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 if (sdata->dev->reg_state == NETREG_REGISTERED)
38 ret = (*format)(sdata, buf, sizeof(buf));
39 read_unlock(&dev_base_lock);
40
41 if (ret >= 0)
42 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
43
44 return ret;
45}
46
47static ssize_t ieee80211_if_write(
48 struct ieee80211_sub_if_data *sdata,
49 const char __user *userbuf,
50 size_t count, loff_t *ppos,
51 ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
52{
53 char buf[64];
54 ssize_t ret;
55
56 if (count >= sizeof(buf))
57 return -E2BIG;
58
59 if (copy_from_user(buf, userbuf, count))
60 return -EFAULT;
61 buf[count] = '\0';
62
63 ret = -ENODEV;
64 rtnl_lock();
65 if (sdata->dev->reg_state == NETREG_REGISTERED)
66 ret = (*write)(sdata, buf, count);
67 rtnl_unlock();
68
69 return ret;
70}
71
72#define IEEE80211_IF_FMT(name, field, format_string) \
73static ssize_t ieee80211_if_fmt_##name( \
74 const struct ieee80211_sub_if_data *sdata, char *buf, \
75 int buflen) \
76{ \
77 return scnprintf(buf, buflen, format_string, sdata->field); \
78}
79#define IEEE80211_IF_FMT_DEC(name, field) \
80 IEEE80211_IF_FMT(name, field, "%d\n")
81#define IEEE80211_IF_FMT_HEX(name, field) \
82 IEEE80211_IF_FMT(name, field, "%#x\n")
83#define IEEE80211_IF_FMT_LHEX(name, field) \
84 IEEE80211_IF_FMT(name, field, "%#lx\n")
85#define IEEE80211_IF_FMT_SIZE(name, field) \
86 IEEE80211_IF_FMT(name, field, "%zd\n")
87
88#define IEEE80211_IF_FMT_HEXARRAY(name, field) \
89static ssize_t ieee80211_if_fmt_##name( \
90 const struct ieee80211_sub_if_data *sdata, \
91 char *buf, int buflen) \
92{ \
93 char *p = buf; \
94 int i; \
95 for (i = 0; i < sizeof(sdata->field); i++) { \
96 p += scnprintf(p, buflen + buf - p, "%.2x ", \
97 sdata->field[i]); \
98 } \
99 p += scnprintf(p, buflen + buf - p, "\n"); \
100 return p - buf; \
101}
102
103#define IEEE80211_IF_FMT_ATOMIC(name, field) \
104static ssize_t ieee80211_if_fmt_##name( \
105 const struct ieee80211_sub_if_data *sdata, \
106 char *buf, int buflen) \
107{ \
108 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
109}
110
111#define IEEE80211_IF_FMT_MAC(name, field) \
112static ssize_t ieee80211_if_fmt_##name( \
113 const struct ieee80211_sub_if_data *sdata, char *buf, \
114 int buflen) \
115{ \
116 return scnprintf(buf, buflen, "%pM\n", sdata->field); \
117}
118
119#define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \
120static ssize_t ieee80211_if_fmt_##name( \
121 const struct ieee80211_sub_if_data *sdata, \
122 char *buf, int buflen) \
123{ \
124 return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \
125}
126
127#define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field) \
128static ssize_t ieee80211_if_fmt_##name( \
129 const struct ieee80211_sub_if_data *sdata, \
130 char *buf, int buflen) \
131{ \
132 return scnprintf(buf, buflen, "%d\n", \
133 jiffies_to_msecs(sdata->field)); \
134}
135
136#define _IEEE80211_IF_FILE_OPS(name, _read, _write) \
137static const struct file_operations name##_ops = { \
138 .read = (_read), \
139 .write = (_write), \
140 .open = simple_open, \
141 .llseek = generic_file_llseek, \
142}
143
144#define _IEEE80211_IF_FILE_R_FN(name) \
145static ssize_t ieee80211_if_read_##name(struct file *file, \
146 char __user *userbuf, \
147 size_t count, loff_t *ppos) \
148{ \
149 return ieee80211_if_read(file->private_data, \
150 userbuf, count, ppos, \
151 ieee80211_if_fmt_##name); \
152}
153
154#define _IEEE80211_IF_FILE_W_FN(name) \
155static ssize_t ieee80211_if_write_##name(struct file *file, \
156 const char __user *userbuf, \
157 size_t count, loff_t *ppos) \
158{ \
159 return ieee80211_if_write(file->private_data, userbuf, count, \
160 ppos, ieee80211_if_parse_##name); \
161}
162
163#define IEEE80211_IF_FILE_R(name) \
164 _IEEE80211_IF_FILE_R_FN(name) \
165 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
166
167#define IEEE80211_IF_FILE_W(name) \
168 _IEEE80211_IF_FILE_W_FN(name) \
169 _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
170
171#define IEEE80211_IF_FILE_RW(name) \
172 _IEEE80211_IF_FILE_R_FN(name) \
173 _IEEE80211_IF_FILE_W_FN(name) \
174 _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \
175 ieee80211_if_write_##name)
176
177#define IEEE80211_IF_FILE(name, field, format) \
178 IEEE80211_IF_FMT_##format(name, field) \
179 IEEE80211_IF_FILE_R(name)
180
181/* common attributes */
182IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
183IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
184 HEX);
185IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
186 HEX);
187IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
188 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
189IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
190 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
191
192IEEE80211_IF_FILE(flags, flags, HEX);
193IEEE80211_IF_FILE(state, state, LHEX);
194IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
195IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
196IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
197
198static ssize_t
199ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
200 char *buf, int buflen)
201{
202 int len;
203
204 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
205 sdata->vif.hw_queue[IEEE80211_AC_VO],
206 sdata->vif.hw_queue[IEEE80211_AC_VI],
207 sdata->vif.hw_queue[IEEE80211_AC_BE],
208 sdata->vif.hw_queue[IEEE80211_AC_BK]);
209
210 if (sdata->vif.type == NL80211_IFTYPE_AP)
211 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
212 sdata->vif.cab_queue);
213
214 return len;
215}
216IEEE80211_IF_FILE_R(hw_queues);
217
218/* STA attributes */
219IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
220IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
221IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
222IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
223IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
224
225static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
226 enum ieee80211_smps_mode smps_mode)
227{
228 struct ieee80211_local *local = sdata->local;
229 int err;
230
231 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
232 smps_mode == IEEE80211_SMPS_STATIC)
233 return -EINVAL;
234
235 /* auto should be dynamic if in PS mode */
236 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
237 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
238 smps_mode == IEEE80211_SMPS_AUTOMATIC))
239 return -EINVAL;
240
241 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
242 sdata->vif.type != NL80211_IFTYPE_AP)
243 return -EOPNOTSUPP;
244
245 sdata_lock(sdata);
246 if (sdata->vif.type == NL80211_IFTYPE_STATION)
247 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
248 else
249 err = __ieee80211_request_smps_ap(sdata, smps_mode);
250 sdata_unlock(sdata);
251
252 return err;
253}
254
255static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
256 [IEEE80211_SMPS_AUTOMATIC] = "auto",
257 [IEEE80211_SMPS_OFF] = "off",
258 [IEEE80211_SMPS_STATIC] = "static",
259 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
260};
261
262static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
263 char *buf, int buflen)
264{
265 if (sdata->vif.type == NL80211_IFTYPE_STATION)
266 return snprintf(buf, buflen, "request: %s\nused: %s\n",
267 smps_modes[sdata->u.mgd.req_smps],
268 smps_modes[sdata->smps_mode]);
269 if (sdata->vif.type == NL80211_IFTYPE_AP)
270 return snprintf(buf, buflen, "request: %s\nused: %s\n",
271 smps_modes[sdata->u.ap.req_smps],
272 smps_modes[sdata->smps_mode]);
273 return -EINVAL;
274}
275
276static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
277 const char *buf, int buflen)
278{
279 enum ieee80211_smps_mode mode;
280
281 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
282 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
283 int err = ieee80211_set_smps(sdata, mode);
284 if (!err)
285 return buflen;
286 return err;
287 }
288 }
289
290 return -EINVAL;
291}
292IEEE80211_IF_FILE_RW(smps);
293
294static ssize_t ieee80211_if_parse_tkip_mic_test(
295 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
296{
297 struct ieee80211_local *local = sdata->local;
298 u8 addr[ETH_ALEN];
299 struct sk_buff *skb;
300 struct ieee80211_hdr *hdr;
301 __le16 fc;
302
303 if (!mac_pton(buf, addr))
304 return -EINVAL;
305
306 if (!ieee80211_sdata_running(sdata))
307 return -ENOTCONN;
308
309 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
310 if (!skb)
311 return -ENOMEM;
312 skb_reserve(skb, local->hw.extra_tx_headroom);
313
314 hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
315 memset(hdr, 0, 24);
316 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
317
318 switch (sdata->vif.type) {
319 case NL80211_IFTYPE_AP:
320 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
