net/mac80211/debugfs_netdev.c

   1 /*
   2  * Copyright (c) 2006   Jiri Benc <[email protected]>
   3  * Copyright 2007       Johannes Berg <[email protected]>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #include <linux/kernel.h>
  11 #include <linux/device.h>
  12 #include <linux/if.h>
  13 #include <linux/if_ether.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/netdevice.h>
  16 #include <linux/rtnetlink.h>
  17 #include <linux/slab.h>
  18 #include <linux/notifier.h>
  19 #include <net/mac80211.h>
  20 #include <net/cfg80211.h>
  21 #include "ieee80211_i.h"
  22 #include "rate.h"
  23 #include "debugfs.h"
  24 #include "debugfs_netdev.h"
  25 #include "driver-ops.h"
  26
  27 static ssize_t ieee80211_if_read(
  28         struct ieee80211_sub_if_data *sdata,
  29         char __user *userbuf,
  30         size_t count, loff_t *ppos,
  31         ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
  32 {
  33         char buf[70];
  34         ssize_t ret = -EINVAL;
  35
  36         read_lock(&dev_base_lock);
  37         ret = (*format)(sdata, buf, sizeof(buf));
  38         read_unlock(&dev_base_lock);
  39
  40         if (ret >= 0)
  41                 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
  42
  43         return ret;
  44 }
  45
  46 static ssize_t ieee80211_if_write(
  47         struct ieee80211_sub_if_data *sdata,
  48         const char __user *userbuf,
  49         size_t count, loff_t *ppos,
  50         ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
  51 {
  52         char buf[64];
  53         ssize_t ret;
  54
  55         if (count >= sizeof(buf))
  56                 return -E2BIG;
  57
  58         if (copy_from_user(buf, userbuf, count))
  59                 return -EFAULT;
  60         buf[count] = '\0';
  61
  62         ret = -ENODEV;
  63         rtnl_lock();
  64         ret = (*write)(sdata, buf, count);
  65         rtnl_unlock();
  66
  67         return ret;
  68 }
  69
  70 #define IEEE80211_IF_FMT(name, field, format_string)                    \
  71 static ssize_t ieee80211_if_fmt_##name(                                 \
  72         const struct ieee80211_sub_if_data *sdata, char *buf,           \
  73         int buflen)                                                     \
  74 {                                                                       \
  75         return scnprintf(buf, buflen, format_string, sdata->field);     \
  76 }
  77 #define IEEE80211_IF_FMT_DEC(name, field)                               \
  78                 IEEE80211_IF_FMT(name, field, "%d\n")
  79 #define IEEE80211_IF_FMT_HEX(name, field)                               \
  80                 IEEE80211_IF_FMT(name, field, "%#x\n")
  81 #define IEEE80211_IF_FMT_LHEX(name, field)                              \
  82                 IEEE80211_IF_FMT(name, field, "%#lx\n")
  83 #define IEEE80211_IF_FMT_SIZE(name, field)                              \
  84                 IEEE80211_IF_FMT(name, field, "%zd\n")
  85
  86 #define IEEE80211_IF_FMT_HEXARRAY(name, field)                          \
  87 static ssize_t ieee80211_if_fmt_##name(                                 \
  88         const struct ieee80211_sub_if_data *sdata,                      \
  89         char *buf, int buflen)                                          \
  90 {                                                                       \
  91         char *p = buf;                                                  \
  92         int i;                                                          \
  93         for (i = 0; i < sizeof(sdata->field); i++) {                    \
  94                 p += scnprintf(p, buflen + buf - p, "%.2x ",            \
  95                                  sdata->field[i]);                      \
  96         }                                                               \
  97         p += scnprintf(p, buflen + buf - p, "\n");                      \
  98         return p - buf;                                                 \
  99 }
 100
 101 #define IEEE80211_IF_FMT_ATOMIC(name, field)                            \
 102 static ssize_t ieee80211_if_fmt_##name(                                 \
 103         const struct ieee80211_sub_if_data *sdata,                      \
 104         char *buf, int buflen)                                          \
 105 {                                                                       \
 106         return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
 107 }
 108
 109 #define IEEE80211_IF_FMT_MAC(name, field)                               \
 110 static ssize_t ieee80211_if_fmt_##name(                                 \
 111         const struct ieee80211_sub_if_data *sdata, char *buf,           \
 112         int buflen)                                                     \
 113 {                                                                       \
 114         return scnprintf(buf, buflen, "%pM\n", sdata->field);           \
 115 }
 116
 117 #define IEEE80211_IF_FMT_DEC_DIV_16(name, field)                        \
 118 static ssize_t ieee80211_if_fmt_##name(                                 \
 119         const struct ieee80211_sub_if_data *sdata,                      \
