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 #define DEBUGFS_QOS_FILE(name, f)                                       \
  91 static ssize_t qos_ ##name## _write(struct file *file,                  \
  92                                     const char __user *userbuf,         \
  93                                     size_t count, loff_t *ppos)         \
  94 {                                                                       \
  95         struct ieee80211_sub_if_data *sdata = file->private_data;       \
  96                                                                         \
  97         f(sdata->dev, &sdata->u.sta, &sdata->u.sta.tspec);              \
  98                                                                         \
  99         return count;                                                   \
 100 }                                                                       \
 101                                                                         \
 102 static const struct file_operations qos_ ##name## _ops = {              \
 103         .write = qos_ ##name## _write,                                  \
 104         .open = mac80211_open_file_generic,                             \
 105 };
 106
 107 #define DEBUGFS_QOS_ADD(name)                                           \
 108         sdata->debugfs.sta.qos.name = debugfs_create_file(#name, 0444, qosd,\
 109                 sdata, &qos_ ##name## _ops);
 110
 111 #define DEBUGFS_QOS_DEL(name)                                           \
 112         do {                                                            \
 113                 debugfs_remove(sdata->debugfs.sta.qos.name);            \
 114                 sdata->debugfs.sta.qos.name = NULL;                     \
 115         } while (0)
 116
 117 DEBUGFS_QOS_FILE(addts_11e, ieee80211_send_addts);
 118 DEBUGFS_QOS_FILE(addts_wmm, wmm_send_addts);
 119 DEBUGFS_QOS_FILE(delts_11e, ieee80211_send_delts);
 120 DEBUGFS_QOS_FILE(delts_wmm, wmm_send_delts);
 121
 122 static ssize_t qos_if_dls_mac(const struct ieee80211_sub_if_data *sdata,
 123                               char *buf, int buflen)
 124 {
 125         return scnprintf(buf, buflen, MAC_FMT "\n",
 126                          MAC_ARG(sdata->u.sta.dls_mac));
 127 }
 128
 129 static ssize_t qos_dls_mac_read(struct file *file,
 130                                 char __user *userbuf,
 131                                 size_t count, loff_t *ppos)
 132 {
 133         return ieee80211_if_read(file->private_data,
 134                                  userbuf, count, ppos,
 135                                  qos_if_dls_mac);
 136 }
 137
 138 static ssize_t qos_dls_mac_write(struct file *file, const char __user *userbuf,
 139                                  size_t count, loff_t *ppos)
 140 {
 141         struct ieee80211_sub_if_data *sdata = file->private_data;
 142         char buf[20];
 143         size_t size;
 144         u8 m[ETH_ALEN];
 145
 146         size = min(sizeof(buf) - 1, count);
 147         buf[size] = '\0';
 148         if (copy_from_user(buf, userbuf, size))
 149                 return -EFAULT;
 150
 151         if (sscanf(buf, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
 152                    &((u8*)(m))[0], &((u8*)(m))[1], &((u8*)(m))[2],
 153                    &((u8*)(m))[3], &((u8*)(m))[4], &((u8*)(m))[5]) != ETH_ALEN){
 154                 printk(KERN_ERR "%s: sscanf input error\n", sdata->dev->name);
 155                 return -EINVAL;
 156         }
 157         memcpy(sdata->u.sta.dls_mac, m, ETH_ALEN);
 158         return count;
 159 }
 160
 161 static const struct file_operations qos_dls_mac_ops = {
 162         .read = qos_dls_mac_read,
 163         .write = qos_dls_mac_write,
 164         .open = mac80211_open_file_generic,
 165 };
 166
