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(name, _write)                               \
 135 static ssize_t ieee80211_if_read_##name(struct file *file,              \
 136                                         char __user *userbuf,           \
 137                                         size_t count, loff_t *ppos)     \
 138 {                                                                       \
 139         return ieee80211_if_read(file->private_data,                    \
 140                                  userbuf, count, ppos,                  \
 141                                  ieee80211_if_fmt_##name);              \
 142 }                                                                       \
 143 static const struct file_operations name##_ops = {                      \
 144         .read = ieee80211_if_read_##name,                               \
 145         .write = (_write),                                              \
 146         .open = simple_open,                                            \
 147         .llseek = generic_file_llseek,                                  \
 148 }
 149
 150 #define __IEEE80211_IF_FILE_W(name)                                     \
 151 static ssize_t ieee80211_if_write_##name(struct file *file,             \
 152                                          const char __user *userbuf,    \
 153                                          size_t count, loff_t *ppos)    \
 154 {                                                                       \
 155         return ieee80211_if_write(file->private_data, userbuf, count,   \
 156                                   ppos, ieee80211_if_parse_##name);     \
 157 }                                                                       \
 158 __IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
 159
 160
 161 #define IEEE80211_IF_FILE(name, field, format)                          \
 162                 IEEE80211_IF_FMT_##format(name, field)                  \
 163                 __IEEE80211_IF_FILE(name, NULL)
 164
 165 /* common attributes */
 166 IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
 167 IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
 168                   HEX);
 169 IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
 170                   HEX);
 171 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz,
 172                   rc_rateidx_mcs_mask[IEEE80211_BAND_2GHZ], HEXARRAY);
 173 IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz,
 174                   rc_rateidx_mcs_mask[IEEE80211_BAND_5GHZ], HEXARRAY);
 175
 176 IEEE80211_IF_FILE(flags, flags, HEX);
 177 IEEE80211_IF_FILE(state, state, LHEX);
 178 IEEE80211_IF_FILE(txpower, vif.bss_conf.txpower, DEC);
 179 IEEE80211_IF_FILE(ap_power_level, ap_power_level, DEC);
 180 IEEE80211_IF_FILE(user_power_level, user_power_level, DEC);
 181
 182 static ssize_t
 183 ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
 184                            char *buf, int buflen)
 185 {
 186         int len;
 187
 188         len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",
 189                         sdata->vif.hw_queue[IEEE80211_AC_VO],
 190                         sdata->vif.hw_queue[IEEE80211_AC_VI],
 191                         sdata->vif.hw_queue[IEEE80211_AC_BE],
 192                         sdata->vif.hw_queue[IEEE80211_AC_BK]);
 193
 194         if (sdata->vif.type == NL80211_IFTYPE_AP)
 195                 len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",
 196                                  sdata->vif.cab_queue);
 197
 198         return len;
 199 }
 200 __IEEE80211_IF_FILE(hw_queues, NULL);
 201
 202 /* STA attributes */
 203 IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
 204 IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
 205 IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
 206 IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
 207 IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
 208
 209 static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
 210                               enum ieee80211_smps_mode smps_mode)
 211 {
 212         struct ieee80211_local *local = sdata->local;
 213         int err;
 214
 215         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
 216             smps_mode == IEEE80211_SMPS_STATIC)
 217                 return -EINVAL;
 218
 219         /* auto should be dynamic if in PS mode */
 220         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
 221             (smps_mode == IEEE80211_SMPS_DYNAMIC ||
 222              smps_mode == IEEE80211_SMPS_AUTOMATIC))
 223                 return -EINVAL;
 224
 225         /* supported only on managed interfaces for now */
 226         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 227                 return -EOPNOTSUPP;
 228
 229         mutex_lock(&sdata->u.mgd.mtx);
 230         err = __ieee80211_request_smps(sdata, smps_mode);
 231         mutex_unlock(&sdata->u.mgd.mtx);
 232
 233         return err;
 234 }
 235
 236 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
 237         [IEEE80211_SMPS_AUTOMATIC] = "auto",
 238         [IEEE80211_SMPS_OFF] = "off",
 239         [IEEE80211_SMPS_STATIC] = "static",
 240         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
 241 };
 242
 243 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
 244                                      char *buf, int buflen)
 245 {
 246         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 247                 return -EOPNOTSUPP;
 248
 249         return snprintf(buf, buflen, "request: %s\nused: %s\n",
 250                         smps_modes[sdata->u.mgd.req_smps],
 251                         smps_modes[sdata->smps_mode]);
 252 }
 253
 254 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
 255                                        const char *buf, int buflen)
 256 {
 257         enum ieee80211_smps_mode mode;
 258
 259         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
 260                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
 261                         int err = ieee80211_set_smps(sdata, mode);
 262                         if (!err)
 263                                 return buflen;
 264                         return err;
 265                 }
 266         }
 267
 268         return -EINVAL;
 269 }
 270
 271 __IEEE80211_IF_FILE_W(smps);
 272
 273 static ssize_t ieee80211_if_fmt_tkip_mic_test(
