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 #include "common.h"
29 #include "4965.h"
30 
31 static const char *fmt_value = "  %-30s %10u\n";
32 static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
33 static const char *fmt_header =
34     "%-32s    current  cumulative       delta         max\n";
35 
36 static int
37 il4965_stats_flag(struct il_priv *il, char *buf, int bufsz)
38 {
39 	int p = 0;
40 	u32 flag;
41 
42 	flag = le32_to_cpu(il->_4965.stats.flag);
43 
44 	p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
45 	if (flag & UCODE_STATS_CLEAR_MSK)
46 		p += scnprintf(buf + p, bufsz - p,
47 			       "\tStatistics have been cleared\n");
48 	p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
49 		       (flag & UCODE_STATS_FREQUENCY_MSK) ? "2.4 GHz" :
50 		       "5.2 GHz");
51 	p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
52 		       (flag & UCODE_STATS_NARROW_BAND_MSK) ? "enabled" :
53 		       "disabled");
54 
55 	return p;
56 }
57 
58 static ssize_t
59 il4965_ucode_rx_stats_read(struct file *file, char __user *user_buf,
60 			   size_t count, loff_t *ppos)
61 {
62 	struct il_priv *il = file->private_data;
63 	int pos = 0;
64 	char *buf;
65 	int bufsz =
66 	    sizeof(struct stats_rx_phy) * 40 +
67 	    sizeof(struct stats_rx_non_phy) * 40 +
68 	    sizeof(struct stats_rx_ht_phy) * 40 + 400;
69 	ssize_t ret;
70 	struct stats_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
71 	struct stats_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
72 	struct stats_rx_non_phy *general, *accum_general;
73 	struct stats_rx_non_phy *delta_general, *max_general;
74 	struct stats_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
75 
76 	if (!il_is_alive(il))
77 		return -EAGAIN;
78 
79 	buf = kzalloc(bufsz, GFP_KERNEL);
80 	if (!buf) {
81 		IL_ERR("Can not allocate Buffer\n");
82 		return -ENOMEM;
83 	}
84 
85 	/*
86 	 * the statistic information display here is based on
87 	 * the last stats notification from uCode
88 	 * might not reflect the current uCode activity
89 	 */
90 	ofdm = &il->_4965.stats.rx.ofdm;
91 	cck = &il->_4965.stats.rx.cck;
92 	general = &il->_4965.stats.rx.general;
93 	ht = &il->_4965.stats.rx.ofdm_ht;
94 	accum_ofdm = &il->_4965.accum_stats.rx.ofdm;
95 	accum_cck = &il->_4965.accum_stats.rx.cck;
96 	accum_general = &il->_4965.accum_stats.rx.general;
97 	accum_ht = &il->_4965.accum_stats.rx.ofdm_ht;
98 	delta_ofdm = &il->_4965.delta_stats.rx.ofdm;
99 	delta_cck = &il->_4965.delta_stats.rx.cck;
100 	delta_general = &il->_4965.delta_stats.rx.general;
101 	delta_ht = &il->_4965.delta_stats.rx.ofdm_ht;
102 	max_ofdm = &il->_4965.max_delta.rx.ofdm;
103 	max_cck = &il->_4965.max_delta.rx.cck;
104 	max_general = &il->_4965.max_delta.rx.general;
105 	max_ht = &il->_4965.max_delta.rx.ofdm_ht;
106 
107 	pos += il4965_stats_flag(il, buf, bufsz);
108 	pos +=
109 	    scnprintf(buf + pos, bufsz - pos, fmt_header,
110 		      "Statistics_Rx - OFDM:");
111 	pos +=
112 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "ina_cnt:",
113 		      le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt,
114 		      delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
115 	pos +=
116 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_cnt:",
117 		      le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
118 		      delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
119 	pos +=
120 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
121 		      le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
122 		      delta_ofdm->plcp_err, max_ofdm->plcp_err);
123 	pos +=
124 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
125 		      le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
126 		      delta_ofdm->crc32_err, max_ofdm->crc32_err);
127 	pos +=
128 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
129 		      le32_to_cpu(ofdm->overrun_err), accum_ofdm->overrun_err,
130 		      delta_ofdm->overrun_err, max_ofdm->overrun_err);
131 	pos +=
