net/mac80211/debugfs_netdev.c

   1 /*
   2  * Copyright (c) 2006   Jiri Benc <jbenc@suse.cz>
   3  * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #include <linux/kernel.h>
  11 #include <linux/device.h>
  12 #include <linux/if.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/netdevice.h>
  15 #include <linux/rtnetlink.h>
  16 #include <linux/slab.h>
  17 #include <linux/notifier.h>
  18 #include <net/mac80211.h>
  19 #include <net/cfg80211.h>
  20 #include "ieee80211_i.h"
  21 #include "rate.h"
  22 #include "debugfs.h"
  23 #include "debugfs_netdev.h"
  24 #include "driver-ops.h"
  25
  26 static ssize_t ieee80211_if_read(
  27         struct ieee80211_sub_if_data *sdata,
  28         char __user *userbuf,
  29         size_t count, loff_t *ppos,
  30         ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
  31 {
  32         char buf[70];
  33         ssize_t ret = -EINVAL;
  34
  35         read_lock(&dev_base_lock);
  36         if (sdata->dev->reg_state == NETREG_REGISTERED)
  37                 ret = (*format)(sdata, buf, sizeof(buf));
  38         read_unlock(&dev_base_lock);
  39
  40         if (ret >= 0)
  41                 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
  42
  43         return ret;
  44 }
  45
  46 static ssize_t ieee80211_if_write(
  47         struct ieee80211_sub_if_data *sdata,
  48         const char __user *userbuf,
  49         size_t count, loff_t *ppos,
  50         ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
  51 {
  52         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         if (sdata->dev->reg_state == NETREG_REGISTERED)
  65                 ret = (*write)(sdata, buf, count);
  66         rtnl_unlock();
  67
  68         return ret;
  69 }
  70
  71 #define IEEE80211_IF_FMT(name, field, format_string)                    \
  72 static ssize_t ieee80211_if_fmt_##name(                                 \
  73         const struct ieee80211_sub_if_data *sdata, char *buf,           \
  74         int buflen)                                                     \
  75 {                                                                       \
  76         return scnprintf(buf, buflen, format_string, sdata->field);     \
  77 }
  78 #define IEEE80211_IF_FMT_DEC(name, field)                               \
  79                 IEEE80211_IF_FMT(name, field, "%d\n")
  80 #define IEEE80211_IF_FMT_HEX(name, field)                               \
  81                 IEEE80211_IF_FMT(name, field, "%#x\n")
  82 #define IEEE80211_IF_FMT_LHEX(name, field)                              \
  83                 IEEE80211_IF_FMT(name, field, "%#lx\n")
  84 #define IEEE80211_IF_FMT_SIZE(name, field)                              \
  85                 IEEE80211_IF_FMT(name, field, "%zd\n")
  86
  87 #define IEEE80211_IF_FMT_HEXARRAY(name, field)                          \
  88 static ssize_t ieee80211_if_fmt_##name(                                 \
  89         const struct ieee80211_sub_if_data *sdata,                      \
  90         char *buf, int buflen)                                          \
  91 {                                                                       \
  92         char *p = buf;                                                  \
  93         int i;                                                          \
  94         for (i = 0; i < sizeof(sdata->field); i++) {                    \
  95                 p += scnprintf(p, buflen + buf - p, "%.2x ",            \
  96                                  sdata->field[i]);                      \
  97         }                                                               \
  98         p += scnprintf(p, buflen + buf - p, "\n");                      \
  99         return p - buf;                                                 \
 100 }
 101
 102 #define IEEE80211_IF_FMT_ATOMIC(name, field)                            \
 103 static ssize_t ieee80211_if_fmt_##name(                                 \
 104         const struct ieee80211_sub_if_data *sdata,                      \
 105         char *buf, int buflen)                                          \
 106 {                                                                       \
 107         return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
 108 }
 109
 110 #define IEEE80211_IF_FMT_MAC(name, field)                               \
 111 static ssize_t ieee80211_if_fmt_##name(                                 \
 112         const struct ieee80211_sub_if_data *sdata, char *buf,           \
 113         int buflen)                                                     \
 114 {                                                                       \
 115         return scnprintf(buf, buflen, "%pM\n", sdata->field);           \
 116 }
 117
 118 #define IEEE80211_IF_FMT_DEC_DIV_16(name, field)                        \
 119 static ssize_t ieee80211_if_fmt_##name(                                 \
 120         const struct ieee80211_sub_if_data *sdata,                      \
 121         char *buf, int buflen)                                          \
 122 {                                                                       \
 123         return scnprintf(buf, buflen, "%d\n", sdata->field / 16);       \
 124 }
 125
 126 #define __IEEE80211_IF_FILE(name, _write)                               \
 127 static ssize_t ieee80211_if_read_##name(struct file *file,              \
 128                                         char __user *userbuf,           \
 129                                         size_t count, loff_t *ppos)     \
 130 {                                                                       \
 131         return ieee80211_if_read(file->private_data,                    \
 132                                  userbuf, count, ppos,                  \
 133                                  ieee80211_if_fmt_##name);              \
 134 }                                                                       \
