net/mac80211/debugfs_netdev.c

   1 /*
   2  * Copyright (c) 2006   Jiri Benc <jbenc@suse.cz>
   3  * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #include <linux/kernel.h>
  11 #include <linux/device.h>
  12 #include <linux/if.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/netdevice.h>
  15 #include <linux/rtnetlink.h>
  16 #include <linux/slab.h>
  17 #include <linux/notifier.h>
  18 #include <net/mac80211.h>
  19 #include <net/cfg80211.h>
  20 #include "ieee80211_i.h"
  21 #include "rate.h"
  22 #include "debugfs.h"
  23 #include "debugfs_netdev.h"
  24 #include "driver-ops.h"
  25
  26 static ssize_t ieee80211_if_read(
  27         struct ieee80211_sub_if_data *sdata,
  28         char __user *userbuf,
  29         size_t count, loff_t *ppos,
  30         ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
  31 {
  32         char buf[70];
  33         ssize_t ret = -EINVAL;
  34
  35         read_lock(&dev_base_lock);
  36         ret = (*format)(sdata, buf, sizeof(buf));
  37         read_unlock(&dev_base_lock);
  38
  39         if (ret >= 0)
  40                 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
  41
  42         return ret;
  43 }
  44
  45 static ssize_t ieee80211_if_write(
  46         struct ieee80211_sub_if_data *sdata,
  47         const char __user *userbuf,
  48         size_t count, loff_t *ppos,
  49         ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
  50 {
  51         u8 *buf;
  52         ssize_t ret;
  53
  54         buf = kmalloc(count, GFP_KERNEL);
  55         if (!buf)
  56                 return -ENOMEM;
  57
  58         ret = -EFAULT;
  59         if (copy_from_user(buf, userbuf, count))
  60                 goto freebuf;
  61
  62         ret = -ENODEV;
  63         rtnl_lock();
  64         ret = (*write)(sdata, buf, count);
  65         rtnl_unlock();
  66
  67 freebuf:
  68         kfree(buf);
  69         return ret;
  70 }
  71
  72 #define IEEE80211_IF_FMT(name, field, format_string)                    \
  73 static ssize_t ieee80211_if_fmt_##name(                                 \
  74         const struct ieee80211_sub_if_data *sdata, char *buf,           \
  75         int buflen)                                                     \
  76 {                                                                       \
  77         return scnprintf(buf, buflen, format_string, sdata->field);     \
  78 }
  79 #define IEEE80211_IF_FMT_DEC(name, field)                               \
  80                 IEEE80211_IF_FMT(name, field, "%d\n")
  81 #define IEEE80211_IF_FMT_HEX(name, field)                               \
  82                 IEEE80211_IF_FMT(name, field, "%#x\n")
  83 #define IEEE80211_IF_FMT_LHEX(name, field)                              \
  84                 IEEE80211_IF_FMT(name, field, "%#lx\n")
  85 #define IEEE80211_IF_FMT_SIZE(name, field)                              \
  86                 IEEE80211_IF_FMT(name, field, "%zd\n")
  87
  88 #define IEEE80211_IF_FMT_ATOMIC(name, field)                            \
  89 static ssize_t ieee80211_if_fmt_##name(                                 \
  90         const struct ieee80211_sub_if_data *sdata,                      \
  91         char *buf, int buflen)                                          \
  92 {                                                                       \
  93         return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
  94 }
  95
  96 #define IEEE80211_IF_FMT_MAC(name, field)                               \
  97 static ssize_t ieee80211_if_fmt_##name(                                 \
  98         const struct ieee80211_sub_if_data *sdata, char *buf,           \
  99         int buflen)                                                     \
 100 {                                                                       \
 101         return scnprintf(buf, buflen, "%pM\n", sdata->field);           \
 102 }
 103
 104 #define IEEE80211_IF_FMT_DEC_DIV_16(name, field)                        \
 105 static ssize_t ieee80211_if_fmt_##name(                                 \
 106         const struct ieee80211_sub_if_data *sdata,                      \
 107         char *buf, int buflen)                                          \
 108 {                                                                       \
 109         return scnprintf(buf, buflen, "%d\n", sdata->field / 16);       \
 110 }
 111
 112 #define __IEEE80211_IF_FILE(name, _write)                               \
 113 static ssize_t ieee80211_if_read_##name(struct file *file,              \
 114                                         char __user *userbuf,           \
 115                                         size_t count, loff_t *ppos)     \
 116 {                                                                       \
 117         return ieee80211_if_read(file->private_data,                    \
 118                                  userbuf, count, ppos,                  \
 119                                  ieee80211_if_fmt_##name);              \
 120 }                                                                       \
 121 static const struct file_operations name##_ops = {                      \
 122         .read = ieee80211_if_read_##name,                               \
 123         .write = (_write),                                              \