132 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
133 		      le32_to_cpu(ofdm->early_overrun_err),
134 		      accum_ofdm->early_overrun_err,
135 		      delta_ofdm->early_overrun_err,
136 		      max_ofdm->early_overrun_err);
137 	pos +=
138 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
139 		      le32_to_cpu(ofdm->crc32_good), accum_ofdm->crc32_good,
140 		      delta_ofdm->crc32_good, max_ofdm->crc32_good);
141 	pos +=
142 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "false_alarm_cnt:",
143 		      le32_to_cpu(ofdm->false_alarm_cnt),
144 		      accum_ofdm->false_alarm_cnt, delta_ofdm->false_alarm_cnt,
145 		      max_ofdm->false_alarm_cnt);
146 	pos +=
147 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_sync_err_cnt:",
148 		      le32_to_cpu(ofdm->fina_sync_err_cnt),
149 		      accum_ofdm->fina_sync_err_cnt,
150 		      delta_ofdm->fina_sync_err_cnt,
151 		      max_ofdm->fina_sync_err_cnt);
152 	pos +=
153 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sfd_timeout:",
154 		      le32_to_cpu(ofdm->sfd_timeout), accum_ofdm->sfd_timeout,
155 		      delta_ofdm->sfd_timeout, max_ofdm->sfd_timeout);
156 	pos +=
157 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_timeout:",
158 		      le32_to_cpu(ofdm->fina_timeout), accum_ofdm->fina_timeout,
159 		      delta_ofdm->fina_timeout, max_ofdm->fina_timeout);
160 	pos +=
161 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "unresponded_rts:",
162 		      le32_to_cpu(ofdm->unresponded_rts),
163 		      accum_ofdm->unresponded_rts, delta_ofdm->unresponded_rts,
164 		      max_ofdm->unresponded_rts);
165 	pos +=
166 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "rxe_frame_lmt_ovrun:",
167 		      le32_to_cpu(ofdm->rxe_frame_limit_overrun),
168 		      accum_ofdm->rxe_frame_limit_overrun,
169 		      delta_ofdm->rxe_frame_limit_overrun,
170 		      max_ofdm->rxe_frame_limit_overrun);
171 	pos +=
172 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ack_cnt:",
173 		      le32_to_cpu(ofdm->sent_ack_cnt), accum_ofdm->sent_ack_cnt,
174 		      delta_ofdm->sent_ack_cnt, max_ofdm->sent_ack_cnt);
175 	pos +=
176 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_cts_cnt:",
177 		      le32_to_cpu(ofdm->sent_cts_cnt), accum_ofdm->sent_cts_cnt,
178 		      delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
179 	pos +=
180 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ba_rsp_cnt:",
181 		      le32_to_cpu(ofdm->sent_ba_rsp_cnt),
182 		      accum_ofdm->sent_ba_rsp_cnt, delta_ofdm->sent_ba_rsp_cnt,
183 		      max_ofdm->sent_ba_rsp_cnt);
184 	pos +=
185 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_self_kill:",
186 		      le32_to_cpu(ofdm->dsp_self_kill),
187 		      accum_ofdm->dsp_self_kill, delta_ofdm->dsp_self_kill,
188 		      max_ofdm->dsp_self_kill);
189 	pos +=
190 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
191 		      le32_to_cpu(ofdm->mh_format_err),
192 		      accum_ofdm->mh_format_err, delta_ofdm->mh_format_err,
193 		      max_ofdm->mh_format_err);
194 	pos +=
195 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
196 		      "re_acq_main_rssi_sum:",
197 		      le32_to_cpu(ofdm->re_acq_main_rssi_sum),
198 		      accum_ofdm->re_acq_main_rssi_sum,
199 		      delta_ofdm->re_acq_main_rssi_sum,
200 		      max_ofdm->re_acq_main_rssi_sum);
201 
202 	pos +=
203 	    scnprintf(buf + pos, bufsz - pos, fmt_header,
204 		      "Statistics_Rx - CCK:");
205 	pos +=
206 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "ina_cnt:",
207 		      le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
208 		      delta_cck->ina_cnt, max_cck->ina_cnt);
209 	pos +=
210 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_cnt:",
211 		      le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
212 		      delta_cck->fina_cnt, max_cck->fina_cnt);
213 	pos +=
214 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
215 		      le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
216 		      delta_cck->plcp_err, max_cck->plcp_err);
