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(name, _write) \
137static ssize_t ieee80211_if_read_##name(struct file *file, \
138 char __user *userbuf, \
139 size_t count, loff_t *ppos) \
140{ \
141 return ieee80211_if_read(file->private_data, \
142 userbuf, count, ppos, \
143 ieee80211_if_fmt_##name); \
144} \
145static const struct file_operations name##_ops = { \
146 .read = ieee80211_if_read_##name, \
147 .write = (_write), \
148 .open = simple_open, \
149 .llseek = generic_file_llseek, \
150}
151
152#define __IEEE80211_IF_FILE_W(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__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
161
162
163#define IEEE80211_IF_FILE(name, field, format) \
164 IEEE80211_IF_FMT_##format(name, field) \
165 __IEEE80211_IF_FILE(name, NULL)
166
167/* common attributes */
168IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
169IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
170 HEX);
171IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
172 HEX);
173IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
174 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
175IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
176 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
177
178IEEE80211_IF_FILE(flags, flags, HEX);
179IEEE80211_IF_FILE(state, state, LHEX);
180IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
181IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
182IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
183
184static ssize_t
185ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
186 char *buf, int buflen)
187{
188 int len;
189
190 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
191 sdata->vif.hw_queue[IEEE80211_AC_VO],
192 sdata->vif.hw_queue[IEEE80211_AC_VI],
193 sdata->vif.hw_queue[IEEE80211_AC_BE],
194 sdata->vif.hw_queue[IEEE80211_AC_BK]);
195
196 if (sdata->vif.type == NL80211_IFTYPE_AP)
197 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
198 sdata->vif.cab_queue);
199
200 return len;
201}
202__IEEE80211_IF_FILE(hw_queues, NULL);
203
204/* STA attributes */
205IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
206IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
207IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
208IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
209IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
210
211static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
212 enum ieee80211_smps_mode smps_mode)
213{
214 struct ieee80211_local *local = sdata->local;
215 int err;
216
217 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
218 smps_mode == IEEE80211_SMPS_STATIC)
219 return -EINVAL;
220
221 /* auto should be dynamic if in PS mode */
222 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
223 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
224 smps_mode == IEEE80211_SMPS_AUTOMATIC))
225 return -EINVAL;
226
227 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
228 sdata->vif.type != NL80211_IFTYPE_AP)
229 return -EOPNOTSUPP;
230
231 sdata_lock(sdata);
232 if (sdata->vif.type == NL80211_IFTYPE_STATION)
233 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
234 else
235 err = __ieee80211_request_smps_ap(sdata, smps_mode);
236 sdata_unlock(sdata);
237
238 return err;
239}
240
241static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
242 [IEEE80211_SMPS_AUTOMATIC] = "auto",
243 [IEEE80211_SMPS_OFF] = "off",
244 [IEEE80211_SMPS_STATIC] = "static",
245 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
246};
247
248static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
249 char *buf, int buflen)
250{
251 if (sdata->vif.type == NL80211_IFTYPE_STATION)
252 return snprintf(buf, buflen, "request: %s\nused: %s\n",
253 smps_modes[sdata->u.mgd.req_smps],
254 smps_modes[sdata->smps_mode]);
255 if (sdata->vif.type == NL80211_IFTYPE_AP)
256 return snprintf(buf, buflen, "request: %s\nused: %s\n",
257 smps_modes[sdata->u.ap.req_smps],
258 smps_modes[sdata->smps_mode]);
259 return -EINVAL;
260}
261
262static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
263 const char *buf, int buflen)
264{
265 enum ieee80211_smps_mode mode;
266
267 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
268 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
269 int err = ieee80211_set_smps(sdata, mode);
270 if (!err)
271 return buflen;
272 return err;
273 }
274 }
275
276 return -EINVAL;
277}
278
279__IEEE80211_IF_FILE_W(smps);
280
281static ssize_t ieee80211_if_fmt_tkip_mic_test(
282 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
283{
284 return -EOPNOTSUPP;
285}
286
287static ssize_t ieee80211_if_parse_tkip_mic_test(
