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(name, _write)                               \
 137 static ssize_t ieee80211_if_read_##name(struct file *file,              \
 138                                         char __user *userbuf,           \
 139                                         size_t count, loff_t *ppos)     \
 140 {                                                                       \
 141         return ieee80211_if_read(file->private_data,                    \
 142                                  userbuf, count, ppos,                  \
 143                                  ieee80211_if_fmt_##name);              \
 144 }                                                                       \
 145 static const struct file_operations name##_ops = {                      \
 146         .read = ieee80211_if_read_##name,                               \
 147         .write = (_write),                                              \
 148         .open = simple_open,                                            \
 149         .llseek = generic_file_llseek,                                  \
 150 }
 151
 152 #define __IEEE80211_IF_FILE_W(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 __IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
 161
 162
 163 #define IEEE80211_IF_FILE(name, field, format)                          \
 164                 IEEE80211_IF_FMT_##format(name, field)                  \
 165                 __IEEE80211_IF_FILE(name, NULL)
 166
 167 /* common attributes */
 168 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
 169 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
 170                   HEX);
 171 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
 172                   HEX);
 173 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
 174                   rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
 175 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
 176                   rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
 177
 178 IEEE80211_IF_FILE(flags, flags, HEX);
 179 IEEE80211_IF_FILE(state, state, LHEX);
 180 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
 181 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
 182 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
 183
 184 static ssize_t
 185 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
 186                            char *buf, int buflen)
 187 {
 188         int len;
 189
 190         len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
 191                         sdata->vif.hw_queue[IEEE80211_AC_VO],
 192                         sdata->vif.hw_queue[IEEE80211_AC_VI],
 193                         sdata->vif.hw_queue[IEEE80211_AC_BE],
 194                         sdata->vif.hw_queue[IEEE80211_AC_BK]);
 195
 196         if (sdata->vif.type == NL80211_IFTYPE_AP)
 197                 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
 198                                  sdata->vif.cab_queue);
 199
 200         return len;
 201 }
 202 __IEEE80211_IF_FILE(hw_queues, NULL);
 203
 204 /* STA attributes */
 205 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
 206 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
 207 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
 208 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
 209 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
 210
 211 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
 212                               enum ieee80211_smps_mode smps_mode)
 213 {
 214         struct ieee80211_local *local = sdata->local;
 215         int err;
 216
 217         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
 218             smps_mode == IEEE80211_SMPS_STATIC)
 219                 return -EINVAL;
 220
 221         /* auto should be dynamic if in PS mode */
 222         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
 223             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
 224              smps_mode == IEEE80211_SMPS_AUTOMATIC))
 225                 return -EINVAL;
 226
 227         /* supported only on managed interfaces for now */
 228         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 229                 return -EOPNOTSUPP;
 230
 231         sdata_lock(sdata);
 232         err = __ieee80211_request_smps(sdata, smps_mode);
 233         sdata_unlock(sdata);
 234
 235         return err;
 236 }
 237
 238 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
 239         [IEEE80211_SMPS_AUTOMATIC] = "auto",
 240         [IEEE80211_SMPS_OFF] = "off",
 241         [IEEE80211_SMPS_STATIC] = "static",
 242         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
 243 };
 244
 245 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
 246                                      char *buf, int buflen)
 247 {
 248         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 249                 return -EOPNOTSUPP;
 250
 251         return snprintf(buf, buflen, "request: %s\nused: %s\n",
 252                         smps_modes[sdata->u.mgd.req_smps],
 253                         smps_modes[sdata->smps_mode]);
 254 }
 255
 256 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
 257                                        const char *buf, int buflen)
 258 {
 259         enum ieee80211_smps_mode mode;
 260
 261         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
 262                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
 263                         int err = ieee80211_set_smps(sdata, mode);
 264                         if (!err)
 265                                 return buflen;
 266                         return err;
 267                 }
 268         }
 269
 270         return -EINVAL;
 271 }
 272
 273 __IEEE80211_IF_FILE_W(smps);
 274
