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TOMOYO Linux Cross Reference
Linux/net/mac80211/debugfs_netdev.c

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  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         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         ret = (*write)(sdata, buf, count);
 65         rtnl_unlock();
 66 
 67         return ret;
 68 }
 69 
 70 #define IEEE80211_IF_FMT(name, field, format_string)                    \
 71 static ssize_t ieee80211_if_fmt_##name(                                 \
 72         const struct ieee80211_sub_if_data *sdata, char *buf,           \
 73         int buflen)                                                     \
 74 {                                                                       \
 75         return scnprintf(buf, buflen, format_string, sdata->field);     \
 76 }
 77 #define IEEE80211_IF_FMT_DEC(name, field)                               \
 78                 IEEE80211_IF_FMT(name, field, "%d\n")
 79 #define IEEE80211_IF_FMT_HEX(name, field)                               \
 80                 IEEE80211_IF_FMT(name, field, "%#x\n")
 81 #define IEEE80211_IF_FMT_LHEX(name, field)                              \
 82                 IEEE80211_IF_FMT(name, field, "%#lx\n")
 83 #define IEEE80211_IF_FMT_SIZE(name, field)                              \
 84                 IEEE80211_IF_FMT(name, field, "%zd\n")
 85 
 86 #define IEEE80211_IF_FMT_HEXARRAY(name, field)                          \
 87 static ssize_t ieee80211_if_fmt_##name(                                 \
 88         const struct ieee80211_sub_if_data *sdata,                      \
 89         char *buf, int buflen)                                          \
 90 {                                                                       \
 91         char *p = buf;                                                  \
 92         int i;                                                          \
 93         for (i = 0; i < sizeof(sdata->field); i++) {                    \
 94                 p += scnprintf(p, buflen + buf - p, "%.2x ",            \
 95                                  sdata->field[i]);                      \
 96         }                                                               \
 97         p += scnprintf(p, buflen + buf - p, "\n");                      \
 98         return p - buf;                                                 \
 99 }
100 
101 #define IEEE80211_IF_FMT_ATOMIC(name, field)                            \
102 static ssize_t ieee80211_if_fmt_##name(                                 \
103         const struct ieee80211_sub_if_data *sdata,                      \
104         char *buf, int buflen)                                          \
105 {                                                                       \
106         return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
107 }
108 
109 #define IEEE80211_IF_FMT_MAC(name, field)                               \
110 static ssize_t ieee80211_if_fmt_##name(                                 \
111         const struct ieee80211_sub_if_data *sdata, char *buf,           \
112         int buflen)                                                     \
113 {                                                                       \
114         return scnprintf(buf, buflen, "%pM\n", sdata->field);           \
115 }
116 
117 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field)                     \
118 static ssize_t ieee80211_if_fmt_##name(                                 \
119         const struct ieee80211_sub_if_data *sdata,                      \
120         char *buf, int buflen)                                          \
121 {                                                                       \
122         return scnprintf(buf, buflen, "%d\n",                           \
123                          jiffies_to_msecs(sdata->field));               \
124 }
125 
126 #define _IEEE80211_IF_FILE_OPS(name, _read, _write)                     \
127 static const struct file_operations name##_ops = {                      \
128         .read = (_read),                                                \
129         .write = (_write),                                              \
130         .open = simple_open,                                            \
131         .llseek = generic_file_llseek,                                  \
132 }
133 
134 #define _IEEE80211_IF_FILE_R_FN(name)                                   \
135 static ssize_t ieee80211_if_read_##name(struct file *file,              \
136                                         char __user *userbuf,           \
137                                         size_t count, loff_t *ppos)     \
138 {                                                                       \
139         return ieee80211_if_read(file->private_data,                    \
140                                  userbuf, count, ppos,                  \
141                                  ieee80211_if_fmt_##name);              \
142 }
143 
144 #define _IEEE80211_IF_FILE_W_FN(name)                                   \
145 static ssize_t ieee80211_if_write_##name(struct file *file,             \
146                                          const char __user *userbuf,    \
147                                          size_t count, loff_t *ppos)    \
148 {                                                                       \
149         return ieee80211_if_write(file->private_data, userbuf, count,   \
150                                   ppos, ieee80211_if_parse_##name);     \
151 }
152 
153 #define IEEE80211_IF_FILE_R(name)                                       \
154         _IEEE80211_IF_FILE_R_FN(name)                                   \
155         _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
156 
157 #define IEEE80211_IF_FILE_W(name)                                       \
158         _IEEE80211_IF_FILE_W_FN(name)                                   \
159         _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
160 
161 #define IEEE80211_IF_FILE_RW(name)                                      \
162         _IEEE80211_IF_FILE_R_FN(name)                                   \
