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ALSA: hda - Update descriptions about new position_fix values
[linux-2.6-block.git] / net / mac80211 / debugfs_netdev.c
CommitLineData
d2912cb1 1// SPDX-License-Identifier: GPL-2.0-only
e9f207f0
JB		 2/*
3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
e9f207f0
JB		 5 */
6
7#include <linux/kernel.h>
8#include <linux/device.h>
9#include <linux/if.h>
28656a11 10#include <linux/if_ether.h>
e9f207f0
JB		 11#include <linux/interrupt.h>
12#include <linux/netdevice.h>
13#include <linux/rtnetlink.h>
5a0e3ad6 14#include <linux/slab.h>
e9f207f0
JB		 15#include <linux/notifier.h>
16#include <net/mac80211.h>
17#include <net/cfg80211.h>
18#include "ieee80211_i.h"
2c8dccc7 19#include "rate.h"
e9f207f0
JB		 20#include "debugfs.h"
21#include "debugfs_netdev.h"
37a41b4a 22#include "driver-ops.h"
e9f207f0
JB		 23
24static ssize_t ieee80211_if_read(
25 struct ieee80211_sub_if_data *sdata,
26 char __user *userbuf,
27 size_t count, loff_t *ppos,
28 ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
29{
8d51dbb8 30 char buf[200];
e9f207f0
JB		 31 ssize_t ret = -EINVAL;
32
33 read_lock(&dev_base_lock);
923eaf36 34 ret = (*format)(sdata, buf, sizeof(buf));
e9f207f0 35 read_unlock(&dev_base_lock);
73bb3e4a 36
681d1190 37 if (ret >= 0)
73bb3e4a
LCC		 38 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
39
e9f207f0
JB		 40 return ret;
41}
42
0f78231b
JB		 43static ssize_t ieee80211_if_write(
44 struct ieee80211_sub_if_data *sdata,
45 const char __user *userbuf,
46 size_t count, loff_t *ppos,
47 ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
48{
ada577c1 49 char buf[64];
51f5f8ca 50 ssize_t ret;
0f78231b 51
ada577c1
EP		 52 if (count >= sizeof(buf))
53 return -E2BIG;
0f78231b
JB		 54
55 if (copy_from_user(buf, userbuf, count))
ada577c1
EP		 56 return -EFAULT;
57 buf[count] = '\0';
0f78231b 58
51f5f8ca 59 ret = -ENODEV;
0f78231b 60 rtnl_lock();
923eaf36 61 ret = (*write)(sdata, buf, count);
0f78231b
JB		 62 rtnl_unlock();
63
64 return ret;
65}
66
e9f207f0
JB		 67#define IEEE80211_IF_FMT(name, field, format_string) \
68static ssize_t ieee80211_if_fmt_##name( \
69 const struct ieee80211_sub_if_data *sdata, char *buf, \
70 int buflen) \
71{ \
72 return scnprintf(buf, buflen, format_string, sdata->field); \
73}
74#define IEEE80211_IF_FMT_DEC(name, field) \
75 IEEE80211_IF_FMT(name, field, "%d\n")
76#define IEEE80211_IF_FMT_HEX(name, field) \
77 IEEE80211_IF_FMT(name, field, "%#x\n")
4914b3bb
BG		 78#define IEEE80211_IF_FMT_LHEX(name, field) \
79 IEEE80211_IF_FMT(name, field, "%#lx\n")
e9f207f0
JB		 80#define IEEE80211_IF_FMT_SIZE(name, field) \
81 IEEE80211_IF_FMT(name, field, "%zd\n")
82
19468413
SW		 83#define IEEE80211_IF_FMT_HEXARRAY(name, field) \
84static ssize_t ieee80211_if_fmt_##name( \
85 const struct ieee80211_sub_if_data *sdata, \
86 char *buf, int buflen) \
87{ \
88 char *p = buf; \
89 int i; \
90 for (i = 0; i < sizeof(sdata->field); i++) { \
91 p += scnprintf(p, buflen + buf - p, "%.2x ", \
92 sdata->field[i]); \
93 } \
94 p += scnprintf(p, buflen + buf - p, "\n"); \
95 return p - buf; \
96}
97
e9f207f0
JB		 98#define IEEE80211_IF_FMT_ATOMIC(name, field) \
99static ssize_t ieee80211_if_fmt_##name( \
100 const struct ieee80211_sub_if_data *sdata, \
101 char *buf, int buflen) \
102{ \
103 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
104}
105
106#define IEEE80211_IF_FMT_MAC(name, field) \
107static ssize_t ieee80211_if_fmt_##name( \
108 const struct ieee80211_sub_if_data *sdata, char *buf, \
109 int buflen) \
110{ \
0c68ae26 111 return scnprintf(buf, buflen, "%pM\n", sdata->field); \
e9f207f0
JB		 112}
113
78e443e4
BG		 114#define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \
