Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
3 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 */
9
10#include <linux/kernel.h>
11#include <linux/device.h>
12#include <linux/if.h>
13#include <linux/if_ether.h>
14#include <linux/interrupt.h>
15#include <linux/netdevice.h>
16#include <linux/rtnetlink.h>
17#include <linux/slab.h>
18#include <linux/notifier.h>
19#include <net/mac80211.h>
20#include <net/cfg80211.h>
21#include "ieee80211_i.h"
22#include "rate.h"
23#include "debugfs.h"
24#include "debugfs_netdev.h"
25#include "driver-ops.h"
26
27static ssize_t ieee80211_if_read(
28 struct ieee80211_sub_if_data *sdata,
29 char __user *userbuf,
30 size_t count, loff_t *ppos,
31 ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
32{
33 char buf[70];
34 ssize_t ret = -EINVAL;
35
36 read_lock(&dev_base_lock);
37 ret = (*format)(sdata, buf, sizeof(buf));
38 read_unlock(&dev_base_lock);
39
40 if (ret >= 0)
41 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
42
43 return ret;
44}
45
46static ssize_t ieee80211_if_write(
47 struct ieee80211_sub_if_data *sdata,
48 const char __user *userbuf,
49 size_t count, loff_t *ppos,
50 ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
51{
52 char buf[64];
53 ssize_t ret;
54
55 if (count >= sizeof(buf))
56 return -E2BIG;
57
58 if (copy_from_user(buf, userbuf, count))
59 return -EFAULT;
60 buf[count] = '\0';
61
62 ret = -ENODEV;
63 rtnl_lock();
64 ret = (*write)(sdata, buf, count);
65 rtnl_unlock();
66
67 return ret;
68}
69
70#define IEEE80211_IF_FMT(name, field, format_string) \
71static ssize_t ieee80211_if_fmt_##name( \
72 const struct ieee80211_sub_if_data *sdata, char *buf, \
73 int buflen) \
74{ \
75 return scnprintf(buf, buflen, format_string, sdata->field); \
76}
77#define IEEE80211_IF_FMT_DEC(name, field) \
78 IEEE80211_IF_FMT(name, field, "%d\n")
79#define IEEE80211_IF_FMT_HEX(name, field) \
80 IEEE80211_IF_FMT(name, field, "%#x\n")
81#define IEEE80211_IF_FMT_LHEX(name, field) \
82 IEEE80211_IF_FMT(name, field, "%#lx\n")
83#define IEEE80211_IF_FMT_SIZE(name, field) \
84 IEEE80211_IF_FMT(name, field, "%zd\n")
85
86#define IEEE80211_IF_FMT_HEXARRAY(name, field) \
87static ssize_t ieee80211_if_fmt_##name( \
88 const struct ieee80211_sub_if_data *sdata, \
89 char *buf, int buflen) \
90{ \
91 char *p = buf; \
92 int i; \
93 for (i = 0; i < sizeof(sdata->field); i++) { \
94 p += scnprintf(p, buflen + buf - p, "%.2x ", \
95 sdata->field[i]); \
96 } \
97 p += scnprintf(p, buflen + buf - p, "\n"); \
98 return p - buf; \
99}
100
101#define IEEE80211_IF_FMT_ATOMIC(name, field) \
102static ssize_t ieee80211_if_fmt_##name( \
103 const struct ieee80211_sub_if_data *sdata, \
104 char *buf, int buflen) \
105{ \
106 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
107}
108
109#define IEEE80211_IF_FMT_MAC(name, field) \
110static ssize_t ieee80211_if_fmt_##name( \
111 const struct ieee80211_sub_if_data *sdata, char *buf, \
112 int buflen) \
113{ \
114 return scnprintf(buf, buflen, "%pM\n", sdata->field); \
115}
116
117#define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \
118static ssize_t ieee80211_if_fmt_##name( \
119 const struct ieee80211_sub_if_data *sdata, \
120 char *buf, int buflen) \
121{ \
122 return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \
123}
124
125#define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \
126static ssize_t ieee80211_if_fmt_##name( \
127 const struct ieee80211_sub_if_data *sdata, \
128 char *buf, int buflen) \
129{ \
130 return scnprintf(buf, buflen, "%d\n", \
131 jiffies_to_msecs(sdata->field)); \
132}
133
134#define _IEEE80211_IF_FILE_OPS(name, _read, _write) \
135static const struct file_operations name##_ops = { \
136 .read = (_read), \
137 .write = (_write), \
138 .open = simple_open, \
139 .llseek = generic_file_llseek, \
140}
141
142#define _IEEE80211_IF_FILE_R_FN(name) \
143static ssize_t ieee80211_if_read_##name(struct file *file, \
144 char __user *userbuf, \
145 size_t count, loff_t *ppos) \
146{ \
147 return ieee80211_if_read(file->private_data, \
148 userbuf, count, ppos, \
149 ieee80211_if_fmt_##name); \
150}
151
152#define _IEEE80211_IF_FILE_W_FN(name) \
153static ssize_t ieee80211_if_write_##name(struct file *file, \
154 const char __user *userbuf, \
155 size_t count, loff_t *ppos) \
156{ \
157 return ieee80211_if_write(file->private_data, userbuf, count, \
158 ppos, ieee80211_if_parse_##name); \
159}
160
161#define IEEE80211_IF_FILE_R(name) \
162 _IEEE80211_IF_FILE_R_FN(name) \
163 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
164
165#define IEEE80211_IF_FILE_W(name) \
166 _IEEE80211_IF_FILE_W_FN(name) \
167 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
168
169#define IEEE80211_IF_FILE_RW(name) \
170 _IEEE80211_IF_FILE_R_FN(name) \
171 _IEEE80211_IF_FILE_W_FN(name) \
172 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \
173 ieee80211_if_write_##name)
174
175#define IEEE80211_IF_FILE(name, field, format) \
176 IEEE80211_IF_FMT_##format(name, field) \
177 IEEE80211_IF_FILE_R(name)
178
179/* common attributes */
180IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
181 HEX);
182IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
183 HEX);
184IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
185 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
186IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
187 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
188
189static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz(
190 const struct ieee80211_sub_if_data *sdata,
191 char *buf, int buflen)
192{
193 int i, len = 0;
194 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[IEEE80211_BAND_2GHZ];
195
196 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
197 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);
198 len += scnprintf(buf + len, buflen - len, "\n");
199
200 return len;
201}
202
203IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz);
204
205static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz(
206 const struct ieee80211_sub_if_data *sdata,
207 char *buf, int buflen)
208{
209 int i, len = 0;
210 const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[IEEE80211_BAND_5GHZ];
211
212 for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
213 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);
214 len += scnprintf(buf + len, buflen - len, "\n");
215
216 return len;
217}
218
219IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz);
220
221IEEE80211_IF_FILE(flags, flags, HEX);
222IEEE80211_IF_FILE(state, state, LHEX);
223IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
224IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
225IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
226
227static ssize_t
228ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
229 char *buf, int buflen)
230{
231 int len;
232
233 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
234 sdata->vif.hw_queue[IEEE80211_AC_VO],
235 sdata->vif.hw_queue[IEEE80211_AC_VI],
236 sdata->vif.hw_queue[IEEE80211_AC_BE],
237 sdata->vif.hw_queue[IEEE80211_AC_BK]);
238
239 if (sdata->vif.type == NL80211_IFTYPE_AP)
240 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
241 sdata->vif.cab_queue);
242
243 return len;
244}
245IEEE80211_IF_FILE_R(hw_queues);
246
247/* STA attributes */
248IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
249IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
250IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
251IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
252IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
253
254static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
255 enum ieee80211_smps_mode smps_mode)
256{
257 struct ieee80211_local *local = sdata->local;
258 int err;
259
260 if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&
261 smps_mode == IEEE80211_SMPS_STATIC)
262 return -EINVAL;
263
264 /* auto should be dynamic if in PS mode */
265 if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) &&
266 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
267 smps_mode == IEEE80211_SMPS_AUTOMATIC))
268 return -EINVAL;
269
270 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
271 sdata->vif.type != NL80211_IFTYPE_AP)
272 return -EOPNOTSUPP;
273
274 sdata_lock(sdata);
275 if (sdata->vif.type == NL80211_IFTYPE_STATION)
276 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
277 else
278 err = __ieee80211_request_smps_ap(sdata, smps_mode);
279 sdata_unlock(sdata);
280
281 return err;
282}
283
284static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
285 [IEEE80211_SMPS_AUTOMATIC] = "auto",
286 [IEEE80211_SMPS_OFF] = "off",
287 [IEEE80211_SMPS_STATIC] = "static",
288 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
289};
290
291static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
292 char *buf, int buflen)
293{
294 if (sdata->vif.type == NL80211_IFTYPE_STATION)
295 return snprintf(buf, buflen, "request: %s\nused: %s\n",
296 smps_modes[sdata->u.mgd.req_smps],
297 smps_modes[sdata->smps_mode]);
298 if (sdata->vif.type == NL80211_IFTYPE_AP)
299 return snprintf(buf, buflen, "request: %s\nused: %s\n",
300 smps_modes[sdata->u.ap.req_smps],
301 smps_modes[sdata->smps_mode]);
302 return -EINVAL;
303}
304
305static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
306 const char *buf, int buflen)
307{
308 enum ieee80211_smps_mode mode;
309
310 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
311 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
312 int err = ieee80211_set_smps(sdata, mode);
313 if (!err)
314 return buflen;
315 return err;
316 }
317 }
318
319 return -EINVAL;
320}
321IEEE80211_IF_FILE_RW(smps);
322