 120         char *buf, int buflen)                                          \
 121 {                                                                       \
 122         return scnprintf(buf, buflen, "%d\n", sdata->field / 16);       \
 123 }
 124
 125 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field)                     \
 126 static ssize_t ieee80211_if_fmt_##name(                                 \
 127         const struct ieee80211_sub_if_data *sdata,                      \
 128         char *buf, int buflen)                                          \
 129 {                                                                       \
 130         return scnprintf(buf, buflen, "%d\n",                           \
 131                          jiffies_to_msecs(sdata->field));               \
 132 }
 133
 134 #define _IEEE80211_IF_FILE_OPS(name, _read, _write)                     \
 135 static const struct file_operations name##_ops = {                      \
 136         .read = (_read),                                                \
 137         .write = (_write),                                              \
 138         .open = simple_open,                                            \
 139         .llseek = generic_file_llseek,                                  \
 140 }
 141
 142 #define _IEEE80211_IF_FILE_R_FN(name)                                   \
 143 static ssize_t ieee80211_if_read_##name(struct file *file,              \
 144                                         char __user *userbuf,           \
 145                                         size_t count, loff_t *ppos)     \
 146 {                                                                       \
 147         return ieee80211_if_read(file->private_data,                    \
 148                                  userbuf, count, ppos,                  \
 149                                  ieee80211_if_fmt_##name);              \
 150 }
 151
 152 #define _IEEE80211_IF_FILE_W_FN(name)                                   \
 153 static ssize_t ieee80211_if_write_##name(struct file *file,             \
 154                                          const char __user *userbuf,    \
 155                                          size_t count, loff_t *ppos)    \
 156 {                                                                       \
 157         return ieee80211_if_write(file->private_data, userbuf, count,   \
 158                                   ppos, ieee80211_if_parse_##name);     \
 159 }
 160
 161 #define IEEE80211_IF_FILE_R(name)                                       \
 162         _IEEE80211_IF_FILE_R_FN(name)                                   \
 163         _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
 164
 165 #define IEEE80211_IF_FILE_W(name)                                       \
 166         _IEEE80211_IF_FILE_W_FN(name)                                   \
 167         _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
 168
 169 #define IEEE80211_IF_FILE_RW(name)                                      \
 170         _IEEE80211_IF_FILE_R_FN(name)                                   \
 171         _IEEE80211_IF_FILE_W_FN(name)                                   \
 172         _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name,          \
 173                                ieee80211_if_write_##name)
 174
 175 #define IEEE80211_IF_FILE(name, field, format)                          \
 176         IEEE80211_IF_FMT_##format(name, field)                          \
 177         IEEE80211_IF_FILE_R(name)
 178
 179 /* common attributes */
 180 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
 181                   HEX);
 182 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
 183                   HEX);
 184 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
 185                   rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
 186 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
 187                   rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
 188
 189 IEEE80211_IF_FILE(flags, flags, HEX);
 190 IEEE80211_IF_FILE(state, state, LHEX);
 191 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
 192 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
 193 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
 194
 195 static ssize_t
 196 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
 197                            char *buf, int buflen)
 198 {
 199         int len;
 200
 201         len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
 202                         sdata->vif.hw_queue[IEEE80211_AC_VO],
 203                         sdata->vif.hw_queue[IEEE80211_AC_VI],
 204                         sdata->vif.hw_queue[IEEE80211_AC_BE],
 205                         sdata->vif.hw_queue[IEEE80211_AC_BK]);
 206
 207         if (sdata->vif.type == NL80211_IFTYPE_AP)
 208                 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
 209                                  sdata->vif.cab_queue);
 210
 211         return len;
 212 }
 213 IEEE80211_IF_FILE_R(hw_queues);
 214
 215 /* STA attributes */
 216 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
 217 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