 167 static ssize_t qos_if_dls_op(const struct ieee80211_sub_if_data *sdata,
 168                              char *buf, int buflen)
 169 {
 170         return scnprintf(buf, buflen,
 171                          "DLS Operation: Setup = 1; Teardown = 2\n");
 172 }
 173
 174 static ssize_t qos_dls_op_read(struct file *file, char __user *userbuf,
 175                                size_t count, loff_t *ppos)
 176 {
 177         return ieee80211_if_read(file->private_data,
 178                                  userbuf, count, ppos,
 179                                  qos_if_dls_op);
 180 }
 181
 182 static ssize_t qos_dls_op_write(struct file *file, const char __user *userbuf,
 183                                  size_t count, loff_t *ppos)
 184 {
 185         struct ieee80211_sub_if_data *sdata = file->private_data;
 186         char buf[20];
 187         size_t size;
 188         unsigned int opt;
 189
 190         size = min(sizeof(buf) - 1, count);
 191         buf[size] = '\0';
 192         if (copy_from_user(buf, userbuf, size))
 193                 return -EFAULT;
 194
 195         if (sscanf(buf, "%u", &opt) != 1) {
 196                 printk(KERN_ERR "%s: sscanf input error\n", sdata->dev->name);
 197                 return -EINVAL;
 198         }
 199         switch (opt) {
 200         case 1:
 201                 ieee80211_send_dls_req(sdata->dev, &sdata->u.sta,
 202                                        sdata->u.sta.dls_mac, 0);
 203                 break;
 204         case 2:
 205                 ieee80211_send_dls_teardown(sdata->dev, &sdata->u.sta,
 206                                             sdata->u.sta.dls_mac,
 207                                             WLAN_REASON_QSTA_NOT_USE);
 208                 break;
 209         default:
 210                 printk(KERN_ERR "Unknown DLS Operation: %d\n", opt);
 211                 break;
 212         }
 213         return count;
 214 }
 215
 216 static const struct file_operations qos_dls_op_ops = {
 217         .read = qos_dls_op_read,
 218         .write = qos_dls_op_write,
 219         .open = mac80211_open_file_generic,
 220 };
 221
 222 #define DEBUGFS_TSINFO_FILE(_name, min_val, max_val)                    \
 223 static ssize_t tsinfo_ ##_name## _read(struct file *file,               \
 224                                        char __user *userbuf,            \
 225                                        size_t count, loff_t *ppos)      \
 226 {                                                                       \
 227         char buf[20];                                                   \
 228         struct ieee80211_sub_if_data *sdata = file->private_data;       \
 229         int res = scnprintf(buf, count, "%u\n",                         \
 230                 IEEE80211_TSINFO_## _name (sdata->u.sta.tspec.ts_info));\
 231         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
 232 }                                                                       \
 233                                                                         \
 234 static ssize_t tsinfo_ ##_name## _write(struct file *file,              \
 235                                         const char __user *userbuf,     \
 236                                         size_t count, loff_t *ppos)     \
 237 {                                                                       \
 238         char buf[20];                                                   \
 239         size_t size;                                                    \
 240         int val;                                                        \
 241         struct ieee80211_sub_if_data *sdata = file->private_data;       \
 242                                                                         \
 243         size = min(sizeof(buf) - 1, count);                             \
