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iwlwifi: mvm: add dest ip to bcast filter configuration
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / debugfs.c
CommitLineData
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 *
51368bf7 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8ca151b5
JB		 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 *
51368bf7 33 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8ca151b5
JB		 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 69static 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 90static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
8ca151b5
JB		 91 size_t count, loff_t *ppos)
92{
f327b04c 93 struct iwl_mvm_sta *mvmsta;
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
f327b04c
EG		 108 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
109
110 if (!mvmsta)
8ca151b5
JB		 111 ret = -ENOENT;
112 else
f327b04c 113 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
8ca151b5
JB		 114
115 mutex_unlock(&mvm->mutex);
116
117 return ret;
118}
119
120static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
121 size_t count, loff_t *ppos)
122{
123 struct iwl_mvm *mvm = file->private_data;
124 const struct fw_img *img;
d510342f
EG		 125 unsigned int ofs, len;
126 size_t ret;
8ca151b5
JB		 127 u8 *ptr;
128
60191d99
JB		 129 if (!mvm->ucode_loaded)
130 return -EINVAL;
131
8ca151b5 132 /* default is to dump the entire data segment */
d510342f
EG		 133 img = &mvm->fw->img[mvm->cur_ucode];
134 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
135 len = img->sec[IWL_UCODE_SECTION_DATA].len;
136
01e0efe3 137 if (mvm->dbgfs_sram_len) {
60191d99
JB		 138 ofs = mvm->dbgfs_sram_offset;
139 len = mvm->dbgfs_sram_len;
8ca151b5 140 }
8ca151b5 141
8ca151b5 142 ptr = kzalloc(len, GFP_KERNEL);
d510342f 143 if (!ptr)
8ca151b5 144 return -ENOMEM;
8ca151b5 145
60191d99 146 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
8ca151b5 147
d510342f 148 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
8ca151b5 149
8ca151b5
JB		 150 kfree(ptr);
151
152 return ret;
153}
154
1fa3f57a
JB		 155static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
156 size_t count, loff_t *ppos)
8ca151b5 157{
d510342f 158 const struct fw_img *img;
8ca151b5 159 u32 offset, len;
d510342f
EG		 160 u32 img_offset, img_len;
161
162 if (!mvm->ucode_loaded)
163 return -EINVAL;
164
165 img = &mvm->fw->img[mvm->cur_ucode];
166 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
167 img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
8ca151b5 168
8ca151b5
JB		 169 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
170 if ((offset & 0x3) || (len & 0x3))
171 return -EINVAL;
d510342f
EG		 172
173 if (offset + len > img_offset + img_len)
174 return -EINVAL;
175
8ca151b5
JB		 176 mvm->dbgfs_sram_offset = offset;
177 mvm->dbgfs_sram_len = len;
178 } else {
179 mvm->dbgfs_sram_offset = 0;
180 mvm->dbgfs_sram_len = 0;
181 }
182
183 return count;
184}
185
186static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
187 size_t count, loff_t *ppos)
188{
189 struct iwl_mvm *mvm = file->private_data;
190 struct ieee80211_sta *sta;
191 char buf[400];
192 int i, pos = 0, bufsz = sizeof(buf);
193
194 mutex_lock(&mvm->mutex);
195
196 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
197 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
198 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
199 lockdep_is_held(&mvm->mutex));
200 if (!sta)
201 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
202 else if (IS_ERR(sta))
203 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
204 PTR_ERR(sta));
205 else
206 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
207 sta->addr);
208 }
209
210 mutex_unlock(&mvm->mutex);
211
212 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
213}
214
64b928c4
AB		 215static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
216 char __user *user_buf,
