x1f : txq->swq_id); | |
993 | if (cnt >= 4) | |
994 | continue; | |
995 | /* for the ACs, display the stop count too */ | |
996 | pos += scnprintf(buf + pos, bufsz - pos, | |
997 | " stop-count: %d\n", | |
998 | atomic_read(&priv->queue_stop_count[cnt])); | |
999 | } | |
1000 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1001 | kfree(buf); | |
1002 | return ret; | |
1003 | } | |
1004 | ||
1005 | static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, | |
1006 | char __user *user_buf, | |
1007 | size_t count, loff_t *ppos) { | |
1008 | ||
28f63a4b | 1009 | struct iwl_priv *priv = file->private_data; |
141b03e0 WYG |
1010 | struct iwl_rx_queue *rxq = &priv->rxq; |
1011 | char buf[256]; | |
1012 | int pos = 0; | |
1013 | const size_t bufsz = sizeof(buf); | |
1014 | ||
1015 | pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", | |
1016 | rxq->read); | |
1017 | pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", | |
1018 | rxq->write); | |
1019 | pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", | |
1020 | rxq->free_count); | |
1021 | pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", | |
1022 | le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); | |
1023 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1024 | } | |
1025 | ||
e8fe59ae WYG |
1026 | static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, |
1027 | char __user *user_buf, | |
1028 | size_t count, loff_t *ppos) | |
1029 | { | |
28f63a4b | 1030 | struct iwl_priv *priv = file->private_data; |
17f36fc6 AK |
1031 | return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file, |
1032 | user_buf, count, ppos); | |
e8fe59ae WYG |
1033 | } |
1034 | ||
1035 | static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, | |
1036 | char __user *user_buf, | |
1037 | size_t count, loff_t *ppos) | |
1038 | { | |
28f63a4b | 1039 | struct iwl_priv *priv = file->private_data; |
17f36fc6 AK |
1040 | return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file, |
1041 | user_buf, count, ppos); | |
e8fe59ae WYG |
1042 | } |
1043 | ||
1044 | static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, | |
1045 | char __user *user_buf, | |
1046 | size_t count, loff_t *ppos) | |
1047 | { | |
28f63a4b | 1048 | struct iwl_priv *priv = file->private_data; |
17f36fc6 AK |
1049 | return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file, |
1050 | user_buf, count, ppos); | |
e8fe59ae WYG |
1051 | } |
1052 | ||
5225935b WYG |
1053 | static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, |
1054 | char __user *user_buf, | |
1055 | size_t count, loff_t *ppos) { | |
1056 | ||
28f63a4b | 1057 | struct iwl_priv *priv = file->private_data; |
5225935b WYG |
1058 | int pos = 0; |
1059 | int cnt = 0; | |
1060 | char *buf; | |
1061 | int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; | |
1062 | ssize_t ret; | |
1063 | struct iwl_sensitivity_data *data; | |
1064 | ||
1065 | data = &priv->sensitivity_data; | |
1066 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1067 | if (!buf) { | |
1068 | IWL_ERR(priv, "Can not allocate Buffer\n"); | |
1069 | return -ENOMEM; | |
1070 | } | |
1071 | ||
1072 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", | |
1073 | data->auto_corr_ofdm); | |
1074 | pos += scnprintf(buf + pos, bufsz - pos, | |
1075 | "auto_corr_ofdm_mrc:\t\t %u\n", | |
1076 | data->auto_corr_ofdm_mrc); | |
1077 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", | |
1078 | data->auto_corr_ofdm_x1); | |
1079 | pos += scnprintf(buf + pos, bufsz - pos, | |
1080 | "auto_corr_ofdm_mrc_x1:\t\t %u\n", | |
1081 | data->auto_corr_ofdm_mrc_x1); | |
1082 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", | |
1083 | data->auto_corr_cck); | |
1084 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", | |
1085 | data->auto_corr_cck_mrc); | |
1086 | pos += scnprintf(buf + pos, bufsz - pos, | |
1087 | "last_bad_plcp_cnt_ofdm:\t\t %u\n", | |
1088 | data->last_bad_plcp_cnt_ofdm); | |
1089 | pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", | |
1090 | data->last_fa_cnt_ofdm); | |
1091 | pos += scnprintf(buf + pos, bufsz - pos, | |
1092 | "last_bad_plcp_cnt_cck:\t\t %u\n", | |
1093 | data->last_bad_plcp_cnt_cck); | |
1094 | pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", | |
