package/mac80211/src/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/notifier.h>
  17 #include <net/mac80211.h>
  18 #include <net/cfg80211.h>
  19 #include "ieee80211_i.h"
  20 #include "ieee80211_rate.h"
  21 #include "debugfs.h"
  22 #include "debugfs_netdev.h"
  23
  24 static ssize_t ieee80211_if_read(
  25         struct ieee80211_sub_if_data *sdata,
  26         char __user *userbuf,
  27         size_t count, loff_t *ppos,
  28         ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
  29 {
  30         char buf[70];
  31         ssize_t ret = -EINVAL;
  32
  33         read_lock(&dev_base_lock);
  34         if (sdata->dev->reg_state == NETREG_REGISTERED) {
  35                 ret = (*format)(sdata, buf, sizeof(buf));
  36                 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
  37         }
  38         read_unlock(&dev_base_lock);
  39         return ret;
  40 }
  41
  42 #define IEEE80211_IF_FMT(name, field, format_string)                    \
  43 static ssize_t ieee80211_if_fmt_##name(                                 \
  44         const struct ieee80211_sub_if_data *sdata, char *buf,           \
  45         int buflen)                                                     \
  46 {                                                                       \
  47         return scnprintf(buf, buflen, format_string, sdata->field);     \
  48 }
  49 #define IEEE80211_IF_FMT_DEC(name, field)                               \
  50                 IEEE80211_IF_FMT(name, field, "%d\n")
  51 #define IEEE80211_IF_FMT_HEX(name, field)                               \
  52                 IEEE80211_IF_FMT(name, field, "%#x\n")
  53 #define IEEE80211_IF_FMT_SIZE(name, field)                              \
  54                 IEEE80211_IF_FMT(name, field, "%zd\n")
  55
  56 #define IEEE80211_IF_FMT_ATOMIC(name, field)                            \
  57 static ssize_t ieee80211_if_fmt_##name(                                 \
  58         const struct ieee80211_sub_if_data *sdata,                      \
  59         char *buf, int buflen)                                          \
  60 {                                                                       \
  61         return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
  62 }
  63
  64 #define IEEE80211_IF_FMT_MAC(name, field)                               \
  65 static ssize_t ieee80211_if_fmt_##name(                                 \
  66         const struct ieee80211_sub_if_data *sdata, char *buf,           \
  67         int buflen)                                                     \
  68 {                                                                       \
  69         return scnprintf(buf, buflen, MAC_FMT "\n", MAC_ARG(sdata->field));\
  70 }
  71
  72 #define __IEEE80211_IF_FILE(name)                                       \
  73 static ssize_t ieee80211_if_read_##name(struct file *file,              \
  74                                         char __user *userbuf,           \
  75                                         size_t count, loff_t *ppos)     \
  76 {                                                                       \
  77         return ieee80211_if_read(file->private_data,                    \
  78                                  userbuf, count, ppos,                  \
  79                                  ieee80211_if_fmt_##name);              \
  80 }                                                                       \
  81 static const struct file_operations name##_ops = {                      \
  82         .read = ieee80211_if_read_##name,                               \
  83         .open = mac80211_open_file_generic,                             \
  84 }
  85
  86 #define IEEE80211_IF_FILE(name, field, format)                          \
  87                 IEEE80211_IF_FMT_##format(name, field)                  \
  88                 __IEEE80211_IF_FILE(name)
  89
  90 static struct ieee80211_elem_tspec _tspec = {
  91         .nominal_msdu_size = 200,
  92         .inactivity_interval = 40,
  93         .mean_data_rate = 40000,
  94         .min_phy_rate = 6000000,
  95         .surplus_band_allow = 8192,
  96         .medium_time = 30,
  97 };
