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         if (sdata->dev->reg_state == NETREG_REGISTERED)
  38                 ret = (*format)(sdata, buf, sizeof(buf));
  39         read_unlock(&dev_base_lock);
  40
  41         if (ret >= 0)
  42                 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
  43
  44         return ret;
  45 }
  46
  47 static ssize_t ieee80211_if_write(
  48         struct ieee80211_sub_if_data *sdata,
  49         const char __user *userbuf,
  50         size_t count, loff_t *ppos,
  51         ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
  52 {
  53         char buf[64];
  54         ssize_t ret;
  55
  56         if (count >= sizeof(buf))
  57                 return -E2BIG;
  58
  59         if (copy_from_user(buf, userbuf, count))
  60                 return -EFAULT;
  61         buf[count] = '\0';
  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         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_HEXARRAY(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         char *p = buf;                                                  \
  94         int i;                                                          \
  95         for (i = 0; i < sizeof(sdata->field); i++) {                    \
  96                 p += scnprintf(p, buflen + buf - p, "%.2x ",            \
  97                                  sdata->field[i]);                      \
  98         }                                                               \
  99         p += scnprintf(p, buflen + buf - p, "\n");                      \
 100         return p - buf;                                                 \
 101 }
 102
 103 #define IEEE80211_IF_FMT_ATOMIC(name, field)                            \
 104 static ssize_t ieee80211_if_fmt_##name(                                 \
 105         const struct ieee80211_sub_if_data *sdata,                      \
 106         char *buf, int buflen)                                          \
 107 {                                                                       \
 108         return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
 109 }
 110
 111 #define IEEE80211_IF_FMT_MAC(name, field)                               \
 112 static ssize_t ieee80211_if_fmt_##name(                                 \
 113         const struct ieee80211_sub_if_data *sdata, char *buf,           \
 114         int buflen)                                                     \
 115 {                                                                       \
 116         return scnprintf(buf, buflen, "%pM\n", sdata->field);           \
 117 }
 118
 119 #define IEEE80211_IF_FMT_DEC_DIV_16(name, field)                        \
 120 static ssize_t ieee80211_if_fmt_##name(                                 \
 121         const struct ieee80211_sub_if_data *sdata,                      \
 122         char *buf, int buflen)                                          \
 123 {                                                                       \
 124         return scnprintf(buf, buflen, "%d\n", sdata->field / 16);       \
 125 }
 126
 127 #define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, field)                     \
 128 static ssize_t ieee80211_if_fmt_##name(                                 \
 129         const struct ieee80211_sub_if_data *sdata,                      \
 130         char *buf, int buflen)                                          \
 131 {                                                                       \
 132         return scnprintf(buf, buflen, "%d\n",                           \
 133                          jiffies_to_msecs(sdata->field));               \
 134 }
 135
 136 #define _IEEE80211_IF_FILE_OPS(name, _read, _write)                     \
 137 static const struct file_operations name##_ops = {                      \
 138         .read = (_read),                                                \
 139         .write = (_write),                                              \
 140         .open = simple_open,                                            \
 141         .llseek = generic_file_llseek,                                  \
 142 }
 143
 144 #define _IEEE80211_IF_FILE_R_FN(name)                                   \
 145 static ssize_t ieee80211_if_read_##name(struct file *file,              \
 146                                         char __user *userbuf,           \
 147                                         size_t count, loff_t *ppos)     \
 148 {                                                                       \
 149         return ieee80211_if_read(file->private_data,                    \
 150                                  userbuf, count, ppos,                  \
 151                                  ieee80211_if_fmt_##name);              \
 152 }
 153
 154 #define _IEEE80211_IF_FILE_W_FN(name)                                   \
 155 static ssize_t ieee80211_if_write_##name(struct file *file,             \
 156                                          const char __user *userbuf,    \
 157                                          size_t count, loff_t *ppos)    \
 158 {                                                                       \
 159         return ieee80211_if_write(file->private_data, userbuf, count,   \
 160                                   ppos, ieee80211_if_parse_##name);     \
 161 }
 162
 163 #define IEEE80211_IF_FILE_R(name)                                       \
 164         _IEEE80211_IF_FILE_R_FN(name)                                   \
 165         _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
 166
 167 #define IEEE80211_IF_FILE_W(name)                                       \
 168         _IEEE80211_IF_FILE_W_FN(name)                                   \
