1// SPDX-License-Identifier: GPL-2.0-only
2/******************************************************************************
3 *
4 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
5 *
6 * Contact Information:
7 * Intel Linux Wireless <ilw@linux.intel.com>
8 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
9 *****************************************************************************/
10
11#include "common.h"
12#include "3945.h"
13
14static int
15il3945_stats_flag(struct il_priv *il, char *buf, int bufsz)
16{
17 int p = 0;
18
19 p += scnprintf(buf: buf + p, size: bufsz - p, fmt: "Statistics Flag(0x%X):\n",
20 le32_to_cpu(il->_3945.stats.flag));
21 if (le32_to_cpu(il->_3945.stats.flag) & UCODE_STATS_CLEAR_MSK)
22 p += scnprintf(buf: buf + p, size: bufsz - p,
23 fmt: "\tStatistics have been cleared\n");
24 p += scnprintf(buf: buf + p, size: bufsz - p, fmt: "\tOperational Frequency: %s\n",
25 (le32_to_cpu(il->_3945.stats.flag) &
26 UCODE_STATS_FREQUENCY_MSK) ? "2.4 GHz" : "5.2 GHz");
27 p += scnprintf(buf: buf + p, size: bufsz - p, fmt: "\tTGj Narrow Band: %s\n",
28 (le32_to_cpu(il->_3945.stats.flag) &
29 UCODE_STATS_NARROW_BAND_MSK) ? "enabled" : "disabled");
30 return p;
31}
32
33static ssize_t
34il3945_ucode_rx_stats_read(struct file *file, char __user *user_buf,
35 size_t count, loff_t *ppos)
36{
37 struct il_priv *il = file->private_data;
38 int pos = 0;
39 char *buf;
40 int bufsz =
41 sizeof(struct iwl39_stats_rx_phy) * 40 +
42 sizeof(struct iwl39_stats_rx_non_phy) * 40 + 400;
43 ssize_t ret;
44 struct iwl39_stats_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
45 struct iwl39_stats_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
46 struct iwl39_stats_rx_non_phy *general, *accum_general;
47 struct iwl39_stats_rx_non_phy *delta_general, *max_general;
48
49 if (!il_is_alive(il))
50 return -EAGAIN;
51
52 buf = kzalloc(size: bufsz, GFP_KERNEL);
53 if (!buf) {
54 IL_ERR("Can not allocate Buffer\n");
55 return -ENOMEM;
56 }
57
58 /*
59 * The statistic information display here is based on
60 * the last stats notification from uCode
61 * might not reflect the current uCode activity
62 */
63 ofdm = &il->_3945.stats.rx.ofdm;
64 cck = &il->_3945.stats.rx.cck;
65 general = &il->_3945.stats.rx.general;
66 accum_ofdm = &il->_3945.accum_stats.rx.ofdm;
67 accum_cck = &il->_3945.accum_stats.rx.cck;
68 accum_general = &il->_3945.accum_stats.rx.general;
69 delta_ofdm = &il->_3945.delta_stats.rx.ofdm;
70 delta_cck = &il->_3945.delta_stats.rx.cck;
71 delta_general = &il->_3945.delta_stats.rx.general;
72 max_ofdm = &il->_3945.max_delta.rx.ofdm;
73 max_cck = &il->_3945.max_delta.rx.cck;
74 max_general = &il->_3945.max_delta.rx.general;
75
76 pos += il3945_stats_flag(il, buf, bufsz);
77 pos +=
78 scnprintf(buf: buf + pos, size: bufsz - pos,
79 fmt: "%-32s current"
80 "accumulative delta max\n",
81 "Statistics_Rx - OFDM:");
82 pos +=
83 scnprintf(buf: buf + pos, size: bufsz - pos,
84 fmt: " %-30s %10u %10u %10u %10u\n", "ina_cnt:",
85 le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt,
86 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
87 pos +=
88 scnprintf(buf: buf + pos, size: bufsz - pos,
89 fmt: " %-30s %10u %10u %10u %10u\n", "fina_cnt:",
