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 #include "common.h"
11 #include "4965.h"
12 
13 static const char *fmt_value = "  %-30s %10u\n";
14 static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
15 static const char *fmt_header =
16     "%-32s    current  cumulative       delta         max\n";
17 
18 static int
19 il4965_stats_flag(struct il_priv *il, char *buf, int bufsz)
20 {
21 	int p = 0;
22 	u32 flag;
23 
24 	flag = le32_to_cpu(il->_4965.stats.flag);
25 
26 	p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
27 	if (flag & UCODE_STATS_CLEAR_MSK)
28 		p += scnprintf(buf + p, bufsz - p,
29 			       "\tStatistics have been cleared\n");
30 	p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
31 		       (flag & UCODE_STATS_FREQUENCY_MSK) ? "2.4 GHz" :
32 		       "5.2 GHz");
33 	p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
34 		       (flag & UCODE_STATS_NARROW_BAND_MSK) ? "enabled" :
35 		       "disabled");
36 
37 	return p;
38 }
39 
40 static ssize_t
41 il4965_ucode_rx_stats_read(struct file *file, char __user *user_buf,
42 			   size_t count, loff_t *ppos)
43 {
44 	struct il_priv *il = file->private_data;
45 	int pos = 0;
46 	char *buf;
47 	int bufsz =
48 	    sizeof(struct stats_rx_phy) * 40 +
49 	    sizeof(struct stats_rx_non_phy) * 40 +
50 	    sizeof(struct stats_rx_ht_phy) * 40 + 400;
51 	ssize_t ret;
52 	struct stats_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
53 	struct stats_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
54 	struct stats_rx_non_phy *general, *accum_general;
55 	struct stats_rx_non_phy *delta_general, *max_general;
56 	struct stats_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
57 
58 	if (!il_is_alive(il))
59 		return -EAGAIN;
60 
61 	buf = kzalloc(bufsz, GFP_KERNEL);
62 	if (!buf) {
63 		IL_ERR("Can not allocate Buffer\n");
64 		return -ENOMEM;
65 	}
66 
67 	/*
68 	 * the statistic information display here is based on
69 	 * the last stats notification from uCode
70 	 * might not reflect the current uCode activity
71 	 */
72 	ofdm = &il->_4965.stats.rx.ofdm;
73 	cck = &il->_4965.stats.rx.cck;
74 	general = &il->_4965.stats.rx.general;
75 	ht = &il->_4965.stats.rx.ofdm_ht;
76 	accum_ofdm = &il->_4965.accum_stats.rx.ofdm;
77 	accum_cck = &il->_4965.accum_stats.rx.cck;
78 	accum_general = &il->_4965.accum_stats.rx.general;
79 	accum_ht = &il->_4965.accum_stats.rx.ofdm_ht;
80 	delta_ofdm = &il->_4965.delta_stats.rx.ofdm;
81 	delta_cck = &il->_4965.delta_stats.rx.cck;
82 	delta_general = &il->_4965.delta_stats.rx.general;
83 	delta_ht = &il->_4965.delta_stats.rx.ofdm_ht;
84 	max_ofdm = &il->_4965.max_delta.rx.ofdm;
85 	max_cck = &il->_4965.max_delta.rx.cck;
86 	max_general = &il->_4965.max_delta.rx.general;
87 	max_ht = &il->_4965.max_delta.rx.ofdm_ht;
88 
89 	pos += il4965_stats_flag(il, buf, bufsz);
90 	pos +=
91 	    scnprintf(buf + pos, bufsz - pos, fmt_header,
92 		      "Statistics_Rx - OFDM:");
93 	pos +=
94 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "ina_cnt:",
95 		      le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt,
96 		      delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
97 	pos +=
98 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_cnt:",
99 		      le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
100 		      delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
101 	pos +=
102 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
103 		      le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
104 		      delta_ofdm->plcp_err, max_ofdm->plcp_err);
105 	pos +=
106 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
107 		      le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
108 		      delta_ofdm->crc32_err, max_ofdm->crc32_err);
109 	pos +=
110 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
111 		      le32_to_cpu(ofdm->overrun_err), accum_ofdm->overrun_err,
112 		      delta_ofdm->overrun_err, max_ofdm->overrun_err);
113 	pos +=
114 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
