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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 | ||
109 | ||
110 | static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file, | |
111 | char __user *user_buf, | |
112 | size_t count, loff_t *ppos) { | |
113 | ||
28f63a4b | 114 | struct iwl_priv *priv = file->private_data; |
22fdf3c9 | 115 | char *buf; |
712b6cf5 TW |
116 | int pos = 0; |
117 | ||
22fdf3c9 WYG |
118 | int cnt; |
119 | ssize_t ret; | |
98a7b43b WYG |
120 | const size_t bufsz = 100 + |
121 | sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); | |
22fdf3c9 WYG |
122 | buf = kzalloc(bufsz, GFP_KERNEL); |
123 | if (!buf) | |
124 | return -ENOMEM; | |
125 | pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); | |
126 | for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { | |
127 | pos += scnprintf(buf + pos, bufsz - pos, | |
98a7b43b | 128 | "\t%25s\t\t: %u\n", |
22fdf3c9 WYG |
129 | get_mgmt_string(cnt), |
130 | priv->tx_stats.mgmt[cnt]); | |
131 | } | |
132 | pos += scnprintf(buf + pos, bufsz - pos, "Control\n"); | |
133 | for (cnt = 0; cnt < CONTROL_MAX; cnt++) { | |
134 | pos += scnprintf(buf + pos, bufsz - pos, | |
98a7b43b | 135 | "\t%25s\t\t: %u\n", |
22fdf3c9 WYG |
136 | get_ctrl_string(cnt), |
137 | priv->tx_stats.ctrl[cnt]); | |
138 | } | |
139 | pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); | |
140 | pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", | |
141 | priv->tx_stats.data_cnt); | |
142 | pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", | |
143 | priv->tx_stats.data_bytes); | |
144 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
145 | kfree(buf); | |
146 | return ret; | |
147 | } | |
148 | ||
7163b8a4 | 149 | static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file, |
22fdf3c9 WYG |
150 | const char __user *user_buf, |
151 | size_t count, loff_t *ppos) | |
152 | { | |
153 | struct iwl_priv *priv = file->private_data; | |
154 | u32 clear_flag; | |
155 | char buf[8]; | |
156 | int buf_size; | |
712b6cf5 | 157 | |
22fdf3c9 WYG |
158 | memset(buf, 0, sizeof(buf)); |
159 | buf_size = min(count, sizeof(buf) - 1); | |
160 | if (copy_from_user(buf, user_buf, buf_size)) | |
161 | return -EFAULT; | |
162 | if (sscanf(buf, "%x", &clear_flag) != 1) | |
163 | return -EFAULT; | |
7163b8a4 | 164 | iwl_clear_traffic_stats(priv); |
22fdf3c9 WYG |
165 | |
166 | return count; | |
712b6cf5 TW |
167 | } |
168 | ||
169 | static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file, | |
170 | char __user *user_buf, | |
171 | size_t count, loff_t *ppos) { | |
172 | ||
28f63a4b | 173 | struct iwl_priv *priv = file->private_data; |
22fdf3c9 | 174 | char *buf; |
712b6cf5 | 175 | int pos = 0; |
22fdf3c9 WYG |
176 | int cnt; |
177 | ssize_t ret; | |
178 | const size_t bufsz = 100 + | |
98a7b43b | 179 | sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX); |
22fdf3c9 WYG |
180 | buf = kzalloc(bufsz, GFP_KERNEL); |
181 | if (!buf) | |
182 | return -ENOMEM; | |
712b6cf5 | 183 | |
22fdf3c9 WYG |
184 | pos += scnprintf(buf + pos, bufsz - pos, "Management:\n"); |
185 | for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) { | |
186 | pos += scnprintf(buf + pos, bufsz - pos, | |
98a7b43b | 187 | "\t%25s\t\t: %u\n", |
22fdf3c9 WYG |
188 | get_mgmt_string(cnt), |
189 | priv->rx_stats.mgmt[cnt]); | |
190 | } | |
191 | pos += scnprintf(buf + pos, bufsz - pos, "Control:\n"); | |
192 | for (cnt = 0; cnt < CONTROL_MAX; cnt++) { | |
193 | pos += scnprintf(buf + pos, bufsz - pos, | |
98a7b43b | 194 | "\t%25s\t\t: %u\n", |
22fdf3c9 WYG |
195 | get_ctrl_string(cnt), |
196 | priv->rx_stats.ctrl[cnt]); | |
197 | } | |
198 | pos += scnprintf(buf + pos, bufsz - pos, "Data:\n"); | |
199 | pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n", | |
200 | priv->rx_stats.data_cnt); | |
201 | pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n", | |
202 | priv->rx_stats.data_bytes); | |
712b6cf5 | 203 | |
22fdf3c9 WYG |
204 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
205 | kfree(buf); | |
206 | return ret; | |
207 | } | |
208 | ||
712b6cf5 TW |
209 | #define BYTE1_MASK 0x000000ff; |
210 | #define BYTE2_MASK 0x0000ffff; | |
211 | #define BYTE3_MASK 0x00ffffff; | |
212 | static ssize_t iwl_dbgfs_sram_read(struct file *file, | |
213 | char __user *user_buf, | |
214 | size_t count, loff_t *ppos) | |
215 | { | |
216 | u32 val; | |
2943f136 | 217 | char *buf; |
712b6cf5 TW |
218 | ssize_t ret; |
219 | int i; | |
220 | int pos = 0; | |
28f63a4b | 221 | struct iwl_priv *priv = file->private_data; |
2943f136 | 222 | size_t bufsz; |
712b6cf5 | 223 | |
5ade1e4d | 224 | /* default is to dump the entire data segment */ |
4c84a8f1 JB |
225 | if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { |
226 | priv->dbgfs_sram_offset = 0x800000; | |
5ade1e4d | 227 | if (priv->ucode_type == UCODE_INIT) |
4c84a8f1 | 228 | priv->dbgfs_sram_len = priv->ucode_init_data.len; |
5ade1e4d | 229 | else |
4c84a8f1 | 230 | priv->dbgfs_sram_len = priv->ucode_data.len; |
5ade1e4d | 231 | } |
4c84a8f1 | 232 | bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10; |
2943f136 WYG |
233 | buf = kmalloc(bufsz, GFP_KERNEL); |
234 | if (!buf) | |
235 | return -ENOMEM; | |
5ade1e4d | 236 | pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", |
4c84a8f1 | 237 | priv->dbgfs_sram_len); |
5ade1e4d | 238 | pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", |
4c84a8f1 JB |
239 | priv->dbgfs_sram_offset); |
240 | for (i = priv->dbgfs_sram_len; i > 0; i -= 4) { | |
241 | val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \ | |
242 | priv->dbgfs_sram_len - i); | |
712b6cf5 TW |
243 | if (i < 4) { |
244 | switch (i) { | |
245 | case 1: | |
246 | val &= BYTE1_MASK; | |
247 | break; | |
248 | case 2: | |
249 | val &= BYTE2_MASK; | |
250 | break; | |
251 | case 3: | |
252 | val &= BYTE3_MASK; | |
253 | break; | |
254 | } | |
255 | } | |
2943f136 WYG |
256 | if (!(i % 16)) |
257 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
db0589f3 | 258 | pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val); |
712b6cf5 | 259 | } |
db0589f3 | 260 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
712b6cf5 TW |
261 | |
262 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2943f136 | 263 | kfree(buf); |
712b6cf5 TW |
264 | return ret; |
265 | } | |
266 | ||
267 | static ssize_t iwl_dbgfs_sram_write(struct file *file, | |
268 | const char __user *user_buf, | |
269 | size_t count, loff_t *ppos) | |
270 | { | |
271 | struct iwl_priv *priv = file->private_data; | |
272 | char buf[64]; | |
273 | int buf_size; | |
274 | u32 offset, len; | |
275 | ||
276 | memset(buf, 0, sizeof(buf)); | |
277 | buf_size = min(count, sizeof(buf) - 1); | |
278 | if (copy_from_user(buf, user_buf, buf_size)) | |
279 | return -EFAULT; | |
280 | ||
281 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { | |
4c84a8f1 JB |
282 | priv->dbgfs_sram_offset = offset; |
283 | priv->dbgfs_sram_len = len; | |
712b6cf5 | 284 | } else { |
4c84a8f1 JB |
285 | priv->dbgfs_sram_offset = 0; |
286 | priv->dbgfs_sram_len = 0; | |
712b6cf5 TW |
287 | } |
288 | ||
289 | return count; | |
290 | } | |
291 | ||
292 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, | |
293 | size_t count, loff_t *ppos) | |
294 | { | |
28f63a4b | 295 | struct iwl_priv *priv = file->private_data; |
6def9761 | 296 | struct iwl_station_entry *station; |
5425e490 | 297 | int max_sta = priv->hw_params.max_stations; |
712b6cf5 TW |
298 | char *buf; |
299 | int i, j, pos = 0; | |
300 | ssize_t ret; | |
301 | /* Add 30 for initial string */ | |
302 | const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations); | |
712b6cf5 TW |
303 | |
304 | buf = kmalloc(bufsz, GFP_KERNEL); | |
3ac7f146 | 305 | if (!buf) |
712b6cf5 TW |
306 | return -ENOMEM; |
307 | ||
db0589f3 | 308 | pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n", |
712b6cf5 TW |
309 | priv->num_stations); |
310 | ||
311 | for (i = 0; i < max_sta; i++) { | |
312 | station = &priv->stations[i]; | |
313 | if (station->used) { | |
db0589f3 AK |
314 | pos += scnprintf(buf + pos, bufsz - pos, |
315 | "station %d:\ngeneral data:\n", i+1); | |
db0589f3 | 316 | pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n", |
712b6cf5 | 317 | station->sta.sta.sta_id); |
db0589f3 | 318 | pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n", |
712b6cf5 | 319 | station->sta.mode); |
db0589f3 AK |
320 | pos += scnprintf(buf + pos, bufsz - pos, |
321 | "flags: 0x%x\n", | |
712b6cf5 | 322 | station->sta.station_flags_msk); |
db0589f3 AK |
323 | pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n"); |
324 | pos += scnprintf(buf + pos, bufsz - pos, | |
344234de | 325 | "seq_num\t\ttxq_id"); |
db0589f3 | 326 | pos += scnprintf(buf + pos, bufsz - pos, |
344234de | 327 | "\tframe_count\twait_for_ba\t"); |
db0589f3 AK |
328 | pos += scnprintf(buf + pos, bufsz - pos, |
329 | "start_idx\tbitmap0\t"); | |
330 | pos += scnprintf(buf + pos, bufsz - pos, | |
344234de | 331 | "bitmap1\trate_n_flags"); |
344234de | 332 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
712b6cf5 TW |
333 | |
334 | for (j = 0; j < MAX_TID_COUNT; j++) { | |
db0589f3 | 335 | pos += scnprintf(buf + pos, bufsz - pos, |
344234de | 336 | "[%d]:\t\t%u", j, |
db0589f3 AK |
337 | station->tid[j].seq_number); |
338 | pos += scnprintf(buf + pos, bufsz - pos, | |
344234de | 339 | "\t%u\t\t%u\t\t%u\t\t", |
712b6cf5 TW |
340 | station->tid[j].agg.txq_id, |
341 | station->tid[j].agg.frame_count, | |
342 | station->tid[j].agg.wait_for_ba); | |
db0589f3 | 343 | pos += scnprintf(buf + pos, bufsz - pos, |
344234de | 344 | "%u\t%llu\t%u", |
712b6cf5 | 345 | station->tid[j].agg.start_idx, |
16788599 | 346 | (unsigned long long)station->tid[j].agg.bitmap, |
712b6cf5 | 347 | station->tid[j].agg.rate_n_flags); |
344234de | 348 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
712b6cf5 | 349 | } |
db0589f3 | 350 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); |
712b6cf5 TW |
351 | } |
352 | } | |
353 | ||
354 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
355 | kfree(buf); | |
356 | return ret; | |
357 | } | |
358 | ||
0848e297 | 359 | static ssize_t iwl_dbgfs_nvm_read(struct file *file, |
8dd266ef TW |
360 | char __user *user_buf, |
361 | size_t count, | |
362 | loff_t *ppos) | |
363 | { | |
364 | ssize_t ret; | |
28f63a4b | 365 | struct iwl_priv *priv = file->private_data; |
8dd266ef TW |
366 | int pos = 0, ofs = 0, buf_size = 0; |
367 | const u8 *ptr; | |
368 | char *buf; | |
e307ddce | 369 | u16 eeprom_ver; |
8dd266ef TW |
370 | size_t eeprom_len = priv->cfg->eeprom_size; |
371 | buf_size = 4 * eeprom_len + 256; | |
372 | ||
373 | if (eeprom_len % 16) { | |
0848e297 | 374 | IWL_ERR(priv, "NVM size is not multiple of 16.\n"); |
8dd266ef TW |
375 | return -ENODATA; |
376 | } | |
377 | ||
c37457e6 JL |
378 | ptr = priv->eeprom; |
379 | if (!ptr) { | |
380 | IWL_ERR(priv, "Invalid EEPROM/OTP memory\n"); | |
381 | return -ENOMEM; | |
382 | } | |
383 | ||
8dd266ef TW |
384 | /* 4 characters for byte 0xYY */ |
385 | buf = kzalloc(buf_size, GFP_KERNEL); | |
386 | if (!buf) { | |
15b1687c | 387 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
8dd266ef TW |
388 | return -ENOMEM; |
389 | } | |
e307ddce WYG |
390 | eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); |
391 | pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, " | |
392 | "version: 0x%x\n", | |
0848e297 | 393 | (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) |
e307ddce | 394 | ? "OTP" : "EEPROM", eeprom_ver); |
8dd266ef TW |
395 | for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { |
396 | pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); | |
397 | hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, | |
398 | buf_size - pos, 0); | |
2fac9717 | 399 | pos += strlen(buf + pos); |
8dd266ef TW |
400 | if (buf_size - pos > 0) |
401 | buf[pos++] = '\n'; | |
402 | } | |
403 | ||
404 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
405 | kfree(buf); | |
406 | return ret; | |
407 | } | |
712b6cf5 | 408 | |
b03d7d0f WYG |