321 /* DA BSSID SA */
322 memcpy(hdr->addr1, addr, ETH_ALEN);
323 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
324 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
325 break;
326 case NL80211_IFTYPE_STATION:
327 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
328 /* BSSID SA DA */
329 sdata_lock(sdata);
330 if (!sdata->u.mgd.associated) {
331 sdata_unlock(sdata);
332 dev_kfree_skb(skb);
333 return -ENOTCONN;
334 }
335 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
336 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
337 memcpy(hdr->addr3, addr, ETH_ALEN);
338 sdata_unlock(sdata);
339 break;
340 default:
341 dev_kfree_skb(skb);
342 return -EOPNOTSUPP;
343 }
344 hdr->frame_control = fc;
345
346 /*
347 * Add some length to the test frame to make it look bit more valid.
348 * The exact contents does not matter since the recipient is required
349 * to drop this because of the Michael MIC failure.
350 */
351 memset(skb_put(skb, 50), 0, 50);
352
353 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
354
355 ieee80211_tx_skb(sdata, skb);
356
357 return buflen;
358}
359IEEE80211_IF_FILE_W(tkip_mic_test);
360
361static ssize_t ieee80211_if_fmt_uapsd_queues(
362 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
363{
364 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
365
366 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
367}
368
369static ssize_t ieee80211_if_parse_uapsd_queues(
370 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
371{
372 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
373 u8 val;
374 int ret;
375
376 ret = kstrtou8(buf, 0, &val);
377 if (ret)
378 return ret;
379
380 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
381 return -ERANGE;
382
383 ifmgd->uapsd_queues = val;
384
385 return buflen;
386}
387IEEE80211_IF_FILE_RW(uapsd_queues);
388
389static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
390 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
391{
392 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
393
394 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
395}
396
397static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
398 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
399{
400 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
401 unsigned long val;
402 int ret;
403
404 ret = kstrtoul(buf, 0, &val);
405 if (ret)
406 return -EINVAL;
407
408 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
409 return -ERANGE;
410
411 ifmgd->uapsd_max_sp_len = val;
412
413 return buflen;
414}
415IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
416
417/* AP attributes */
418IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
419IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
420IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
421
422static ssize_t ieee80211_if_fmt_num_buffered_multicast(
423 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
424{
425 return scnprintf(buf, buflen, "%u\n",
426 skb_queue_len(&sdata->u.ap.ps.bc_buf));
427}
428IEEE80211_IF_FILE_R(num_buffered_multicast);
429
430/* IBSS attributes */
431static ssize_t ieee80211_if_fmt_tsf(
432 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
433{
434 struct ieee80211_local *local = sdata->local;
435 u64 tsf;
436
437 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
438
439 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
440}
441
442static ssize_t ieee80211_if_parse_tsf(
443 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
444{
445 struct ieee80211_local *local = sdata->local;
446 unsigned long long tsf;
447 int ret;
448 int tsf_is_delta = 0;
449
450 if (strncmp(buf, "reset", 5) == 0) {
451 if (local->ops->reset_tsf) {
452 drv_reset_tsf(local, sdata);
453 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
454 }
455 } else {
456 if (buflen > 10 && buf[1] == '=') {
457 if (buf[0] == '+')
458 tsf_is_delta = 1;
459 else if (buf[0] == '-')
460 tsf_is_delta = -1;
461 else
462 return -EINVAL;
463 buf += 2;
464 }
465 ret = kstrtoull(buf, 10, &tsf);
466 if (ret < 0)
467 return ret;
468 if (tsf_is_delta)
469 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
470 if (local->ops->set_tsf) {
471 drv_set_tsf(local, sdata, tsf);
472 wiphy_info(local->hw.wiphy,
473 "debugfs set TSF to %#018llx\n", tsf);
474 }
475 }
476
477 ieee80211_recalc_dtim(local, sdata);
478 return buflen;
479}
480IEEE80211_IF_FILE_RW(tsf);
481
482
