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.flags & IEEE80211_HW_SUPPORTS_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.flags & IEEE80211_HW_SUPPORTS_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_fmt_uapsd_queues(
 360         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 361 {
 362         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 363
 364         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
 365 }
 366
 367 static ssize_t ieee80211_if_parse_uapsd_queues(
 368         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 369 {
 370         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 371         u8 val;
 372         int ret;
 373
 374         ret = kstrtou8(buf, 0, &val);
 375         if (ret)
 376                 return ret;
 377
 378         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
 379                 return -ERANGE;
 380
 381         ifmgd->uapsd_queues = val;
 382
 383         return buflen;
 384 }
 385 IEEE80211_IF_FILE_RW(uapsd_queues);
 386
 387 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
 388         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 389 {
 390         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 391
 392         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
 393 }
 394
 395 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
 396         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 397 {
 398         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 399         unsigned long val;
 400         int ret;
 401
 402         ret = kstrtoul(buf, 0, &val);
 403         if (ret)
 404                 return -EINVAL;
 405
 406         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
 407                 return -ERANGE;
 408
 409         ifmgd->uapsd_max_sp_len = val;
 410
 411         return buflen;
 412 }
 413 IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
 414
 415 /* AP attributes */
 416 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
 417 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
 418 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
 419
 420 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 421         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 422 {
 423         return scnprintf(buf, buflen, "%u\n",
 424                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
 425 }
 426 IEEE80211_IF_FILE_R(num_buffered_multicast);
 427
 428 /* IBSS attributes */
 429 static ssize_t ieee80211_if_fmt_tsf(
 430         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 431 {
 432         struct ieee80211_local *local = sdata->local;
 433         u64 tsf;
 434
 435         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 436
 437         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 438 }
 439
 440 static ssize_t ieee80211_if_parse_tsf(
 441         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 442 {
 443         struct ieee80211_local *local = sdata->local;
 444         unsigned long long tsf;
 445         int ret;
 446         int tsf_is_delta = 0;
 447
 448         if (strncmp(buf, "reset", 5) == 0) {
 449                 if (local->ops->reset_tsf) {
 450                         drv_reset_tsf(local, sdata);
 451                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 452                 }
 453         } else {
 454                 if (buflen > 10 && buf[1] == '=') {
 455                         if (buf[0] == '+')
 456                                 tsf_is_delta = 1;
 457                         else if (buf[0] == '-')
 458                                 tsf_is_delta = -1;
 459                         else
 460                                 return -EINVAL;
 461                         buf += 2;
 462                 }
 463                 ret = kstrtoull(buf, 10, &tsf);
 464                 if (ret < 0)
 465                         return ret;
 466                 if (tsf_is_delta)
 467                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
 468                 if (local->ops->set_tsf) {
 469                         drv_set_tsf(local, sdata, tsf);
 470                         wiphy_info(local->hw.wiphy,
 471                                    "debugfs set TSF to %#018llx\n", tsf);
 472                 }
 473         }
 474
 475         ieee80211_recalc_dtim(local, sdata);
 476         return buflen;
 477 }
 478 IEEE80211_IF_FILE_RW(tsf);
 479
 480
 481 /* WDS attributes */
 482 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 483
 484 #ifdef CONFIG_MAC80211_MESH
 485 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
 486
 487 /* Mesh stats attributes */
 488 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 489 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 490 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 491 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 492 IEEE80211_IF_FILE(dropped_frames_congestion,
 493                   u.mesh.mshstats.dropped_frames_congestion, DEC);
 494 IEEE80211_IF_FILE(dropped_frames_no_route,
 495                   u.mesh.mshstats.dropped_frames_no_route, DEC);
 496
 497 /* Mesh parameters */
 498 IEEE80211_IF_FILE(dot11MeshMaxRetries,
 499                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 500 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 501                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 502 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 503                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 504 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 505                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 506 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 507 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 508 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 509 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 510                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 511 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 512                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 513 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 514                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 515 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
 516                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
 517 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 518                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 519 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 520                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 521 IEEE80211_IF_FILE(path_refresh_time,
 522                   u.mesh.mshcfg.path_refresh_time, DEC);
 523 IEEE80211_IF_FILE(min_discovery_timeout,
 524                   u.mesh.mshcfg.min_discovery_timeout, DEC);
 525 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 526                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 527 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 528                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 529 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 530                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 531 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
 532 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
 533 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
 534 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