115 		      le32_to_cpu(ofdm->early_overrun_err),
116 		      accum_ofdm->early_overrun_err,
117 		      delta_ofdm->early_overrun_err,
118 		      max_ofdm->early_overrun_err);
119 	pos +=
120 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
121 		      le32_to_cpu(ofdm->crc32_good), accum_ofdm->crc32_good,
122 		      delta_ofdm->crc32_good, max_ofdm->crc32_good);
123 	pos +=
124 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "false_alarm_cnt:",
125 		      le32_to_cpu(ofdm->false_alarm_cnt),
126 		      accum_ofdm->false_alarm_cnt, delta_ofdm->false_alarm_cnt,
127 		      max_ofdm->false_alarm_cnt);
128 	pos +=
129 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_sync_err_cnt:",
130 		      le32_to_cpu(ofdm->fina_sync_err_cnt),
131 		      accum_ofdm->fina_sync_err_cnt,
132 		      delta_ofdm->fina_sync_err_cnt,
133 		      max_ofdm->fina_sync_err_cnt);
134 	pos +=
135 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sfd_timeout:",
136 		      le32_to_cpu(ofdm->sfd_timeout), accum_ofdm->sfd_timeout,
137 		      delta_ofdm->sfd_timeout, max_ofdm->sfd_timeout);
138 	pos +=
139 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "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 + pos, bufsz - pos, fmt_table, "unresponded_rts:",
144 		      le32_to_cpu(ofdm->unresponded_rts),
145 		      accum_ofdm->unresponded_rts, delta_ofdm->unresponded_rts,
146 		      max_ofdm->unresponded_rts);
147 	pos +=
148 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "rxe_frame_lmt_ovrun:",
149 		      le32_to_cpu(ofdm->rxe_frame_limit_overrun),
150 		      accum_ofdm->rxe_frame_limit_overrun,
151 		      delta_ofdm->rxe_frame_limit_overrun,
152 		      max_ofdm->rxe_frame_limit_overrun);
153 	pos +=
154 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ack_cnt:",
155 		      le32_to_cpu(ofdm->sent_ack_cnt), accum_ofdm->sent_ack_cnt,
156 		      delta_ofdm->sent_ack_cnt, max_ofdm->sent_ack_cnt);
157 	pos +=
158 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_cts_cnt:",
159 		      le32_to_cpu(ofdm->sent_cts_cnt), accum_ofdm->sent_cts_cnt,
160 		      delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
161 	pos +=
162 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ba_rsp_cnt:",
163 		      le32_to_cpu(ofdm->sent_ba_rsp_cnt),
164 		      accum_ofdm->sent_ba_rsp_cnt, delta_ofdm->sent_ba_rsp_cnt,
165 		      max_ofdm->sent_ba_rsp_cnt);
166 	pos +=
167 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_self_kill:",
168 		      le32_to_cpu(ofdm->dsp_self_kill),
169 		      accum_ofdm->dsp_self_kill, delta_ofdm->dsp_self_kill,
170 		      max_ofdm->dsp_self_kill);
171 	pos +=
172 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
173 		      le32_to_cpu(ofdm->mh_format_err),
174 		      accum_ofdm->mh_format_err, delta_ofdm->mh_format_err,
175 		      max_ofdm->mh_format_err);
176 	pos +=
177 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
178 		      "re_acq_main_rssi_sum:",
179 		      le32_to_cpu(ofdm->re_acq_main_rssi_sum),
180 		      accum_ofdm->re_acq_main_rssi_sum,
181 		      delta_ofdm->re_acq_main_rssi_sum,
182 		      max_ofdm->re_acq_main_rssi_sum);
183 
184 	pos +=
185 	    scnprintf(buf + pos, bufsz - pos, fmt_header,
186 		      "Statistics_Rx - CCK:");
187 	pos +=
188 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "ina_cnt:",
189 		      le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
190 		      delta_cck->ina_cnt, max_cck->ina_cnt);
191 	pos +=
192 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_cnt:",
193 		      le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
194 		      delta_cck->fina_cnt, max_cck->fina_cnt);
195 	pos +=
196 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
197 		      le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
198 		      delta_cck->plcp_err, max_cck->plcp_err);
199 	pos +=
200 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
201 		      le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