 275 static ssize_t ieee80211_if_fmt_tkip_mic_test(
 276         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 277 {
 278         return -EOPNOTSUPP;
 279 }
 280
 281 static ssize_t ieee80211_if_parse_tkip_mic_test(
 282         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 283 {
 284         struct ieee80211_local *local = sdata->local;
 285         u8 addr[ETH_ALEN];
 286         struct sk_buff *skb;
 287         struct ieee80211_hdr *hdr;
 288         __le16 fc;
 289
 290         if (!mac_pton(buf, addr))
 291                 return -EINVAL;
 292
 293         if (!ieee80211_sdata_running(sdata))
 294                 return -ENOTCONN;
 295
 296         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
 297         if (!skb)
 298                 return -ENOMEM;
 299         skb_reserve(skb, local->hw.extra_tx_headroom);
 300
 301         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
 302         memset(hdr, 0, 24);
 303         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 304
 305         switch (sdata->vif.type) {
 306         case NL80211_IFTYPE_AP:
 307                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 308                 /* DA BSSID SA */
 309                 memcpy(hdr->addr1, addr, ETH_ALEN);
 310                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 311                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
 312                 break;
 313         case NL80211_IFTYPE_STATION:
 314                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 315                 /* BSSID SA DA */
 316                 sdata_lock(sdata);
 317                 if (!sdata->u.mgd.associated) {
 318                         sdata_unlock(sdata);
 319                         dev_kfree_skb(skb);
 320                         return -ENOTCONN;
 321                 }
 322                 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
 323                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 324                 memcpy(hdr->addr3, addr, ETH_ALEN);
 325                 sdata_unlock(sdata);
 326                 break;
 327         default:
 328                 dev_kfree_skb(skb);
 329                 return -EOPNOTSUPP;
 330         }
 331         hdr->frame_control = fc;
 332
 333         /*
 334          * Add some length to the test frame to make it look bit more valid.
 335          * The exact contents does not matter since the recipient is required
 336          * to drop this because of the Michael MIC failure.
 337          */
 338         memset(skb_put(skb, 50), 0, 50);
 339
 340         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
 341
 342         ieee80211_tx_skb(sdata, skb);
 343
 344         return buflen;
 345 }
 346
 347 __IEEE80211_IF_FILE_W(tkip_mic_test);
 348
 349 static ssize_t ieee80211_if_fmt_uapsd_queues(
 350         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 351 {
 352         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 353
 354         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
 355 }
 356
 357 static ssize_t ieee80211_if_parse_uapsd_queues(
 358         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 359 {
 360         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 361         u8 val;
 362         int ret;
 363
 364         ret = kstrtou8(buf, 0, &val);
 365         if (ret)
 366                 return ret;
 367
 368         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
 369                 return -ERANGE;
 370
 371         ifmgd->uapsd_queues = val;
 372
 373         return buflen;
 374 }
 375 __IEEE80211_IF_FILE_W(uapsd_queues);
 376
 377 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
 378         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 379 {
 380         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 381
 382         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
 383 }
 384
 385 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
 386         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 387 {
 388         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 389         unsigned long val;
 390         int ret;
 391
 392         ret = kstrtoul(buf, 0, &val);
 393         if (ret)
 394                 return -EINVAL;
 395
 396         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
 397                 return -ERANGE;
 398
 399         ifmgd->uapsd_max_sp_len = val;
 400
 401         return buflen;
 402 }
 403 __IEEE80211_IF_FILE_W(uapsd_max_sp_len);
 404
 405 /* AP attributes */
 406 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
 407 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
 408 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
 409
 410 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 411         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 412 {
 413         return scnprintf(buf, buflen, "%u\n",
 414                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
 415 }
 416 __IEEE80211_IF_FILE(num_buffered_multicast, NULL);
 417
 418 /* IBSS attributes */
 419 static ssize_t ieee80211_if_fmt_tsf(
 420         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 421 {
 422         struct ieee80211_local *local = sdata->local;
 423         u64 tsf;
 424
 425         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 426
 427         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 428 }
 429
 430 static ssize_t ieee80211_if_parse_tsf(
 431         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 432 {
 433         struct ieee80211_local *local = sdata->local;
 434         unsigned long long tsf;
 435         int ret;
 436         int tsf_is_delta = 0;
 437
 438         if (strncmp(buf, "reset", 5) == 0) {
 439                 if (local->ops->reset_tsf) {
 440                         drv_reset_tsf(local, sdata);