 135 static const struct file_operations name##_ops = {                      \
 136         .read = ieee80211_if_read_##name,                               \
 137         .write = (_write),                                              \
 138         .open = simple_open,                                            \
 139         .llseek = generic_file_llseek,                                  \
 140 }
 141
 142 #define __IEEE80211_IF_FILE_W(name)                                     \
 143 static ssize_t ieee80211_if_write_##name(struct file *file,             \
 144                                          const char __user *userbuf,    \
 145                                          size_t count, loff_t *ppos)    \
 146 {                                                                       \
 147         return ieee80211_if_write(file->private_data, userbuf, count,   \
 148                                   ppos, ieee80211_if_parse_##name);     \
 149 }                                                                       \
 150 __IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
 151
 152
 153 #define IEEE80211_IF_FILE(name, field, format)                          \
 154                 IEEE80211_IF_FMT_##format(name, field)                  \
 155                 __IEEE80211_IF_FILE(name, NULL)
 156
 157 /* common attributes */
 158 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
 159 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
 160                   HEX);
 161 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
 162                   HEX);
 163 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
 164                   rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
 165 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
 166                   rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
 167
 168 IEEE80211_IF_FILE(flags, flags, HEX);
 169 IEEE80211_IF_FILE(state, state, LHEX);
 170 IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC);
 171
 172 /* STA attributes */
 173 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
 174 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
 175 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
 176 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
 177
 178 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
 179                               enum ieee80211_smps_mode smps_mode)
 180 {
 181         struct ieee80211_local *local = sdata->local;
 182         int err;
 183
 184         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
 185             smps_mode == IEEE80211_SMPS_STATIC)
 186                 return -EINVAL;
 187
 188         /* auto should be dynamic if in PS mode */
 189         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
 190             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
 191              smps_mode == IEEE80211_SMPS_AUTOMATIC))
 192                 return -EINVAL;
 193
 194         /* supported only on managed interfaces for now */
 195         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 196                 return -EOPNOTSUPP;
 197
 198         mutex_lock(&sdata->u.mgd.mtx);
 199         err = __ieee80211_request_smps(sdata, smps_mode);
 200         mutex_unlock(&sdata->u.mgd.mtx);
 201
 202         return err;
 203 }
 204
 205 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
 206         [IEEE80211_SMPS_AUTOMATIC] = "auto",
 207         [IEEE80211_SMPS_OFF] = "off",
 208         [IEEE80211_SMPS_STATIC] = "static",
 209         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
 210 };
 211
 212 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
 213                                      char *buf, int buflen)
 214 {
 215         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 216                 return -EOPNOTSUPP;
 217
 218         return snprintf(buf, buflen, "request: %s\nused: %s\n",
 219                         smps_modes[sdata->u.mgd.req_smps],
 220                         smps_modes[sdata->u.mgd.ap_smps]);
 221 }
 222
 223 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
 224                                        const char *buf, int buflen)
 225 {
 226         enum ieee80211_smps_mode mode;
 227
 228         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
 229                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
 230                         int err = ieee80211_set_smps(sdata, mode);
 231                         if (!err)
 232                                 return buflen;
 233                         return err;
 234                 }
 235         }
 236
 237         return -EINVAL;
 238 }
 239
 240 __IEEE80211_IF_FILE_W(smps);
 241
 242 static ssize_t ieee80211_if_fmt_tkip_mic_test(
 243         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 244 {
 245         return -EOPNOTSUPP;
 246 }
 247
 248 static int hwaddr_aton(const char *txt, u8 *addr)
 249 {
 250         int i;
 251
 252         for (i = 0; i < ETH_ALEN; i++) {
 253                 int a, b;
 254
 255                 a = hex_to_bin(*txt++);
 256                 if (a < 0)
 257                         return -1;
 258                 b = hex_to_bin(*txt++);
 259                 if (b < 0)
 260                         return -1;
 261                 *addr++ = (a << 4) | b;
 262                 if (i < 5 && *txt++ != ':')
 263                         return -1;
 264         }
 265
 266         return 0;
 267 }
 268
 269 static ssize_t ieee80211_if_parse_tkip_mic_test(
 270         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 271 {
 272         struct ieee80211_local *local = sdata->local;
 273         u8 addr[ETH_ALEN];
 274         struct sk_buff *skb;
 275         struct ieee80211_hdr *hdr;
 276         __le16 fc;
 277
 278         /*
 279          * Assume colon-delimited MAC address with possible white space
 280          * following.