 169         _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
 170
 171 #define IEEE80211_IF_FILE_RW(name)                                      \
 172         _IEEE80211_IF_FILE_R_FN(name)                                   \
 173         _IEEE80211_IF_FILE_W_FN(name)                                   \
 174         _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name,          \
 175                                ieee80211_if_write_##name)
 176
 177 #define IEEE80211_IF_FILE(name, field, format)                          \
 178         IEEE80211_IF_FMT_##format(name, field)                          \
 179         IEEE80211_IF_FILE_R(name)
 180
 181 /* common attributes */
 182 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
 183 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
 184                   HEX);
 185 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
 186                   HEX);
 187 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
 188                   rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
 189 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
 190                   rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
 191
 192 IEEE80211_IF_FILE(flags, flags, HEX);
 193 IEEE80211_IF_FILE(state, state, LHEX);
 194 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
 195 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
 196 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
 197
 198 static ssize_t
 199 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
 200                            char *buf, int buflen)
 201 {
 202         int len;
 203
 204         len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
 205                         sdata->vif.hw_queue[IEEE80211_AC_VO],
 206                         sdata->vif.hw_queue[IEEE80211_AC_VI],
 207                         sdata->vif.hw_queue[IEEE80211_AC_BE],
 208                         sdata->vif.hw_queue[IEEE80211_AC_BK]);
 209
 210         if (sdata->vif.type == NL80211_IFTYPE_AP)
 211                 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
 212                                  sdata->vif.cab_queue);
 213
 214         return len;
 215 }
 216 IEEE80211_IF_FILE_R(hw_queues);
 217
 218 /* STA attributes */
 219 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
 220 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
 221 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
 222 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
 223 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
 224
 225 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
 226                               enum ieee80211_smps_mode smps_mode)
 227 {
 228         struct ieee80211_local *local = sdata->local;
 229         int err;
 230
 231         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
 232             smps_mode == IEEE80211_SMPS_STATIC)
 233                 return -EINVAL;
 234
 235         /* auto should be dynamic if in PS mode */
 236         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
 237             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
 238              smps_mode == IEEE80211_SMPS_AUTOMATIC))
 239                 return -EINVAL;
 240
 241         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 242             sdata->vif.type != NL80211_IFTYPE_AP)
 243                 return -EOPNOTSUPP;
 244
 245         sdata_lock(sdata);
 246         if (sdata->vif.type == NL80211_IFTYPE_STATION)
 247                 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
 248         else
 249                 err = __ieee80211_request_smps_ap(sdata, smps_mode);
 250         sdata_unlock(sdata);
 251
 252         return err;
 253 }
 254
 255 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
 256         [IEEE80211_SMPS_AUTOMATIC] = "auto",
 257         [IEEE80211_SMPS_OFF] = "off",
 258         [IEEE80211_SMPS_STATIC] = "static",
 259         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
 260 };
 261
 262 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
 263                                      char *buf, int buflen)
 264 {
 265         if (sdata->vif.type == NL80211_IFTYPE_STATION)
 266                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
 267                                 smps_modes[sdata->u.mgd.req_smps],
 268                                 smps_modes[sdata->smps_mode]);
 269         if (sdata->vif.type == NL80211_IFTYPE_AP)
 270                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
 271                                 smps_modes[sdata->u.ap.req_smps],
 272                                 smps_modes[sdata->smps_mode]);
 273         return -EINVAL;
 274 }
 275
 276 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
 277                                        const char *buf, int buflen)
 278 {
 279         enum ieee80211_smps_mode mode;
 280
 281         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
 282                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
 283                         int err = ieee80211_set_smps(sdata, mode);
 284                         if (!err)
 285                                 return buflen;
 286                         return err;
 287                 }
 288         }
 289
 290         return -EINVAL;
 291 }
 292 IEEE80211_IF_FILE_RW(smps);
 293
 294 static ssize_t ieee80211_if_parse_tkip_mic_test(
 295         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 296 {
 297         struct ieee80211_local *local = sdata->local;
 298         u8 addr[ETH_ALEN];
 299         struct sk_buff *skb;
 300         struct ieee80211_hdr *hdr;
 301         __le16 fc;
 302
 303         if (!mac_pton(buf, addr))
 304                 return -EINVAL;
 305
 306         if (!ieee80211_sdata_running(sdata))