  98 static u8 _dls_mac[ETH_ALEN];
  99
 100 #define DEBUGFS_QOS_FILE(name, f)                                       \
 101 static ssize_t qos_ ##name## _write(struct file *file,                  \
 102                                     const char __user *userbuf,         \
 103                                     size_t count, loff_t *ppos)         \
 104 {                                                                       \
 105         struct ieee80211_sub_if_data *sdata = file->private_data;       \
 106                                                                         \
 107         f(sdata->dev, &sdata->u.sta, &_tspec);                          \
 108                                                                         \
 109         return count;                                                   \
 110 }                                                                       \
 111                                                                         \
 112 static const struct file_operations qos_ ##name## _ops = {              \
 113         .write = qos_ ##name## _write,                                  \
 114         .open = mac80211_open_file_generic,                             \
 115 };
 116
 117 #define DEBUGFS_QOS_ADD(name)                                           \
 118         sdata->debugfs.sta.qos.name = debugfs_create_file(#name, 0444, qosd,\
 119                 sdata, &qos_ ##name## _ops);
 120
 121 #define DEBUGFS_QOS_DEL(name)                                           \
 122         do {                                                            \
 123                 debugfs_remove(sdata->debugfs.sta.qos.name);            \
 124                 sdata->debugfs.sta.qos.name = NULL;                     \
 125         } while (0)
 126
 127 DEBUGFS_QOS_FILE(addts_11e, ieee80211_send_addts);
 128 DEBUGFS_QOS_FILE(addts_wmm, wmm_send_addts);
 129 DEBUGFS_QOS_FILE(delts_11e, ieee80211_send_delts);
 130 DEBUGFS_QOS_FILE(delts_wmm, wmm_send_delts);
 131
 132 static ssize_t qos_if_dls_mac(const struct ieee80211_sub_if_data *sdata,
 133                               char *buf, int buflen)
 134 {
 135         return scnprintf(buf, buflen, MAC_FMT "\n", MAC_ARG(_dls_mac));
 136 }
 137
 138 static ssize_t qos_dls_mac_read(struct file *file,
 139                                 char __user *userbuf,
 140                                 size_t count, loff_t *ppos)
 141 {
 142         return ieee80211_if_read(file->private_data,
 143                                  userbuf, count, ppos,
 144                                  qos_if_dls_mac);
 145 }
 146
 147 static ssize_t qos_dls_mac_write(struct file *file, const char __user *userbuf,
 148                                  size_t count, loff_t *ppos)
 149 {
 150         struct ieee80211_sub_if_data *sdata = file->private_data;
 151         char buf[20];
 152         size_t size;
 153         u8 m[ETH_ALEN];
 154
 155         size = min(sizeof(buf) - 1, count);
 156         buf[size] = '\0';
 157         if (copy_from_user(buf, userbuf, size))
 158                 return -EFAULT;
 159
 160         if (sscanf(buf, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
 161                    &((u8*)(m))[0], &((u8*)(m))[1], &((u8*)(m))[2],
 162                    &((u8*)(m))[3], &((u8*)(m))[4], &((u8*)(m))[5]) != ETH_ALEN){
 163                 printk(KERN_ERR "%s: sscanf input error\n", sdata->dev->name);
 164                 return -EINVAL;
 165         }
 166         memcpy(_dls_mac, m, ETH_ALEN);
 167         return count;
 168 }
 169
 170 static const struct file_operations qos_dls_mac_ops = {
 171         .read = qos_dls_mac_read,
 172         .write = qos_dls_mac_write,
 173         .open = mac80211_open_file_generic,
 174 };
 175
 176 static ssize_t qos_if_dls_op(const struct ieee80211_sub_if_data *sdata,
 177                              char *buf, int buflen)
 178 {
 179         return scnprintf(buf, buflen,
 180                          "DLS Operation: Setup = 1; Teardown = 2\n");
 181 }
 182
 183 static ssize_t qos_dls_op_read(struct file *file, char __user *userbuf,
 184                                size_t count, loff_t *ppos)
 185 {
 186         return ieee80211_if_read(file->private_data,