323static ssize_t ieee80211_if_parse_tkip_mic_test(
324 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
325{
326 struct ieee80211_local *local = sdata->local;
327 u8 addr[ETH_ALEN];
328 struct sk_buff *skb;
329 struct ieee80211_hdr *hdr;
330 __le16 fc;
331
332 if (!mac_pton(buf, addr))
333 return -EINVAL;
334
335 if (!ieee80211_sdata_running(sdata))
336 return -ENOTCONN;
337
338 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
339 if (!skb)
340 return -ENOMEM;
341 skb_reserve(skb, local->hw.extra_tx_headroom);
342
343 hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
344 memset(hdr, 0, 24);
345 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
346
347 switch (sdata->vif.type) {
348 case NL80211_IFTYPE_AP:
349 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
350 /* DA BSSID SA */
351 memcpy(hdr->addr1, addr, ETH_ALEN);
352 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
353 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
354 break;
355 case NL80211_IFTYPE_STATION:
356 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
357 /* BSSID SA DA */
358 sdata_lock(sdata);
359 if (!sdata->u.mgd.associated) {
360 sdata_unlock(sdata);
361 dev_kfree_skb(skb);
362 return -ENOTCONN;
363 }
364 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
365 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
366 memcpy(hdr->addr3, addr, ETH_ALEN);
367 sdata_unlock(sdata);
368 break;
369 default:
370 dev_kfree_skb(skb);
371 return -EOPNOTSUPP;
372 }
373 hdr->frame_control = fc;
374
375 /*
376 * Add some length to the test frame to make it look bit more valid.
377 * The exact contents does not matter since the recipient is required
378 * to drop this because of the Michael MIC failure.
379 */
380 memset(skb_put(skb, 50), 0, 50);
381
382 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
383
384 ieee80211_tx_skb(sdata, skb);
385
386 return buflen;
387}
388IEEE80211_IF_FILE_W(tkip_mic_test);
389
390static ssize_t ieee80211_if_parse_beacon_loss(
391 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
392{
393 if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
394 return -ENOTCONN;
395
396 ieee80211_beacon_loss(&sdata->vif);
397
398 return buflen;
399}
400IEEE80211_IF_FILE_W(beacon_loss);
401
402static ssize_t ieee80211_if_fmt_uapsd_queues(
403 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
404{
405 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
406
407 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
408}
409
410static ssize_t ieee80211_if_parse_uapsd_queues(
411 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
412{
413 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
414 u8 val;
415 int ret;
416
417 ret = kstrtou8(buf, 0, &val);
418 if (ret)
419 return ret;
420
421 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
422 return -ERANGE;
423
424 ifmgd->uapsd_queues = val;
425
426 return buflen;
427}
428IEEE80211_IF_FILE_RW(uapsd_queues);
429
430static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
431 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
432{
433 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
434
435 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
436}
437
438static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
439 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
440{
441 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
442 unsigned long val;
443 int ret;
444
445 ret = kstrtoul(buf, 0, &val);
446 if (ret)
447 return -EINVAL;
448
449 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
450 return -ERANGE;
451
452 ifmgd->uapsd_max_sp_len = val;
453
454 return buflen;
455}
456IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
457
458/* AP attributes */
459IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
460IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
461IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
462
463static ssize_t ieee80211_if_fmt_num_buffered_multicast(
464 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
465{
466 return scnprintf(buf, buflen, "%u\n",
467 skb_queue_len(&sdata->u.ap.ps.bc_buf));
468}
469IEEE80211_IF_FILE_R(num_buffered_multicast);
470
471/* IBSS attributes */
472static ssize_t ieee80211_if_fmt_tsf(
473 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
474{
475 struct ieee80211_local *local = sdata->local;
476 u64 tsf;
477
478 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
479
480 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
481}
482
483static ssize_t ieee80211_if_parse_tsf(
484 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
485{
486 struct ieee80211_local *local = sdata->local;
487 unsigned long long tsf;
488 int ret;
489 int tsf_is_delta = 0;
490
491 if (strncmp(buf, "reset", 5) == 0) {
492 if (local->ops->reset_tsf) {
493 drv_reset_tsf(local, sdata);