163         _IEEE80211_IF_FILE_W_FN(name)                                   \
164         _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name,          \
165                                ieee80211_if_write_##name)
166 
167 #define IEEE80211_IF_FILE(name, field, format)                          \
168         IEEE80211_IF_FMT_##format(name, field)                          \
169         IEEE80211_IF_FILE_R(name)
170 
171 /* common attributes */
172 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[NL80211_BAND_2GHZ],
173                   HEX);
174 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[NL80211_BAND_5GHZ],
175                   HEX);
176 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
177                   rc_rateidx_mcs_mask[NL80211_BAND_2GHZ], HEXARRAY);
178 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
179                   rc_rateidx_mcs_mask[NL80211_BAND_5GHZ], HEXARRAY);
180 
181 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz(
182                                 const struct ieee80211_sub_if_data *sdata,
183                                 char *buf, int buflen)
184 {
185         int i, len = 0;
186         const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ];
187 
188         for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
189                 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);
190         len += scnprintf(buf + len, buflen - len, "\n");
191 
192         return len;
193 }
194 
195 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz);
196 
197 static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz(
198                                 const struct ieee80211_sub_if_data *sdata,
199                                 char *buf, int buflen)
200 {
201         int i, len = 0;
202         const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ];
203 
204         for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
205                 len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);
206         len += scnprintf(buf + len, buflen - len, "\n");
207 
208         return len;
209 }
210 
211 IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz);
212 
213 IEEE80211_IF_FILE(flags, flags, HEX);
214 IEEE80211_IF_FILE(state, state, LHEX);
215 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
216 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
217 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
218 
219 static ssize_t
220 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
221                            char *buf, int buflen)
222 {
223         int len;
224 
225         len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
226                         sdata->vif.hw_queue[IEEE80211_AC_VO],
227                         sdata->vif.hw_queue[IEEE80211_AC_VI],
228                         sdata->vif.hw_queue[IEEE80211_AC_BE],
229                         sdata->vif.hw_queue[IEEE80211_AC_BK]);
230 
231         if (sdata->vif.type == NL80211_IFTYPE_AP)
232                 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
233                                  sdata->vif.cab_queue);
234 
235         return len;
236 }
237 IEEE80211_IF_FILE_R(hw_queues);
238 
239 /* STA attributes */
240 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
241 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
242 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
243 
244 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
245                               enum ieee80211_smps_mode smps_mode)
246 {
247         struct ieee80211_local *local = sdata->local;
248         int err;
249 
250         if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&
251             smps_mode == IEEE80211_SMPS_STATIC)
252                 return -EINVAL;
253 
254         /* auto should be dynamic if in PS mode */
255         if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) &&
256             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
257              smps_mode == IEEE80211_SMPS_AUTOMATIC))
258                 return -EINVAL;
259 
260         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
261             sdata->vif.type != NL80211_IFTYPE_AP)
262                 return -EOPNOTSUPP;
263 
264         sdata_lock(sdata);
265         if (sdata->vif.type == NL80211_IFTYPE_STATION)
266                 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
267         else
268                 err = __ieee80211_request_smps_ap(sdata, smps_mode);
269         sdata_unlock(sdata);
270 
271         return err;
272 }
273 
274 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
275         [IEEE80211_SMPS_AUTOMATIC] = "auto",
276         [IEEE80211_SMPS_OFF] = "off",
277         [IEEE80211_SMPS_STATIC] = "static",
278         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
279 };
280 
281 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
282                                      char *buf, int buflen)
283 {
284         if (sdata->vif.type == NL80211_IFTYPE_STATION)
285                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
286                                 smps_modes[sdata->u.mgd.req_smps],
287                                 smps_modes[sdata->smps_mode]);
288         if (sdata->vif.type == NL80211_IFTYPE_AP)
289                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
290                                 smps_modes[sdata->u.ap.req_smps],
291                                 smps_modes[sdata->smps_mode]);
292         return -EINVAL;
293 }
294 
295 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
296                                        const char *buf, int buflen)
297 {
298         enum ieee80211_smps_mode mode;
299 
300         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
301                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
302                         int err = ieee80211_set_smps(sdata, mode);
303                         if (!err)
304                                 return buflen;
305                         return err;
306                 }
307         }
308 
309         return -EINVAL;
310 }
311 IEEE80211_IF_FILE_RW(smps);
312 
313 static ssize_t ieee80211_if_parse_tkip_mic_test(
