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8ca151b5 JB |
1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 25 | * in the file called COPYING. |
8ca151b5 JB |
26 | * |
27 | * Contact Information: | |
28 | * Intel Linux Wireless <ilw@linux.intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | #include "mvm.h" | |
64 | #include "sta.h" | |
65 | #include "iwl-io.h" | |
119663c3 | 66 | #include "iwl-prph.h" |
820a1a50 | 67 | #include "debugfs.h" |
8ca151b5 | 68 | |
1fa3f57a | 69 | static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, |
8ca151b5 JB |
70 | size_t count, loff_t *ppos) |
71 | { | |
8a0bd168 | 72 | int ret; |
8ca151b5 JB |
73 | u32 scd_q_msk; |
74 | ||
75 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
76 | return -EIO; | |
77 | ||
8ca151b5 JB |
78 | if (sscanf(buf, "%x", &scd_q_msk) != 1) |
79 | return -EINVAL; | |
80 | ||
81 | IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk); | |
82 | ||
83 | mutex_lock(&mvm->mutex); | |
84 | ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, true) ? : count; | |
85 | mutex_unlock(&mvm->mutex); | |
86 | ||
87 | return ret; | |
88 | } | |
89 | ||
1fa3f57a | 90 | static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf, |
8ca151b5 JB |
91 | size_t count, loff_t *ppos) |
92 | { | |
8ca151b5 | 93 | struct ieee80211_sta *sta; |
8a0bd168 | 94 | int sta_id, drain, ret; |
8ca151b5 JB |
95 | |
96 | if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) | |
97 | return -EIO; | |
98 | ||
8ca151b5 JB |
99 | if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) |
100 | return -EINVAL; | |
60765a47 JB |
101 | if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT) |
102 | return -EINVAL; | |
103 | if (drain < 0 || drain > 1) | |
104 | return -EINVAL; | |
8ca151b5 JB |
105 | |
106 | mutex_lock(&mvm->mutex); | |
107 | ||
108 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], | |
109 | lockdep_is_held(&mvm->mutex)); | |
110 | if (IS_ERR_OR_NULL(sta)) | |
111 | ret = -ENOENT; | |
112 | else | |
113 | ret = iwl_mvm_drain_sta(mvm, (void *)sta->drv_priv, drain) ? : | |
114 | count; | |
115 | ||
116 | mutex_unlock(&mvm->mutex); | |
117 | ||
118 | return ret; | |
119 | } | |
120 | ||
121 | static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, | |
122 | size_t count, loff_t *ppos) | |
123 | { | |
124 | struct iwl_mvm *mvm = file->private_data; | |
125 | const struct fw_img *img; | |
126 | int ofs, len, pos = 0; | |
127 | size_t bufsz, ret; | |
128 | char *buf; | |
129 | u8 *ptr; | |
130 | ||
60191d99 JB |
131 | if (!mvm->ucode_loaded) |
132 | return -EINVAL; | |
133 | ||
8ca151b5 JB |
134 | /* default is to dump the entire data segment */ |
135 | if (!mvm->dbgfs_sram_offset && !mvm->dbgfs_sram_len) { | |
8ca151b5 | 136 | img = &mvm->fw->img[mvm->cur_ucode]; |
60191d99 JB |
137 | ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; |
138 | len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
139 | } else { | |
140 | ofs = mvm->dbgfs_sram_offset; | |
141 | len = mvm->dbgfs_sram_len; | |
8ca151b5 | 142 | } |
8ca151b5 JB |
143 | |
144 | bufsz = len * 4 + 256; | |
145 | buf = kzalloc(bufsz, GFP_KERNEL); | |
146 | if (!buf) | |
147 | return -ENOMEM; | |
148 | ||
149 | ptr = kzalloc(len, GFP_KERNEL); | |
150 | if (!ptr) { | |
151 | kfree(buf); | |
152 | return -ENOMEM; | |
153 | } | |
154 | ||
155 | pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n", len); | |
60191d99 | 156 | pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n", ofs); |