202 		      delta_cck->crc32_err, max_cck->crc32_err);
203 	pos +=
204 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
205 		      le32_to_cpu(cck->overrun_err), accum_cck->overrun_err,
206 		      delta_cck->overrun_err, max_cck->overrun_err);
207 	pos +=
208 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
209 		      le32_to_cpu(cck->early_overrun_err),
210 		      accum_cck->early_overrun_err,
211 		      delta_cck->early_overrun_err, max_cck->early_overrun_err);
212 	pos +=
213 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
214 		      le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
215 		      delta_cck->crc32_good, max_cck->crc32_good);
216 	pos +=
217 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "false_alarm_cnt:",
218 		      le32_to_cpu(cck->false_alarm_cnt),
219 		      accum_cck->false_alarm_cnt, delta_cck->false_alarm_cnt,
220 		      max_cck->false_alarm_cnt);
221 	pos +=
222 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_sync_err_cnt:",
223 		      le32_to_cpu(cck->fina_sync_err_cnt),
224 		      accum_cck->fina_sync_err_cnt,
225 		      delta_cck->fina_sync_err_cnt, max_cck->fina_sync_err_cnt);
226 	pos +=
227 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sfd_timeout:",
228 		      le32_to_cpu(cck->sfd_timeout), accum_cck->sfd_timeout,
229 		      delta_cck->sfd_timeout, max_cck->sfd_timeout);
230 	pos +=
231 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_timeout:",
232 		      le32_to_cpu(cck->fina_timeout), accum_cck->fina_timeout,
233 		      delta_cck->fina_timeout, max_cck->fina_timeout);
234 	pos +=
235 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "unresponded_rts:",
236 		      le32_to_cpu(cck->unresponded_rts),
237 		      accum_cck->unresponded_rts, delta_cck->unresponded_rts,
238 		      max_cck->unresponded_rts);
239 	pos +=
240 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "rxe_frame_lmt_ovrun:",
241 		      le32_to_cpu(cck->rxe_frame_limit_overrun),
242 		      accum_cck->rxe_frame_limit_overrun,
243 		      delta_cck->rxe_frame_limit_overrun,
244 		      max_cck->rxe_frame_limit_overrun);
245 	pos +=
246 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "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 + pos, bufsz - pos, fmt_table, "sent_cts_cnt:",
251 		      le32_to_cpu(cck->sent_cts_cnt), accum_cck->sent_cts_cnt,
252 		      delta_cck->sent_cts_cnt, max_cck->sent_cts_cnt);
253 	pos +=
254 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ba_rsp_cnt:",
255 		      le32_to_cpu(cck->sent_ba_rsp_cnt),
256 		      accum_cck->sent_ba_rsp_cnt, delta_cck->sent_ba_rsp_cnt,
257 		      max_cck->sent_ba_rsp_cnt);
258 	pos +=
259 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_self_kill:",
260 		      le32_to_cpu(cck->dsp_self_kill), accum_cck->dsp_self_kill,
261 		      delta_cck->dsp_self_kill, max_cck->dsp_self_kill);
262 	pos +=
263 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
264 		      le32_to_cpu(cck->mh_format_err), accum_cck->mh_format_err,
265 		      delta_cck->mh_format_err, max_cck->mh_format_err);
266 	pos +=
267 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
268 		      "re_acq_main_rssi_sum:",
269 		      le32_to_cpu(cck->re_acq_main_rssi_sum),
270 		      accum_cck->re_acq_main_rssi_sum,
271 		      delta_cck->re_acq_main_rssi_sum,
272 		      max_cck->re_acq_main_rssi_sum);
273 
274 	pos +=
275 	    scnprintf(buf + pos, bufsz - pos, fmt_header,
276 		      "Statistics_Rx - GENERAL:");
277 	pos +=
278 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "bogus_cts:",
279 		      le32_to_cpu(general->bogus_cts), accum_general->bogus_cts,
280 		      delta_general->bogus_cts, max_general->bogus_cts);
281 	pos +=
282 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "bogus_ack:",
283 		      le32_to_cpu(general->bogus_ack), accum_general->bogus_ack,
284 		      delta_general->bogus_ack, max_general->bogus_ack);
285 	pos +=
286 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "non_bssid_frames:",
