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/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(drop_unencrypted, drop_unencrypted, DEC);
 181 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
 182                   HEX);
 183 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
 184                   HEX);
 185 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
 186                   rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
 187 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
 188                   rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
 189
 190 IEEE80211_IF_FILE(flags, flags, HEX);
 191 IEEE80211_IF_FILE(state, state, LHEX);
 192 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
 193 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
 194 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
 195
 196 static ssize_t
 197 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
 198                            char *buf, int buflen)
 199 {
 200         int len;
 201
 202         len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
 203                         sdata->vif.hw_queue[IEEE80211_AC_VO],
 204                         sdata->vif.hw_queue[IEEE80211_AC_VI],
 205                         sdata->vif.hw_queue[IEEE80211_AC_BE],
 206                         sdata->vif.hw_queue[IEEE80211_AC_BK]);
 207
 208         if (sdata->vif.type == NL80211_IFTYPE_AP)
 209                 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
 210                                  sdata->vif.cab_queue);
 211
 212         return len;
 213 }
 214 IEEE80211_IF_FILE_R(hw_queues);
 215
 216 /* STA attributes */
 217 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
 218 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
 219 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
 220 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
 221 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
 222
 223 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
 224                               enum ieee80211_smps_mode smps_mode)
 225 {
 226         struct ieee80211_local *local = sdata->local;
 227         int err;
 228
 229         if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&
 230             smps_mode == IEEE80211_SMPS_STATIC)
 231                 return -EINVAL;
 232
 233         /* auto should be dynamic if in PS mode */
 234         if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) &&
 235             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
 236              smps_mode == IEEE80211_SMPS_AUTOMATIC))
 237                 return -EINVAL;
 238
 239         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 240             sdata->vif.type != NL80211_IFTYPE_AP)
 241                 return -EOPNOTSUPP;
 242
 243         sdata_lock(sdata);
 244         if (sdata->vif.type == NL80211_IFTYPE_STATION)
 245                 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
 246         else
 247                 err = __ieee80211_request_smps_ap(sdata, smps_mode);
 248         sdata_unlock(sdata);
 249
 250         return err;
 251 }
 252
 253 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
 254         [IEEE80211_SMPS_AUTOMATIC] = "auto",
 255         [IEEE80211_SMPS_OFF] = "off",
 256         [IEEE80211_SMPS_STATIC] = "static",
 257         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
 258 };
 259
 260 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
 261                                      char *buf, int buflen)
 262 {
 263         if (sdata->vif.type == NL80211_IFTYPE_STATION)
 264                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
 265                                 smps_modes[sdata->u.mgd.req_smps],
 266                                 smps_modes[sdata->smps_mode]);
 267         if (sdata->vif.type == NL80211_IFTYPE_AP)
 268                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
 269                                 smps_modes[sdata->u.ap.req_smps],
 270                                 smps_modes[sdata->smps_mode]);
 271         return -EINVAL;
 272 }
 273
 274 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
 275                                        const char *buf, int buflen)
 276 {
 277         enum ieee80211_smps_mode mode;
 278
 279         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
 280                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
 281                         int err = ieee80211_set_smps(sdata, mode);
 282                         if (!err)
 283                                 return buflen;
 284                         return err;
 285                 }
 286         }
 287
 288         return -EINVAL;
 289 }
 290 IEEE80211_IF_FILE_RW(smps);
 291
 292 static ssize_t ieee80211_if_parse_tkip_mic_test(
 293         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 294 {
 295         struct ieee80211_local *local = sdata->local;
 296         u8 addr[ETH_ALEN];
 297         struct sk_buff *skb;
 298         struct ieee80211_hdr *hdr;
 299         __le16 fc;
 300
 301         if (!mac_pton(buf, addr))
 302                 return -EINVAL;
 303
 304         if (!ieee80211_sdata_running(sdata))
 305                 return -ENOTCONN;
 306
 307         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
 308         if (!skb)
 309                 return -ENOMEM;
 310         skb_reserve(skb, local->hw.extra_tx_headroom);
 311
 312         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
 313         memset(hdr, 0, 24);
 314         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 315
 316         switch (sdata->vif.type) {
 317         case NL80211_IFTYPE_AP:
 318                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 319                 /* DA BSSID SA */
 320                 memcpy(hdr->addr1, addr, ETH_ALEN);
 321                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 322                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
 323                 break;
 324         case NL80211_IFTYPE_STATION:
 325                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 326                 /* BSSID SA DA */
 327                 sdata_lock(sdata);
 328                 if (!sdata->u.mgd.associated) {
 329                         sdata_unlock(sdata);
 330                         dev_kfree_skb(skb);
 331                         return -ENOTCONN;
 332                 }
 333                 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
 334                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 335                 memcpy(hdr->addr3, addr, ETH_ALEN);
 336                 sdata_unlock(sdata);
 337                 break;
 338         default:
 339                 dev_kfree_skb(skb);
 340                 return -EOPNOTSUPP;
 341         }
 342         hdr->frame_control = fc;
 343
 344         /*
 345          * Add some length to the test frame to make it look bit more valid.
