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1/******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29#include "iwl-3945-debugfs.h"
30
31
32static int iwl3945_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
33{
34 int p = 0;
35
36 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n",
37 le32_to_cpu(priv->_3945.statistics.flag));
38 if (le32_to_cpu(priv->_3945.statistics.flag) &
39 UCODE_STATISTICS_CLEAR_MSK)
40 p += scnprintf(buf + p, bufsz - p,
41 "\tStatistics have been cleared\n");
42 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
43 (le32_to_cpu(priv->_3945.statistics.flag) &
44 UCODE_STATISTICS_FREQUENCY_MSK)
45 ? "2.4 GHz" : "5.2 GHz");
46 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
47 (le32_to_cpu(priv->_3945.statistics.flag) &
48 UCODE_STATISTICS_NARROW_BAND_MSK)
49 ? "enabled" : "disabled");
50 return p;
51}
52
53ssize_t iwl3945_ucode_rx_stats_read(struct file *file,
54 char __user *user_buf,
55 size_t count, loff_t *ppos)
56{
57 struct iwl_priv *priv = file->private_data;
58 int pos = 0;
59 char *buf;
60 int bufsz = sizeof(struct iwl39_statistics_rx_phy) * 40 +
61 sizeof(struct iwl39_statistics_rx_non_phy) * 40 + 400;
62 ssize_t ret;
63 struct iwl39_statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm,
64 *max_ofdm;
65 struct iwl39_statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
66 struct iwl39_statistics_rx_non_phy *general, *accum_general;
67 struct iwl39_statistics_rx_non_phy *delta_general, *max_general;
68
69 if (!iwl_legacy_is_alive(priv))
70 return -EAGAIN;
71
72 buf = kzalloc(bufsz, GFP_KERNEL);
73 if (!buf) {
74 IWL_ERR(priv, "Can not allocate Buffer\n");
75 return -ENOMEM;
76 }
77
78 /*
79 * The statistic information display here is based on
80 * the last statistics notification from uCode
81 * might not reflect the current uCode activity
82 */
83 ofdm = &priv->_3945.statistics.rx.ofdm;
84 cck = &priv->_3945.statistics.rx.cck;
85 general = &priv->_3945.statistics.rx.general;
86 accum_ofdm = &priv->_3945.accum_statistics.rx.ofdm;
87 accum_cck = &priv->_3945.accum_statistics.rx.cck;
88 accum_general = &priv->_3945.accum_statistics.rx.general;
89 delta_ofdm = &priv->_3945.delta_statistics.rx.ofdm;
90 delta_cck = &priv->_3945.delta_statistics.rx.cck;
91 delta_general = &priv->_3945.delta_statistics.rx.general;
92 max_ofdm = &priv->_3945.max_delta.rx.ofdm;
93 max_cck = &priv->_3945.max_delta.rx.cck;
94 max_general = &priv->_3945.max_delta.rx.general;
95
96 pos += iwl3945_statistics_flag(priv, buf, bufsz);
97 pos += scnprintf(buf + pos, bufsz - pos, "%-32s current"
98 "acumulative delta max\n",
99 "Statistics_Rx - OFDM:");
100 pos += scnprintf(buf + pos, bufsz - pos,
101 " %-30s %10u %10u %10u %10u\n",
102 "ina_cnt:", le32_to_cpu(ofdm->ina_cnt),
103 accum_ofdm->ina_cnt,
104 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
105 pos += scnprintf(buf + pos, bufsz - pos,
106 " %-30s %10u %10u %10u %10u\n",
107 "fina_cnt:",
108 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