1095 | data->last_fa_cnt_cck); | |
1096 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", | |
1097 | data->nrg_curr_state); | |
1098 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", | |
1099 | data->nrg_prev_state); | |
1100 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); | |
1101 | for (cnt = 0; cnt < 10; cnt++) { | |
1102 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1103 | data->nrg_value[cnt]); | |
1104 | } | |
1105 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1106 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); | |
1107 | for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { | |
1108 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1109 | data->nrg_silence_rssi[cnt]); | |
1110 | } | |
1111 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1112 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", | |
1113 | data->nrg_silence_ref); | |
1114 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", | |
1115 | data->nrg_energy_idx); | |
1116 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", | |
1117 | data->nrg_silence_idx); | |
1118 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", | |
1119 | data->nrg_th_cck); | |
1120 | pos += scnprintf(buf + pos, bufsz - pos, | |
1121 | "nrg_auto_corr_silence_diff:\t %u\n", | |
1122 | data->nrg_auto_corr_silence_diff); | |
1123 | pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", | |
1124 | data->num_in_cck_no_fa); | |
1125 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", | |
1126 | data->nrg_th_ofdm); | |
1127 | ||
1128 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1129 | kfree(buf); | |
1130 | return ret; | |
1131 | } | |
1132 | ||
1133 | ||
1134 | static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, | |
1135 | char __user *user_buf, | |
1136 | size_t count, loff_t *ppos) { | |
1137 | ||
28f63a4b | 1138 | struct iwl_priv *priv = file->private_data; |
5225935b WYG |
1139 | int pos = 0; |
1140 | int cnt = 0; | |
1141 | char *buf; | |
1142 | int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; | |
1143 | ssize_t ret; | |
1144 | struct iwl_chain_noise_data *data; | |
1145 | ||
1146 | data = &priv->chain_noise_data; | |
1147 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1148 | if (!buf) { | |
1149 | IWL_ERR(priv, "Can not allocate Buffer\n"); | |
1150 | return -ENOMEM; | |
1151 | } | |
1152 | ||
1153 | pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", | |
1154 | data->active_chains); | |
1155 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", | |
1156 | data->chain_noise_a); | |
1157 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", | |
1158 | data->chain_noise_b); | |
1159 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", | |
1160 | data->chain_noise_c); | |
1161 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", | |
1162 | data->chain_signal_a); | |
1163 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", | |
1164 | data->chain_signal_b); | |
1165 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", | |
1166 | data->chain_signal_c); | |
1167 | pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", | |
1168 | data->beacon_count); | |
1169 | ||
1170 | pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); | |
1171 | for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { | |
1172 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1173 | data->disconn_array[cnt]); | |
1174 | } | |
1175 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1176 | pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); | |
1177 | for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { | |
1178 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1179 | data->delta_gain_code[cnt]); | |
1180 | } | |
1181 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1182 | pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", | |
1183 | data->radio_write); | |
1184 | pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", | |
1185 | data->state); | |
1186 | ||
1187 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1188 | kfree(buf); | |
1189 | return ret; | |
1190 | } | |
1191 | ||
c09430ab WYG |
1192 | static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, |
1193 | char __user *user_buf, | |
1194 | size_t count, loff_t *ppos) | |