 124         .open = mac80211_open_file_generic,                             \
 125         .llseek = generic_file_llseek,                                  \
 126 }
 127
 128 #define __IEEE80211_IF_FILE_W(name)                                     \
 129 static ssize_t ieee80211_if_write_##name(struct file *file,             \
 130                                          const char __user *userbuf,    \
 131                                          size_t count, loff_t *ppos)    \
 132 {                                                                       \
 133         return ieee80211_if_write(file->private_data, userbuf, count,   \
 134                                   ppos, ieee80211_if_parse_##name);     \
 135 }                                                                       \
 136 __IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
 137
 138
 139 #define IEEE80211_IF_FILE(name, field, format)                          \
 140                 IEEE80211_IF_FMT_##format(name, field)                  \
 141                 __IEEE80211_IF_FILE(name, NULL)
 142
 143 /* common attributes */
 144 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
 145 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
 146                   HEX);
 147 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
 148                   HEX);
 149 IEEE80211_IF_FILE(flags, flags, HEX);
 150 IEEE80211_IF_FILE(state, state, LHEX);
 151 IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
 152
 153 /* STA attributes */
 154 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
 155 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
 156 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
 157 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
 158
 159 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
 160                               enum ieee80211_smps_mode smps_mode)
 161 {
 162         struct ieee80211_local *local = sdata->local;
 163         int err;
 164
 165         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
 166             smps_mode == IEEE80211_SMPS_STATIC)
 167                 return -EINVAL;
 168
 169         /* auto should be dynamic if in PS mode */
 170         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
 171             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
 172              smps_mode == IEEE80211_SMPS_AUTOMATIC))
 173                 return -EINVAL;
 174
 175         /* supported only on managed interfaces for now */
 176         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 177                 return -EOPNOTSUPP;
 178
 179         mutex_lock(&sdata->u.mgd.mtx);
 180         err = __ieee80211_request_smps(sdata, smps_mode);
 181         mutex_unlock(&sdata->u.mgd.mtx);
 182
 183         return err;
 184 }
 185
 186 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
 187         [IEEE80211_SMPS_AUTOMATIC] = "auto",
 188         [IEEE80211_SMPS_OFF] = "off",
 189         [IEEE80211_SMPS_STATIC] = "static",
 190         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
 191 };
 192
 193 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
 194                                      char *buf, int buflen)
 195 {
 196         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 197                 return -EOPNOTSUPP;
 198
 199         return snprintf(buf, buflen, "request: %s\nused: %s\n",
 200                         smps_modes[sdata->u.mgd.req_smps],
 201                         smps_modes[sdata->u.mgd.ap_smps]);
 202 }
 203
 204 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
 205                                        const char *buf, int buflen)
 206 {
 207         enum ieee80211_smps_mode mode;
 208
 209         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
 210                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
 211                         int err = ieee80211_set_smps(sdata, mode);
 212                         if (!err)
 213                                 return buflen;
 214                         return err;
 215                 }
 216         }
 217
 218         return -EINVAL;
 219 }
 220
 221 __IEEE80211_IF_FILE_W(smps);
 222
 223 static ssize_t ieee80211_if_fmt_tkip_mic_test(
 224         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 225 {
 226         return -EOPNOTSUPP;
 227 }
 228
 229 static int hwaddr_aton(const char *txt, u8 *addr)
 230 {
 231         int i;
 232
 233         for (i = 0; i < ETH_ALEN; i++) {
 234                 int a, b;
 235
 236                 a = hex_to_bin(*txt++);
 237                 if (a < 0)
 238                         return -1;
 239                 b = hex_to_bin(*txt++);
 240                 if (b < 0)
 241                         return -1;
 242                 *addr++ = (a << 4) | b;
 243                 if (i < 5 && *txt++ != ':')
 244                         return -1;
 245         }
 246
 247         return 0;
 248 }
 249
 250 static ssize_t ieee80211_if_parse_tkip_mic_test(
 251         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 252 {
 253         struct ieee80211_local *local = sdata->local;
 254         u8 addr[ETH_ALEN];
 255         struct sk_buff *skb;
 256         struct ieee80211_hdr *hdr;
 257         __le16 fc;
 258
 259         /*
 260          * Assume colon-delimited MAC address with possible white space
 261          * following.