314         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
315 {
316         struct ieee80211_local *local = sdata->local;
317         u8 addr[ETH_ALEN];
318         struct sk_buff *skb;
319         struct ieee80211_hdr *hdr;
320         __le16 fc;
321 
322         if (!mac_pton(buf, addr))
323                 return -EINVAL;
324 
325         if (!ieee80211_sdata_running(sdata))
326                 return -ENOTCONN;
327 
328         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
329         if (!skb)
330                 return -ENOMEM;
331         skb_reserve(skb, local->hw.extra_tx_headroom);
332 
333         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
334         memset(hdr, 0, 24);
335         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
336 
337         switch (sdata->vif.type) {
338         case NL80211_IFTYPE_AP:
339                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
340                 /* DA BSSID SA */
341                 memcpy(hdr->addr1, addr, ETH_ALEN);
342                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
343                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
344                 break;
345         case NL80211_IFTYPE_STATION:
346                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
347                 /* BSSID SA DA */
348                 sdata_lock(sdata);
349                 if (!sdata->u.mgd.associated) {
350                         sdata_unlock(sdata);
351                         dev_kfree_skb(skb);
352                         return -ENOTCONN;
353                 }
354                 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
355                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
356                 memcpy(hdr->addr3, addr, ETH_ALEN);
357                 sdata_unlock(sdata);
358                 break;
359         default:
360                 dev_kfree_skb(skb);
361                 return -EOPNOTSUPP;
362         }
363         hdr->frame_control = fc;
364 
365         /*
366          * Add some length to the test frame to make it look bit more valid.
367          * The exact contents does not matter since the recipient is required
368          * to drop this because of the Michael MIC failure.
369          */
370         memset(skb_put(skb, 50), 0, 50);
371 
372         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
373 
374         ieee80211_tx_skb(sdata, skb);
375 
376         return buflen;
377 }
378 IEEE80211_IF_FILE_W(tkip_mic_test);
379 
380 static ssize_t ieee80211_if_parse_beacon_loss(
381         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
382 {
383         if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
384                 return -ENOTCONN;
385 
386         ieee80211_beacon_loss(&sdata->vif);
387 
388         return buflen;
389 }
390 IEEE80211_IF_FILE_W(beacon_loss);
391 
392 static ssize_t ieee80211_if_fmt_uapsd_queues(
393         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
394 {
395         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
396 
397         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
398 }
399 
400 static ssize_t ieee80211_if_parse_uapsd_queues(
401         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
402 {
403         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
404         u8 val;
405         int ret;
406 
407         ret = kstrtou8(buf, 0, &val);
408         if (ret)
409                 return ret;
410 
411         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
412                 return -ERANGE;
413 
414         ifmgd->uapsd_queues = val;
415 
416         return buflen;
417 }
418 IEEE80211_IF_FILE_RW(uapsd_queues);
419 
420 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
421         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
422 {
423         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
424 
425         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
426 }
427 
428 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
429         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
430 {
431         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
432         unsigned long val;
433         int ret;
434 
435         ret = kstrtoul(buf, 0, &val);
436         if (ret)
437                 return -EINVAL;
438 
439         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
440                 return -ERANGE;
441 
442         ifmgd->uapsd_max_sp_len = val;
443 
444         return buflen;
445 }
446 IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
447 
448 static ssize_t ieee80211_if_fmt_tdls_wider_bw(
449         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
450 {
451         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
452         bool tdls_wider_bw;
453 
454         tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) &&
455                         !ifmgd->tdls_wider_bw_prohibited;
456 
457         return snprintf(buf, buflen, "%d\n", tdls_wider_bw);
458 }
459 
460 static ssize_t ieee80211_if_parse_tdls_wider_bw(
461         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
462 {
463         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
464         u8 val;
465         int ret;
466 
467         ret = kstrtou8(buf, 0, &val);
468         if (ret)
469                 return ret;
470 
471         ifmgd->tdls_wider_bw_prohibited = !val;
472         return buflen;
473 }
474 IEEE80211_IF_FILE_RW(tdls_wider_bw);
475 
476 /* AP attributes */
477 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
478 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
479 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
480 
481 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
482         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
483 {
484         return scnprintf(buf, buflen, "%u\n",
485                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
486 }
487 IEEE80211_IF_FILE_R(num_buffered_multicast);
488 
489 /* IBSS attributes */
490 static ssize_t ieee80211_if_fmt_tsf(
491         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
492 {