409 | static ssize_t iwl_dbgfs_log_event_read(struct file *file, |
410 | char __user *user_buf, | |
411 | size_t count, loff_t *ppos) | |
412 | { | |
413 | struct iwl_priv *priv = file->private_data; | |
414 | char *buf; | |
415 | int pos = 0; | |
416 | ssize_t ret = -ENOMEM; | |
417 | ||
937c397e WYG |
418 | ret = pos = priv->cfg->ops->lib->dump_nic_event_log( |
419 | priv, true, &buf, true); | |
420 | if (buf) { | |
b03d7d0f WYG |
421 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
422 | kfree(buf); | |
423 | } | |
424 | return ret; | |
425 | } | |
426 | ||
189a2b59 EK |
427 | static ssize_t iwl_dbgfs_log_event_write(struct file *file, |
428 | const char __user *user_buf, | |
429 | size_t count, loff_t *ppos) | |
430 | { | |
431 | struct iwl_priv *priv = file->private_data; | |
432 | u32 event_log_flag; | |
433 | char buf[8]; | |
434 | int buf_size; | |
435 | ||
436 | memset(buf, 0, sizeof(buf)); | |
437 | buf_size = min(count, sizeof(buf) - 1); | |
438 | if (copy_from_user(buf, user_buf, buf_size)) | |
439 | return -EFAULT; | |
440 | if (sscanf(buf, "%d", &event_log_flag) != 1) | |
441 | return -EFAULT; | |
442 | if (event_log_flag == 1) | |
b03d7d0f WYG |
443 | priv->cfg->ops->lib->dump_nic_event_log(priv, true, |
444 | NULL, false); | |
189a2b59 EK |
445 | |
446 | return count; | |
447 | } | |
448 | ||
d366df5a WT |
449 | |
450 | ||
451 | static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, | |
452 | size_t count, loff_t *ppos) | |
453 | { | |
28f63a4b | 454 | struct iwl_priv *priv = file->private_data; |
d366df5a WT |
455 | struct ieee80211_channel *channels = NULL; |
456 | const struct ieee80211_supported_band *supp_band = NULL; | |
457 | int pos = 0, i, bufsz = PAGE_SIZE; | |
458 | char *buf; | |
459 | ssize_t ret; | |
460 | ||
461 | if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) | |
462 | return -EAGAIN; | |
463 | ||
464 | buf = kzalloc(bufsz, GFP_KERNEL); | |
465 | if (!buf) { | |
15b1687c | 466 | IWL_ERR(priv, "Can not allocate Buffer\n"); |
d366df5a WT |
467 | return -ENOMEM; |
468 | } | |
469 | ||
470 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); | |
a2e2322d WYG |
471 | if (supp_band) { |
472 | channels = supp_band->channels; | |
d366df5a | 473 | |
d366df5a | 474 | pos += scnprintf(buf + pos, bufsz - pos, |
a2e2322d WYG |
475 | "Displaying %d channels in 2.4GHz band 802.11bg):\n", |
476 | supp_band->n_channels); | |
d366df5a | 477 | |
a2e2322d WYG |
478 | for (i = 0; i < supp_band->n_channels; i++) |
479 | pos += scnprintf(buf + pos, bufsz - pos, | |
480 | "%d: %ddBm: BSS%s%s, %s.\n", | |
481 | ieee80211_frequency_to_channel( | |
482 | channels[i].center_freq), | |
483 | channels[i].max_power, | |
484 | channels[i].flags & IEEE80211_CHAN_RADAR ? | |
485 | " (IEEE 802.11h required)" : "", | |
486 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) | |
487 | || (channels[i].flags & | |
488 | IEEE80211_CHAN_RADAR)) ? "" : | |
489 | ", IBSS", | |
490 | channels[i].flags & | |
491 | IEEE80211_CHAN_PASSIVE_SCAN ? | |
492 | "passive only" : "active/passive"); | |
493 | } | |
d366df5a | 494 | supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); |
a2e2322d WYG |
495 | if (supp_band) { |
496 | channels = supp_band->channels; | |
d366df5a | 497 | |
d366df5a | 498 | pos += scnprintf(buf + pos, bufsz - pos, |
a2e2322d WYG |
499 | "Displaying %d channels in 5.2GHz band (802.11a)\n", |
500 | supp_band->n_channels); | |
501 | ||
502 | for (i = 0; i < supp_band->n_channels; i++) | |
503 | pos += scnprintf(buf + pos, bufsz - pos, | |
504 | "%d: %ddBm: BSS%s%s, %s.\n", | |
505 | ieee80211_frequency_to_channel( | |
506 | channels[i].center_freq), | |
507 | channels[i].max_power, | |
508 | channels[i].flags & IEEE80211_CHAN_RADAR ? | |
509 | " (IEEE 802.11h required)" : "", | |
510 | ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) | |
511 | || (channels[i].flags & | |
512 | IEEE80211_CHAN_RADAR)) ? "" : | |
513 | ", IBSS", | |
514 | channels[i].flags & | |
515 | IEEE80211_CHAN_PASSIVE_SCAN ? | |
516 | "passive only" : "active/passive"); | |
517 | } | |
d366df5a WT |
518 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
519 | kfree(buf); | |
520 | return ret; | |
521 | } | |
522 | ||
08df05aa WYG |
523 | static ssize_t iwl_dbgfs_status_read(struct file *file, |
524 | char __user *user_buf, | |
525 | size_t count, loff_t *ppos) { | |
526 | ||
28f63a4b | 527 | struct iwl_priv *priv = file->private_data; |
08df05aa WYG |
528 | char buf[512]; |
529 | int pos = 0; | |
530 | const size_t bufsz = sizeof(buf); | |
531 | ||
532 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", | |
533 | test_bit(STATUS_HCMD_ACTIVE, &priv->status)); | |
08df05aa WYG |
534 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", |
535 | test_bit(STATUS_INT_ENABLED, &priv->status)); | |
536 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", | |
537 | test_bit(STATUS_RF_KILL_HW, &priv->status)); | |
7812b167 WYG |
538 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", |
539 | test_bit(STATUS_CT_KILL, &priv->status)); | |
08df05aa WYG |
540 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", |
541 | test_bit(STATUS_INIT, &priv->status)); | |
542 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", | |
543 | test_bit(STATUS_ALIVE, &priv->status)); | |
544 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", | |
545 | test_bit(STATUS_READY, &priv->status)); | |
546 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", | |
547 | test_bit(STATUS_TEMPERATURE, &priv->status)); | |
548 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", | |
549 | test_bit(STATUS_GEO_CONFIGURED, &priv->status)); | |
550 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", | |
551 | test_bit(STATUS_EXIT_PENDING, &priv->status)); | |
08df05aa WYG |
552 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", |
553 | test_bit(STATUS_STATISTICS, &priv->status)); | |
554 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", | |
555 | test_bit(STATUS_SCANNING, &priv->status)); | |
556 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", | |
557 | test_bit(STATUS_SCAN_ABORTING, &priv->status)); | |
558 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", | |
559 | test_bit(STATUS_SCAN_HW, &priv->status)); | |
560 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", | |
561 | test_bit(STATUS_POWER_PMI, &priv->status)); | |
562 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", | |
563 | test_bit(STATUS_FW_ERROR, &priv->status)); | |
564 | pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n", | |
565 | test_bit(STATUS_MODE_PENDING, &priv->status)); | |
566 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
567 | } | |
568 | ||
a83b9141 WYG |
569 | static ssize_t iwl_dbgfs_interrupt_read(struct file *file, |
570 | char __user *user_buf, | |
571 | size_t count, loff_t *ppos) { | |
572 | ||
28f63a4b | 573 | struct iwl_priv *priv = file->private_data; |
a83b9141 WYG |
574 | int pos = 0; |
575 | int cnt = 0; | |
576 | char *buf; | |
577 | int bufsz = 24 * 64; /* 24 items * 64 char per item */ | |
578 | ssize_t ret; | |
579 | ||
580 | buf = kzalloc(bufsz, GFP_KERNEL); | |
581 | if (!buf) { | |
582 | IWL_ERR(priv, "Can not allocate Buffer\n"); | |
583 | return -ENOMEM; | |
584 | } | |
585 | ||
586 | pos += scnprintf(buf + pos, bufsz - pos, | |
587 | "Interrupt Statistics Report:\n"); | |
588 | ||
589 | pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n", | |
590 | priv->isr_stats.hw); | |
591 | pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n", | |
592 | priv->isr_stats.sw); | |
593 | if (priv->isr_stats.sw > 0) { | |
594 | pos += scnprintf(buf + pos, bufsz - pos, | |
595 | "\tLast Restarting Code: 0x%X\n", | |
596 | priv->isr_stats.sw_err); | |
597 | } | |
598 | #ifdef CONFIG_IWLWIFI_DEBUG | |
599 | pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n", | |
600 | priv->isr_stats.sch); | |
601 | pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n", | |
602 | priv->isr_stats.alive); | |
603 | #endif | |
604 | pos += scnprintf(buf + pos, bufsz - pos, | |
605 | "HW RF KILL switch toggled:\t %u\n", | |
606 | priv->isr_stats.rfkill); | |
607 | ||
608 | pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n", | |
609 | priv->isr_stats.ctkill); | |
610 | ||
611 | pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n", | |
612 | priv->isr_stats.wakeup); | |
613 | ||
614 | pos += scnprintf(buf + pos, bufsz - pos, | |
615 | "Rx command responses:\t\t %u\n", | |
616 | priv->isr_stats.rx); | |
617 | for (cnt = 0; cnt < REPLY_MAX; cnt++) { | |
618 | if (priv->isr_stats.rx_handlers[cnt] > 0) | |
619 | pos += scnprintf(buf + pos, bufsz - pos, | |
620 | "\tRx handler[%36s]:\t\t %u\n", | |
621 | get_cmd_string(cnt), | |
622 | priv->isr_stats.rx_handlers[cnt]); | |
623 | } | |
624 | ||
625 | pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n", | |
626 | priv->isr_stats.tx); | |
627 | ||
628 | pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n", | |
629 | priv->isr_stats.unhandled); | |
630 | ||
631 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
632 | kfree(buf); | |
633 | return ret; | |
634 | } | |
635 | ||
636 | static ssize_t iwl_dbgfs_interrupt_write(struct file *file, | |
637 | const char __user *user_buf, | |
638 | size_t count, loff_t *ppos) | |
639 | { | |
640 | struct iwl_priv *priv = file->private_data; | |
641 | char buf[8]; | |
642 | int buf_size; | |
643 | u32 reset_flag; | |
644 | ||
645 | memset(buf, 0, sizeof(buf)); | |
646 | buf_size = min(count, sizeof(buf) - 1); | |
647 | if (copy_from_user(buf, user_buf, buf_size)) | |
648 | return -EFAULT; | |
649 | if (sscanf(buf, "%x", &reset_flag) != 1) | |
650 | return -EFAULT; | |
651 | if (reset_flag == 0) | |
652 | iwl_clear_isr_stats(priv); | |
653 | ||
654 | return count; | |
655 | } | |
656 | ||
f5ad69fa WYG |
657 | static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf, |
658 | size_t count, loff_t *ppos) | |
659 | { | |
28f63a4b | 660 | struct iwl_priv *priv = file->private_data; |
f5ad69fa WYG |
661 | int pos = 0, i; |
662 | char buf[256]; | |
663 | const size_t bufsz = sizeof(buf); | |
664 | ssize_t ret; | |
665 | ||
666 | for (i = 0; i < AC_NUM; i++) { | |
667 | pos += scnprintf(buf + pos, bufsz - pos, | |
668 | "\tcw_min\tcw_max\taifsn\ttxop\n"); | |
669 | pos += scnprintf(buf + pos, bufsz - pos, | |
670 | "AC[%d]\t%u\t%u\t%u\t%u\n", i, | |
671 | priv->qos_data.def_qos_parm.ac[i].cw_min, | |
672 | priv->qos_data.def_qos_parm.ac[i].cw_max, | |
673 | priv->qos_data.def_qos_parm.ac[i].aifsn, | |
674 | priv->qos_data.def_qos_parm.ac[i].edca_txop); | |
675 | } | |
676 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
677 | return ret; | |
678 | } | |
a83b9141 | 679 | |
a283c011 WYG |
680 | static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, |
681 | size_t count, loff_t *ppos) | |
682 | { | |
28f63a4b | 683 | struct iwl_priv *priv = file->private_data; |
a283c011 WYG |
684 | int pos = 0; |
685 | char buf[256]; | |
686 | const size_t bufsz = sizeof(buf); | |
687 | ssize_t ret; | |
688 | ||
689 | pos += scnprintf(buf + pos, bufsz - pos, | |
690 | "allow blinking: %s\n", | |
691 | (priv->allow_blinking) ? "True" : "False"); | |
692 | if (priv->allow_blinking) { | |
693 | pos += scnprintf(buf + pos, bufsz - pos, | |
694 | "Led blinking rate: %u\n", | |
695 | priv->last_blink_rate); | |
696 | pos += scnprintf(buf + pos, bufsz - pos, | |
697 | "Last blink time: %lu\n", | |
698 | priv->last_blink_time); | |
699 | } | |
700 | ||
701 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
702 | return ret; | |
703 | } | |
a283c011 | 704 | |
fbf3a2af WYG |
705 | static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, |
706 | char __user *user_buf, | |
707 | size_t count, loff_t *ppos) | |
708 | { | |
28f63a4b | 709 | struct iwl_priv *priv = file->private_data; |
3ad3b92a | 710 | struct iwl_tt_mgmt *tt = &priv->thermal_throttle; |
fbf3a2af WYG |
711 | struct iwl_tt_restriction *restriction; |
712 | char buf[100]; | |
713 | int pos = 0; | |