90 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
91 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
92 pos +=
93 scnprintf(buf: buf + pos, size: bufsz - pos,
94 fmt: " %-30s %10u %10u %10u %10u\n", "plcp_err:",
95 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
96 delta_ofdm->plcp_err, max_ofdm->plcp_err);
97 pos +=
98 scnprintf(buf: buf + pos, size: bufsz - pos,
99 fmt: " %-30s %10u %10u %10u %10u\n", "crc32_err:",
100 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
101 delta_ofdm->crc32_err, max_ofdm->crc32_err);
102 pos +=
103 scnprintf(buf: buf + pos, size: bufsz - pos,
104 fmt: " %-30s %10u %10u %10u %10u\n", "overrun_err:",
105 le32_to_cpu(ofdm->overrun_err), accum_ofdm->overrun_err,
106 delta_ofdm->overrun_err, max_ofdm->overrun_err);
107 pos +=
108 scnprintf(buf: buf + pos, size: bufsz - pos,
109 fmt: " %-30s %10u %10u %10u %10u\n", "early_overrun_err:",
110 le32_to_cpu(ofdm->early_overrun_err),
111 accum_ofdm->early_overrun_err,
112 delta_ofdm->early_overrun_err,
113 max_ofdm->early_overrun_err);
114 pos +=
115 scnprintf(buf: buf + pos, size: bufsz - pos,
116 fmt: " %-30s %10u %10u %10u %10u\n", "crc32_good:",
117 le32_to_cpu(ofdm->crc32_good), accum_ofdm->crc32_good,
118 delta_ofdm->crc32_good, max_ofdm->crc32_good);
119 pos +=
120 scnprintf(buf: buf + pos, size: bufsz - pos,
121 fmt: " %-30s %10u %10u %10u %10u\n", "false_alarm_cnt:",
122 le32_to_cpu(ofdm->false_alarm_cnt),
123 accum_ofdm->false_alarm_cnt, delta_ofdm->false_alarm_cnt,
124 max_ofdm->false_alarm_cnt);
125 pos +=
126 scnprintf(buf: buf + pos, size: bufsz - pos,
127 fmt: " %-30s %10u %10u %10u %10u\n", "fina_sync_err_cnt:",
128 le32_to_cpu(ofdm->fina_sync_err_cnt),
129 accum_ofdm->fina_sync_err_cnt,
130 delta_ofdm->fina_sync_err_cnt,
131 max_ofdm->fina_sync_err_cnt);
132 pos +=
133 scnprintf(buf: buf + pos, size: bufsz - pos,
134 fmt: " %-30s %10u %10u %10u %10u\n", "sfd_timeout:",
135 le32_to_cpu(ofdm->sfd_timeout), accum_ofdm->sfd_timeout,
136 delta_ofdm->sfd_timeout, max_ofdm->sfd_timeout);
137 pos +=
138 scnprintf(buf: buf + pos, size: bufsz - pos,
139 fmt: " %-30s %10u %10u %10u %10u\n", "fina_timeout:",
140 le32_to_cpu(ofdm->fina_timeout), accum_ofdm->fina_timeout,
141 delta_ofdm->fina_timeout, max_ofdm->fina_timeout);
142 pos +=
143 scnprintf(buf: buf + pos, size: bufsz - pos,
144 fmt: " %-30s %10u %10u %10u %10u\n", "unresponded_rts:",
145 le32_to_cpu(ofdm->unresponded_rts),
146 accum_ofdm->unresponded_rts, delta_ofdm->unresponded_rts,
147 max_ofdm->unresponded_rts);
148 pos +=
149 scnprintf(buf: buf + pos, size: bufsz - pos,
150 fmt: " %-30s %10u %10u %10u %10u\n",
151 "rxe_frame_lmt_ovrun:",
152 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
153 accum_ofdm->rxe_frame_limit_overrun,
154 delta_ofdm->rxe_frame_limit_overrun,
155 max_ofdm->rxe_frame_limit_overrun);
156 pos +=
157 scnprintf(buf: buf + pos, size: bufsz - pos,
158 fmt: " %-30s %10u %10u %10u %10u\n", "sent_ack_cnt:",
159 le32_to_cpu(ofdm->sent_ack_cnt), accum_ofdm->sent_ack_cnt,
160 delta_ofdm->sent_ack_cnt, max_ofdm->sent_ack_cnt);
161 pos +=
162 scnprintf(buf: buf + pos, size: bufsz - pos,
163 fmt: " %-30s %10u %10u %10u %10u\n", "sent_cts_cnt:",
164 le32_to_cpu(ofdm->sent_cts_cnt), accum_ofdm->sent_cts_cnt,
