Merge branches 'acpi-cleanup', 'acpi-thermal', 'acpi-video' and 'acpi-dock'
[pandora-kernel.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_FMT_JIFFIES_TO_MS(name, field)                     \
128 static ssize_t ieee80211_if_fmt_##name(                                 \
129         const struct ieee80211_sub_if_data *sdata,                      \
130         char *buf, int buflen)                                          \
131 {                                                                       \
132         return scnprintf(buf, buflen, "%d\n",                           \
133                          jiffies_to_msecs(sdata->field));               \
134 }
135
136 #define _IEEE80211_IF_FILE_OPS(name, _read, _write)                     \
137 static const struct file_operations name##_ops = {                      \
138         .read = (_read),                                                \
139         .write = (_write),                                              \
140         .open = simple_open,                                            \
141         .llseek = generic_file_llseek,                                  \
142 }
143
144 #define _IEEE80211_IF_FILE_R_FN(name)                                   \
145 static ssize_t ieee80211_if_read_##name(struct file *file,              \
146                                         char __user *userbuf,           \
147                                         size_t count, loff_t *ppos)     \
148 {                                                                       \
149         return ieee80211_if_read(file->private_data,                    \
150                                  userbuf, count, ppos,                  \
151                                  ieee80211_if_fmt_##name);              \
152 }
153
154 #define _IEEE80211_IF_FILE_W_FN(name)                                   \
155 static ssize_t ieee80211_if_write_##name(struct file *file,             \
156                                          const char __user *userbuf,    \
157                                          size_t count, loff_t *ppos)    \
158 {                                                                       \
159         return ieee80211_if_write(file->private_data, userbuf, count,   \
160                                   ppos, ieee80211_if_parse_##name);     \
161 }
162
163 #define IEEE80211_IF_FILE_R(name)                                       \
164         _IEEE80211_IF_FILE_R_FN(name)                                   \
165         _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
166
167 #define IEEE80211_IF_FILE_W(name)                                       \
168         _IEEE80211_IF_FILE_W_FN(name)                                   \
169         _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
170
171 #define IEEE80211_IF_FILE_RW(name)                                      \
172         _IEEE80211_IF_FILE_R_FN(name)                                   \
173         _IEEE80211_IF_FILE_W_FN(name)                                   \
174         _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name,          \
175                                ieee80211_if_write_##name)
176
177 #define IEEE80211_IF_FILE(name, field, format)                          \
178         IEEE80211_IF_FMT_##format(name, field)                          \
179         IEEE80211_IF_FILE_R(name)
180
181 /* common attributes */
182 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
183 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
184                   HEX);
185 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
186                   HEX);
187 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
188                   rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
189 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
190                   rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
191
192 IEEE80211_IF_FILE(flags, flags, HEX);
193 IEEE80211_IF_FILE(state, state, LHEX);
194 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
195 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
196 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
197
198 static ssize_t
199 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
200                            char *buf, int buflen)
201 {
202         int len;
203
204         len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
205                         sdata->vif.hw_queue[IEEE80211_AC_VO],
206                         sdata->vif.hw_queue[IEEE80211_AC_VI],
207                         sdata->vif.hw_queue[IEEE80211_AC_BE],
208                         sdata->vif.hw_queue[IEEE80211_AC_BK]);
209
210         if (sdata->vif.type == NL80211_IFTYPE_AP)
211                 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
212                                  sdata->vif.cab_queue);
213
214         return len;
215 }
216 IEEE80211_IF_FILE_R(hw_queues);
217
218 /* STA attributes */
219 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
220 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
221 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
222 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
223 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
224
225 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
226                               enum ieee80211_smps_mode smps_mode)
227 {
228         struct ieee80211_local *local = sdata->local;
229         int err;
230
231         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
232             smps_mode == IEEE80211_SMPS_STATIC)
233                 return -EINVAL;
234
235         /* auto should be dynamic if in PS mode */
236         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
237             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
238              smps_mode == IEEE80211_SMPS_AUTOMATIC))
239                 return -EINVAL;
240
241         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
242             sdata->vif.type != NL80211_IFTYPE_AP)
243                 return -EOPNOTSUPP;
244
245         sdata_lock(sdata);
246         if (sdata->vif.type == NL80211_IFTYPE_STATION)
247                 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
248         else
249                 err = __ieee80211_request_smps_ap(sdata, smps_mode);
250         sdata_unlock(sdata);
251
252         return err;
253 }