714 | const size_t bufsz = sizeof(buf); | |
715 | ssize_t ret; | |
716 | ||
717 | pos += scnprintf(buf + pos, bufsz - pos, | |
718 | "Thermal Throttling Mode: %s\n", | |
3ad3b92a | 719 | tt->advanced_tt ? "Advance" : "Legacy"); |
fbf3a2af WYG |
720 | pos += scnprintf(buf + pos, bufsz - pos, |
721 | "Thermal Throttling State: %d\n", | |
722 | tt->state); | |
3ad3b92a | 723 | if (tt->advanced_tt) { |
fbf3a2af WYG |
724 | restriction = tt->restriction + tt->state; |
725 | pos += scnprintf(buf + pos, bufsz - pos, | |
726 | "Tx mode: %d\n", | |
727 | restriction->tx_stream); | |
728 | pos += scnprintf(buf + pos, bufsz - pos, | |
729 | "Rx mode: %d\n", | |
730 | restriction->rx_stream); | |
731 | pos += scnprintf(buf + pos, bufsz - pos, | |
732 | "HT mode: %d\n", | |
733 | restriction->is_ht); | |
734 | } | |
735 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
736 | return ret; | |
737 | } | |
738 | ||
1e4247d4 WYG |
739 | static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, |
740 | const char __user *user_buf, | |
741 | size_t count, loff_t *ppos) | |
742 | { | |
743 | struct iwl_priv *priv = file->private_data; | |
744 | char buf[8]; | |
745 | int buf_size; | |
746 | int ht40; | |
747 | ||
748 | memset(buf, 0, sizeof(buf)); | |
749 | buf_size = min(count, sizeof(buf) - 1); | |
750 | if (copy_from_user(buf, user_buf, buf_size)) | |
751 | return -EFAULT; | |
752 | if (sscanf(buf, "%d", &ht40) != 1) | |
753 | return -EFAULT; | |
754 | if (!iwl_is_associated(priv)) | |
755 | priv->disable_ht40 = ht40 ? true : false; | |
756 | else { | |
757 | IWL_ERR(priv, "Sta associated with AP - " | |
758 | "Change to 40MHz channel support is not allowed\n"); | |
759 | return -EINVAL; | |
760 | } | |
761 | ||
762 | return count; | |
763 | } | |
764 | ||
765 | static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, | |
766 | char __user *user_buf, | |
767 | size_t count, loff_t *ppos) | |
768 | { | |
28f63a4b | 769 | struct iwl_priv *priv = file->private_data; |
1e4247d4 WYG |
770 | char buf[100]; |
771 | int pos = 0; | |
772 | const size_t bufsz = sizeof(buf); | |
773 | ssize_t ret; | |
774 | ||
775 | pos += scnprintf(buf + pos, bufsz - pos, | |
776 | "11n 40MHz Mode: %s\n", | |
777 | priv->disable_ht40 ? "Disabled" : "Enabled"); | |
778 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
779 | return ret; | |
780 | } | |
781 | ||
e312c24c JB |
782 | static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, |
783 | const char __user *user_buf, | |
784 | size_t count, loff_t *ppos) | |
785 | { | |
786 | struct iwl_priv *priv = file->private_data; | |
787 | char buf[8]; | |
788 | int buf_size; | |
789 | int value; | |
790 | ||
791 | memset(buf, 0, sizeof(buf)); | |
792 | buf_size = min(count, sizeof(buf) - 1); | |
793 | if (copy_from_user(buf, user_buf, buf_size)) | |
794 | return -EFAULT; | |
795 | ||
796 | if (sscanf(buf, "%d", &value) != 1) | |
797 | return -EINVAL; | |
798 | ||
799 | /* | |
800 | * Our users expect 0 to be "CAM", but 0 isn't actually | |
801 | * valid here. However, let's not confuse them and present | |
802 | * IWL_POWER_INDEX_1 as "1", not "0". | |
803 | */ | |
1a34c043 RC |
804 | if (value == 0) |
805 | return -EINVAL; | |
806 | else if (value > 0) | |
e312c24c JB |
807 | value -= 1; |
808 | ||
809 | if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) | |
810 | return -EINVAL; | |
811 | ||
4ad177b5 WYG |
812 | if (!iwl_is_ready_rf(priv)) |
813 | return -EAGAIN; | |
814 | ||
e312c24c JB |
815 | priv->power_data.debug_sleep_level_override = value; |
816 | ||
d3a57197 | 817 | mutex_lock(&priv->mutex); |
4ad177b5 | 818 | iwl_power_update_mode(priv, true); |
d3a57197 | 819 | mutex_unlock(&priv->mutex); |
e312c24c JB |
820 | |
821 | return count; | |
822 | } | |
823 | ||
824 | static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file, | |
825 | char __user *user_buf, | |
826 | size_t count, loff_t *ppos) | |
827 | { | |
28f63a4b | 828 | struct iwl_priv *priv = file->private_data; |
e312c24c JB |
829 | char buf[10]; |
830 | int pos, value; | |
831 | const size_t bufsz = sizeof(buf); | |
832 | ||
833 | /* see the write function */ | |
834 | value = priv->power_data.debug_sleep_level_override; | |
835 | if (value >= 0) | |
836 | value += 1; | |
837 | ||
838 | pos = scnprintf(buf, bufsz, "%d\n", value); | |
839 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
840 | } | |
841 | ||
842 | static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, | |
843 | char __user *user_buf, | |
844 | size_t count, loff_t *ppos) | |
845 | { | |
28f63a4b | 846 | struct iwl_priv *priv = file->private_data; |
e312c24c JB |
847 | char buf[200]; |
848 | int pos = 0, i; | |
849 | const size_t bufsz = sizeof(buf); | |
850 | struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd; | |
851 | ||
852 | pos += scnprintf(buf + pos, bufsz - pos, | |
853 | "flags: %#.2x\n", le16_to_cpu(cmd->flags)); | |
854 | pos += scnprintf(buf + pos, bufsz - pos, | |
855 | "RX/TX timeout: %d/%d usec\n", | |
856 | le32_to_cpu(cmd->rx_data_timeout), | |
857 | le32_to_cpu(cmd->tx_data_timeout)); | |
858 | for (i = 0; i < IWL_POWER_VEC_SIZE; i++) | |
859 | pos += scnprintf(buf + pos, bufsz - pos, | |
860 | "sleep_interval[%d]: %d\n", i, | |
861 | le32_to_cpu(cmd->sleep_interval[i])); | |
862 | ||
863 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
864 | } | |
865 | ||
712b6cf5 | 866 | DEBUGFS_READ_WRITE_FILE_OPS(sram); |
b03d7d0f | 867 | DEBUGFS_READ_WRITE_FILE_OPS(log_event); |
0848e297 | 868 | DEBUGFS_READ_FILE_OPS(nvm); |
712b6cf5 | 869 | DEBUGFS_READ_FILE_OPS(stations); |
d366df5a | 870 | DEBUGFS_READ_FILE_OPS(channels); |
08df05aa | 871 | DEBUGFS_READ_FILE_OPS(status); |
a83b9141 | 872 | DEBUGFS_READ_WRITE_FILE_OPS(interrupt); |
f5ad69fa | 873 | DEBUGFS_READ_FILE_OPS(qos); |
a283c011 | 874 | DEBUGFS_READ_FILE_OPS(led); |
fbf3a2af | 875 | DEBUGFS_READ_FILE_OPS(thermal_throttling); |
1e4247d4 | 876 | DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); |
e312c24c JB |
877 | DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); |
878 | DEBUGFS_READ_FILE_OPS(current_sleep_command); | |
712b6cf5 | 879 | |
20594eb0 WYG |
880 | static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, |
881 | char __user *user_buf, | |
882 | size_t count, loff_t *ppos) | |
883 | { | |
884 | struct iwl_priv *priv = file->private_data; | |
885 | int pos = 0, ofs = 0; | |
886 | int cnt = 0, entry; | |
887 | struct iwl_tx_queue *txq; | |
888 | struct iwl_queue *q; | |
889 | struct iwl_rx_queue *rxq = &priv->rxq; | |
890 | char *buf; | |
891 | int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + | |
88804e2b | 892 | (priv->cfg->num_of_queues * 32 * 8) + 400; |
20594eb0 WYG |
893 | const u8 *ptr; |
894 | ssize_t ret; | |
895 | ||
88804e2b WYG |
896 | if (!priv->txq) { |
897 | IWL_ERR(priv, "txq not ready\n"); | |
898 | return -EAGAIN; | |
899 | } | |
20594eb0 WYG |
900 | buf = kzalloc(bufsz, GFP_KERNEL); |
901 | if (!buf) { | |
902 | IWL_ERR(priv, "Can not allocate buffer\n"); | |
903 | return -ENOMEM; | |
904 | } | |
905 | pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); | |
906 | for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { | |
907 | txq = &priv->txq[cnt]; | |
908 | q = &txq->q; | |
909 | pos += scnprintf(buf + pos, bufsz - pos, | |
910 | "q[%d]: read_ptr: %u, write_ptr: %u\n", | |
911 | cnt, q->read_ptr, q->write_ptr); | |
912 | } | |
913 | if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) { | |
914 | ptr = priv->tx_traffic; | |
915 | pos += scnprintf(buf + pos, bufsz - pos, | |
916 | "Tx Traffic idx: %u\n", priv->tx_traffic_idx); | |
917 | for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { | |
918 | for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; | |
919 | entry++, ofs += 16) { | |
920 | pos += scnprintf(buf + pos, bufsz - pos, | |
921 | "0x%.4x ", ofs); | |
922 | hex_dump_to_buffer(ptr + ofs, 16, 16, 2, | |
923 | buf + pos, bufsz - pos, 0); | |
2fac9717 | 924 | pos += strlen(buf + pos); |
20594eb0 WYG |
925 | if (bufsz - pos > 0) |
926 | buf[pos++] = '\n'; | |
927 | } | |
928 | } | |
929 | } | |
930 | ||
931 | pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); | |
932 | pos += scnprintf(buf + pos, bufsz - pos, | |
933 | "read: %u, write: %u\n", | |
934 | rxq->read, rxq->write); | |
935 | ||
936 | if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) { | |
937 | ptr = priv->rx_traffic; | |
938 | pos += scnprintf(buf + pos, bufsz - pos, | |
939 | "Rx Traffic idx: %u\n", priv->rx_traffic_idx); | |
940 | for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) { | |
941 | for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16; | |
942 | entry++, ofs += 16) { | |
943 | pos += scnprintf(buf + pos, bufsz - pos, | |
944 | "0x%.4x ", ofs); | |
945 | hex_dump_to_buffer(ptr + ofs, 16, 16, 2, | |
946 | buf + pos, bufsz - pos, 0); | |
2fac9717 | 947 | pos += strlen(buf + pos); |
20594eb0 WYG |
948 | if (bufsz - pos > 0) |
949 | buf[pos++] = '\n'; | |
950 | } | |
951 | } | |
952 | } | |
953 | ||
954 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
955 | kfree(buf); | |
956 | return ret; | |
957 | } | |
958 | ||
959 | static ssize_t iwl_dbgfs_traffic_log_write(struct file *file, | |
960 | const char __user *user_buf, | |
961 | size_t count, loff_t *ppos) | |
962 | { | |
963 | struct iwl_priv *priv = file->private_data; | |
964 | char buf[8]; | |
965 | int buf_size; | |
966 | int traffic_log; | |
967 | ||
968 | memset(buf, 0, sizeof(buf)); | |
969 | buf_size = min(count, sizeof(buf) - 1); | |
970 | if (copy_from_user(buf, user_buf, buf_size)) | |
971 | return -EFAULT; | |
972 | if (sscanf(buf, "%d", &traffic_log) != 1) | |
973 | return -EFAULT; | |
974 | if (traffic_log == 0) | |
975 | iwl_reset_traffic_log(priv); | |
976 | ||
977 | return count; | |
978 | } | |
979 | ||
141b03e0 WYG |
980 | static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, |
981 | char __user *user_buf, | |
982 | size_t count, loff_t *ppos) { | |
983 | ||
28f63a4b | 984 | struct iwl_priv *priv = file->private_data; |
141b03e0 WYG |
985 | struct iwl_tx_queue *txq; |
986 | struct iwl_queue *q; | |
987 | char *buf; | |
988 | int pos = 0; | |
989 | int cnt; | |
990 | int ret; | |
d23db556 | 991 | const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues; |
141b03e0 | 992 | |
88804e2b WYG |
993 | if (!priv->txq) { |
994 | IWL_ERR(priv, "txq not ready\n"); | |
995 | return -EAGAIN; | |
996 | } | |
141b03e0 WYG |
997 | buf = kzalloc(bufsz, GFP_KERNEL); |
998 | if (!buf) | |
999 | return -ENOMEM; | |
1000 | ||
1001 | for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { | |
1002 | txq = &priv->txq[cnt]; | |
1003 | q = &txq->q; | |
1004 | pos += scnprintf(buf + pos, bufsz - pos, | |
1005 | "hwq %.2d: read=%u write=%u stop=%d" | |
1006 | " swq_id=%#.2x (ac %d/hwq %d)\n", | |
1007 | cnt, q->read_ptr, q->write_ptr, | |
1008 | !!test_bit(cnt, priv->queue_stopped), | |
1009 | txq->swq_id, | |
1010 | txq->swq_id & 0x80 ? txq->swq_id & 3 : | |
1011 | txq->swq_id, | |
1012 | txq->swq_id & 0x80 ? (txq->swq_id >> 2) & | |
1013 | 0x1f : txq->swq_id); | |
1014 | if (cnt >= 4) | |
1015 | continue; | |
1016 | /* for the ACs, display the stop count too */ | |
1017 | pos += scnprintf(buf + pos, bufsz - pos, | |
1018 | " stop-count: %d\n", | |
1019 | atomic_read(&priv->queue_stop_count[cnt])); | |
1020 | } | |
1021 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1022 | kfree(buf); | |
1023 | return ret; | |
1024 | } | |
1025 | ||
1026 | static ssize_t iwl_dbgfs_rx_queue_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; |
141b03e0 WYG |
1031 | struct iwl_rx_queue *rxq = &priv->rxq; |
1032 | char buf[256]; | |
1033 | int pos = 0; | |
1034 | const size_t bufsz = sizeof(buf); | |
1035 | ||
1036 | pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", | |
1037 | rxq->read); | |
1038 | pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", | |
1039 | rxq->write); | |
1040 | pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n", | |
1041 | rxq->free_count); | |
1042 | pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n", | |
