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/interrupt.h>
14#include <linux/netdevice.h>
15#include <linux/rtnetlink.h>
16#include <linux/slab.h>
17#include <linux/notifier.h>
18#include <net/mac80211.h>
19#include <net/cfg80211.h>
20#include "ieee80211_i.h"
21#include "rate.h"
22#include "debugfs.h"
23#include "debugfs_netdev.h"
24#include "driver-ops.h"
25
26static ssize_t ieee80211_if_read(
27 struct ieee80211_sub_if_data *sdata,
28 char __user *userbuf,
29 size_t count, loff_t *ppos,
30 ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
31{
32 char buf[70];
33 ssize_t ret = -EINVAL;
34
35 read_lock(&dev_base_lock);
36 if (sdata->dev->reg_state == NETREG_REGISTERED)
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 if (sdata->dev->reg_state == NETREG_REGISTERED)
65 ret = (*write)(sdata, buf, count);
66 rtnl_unlock();
67
68 return ret;
69}
70
71#define IEEE80211_IF_FMT(name, field, format_string) \
72static ssize_t ieee80211_if_fmt_##name( \
73 const struct ieee80211_sub_if_data *sdata, char *buf, \
74 int buflen) \
75{ \
76 return scnprintf(buf, buflen, format_string, sdata->field); \
77}
78#define IEEE80211_IF_FMT_DEC(name, field) \
79 IEEE80211_IF_FMT(name, field, "%d\n")
80#define IEEE80211_IF_FMT_HEX(name, field) \
81 IEEE80211_IF_FMT(name, field, "%#x\n")
82#define IEEE80211_IF_FMT_LHEX(name, field) \
83 IEEE80211_IF_FMT(name, field, "%#lx\n")
84#define IEEE80211_IF_FMT_SIZE(name, field) \
85 IEEE80211_IF_FMT(name, field, "%zd\n")
86
87#define IEEE80211_IF_FMT_HEXARRAY(name, field) \
88static ssize_t ieee80211_if_fmt_##name( \
89 const struct ieee80211_sub_if_data *sdata, \
90 char *buf, int buflen) \
91{ \
92 char *p = buf; \
93 int i; \
94 for (i = 0; i < sizeof(sdata->field); i++) { \
95 p += scnprintf(p, buflen + buf - p, "%.2x ", \
96 sdata->field[i]); \
97 } \
98 p += scnprintf(p, buflen + buf - p, "\n"); \
99 return p - buf; \
100}
101
102#define IEEE80211_IF_FMT_ATOMIC(name, field) \
103static ssize_t ieee80211_if_fmt_##name( \
104 const struct ieee80211_sub_if_data *sdata, \
105 char *buf, int buflen) \
106{ \
107 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
108}
109
110#define IEEE80211_IF_FMT_MAC(name, field) \
111static ssize_t ieee80211_if_fmt_##name( \
112 const struct ieee80211_sub_if_data *sdata, char *buf, \
113 int buflen) \
114{ \
115 return scnprintf(buf, buflen, "%pM\n", sdata->field); \
116}
117
118#define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \
119static ssize_t ieee80211_if_fmt_##name( \
120 const struct ieee80211_sub_if_data *sdata, \
121 char *buf, int buflen) \
122{ \
123 return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \
124}
125
126#define __IEEE80211_IF_FILE(name, _write) \
127static ssize_t ieee80211_if_read_##name(struct file *file, \
128 char __user *userbuf, \
129 size_t count, loff_t *ppos) \
130{ \
131 return ieee80211_if_read(file->private_data, \
132 userbuf, count, ppos, \
133 ieee80211_if_fmt_##name); \
134} \
135static const struct file_operations name##_ops = { \
136 .read = ieee80211_if_read_##name, \
137 .write = (_write), \
138 .open = simple_open, \
139 .llseek = generic_file_llseek, \
140}
141
142#define __IEEE80211_IF_FILE_W(name) \
143static ssize_t ieee80211_if_write_##name(struct file *file, \
144 const char __user *userbuf, \
145 size_t count, loff_t *ppos) \
146{ \
147 return ieee80211_if_write(file->private_data, userbuf, count, \
148 ppos, ieee80211_if_parse_##name); \
149} \
150__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
151
152
153#define IEEE80211_IF_FILE(name, field, format) \
154 IEEE80211_IF_FMT_##format(name, field) \