 281          */
 282         if (buflen < 3 * ETH_ALEN - 1)
 283                 return -EINVAL;
 284         if (hwaddr_aton(buf, addr) < 0)
 285                 return -EINVAL;
 286
 287         if (!ieee80211_sdata_running(sdata))
 288                 return -ENOTCONN;
 289
 290         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
 291         if (!skb)
 292                 return -ENOMEM;
 293         skb_reserve(skb, local->hw.extra_tx_headroom);
 294
 295         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
 296         memset(hdr, 0, 24);
 297         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 298
 299         switch (sdata->vif.type) {
 300         case NL80211_IFTYPE_AP:
 301                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 302                 /* DA BSSID SA */
 303                 memcpy(hdr->addr1, addr, ETH_ALEN);
 304                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 305                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
 306                 break;
 307         case NL80211_IFTYPE_STATION:
 308                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 309                 /* BSSID SA DA */
 310                 if (sdata->vif.bss_conf.bssid == NULL) {
 311                         dev_kfree_skb(skb);
 312                         return -ENOTCONN;
 313                 }
 314                 memcpy(hdr->addr1, sdata->vif.bss_conf.bssid, ETH_ALEN);
 315                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 316                 memcpy(hdr->addr3, addr, ETH_ALEN);
 317                 break;
 318         default:
 319                 dev_kfree_skb(skb);
 320                 return -EOPNOTSUPP;
 321         }
 322         hdr->frame_control = fc;
 323
 324         /*
 325          * Add some length to the test frame to make it look bit more valid.
 326          * The exact contents does not matter since the recipient is required
 327          * to drop this because of the Michael MIC failure.
 328          */
 329         memset(skb_put(skb, 50), 0, 50);
 330
 331         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
 332
 333         ieee80211_tx_skb(sdata, skb);
 334
 335         return buflen;
 336 }
 337
 338 __IEEE80211_IF_FILE_W(tkip_mic_test);
 339
 340 static ssize_t ieee80211_if_fmt_uapsd_queues(
 341         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 342 {
 343         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 344
 345         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
 346 }
 347
 348 static ssize_t ieee80211_if_parse_uapsd_queues(
 349         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 350 {
 351         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 352         u8 val;
 353         int ret;
 354
 355         ret = kstrtou8(buf, 0, &val);
 356         if (ret)
 357                 return ret;
 358
 359         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
 360                 return -ERANGE;
 361
 362         ifmgd->uapsd_queues = val;
 363
 364         return buflen;
 365 }
 366 __IEEE80211_IF_FILE_W(uapsd_queues);
 367
 368 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
 369         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 370 {
 371         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 372
 373         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
 374 }
 375
 376 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
 377         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 378 {
 379         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 380         unsigned long val;
 381         int ret;
 382
 383         ret = kstrtoul(buf, 0, &val);
 384         if (ret)
 385                 return -EINVAL;
 386
 387         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
 388                 return -ERANGE;
 389
 390         ifmgd->uapsd_max_sp_len = val;
 391
 392         return buflen;
 393 }
 394 __IEEE80211_IF_FILE_W(uapsd_max_sp_len);
 395
 396 /* AP attributes */
 397 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
 398 IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
 399 IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
 400
 401 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 402         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 403 {
 404         return scnprintf(buf, buflen, "%u\n",
 405                          skb_queue_len(&sdata->u.ap.ps_bc_buf));
 406 }
 407 __IEEE80211_IF_FILE(num_buffered_multicast, NULL);
 408
 409 /* IBSS attributes */
 410 static ssize_t ieee80211_if_fmt_tsf(
 411         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 412 {
 413         struct ieee80211_local *local = sdata->local;
 414         u64 tsf;
 415
 416         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 417
 418         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 419 }
 420
 421 static ssize_t ieee80211_if_parse_tsf(
 422         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 423 {
 424         struct ieee80211_local *local = sdata->local;
 425         unsigned long long tsf;
 426         int ret;
 427         int tsf_is_delta = 0;
 428
 429         if (strncmp(buf, "reset", 5) == 0) {
 430                 if (local->ops->reset_tsf) {
 431                         drv_reset_tsf(local, sdata);
 432                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 433                 }
 434         } else {