483/* WDS attributes */
484IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
485
486#ifdef CONFIG_MAC80211_MESH
487IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
488
489/* Mesh stats attributes */
490IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
491IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
492IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
493IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
494IEEE80211_IF_FILE(dropped_frames_congestion,
495 u.mesh.mshstats.dropped_frames_congestion, DEC);
496IEEE80211_IF_FILE(dropped_frames_no_route,
497 u.mesh.mshstats.dropped_frames_no_route, DEC);
498
499/* Mesh parameters */
500IEEE80211_IF_FILE(dot11MeshMaxRetries,
501 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
502IEEE80211_IF_FILE(dot11MeshRetryTimeout,
503 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
504IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
505 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
506IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
507 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
508IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
509IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
510IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
511IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
512 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
513IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
514 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
515IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
516 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
517IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
518 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
519IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
520 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
521IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
522 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
523IEEE80211_IF_FILE(path_refresh_time,
524 u.mesh.mshcfg.path_refresh_time, DEC);
525IEEE80211_IF_FILE(min_discovery_timeout,
526 u.mesh.mshcfg.min_discovery_timeout, DEC);
527IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
528 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
529IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
530 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
531IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
532 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
533IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
534IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
535IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
536IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
537 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
538IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
539 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
540IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
541 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
542IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
543IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
544 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
545#endif
546
547#define DEBUGFS_ADD_MODE(name, mode) \
548 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
549 sdata, &name##_ops);
550
551#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
552
553static void add_common_files(struct ieee80211_sub_if_data *sdata)
554{
555 DEBUGFS_ADD(drop_unencrypted);
556 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
557 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
558 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
559 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
560 DEBUGFS_ADD(hw_queues);
561}
562
563static void add_sta_files(struct ieee80211_sub_if_data *sdata)
564{
565 DEBUGFS_ADD(bssid);
566 DEBUGFS_ADD(aid);
567 DEBUGFS_ADD(last_beacon);
568 DEBUGFS_ADD(ave_beacon);
569 DEBUGFS_ADD(beacon_timeout);
570 DEBUGFS_ADD_MODE(smps, 0600);
571 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
572 DEBUGFS_ADD_MODE(uapsd_queues, 0600);
573 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
574}
575
576static void add_ap_files(struct ieee80211_sub_if_data *sdata)
577{
578 DEBUGFS_ADD(num_mcast_sta);
579 DEBUGFS_ADD_MODE(smps, 0600);
580 DEBUGFS_ADD(num_sta_ps);
581 DEBUGFS_ADD(dtim_count);
582 DEBUGFS_ADD(num_buffered_multicast);
