simple_open: automatically convert to simple_open()
[linux-2.6.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/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
26 static 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
46 static 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)                    \
72 static 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)                          \
88 static 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)                            \
103 static 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)                               \
111 static 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)                        \
119 static 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)                               \
127 static 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 }                                                                       \
135 static 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)                                     \
143 static 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 */
158 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
159 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
160                   HEX);
161 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
162                   HEX);
163 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
164                   rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
165 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
166                   rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
167
168 IEEE80211_IF_FILE(flags, flags, HEX);
169 IEEE80211_IF_FILE(state, state, LHEX);
170 IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
171
172 /* STA attributes */
173 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
174 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
175 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
176 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
177
178 static 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
205 static 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
212 static 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
223 static 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
242 static 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
248 static 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
269 static 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
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_sta_authorized, u.ap.num_sta_authorized, ATOMIC);
398 IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
399 IEEE80211_IF_FILE(dtim_count, u.ap.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
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 */
450 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
451
452 #ifdef CONFIG_MAC80211_MESH
453 /* Mesh stats attributes */
454 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
455 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
456 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
457 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
458 IEEE80211_IF_FILE(dropped_frames_congestion,
459                 u.mesh.mshstats.dropped_frames_congestion, DEC);
460 IEEE80211_IF_FILE(dropped_frames_no_route,
461                 u.mesh.mshstats.dropped_frames_no_route, DEC);
462 IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
463
464 /* Mesh parameters */
465 IEEE80211_IF_FILE(dot11MeshMaxRetries,
466                 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
467 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
468                 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
469 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
470                 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
471 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
472                 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
473 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
474 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
475 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
476 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
477                 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
478 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
479                 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
480 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
481                 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
482 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
483                 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
484 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
485                 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
486 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
487                 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
488 IEEE80211_IF_FILE(path_refresh_time,
489                 u.mesh.mshcfg.path_refresh_time, DEC);
490 IEEE80211_IF_FILE(min_discovery_timeout,
491                 u.mesh.mshcfg.min_discovery_timeout, DEC);
492 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
493                 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
494 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
495                 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
496 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
497                 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
498 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
499 IEEE80211_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
511 static 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
532 static 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
550 static 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
561 static 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
575 static 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
587 static 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
596 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
597 {
598         DEBUGFS_ADD_MODE(tsf, 0600);
599 }
600
601 static 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
618 static 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
649 static 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
685 void 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
698 void 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
707 void 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 }