155 __IEEE80211_IF_FILE(name, NULL)
156
157/* common attributes */
158IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
159IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
160 HEX);
161IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
162 HEX);
163IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
164 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
165IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
166 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
167
168IEEE80211_IF_FILE(flags, flags, HEX);
169IEEE80211_IF_FILE(state, state, LHEX);
170IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
171
172/* STA attributes */
173IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
174IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
175IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
176IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
177
178static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
179 enum ieee80211_smps_mode smps_mode)
180{
181 struct ieee80211_local *local = sdata->local;
182 int err;
183
184 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
185 smps_mode == IEEE80211_SMPS_STATIC)
186 return -EINVAL;
187
188 /* auto should be dynamic if in PS mode */
189 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
190 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
191 smps_mode == IEEE80211_SMPS_AUTOMATIC))
192 return -EINVAL;
193
194 /* supported only on managed interfaces for now */
195 if (sdata->vif.type != NL80211_IFTYPE_STATION)
196 return -EOPNOTSUPP;
197
198 mutex_lock(&sdata->u.mgd.mtx);
199 err = __ieee80211_request_smps(sdata, smps_mode);
200 mutex_unlock(&sdata->u.mgd.mtx);
201
202 return err;
203}
204
205static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
206 [IEEE80211_SMPS_AUTOMATIC] = "auto",
207 [IEEE80211_SMPS_OFF] = "off",
208 [IEEE80211_SMPS_STATIC] = "static",
209 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
210};
211
212static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
213 char *buf, int buflen)
214{
215 if (sdata->vif.type != NL80211_IFTYPE_STATION)
216 return -EOPNOTSUPP;
217
218 return snprintf(buf, buflen, "request: %s\nused: %s\n",
219 smps_modes[sdata->u.mgd.req_smps],
220 smps_modes[sdata->u.mgd.ap_smps]);
221}
222
223static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
224 const char *buf, int buflen)
225{
226 enum ieee80211_smps_mode mode;
227
228 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
229 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
230 int err = ieee80211_set_smps(sdata, mode);
231 if (!err)
232 return buflen;
233 return err;
234 }
235 }
236
237 return -EINVAL;
238}
239
240__IEEE80211_IF_FILE_W(smps);
241
242static ssize_t ieee80211_if_fmt_tkip_mic_test(
243 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
244{
245 return -EOPNOTSUPP;
246}
247
248static int hwaddr_aton(const char *txt, u8 *addr)
249{
250 int i;
251
252 for (i = 0; i < ETH_ALEN; i++) {
253 int a, b;
254
255 a = hex_to_bin(*txt++);
256 if (a < 0)
257 return -1;
258 b = hex_to_bin(*txt++);
259 if (b < 0)
260 return -1;
261 *addr++ = (a << 4) | b;
262 if (i < 5 && *txt++ != ':')
263 return -1;
264 }
265
266 return 0;
267}
268
269static ssize_t ieee80211_if_parse_tkip_mic_test(
270 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
271{
272 struct ieee80211_local *local = sdata->local;
273 u8 addr[ETH_ALEN];
274 struct sk_buff *skb;
275 struct ieee80211_hdr *hdr;
276 __le16 fc;
277
278 /*
279 * Assume colon-delimited MAC address with possible white space
280 * following.