115static ssize_t ieee80211_if_fmt_##name( \
116 const struct ieee80211_sub_if_data *sdata, \
117 char *buf, int buflen) \
118{ \
119 return scnprintf(buf, buflen, "%d\n", \
120 jiffies_to_msecs(sdata->field)); \
121}
122
4cd3c4ec
JB		 123#define _IEEE80211_IF_FILE_OPS(name, _read, _write) \
124static const struct file_operations name##_ops = { \
125 .read = (_read), \
126 .write = (_write), \
127 .open = simple_open, \
128 .llseek = generic_file_llseek, \
129}
130
131#define _IEEE80211_IF_FILE_R_FN(name) \
e9f207f0
JB		 132static ssize_t ieee80211_if_read_##name(struct file *file, \
133 char __user *userbuf, \
134 size_t count, loff_t *ppos) \
135{ \
136 return ieee80211_if_read(file->private_data, \
137 userbuf, count, ppos, \
138 ieee80211_if_fmt_##name); \
e9f207f0
JB		 139}
140
4cd3c4ec 141#define _IEEE80211_IF_FILE_W_FN(name) \
0f78231b
JB		 142static ssize_t ieee80211_if_write_##name(struct file *file, \
143 const char __user *userbuf, \
144 size_t count, loff_t *ppos) \
145{ \
146 return ieee80211_if_write(file->private_data, userbuf, count, \
147 ppos, ieee80211_if_parse_##name); \
4cd3c4ec
JB		 148}
149
150#define IEEE80211_IF_FILE_R(name) \
151 _IEEE80211_IF_FILE_R_FN(name) \
152 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
153
154#define IEEE80211_IF_FILE_W(name) \
155 _IEEE80211_IF_FILE_W_FN(name) \
156 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
0f78231b 157
4cd3c4ec
JB		 158#define IEEE80211_IF_FILE_RW(name) \
159 _IEEE80211_IF_FILE_R_FN(name) \
160 _IEEE80211_IF_FILE_W_FN(name) \
161 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \
162 ieee80211_if_write_##name)
0f78231b 163
e9f207f0 164#define IEEE80211_IF_FILE(name, field, format) \
4cd3c4ec
JB		 165 IEEE80211_IF_FMT_##format(name, field) \
166 IEEE80211_IF_FILE_R(name)
e9f207f0
JB		 167
168/* common attributes */
57fbcce3 169IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[NL80211_BAND_2GHZ],
37eb0b16 170 HEX);
57fbcce3 171IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[NL80211_BAND_5GHZ],
37eb0b16 172 HEX);
19468413 173IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
57fbcce3 174 rc_rateidx_mcs_mask[NL80211_BAND_2GHZ], HEXARRAY);
19468413 175IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
57fbcce3 176 rc_rateidx_mcs_mask[NL80211_BAND_5GHZ], HEXARRAY);
19468413 177
b119ad6e
LB		 178static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz(
179 const struct ieee80211_sub_if_data *sdata,
180 char *buf, int buflen)
181{
182 int i, len = 0;
57fbcce3 183 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ];
b119ad6e
LB		 184
185 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
186 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);
187 len += scnprintf(buf + len, buflen - len, "\n");
188
189 return len;
190}
191
192IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz);
193
194static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz(
195 const struct ieee80211_sub_if_data *sdata,
196 char *buf, int buflen)
197{
198 int i, len = 0;
57fbcce3 199 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ];
b119ad6e
LB		 200
201 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
202 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);
203 len += scnprintf(buf + len, buflen - len, "\n");
204
205 return len;
206}
207
208IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz);
209
4914b3bb
BG		 210IEEE80211_IF_FILE(flags, flags, HEX);
211IEEE80211_IF_FILE(state, state, LHEX);
1ea6f9c0
JB		 212IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
213IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
214IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