287 		      le32_to_cpu(general->non_bssid_frames),
288 		      accum_general->non_bssid_frames,
289 		      delta_general->non_bssid_frames,
290 		      max_general->non_bssid_frames);
291 	pos +=
292 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "filtered_frames:",
293 		      le32_to_cpu(general->filtered_frames),
294 		      accum_general->filtered_frames,
295 		      delta_general->filtered_frames,
296 		      max_general->filtered_frames);
297 	pos +=
298 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "non_channel_beacons:",
299 		      le32_to_cpu(general->non_channel_beacons),
300 		      accum_general->non_channel_beacons,
301 		      delta_general->non_channel_beacons,
302 		      max_general->non_channel_beacons);
303 	pos +=
304 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "channel_beacons:",
305 		      le32_to_cpu(general->channel_beacons),
306 		      accum_general->channel_beacons,
307 		      delta_general->channel_beacons,
308 		      max_general->channel_beacons);
309 	pos +=
310 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "num_missed_bcon:",
311 		      le32_to_cpu(general->num_missed_bcon),
312 		      accum_general->num_missed_bcon,
313 		      delta_general->num_missed_bcon,
314 		      max_general->num_missed_bcon);
315 	pos +=
316 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
317 		      "adc_rx_saturation_time:",
318 		      le32_to_cpu(general->adc_rx_saturation_time),
319 		      accum_general->adc_rx_saturation_time,
320 		      delta_general->adc_rx_saturation_time,
321 		      max_general->adc_rx_saturation_time);
322 	pos +=
323 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
324 		      "ina_detect_search_tm:",
325 		      le32_to_cpu(general->ina_detection_search_time),
326 		      accum_general->ina_detection_search_time,
327 		      delta_general->ina_detection_search_time,
328 		      max_general->ina_detection_search_time);
329 	pos +=
330 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
331 		      "beacon_silence_rssi_a:",
332 		      le32_to_cpu(general->beacon_silence_rssi_a),
333 		      accum_general->beacon_silence_rssi_a,
334 		      delta_general->beacon_silence_rssi_a,
335 		      max_general->beacon_silence_rssi_a);
336 	pos +=
337 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
338 		      "beacon_silence_rssi_b:",
339 		      le32_to_cpu(general->beacon_silence_rssi_b),
340 		      accum_general->beacon_silence_rssi_b,
341 		      delta_general->beacon_silence_rssi_b,
342 		      max_general->beacon_silence_rssi_b);
343 	pos +=
344 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
345 		      "beacon_silence_rssi_c:",
346 		      le32_to_cpu(general->beacon_silence_rssi_c),
347 		      accum_general->beacon_silence_rssi_c,
348 		      delta_general->beacon_silence_rssi_c,
349 		      max_general->beacon_silence_rssi_c);
350 	pos +=
351 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
352 		      "interference_data_flag:",
353 		      le32_to_cpu(general->interference_data_flag),
354 		      accum_general->interference_data_flag,
355 		      delta_general->interference_data_flag,
356 		      max_general->interference_data_flag);
357 	pos +=
358 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "channel_load:",
359 		      le32_to_cpu(general->channel_load),
360 		      accum_general->channel_load, delta_general->channel_load,
361 		      max_general->channel_load);
362 	pos +=
363 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_false_alarms:",
364 		      le32_to_cpu(general->dsp_false_alarms),
365 		      accum_general->dsp_false_alarms,
366 		      delta_general->dsp_false_alarms,
367 		      max_general->dsp_false_alarms);
368 	pos +=
369 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_a:",
370 		      le32_to_cpu(general->beacon_rssi_a),
371 		      accum_general->beacon_rssi_a,
372 		      delta_general->beacon_rssi_a, max_general->beacon_rssi_a);
373 	pos +=