 244         buf[size] = '\0';                                               \
 245         if (copy_from_user(buf, userbuf, size))                         \
 246                 return -EFAULT;                                         \
 247                                                                         \
 248         val = simple_strtoul(buf, NULL, 0);                             \
 249         if ((val < min_val) || (val > max_val)) {                       \
 250                 printk(KERN_ERR "%s: set value (%u) out of range "      \
 251                        "[%u, %u]\n",sdata->dev->name,val,min_val,max_val);\
 252                 return -EINVAL;                                         \
 253         }                                                               \
 254         IEEE80211_SET_TSINFO_ ##_name (sdata->u.sta.tspec.ts_info, val);\
 255         return count;                                                   \
 256 }                                                                       \
 257                                                                         \
 258 static const struct file_operations tsinfo_ ##_name## _ops = {          \
 259         .read = tsinfo_ ##_name## _read,                                \
 260         .write = tsinfo_ ##_name## _write,                              \
 261         .open = mac80211_open_file_generic,                             \
 262 };
 263
 264 #define DEBUGFS_TSINFO_ADD_TSID                                         \
 265         sdata->debugfs.sta.tsinfo.tsid =                                \
 266                 debugfs_create_file("tsid", 0444, tsinfod,              \
 267                                     sdata, &tsinfo_TSID_ops);
 268
 269 #define DEBUGFS_TSINFO_ADD_DIR                                          \
 270         sdata->debugfs.sta.tsinfo.direction =                           \
 271                 debugfs_create_file("direction", 0444, tsinfod,         \
 272                                     sdata, &tsinfo_DIR_ops);
 273
 274 #define DEBUGFS_TSINFO_ADD_UP                                           \
 275         sdata->debugfs.sta.tsinfo.up =                                  \
 276                 debugfs_create_file("up", 0444, tsinfod,                \
 277                                     sdata, &tsinfo_UP_ops);
 278
 279 #define DEBUGFS_TSINFO_DEL(name)                                        \
 280         do {                                                            \
 281                 debugfs_remove(sdata->debugfs.sta.tsinfo.name);         \
 282                 sdata->debugfs.sta.tsinfo.name = NULL;                  \
 283         } while (0)
 284
 285 DEBUGFS_TSINFO_FILE(TSID, 8, 15);
 286 DEBUGFS_TSINFO_FILE(DIR, 0, 3);
 287 DEBUGFS_TSINFO_FILE(UP, 0, 7);
 288
 289 #define DEBUGFS_TSPEC_FILE(name, format_string, endian_f1, endian_f2)   \
 290 static ssize_t tspec_ ##name## _read(struct file *file,                 \
 291                                       char __user *userbuf,             \
 292                                       size_t count, loff_t *ppos)       \
 293 {                                                                       \
 294         char buf[20];                                                   \
 295         struct ieee80211_sub_if_data *sdata = file->private_data;       \
 296         int res = scnprintf(buf, count, format_string "\n",             \
 297                             endian_f1(sdata->u.sta.tspec.name));        \
 298         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
 299 }                                                                       \
 300                                                                         \
 301 static ssize_t tspec_ ##name## _write(struct file *file,                \
