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Merge tag 'iommu-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
[linux/fpc-iii.git] / net / mac80211 / debugfs_netdev.c
blob0ad3860852fffb5919e4f97e234c6c2c7142ae06
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright (C) 2020 Intel Corporation
6 */
7
8 #include <linux/kernel.h>
9 #include <linux/device.h>
10 #include <linux/if.h>
11 #include <linux/if_ether.h>
12 #include <linux/interrupt.h>
13 #include <linux/netdevice.h>
14 #include <linux/rtnetlink.h>
15 #include <linux/slab.h>
16 #include <linux/notifier.h>
17 #include <net/mac80211.h>
18 #include <net/cfg80211.h>
19 #include "ieee80211_i.h"
20 #include "rate.h"
21 #include "debugfs.h"
22 #include "debugfs_netdev.h"
23 #include "driver-ops.h"
24
25 static ssize_t ieee80211_if_read(
26 struct ieee80211_sub_if_data *sdata,
27 char __user *userbuf,
28 size_t count, loff_t *ppos,
29 ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
30 {
31 char buf[200];
32 ssize_t ret = -EINVAL;
33
34 read_lock(&dev_base_lock);
35 ret = (*format)(sdata, buf, sizeof(buf));
36 read_unlock(&dev_base_lock);
37
38 if (ret >= 0)
39 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
40
41 return ret;
42 }
43
44 static ssize_t ieee80211_if_write(
45 struct ieee80211_sub_if_data *sdata,
46 const char __user *userbuf,
47 size_t count, loff_t *ppos,
48 ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
49 {
50 char buf[64];
51 ssize_t ret;
52
53 if (count >= sizeof(buf))
54 return -E2BIG;
55
56 if (copy_from_user(buf, userbuf, count))
57 return -EFAULT;
58 buf[count] = '\0';
59
60 ret = -ENODEV;
61 rtnl_lock();
62 ret = (*write)(sdata, buf, count);
63 rtnl_unlock();
64
65 return ret;
66 }
67
68 #define IEEE80211_IF_FMT(name, field, format_string) \
69 static ssize_t ieee80211_if_fmt_##name( \
70 const struct ieee80211_sub_if_data *sdata, char *buf, \
71 int buflen) \
72 { \
73 return scnprintf(buf, buflen, format_string, sdata->field); \
74 }
75 #define IEEE80211_IF_FMT_DEC(name, field) \
76 IEEE80211_IF_FMT(name, field, "%d\n")
77 #define IEEE80211_IF_FMT_HEX(name, field) \
78 IEEE80211_IF_FMT(name, field, "%#x\n")
79 #define IEEE80211_IF_FMT_LHEX(name, field) \
80 IEEE80211_IF_FMT(name, field, "%#lx\n")
81 #define IEEE80211_IF_FMT_SIZE(name, field) \
82 IEEE80211_IF_FMT(name, field, "%zd\n")
83
84 #define IEEE80211_IF_FMT_HEXARRAY(name, field) \
85 static ssize_t ieee80211_if_fmt_##name( \
86 const struct ieee80211_sub_if_data *sdata, \
87 char *buf, int buflen) \
88 { \
89 char *p = buf; \
90 int i; \
91 for (i = 0; i < sizeof(sdata->field); i++) { \
92 p += scnprintf(p, buflen + buf - p, "%.2x ", \
93 sdata->field[i]); \
94 } \
95 p += scnprintf(p, buflen + buf - p, "\n"); \
96 return p - buf; \
97 }
98
99 #define IEEE80211_IF_FMT_ATOMIC(name, field) \
100 static ssize_t ieee80211_if_fmt_##name( \
101 const struct ieee80211_sub_if_data *sdata, \
102 char *buf, int buflen) \
103 { \
104 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
105 }
106
107 #define IEEE80211_IF_FMT_MAC(name, field) \
108 static ssize_t ieee80211_if_fmt_##name( \
109 const struct ieee80211_sub_if_data *sdata, char *buf, \
110 int buflen) \
111 { \
112 return scnprintf(buf, buflen, "%pM\n", sdata->field); \
113 }
114
115 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \
116 static ssize_t ieee80211_if_fmt_##name( \
117 const struct ieee80211_sub_if_data *sdata, \
118 char *buf, int buflen) \
119 { \
120 return scnprintf(buf, buflen, "%d\n", \
121 jiffies_to_msecs(sdata->field)); \
122 }
123
124 #define _IEEE80211_IF_FILE_OPS(name, _read, _write) \