254
255 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
256         [IEEE80211_SMPS_AUTOMATIC] = "auto",
257         [IEEE80211_SMPS_OFF] = "off",
258         [IEEE80211_SMPS_STATIC] = "static",
259         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
260 };
261
262 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
263                                      char *buf, int buflen)
264 {
265         if (sdata->vif.type == NL80211_IFTYPE_STATION)
266                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
267                                 smps_modes[sdata->u.mgd.req_smps],
268                                 smps_modes[sdata->smps_mode]);
269         if (sdata->vif.type == NL80211_IFTYPE_AP)
270                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
271                                 smps_modes[sdata->u.ap.req_smps],
272                                 smps_modes[sdata->smps_mode]);
273         return -EINVAL;
274 }
275
276 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
277                                        const char *buf, int buflen)
278 {
279         enum ieee80211_smps_mode mode;
280
281         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
282                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
283                         int err = ieee80211_set_smps(sdata, mode);
284                         if (!err)
285                                 return buflen;
286                         return err;
287                 }
288         }
289
290         return -EINVAL;
291 }
292 IEEE80211_IF_FILE_RW(smps);
293
294 static ssize_t ieee80211_if_parse_tkip_mic_test(
295         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
296 {
297         struct ieee80211_local *local = sdata->local;
298         u8 addr[ETH_ALEN];
299         struct sk_buff *skb;
300         struct ieee80211_hdr *hdr;
301         __le16 fc;
302
303         if (!mac_pton(buf, addr))
304                 return -EINVAL;
305
306         if (!ieee80211_sdata_running(sdata))
307                 return -ENOTCONN;
308
309         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
310         if (!skb)
311                 return -ENOMEM;
312         skb_reserve(skb, local->hw.extra_tx_headroom);
313
314         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
315         memset(hdr, 0, 24);
316         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
317
318         switch (sdata->vif.type) {
319         case NL80211_IFTYPE_AP:
320                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
321                 /* DA BSSID SA */
322                 memcpy(hdr->addr1, addr, ETH_ALEN);
323                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
324                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
325                 break;
326         case NL80211_IFTYPE_STATION:
327                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
328                 /* BSSID SA DA */
329                 sdata_lock(sdata);
330                 if (!sdata->u.mgd.associated) {
331                         sdata_unlock(sdata);
332                         dev_kfree_skb(skb);
333                         return -ENOTCONN;
334                 }
335                 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
336                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
337                 memcpy(hdr->addr3, addr, ETH_ALEN);
338                 sdata_unlock(sdata);
339                 break;
340         default:
341                 dev_kfree_skb(skb);
342                 return -EOPNOTSUPP;
343         }
344         hdr->frame_control = fc;
345
346         /*
347          * Add some length to the test frame to make it look bit more valid.
348          * The exact contents does not matter since the recipient is required
349          * to drop this because of the Michael MIC failure.
350          */
351         memset(skb_put(skb, 50), 0, 50);
352
353         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
354
355         ieee80211_tx_skb(sdata, skb);
356
357         return buflen;
358 }
359 IEEE80211_IF_FILE_W(tkip_mic_test);
360
361 static ssize_t ieee80211_if_parse_beacon_loss(
362         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
363 {
364         if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
365                 return -ENOTCONN;
366
367         ieee80211_beacon_loss(&sdata->vif);
368
369         return buflen;
370 }
371 IEEE80211_IF_FILE_W(beacon_loss);
372
373 static ssize_t ieee80211_if_fmt_uapsd_queues(
374         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
375 {
376         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
377
378         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
379 }
380
381 static ssize_t ieee80211_if_parse_uapsd_queues(
382         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
383 {
384         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
385         u8 val;
386         int ret;
387
388         ret = kstrtou8(buf, 0, &val);
389         if (ret)
390                 return ret;
391
392         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
393                 return -ERANGE;
394
395         ifmgd->uapsd_queues = val;
396
397         return buflen;
398 }
399 IEEE80211_IF_FILE_RW(uapsd_queues);
400
401 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
402         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
403 {
404         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
405
406         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
407 }
408
409 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
410         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
411 {
412         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
413         unsigned long val;
414         int ret;
415
416         ret = kstrtoul(buf, 0, &val);
417         if (ret)
418                 return -EINVAL;
419
420         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
421                 return -ERANGE;
422
423         ifmgd->uapsd_max_sp_len = val;
424
425         return buflen;
426 }
427 IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
428
429 /* AP attributes */
430 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
431 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