e9f207f0 215
08643315
JB		 216static ssize_t
217ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
218 char *buf, int buflen)
219{
220 int len;
221
222 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
223 sdata->vif.hw_queue[IEEE80211_AC_VO],
224 sdata->vif.hw_queue[IEEE80211_AC_VI],
225 sdata->vif.hw_queue[IEEE80211_AC_BE],
226 sdata->vif.hw_queue[IEEE80211_AC_BK]);
227
228 if (sdata->vif.type == NL80211_IFTYPE_AP)
229 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
230 sdata->vif.cab_queue);
231
232 return len;
233}
4cd3c4ec 234IEEE80211_IF_FILE_R(hw_queues);
08643315 235
46900298 236/* STA attributes */
46900298 237IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
46900298 238IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
78e443e4 239IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
e9f207f0 240
0f78231b
JB		 241static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
242 enum ieee80211_smps_mode smps_mode)
243{
244 struct ieee80211_local *local = sdata->local;
245 int err;
246
0d8614b4 247 if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&
0f78231b
JB		 248 smps_mode == IEEE80211_SMPS_STATIC)
249 return -EINVAL;
250
251 /* auto should be dynamic if in PS mode */
0d8614b4 252 if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) &&
0f78231b
JB		 253 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
254 smps_mode == IEEE80211_SMPS_AUTOMATIC))
255 return -EINVAL;
256
687da132
EG		 257 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
258 sdata->vif.type != NL80211_IFTYPE_AP)
0f78231b
JB		 259 return -EOPNOTSUPP;
260
8d61ffa5 261 sdata_lock(sdata);
687da132
EG		 262 if (sdata->vif.type == NL80211_IFTYPE_STATION)
263 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
264 else
265 err = __ieee80211_request_smps_ap(sdata, smps_mode);
8d61ffa5 266 sdata_unlock(sdata);
0f78231b
JB		 267
268 return err;
269}
270
271static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
272 [IEEE80211_SMPS_AUTOMATIC] = "auto",
273 [IEEE80211_SMPS_OFF] = "off",
274 [IEEE80211_SMPS_STATIC] = "static",
275 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
276};
277
278static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
279 char *buf, int buflen)
280{
687da132
EG		 281 if (sdata->vif.type == NL80211_IFTYPE_STATION)
282 return snprintf(buf, buflen, "request: %s\nused: %s\n",
283 smps_modes[sdata->u.mgd.req_smps],
284 smps_modes[sdata->smps_mode]);
285 if (sdata->vif.type == NL80211_IFTYPE_AP)
286 return snprintf(buf, buflen, "request: %s\nused: %s\n",
287 smps_modes[sdata->u.ap.req_smps],
288 smps_modes[sdata->smps_mode]);
289 return -EINVAL;
0f78231b
JB		 290}
291
292static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
293 const char *buf, int buflen)
294{
295 enum ieee80211_smps_mode mode;
296
297 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
298 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
299 int err = ieee80211_set_smps(sdata, mode);
300 if (!err)
301 return buflen;
302 return err;
303 }
304 }
305
306 return -EINVAL;
307}
4cd3c4ec 308IEEE80211_IF_FILE_RW(smps);
681d1190 309
681d1190
JM		 310static ssize_t ieee80211_if_parse_tkip_mic_test(
311 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
312{
313 struct ieee80211_local *local = sdata->local;
314 u8 addr[ETH_ALEN];
315 struct sk_buff *skb;
316 struct ieee80211_hdr *hdr;
317 __le16 fc;
318
28656a11 319 if (!mac_pton(buf, addr))
681d1190
JM		 320 return -EINVAL;
321
322 if (!ieee80211_sdata_running(sdata))
323 return -ENOTCONN;
324
325 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
326 if (!skb)
327 return -ENOMEM;
328 skb_reserve(skb, local->hw.extra_tx_headroom);
329
