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cfg80211: Add TDLS event to allow drivers to request operations
[deliverable/linux.git] / net / mac80211 / debugfs_netdev.c
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
27 static 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
47 static 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) \
73 static 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) \
89 static 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) \
104 static 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) \
112 static 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) \
120 static 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_FILE(name, _write) \
128 static ssize_t ieee80211_if_read_##name(struct file *file, \
129 char __user *userbuf, \
130 size_t count, loff_t *ppos) \
131 { \
132 return ieee80211_if_read(file->private_data, \
133 userbuf, count, ppos, \
134 ieee80211_if_fmt_##name); \
135 } \
136 static const struct file_operations name##_ops = { \
137 .read = ieee80211_if_read_##name, \
138 .write = (_write), \
139 .open = simple_open, \
140 .llseek = generic_file_llseek, \
141 }
142
143 #define __IEEE80211_IF_FILE_W(name) \
144 static ssize_t ieee80211_if_write_##name(struct file *file, \
145 const char __user *userbuf, \
146 size_t count, loff_t *ppos) \
147 { \
148 return ieee80211_if_write(file->private_data, userbuf, count, \
149 ppos, ieee80211_if_parse_##name); \
150 } \
151 __IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
152
153
154 #define IEEE80211_IF_FILE(name, field, format) \
155 IEEE80211_IF_FMT_##format(name, field) \
156 __IEEE80211_IF_FILE(name, NULL)
157
158 /* common attributes */
159 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
160 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
161 HEX);
162 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
163 HEX);
164 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
165 rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
166 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
167 rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
168
169 IEEE80211_IF_FILE(flags, flags, HEX);
170 IEEE80211_IF_FILE(state, state, LHEX);
171 IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
172 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
173 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
174 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
175
176 static ssize_t
177 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
178 char *buf, int buflen)
179 {
180 int len;
181
182 len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
183 sdata->vif.hw_queue[IEEE80211_AC_VO],
184 sdata->vif.hw_queue[IEEE80211_AC_VI],
185 sdata->vif.hw_queue[IEEE80211_AC_BE],
186 sdata->vif.hw_queue[IEEE80211_AC_BK]);
187
188 if (sdata->vif.type == NL80211_IFTYPE_AP)
189 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
190 sdata->vif.cab_queue);
191
192 return len;
193 }
194 __IEEE80211_IF_FILE(hw_queues, NULL);
195
196 /* STA attributes */
197 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
198 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
199 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
200 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
201
202 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
203 enum ieee80211_smps_mode smps_mode)
204 {
205 struct ieee80211_local *local = sdata->local;
206 int err;
207
208 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
209 smps_mode == IEEE80211_SMPS_STATIC)
210 return -EINVAL;
211
212 /* auto should be dynamic if in PS mode */
213 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
214 (smps_mode == IEEE80211_SMPS_DYNAMIC ||
215 smps_mode == IEEE80211_SMPS_AUTOMATIC))
216 return -EINVAL;
217
218 /* supported only on managed interfaces for now */
219 if (sdata->vif.type != NL80211_IFTYPE_STATION)
220 return -EOPNOTSUPP;
221
222 mutex_lock(&sdata->u.mgd.mtx);
223 err = __ieee80211_request_smps(sdata, smps_mode);
224 mutex_unlock(&sdata->u.mgd.mtx);
225
226 return err;
227 }
228
229 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
230 [IEEE80211_SMPS_AUTOMATIC] = "auto",
231 [IEEE80211_SMPS_OFF] = "off",
232 [IEEE80211_SMPS_STATIC] = "static",
233 [IEEE80211_SMPS_DYNAMIC] = "dynamic",
234 };
235
236 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
237 char *buf, int buflen)
238 {
239 if (sdata->vif.type != NL80211_IFTYPE_STATION)
240 return -EOPNOTSUPP;
241
242 return snprintf(buf, buflen, "request: %s\nused: %s\n",
243 smps_modes[sdata->u.mgd.req_smps],
244 smps_modes[sdata->smps_mode]);
245 }
246
247 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
248 const char *buf, int buflen)
249 {
250 enum ieee80211_smps_mode mode;
251
252 for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
253 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
254 int err = ieee80211_set_smps(sdata, mode);
255 if (!err)
256 return buflen;
257 return err;
258 }
259 }
260
261 return -EINVAL;
262 }
263
264 __IEEE80211_IF_FILE_W(smps);
265
266 static ssize_t ieee80211_if_fmt_tkip_mic_test(
267 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
268 {
269 return -EOPNOTSUPP;
270 }
271
272 static ssize_t ieee80211_if_parse_tkip_mic_test(
273 struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
274 {
275 struct ieee80211_local *local = sdata->local;
276 u8 addr[ETH_ALEN];
277 struct sk_buff *skb;
278 struct ieee80211_hdr *hdr;
279 __le16 fc;
280
281 if (!mac_pton(buf, addr))
282 return -EINVAL;
283