 346          * The exact contents does not matter since the recipient is required
 347          * to drop this because of the Michael MIC failure.
 348          */
 349         memset(skb_put(skb, 50), 0, 50);
 350
 351         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
 352
 353         ieee80211_tx_skb(sdata, skb);
 354
 355         return buflen;
 356 }
 357 IEEE80211_IF_FILE_W(tkip_mic_test);
 358
 359 static ssize_t ieee80211_if_parse_beacon_loss(
 360         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 361 {
 362         if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
 363                 return -ENOTCONN;
 364
 365         ieee80211_beacon_loss(&sdata->vif);
 366
 367         return buflen;
 368 }
 369 IEEE80211_IF_FILE_W(beacon_loss);
 370
 371 static ssize_t ieee80211_if_fmt_uapsd_queues(
 372         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 373 {
 374         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 375
 376         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
 377 }
 378
 379 static ssize_t ieee80211_if_parse_uapsd_queues(
 380         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 381 {
 382         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 383         u8 val;
 384         int ret;
 385
 386         ret = kstrtou8(buf, 0, &val);
 387         if (ret)
 388                 return ret;
 389
 390         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
 391                 return -ERANGE;
 392
 393         ifmgd->uapsd_queues = val;
 394
 395         return buflen;
 396 }
 397 IEEE80211_IF_FILE_RW(uapsd_queues);
 398
 399 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
 400         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 401 {
 402         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 403
 404         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
 405 }
 406
 407 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
 408         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 409 {
 410         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 411         unsigned long val;
 412         int ret;
 413
 414         ret = kstrtoul(buf, 0, &val);
 415         if (ret)
 416                 return -EINVAL;
 417
 418         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
 419                 return -ERANGE;
 420
 421         ifmgd->uapsd_max_sp_len = val;
 422
 423         return buflen;
 424 }
 425 IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
 426
 427 /* AP attributes */
 428 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
 429 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
 430 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
 431
 432 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 433         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 434 {
 435         return scnprintf(buf, buflen, "%u\n",
 436                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
 437 }
 438 IEEE80211_IF_FILE_R(num_buffered_multicast);
 439
 440 /* IBSS attributes */
 441 static ssize_t ieee80211_if_fmt_tsf(
 442         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 443 {
 444         struct ieee80211_local *local = sdata->local;
 445         u64 tsf;
 446
 447         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 448
 449         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 450 }
 451
 452 static ssize_t ieee80211_if_parse_tsf(
 453         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 454 {
 455         struct ieee80211_local *local = sdata->local;
 456         unsigned long long tsf;
 457         int ret;
 458         int tsf_is_delta = 0;
 459
 460         if (strncmp(buf, "reset", 5) == 0) {
 461                 if (local->ops->reset_tsf) {
 462                         drv_reset_tsf(local, sdata);
 463                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 464                 }
 465         } else {
 466                 if (buflen > 10 && buf[1] == '=') {
 467                         if (buf[0] == '+')
 468                                 tsf_is_delta = 1;
 469                         else if (buf[0] == '-')
 470                                 tsf_is_delta = -1;
 471                         else
 472                                 return -EINVAL;
 473                         buf += 2;
 474                 }
 475                 ret = kstrtoull(buf, 10, &tsf);
 476                 if (ret < 0)
 477                         return ret;
 478                 if (tsf_is_delta)
 479                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
 480                 if (local->ops->set_tsf) {
 481                         drv_set_tsf(local, sdata, tsf);
 482                         wiphy_info(local->hw.wiphy,
 483                                    "debugfs set TSF to %#018llx\n", tsf);
 484                 }
 485         }
 486
 487         ieee80211_recalc_dtim(local, sdata);
 488         return buflen;
 489 }
 490 IEEE80211_IF_FILE_RW(tsf);
 491
 492
 493 /* WDS attributes */
 494 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 495
 496 #ifdef CONFIG_MAC80211_MESH
 497 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