 187                                  userbuf, count, ppos,
 188                                  qos_if_dls_op);
 189 }
 190
 191 static ssize_t qos_dls_op_write(struct file *file, const char __user *userbuf,
 192                                  size_t count, loff_t *ppos)
 193 {
 194         struct ieee80211_sub_if_data *sdata = file->private_data;
 195         char buf[20];
 196         size_t size;
 197         unsigned int opt;
 198
 199         size = min(sizeof(buf) - 1, count);
 200         buf[size] = '\0';
 201         if (copy_from_user(buf, userbuf, size))
 202                 return -EFAULT;
 203
 204         if (sscanf(buf, "%u", &opt) != 1) {
 205                 printk(KERN_ERR "%s: sscanf input error\n", sdata->dev->name);
 206                 return -EINVAL;
 207         }
 208         switch (opt) {
 209         case 1:
 210                 ieee80211_send_dls_req(sdata->dev, &sdata->u.sta, _dls_mac, 0);
 211                 break;
 212         case 2:
 213                 ieee80211_send_dls_teardown(sdata->dev, &sdata->u.sta, _dls_mac,
 214                                             WLAN_REASON_QSTA_NOT_USE);
 215                 break;
 216         default:
 217                 printk(KERN_ERR "Unknown DLS Operation: %d\n", opt);
 218                 break;
 219         }
 220         return count;
 221 }
 222
 223 static const struct file_operations qos_dls_op_ops = {
 224         .read = qos_dls_op_read,
 225         .write = qos_dls_op_write,
 226         .open = mac80211_open_file_generic,
 227 };
 228
 229 #define DEBUGFS_TSINFO_FILE(_name, min_val, max_val)                    \
 230 static ssize_t tsinfo_ ##_name## _read(struct file *file,               \
 231                                        char __user *userbuf,            \
 232                                        size_t count, loff_t *ppos)      \
 233 {                                                                       \
 234         char buf[20];                                                   \
 235         int res = scnprintf(buf, count, "%u\n",                         \
 236                         IEEE80211_TSINFO_## _name (_tspec.ts_info));    \
 237         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
 238 }                                                                       \
 239                                                                         \
 240 static ssize_t tsinfo_ ##_name## _write(struct file *file,              \
 241                                         const char __user *userbuf,     \
 242                                         size_t count, loff_t *ppos)     \
 243 {                                                                       \
 244         char buf[20];                                                   \
 245         size_t size;                                                    \
 246         int val;                                                        \
 247                                                                         \
 248         size = min(sizeof(buf) - 1, count);                             \
 249         buf[size] = '\0';                                               \
 250         if (copy_from_user(buf, userbuf, size))                         \
 251                 return -EFAULT;                                         \
 252                                                                         \
 253         val = simple_strtoul(buf, NULL, 0);                             \
 254         if ((val < min_val) || (val > max_val)) {                       \
 255                 struct ieee80211_sub_if_data *sdata = file->private_data;\
 256                 printk(KERN_ERR "%s: set value (%u) out of range "      \
 257                        "[%u, %u]\n",sdata->dev->name,val,min_val,max_val);\
 258                 return -EINVAL;                                         \
 259         }                                                               \
 260         SET_TSINFO_ ##_name (_tspec.ts_info, val);                      \
 261         return count;                                                   \
 262 }                                                                       \
 263                                                                         \