1043 | le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF); | |
1044 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1045 | } | |
1046 | ||
e8fe59ae WYG |
1047 | static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf, |
1048 | int bufsz) | |
1049 | { | |
1050 | int p = 0; | |
1051 | ||
1052 | p += scnprintf(buf + p, bufsz - p, | |
1053 | "Statistics Flag(0x%X):\n", | |
1054 | le32_to_cpu(priv->statistics.flag)); | |
1055 | if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK) | |
1056 | p += scnprintf(buf + p, bufsz - p, | |
1057 | "\tStatistics have been cleared\n"); | |
1058 | p += scnprintf(buf + p, bufsz - p, | |
1059 | "\tOperational Frequency: %s\n", | |
1060 | (le32_to_cpu(priv->statistics.flag) & | |
1061 | UCODE_STATISTICS_FREQUENCY_MSK) | |
1062 | ? "2.4 GHz" : "5.2 GHz"); | |
1063 | p += scnprintf(buf + p, bufsz - p, | |
1064 | "\tTGj Narrow Band: %s\n", | |
1065 | (le32_to_cpu(priv->statistics.flag) & | |
1066 | UCODE_STATISTICS_NARROW_BAND_MSK) | |
1067 | ? "enabled" : "disabled"); | |
1068 | return p; | |
1069 | } | |
1070 | ||
e3ef2164 WYG |
1071 | static const char ucode_stats_header[] = |
1072 | "%-32s current acumulative delta max\n"; | |
1073 | static const char ucode_stats_short_format[] = | |
1074 | " %-30s %10u\n"; | |
1075 | static const char ucode_stats_format[] = | |
1076 | " %-30s %10u %10u %10u %10u\n"; | |
e8fe59ae WYG |
1077 | |
1078 | static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, | |
1079 | char __user *user_buf, | |
1080 | size_t count, loff_t *ppos) | |
1081 | { | |
28f63a4b | 1082 | struct iwl_priv *priv = file->private_data; |
e8fe59ae WYG |
1083 | int pos = 0; |
1084 | char *buf; | |
e3ef2164 WYG |
1085 | int bufsz = sizeof(struct statistics_rx_phy) * 40 + |
1086 | sizeof(struct statistics_rx_non_phy) * 40 + | |
1087 | sizeof(struct statistics_rx_ht_phy) * 40 + 400; | |
e8fe59ae | 1088 | ssize_t ret; |
e3ef2164 WYG |
1089 | struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm; |
1090 | struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck; | |
92a35bda | 1091 | struct statistics_rx_non_phy *general, *accum_general; |
e3ef2164 WYG |
1092 | struct statistics_rx_non_phy *delta_general, *max_general; |
1093 | struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; | |
e8fe59ae WYG |
1094 | |
1095 | if (!iwl_is_alive(priv)) | |
1096 | return -EAGAIN; | |
1097 | ||
e8fe59ae WYG |
1098 | buf = kzalloc(bufsz, GFP_KERNEL); |
1099 | if (!buf) { | |
1100 | IWL_ERR(priv, "Can not allocate Buffer\n"); | |
1101 | return -ENOMEM; | |
1102 | } | |
1103 | ||
1104 | /* the statistic information display here is based on | |
1105 | * the last statistics notification from uCode | |
1106 | * might not reflect the current uCode activity | |
1107 | */ | |
1108 | ofdm = &priv->statistics.rx.ofdm; | |
1109 | cck = &priv->statistics.rx.cck; | |
1110 | general = &priv->statistics.rx.general; | |
1111 | ht = &priv->statistics.rx.ofdm_ht; | |
92a35bda WYG |
1112 | accum_ofdm = &priv->accum_statistics.rx.ofdm; |
1113 | accum_cck = &priv->accum_statistics.rx.cck; | |
1114 | accum_general = &priv->accum_statistics.rx.general; | |
1115 | accum_ht = &priv->accum_statistics.rx.ofdm_ht; | |
e3ef2164 WYG |
1116 | delta_ofdm = &priv->delta_statistics.rx.ofdm; |
1117 | delta_cck = &priv->delta_statistics.rx.cck; | |
1118 | delta_general = &priv->delta_statistics.rx.general; | |
1119 | delta_ht = &priv->delta_statistics.rx.ofdm_ht; | |
1120 | max_ofdm = &priv->max_delta.rx.ofdm; | |
1121 | max_cck = &priv->max_delta.rx.cck; | |
1122 | max_general = &priv->max_delta.rx.general; | |
1123 | max_ht = &priv->max_delta.rx.ofdm_ht; | |
1124 | ||
e8fe59ae | 1125 | pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); |
e3ef2164 WYG |
1126 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, |
1127 | "Statistics_Rx - OFDM:"); | |
1128 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1129 | "ina_cnt:", le32_to_cpu(ofdm->ina_cnt), | |
1130 | accum_ofdm->ina_cnt, | |
1131 | delta_ofdm->ina_cnt, max_ofdm->ina_cnt); | |
1132 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1133 | "fina_cnt:", | |
1134 | le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt, | |
1135 | delta_ofdm->fina_cnt, max_ofdm->fina_cnt); | |
1136 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1137 | "plcp_err:", | |
1138 | le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err, | |
1139 | delta_ofdm->plcp_err, max_ofdm->plcp_err); | |
1140 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1141 | "crc32_err:", | |
1142 | le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err, | |
1143 | delta_ofdm->crc32_err, max_ofdm->crc32_err); | |
1144 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1145 | "overrun_err:", | |
92a35bda | 1146 | le32_to_cpu(ofdm->overrun_err), |
e3ef2164 WYG |
1147 | accum_ofdm->overrun_err, |
1148 | delta_ofdm->overrun_err, max_ofdm->overrun_err); | |
1149 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1150 | "early_overrun_err:", | |
92a35bda | 1151 | le32_to_cpu(ofdm->early_overrun_err), |
e3ef2164 WYG |
1152 | accum_ofdm->early_overrun_err, |
1153 | delta_ofdm->early_overrun_err, | |
1154 | max_ofdm->early_overrun_err); | |
1155 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1156 | "crc32_good:", | |
92a35bda | 1157 | le32_to_cpu(ofdm->crc32_good), |
e3ef2164 WYG |
1158 | accum_ofdm->crc32_good, |
1159 | delta_ofdm->crc32_good, max_ofdm->crc32_good); | |
1160 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1161 | "false_alarm_cnt:", | |
92a35bda | 1162 | le32_to_cpu(ofdm->false_alarm_cnt), |
e3ef2164 WYG |
1163 | accum_ofdm->false_alarm_cnt, |
1164 | delta_ofdm->false_alarm_cnt, | |
1165 | max_ofdm->false_alarm_cnt); | |
1166 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1167 | "fina_sync_err_cnt:", | |
92a35bda | 1168 | le32_to_cpu(ofdm->fina_sync_err_cnt), |
e3ef2164 WYG |
1169 | accum_ofdm->fina_sync_err_cnt, |
1170 | delta_ofdm->fina_sync_err_cnt, | |
1171 | max_ofdm->fina_sync_err_cnt); | |
1172 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1173 | "sfd_timeout:", | |
92a35bda | 1174 | le32_to_cpu(ofdm->sfd_timeout), |
e3ef2164 WYG |
1175 | accum_ofdm->sfd_timeout, |
1176 | delta_ofdm->sfd_timeout, | |
1177 | max_ofdm->sfd_timeout); | |
1178 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1179 | "fina_timeout:", | |
92a35bda | 1180 | le32_to_cpu(ofdm->fina_timeout), |
e3ef2164 WYG |
1181 | accum_ofdm->fina_timeout, |
1182 | delta_ofdm->fina_timeout, | |
1183 | max_ofdm->fina_timeout); | |
1184 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1185 | "unresponded_rts:", | |
92a35bda | 1186 | le32_to_cpu(ofdm->unresponded_rts), |
e3ef2164 WYG |
1187 | accum_ofdm->unresponded_rts, |
1188 | delta_ofdm->unresponded_rts, | |
1189 | max_ofdm->unresponded_rts); | |
1190 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1191 | "rxe_frame_lmt_ovrun:", | |
92a35bda | 1192 | le32_to_cpu(ofdm->rxe_frame_limit_overrun), |
e3ef2164 WYG |
1193 | accum_ofdm->rxe_frame_limit_overrun, |
1194 | delta_ofdm->rxe_frame_limit_overrun, | |
1195 | max_ofdm->rxe_frame_limit_overrun); | |
1196 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1197 | "sent_ack_cnt:", | |
92a35bda | 1198 | le32_to_cpu(ofdm->sent_ack_cnt), |
e3ef2164 WYG |
1199 | accum_ofdm->sent_ack_cnt, |
1200 | delta_ofdm->sent_ack_cnt, | |
1201 | max_ofdm->sent_ack_cnt); | |
1202 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1203 | "sent_cts_cnt:", | |
92a35bda | 1204 | le32_to_cpu(ofdm->sent_cts_cnt), |
e3ef2164 WYG |
1205 | accum_ofdm->sent_cts_cnt, |
1206 | delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt); | |
1207 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1208 | "sent_ba_rsp_cnt:", | |
92a35bda | 1209 | le32_to_cpu(ofdm->sent_ba_rsp_cnt), |
e3ef2164 WYG |
1210 | accum_ofdm->sent_ba_rsp_cnt, |
1211 | delta_ofdm->sent_ba_rsp_cnt, | |
1212 | max_ofdm->sent_ba_rsp_cnt); | |
1213 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1214 | "dsp_self_kill:", | |
92a35bda | 1215 | le32_to_cpu(ofdm->dsp_self_kill), |
e3ef2164 WYG |
1216 | accum_ofdm->dsp_self_kill, |
1217 | delta_ofdm->dsp_self_kill, | |
1218 | max_ofdm->dsp_self_kill); | |
1219 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1220 | "mh_format_err:", | |
92a35bda | 1221 | le32_to_cpu(ofdm->mh_format_err), |
e3ef2164 WYG |
1222 | accum_ofdm->mh_format_err, |
1223 | delta_ofdm->mh_format_err, | |
1224 | max_ofdm->mh_format_err); | |
1225 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1226 | "re_acq_main_rssi_sum:", | |
92a35bda | 1227 | le32_to_cpu(ofdm->re_acq_main_rssi_sum), |
e3ef2164 WYG |
1228 | accum_ofdm->re_acq_main_rssi_sum, |
1229 | delta_ofdm->re_acq_main_rssi_sum, | |
1230 | max_ofdm->re_acq_main_rssi_sum); | |
1231 | ||
1232 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, | |
1233 | "Statistics_Rx - CCK:"); | |
1234 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1235 | "ina_cnt:", | |
1236 | le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt, | |
1237 | delta_cck->ina_cnt, max_cck->ina_cnt); | |
1238 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1239 | "fina_cnt:", | |
1240 | le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt, | |
1241 | delta_cck->fina_cnt, max_cck->fina_cnt); | |
1242 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1243 | "plcp_err:", | |
1244 | le32_to_cpu(cck->plcp_err), accum_cck->plcp_err, | |
1245 | delta_cck->plcp_err, max_cck->plcp_err); | |
1246 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1247 | "crc32_err:", | |
1248 | le32_to_cpu(cck->crc32_err), accum_cck->crc32_err, | |
1249 | delta_cck->crc32_err, max_cck->crc32_err); | |
1250 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1251 | "overrun_err:", | |
92a35bda | 1252 | le32_to_cpu(cck->overrun_err), |
e3ef2164 WYG |
1253 | accum_cck->overrun_err, |
1254 | delta_cck->overrun_err, max_cck->overrun_err); | |
1255 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1256 | "early_overrun_err:", | |
92a35bda | 1257 | le32_to_cpu(cck->early_overrun_err), |
e3ef2164 WYG |
1258 | accum_cck->early_overrun_err, |
1259 | delta_cck->early_overrun_err, | |
1260 | max_cck->early_overrun_err); | |
1261 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1262 | "crc32_good:", | |
1263 | le32_to_cpu(cck->crc32_good), accum_cck->crc32_good, | |
1264 | delta_cck->crc32_good, | |
1265 | max_cck->crc32_good); | |
1266 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1267 | "false_alarm_cnt:", | |
92a35bda | 1268 | le32_to_cpu(cck->false_alarm_cnt), |
e3ef2164 WYG |
1269 | accum_cck->false_alarm_cnt, |
1270 | delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt); | |
1271 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1272 | "fina_sync_err_cnt:", | |
92a35bda | 1273 | le32_to_cpu(cck->fina_sync_err_cnt), |
e3ef2164 WYG |
1274 | accum_cck->fina_sync_err_cnt, |
1275 | delta_cck->fina_sync_err_cnt, | |
1276 | max_cck->fina_sync_err_cnt); | |
1277 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1278 | "sfd_timeout:", | |
92a35bda | 1279 | le32_to_cpu(cck->sfd_timeout), |
e3ef2164 WYG |
1280 | accum_cck->sfd_timeout, |
1281 | delta_cck->sfd_timeout, max_cck->sfd_timeout); | |
1282 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1283 | "fina_timeout:", | |
92a35bda | 1284 | le32_to_cpu(cck->fina_timeout), |
e3ef2164 WYG |
1285 | accum_cck->fina_timeout, |
1286 | delta_cck->fina_timeout, max_cck->fina_timeout); | |
1287 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1288 | "unresponded_rts:", | |
92a35bda | 1289 | le32_to_cpu(cck->unresponded_rts), |
e3ef2164 WYG |
1290 | accum_cck->unresponded_rts, |
1291 | delta_cck->unresponded_rts, | |
1292 | max_cck->unresponded_rts); | |
1293 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1294 | "rxe_frame_lmt_ovrun:", | |
92a35bda | 1295 | le32_to_cpu(cck->rxe_frame_limit_overrun), |
e3ef2164 WYG |
1296 | accum_cck->rxe_frame_limit_overrun, |
1297 | delta_cck->rxe_frame_limit_overrun, | |
1298 | max_cck->rxe_frame_limit_overrun); | |