 218 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
 219 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
 220 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
 221
 222 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
 223                               enum ieee80211_smps_mode smps_mode)
 224 {
 225         struct ieee80211_local *local = sdata->local;
 226         int err;
 227
 228         if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&
 229             smps_mode == IEEE80211_SMPS_STATIC)
 230                 return -EINVAL;
 231
 232         /* auto should be dynamic if in PS mode */
 233         if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) &&
 234             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
 235              smps_mode == IEEE80211_SMPS_AUTOMATIC))
 236                 return -EINVAL;
 237
 238         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 239             sdata->vif.type != NL80211_IFTYPE_AP)
 240                 return -EOPNOTSUPP;
 241
 242         sdata_lock(sdata);
 243         if (sdata->vif.type == NL80211_IFTYPE_STATION)
 244                 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
 245         else
 246                 err = __ieee80211_request_smps_ap(sdata, smps_mode);
 247         sdata_unlock(sdata);
 248
 249         return err;
 250 }
 251
 252 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
 253         [IEEE80211_SMPS_AUTOMATIC] = "auto",
 254         [IEEE80211_SMPS_OFF] = "off",
 255         [IEEE80211_SMPS_STATIC] = "static",
 256         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
 257 };
 258
 259 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
 260                                      char *buf, int buflen)
 261 {
 262         if (sdata->vif.type == NL80211_IFTYPE_STATION)
 263                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
 264                                 smps_modes[sdata->u.mgd.req_smps],
 265                                 smps_modes[sdata->smps_mode]);
 266         if (sdata->vif.type == NL80211_IFTYPE_AP)
 267                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
 268                                 smps_modes[sdata->u.ap.req_smps],
 269                                 smps_modes[sdata->smps_mode]);
 270         return -EINVAL;
 271 }
 272
 273 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
 274                                        const char *buf, int buflen)
 275 {
 276         enum ieee80211_smps_mode mode;
 277
 278         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
 279                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
 280                         int err = ieee80211_set_smps(sdata, mode);
 281                         if (!err)
 282                                 return buflen;
 283                         return err;
 284                 }
 285         }
 286
 287         return -EINVAL;
 288 }
 289 IEEE80211_IF_FILE_RW(smps);
 290
 291 static ssize_t ieee80211_if_parse_tkip_mic_test(
 292         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 293 {
 294         struct ieee80211_local *local = sdata->local;
 295         u8 addr[ETH_ALEN];
 296         struct sk_buff *skb;
 297         struct ieee80211_hdr *hdr;
 298         __le16 fc;
 299
 300         if (!mac_pton(buf, addr))
 301                 return -EINVAL;
 302
 303         if (!ieee80211_sdata_running(sdata))
 304                 return -ENOTCONN;
 305
 306         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
 307         if (!skb)
 308                 return -ENOMEM;
 309         skb_reserve(skb, local->hw.extra_tx_headroom);
 310
 311         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
 312         memset(hdr, 0, 24);
 313         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 314
 315         switch (sdata->vif.type) {
 316         case NL80211_IFTYPE_AP:
 317                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 318                 /* DA BSSID SA */
 319                 memcpy(hdr->addr1, addr, ETH_ALEN);
 320                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 321                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
 322                 break;
 323         case NL80211_IFTYPE_STATION:
 324                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 325                 /* BSSID SA DA */
 326                 sdata_lock(sdata);
 327                 if (!sdata->u.mgd.associated) {
 328                         sdata_unlock(sdata);
 329                         dev_kfree_skb(skb);
 330                         return -ENOTCONN;
 331                 }
 332                 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
 333                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 334                 memcpy(hdr->addr3, addr, ETH_ALEN);
 335                 sdata_unlock(sdata);
 336                 break;
 337         default:
 338                 dev_kfree_skb(skb);
 339                 return -EOPNOTSUPP;
 340         }
 341         hdr->frame_control = fc;
 342
 343         /*
 344          * Add some length to the test frame to make it look bit more valid.