 441                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 442                 }
 443         } else {
 444                 if (buflen > 10 && buf[1] == '=') {
 445                         if (buf[0] == '+')
 446                                 tsf_is_delta = 1;
 447                         else if (buf[0] == '-')
 448                                 tsf_is_delta = -1;
 449                         else
 450                                 return -EINVAL;
 451                         buf += 2;
 452                 }
 453                 ret = kstrtoull(buf, 10, &tsf);
 454                 if (ret < 0)
 455                         return ret;
 456                 if (tsf_is_delta)
 457                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
 458                 if (local->ops->set_tsf) {
 459                         drv_set_tsf(local, sdata, tsf);
 460                         wiphy_info(local->hw.wiphy,
 461                                    "debugfs set TSF to %#018llx\n", tsf);
 462                 }
 463         }
 464
 465         return buflen;
 466 }
 467 __IEEE80211_IF_FILE_W(tsf);
 468
 469
 470 /* WDS attributes */
 471 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 472
 473 #ifdef CONFIG_MAC80211_MESH
 474 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
 475
 476 /* Mesh stats attributes */
 477 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 478 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 479 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 480 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 481 IEEE80211_IF_FILE(dropped_frames_congestion,
 482                   u.mesh.mshstats.dropped_frames_congestion, DEC);
 483 IEEE80211_IF_FILE(dropped_frames_no_route,
 484                   u.mesh.mshstats.dropped_frames_no_route, DEC);
 485
 486 /* Mesh parameters */
 487 IEEE80211_IF_FILE(dot11MeshMaxRetries,
 488                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 489 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 490                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 491 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 492                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 493 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 494                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 495 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 496 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 497 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 498 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 499                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 500 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 501                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 502 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 503                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 504 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
 505                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
 506 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 507                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 508 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 509                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 510 IEEE80211_IF_FILE(path_refresh_time,
 511                   u.mesh.mshcfg.path_refresh_time, DEC);
 512 IEEE80211_IF_FILE(min_discovery_timeout,
 513                   u.mesh.mshcfg.min_discovery_timeout, DEC);
 514 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 515                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 516 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 517                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 518 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 519                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 520 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
 521 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
 522 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
 523 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
 524                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
 525 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
 526                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
 527 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
 528                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
 529 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
 530 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
 531                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
 532 #endif
 533
 534 #define DEBUGFS_ADD_MODE(name, mode) \
 535         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
 536                             sdata, &name##_ops);
 537
 538 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
 539
 540 static void add_common_files(struct ieee80211_sub_if_data *sdata)
 541 {
 542         DEBUGFS_ADD(drop_unencrypted);
 543         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 544         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 545         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
 546         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
 547         DEBUGFS_ADD(hw_queues);
 548 }
 549
 550 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 551 {
 552         DEBUGFS_ADD(bssid);
 553         DEBUGFS_ADD(aid);
 554         DEBUGFS_ADD(last_beacon);
 555         DEBUGFS_ADD(ave_beacon);
 556         DEBUGFS_ADD(beacon_timeout);
 557         DEBUGFS_ADD_MODE(smps, 0600);
 558         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 559         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