109 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
110 pos += scnprintf(buf + pos, bufsz - pos,
111 " %-30s %10u %10u %10u %10u\n", "plcp_err:",
112 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
113 delta_ofdm->plcp_err, max_ofdm->plcp_err);
114 pos += scnprintf(buf + pos, bufsz - pos,
115 " %-30s %10u %10u %10u %10u\n", "crc32_err:",
116 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
117 delta_ofdm->crc32_err, max_ofdm->crc32_err);
118 pos += scnprintf(buf + pos, bufsz - pos,
119 " %-30s %10u %10u %10u %10u\n", "overrun_err:",
120 le32_to_cpu(ofdm->overrun_err),
121 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
122 max_ofdm->overrun_err);
123 pos += scnprintf(buf + pos, bufsz - pos,
124 " %-30s %10u %10u %10u %10u\n",
125 "early_overrun_err:",
126 le32_to_cpu(ofdm->early_overrun_err),
127 accum_ofdm->early_overrun_err,
128 delta_ofdm->early_overrun_err,
129 max_ofdm->early_overrun_err);
130 pos += scnprintf(buf + pos, bufsz - pos,
131 " %-30s %10u %10u %10u %10u\n",
132 "crc32_good:", le32_to_cpu(ofdm->crc32_good),
133 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
134 max_ofdm->crc32_good);
135 pos += scnprintf(buf + pos, bufsz - pos,
136 " %-30s %10u %10u %10u %10u\n", "false_alarm_cnt:",
137 le32_to_cpu(ofdm->false_alarm_cnt),
138 accum_ofdm->false_alarm_cnt,
139 delta_ofdm->false_alarm_cnt,
140 max_ofdm->false_alarm_cnt);
141 pos += scnprintf(buf + pos, bufsz - pos,
142 " %-30s %10u %10u %10u %10u\n",
143 "fina_sync_err_cnt:",
144 le32_to_cpu(ofdm->fina_sync_err_cnt),
145 accum_ofdm->fina_sync_err_cnt,
146 delta_ofdm->fina_sync_err_cnt,
147 max_ofdm->fina_sync_err_cnt);
148 pos += scnprintf(buf + pos, bufsz - pos,
149 " %-30s %10u %10u %10u %10u\n",
150 "sfd_timeout:",
151 le32_to_cpu(ofdm->sfd_timeout),
152 accum_ofdm->sfd_timeout,
153 delta_ofdm->sfd_timeout,
154 max_ofdm->sfd_timeout);
155 pos += scnprintf(buf + pos, bufsz - pos,
156 " %-30s %10u %10u %10u %10u\n",
157 "fina_timeout:",
158 le32_to_cpu(ofdm->fina_timeout),
159 accum_ofdm->fina_timeout,
160 delta_ofdm->fina_timeout,
161 max_ofdm->fina_timeout);
162 pos += scnprintf(buf + pos, bufsz - pos,
163 " %-30s %10u %10u %10u %10u\n",
164 "unresponded_rts:",
165 le32_to_cpu(ofdm->unresponded_rts),
166 accum_ofdm->unresponded_rts,
167 delta_ofdm->unresponded_rts,
168 max_ofdm->unresponded_rts);
169 pos += scnprintf(buf + pos, bufsz - pos,
170 " %-30s %10u %10u %10u %10u\n",
171 "rxe_frame_lmt_ovrun:",
172 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
173 accum_ofdm->rxe_frame_limit_overrun,
174 delta_ofdm->rxe_frame_limit_overrun,
175 max_ofdm->rxe_frame_limit_overrun);
176 pos += scnprintf(buf + pos, bufsz - pos,
177 " %-30s %10u %10u %10u %10u\n",
178 "sent_ack_cnt:",
179 le32_to_cpu(ofdm->sent_ack_cnt),
180 accum_ofdm->sent_ack_cnt,
181 delta_ofdm->sent_ack_cnt,
182 max_ofdm->sent_ack_cnt);
183 pos += scnprintf(buf + pos, bufsz - pos,
184 " %-30s %10u %10u %10u %10u\n",
185 "sent_cts_cnt:",
186 le32_to_cpu(ofdm->sent_cts_cnt),
187 accum_ofdm->sent_cts_cnt,
