Merge tag 'printk-for-5.11-printk-rework-fixup' of git://git.kernel.org/pub/scm/linux...
[linux-2.6-microblaze.git] / net / mac80211 / debugfs.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * mac80211 debugfs for wireless PHYs
4  *
5  * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
6  * Copyright 2013-2014  Intel Mobile Communications GmbH
7  * Copyright (C) 2018 - 2019 Intel Corporation
8  */
9
10 #include <linux/debugfs.h>
11 #include <linux/rtnetlink.h>
12 #include <linux/vmalloc.h>
13 #include "ieee80211_i.h"
14 #include "driver-ops.h"
15 #include "rate.h"
16 #include "debugfs.h"
17
18 #define DEBUGFS_FORMAT_BUFFER_SIZE 100
19
20 int mac80211_format_buffer(char __user *userbuf, size_t count,
21                                   loff_t *ppos, char *fmt, ...)
22 {
23         va_list args;
24         char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
25         int res;
26
27         va_start(args, fmt);
28         res = vscnprintf(buf, sizeof(buf), fmt, args);
29         va_end(args);
30
31         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
32 }
33
34 #define DEBUGFS_READONLY_FILE_FN(name, fmt, value...)                   \
35 static ssize_t name## _read(struct file *file, char __user *userbuf,    \
36                             size_t count, loff_t *ppos)                 \
37 {                                                                       \
38         struct ieee80211_local *local = file->private_data;             \
39                                                                         \
40         return mac80211_format_buffer(userbuf, count, ppos,             \
41                                       fmt "\n", ##value);               \
42 }
43
44 #define DEBUGFS_READONLY_FILE_OPS(name)                 \
45 static const struct file_operations name## _ops = {                     \
46         .read = name## _read,                                           \
47         .open = simple_open,                                            \
48         .llseek = generic_file_llseek,                                  \
49 };
50
51 #define DEBUGFS_READONLY_FILE(name, fmt, value...)              \
52         DEBUGFS_READONLY_FILE_FN(name, fmt, value)              \
53         DEBUGFS_READONLY_FILE_OPS(name)
54
55 #define DEBUGFS_ADD(name)                                               \
56         debugfs_create_file(#name, 0400, phyd, local, &name## _ops)
57
58 #define DEBUGFS_ADD_MODE(name, mode)                                    \
59         debugfs_create_file(#name, mode, phyd, local, &name## _ops);
60
61
62 DEBUGFS_READONLY_FILE(hw_conf, "%x",
63                       local->hw.conf.flags);
64 DEBUGFS_READONLY_FILE(user_power, "%d",
65                       local->user_power_level);
66 DEBUGFS_READONLY_FILE(power, "%d",
67                       local->hw.conf.power_level);
68 DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
69                       local->total_ps_buffered);
70 DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
71                       local->wep_iv & 0xffffff);
72 DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
73         local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
74
75 static ssize_t aqm_read(struct file *file,
76                         char __user *user_buf,
77                         size_t count,
78                         loff_t *ppos)
79 {
80         struct ieee80211_local *local = file->private_data;
81         struct fq *fq = &local->fq;
82         char buf[200];
83         int len = 0;
84
85         spin_lock_bh(&local->fq.lock);
86         rcu_read_lock();
87
88         len = scnprintf(buf, sizeof(buf),
89                         "access name value\n"
90                         "R fq_flows_cnt %u\n"
91                         "R fq_backlog %u\n"
92                         "R fq_overlimit %u\n"
93                         "R fq_overmemory %u\n"
94                         "R fq_collisions %u\n"
95                         "R fq_memory_usage %u\n"
96                         "RW fq_memory_limit %u\n"
97                         "RW fq_limit %u\n"
98                         "RW fq_quantum %u\n",
99                         fq->flows_cnt,
100                         fq->backlog,
101                         fq->overmemory,
102                         fq->overlimit,
103                         fq->collisions,
104                         fq->memory_usage,
105                         fq->memory_limit,
106                         fq->limit,
107                         fq->quantum);
108
109         rcu_read_unlock();
110         spin_unlock_bh(&local->fq.lock);
111
112         return simple_read_from_buffer(user_buf, count, ppos,
113                                        buf, len);
114 }
115
116 static ssize_t aqm_write(struct file *file,
117                          const char __user *user_buf,
118                          size_t count,