1195 | { | |
28f63a4b | 1196 | struct iwl_priv *priv = file->private_data; |
c09430ab WYG |
1197 | char buf[60]; |
1198 | int pos = 0; | |
1199 | const size_t bufsz = sizeof(buf); | |
1200 | u32 pwrsave_status; | |
1201 | ||
1202 | pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & | |
1203 | CSR_GP_REG_POWER_SAVE_STATUS_MSK; | |
1204 | ||
1205 | pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); | |
1206 | pos += scnprintf(buf + pos, bufsz - pos, "%s\n", | |
1207 | (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : | |
1208 | (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : | |
1209 | (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : | |
1210 | "error"); | |
1211 | ||
1212 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1213 | } | |
1214 | ||
7163b8a4 | 1215 | static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, |
ef8d5529 WYG |
1216 | const char __user *user_buf, |
1217 | size_t count, loff_t *ppos) | |
1218 | { | |
1219 | struct iwl_priv *priv = file->private_data; | |
1220 | char buf[8]; | |
1221 | int buf_size; | |
1222 | int clear; | |
1223 | ||
1224 | memset(buf, 0, sizeof(buf)); | |
1225 | buf_size = min(count, sizeof(buf) - 1); | |
1226 | if (copy_from_user(buf, user_buf, buf_size)) | |
1227 | return -EFAULT; | |
1228 | if (sscanf(buf, "%d", &clear) != 1) | |
1229 | return -EFAULT; | |
1230 | ||
1231 | /* make request to uCode to retrieve statistics information */ | |
1232 | mutex_lock(&priv->mutex); | |
1233 | iwl_send_statistics_request(priv, CMD_SYNC, true); | |
1234 | mutex_unlock(&priv->mutex); | |
1235 | ||
1236 | return count; | |
1237 | } | |
1238 | ||
696bdee3 WYG |
1239 | static ssize_t iwl_dbgfs_csr_write(struct file *file, |
1240 | const char __user *user_buf, | |
1241 | size_t count, loff_t *ppos) | |
1242 | { | |
1243 | struct iwl_priv *priv = file->private_data; | |
1244 | char buf[8]; | |
1245 | int buf_size; | |
1246 | int csr; | |
1247 | ||
1248 | memset(buf, 0, sizeof(buf)); | |
1249 | buf_size = min(count, sizeof(buf) - 1); | |
1250 | if (copy_from_user(buf, user_buf, buf_size)) | |
1251 | return -EFAULT; | |
1252 | if (sscanf(buf, "%d", &csr) != 1) | |
1253 | return -EFAULT; | |
1254 | ||
1255 | if (priv->cfg->ops->lib->dump_csr) | |
1256 | priv->cfg->ops->lib->dump_csr(priv); | |
1257 | ||
1258 | return count; | |
1259 | } | |
1260 | ||
a9e1cb6a WYG |
1261 | static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, |
1262 | char __user *user_buf, | |
1263 | size_t count, loff_t *ppos) { | |
1264 | ||
1265 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
1266 | int pos = 0; | |
1267 | char buf[128]; | |
1268 | const size_t bufsz = sizeof(buf); | |
a9e1cb6a WYG |
1269 | |
1270 | pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", | |
1271 | priv->event_log.ucode_trace ? "On" : "Off"); | |
1272 | pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", | |
1273 | priv->event_log.non_wraps_count); | |
1274 | pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", | |
1275 | priv->event_log.wraps_once_count); | |
1276 | pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", | |
1277 | priv->event_log.wraps_more_count); | |
1278 | ||
4967c316 | 1279 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
a9e1cb6a WYG |
1280 | } |
1281 | ||
1282 | static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, | |
1283 | const char __user *user_buf, | |
1284 | size_t count, loff_t *ppos) | |
1285 | { | |
1286 | struct iwl_priv *priv = file->private_data; | |
1287 | char buf[8]; | |
1288 | int buf_size; | |
1289 | int trace; | |
1290 | ||
1291 | memset(buf, 0, sizeof(buf)); | |
1292 | buf_size = min(count, sizeof(buf) - 1); | |
1293 | if (copy_from_user(buf, user_buf, buf_size)) | |
1294 | return -EFAULT; | |
1295 | if (sscanf(buf, "%d", &trace) != 1) | |
1296 | return -EFAULT; | |
1297 | ||
1298 | if (trace) { | |
1299 | priv->event_log.ucode_trace = true; | |
1300 | /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ | |
1301 | mod_timer(&priv->ucode_trace, | |
1302 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); | |
1303 | } else { | |
1304 | priv->event_log.ucode_trace = false; | |
1305 | del_timer_sync(&priv->ucode_trace); | |
1306 | } | |
1307 | ||
1308 | return count; | |