165 delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
166
167 pos +=
168 scnprintf(buf: buf + pos, size: bufsz - pos,
169 fmt: "%-32s current"
170 "accumulative delta max\n",
171 "Statistics_Rx - CCK:");
172 pos +=
173 scnprintf(buf: buf + pos, size: bufsz - pos,
174 fmt: " %-30s %10u %10u %10u %10u\n", "ina_cnt:",
175 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
176 delta_cck->ina_cnt, max_cck->ina_cnt);
177 pos +=
178 scnprintf(buf: buf + pos, size: bufsz - pos,
179 fmt: " %-30s %10u %10u %10u %10u\n", "fina_cnt:",
180 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
181 delta_cck->fina_cnt, max_cck->fina_cnt);
182 pos +=
183 scnprintf(buf: buf + pos, size: bufsz - pos,
184 fmt: " %-30s %10u %10u %10u %10u\n", "plcp_err:",
185 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
186 delta_cck->plcp_err, max_cck->plcp_err);
187 pos +=
188 scnprintf(buf: buf + pos, size: bufsz - pos,
189 fmt: " %-30s %10u %10u %10u %10u\n", "crc32_err:",
190 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
191 delta_cck->crc32_err, max_cck->crc32_err);
192 pos +=
193 scnprintf(buf: buf + pos, size: bufsz - pos,
194 fmt: " %-30s %10u %10u %10u %10u\n", "overrun_err:",
195 le32_to_cpu(cck->overrun_err), accum_cck->overrun_err,
196 delta_cck->overrun_err, max_cck->overrun_err);
197 pos +=
198 scnprintf(buf: buf + pos, size: bufsz - pos,
199 fmt: " %-30s %10u %10u %10u %10u\n", "early_overrun_err:",
200 le32_to_cpu(cck->early_overrun_err),
201 accum_cck->early_overrun_err,
202 delta_cck->early_overrun_err, max_cck->early_overrun_err);
203 pos +=
204 scnprintf(buf: buf + pos, size: bufsz - pos,
205 fmt: " %-30s %10u %10u %10u %10u\n", "crc32_good:",
206 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
207 delta_cck->crc32_good, max_cck->crc32_good);
208 pos +=
209 scnprintf(buf: buf + pos, size: bufsz - pos,
210 fmt: " %-30s %10u %10u %10u %10u\n", "false_alarm_cnt:",
211 le32_to_cpu(cck->false_alarm_cnt),
212 accum_cck->false_alarm_cnt, delta_cck->false_alarm_cnt,
213 max_cck->false_alarm_cnt);
214 pos +=
215 scnprintf(buf: buf + pos, size: bufsz - pos,
216 fmt: " %-30s %10u %10u %10u %10u\n", "fina_sync_err_cnt:",
217 le32_to_cpu(cck->fina_sync_err_cnt),
218 accum_cck->fina_sync_err_cnt,
219 delta_cck->fina_sync_err_cnt, max_cck->fina_sync_err_cnt);
220 pos +=
221 scnprintf(buf: buf + pos, size: bufsz - pos,
222 fmt: " %-30s %10u %10u %10u %10u\n", "sfd_timeout:",
223 le32_to_cpu(cck->sfd_timeout), accum_cck->sfd_timeout,
224 delta_cck->sfd_timeout, max_cck->sfd_timeout);
225 pos +=
226 scnprintf(buf: buf + pos, size: bufsz - pos,
227 fmt: " %-30s %10u %10u %10u %10u\n", "fina_timeout:",
228 le32_to_cpu(cck->fina_timeout), accum_cck->fina_timeout,
229 delta_cck->fina_timeout, max_cck->fina_timeout);
230 pos +=
231 scnprintf(buf: buf + pos, size: bufsz - pos,
232 fmt: " %-30s %10u %10u %10u %10u\n", "unresponded_rts:",
233 le32_to_cpu(cck->unresponded_rts),
234 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
235 max_cck->unresponded_rts);
236 pos +=
237 scnprintf(buf: buf + pos, size: bufsz - pos,
238 fmt: " %-30s %10u %10u %10u %10u\n",
239 "rxe_frame_lmt_ovrun:",
240 le32_to_cpu(cck->rxe_frame_limit_overrun),
241 accum_cck->rxe_frame_limit_overrun,