119                          loff_t *ppos)
120 {
121         struct ieee80211_local *local = file->private_data;
122         char buf[100];
123
124         if (count >= sizeof(buf))
125                 return -EINVAL;
126
127         if (copy_from_user(buf, user_buf, count))
128                 return -EFAULT;
129
130         if (count && buf[count - 1] == '\n')
131                 buf[count - 1] = '\0';
132         else
133                 buf[count] = '\0';
134
135         if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1)
136                 return count;
137         else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1)
138                 return count;
139         else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1)
140                 return count;
141
142         return -EINVAL;
143 }
144
145 static const struct file_operations aqm_ops = {
146         .write = aqm_write,
147         .read = aqm_read,
148         .open = simple_open,
149         .llseek = default_llseek,
150 };
151
152 static ssize_t airtime_flags_read(struct file *file,
153                                   char __user *user_buf,
154                                   size_t count, loff_t *ppos)
155 {
156         struct ieee80211_local *local = file->private_data;
157         char buf[128] = {}, *pos, *end;
158
159         pos = buf;
160         end = pos + sizeof(buf) - 1;
161
162         if (local->airtime_flags & AIRTIME_USE_TX)
163                 pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n",
164                                  AIRTIME_USE_TX);
165         if (local->airtime_flags & AIRTIME_USE_RX)
166                 pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n",
167                                  AIRTIME_USE_RX);
168
169         return simple_read_from_buffer(user_buf, count, ppos, buf,
170                                        strlen(buf));
171 }
172
173 static ssize_t airtime_flags_write(struct file *file,
174                                    const char __user *user_buf,
175                                    size_t count, loff_t *ppos)
176 {
177         struct ieee80211_local *local = file->private_data;
178         char buf[16];
179
180         if (count >= sizeof(buf))
181                 return -EINVAL;
182
183         if (copy_from_user(buf, user_buf, count))
184                 return -EFAULT;
185
186         if (count && buf[count - 1] == '\n')
187                 buf[count - 1] = '\0';
188         else
189                 buf[count] = '\0';
190
191         if (kstrtou16(buf, 0, &local->airtime_flags))
192                 return -EINVAL;
193
194         return count;
195 }
196
197 static const struct file_operations airtime_flags_ops = {
198         .write = airtime_flags_write,
199         .read = airtime_flags_read,
200         .open = simple_open,
201         .llseek = default_llseek,
202 };
203
204 static ssize_t aql_txq_limit_read(struct file *file,
205                                   char __user *user_buf,
206                                   size_t count,
207                                   loff_t *ppos)
208 {
209         struct ieee80211_local *local = file->private_data;
210         char buf[400];
211         int len = 0;
212
213         len = scnprintf(buf, sizeof(buf),
214                         "AC     AQL limit low   AQL limit high\n"
215                         "VO     %u              %u\n"
216                         "VI     %u              %u\n"
217                         "BE     %u              %u\n"
218                         "BK     %u              %u\n",
219                         local->aql_txq_limit_low[IEEE80211_AC_VO],
220                         local->aql_txq_limit_high[IEEE80211_AC_VO],
221                         local->aql_txq_limit_low[IEEE80211_AC_VI],
222                         local->aql_txq_limit_high[IEEE80211_AC_VI],
223                         local->aql_txq_limit_low[IEEE80211_AC_BE],
224                         local->aql_txq_limit_high[IEEE80211_AC_BE],
225                         local->aql_txq_limit_low[IEEE80211_AC_BK],
226                         local->aql_txq_limit_high[IEEE80211_AC_BK]);
227         return simple_read_from_buffer(user_buf, count, ppos,
228                                        buf, len);
229 }
230
231 static ssize_t aql_txq_limit_write(struct file *file,
232                                    const char __user *user_buf,
233                                    size_t count,
234                                    loff_t *ppos)
235 {
236         struct ieee80211_local *local = file->private_data;
237         char buf[100];
238         u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old;
239         struct sta_info *sta;
240
241         if (count >= sizeof(buf))
242                 return -EINVAL;
243
244         if (copy_from_user(buf, user_buf, count))
245                 return -EFAULT;
246