1299 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1300 | "sent_ack_cnt:", | |
92a35bda | 1301 | le32_to_cpu(cck->sent_ack_cnt), |
e3ef2164 WYG |
1302 | accum_cck->sent_ack_cnt, |
1303 | delta_cck->sent_ack_cnt, | |
1304 | max_cck->sent_ack_cnt); | |
1305 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1306 | "sent_cts_cnt:", | |
92a35bda | 1307 | le32_to_cpu(cck->sent_cts_cnt), |
e3ef2164 WYG |
1308 | accum_cck->sent_cts_cnt, |
1309 | delta_cck->sent_cts_cnt, | |
1310 | max_cck->sent_cts_cnt); | |
1311 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1312 | "sent_ba_rsp_cnt:", | |
92a35bda | 1313 | le32_to_cpu(cck->sent_ba_rsp_cnt), |
e3ef2164 WYG |
1314 | accum_cck->sent_ba_rsp_cnt, |
1315 | delta_cck->sent_ba_rsp_cnt, | |
1316 | max_cck->sent_ba_rsp_cnt); | |
1317 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1318 | "dsp_self_kill:", | |
92a35bda | 1319 | le32_to_cpu(cck->dsp_self_kill), |
e3ef2164 WYG |
1320 | accum_cck->dsp_self_kill, |
1321 | delta_cck->dsp_self_kill, | |
1322 | max_cck->dsp_self_kill); | |
1323 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1324 | "mh_format_err:", | |
92a35bda | 1325 | le32_to_cpu(cck->mh_format_err), |
e3ef2164 WYG |
1326 | accum_cck->mh_format_err, |
1327 | delta_cck->mh_format_err, max_cck->mh_format_err); | |
1328 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1329 | "re_acq_main_rssi_sum:", | |
92a35bda | 1330 | le32_to_cpu(cck->re_acq_main_rssi_sum), |
e3ef2164 WYG |
1331 | accum_cck->re_acq_main_rssi_sum, |
1332 | delta_cck->re_acq_main_rssi_sum, | |
1333 | max_cck->re_acq_main_rssi_sum); | |
1334 | ||
1335 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, | |
1336 | "Statistics_Rx - GENERAL:"); | |
1337 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1338 | "bogus_cts:", | |
92a35bda | 1339 | le32_to_cpu(general->bogus_cts), |
e3ef2164 WYG |
1340 | accum_general->bogus_cts, |
1341 | delta_general->bogus_cts, max_general->bogus_cts); | |
1342 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1343 | "bogus_ack:", | |
92a35bda | 1344 | le32_to_cpu(general->bogus_ack), |
e3ef2164 WYG |
1345 | accum_general->bogus_ack, |
1346 | delta_general->bogus_ack, max_general->bogus_ack); | |
1347 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1348 | "non_bssid_frames:", | |
92a35bda | 1349 | le32_to_cpu(general->non_bssid_frames), |
e3ef2164 WYG |
1350 | accum_general->non_bssid_frames, |
1351 | delta_general->non_bssid_frames, | |
1352 | max_general->non_bssid_frames); | |
1353 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1354 | "filtered_frames:", | |
92a35bda | 1355 | le32_to_cpu(general->filtered_frames), |
e3ef2164 WYG |
1356 | accum_general->filtered_frames, |
1357 | delta_general->filtered_frames, | |
1358 | max_general->filtered_frames); | |
1359 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1360 | "non_channel_beacons:", | |
92a35bda | 1361 | le32_to_cpu(general->non_channel_beacons), |
e3ef2164 WYG |
1362 | accum_general->non_channel_beacons, |
1363 | delta_general->non_channel_beacons, | |
1364 | max_general->non_channel_beacons); | |
1365 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1366 | "channel_beacons:", | |
92a35bda | 1367 | le32_to_cpu(general->channel_beacons), |
e3ef2164 WYG |
1368 | accum_general->channel_beacons, |
1369 | delta_general->channel_beacons, | |
1370 | max_general->channel_beacons); | |
1371 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1372 | "num_missed_bcon:", | |
92a35bda | 1373 | le32_to_cpu(general->num_missed_bcon), |
e3ef2164 WYG |
1374 | accum_general->num_missed_bcon, |
1375 | delta_general->num_missed_bcon, | |
1376 | max_general->num_missed_bcon); | |
1377 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1378 | "adc_rx_saturation_time:", | |
92a35bda | 1379 | le32_to_cpu(general->adc_rx_saturation_time), |
e3ef2164 WYG |
1380 | accum_general->adc_rx_saturation_time, |
1381 | delta_general->adc_rx_saturation_time, | |
1382 | max_general->adc_rx_saturation_time); | |
1383 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1384 | "ina_detect_search_tm:", | |
92a35bda | 1385 | le32_to_cpu(general->ina_detection_search_time), |
e3ef2164 WYG |
1386 | accum_general->ina_detection_search_time, |
1387 | delta_general->ina_detection_search_time, | |
1388 | max_general->ina_detection_search_time); | |
1389 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1390 | "beacon_silence_rssi_a:", | |
92a35bda | 1391 | le32_to_cpu(general->beacon_silence_rssi_a), |
e3ef2164 WYG |
1392 | accum_general->beacon_silence_rssi_a, |
1393 | delta_general->beacon_silence_rssi_a, | |
1394 | max_general->beacon_silence_rssi_a); | |
1395 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1396 | "beacon_silence_rssi_b:", | |
92a35bda | 1397 | le32_to_cpu(general->beacon_silence_rssi_b), |
e3ef2164 WYG |
1398 | accum_general->beacon_silence_rssi_b, |
1399 | delta_general->beacon_silence_rssi_b, | |
1400 | max_general->beacon_silence_rssi_b); | |
1401 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1402 | "beacon_silence_rssi_c:", | |
92a35bda | 1403 | le32_to_cpu(general->beacon_silence_rssi_c), |
e3ef2164 WYG |
1404 | accum_general->beacon_silence_rssi_c, |
1405 | delta_general->beacon_silence_rssi_c, | |
1406 | max_general->beacon_silence_rssi_c); | |
1407 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1408 | "interference_data_flag:", | |
92a35bda | 1409 | le32_to_cpu(general->interference_data_flag), |
e3ef2164 WYG |
1410 | accum_general->interference_data_flag, |
1411 | delta_general->interference_data_flag, | |
1412 | max_general->interference_data_flag); | |
1413 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1414 | "channel_load:", | |
92a35bda | 1415 | le32_to_cpu(general->channel_load), |
e3ef2164 WYG |
1416 | accum_general->channel_load, |
1417 | delta_general->channel_load, | |
1418 | max_general->channel_load); | |
1419 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1420 | "dsp_false_alarms:", | |
92a35bda | 1421 | le32_to_cpu(general->dsp_false_alarms), |
e3ef2164 WYG |
1422 | accum_general->dsp_false_alarms, |
1423 | delta_general->dsp_false_alarms, | |
1424 | max_general->dsp_false_alarms); | |
1425 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1426 | "beacon_rssi_a:", | |
92a35bda | 1427 | le32_to_cpu(general->beacon_rssi_a), |
e3ef2164 WYG |
1428 | accum_general->beacon_rssi_a, |
1429 | delta_general->beacon_rssi_a, | |
1430 | max_general->beacon_rssi_a); | |
1431 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1432 | "beacon_rssi_b:", | |
92a35bda | 1433 | le32_to_cpu(general->beacon_rssi_b), |
e3ef2164 WYG |
1434 | accum_general->beacon_rssi_b, |
1435 | delta_general->beacon_rssi_b, | |
1436 | max_general->beacon_rssi_b); | |
1437 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1438 | "beacon_rssi_c:", | |
92a35bda | 1439 | le32_to_cpu(general->beacon_rssi_c), |
e3ef2164 WYG |
1440 | accum_general->beacon_rssi_c, |
1441 | delta_general->beacon_rssi_c, | |
1442 | max_general->beacon_rssi_c); | |
1443 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1444 | "beacon_energy_a:", | |
92a35bda | 1445 | le32_to_cpu(general->beacon_energy_a), |
e3ef2164 WYG |
1446 | accum_general->beacon_energy_a, |
1447 | delta_general->beacon_energy_a, | |
1448 | max_general->beacon_energy_a); | |
1449 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1450 | "beacon_energy_b:", | |
92a35bda | 1451 | le32_to_cpu(general->beacon_energy_b), |
e3ef2164 WYG |
1452 | accum_general->beacon_energy_b, |
1453 | delta_general->beacon_energy_b, | |
1454 | max_general->beacon_energy_b); | |
1455 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1456 | "beacon_energy_c:", | |
92a35bda | 1457 | le32_to_cpu(general->beacon_energy_c), |
e3ef2164 WYG |
1458 | accum_general->beacon_energy_c, |
1459 | delta_general->beacon_energy_c, | |
1460 | max_general->beacon_energy_c); | |
e8fe59ae WYG |
1461 | |
1462 | pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n"); | |
e3ef2164 WYG |
1463 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, |
1464 | "Statistics_Rx - OFDM_HT:"); | |
1465 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1466 | "plcp_err:", | |
1467 | le32_to_cpu(ht->plcp_err), accum_ht->plcp_err, | |
1468 | delta_ht->plcp_err, max_ht->plcp_err); | |
1469 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1470 | "overrun_err:", | |
1471 | le32_to_cpu(ht->overrun_err), accum_ht->overrun_err, | |
1472 | delta_ht->overrun_err, max_ht->overrun_err); | |
1473 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1474 | "early_overrun_err:", | |
92a35bda | 1475 | le32_to_cpu(ht->early_overrun_err), |
e3ef2164 WYG |
1476 | accum_ht->early_overrun_err, |
1477 | delta_ht->early_overrun_err, | |
1478 | max_ht->early_overrun_err); | |
1479 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1480 | "crc32_good:", | |
1481 | le32_to_cpu(ht->crc32_good), accum_ht->crc32_good, | |
1482 | delta_ht->crc32_good, max_ht->crc32_good); | |
1483 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1484 | "crc32_err:", | |
1485 | le32_to_cpu(ht->crc32_err), accum_ht->crc32_err, | |
1486 | delta_ht->crc32_err, max_ht->crc32_err); | |
1487 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1488 | "mh_format_err:", | |
92a35bda | 1489 | le32_to_cpu(ht->mh_format_err), |
e3ef2164 WYG |
1490 | accum_ht->mh_format_err, |
1491 | delta_ht->mh_format_err, max_ht->mh_format_err); | |
1492 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1493 | "agg_crc32_good:", | |
92a35bda | 1494 | le32_to_cpu(ht->agg_crc32_good), |
e3ef2164 WYG |
1495 | accum_ht->agg_crc32_good, |
1496 | delta_ht->agg_crc32_good, max_ht->agg_crc32_good); | |
1497 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1498 | "agg_mpdu_cnt:", | |
92a35bda | 1499 | le32_to_cpu(ht->agg_mpdu_cnt), |
e3ef2164 WYG |
1500 | accum_ht->agg_mpdu_cnt, |
1501 | delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt); | |
1502 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1503 | "agg_cnt:", | |
1504 | le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt, | |
1505 | delta_ht->agg_cnt, max_ht->agg_cnt); | |
1506 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1507 | "unsupport_mcs:", | |
f0118a45 | 1508 | le32_to_cpu(ht->unsupport_mcs), |
e3ef2164 WYG |
1509 | accum_ht->unsupport_mcs, |
1510 | delta_ht->unsupport_mcs, max_ht->unsupport_mcs); | |
e8fe59ae WYG |
1511 | |
1512 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1513 | kfree(buf); | |
1514 | return ret; | |
1515 | } | |
1516 | ||
1517 | static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, | |
1518 | char __user *user_buf, | |
1519 | size_t count, loff_t *ppos) | |
1520 | { | |
28f63a4b | 1521 | struct iwl_priv *priv = file->private_data; |
e8fe59ae WYG |
1522 | int pos = 0; |
1523 | char *buf; | |
e3ef2164 | 1524 | int bufsz = (sizeof(struct statistics_tx) * 48) + 250; |
e8fe59ae | 1525 | ssize_t ret; |
e3ef2164 | 1526 | struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; |
e8fe59ae WYG |
1527 | |
1528 | if (!iwl_is_alive(priv)) | |
1529 | return -EAGAIN; | |
1530 | ||
e8fe59ae WYG |
1531 | buf = kzalloc(bufsz, GFP_KERNEL); |
1532 | if (!buf) { | |
1533 | IWL_ERR(priv, "Can not allocate Buffer\n"); | |
1534 | return -ENOMEM; | |
1535 | } | |
1536 | ||
1537 | /* the statistic information display here is based on | |
1538 | * the last statistics notification from uCode | |
1539 | * might not reflect the current uCode activity | |
1540 | */ | |
1541 | tx = &priv->statistics.tx; | |
92a35bda | 1542 | accum_tx = &priv->accum_statistics.tx; |
e3ef2164 WYG |
1543 | delta_tx = &priv->delta_statistics.tx; |
1544 | max_tx = &priv->max_delta.tx; | |
e8fe59ae | 1545 | pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); |
e3ef2164 WYG |
1546 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, |
1547 | "Statistics_Tx:"); | |
1548 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1549 | "preamble:", | |
92a35bda | 1550 | le32_to_cpu(tx->preamble_cnt), |
e3ef2164 WYG |