188 delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
189
190 pos += scnprintf(buf + pos, bufsz - pos, "%-32s current"
191 "acumulative delta max\n",
192 "Statistics_Rx - CCK:");
193 pos += scnprintf(buf + pos, bufsz - pos,
194 " %-30s %10u %10u %10u %10u\n",
195 "ina_cnt:",
196 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
197 delta_cck->ina_cnt, max_cck->ina_cnt);
198 pos += scnprintf(buf + pos, bufsz - pos,
199 " %-30s %10u %10u %10u %10u\n",
200 "fina_cnt:",
201 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
202 delta_cck->fina_cnt, max_cck->fina_cnt);
203 pos += scnprintf(buf + pos, bufsz - pos,
204 " %-30s %10u %10u %10u %10u\n",
205 "plcp_err:",
206 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
207 delta_cck->plcp_err, max_cck->plcp_err);
208 pos += scnprintf(buf + pos, bufsz - pos,
209 " %-30s %10u %10u %10u %10u\n",
210 "crc32_err:",
211 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
212 delta_cck->crc32_err, max_cck->crc32_err);
213 pos += scnprintf(buf + pos, bufsz - pos,
214 " %-30s %10u %10u %10u %10u\n",
215 "overrun_err:",
216 le32_to_cpu(cck->overrun_err),
217 accum_cck->overrun_err,
218 delta_cck->overrun_err, max_cck->overrun_err);
219 pos += scnprintf(buf + pos, bufsz - pos,
220 " %-30s %10u %10u %10u %10u\n",
221 "early_overrun_err:",
222 le32_to_cpu(cck->early_overrun_err),
223 accum_cck->early_overrun_err,
224 delta_cck->early_overrun_err,
225 max_cck->early_overrun_err);
226 pos += scnprintf(buf + pos, bufsz - pos,
227 " %-30s %10u %10u %10u %10u\n",
228 "crc32_good:",
229 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
230 delta_cck->crc32_good,
231 max_cck->crc32_good);
232 pos += scnprintf(buf + pos, bufsz - pos,
233 " %-30s %10u %10u %10u %10u\n",
234 "false_alarm_cnt:",
235 le32_to_cpu(cck->false_alarm_cnt),
236 accum_cck->false_alarm_cnt,
237 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
238 pos += scnprintf(buf + pos, bufsz - pos,
239 " %-30s %10u %10u %10u %10u\n",
240 "fina_sync_err_cnt:",
241 le32_to_cpu(cck->fina_sync_err_cnt),
242 accum_cck->fina_sync_err_cnt,
243 delta_cck->fina_sync_err_cnt,
244 max_cck->fina_sync_err_cnt);
245 pos += scnprintf(buf + pos, bufsz - pos,
246 " %-30s %10u %10u %10u %10u\n",
247 "sfd_timeout:",
248 le32_to_cpu(cck->sfd_timeout),
249 accum_cck->sfd_timeout,
250 delta_cck->sfd_timeout, max_cck->sfd_timeout);
251 pos += scnprintf(buf + pos, bufsz - pos,
252 " %-30s %10u %10u %10u %10u\n",
253 "fina_timeout:",
254 le32_to_cpu(cck->fina_timeout),
255 accum_cck->fina_timeout,
256 delta_cck->fina_timeout, max_cck->fina_timeout);
257 pos += scnprintf(buf + pos, bufsz - pos,
258 " %-30s %10u %10u %10u %10u\n",
259 "unresponded_rts:",
260 le32_to_cpu(cck->unresponded_rts),
261 accum_cck->unresponded_rts,
262 delta_cck->unresponded_rts,
263 max_cck->unresponded_rts);
264 pos += scnprintf(buf + pos, bufsz - pos,
265 " %-30s %10u %10u %10u %10u\n",
266 "rxe_frame_lmt_ovrun:",
267 le32_to_cpu(cck->rxe_frame_limit_overrun),
268 accum_cck->rxe_frame_limit_overrun,