125 static const struct file_operations name##_ops = { \
126 .read = (_read), \
127 .write = (_write), \
128 .open = simple_open, \
129 .llseek = generic_file_llseek, \
130 }
131
132 #define _IEEE80211_IF_FILE_R_FN(name) \
133 static ssize_t ieee80211_if_read_##name(struct file *file, \
134 char __user *userbuf, \
135 size_t count, loff_t *ppos) \
136 { \
137 return ieee80211_if_read(file->private_data, \
138 userbuf, count, ppos, \
139 ieee80211_if_fmt_##name); \
140 }
141
142 #define _IEEE80211_IF_FILE_W_FN(name) \
143 static ssize_t ieee80211_if_write_##name(struct file *file, \
144 const char __user *userbuf, \
145 size_t count, loff_t *ppos) \
146 { \
147 return ieee80211_if_write(file->private_data, userbuf, count, \
148 ppos, ieee80211_if_parse_##name); \
149 }
150
151 #define IEEE80211_IF_FILE_R(name) \
152 _IEEE80211_IF_FILE_R_FN(name) \
153 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
154
155 #define IEEE80211_IF_FILE_W(name) \
156 _IEEE80211_IF_FILE_W_FN(name) \
157 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
158
159 #define IEEE80211_IF_FILE_RW(name) \
160 _IEEE80211_IF_FILE_R_FN(name) \
161 _IEEE80211_IF_FILE_W_FN(name) \
162 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \
163 ieee80211_if_write_##name)
164
165 #define IEEE80211_IF_FILE(name, field, format) \
166 IEEE80211_IF_FMT_##format(name, field) \
167 IEEE80211_IF_FILE_R(name)
168
169 /* common attributes */
170 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[NL80211_BAND_2GHZ],
171 HEX);
172 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[NL80211_BAND_5GHZ],
173 HEX);
174 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
175 rc_rateidx_mcs_mask[NL80211_BAND_2GHZ], HEXARRAY);
176 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
177 rc_rateidx_mcs_mask[NL80211_BAND_5GHZ], HEXARRAY);
178
179 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz(
180 const struct ieee80211_sub_if_data *sdata,
181 char *buf, int buflen)
182 {
183 int i, len = 0;
184 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ];
185
186 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
187 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);
188 len += scnprintf(buf + len, buflen - len, "\n");
189
190 return len;
191 }
192
193 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz);
194
195 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz(
196 const struct ieee80211_sub_if_data *sdata,
197 char *buf, int buflen)
198 {
199 int i, len = 0;
200 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ];
201
202 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
203 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);
204 len += scnprintf(buf + len, buflen - len, "\n");
205
206 return len;
207 }
208
209 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz);
210
211 IEEE80211_IF_FILE(flags, flags, HEX);
212 IEEE80211_IF_FILE(state, state, LHEX);
213 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
214 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
215 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
216
217 static ssize_t
218 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
219 char *buf, int buflen)
220 {
221 int len;
222
223 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
224 sdata->vif.hw_queue[IEEE80211_AC_VO],
225 sdata->vif.hw_queue[IEEE80211_AC_VI],
226 sdata->vif.hw_queue[IEEE80211_AC_BE],
227 sdata->vif.hw_queue[IEEE80211_AC_BK]);
228
229 if (sdata->vif.type == NL80211_IFTYPE_AP)
230 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
231 sdata->vif.cab_queue);
232
233 return len;
234 }
235 IEEE80211_IF_FILE_R(hw_queues);