217 	pos +=
218 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
219 		      le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
220 		      delta_cck->crc32_err, max_cck->crc32_err);
221 	pos +=
222 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
223 		      le32_to_cpu(cck->overrun_err), accum_cck->overrun_err,
224 		      delta_cck->overrun_err, max_cck->overrun_err);
225 	pos +=
226 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
227 		      le32_to_cpu(cck->early_overrun_err),
228 		      accum_cck->early_overrun_err,
229 		      delta_cck->early_overrun_err, max_cck->early_overrun_err);
230 	pos +=
231 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
232 		      le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
233 		      delta_cck->crc32_good, max_cck->crc32_good);
234 	pos +=
235 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "false_alarm_cnt:",
236 		      le32_to_cpu(cck->false_alarm_cnt),
237 		      accum_cck->false_alarm_cnt, delta_cck->false_alarm_cnt,
238 		      max_cck->false_alarm_cnt);
239 	pos +=
240 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "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, max_cck->fina_sync_err_cnt);
244 	pos +=
245 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sfd_timeout:",
246 		      le32_to_cpu(cck->sfd_timeout), accum_cck->sfd_timeout,
247 		      delta_cck->sfd_timeout, max_cck->sfd_timeout);
248 	pos +=
249 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_timeout:",
250 		      le32_to_cpu(cck->fina_timeout), accum_cck->fina_timeout,
251 		      delta_cck->fina_timeout, max_cck->fina_timeout);
252 	pos +=
253 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "unresponded_rts:",
254 		      le32_to_cpu(cck->unresponded_rts),
255 		      accum_cck->unresponded_rts, delta_cck->unresponded_rts,
256 		      max_cck->unresponded_rts);
257 	pos +=
258 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "rxe_frame_lmt_ovrun:",
259 		      le32_to_cpu(cck->rxe_frame_limit_overrun),
260 		      accum_cck->rxe_frame_limit_overrun,
261 		      delta_cck->rxe_frame_limit_overrun,
262 		      max_cck->rxe_frame_limit_overrun);
263 	pos +=
264 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ack_cnt:",
265 		      le32_to_cpu(cck->sent_ack_cnt), accum_cck->sent_ack_cnt,
266 		      delta_cck->sent_ack_cnt, max_cck->sent_ack_cnt);
267 	pos +=
268 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_cts_cnt:",
269 		      le32_to_cpu(cck->sent_cts_cnt), accum_cck->sent_cts_cnt,
270 		      delta_cck->sent_cts_cnt, max_cck->sent_cts_cnt);
271 	pos +=
272 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ba_rsp_cnt:",
273 		      le32_to_cpu(cck->sent_ba_rsp_cnt),
274 		      accum_cck->sent_ba_rsp_cnt, delta_cck->sent_ba_rsp_cnt,
275 		      max_cck->sent_ba_rsp_cnt);
276 	pos +=
277 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_self_kill:",
278 		      le32_to_cpu(cck->dsp_self_kill), accum_cck->dsp_self_kill,
279 		      delta_cck->dsp_self_kill, max_cck->dsp_self_kill);
280 	pos +=
281 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
282 		      le32_to_cpu(cck->mh_format_err), accum_cck->mh_format_err,
283 		      delta_cck->mh_format_err, max_cck->mh_format_err);
284 	pos +=
285 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
286 		      "re_acq_main_rssi_sum:",
287 		      le32_to_cpu(cck->re_acq_main_rssi_sum),
288 		      accum_cck->re_acq_main_rssi_sum,
289 		      delta_cck->re_acq_main_rssi_sum,
290 		      max_cck->re_acq_main_rssi_sum);
291 
292 	pos +=
293 	    scnprintf(buf + pos, bufsz - pos, fmt_header,
294 		      "Statistics_Rx - GENERAL:");
295 	pos +=
296 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "bogus_cts:",
297 		      le32_to_cpu(general->bogus_cts), accum_general->bogus_cts,
298 		      delta_general->bogus_cts, max_general->bogus_cts);
299 	pos +=
300 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "bogus_ack:",