281 */
282 if (buflen < 3 * ETH_ALEN - 1)
283 return -EINVAL;
284 if (hwaddr_aton(buf, addr) < 0)
285 return -EINVAL;
286
287 if (!ieee80211_sdata_running(sdata))
288 return -ENOTCONN;
289
290 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
291 if (!skb)
292 return -ENOMEM;
293 skb_reserve(skb, local->hw.extra_tx_headroom);
294
295 hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
296 memset(hdr, 0, 24);
297 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
298
299 switch (sdata->vif.type) {
300 case NL80211_IFTYPE_AP:
301 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
302 /* DA BSSID SA */
303 memcpy(hdr->addr1, addr, ETH_ALEN);
304 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
305 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
306 break;
307 case NL80211_IFTYPE_STATION:
308 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
309 /* BSSID SA DA */
310 if (sdata->vif.bss_conf.bssid == NULL) {
311 dev_kfree_skb(skb);
312 return -ENOTCONN;
313 }
314 memcpy(hdr->addr1, sdata->vif.bss_conf.bssid, ETH_ALEN);
315 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
316 memcpy(hdr->addr3, addr, ETH_ALEN);
317 break;
318 default:
319 dev_kfree_skb(skb);
320 return -EOPNOTSUPP;
321 }
322 hdr->frame_control = fc;
323
324 /*
325 * Add some length to the test frame to make it look bit more valid.
326 * The exact contents does not matter since the recipient is required
327 * to drop this because of the Michael MIC failure.
328 */
329 memset(skb_put(skb, 50), 0, 50);
330
331 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
332
333 ieee80211_tx_skb(sdata, skb);
334
335 return buflen;
336}
337
338__IEEE80211_IF_FILE_W(tkip_mic_test);
339
340static ssize_t ieee80211_if_fmt_uapsd_queues(
341 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
342{
343 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
344
345 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
346}
347
348static ssize_t ieee80211_if_parse_uapsd_queues(
349 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
350{
351 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
352 u8 val;
353 int ret;
354
355 ret = kstrtou8(buf, 0, &val);
356 if (ret)
357 return ret;
358
359 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
360 return -ERANGE;
361
362 ifmgd->uapsd_queues = val;
363
364 return buflen;
365}
366__IEEE80211_IF_FILE_W(uapsd_queues);
367
368static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
369 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
370{
371 const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
372
373 return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
374}
375
376static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
377 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
378{
379 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
380 unsigned long val;
381 int ret;
382
383 ret = kstrtoul(buf, 0, &val);
384 if (ret)
385 return -EINVAL;
386
387 if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
388 return -ERANGE;
389
390 ifmgd->uapsd_max_sp_len = val;
391
392 return buflen;
393}
394__IEEE80211_IF_FILE_W(uapsd_max_sp_len);
395
396/* AP attributes */
397IEEE80211_IF_FILE(num_sta_authorized, u.ap.num_sta_authorized, ATOMIC);
398IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
399IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
400
401static ssize_t ieee80211_if_fmt_num_buffered_multicast(
402 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
403{
404 return scnprintf(buf, buflen, "%u\n",
405 skb_queue_len(&sdata->u.ap.ps_bc_buf));
406}
407__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
408
409/* IBSS attributes */
410static ssize_t ieee80211_if_fmt_tsf(
411 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
412{
413 struct ieee80211_local *local = sdata->local;
414 u64 tsf;
415
416 tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
417
418 return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
419}
420
421static ssize_t ieee80211_if_parse_tsf(
422 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
423{
424 struct ieee80211_local *local = sdata->local;
425 unsigned long long tsf;
426 int ret;
427
428 if (strncmp(buf, "reset", 5) == 0) {
429 if (local->ops->reset_tsf) {
430 drv_reset_tsf(local, sdata);
431 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
432 }
433 } else {
434 ret = kstrtoull(buf, 10, &tsf);
435 if (ret < 0)
436 return -EINVAL;
437 if (local->ops->set_tsf) {
438 drv_set_tsf(local, sdata, tsf);
439 wiphy_info(local->hw.wiphy,
440 "debugfs set TSF to %#018llx\n", tsf);
441 }
442 }
443
444 return buflen;
445}
446__IEEE80211_IF_FILE_W(tsf);
447