 264 static const struct file_operations tsinfo_ ##_name## _ops = {          \
 265         .read = tsinfo_ ##_name## _read,                                \
 266         .write = tsinfo_ ##_name## _write,                              \
 267         .open = mac80211_open_file_generic,                             \
 268 };
 269
 270 #define DEBUGFS_TSINFO_ADD_TSID                                         \
 271         sdata->debugfs.sta.tsinfo.tsid =                                \
 272                 debugfs_create_file("tsid", 0444, tsinfod,              \
 273                                     sdata, &tsinfo_TSID_ops);
 274
 275 #define DEBUGFS_TSINFO_ADD_DIR                                          \
 276         sdata->debugfs.sta.tsinfo.direction =                           \
 277                 debugfs_create_file("direction", 0444, tsinfod,         \
 278                                     sdata, &tsinfo_DIR_ops);
 279
 280 #define DEBUGFS_TSINFO_ADD_UP                                           \
 281         sdata->debugfs.sta.tsinfo.up =                                  \
 282                 debugfs_create_file("up", 0444, tsinfod,                \
 283                                     sdata, &tsinfo_UP_ops);
 284
 285 #define DEBUGFS_TSINFO_DEL(name)                                        \
 286         do {                                                            \
 287                 debugfs_remove(sdata->debugfs.sta.tsinfo.name);         \
 288                 sdata->debugfs.sta.tsinfo.name = NULL;                  \
 289         } while (0)
 290
 291 DEBUGFS_TSINFO_FILE(TSID, 8, 15);
 292 DEBUGFS_TSINFO_FILE(DIR, 0, 3);
 293 DEBUGFS_TSINFO_FILE(UP, 0, 7);
 294
 295 #define DEBUGFS_TSPEC_FILE(name)                                        \
 296 static ssize_t tspec_ ##name## _read(struct file *file,                 \
 297                                       char __user *userbuf,             \
 298                                       size_t count, loff_t *ppos)       \
 299 {                                                                       \
 300         char buf[20];                                                   \
 301         int res = scnprintf(buf, count, "%u\n", _tspec.name);           \
 302         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
 303 }                                                                       \
 304                                                                         \
 305 static ssize_t tspec_ ##name## _write(struct file *file,                \
 306                                        const char __user *userbuf,      \
 307                                        size_t count, loff_t *ppos)      \
 308 {                                                                       \
 309         char buf[20];                                                   \
 310         size_t size;                                                    \
 311                                                                         \
 312         size = min(sizeof(buf) - 1, count);                             \
 313         buf[size] = '\0';                                               \
 314         if (copy_from_user(buf, userbuf, size))                         \
 315                 return -EFAULT;                                         \
 316                                                                         \
 317         _tspec.name = simple_strtoul(buf, NULL, 0);                     \
 318         return count;                                                   \
 319 }                                                                       \
 320                                                                         \
 321 static const struct file_operations tspec_ ##name## _ops = {            \
 322         .read = tspec_ ##name## _read,                                  \
 323         .write = tspec_ ##name## _write,                                \
 324         .open = mac80211_open_file_generic,                             \
 325 };
 326
 327 #define DEBUGFS_TSPEC_ADD(name)                                         \
 328         sdata->debugfs.sta.tspec.name = debugfs_create_file(#name,      \