374 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_b:",
375 		      le32_to_cpu(general->beacon_rssi_b),
376 		      accum_general->beacon_rssi_b,
377 		      delta_general->beacon_rssi_b, max_general->beacon_rssi_b);
378 	pos +=
379 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_c:",
380 		      le32_to_cpu(general->beacon_rssi_c),
381 		      accum_general->beacon_rssi_c,
382 		      delta_general->beacon_rssi_c, max_general->beacon_rssi_c);
383 	pos +=
384 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_a:",
385 		      le32_to_cpu(general->beacon_energy_a),
386 		      accum_general->beacon_energy_a,
387 		      delta_general->beacon_energy_a,
388 		      max_general->beacon_energy_a);
389 	pos +=
390 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_b:",
391 		      le32_to_cpu(general->beacon_energy_b),
392 		      accum_general->beacon_energy_b,
393 		      delta_general->beacon_energy_b,
394 		      max_general->beacon_energy_b);
395 	pos +=
396 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_c:",
397 		      le32_to_cpu(general->beacon_energy_c),
398 		      accum_general->beacon_energy_c,
399 		      delta_general->beacon_energy_c,
400 		      max_general->beacon_energy_c);
401 
402 	pos +=
403 	    scnprintf(buf + pos, bufsz - pos, fmt_header,
404 		      "Statistics_Rx - OFDM_HT:");
405 	pos +=
406 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
407 		      le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
408 		      delta_ht->plcp_err, max_ht->plcp_err);
409 	pos +=
410 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
411 		      le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
412 		      delta_ht->overrun_err, max_ht->overrun_err);
413 	pos +=
414 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
415 		      le32_to_cpu(ht->early_overrun_err),
416 		      accum_ht->early_overrun_err, delta_ht->early_overrun_err,
417 		      max_ht->early_overrun_err);
418 	pos +=
419 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
420 		      le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
421 		      delta_ht->crc32_good, max_ht->crc32_good);
422 	pos +=
423 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
424 		      le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
425 		      delta_ht->crc32_err, max_ht->crc32_err);
426 	pos +=
427 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
428 		      le32_to_cpu(ht->mh_format_err), accum_ht->mh_format_err,
429 		      delta_ht->mh_format_err, max_ht->mh_format_err);
430 	pos +=
431 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_crc32_good:",
432 		      le32_to_cpu(ht->agg_crc32_good), accum_ht->agg_crc32_good,
433 		      delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
434 	pos +=
435 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_mpdu_cnt:",
436 		      le32_to_cpu(ht->agg_mpdu_cnt), accum_ht->agg_mpdu_cnt,
437 		      delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
438 	pos +=
439 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_cnt:",
440 		      le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
441 		      delta_ht->agg_cnt, max_ht->agg_cnt);
442 	pos +=
443 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "unsupport_mcs:",
444 		      le32_to_cpu(ht->unsupport_mcs), accum_ht->unsupport_mcs,
445 		      delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
446 
447 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
448 	kfree(buf);
449 	return ret;
450 }
451 
452 static ssize_t
453 il4965_ucode_tx_stats_read(struct file *file, char __user *user_buf,
454 			   size_t count, loff_t *ppos)
455 {
456 	struct il_priv *il = file->private_data;
457 	int pos = 0;
458 	char *buf;
459 	int bufsz = (sizeof(struct stats_tx) * 48) + 250;
460 	ssize_t ret;
461 	struct stats_tx *tx, *accum_tx, *delta_tx, *max_tx;
462 
463 	if (!il_is_alive(il))
464 		return -EAGAIN;
465 
466 	buf = kzalloc(bufsz, GFP_KERNEL);
467 	if (!buf) {
468 		IL_ERR("Can not allocate Buffer\n");
