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         if (sdata->dev->reg_state == NETREG_REGISTERED)
  37                 ret = (*format)(sdata, buf, sizeof(buf));
  38         read_unlock(&dev_base_lock);
  39
  40         if (ret >= 0)
  41                 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
  42
  43         return ret;
  44 }
  45
  46 static ssize_t ieee80211_if_write(
  47         struct ieee80211_sub_if_data *sdata,
  48         const char __user *userbuf,
  49         size_t count, loff_t *ppos,
  50         ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
  51 {
  52         u8 *buf;
  53         ssize_t ret;
  54
  55         buf = kmalloc(count, GFP_KERNEL);
  56         if (!buf)
  57                 return -ENOMEM;
  58
  59         ret = -EFAULT;
  60         if (copy_from_user(buf, userbuf, count))
  61                 goto freebuf;
  62
  63         ret = -ENODEV;
  64         rtnl_lock();
  65         if (sdata->dev->reg_state == NETREG_REGISTERED)
  66                 ret = (*write)(sdata, buf, count);
  67         rtnl_unlock();
  68
  69 freebuf:
  70         kfree(buf);
  71         return ret;
  72 }
  73
  74 #define IEEE80211_IF_FMT(name, field, format_string)                    \
  75 static ssize_t ieee80211_if_fmt_##name(                                 \
  76         const struct ieee80211_sub_if_data *sdata, char *buf,           \
  77         int buflen)                                                     \
  78 {                                                                       \
  79         return scnprintf(buf, buflen, format_string, sdata->field);     \
  80 }
  81 #define IEEE80211_IF_FMT_DEC(name, field)                               \
  82                 IEEE80211_IF_FMT(name, field, "%d\n")
  83 #define IEEE80211_IF_FMT_HEX(name, field)                               \
  84                 IEEE80211_IF_FMT(name, field, "%#x\n")
  85 #define IEEE80211_IF_FMT_LHEX(name, field)                              \
  86                 IEEE80211_IF_FMT(name, field, "%#lx\n")
  87 #define IEEE80211_IF_FMT_SIZE(name, field)                              \
  88                 IEEE80211_IF_FMT(name, field, "%zd\n")
  89
  90 #define IEEE80211_IF_FMT_ATOMIC(name, field)                            \
  91 static ssize_t ieee80211_if_fmt_##name(                                 \
  92         const struct ieee80211_sub_if_data *sdata,                      \
  93         char *buf, int buflen)                                          \
  94 {                                                                       \
  95         return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
  96 }
  97
  98 #define IEEE80211_IF_FMT_MAC(name, field)                               \
  99 static ssize_t ieee80211_if_fmt_##name(                                 \
 100         const struct ieee80211_sub_if_data *sdata, char *buf,           \
 101         int buflen)                                                     \
 102 {                                                                       \
 103         return scnprintf(buf, buflen, "%pM\n", sdata->field);           \
 104 }
 105
 106 #define IEEE80211_IF_FMT_DEC_DIV_16(name, field)                        \
 107 static ssize_t ieee80211_if_fmt_##name(                                 \
 108         const struct ieee80211_sub_if_data *sdata,                      \
 109         char *buf, int buflen)                                          \
 110 {                                                                       \
 111         return scnprintf(buf, buflen, "%d\n", sdata->field / 16);       \
 112 }
 113
 114 #define __IEEE80211_IF_FILE(name, _write)                               \
 115 static ssize_t ieee80211_if_read_##name(struct file *file,              \
 116                                         char __user *userbuf,           \
 117                                         size_t count, loff_t *ppos)     \
 118 {                                                                       \
 119         return ieee80211_if_read(file->private_data,                    \
 120                                  userbuf, count, ppos,                  \
 121                                  ieee80211_if_fmt_##name);              \
 122 }                                                                       \
 123 static const struct file_operations name##_ops = {                      \
 124         .read = ieee80211_if_read_##name,                               \
 125         .write = (_write),                                              \
 126         .open = mac80211_open_file_generic,                             \
 127         .llseek = generic_file_llseek,                                  \
 128 }
 129
 130 #define __IEEE80211_IF_FILE_W(name)                                     \
 131 static ssize_t ieee80211_if_write_##name(struct file *file,             \
 132                                          const char __user *userbuf,    \