 329                 0444, tspecd, sdata, &tspec_ ##name## _ops);
 330
 331 #define DEBUGFS_TSPEC_DEL(name)                                         \
 332         do {                                                            \
 333                 debugfs_remove(sdata->debugfs.sta.tspec.name);          \
 334                 sdata->debugfs.sta.tspec.name = NULL;                   \
 335         } while (0)
 336
 337 DEBUGFS_TSPEC_FILE(nominal_msdu_size);
 338 DEBUGFS_TSPEC_FILE(max_msdu_size);
 339 DEBUGFS_TSPEC_FILE(min_service_interval);
 340 DEBUGFS_TSPEC_FILE(max_service_interval);
 341 DEBUGFS_TSPEC_FILE(inactivity_interval);
 342 DEBUGFS_TSPEC_FILE(suspension_interval);
 343 DEBUGFS_TSPEC_FILE(service_start_time);
 344 DEBUGFS_TSPEC_FILE(min_data_rate);
 345 DEBUGFS_TSPEC_FILE(mean_data_rate);
 346 DEBUGFS_TSPEC_FILE(peak_data_rate);
 347 DEBUGFS_TSPEC_FILE(burst_size);
 348 DEBUGFS_TSPEC_FILE(delay_bound);
 349 DEBUGFS_TSPEC_FILE(min_phy_rate);
 350 DEBUGFS_TSPEC_FILE(surplus_band_allow);
 351 DEBUGFS_TSPEC_FILE(medium_time);
 352
 353
 354 /* common attributes */
 355 IEEE80211_IF_FILE(channel_use, channel_use, DEC);
 356 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
 357 IEEE80211_IF_FILE(eapol, eapol, DEC);
 358 IEEE80211_IF_FILE(ieee8021_x, ieee802_1x, DEC);
 359
 360 /* STA/IBSS attributes */
 361 IEEE80211_IF_FILE(state, u.sta.state, DEC);
 362 IEEE80211_IF_FILE(bssid, u.sta.bssid, MAC);
 363 IEEE80211_IF_FILE(prev_bssid, u.sta.prev_bssid, MAC);
 364 IEEE80211_IF_FILE(ssid_len, u.sta.ssid_len, SIZE);
 365 IEEE80211_IF_FILE(aid, u.sta.aid, DEC);
 366 IEEE80211_IF_FILE(ap_capab, u.sta.ap_capab, HEX);
 367 IEEE80211_IF_FILE(capab, u.sta.capab, HEX);
 368 IEEE80211_IF_FILE(extra_ie_len, u.sta.extra_ie_len, SIZE);
 369 IEEE80211_IF_FILE(auth_tries, u.sta.auth_tries, DEC);
 370 IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC);
 371 IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX);
 372 IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC);
 373 IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC);
 374
 375 static ssize_t ieee80211_if_fmt_flags(
 376         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 377 {
 378         return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n",
 379                          sdata->u.sta.ssid_set ? "SSID\n" : "",
 380                          sdata->u.sta.bssid_set ? "BSSID\n" : "",
 381                          sdata->u.sta.prev_bssid_set ? "prev BSSID\n" : "",
 382                          sdata->u.sta.authenticated ? "AUTH\n" : "",
 383                          sdata->u.sta.associated ? "ASSOC\n" : "",
 384                          sdata->u.sta.probereq_poll ? "PROBEREQ POLL\n" : "",
 385                          sdata->u.sta.use_protection ? "CTS prot\n" : "");
 386 }
 387 __IEEE80211_IF_FILE(flags);
 388
 389 /* AP attributes */
 390 IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
 391 IEEE80211_IF_FILE(dtim_period, u.ap.dtim_period, DEC);
 392 IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
 393 IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC);
 394 IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC);
 395 IEEE80211_IF_FILE(max_ratectrl_rateidx, u.ap.max_ratectrl_rateidx, DEC);
 396
 397 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 398         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 399 {
 400         return scnprintf(buf, buflen, "%u\n",
 401                          skb_queue_len(&sdata->u.ap.ps_bc_buf));
 402 }
 403 __IEEE80211_IF_FILE(num_buffered_multicast);
 404
 405 static ssize_t ieee80211_if_fmt_beacon_head_len(
 406         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 407 {
 408         if (sdata->u.ap.beacon_head)
 409                 return scnprintf(buf, buflen, "%d\n",
 410                                  sdata->u.ap.beacon_head_len);
 411         return scnprintf(buf, buflen, "\n");
 412 }
 413 __IEEE80211_IF_FILE(beacon_head_len);
 414
 415 static ssize_t ieee80211_if_fmt_beacon_tail_len(
 416         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 417 {
 418         if (sdata->u.ap.beacon_tail)
 419                 return scnprintf(buf, buflen, "%d\n",
 420                                  sdata->u.ap.beacon_tail_len);