284 if (!ieee80211_sdata_running(sdata))
285 return -ENOTCONN;
286
287 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
288 if (!skb)
289 return -ENOMEM;
290 skb_reserve(skb, local->hw.extra_tx_headroom);
291
292 hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
293 memset(hdr, 0, 24);
294 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
295
296 switch (sdata->vif.type) {
297 case NL80211_IFTYPE_AP:
298 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
299 /* DA BSSID SA */
300 memcpy(hdr->addr1, addr, ETH_ALEN);
301 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
302 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
303 break;
304 case NL80211_IFTYPE_STATION:
305 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
306 /* BSSID SA DA */
307 mutex_lock(&sdata->u.mgd.mtx);
308 if (!sdata->u.mgd.associated) {
309 mutex_unlock(&sdata->u.mgd.mtx);
310 dev_kfree_skb(skb);
311 return -ENOTCONN;
312 }
313 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
314 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
315 memcpy(hdr->addr3, addr, ETH_ALEN);
316 mutex_unlock(&sdata->u.mgd.mtx);
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
340 static 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
348 static 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
368 static 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
376 static 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 */
397 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
398 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
399 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
400
401 static 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 */
410 static 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
421 static 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 int tsf_is_delta = 0;
428
429 if (strncmp(buf, "reset", 5) == 0) {
430 if (local->ops->reset_tsf) {
431 drv_reset_tsf(local, sdata);
432 wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
433 }
434 } else {
435 if (buflen > 10 && buf[1] == '=') {
436 if (buf[0] == '+')
437 tsf_is_delta = 1;
438 else if (buf[0] == '-')
439 tsf_is_delta = -1;
440 else
441 return -EINVAL;
442 buf += 2;
443 }
444 ret = kstrtoull(buf, 10, &tsf);
445 if (ret < 0)
446 return ret;
447 if (tsf_is_delta)
448 tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
449 if (local->ops->set_tsf) {
450 drv_set_tsf(local, sdata, tsf);
451 wiphy_info(local->hw.wiphy,
452 "debugfs set TSF to %#018llx\n", tsf);
453 }
454 }
455
456 return buflen;
457 }
458 __IEEE80211_IF_FILE_W(tsf);
459
460
461 /* WDS attributes */
462 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
463
464 #ifdef CONFIG_MAC80211_MESH
465 /* Mesh stats attributes */
466 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
467 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
468 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
469 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
470 IEEE80211_IF_FILE(dropped_frames_congestion,
471 u.mesh.mshstats.dropped_frames_congestion, DEC);
472 IEEE80211_IF_FILE(dropped_frames_no_route,
473 u.mesh.mshstats.dropped_frames_no_route, DEC);
474 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
475
476 /* Mesh parameters */
477 IEEE80211_IF_FILE(dot11MeshMaxRetries,
478 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
479 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
480 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
481 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
482 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
483 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
484 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
485 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
486 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
487 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
488 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
489 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
490 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
491 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
492 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
493 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
494 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
495 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
496 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
497 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
498 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
499 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
500 IEEE80211_IF_FILE(path_refresh_time,
501 u.mesh.mshcfg.path_refresh_time, DEC);
502 IEEE80211_IF_FILE(min_discovery_timeout,
503 u.mesh.mshcfg.min_discovery_timeout, DEC);
504 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
505 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
506 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
507 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
508 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
509 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
510 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
511 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
512 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
513 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
514 u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
515 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
516 u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
517 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