301 		      le32_to_cpu(general->bogus_ack), accum_general->bogus_ack,
302 		      delta_general->bogus_ack, max_general->bogus_ack);
303 	pos +=
304 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "non_bssid_frames:",
305 		      le32_to_cpu(general->non_bssid_frames),
306 		      accum_general->non_bssid_frames,
307 		      delta_general->non_bssid_frames,
308 		      max_general->non_bssid_frames);
309 	pos +=
310 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "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 +=
316 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "non_channel_beacons:",
317 		      le32_to_cpu(general->non_channel_beacons),
318 		      accum_general->non_channel_beacons,
319 		      delta_general->non_channel_beacons,
320 		      max_general->non_channel_beacons);
321 	pos +=
322 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "channel_beacons:",
323 		      le32_to_cpu(general->channel_beacons),
324 		      accum_general->channel_beacons,
325 		      delta_general->channel_beacons,
326 		      max_general->channel_beacons);
327 	pos +=
328 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "num_missed_bcon:",
329 		      le32_to_cpu(general->num_missed_bcon),
330 		      accum_general->num_missed_bcon,
331 		      delta_general->num_missed_bcon,
332 		      max_general->num_missed_bcon);
333 	pos +=
334 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
335 		      "adc_rx_saturation_time:",
336 		      le32_to_cpu(general->adc_rx_saturation_time),
337 		      accum_general->adc_rx_saturation_time,
338 		      delta_general->adc_rx_saturation_time,
339 		      max_general->adc_rx_saturation_time);
340 	pos +=
341 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
342 		      "ina_detect_search_tm:",
343 		      le32_to_cpu(general->ina_detection_search_time),
344 		      accum_general->ina_detection_search_time,
345 		      delta_general->ina_detection_search_time,
346 		      max_general->ina_detection_search_time);
347 	pos +=
348 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
349 		      "beacon_silence_rssi_a:",
350 		      le32_to_cpu(general->beacon_silence_rssi_a),
351 		      accum_general->beacon_silence_rssi_a,
352 		      delta_general->beacon_silence_rssi_a,
353 		      max_general->beacon_silence_rssi_a);
354 	pos +=
355 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
356 		      "beacon_silence_rssi_b:",
357 		      le32_to_cpu(general->beacon_silence_rssi_b),
358 		      accum_general->beacon_silence_rssi_b,
359 		      delta_general->beacon_silence_rssi_b,
360 		      max_general->beacon_silence_rssi_b);
361 	pos +=
362 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
363 		      "beacon_silence_rssi_c:",
364 		      le32_to_cpu(general->beacon_silence_rssi_c),
365 		      accum_general->beacon_silence_rssi_c,
366 		      delta_general->beacon_silence_rssi_c,
367 		      max_general->beacon_silence_rssi_c);
368 	pos +=
369 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
370 		      "interference_data_flag:",
371 		      le32_to_cpu(general->interference_data_flag),
372 		      accum_general->interference_data_flag,
373 		      delta_general->interference_data_flag,
374 		      max_general->interference_data_flag);
375 	pos +=
376 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "channel_load:",
377 		      le32_to_cpu(general->channel_load),
378 		      accum_general->channel_load, delta_general->channel_load,
379 		      max_general->channel_load);
380 	pos +=
381 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_false_alarms:",
382 		      le32_to_cpu(general->dsp_false_alarms),
383 		      accum_general->dsp_false_alarms,
384 		      delta_general->dsp_false_alarms,
385 		      max_general->dsp_false_alarms);
386 	pos +=
387 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_a:",
388 		      le32_to_cpu(general->beacon_rssi_a),
389 		      accum_general->beacon_rssi_a,
390 		      delta_general->beacon_rssi_a, max_general->beacon_rssi_a);
391 	pos +=