269 delta_cck->rxe_frame_limit_overrun,
270 max_cck->rxe_frame_limit_overrun);
271 pos += scnprintf(buf + pos, bufsz - pos,
272 " %-30s %10u %10u %10u %10u\n",
273 "sent_ack_cnt:",
274 le32_to_cpu(cck->sent_ack_cnt),
275 accum_cck->sent_ack_cnt,
276 delta_cck->sent_ack_cnt,
277 max_cck->sent_ack_cnt);
278 pos += scnprintf(buf + pos, bufsz - pos,
279 " %-30s %10u %10u %10u %10u\n",
280 "sent_cts_cnt:",
281 le32_to_cpu(cck->sent_cts_cnt),
282 accum_cck->sent_cts_cnt,
283 delta_cck->sent_cts_cnt,
284 max_cck->sent_cts_cnt);
285
286 pos += scnprintf(buf + pos, bufsz - pos, "%-32s current"
287 "acumulative delta max\n",
288 "Statistics_Rx - GENERAL:");
289 pos += scnprintf(buf + pos, bufsz - pos,
290 " %-30s %10u %10u %10u %10u\n",
291 "bogus_cts:",
292 le32_to_cpu(general->bogus_cts),
293 accum_general->bogus_cts,
294 delta_general->bogus_cts, max_general->bogus_cts);
295 pos += scnprintf(buf + pos, bufsz - pos,
296 " %-30s %10u %10u %10u %10u\n",
297 "bogus_ack:",
298 le32_to_cpu(general->bogus_ack),
299 accum_general->bogus_ack,
300 delta_general->bogus_ack, max_general->bogus_ack);
301 pos += scnprintf(buf + pos, bufsz - pos,
302 " %-30s %10u %10u %10u %10u\n",
303 "non_bssid_frames:",
304 le32_to_cpu(general->non_bssid_frames),
305 accum_general->non_bssid_frames,
306 delta_general->non_bssid_frames,
307 max_general->non_bssid_frames);
308 pos += scnprintf(buf + pos, bufsz - pos,
309 " %-30s %10u %10u %10u %10u\n",
310 "filtered_frames:",
311 le32_to_cpu(general->filtered_frames),
312 accum_general->filtered_frames,
313 delta_general->filtered_frames,
314 max_general->filtered_frames);
315 pos += scnprintf(buf + pos, bufsz - pos,
316 " %-30s %10u %10u %10u %10u\n",
317 "non_channel_beacons:",
318 le32_to_cpu(general->non_channel_beacons),
319 accum_general->non_channel_beacons,
320 delta_general->non_channel_beacons,
321 max_general->non_channel_beacons);
322
323 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
324 kfree(buf);
325 return ret;
326}
327
328ssize_t iwl3945_ucode_tx_stats_read(struct file *file,
329 char __user *user_buf,
330 size_t count, loff_t *ppos)
331{
332 struct iwl_priv *priv = file->private_data;
333 int pos = 0;
334 char *buf;
335 int bufsz = (sizeof(struct iwl39_statistics_tx) * 48) + 250;
336 ssize_t ret;
337 struct iwl39_statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
338
339 if (!iwl_legacy_is_alive(priv))
340 return -EAGAIN;
341
342 buf = kzalloc(bufsz, GFP_KERNEL);
343 if (!buf) {
344 IWL_ERR(priv, "Can not allocate Buffer\n");
345 return -ENOMEM;
346 }
347
348 /*
349 * The statistic information display here is based on
350 * the last statistics notification from uCode
351 * might not reflect the current uCode activity
352 */
353 tx = &priv->_3945.statistics.tx;
354 accum_tx = &priv->_3945.accum_statistics.tx;
355 delta_tx = &priv->_3945.delta_statistics.tx;
356 max_tx = &priv->_3945.max_delta.tx;
357 pos += iwl3945_statistics_flag(priv, buf, bufsz);
358 pos += scnprintf(buf + pos, bufsz - pos, "%-32s current"