 302                                        const char __user *userbuf,      \
 303                                        size_t count, loff_t *ppos)      \
 304 {                                                                       \
 305         char buf[20];                                                   \
 306         size_t size;                                                    \
 307         struct ieee80211_sub_if_data *sdata = file->private_data;       \
 308                                                                         \
 309         size = min(sizeof(buf) - 1, count);                             \
 310         buf[size] = '\0';                                               \
 311         if (copy_from_user(buf, userbuf, size))                         \
 312                 return -EFAULT;                                         \
 313                                                                         \
 314         sdata->u.sta.tspec.name = endian_f2(simple_strtoul(buf, NULL, 0));\
 315         return count;                                                   \
 316 }                                                                       \
 317                                                                         \
 318 static const struct file_operations tspec_ ##name## _ops = {            \
 319         .read = tspec_ ##name## _read,                                  \
 320         .write = tspec_ ##name## _write,                                \
 321         .open = mac80211_open_file_generic,                             \
 322 };
 323
 324 #define DEBUGFS_TSPEC_ADD(name)                                         \
 325         sdata->debugfs.sta.tspec.name = debugfs_create_file(#name,      \
 326                 0444, tspecd, sdata, &tspec_ ##name## _ops);
 327
 328 #define DEBUGFS_TSPEC_DEL(name)                                         \
 329         do {                                                            \
 330                 debugfs_remove(sdata->debugfs.sta.tspec.name);          \
 331                 sdata->debugfs.sta.tspec.name = NULL;                   \
 332         } while (0)
 333
 334 DEBUGFS_TSPEC_FILE(nominal_msdu_size, "%hu", le16_to_cpu, cpu_to_le16);
 335 DEBUGFS_TSPEC_FILE(max_msdu_size, "%hu", le16_to_cpu, cpu_to_le16);
 336 DEBUGFS_TSPEC_FILE(min_service_interval, "%u", le32_to_cpu, cpu_to_le32);
 337 DEBUGFS_TSPEC_FILE(max_service_interval, "%u", le32_to_cpu, cpu_to_le32);
 338 DEBUGFS_TSPEC_FILE(inactivity_interval, "%u", le32_to_cpu, cpu_to_le32);
 339 DEBUGFS_TSPEC_FILE(suspension_interval, "%u", le32_to_cpu, cpu_to_le32);
 340 DEBUGFS_TSPEC_FILE(service_start_time, "%u", le32_to_cpu, cpu_to_le32);
 341 DEBUGFS_TSPEC_FILE(min_data_rate, "%u", le32_to_cpu, cpu_to_le32);
 342 DEBUGFS_TSPEC_FILE(mean_data_rate, "%u", le32_to_cpu, cpu_to_le32);
 343 DEBUGFS_TSPEC_FILE(peak_data_rate, "%u", le32_to_cpu, cpu_to_le32);
 344 DEBUGFS_TSPEC_FILE(burst_size, "%u", le32_to_cpu, cpu_to_le32);
 345 DEBUGFS_TSPEC_FILE(delay_bound, "%u", le32_to_cpu, cpu_to_le32);
 346 DEBUGFS_TSPEC_FILE(min_phy_rate, "%u", le32_to_cpu, cpu_to_le32);
 347 DEBUGFS_TSPEC_FILE(surplus_band_allow, "%hu", le16_to_cpu, cpu_to_le16);
 348 DEBUGFS_TSPEC_FILE(medium_time, "%hu", le16_to_cpu, cpu_to_le16);
 349
 350
 351 /* common attributes */
 352 IEEE80211_IF_FILE(channel_use, channel_use, DEC);
 353 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
 354 IEEE80211_IF_FILE(eapol, eapol, DEC);
 355 IEEE80211_IF_FILE(ieee8021_x, ieee802_1x, DEC);
 356
 357 /* STA/IBSS attributes */
 358 IEEE80211_IF_FILE(state, u.sta.state, DEC);
 359 IEEE80211_IF_FILE(bssid, u.sta.bssid, MAC);
 360 IEEE80211_IF_FILE(prev_bssid, u.sta.prev_bssid, MAC);
 361 IEEE80211_IF_FILE(ssid_len, u.sta.ssid_len, SIZE);
 362 IEEE80211_IF_FILE(aid, u.sta.aid, DEC);
 363 IEEE80211_IF_FILE(ap_capab, u.sta.ap_capab, HEX);