b080db58 330 hdr = skb_put_zero(skb, 24);
681d1190
JM		 331 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
332
333 switch (sdata->vif.type) {
334 case NL80211_IFTYPE_AP:
335 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
336 /* DA BSSID SA */
337 memcpy(hdr->addr1, addr, ETH_ALEN);
338 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
339 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
340 break;
341 case NL80211_IFTYPE_STATION:
342 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
343 /* BSSID SA DA */
8d61ffa5 344 sdata_lock(sdata);
41c97a20 345 if (!sdata->u.mgd.associated) {
8d61ffa5 346 sdata_unlock(sdata);
681d1190
JM		 347 dev_kfree_skb(skb);
348 return -ENOTCONN;
349 }
41c97a20 350 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
681d1190
JM		 351 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
352 memcpy(hdr->addr3, addr, ETH_ALEN);
8d61ffa5 353 sdata_unlock(sdata);
681d1190
JM		 354 break;
355 default:
356 dev_kfree_skb(skb);
357 return -EOPNOTSUPP;
358 }
359 hdr->frame_control = fc;
360
361 /*
362 * Add some length to the test frame to make it look bit more valid.
363 * The exact contents does not matter since the recipient is required
364 * to drop this because of the Michael MIC failure.
365 */
b080db58 366 skb_put_zero(skb, 50);
681d1190
JM		 367
368 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
369
370 ieee80211_tx_skb(sdata, skb);
371
372 return buflen;
373}
4cd3c4ec 374IEEE80211_IF_FILE_W(tkip_mic_test);
681d1190 375
802ee9ec
EP		 376static ssize_t ieee80211_if_parse_beacon_loss(
377 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
378{
379 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
380 return -ENOTCONN;
381
382 ieee80211_beacon_loss(&sdata->vif);
383
384 return buflen;
385}
386IEEE80211_IF_FILE_W(beacon_loss);
387
dc41e4d4
EP		 388static ssize_t ieee80211_if_fmt_uapsd_queues(
389 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
390{
391 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
392
393 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
394}
395
396static ssize_t ieee80211_if_parse_uapsd_queues(
397 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
398{
399 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
400 u8 val;
401 int ret;
402
403 ret = kstrtou8(buf, 0, &val);
404 if (ret)
405 return ret;
406
407 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
408 return -ERANGE;
409
410 ifmgd->uapsd_queues = val;
411
412 return buflen;
413}
4cd3c4ec 414IEEE80211_IF_FILE_RW(uapsd_queues);
dc41e4d4
EP		 415
416static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
417 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
418{
419 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
420
421 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
422}
423
424static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
425 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
426{
427 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
428 unsigned long val;
429 int ret;
430
431 ret = kstrtoul(buf, 0, &val);
432 if (ret)
433 return -EINVAL;
434
435 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
436 return -ERANGE;
437
438 ifmgd->uapsd_max_sp_len = val;
439
440 return buflen;
441}
4cd3c4ec 442IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
dc41e4d4 443
82c0cc90
AN		 444static ssize_t ieee80211_if_fmt_tdls_wider_bw(
445 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
446{
447 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
448 bool tdls_wider_bw;
449
450 tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) &&
451 !ifmgd->tdls_wider_bw_prohibited;
452
453 return snprintf(buf, buflen, "%d\n", tdls_wider_bw);