 535                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
 536 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
 537                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
 538 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
 539                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
 540 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
 541 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
 542                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
 543 #endif
 544
 545 #define DEBUGFS_ADD_MODE(name, mode) \
 546         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
 547                             sdata, &name##_ops);
 548
 549 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
 550
 551 static void add_common_files(struct ieee80211_sub_if_data *sdata)
 552 {
 553         DEBUGFS_ADD(drop_unencrypted);
 554         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 555         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 556         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
 557         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
 558         DEBUGFS_ADD(hw_queues);
 559 }
 560
 561 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 562 {
 563         DEBUGFS_ADD(bssid);
 564         DEBUGFS_ADD(aid);
 565         DEBUGFS_ADD(last_beacon);
 566         DEBUGFS_ADD(ave_beacon);
 567         DEBUGFS_ADD(beacon_timeout);
 568         DEBUGFS_ADD_MODE(smps, 0600);
 569         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 570         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
 571         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
 572 }
 573
 574 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 575 {
 576         DEBUGFS_ADD(num_mcast_sta);
 577         DEBUGFS_ADD_MODE(smps, 0600);
 578         DEBUGFS_ADD(num_sta_ps);
 579         DEBUGFS_ADD(dtim_count);
 580         DEBUGFS_ADD(num_buffered_multicast);
 581         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 582 }
 583
 584 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 585 {
 586         DEBUGFS_ADD_MODE(tsf, 0600);
 587 }
 588
 589 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 590 {
 591         DEBUGFS_ADD(peer);
 592 }
 593
 594 #ifdef CONFIG_MAC80211_MESH
 595
 596 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
 597 {
 598         DEBUGFS_ADD_MODE(tsf, 0600);
 599         DEBUGFS_ADD_MODE(estab_plinks, 0400);
 600 }
 601
 602 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 603 {
 604         struct dentry *dir = debugfs_create_dir("mesh_stats",
 605                                                 sdata->vif.debugfs_dir);
 606 #define MESHSTATS_ADD(name)\
 607         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 608
 609         MESHSTATS_ADD(fwded_mcast);
 610         MESHSTATS_ADD(fwded_unicast);
 611         MESHSTATS_ADD(fwded_frames);
 612         MESHSTATS_ADD(dropped_frames_ttl);
 613         MESHSTATS_ADD(dropped_frames_no_route);
 614         MESHSTATS_ADD(dropped_frames_congestion);
 615 #undef MESHSTATS_ADD
 616 }
 617
 618 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 619 {
 620         struct dentry *dir = debugfs_create_dir("mesh_config",
 621                                                 sdata->vif.debugfs_dir);
 622
 623 #define MESHPARAMS_ADD(name) \
 624         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 625
 626         MESHPARAMS_ADD(dot11MeshMaxRetries);
 627         MESHPARAMS_ADD(dot11MeshRetryTimeout);
 628         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 629         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 630         MESHPARAMS_ADD(dot11MeshTTL);
 631         MESHPARAMS_ADD(element_ttl);
 632         MESHPARAMS_ADD(auto_open_plinks);
 633         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 634         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 635         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 636         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
 637         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 638         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 639         MESHPARAMS_ADD(path_refresh_time);
 640         MESHPARAMS_ADD(min_discovery_timeout);
 641         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 642         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 643         MESHPARAMS_ADD(dot11MeshForwarding);
 644         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 645         MESHPARAMS_ADD(rssi_threshold);
 646         MESHPARAMS_ADD(ht_opmode);
 647         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
 648         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
 649         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
 650         MESHPARAMS_ADD(power_mode);
 651         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
 652 #undef MESHPARAMS_ADD
 653 }
 654 #endif
 655
 656 static void add_files(struct ieee80211_sub_if_data *sdata)
 657 {
 658         if (!sdata->vif.debugfs_dir)
 659                 return;
 660
 661         DEBUGFS_ADD(flags);
 662         DEBUGFS_ADD(state);
 663         DEBUGFS_ADD(txpower);
 664         DEBUGFS_ADD(user_power_level);
 665         DEBUGFS_ADD(ap_power_level);
 666
 667         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 668                 add_common_files(sdata);
 669
 670         switch (sdata->vif.type) {
 671         case NL80211_IFTYPE_MESH_POINT:
 672 #ifdef CONFIG_MAC80211_MESH
 673                 add_mesh_files(sdata);
 674                 add_mesh_stats(sdata);
 675                 add_mesh_config(sdata);
 676 #endif
 677                 break;
 678         case NL80211_IFTYPE_STATION:
 679                 add_sta_files(sdata);
 680                 break;
 681         case NL80211_IFTYPE_ADHOC:
 682                 add_ibss_files(sdata);
 683                 break;
 684         case NL80211_IFTYPE_AP:
 685                 add_ap_files(sdata);
 686                 break;
 687         case NL80211_IFTYPE_WDS:
 688                 add_wds_files(sdata);
 689                 break;
 690         default:
 691                 break;
 692         }
 693 }
 694
 695 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 696 {
 697         char buf[10+IFNAMSIZ];
 698
 699         sprintf(buf, "netdev:%s", sdata->name);
 700         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
 701                 sdata->local->hw.wiphy->debugfsdir);
 702         if (sdata->vif.debugfs_dir)
 703                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 704                         sdata->vif.debugfs_dir);
 705         add_files(sdata);
 706 }
 707
 708 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 709 {
 710         if (!sdata->vif.debugfs_dir)
 711                 return;
 712
 713         debugfs_remove_recursive(sdata->vif.debugfs_dir);
 714         sdata->vif.debugfs_dir = NULL;
 715 }
 716
 717 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 718 {
 719         struct dentry *dir;
 720         char buf[10 + IFNAMSIZ];
 721
 722         dir = sdata->vif.debugfs_dir;
 723
 724         if (!dir)
 725                 return;
 726
 727         sprintf(buf, "netdev:%s", sdata->name);
 728         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 729                 sdata_err(sdata,
 730                           "debugfs: failed to rename debugfs dir to %s\n",
 731                           buf);
 732 }