 307                 return -ENOTCONN;
 308
 309         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
 310         if (!skb)
 311                 return -ENOMEM;
 312         skb_reserve(skb, local->hw.extra_tx_headroom);
 313
 314         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
 315         memset(hdr, 0, 24);
 316         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 317
 318         switch (sdata->vif.type) {
 319         case NL80211_IFTYPE_AP:
 320                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 321                 /* DA BSSID SA */
 322                 memcpy(hdr->addr1, addr, ETH_ALEN);
 323                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 324                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
 325                 break;
 326         case NL80211_IFTYPE_STATION:
 327                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 328                 /* BSSID SA DA */
 329                 sdata_lock(sdata);
 330                 if (!sdata->u.mgd.associated) {
 331                         sdata_unlock(sdata);
 332                         dev_kfree_skb(skb);
 333                         return -ENOTCONN;
 334                 }
 335                 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
 336                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 337                 memcpy(hdr->addr3, addr, ETH_ALEN);
 338                 sdata_unlock(sdata);
 339                 break;
 340         default:
 341                 dev_kfree_skb(skb);
 342                 return -EOPNOTSUPP;
 343         }
 344         hdr->frame_control = fc;
 345
 346         /*
 347          * Add some length to the test frame to make it look bit more valid.
 348          * The exact contents does not matter since the recipient is required
 349          * to drop this because of the Michael MIC failure.
 350          */
 351         memset(skb_put(skb, 50), 0, 50);
 352
 353         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
 354
 355         ieee80211_tx_skb(sdata, skb);
 356
 357         return buflen;
 358 }
 359 IEEE80211_IF_FILE_W(tkip_mic_test);
 360
 361 static ssize_t ieee80211_if_parse_beacon_loss(
 362         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 363 {
 364         if (!ieee80211_sdata_running(sdata) || !sdata->vif.bss_conf.assoc)
 365                 return -ENOTCONN;
 366
 367         ieee80211_beacon_loss(&sdata->vif);
 368
 369         return buflen;
 370 }
 371 IEEE80211_IF_FILE_W(beacon_loss);
 372
 373 static ssize_t ieee80211_if_fmt_uapsd_queues(
 374         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 375 {
 376         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 377
 378         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
 379 }
 380
 381 static ssize_t ieee80211_if_parse_uapsd_queues(
 382         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 383 {
 384         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 385         u8 val;
 386         int ret;
 387
 388         ret = kstrtou8(buf, 0, &val);
 389         if (ret)
 390                 return ret;
 391
 392         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
 393                 return -ERANGE;
 394
 395         ifmgd->uapsd_queues = val;
 396
 397         return buflen;
 398 }
 399 IEEE80211_IF_FILE_RW(uapsd_queues);
 400
 401 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
 402         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 403 {
 404         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 405
 406         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
 407 }
 408
 409 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
 410         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 411 {
 412         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 413         unsigned long val;
 414         int ret;
 415
 416         ret = kstrtoul(buf, 0, &val);
 417         if (ret)
 418                 return -EINVAL;
 419
 420         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
 421                 return -ERANGE;
 422
 423         ifmgd->uapsd_max_sp_len = val;
 424
 425         return buflen;
 426 }
 427 IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
 428
 429 /* AP attributes */
 430 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
 431 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
 432 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
 433
 434 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 435         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 436 {
 437         return scnprintf(buf, buflen, "%u\n",
 438                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
 439 }
 440 IEEE80211_IF_FILE_R(num_buffered_multicast);
 441
 442 /* IBSS attributes */
 443 static ssize_t ieee80211_if_fmt_tsf(
 444         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 445 {
 446         struct ieee80211_local *local = sdata->local;
 447         u64 tsf;
 448
 449         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 450
 451         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 452 }
 453
 454 static ssize_t ieee80211_if_parse_tsf(
 455         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 456 {
 457         struct ieee80211_local *local = sdata->local;
 458         unsigned long long tsf;
 459         int ret;
 460         int tsf_is_delta = 0;
 461
 462         if (strncmp(buf, "reset", 5) == 0) {
 463                 if (local->ops->reset_tsf) {
 464                         drv_reset_tsf(local, sdata);
 465                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 466                 }
 467         } else {
 468                 if (buflen > 10 && buf[1] == '=') {