8ca151b5 | 157 | |
60191d99 | 158 | iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); |
8ca151b5 JB |
159 | for (ofs = 0; ofs < len; ofs += 16) { |
160 | pos += scnprintf(buf + pos, bufsz - pos, "0x%.4x ", ofs); | |
161 | hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos, | |
162 | bufsz - pos, false); | |
163 | pos += strlen(buf + pos); | |
164 | if (bufsz - pos > 0) | |
165 | buf[pos++] = '\n'; | |
166 | } | |
167 | ||
168 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
169 | ||
170 | kfree(buf); | |
171 | kfree(ptr); | |
172 | ||
173 | return ret; | |
174 | } | |
175 | ||
1fa3f57a JB |
176 | static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf, |
177 | size_t count, loff_t *ppos) | |
8ca151b5 | 178 | { |
8ca151b5 JB |
179 | u32 offset, len; |
180 | ||
8ca151b5 JB |
181 | if (sscanf(buf, "%x,%x", &offset, &len) == 2) { |
182 | if ((offset & 0x3) || (len & 0x3)) | |
183 | return -EINVAL; | |
184 | mvm->dbgfs_sram_offset = offset; | |
185 | mvm->dbgfs_sram_len = len; | |
186 | } else { | |
187 | mvm->dbgfs_sram_offset = 0; | |
188 | mvm->dbgfs_sram_len = 0; | |
189 | } | |
190 | ||
191 | return count; | |
192 | } | |
193 | ||
194 | static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, | |
195 | size_t count, loff_t *ppos) | |
196 | { | |
197 | struct iwl_mvm *mvm = file->private_data; | |
198 | struct ieee80211_sta *sta; | |
199 | char buf[400]; | |
200 | int i, pos = 0, bufsz = sizeof(buf); | |
201 | ||
202 | mutex_lock(&mvm->mutex); | |
203 | ||
204 | for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { | |
205 | pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); | |
206 | sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], | |
207 | lockdep_is_held(&mvm->mutex)); | |
208 | if (!sta) | |
209 | pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); | |
210 | else if (IS_ERR(sta)) | |
211 | pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", | |
212 | PTR_ERR(sta)); | |
213 | else | |
214 | pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", | |
215 | sta->addr); | |
216 | } | |
217 | ||
218 | mutex_unlock(&mvm->mutex); | |
219 | ||
220 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
221 | } | |
222 | ||
64b928c4 AB |
223 | static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file, |
224 | char __user *user_buf, | |
8ca151b5 JB |
225 | size_t count, loff_t *ppos) |
226 | { | |
227 | struct iwl_mvm *mvm = file->private_data; | |
64b928c4 AB |
228 | char buf[64]; |
229 | int bufsz = sizeof(buf); | |
230 | int pos = 0; | |
8ca151b5 | 231 | |
64b928c4 AB |
232 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n", |
233 | mvm->disable_power_off); | |
234 | pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", | |
235 | mvm->disable_power_off_d3); | |
8ca151b5 | 236 | |
64b928c4 | 237 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
8ca151b5 JB |
238 | } |
239 | ||
1fa3f57a | 240 | static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, |
64b928c4 | 241 | size_t count, loff_t *ppos) |
8ca151b5 | 242 | { |
1fa3f57a | 243 | int ret, val; |
64b928c4 AB |
244 | |
245 | if (!mvm->ucode_loaded) | |
246 | return -EIO; | |
8ca151b5 | 247 | |
64b928c4 AB |
248 | if (!strncmp("disable_power_off_d0=", buf, 21)) { |
249 | if (sscanf(buf + 21, "%d", &val) != 1) | |
250 | return -EINVAL; | |
251 | mvm->disable_power_off = val; | |
252 | } else if (!strncmp("disable_power_off_d3=", buf, 21)) { | |
253 | if (sscanf(buf + 21, "%d", &val) != 1) | |