469 		return -ENOMEM;
470 	}
471 
472 	/* the statistic information display here is based on
473 	 * the last stats notification from uCode
474 	 * might not reflect the current uCode activity
475 	 */
476 	tx = &il->_4965.stats.tx;
477 	accum_tx = &il->_4965.accum_stats.tx;
478 	delta_tx = &il->_4965.delta_stats.tx;
479 	max_tx = &il->_4965.max_delta.tx;
480 
481 	pos += il4965_stats_flag(il, buf, bufsz);
482 	pos += scnprintf(buf + pos, bufsz - pos, fmt_header, "Statistics_Tx:");
483 	pos +=
484 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "preamble:",
485 		      le32_to_cpu(tx->preamble_cnt), accum_tx->preamble_cnt,
486 		      delta_tx->preamble_cnt, max_tx->preamble_cnt);
487 	pos +=
488 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "rx_detected_cnt:",
489 		      le32_to_cpu(tx->rx_detected_cnt),
490 		      accum_tx->rx_detected_cnt, delta_tx->rx_detected_cnt,
491 		      max_tx->rx_detected_cnt);
492 	pos +=
493 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "bt_prio_defer_cnt:",
494 		      le32_to_cpu(tx->bt_prio_defer_cnt),
495 		      accum_tx->bt_prio_defer_cnt, delta_tx->bt_prio_defer_cnt,
496 		      max_tx->bt_prio_defer_cnt);
497 	pos +=
498 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "bt_prio_kill_cnt:",
499 		      le32_to_cpu(tx->bt_prio_kill_cnt),
500 		      accum_tx->bt_prio_kill_cnt, delta_tx->bt_prio_kill_cnt,
501 		      max_tx->bt_prio_kill_cnt);
502 	pos +=
503 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "few_bytes_cnt:",
504 		      le32_to_cpu(tx->few_bytes_cnt), accum_tx->few_bytes_cnt,
505 		      delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
506 	pos +=
507 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "cts_timeout:",
508 		      le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
509 		      delta_tx->cts_timeout, max_tx->cts_timeout);
510 	pos +=
511 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "ack_timeout:",
512 		      le32_to_cpu(tx->ack_timeout), accum_tx->ack_timeout,
513 		      delta_tx->ack_timeout, max_tx->ack_timeout);
514 	pos +=
515 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "expected_ack_cnt:",
516 		      le32_to_cpu(tx->expected_ack_cnt),
517 		      accum_tx->expected_ack_cnt, delta_tx->expected_ack_cnt,
518 		      max_tx->expected_ack_cnt);
519 	pos +=
520 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "actual_ack_cnt:",
521 		      le32_to_cpu(tx->actual_ack_cnt), accum_tx->actual_ack_cnt,
522 		      delta_tx->actual_ack_cnt, max_tx->actual_ack_cnt);
523 	pos +=
524 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "dump_msdu_cnt:",
525 		      le32_to_cpu(tx->dump_msdu_cnt), accum_tx->dump_msdu_cnt,
526 		      delta_tx->dump_msdu_cnt, max_tx->dump_msdu_cnt);
527 	pos +=
528 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
529 		      "abort_nxt_frame_mismatch:",
530 		      le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
531 		      accum_tx->burst_abort_next_frame_mismatch_cnt,
532 		      delta_tx->burst_abort_next_frame_mismatch_cnt,
533 		      max_tx->burst_abort_next_frame_mismatch_cnt);
534 	pos +=
535 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
536 		      "abort_missing_nxt_frame:",
537 		      le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
538 		      accum_tx->burst_abort_missing_next_frame_cnt,
539 		      delta_tx->burst_abort_missing_next_frame_cnt,
540 		      max_tx->burst_abort_missing_next_frame_cnt);
541 	pos +=
542 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
543 		      "cts_timeout_collision:",
544 		      le32_to_cpu(tx->cts_timeout_collision),
545 		      accum_tx->cts_timeout_collision,
546 		      delta_tx->cts_timeout_collision,
547 		      max_tx->cts_timeout_collision);
548 	pos +=
549 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
550 		      "ack_ba_timeout_collision:",
551 		      le32_to_cpu(tx->ack_or_ba_timeout_collision),
552 		      accum_tx->ack_or_ba_timeout_collision,
553 		      delta_tx->ack_or_ba_timeout_collision,