8ca151b5
JB		 217 size_t count, loff_t *ppos)
218{
219 struct iwl_mvm *mvm = file->private_data;
64b928c4
AB		 220 char buf[64];
221 int bufsz = sizeof(buf);
222 int pos = 0;
8ca151b5 223
64b928c4
AB		 224 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
225 mvm->disable_power_off);
226 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
227 mvm->disable_power_off_d3);
8ca151b5 228
64b928c4 229 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
8ca151b5
JB		 230}
231
1fa3f57a 232static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
64b928c4 233 size_t count, loff_t *ppos)
8ca151b5 234{
1fa3f57a 235 int ret, val;
64b928c4
AB		 236
237 if (!mvm->ucode_loaded)
238 return -EIO;
8ca151b5 239
64b928c4
AB		 240 if (!strncmp("disable_power_off_d0=", buf, 21)) {
241 if (sscanf(buf + 21, "%d", &val) != 1)
242 return -EINVAL;
243 mvm->disable_power_off = val;
244 } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
245 if (sscanf(buf + 21, "%d", &val) != 1)
246 return -EINVAL;
247 mvm->disable_power_off_d3 = val;
248 } else {
8ca151b5 249 return -EINVAL;
64b928c4 250 }
8ca151b5 251
64b928c4
AB		 252 mutex_lock(&mvm->mutex);
253 ret = iwl_mvm_power_update_device_mode(mvm);
254 mutex_unlock(&mvm->mutex);
8ca151b5 255
64b928c4 256 return ret ?: count;
8ca151b5
JB		 257}
258
10942342
EG		 259#define BT_MBOX_MSG(_notif, _num, _field) \
260 ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\
261 >> BT_MBOX##_num##_##_field##_POS)
262
263
264#define BT_MBOX_PRINT(_num, _field, _end) \
265 pos += scnprintf(buf + pos, bufsz - pos, \
266 "\t%s: %d%s", \
267 #_field, \
268 BT_MBOX_MSG(notif, _num, _field), \
269 true ? "\n" : ", ");
270
271static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
272 size_t count, loff_t *ppos)
273{
274 struct iwl_mvm *mvm = file->private_data;
275 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
276 char *buf;
277 int ret, pos = 0, bufsz = sizeof(char) * 1024;
278
279 buf = kmalloc(bufsz, GFP_KERNEL);
280 if (!buf)
281 return -ENOMEM;
282
283 mutex_lock(&mvm->mutex);
284
285 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
286
287 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
288 BT_MBOX_PRINT(0, LE_PROF1, false);
289 BT_MBOX_PRINT(0, LE_PROF2, false);
290 BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
291 BT_MBOX_PRINT(0, CHL_SEQ_N, false);
292 BT_MBOX_PRINT(0, INBAND_S, false);
293 BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
294 BT_MBOX_PRINT(0, LE_SCAN, false);
295 BT_MBOX_PRINT(0, LE_ADV, false);
296 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
297 BT_MBOX_PRINT(0, OPEN_CON_1, true);
298
299 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
300
301 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
302 BT_MBOX_PRINT(1, IP_SR, false);
303 BT_MBOX_PRINT(1, LE_MSTR, false);
304 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
305 BT_MBOX_PRINT(1, MSG_TYPE, false);
306 BT_MBOX_PRINT(1, SSN, true);
307
308 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
309
310 BT_MBOX_PRINT(2, SNIFF_ACT, false);
311 BT_MBOX_PRINT(2, PAG, false);
312 BT_MBOX_PRINT(2, INQUIRY, false);
313 BT_MBOX_PRINT(2, CONN, false);
314 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
315 BT_MBOX_PRINT(2, DISC, false);
316 BT_MBOX_PRINT(2, SCO_TX_ACT, false);
317 BT_MBOX_PRINT(2, SCO_RX_ACT, false);
318 BT_MBOX_PRINT(2, ESCO_RE_TX, false);
319 BT_MBOX_PRINT(2, SCO_DURATION, true);
320
321 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
322
323 BT_MBOX_PRINT(3, SCO_STATE, false);
324 BT_MBOX_PRINT(3, SNIFF_STATE, false);
325 BT_MBOX_PRINT(3, A2DP_STATE, false);
326 BT_MBOX_PRINT(3, ACL_STATE, false);
327 BT_MBOX_PRINT(3, MSTR_STATE, false);
328 BT_MBOX_PRINT(3, OBX_STATE, false);
329 BT_MBOX_PRINT(3, OPEN_CON_2, false);
330 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
331 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
332 BT_MBOX_PRINT(3, INBAND_P, false);