254 | return -EINVAL; | |
255 | mvm->disable_power_off_d3 = val; | |
256 | } else { | |
8ca151b5 | 257 | return -EINVAL; |
64b928c4 | 258 | } |
8ca151b5 | 259 | |
64b928c4 AB |
260 | mutex_lock(&mvm->mutex); |
261 | ret = iwl_mvm_power_update_device_mode(mvm); | |
262 | mutex_unlock(&mvm->mutex); | |
8ca151b5 | 263 | |
64b928c4 | 264 | return ret ?: count; |
8ca151b5 JB |
265 | } |
266 | ||
10942342 EG |
267 | #define BT_MBOX_MSG(_notif, _num, _field) \ |
268 | ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\ | |
269 | >> BT_MBOX##_num##_##_field##_POS) | |
270 | ||
271 | ||
272 | #define BT_MBOX_PRINT(_num, _field, _end) \ | |
273 | pos += scnprintf(buf + pos, bufsz - pos, \ | |
274 | "\t%s: %d%s", \ | |
275 | #_field, \ | |
276 | BT_MBOX_MSG(notif, _num, _field), \ | |
277 | true ? "\n" : ", "); | |
278 | ||
279 | static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, | |
280 | size_t count, loff_t *ppos) | |
281 | { | |
282 | struct iwl_mvm *mvm = file->private_data; | |
283 | struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif; | |
284 | char *buf; | |
285 | int ret, pos = 0, bufsz = sizeof(char) * 1024; | |
286 | ||
287 | buf = kmalloc(bufsz, GFP_KERNEL); | |
288 | if (!buf) | |
289 | return -ENOMEM; | |
290 | ||
291 | mutex_lock(&mvm->mutex); | |
292 | ||
293 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); | |
294 | ||
295 | BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); | |
296 | BT_MBOX_PRINT(0, LE_PROF1, false); | |
297 | BT_MBOX_PRINT(0, LE_PROF2, false); | |
298 | BT_MBOX_PRINT(0, LE_PROF_OTHER, false); | |
299 | BT_MBOX_PRINT(0, CHL_SEQ_N, false); | |
300 | BT_MBOX_PRINT(0, INBAND_S, false); | |
301 | BT_MBOX_PRINT(0, LE_MIN_RSSI, false); | |
302 | BT_MBOX_PRINT(0, LE_SCAN, false); | |
303 | BT_MBOX_PRINT(0, LE_ADV, false); | |
304 | BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); | |
305 | BT_MBOX_PRINT(0, OPEN_CON_1, true); | |
306 | ||
307 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); | |
308 | ||
309 | BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); | |
310 | BT_MBOX_PRINT(1, IP_SR, false); | |
311 | BT_MBOX_PRINT(1, LE_MSTR, false); | |
312 | BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); | |
313 | BT_MBOX_PRINT(1, MSG_TYPE, false); | |
314 | BT_MBOX_PRINT(1, SSN, true); | |
315 | ||
316 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); | |
317 | ||
318 | BT_MBOX_PRINT(2, SNIFF_ACT, false); | |
319 | BT_MBOX_PRINT(2, PAG, false); | |
320 | BT_MBOX_PRINT(2, INQUIRY, false); | |
321 | BT_MBOX_PRINT(2, CONN, false); | |
322 | BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); | |
323 | BT_MBOX_PRINT(2, DISC, false); | |
324 | BT_MBOX_PRINT(2, SCO_TX_ACT, false); | |
325 | BT_MBOX_PRINT(2, SCO_RX_ACT, false); | |
326 | BT_MBOX_PRINT(2, ESCO_RE_TX, false); | |
327 | BT_MBOX_PRINT(2, SCO_DURATION, true); | |
328 | ||
329 | pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); | |
330 | ||
331 | BT_MBOX_PRINT(3, SCO_STATE, false); | |
332 | BT_MBOX_PRINT(3, SNIFF_STATE, false); | |
333 | BT_MBOX_PRINT(3, A2DP_STATE, false); | |
334 | BT_MBOX_PRINT(3, ACL_STATE, false); | |
335 | BT_MBOX_PRINT(3, MSTR_STATE, false); | |
336 | BT_MBOX_PRINT(3, OBX_STATE, false); | |
337 | BT_MBOX_PRINT(3, OPEN_CON_2, false); | |
338 | BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); | |
339 | BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); | |
340 | BT_MBOX_PRINT(3, INBAND_P, false); | |
341 | BT_MBOX_PRINT(3, MSG_TYPE_2, false); | |