 133                                          size_t count, loff_t *ppos)    \
 134 {                                                                       \
 135         return ieee80211_if_write(file->private_data, userbuf, count,   \
 136                                   ppos, ieee80211_if_parse_##name);     \
 137 }                                                                       \
 138 __IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
 139
 140
 141 #define IEEE80211_IF_FILE(name, field, format)                          \
 142                 IEEE80211_IF_FMT_##format(name, field)                  \
 143                 __IEEE80211_IF_FILE(name, NULL)
 144
 145 /* common attributes */
 146 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
 147 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
 148                   HEX);
 149 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
 150                   HEX);
 151 IEEE80211_IF_FILE(flags, flags, HEX);
 152 IEEE80211_IF_FILE(state, state, LHEX);
 153 IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
 154
 155 /* STA attributes */
 156 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
 157 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
 158 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
 159 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
 160
 161 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
 162                               enum ieee80211_smps_mode smps_mode)
 163 {
 164         struct ieee80211_local *local = sdata->local;
 165         int err;
 166
 167         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
 168             smps_mode == IEEE80211_SMPS_STATIC)
 169                 return -EINVAL;
 170
 171         /* auto should be dynamic if in PS mode */
 172         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
 173             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
 174              smps_mode == IEEE80211_SMPS_AUTOMATIC))
 175                 return -EINVAL;
 176
 177         /* supported only on managed interfaces for now */
 178         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 179                 return -EOPNOTSUPP;
 180
 181         mutex_lock(&sdata->u.mgd.mtx);
 182         err = __ieee80211_request_smps(sdata, smps_mode);
 183         mutex_unlock(&sdata->u.mgd.mtx);
 184
 185         return err;
 186 }
 187
 188 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
 189         [IEEE80211_SMPS_AUTOMATIC] = "auto",
 190         [IEEE80211_SMPS_OFF] = "off",
 191         [IEEE80211_SMPS_STATIC] = "static",
 192         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
 193 };
 194
 195 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
 196                                      char *buf, int buflen)
 197 {
 198         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 199                 return -EOPNOTSUPP;
 200
 201         return snprintf(buf, buflen, "request: %s\nused: %s\n",
 202                         smps_modes[sdata->u.mgd.req_smps],
 203                         smps_modes[sdata->u.mgd.ap_smps]);
 204 }
 205
 206 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
 207                                        const char *buf, int buflen)
 208 {
 209         enum ieee80211_smps_mode mode;
 210
 211         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
 212                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
 213                         int err = ieee80211_set_smps(sdata, mode);
 214                         if (!err)
 215                                 return buflen;
 216                         return err;
 217                 }
 218         }
 219
 220         return -EINVAL;
 221 }
 222
 223 __IEEE80211_IF_FILE_W(smps);
 224
 225 static ssize_t ieee80211_if_fmt_tkip_mic_test(
 226         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 227 {
 228         return -EOPNOTSUPP;
 229 }
 230
 231 static int hwaddr_aton(const char *txt, u8 *addr)
 232 {
 233         int i;
 234
 235         for (i = 0; i < ETH_ALEN; i++) {
 236                 int a, b;
 237
 238                 a = hex_to_bin(*txt++);
 239                 if (a < 0)
 240                         return -1;
 241                 b = hex_to_bin(*txt++);
 242                 if (b < 0)
 243                         return -1;
 244                 *addr++ = (a << 4) | b;
 245                 if (i < 5 && *txt++ != ':')
 246                         return -1;
 247         }
 248
 249         return 0;
 250 }
 251
 252 static ssize_t ieee80211_if_parse_tkip_mic_test(
 253         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 254 {
 255         struct ieee80211_local *local = sdata->local;
 256         u8 addr[ETH_ALEN];
 257         struct sk_buff *skb;
 258         struct ieee80211_hdr *hdr;
 259         __le16 fc;
 260
 261         /*
 262          * Assume colon-delimited MAC address with possible white space
 263          * following.