392 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_b:",
393 		      le32_to_cpu(general->beacon_rssi_b),
394 		      accum_general->beacon_rssi_b,
395 		      delta_general->beacon_rssi_b, max_general->beacon_rssi_b);
396 	pos +=
397 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_c:",
398 		      le32_to_cpu(general->beacon_rssi_c),
399 		      accum_general->beacon_rssi_c,
400 		      delta_general->beacon_rssi_c, max_general->beacon_rssi_c);
401 	pos +=
402 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_a:",
403 		      le32_to_cpu(general->beacon_energy_a),
404 		      accum_general->beacon_energy_a,
405 		      delta_general->beacon_energy_a,
406 		      max_general->beacon_energy_a);
407 	pos +=
408 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_b:",
409 		      le32_to_cpu(general->beacon_energy_b),
410 		      accum_general->beacon_energy_b,
411 		      delta_general->beacon_energy_b,
412 		      max_general->beacon_energy_b);
413 	pos +=
414 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_c:",
415 		      le32_to_cpu(general->beacon_energy_c),
416 		      accum_general->beacon_energy_c,
417 		      delta_general->beacon_energy_c,
418 		      max_general->beacon_energy_c);
419 
420 	pos +=
421 	    scnprintf(buf + pos, bufsz - pos, fmt_header,
422 		      "Statistics_Rx - OFDM_HT:");
423 	pos +=
424 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
425 		      le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
426 		      delta_ht->plcp_err, max_ht->plcp_err);
427 	pos +=
428 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
429 		      le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
430 		      delta_ht->overrun_err, max_ht->overrun_err);
431 	pos +=
432 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
433 		      le32_to_cpu(ht->early_overrun_err),
434 		      accum_ht->early_overrun_err, delta_ht->early_overrun_err,
435 		      max_ht->early_overrun_err);
436 	pos +=
437 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
438 		      le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
439 		      delta_ht->crc32_good, max_ht->crc32_good);
440 	pos +=
441 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
442 		      le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
443 		      delta_ht->crc32_err, max_ht->crc32_err);
444 	pos +=
445 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
446 		      le32_to_cpu(ht->mh_format_err), accum_ht->mh_format_err,
447 		      delta_ht->mh_format_err, max_ht->mh_format_err);
448 	pos +=
449 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_crc32_good:",
450 		      le32_to_cpu(ht->agg_crc32_good), accum_ht->agg_crc32_good,
451 		      delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
452 	pos +=
453 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_mpdu_cnt:",
454 		      le32_to_cpu(ht->agg_mpdu_cnt), accum_ht->agg_mpdu_cnt,
455 		      delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
456 	pos +=
457 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_cnt:",
458 		      le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
459 		      delta_ht->agg_cnt, max_ht->agg_cnt);
460 	pos +=
461 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "unsupport_mcs:",
462 		      le32_to_cpu(ht->unsupport_mcs), accum_ht->unsupport_mcs,
463 		      delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
464 
465 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
466 	kfree(buf);
467 	return ret;
468 }
469 
470 static ssize_t
471 il4965_ucode_tx_stats_read(struct file *file, char __user *user_buf,
472 			   size_t count, loff_t *ppos)
473 {
474 	struct il_priv *il = file->private_data;
475 	int pos = 0;
476 	char *buf;
477 	int bufsz = (sizeof(struct stats_tx) * 48) + 250;
478 	ssize_t ret;
479 	struct stats_tx *tx, *accum_tx, *delta_tx, *max_tx;
480 
481 	if (!il_is_alive(il))
482 		return -EAGAIN;
483 
484 	buf = kzalloc(bufsz, GFP_KERNEL);
485 	if (!buf) {
486 		IL_ERR("Can not allocate Buffer\n");