333 BT_MBOX_PRINT(3, MSG_TYPE_2, false);
334 BT_MBOX_PRINT(3, SSN_2, false);
335 BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
336
337 pos += scnprintf(buf+pos, bufsz-pos, "bt_status = %d\n",
2de13cae 338 notif->bt_status);
10942342 339 pos += scnprintf(buf+pos, bufsz-pos, "bt_open_conn = %d\n",
2de13cae 340 notif->bt_open_conn);
10942342 341 pos += scnprintf(buf+pos, bufsz-pos, "bt_traffic_load = %d\n",
2de13cae 342 notif->bt_traffic_load);
10942342 343 pos += scnprintf(buf+pos, bufsz-pos, "bt_agg_traffic_load = %d\n",
2de13cae 344 notif->bt_agg_traffic_load);
10942342 345 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
2de13cae
EG		 346 notif->bt_ci_compliance);
347 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
348 le32_to_cpu(notif->primary_ch_lut));
349 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
350 le32_to_cpu(notif->secondary_ch_lut));
351 pos += scnprintf(buf+pos, bufsz-pos, "bt_activity_grading = %d\n",
352 le32_to_cpu(notif->bt_activity_grading));
10942342
EG		 353
354 mutex_unlock(&mvm->mutex);
355
356 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
357 kfree(buf);
358
359 return ret;
360}
361#undef BT_MBOX_PRINT
362
2de13cae
EG		 363static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
364 size_t count, loff_t *ppos)
365{
366 struct iwl_mvm *mvm = file->private_data;
367 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
368 char buf[256];
369 int bufsz = sizeof(buf);
370 int pos = 0;
371
372 mutex_lock(&mvm->mutex);
373
374 pos += scnprintf(buf+pos, bufsz-pos, "Channel inhibition CMD\n");
375 pos += scnprintf(buf+pos, bufsz-pos,
376 "\tPrimary Channel Bitmap 0x%016llx Fat: %d\n",
377 le64_to_cpu(cmd->bt_primary_ci),
378 !!cmd->co_run_bw_primary);
379 pos += scnprintf(buf+pos, bufsz-pos,
380 "\tSecondary Channel Bitmap 0x%016llx Fat: %d\n",
381 le64_to_cpu(cmd->bt_secondary_ci),
382 !!cmd->co_run_bw_secondary);
383
384 pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n");
385 pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill Mask 0x%08x\n",
386 iwl_bt_ack_kill_msk[mvm->bt_kill_msk]);
387 pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill Mask 0x%08x\n",
388 iwl_bt_cts_kill_msk[mvm->bt_kill_msk]);
389
390 mutex_unlock(&mvm->mutex);
391
392 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
393}
394
3848ab66
MG		 395#define PRINT_STATS_LE32(_str, _val) \
396 pos += scnprintf(buf + pos, bufsz - pos, \
397 fmt_table, _str, \
398 le32_to_cpu(_val))
399
400static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
401 char __user *user_buf, size_t count,
402 loff_t *ppos)
403{
404 struct iwl_mvm *mvm = file->private_data;
405 static const char *fmt_table = "\t%-30s %10u\n";
406 static const char *fmt_header = "%-32s\n";
407 int pos = 0;
408 char *buf;
409 int ret;
3f617281
LC		 410 /* 43 is the size of each data line, 33 is the size of each header */
411 size_t bufsz =
412 ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) +
413 (4 * 33) + 1;
414
3848ab66
MG		 415 struct mvm_statistics_rx_phy *ofdm;
416 struct mvm_statistics_rx_phy *cck;
417 struct mvm_statistics_rx_non_phy *general;
418 struct mvm_statistics_rx_ht_phy *ht;
419
420 buf = kzalloc(bufsz, GFP_KERNEL);
421 if (!buf)
422 return -ENOMEM;
423
424 mutex_lock(&mvm->mutex);
425
426 ofdm = &mvm->rx_stats.ofdm;
427 cck = &mvm->rx_stats.cck;
428 general = &mvm->rx_stats.general;
429 ht = &mvm->rx_stats.ofdm_ht;
430
431 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
432 "Statistics_Rx - OFDM");
433 PRINT_STATS_LE32("ina_cnt", ofdm->ina_cnt);
434 PRINT_STATS_LE32("fina_cnt", ofdm->fina_cnt);
435 PRINT_STATS_LE32("plcp_err", ofdm->plcp_err);
436 PRINT_STATS_LE32("crc32_err", ofdm->crc32_err);
437 PRINT_STATS_LE32("overrun_err", ofdm->overrun_err);
438 PRINT_STATS_LE32("early_overrun_err", ofdm->early_overrun_err);
439 PRINT_STATS_LE32("crc32_good", ofdm->crc32_good);
440 PRINT_STATS_LE32("false_alarm_cnt", ofdm->false_alarm_cnt);