454}
455
456static ssize_t ieee80211_if_parse_tdls_wider_bw(
457 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
458{
459 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
460 u8 val;
461 int ret;
462
463 ret = kstrtou8(buf, 0, &val);
464 if (ret)
465 return ret;
466
467 ifmgd->tdls_wider_bw_prohibited = !val;
468 return buflen;
469}
470IEEE80211_IF_FILE_RW(tdls_wider_bw);
471
e9f207f0 472/* AP attributes */
030ef8f8 473IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
d012a605
MP		 474IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
475IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
72f15d53 476IEEE80211_IF_FILE(num_mcast_sta_vlan, u.vlan.num_mcast_sta, ATOMIC);
e9f207f0
JB		 477
478static ssize_t ieee80211_if_fmt_num_buffered_multicast(
479 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
480{
481 return scnprintf(buf, buflen, "%u\n",
d012a605 482 skb_queue_len(&sdata->u.ap.ps.bc_buf));
e9f207f0 483}
4cd3c4ec 484IEEE80211_IF_FILE_R(num_buffered_multicast);
e9f207f0 485
8d51dbb8
THJ		 486static ssize_t ieee80211_if_fmt_aqm(
487 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
488{
489 struct ieee80211_local *local = sdata->local;
490 struct txq_info *txqi = to_txq_info(sdata->vif.txq);
491 int len;
492
493 spin_lock_bh(&local->fq.lock);
494 rcu_read_lock();
495
496 len = scnprintf(buf,
497 buflen,
498 "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n"
499 "%u %u %u %u %u %u %u %u %u %u\n",
500 txqi->txq.ac,
501 txqi->tin.backlog_bytes,
502 txqi->tin.backlog_packets,
503 txqi->tin.flows,
504 txqi->cstats.drop_count,
505 txqi->cstats.ecn_mark,
506 txqi->tin.overlimit,
507 txqi->tin.collisions,
508 txqi->tin.tx_bytes,
509 txqi->tin.tx_packets);
510
511 rcu_read_unlock();
512 spin_unlock_bh(&local->fq.lock);
513
514 return len;
515}
516IEEE80211_IF_FILE_R(aqm);
517
ebceec86
MB		 518IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX);
519
37a41b4a
EP		 520/* IBSS attributes */
521static ssize_t ieee80211_if_fmt_tsf(
522 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
523{
524 struct ieee80211_local *local = sdata->local;
525 u64 tsf;
526
527 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
528
529 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
530}
531
532static ssize_t ieee80211_if_parse_tsf(
533 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
534{
535 struct ieee80211_local *local = sdata->local;
536 unsigned long long tsf;
537 int ret;
9bdd3a6b 538 int tsf_is_delta = 0;
37a41b4a
EP		 539
540 if (strncmp(buf, "reset", 5) == 0) {
541 if (local->ops->reset_tsf) {
542 drv_reset_tsf(local, sdata);
543 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
544 }
545 } else {
9bdd3a6b
JC		 546 if (buflen > 10 && buf[1] == '=') {
547 if (buf[0] == '+')
548 tsf_is_delta = 1;
549 else if (buf[0] == '-')
550 tsf_is_delta = -1;
551 else
552 return -EINVAL;
553 buf += 2;
554 }
37a41b4a
EP		 555 ret = kstrtoull(buf, 10, &tsf);
556 if (ret < 0)
6fc1da9b 557 return ret;
354d381b
PT		 558 if (tsf_is_delta && local->ops->offset_tsf) {
559 drv_offset_tsf(local, sdata, tsf_is_delta * tsf);
560 wiphy_info(local->hw.wiphy,
561 "debugfs offset TSF by %018lld\n",
562 tsf_is_delta * tsf);
563 } else if (local->ops->set_tsf) {
564 if (tsf_is_delta)
565 tsf = drv_get_tsf(local, sdata) +
566 tsf_is_delta * tsf;
37a41b4a
EP		 567 drv_set_tsf(local, sdata, tsf);
568 wiphy_info(local->hw.wiphy,
569 "debugfs set TSF to %#018llx\n", tsf);
570 }
571 }
572
057d5f4b 573 ieee80211_recalc_dtim(local, sdata);
37a41b4a
EP		 574 return buflen;
575}
4cd3c4ec 576IEEE80211_IF_FILE_RW(tsf);
37a41b4a
EP		 577
578
e9f207f0
JB		 579/* WDS attributes */
580IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