 262          */
 263         if (buflen < 3 * ETH_ALEN - 1)
 264                 return -EINVAL;
 265         if (hwaddr_aton(buf, addr) < 0)
 266                 return -EINVAL;
 267
 268         if (!ieee80211_sdata_running(sdata))
 269                 return -ENOTCONN;
 270
 271         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
 272         if (!skb)
 273                 return -ENOMEM;
 274         skb_reserve(skb, local->hw.extra_tx_headroom);
 275
 276         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
 277         memset(hdr, 0, 24);
 278         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 279
 280         switch (sdata->vif.type) {
 281         case NL80211_IFTYPE_AP:
 282                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 283                 /* DA BSSID SA */
 284                 memcpy(hdr->addr1, addr, ETH_ALEN);
 285                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 286                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
 287                 break;
 288         case NL80211_IFTYPE_STATION:
 289                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 290                 /* BSSID SA DA */
 291                 if (sdata->vif.bss_conf.bssid == NULL) {
 292                         dev_kfree_skb(skb);
 293                         return -ENOTCONN;
 294                 }
 295                 memcpy(hdr->addr1, sdata->vif.bss_conf.bssid, ETH_ALEN);
 296                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 297                 memcpy(hdr->addr3, addr, ETH_ALEN);
 298                 break;
 299         default:
 300                 dev_kfree_skb(skb);
 301                 return -EOPNOTSUPP;
 302         }
 303         hdr->frame_control = fc;
 304
 305         /*
 306          * Add some length to the test frame to make it look bit more valid.
 307          * The exact contents does not matter since the recipient is required
 308          * to drop this because of the Michael MIC failure.
 309          */
 310         memset(skb_put(skb, 50), 0, 50);
 311
 312         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
 313
 314         ieee80211_tx_skb(sdata, skb);
 315
 316         return buflen;
 317 }
 318
 319 __IEEE80211_IF_FILE_W(tkip_mic_test);
 320
 321 /* AP attributes */
 322 IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
 323 IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
 324
 325 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 326         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 327 {
 328         return scnprintf(buf, buflen, "%u\n",
 329                          skb_queue_len(&sdata->u.ap.ps_bc_buf));
 330 }
 331 __IEEE80211_IF_FILE(num_buffered_multicast, NULL);
 332
 333 /* IBSS attributes */
 334 static ssize_t ieee80211_if_fmt_tsf(
 335         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 336 {
 337         struct ieee80211_local *local = sdata->local;
 338         u64 tsf;
 339
 340         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 341
 342         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 343 }
 344
 345 static ssize_t ieee80211_if_parse_tsf(
 346         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 347 {
 348         struct ieee80211_local *local = sdata->local;
 349         unsigned long long tsf;
 350         int ret;
 351
 352         if (strncmp(buf, "reset", 5) == 0) {
 353                 if (local->ops->reset_tsf) {
 354                         drv_reset_tsf(local, sdata);
 355                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 356                 }
 357         } else {
 358                 ret = kstrtoull(buf, 10, &tsf);
 359                 if (ret < 0)
 360                         return -EINVAL;
 361                 if (local->ops->set_tsf) {
 362                         drv_set_tsf(local, sdata, tsf);
 363                         wiphy_info(local->hw.wiphy,
 364                                    "debugfs set TSF to %#018llx\n", tsf);
 365                 }
 366         }
 367
 368         return buflen;
 369 }
 370 __IEEE80211_IF_FILE_W(tsf);
 371
 372
 373 /* WDS attributes */
 374 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 375
 376 #ifdef CONFIG_MAC80211_MESH
 377 /* Mesh stats attributes */
 378 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 379 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 380 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 381 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 382 IEEE80211_IF_FILE(dropped_frames_congestion,