 345          * The exact contents does not matter since the recipient is required
 346          * to drop this because of the Michael MIC failure.
 347          */
 348         memset(skb_put(skb, 50), 0, 50);
 349
 350         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
 351
 352         ieee80211_tx_skb(sdata, skb);
 353
 354         return buflen;
 355 }
 356 IEEE80211_IF_FILE_W(tkip_mic_test);
 357
 358 static ssize_t ieee80211_if_parse_beacon_loss(
 359         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 360 {
 361         if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
 362                 return -ENOTCONN;
 363
 364         ieee80211_beacon_loss(&sdata->vif);
 365
 366         return buflen;
 367 }
 368 IEEE80211_IF_FILE_W(beacon_loss);
 369
 370 static ssize_t ieee80211_if_fmt_uapsd_queues(
 371         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 372 {
 373         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 374
 375         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
 376 }
 377
 378 static ssize_t ieee80211_if_parse_uapsd_queues(
 379         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 380 {
 381         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 382         u8 val;
 383         int ret;
 384
 385         ret = kstrtou8(buf, 0, &val);
 386         if (ret)
 387                 return ret;
 388
 389         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
 390                 return -ERANGE;
 391
 392         ifmgd->uapsd_queues = val;
 393
 394         return buflen;
 395 }
 396 IEEE80211_IF_FILE_RW(uapsd_queues);
 397
 398 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
 399         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 400 {
 401         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 402
 403         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
 404 }
 405
 406 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
 407         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 408 {
 409         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 410         unsigned long val;
 411         int ret;
 412
 413         ret = kstrtoul(buf, 0, &val);
 414         if (ret)
 415                 return -EINVAL;
 416
 417         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
 418                 return -ERANGE;
 419
 420         ifmgd->uapsd_max_sp_len = val;
 421
 422         return buflen;
 423 }
 424 IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
 425
 426 /* AP attributes */
 427 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
 428 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
 429 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
 430
 431 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 432         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 433 {
 434         return scnprintf(buf, buflen, "%u\n",
 435                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
 436 }
 437 IEEE80211_IF_FILE_R(num_buffered_multicast);
 438
 439 /* IBSS attributes */
 440 static ssize_t ieee80211_if_fmt_tsf(
 441         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 442 {
 443         struct ieee80211_local *local = sdata->local;
 444         u64 tsf;
 445
 446         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 447
 448         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 449 }
 450
 451 static ssize_t ieee80211_if_parse_tsf(
 452         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 453 {
 454         struct ieee80211_local *local = sdata->local;
 455         unsigned long long tsf;
 456         int ret;
 457         int tsf_is_delta = 0;
 458
 459         if (strncmp(buf, "reset", 5) == 0) {
 460                 if (local->ops->reset_tsf) {
 461                         drv_reset_tsf(local, sdata);
 462                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 463                 }
 464         } else {
 465                 if (buflen > 10 && buf[1] == '=') {
 466                         if (buf[0] == '+')
 467                                 tsf_is_delta = 1;
 468                         else if (buf[0] == '-')
 469                                 tsf_is_delta = -1;
 470                         else
 471                                 return -EINVAL;
 472                         buf += 2;
 473                 }
 474                 ret = kstrtoull(buf, 10, &tsf);
 475                 if (ret < 0)
 476                         return ret;
 477                 if (tsf_is_delta)
 478                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
 479                 if (local->ops->set_tsf) {
 480                         drv_set_tsf(local, sdata, tsf);
 481                         wiphy_info(local->hw.wiphy,
 482                                    "debugfs set TSF to %#018llx\n", tsf);
 483                 }
 484         }
 485
 486         ieee80211_recalc_dtim(local, sdata);
 487         return buflen;
 488 }
 489 IEEE80211_IF_FILE_RW(tsf);
 490
 491
 492 /* WDS attributes */
 493 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 494
 495 #ifdef CONFIG_MAC80211_MESH
 496 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