581
9f42f607 582#ifdef CONFIG_MAC80211_MESH
d4a5a489
AN		 583IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
584
9f42f607 585/* Mesh stats attributes */
c8a61a7d
DW		 586IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
587IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
472dbc45
JB		 588IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
589IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
cfee66b0 590IEEE80211_IF_FILE(dropped_frames_congestion,
a4f606ea 591 u.mesh.mshstats.dropped_frames_congestion, DEC);
9f42f607 592IEEE80211_IF_FILE(dropped_frames_no_route,
a4f606ea 593 u.mesh.mshstats.dropped_frames_no_route, DEC);
9f42f607
LCC		 594
595/* Mesh parameters */
36ff382d 596IEEE80211_IF_FILE(dot11MeshMaxRetries,
a4f606ea 597 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
36ff382d 598IEEE80211_IF_FILE(dot11MeshRetryTimeout,
a4f606ea 599 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
36ff382d 600IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
a4f606ea 601 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
36ff382d 602IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
a4f606ea 603 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
36ff382d 604IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
45904f21 605IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
36ff382d
JB		 606IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
607IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
a4f606ea 608 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
36ff382d 609IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
a4f606ea 610 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
36ff382d 611IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
a4f606ea 612 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
dca7e943 613IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
a4f606ea 614 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
36ff382d 615IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
a4f606ea 616 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
36ff382d 617IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
a4f606ea 618 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
36ff382d 619IEEE80211_IF_FILE(path_refresh_time,
a4f606ea 620 u.mesh.mshcfg.path_refresh_time, DEC);
36ff382d 621IEEE80211_IF_FILE(min_discovery_timeout,
a4f606ea 622 u.mesh.mshcfg.min_discovery_timeout, DEC);
63c5723b 623IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
a4f606ea 624 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
16dd7267 625IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
a4f606ea 626 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
0507e159 627IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
a4f606ea 628 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
94f90656 629IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
55335137 630IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
4416f5d2 631IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
ac1073a6
CYY		 632IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
633 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
634IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
635 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
728b19e5
CYY		 636IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
637 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
3f52b7e3
MP		 638IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
639IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
640 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
01d66fbd
BC		 641IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate,