236
237 /* STA attributes */
238 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
239 IEEE80211_IF_FILE(aid, vif.bss_conf.aid, DEC);
240 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
241
242 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
243 enum ieee80211_smps_mode smps_mode)
244 {
245 struct ieee80211_local *local = sdata->local;
246 int err;
247
248 if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&
249 smps_mode == IEEE80211_SMPS_STATIC)
250 return -EINVAL;
251
252 /* auto should be dynamic if in PS mode */
253 if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) &&
254 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
255 smps_mode == IEEE80211_SMPS_AUTOMATIC))
256 return -EINVAL;
257
258 if (sdata->vif.type != NL80211_IFTYPE_STATION)
259 return -EOPNOTSUPP;
260
261 sdata_lock(sdata);
262 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
263 sdata_unlock(sdata);
264
265 return err;
266 }
267
268 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
269 [IEEE80211_SMPS_AUTOMATIC] = "auto",
270 [IEEE80211_SMPS_OFF] = "off",
271 [IEEE80211_SMPS_STATIC] = "static",
272 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
273 };
274
275 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
276 char *buf, int buflen)
277 {
278 if (sdata->vif.type == NL80211_IFTYPE_STATION)
279 return snprintf(buf, buflen, "request: %s\nused: %s\n",
280 smps_modes[sdata->u.mgd.req_smps],
281 smps_modes[sdata->smps_mode]);
282 return -EINVAL;
283 }
284
285 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
286 const char *buf, int buflen)
287 {
288 enum ieee80211_smps_mode mode;
289
290 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
291 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
292 int err = ieee80211_set_smps(sdata, mode);
293 if (!err)
294 return buflen;
295 return err;
296 }
297 }
298
299 return -EINVAL;
300 }
301 IEEE80211_IF_FILE_RW(smps);
302
303 static ssize_t ieee80211_if_parse_tkip_mic_test(
304 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
305 {
306 struct ieee80211_local *local = sdata->local;
307 u8 addr[ETH_ALEN];
308 struct sk_buff *skb;
309 struct ieee80211_hdr *hdr;
310 __le16 fc;
311
312 if (!mac_pton(buf, addr))
313 return -EINVAL;
314
315 if (!ieee80211_sdata_running(sdata))
316 return -ENOTCONN;
317
318 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
319 if (!skb)
320 return -ENOMEM;
321 skb_reserve(skb, local->hw.extra_tx_headroom);
322
323 hdr = skb_put_zero(skb, 24);
324 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
325
326 switch (sdata->vif.type) {
327 case NL80211_IFTYPE_AP:
328 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
329 /* DA BSSID SA */
330 memcpy(hdr->addr1, addr, ETH_ALEN);
331 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
332 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
333 break;
334 case NL80211_IFTYPE_STATION:
335 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
336 /* BSSID SA DA */
337 sdata_lock(sdata);
338 if (!sdata->u.mgd.associated) {
339 sdata_unlock(sdata);
340 dev_kfree_skb(skb);
341 return -ENOTCONN;
342 }
343 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
344 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
345 memcpy(hdr->addr3, addr, ETH_ALEN);
346 sdata_unlock(sdata);
347 break;
348 default:
349 dev_kfree_skb(skb);
350 return -EOPNOTSUPP;
351 }
352 hdr->frame_control = fc;
353
354 /*
355 * Add some length to the test frame to make it look bit more valid.
356 * The exact contents does not matter since the recipient is required
357 * to drop this because of the Michael MIC failure.