441 PRINT_STATS_LE32("fina_sync_err_cnt", ofdm->fina_sync_err_cnt);
442 PRINT_STATS_LE32("sfd_timeout", ofdm->sfd_timeout);
443 PRINT_STATS_LE32("fina_timeout", ofdm->fina_timeout);
444 PRINT_STATS_LE32("unresponded_rts", ofdm->unresponded_rts);
445 PRINT_STATS_LE32("rxe_frame_lmt_overrun",
446 ofdm->rxe_frame_limit_overrun);
447 PRINT_STATS_LE32("sent_ack_cnt", ofdm->sent_ack_cnt);
448 PRINT_STATS_LE32("sent_cts_cnt", ofdm->sent_cts_cnt);
449 PRINT_STATS_LE32("sent_ba_rsp_cnt", ofdm->sent_ba_rsp_cnt);
450 PRINT_STATS_LE32("dsp_self_kill", ofdm->dsp_self_kill);
451 PRINT_STATS_LE32("mh_format_err", ofdm->mh_format_err);
452 PRINT_STATS_LE32("re_acq_main_rssi_sum", ofdm->re_acq_main_rssi_sum);
453 PRINT_STATS_LE32("reserved", ofdm->reserved);
454
455 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
456 "Statistics_Rx - CCK");
457 PRINT_STATS_LE32("ina_cnt", cck->ina_cnt);
458 PRINT_STATS_LE32("fina_cnt", cck->fina_cnt);
459 PRINT_STATS_LE32("plcp_err", cck->plcp_err);
460 PRINT_STATS_LE32("crc32_err", cck->crc32_err);
461 PRINT_STATS_LE32("overrun_err", cck->overrun_err);
462 PRINT_STATS_LE32("early_overrun_err", cck->early_overrun_err);
463 PRINT_STATS_LE32("crc32_good", cck->crc32_good);
464 PRINT_STATS_LE32("false_alarm_cnt", cck->false_alarm_cnt);
465 PRINT_STATS_LE32("fina_sync_err_cnt", cck->fina_sync_err_cnt);
466 PRINT_STATS_LE32("sfd_timeout", cck->sfd_timeout);
467 PRINT_STATS_LE32("fina_timeout", cck->fina_timeout);
468 PRINT_STATS_LE32("unresponded_rts", cck->unresponded_rts);
469 PRINT_STATS_LE32("rxe_frame_lmt_overrun",
470 cck->rxe_frame_limit_overrun);
471 PRINT_STATS_LE32("sent_ack_cnt", cck->sent_ack_cnt);
472 PRINT_STATS_LE32("sent_cts_cnt", cck->sent_cts_cnt);
473 PRINT_STATS_LE32("sent_ba_rsp_cnt", cck->sent_ba_rsp_cnt);
474 PRINT_STATS_LE32("dsp_self_kill", cck->dsp_self_kill);
475 PRINT_STATS_LE32("mh_format_err", cck->mh_format_err);
476 PRINT_STATS_LE32("re_acq_main_rssi_sum", cck->re_acq_main_rssi_sum);
477 PRINT_STATS_LE32("reserved", cck->reserved);
478
479 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
480 "Statistics_Rx - GENERAL");
481 PRINT_STATS_LE32("bogus_cts", general->bogus_cts);
482 PRINT_STATS_LE32("bogus_ack", general->bogus_ack);
483 PRINT_STATS_LE32("non_bssid_frames", general->non_bssid_frames);
484 PRINT_STATS_LE32("filtered_frames", general->filtered_frames);
485 PRINT_STATS_LE32("non_channel_beacons", general->non_channel_beacons);
486 PRINT_STATS_LE32("channel_beacons", general->channel_beacons);
487 PRINT_STATS_LE32("num_missed_bcon", general->num_missed_bcon);
488 PRINT_STATS_LE32("adc_rx_saturation_time",
489 general->adc_rx_saturation_time);
490 PRINT_STATS_LE32("ina_detection_search_time",
491 general->ina_detection_search_time);
492 PRINT_STATS_LE32("beacon_silence_rssi_a",
493 general->beacon_silence_rssi_a);
494 PRINT_STATS_LE32("beacon_silence_rssi_b",
495 general->beacon_silence_rssi_b);
496 PRINT_STATS_LE32("beacon_silence_rssi_c",
497 general->beacon_silence_rssi_c);
498 PRINT_STATS_LE32("interference_data_flag",
499 general->interference_data_flag);
500 PRINT_STATS_LE32("channel_load", general->channel_load);
501 PRINT_STATS_LE32("dsp_false_alarms", general->dsp_false_alarms);
502 PRINT_STATS_LE32("beacon_rssi_a", general->beacon_rssi_a);
503 PRINT_STATS_LE32("beacon_rssi_b", general->beacon_rssi_b);
504 PRINT_STATS_LE32("beacon_rssi_c", general->beacon_rssi_c);
505 PRINT_STATS_LE32("beacon_energy_a", general->beacon_energy_a);
506 PRINT_STATS_LE32("beacon_energy_b", general->beacon_energy_b);
507 PRINT_STATS_LE32("beacon_energy_c", general->beacon_energy_c);
508 PRINT_STATS_LE32("num_bt_kills", general->num_bt_kills);
3f617281 509 PRINT_STATS_LE32("mac_id", general->mac_id);
3848ab66
MG		 510 PRINT_STATS_LE32("directed_data_mpdu", general->directed_data_mpdu);
511
512 pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
513 "Statistics_Rx - HT");