1551 | accum_tx->preamble_cnt, |
1552 | delta_tx->preamble_cnt, max_tx->preamble_cnt); | |
1553 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1554 | "rx_detected_cnt:", | |
92a35bda | 1555 | le32_to_cpu(tx->rx_detected_cnt), |
e3ef2164 WYG |
1556 | accum_tx->rx_detected_cnt, |
1557 | delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt); | |
1558 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1559 | "bt_prio_defer_cnt:", | |
92a35bda | 1560 | le32_to_cpu(tx->bt_prio_defer_cnt), |
e3ef2164 WYG |
1561 | accum_tx->bt_prio_defer_cnt, |
1562 | delta_tx->bt_prio_defer_cnt, | |
1563 | max_tx->bt_prio_defer_cnt); | |
1564 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1565 | "bt_prio_kill_cnt:", | |
92a35bda | 1566 | le32_to_cpu(tx->bt_prio_kill_cnt), |
e3ef2164 WYG |
1567 | accum_tx->bt_prio_kill_cnt, |
1568 | delta_tx->bt_prio_kill_cnt, | |
1569 | max_tx->bt_prio_kill_cnt); | |
1570 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1571 | "few_bytes_cnt:", | |
92a35bda | 1572 | le32_to_cpu(tx->few_bytes_cnt), |
e3ef2164 WYG |
1573 | accum_tx->few_bytes_cnt, |
1574 | delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt); | |
1575 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1576 | "cts_timeout:", | |
1577 | le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout, | |
1578 | delta_tx->cts_timeout, max_tx->cts_timeout); | |
1579 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1580 | "ack_timeout:", | |
92a35bda | 1581 | le32_to_cpu(tx->ack_timeout), |
e3ef2164 WYG |
1582 | accum_tx->ack_timeout, |
1583 | delta_tx->ack_timeout, max_tx->ack_timeout); | |
1584 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1585 | "expected_ack_cnt:", | |
92a35bda | 1586 | le32_to_cpu(tx->expected_ack_cnt), |
e3ef2164 WYG |
1587 | accum_tx->expected_ack_cnt, |
1588 | delta_tx->expected_ack_cnt, | |
1589 | max_tx->expected_ack_cnt); | |
1590 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1591 | "actual_ack_cnt:", | |
92a35bda | 1592 | le32_to_cpu(tx->actual_ack_cnt), |
e3ef2164 WYG |
1593 | accum_tx->actual_ack_cnt, |
1594 | delta_tx->actual_ack_cnt, | |
1595 | max_tx->actual_ack_cnt); | |
1596 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1597 | "dump_msdu_cnt:", | |
92a35bda | 1598 | le32_to_cpu(tx->dump_msdu_cnt), |
e3ef2164 WYG |
1599 | accum_tx->dump_msdu_cnt, |
1600 | delta_tx->dump_msdu_cnt, | |
1601 | max_tx->dump_msdu_cnt); | |
1602 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1603 | "abort_nxt_frame_mismatch:", | |
92a35bda | 1604 | le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt), |
e3ef2164 WYG |
1605 | accum_tx->burst_abort_next_frame_mismatch_cnt, |
1606 | delta_tx->burst_abort_next_frame_mismatch_cnt, | |
1607 | max_tx->burst_abort_next_frame_mismatch_cnt); | |
1608 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1609 | "abort_missing_nxt_frame:", | |
92a35bda | 1610 | le32_to_cpu(tx->burst_abort_missing_next_frame_cnt), |
e3ef2164 WYG |
1611 | accum_tx->burst_abort_missing_next_frame_cnt, |
1612 | delta_tx->burst_abort_missing_next_frame_cnt, | |
1613 | max_tx->burst_abort_missing_next_frame_cnt); | |
1614 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1615 | "cts_timeout_collision:", | |
92a35bda | 1616 | le32_to_cpu(tx->cts_timeout_collision), |
e3ef2164 WYG |
1617 | accum_tx->cts_timeout_collision, |
1618 | delta_tx->cts_timeout_collision, | |
1619 | max_tx->cts_timeout_collision); | |
1620 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1621 | "ack_ba_timeout_collision:", | |
92a35bda | 1622 | le32_to_cpu(tx->ack_or_ba_timeout_collision), |
e3ef2164 WYG |
1623 | accum_tx->ack_or_ba_timeout_collision, |
1624 | delta_tx->ack_or_ba_timeout_collision, | |
1625 | max_tx->ack_or_ba_timeout_collision); | |
1626 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1627 | "agg ba_timeout:", | |
92a35bda | 1628 | le32_to_cpu(tx->agg.ba_timeout), |
e3ef2164 WYG |
1629 | accum_tx->agg.ba_timeout, |
1630 | delta_tx->agg.ba_timeout, | |
1631 | max_tx->agg.ba_timeout); | |
1632 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1633 | "agg ba_resched_frames:", | |
92a35bda | 1634 | le32_to_cpu(tx->agg.ba_reschedule_frames), |
e3ef2164 WYG |
1635 | accum_tx->agg.ba_reschedule_frames, |
1636 | delta_tx->agg.ba_reschedule_frames, | |
1637 | max_tx->agg.ba_reschedule_frames); | |
1638 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1639 | "agg scd_query_agg_frame:", | |
92a35bda | 1640 | le32_to_cpu(tx->agg.scd_query_agg_frame_cnt), |
e3ef2164 WYG |
1641 | accum_tx->agg.scd_query_agg_frame_cnt, |
1642 | delta_tx->agg.scd_query_agg_frame_cnt, | |
1643 | max_tx->agg.scd_query_agg_frame_cnt); | |
1644 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1645 | "agg scd_query_no_agg:", | |
92a35bda | 1646 | le32_to_cpu(tx->agg.scd_query_no_agg), |
e3ef2164 WYG |
1647 | accum_tx->agg.scd_query_no_agg, |
1648 | delta_tx->agg.scd_query_no_agg, | |
1649 | max_tx->agg.scd_query_no_agg); | |
1650 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1651 | "agg scd_query_agg:", | |
92a35bda | 1652 | le32_to_cpu(tx->agg.scd_query_agg), |
e3ef2164 WYG |
1653 | accum_tx->agg.scd_query_agg, |
1654 | delta_tx->agg.scd_query_agg, | |
1655 | max_tx->agg.scd_query_agg); | |
1656 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1657 | "agg scd_query_mismatch:", | |
92a35bda | 1658 | le32_to_cpu(tx->agg.scd_query_mismatch), |
e3ef2164 WYG |
1659 | accum_tx->agg.scd_query_mismatch, |
1660 | delta_tx->agg.scd_query_mismatch, | |
1661 | max_tx->agg.scd_query_mismatch); | |
1662 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1663 | "agg frame_not_ready:", | |
92a35bda | 1664 | le32_to_cpu(tx->agg.frame_not_ready), |
e3ef2164 WYG |
1665 | accum_tx->agg.frame_not_ready, |
1666 | delta_tx->agg.frame_not_ready, | |
1667 | max_tx->agg.frame_not_ready); | |
1668 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1669 | "agg underrun:", | |
92a35bda | 1670 | le32_to_cpu(tx->agg.underrun), |
e3ef2164 WYG |
1671 | accum_tx->agg.underrun, |
1672 | delta_tx->agg.underrun, max_tx->agg.underrun); | |
1673 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1674 | "agg bt_prio_kill:", | |
92a35bda | 1675 | le32_to_cpu(tx->agg.bt_prio_kill), |
e3ef2164 WYG |
1676 | accum_tx->agg.bt_prio_kill, |
1677 | delta_tx->agg.bt_prio_kill, | |
1678 | max_tx->agg.bt_prio_kill); | |
1679 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1680 | "agg rx_ba_rsp_cnt:", | |
92a35bda | 1681 | le32_to_cpu(tx->agg.rx_ba_rsp_cnt), |
e3ef2164 WYG |
1682 | accum_tx->agg.rx_ba_rsp_cnt, |
1683 | delta_tx->agg.rx_ba_rsp_cnt, | |
1684 | max_tx->agg.rx_ba_rsp_cnt); | |
e8fe59ae WYG |
1685 | |
1686 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1687 | kfree(buf); | |
1688 | return ret; | |
1689 | } | |
1690 | ||
1691 | static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, | |
1692 | char __user *user_buf, | |
1693 | size_t count, loff_t *ppos) | |
1694 | { | |
28f63a4b | 1695 | struct iwl_priv *priv = file->private_data; |
e8fe59ae WYG |
1696 | int pos = 0; |
1697 | char *buf; | |
11fc5249 | 1698 | int bufsz = sizeof(struct statistics_general) * 10 + 300; |
e8fe59ae | 1699 | ssize_t ret; |
92a35bda | 1700 | struct statistics_general *general, *accum_general; |
e3ef2164 WYG |
1701 | struct statistics_general *delta_general, *max_general; |
1702 | struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; | |
1703 | struct statistics_div *div, *accum_div, *delta_div, *max_div; | |
e8fe59ae WYG |
1704 | |
1705 | if (!iwl_is_alive(priv)) | |
1706 | return -EAGAIN; | |
1707 | ||
e8fe59ae WYG |
1708 | buf = kzalloc(bufsz, GFP_KERNEL); |
1709 | if (!buf) { | |
1710 | IWL_ERR(priv, "Can not allocate Buffer\n"); | |
1711 | return -ENOMEM; | |
1712 | } | |
1713 | ||
1714 | /* the statistic information display here is based on | |
1715 | * the last statistics notification from uCode | |
1716 | * might not reflect the current uCode activity | |
1717 | */ | |
1718 | general = &priv->statistics.general; | |
1719 | dbg = &priv->statistics.general.dbg; | |
1720 | div = &priv->statistics.general.div; | |
92a35bda | 1721 | accum_general = &priv->accum_statistics.general; |
e3ef2164 WYG |
1722 | delta_general = &priv->delta_statistics.general; |
1723 | max_general = &priv->max_delta.general; | |
92a35bda | 1724 | accum_dbg = &priv->accum_statistics.general.dbg; |
e3ef2164 WYG |
1725 | delta_dbg = &priv->delta_statistics.general.dbg; |
1726 | max_dbg = &priv->max_delta.general.dbg; | |
92a35bda | 1727 | accum_div = &priv->accum_statistics.general.div; |
e3ef2164 WYG |
1728 | delta_div = &priv->delta_statistics.general.div; |
1729 | max_div = &priv->max_delta.general.div; | |
e8fe59ae | 1730 | pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz); |
e3ef2164 WYG |
1731 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header, |
1732 | "Statistics_General:"); | |
1733 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format, | |
1734 | "temperature:", | |
e8fe59ae | 1735 | le32_to_cpu(general->temperature)); |
e3ef2164 WYG |
1736 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format, |
1737 | "temperature_m:", | |
e8fe59ae | 1738 | le32_to_cpu(general->temperature_m)); |
e3ef2164 WYG |
1739 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, |
1740 | "burst_check:", | |
92a35bda | 1741 | le32_to_cpu(dbg->burst_check), |
e3ef2164 WYG |
1742 | accum_dbg->burst_check, |
1743 | delta_dbg->burst_check, max_dbg->burst_check); | |
1744 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1745 | "burst_count:", | |
92a35bda | 1746 | le32_to_cpu(dbg->burst_count), |
e3ef2164 WYG |
1747 | accum_dbg->burst_count, |
1748 | delta_dbg->burst_count, max_dbg->burst_count); | |
1749 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1750 | "sleep_time:", | |
92a35bda | 1751 | le32_to_cpu(general->sleep_time), |
e3ef2164 WYG |
1752 | accum_general->sleep_time, |
1753 | delta_general->sleep_time, max_general->sleep_time); | |
1754 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1755 | "slots_out:", | |
92a35bda | 1756 | le32_to_cpu(general->slots_out), |
e3ef2164 WYG |
1757 | accum_general->slots_out, |
1758 | delta_general->slots_out, max_general->slots_out); | |
1759 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1760 | "slots_idle:", | |
92a35bda | 1761 | le32_to_cpu(general->slots_idle), |
e3ef2164 WYG |
1762 | accum_general->slots_idle, |
1763 | delta_general->slots_idle, max_general->slots_idle); | |
92a35bda | 1764 | pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n", |
e8fe59ae | 1765 | le32_to_cpu(general->ttl_timestamp)); |
e3ef2164 WYG |
1766 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, |
1767 | "tx_on_a:", | |
1768 | le32_to_cpu(div->tx_on_a), accum_div->tx_on_a, | |
1769 | delta_div->tx_on_a, max_div->tx_on_a); | |
1770 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1771 | "tx_on_b:", | |
1772 | le32_to_cpu(div->tx_on_b), accum_div->tx_on_b, | |
1773 | delta_div->tx_on_b, max_div->tx_on_b); | |
1774 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1775 | "exec_time:", | |
1776 | le32_to_cpu(div->exec_time), accum_div->exec_time, | |
1777 | delta_div->exec_time, max_div->exec_time); | |
1778 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1779 | "probe_time:", | |
1780 | le32_to_cpu(div->probe_time), accum_div->probe_time, | |
1781 | delta_div->probe_time, max_div->probe_time); | |
1782 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, | |
1783 | "rx_enable_counter:", | |
92a35bda | 1784 | le32_to_cpu(general->rx_enable_counter), |
e3ef2164 WYG |
1785 | accum_general->rx_enable_counter, |
1786 | delta_general->rx_enable_counter, | |
1787 | max_general->rx_enable_counter); | |
11fc5249 WYG |
1788 | pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format, |
1789 | "num_of_sos_states:", | |
1790 | le32_to_cpu(general->num_of_sos_states), | |
1791 | accum_general->num_of_sos_states, | |
1792 | delta_general->num_of_sos_states, | |
1793 | max_general->num_of_sos_states); | |
e8fe59ae WYG |