494 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
495 }
496 } else {
497 if (buflen > 10 && buf[1] == '=') {
498 if (buf[0] == '+')
499 tsf_is_delta = 1;
500 else if (buf[0] == '-')
501 tsf_is_delta = -1;
502 else
503 return -EINVAL;
504 buf += 2;
505 }
506 ret = kstrtoull(buf, 10, &tsf);
507 if (ret < 0)
508 return ret;
509 if (tsf_is_delta)
510 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
511 if (local->ops->set_tsf) {
512 drv_set_tsf(local, sdata, tsf);
513 wiphy_info(local->hw.wiphy,
514 "debugfs set TSF to %#018llx\n", tsf);
515 }
516 }
517
518 ieee80211_recalc_dtim(local, sdata);
519 return buflen;
520}
521IEEE80211_IF_FILE_RW(tsf);
522
523
524/* WDS attributes */
525IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
526
527#ifdef CONFIG_MAC80211_MESH
528IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
529
530/* Mesh stats attributes */
531IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
532IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
533IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
534IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
535IEEE80211_IF_FILE(dropped_frames_congestion,
536 u.mesh.mshstats.dropped_frames_congestion, DEC);
537IEEE80211_IF_FILE(dropped_frames_no_route,
538 u.mesh.mshstats.dropped_frames_no_route, DEC);
539
540/* Mesh parameters */
541IEEE80211_IF_FILE(dot11MeshMaxRetries,
542 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
543IEEE80211_IF_FILE(dot11MeshRetryTimeout,
544 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
545IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
546 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
547IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
548 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
549IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
550IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
551IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
552IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
553 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
554IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
555 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
556IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
557 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
558IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
559 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
560IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
561 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
562IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
563 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
564IEEE80211_IF_FILE(path_refresh_time,
565 u.mesh.mshcfg.path_refresh_time, DEC);
566IEEE80211_IF_FILE(min_discovery_timeout,
567 u.mesh.mshcfg.min_discovery_timeout, DEC);
568IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
569 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
570IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
571 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
572IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
573 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
574IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
575IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
576IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
577IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
578 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
579IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
580 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
581IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
582 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
583IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
584IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
585 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
586#endif
587
588#define DEBUGFS_ADD_MODE(name, mode) \
589 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
590 sdata, &name##_ops);
591
592#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
593
594static void add_common_files(struct ieee80211_sub_if_data *sdata)
595{
596 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
597 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
598 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
599 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
600 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz);
601 DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz);
602 DEBUGFS_ADD(hw_queues);
603}
604
605static void add_sta_files(struct ieee80211_sub_if_data *sdata)
606{
607 DEBUGFS_ADD(bssid);
608 DEBUGFS_ADD(aid);
609 DEBUGFS_ADD(last_beacon);
610 DEBUGFS_ADD(ave_beacon);
611 DEBUGFS_ADD(beacon_timeout);
612 DEBUGFS_ADD_MODE(smps, 0600);
613 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