583 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
584}
585
586static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
587{
588 DEBUGFS_ADD_MODE(tsf, 0600);
589}
590
591static void add_wds_files(struct ieee80211_sub_if_data *sdata)
592{
593 DEBUGFS_ADD(peer);
594}
595
596#ifdef CONFIG_MAC80211_MESH
597
598static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
599{
600 DEBUGFS_ADD_MODE(tsf, 0600);
601 DEBUGFS_ADD_MODE(estab_plinks, 0400);
602}
603
604static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
605{
606 struct dentry *dir = debugfs_create_dir("mesh_stats",
607 sdata->vif.debugfs_dir);
608#define MESHSTATS_ADD(name)\
609 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
610
611 MESHSTATS_ADD(fwded_mcast);
612 MESHSTATS_ADD(fwded_unicast);
613 MESHSTATS_ADD(fwded_frames);
614 MESHSTATS_ADD(dropped_frames_ttl);
615 MESHSTATS_ADD(dropped_frames_no_route);
616 MESHSTATS_ADD(dropped_frames_congestion);
617#undef MESHSTATS_ADD
618}
619
620static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
621{
622 struct dentry *dir = debugfs_create_dir("mesh_config",
623 sdata->vif.debugfs_dir);
624
625#define MESHPARAMS_ADD(name) \
626 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
627
628 MESHPARAMS_ADD(dot11MeshMaxRetries);
629 MESHPARAMS_ADD(dot11MeshRetryTimeout);
630 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
631 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
632 MESHPARAMS_ADD(dot11MeshTTL);
633 MESHPARAMS_ADD(element_ttl);
634 MESHPARAMS_ADD(auto_open_plinks);
635 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
636 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
637 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
638 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
639 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
640 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
641 MESHPARAMS_ADD(path_refresh_time);
642 MESHPARAMS_ADD(min_discovery_timeout);
643 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
644 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
645 MESHPARAMS_ADD(dot11MeshForwarding);
646 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
647 MESHPARAMS_ADD(rssi_threshold);
648 MESHPARAMS_ADD(ht_opmode);
649 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
650 MESHPARAMS_ADD(dot11MeshHWMProotInterval);
651 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
652 MESHPARAMS_ADD(power_mode);
653 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
654#undef MESHPARAMS_ADD
655}
656#endif
657
658static void add_files(struct ieee80211_sub_if_data *sdata)
659{
660 if (!sdata->vif.debugfs_dir)
661 return;
662
663 DEBUGFS_ADD(flags);
664 DEBUGFS_ADD(state);
665 DEBUGFS_ADD(txpower);
666 DEBUGFS_ADD(user_power_level);
667 DEBUGFS_ADD(ap_power_level);
668
669 if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
670 add_common_files(sdata);
671
672 switch (sdata->vif.type) {
673 case NL80211_IFTYPE_MESH_POINT:
674#ifdef CONFIG_MAC80211_MESH
675 add_mesh_files(sdata);
676 add_mesh_stats(sdata);
677 add_mesh_config(sdata);
678#endif
679 break;
680 case NL80211_IFTYPE_STATION:
681 add_sta_files(sdata);
682 break;
683 case NL80211_IFTYPE_ADHOC:
684 add_ibss_files(sdata);
685 break;
686 case NL80211_IFTYPE_AP:
687 add_ap_files(sdata);
688 break;
689 case NL80211_IFTYPE_WDS:
690 add_wds_files(sdata);
691 break;
692 default:
693 break;
694 }
695}
696
697void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
698{
699 char buf[10+IFNAMSIZ];
700
701 sprintf(buf, "netdev:%s", sdata->name);
702 sdata->vif.debugfs_dir = debugfs_create_dir(buf,
703 sdata->local->hw.wiphy->debugfsdir);
704 if (sdata->vif.debugfs_dir)
705 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
706 sdata->vif.debugfs_dir);
707 add_files(sdata);
708}
709
710void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
711{
712 if (!sdata->vif.debugfs_dir)
713 return;
714
715 debugfs_remove_recursive(sdata->vif.debugfs_dir);
716 sdata->vif.debugfs_dir = NULL;
717}
718
719void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
720{
721 struct dentry *dir;
722 char buf[10 + IFNAMSIZ];
723
724 dir = sdata->vif.debugfs_dir;
725
726 if (!dir)
727 return;
728
729 sprintf(buf, "netdev:%s", sdata->name);
730 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
731 sdata_err(sdata,
732 "debugfs: failed to rename debugfs dir to %s\n",
733 buf);
734}