342 | BT_MBOX_PRINT(3, SSN_2, false); | |
343 | BT_MBOX_PRINT(3, UPDATE_REQUEST, true); | |
344 | ||
345 | pos += scnprintf(buf+pos, bufsz-pos, "bt_status = %d\n", | |
2de13cae | 346 | notif->bt_status); |
10942342 | 347 | pos += scnprintf(buf+pos, bufsz-pos, "bt_open_conn = %d\n", |
2de13cae | 348 | notif->bt_open_conn); |
10942342 | 349 | pos += scnprintf(buf+pos, bufsz-pos, "bt_traffic_load = %d\n", |
2de13cae | 350 | notif->bt_traffic_load); |
10942342 | 351 | pos += scnprintf(buf+pos, bufsz-pos, "bt_agg_traffic_load = %d\n", |
2de13cae | 352 | notif->bt_agg_traffic_load); |
10942342 | 353 | pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", |
2de13cae EG |
354 | notif->bt_ci_compliance); |
355 | pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", | |
356 | le32_to_cpu(notif->primary_ch_lut)); | |
357 | pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", | |
358 | le32_to_cpu(notif->secondary_ch_lut)); | |
359 | pos += scnprintf(buf+pos, bufsz-pos, "bt_activity_grading = %d\n", | |
360 | le32_to_cpu(notif->bt_activity_grading)); | |
10942342 EG |
361 | |
362 | mutex_unlock(&mvm->mutex); | |
363 | ||
364 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
365 | kfree(buf); | |
366 | ||
367 | return ret; | |
368 | } | |
369 | #undef BT_MBOX_PRINT | |
370 | ||
2de13cae EG |
371 | static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, |
372 | size_t count, loff_t *ppos) | |
373 | { | |
374 | struct iwl_mvm *mvm = file->private_data; | |
375 | struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; | |
376 | char buf[256]; | |
377 | int bufsz = sizeof(buf); | |
378 | int pos = 0; | |
379 | ||
380 | mutex_lock(&mvm->mutex); | |
381 | ||
382 | pos += scnprintf(buf+pos, bufsz-pos, "Channel inhibition CMD\n"); | |
383 | pos += scnprintf(buf+pos, bufsz-pos, | |
384 | "\tPrimary Channel Bitmap 0x%016llx Fat: %d\n", | |
385 | le64_to_cpu(cmd->bt_primary_ci), | |
386 | !!cmd->co_run_bw_primary); | |
387 | pos += scnprintf(buf+pos, bufsz-pos, | |
388 | "\tSecondary Channel Bitmap 0x%016llx Fat: %d\n", | |
389 | le64_to_cpu(cmd->bt_secondary_ci), | |
390 | !!cmd->co_run_bw_secondary); | |
391 | ||
392 | pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n"); | |
393 | pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill Mask 0x%08x\n", | |
394 | iwl_bt_ack_kill_msk[mvm->bt_kill_msk]); | |
395 | pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill Mask 0x%08x\n", | |
396 | iwl_bt_cts_kill_msk[mvm->bt_kill_msk]); | |
397 | ||
398 | mutex_unlock(&mvm->mutex); | |
399 | ||
400 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
401 | } | |
402 | ||
3848ab66 MG |
403 | #define PRINT_STATS_LE32(_str, _val) \ |
404 | pos += scnprintf(buf + pos, bufsz - pos, \ | |
405 | fmt_table, _str, \ | |
406 | le32_to_cpu(_val)) | |
407 | ||
408 | static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, | |
409 | char __user *user_buf, size_t count, | |
410 | loff_t *ppos) | |
411 | { | |
412 | struct iwl_mvm *mvm = file->private_data; | |
413 | static const char *fmt_table = "\t%-30s %10u\n"; | |
414 | static const char *fmt_header = "%-32s\n"; | |
415 | int pos = 0; | |
416 | char *buf; | |
417 | int ret; | |
3f617281 LC |
418 | /* 43 is the size of each data line, 33 is the size of each header */ |
419 | size_t bufsz = | |
420 | ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) + | |
421 | (4 * 33) + 1; | |
422 | ||
3848ab66 MG |
423 | struct mvm_statistics_rx_phy *ofdm; |
424 | struct mvm_statistics_rx_phy *cck; | |