288 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
289{
290 struct ieee80211_local *local = sdata->local;
291 u8 addr[ETH_ALEN];
292 struct sk_buff *skb;
293 struct ieee80211_hdr *hdr;
294 __le16 fc;
295
296 if (!mac_pton(buf, addr))
297 return -EINVAL;
298
299 if (!ieee80211_sdata_running(sdata))
300 return -ENOTCONN;
301
302 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
303 if (!skb)
304 return -ENOMEM;
305 skb_reserve(skb, local->hw.extra_tx_headroom);
306
307 hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
308 memset(hdr, 0, 24);
309 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
310
311 switch (sdata->vif.type) {
312 case NL80211_IFTYPE_AP:
313 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
314 /* DA BSSID SA */
315 memcpy(hdr->addr1, addr, ETH_ALEN);
316 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
317 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
318 break;
319 case NL80211_IFTYPE_STATION:
320 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
321 /* BSSID SA DA */
322 sdata_lock(sdata);
323 if (!sdata->u.mgd.associated) {
324 sdata_unlock(sdata);
325 dev_kfree_skb(skb);
326 return -ENOTCONN;
327 }
328 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
329 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
330 memcpy(hdr->addr3, addr, ETH_ALEN);
331 sdata_unlock(sdata);
332 break;
333 default:
334 dev_kfree_skb(skb);
335 return -EOPNOTSUPP;
336 }
337 hdr->frame_control = fc;
338
339 /*
340 * Add some length to the test frame to make it look bit more valid.
341 * The exact contents does not matter since the recipient is required
342 * to drop this because of the Michael MIC failure.
343 */
344 memset(skb_put(skb, 50), 0, 50);
345
346 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
347
348 ieee80211_tx_skb(sdata, skb);
349
350 return buflen;
351}
352
353__IEEE80211_IF_FILE_W(tkip_mic_test);
354
355static ssize_t ieee80211_if_fmt_uapsd_queues(
356 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
357{
358 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
359
360 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
361}
362
363static ssize_t ieee80211_if_parse_uapsd_queues(
364 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
365{
366 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
367 u8 val;
368 int ret;
369
370 ret = kstrtou8(buf, 0, &val);
371 if (ret)
372 return ret;
373
374 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
375 return -ERANGE;
376
377 ifmgd->uapsd_queues = val;
378
379 return buflen;
380}
381__IEEE80211_IF_FILE_W(uapsd_queues);
382
383static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
384 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
385{
386 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
387
388 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
389}
390
391static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
392 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
393{
394 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
395 unsigned long val;
396 int ret;
397
398 ret = kstrtoul(buf, 0, &val);
399 if (ret)
400 return -EINVAL;
401
402 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
403 return -ERANGE;
404
405 ifmgd->uapsd_max_sp_len = val;
406
407 return buflen;
408}
409__IEEE80211_IF_FILE_W(uapsd_max_sp_len);
410
411/* AP attributes */
412IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
413IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
414IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
415
416static ssize_t ieee80211_if_fmt_num_buffered_multicast(
417 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
418{
419 return scnprintf(buf, buflen, "%u\n",
420 skb_queue_len(&sdata->u.ap.ps.bc_buf));
421}
422__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
423
424/* IBSS attributes */
425static ssize_t ieee80211_if_fmt_tsf(
426 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
427{
428 struct ieee80211_local *local = sdata->local;
429 u64 tsf;
430
431 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
432
433 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
434}
435
436static ssize_t ieee80211_if_parse_tsf(
437 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
438{
439 struct ieee80211_local *local = sdata->local;
440 unsigned long long tsf;
441 int ret;
442 int tsf_is_delta = 0;
443
444 if (strncmp(buf, "reset", 5) == 0) {
445 if (local->ops->reset_tsf) {
446 drv_reset_tsf(local, sdata);
447 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
448 }
449 } else {
450 if (buflen > 10 && buf[1] == '=') {
451 if (buf[0] == '+')
452 tsf_is_delta = 1;