642 u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC);
9f42f607
LCC		 643#endif
644
0f78231b 645#define DEBUGFS_ADD_MODE(name, mode) \
ddbfe860 646 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
0f78231b
JB		 647 sdata, &name##_ops);
648
fcb2c9e1
FF		 649#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
650
651static void add_common_files(struct ieee80211_sub_if_data *sdata)
e9f207f0 652{
2d46d7c1
JB		 653 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
654 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
19468413
SW		 655 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
656 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
b119ad6e
LB		 657 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz);
658 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz);
08643315 659 DEBUGFS_ADD(hw_queues);
8d51dbb8
THJ		 660
661 if (sdata->local->ops->wake_tx_queue)
662 DEBUGFS_ADD(aqm);
fcb2c9e1 663}
3e122be0 664
fcb2c9e1
FF		 665static void add_sta_files(struct ieee80211_sub_if_data *sdata)
666{
2d46d7c1
JB		 667 DEBUGFS_ADD(bssid);
668 DEBUGFS_ADD(aid);
78e443e4 669 DEBUGFS_ADD(beacon_timeout);
0f78231b 670 DEBUGFS_ADD_MODE(smps, 0600);
681d1190 671 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
802ee9ec 672 DEBUGFS_ADD_MODE(beacon_loss, 0200);
dc41e4d4
EP		 673 DEBUGFS_ADD_MODE(uapsd_queues, 0600);
674 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
82c0cc90 675 DEBUGFS_ADD_MODE(tdls_wider_bw, 0600);
e9f207f0
JB		 676}
677
678static void add_ap_files(struct ieee80211_sub_if_data *sdata)
679{
030ef8f8 680 DEBUGFS_ADD(num_mcast_sta);
687da132 681 DEBUGFS_ADD_MODE(smps, 0600);
2d46d7c1
JB		 682 DEBUGFS_ADD(num_sta_ps);
683 DEBUGFS_ADD(dtim_count);
684 DEBUGFS_ADD(num_buffered_multicast);
681d1190 685 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
ebceec86 686 DEBUGFS_ADD_MODE(multicast_to_unicast, 0600);
e9f207f0
JB		 687}
688
72f15d53
MB		 689static 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
37a41b4a
EP		 696static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
697{
698 DEBUGFS_ADD_MODE(tsf, 0600);
699}
700
e9f207f0
JB		 701static void add_wds_files(struct ieee80211_sub_if_data *sdata)
702{
2d46d7c1 703 DEBUGFS_ADD(peer);
e9f207f0
JB		 704}
705
9f42f607 706#ifdef CONFIG_MAC80211_MESH
9f42f607 707
12ce8ba3
JC		 708static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
709{
710 DEBUGFS_ADD_MODE(tsf, 0600);
d4a5a489 711 DEBUGFS_ADD_MODE(estab_plinks, 0400);
12ce8ba3
JC		 712}
713
9f42f607
LCC		 714static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
715{
7bcfaf2f 716 struct dentry *dir = debugfs_create_dir("mesh_stats",
ddbfe860 717 sdata->vif.debugfs_dir);
7bcfaf2f
JB		 718#define MESHSTATS_ADD(name)\
719 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
720
c8a61a7d
DW		 721 MESHSTATS_ADD(fwded_mcast);
722 MESHSTATS_ADD(fwded_unicast);
9f42f607
LCC		 723 MESHSTATS_ADD(fwded_frames);
724 MESHSTATS_ADD(dropped_frames_ttl);
725 MESHSTATS_ADD(dropped_frames_no_route);
cfee66b0 726 MESHSTATS_ADD(dropped_frames_congestion);
7bcfaf2f 727#undef MESHSTATS_ADD
9f42f607
LCC		 728}
729
9f42f607
LCC		 730static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
731{
7bcfaf2f 732 struct dentry *dir = debugfs_create_dir("mesh_config",
ddbfe860 733 sdata->vif.debugfs_dir);
7bcfaf2f
JB		 734
735#define MESHPARAMS_ADD(name) \
736 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
737
9f42f607
LCC		 738 MESHPARAMS_ADD(dot11MeshMaxRetries);
739 MESHPARAMS_ADD(dot11MeshRetryTimeout);
740 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
741 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
742 MESHPARAMS_ADD(dot11MeshTTL);
45904f21 743 MESHPARAMS_ADD(element_ttl);