 497
 498 /* Mesh stats attributes */
 499 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 500 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 501 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 502 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 503 IEEE80211_IF_FILE(dropped_frames_congestion,
 504                   u.mesh.mshstats.dropped_frames_congestion, DEC);
 505 IEEE80211_IF_FILE(dropped_frames_no_route,
 506                   u.mesh.mshstats.dropped_frames_no_route, DEC);
 507
 508 /* Mesh parameters */
 509 IEEE80211_IF_FILE(dot11MeshMaxRetries,
 510                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 511 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 512                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 513 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 514                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 515 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 516                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 517 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 518 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 519 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 520 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 521                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 522 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 523                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 524 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 525                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 526 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
 527                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
 528 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 529                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 530 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 531                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 532 IEEE80211_IF_FILE(path_refresh_time,
 533                   u.mesh.mshcfg.path_refresh_time, DEC);
 534 IEEE80211_IF_FILE(min_discovery_timeout,
 535                   u.mesh.mshcfg.min_discovery_timeout, DEC);
 536 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 537                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 538 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 539                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 540 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 541                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 542 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
 543 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
 544 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
 545 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
 546                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
 547 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
 548                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
 549 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
 550                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
 551 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
 552 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
 553                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
 554 #endif
 555
 556 #define DEBUGFS_ADD_MODE(name, mode) \
 557         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
 558                             sdata, &name##_ops);
 559
 560 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
 561
 562 static void add_common_files(struct ieee80211_sub_if_data *sdata)
 563 {
 564         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 565         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 566         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
 567         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
 568         DEBUGFS_ADD(hw_queues);
 569 }
 570
 571 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 572 {
 573         DEBUGFS_ADD(bssid);
 574         DEBUGFS_ADD(aid);
 575         DEBUGFS_ADD(last_beacon);
 576         DEBUGFS_ADD(ave_beacon);
 577         DEBUGFS_ADD(beacon_timeout);
 578         DEBUGFS_ADD_MODE(smps, 0600);
 579         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 580         DEBUGFS_ADD_MODE(beacon_loss, 0200);
 581         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
 582         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
 583 }
 584
 585 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 586 {
 587         DEBUGFS_ADD(num_mcast_sta);
 588         DEBUGFS_ADD_MODE(smps, 0600);
 589         DEBUGFS_ADD(num_sta_ps);
 590         DEBUGFS_ADD(dtim_count);
 591         DEBUGFS_ADD(num_buffered_multicast);
 592         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 593 }
 594
 595 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 596 {
 597         DEBUGFS_ADD_MODE(tsf, 0600);
 598 }
 599
 600 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 601 {
 602         DEBUGFS_ADD(peer);
 603 }
 604
 605 #ifdef CONFIG_MAC80211_MESH
 606