493         struct ieee80211_local *local = sdata->local;
494         u64 tsf;
495 
496         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
497 
498         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
499 }
500 
501 static ssize_t ieee80211_if_parse_tsf(
502         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
503 {
504         struct ieee80211_local *local = sdata->local;
505         unsigned long long tsf;
506         int ret;
507         int tsf_is_delta = 0;
508 
509         if (strncmp(buf, "reset", 5) == 0) {
510                 if (local->ops->reset_tsf) {
511                         drv_reset_tsf(local, sdata);
512                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
513                 }
514         } else {
515                 if (buflen > 10 && buf[1] == '=') {
516                         if (buf[0] == '+')
517                                 tsf_is_delta = 1;
518                         else if (buf[0] == '-')
519                                 tsf_is_delta = -1;
520                         else
521                                 return -EINVAL;
522                         buf += 2;
523                 }
524                 ret = kstrtoull(buf, 10, &tsf);
525                 if (ret < 0)
526                         return ret;
527                 if (tsf_is_delta)
528                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
529                 if (local->ops->set_tsf) {
530                         drv_set_tsf(local, sdata, tsf);
531                         wiphy_info(local->hw.wiphy,
532                                    "debugfs set TSF to %#018llx\n", tsf);
533                 }
534         }
535 
536         ieee80211_recalc_dtim(local, sdata);
537         return buflen;
538 }
539 IEEE80211_IF_FILE_RW(tsf);
540 
541 
542 /* WDS attributes */
543 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
544 
545 #ifdef CONFIG_MAC80211_MESH
546 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
547 
548 /* Mesh stats attributes */
549 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
550 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
551 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
552 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
553 IEEE80211_IF_FILE(dropped_frames_congestion,
554                   u.mesh.mshstats.dropped_frames_congestion, DEC);
555 IEEE80211_IF_FILE(dropped_frames_no_route,
556                   u.mesh.mshstats.dropped_frames_no_route, DEC);
557 
558 /* Mesh parameters */
559 IEEE80211_IF_FILE(dot11MeshMaxRetries,
560                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
561 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
562                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
563 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
564                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
565 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
566                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
567 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
568 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
569 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
570 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
571                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
572 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
573                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
574 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
575                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
576 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
577                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
578 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
579                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
580 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
581                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
582 IEEE80211_IF_FILE(path_refresh_time,
583                   u.mesh.mshcfg.path_refresh_time, DEC);
584 IEEE80211_IF_FILE(min_discovery_timeout,
585                   u.mesh.mshcfg.min_discovery_timeout, DEC);
586 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
587                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
588 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
589                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
590 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
591                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
592 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
593 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
594 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
595 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
596                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
597 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
598                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
599 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
600                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
601 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
602 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
603                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
604 #endif
605 
606 #define DEBUGFS_ADD_MODE(name, mode) \
607         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
608                             sdata, &name##_ops);
609 
610 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
611 
612 static void add_common_files(struct ieee80211_sub_if_data *sdata)
613 {
614         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
615         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
616         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
617         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
618         DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz);
619         DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz);
620         DEBUGFS_ADD(hw_queues);
621 }
622 
623 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
624 {
625         DEBUGFS_ADD(bssid);
626         DEBUGFS_ADD(aid);