242 delta_cck->rxe_frame_limit_overrun,
243 max_cck->rxe_frame_limit_overrun);
244 pos +=
245 scnprintf(buf: buf + pos, size: bufsz - pos,
246 fmt: " %-30s %10u %10u %10u %10u\n", "sent_ack_cnt:",
247 le32_to_cpu(cck->sent_ack_cnt), accum_cck->sent_ack_cnt,
248 delta_cck->sent_ack_cnt, max_cck->sent_ack_cnt);
249 pos +=
250 scnprintf(buf: buf + pos, size: bufsz - pos,
251 fmt: " %-30s %10u %10u %10u %10u\n", "sent_cts_cnt:",
252 le32_to_cpu(cck->sent_cts_cnt), accum_cck->sent_cts_cnt,
253 delta_cck->sent_cts_cnt, max_cck->sent_cts_cnt);
254
255 pos +=
256 scnprintf(buf: buf + pos, size: bufsz - pos,
257 fmt: "%-32s current"
258 "accumulative delta max\n",
259 "Statistics_Rx - GENERAL:");
260 pos +=
261 scnprintf(buf: buf + pos, size: bufsz - pos,
262 fmt: " %-30s %10u %10u %10u %10u\n", "bogus_cts:",
263 le32_to_cpu(general->bogus_cts), accum_general->bogus_cts,
264 delta_general->bogus_cts, max_general->bogus_cts);
265 pos +=
266 scnprintf(buf: buf + pos, size: bufsz - pos,
267 fmt: " %-30s %10u %10u %10u %10u\n", "bogus_ack:",
268 le32_to_cpu(general->bogus_ack), accum_general->bogus_ack,
269 delta_general->bogus_ack, max_general->bogus_ack);
270 pos +=
271 scnprintf(buf: buf + pos, size: bufsz - pos,
272 fmt: " %-30s %10u %10u %10u %10u\n", "non_bssid_frames:",
273 le32_to_cpu(general->non_bssid_frames),
274 accum_general->non_bssid_frames,
275 delta_general->non_bssid_frames,
276 max_general->non_bssid_frames);
277 pos +=
278 scnprintf(buf: buf + pos, size: bufsz - pos,
279 fmt: " %-30s %10u %10u %10u %10u\n", "filtered_frames:",
280 le32_to_cpu(general->filtered_frames),
281 accum_general->filtered_frames,
282 delta_general->filtered_frames,
283 max_general->filtered_frames);
284 pos +=
285 scnprintf(buf: buf + pos, size: bufsz - pos,
286 fmt: " %-30s %10u %10u %10u %10u\n",
287 "non_channel_beacons:",
288 le32_to_cpu(general->non_channel_beacons),
289 accum_general->non_channel_beacons,
290 delta_general->non_channel_beacons,
291 max_general->non_channel_beacons);
292
293 ret = simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: pos);
294 kfree(objp: buf);
295 return ret;
296}
297
298static ssize_t
299il3945_ucode_tx_stats_read(struct file *file, char __user *user_buf,
300 size_t count, loff_t *ppos)
301{
302 struct il_priv *il = file->private_data;
303 int pos = 0;
304 char *buf;
305 int bufsz = (sizeof(struct iwl39_stats_tx) * 48) + 250;
306 ssize_t ret;
307 struct iwl39_stats_tx *tx, *accum_tx, *delta_tx, *max_tx;
308
309 if (!il_is_alive(il))
310 return -EAGAIN;
311
312 buf = kzalloc(size: bufsz, GFP_KERNEL);
313 if (!buf) {
314 IL_ERR("Can not allocate Buffer\n");
315 return -ENOMEM;
316 }
317
318 /*
319 * The statistic information display here is based on
320 * the last stats notification from uCode
321 * might not reflect the current uCode activity
322 */
323 tx = &il->_3945.stats.tx;
324 accum_tx = &il->_3945.accum_stats.tx;
325 delta_tx = &il->_3945.delta_stats.tx;
326 max_tx = &il->_3945.max_delta.tx;
327 pos += il3945_stats_flag(il, buf, bufsz);
328 pos +=
329 scnprintf(buf: buf + pos, size: bufsz - pos,
330 fmt: "%-32s current"
331 "accumulative delta max\n",
332 "Statistics_Tx:");
333 pos +=
334 scnprintf(buf: buf + pos, size: bufsz - pos,