 264          */
 265         if (buflen < 3 * ETH_ALEN - 1)
 266                 return -EINVAL;
 267         if (hwaddr_aton(buf, addr) < 0)
 268                 return -EINVAL;
 269
 270         if (!ieee80211_sdata_running(sdata))
 271                 return -ENOTCONN;
 272
 273         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
 274         if (!skb)
 275                 return -ENOMEM;
 276         skb_reserve(skb, local->hw.extra_tx_headroom);
 277
 278         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
 279         memset(hdr, 0, 24);
 280         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 281
 282         switch (sdata->vif.type) {
 283         case NL80211_IFTYPE_AP:
 284                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 285                 /* DA BSSID SA */
 286                 memcpy(hdr->addr1, addr, ETH_ALEN);
 287                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 288                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
 289                 break;
 290         case NL80211_IFTYPE_STATION:
 291                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 292                 /* BSSID SA DA */
 293                 if (sdata->vif.bss_conf.bssid == NULL) {
 294                         dev_kfree_skb(skb);
 295                         return -ENOTCONN;
 296                 }
 297                 memcpy(hdr->addr1, sdata->vif.bss_conf.bssid, ETH_ALEN);
 298                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 299                 memcpy(hdr->addr3, addr, ETH_ALEN);
 300                 break;
 301         default:
 302                 dev_kfree_skb(skb);
 303                 return -EOPNOTSUPP;
 304         }
 305         hdr->frame_control = fc;
 306
 307         /*
 308          * Add some length to the test frame to make it look bit more valid.
 309          * The exact contents does not matter since the recipient is required
 310          * to drop this because of the Michael MIC failure.
 311          */
 312         memset(skb_put(skb, 50), 0, 50);
 313
 314         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
 315
 316         ieee80211_tx_skb(sdata, skb);
 317
 318         return buflen;
 319 }
 320
 321 __IEEE80211_IF_FILE_W(tkip_mic_test);
 322
 323 /* AP attributes */
 324 IEEE80211_IF_FILE(num_sta_authorized, u.ap.num_sta_authorized, ATOMIC);
 325 IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
 326 IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
 327
 328 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 329         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 330 {
 331         return scnprintf(buf, buflen, "%u\n",
 332                          skb_queue_len(&sdata->u.ap.ps_bc_buf));
 333 }
 334 __IEEE80211_IF_FILE(num_buffered_multicast, NULL);
 335
 336 /* IBSS attributes */
 337 static ssize_t ieee80211_if_fmt_tsf(
 338         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 339 {
 340         struct ieee80211_local *local = sdata->local;
 341         u64 tsf;
 342
 343         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 344
 345         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 346 }
 347
 348 static ssize_t ieee80211_if_parse_tsf(
 349         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 350 {
 351         struct ieee80211_local *local = sdata->local;
 352         unsigned long long tsf;
 353         int ret;
 354
 355         if (strncmp(buf, "reset", 5) == 0) {
 356                 if (local->ops->reset_tsf) {
 357                         drv_reset_tsf(local, sdata);
 358                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 359                 }
 360         } else {
 361                 ret = kstrtoull(buf, 10, &tsf);
 362                 if (ret < 0)
 363                         return -EINVAL;
 364                 if (local->ops->set_tsf) {
 365                         drv_set_tsf(local, sdata, tsf);
 366                         wiphy_info(local->hw.wiphy,
 367                                    "debugfs set TSF to %#018llx\n", tsf);
 368                 }
 369         }
 370
 371         return buflen;
 372 }
 373 __IEEE80211_IF_FILE_W(tsf);
 374
 375
 376 /* WDS attributes */
 377 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 378
 379 #ifdef CONFIG_MAC80211_MESH
 380 /* Mesh stats attributes */
 381 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 382 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 383 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 384 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 385 IEEE80211_IF_FILE(dropped_frames_congestion,
 386                 u.mesh.mshstats.dropped_frames_congestion, DEC);