627         DEBUGFS_ADD(beacon_timeout);
628         DEBUGFS_ADD_MODE(smps, 0600);
629         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
630         DEBUGFS_ADD_MODE(beacon_loss, 0200);
631         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
632         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
633         DEBUGFS_ADD_MODE(tdls_wider_bw, 0600);
634 }
635 
636 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
637 {
638         DEBUGFS_ADD(num_mcast_sta);
639         DEBUGFS_ADD_MODE(smps, 0600);
640         DEBUGFS_ADD(num_sta_ps);
641         DEBUGFS_ADD(dtim_count);
642         DEBUGFS_ADD(num_buffered_multicast);
643         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
644 }
645 
646 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
647 {
648         DEBUGFS_ADD_MODE(tsf, 0600);
649 }
650 
651 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
652 {
653         DEBUGFS_ADD(peer);
654 }
655 
656 #ifdef CONFIG_MAC80211_MESH
657 
658 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
659 {
660         DEBUGFS_ADD_MODE(tsf, 0600);
661         DEBUGFS_ADD_MODE(estab_plinks, 0400);
662 }
663 
664 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
665 {
666         struct dentry *dir = debugfs_create_dir("mesh_stats",
667                                                 sdata->vif.debugfs_dir);
668 #define MESHSTATS_ADD(name)\
669         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
670 
671         MESHSTATS_ADD(fwded_mcast);
672         MESHSTATS_ADD(fwded_unicast);
673         MESHSTATS_ADD(fwded_frames);
674         MESHSTATS_ADD(dropped_frames_ttl);
675         MESHSTATS_ADD(dropped_frames_no_route);
676         MESHSTATS_ADD(dropped_frames_congestion);
677 #undef MESHSTATS_ADD
678 }
679 
680 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
681 {
682         struct dentry *dir = debugfs_create_dir("mesh_config",
683                                                 sdata->vif.debugfs_dir);
684 
685 #define MESHPARAMS_ADD(name) \
686         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
687 
688         MESHPARAMS_ADD(dot11MeshMaxRetries);
689         MESHPARAMS_ADD(dot11MeshRetryTimeout);
690         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
691         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
692         MESHPARAMS_ADD(dot11MeshTTL);
693         MESHPARAMS_ADD(element_ttl);
694         MESHPARAMS_ADD(auto_open_plinks);
695         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
696         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
697         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
698         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
699         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
700         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
701         MESHPARAMS_ADD(path_refresh_time);
702         MESHPARAMS_ADD(min_discovery_timeout);
703         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
704         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
705         MESHPARAMS_ADD(dot11MeshForwarding);
706         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
707         MESHPARAMS_ADD(rssi_threshold);
708         MESHPARAMS_ADD(ht_opmode);
709         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
710         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
711         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
712         MESHPARAMS_ADD(power_mode);
713         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
714 #undef MESHPARAMS_ADD
715 }
716 #endif
717 
718 static void add_files(struct ieee80211_sub_if_data *sdata)
719 {
720         if (!sdata->vif.debugfs_dir)
721                 return;
722 
723         DEBUGFS_ADD(flags);
724         DEBUGFS_ADD(state);
725         DEBUGFS_ADD(txpower);
726         DEBUGFS_ADD(user_power_level);
727         DEBUGFS_ADD(ap_power_level);
728 
729         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
730                 add_common_files(sdata);
731 
732         switch (sdata->vif.type) {
733         case NL80211_IFTYPE_MESH_POINT:
734 #ifdef CONFIG_MAC80211_MESH
735                 add_mesh_files(sdata);
736                 add_mesh_stats(sdata);
737                 add_mesh_config(sdata);
738 #endif
739                 break;
740         case NL80211_IFTYPE_STATION:
741                 add_sta_files(sdata);
742                 break;
743         case NL80211_IFTYPE_ADHOC:
744                 add_ibss_files(sdata);
745                 break;
746         case NL80211_IFTYPE_AP:
747                 add_ap_files(sdata);
748                 break;
749         case NL80211_IFTYPE_WDS:
750                 add_wds_files(sdata);
751                 break;
752         default:
753                 break;
754         }
755 }
756 
757 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
758 {
759         char buf[10+IFNAMSIZ];
760 
761         sprintf(buf, "netdev:%s", sdata->name);
762         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
763                 sdata->local->hw.wiphy->debugfsdir);
764         if (sdata->vif.debugfs_dir)
765                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
766                         sdata->vif.debugfs_dir);
767         add_files(sdata);
768 }
769 
770 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
771 {
772         if (!sdata->vif.debugfs_dir)
773                 return;
774 
775         debugfs_remove_recursive(sdata->vif.debugfs_dir);
776         sdata->vif.debugfs_dir = NULL;
777         sdata->debugfs.subdir_stations = NULL;
778 }
779 
780 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
781 {
782         struct dentry *dir;
783         char buf[10 + IFNAMSIZ];
784 
785         dir = sdata->vif.debugfs_dir;
786 
787         if (!dir)
788                 return;
789 
790         sprintf(buf, "netdev:%s", sdata->name);
791         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
792                 sdata_err(sdata,
793                           "debugfs: failed to rename debugfs dir to %s\n",
794                           buf);
795 }
796 

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