335 fmt: " %-30s %10u %10u %10u %10u\n", "preamble:",
336 le32_to_cpu(tx->preamble_cnt), accum_tx->preamble_cnt,
337 delta_tx->preamble_cnt, max_tx->preamble_cnt);
338 pos +=
339 scnprintf(buf: buf + pos, size: bufsz - pos,
340 fmt: " %-30s %10u %10u %10u %10u\n", "rx_detected_cnt:",
341 le32_to_cpu(tx->rx_detected_cnt),
342 accum_tx->rx_detected_cnt, delta_tx->rx_detected_cnt,
343 max_tx->rx_detected_cnt);
344 pos +=
345 scnprintf(buf: buf + pos, size: bufsz - pos,
346 fmt: " %-30s %10u %10u %10u %10u\n", "bt_prio_defer_cnt:",
347 le32_to_cpu(tx->bt_prio_defer_cnt),
348 accum_tx->bt_prio_defer_cnt, delta_tx->bt_prio_defer_cnt,
349 max_tx->bt_prio_defer_cnt);
350 pos +=
351 scnprintf(buf: buf + pos, size: bufsz - pos,
352 fmt: " %-30s %10u %10u %10u %10u\n", "bt_prio_kill_cnt:",
353 le32_to_cpu(tx->bt_prio_kill_cnt),
354 accum_tx->bt_prio_kill_cnt, delta_tx->bt_prio_kill_cnt,
355 max_tx->bt_prio_kill_cnt);
356 pos +=
357 scnprintf(buf: buf + pos, size: bufsz - pos,
358 fmt: " %-30s %10u %10u %10u %10u\n", "few_bytes_cnt:",
359 le32_to_cpu(tx->few_bytes_cnt), accum_tx->few_bytes_cnt,
360 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
361 pos +=
362 scnprintf(buf: buf + pos, size: bufsz - pos,
363 fmt: " %-30s %10u %10u %10u %10u\n", "cts_timeout:",
364 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
365 delta_tx->cts_timeout, max_tx->cts_timeout);
366 pos +=
367 scnprintf(buf: buf + pos, size: bufsz - pos,
368 fmt: " %-30s %10u %10u %10u %10u\n", "ack_timeout:",
369 le32_to_cpu(tx->ack_timeout), accum_tx->ack_timeout,
370 delta_tx->ack_timeout, max_tx->ack_timeout);
371 pos +=
372 scnprintf(buf: buf + pos, size: bufsz - pos,
373 fmt: " %-30s %10u %10u %10u %10u\n", "expected_ack_cnt:",
374 le32_to_cpu(tx->expected_ack_cnt),
375 accum_tx->expected_ack_cnt, delta_tx->expected_ack_cnt,
376 max_tx->expected_ack_cnt);
377 pos +=
378 scnprintf(buf: buf + pos, size: bufsz - pos,
379 fmt: " %-30s %10u %10u %10u %10u\n", "actual_ack_cnt:",
380 le32_to_cpu(tx->actual_ack_cnt), accum_tx->actual_ack_cnt,
381 delta_tx->actual_ack_cnt, max_tx->actual_ack_cnt);
382
383 ret = simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: pos);
384 kfree(objp: buf);
385 return ret;
386}
387
388static ssize_t
389il3945_ucode_general_stats_read(struct file *file, char __user *user_buf,
390 size_t count, loff_t *ppos)
391{
392 struct il_priv *il = file->private_data;
393 int pos = 0;
394 char *buf;
395 int bufsz = sizeof(struct iwl39_stats_general) * 10 + 300;
396 ssize_t ret;
397 struct iwl39_stats_general *general, *accum_general;
398 struct iwl39_stats_general *delta_general, *max_general;
399 struct stats_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
400 struct iwl39_stats_div *div, *accum_div, *delta_div, *max_div;
401
402 if (!il_is_alive(il))
403 return -EAGAIN;
404
405 buf = kzalloc(size: bufsz, GFP_KERNEL);
406 if (!buf) {
407 IL_ERR("Can not allocate Buffer\n");
408 return -ENOMEM;
409 }
410
411 /*
412 * The statistic information display here is based on
413 * the last stats notification from uCode
414 * might not reflect the current uCode activity
415 */
416 general = &il->_3945.stats.general;
417 dbg = &il->_3945.stats.general.dbg;
418 div = &il->_3945.stats.general.div;