448
449/* WDS attributes */
450IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
451
452#ifdef CONFIG_MAC80211_MESH
453/* Mesh stats attributes */
454IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
455IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
456IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
457IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
458IEEE80211_IF_FILE(dropped_frames_congestion,
459 u.mesh.mshstats.dropped_frames_congestion, DEC);
460IEEE80211_IF_FILE(dropped_frames_no_route,
461 u.mesh.mshstats.dropped_frames_no_route, DEC);
462IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
463
464/* Mesh parameters */
465IEEE80211_IF_FILE(dot11MeshMaxRetries,
466 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
467IEEE80211_IF_FILE(dot11MeshRetryTimeout,
468 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
469IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
470 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
471IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
472 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
473IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
474IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
475IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
476IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
477 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
478IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
479 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
480IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
481 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
482IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
483 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
484IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
485 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
486IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
487 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
488IEEE80211_IF_FILE(path_refresh_time,
489 u.mesh.mshcfg.path_refresh_time, DEC);
490IEEE80211_IF_FILE(min_discovery_timeout,
491 u.mesh.mshcfg.min_discovery_timeout, DEC);
492IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
493 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
494IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
495 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
496IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
497 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
498IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
499IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
500#endif
501
502
503#define DEBUGFS_ADD(name) \
504 debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
505 sdata, &name##_ops);
506
507#define DEBUGFS_ADD_MODE(name, mode) \
508 debugfs_create_file(#name, mode, sdata->debugfs.dir, \
509 sdata, &name##_ops);
510
511static void add_sta_files(struct ieee80211_sub_if_data *sdata)
512{
513 DEBUGFS_ADD(drop_unencrypted);
514 DEBUGFS_ADD(flags);
515 DEBUGFS_ADD(state);
516 DEBUGFS_ADD(channel_type);
517 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
518 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
519 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
520 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
521
522 DEBUGFS_ADD(bssid);
523 DEBUGFS_ADD(aid);
524 DEBUGFS_ADD(last_beacon);
525 DEBUGFS_ADD(ave_beacon);
526 DEBUGFS_ADD_MODE(smps, 0600);
527 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
528 DEBUGFS_ADD_MODE(uapsd_queues, 0600);
529 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
530}
531
532static void add_ap_files(struct ieee80211_sub_if_data *sdata)
533{
534 DEBUGFS_ADD(drop_unencrypted);
535 DEBUGFS_ADD(flags);
536 DEBUGFS_ADD(state);
537 DEBUGFS_ADD(channel_type);
538 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
539 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
540 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
541 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
542
543 DEBUGFS_ADD(num_sta_authorized);
544 DEBUGFS_ADD(num_sta_ps);
545 DEBUGFS_ADD(dtim_count);
546 DEBUGFS_ADD(num_buffered_multicast);
547 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
548}
549
550static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
551{
552 DEBUGFS_ADD(channel_type);
553 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
554 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
555 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
556 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
557
558 DEBUGFS_ADD_MODE(tsf, 0600);
559}
560
561static void add_wds_files(struct ieee80211_sub_if_data *sdata)