425 | struct mvm_statistics_rx_non_phy *general; | |
426 | struct mvm_statistics_rx_ht_phy *ht; | |
427 | ||
428 | buf = kzalloc(bufsz, GFP_KERNEL); | |
429 | if (!buf) | |
430 | return -ENOMEM; | |
431 | ||
432 | mutex_lock(&mvm->mutex); | |
433 | ||
434 | ofdm = &mvm->rx_stats.ofdm; | |
435 | cck = &mvm->rx_stats.cck; | |
436 | general = &mvm->rx_stats.general; | |
437 | ht = &mvm->rx_stats.ofdm_ht; | |
438 | ||
439 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
440 | "Statistics_Rx - OFDM"); | |
441 | PRINT_STATS_LE32("ina_cnt", ofdm->ina_cnt); | |
442 | PRINT_STATS_LE32("fina_cnt", ofdm->fina_cnt); | |
443 | PRINT_STATS_LE32("plcp_err", ofdm->plcp_err); | |
444 | PRINT_STATS_LE32("crc32_err", ofdm->crc32_err); | |
445 | PRINT_STATS_LE32("overrun_err", ofdm->overrun_err); | |
446 | PRINT_STATS_LE32("early_overrun_err", ofdm->early_overrun_err); | |
447 | PRINT_STATS_LE32("crc32_good", ofdm->crc32_good); | |
448 | PRINT_STATS_LE32("false_alarm_cnt", ofdm->false_alarm_cnt); | |
449 | PRINT_STATS_LE32("fina_sync_err_cnt", ofdm->fina_sync_err_cnt); | |
450 | PRINT_STATS_LE32("sfd_timeout", ofdm->sfd_timeout); | |
451 | PRINT_STATS_LE32("fina_timeout", ofdm->fina_timeout); | |
452 | PRINT_STATS_LE32("unresponded_rts", ofdm->unresponded_rts); | |
453 | PRINT_STATS_LE32("rxe_frame_lmt_overrun", | |
454 | ofdm->rxe_frame_limit_overrun); | |
455 | PRINT_STATS_LE32("sent_ack_cnt", ofdm->sent_ack_cnt); | |
456 | PRINT_STATS_LE32("sent_cts_cnt", ofdm->sent_cts_cnt); | |
457 | PRINT_STATS_LE32("sent_ba_rsp_cnt", ofdm->sent_ba_rsp_cnt); | |
458 | PRINT_STATS_LE32("dsp_self_kill", ofdm->dsp_self_kill); | |
459 | PRINT_STATS_LE32("mh_format_err", ofdm->mh_format_err); | |
460 | PRINT_STATS_LE32("re_acq_main_rssi_sum", ofdm->re_acq_main_rssi_sum); | |
461 | PRINT_STATS_LE32("reserved", ofdm->reserved); | |
462 | ||
463 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
464 | "Statistics_Rx - CCK"); | |
465 | PRINT_STATS_LE32("ina_cnt", cck->ina_cnt); | |
466 | PRINT_STATS_LE32("fina_cnt", cck->fina_cnt); | |
467 | PRINT_STATS_LE32("plcp_err", cck->plcp_err); | |
468 | PRINT_STATS_LE32("crc32_err", cck->crc32_err); | |
469 | PRINT_STATS_LE32("overrun_err", cck->overrun_err); | |
470 | PRINT_STATS_LE32("early_overrun_err", cck->early_overrun_err); | |
471 | PRINT_STATS_LE32("crc32_good", cck->crc32_good); | |
472 | PRINT_STATS_LE32("false_alarm_cnt", cck->false_alarm_cnt); | |
473 | PRINT_STATS_LE32("fina_sync_err_cnt", cck->fina_sync_err_cnt); | |
474 | PRINT_STATS_LE32("sfd_timeout", cck->sfd_timeout); | |
475 | PRINT_STATS_LE32("fina_timeout", cck->fina_timeout); | |
476 | PRINT_STATS_LE32("unresponded_rts", cck->unresponded_rts); | |
477 | PRINT_STATS_LE32("rxe_frame_lmt_overrun", | |
478 | cck->rxe_frame_limit_overrun); | |
479 | PRINT_STATS_LE32("sent_ack_cnt", cck->sent_ack_cnt); | |
480 | PRINT_STATS_LE32("sent_cts_cnt", cck->sent_cts_cnt); | |
481 | PRINT_STATS_LE32("sent_ba_rsp_cnt", cck->sent_ba_rsp_cnt); | |
482 | PRINT_STATS_LE32("dsp_self_kill", cck->dsp_self_kill); | |
483 | PRINT_STATS_LE32("mh_format_err", cck->mh_format_err); | |
484 | PRINT_STATS_LE32("re_acq_main_rssi_sum", cck->re_acq_main_rssi_sum); | |
485 | PRINT_STATS_LE32("reserved", cck->reserved); | |
486 | ||
487 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
488 | "Statistics_Rx - GENERAL"); | |
489 | PRINT_STATS_LE32("bogus_cts", general->bogus_cts); | |
490 | PRINT_STATS_LE32("bogus_ack", general->bogus_ack); | |