359 "acumulative delta max\n",
360 "Statistics_Tx:");
361 pos += scnprintf(buf + pos, bufsz - pos,
362 " %-30s %10u %10u %10u %10u\n",
363 "preamble:",
364 le32_to_cpu(tx->preamble_cnt),
365 accum_tx->preamble_cnt,
366 delta_tx->preamble_cnt, max_tx->preamble_cnt);
367 pos += scnprintf(buf + pos, bufsz - pos,
368 " %-30s %10u %10u %10u %10u\n",
369 "rx_detected_cnt:",
370 le32_to_cpu(tx->rx_detected_cnt),
371 accum_tx->rx_detected_cnt,
372 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
373 pos += scnprintf(buf + pos, bufsz - pos,
374 " %-30s %10u %10u %10u %10u\n",
375 "bt_prio_defer_cnt:",
376 le32_to_cpu(tx->bt_prio_defer_cnt),
377 accum_tx->bt_prio_defer_cnt,
378 delta_tx->bt_prio_defer_cnt,
379 max_tx->bt_prio_defer_cnt);
380 pos += scnprintf(buf + pos, bufsz - pos,
381 " %-30s %10u %10u %10u %10u\n",
382 "bt_prio_kill_cnt:",
383 le32_to_cpu(tx->bt_prio_kill_cnt),
384 accum_tx->bt_prio_kill_cnt,
385 delta_tx->bt_prio_kill_cnt,
386 max_tx->bt_prio_kill_cnt);
387 pos += scnprintf(buf + pos, bufsz - pos,
388 " %-30s %10u %10u %10u %10u\n",
389 "few_bytes_cnt:",
390 le32_to_cpu(tx->few_bytes_cnt),
391 accum_tx->few_bytes_cnt,
392 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
393 pos += scnprintf(buf + pos, bufsz - pos,
394 " %-30s %10u %10u %10u %10u\n",
395 "cts_timeout:",
396 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
397 delta_tx->cts_timeout, max_tx->cts_timeout);
398 pos += scnprintf(buf + pos, bufsz - pos,
399 " %-30s %10u %10u %10u %10u\n",
400 "ack_timeout:",
401 le32_to_cpu(tx->ack_timeout),
402 accum_tx->ack_timeout,
403 delta_tx->ack_timeout, max_tx->ack_timeout);
404 pos += scnprintf(buf + pos, bufsz - pos,
405 " %-30s %10u %10u %10u %10u\n",
406 "expected_ack_cnt:",
407 le32_to_cpu(tx->expected_ack_cnt),
408 accum_tx->expected_ack_cnt,
409 delta_tx->expected_ack_cnt,
410 max_tx->expected_ack_cnt);
411 pos += scnprintf(buf + pos, bufsz - pos,
412 " %-30s %10u %10u %10u %10u\n",
413 "actual_ack_cnt:",
414 le32_to_cpu(tx->actual_ack_cnt),
415 accum_tx->actual_ack_cnt,
416 delta_tx->actual_ack_cnt,
417 max_tx->actual_ack_cnt);
418
419 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
420 kfree(buf);
421 return ret;
422}
423
424ssize_t iwl3945_ucode_general_stats_read(struct file *file,
425 char __user *user_buf,
426 size_t count, loff_t *ppos)
427{
428 struct iwl_priv *priv = file->private_data;
429 int pos = 0;
430 char *buf;
431 int bufsz = sizeof(struct iwl39_statistics_general) * 10 + 300;
432 ssize_t ret;
433 struct iwl39_statistics_general *general, *accum_general;
434 struct iwl39_statistics_general *delta_general, *max_general;
435 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
436 struct iwl39_statistics_div *div, *accum_div, *delta_div, *max_div;
437
438 if (!iwl_legacy_is_alive(priv))
439 return -EAGAIN;
440
441 buf = kzalloc(bufsz, GFP_KERNEL);
442 if (!buf) {
443 IWL_ERR(priv, "Can not allocate Buffer\n");
444 return -ENOMEM;
445 }
446
447 /*
448 * The statistic information display here is based on