 498
 499 /* Mesh stats attributes */
 500 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 501 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 502 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 503 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 504 IEEE80211_IF_FILE(dropped_frames_congestion,
 505                   u.mesh.mshstats.dropped_frames_congestion, DEC);
 506 IEEE80211_IF_FILE(dropped_frames_no_route,
 507                   u.mesh.mshstats.dropped_frames_no_route, DEC);
 508
 509 /* Mesh parameters */
 510 IEEE80211_IF_FILE(dot11MeshMaxRetries,
 511                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 512 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 513                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 514 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 515                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 516 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 517                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 518 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 519 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 520 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 521 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 522                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 523 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 524                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 525 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 526                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 527 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
 528                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
 529 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 530                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 531 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 532                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 533 IEEE80211_IF_FILE(path_refresh_time,
 534                   u.mesh.mshcfg.path_refresh_time, DEC);
 535 IEEE80211_IF_FILE(min_discovery_timeout,
 536                   u.mesh.mshcfg.min_discovery_timeout, DEC);
 537 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 538                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 539 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 540                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 541 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 542                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 543 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
 544 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
 545 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
 546 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
 547                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
 548 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
 549                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
 550 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
 551                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
 552 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
 553 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
 554                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
 555 #endif
 556
 557 #define DEBUGFS_ADD_MODE(name, mode) \
 558         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
 559                             sdata, &name##_ops);
 560
 561 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
 562
 563 static void add_common_files(struct ieee80211_sub_if_data *sdata)
 564 {
 565         DEBUGFS_ADD(drop_unencrypted);
 566         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 567         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 568         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
 569         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
 570         DEBUGFS_ADD(hw_queues);
 571 }
 572
 573 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 574 {
 575         DEBUGFS_ADD(bssid);
 576         DEBUGFS_ADD(aid);
 577         DEBUGFS_ADD(last_beacon);
 578         DEBUGFS_ADD(ave_beacon);
 579         DEBUGFS_ADD(beacon_timeout);
 580         DEBUGFS_ADD_MODE(smps, 0600);
 581         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 582         DEBUGFS_ADD_MODE(beacon_loss, 0200);
 583         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
 584         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
 585 }
 586
 587 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 588 {
 589         DEBUGFS_ADD(num_mcast_sta);
 590         DEBUGFS_ADD_MODE(smps, 0600);
 591         DEBUGFS_ADD(num_sta_ps);
 592         DEBUGFS_ADD(dtim_count);
 593         DEBUGFS_ADD(num_buffered_multicast);
 594         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 595 }
 596
 597 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 598 {
 599         DEBUGFS_ADD_MODE(tsf, 0600);
 600 }
 601
 602 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 603 {
 604         DEBUGFS_ADD(peer);
 605 }
 606
 607 #ifdef CONFIG_MAC80211_MESH