 607 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
 608 {
 609         DEBUGFS_ADD_MODE(tsf, 0600);
 610         DEBUGFS_ADD_MODE(estab_plinks, 0400);
 611 }
 612
 613 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 614 {
 615         struct dentry *dir = debugfs_create_dir("mesh_stats",
 616                                                 sdata->vif.debugfs_dir);
 617 #define MESHSTATS_ADD(name)\
 618         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 619
 620         MESHSTATS_ADD(fwded_mcast);
 621         MESHSTATS_ADD(fwded_unicast);
 622         MESHSTATS_ADD(fwded_frames);
 623         MESHSTATS_ADD(dropped_frames_ttl);
 624         MESHSTATS_ADD(dropped_frames_no_route);
 625         MESHSTATS_ADD(dropped_frames_congestion);
 626 #undef MESHSTATS_ADD
 627 }
 628
 629 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 630 {
 631         struct dentry *dir = debugfs_create_dir("mesh_config",
 632                                                 sdata->vif.debugfs_dir);
 633
 634 #define MESHPARAMS_ADD(name) \
 635         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 636
 637         MESHPARAMS_ADD(dot11MeshMaxRetries);
 638         MESHPARAMS_ADD(dot11MeshRetryTimeout);
 639         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 640         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 641         MESHPARAMS_ADD(dot11MeshTTL);
 642         MESHPARAMS_ADD(element_ttl);
 643         MESHPARAMS_ADD(auto_open_plinks);
 644         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 645         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 646         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 647         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
 648         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 649         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 650         MESHPARAMS_ADD(path_refresh_time);
 651         MESHPARAMS_ADD(min_discovery_timeout);
 652         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 653         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 654         MESHPARAMS_ADD(dot11MeshForwarding);
 655         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 656         MESHPARAMS_ADD(rssi_threshold);
 657         MESHPARAMS_ADD(ht_opmode);
 658         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
 659         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
 660         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
 661         MESHPARAMS_ADD(power_mode);
 662         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
 663 #undef MESHPARAMS_ADD
 664 }
 665 #endif
 666
 667 static void add_files(struct ieee80211_sub_if_data *sdata)
 668 {
 669         if (!sdata->vif.debugfs_dir)
 670                 return;
 671
 672         DEBUGFS_ADD(flags);
 673         DEBUGFS_ADD(state);
 674         DEBUGFS_ADD(txpower);
 675         DEBUGFS_ADD(user_power_level);
 676         DEBUGFS_ADD(ap_power_level);
 677
 678         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 679                 add_common_files(sdata);
 680
 681         switch (sdata->vif.type) {
 682         case NL80211_IFTYPE_MESH_POINT:
 683 #ifdef CONFIG_MAC80211_MESH
 684                 add_mesh_files(sdata);
 685                 add_mesh_stats(sdata);
 686                 add_mesh_config(sdata);
 687 #endif
 688                 break;
 689         case NL80211_IFTYPE_STATION:
 690                 add_sta_files(sdata);
 691                 break;
 692         case NL80211_IFTYPE_ADHOC:
 693                 add_ibss_files(sdata);
 694                 break;
 695         case NL80211_IFTYPE_AP:
 696                 add_ap_files(sdata);
 697                 break;
 698         case NL80211_IFTYPE_WDS:
 699                 add_wds_files(sdata);
 700                 break;
 701         default:
 702                 break;
 703         }
 704 }
 705
 706 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 707 {
 708         char buf[10+IFNAMSIZ];
 709
 710         sprintf(buf, "netdev:%s", sdata->name);
 711         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
 712                 sdata->local->hw.wiphy->debugfsdir);
 713         if (sdata->vif.debugfs_dir)
 714                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 715                         sdata->vif.debugfs_dir);
 716         add_files(sdata);
 717 }
 718
 719 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 720 {
 721         if (!sdata->vif.debugfs_dir)
 722                 return;
 723
 724         debugfs_remove_recursive(sdata->vif.debugfs_dir);
 725         sdata->vif.debugfs_dir = NULL;
 726 }
 727
 728 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 729 {
 730         struct dentry *dir;
 731         char buf[10 + IFNAMSIZ];
 732
 733         dir = sdata->vif.debugfs_dir;
 734
 735         if (!dir)
 736                 return;
 737
 738         sprintf(buf, "netdev:%s", sdata->name);
 739         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 740                 sdata_err(sdata,
 741                           "debugfs: failed to rename debugfs dir to %s\n",
 742                           buf);
 743 }