1309 | } | |
1310 | ||
60987206 JB |
1311 | static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file, |
1312 | char __user *user_buf, | |
1313 | size_t count, loff_t *ppos) { | |
1314 | ||
1315 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
1316 | int len = 0; | |
1317 | char buf[20]; | |
1318 | ||
1319 | len = sprintf(buf, "0x%04X\n", le32_to_cpu(priv->active_rxon.flags)); | |
1320 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1321 | } | |
1322 | ||
1323 | static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file, | |
1324 | char __user *user_buf, | |
1325 | size_t count, loff_t *ppos) { | |
1326 | ||
1327 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
1328 | int len = 0; | |
1329 | char buf[20]; | |
1330 | ||
1331 | len = sprintf(buf, "0x%04X\n", | |
1332 | le32_to_cpu(priv->active_rxon.filter_flags)); | |
1333 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1334 | } | |
1335 | ||
1b3eb823 WYG |
1336 | static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, |
1337 | char __user *user_buf, | |
1338 | size_t count, loff_t *ppos) | |
1339 | { | |
1340 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
1341 | char *buf; | |
1342 | int pos = 0; | |
1343 | ssize_t ret = -EFAULT; | |
1344 | ||
1345 | if (priv->cfg->ops->lib->dump_fh) { | |
1346 | ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true); | |
1347 | if (buf) { | |
1348 | ret = simple_read_from_buffer(user_buf, | |
1349 | count, ppos, buf, pos); | |
1350 | kfree(buf); | |
1351 | } | |
1352 | } | |
1353 | ||
1354 | return ret; | |
1355 | } | |
1356 | ||
a13d276f WYG |
1357 | static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, |
1358 | char __user *user_buf, | |
1359 | size_t count, loff_t *ppos) { | |
1360 | ||
1361 | struct iwl_priv *priv = file->private_data; | |
1362 | int pos = 0; | |
1363 | char buf[12]; | |
1364 | const size_t bufsz = sizeof(buf); | |
a13d276f WYG |
1365 | |
1366 | pos += scnprintf(buf + pos, bufsz - pos, "%d\n", | |
1367 | priv->missed_beacon_threshold); | |
1368 | ||
4967c316 | 1369 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
a13d276f WYG |
1370 | } |
1371 | ||
1372 | static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, | |
1373 | const char __user *user_buf, | |
1374 | size_t count, loff_t *ppos) | |
1375 | { | |
1376 | struct iwl_priv *priv = file->private_data; | |
1377 | char buf[8]; | |
1378 | int buf_size; | |
1379 | int missed; | |
1380 | ||
1381 | memset(buf, 0, sizeof(buf)); | |
1382 | buf_size = min(count, sizeof(buf) - 1); | |
1383 | if (copy_from_user(buf, user_buf, buf_size)) | |
1384 | return -EFAULT; | |
1385 | if (sscanf(buf, "%d", &missed) != 1) | |
1386 | return -EINVAL; | |
1387 | ||
1388 | if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || | |
1389 | missed > IWL_MISSED_BEACON_THRESHOLD_MAX) | |
1390 | priv->missed_beacon_threshold = | |
1391 | IWL_MISSED_BEACON_THRESHOLD_DEF; | |
1392 | else | |
1393 | priv->missed_beacon_threshold = missed; | |
1394 | ||
1395 | return count; | |
1396 | } | |
1397 | ||
3e4fb5fa TAN |
1398 | static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, |
1399 | char __user *user_buf, | |
1400 | size_t count, loff_t *ppos) { | |
1401 | ||
1402 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
1403 | int pos = 0; | |
1404 | char buf[12]; | |
1405 | const size_t bufsz = sizeof(buf); | |
3e4fb5fa TAN |
1406 | |
1407 | pos += scnprintf(buf + pos, bufsz - pos, "%u\n", | |
1408 | priv->cfg->plcp_delta_threshold); | |
1409 | ||
4967c316 | 1410 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
3e4fb5fa TAN |
1411 | } |
1412 | ||
1413 | static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, | |
1414 | const char __user *user_buf, | |
1415 | size_t count, loff_t *ppos) { | |
1416 | ||
1417 | struct iwl_priv *priv = file->private_data; | |
1418 | char buf[8]; | |
1419 | int buf_size; | |
1420 | int plcp; | |
1421 | ||
1422 | memset(buf, 0, sizeof(buf)); | |
1423 | buf_size = min(count, sizeof(buf) - 1); | |
1424 | if (copy_from_user(buf, user_buf, buf_size)) | |
1425 | return -EFAULT; | |
1426 | if (sscanf(buf, "%d", &plcp) != 1) | |
1427 | return -EINVAL; | |
1428 | if ((plcp <= IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || | |
1429 | (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) | |
1430 | priv->cfg->plcp_delta_threshold = | |
1431 | IWL_MAX_PLCP_ERR_THRESHOLD_DEF; | |
1432 | else | |
1433 | priv->cfg->plcp_delta_threshold = plcp; | |
1434 | return count; | |
1435 | } | |
1436 | ||
528c3126 WYG |
1437 | static ssize_t iwl_dbgfs_force_reset_read(struct file *file, |
1438 | char __user *user_buf, | |
1439 | size_t count, loff_t *ppos) { | |
1440 | ||
1441 | struct iwl_priv *priv = file->private_data; | |
1442 | int i, pos = 0; | |
1443 | char buf[300]; | |
1444 | const size_t bufsz = sizeof(buf); | |
1445 | struct iwl_force_reset *force_reset; | |
1446 | ||
1447 | for (i = 0; i < IWL_MAX_FORCE_RESET; i++) { | |
1448 | force_reset = &priv->force_reset[i]; | |
1449 | pos += scnprintf(buf + pos, bufsz - pos, | |
1450 | "Force reset method %d\n", i); | |
1451 | pos += scnprintf(buf + pos, bufsz - pos, | |
1452 | "\tnumber of reset request: %d\n", | |
1453 | force_reset->reset_request_count); | |
1454 | pos += scnprintf(buf + pos, bufsz - pos, | |
1455 | "\tnumber of reset request success: %d\n", | |
1456 | force_reset->reset_success_count); | |
1457 | pos += scnprintf(buf + pos, bufsz - pos, | |
1458 | "\tnumber of reset request reject: %d\n", | |
1459 | force_reset->reset_reject_count); | |
1460 | pos += scnprintf(buf + pos, bufsz - pos, | |
1461 | "\treset duration: %lu\n", | |
1462 | force_reset->reset_duration); | |
1463 | } | |
1464 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1465 | } | |
1466 | ||
04cafd7f WYG |
1467 | static ssize_t iwl_dbgfs_force_reset_write(struct file *file, |
1468 | const char __user *user_buf, | |
1469 | size_t count, loff_t *ppos) { | |
1470 | ||
1471 | struct iwl_priv *priv = file->private_data; | |
1472 | char buf[8]; | |
1473 | int buf_size; | |
1474 | int reset, ret; | |
1475 | ||
1476 | memset(buf, 0, sizeof(buf)); | |
1477 | buf_size = min(count, sizeof(buf) - 1); | |
1478 | if (copy_from_user(buf, user_buf, buf_size)) | |
1479 | return -EFAULT; | |
1480 | if (sscanf(buf, "%d", &reset) != 1) | |
1481 | return -EINVAL; | |
1482 | switch (reset) { | |
1483 | case IWL_RF_RESET: | |
1484 | case IWL_FW_RESET: | |
1485 | ret = iwl_force_reset(priv, reset); | |
1486 | break; | |
1487 | default: | |
1488 | return -EINVAL; | |
1489 | } | |
1490 | return ret ? ret : count; | |
1491 | } | |
1492 | ||
7163b8a4 WYG |
1493 | DEBUGFS_READ_FILE_OPS(rx_statistics); |
1494 | DEBUGFS_READ_FILE_OPS(tx_statistics); | |
20594eb0 | 1495 | DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); |
141b03e0 WYG |
1496 | DEBUGFS_READ_FILE_OPS(rx_queue); |
1497 | DEBUGFS_READ_FILE_OPS(tx_queue); | |
e8fe59ae WYG |
1498 | DEBUGFS_READ_FILE_OPS(ucode_rx_stats); |
1499 | DEBUGFS_READ_FILE_OPS(ucode_tx_stats); | |
1500 | DEBUGFS_READ_FILE_OPS(ucode_general_stats); | |
5225935b WYG |
1501 | DEBUGFS_READ_FILE_OPS(sensitivity); |
1502 | DEBUGFS_READ_FILE_OPS(chain_noise); | |
c09430ab | 1503 | DEBUGFS_READ_FILE_OPS(power_save_status); |
7163b8a4 WYG |
1504 | DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); |
1505 | DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); | |
696bdee3 | 1506 | DEBUGFS_WRITE_FILE_OPS(csr); |
a9e1cb6a | 1507 | DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); |
1b3eb823 | 1508 | DEBUGFS_READ_FILE_OPS(fh_reg); |
a13d276f | 1509 | DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); |
3e4fb5fa | 1510 | DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); |
528c3126 | 1511 | DEBUGFS_READ_WRITE_FILE_OPS(force_reset); |
60987206 JB |
1512 | DEBUGFS_READ_FILE_OPS(rxon_flags); |
1513 | DEBUGFS_READ_FILE_OPS(rxon_filter_flags); | |
20594eb0 | 1514 | |
712b6cf5 TW |
1515 | /* |
1516 | * Create the debugfs files and directories | |
1517 | * | |
1518 | */ | |
1519 | int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) | |
1520 | { | |
95b1a822 | 1521 | struct dentry *phyd = priv->hw->wiphy->debugfsdir; |
4c84a8f1 | 1522 | struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; |
712b6cf5 | 1523 | |
4c84a8f1 JB |
1524 | dir_drv = debugfs_create_dir(name, phyd); |
1525 | if (!dir_drv) | |
1526 | return -ENOMEM; | |
712b6cf5 | 1527 | |
4c84a8f1 JB |
1528 | priv->debugfs_dir = dir_drv; |
1529 | ||
1530 | dir_data = debugfs_create_dir("data", dir_drv); | |
1531 | if (!dir_data) | |