 560         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
 561 }
 562
 563 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 564 {
 565         DEBUGFS_ADD(num_mcast_sta);
 566         DEBUGFS_ADD(num_sta_ps);
 567         DEBUGFS_ADD(dtim_count);
 568         DEBUGFS_ADD(num_buffered_multicast);
 569         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 570 }
 571
 572 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 573 {
 574         DEBUGFS_ADD_MODE(tsf, 0600);
 575 }
 576
 577 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 578 {
 579         DEBUGFS_ADD(peer);
 580 }
 581
 582 #ifdef CONFIG_MAC80211_MESH
 583
 584 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
 585 {
 586         DEBUGFS_ADD_MODE(tsf, 0600);
 587         DEBUGFS_ADD_MODE(estab_plinks, 0400);
 588 }
 589
 590 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 591 {
 592         struct dentry *dir = debugfs_create_dir("mesh_stats",
 593                                                 sdata->vif.debugfs_dir);
 594 #define MESHSTATS_ADD(name)\
 595         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 596
 597         MESHSTATS_ADD(fwded_mcast);
 598         MESHSTATS_ADD(fwded_unicast);
 599         MESHSTATS_ADD(fwded_frames);
 600         MESHSTATS_ADD(dropped_frames_ttl);
 601         MESHSTATS_ADD(dropped_frames_no_route);
 602         MESHSTATS_ADD(dropped_frames_congestion);
 603 #undef MESHSTATS_ADD
 604 }
 605
 606 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 607 {
 608         struct dentry *dir = debugfs_create_dir("mesh_config",
 609                                                 sdata->vif.debugfs_dir);
 610
 611 #define MESHPARAMS_ADD(name) \
 612         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 613
 614         MESHPARAMS_ADD(dot11MeshMaxRetries);
 615         MESHPARAMS_ADD(dot11MeshRetryTimeout);
 616         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 617         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 618         MESHPARAMS_ADD(dot11MeshTTL);
 619         MESHPARAMS_ADD(element_ttl);
 620         MESHPARAMS_ADD(auto_open_plinks);
 621         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 622         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 623         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 624         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
 625         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 626         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 627         MESHPARAMS_ADD(path_refresh_time);
 628         MESHPARAMS_ADD(min_discovery_timeout);
 629         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 630         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 631         MESHPARAMS_ADD(dot11MeshForwarding);
 632         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 633         MESHPARAMS_ADD(rssi_threshold);
 634         MESHPARAMS_ADD(ht_opmode);
 635         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
 636         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
 637         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
 638         MESHPARAMS_ADD(power_mode);
 639         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
 640 #undef MESHPARAMS_ADD
 641 }
 642 #endif
 643
 644 static void add_files(struct ieee80211_sub_if_data *sdata)
 645 {
 646         if (!sdata->vif.debugfs_dir)
 647                 return;
 648
 649         DEBUGFS_ADD(flags);
 650         DEBUGFS_ADD(state);
 651         DEBUGFS_ADD(txpower);
 652         DEBUGFS_ADD(user_power_level);
 653         DEBUGFS_ADD(ap_power_level);
 654
 655         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 656                 add_common_files(sdata);
 657
 658         switch (sdata->vif.type) {
 659         case NL80211_IFTYPE_MESH_POINT:
 660 #ifdef CONFIG_MAC80211_MESH
 661                 add_mesh_files(sdata);
 662                 add_mesh_stats(sdata);
 663                 add_mesh_config(sdata);
 664 #endif
 665                 break;
 666         case NL80211_IFTYPE_STATION:
 667                 add_sta_files(sdata);
 668                 break;
 669         case NL80211_IFTYPE_ADHOC:
 670                 add_ibss_files(sdata);
 671                 break;
 672         case NL80211_IFTYPE_AP:
 673                 add_ap_files(sdata);
 674                 break;
 675         case NL80211_IFTYPE_WDS:
 676                 add_wds_files(sdata);
 677                 break;
 678         default:
 679                 break;
 680         }
 681 }
 682
 683 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 684 {
 685         char buf[10+IFNAMSIZ];
 686
 687         sprintf(buf, "netdev:%s", sdata->name);
 688         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
 689                 sdata->local->hw.wiphy->debugfsdir);
 690         if (sdata->vif.debugfs_dir)
 691                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 692                         sdata->vif.debugfs_dir);
 693         add_files(sdata);
 694 }
 695
 696 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 697 {
 698         if (!sdata->vif.debugfs_dir)
 699                 return;
 700
 701         debugfs_remove_recursive(sdata->vif.debugfs_dir);
 702         sdata->vif.debugfs_dir = NULL;
 703 }
 704
 705 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 706 {
 707         struct dentry *dir;
 708         char buf[10 + IFNAMSIZ];
 709
 710         dir = sdata->vif.debugfs_dir;
 711
 712         if (!dir)
 713                 return;
 714
 715         sprintf(buf, "netdev:%s", sdata->name);
 716         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 717                 sdata_err(sdata,
 718                           "debugfs: failed to rename debugfs dir to %s\n",
 719                           buf);
 720 }