247         if (count && buf[count - 1] == '\n')
248                 buf[count - 1] = '\0';
249         else
250                 buf[count] = '\0';
251
252         if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3)
253                 return -EINVAL;
254
255         if (ac >= IEEE80211_NUM_ACS)
256                 return -EINVAL;
257
258         q_limit_low_old = local->aql_txq_limit_low[ac];
259         q_limit_high_old = local->aql_txq_limit_high[ac];
260
261         local->aql_txq_limit_low[ac] = q_limit_low;
262         local->aql_txq_limit_high[ac] = q_limit_high;
263
264         mutex_lock(&local->sta_mtx);
265         list_for_each_entry(sta, &local->sta_list, list) {
266                 /* If a sta has customized queue limits, keep it */
267                 if (sta->airtime[ac].aql_limit_low == q_limit_low_old &&
268                     sta->airtime[ac].aql_limit_high == q_limit_high_old) {
269                         sta->airtime[ac].aql_limit_low = q_limit_low;
270                         sta->airtime[ac].aql_limit_high = q_limit_high;
271                 }
272         }
273         mutex_unlock(&local->sta_mtx);
274         return count;
275 }
276
277 static const struct file_operations aql_txq_limit_ops = {
278         .write = aql_txq_limit_write,
279         .read = aql_txq_limit_read,
280         .open = simple_open,
281         .llseek = default_llseek,
282 };
283
284 static ssize_t force_tx_status_read(struct file *file,
285                                     char __user *user_buf,
286                                     size_t count,
287                                     loff_t *ppos)
288 {
289         struct ieee80211_local *local = file->private_data;
290         char buf[3];
291         int len = 0;
292
293         len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status);
294
295         return simple_read_from_buffer(user_buf, count, ppos,
296                                        buf, len);
297 }
298
299 static ssize_t force_tx_status_write(struct file *file,
300                                      const char __user *user_buf,
301                                      size_t count,
302                                      loff_t *ppos)
303 {
304         struct ieee80211_local *local = file->private_data;
305         char buf[3];
306
307         if (count >= sizeof(buf))
308                 return -EINVAL;
309
310         if (copy_from_user(buf, user_buf, count))
311                 return -EFAULT;
312
313         if (count && buf[count - 1] == '\n')
314                 buf[count - 1] = '\0';
315         else
316                 buf[count] = '\0';
317
318         if (buf[0] == '0' && buf[1] == '\0')
319                 local->force_tx_status = 0;
320         else if (buf[0] == '1' && buf[1] == '\0')
321                 local->force_tx_status = 1;
322         else
323                 return -EINVAL;
324
325         return count;
326 }
327
328 static const struct file_operations force_tx_status_ops = {
329         .write = force_tx_status_write,
330         .read = force_tx_status_read,
331         .open = simple_open,
332         .llseek = default_llseek,
333 };
334
335 #ifdef CONFIG_PM
336 static ssize_t reset_write(struct file *file, const char __user *user_buf,
337                            size_t count, loff_t *ppos)
338 {
339         struct ieee80211_local *local = file->private_data;
340
341         rtnl_lock();
342         __ieee80211_suspend(&local->hw, NULL);
343         __ieee80211_resume(&local->hw);
344         rtnl_unlock();
345
346         return count;
347 }
348
349 static const struct file_operations reset_ops = {
350         .write = reset_write,
351         .open = simple_open,
352         .llseek = noop_llseek,
353 };
354 #endif
355
356 static const char *hw_flag_names[] = {
357 #define FLAG(F) [IEEE80211_HW_##F] = #F
358         FLAG(HAS_RATE_CONTROL),
359         FLAG(RX_INCLUDES_FCS),
360         FLAG(HOST_BROADCAST_PS_BUFFERING),
361         FLAG(SIGNAL_UNSPEC),
362         FLAG(SIGNAL_DBM),
363         FLAG(NEED_DTIM_BEFORE_ASSOC),
364         FLAG(SPECTRUM_MGMT),
365         FLAG(AMPDU_AGGREGATION),
366         FLAG(SUPPORTS_PS),
367         FLAG(PS_NULLFUNC_STACK),
368         FLAG(SUPPORTS_DYNAMIC_PS),
369         FLAG(MFP_CAPABLE),
370         FLAG(WANT_MONITOR_VIF),
371         FLAG(NO_AUTO_VIF),
372         FLAG(SW_CRYPTO_CONTROL),
373         FLAG(SUPPORT_FAST_XMIT),
374         FLAG(REPORTS_TX_ACK_STATUS),
375         FLAG(CONNECTION_MONITOR),
376         FLAG(QUEUE_CONTROL),
377         FLAG(SUPPORTS_PER_STA_GTK),
378         FLAG(AP_LINK_PS),
379         FLAG(TX_AMPDU_SETUP_IN_HW),
380         FLAG(SUPPORTS_RC_TABLE),
381         FLAG(P2P_DEV_ADDR_FOR_INTF),
382         FLAG(TIMING_BEACON_ONLY),
383         FLAG(SUPPORTS_HT_CCK_RATES),
384         FLAG(CHANCTX_STA_CSA),
385         FLAG(SUPPORTS_CLONED_SKBS),
386         FLAG(SINGLE_SCAN_ON_ALL_BANDS),