 274         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 275 {
 276         return -EOPNOTSUPP;
 277 }
 278
 279 static ssize_t ieee80211_if_parse_tkip_mic_test(
 280         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 281 {
 282         struct ieee80211_local *local = sdata->local;
 283         u8 addr[ETH_ALEN];
 284         struct sk_buff *skb;
 285         struct ieee80211_hdr *hdr;
 286         __le16 fc;
 287
 288         if (!mac_pton(buf, addr))
 289                 return -EINVAL;
 290
 291         if (!ieee80211_sdata_running(sdata))
 292                 return -ENOTCONN;
 293
 294         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
 295         if (!skb)
 296                 return -ENOMEM;
 297         skb_reserve(skb, local->hw.extra_tx_headroom);
 298
 299         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
 300         memset(hdr, 0, 24);
 301         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 302
 303         switch (sdata->vif.type) {
 304         case NL80211_IFTYPE_AP:
 305                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 306                 /* DA BSSID SA */
 307                 memcpy(hdr->addr1, addr, ETH_ALEN);
 308                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 309                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
 310                 break;
 311         case NL80211_IFTYPE_STATION:
 312                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 313                 /* BSSID SA DA */
 314                 mutex_lock(&sdata->u.mgd.mtx);
 315                 if (!sdata->u.mgd.associated) {
 316                         mutex_unlock(&sdata->u.mgd.mtx);
 317                         dev_kfree_skb(skb);
 318                         return -ENOTCONN;
 319                 }
 320                 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
 321                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 322                 memcpy(hdr->addr3, addr, ETH_ALEN);
 323                 mutex_unlock(&sdata->u.mgd.mtx);
 324                 break;
 325         default:
 326                 dev_kfree_skb(skb);
 327                 return -EOPNOTSUPP;
 328         }
 329         hdr->frame_control = fc;
 330
 331         /*
 332          * Add some length to the test frame to make it look bit more valid.
 333          * The exact contents does not matter since the recipient is required
 334          * to drop this because of the Michael MIC failure.
 335          */
 336         memset(skb_put(skb, 50), 0, 50);
 337
 338         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
 339
 340         ieee80211_tx_skb(sdata, skb);
 341
 342         return buflen;
 343 }
 344
 345 __IEEE80211_IF_FILE_W(tkip_mic_test);
 346
 347 static ssize_t ieee80211_if_fmt_uapsd_queues(
 348         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 349 {
 350         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 351
 352         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
 353 }
 354
 355 static ssize_t ieee80211_if_parse_uapsd_queues(
 356         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 357 {
 358         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 359         u8 val;
 360         int ret;
 361
 362         ret = kstrtou8(buf, 0, &val);
 363         if (ret)
 364                 return ret;
 365
 366         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
 367                 return -ERANGE;
 368
 369         ifmgd->uapsd_queues = val;
 370
 371         return buflen;
 372 }
 373 __IEEE80211_IF_FILE_W(uapsd_queues);
 374
 375 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
 376         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 377 {
 378         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 379
 380         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
 381 }
 382
 383 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
 384         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 385 {
 386         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 387         unsigned long val;
 388         int ret;
 389
 390         ret = kstrtoul(buf, 0, &val);
 391         if (ret)
 392                 return -EINVAL;
 393
 394         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
 395                 return -ERANGE;
 396
 397         ifmgd->uapsd_max_sp_len = val;
 398
 399         return buflen;
 400 }
 401 __IEEE80211_IF_FILE_W(uapsd_max_sp_len);
 402
 403 /* AP attributes */
 404 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
 405 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
 406 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
 407
 408 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 409         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 410 {
 411         return scnprintf(buf, buflen, "%u\n",
 412                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
 413 }
 414 __IEEE80211_IF_FILE(num_buffered_multicast, NULL);
 415
 416 /* IBSS attributes */
 417 static ssize_t ieee80211_if_fmt_tsf(
 418         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 419 {
 420         struct ieee80211_local *local = sdata->local;
 421         u64 tsf;
 422
 423         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 424
 425         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 426 }
 427
 428 static ssize_t ieee80211_if_parse_tsf(
 429         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 430 {
 431         struct ieee80211_local *local = sdata->local;
 432         unsigned long long tsf;
 433         int ret;
 434         int tsf_is_delta = 0;
 435
 436         if (strncmp(buf, "reset", 5) == 0) {
 437                 if (local->ops->reset_tsf) {
 438                         drv_reset_tsf(local, sdata);
 439                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 440                 }
 441         } else {
 442                 if (buflen > 10 && buf[1] == '=') {
 443                         if (buf[0] == '+')
 444                                 tsf_is_delta = 1;
 445                         else if (buf[0] == '-')
 446                                 tsf_is_delta = -1;
 447                         else
 448                                 return -EINVAL;
 449                         buf += 2;
 450                 }
 451                 ret = kstrtoull(buf, 10, &tsf);