 469                         if (buf[0] == '+')
 470                                 tsf_is_delta = 1;
 471                         else if (buf[0] == '-')
 472                                 tsf_is_delta = -1;
 473                         else
 474                                 return -EINVAL;
 475                         buf += 2;
 476                 }
 477                 ret = kstrtoull(buf, 10, &tsf);
 478                 if (ret < 0)
 479                         return ret;
 480                 if (tsf_is_delta)
 481                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
 482                 if (local->ops->set_tsf) {
 483                         drv_set_tsf(local, sdata, tsf);
 484                         wiphy_info(local->hw.wiphy,
 485                                    "debugfs set TSF to %#018llx\n", tsf);
 486                 }
 487         }
 488
 489         ieee80211_recalc_dtim(local, sdata);
 490         return buflen;
 491 }
 492 IEEE80211_IF_FILE_RW(tsf);
 493
 494
 495 /* WDS attributes */
 496 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 497
 498 #ifdef CONFIG_MAC80211_MESH
 499 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
 500
 501 /* Mesh stats attributes */
 502 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 503 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 504 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 505 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 506 IEEE80211_IF_FILE(dropped_frames_congestion,
 507                   u.mesh.mshstats.dropped_frames_congestion, DEC);
 508 IEEE80211_IF_FILE(dropped_frames_no_route,
 509                   u.mesh.mshstats.dropped_frames_no_route, DEC);
 510
 511 /* Mesh parameters */
 512 IEEE80211_IF_FILE(dot11MeshMaxRetries,
 513                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 514 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 515                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 516 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 517                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 518 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 519                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 520 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 521 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 522 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 523 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 524                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 525 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 526                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 527 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 528                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 529 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
 530                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
 531 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 532                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 533 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 534                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 535 IEEE80211_IF_FILE(path_refresh_time,
 536                   u.mesh.mshcfg.path_refresh_time, DEC);
 537 IEEE80211_IF_FILE(min_discovery_timeout,
 538                   u.mesh.mshcfg.min_discovery_timeout, DEC);
 539 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 540                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 541 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 542                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 543 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 544                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 545 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
 546 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
 547 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
 548 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
 549                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
 550 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
 551                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
 552 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
 553                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
 554 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
 555 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
 556                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
 557 #endif
 558
 559 #define DEBUGFS_ADD_MODE(name, mode) \
 560         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
 561                             sdata, &name##_ops);
 562
 563 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
 564
 565 static void add_common_files(struct ieee80211_sub_if_data *sdata)
 566 {
 567         DEBUGFS_ADD(drop_unencrypted);
 568         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 569         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 570         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
 571         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
 572         DEBUGFS_ADD(hw_queues);
 573 }
 574
 575 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 576 {
 577         DEBUGFS_ADD(bssid);
 578         DEBUGFS_ADD(aid);
 579         DEBUGFS_ADD(last_beacon);
 580         DEBUGFS_ADD(ave_beacon);
 581         DEBUGFS_ADD(beacon_timeout);
 582         DEBUGFS_ADD_MODE(smps, 0600);
 583         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 584         DEBUGFS_ADD_MODE(beacon_loss, 0200);
 585         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
 586         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
 587 }
 588