419 accum_general = &il->_3945.accum_stats.general;
420 delta_general = &il->_3945.delta_stats.general;
421 max_general = &il->_3945.max_delta.general;
422 accum_dbg = &il->_3945.accum_stats.general.dbg;
423 delta_dbg = &il->_3945.delta_stats.general.dbg;
424 max_dbg = &il->_3945.max_delta.general.dbg;
425 accum_div = &il->_3945.accum_stats.general.div;
426 delta_div = &il->_3945.delta_stats.general.div;
427 max_div = &il->_3945.max_delta.general.div;
428 pos += il3945_stats_flag(il, buf, bufsz);
429 pos +=
430 scnprintf(buf: buf + pos, size: bufsz - pos,
431 fmt: "%-32s current"
432 "accumulative delta max\n",
433 "Statistics_General:");
434 pos +=
435 scnprintf(buf: buf + pos, size: bufsz - pos,
436 fmt: " %-30s %10u %10u %10u %10u\n", "burst_check:",
437 le32_to_cpu(dbg->burst_check), accum_dbg->burst_check,
438 delta_dbg->burst_check, max_dbg->burst_check);
439 pos +=
440 scnprintf(buf: buf + pos, size: bufsz - pos,
441 fmt: " %-30s %10u %10u %10u %10u\n", "burst_count:",
442 le32_to_cpu(dbg->burst_count), accum_dbg->burst_count,
443 delta_dbg->burst_count, max_dbg->burst_count);
444 pos +=
445 scnprintf(buf: buf + pos, size: bufsz - pos,
446 fmt: " %-30s %10u %10u %10u %10u\n", "sleep_time:",
447 le32_to_cpu(general->sleep_time),
448 accum_general->sleep_time, delta_general->sleep_time,
449 max_general->sleep_time);
450 pos +=
451 scnprintf(buf: buf + pos, size: bufsz - pos,
452 fmt: " %-30s %10u %10u %10u %10u\n", "slots_out:",
453 le32_to_cpu(general->slots_out), accum_general->slots_out,
454 delta_general->slots_out, max_general->slots_out);
455 pos +=
456 scnprintf(buf: buf + pos, size: bufsz - pos,
457 fmt: " %-30s %10u %10u %10u %10u\n", "slots_idle:",
458 le32_to_cpu(general->slots_idle),
459 accum_general->slots_idle, delta_general->slots_idle,
460 max_general->slots_idle);
461 pos +=
462 scnprintf(buf: buf + pos, size: bufsz - pos, fmt: "ttl_timestamp:\t\t\t%u\n",
463 le32_to_cpu(general->ttl_timestamp));
464 pos +=
465 scnprintf(buf: buf + pos, size: bufsz - pos,
466 fmt: " %-30s %10u %10u %10u %10u\n", "tx_on_a:",
467 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
468 delta_div->tx_on_a, max_div->tx_on_a);
469 pos +=
470 scnprintf(buf: buf + pos, size: bufsz - pos,
471 fmt: " %-30s %10u %10u %10u %10u\n", "tx_on_b:",
472 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
473 delta_div->tx_on_b, max_div->tx_on_b);
474 pos +=
475 scnprintf(buf: buf + pos, size: bufsz - pos,
476 fmt: " %-30s %10u %10u %10u %10u\n", "exec_time:",
477 le32_to_cpu(div->exec_time), accum_div->exec_time,
478 delta_div->exec_time, max_div->exec_time);
479 pos +=
480 scnprintf(buf: buf + pos, size: bufsz - pos,
481 fmt: " %-30s %10u %10u %10u %10u\n", "probe_time:",
482 le32_to_cpu(div->probe_time), accum_div->probe_time,
483 delta_div->probe_time, max_div->probe_time);
484 ret = simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: pos);
485 kfree(objp: buf);
486 return ret;
487}
488
489const struct il_debugfs_ops il3945_debugfs_ops = {
490 .rx_stats_read = il3945_ucode_rx_stats_read,
491 .tx_stats_read = il3945_ucode_tx_stats_read,
492 .general_stats_read = il3945_ucode_general_stats_read,
493};
494

source code of linux/drivers/net/wireless/intel/iwlegacy/3945-debug.c