 421         return scnprintf(buf, buflen, "\n");
 422 }
 423 __IEEE80211_IF_FILE(beacon_tail_len);
 424
 425 /* WDS attributes */
 426 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 427
 428 /* VLAN attributes */
 429 IEEE80211_IF_FILE(vlan_id, u.vlan.id, DEC);
 430
 431 /* MONITOR attributes */
 432 static ssize_t ieee80211_if_fmt_mode(
 433         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 434 {
 435         struct ieee80211_local *local = sdata->local;
 436
 437         return scnprintf(buf, buflen, "%s\n",
 438                          ((local->hw.flags & IEEE80211_HW_MONITOR_DURING_OPER) ||
 439                           local->open_count == local->monitors) ?
 440                          "hard" : "soft");
 441 }
 442 __IEEE80211_IF_FILE(mode);
 443
 444
 445 #define DEBUGFS_ADD(name, type)\
 446         sdata->debugfs.type.name = debugfs_create_file(#name, 0444,\
 447                 sdata->debugfsdir, sdata, &name##_ops);
 448
 449 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 450 {
 451         struct dentry *qosd;
 452         struct dentry *tsinfod;
 453         struct dentry *tspecd;
 454
 455         DEBUGFS_ADD(channel_use, sta);
 456         DEBUGFS_ADD(drop_unencrypted, sta);
 457         DEBUGFS_ADD(eapol, sta);
 458         DEBUGFS_ADD(ieee8021_x, sta);
 459         DEBUGFS_ADD(state, sta);
 460         DEBUGFS_ADD(bssid, sta);
 461         DEBUGFS_ADD(prev_bssid, sta);
 462         DEBUGFS_ADD(ssid_len, sta);
 463         DEBUGFS_ADD(aid, sta);
 464         DEBUGFS_ADD(ap_capab, sta);
 465         DEBUGFS_ADD(capab, sta);
 466         DEBUGFS_ADD(extra_ie_len, sta);
 467         DEBUGFS_ADD(auth_tries, sta);
 468         DEBUGFS_ADD(assoc_tries, sta);
 469         DEBUGFS_ADD(auth_algs, sta);
 470         DEBUGFS_ADD(auth_alg, sta);
 471         DEBUGFS_ADD(auth_transaction, sta);
 472         DEBUGFS_ADD(flags, sta);
 473
 474         qosd = debugfs_create_dir("qos", sdata->debugfsdir);
 475         sdata->debugfs.sta.qos_dir = qosd;
 476
 477         DEBUGFS_QOS_ADD(addts_11e);
 478         DEBUGFS_QOS_ADD(addts_wmm);
 479         DEBUGFS_QOS_ADD(delts_11e);
 480         DEBUGFS_QOS_ADD(delts_wmm);
 481         DEBUGFS_QOS_ADD(dls_mac);
 482         DEBUGFS_QOS_ADD(dls_op);
 483
 484         tsinfod = debugfs_create_dir("ts_info", qosd);
 485         sdata->debugfs.sta.tsinfo_dir = tsinfod;
 486
 487         DEBUGFS_TSINFO_ADD_TSID;
 488         DEBUGFS_TSINFO_ADD_DIR;
 489         DEBUGFS_TSINFO_ADD_UP;
 490
 491         tspecd = debugfs_create_dir("tspec", qosd);
 492         sdata->debugfs.sta.tspec_dir = tspecd;
 493
 494         DEBUGFS_TSPEC_ADD(nominal_msdu_size);
 495         DEBUGFS_TSPEC_ADD(max_msdu_size);
 496         DEBUGFS_TSPEC_ADD(min_service_interval);
 497         DEBUGFS_TSPEC_ADD(max_service_interval);
 498         DEBUGFS_TSPEC_ADD(inactivity_interval);
 499         DEBUGFS_TSPEC_ADD(suspension_interval);
 500         DEBUGFS_TSPEC_ADD(service_start_time);
 501         DEBUGFS_TSPEC_ADD(min_data_rate);
 502         DEBUGFS_TSPEC_ADD(mean_data_rate);
 503         DEBUGFS_TSPEC_ADD(peak_data_rate);
 504         DEBUGFS_TSPEC_ADD(burst_size);
 505         DEBUGFS_TSPEC_ADD(delay_bound);
 506         DEBUGFS_TSPEC_ADD(min_phy_rate);
 507         DEBUGFS_TSPEC_ADD(surplus_band_allow);
 508         DEBUGFS_TSPEC_ADD(medium_time);
 509 }
 510
 511 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 512 {
 513         DEBUGFS_ADD(channel_use, ap);
 514         DEBUGFS_ADD(drop_unencrypted, ap);
 515         DEBUGFS_ADD(eapol, ap);
 516         DEBUGFS_ADD(ieee8021_x, ap);
 517         DEBUGFS_ADD(num_sta_ps, ap);
 518         DEBUGFS_ADD(dtim_period, ap);
 519         DEBUGFS_ADD(dtim_count, ap);
 520         DEBUGFS_ADD(num_beacons, ap);
 521         DEBUGFS_ADD(force_unicast_rateidx, ap);
 522         DEBUGFS_ADD(max_ratectrl_rateidx, ap);
 523         DEBUGFS_ADD(num_buffered_multicast, ap);
 524         DEBUGFS_ADD(beacon_head_len, ap);
 525         DEBUGFS_ADD(beacon_tail_len, ap);
 526 }
 527
 528 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 529 {
 530         DEBUGFS_ADD(channel_use, wds);
 531         DEBUGFS_ADD(drop_unencrypted, wds);
 532         DEBUGFS_ADD(eapol, wds);