514 PRINT_STATS_LE32("plcp_err", ht->plcp_err);
515 PRINT_STATS_LE32("overrun_err", ht->overrun_err);
516 PRINT_STATS_LE32("early_overrun_err", ht->early_overrun_err);
517 PRINT_STATS_LE32("crc32_good", ht->crc32_good);
518 PRINT_STATS_LE32("crc32_err", ht->crc32_err);
519 PRINT_STATS_LE32("mh_format_err", ht->mh_format_err);
520 PRINT_STATS_LE32("agg_crc32_good", ht->agg_crc32_good);
521 PRINT_STATS_LE32("agg_mpdu_cnt", ht->agg_mpdu_cnt);
522 PRINT_STATS_LE32("agg_cnt", ht->agg_cnt);
523 PRINT_STATS_LE32("unsupport_mcs", ht->unsupport_mcs);
524
525 mutex_unlock(&mvm->mutex);
526
527 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
528 kfree(buf);
529
530 return ret;
531}
532#undef PRINT_STAT_LE32
533
1fa3f57a 534static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
490953ac
EG		 535 size_t count, loff_t *ppos)
536{
490953ac
EG		 537 int ret;
538
490953ac
EG		 539 mutex_lock(&mvm->mutex);
540
291aa7c4
EH		 541 /* allow one more restart that we're provoking here */
542 if (mvm->restart_fw >= 0)
543 mvm->restart_fw++;
544
490953ac
EG		 545 /* take the return value to make compiler happy - it will fail anyway */
546 ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, CMD_SYNC, 0, NULL);
547
548 mutex_unlock(&mvm->mutex);
549
490953ac
EG		 550 return count;
551}
552
1fa3f57a 553static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
119663c3
AB		 554 size_t count, loff_t *ppos)
555{
119663c3
AB		 556 iwl_write_prph(mvm->trans, DEVICE_SET_NMI_REG, 1);
557
558 return count;
559}
560
91b05d10
OG		 561static ssize_t
562iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
563 char __user *user_buf,
564 size_t count, loff_t *ppos)
565{
566 struct iwl_mvm *mvm = file->private_data;
567 int pos = 0;
568 char buf[32];
569 const size_t bufsz = sizeof(buf);
570
571 /* print which antennas were set for the scan command by the user */
572 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
573 if (mvm->scan_rx_ant & ANT_A)
574 pos += scnprintf(buf + pos, bufsz - pos, "A");
575 if (mvm->scan_rx_ant & ANT_B)
576 pos += scnprintf(buf + pos, bufsz - pos, "B");
577 if (mvm->scan_rx_ant & ANT_C)
578 pos += scnprintf(buf + pos, bufsz - pos, "C");
579 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
580
581 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
582}
583
584static ssize_t
1fa3f57a 585iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
91b05d10
OG		 586 size_t count, loff_t *ppos)
587{
91b05d10
OG		 588 u8 scan_rx_ant;
589
91b05d10
OG		 590 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
591 return -EINVAL;
592 if (scan_rx_ant > ANT_ABC)
593 return -EINVAL;
594 if (scan_rx_ant & ~iwl_fw_valid_rx_ant(mvm->fw))
595 return -EINVAL;
596
91b05d10
OG		 597 mvm->scan_rx_ant = scan_rx_ant;
598
599 return count;
600}
601
afc66bb7 602#ifdef CONFIG_PM_SLEEP
1fa3f57a 603static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf,
afc66bb7
JB		 604 size_t count, loff_t *ppos)
605{
afc66bb7
JB		 606 int store;
607
afc66bb7
JB		 608 if (sscanf(buf, "%d", &store) != 1)
609 return -EINVAL;
610
611 mvm->store_d3_resume_sram = store;
612
613 return count;
614}
615
616static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
617 size_t count, loff_t *ppos)
618{
619 struct iwl_mvm *mvm = file->private_data;
620 const struct fw_img *img;
621 int ofs, len, pos = 0;
622 size_t bufsz, ret;
623 char *buf;
624 u8 *ptr = mvm->d3_resume_sram;
625
626 img = &mvm->fw->img[IWL_UCODE_WOWLAN];
627 len = img->sec[IWL_UCODE_SECTION_DATA].len;
628
629 bufsz = len * 4 + 256;
630 buf = kzalloc(bufsz, GFP_KERNEL);
631 if (!buf)
632 return -ENOMEM;
633
634 pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n",
635 mvm->store_d3_resume_sram ? "en" : "dis");
636
637 if (ptr) {
638 for (ofs = 0; ofs < len; ofs += 16) {
639 pos += scnprintf(buf + pos, bufsz - pos,
640 "0x%.4x ", ofs);
641 hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos,
642 bufsz - pos, false);