 435                 if (buflen > 10 && buf[1] == '=') {
 436                         if (buf[0] == '+')
 437                                 tsf_is_delta = 1;
 438                         else if (buf[0] == '-')
 439                                 tsf_is_delta = -1;
 440                         else
 441                                 return -EINVAL;
 442                         buf += 2;
 443                 }
 444                 ret = kstrtoull(buf, 10, &tsf);
 445                 if (ret < 0)
 446                         return -EINVAL;
 447                 if (tsf_is_delta)
 448                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
 449                 if (local->ops->set_tsf) {
 450                         drv_set_tsf(local, sdata, tsf);
 451                         wiphy_info(local->hw.wiphy,
 452                                    "debugfs set TSF to %#018llx\n", tsf);
 453                 }
 454         }
 455
 456         return buflen;
 457 }
 458 __IEEE80211_IF_FILE_W(tsf);
 459
 460
 461 /* WDS attributes */
 462 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 463
 464 #ifdef CONFIG_MAC80211_MESH
 465 /* Mesh stats attributes */
 466 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 467 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 468 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 469 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 470 IEEE80211_IF_FILE(dropped_frames_congestion,
 471                   u.mesh.mshstats.dropped_frames_congestion, DEC);
 472 IEEE80211_IF_FILE(dropped_frames_no_route,
 473                   u.mesh.mshstats.dropped_frames_no_route, DEC);
 474 IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
 475
 476 /* Mesh parameters */
 477 IEEE80211_IF_FILE(dot11MeshMaxRetries,
 478                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 479 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 480                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 481 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 482                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 483 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 484                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 485 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 486 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 487 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 488 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 489                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 490 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 491                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 492 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 493                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 494 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
 495                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
 496 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 497                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 498 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 499                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 500 IEEE80211_IF_FILE(path_refresh_time,
 501                   u.mesh.mshcfg.path_refresh_time, DEC);
 502 IEEE80211_IF_FILE(min_discovery_timeout,
 503                   u.mesh.mshcfg.min_discovery_timeout, DEC);
 504 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 505                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 506 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 507                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 508 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 509                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 510 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
 511 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
 512 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
 513 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
 514                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
 515 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
 516                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
 517 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
 518                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
 519 #endif
 520
 521 #define DEBUGFS_ADD_MODE(name, mode) \
 522         debugfs_create_file(#name, mode, sdata->debugfs.dir, \
 523                             sdata, &name##_ops);
 524
 525 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
 526
 527 static void add_common_files(struct ieee80211_sub_if_data *sdata)
 528 {
 529         DEBUGFS_ADD(drop_unencrypted);
 530         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 531         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 532         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
 533         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
 534 }
 535
 536 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 537 {
 538         DEBUGFS_ADD(bssid);
 539         DEBUGFS_ADD(aid);
 540         DEBUGFS_ADD(last_beacon);
 541         DEBUGFS_ADD(ave_beacon);
 542         DEBUGFS_ADD_MODE(smps, 0600);
 543         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 544         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
 545         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
 546 }
 547