562{
563 DEBUGFS_ADD(drop_unencrypted);
564 DEBUGFS_ADD(flags);
565 DEBUGFS_ADD(state);
566 DEBUGFS_ADD(channel_type);
567 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
568 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
569 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
570 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
571
572 DEBUGFS_ADD(peer);
573}
574
575static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
576{
577 DEBUGFS_ADD(drop_unencrypted);
578 DEBUGFS_ADD(flags);
579 DEBUGFS_ADD(state);
580 DEBUGFS_ADD(channel_type);
581 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
582 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
583 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
584 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
585}
586
587static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
588{
589 DEBUGFS_ADD(flags);
590 DEBUGFS_ADD(state);
591 DEBUGFS_ADD(channel_type);
592}
593
594#ifdef CONFIG_MAC80211_MESH
595
596static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
597{
598 DEBUGFS_ADD_MODE(tsf, 0600);
599}
600
601static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
602{
603 struct dentry *dir = debugfs_create_dir("mesh_stats",
604 sdata->debugfs.dir);
605#define MESHSTATS_ADD(name)\
606 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
607
608 MESHSTATS_ADD(fwded_mcast);
609 MESHSTATS_ADD(fwded_unicast);
610 MESHSTATS_ADD(fwded_frames);
611 MESHSTATS_ADD(dropped_frames_ttl);
612 MESHSTATS_ADD(dropped_frames_no_route);
613 MESHSTATS_ADD(dropped_frames_congestion);
614 MESHSTATS_ADD(estab_plinks);
615#undef MESHSTATS_ADD
616}
617
618static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
619{
620 struct dentry *dir = debugfs_create_dir("mesh_config",
621 sdata->debugfs.dir);
622
623#define MESHPARAMS_ADD(name) \
624 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
625
626 MESHPARAMS_ADD(dot11MeshMaxRetries);
627 MESHPARAMS_ADD(dot11MeshRetryTimeout);
628 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
629 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
630 MESHPARAMS_ADD(dot11MeshTTL);
631 MESHPARAMS_ADD(element_ttl);
632 MESHPARAMS_ADD(auto_open_plinks);
633 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
634 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
635 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
636 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
637 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
638 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
639 MESHPARAMS_ADD(path_refresh_time);
640 MESHPARAMS_ADD(min_discovery_timeout);
641 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
642 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
643 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
644 MESHPARAMS_ADD(rssi_threshold);
645#undef MESHPARAMS_ADD
646}
647#endif
648
649static void add_files(struct ieee80211_sub_if_data *sdata)
650{
651 if (!sdata->debugfs.dir)
652 return;
653
654 switch (sdata->vif.type) {
655 case NL80211_IFTYPE_MESH_POINT:
656#ifdef CONFIG_MAC80211_MESH
657 add_mesh_files(sdata);
658 add_mesh_stats(sdata);
659 add_mesh_config(sdata);
660#endif
661 break;
662 case NL80211_IFTYPE_STATION:
663 add_sta_files(sdata);
664 break;
665 case NL80211_IFTYPE_ADHOC:
666 add_ibss_files(sdata);
667 break;
668 case NL80211_IFTYPE_AP:
669 add_ap_files(sdata);
670 break;
671 case NL80211_IFTYPE_WDS:
672 add_wds_files(sdata);
673 break;
674 case NL80211_IFTYPE_MONITOR:
675 add_monitor_files(sdata);
676 break;
677 case NL80211_IFTYPE_AP_VLAN:
678 add_vlan_files(sdata);
679 break;
680 default:
681 break;
682 }
683}
684
685void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
686{
687 char buf[10+IFNAMSIZ];
688
689 sprintf(buf, "netdev:%s", sdata->name);
690 sdata->debugfs.dir = debugfs_create_dir(buf,
691 sdata->local->hw.wiphy->debugfsdir);
692 if (sdata->debugfs.dir)
693 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
694 sdata->debugfs.dir);
695 add_files(sdata);
696}
697
698void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
699{
700 if (!sdata->debugfs.dir)
701 return;
702
703 debugfs_remove_recursive(sdata->debugfs.dir);
704 sdata->debugfs.dir = NULL;
705}
706
707void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
708{
709 struct dentry *dir;
710 char buf[10 + IFNAMSIZ];
711
712 dir = sdata->debugfs.dir;
713
714 if (!dir)
715 return;
716
717 sprintf(buf, "netdev:%s", sdata->name);
718 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
719 printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
720 "dir to %s\n", buf);
721}