643 pos += strlen(buf + pos);
644 if (bufsz - pos > 0)
645 buf[pos++] = '\n';
646 }
647 } else {
648 pos += scnprintf(buf + pos, bufsz - pos,
649 "(no data captured)\n");
650 }
651
652 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
653
654 kfree(buf);
655
656 return ret;
657}
658#endif
659
1fa3f57a
JB		 660#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
661 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
662#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
663 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
8ca151b5
JB		 664#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) do { \
665 if (!debugfs_create_file(#name, mode, parent, mvm, \
666 &iwl_dbgfs_##name##_ops)) \
667 goto err; \
668 } while (0)
669
8ca151b5 670/* Device wide debugfs entries */
1fa3f57a
JB		 671MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
672MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
673MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
8ca151b5 674MVM_DEBUGFS_READ_FILE_OPS(stations);
10942342 675MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
2de13cae 676MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
1fa3f57a 677MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
3848ab66 678MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
1fa3f57a
JB		 679MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
680MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
681MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
91b05d10 682
afc66bb7 683#ifdef CONFIG_PM_SLEEP
1fa3f57a 684MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8);
afc66bb7 685#endif
8ca151b5
JB		 686
687int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
688{
689 char buf[100];
690
691 mvm->debugfs_dir = dbgfs_dir;
692
693 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
694 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
695 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
696 MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
10942342 697 MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
2de13cae 698 MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR);
64b928c4
AB		 699 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD)
700 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir,
701 S_IRUSR | S_IWUSR);
3848ab66 702 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
490953ac 703 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
119663c3 704 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
91b05d10
OG		 705 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
706 S_IWUSR | S_IRUSR);
afc66bb7
JB		 707#ifdef CONFIG_PM_SLEEP
708 MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
debff618 709 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);
b0114714
JB		 710 if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
711 mvm->debugfs_dir, &mvm->d3_wake_sysassert))
712 goto err;
afc66bb7 713#endif
8ca151b5 714
086f7368
EG		 715 if (!debugfs_create_blob("nvm_hw", S_IRUSR,
716 mvm->debugfs_dir, &mvm->nvm_hw_blob))
717 goto err;
718 if (!debugfs_create_blob("nvm_sw", S_IRUSR,
719 mvm->debugfs_dir, &mvm->nvm_sw_blob))
720 goto err;
721 if (!debugfs_create_blob("nvm_calib", S_IRUSR,
722 mvm->debugfs_dir, &mvm->nvm_calib_blob))
723 goto err;
724 if (!debugfs_create_blob("nvm_prod", S_IRUSR,
725 mvm->debugfs_dir, &mvm->nvm_prod_blob))
726 goto err;
727
8ca151b5
JB		 728 /*
729 * Create a symlink with mac80211. It will be removed when mac80211
730 * exists (before the opmode exists which removes the target.)
731 */
732 snprintf(buf, 100, "../../%s/%s",
733 dbgfs_dir->d_parent->d_parent->d_name.name,
734 dbgfs_dir->d_parent->d_name.name);
735 if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf))
736 goto err;
737
738 return 0;
739err:
740 IWL_ERR(mvm, "Can't create the mvm debugfs directory\n");
741 return -ENOMEM;
742}
Linux kernel - Deliverables
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