432 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
433
434 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
435         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
436 {
437         return scnprintf(buf, buflen, "%u\n",
438                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
439 }
440 IEEE80211_IF_FILE_R(num_buffered_multicast);
441
442 /* IBSS attributes */
443 static ssize_t ieee80211_if_fmt_tsf(
444         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
445 {
446         struct ieee80211_local *local = sdata->local;
447         u64 tsf;
448
449         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
450
451         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
452 }
453
454 static ssize_t ieee80211_if_parse_tsf(
455         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
456 {
457         struct ieee80211_local *local = sdata->local;
458         unsigned long long tsf;
459         int ret;
460         int tsf_is_delta = 0;
461
462         if (strncmp(buf, "reset", 5) == 0) {
463                 if (local->ops->reset_tsf) {
464                         drv_reset_tsf(local, sdata);
465                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
466                 }
467         } else {
468                 if (buflen > 10 && buf[1] == '=') {
469                         if (buf[0] == '+')
470                                 tsf_is_delta = 1;
471                         else if (buf[0] == '-')
472                                 tsf_is_delta = -1;
473                         else
474                                 return -EINVAL;
475                         buf += 2;
476                 }
477                 ret = kstrtoull(buf, 10, &tsf);
478                 if (ret < 0)
479                         return ret;
480                 if (tsf_is_delta)
481                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
482                 if (local->ops->set_tsf) {
483                         drv_set_tsf(local, sdata, tsf);
484                         wiphy_info(local->hw.wiphy,
485                                    "debugfs set TSF to %#018llx\n", tsf);
486                 }
487         }
488
489         ieee80211_recalc_dtim(local, sdata);
490         return buflen;
491 }
492 IEEE80211_IF_FILE_RW(tsf);
493
494
495 /* WDS attributes */
496 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
497
498 #ifdef CONFIG_MAC80211_MESH
499 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
500
501 /* Mesh stats attributes */
502 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
503 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
504 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
505 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
506 IEEE80211_IF_FILE(dropped_frames_congestion,
507                   u.mesh.mshstats.dropped_frames_congestion, DEC);
508 IEEE80211_IF_FILE(dropped_frames_no_route,
509                   u.mesh.mshstats.dropped_frames_no_route, DEC);
510
511 /* Mesh parameters */
512 IEEE80211_IF_FILE(dot11MeshMaxRetries,
513                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
514 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
515                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
516 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
517                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
518 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
519                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
520 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
521 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
522 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
523 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
524                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
525 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
526                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
527 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
528                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
529 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
530                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
531 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
532                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
533 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
534                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
535 IEEE80211_IF_FILE(path_refresh_time,
536                   u.mesh.mshcfg.path_refresh_time, DEC);
537 IEEE80211_IF_FILE(min_discovery_timeout,
538                   u.mesh.mshcfg.min_discovery_timeout, DEC);
539 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
540                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
541 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
542                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
543 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
544                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
545 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
546 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
547 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
548 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
549                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
550 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
551                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
552 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
553                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
554 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
555 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
556                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
557 #endif
558
559 #define DEBUGFS_ADD_MODE(name, mode) \
560         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
561                             sdata, &name##_ops);
562
563 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
564
565 static void add_common_files(struct ieee80211_sub_if_data *sdata)
566 {
567         DEBUGFS_ADD(drop_unencrypted);
568         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
569         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