487 		return -ENOMEM;
488 	}
489 
490 	/* the statistic information display here is based on
491 	 * the last stats notification from uCode
492 	 * might not reflect the current uCode activity
493 	 */
494 	tx = &il->_4965.stats.tx;
495 	accum_tx = &il->_4965.accum_stats.tx;
496 	delta_tx = &il->_4965.delta_stats.tx;
497 	max_tx = &il->_4965.max_delta.tx;
498 
499 	pos += il4965_stats_flag(il, buf, bufsz);
500 	pos += scnprintf(buf + pos, bufsz - pos, fmt_header, "Statistics_Tx:");
501 	pos +=
502 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "preamble:",
503 		      le32_to_cpu(tx->preamble_cnt), accum_tx->preamble_cnt,
504 		      delta_tx->preamble_cnt, max_tx->preamble_cnt);
505 	pos +=
506 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "rx_detected_cnt:",
507 		      le32_to_cpu(tx->rx_detected_cnt),
508 		      accum_tx->rx_detected_cnt, delta_tx->rx_detected_cnt,
509 		      max_tx->rx_detected_cnt);
510 	pos +=
511 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "bt_prio_defer_cnt:",
512 		      le32_to_cpu(tx->bt_prio_defer_cnt),
513 		      accum_tx->bt_prio_defer_cnt, delta_tx->bt_prio_defer_cnt,
514 		      max_tx->bt_prio_defer_cnt);
515 	pos +=
516 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "bt_prio_kill_cnt:",
517 		      le32_to_cpu(tx->bt_prio_kill_cnt),
518 		      accum_tx->bt_prio_kill_cnt, delta_tx->bt_prio_kill_cnt,
519 		      max_tx->bt_prio_kill_cnt);
520 	pos +=
521 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "few_bytes_cnt:",
522 		      le32_to_cpu(tx->few_bytes_cnt), accum_tx->few_bytes_cnt,
523 		      delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
524 	pos +=
525 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "cts_timeout:",
526 		      le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
527 		      delta_tx->cts_timeout, max_tx->cts_timeout);
528 	pos +=
529 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "ack_timeout:",
530 		      le32_to_cpu(tx->ack_timeout), accum_tx->ack_timeout,
531 		      delta_tx->ack_timeout, max_tx->ack_timeout);
532 	pos +=
533 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "expected_ack_cnt:",
534 		      le32_to_cpu(tx->expected_ack_cnt),
535 		      accum_tx->expected_ack_cnt, delta_tx->expected_ack_cnt,
536 		      max_tx->expected_ack_cnt);
537 	pos +=
538 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "actual_ack_cnt:",
539 		      le32_to_cpu(tx->actual_ack_cnt), accum_tx->actual_ack_cnt,
540 		      delta_tx->actual_ack_cnt, max_tx->actual_ack_cnt);
541 	pos +=
542 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "dump_msdu_cnt:",
543 		      le32_to_cpu(tx->dump_msdu_cnt), accum_tx->dump_msdu_cnt,
544 		      delta_tx->dump_msdu_cnt, max_tx->dump_msdu_cnt);
545 	pos +=
546 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
547 		      "abort_nxt_frame_mismatch:",
548 		      le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
549 		      accum_tx->burst_abort_next_frame_mismatch_cnt,
550 		      delta_tx->burst_abort_next_frame_mismatch_cnt,
551 		      max_tx->burst_abort_next_frame_mismatch_cnt);
552 	pos +=
553 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
554 		      "abort_missing_nxt_frame:",
555 		      le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
556 		      accum_tx->burst_abort_missing_next_frame_cnt,
557 		      delta_tx->burst_abort_missing_next_frame_cnt,
558 		      max_tx->burst_abort_missing_next_frame_cnt);
559 	pos +=
560 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
561 		      "cts_timeout_collision:",
562 		      le32_to_cpu(tx->cts_timeout_collision),
563 		      accum_tx->cts_timeout_collision,
564 		      delta_tx->cts_timeout_collision,
565 		      max_tx->cts_timeout_collision);
566 	pos +=
567 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
568 		      "ack_ba_timeout_collision:",
569 		      le32_to_cpu(tx->ack_or_ba_timeout_collision),
570 		      accum_tx->ack_or_ba_timeout_collision,