 383                 u.mesh.mshstats.dropped_frames_congestion, DEC);
 384 IEEE80211_IF_FILE(dropped_frames_no_route,
 385                 u.mesh.mshstats.dropped_frames_no_route, DEC);
 386 IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
 387
 388 /* Mesh parameters */
 389 IEEE80211_IF_FILE(dot11MeshMaxRetries,
 390                 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 391 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 392                 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 393 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 394                 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 395 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 396                 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 397 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 398 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 399 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 400 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 401                 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 402 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 403                 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 404 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 405                 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 406 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 407                 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 408 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 409                 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 410 IEEE80211_IF_FILE(path_refresh_time,
 411                 u.mesh.mshcfg.path_refresh_time, DEC);
 412 IEEE80211_IF_FILE(min_discovery_timeout,
 413                 u.mesh.mshcfg.min_discovery_timeout, DEC);
 414 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 415                 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 416 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 417                 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 418 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 419                 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 420 #endif
 421
 422
 423 #define DEBUGFS_ADD(name) \
 424         debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
 425                             sdata, &name##_ops);
 426
 427 #define DEBUGFS_ADD_MODE(name, mode) \
 428         debugfs_create_file(#name, mode, sdata->debugfs.dir, \
 429                             sdata, &name##_ops);
 430
 431 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 432 {
 433         DEBUGFS_ADD(drop_unencrypted);
 434         DEBUGFS_ADD(flags);
 435         DEBUGFS_ADD(state);
 436         DEBUGFS_ADD(channel_type);
 437         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 438         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 439
 440         DEBUGFS_ADD(bssid);
 441         DEBUGFS_ADD(aid);
 442         DEBUGFS_ADD(last_beacon);
 443         DEBUGFS_ADD(ave_beacon);
 444         DEBUGFS_ADD_MODE(smps, 0600);
 445         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 446 }
 447
 448 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 449 {
 450         DEBUGFS_ADD(drop_unencrypted);
 451         DEBUGFS_ADD(flags);
 452         DEBUGFS_ADD(state);
 453         DEBUGFS_ADD(channel_type);
 454         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 455         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 456
 457         DEBUGFS_ADD(num_sta_ps);
 458         DEBUGFS_ADD(dtim_count);
 459         DEBUGFS_ADD(num_buffered_multicast);
 460         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 461 }
 462
 463 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 464 {
 465         DEBUGFS_ADD_MODE(tsf, 0600);
 466 }
 467
 468 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 469 {
 470         DEBUGFS_ADD(drop_unencrypted);
 471         DEBUGFS_ADD(flags);
 472         DEBUGFS_ADD(state);
 473         DEBUGFS_ADD(channel_type);
 474         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 475         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 476
 477         DEBUGFS_ADD(peer);
 478 }
 479
 480 static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
 481 {
 482         DEBUGFS_ADD(drop_unencrypted);
 483         DEBUGFS_ADD(flags);
 484         DEBUGFS_ADD(state);
 485         DEBUGFS_ADD(channel_type);
 486         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 487         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 488 }
 489
 490 static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