570         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
571         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
572         DEBUGFS_ADD(hw_queues);
573 }
574
575 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
576 {
577         DEBUGFS_ADD(bssid);
578         DEBUGFS_ADD(aid);
579         DEBUGFS_ADD(last_beacon);
580         DEBUGFS_ADD(ave_beacon);
581         DEBUGFS_ADD(beacon_timeout);
582         DEBUGFS_ADD_MODE(smps, 0600);
583         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
584         DEBUGFS_ADD_MODE(beacon_loss, 0200);
585         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
586         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
587 }
588
589 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
590 {
591         DEBUGFS_ADD(num_mcast_sta);
592         DEBUGFS_ADD_MODE(smps, 0600);
593         DEBUGFS_ADD(num_sta_ps);
594         DEBUGFS_ADD(dtim_count);
595         DEBUGFS_ADD(num_buffered_multicast);
596         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
597 }
598
599 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
600 {
601         DEBUGFS_ADD_MODE(tsf, 0600);
602 }
603
604 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
605 {
606         DEBUGFS_ADD(peer);
607 }
608
609 #ifdef CONFIG_MAC80211_MESH
610
611 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
612 {
613         DEBUGFS_ADD_MODE(tsf, 0600);
614         DEBUGFS_ADD_MODE(estab_plinks, 0400);
615 }
616
617 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
618 {
619         struct dentry *dir = debugfs_create_dir("mesh_stats",
620                                                 sdata->vif.debugfs_dir);
621 #define MESHSTATS_ADD(name)\
622         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
623
624         MESHSTATS_ADD(fwded_mcast);
625         MESHSTATS_ADD(fwded_unicast);
626         MESHSTATS_ADD(fwded_frames);
627         MESHSTATS_ADD(dropped_frames_ttl);
628         MESHSTATS_ADD(dropped_frames_no_route);
629         MESHSTATS_ADD(dropped_frames_congestion);
630 #undef MESHSTATS_ADD
631 }
632
633 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
634 {
635         struct dentry *dir = debugfs_create_dir("mesh_config",
636                                                 sdata->vif.debugfs_dir);
637
638 #define MESHPARAMS_ADD(name) \
639         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
640
641         MESHPARAMS_ADD(dot11MeshMaxRetries);
642         MESHPARAMS_ADD(dot11MeshRetryTimeout);
643         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
644         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
645         MESHPARAMS_ADD(dot11MeshTTL);
646         MESHPARAMS_ADD(element_ttl);
647         MESHPARAMS_ADD(auto_open_plinks);
648         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
649         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
650         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
651         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
652         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
653         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
654         MESHPARAMS_ADD(path_refresh_time);
655         MESHPARAMS_ADD(min_discovery_timeout);
656         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
657         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
658         MESHPARAMS_ADD(dot11MeshForwarding);
659         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
660         MESHPARAMS_ADD(rssi_threshold);
661         MESHPARAMS_ADD(ht_opmode);
662         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
663         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
664         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
665         MESHPARAMS_ADD(power_mode);
666         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
667 #undef MESHPARAMS_ADD
668 }
669 #endif
670
671 static void add_files(struct ieee80211_sub_if_data *sdata)
672 {
673         if (!sdata->vif.debugfs_dir)
674                 return;
675
676         DEBUGFS_ADD(flags);
677         DEBUGFS_ADD(state);
678         DEBUGFS_ADD(txpower);
679         DEBUGFS_ADD(user_power_level);
680         DEBUGFS_ADD(ap_power_level);
681
682         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
683                 add_common_files(sdata);
684
685         switch (sdata->vif.type) {
686         case NL80211_IFTYPE_MESH_POINT:
687 #ifdef CONFIG_MAC80211_MESH
688                 add_mesh_files(sdata);
689                 add_mesh_stats(sdata);
690                 add_mesh_config(sdata);
691 #endif
692                 break;
693         case NL80211_IFTYPE_STATION:
694                 add_sta_files(sdata);
695                 break;
696         case NL80211_IFTYPE_ADHOC:
697                 add_ibss_files(sdata);
698                 break;
699         case NL80211_IFTYPE_AP:
700                 add_ap_files(sdata);
701                 break;
702         case NL80211_IFTYPE_WDS:
703                 add_wds_files(sdata);
704                 break;
705         default:
706                 break;
707         }
708 }
709
710 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
711 {
712         char buf[10+IFNAMSIZ];
713
714         sprintf(buf, "netdev:%s", sdata->name);
715         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
716                 sdata->local->hw.wiphy->debugfsdir);
717         if (sdata->vif.debugfs_dir)
718                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
719                         sdata->vif.debugfs_dir);
720         add_files(sdata);
721 }
722
723 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
724 {
725         if (!sdata->vif.debugfs_dir)
726                 return;
727
728         debugfs_remove_recursive(sdata->vif.debugfs_dir);
729         sdata->vif.debugfs_dir = NULL;
730 }
731
732 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
733 {
734         struct dentry *dir;
735         char buf[10 + IFNAMSIZ];
736
737         dir = sdata->vif.debugfs_dir;
738
739         if (!dir)
740                 return;
741
742         sprintf(buf, "netdev:%s", sdata->name);
743         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
744                 sdata_err(sdata,
745                           "debugfs: failed to rename debugfs dir to %s\n",
746                           buf);
747 }