453 else if (buf[0] == '-')
454 tsf_is_delta = -1;
455 else
456 return -EINVAL;
457 buf += 2;
458 }
459 ret = kstrtoull(buf, 10, &tsf);
460 if (ret < 0)
461 return ret;
462 if (tsf_is_delta)
463 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
464 if (local->ops->set_tsf) {
465 drv_set_tsf(local, sdata, tsf);
466 wiphy_info(local->hw.wiphy,
467 "debugfs set TSF to %#018llx\n", tsf);
468 }
469 }
470
471 return buflen;
472}
473__IEEE80211_IF_FILE_W(tsf);
474
475
476/* WDS attributes */
477IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
478
479#ifdef CONFIG_MAC80211_MESH
480IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
481
482/* Mesh stats attributes */
483IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
484IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
485IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
486IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
487IEEE80211_IF_FILE(dropped_frames_congestion,
488 u.mesh.mshstats.dropped_frames_congestion, DEC);
489IEEE80211_IF_FILE(dropped_frames_no_route,
490 u.mesh.mshstats.dropped_frames_no_route, DEC);
491
492/* Mesh parameters */
493IEEE80211_IF_FILE(dot11MeshMaxRetries,
494 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
495IEEE80211_IF_FILE(dot11MeshRetryTimeout,
496 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
497IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
498 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
499IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
500 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
501IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
502IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
503IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
504IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
505 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
506IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
507 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
508IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
509 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
510IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
511 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
512IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
513 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
514IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
515 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
516IEEE80211_IF_FILE(path_refresh_time,
517 u.mesh.mshcfg.path_refresh_time, DEC);
518IEEE80211_IF_FILE(min_discovery_timeout,
519 u.mesh.mshcfg.min_discovery_timeout, DEC);
520IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
521 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
522IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
523 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
524IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
525 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
526IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
527IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
528IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
529IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
530 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
531IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
532 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
533IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
534 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
535IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
536IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
537 u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
538#endif
539
540#define DEBUGFS_ADD_MODE(name, mode) \
541 debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
542 sdata, &name##_ops);
543
544#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
545
546static void add_common_files(struct ieee80211_sub_if_data *sdata)
547{
548 DEBUGFS_ADD(drop_unencrypted);
549 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
550 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
551 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
552 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
553 DEBUGFS_ADD(hw_queues);
554}
555
556static void add_sta_files(struct ieee80211_sub_if_data *sdata)
557{
558 DEBUGFS_ADD(bssid);
559 DEBUGFS_ADD(aid);
560 DEBUGFS_ADD(last_beacon);
561 DEBUGFS_ADD(ave_beacon);
562 DEBUGFS_ADD(beacon_timeout);
563 DEBUGFS_ADD_MODE(smps, 0600);
564 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
565 DEBUGFS_ADD_MODE(uapsd_queues, 0600);
566 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