518 u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
519 #endif
520
521 #define DEBUGFS_ADD_MODE(name, mode) \
522 debugfs_create_file(#name, mode, sdata->debugfs.dir, \
523 sdata, &name##_ops);
524
525 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
526
527 static void add_common_files(struct ieee80211_sub_if_data *sdata)
528 {
529 DEBUGFS_ADD(drop_unencrypted);
530 DEBUGFS_ADD(rc_rateidx_mask_2ghz);
531 DEBUGFS_ADD(rc_rateidx_mask_5ghz);
532 DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
533 DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
534 DEBUGFS_ADD(hw_queues);
535 }
536
537 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
538 {
539 DEBUGFS_ADD(bssid);
540 DEBUGFS_ADD(aid);
541 DEBUGFS_ADD(last_beacon);
542 DEBUGFS_ADD(ave_beacon);
543 DEBUGFS_ADD_MODE(smps, 0600);
544 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
545 DEBUGFS_ADD_MODE(uapsd_queues, 0600);
546 DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
547 }
548
549 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
550 {
551 DEBUGFS_ADD(num_mcast_sta);
552 DEBUGFS_ADD(num_sta_ps);
553 DEBUGFS_ADD(dtim_count);
554 DEBUGFS_ADD(num_buffered_multicast);
555 DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
556 }
557
558 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
559 {
560 DEBUGFS_ADD_MODE(tsf, 0600);
561 }
562
563 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
564 {
565 DEBUGFS_ADD(peer);
566 }
567
568 #ifdef CONFIG_MAC80211_MESH
569
570 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
571 {
572 DEBUGFS_ADD_MODE(tsf, 0600);
573 }
574
575 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
576 {
577 struct dentry *dir = debugfs_create_dir("mesh_stats",
578 sdata->debugfs.dir);
579 #define MESHSTATS_ADD(name)\
580 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
581
582 MESHSTATS_ADD(fwded_mcast);
583 MESHSTATS_ADD(fwded_unicast);
584 MESHSTATS_ADD(fwded_frames);
585 MESHSTATS_ADD(dropped_frames_ttl);
586 MESHSTATS_ADD(dropped_frames_no_route);
587 MESHSTATS_ADD(dropped_frames_congestion);
588 MESHSTATS_ADD(estab_plinks);
589 #undef MESHSTATS_ADD
590 }
591
592 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
593 {
594 struct dentry *dir = debugfs_create_dir("mesh_config",
595 sdata->debugfs.dir);
596
597 #define MESHPARAMS_ADD(name) \
598 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
599
600 MESHPARAMS_ADD(dot11MeshMaxRetries);
601 MESHPARAMS_ADD(dot11MeshRetryTimeout);
602 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
603 MESHPARAMS_ADD(dot11MeshHoldingTimeout);
604 MESHPARAMS_ADD(dot11MeshTTL);
605 MESHPARAMS_ADD(element_ttl);
606 MESHPARAMS_ADD(auto_open_plinks);
607 MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
608 MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
609 MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
610 MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
611 MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
612 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
613 MESHPARAMS_ADD(path_refresh_time);
614 MESHPARAMS_ADD(min_discovery_timeout);
615 MESHPARAMS_ADD(dot11MeshHWMPRootMode);
616 MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
617 MESHPARAMS_ADD(dot11MeshForwarding);
618 MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
619 MESHPARAMS_ADD(rssi_threshold);
620 MESHPARAMS_ADD(ht_opmode);
621 MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
622 MESHPARAMS_ADD(dot11MeshHWMProotInterval);
623 MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
624 #undef MESHPARAMS_ADD
625 }
626 #endif
627
628 static void add_files(struct ieee80211_sub_if_data *sdata)
629 {
630 if (!sdata->debugfs.dir)
631 return;
632
633 DEBUGFS_ADD(flags);
634 DEBUGFS_ADD(state);
635 DEBUGFS_ADD(channel_type);
636 DEBUGFS_ADD(txpower);
637 DEBUGFS_ADD(user_power_level);
638 DEBUGFS_ADD(ap_power_level);
639
640 if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
641 add_common_files(sdata);
642
643 switch (sdata->vif.type) {
644 case NL80211_IFTYPE_MESH_POINT:
645 #ifdef CONFIG_MAC80211_MESH
646 add_mesh_files(sdata);
647 add_mesh_stats(sdata);
648 add_mesh_config(sdata);
649 #endif
650 break;
651 case NL80211_IFTYPE_STATION:
652 add_sta_files(sdata);
653 break;
654 case NL80211_IFTYPE_ADHOC:
655 add_ibss_files(sdata);
656 break;
657 case NL80211_IFTYPE_AP:
658 add_ap_files(sdata);
659 break;
660 case NL80211_IFTYPE_WDS:
661 add_wds_files(sdata);
662 break;
663 default:
664 break;
665 }
666 }
667
668 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
669 {
670 char buf[10+IFNAMSIZ];
671
672 sprintf(buf, "netdev:%s", sdata->name);
673 sdata->debugfs.dir = debugfs_create_dir(buf,
674 sdata->local->hw.wiphy->debugfsdir);
675 if (sdata->debugfs.dir)
676 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
677 sdata->debugfs.dir);
678 add_files(sdata);
679 }
680
681 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
682 {
683 if (!sdata->debugfs.dir)
684 return;
685
686 debugfs_remove_recursive(sdata->debugfs.dir);
687 sdata->debugfs.dir = NULL;
688 }
689
690 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
691 {
692 struct dentry *dir;
693 char buf[10 + IFNAMSIZ];
694
695 dir = sdata->debugfs.dir;
696
697 if (!dir)
698 return;
699
700 sprintf(buf, "netdev:%s", sdata->name);
701 if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
702 sdata_err(sdata,
703 "debugfs: failed to rename debugfs dir to %s\n",
704 buf);
705 }
Linux kernel - Deliverables
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