 387 IEEE80211_IF_FILE(dropped_frames_no_route,
 388                 u.mesh.mshstats.dropped_frames_no_route, DEC);
 389 IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
 390
 391 /* Mesh parameters */
 392 IEEE80211_IF_FILE(dot11MeshMaxRetries,
 393                 u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 394 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 395                 u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 396 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 397                 u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 398 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 399                 u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 400 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 401 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 402 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 403 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 404                 u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 405 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 406                 u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 407 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 408                 u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 409 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
 410                 u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
 411 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 412                 u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 413 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 414                 u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 415 IEEE80211_IF_FILE(path_refresh_time,
 416                 u.mesh.mshcfg.path_refresh_time, DEC);
 417 IEEE80211_IF_FILE(min_discovery_timeout,
 418                 u.mesh.mshcfg.min_discovery_timeout, DEC);
 419 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 420                 u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 421 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 422                 u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 423 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 424                 u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 425 #endif
 426
 427
 428 #define DEBUGFS_ADD(name) \
 429         debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
 430                             sdata, &name##_ops);
 431
 432 #define DEBUGFS_ADD_MODE(name, mode) \
 433         debugfs_create_file(#name, mode, sdata->debugfs.dir, \
 434                             sdata, &name##_ops);
 435
 436 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 437 {
 438         DEBUGFS_ADD(drop_unencrypted);
 439         DEBUGFS_ADD(flags);
 440         DEBUGFS_ADD(state);
 441         DEBUGFS_ADD(channel_type);
 442         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 443         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 444
 445         DEBUGFS_ADD(bssid);
 446         DEBUGFS_ADD(aid);
 447         DEBUGFS_ADD(last_beacon);
 448         DEBUGFS_ADD(ave_beacon);
 449         DEBUGFS_ADD_MODE(smps, 0600);
 450         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 451 }
 452
 453 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 454 {
 455         DEBUGFS_ADD(drop_unencrypted);
 456         DEBUGFS_ADD(flags);
 457         DEBUGFS_ADD(state);
 458         DEBUGFS_ADD(channel_type);
 459         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 460         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 461
 462         DEBUGFS_ADD(num_sta_authorized);
 463         DEBUGFS_ADD(num_sta_ps);
 464         DEBUGFS_ADD(dtim_count);
 465         DEBUGFS_ADD(num_buffered_multicast);
 466         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 467 }
 468
 469 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 470 {
 471         DEBUGFS_ADD_MODE(tsf, 0600);
 472 }
 473
 474 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 475 {
 476         DEBUGFS_ADD(drop_unencrypted);
 477         DEBUGFS_ADD(flags);
 478         DEBUGFS_ADD(state);
 479         DEBUGFS_ADD(channel_type);
 480         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 481         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 482
 483         DEBUGFS_ADD(peer);
 484 }
 485
 486 static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
 487 {
 488         DEBUGFS_ADD(drop_unencrypted);
 489         DEBUGFS_ADD(flags);
 490         DEBUGFS_ADD(state);
 491         DEBUGFS_ADD(channel_type);
 492         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 493         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 494 }