 364 IEEE80211_IF_FILE(capab, u.sta.capab, HEX);
 365 IEEE80211_IF_FILE(extra_ie_len, u.sta.extra_ie_len, SIZE);
 366 IEEE80211_IF_FILE(auth_tries, u.sta.auth_tries, DEC);
 367 IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC);
 368 IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX);
 369 IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC);
 370 IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC);
 371
 372 static ssize_t ieee80211_if_fmt_flags(
 373         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 374 {
 375         return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n",
 376                          sdata->u.sta.ssid_set ? "SSID\n" : "",
 377                          sdata->u.sta.bssid_set ? "BSSID\n" : "",
 378                          sdata->u.sta.prev_bssid_set ? "prev BSSID\n" : "",
 379                          sdata->u.sta.authenticated ? "AUTH\n" : "",
 380                          sdata->u.sta.associated ? "ASSOC\n" : "",
 381                          sdata->u.sta.probereq_poll ? "PROBEREQ POLL\n" : "",
 382                          sdata->u.sta.use_protection ? "CTS prot\n" : "");
 383 }
 384 __IEEE80211_IF_FILE(flags);
 385
 386 /* AP attributes */
 387 IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
 388 IEEE80211_IF_FILE(dtim_period, u.ap.dtim_period, DEC);
 389 IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
 390 IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC);
 391 IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC);
 392 IEEE80211_IF_FILE(max_ratectrl_rateidx, u.ap.max_ratectrl_rateidx, DEC);
 393
 394 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 395         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 396 {
 397         return scnprintf(buf, buflen, "%u\n",
 398                          skb_queue_len(&sdata->u.ap.ps_bc_buf));
 399 }
 400 __IEEE80211_IF_FILE(num_buffered_multicast);
 401
 402 static ssize_t ieee80211_if_fmt_beacon_head_len(
 403         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 404 {
 405         if (sdata->u.ap.beacon_head)
 406                 return scnprintf(buf, buflen, "%d\n",
 407                                  sdata->u.ap.beacon_head_len);
 408         return scnprintf(buf, buflen, "\n");
 409 }
 410 __IEEE80211_IF_FILE(beacon_head_len);
 411
 412 static ssize_t ieee80211_if_fmt_beacon_tail_len(
 413         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 414 {
 415         if (sdata->u.ap.beacon_tail)
 416                 return scnprintf(buf, buflen, "%d\n",
 417                                  sdata->u.ap.beacon_tail_len);
 418         return scnprintf(buf, buflen, "\n");
 419 }
 420 __IEEE80211_IF_FILE(beacon_tail_len);
 421
 422 /* WDS attributes */
 423 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 424
 425 /* VLAN attributes */
 426 IEEE80211_IF_FILE(vlan_id, u.vlan.id, DEC);
 427
 428 /* MONITOR attributes */
 429 static ssize_t ieee80211_if_fmt_mode(
 430         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 431 {
 432         struct ieee80211_local *local = sdata->local;
 433
 434         return scnprintf(buf, buflen, "%s\n",
 435                          ((local->hw.flags & IEEE80211_HW_MONITOR_DURING_OPER) ||
 436                           local->open_count == local->monitors) ?
 437                          "hard" : "soft");
 438 }
 439 __IEEE80211_IF_FILE(mode);
 440
 441
 442 #define DEBUGFS_ADD(name, type)\
 443         sdata->debugfs.type.name = debugfs_create_file(#name, 0444,\
 444                 sdata->debugfsdir, sdata, &name##_ops);
 445
 446 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 447 {
 448         struct dentry *qosd;
 449         struct dentry *tsinfod;
 450         struct dentry *tspecd;
 451
 452         DEBUGFS_ADD(channel_use, sta);
 453         DEBUGFS_ADD(drop_unencrypted, sta);