614 DEBUGFS_ADD_MODE(beacon_loss, 0200);
615 DEBUGFS_ADD_MODE(uapsd_queues, 0600);
616 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
617}
618
619static void add_ap_files(struct ieee80211_sub_if_data *sdata)
620{
621 DEBUGFS_ADD(num_mcast_sta);
622 DEBUGFS_ADD_MODE(smps, 0600);
623 DEBUGFS_ADD(num_sta_ps);
624 DEBUGFS_ADD(dtim_count);
625 DEBUGFS_ADD(num_buffered_multicast);
626 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
627}
628
629static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
630{
631 DEBUGFS_ADD_MODE(tsf, 0600);
632}
633
634static void add_wds_files(struct ieee80211_sub_if_data *sdata)
635{
636 DEBUGFS_ADD(peer);
637}
638
639#ifdef CONFIG_MAC80211_MESH
640
641static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
642{
643 DEBUGFS_ADD_MODE(tsf, 0600);
644 DEBUGFS_ADD_MODE(estab_plinks, 0400);
645}
646
647static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
648{
649 struct dentry *dir = debugfs_create_dir("mesh_stats",
650 sdata->vif.debugfs_dir);
651#define MESHSTATS_ADD(name)\
652 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
653
654 MESHSTATS_ADD(fwded_mcast);
655 MESHSTATS_ADD(fwded_unicast);
656 MESHSTATS_ADD(fwded_frames);
657 MESHSTATS_ADD(dropped_frames_ttl);
658 MESHSTATS_ADD(dropped_frames_no_route);
659 MESHSTATS_ADD(dropped_frames_congestion);
660#undef MESHSTATS_ADD
661}
662
663static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
664{
665 struct dentry *dir = debugfs_create_dir("mesh_config",
666 sdata->vif.debugfs_dir);
667
668#define MESHPARAMS_ADD(name) \
669 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
670
671 MESHPARAMS_ADD(dot11MeshMaxRetries);
672 MESHPARAMS_ADD(dot11MeshRetryTimeout);
673 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
674 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
675 MESHPARAMS_ADD(dot11MeshTTL);
676 MESHPARAMS_ADD(element_ttl);
677 MESHPARAMS_ADD(auto_open_plinks);
678 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
679 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
680 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
681 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
682 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
683 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
684 MESHPARAMS_ADD(path_refresh_time);
685 MESHPARAMS_ADD(min_discovery_timeout);
686 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
687 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
688 MESHPARAMS_ADD(dot11MeshForwarding);
689 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
690 MESHPARAMS_ADD(rssi_threshold);
691 MESHPARAMS_ADD(ht_opmode);
692 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
693 MESHPARAMS_ADD(dot11MeshHWMProotInterval);
694 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
695 MESHPARAMS_ADD(power_mode);
696 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
697#undef MESHPARAMS_ADD
698}
699#endif
700
701static void add_files(struct ieee80211_sub_if_data *sdata)
702{
703 if (!sdata->vif.debugfs_dir)
704 return;
705
706 DEBUGFS_ADD(flags);
707 DEBUGFS_ADD(state);
708 DEBUGFS_ADD(txpower);
709 DEBUGFS_ADD(user_power_level);
710 DEBUGFS_ADD(ap_power_level);
711
712 if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
713 add_common_files(sdata);
714
715 switch (sdata->vif.type) {
716 case NL80211_IFTYPE_MESH_POINT:
717#ifdef CONFIG_MAC80211_MESH
718 add_mesh_files(sdata);
719 add_mesh_stats(sdata);
720 add_mesh_config(sdata);
721#endif
722 break;
723 case NL80211_IFTYPE_STATION:
724 add_sta_files(sdata);
725 break;
726 case NL80211_IFTYPE_ADHOC:
727 add_ibss_files(sdata);
728 break;
729 case NL80211_IFTYPE_AP:
730 add_ap_files(sdata);
731 break;
732 case NL80211_IFTYPE_WDS:
733 add_wds_files(sdata);
734 break;
735 default:
736 break;
737 }
738}
739
740void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
741{
742 char buf[10+IFNAMSIZ];
743
744 sprintf(buf, "netdev:%s", sdata->name);
745 sdata->vif.debugfs_dir = debugfs_create_dir(buf,
746 sdata->local->hw.wiphy->debugfsdir);
747 if (sdata->vif.debugfs_dir)
748 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
749 sdata->vif.debugfs_dir);
750 add_files(sdata);
751}
752
753void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
754{
755 if (!sdata->vif.debugfs_dir)
756 return;
757
758 debugfs_remove_recursive(sdata->vif.debugfs_dir);
759 sdata->vif.debugfs_dir = NULL;
760 sdata->debugfs.subdir_stations = NULL;
761}
762
763void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
764{
765 struct dentry *dir;
766 char buf[10 + IFNAMSIZ];
767
768 dir = sdata->vif.debugfs_dir;
769
770 if (!dir)
771 return;
772
773 sprintf(buf, "netdev:%s", sdata->name);
774 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
775 sdata_err(sdata,
776 "debugfs: failed to rename debugfs dir to %s\n",
777 buf);
778}