554 		      max_tx->ack_or_ba_timeout_collision);
555 	pos +=
556 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg ba_timeout:",
557 		      le32_to_cpu(tx->agg.ba_timeout), accum_tx->agg.ba_timeout,
558 		      delta_tx->agg.ba_timeout, max_tx->agg.ba_timeout);
559 	pos +=
560 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
561 		      "agg ba_resched_frames:",
562 		      le32_to_cpu(tx->agg.ba_reschedule_frames),
563 		      accum_tx->agg.ba_reschedule_frames,
564 		      delta_tx->agg.ba_reschedule_frames,
565 		      max_tx->agg.ba_reschedule_frames);
566 	pos +=
567 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
568 		      "agg scd_query_agg_frame:",
569 		      le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
570 		      accum_tx->agg.scd_query_agg_frame_cnt,
571 		      delta_tx->agg.scd_query_agg_frame_cnt,
572 		      max_tx->agg.scd_query_agg_frame_cnt);
573 	pos +=
574 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
575 		      "agg scd_query_no_agg:",
576 		      le32_to_cpu(tx->agg.scd_query_no_agg),
577 		      accum_tx->agg.scd_query_no_agg,
578 		      delta_tx->agg.scd_query_no_agg,
579 		      max_tx->agg.scd_query_no_agg);
580 	pos +=
581 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg scd_query_agg:",
582 		      le32_to_cpu(tx->agg.scd_query_agg),
583 		      accum_tx->agg.scd_query_agg, delta_tx->agg.scd_query_agg,
584 		      max_tx->agg.scd_query_agg);
585 	pos +=
586 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
587 		      "agg scd_query_mismatch:",
588 		      le32_to_cpu(tx->agg.scd_query_mismatch),
589 		      accum_tx->agg.scd_query_mismatch,
590 		      delta_tx->agg.scd_query_mismatch,
591 		      max_tx->agg.scd_query_mismatch);
592 	pos +=
593 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg frame_not_ready:",
594 		      le32_to_cpu(tx->agg.frame_not_ready),
595 		      accum_tx->agg.frame_not_ready,
596 		      delta_tx->agg.frame_not_ready,
597 		      max_tx->agg.frame_not_ready);
598 	pos +=
599 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg underrun:",
600 		      le32_to_cpu(tx->agg.underrun), accum_tx->agg.underrun,
601 		      delta_tx->agg.underrun, max_tx->agg.underrun);
602 	pos +=
603 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg bt_prio_kill:",
604 		      le32_to_cpu(tx->agg.bt_prio_kill),
605 		      accum_tx->agg.bt_prio_kill, delta_tx->agg.bt_prio_kill,
606 		      max_tx->agg.bt_prio_kill);
607 	pos +=
608 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg rx_ba_rsp_cnt:",
609 		      le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
610 		      accum_tx->agg.rx_ba_rsp_cnt, delta_tx->agg.rx_ba_rsp_cnt,
611 		      max_tx->agg.rx_ba_rsp_cnt);
612 
613 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
614 	kfree(buf);
615 	return ret;
616 }
617 
618 static ssize_t
619 il4965_ucode_general_stats_read(struct file *file, char __user *user_buf,
620 				size_t count, loff_t *ppos)
621 {
622 	struct il_priv *il = file->private_data;
623 	int pos = 0;
624 	char *buf;
625 	int bufsz = sizeof(struct stats_general) * 10 + 300;
626 	ssize_t ret;
627 	struct stats_general_common *general, *accum_general;
628 	struct stats_general_common *delta_general, *max_general;
629 	struct stats_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
630 	struct stats_div *div, *accum_div, *delta_div, *max_div;
631 
632 	if (!il_is_alive(il))
633 		return -EAGAIN;
634 
635 	buf = kzalloc(bufsz, GFP_KERNEL);
636 	if (!buf) {
637 		IL_ERR("Can not allocate Buffer\n");
638 		return -ENOMEM;
639 	}
640 
641 	/* the statistic information display here is based on
642 	 * the last stats notification from uCode
643 	 * might not reflect the current uCode activity
644 	 */
645 	general = &il->_4965.stats.general.common;
646 	dbg = &il->_4965.stats.general.common.dbg;
647 	div = &il->_4965.stats.general.common.div;
648 	accum_general = &il->_4965.accum_stats.general.common;
649 	accum_dbg = &il->_4965.accum_stats.general.common.dbg;