 533         DEBUGFS_ADD(ieee8021_x, wds);
 534         DEBUGFS_ADD(peer, wds);
 535 }
 536
 537 static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
 538 {
 539         DEBUGFS_ADD(channel_use, vlan);
 540         DEBUGFS_ADD(drop_unencrypted, vlan);
 541         DEBUGFS_ADD(eapol, vlan);
 542         DEBUGFS_ADD(ieee8021_x, vlan);
 543         DEBUGFS_ADD(vlan_id, vlan);
 544 }
 545
 546 static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
 547 {
 548         DEBUGFS_ADD(mode, monitor);
 549 }
 550
 551 static void add_files(struct ieee80211_sub_if_data *sdata)
 552 {
 553         if (!sdata->debugfsdir)
 554                 return;
 555
 556         switch (sdata->type) {
 557         case IEEE80211_IF_TYPE_STA:
 558         case IEEE80211_IF_TYPE_IBSS:
 559                 add_sta_files(sdata);
 560                 break;
 561         case IEEE80211_IF_TYPE_AP:
 562                 add_ap_files(sdata);
 563                 break;
 564         case IEEE80211_IF_TYPE_WDS:
 565                 add_wds_files(sdata);
 566                 break;
 567         case IEEE80211_IF_TYPE_MNTR:
 568                 add_monitor_files(sdata);
 569                 break;
 570         case IEEE80211_IF_TYPE_VLAN:
 571                 add_vlan_files(sdata);
 572                 break;
 573         default:
 574                 break;
 575         }
 576 }
 577
 578 #define DEBUGFS_DEL(name, type)                                 \
 579         do {                                                    \
 580                 debugfs_remove(sdata->debugfs.type.name);       \
 581                 sdata->debugfs.type.name = NULL;                \
 582         } while (0)
 583
 584 static void del_sta_files(struct ieee80211_sub_if_data *sdata)
 585 {
 586         DEBUGFS_DEL(channel_use, sta);
 587         DEBUGFS_DEL(drop_unencrypted, sta);
 588         DEBUGFS_DEL(eapol, sta);
 589         DEBUGFS_DEL(ieee8021_x, sta);
 590         DEBUGFS_DEL(state, sta);
 591         DEBUGFS_DEL(bssid, sta);
 592         DEBUGFS_DEL(prev_bssid, sta);
 593         DEBUGFS_DEL(ssid_len, sta);
 594         DEBUGFS_DEL(aid, sta);
 595         DEBUGFS_DEL(ap_capab, sta);
 596         DEBUGFS_DEL(capab, sta);
 597         DEBUGFS_DEL(extra_ie_len, sta);
 598         DEBUGFS_DEL(auth_tries, sta);
 599         DEBUGFS_DEL(assoc_tries, sta);
 600         DEBUGFS_DEL(auth_algs, sta);
 601         DEBUGFS_DEL(auth_alg, sta);
 602         DEBUGFS_DEL(auth_transaction, sta);
 603         DEBUGFS_DEL(flags, sta);
 604
 605         DEBUGFS_TSINFO_DEL(tsid);
 606         DEBUGFS_TSINFO_DEL(direction);
 607         DEBUGFS_TSINFO_DEL(up);
 608
 609         DEBUGFS_TSPEC_DEL(nominal_msdu_size);
 610         DEBUGFS_TSPEC_DEL(max_msdu_size);
 611         DEBUGFS_TSPEC_DEL(min_service_interval);
 612         DEBUGFS_TSPEC_DEL(max_service_interval);
 613         DEBUGFS_TSPEC_DEL(inactivity_interval);
 614         DEBUGFS_TSPEC_DEL(suspension_interval);
 615         DEBUGFS_TSPEC_DEL(service_start_time);
 616         DEBUGFS_TSPEC_DEL(min_data_rate);
 617         DEBUGFS_TSPEC_DEL(mean_data_rate);
 618         DEBUGFS_TSPEC_DEL(peak_data_rate);
 619         DEBUGFS_TSPEC_DEL(burst_size);
 620         DEBUGFS_TSPEC_DEL(delay_bound);
 621         DEBUGFS_TSPEC_DEL(min_phy_rate);
 622         DEBUGFS_TSPEC_DEL(surplus_band_allow);
 623         DEBUGFS_TSPEC_DEL(medium_time);
 624
 625         DEBUGFS_QOS_DEL(addts_11e);
 626         DEBUGFS_QOS_DEL(addts_wmm);
 627         DEBUGFS_QOS_DEL(delts_11e);
 628         DEBUGFS_QOS_DEL(delts_wmm);
 629         DEBUGFS_QOS_DEL(dls_mac);
 630         DEBUGFS_QOS_DEL(dls_op);
 631
 632         debugfs_remove(sdata->debugfs.sta.tspec_dir);
 633         sdata->debugfs.sta.tspec_dir = NULL;
 634         debugfs_remove(sdata->debugfs.sta.tsinfo_dir);
 635         sdata->debugfs.sta.tsinfo_dir = NULL;
 636         debugfs_remove(sdata->debugfs.sta.qos_dir);
 637         sdata->debugfs.sta.qos_dir = NULL;
 638 }
 639
 640 static void del_ap_files(struct ieee80211_sub_if_data *sdata)
 641 {
 642         DEBUGFS_DEL(channel_use, ap);
 643         DEBUGFS_DEL(drop_unencrypted, ap);
 644         DEBUGFS_DEL(eapol, ap);
 645         DEBUGFS_DEL(ieee8021_x, ap);
 646         DEBUGFS_DEL(num_sta_ps, ap);