491 | PRINT_STATS_LE32("non_bssid_frames", general->non_bssid_frames); | |
492 | PRINT_STATS_LE32("filtered_frames", general->filtered_frames); | |
493 | PRINT_STATS_LE32("non_channel_beacons", general->non_channel_beacons); | |
494 | PRINT_STATS_LE32("channel_beacons", general->channel_beacons); | |
495 | PRINT_STATS_LE32("num_missed_bcon", general->num_missed_bcon); | |
496 | PRINT_STATS_LE32("adc_rx_saturation_time", | |
497 | general->adc_rx_saturation_time); | |
498 | PRINT_STATS_LE32("ina_detection_search_time", | |
499 | general->ina_detection_search_time); | |
500 | PRINT_STATS_LE32("beacon_silence_rssi_a", | |
501 | general->beacon_silence_rssi_a); | |
502 | PRINT_STATS_LE32("beacon_silence_rssi_b", | |
503 | general->beacon_silence_rssi_b); | |
504 | PRINT_STATS_LE32("beacon_silence_rssi_c", | |
505 | general->beacon_silence_rssi_c); | |
506 | PRINT_STATS_LE32("interference_data_flag", | |
507 | general->interference_data_flag); | |
508 | PRINT_STATS_LE32("channel_load", general->channel_load); | |
509 | PRINT_STATS_LE32("dsp_false_alarms", general->dsp_false_alarms); | |
510 | PRINT_STATS_LE32("beacon_rssi_a", general->beacon_rssi_a); | |
511 | PRINT_STATS_LE32("beacon_rssi_b", general->beacon_rssi_b); | |
512 | PRINT_STATS_LE32("beacon_rssi_c", general->beacon_rssi_c); | |
513 | PRINT_STATS_LE32("beacon_energy_a", general->beacon_energy_a); | |
514 | PRINT_STATS_LE32("beacon_energy_b", general->beacon_energy_b); | |
515 | PRINT_STATS_LE32("beacon_energy_c", general->beacon_energy_c); | |
516 | PRINT_STATS_LE32("num_bt_kills", general->num_bt_kills); | |
3f617281 | 517 | PRINT_STATS_LE32("mac_id", general->mac_id); |
3848ab66 MG |
518 | PRINT_STATS_LE32("directed_data_mpdu", general->directed_data_mpdu); |
519 | ||
520 | pos += scnprintf(buf + pos, bufsz - pos, fmt_header, | |
521 | "Statistics_Rx - HT"); | |
522 | PRINT_STATS_LE32("plcp_err", ht->plcp_err); | |
523 | PRINT_STATS_LE32("overrun_err", ht->overrun_err); | |
524 | PRINT_STATS_LE32("early_overrun_err", ht->early_overrun_err); | |
525 | PRINT_STATS_LE32("crc32_good", ht->crc32_good); | |
526 | PRINT_STATS_LE32("crc32_err", ht->crc32_err); | |
527 | PRINT_STATS_LE32("mh_format_err", ht->mh_format_err); | |
528 | PRINT_STATS_LE32("agg_crc32_good", ht->agg_crc32_good); | |
529 | PRINT_STATS_LE32("agg_mpdu_cnt", ht->agg_mpdu_cnt); | |
530 | PRINT_STATS_LE32("agg_cnt", ht->agg_cnt); | |
531 | PRINT_STATS_LE32("unsupport_mcs", ht->unsupport_mcs); | |
532 | ||
533 | mutex_unlock(&mvm->mutex); | |
534 | ||
535 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
536 | kfree(buf); | |
537 | ||
538 | return ret; | |
539 | } | |
540 | #undef PRINT_STAT_LE32 | |
541 | ||
1fa3f57a | 542 | static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, |
490953ac EG |
543 | size_t count, loff_t *ppos) |
544 | { | |
490953ac EG |
545 | int ret; |
546 | ||
490953ac EG |
547 | mutex_lock(&mvm->mutex); |
548 | ||
291aa7c4 EH |
549 | /* allow one more restart that we're provoking here */ |
550 | if (mvm->restart_fw >= 0) | |
551 | mvm->restart_fw++; | |
552 | ||
490953ac EG |
553 | /* take the return value to make compiler happy - it will fail anyway */ |
554 | ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, CMD_SYNC, 0, NULL); | |
555 | ||
556 | mutex_unlock(&mvm->mutex); | |
557 | ||
490953ac EG |
558 | return count; |
559 | } | |
560 | ||
1fa3f57a | 561 | static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, |
119663c3 AB |
562 | size_t count, loff_t *ppos) |
563 | { | |