 495
 496 static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
 497 {
 498         DEBUGFS_ADD(flags);
 499         DEBUGFS_ADD(state);
 500         DEBUGFS_ADD(channel_type);
 501 }
 502
 503 #ifdef CONFIG_MAC80211_MESH
 504
 505 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 506 {
 507         struct dentry *dir = debugfs_create_dir("mesh_stats",
 508                                                 sdata->debugfs.dir);
 509
 510 #define MESHSTATS_ADD(name)\
 511         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 512
 513         MESHSTATS_ADD(fwded_mcast);
 514         MESHSTATS_ADD(fwded_unicast);
 515         MESHSTATS_ADD(fwded_frames);
 516         MESHSTATS_ADD(dropped_frames_ttl);
 517         MESHSTATS_ADD(dropped_frames_no_route);
 518         MESHSTATS_ADD(dropped_frames_congestion);
 519         MESHSTATS_ADD(estab_plinks);
 520 #undef MESHSTATS_ADD
 521 }
 522
 523 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 524 {
 525         struct dentry *dir = debugfs_create_dir("mesh_config",
 526                                                 sdata->debugfs.dir);
 527
 528 #define MESHPARAMS_ADD(name) \
 529         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 530
 531         MESHPARAMS_ADD(dot11MeshMaxRetries);
 532         MESHPARAMS_ADD(dot11MeshRetryTimeout);
 533         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 534         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 535         MESHPARAMS_ADD(dot11MeshTTL);
 536         MESHPARAMS_ADD(element_ttl);
 537         MESHPARAMS_ADD(auto_open_plinks);
 538         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 539         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 540         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 541         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
 542         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 543         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 544         MESHPARAMS_ADD(path_refresh_time);
 545         MESHPARAMS_ADD(min_discovery_timeout);
 546         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 547         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 548         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 549 #undef MESHPARAMS_ADD
 550 }
 551 #endif
 552
 553 static void add_files(struct ieee80211_sub_if_data *sdata)
 554 {
 555         if (!sdata->debugfs.dir)
 556                 return;
 557
 558         switch (sdata->vif.type) {
 559         case NL80211_IFTYPE_MESH_POINT:
 560 #ifdef CONFIG_MAC80211_MESH
 561                 add_mesh_stats(sdata);
 562                 add_mesh_config(sdata);
 563 #endif
 564                 break;
 565         case NL80211_IFTYPE_STATION:
 566                 add_sta_files(sdata);
 567                 break;
 568         case NL80211_IFTYPE_ADHOC:
 569                 add_ibss_files(sdata);
 570                 break;
 571         case NL80211_IFTYPE_AP:
 572                 add_ap_files(sdata);
 573                 break;
 574         case NL80211_IFTYPE_WDS:
 575                 add_wds_files(sdata);
 576                 break;
 577         case NL80211_IFTYPE_MONITOR:
 578                 add_monitor_files(sdata);
 579                 break;
 580         case NL80211_IFTYPE_AP_VLAN:
 581                 add_vlan_files(sdata);
 582                 break;
 583         default:
 584                 break;
 585         }
 586 }
 587
 588 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 589 {
 590         char buf[10+IFNAMSIZ];
 591
 592         sprintf(buf, "netdev:%s", sdata->name);
 593         sdata->debugfs.dir = debugfs_create_dir(buf,
 594                 sdata->local->hw.wiphy->debugfsdir);
 595         if (sdata->debugfs.dir)
 596                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 597                         sdata->debugfs.dir);
 598         add_files(sdata);
 599 }
 600
 601 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 602 {
 603         if (!sdata->debugfs.dir)
 604                 return;
 605
 606         debugfs_remove_recursive(sdata->debugfs.dir);
 607         sdata->debugfs.dir = NULL;
 608 }
 609
 610 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 611 {
 612         struct dentry *dir;
 613         char buf[10 + IFNAMSIZ];
 614
 615         dir = sdata->debugfs.dir;
 616
 617         if (!dir)
 618                 return;
 619
 620         sprintf(buf, "netdev:%s", sdata->name);
 621         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 622                 printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
 623                        "dir to %s\n", buf);
 624 }