571 		      delta_tx->ack_or_ba_timeout_collision,
572 		      max_tx->ack_or_ba_timeout_collision);
573 	pos +=
574 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg ba_timeout:",
575 		      le32_to_cpu(tx->agg.ba_timeout), accum_tx->agg.ba_timeout,
576 		      delta_tx->agg.ba_timeout, max_tx->agg.ba_timeout);
577 	pos +=
578 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
579 		      "agg ba_resched_frames:",
580 		      le32_to_cpu(tx->agg.ba_reschedule_frames),
581 		      accum_tx->agg.ba_reschedule_frames,
582 		      delta_tx->agg.ba_reschedule_frames,
583 		      max_tx->agg.ba_reschedule_frames);
584 	pos +=
585 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
586 		      "agg scd_query_agg_frame:",
587 		      le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
588 		      accum_tx->agg.scd_query_agg_frame_cnt,
589 		      delta_tx->agg.scd_query_agg_frame_cnt,
590 		      max_tx->agg.scd_query_agg_frame_cnt);
591 	pos +=
592 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
593 		      "agg scd_query_no_agg:",
594 		      le32_to_cpu(tx->agg.scd_query_no_agg),
595 		      accum_tx->agg.scd_query_no_agg,
596 		      delta_tx->agg.scd_query_no_agg,
597 		      max_tx->agg.scd_query_no_agg);
598 	pos +=
599 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg scd_query_agg:",
600 		      le32_to_cpu(tx->agg.scd_query_agg),
601 		      accum_tx->agg.scd_query_agg, delta_tx->agg.scd_query_agg,
602 		      max_tx->agg.scd_query_agg);
603 	pos +=
604 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
605 		      "agg scd_query_mismatch:",
606 		      le32_to_cpu(tx->agg.scd_query_mismatch),
607 		      accum_tx->agg.scd_query_mismatch,
608 		      delta_tx->agg.scd_query_mismatch,
609 		      max_tx->agg.scd_query_mismatch);
610 	pos +=
611 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg frame_not_ready:",
612 		      le32_to_cpu(tx->agg.frame_not_ready),
613 		      accum_tx->agg.frame_not_ready,
614 		      delta_tx->agg.frame_not_ready,
615 		      max_tx->agg.frame_not_ready);
616 	pos +=
617 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg underrun:",
618 		      le32_to_cpu(tx->agg.underrun), accum_tx->agg.underrun,
619 		      delta_tx->agg.underrun, max_tx->agg.underrun);
620 	pos +=
621 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg bt_prio_kill:",
622 		      le32_to_cpu(tx->agg.bt_prio_kill),
623 		      accum_tx->agg.bt_prio_kill, delta_tx->agg.bt_prio_kill,
624 		      max_tx->agg.bt_prio_kill);
625 	pos +=
626 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "agg rx_ba_rsp_cnt:",
627 		      le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
628 		      accum_tx->agg.rx_ba_rsp_cnt, delta_tx->agg.rx_ba_rsp_cnt,
629 		      max_tx->agg.rx_ba_rsp_cnt);
630 
631 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
632 	kfree(buf);
633 	return ret;
634 }
635 
636 static ssize_t
637 il4965_ucode_general_stats_read(struct file *file, char __user *user_buf,
638 				size_t count, loff_t *ppos)
639 {
640 	struct il_priv *il = file->private_data;
641 	int pos = 0;
642 	char *buf;
643 	int bufsz = sizeof(struct stats_general) * 10 + 300;
644 	ssize_t ret;
645 	struct stats_general_common *general, *accum_general;
646 	struct stats_general_common *delta_general, *max_general;
647 	struct stats_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
648 	struct stats_div *div, *accum_div, *delta_div, *max_div;
649 
650 	if (!il_is_alive(il))
651 		return -EAGAIN;
652 
653 	buf = kzalloc(bufsz, GFP_KERNEL);
654 	if (!buf) {
655 		IL_ERR("Can not allocate Buffer\n");
656 		return -ENOMEM;
657 	}
658 
659 	/* the statistic information display here is based on
660 	 * the last stats notification from uCode
661 	 * might not reflect the current uCode activity
662 	 */
663 	general = &il->_4965.stats.general.common;
664 	dbg = &il->_4965.stats.general.common.dbg;
665 	div = &il->_4965.stats.general.common.div;
666 	accum_general = &il->_4965.accum_stats.general.common;