650 	accum_div = &il->_4965.accum_stats.general.common.div;
651 	delta_general = &il->_4965.delta_stats.general.common;
652 	max_general = &il->_4965.max_delta.general.common;
653 	delta_dbg = &il->_4965.delta_stats.general.common.dbg;
654 	max_dbg = &il->_4965.max_delta.general.common.dbg;
655 	delta_div = &il->_4965.delta_stats.general.common.div;
656 	max_div = &il->_4965.max_delta.general.common.div;
657 
658 	pos += il4965_stats_flag(il, buf, bufsz);
659 	pos +=
660 	    scnprintf(buf + pos, bufsz - pos, fmt_header,
661 		      "Statistics_General:");
662 	pos +=
663 	    scnprintf(buf + pos, bufsz - pos, fmt_value, "temperature:",
664 		      le32_to_cpu(general->temperature));
665 	pos +=
666 	    scnprintf(buf + pos, bufsz - pos, fmt_value, "ttl_timestamp:",
667 		      le32_to_cpu(general->ttl_timestamp));
668 	pos +=
669 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "burst_check:",
670 		      le32_to_cpu(dbg->burst_check), accum_dbg->burst_check,
671 		      delta_dbg->burst_check, max_dbg->burst_check);
672 	pos +=
673 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "burst_count:",
674 		      le32_to_cpu(dbg->burst_count), accum_dbg->burst_count,
675 		      delta_dbg->burst_count, max_dbg->burst_count);
676 	pos +=
677 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
678 		      "wait_for_silence_timeout_count:",
679 		      le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
680 		      accum_dbg->wait_for_silence_timeout_cnt,
681 		      delta_dbg->wait_for_silence_timeout_cnt,
682 		      max_dbg->wait_for_silence_timeout_cnt);
683 	pos +=
684 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sleep_time:",
685 		      le32_to_cpu(general->sleep_time),
686 		      accum_general->sleep_time, delta_general->sleep_time,
687 		      max_general->sleep_time);
688 	pos +=
689 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "slots_out:",
690 		      le32_to_cpu(general->slots_out), accum_general->slots_out,
691 		      delta_general->slots_out, max_general->slots_out);
692 	pos +=
693 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "slots_idle:",
694 		      le32_to_cpu(general->slots_idle),
695 		      accum_general->slots_idle, delta_general->slots_idle,
696 		      max_general->slots_idle);
697 	pos +=
698 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "tx_on_a:",
699 		      le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
700 		      delta_div->tx_on_a, max_div->tx_on_a);
701 	pos +=
702 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "tx_on_b:",
703 		      le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
704 		      delta_div->tx_on_b, max_div->tx_on_b);
705 	pos +=
706 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "exec_time:",
707 		      le32_to_cpu(div->exec_time), accum_div->exec_time,
708 		      delta_div->exec_time, max_div->exec_time);
709 	pos +=
710 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "probe_time:",
711 		      le32_to_cpu(div->probe_time), accum_div->probe_time,
712 		      delta_div->probe_time, max_div->probe_time);
713 	pos +=
714 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "rx_enable_counter:",
715 		      le32_to_cpu(general->rx_enable_counter),
716 		      accum_general->rx_enable_counter,
717 		      delta_general->rx_enable_counter,
718 		      max_general->rx_enable_counter);
719 	pos +=
720 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "num_of_sos_states:",
721 		      le32_to_cpu(general->num_of_sos_states),
722 		      accum_general->num_of_sos_states,
723 		      delta_general->num_of_sos_states,
724 		      max_general->num_of_sos_states);
725 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
726 	kfree(buf);
727 	return ret;
728 }
729 
730 const struct il_debugfs_ops il4965_debugfs_ops = {
731 	.rx_stats_read = il4965_ucode_rx_stats_read,
732 	.tx_stats_read = il4965_ucode_tx_stats_read,
733 	.general_stats_read = il4965_ucode_general_stats_read,
734 };
735