 548 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 549 {
 550         DEBUGFS_ADD(num_mcast_sta);
 551         DEBUGFS_ADD(num_sta_ps);
 552         DEBUGFS_ADD(dtim_count);
 553         DEBUGFS_ADD(num_buffered_multicast);
 554         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 555 }
 556
 557 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 558 {
 559         DEBUGFS_ADD_MODE(tsf, 0600);
 560 }
 561
 562 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 563 {
 564         DEBUGFS_ADD(peer);
 565 }
 566
 567 #ifdef CONFIG_MAC80211_MESH
 568
 569 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
 570 {
 571         DEBUGFS_ADD_MODE(tsf, 0600);
 572 }
 573
 574 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 575 {
 576         struct dentry *dir = debugfs_create_dir("mesh_stats",
 577                                                 sdata->debugfs.dir);
 578 #define MESHSTATS_ADD(name)\
 579         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 580
 581         MESHSTATS_ADD(fwded_mcast);
 582         MESHSTATS_ADD(fwded_unicast);
 583         MESHSTATS_ADD(fwded_frames);
 584         MESHSTATS_ADD(dropped_frames_ttl);
 585         MESHSTATS_ADD(dropped_frames_no_route);
 586         MESHSTATS_ADD(dropped_frames_congestion);
 587         MESHSTATS_ADD(estab_plinks);
 588 #undef MESHSTATS_ADD
 589 }
 590
 591 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 592 {
 593         struct dentry *dir = debugfs_create_dir("mesh_config",
 594                                                 sdata->debugfs.dir);
 595
 596 #define MESHPARAMS_ADD(name) \
 597         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 598
 599         MESHPARAMS_ADD(dot11MeshMaxRetries);
 600         MESHPARAMS_ADD(dot11MeshRetryTimeout);
 601         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 602         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 603         MESHPARAMS_ADD(dot11MeshTTL);
 604         MESHPARAMS_ADD(element_ttl);
 605         MESHPARAMS_ADD(auto_open_plinks);
 606         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 607         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 608         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 609         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
 610         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 611         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 612         MESHPARAMS_ADD(path_refresh_time);
 613         MESHPARAMS_ADD(min_discovery_timeout);
 614         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 615         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 616         MESHPARAMS_ADD(dot11MeshForwarding);
 617         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 618         MESHPARAMS_ADD(rssi_threshold);
 619         MESHPARAMS_ADD(ht_opmode);
 620         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
 621         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
 622         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
 623 #undef MESHPARAMS_ADD
 624 }
 625 #endif
 626
 627 static void add_files(struct ieee80211_sub_if_data *sdata)
 628 {
 629         if (!sdata->debugfs.dir)
 630                 return;
 631
 632         DEBUGFS_ADD(flags);
 633         DEBUGFS_ADD(state);
 634         DEBUGFS_ADD(channel_type);
 635
 636         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 637                 add_common_files(sdata);
 638
 639         switch (sdata->vif.type) {
 640         case NL80211_IFTYPE_MESH_POINT:
 641 #ifdef CONFIG_MAC80211_MESH
 642                 add_mesh_files(sdata);
 643                 add_mesh_stats(sdata);
 644                 add_mesh_config(sdata);
 645 #endif
 646                 break;
 647         case NL80211_IFTYPE_STATION:
 648                 add_sta_files(sdata);
 649                 break;
 650         case NL80211_IFTYPE_ADHOC:
 651                 add_ibss_files(sdata);
 652                 break;
 653         case NL80211_IFTYPE_AP:
 654                 add_ap_files(sdata);
 655                 break;
 656         case NL80211_IFTYPE_WDS:
 657                 add_wds_files(sdata);
 658                 break;
 659         default:
 660                 break;
 661         }
 662 }
 663
 664 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 665 {
 666         char buf[10+IFNAMSIZ];
 667
 668         sprintf(buf, "netdev:%s", sdata->name);
 669         sdata->debugfs.dir = debugfs_create_dir(buf,
 670                 sdata->local->hw.wiphy->debugfsdir);
 671         if (sdata->debugfs.dir)
 672                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 673                         sdata->debugfs.dir);
 674         add_files(sdata);
 675 }
 676
 677 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 678 {
 679         if (!sdata->debugfs.dir)
 680                 return;
 681
 682         debugfs_remove_recursive(sdata->debugfs.dir);
 683         sdata->debugfs.dir = NULL;
 684 }
 685
 686 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 687 {
 688         struct dentry *dir;
 689         char buf[10 + IFNAMSIZ];
 690
 691         dir = sdata->debugfs.dir;
 692
 693         if (!dir)
 694                 return;
 695
 696         sprintf(buf, "netdev:%s", sdata->name);
 697         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 698                 sdata_err(sdata,
 699                           "debugfs: failed to rename debugfs dir to %s\n",
 700                           buf);
 701 }