9f42f607
LCC		 744 MESHPARAMS_ADD(auto_open_plinks);
745 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
746 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
747 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
dca7e943 748 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
9f42f607
LCC		 749 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
750 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
751 MESHPARAMS_ADD(path_refresh_time);
752 MESHPARAMS_ADD(min_discovery_timeout);
699403db 753 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
0507e159 754 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
8c06e8c0 755 MESHPARAMS_ADD(dot11MeshForwarding);
16dd7267 756 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
55335137 757 MESHPARAMS_ADD(rssi_threshold);
4416f5d2 758 MESHPARAMS_ADD(ht_opmode);
ac1073a6
CYY		 759 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
760 MESHPARAMS_ADD(dot11MeshHWMProotInterval);
728b19e5 761 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
3f52b7e3
MP		 762 MESHPARAMS_ADD(power_mode);
763 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
01d66fbd 764 MESHPARAMS_ADD(dot11MeshConnectedToMeshGate);
7bcfaf2f 765#undef MESHPARAMS_ADD
9f42f607
LCC		 766}
767#endif
768
e9f207f0
JB		 769static void add_files(struct ieee80211_sub_if_data *sdata)
770{
ddbfe860 771 if (!sdata->vif.debugfs_dir)
e9f207f0
JB		 772 return;
773
fcb2c9e1
FF		 774 DEBUGFS_ADD(flags);
775 DEBUGFS_ADD(state);
1ea6f9c0
JB		 776 DEBUGFS_ADD(txpower);
777 DEBUGFS_ADD(user_power_level);
778 DEBUGFS_ADD(ap_power_level);
fcb2c9e1
FF		 779
780 if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
781 add_common_files(sdata);
782
51fb61e7 783 switch (sdata->vif.type) {
05c914fe 784 case NL80211_IFTYPE_MESH_POINT:
9f42f607 785#ifdef CONFIG_MAC80211_MESH
12ce8ba3 786 add_mesh_files(sdata);
9f42f607
LCC		 787 add_mesh_stats(sdata);
788 add_mesh_config(sdata);
789#endif
472dbc45 790 break;
05c914fe 791 case NL80211_IFTYPE_STATION:
e9f207f0
JB		 792 add_sta_files(sdata);
793 break;
46900298 794 case NL80211_IFTYPE_ADHOC:
37a41b4a 795 add_ibss_files(sdata);
46900298 796 break;
05c914fe 797 case NL80211_IFTYPE_AP:
e9f207f0
JB		 798 add_ap_files(sdata);
799 break;
72f15d53
MB		 800 case NL80211_IFTYPE_AP_VLAN:
801 add_vlan_files(sdata);
802 break;
05c914fe 803 case NL80211_IFTYPE_WDS:
e9f207f0
JB		 804 add_wds_files(sdata);
805 break;
e9f207f0
JB		 806 default:
807 break;
808 }
809}
810
e9f207f0
JB		 811void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
812{
813 char buf[10+IFNAMSIZ];
814
47846c9b 815 sprintf(buf, "netdev:%s", sdata->name);
ddbfe860 816 sdata->vif.debugfs_dir = debugfs_create_dir(buf,
e9f207f0 817 sdata->local->hw.wiphy->debugfsdir);
5a7bb7ce
GKH		 818 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
819 sdata->vif.debugfs_dir);
75636525 820 add_files(sdata);
e9f207f0
JB		 821}
822
823void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
824{
ddbfe860 825 if (!sdata->vif.debugfs_dir)
7bcfaf2f
JB		 826 return;
827
ddbfe860
SG		 828 debugfs_remove_recursive(sdata->vif.debugfs_dir);
829 sdata->vif.debugfs_dir = NULL;
4479004e 830 sdata->debugfs.subdir_stations = NULL;
e9f207f0
JB		 831}
832
47846c9b 833void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
e9f207f0 834{
7c8081eb 835 struct dentry *dir;
47846c9b 836 char buf[10 + IFNAMSIZ];
3e122be0 837
ddbfe860 838 dir = sdata->vif.debugfs_dir;
c74e90a9 839
51787914 840 if (IS_ERR_OR_NULL(dir))
47846c9b 841 return;
c74e90a9 842
47846c9b 843 sprintf(buf, "netdev:%s", sdata->name);
5a7bb7ce 844 debugfs_rename(dir->d_parent, dir, dir->d_parent, buf);
e9f207f0 845}
Linux 6.x block layer and io_uring tree(s)