 608
 609 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
 610 {
 611         DEBUGFS_ADD_MODE(tsf, 0600);
 612         DEBUGFS_ADD_MODE(estab_plinks, 0400);
 613 }
 614
 615 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 616 {
 617         struct dentry *dir = debugfs_create_dir("mesh_stats",
 618                                                 sdata->vif.debugfs_dir);
 619 #define MESHSTATS_ADD(name)\
 620         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 621
 622         MESHSTATS_ADD(fwded_mcast);
 623         MESHSTATS_ADD(fwded_unicast);
 624         MESHSTATS_ADD(fwded_frames);
 625         MESHSTATS_ADD(dropped_frames_ttl);
 626         MESHSTATS_ADD(dropped_frames_no_route);
 627         MESHSTATS_ADD(dropped_frames_congestion);
 628 #undef MESHSTATS_ADD
 629 }
 630
 631 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 632 {
 633         struct dentry *dir = debugfs_create_dir("mesh_config",
 634                                                 sdata->vif.debugfs_dir);
 635
 636 #define MESHPARAMS_ADD(name) \
 637         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 638
 639         MESHPARAMS_ADD(dot11MeshMaxRetries);
 640         MESHPARAMS_ADD(dot11MeshRetryTimeout);
 641         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 642         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 643         MESHPARAMS_ADD(dot11MeshTTL);
 644         MESHPARAMS_ADD(element_ttl);
 645         MESHPARAMS_ADD(auto_open_plinks);
 646         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 647         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 648         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 649         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
 650         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 651         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 652         MESHPARAMS_ADD(path_refresh_time);
 653         MESHPARAMS_ADD(min_discovery_timeout);
 654         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 655         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 656         MESHPARAMS_ADD(dot11MeshForwarding);
 657         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 658         MESHPARAMS_ADD(rssi_threshold);
 659         MESHPARAMS_ADD(ht_opmode);
 660         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
 661         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
 662         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
 663         MESHPARAMS_ADD(power_mode);
 664         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
 665 #undef MESHPARAMS_ADD
 666 }
 667 #endif
 668
 669 static void add_files(struct ieee80211_sub_if_data *sdata)
 670 {
 671         if (!sdata->vif.debugfs_dir)
 672                 return;
 673
 674         DEBUGFS_ADD(flags);
 675         DEBUGFS_ADD(state);
 676         DEBUGFS_ADD(txpower);
 677         DEBUGFS_ADD(user_power_level);
 678         DEBUGFS_ADD(ap_power_level);
 679
 680         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 681                 add_common_files(sdata);
 682
 683         switch (sdata->vif.type) {
 684         case NL80211_IFTYPE_MESH_POINT:
 685 #ifdef CONFIG_MAC80211_MESH
 686                 add_mesh_files(sdata);
 687                 add_mesh_stats(sdata);
 688                 add_mesh_config(sdata);
 689 #endif
 690                 break;
 691         case NL80211_IFTYPE_STATION:
 692                 add_sta_files(sdata);
 693                 break;
 694         case NL80211_IFTYPE_ADHOC:
 695                 add_ibss_files(sdata);
 696                 break;
 697         case NL80211_IFTYPE_AP:
 698                 add_ap_files(sdata);
 699                 break;
 700         case NL80211_IFTYPE_WDS:
 701                 add_wds_files(sdata);
 702                 break;
 703         default:
 704                 break;
 705         }
 706 }
 707
 708 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 709 {
 710         char buf[10+IFNAMSIZ];
 711
 712         sprintf(buf, "netdev:%s", sdata->name);
 713         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
 714                 sdata->local->hw.wiphy->debugfsdir);
 715         if (sdata->vif.debugfs_dir)
 716                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 717                         sdata->vif.debugfs_dir);
 718         add_files(sdata);
 719 }
 720
 721 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 722 {
 723         if (!sdata->vif.debugfs_dir)
 724                 return;
 725
 726         debugfs_remove_recursive(sdata->vif.debugfs_dir);
 727         sdata->vif.debugfs_dir = NULL;
 728 }
 729
 730 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 731 {
 732         struct dentry *dir;
 733         char buf[10 + IFNAMSIZ];
 734
 735         dir = sdata->vif.debugfs_dir;
 736
 737         if (!dir)
 738                 return;
 739
 740         sprintf(buf, "netdev:%s", sdata->name);
 741         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 742                 sdata_err(sdata,
 743                           "debugfs: failed to rename debugfs dir to %s\n",
 744                           buf);
 745 }