449 * the last statistics notification from uCode
450 * might not reflect the current uCode activity
451 */
452 general = &priv->_3945.statistics.general;
453 dbg = &priv->_3945.statistics.general.dbg;
454 div = &priv->_3945.statistics.general.div;
455 accum_general = &priv->_3945.accum_statistics.general;
456 delta_general = &priv->_3945.delta_statistics.general;
457 max_general = &priv->_3945.max_delta.general;
458 accum_dbg = &priv->_3945.accum_statistics.general.dbg;
459 delta_dbg = &priv->_3945.delta_statistics.general.dbg;
460 max_dbg = &priv->_3945.max_delta.general.dbg;
461 accum_div = &priv->_3945.accum_statistics.general.div;
462 delta_div = &priv->_3945.delta_statistics.general.div;
463 max_div = &priv->_3945.max_delta.general.div;
464 pos += iwl3945_statistics_flag(priv, buf, bufsz);
465 pos += scnprintf(buf + pos, bufsz - pos, "%-32s current"
466 "acumulative delta max\n",
467 "Statistics_General:");
468 pos += scnprintf(buf + pos, bufsz - pos,
469 " %-30s %10u %10u %10u %10u\n",
470 "burst_check:",
471 le32_to_cpu(dbg->burst_check),
472 accum_dbg->burst_check,
473 delta_dbg->burst_check, max_dbg->burst_check);
474 pos += scnprintf(buf + pos, bufsz - pos,
475 " %-30s %10u %10u %10u %10u\n",
476 "burst_count:",
477 le32_to_cpu(dbg->burst_count),
478 accum_dbg->burst_count,
479 delta_dbg->burst_count, max_dbg->burst_count);
480 pos += scnprintf(buf + pos, bufsz - pos,
481 " %-30s %10u %10u %10u %10u\n",
482 "sleep_time:",
483 le32_to_cpu(general->sleep_time),
484 accum_general->sleep_time,
485 delta_general->sleep_time, max_general->sleep_time);
486 pos += scnprintf(buf + pos, bufsz - pos,
487 " %-30s %10u %10u %10u %10u\n",
488 "slots_out:",
489 le32_to_cpu(general->slots_out),
490 accum_general->slots_out,
491 delta_general->slots_out, max_general->slots_out);
492 pos += scnprintf(buf + pos, bufsz - pos,
493 " %-30s %10u %10u %10u %10u\n",
494 "slots_idle:",
495 le32_to_cpu(general->slots_idle),
496 accum_general->slots_idle,
497 delta_general->slots_idle, max_general->slots_idle);
498 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
499 le32_to_cpu(general->ttl_timestamp));
500 pos += scnprintf(buf + pos, bufsz - pos,
501 " %-30s %10u %10u %10u %10u\n",
502 "tx_on_a:",
503 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
504 delta_div->tx_on_a, max_div->tx_on_a);
505 pos += scnprintf(buf + pos, bufsz - pos,
506 " %-30s %10u %10u %10u %10u\n",
507 "tx_on_b:",
508 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
509 delta_div->tx_on_b, max_div->tx_on_b);
510 pos += scnprintf(buf + pos, bufsz - pos,
511 " %-30s %10u %10u %10u %10u\n",
512 "exec_time:",
513 le32_to_cpu(div->exec_time), accum_div->exec_time,
514 delta_div->exec_time, max_div->exec_time);
515 pos += scnprintf(buf + pos, bufsz - pos,
516 " %-30s %10u %10u %10u %10u\n",
517 "probe_time:",
518 le32_to_cpu(div->probe_time), accum_div->probe_time,
519 delta_div->probe_time, max_div->probe_time);
520 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
521 kfree(buf);
522 return ret;
523}