667 	accum_dbg = &il->_4965.accum_stats.general.common.dbg;
668 	accum_div = &il->_4965.accum_stats.general.common.div;
669 	delta_general = &il->_4965.delta_stats.general.common;
670 	max_general = &il->_4965.max_delta.general.common;
671 	delta_dbg = &il->_4965.delta_stats.general.common.dbg;
672 	max_dbg = &il->_4965.max_delta.general.common.dbg;
673 	delta_div = &il->_4965.delta_stats.general.common.div;
674 	max_div = &il->_4965.max_delta.general.common.div;
675 
676 	pos += il4965_stats_flag(il, buf, bufsz);
677 	pos +=
678 	    scnprintf(buf + pos, bufsz - pos, fmt_header,
679 		      "Statistics_General:");
680 	pos +=
681 	    scnprintf(buf + pos, bufsz - pos, fmt_value, "temperature:",
682 		      le32_to_cpu(general->temperature));
683 	pos +=
684 	    scnprintf(buf + pos, bufsz - pos, fmt_value, "ttl_timestamp:",
685 		      le32_to_cpu(general->ttl_timestamp));
686 	pos +=
687 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "burst_check:",
688 		      le32_to_cpu(dbg->burst_check), accum_dbg->burst_check,
689 		      delta_dbg->burst_check, max_dbg->burst_check);
690 	pos +=
691 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "burst_count:",
692 		      le32_to_cpu(dbg->burst_count), accum_dbg->burst_count,
693 		      delta_dbg->burst_count, max_dbg->burst_count);
694 	pos +=
695 	    scnprintf(buf + pos, bufsz - pos, fmt_table,
696 		      "wait_for_silence_timeout_count:",
697 		      le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
698 		      accum_dbg->wait_for_silence_timeout_cnt,
699 		      delta_dbg->wait_for_silence_timeout_cnt,
700 		      max_dbg->wait_for_silence_timeout_cnt);
701 	pos +=
702 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "sleep_time:",
703 		      le32_to_cpu(general->sleep_time),
704 		      accum_general->sleep_time, delta_general->sleep_time,
705 		      max_general->sleep_time);
706 	pos +=
707 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "slots_out:",
708 		      le32_to_cpu(general->slots_out), accum_general->slots_out,
709 		      delta_general->slots_out, max_general->slots_out);
710 	pos +=
711 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "slots_idle:",
712 		      le32_to_cpu(general->slots_idle),
713 		      accum_general->slots_idle, delta_general->slots_idle,
714 		      max_general->slots_idle);
715 	pos +=
716 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "tx_on_a:",
717 		      le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
718 		      delta_div->tx_on_a, max_div->tx_on_a);
719 	pos +=
720 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "tx_on_b:",
721 		      le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
722 		      delta_div->tx_on_b, max_div->tx_on_b);
723 	pos +=
724 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "exec_time:",
725 		      le32_to_cpu(div->exec_time), accum_div->exec_time,
726 		      delta_div->exec_time, max_div->exec_time);
727 	pos +=
728 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "probe_time:",
729 		      le32_to_cpu(div->probe_time), accum_div->probe_time,
730 		      delta_div->probe_time, max_div->probe_time);
731 	pos +=
732 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "rx_enable_counter:",
733 		      le32_to_cpu(general->rx_enable_counter),
734 		      accum_general->rx_enable_counter,
735 		      delta_general->rx_enable_counter,
736 		      max_general->rx_enable_counter);
737 	pos +=
738 	    scnprintf(buf + pos, bufsz - pos, fmt_table, "num_of_sos_states:",
739 		      le32_to_cpu(general->num_of_sos_states),
740 		      accum_general->num_of_sos_states,
741 		      delta_general->num_of_sos_states,
742 		      max_general->num_of_sos_states);
743 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
744 	kfree(buf);
745 	return ret;
746 }
747 
748 const struct il_debugfs_ops il4965_debugfs_ops = {
749 	.rx_stats_read = il4965_ucode_rx_stats_read,
750 	.tx_stats_read = il4965_ucode_tx_stats_read,
751 	.general_stats_read = il4965_ucode_general_stats_read,
752 };
753