 454         DEBUGFS_ADD(eapol, sta);
 455         DEBUGFS_ADD(ieee8021_x, sta);
 456         DEBUGFS_ADD(state, sta);
 457         DEBUGFS_ADD(bssid, sta);
 458         DEBUGFS_ADD(prev_bssid, sta);
 459         DEBUGFS_ADD(ssid_len, sta);
 460         DEBUGFS_ADD(aid, sta);
 461         DEBUGFS_ADD(ap_capab, sta);
 462         DEBUGFS_ADD(capab, sta);
 463         DEBUGFS_ADD(extra_ie_len, sta);
 464         DEBUGFS_ADD(auth_tries, sta);
 465         DEBUGFS_ADD(assoc_tries, sta);
 466         DEBUGFS_ADD(auth_algs, sta);
 467         DEBUGFS_ADD(auth_alg, sta);
 468         DEBUGFS_ADD(auth_transaction, sta);
 469         DEBUGFS_ADD(flags, sta);
 470
 471         qosd = debugfs_create_dir("qos", sdata->debugfsdir);
 472         sdata->debugfs.sta.qos_dir = qosd;
 473
 474         DEBUGFS_QOS_ADD(addts_11e);
 475         DEBUGFS_QOS_ADD(addts_wmm);
 476         DEBUGFS_QOS_ADD(delts_11e);
 477         DEBUGFS_QOS_ADD(delts_wmm);
 478         DEBUGFS_QOS_ADD(dls_mac);
 479         DEBUGFS_QOS_ADD(dls_op);
 480
 481         tsinfod = debugfs_create_dir("ts_info", qosd);
 482         sdata->debugfs.sta.tsinfo_dir = tsinfod;
 483
 484         DEBUGFS_TSINFO_ADD_TSID;
 485         DEBUGFS_TSINFO_ADD_DIR;
 486         DEBUGFS_TSINFO_ADD_UP;
 487
 488         tspecd = debugfs_create_dir("tspec", qosd);
 489         sdata->debugfs.sta.tspec_dir = tspecd;
 490
 491         DEBUGFS_TSPEC_ADD(nominal_msdu_size);
 492         DEBUGFS_TSPEC_ADD(max_msdu_size);
 493         DEBUGFS_TSPEC_ADD(min_service_interval);
 494         DEBUGFS_TSPEC_ADD(max_service_interval);
 495         DEBUGFS_TSPEC_ADD(inactivity_interval);
 496         DEBUGFS_TSPEC_ADD(suspension_interval);
 497         DEBUGFS_TSPEC_ADD(service_start_time);
 498         DEBUGFS_TSPEC_ADD(min_data_rate);
 499         DEBUGFS_TSPEC_ADD(mean_data_rate);
 500         DEBUGFS_TSPEC_ADD(peak_data_rate);
 501         DEBUGFS_TSPEC_ADD(burst_size);
 502         DEBUGFS_TSPEC_ADD(delay_bound);
 503         DEBUGFS_TSPEC_ADD(min_phy_rate);
 504         DEBUGFS_TSPEC_ADD(surplus_band_allow);
 505         DEBUGFS_TSPEC_ADD(medium_time);
 506 }
 507
 508 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 509 {
 510         DEBUGFS_ADD(channel_use, ap);
 511         DEBUGFS_ADD(drop_unencrypted, ap);
 512         DEBUGFS_ADD(eapol, ap);
 513         DEBUGFS_ADD(ieee8021_x, ap);
 514         DEBUGFS_ADD(num_sta_ps, ap);
 515         DEBUGFS_ADD(dtim_period, ap);
 516         DEBUGFS_ADD(dtim_count, ap);
 517         DEBUGFS_ADD(num_beacons, ap);
 518         DEBUGFS_ADD(force_unicast_rateidx, ap);
 519         DEBUGFS_ADD(max_ratectrl_rateidx, ap);
 520         DEBUGFS_ADD(num_buffered_multicast, ap);
 521         DEBUGFS_ADD(beacon_head_len, ap);
 522         DEBUGFS_ADD(beacon_tail_len, ap);
 523 }
 524
 525 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 526 {
 527         DEBUGFS_ADD(channel_use, wds);
 528         DEBUGFS_ADD(drop_unencrypted, wds);
 529         DEBUGFS_ADD(eapol, wds);
 530         DEBUGFS_ADD(ieee8021_x, wds);
 531         DEBUGFS_ADD(peer, wds);
 532 }
 533
 534 static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
 535 {
 536         DEBUGFS_ADD(channel_use, vlan);
 537         DEBUGFS_ADD(drop_unencrypted, vlan);
 538         DEBUGFS_ADD(eapol, vlan);
 539         DEBUGFS_ADD(ieee8021_x, vlan);
 540         DEBUGFS_ADD(vlan_id, vlan);
 541 }
 542
 543 static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
 544 {
 545         DEBUGFS_ADD(mode, monitor);
 546 }
 547
 548 static void add_files(struct ieee80211_sub_if_data *sdata)
 549 {
 550         if (!sdata->debugfsdir)
 551                 return;
 552
 553         switch (sdata->type) {
 554         case IEEE80211_IF_TYPE_STA:
 555         case IEEE80211_IF_TYPE_IBSS:
 556                 add_sta_files(sdata);
 557                 break;