567}
568
569static void add_ap_files(struct ieee80211_sub_if_data *sdata)
570{
571 DEBUGFS_ADD(num_mcast_sta);
572 DEBUGFS_ADD_MODE(smps, 0600);
573 DEBUGFS_ADD(num_sta_ps);
574 DEBUGFS_ADD(dtim_count);
575 DEBUGFS_ADD(num_buffered_multicast);
576 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
577}
578
579static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
580{
581 DEBUGFS_ADD_MODE(tsf, 0600);
582}
583
584static void add_wds_files(struct ieee80211_sub_if_data *sdata)
585{
586 DEBUGFS_ADD(peer);
587}
588
589#ifdef CONFIG_MAC80211_MESH
590
591static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
592{
593 DEBUGFS_ADD_MODE(tsf, 0600);
594 DEBUGFS_ADD_MODE(estab_plinks, 0400);
595}
596
597static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
598{
599 struct dentry *dir = debugfs_create_dir("mesh_stats",
600 sdata->vif.debugfs_dir);
601#define MESHSTATS_ADD(name)\
602 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
603
604 MESHSTATS_ADD(fwded_mcast);
605 MESHSTATS_ADD(fwded_unicast);
606 MESHSTATS_ADD(fwded_frames);
607 MESHSTATS_ADD(dropped_frames_ttl);
608 MESHSTATS_ADD(dropped_frames_no_route);
609 MESHSTATS_ADD(dropped_frames_congestion);
610#undef MESHSTATS_ADD
611}
612
613static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
614{
615 struct dentry *dir = debugfs_create_dir("mesh_config",
616 sdata->vif.debugfs_dir);
617
618#define MESHPARAMS_ADD(name) \
619 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
620
621 MESHPARAMS_ADD(dot11MeshMaxRetries);
622 MESHPARAMS_ADD(dot11MeshRetryTimeout);
623 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
624 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
625 MESHPARAMS_ADD(dot11MeshTTL);
626 MESHPARAMS_ADD(element_ttl);
627 MESHPARAMS_ADD(auto_open_plinks);
628 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
629 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
630 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
631 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
632 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
633 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
634 MESHPARAMS_ADD(path_refresh_time);
635 MESHPARAMS_ADD(min_discovery_timeout);
636 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
637 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
638 MESHPARAMS_ADD(dot11MeshForwarding);
639 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
640 MESHPARAMS_ADD(rssi_threshold);
641 MESHPARAMS_ADD(ht_opmode);
642 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
643 MESHPARAMS_ADD(dot11MeshHWMProotInterval);
644 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
645 MESHPARAMS_ADD(power_mode);
646 MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
647#undef MESHPARAMS_ADD
648}
649#endif
650
651static void add_files(struct ieee80211_sub_if_data *sdata)
652{
653 if (!sdata->vif.debugfs_dir)
654 return;
655
656 DEBUGFS_ADD(flags);
657 DEBUGFS_ADD(state);
658 DEBUGFS_ADD(txpower);
659 DEBUGFS_ADD(user_power_level);
660 DEBUGFS_ADD(ap_power_level);
661
662 if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
663 add_common_files(sdata);
664
665 switch (sdata->vif.type) {
666 case NL80211_IFTYPE_MESH_POINT:
667#ifdef CONFIG_MAC80211_MESH
668 add_mesh_files(sdata);
669 add_mesh_stats(sdata);
670 add_mesh_config(sdata);
671#endif
672 break;
673 case NL80211_IFTYPE_STATION:
674 add_sta_files(sdata);
675 break;
676 case NL80211_IFTYPE_ADHOC:
677 add_ibss_files(sdata);
678 break;
679 case NL80211_IFTYPE_AP:
680 add_ap_files(sdata);
681 break;
682 case NL80211_IFTYPE_WDS:
683 add_wds_files(sdata);
684 break;
685 default:
686 break;
687 }
688}
689
690void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
691{
692 char buf[10+IFNAMSIZ];
693
694 sprintf(buf, "netdev:%s", sdata->name);
695 sdata->vif.debugfs_dir = debugfs_create_dir(buf,
696 sdata->local->hw.wiphy->debugfsdir);
697 if (sdata->vif.debugfs_dir)
698 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
699 sdata->vif.debugfs_dir);
700 add_files(sdata);
701}
702
703void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
704{
705 if (!sdata->vif.debugfs_dir)
706 return;
707
708 debugfs_remove_recursive(sdata->vif.debugfs_dir);
709 sdata->vif.debugfs_dir = NULL;
710}
711
712void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
713{
714 struct dentry *dir;
715 char buf[10 + IFNAMSIZ];
716
717 dir = sdata->vif.debugfs_dir;
718
719 if (!dir)
720 return;
721
722 sprintf(buf, "netdev:%s", sdata->name);
723 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
724 sdata_err(sdata,
725 "debugfs: failed to rename debugfs dir to %s\n",
726 buf);
727}