358 */
359 skb_put_zero(skb, 50);
360
361 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
362
363 ieee80211_tx_skb(sdata, skb);
364
365 return buflen;
366 }
367 IEEE80211_IF_FILE_W(tkip_mic_test);
368
369 static ssize_t ieee80211_if_parse_beacon_loss(
370 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
371 {
372 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
373 return -ENOTCONN;
374
375 ieee80211_beacon_loss(&sdata->vif);
376
377 return buflen;
378 }
379 IEEE80211_IF_FILE_W(beacon_loss);
380
381 static ssize_t ieee80211_if_fmt_uapsd_queues(
382 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
383 {
384 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
385
386 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
387 }
388
389 static ssize_t ieee80211_if_parse_uapsd_queues(
390 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
391 {
392 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
393 u8 val;
394 int ret;
395
396 ret = kstrtou8(buf, 0, &val);
397 if (ret)
398 return ret;
399
400 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
401 return -ERANGE;
402
403 ifmgd->uapsd_queues = val;
404
405 return buflen;
406 }
407 IEEE80211_IF_FILE_RW(uapsd_queues);
408
409 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
410 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
411 {
412 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
413
414 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
415 }
416
417 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
418 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
419 {
420 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
421 unsigned long val;
422 int ret;
423
424 ret = kstrtoul(buf, 0, &val);
425 if (ret)
426 return -EINVAL;
427
428 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
429 return -ERANGE;
430
431 ifmgd->uapsd_max_sp_len = val;
432
433 return buflen;
434 }
435 IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
436
437 static ssize_t ieee80211_if_fmt_tdls_wider_bw(
438 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
439 {
440 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
441 bool tdls_wider_bw;
442
443 tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) &&
444 !ifmgd->tdls_wider_bw_prohibited;
445
446 return snprintf(buf, buflen, "%d\n", tdls_wider_bw);
447 }
448
449 static ssize_t ieee80211_if_parse_tdls_wider_bw(
450 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
451 {
452 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
453 u8 val;
454 int ret;
455
456 ret = kstrtou8(buf, 0, &val);
457 if (ret)
458 return ret;
459
460 ifmgd->tdls_wider_bw_prohibited = !val;
461 return buflen;
462 }
463 IEEE80211_IF_FILE_RW(tdls_wider_bw);
464
465 /* AP attributes */
466 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
467 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
468 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
469 IEEE80211_IF_FILE(num_mcast_sta_vlan, u.vlan.num_mcast_sta, ATOMIC);
470
471 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
472 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
473 {
474 return scnprintf(buf, buflen, "%u\n",
475 skb_queue_len(&sdata->u.ap.ps.bc_buf));
476 }
477 IEEE80211_IF_FILE_R(num_buffered_multicast);
478
479 static ssize_t ieee80211_if_fmt_aqm(
480 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
481 {
482 struct ieee80211_local *local = sdata->local;
483 struct txq_info *txqi;
484 int len;
485
486 if (!sdata->vif.txq)
487 return 0;
488
489 txqi = to_txq_info(sdata->vif.txq);
490
491 spin_lock_bh(&local->fq.lock);
492 rcu_read_lock();
493
494 len = scnprintf(buf,
495 buflen,
496 "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n"
497 "%u %u %u %u %u %u %u %u %u %u\n",
498 txqi->txq.ac,
499 txqi->tin.backlog_bytes,
500 txqi->tin.backlog_packets,
501 txqi->tin.flows,
502 txqi->cstats.drop_count,
503 txqi->cstats.ecn_mark,
504 txqi->tin.overlimit,
505 txqi->tin.collisions,
506 txqi->tin.tx_bytes,
507 txqi->tin.tx_packets);
508
509 rcu_read_unlock();
510 spin_unlock_bh(&local->fq.lock);
511
512 return len;
513 }
514 IEEE80211_IF_FILE_R(aqm);
515
516 IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX);
517
518 /* IBSS attributes */
519 static ssize_t ieee80211_if_fmt_tsf(
520 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
521 {
522 struct ieee80211_local *local = sdata->local;
523 u64 tsf;
524
525 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
526
527 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
528 }
529
530 static ssize_t ieee80211_if_parse_tsf(
531 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
532 {
533 struct ieee80211_local *local = sdata->local;
534 unsigned long long tsf;
535 int ret;
536 int tsf_is_delta = 0;
537
538 if (strncmp(buf, "reset", 5) == 0) {
539 if (local->ops->reset_tsf) {
540 drv_reset_tsf(local, sdata);
541 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
542 }
543 } else {
544 if (buflen > 10 && buf[1] == '=') {
545 if (buf[0] == '+')
546 tsf_is_delta = 1;
547 else if (buf[0] == '-')
548 tsf_is_delta = -1;
549 else
550 return -EINVAL;
551 buf += 2;
552 }