 558         case IEEE80211_IF_TYPE_AP:
 559                 add_ap_files(sdata);
 560                 break;
 561         case IEEE80211_IF_TYPE_WDS:
 562                 add_wds_files(sdata);
 563                 break;
 564         case IEEE80211_IF_TYPE_MNTR:
 565                 add_monitor_files(sdata);
 566                 break;
 567         case IEEE80211_IF_TYPE_VLAN:
 568                 add_vlan_files(sdata);
 569                 break;
 570         default:
 571                 break;
 572         }
 573 }
 574
 575 #define DEBUGFS_DEL(name, type)                                 \
 576         do {                                                    \
 577                 debugfs_remove(sdata->debugfs.type.name);       \
 578                 sdata->debugfs.type.name = NULL;                \
 579         } while (0)
 580
 581 static void del_sta_files(struct ieee80211_sub_if_data *sdata)
 582 {
 583         DEBUGFS_DEL(channel_use, sta);
 584         DEBUGFS_DEL(drop_unencrypted, sta);
 585         DEBUGFS_DEL(eapol, sta);
 586         DEBUGFS_DEL(ieee8021_x, sta);
 587         DEBUGFS_DEL(state, sta);
 588         DEBUGFS_DEL(bssid, sta);
 589         DEBUGFS_DEL(prev_bssid, sta);
 590         DEBUGFS_DEL(ssid_len, sta);
 591         DEBUGFS_DEL(aid, sta);
 592         DEBUGFS_DEL(ap_capab, sta);
 593         DEBUGFS_DEL(capab, sta);
 594         DEBUGFS_DEL(extra_ie_len, sta);
 595         DEBUGFS_DEL(auth_tries, sta);
 596         DEBUGFS_DEL(assoc_tries, sta);
 597         DEBUGFS_DEL(auth_algs, sta);
 598         DEBUGFS_DEL(auth_alg, sta);
 599         DEBUGFS_DEL(auth_transaction, sta);
 600         DEBUGFS_DEL(flags, sta);
 601
 602         DEBUGFS_TSINFO_DEL(tsid);
 603         DEBUGFS_TSINFO_DEL(direction);
 604         DEBUGFS_TSINFO_DEL(up);
 605
 606         DEBUGFS_TSPEC_DEL(nominal_msdu_size);
 607         DEBUGFS_TSPEC_DEL(max_msdu_size);
 608         DEBUGFS_TSPEC_DEL(min_service_interval);
 609         DEBUGFS_TSPEC_DEL(max_service_interval);
 610         DEBUGFS_TSPEC_DEL(inactivity_interval);
 611         DEBUGFS_TSPEC_DEL(suspension_interval);
 612         DEBUGFS_TSPEC_DEL(service_start_time);
 613         DEBUGFS_TSPEC_DEL(min_data_rate);
 614         DEBUGFS_TSPEC_DEL(mean_data_rate);
 615         DEBUGFS_TSPEC_DEL(peak_data_rate);
 616         DEBUGFS_TSPEC_DEL(burst_size);
 617         DEBUGFS_TSPEC_DEL(delay_bound);
 618         DEBUGFS_TSPEC_DEL(min_phy_rate);
 619         DEBUGFS_TSPEC_DEL(surplus_band_allow);
 620         DEBUGFS_TSPEC_DEL(medium_time);
 621
 622         DEBUGFS_QOS_DEL(addts_11e);
 623         DEBUGFS_QOS_DEL(addts_wmm);
 624         DEBUGFS_QOS_DEL(delts_11e);
 625         DEBUGFS_QOS_DEL(delts_wmm);
 626         DEBUGFS_QOS_DEL(dls_mac);
 627         DEBUGFS_QOS_DEL(dls_op);
 628
 629         debugfs_remove(sdata->debugfs.sta.tspec_dir);
 630         sdata->debugfs.sta.tspec_dir = NULL;
 631         debugfs_remove(sdata->debugfs.sta.tsinfo_dir);
 632         sdata->debugfs.sta.tsinfo_dir = NULL;
 633         debugfs_remove(sdata->debugfs.sta.qos_dir);
 634         sdata->debugfs.sta.qos_dir = NULL;
 635 }
 636
 637 static void del_ap_files(struct ieee80211_sub_if_data *sdata)
 638 {
 639         DEBUGFS_DEL(channel_use, ap);
 640         DEBUGFS_DEL(drop_unencrypted, ap);
 641         DEBUGFS_DEL(eapol, ap);
 642         DEBUGFS_DEL(ieee8021_x, ap);
 643         DEBUGFS_DEL(num_sta_ps, ap);
 644         DEBUGFS_DEL(dtim_period, ap);
 645         DEBUGFS_DEL(dtim_count, ap);
 646         DEBUGFS_DEL(num_beacons, ap);
 647         DEBUGFS_DEL(force_unicast_rateidx, ap);
 648         DEBUGFS_DEL(max_ratectrl_rateidx, ap);
 649         DEBUGFS_DEL(num_buffered_multicast, ap);
 650         DEBUGFS_DEL(beacon_head_len, ap);
 651         DEBUGFS_DEL(beacon_tail_len, ap);
 652 }
 653
 654 static void del_wds_files(struct ieee80211_sub_if_data *sdata)