 647         DEBUGFS_DEL(dtim_period, ap);
 648         DEBUGFS_DEL(dtim_count, ap);
 649         DEBUGFS_DEL(num_beacons, ap);
 650         DEBUGFS_DEL(force_unicast_rateidx, ap);
 651         DEBUGFS_DEL(max_ratectrl_rateidx, ap);
 652         DEBUGFS_DEL(num_buffered_multicast, ap);
 653         DEBUGFS_DEL(beacon_head_len, ap);
 654         DEBUGFS_DEL(beacon_tail_len, ap);
 655 }
 656
 657 static void del_wds_files(struct ieee80211_sub_if_data *sdata)
 658 {
 659         DEBUGFS_DEL(channel_use, wds);
 660         DEBUGFS_DEL(drop_unencrypted, wds);
 661         DEBUGFS_DEL(eapol, wds);
 662         DEBUGFS_DEL(ieee8021_x, wds);
 663         DEBUGFS_DEL(peer, wds);
 664 }
 665
 666 static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
 667 {
 668         DEBUGFS_DEL(channel_use, vlan);
 669         DEBUGFS_DEL(drop_unencrypted, vlan);
 670         DEBUGFS_DEL(eapol, vlan);
 671         DEBUGFS_DEL(ieee8021_x, vlan);
 672         DEBUGFS_DEL(vlan_id, vlan);
 673 }
 674
 675 static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
 676 {
 677         DEBUGFS_DEL(mode, monitor);
 678 }
 679
 680 static void del_files(struct ieee80211_sub_if_data *sdata, int type)
 681 {
 682         if (!sdata->debugfsdir)
 683                 return;
 684
 685         switch (type) {
 686         case IEEE80211_IF_TYPE_STA:
 687         case IEEE80211_IF_TYPE_IBSS:
 688                 del_sta_files(sdata);
 689                 break;
 690         case IEEE80211_IF_TYPE_AP:
 691                 del_ap_files(sdata);
 692                 break;
 693         case IEEE80211_IF_TYPE_WDS:
 694                 del_wds_files(sdata);
 695                 break;
 696         case IEEE80211_IF_TYPE_MNTR:
 697                 del_monitor_files(sdata);
 698                 break;
 699         case IEEE80211_IF_TYPE_VLAN:
 700                 del_vlan_files(sdata);
 701                 break;
 702         default:
 703                 break;
 704         }
 705 }
 706
 707 static int notif_registered;
 708
 709 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 710 {
 711         char buf[10+IFNAMSIZ];
 712
 713         if (!notif_registered)
 714                 return;
 715
 716         sprintf(buf, "netdev:%s", sdata->dev->name);
 717         sdata->debugfsdir = debugfs_create_dir(buf,
 718                 sdata->local->hw.wiphy->debugfsdir);
 719 }
 720
 721 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 722 {
 723         del_files(sdata, sdata->type);
 724         debugfs_remove(sdata->debugfsdir);
 725         sdata->debugfsdir = NULL;
 726 }
 727
 728 void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
 729                                       int oldtype)
 730 {
 731         del_files(sdata, oldtype);
 732         add_files(sdata);
 733 }
 734
 735 static int netdev_notify(struct notifier_block * nb,
 736                          unsigned long state,
 737                          void *ndev)
 738 {
 739         struct net_device *dev = ndev;
 740         char buf[10+IFNAMSIZ];
 741
 742         if (state != NETDEV_CHANGENAME)
 743                 return 0;
 744
 745         if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
 746                 return 0;
 747
 748         if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
 749                 return 0;
 750
 751         /* TODO
 752         sprintf(buf, "netdev:%s", dev->name);
 753         debugfs_rename(IEEE80211_DEV_TO_SUB_IF(dev)->debugfsdir, buf);
 754         */
 755
 756         return 0;
 757 }
 758
 759 static struct notifier_block mac80211_debugfs_netdev_notifier = {
 760         .notifier_call = netdev_notify,
 761 };
 762
 763 void ieee80211_debugfs_netdev_init(void)
 764 {
 765         int err;
 766
 767         err = register_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
 768         if (err) {
 769                 printk(KERN_ERR
 770                        "mac80211: failed to install netdev notifier,"
 771                        " disabling per-netdev debugfs!\n");
 772         } else
 773                 notif_registered = 1;
 774 }
 775
 776 void ieee80211_debugfs_netdev_exit(void)
 777 {
 778         unregister_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
 779         notif_registered = 0;
 780 }