 491 {
 492         DEBUGFS_ADD(flags);
 493         DEBUGFS_ADD(state);
 494         DEBUGFS_ADD(channel_type);
 495 }
 496
 497 #ifdef CONFIG_MAC80211_MESH
 498
 499 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 500 {
 501         struct dentry *dir = debugfs_create_dir("mesh_stats",
 502                                                 sdata->debugfs.dir);
 503
 504 #define MESHSTATS_ADD(name)\
 505         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 506
 507         MESHSTATS_ADD(fwded_mcast);
 508         MESHSTATS_ADD(fwded_unicast);
 509         MESHSTATS_ADD(fwded_frames);
 510         MESHSTATS_ADD(dropped_frames_ttl);
 511         MESHSTATS_ADD(dropped_frames_no_route);
 512         MESHSTATS_ADD(dropped_frames_congestion);
 513         MESHSTATS_ADD(estab_plinks);
 514 #undef MESHSTATS_ADD
 515 }
 516
 517 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 518 {
 519         struct dentry *dir = debugfs_create_dir("mesh_config",
 520                                                 sdata->debugfs.dir);
 521
 522 #define MESHPARAMS_ADD(name) \
 523         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 524
 525         MESHPARAMS_ADD(dot11MeshMaxRetries);
 526         MESHPARAMS_ADD(dot11MeshRetryTimeout);
 527         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 528         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 529         MESHPARAMS_ADD(dot11MeshTTL);
 530         MESHPARAMS_ADD(element_ttl);
 531         MESHPARAMS_ADD(auto_open_plinks);
 532         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 533         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 534         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 535         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 536         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 537         MESHPARAMS_ADD(path_refresh_time);
 538         MESHPARAMS_ADD(min_discovery_timeout);
 539         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 540         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 541         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 542 #undef MESHPARAMS_ADD
 543 }
 544 #endif
 545
 546 static void add_files(struct ieee80211_sub_if_data *sdata)
 547 {
 548         if (!sdata->debugfs.dir)
 549                 return;
 550
 551         switch (sdata->vif.type) {
 552         case NL80211_IFTYPE_MESH_POINT:
 553 #ifdef CONFIG_MAC80211_MESH
 554                 add_mesh_stats(sdata);
 555                 add_mesh_config(sdata);
 556 #endif
 557                 break;
 558         case NL80211_IFTYPE_STATION:
 559                 add_sta_files(sdata);
 560                 break;
 561         case NL80211_IFTYPE_ADHOC:
 562                 add_ibss_files(sdata);
 563                 break;
 564         case NL80211_IFTYPE_AP:
 565                 add_ap_files(sdata);
 566                 break;
 567         case NL80211_IFTYPE_WDS:
 568                 add_wds_files(sdata);
 569                 break;
 570         case NL80211_IFTYPE_MONITOR:
 571                 add_monitor_files(sdata);
 572                 break;
 573         case NL80211_IFTYPE_AP_VLAN:
 574                 add_vlan_files(sdata);
 575                 break;
 576         default:
 577                 break;
 578         }
 579 }
 580
 581 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 582 {
 583         char buf[10+IFNAMSIZ];
 584
 585         sprintf(buf, "netdev:%s", sdata->name);
 586         sdata->debugfs.dir = debugfs_create_dir(buf,
 587                 sdata->local->hw.wiphy->debugfsdir);
 588         if (sdata->debugfs.dir)
 589                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 590                         sdata->debugfs.dir);
 591         add_files(sdata);
 592 }
 593
 594 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 595 {
 596         if (!sdata->debugfs.dir)
 597                 return;
 598
 599         debugfs_remove_recursive(sdata->debugfs.dir);
 600         sdata->debugfs.dir = NULL;
 601         sdata->debugfs.subdir_stations = NULL;
 602 }
 603
 604 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 605 {
 606         struct dentry *dir;
 607         char buf[10 + IFNAMSIZ];
 608
 609         dir = sdata->debugfs.dir;
 610
 611         if (!dir)
 612                 return;
 613
 614         sprintf(buf, "netdev:%s", sdata->name);
 615         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 616                 printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
 617                        "dir to %s\n", buf);
 618 }