 655 {
 656         DEBUGFS_DEL(channel_use, wds);
 657         DEBUGFS_DEL(drop_unencrypted, wds);
 658         DEBUGFS_DEL(eapol, wds);
 659         DEBUGFS_DEL(ieee8021_x, wds);
 660         DEBUGFS_DEL(peer, wds);
 661 }
 662
 663 static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
 664 {
 665         DEBUGFS_DEL(channel_use, vlan);
 666         DEBUGFS_DEL(drop_unencrypted, vlan);
 667         DEBUGFS_DEL(eapol, vlan);
 668         DEBUGFS_DEL(ieee8021_x, vlan);
 669         DEBUGFS_DEL(vlan_id, vlan);
 670 }
 671
 672 static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
 673 {
 674         DEBUGFS_DEL(mode, monitor);
 675 }
 676
 677 static void del_files(struct ieee80211_sub_if_data *sdata, int type)
 678 {
 679         if (!sdata->debugfsdir)
 680                 return;
 681
 682         switch (type) {
 683         case IEEE80211_IF_TYPE_STA:
 684         case IEEE80211_IF_TYPE_IBSS:
 685                 del_sta_files(sdata);
 686                 break;
 687         case IEEE80211_IF_TYPE_AP:
 688                 del_ap_files(sdata);
 689                 break;
 690         case IEEE80211_IF_TYPE_WDS:
 691                 del_wds_files(sdata);
 692                 break;
 693         case IEEE80211_IF_TYPE_MNTR:
 694                 del_monitor_files(sdata);
 695                 break;
 696         case IEEE80211_IF_TYPE_VLAN:
 697                 del_vlan_files(sdata);
 698                 break;
 699         default:
 700                 break;
 701         }
 702 }
 703
 704 static int notif_registered;
 705
 706 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 707 {
 708         char buf[10+IFNAMSIZ];
 709
 710         if (!notif_registered)
 711                 return;
 712
 713         sprintf(buf, "netdev:%s", sdata->dev->name);
 714         sdata->debugfsdir = debugfs_create_dir(buf,
 715                 sdata->local->hw.wiphy->debugfsdir);
 716 }
 717
 718 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 719 {
 720         del_files(sdata, sdata->type);
 721         debugfs_remove(sdata->debugfsdir);
 722         sdata->debugfsdir = NULL;
 723 }
 724
 725 void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
 726                                       int oldtype)
 727 {
 728         del_files(sdata, oldtype);
 729         add_files(sdata);
 730 }
 731
 732 static int netdev_notify(struct notifier_block * nb,
 733                          unsigned long state,
 734                          void *ndev)
 735 {
 736         struct net_device *dev = ndev;
 737         /* TODO
 738         char buf[10+IFNAMSIZ];
 739         */
 740
 741         if (state != NETDEV_CHANGENAME)
 742                 return 0;
 743
 744         if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
 745                 return 0;
 746
 747         if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
 748                 return 0;
 749
 750         /* TODO
 751         sprintf(buf, "netdev:%s", dev->name);
 752         debugfs_rename(IEEE80211_DEV_TO_SUB_IF(dev)->debugfsdir, buf);
 753         */
 754
 755         return 0;
 756 }
 757
 758 static struct notifier_block mac80211_debugfs_netdev_notifier = {
 759         .notifier_call = netdev_notify,
 760 };
 761
 762 void ieee80211_debugfs_netdev_init(void)
 763 {
 764         int err;
 765
 766         err = register_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
 767         if (err) {
 768                 printk(KERN_ERR
 769                        "mac80211: failed to install netdev notifier,"
 770                        " disabling per-netdev debugfs!\n");
 771         } else
 772                 notif_registered = 1;
 773 }
 774
 775 void ieee80211_debugfs_netdev_exit(void)
 776 {
 777         unregister_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
 778         notif_registered = 0;
 779 }