387         FLAG(TDLS_WIDER_BW),
388         FLAG(SUPPORTS_AMSDU_IN_AMPDU),
389         FLAG(BEACON_TX_STATUS),
390         FLAG(NEEDS_UNIQUE_STA_ADDR),
391         FLAG(SUPPORTS_REORDERING_BUFFER),
392         FLAG(USES_RSS),
393         FLAG(TX_AMSDU),
394         FLAG(TX_FRAG_LIST),
395         FLAG(REPORTS_LOW_ACK),
396         FLAG(SUPPORTS_TX_FRAG),
397         FLAG(SUPPORTS_TDLS_BUFFER_STA),
398         FLAG(DEAUTH_NEED_MGD_TX_PREP),
399         FLAG(DOESNT_SUPPORT_QOS_NDP),
400         FLAG(BUFF_MMPDU_TXQ),
401         FLAG(SUPPORTS_VHT_EXT_NSS_BW),
402         FLAG(STA_MMPDU_TXQ),
403         FLAG(TX_STATUS_NO_AMPDU_LEN),
404         FLAG(SUPPORTS_MULTI_BSSID),
405         FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
406         FLAG(AMPDU_KEYBORDER_SUPPORT),
407         FLAG(SUPPORTS_TX_ENCAP_OFFLOAD),
408 #undef FLAG
409 };
410
411 static ssize_t hwflags_read(struct file *file, char __user *user_buf,
412                             size_t count, loff_t *ppos)
413 {
414         struct ieee80211_local *local = file->private_data;
415         size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS;
416         char *buf = kzalloc(bufsz, GFP_KERNEL);
417         char *pos = buf, *end = buf + bufsz - 1;
418         ssize_t rv;
419         int i;
420
421         if (!buf)
422                 return -ENOMEM;
423
424         /* fail compilation if somebody adds or removes
425          * a flag without updating the name array above
426          */
427         BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS);
428
429         for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
430                 if (test_bit(i, local->hw.flags))
431                         pos += scnprintf(pos, end - pos, "%s\n",
432                                          hw_flag_names[i]);
433         }
434
435         rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
436         kfree(buf);
437         return rv;
438 }
439
440 static ssize_t misc_read(struct file *file, char __user *user_buf,
441                          size_t count, loff_t *ppos)
442 {
443         struct ieee80211_local *local = file->private_data;
444         /* Max len of each line is 16 characters, plus 9 for 'pending:\n' */
445         size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9;
446         char *buf;
447         char *pos, *end;
448         ssize_t rv;
449         int i;
450         int ln;
451
452         buf = kzalloc(bufsz, GFP_KERNEL);
453         if (!buf)
454                 return -ENOMEM;
455
456         pos = buf;
457         end = buf + bufsz - 1;
458
459         pos += scnprintf(pos, end - pos, "pending:\n");
460
461         for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
462                 ln = skb_queue_len(&local->pending[i]);
463                 pos += scnprintf(pos, end - pos, "[%i] %d\n",
464                                  i, ln);
465         }
466
467         rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
468         kfree(buf);
469         return rv;
470 }
471
472 static ssize_t queues_read(struct file *file, char __user *user_buf,
473                            size_t count, loff_t *ppos)
474 {
475         struct ieee80211_local *local = file->private_data;
476         unsigned long flags;
477         char buf[IEEE80211_MAX_QUEUES * 20];
478         int q, res = 0;
479
480         spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
481         for (q = 0; q < local->hw.queues; q++)
482                 res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
483                                 local->queue_stop_reasons[q],
484                                 skb_queue_len(&local->pending[q]));
485         spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
486
487         return simple_read_from_buffer(user_buf, count, ppos, buf, res);
488 }
489
490 DEBUGFS_READONLY_FILE_OPS(hwflags);
491 DEBUGFS_READONLY_FILE_OPS(queues);
492 DEBUGFS_READONLY_FILE_OPS(misc);
493
494 /* statistics stuff */
495
496 static ssize_t format_devstat_counter(struct ieee80211_local *local,
497         char __user *userbuf,
498         size_t count, loff_t *ppos,
499         int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
500                           int buflen))
501 {
502         struct ieee80211_low_level_stats stats;
503         char buf[20];
504         int res;
505
506         rtnl_lock();
507         res = drv_get_stats(local, &stats);
508         rtnl_unlock();
509         if (res)
510                 return res;
511         res = printvalue(&stats, buf, sizeof(buf));
512         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
513 }
514
515 #define DEBUGFS_DEVSTATS_FILE(name)                                     \
516 static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
517                                  char *buf, int buflen)                 \