119663c3 AB |
564 | iwl_write_prph(mvm->trans, DEVICE_SET_NMI_REG, 1); |
565 | ||
566 | return count; | |
567 | } | |
568 | ||
91b05d10 OG |
569 | static ssize_t |
570 | iwl_dbgfs_scan_ant_rxchain_read(struct file *file, | |
571 | char __user *user_buf, | |
572 | size_t count, loff_t *ppos) | |
573 | { | |
574 | struct iwl_mvm *mvm = file->private_data; | |
575 | int pos = 0; | |
576 | char buf[32]; | |
577 | const size_t bufsz = sizeof(buf); | |
578 | ||
579 | /* print which antennas were set for the scan command by the user */ | |
580 | pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); | |
581 | if (mvm->scan_rx_ant & ANT_A) | |
582 | pos += scnprintf(buf + pos, bufsz - pos, "A"); | |
583 | if (mvm->scan_rx_ant & ANT_B) | |
584 | pos += scnprintf(buf + pos, bufsz - pos, "B"); | |
585 | if (mvm->scan_rx_ant & ANT_C) | |
586 | pos += scnprintf(buf + pos, bufsz - pos, "C"); | |
587 | pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant); | |
588 | ||
589 | return simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
590 | } | |
591 | ||
592 | static ssize_t | |
1fa3f57a | 593 | iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, |
91b05d10 OG |
594 | size_t count, loff_t *ppos) |
595 | { | |
91b05d10 OG |
596 | u8 scan_rx_ant; |
597 | ||
91b05d10 OG |
598 | if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) |
599 | return -EINVAL; | |
600 | if (scan_rx_ant > ANT_ABC) | |
601 | return -EINVAL; | |
602 | if (scan_rx_ant & ~iwl_fw_valid_rx_ant(mvm->fw)) | |
603 | return -EINVAL; | |
604 | ||
91b05d10 OG |
605 | mvm->scan_rx_ant = scan_rx_ant; |
606 | ||
607 | return count; | |
608 | } | |
609 | ||
afc66bb7 | 610 | #ifdef CONFIG_PM_SLEEP |
1fa3f57a | 611 | static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf, |
afc66bb7 JB |
612 | size_t count, loff_t *ppos) |
613 | { | |
afc66bb7 JB |
614 | int store; |
615 | ||
afc66bb7 JB |
616 | if (sscanf(buf, "%d", &store) != 1) |
617 | return -EINVAL; | |
618 | ||
619 | mvm->store_d3_resume_sram = store; | |
620 | ||
621 | return count; | |
622 | } | |
623 | ||
624 | static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, | |
625 | size_t count, loff_t *ppos) | |
626 | { | |
627 | struct iwl_mvm *mvm = file->private_data; | |
628 | const struct fw_img *img; | |
629 | int ofs, len, pos = 0; | |
630 | size_t bufsz, ret; | |
631 | char *buf; | |
632 | u8 *ptr = mvm->d3_resume_sram; | |
633 | ||
634 | img = &mvm->fw->img[IWL_UCODE_WOWLAN]; | |
635 | len = img->sec[IWL_UCODE_SECTION_DATA].len; | |
636 | ||
637 | bufsz = len * 4 + 256; | |
638 | buf = kzalloc(bufsz, GFP_KERNEL); | |
639 | if (!buf) | |
640 | return -ENOMEM; | |
641 | ||
642 | pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n", | |
643 | mvm->store_d3_resume_sram ? "en" : "dis"); | |
644 | ||
645 | if (ptr) { | |
646 | for (ofs = 0; ofs < len; ofs += 16) { | |
647 | pos += scnprintf(buf + pos, bufsz - pos, | |
648 | "0x%.4x ", ofs); | |
649 | hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos, | |
650 | bufsz - pos, false); | |
651 | pos += strlen(buf + pos); | |
652 | if (bufsz - pos > 0) | |
653 | buf[pos++] = '\n'; | |
654 | } | |
655 | } else { | |
656 | pos += scnprintf(buf + pos, bufsz - pos, | |
657 | "(no data captured)\n"); | |
658 | } | |
659 | ||
660 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); | |
661 | ||
662 | kfree(buf); | |
663 | ||
664 | return ret; | |
665 | } | |
666 | #endif | |
667 | ||
1fa3f57a JB |
668 | #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ |
669 | _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) | |
670 | #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ | |
671 | _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) | |
8ca151b5 JB |
672 | #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) do { \ |
673 | if (!debugfs_create_file(#name, mode, parent, mvm, \ | |
674 | &iwl_dbgfs_##name##_ops)) \ | |
675 | goto err; \ | |
676 | } while (0) | |
677 | ||
8ca151b5 | 678 | /* Device wide debugfs entries */ |
1fa3f57a JB |
679 | MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); |
680 | MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); | |
681 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); | |
8ca151b5 | 682 | MVM_DEBUGFS_READ_FILE_OPS(stations); |
10942342 | 683 | MVM_DEBUGFS_READ_FILE_OPS(bt_notif); |
2de13cae | 684 | MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); |
1fa3f57a | 685 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); |
3848ab66 | 686 | MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); |
1fa3f57a JB |
687 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); |
688 | MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); | |
689 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); | |
91b05d10 | 690 | |
afc66bb7 | 691 | #ifdef CONFIG_PM_SLEEP |
1fa3f57a | 692 | MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8); |
afc66bb7 | 693 | #endif |
8ca151b5 JB |
694 | |
695 | int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) | |
696 | { | |
697 | char buf[100]; | |
698 | ||
699 | mvm->debugfs_dir = dbgfs_dir; | |
700 | ||
701 | MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR); | |
702 | MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR); | |
703 | MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR); | |
704 | MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR); | |
10942342 | 705 | MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR); |
2de13cae | 706 | MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR); |
64b928c4 AB |
707 | if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD) |
708 | MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, | |
709 | S_IRUSR | S_IWUSR); | |
3848ab66 | 710 | MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR); |
490953ac | 711 | MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR); |
119663c3 | 712 | MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR); |
91b05d10 OG |
713 | MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, |
714 | S_IWUSR | S_IRUSR); | |
afc66bb7 JB |
715 | #ifdef CONFIG_PM_SLEEP |
716 | MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR); | |
debff618 | 717 | MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR); |
b0114714 JB |
718 | if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR, |
719 | mvm->debugfs_dir, &mvm->d3_wake_sysassert)) | |
720 | goto err; | |
afc66bb7 | 721 | #endif |
8ca151b5 JB |
722 | |
723 | /* | |
724 | * Create a symlink with mac80211. It will be removed when mac80211 | |
725 | * exists (before the opmode exists which removes the target.) | |
726 | */ | |
727 | snprintf(buf, 100, "../../%s/%s", | |
728 | dbgfs_dir->d_parent->d_parent->d_name.name, | |
729 | dbgfs_dir->d_parent->d_name.name); | |
730 | if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf)) | |
731 | goto err; | |
732 | ||
733 | return 0; | |
734 | err: | |
735 | IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); | |
736 | return -ENOMEM; | |
737 | } |