1794 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
1795 | kfree(buf); | |
1796 | return ret; | |
1797 | } | |
1798 | ||
5225935b WYG |
1799 | static ssize_t iwl_dbgfs_sensitivity_read(struct file *file, |
1800 | char __user *user_buf, | |
1801 | size_t count, loff_t *ppos) { | |
1802 | ||
28f63a4b | 1803 | struct iwl_priv *priv = file->private_data; |
5225935b WYG |
1804 | int pos = 0; |
1805 | int cnt = 0; | |
1806 | char *buf; | |
1807 | int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100; | |
1808 | ssize_t ret; | |
1809 | struct iwl_sensitivity_data *data; | |
1810 | ||
1811 | data = &priv->sensitivity_data; | |
1812 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1813 | if (!buf) { | |
1814 | IWL_ERR(priv, "Can not allocate Buffer\n"); | |
1815 | return -ENOMEM; | |
1816 | } | |
1817 | ||
1818 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n", | |
1819 | data->auto_corr_ofdm); | |
1820 | pos += scnprintf(buf + pos, bufsz - pos, | |
1821 | "auto_corr_ofdm_mrc:\t\t %u\n", | |
1822 | data->auto_corr_ofdm_mrc); | |
1823 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n", | |
1824 | data->auto_corr_ofdm_x1); | |
1825 | pos += scnprintf(buf + pos, bufsz - pos, | |
1826 | "auto_corr_ofdm_mrc_x1:\t\t %u\n", | |
1827 | data->auto_corr_ofdm_mrc_x1); | |
1828 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n", | |
1829 | data->auto_corr_cck); | |
1830 | pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n", | |
1831 | data->auto_corr_cck_mrc); | |
1832 | pos += scnprintf(buf + pos, bufsz - pos, | |
1833 | "last_bad_plcp_cnt_ofdm:\t\t %u\n", | |
1834 | data->last_bad_plcp_cnt_ofdm); | |
1835 | pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n", | |
1836 | data->last_fa_cnt_ofdm); | |
1837 | pos += scnprintf(buf + pos, bufsz - pos, | |
1838 | "last_bad_plcp_cnt_cck:\t\t %u\n", | |
1839 | data->last_bad_plcp_cnt_cck); | |
1840 | pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n", | |
1841 | data->last_fa_cnt_cck); | |
1842 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n", | |
1843 | data->nrg_curr_state); | |
1844 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n", | |
1845 | data->nrg_prev_state); | |
1846 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t"); | |
1847 | for (cnt = 0; cnt < 10; cnt++) { | |
1848 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1849 | data->nrg_value[cnt]); | |
1850 | } | |
1851 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1852 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t"); | |
1853 | for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) { | |
1854 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1855 | data->nrg_silence_rssi[cnt]); | |
1856 | } | |
1857 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1858 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n", | |
1859 | data->nrg_silence_ref); | |
1860 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n", | |
1861 | data->nrg_energy_idx); | |
1862 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n", | |
1863 | data->nrg_silence_idx); | |
1864 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n", | |
1865 | data->nrg_th_cck); | |
1866 | pos += scnprintf(buf + pos, bufsz - pos, | |
1867 | "nrg_auto_corr_silence_diff:\t %u\n", | |
1868 | data->nrg_auto_corr_silence_diff); | |
1869 | pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n", | |
1870 | data->num_in_cck_no_fa); | |
1871 | pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n", | |
1872 | data->nrg_th_ofdm); | |
1873 | ||
1874 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1875 | kfree(buf); | |
1876 | return ret; | |
1877 | } | |
1878 | ||
1879 | ||
1880 | static ssize_t iwl_dbgfs_chain_noise_read(struct file *file, | |
1881 | char __user *user_buf, | |
1882 | size_t count, loff_t *ppos) { | |
1883 | ||
28f63a4b | 1884 | struct iwl_priv *priv = file->private_data; |
5225935b WYG |
1885 | int pos = 0; |
1886 | int cnt = 0; | |
1887 | char *buf; | |
1888 | int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100; | |
1889 | ssize_t ret; | |
1890 | struct iwl_chain_noise_data *data; | |
1891 | ||
1892 | data = &priv->chain_noise_data; | |
1893 | buf = kzalloc(bufsz, GFP_KERNEL); | |
1894 | if (!buf) { | |
1895 | IWL_ERR(priv, "Can not allocate Buffer\n"); | |
1896 | return -ENOMEM; | |
1897 | } | |
1898 | ||
1899 | pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n", | |
1900 | data->active_chains); | |
1901 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n", | |
1902 | data->chain_noise_a); | |
1903 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n", | |
1904 | data->chain_noise_b); | |
1905 | pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n", | |
1906 | data->chain_noise_c); | |
1907 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n", | |
1908 | data->chain_signal_a); | |
1909 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n", | |
1910 | data->chain_signal_b); | |
1911 | pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n", | |
1912 | data->chain_signal_c); | |
1913 | pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n", | |
1914 | data->beacon_count); | |
1915 | ||
1916 | pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t"); | |
1917 | for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { | |
1918 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1919 | data->disconn_array[cnt]); | |
1920 | } | |
1921 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1922 | pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t"); | |
1923 | for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) { | |
1924 | pos += scnprintf(buf + pos, bufsz - pos, " %u", | |
1925 | data->delta_gain_code[cnt]); | |
1926 | } | |
1927 | pos += scnprintf(buf + pos, bufsz - pos, "\n"); | |
1928 | pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n", | |
1929 | data->radio_write); | |
1930 | pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n", | |
1931 | data->state); | |
1932 | ||
1933 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1934 | kfree(buf); | |
1935 | return ret; | |
1936 | } | |
1937 | ||
f204b248 WYG |
1938 | static ssize_t iwl_dbgfs_tx_power_read(struct file *file, |
1939 | char __user *user_buf, | |
1940 | size_t count, loff_t *ppos) { | |
1941 | ||
28f63a4b | 1942 | struct iwl_priv *priv = file->private_data; |
f204b248 WYG |
1943 | char buf[128]; |
1944 | int pos = 0; | |
f204b248 WYG |
1945 | const size_t bufsz = sizeof(buf); |
1946 | struct statistics_tx *tx; | |
1947 | ||
1948 | if (!iwl_is_alive(priv)) | |
1949 | pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); | |
1950 | else { | |
f204b248 WYG |
1951 | tx = &priv->statistics.tx; |
1952 | if (tx->tx_power.ant_a || | |
1953 | tx->tx_power.ant_b || | |
1954 | tx->tx_power.ant_c) { | |
1955 | pos += scnprintf(buf + pos, bufsz - pos, | |
1956 | "tx power: (1/2 dB step)\n"); | |
1957 | if ((priv->cfg->valid_tx_ant & ANT_A) && | |
1958 | tx->tx_power.ant_a) | |
1959 | pos += scnprintf(buf + pos, bufsz - pos, | |
1960 | "\tantenna A: 0x%X\n", | |
1961 | tx->tx_power.ant_a); | |
1962 | if ((priv->cfg->valid_tx_ant & ANT_B) && | |
1963 | tx->tx_power.ant_b) | |
1964 | pos += scnprintf(buf + pos, bufsz - pos, | |
1965 | "\tantenna B: 0x%X\n", | |
1966 | tx->tx_power.ant_b); | |
1967 | if ((priv->cfg->valid_tx_ant & ANT_C) && | |
1968 | tx->tx_power.ant_c) | |
1969 | pos += scnprintf(buf + pos, bufsz - pos, | |
1970 | "\tantenna C: 0x%X\n", | |
1971 | tx->tx_power.ant_c); | |
1972 | } else | |
1973 | pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); | |
1974 | } | |
1975 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1976 | } | |
1977 | ||
c09430ab WYG |
1978 | static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, |
1979 | char __user *user_buf, | |
1980 | size_t count, loff_t *ppos) | |
1981 | { | |
28f63a4b | 1982 | struct iwl_priv *priv = file->private_data; |
c09430ab WYG |
1983 | char buf[60]; |
1984 | int pos = 0; | |
1985 | const size_t bufsz = sizeof(buf); | |
1986 | u32 pwrsave_status; | |
1987 | ||
1988 | pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) & | |
1989 | CSR_GP_REG_POWER_SAVE_STATUS_MSK; | |
1990 | ||
1991 | pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); | |
1992 | pos += scnprintf(buf + pos, bufsz - pos, "%s\n", | |
1993 | (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" : | |
1994 | (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" : | |
1995 | (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" : | |
1996 | "error"); | |
1997 | ||
1998 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
1999 | } | |
2000 | ||
7163b8a4 | 2001 | static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, |
ef8d5529 WYG |
2002 | const char __user *user_buf, |
2003 | size_t count, loff_t *ppos) | |
2004 | { | |
2005 | struct iwl_priv *priv = file->private_data; | |
2006 | char buf[8]; | |
2007 | int buf_size; | |
2008 | int clear; | |
2009 | ||
2010 | memset(buf, 0, sizeof(buf)); | |
2011 | buf_size = min(count, sizeof(buf) - 1); | |
2012 | if (copy_from_user(buf, user_buf, buf_size)) | |
2013 | return -EFAULT; | |
2014 | if (sscanf(buf, "%d", &clear) != 1) | |
2015 | return -EFAULT; | |
2016 | ||
2017 | /* make request to uCode to retrieve statistics information */ | |
2018 | mutex_lock(&priv->mutex); | |
2019 | iwl_send_statistics_request(priv, CMD_SYNC, true); | |
2020 | mutex_unlock(&priv->mutex); | |
2021 | ||
2022 | return count; | |
2023 | } | |
2024 | ||
696bdee3 WYG |
2025 | static ssize_t iwl_dbgfs_csr_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 csr; | |
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", &csr) != 1) | |
2039 | return -EFAULT; | |
2040 | ||
2041 | if (priv->cfg->ops->lib->dump_csr) | |
2042 | priv->cfg->ops->lib->dump_csr(priv); | |
2043 | ||
2044 | return count; | |
2045 | } | |
2046 | ||
a9e1cb6a WYG |
2047 | static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, |
2048 | char __user *user_buf, | |
2049 | size_t count, loff_t *ppos) { | |
2050 | ||
2051 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
2052 | int pos = 0; | |
2053 | char buf[128]; | |
2054 | const size_t bufsz = sizeof(buf); | |
2055 | ssize_t ret; | |
2056 | ||
2057 | pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", | |
2058 | priv->event_log.ucode_trace ? "On" : "Off"); | |
2059 | pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", | |
2060 | priv->event_log.non_wraps_count); | |
2061 | pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", | |
2062 | priv->event_log.wraps_once_count); | |
2063 | pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", | |
2064 | priv->event_log.wraps_more_count); | |
2065 | ||
2066 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2067 | return ret; | |
2068 | } | |
2069 | ||
2070 | static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, | |
2071 | const char __user *user_buf, | |
2072 | size_t count, loff_t *ppos) | |
2073 | { | |
2074 | struct iwl_priv *priv = file->private_data; | |
2075 | char buf[8]; | |
2076 | int buf_size; | |
2077 | int trace; | |
2078 | ||
2079 | memset(buf, 0, sizeof(buf)); | |
2080 | buf_size = min(count, sizeof(buf) - 1); | |
2081 | if (copy_from_user(buf, user_buf, buf_size)) | |
2082 | return -EFAULT; | |
2083 | if (sscanf(buf, "%d", &trace) != 1) | |
2084 | return -EFAULT; | |
2085 | ||
2086 | if (trace) { | |
2087 | priv->event_log.ucode_trace = true; | |
2088 | /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ | |
2089 | mod_timer(&priv->ucode_trace, | |
2090 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); | |
2091 | } else { | |
2092 | priv->event_log.ucode_trace = false; | |
2093 | del_timer_sync(&priv->ucode_trace); | |
2094 | } | |
2095 | ||
2096 | return count; | |
2097 | } | |
2098 | ||
1b3eb823 WYG |
2099 | static ssize_t iwl_dbgfs_fh_reg_read(struct file *file, |
2100 | char __user *user_buf, | |
2101 | size_t count, loff_t *ppos) | |
2102 | { | |
2103 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
2104 | char *buf; | |
2105 | int pos = 0; | |