518 {                                                                       \
519         return scnprintf(buf, buflen, "%u\n", stats->name);             \
520 }                                                                       \
521 static ssize_t stats_ ##name## _read(struct file *file,                 \
522                                      char __user *userbuf,              \
523                                      size_t count, loff_t *ppos)        \
524 {                                                                       \
525         return format_devstat_counter(file->private_data,               \
526                                       userbuf,                          \
527                                       count,                            \
528                                       ppos,                             \
529                                       print_devstats_##name);           \
530 }                                                                       \
531                                                                         \
532 static const struct file_operations stats_ ##name## _ops = {            \
533         .read = stats_ ##name## _read,                                  \
534         .open = simple_open,                                            \
535         .llseek = generic_file_llseek,                                  \
536 };
537
538 #define DEBUGFS_STATS_ADD(name)                                 \
539         debugfs_create_u32(#name, 0400, statsd, &local->name);
540 #define DEBUGFS_DEVSTATS_ADD(name)                                      \
541         debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
542
543 DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
544 DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
545 DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
546 DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
547
548 void debugfs_hw_add(struct ieee80211_local *local)
549 {
550         struct dentry *phyd = local->hw.wiphy->debugfsdir;
551         struct dentry *statsd;
552
553         if (!phyd)
554                 return;
555
556         local->debugfs.keys = debugfs_create_dir("keys", phyd);
557
558         DEBUGFS_ADD(total_ps_buffered);
559         DEBUGFS_ADD(wep_iv);
560         DEBUGFS_ADD(rate_ctrl_alg);
561         DEBUGFS_ADD(queues);
562         DEBUGFS_ADD(misc);
563 #ifdef CONFIG_PM
564         DEBUGFS_ADD_MODE(reset, 0200);
565 #endif
566         DEBUGFS_ADD(hwflags);
567         DEBUGFS_ADD(user_power);
568         DEBUGFS_ADD(power);
569         DEBUGFS_ADD(hw_conf);
570         DEBUGFS_ADD_MODE(force_tx_status, 0600);
571
572         if (local->ops->wake_tx_queue)
573                 DEBUGFS_ADD_MODE(aqm, 0600);
574
575         DEBUGFS_ADD_MODE(airtime_flags, 0600);
576
577         DEBUGFS_ADD(aql_txq_limit);
578         debugfs_create_u32("aql_threshold", 0600,
579                            phyd, &local->aql_threshold);
580
581         statsd = debugfs_create_dir("statistics", phyd);
582
583         /* if the dir failed, don't put all the other things into the root! */
584         if (!statsd)
585                 return;
586
587 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
588         DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount);
589         DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount);
590         DEBUGFS_STATS_ADD(dot11FailedCount);
591         DEBUGFS_STATS_ADD(dot11RetryCount);
592         DEBUGFS_STATS_ADD(dot11MultipleRetryCount);
593         DEBUGFS_STATS_ADD(dot11FrameDuplicateCount);
594         DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount);
595         DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount);
596         DEBUGFS_STATS_ADD(dot11TransmittedFrameCount);
597         DEBUGFS_STATS_ADD(tx_handlers_drop);
598         DEBUGFS_STATS_ADD(tx_handlers_queued);
599         DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
600         DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
601         DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
602         DEBUGFS_STATS_ADD(rx_handlers_drop);
603         DEBUGFS_STATS_ADD(rx_handlers_queued);
604         DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
605         DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
606         DEBUGFS_STATS_ADD(tx_expand_skb_head);
607         DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
608         DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag);
609         DEBUGFS_STATS_ADD(rx_handlers_fragments);
610         DEBUGFS_STATS_ADD(tx_status_drop);
611 #endif
612         DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount);
613         DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);
614         DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount);
615         DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount);
616 }