553 ret = kstrtoull(buf, 10, &tsf);
554 if (ret < 0)
555 return ret;
556 if (tsf_is_delta && local->ops->offset_tsf) {
557 drv_offset_tsf(local, sdata, tsf_is_delta * tsf);
558 wiphy_info(local->hw.wiphy,
559 "debugfs offset TSF by %018lld\n",
560 tsf_is_delta * tsf);
561 } else if (local->ops->set_tsf) {
562 if (tsf_is_delta)
563 tsf = drv_get_tsf(local, sdata) +
564 tsf_is_delta * tsf;
565 drv_set_tsf(local, sdata, tsf);
566 wiphy_info(local->hw.wiphy,
567 "debugfs set TSF to %#018llx\n", tsf);
568 }
569 }
570
571 ieee80211_recalc_dtim(local, sdata);
572 return buflen;
573 }
574 IEEE80211_IF_FILE_RW(tsf);
575
576
577 #ifdef CONFIG_MAC80211_MESH
578 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
579
580 /* Mesh stats attributes */
581 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
582 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
583 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
584 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
585 IEEE80211_IF_FILE(dropped_frames_congestion,
586 u.mesh.mshstats.dropped_frames_congestion, DEC);
587 IEEE80211_IF_FILE(dropped_frames_no_route,
588 u.mesh.mshstats.dropped_frames_no_route, DEC);
589
590 /* Mesh parameters */
591 IEEE80211_IF_FILE(dot11MeshMaxRetries,
592 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
593 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
594 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
595 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
596 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
597 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
598 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
599 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
600 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
601 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
602 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
603 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
604 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
605 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
606 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
607 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
608 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
609 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
610 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
611 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
612 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
613 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
614 IEEE80211_IF_FILE(path_refresh_time,
615 u.mesh.mshcfg.path_refresh_time, DEC);
616 IEEE80211_IF_FILE(min_discovery_timeout,
617 u.mesh.mshcfg.min_discovery_timeout, DEC);
618 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
619 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
620 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
621 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
622 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
623 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
624 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
625 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
626 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
627 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
628 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
629 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
630 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
631 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
632 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
633 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
634 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
635 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
636 IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate,
637 u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC);
638 IEEE80211_IF_FILE(dot11MeshNolearn, u.mesh.mshcfg.dot11MeshNolearn, DEC);
639 IEEE80211_IF_FILE(dot11MeshConnectedToAuthServer,
640 u.mesh.mshcfg.dot11MeshConnectedToAuthServer, DEC);
641 #endif
642
643 #define DEBUGFS_ADD_MODE(name, mode) \
644 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
645 sdata, &name##_ops)
646
647 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
648
649 static void add_common_files(struct ieee80211_sub_if_data *sdata)
650 {
651 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
652 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
653 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
654 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
655 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz);
656 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz);
657 DEBUGFS_ADD(hw_queues);
658
659 if (sdata->local->ops->wake_tx_queue &&
660 sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
661 sdata->vif.type != NL80211_IFTYPE_NAN)
662 DEBUGFS_ADD(aqm);
663 }
664
665 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
666 {
667 DEBUGFS_ADD(bssid);
668 DEBUGFS_ADD(aid);
669 DEBUGFS_ADD(beacon_timeout);
670 DEBUGFS_ADD_MODE(smps, 0600);
671 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