2106 | ssize_t ret = -EFAULT; | |
2107 | ||
2108 | if (priv->cfg->ops->lib->dump_fh) { | |
2109 | ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true); | |
2110 | if (buf) { | |
2111 | ret = simple_read_from_buffer(user_buf, | |
2112 | count, ppos, buf, pos); | |
2113 | kfree(buf); | |
2114 | } | |
2115 | } | |
2116 | ||
2117 | return ret; | |
2118 | } | |
2119 | ||
a13d276f WYG |
2120 | static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file, |
2121 | char __user *user_buf, | |
2122 | size_t count, loff_t *ppos) { | |
2123 | ||
2124 | struct iwl_priv *priv = file->private_data; | |
2125 | int pos = 0; | |
2126 | char buf[12]; | |
2127 | const size_t bufsz = sizeof(buf); | |
2128 | ssize_t ret; | |
2129 | ||
2130 | pos += scnprintf(buf + pos, bufsz - pos, "%d\n", | |
2131 | priv->missed_beacon_threshold); | |
2132 | ||
2133 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2134 | return ret; | |
2135 | } | |
2136 | ||
2137 | static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, | |
2138 | const char __user *user_buf, | |
2139 | size_t count, loff_t *ppos) | |
2140 | { | |
2141 | struct iwl_priv *priv = file->private_data; | |
2142 | char buf[8]; | |
2143 | int buf_size; | |
2144 | int missed; | |
2145 | ||
2146 | memset(buf, 0, sizeof(buf)); | |
2147 | buf_size = min(count, sizeof(buf) - 1); | |
2148 | if (copy_from_user(buf, user_buf, buf_size)) | |
2149 | return -EFAULT; | |
2150 | if (sscanf(buf, "%d", &missed) != 1) | |
2151 | return -EINVAL; | |
2152 | ||
2153 | if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN || | |
2154 | missed > IWL_MISSED_BEACON_THRESHOLD_MAX) | |
2155 | priv->missed_beacon_threshold = | |
2156 | IWL_MISSED_BEACON_THRESHOLD_DEF; | |
2157 | else | |
2158 | priv->missed_beacon_threshold = missed; | |
2159 | ||
2160 | return count; | |
2161 | } | |
2162 | ||
afbdd69a WYG |
2163 | static ssize_t iwl_dbgfs_internal_scan_write(struct file *file, |
2164 | const char __user *user_buf, | |
2165 | size_t count, loff_t *ppos) | |
2166 | { | |
2167 | struct iwl_priv *priv = file->private_data; | |
2168 | char buf[8]; | |
2169 | int buf_size; | |
2170 | int scan; | |
2171 | ||
2172 | memset(buf, 0, sizeof(buf)); | |
2173 | buf_size = min(count, sizeof(buf) - 1); | |
2174 | if (copy_from_user(buf, user_buf, buf_size)) | |
2175 | return -EFAULT; | |
2176 | if (sscanf(buf, "%d", &scan) != 1) | |
2177 | return -EINVAL; | |
2178 | ||
2179 | iwl_internal_short_hw_scan(priv); | |
2180 | ||
2181 | return count; | |
2182 | } | |
2183 | ||
3e4fb5fa TAN |
2184 | static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, |
2185 | char __user *user_buf, | |
2186 | size_t count, loff_t *ppos) { | |
2187 | ||
2188 | struct iwl_priv *priv = (struct iwl_priv *)file->private_data; | |
2189 | int pos = 0; | |
2190 | char buf[12]; | |
2191 | const size_t bufsz = sizeof(buf); | |
2192 | ssize_t ret; | |
2193 | ||
2194 | pos += scnprintf(buf + pos, bufsz - pos, "%u\n", | |
2195 | priv->cfg->plcp_delta_threshold); | |
2196 | ||
2197 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2198 | return ret; | |
2199 | } | |
2200 | ||
2201 | static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, | |
2202 | const char __user *user_buf, | |
2203 | size_t count, loff_t *ppos) { | |
2204 | ||
2205 | struct iwl_priv *priv = file->private_data; | |
2206 | char buf[8]; | |
2207 | int buf_size; | |
2208 | int plcp; | |
2209 | ||
2210 | memset(buf, 0, sizeof(buf)); | |
2211 | buf_size = min(count, sizeof(buf) - 1); | |
2212 | if (copy_from_user(buf, user_buf, buf_size)) | |
2213 | return -EFAULT; | |
2214 | if (sscanf(buf, "%d", &plcp) != 1) | |
2215 | return -EINVAL; | |
2216 | if ((plcp <= IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || | |
2217 | (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) | |
2218 | priv->cfg->plcp_delta_threshold = | |
2219 | IWL_MAX_PLCP_ERR_THRESHOLD_DEF; | |
2220 | else | |
2221 | priv->cfg->plcp_delta_threshold = plcp; | |
2222 | return count; | |
2223 | } | |
2224 | ||
528c3126 WYG |
2225 | static ssize_t iwl_dbgfs_force_reset_read(struct file *file, |
2226 | char __user *user_buf, | |
2227 | size_t count, loff_t *ppos) { | |
2228 | ||
2229 | struct iwl_priv *priv = file->private_data; | |
2230 | int i, pos = 0; | |
2231 | char buf[300]; | |
2232 | const size_t bufsz = sizeof(buf); | |
2233 | struct iwl_force_reset *force_reset; | |
2234 | ||
2235 | for (i = 0; i < IWL_MAX_FORCE_RESET; i++) { | |
2236 | force_reset = &priv->force_reset[i]; | |
2237 | pos += scnprintf(buf + pos, bufsz - pos, | |
2238 | "Force reset method %d\n", i); | |
2239 | pos += scnprintf(buf + pos, bufsz - pos, | |
2240 | "\tnumber of reset request: %d\n", | |
2241 | force_reset->reset_request_count); | |
2242 | pos += scnprintf(buf + pos, bufsz - pos, | |
2243 | "\tnumber of reset request success: %d\n", | |
2244 | force_reset->reset_success_count); | |
2245 | pos += scnprintf(buf + pos, bufsz - pos, | |
2246 | "\tnumber of reset request reject: %d\n", | |
2247 | force_reset->reset_reject_count); | |
2248 | pos += scnprintf(buf + pos, bufsz - pos, | |
2249 | "\treset duration: %lu\n", | |
2250 | force_reset->reset_duration); | |
2251 | } | |
2252 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
2253 | } | |
2254 | ||
04cafd7f WYG |
2255 | static ssize_t iwl_dbgfs_force_reset_write(struct file *file, |
2256 | const char __user *user_buf, | |
2257 | size_t count, loff_t *ppos) { | |
2258 | ||
2259 | struct iwl_priv *priv = file->private_data; | |
2260 | char buf[8]; | |
2261 | int buf_size; | |
2262 | int reset, ret; | |
2263 | ||
2264 | memset(buf, 0, sizeof(buf)); | |
2265 | buf_size = min(count, sizeof(buf) - 1); | |
2266 | if (copy_from_user(buf, user_buf, buf_size)) | |
2267 | return -EFAULT; | |
2268 | if (sscanf(buf, "%d", &reset) != 1) | |
2269 | return -EINVAL; | |
2270 | switch (reset) { | |
2271 | case IWL_RF_RESET: | |
2272 | case IWL_FW_RESET: | |
2273 | ret = iwl_force_reset(priv, reset); | |
2274 | break; | |
2275 | default: | |
2276 | return -EINVAL; | |
2277 | } | |
2278 | return ret ? ret : count; | |
2279 | } | |
2280 | ||
7163b8a4 WYG |
2281 | DEBUGFS_READ_FILE_OPS(rx_statistics); |
2282 | DEBUGFS_READ_FILE_OPS(tx_statistics); | |
20594eb0 | 2283 | DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); |
141b03e0 WYG |
2284 | DEBUGFS_READ_FILE_OPS(rx_queue); |
2285 | DEBUGFS_READ_FILE_OPS(tx_queue); | |
e8fe59ae WYG |
2286 | DEBUGFS_READ_FILE_OPS(ucode_rx_stats); |
2287 | DEBUGFS_READ_FILE_OPS(ucode_tx_stats); | |
2288 | DEBUGFS_READ_FILE_OPS(ucode_general_stats); | |
5225935b WYG |
2289 | DEBUGFS_READ_FILE_OPS(sensitivity); |
2290 | DEBUGFS_READ_FILE_OPS(chain_noise); | |
f204b248 | 2291 | DEBUGFS_READ_FILE_OPS(tx_power); |
c09430ab | 2292 | DEBUGFS_READ_FILE_OPS(power_save_status); |
7163b8a4 WYG |
2293 | DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); |
2294 | DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); | |
696bdee3 | 2295 | DEBUGFS_WRITE_FILE_OPS(csr); |
a9e1cb6a | 2296 | DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); |
1b3eb823 | 2297 | DEBUGFS_READ_FILE_OPS(fh_reg); |
a13d276f | 2298 | DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); |
afbdd69a | 2299 | DEBUGFS_WRITE_FILE_OPS(internal_scan); |
3e4fb5fa | 2300 | DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); |
528c3126 | 2301 | DEBUGFS_READ_WRITE_FILE_OPS(force_reset); |
20594eb0 | 2302 | |
712b6cf5 TW |
2303 | /* |
2304 | * Create the debugfs files and directories | |
2305 | * | |
2306 | */ | |
2307 | int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) | |
2308 | { | |
95b1a822 | 2309 | struct dentry *phyd = priv->hw->wiphy->debugfsdir; |
4c84a8f1 | 2310 | struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug; |
712b6cf5 | 2311 | |
4c84a8f1 JB |
2312 | dir_drv = debugfs_create_dir(name, phyd); |
2313 | if (!dir_drv) | |
2314 | return -ENOMEM; | |
712b6cf5 | 2315 | |
4c84a8f1 JB |
2316 | priv->debugfs_dir = dir_drv; |
2317 | ||
2318 | dir_data = debugfs_create_dir("data", dir_drv); | |
2319 | if (!dir_data) | |
2320 | goto err; | |
2321 | dir_rf = debugfs_create_dir("rf", dir_drv); | |
2322 | if (!dir_rf) | |
2323 | goto err; | |
2324 | dir_debug = debugfs_create_dir("debug", dir_drv); | |
2325 | if (!dir_debug) | |
712b6cf5 | 2326 | goto err; |
712b6cf5 | 2327 | |
4c84a8f1 JB |
2328 | DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); |
2329 | DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); | |
2330 | DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR); | |
2331 | DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); | |
2332 | DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); | |
2333 | DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); | |
2334 | DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR); | |
2335 | DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR); | |
2336 | DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR); | |
2337 | DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR); | |
2338 | DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR); | |
2339 | DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR); | |
2340 | DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); | |
2341 | DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR); | |
2342 | DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR); | |
2343 | DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); | |
2344 | DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR); | |
2345 | DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR); | |
2346 | DEBUGFS_ADD_FILE(tx_power, dir_debug, S_IRUSR); | |
2347 | DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); | |
2348 | DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR); | |
2349 | DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR); | |
2350 | DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR); | |
2351 | DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR); | |
2352 | DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR); | |
2353 | DEBUGFS_ADD_FILE(internal_scan, dir_debug, S_IWUSR); | |
2354 | DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR); | |
528c3126 | 2355 | DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR); |
e8fe59ae | 2356 | if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { |
4c84a8f1 JB |
2357 | DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); |
2358 | DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); | |
2359 | DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); | |
2360 | DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); | |
2361 | DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); | |
2362 | DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); | |
e8fe59ae | 2363 | } |
4c84a8f1 JB |
2364 | DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, &priv->disable_sens_cal); |
2365 | DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf, | |
445c2dff | 2366 | &priv->disable_chain_noise_cal); |
030b8655 WYG |
2367 | if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) || |
2368 | ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945)) | |
4c84a8f1 | 2369 | DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, |
030b8655 | 2370 | &priv->disable_tx_power_cal); |
712b6cf5 TW |
2371 | return 0; |
2372 | ||
2373 | err: | |
4c84a8f1 | 2374 | IWL_ERR(priv, "Can't create the debugfs directory\n"); |
712b6cf5 | 2375 | iwl_dbgfs_unregister(priv); |
4c84a8f1 | 2376 | return -ENOMEM; |
712b6cf5 TW |
2377 | } |
2378 | EXPORT_SYMBOL(iwl_dbgfs_register); | |
2379 | ||
2380 | /** | |
2381 | * Remove the debugfs files and directories | |
2382 | * | |
2383 | */ | |
2384 | void iwl_dbgfs_unregister(struct iwl_priv *priv) | |
2385 | { | |
4c84a8f1 | 2386 | if (!priv->debugfs_dir) |
712b6cf5 TW |
2387 | return; |
2388 | ||
4c84a8f1 JB |
2389 | debugfs_remove_recursive(priv->debugfs_dir); |
2390 | priv->debugfs_dir = NULL; | |
712b6cf5 TW |
2391 | } |
2392 | EXPORT_SYMBOL(iwl_dbgfs_unregister); | |
2393 | ||
2394 | ||
445c2dff | 2395 |