 589 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 590 {
 591         DEBUGFS_ADD(num_mcast_sta);
 592         DEBUGFS_ADD_MODE(smps, 0600);
 593         DEBUGFS_ADD(num_sta_ps);
 594         DEBUGFS_ADD(dtim_count);
 595         DEBUGFS_ADD(num_buffered_multicast);
 596         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 597 }
 598
 599 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 600 {
 601         DEBUGFS_ADD_MODE(tsf, 0600);
 602 }
 603
 604 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 605 {
 606         DEBUGFS_ADD(peer);
 607 }
 608
 609 #ifdef CONFIG_MAC80211_MESH
 610
 611 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
 612 {
 613         DEBUGFS_ADD_MODE(tsf, 0600);
 614         DEBUGFS_ADD_MODE(estab_plinks, 0400);
 615 }
 616
 617 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 618 {
 619         struct dentry *dir = debugfs_create_dir("mesh_stats",
 620                                                 sdata->vif.debugfs_dir);
 621 #define MESHSTATS_ADD(name)\
 622         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 623
 624         MESHSTATS_ADD(fwded_mcast);
 625         MESHSTATS_ADD(fwded_unicast);
 626         MESHSTATS_ADD(fwded_frames);
 627         MESHSTATS_ADD(dropped_frames_ttl);
 628         MESHSTATS_ADD(dropped_frames_no_route);
 629         MESHSTATS_ADD(dropped_frames_congestion);
 630 #undef MESHSTATS_ADD
 631 }
 632
 633 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 634 {
 635         struct dentry *dir = debugfs_create_dir("mesh_config",
 636                                                 sdata->vif.debugfs_dir);
 637
 638 #define MESHPARAMS_ADD(name) \
 639         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 640
 641         MESHPARAMS_ADD(dot11MeshMaxRetries);
 642         MESHPARAMS_ADD(dot11MeshRetryTimeout);
 643         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 644         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 645         MESHPARAMS_ADD(dot11MeshTTL);
 646         MESHPARAMS_ADD(element_ttl);
 647         MESHPARAMS_ADD(auto_open_plinks);
 648         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 649         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 650         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 651         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
 652         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 653         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 654         MESHPARAMS_ADD(path_refresh_time);
 655         MESHPARAMS_ADD(min_discovery_timeout);
 656         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 657         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 658         MESHPARAMS_ADD(dot11MeshForwarding);
 659         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 660         MESHPARAMS_ADD(rssi_threshold);
 661         MESHPARAMS_ADD(ht_opmode);
 662         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
 663         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
 664         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
 665         MESHPARAMS_ADD(power_mode);
 666         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
 667 #undef MESHPARAMS_ADD
 668 }
 669 #endif
 670
 671 static void add_files(struct ieee80211_sub_if_data *sdata)
 672 {
 673         if (!sdata->vif.debugfs_dir)
 674                 return;
 675
 676         DEBUGFS_ADD(flags);
 677         DEBUGFS_ADD(state);
 678         DEBUGFS_ADD(txpower);
 679         DEBUGFS_ADD(user_power_level);
 680         DEBUGFS_ADD(ap_power_level);
 681
 682         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 683                 add_common_files(sdata);
 684
 685         switch (sdata->vif.type) {
 686         case NL80211_IFTYPE_MESH_POINT:
 687 #ifdef CONFIG_MAC80211_MESH
 688                 add_mesh_files(sdata);
 689                 add_mesh_stats(sdata);
 690                 add_mesh_config(sdata);
 691 #endif
 692                 break;
 693         case NL80211_IFTYPE_STATION:
 694                 add_sta_files(sdata);
 695                 break;
 696         case NL80211_IFTYPE_ADHOC:
 697                 add_ibss_files(sdata);
 698                 break;
 699         case NL80211_IFTYPE_AP:
 700                 add_ap_files(sdata);
 701                 break;
 702         case NL80211_IFTYPE_WDS:
 703                 add_wds_files(sdata);
 704                 break;
 705         default:
 706                 break;
 707         }
 708 }
 709
 710 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 711 {
 712         char buf[10+IFNAMSIZ];
 713
 714         sprintf(buf, "netdev:%s", sdata->name);
 715         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
 716                 sdata->local->hw.wiphy->debugfsdir);
 717         if (sdata->vif.debugfs_dir)
 718                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 719                         sdata->vif.debugfs_dir);
 720         add_files(sdata);
 721 }
 722
 723 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 724 {
 725         if (!sdata->vif.debugfs_dir)
 726                 return;
 727
 728         debugfs_remove_recursive(sdata->vif.debugfs_dir);
 729         sdata->vif.debugfs_dir = NULL;
 730 }
 731
 732 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 733 {
 734         struct dentry *dir;
 735         char buf[10 + IFNAMSIZ];
 736
 737         dir = sdata->vif.debugfs_dir;
 738
 739         if (!dir)
 740                 return;
 741
 742         sprintf(buf, "netdev:%s", sdata->name);
 743         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 744                 sdata_err(sdata,
 745                           "debugfs: failed to rename debugfs dir to %s\n",
 746                           buf);
 747 }