672 DEBUGFS_ADD_MODE(beacon_loss, 0200);
673 DEBUGFS_ADD_MODE(uapsd_queues, 0600);
674 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
675 DEBUGFS_ADD_MODE(tdls_wider_bw, 0600);
676 }
677
678 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
679 {
680 DEBUGFS_ADD(num_mcast_sta);
681 DEBUGFS_ADD_MODE(smps, 0600);
682 DEBUGFS_ADD(num_sta_ps);
683 DEBUGFS_ADD(dtim_count);
684 DEBUGFS_ADD(num_buffered_multicast);
685 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
686 DEBUGFS_ADD_MODE(multicast_to_unicast, 0600);
687 }
688
689 static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
690 {
691 /* add num_mcast_sta_vlan using name num_mcast_sta */
692 debugfs_create_file("num_mcast_sta", 0400, sdata->vif.debugfs_dir,
693 sdata, &num_mcast_sta_vlan_ops);
694 }
695
696 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
697 {
698 DEBUGFS_ADD_MODE(tsf, 0600);
699 }
700
701 #ifdef CONFIG_MAC80211_MESH
702
703 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
704 {
705 DEBUGFS_ADD_MODE(tsf, 0600);
706 DEBUGFS_ADD_MODE(estab_plinks, 0400);
707 }
708
709 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
710 {
711 struct dentry *dir = debugfs_create_dir("mesh_stats",
712 sdata->vif.debugfs_dir);
713 #define MESHSTATS_ADD(name)\
714 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops)
715
716 MESHSTATS_ADD(fwded_mcast);
717 MESHSTATS_ADD(fwded_unicast);
718 MESHSTATS_ADD(fwded_frames);
719 MESHSTATS_ADD(dropped_frames_ttl);
720 MESHSTATS_ADD(dropped_frames_no_route);
721 MESHSTATS_ADD(dropped_frames_congestion);
722 #undef MESHSTATS_ADD
723 }
724
725 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
726 {
727 struct dentry *dir = debugfs_create_dir("mesh_config",
728 sdata->vif.debugfs_dir);
729
730 #define MESHPARAMS_ADD(name) \
731 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops)
732
733 MESHPARAMS_ADD(dot11MeshMaxRetries);
734 MESHPARAMS_ADD(dot11MeshRetryTimeout);
735 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
736 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
737 MESHPARAMS_ADD(dot11MeshTTL);
738 MESHPARAMS_ADD(element_ttl);
739 MESHPARAMS_ADD(auto_open_plinks);
740 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
741 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
742 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
743 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
744 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
745 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
746 MESHPARAMS_ADD(path_refresh_time);
747 MESHPARAMS_ADD(min_discovery_timeout);
748 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
749 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
750 MESHPARAMS_ADD(dot11MeshForwarding);
751 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
752 MESHPARAMS_ADD(rssi_threshold);
753 MESHPARAMS_ADD(ht_opmode);
754 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
755 MESHPARAMS_ADD(dot11MeshHWMProotInterval);
756 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
757 MESHPARAMS_ADD(power_mode);
758 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
759 MESHPARAMS_ADD(dot11MeshConnectedToMeshGate);
760 MESHPARAMS_ADD(dot11MeshNolearn);
761 MESHPARAMS_ADD(dot11MeshConnectedToAuthServer);
762 #undef MESHPARAMS_ADD
763 }
764 #endif
765
766 static void add_files(struct ieee80211_sub_if_data *sdata)
767 {
768 if (!sdata->vif.debugfs_dir)
769 return;
770
771 DEBUGFS_ADD(flags);
772 DEBUGFS_ADD(state);
773 DEBUGFS_ADD(txpower);
774 DEBUGFS_ADD(user_power_level);
775 DEBUGFS_ADD(ap_power_level);
776
777 if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
778 add_common_files(sdata);
779
780 switch (sdata->vif.type) {
781 case NL80211_IFTYPE_MESH_POINT:
782 #ifdef CONFIG_MAC80211_MESH
783 add_mesh_files(sdata);
784 add_mesh_stats(sdata);
785 add_mesh_config(sdata);
786 #endif
787 break;
788 case NL80211_IFTYPE_STATION:
789 add_sta_files(sdata);
790 break;
791 case NL80211_IFTYPE_ADHOC:
792 add_ibss_files(sdata);
793 break;
794 case NL80211_IFTYPE_AP:
795 add_ap_files(sdata);
796 break;
797 case NL80211_IFTYPE_AP_VLAN:
798 add_vlan_files(sdata);
799 break;
800 default:
801 break;
802 }
803 }
804
805 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
806 {
807 char buf[10+IFNAMSIZ];
808
809 sprintf(buf, "netdev:%s", sdata->name);
810 sdata->vif.debugfs_dir = debugfs_create_dir(buf,
811 sdata->local->hw.wiphy->debugfsdir);
812 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
813 sdata->vif.debugfs_dir);
814 add_files(sdata);
815 }
816
817 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
818 {
819 if (!sdata->vif.debugfs_dir)
820 return;
821
822 debugfs_remove_recursive(sdata->vif.debugfs_dir);
823 sdata->vif.debugfs_dir = NULL;
824 sdata->debugfs.subdir_stations = NULL;
825 }
826
827 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
828 {
829 struct dentry *dir;
830 char buf[10 + IFNAMSIZ];
831
832 dir = sdata->vif.debugfs_dir;
833
834 if (IS_ERR_OR_NULL(dir))
835 return;
836
837 sprintf(buf, "netdev:%s", sdata->name);
838 debugfs_rename(dir->d_parent, dir, dir->d_parent, buf);
839 }
Linux with added FPC-III support