1532 | goto err; | |
1533 | dir_rf = debugfs_create_dir("rf", dir_drv); | |
1534 | if (!dir_rf) | |
1535 | goto err; | |
1536 | dir_debug = debugfs_create_dir("debug", dir_drv); | |
1537 | if (!dir_debug) | |
712b6cf5 | 1538 | goto err; |
712b6cf5 | 1539 | |
4c84a8f1 JB |
1540 | DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); |
1541 | DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); | |
1542 | DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR); | |
1543 | DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); | |
1544 | DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); | |
1545 | DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); | |
1546 | DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR); | |
1547 | DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); | |
1548 | DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR); | |
381733cc WYG |
1549 | if (!priv->cfg->broken_powersave) { |
1550 | DEBUGFS_ADD_FILE(sleep_level_override, dir_data, | |
1551 | S_IWUSR | S_IRUSR); | |
1552 | DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); | |
1553 | } | |
4c84a8f1 JB |
1554 | DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); |
1555 | DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); | |
1556 | DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); | |
1557 | DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); | |
1558 | DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); | |
1559 | DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR); | |
1560 | DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR); | |
4c84a8f1 JB |
1561 | DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); |
1562 | DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); | |
1563 | DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); | |
1564 | DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR); | |
1565 | DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR); | |
1566 | DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); | |
4c84a8f1 | 1567 | DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); |
528c3126 | 1568 | DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); |
b8c76267 AK |
1569 | DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); |
1570 | DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); | |
1571 | DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); | |
1572 | ||
65d1f896 | 1573 | if (priv->cfg->sensitivity_calib_by_driver) |
4c84a8f1 | 1574 | DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); |
65d1f896 | 1575 | if (priv->cfg->chain_noise_calib_by_driver) |
4c84a8f1 | 1576 | DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); |
6e5c800e | 1577 | if (priv->cfg->ucode_tracing) |
4c84a8f1 | 1578 | DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); |
60987206 JB |
1579 | DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); |
1580 | DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); | |
65d1f896 WYG |
1581 | if (priv->cfg->sensitivity_calib_by_driver) |
1582 | DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, | |
1583 | &priv->disable_sens_cal); | |
1584 | if (priv->cfg->chain_noise_calib_by_driver) | |
1585 | DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, | |
1586 | &priv->disable_chain_noise_cal); | |
4e7033ef | 1587 | if (priv->cfg->tx_power_by_driver) |
4c84a8f1 | 1588 | DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, |
030b8655 | 1589 | &priv->disable_tx_power_cal); |
712b6cf5 TW |
1590 | return 0; |
1591 | ||
1592 | err: | |
4c84a8f1 | 1593 | IWL_ERR(priv, "Can't create the debugfs directory\n"); |
712b6cf5 | 1594 | iwl_dbgfs_unregister(priv); |
4c84a8f1 | 1595 | return -ENOMEM; |
712b6cf5 TW |
1596 | } |
1597 | EXPORT_SYMBOL(iwl_dbgfs_register); | |
1598 | ||
1599 | /** | |
1600 | * Remove the debugfs files and directories | |
1601 | * | |
1602 | */ | |
1603 | void iwl_dbgfs_unregister(struct iwl_priv *priv) | |
1604 | { | |
4c84a8f1 | 1605 | if (!priv->debugfs_dir) |
712b6cf5 TW |
1606 | return; |
1607 | ||
4c84a8f1 JB |
1608 | debugfs_remove_recursive(priv->debugfs_dir); |
1609 | priv->debugfs_dir = NULL; | |
712b6cf5 TW |
1610 | } |
1611 | EXPORT_SYMBOL(iwl_dbgfs_unregister); | |
1612 | ||
1613 | ||
445c2dff | 1614 |