 452                 if (ret < 0)
 453                         return ret;
 454                 if (tsf_is_delta)
 455                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
 456                 if (local->ops->set_tsf) {
 457                         drv_set_tsf(local, sdata, tsf);
 458                         wiphy_info(local->hw.wiphy,
 459                                    "debugfs set TSF to %#018llx\n", tsf);
 460                 }
 461         }
 462
 463         return buflen;
 464 }
 465 __IEEE80211_IF_FILE_W(tsf);
 466
 467
 468 /* WDS attributes */
 469 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 470
 471 #ifdef CONFIG_MAC80211_MESH
 472 /* Mesh stats attributes */
 473 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 474 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 475 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 476 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 477 IEEE80211_IF_FILE(dropped_frames_congestion,
 478                   u.mesh.mshstats.dropped_frames_congestion, DEC);
 479 IEEE80211_IF_FILE(dropped_frames_no_route,
 480                   u.mesh.mshstats.dropped_frames_no_route, DEC);
 481 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
 482
 483 /* Mesh parameters */
 484 IEEE80211_IF_FILE(dot11MeshMaxRetries,
 485                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 486 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 487                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 488 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 489                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 490 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 491                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 492 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 493 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 494 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 495 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 496                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 497 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 498                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 499 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 500                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 501 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
 502                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
 503 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 504                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 505 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 506                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 507 IEEE80211_IF_FILE(path_refresh_time,
 508                   u.mesh.mshcfg.path_refresh_time, DEC);
 509 IEEE80211_IF_FILE(min_discovery_timeout,
 510                   u.mesh.mshcfg.min_discovery_timeout, DEC);
 511 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 512                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 513 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 514                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 515 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 516                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 517 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
 518 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
 519 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
 520 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
 521                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
 522 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
 523                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
 524 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
 525                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
 526 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
 527 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
 528                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
 529 #endif
 530
 531 #define DEBUGFS_ADD_MODE(name, mode) \
 532         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
 533                             sdata, &name##_ops);
 534
 535 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
 536
 537 static void add_common_files(struct ieee80211_sub_if_data *sdata)
 538 {
 539         DEBUGFS_ADD(drop_unencrypted);
 540         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 541         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 542         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
 543         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
 544         DEBUGFS_ADD(hw_queues);
 545 }
 546
 547 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 548 {
 549         DEBUGFS_ADD(bssid);
 550         DEBUGFS_ADD(aid);
 551         DEBUGFS_ADD(last_beacon);
 552         DEBUGFS_ADD(ave_beacon);
 553         DEBUGFS_ADD(beacon_timeout);
 554         DEBUGFS_ADD_MODE(smps, 0600);
 555         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 556         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
 557         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
 558 }
 559
 560 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 561 {
 562         DEBUGFS_ADD(num_mcast_sta);
 563         DEBUGFS_ADD(num_sta_ps);
 564         DEBUGFS_ADD(dtim_count);
 565         DEBUGFS_ADD(num_buffered_multicast);
 566         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 567 }
 568
 569 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 570 {
 571         DEBUGFS_ADD_MODE(tsf, 0600);
 572 }
 573
 574 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 575 {
 576         DEBUGFS_ADD(peer);
 577 }
 578
 579 #ifdef CONFIG_MAC80211_MESH
 580
 581 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
 582 {
 583         DEBUGFS_ADD_MODE(tsf, 0600);
 584 }
 585
 586 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 587 {
 588         struct dentry *dir = debugfs_create_dir("mesh_stats",
 589                                                 sdata->vif.debugfs_dir);
 590 #define MESHSTATS_ADD(name)\
 591         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 592
 593         MESHSTATS_ADD(fwded_mcast);
 594         MESHSTATS_ADD(fwded_unicast);
 595         MESHSTATS_ADD(fwded_frames);
 596         MESHSTATS_ADD(dropped_frames_ttl);
 597         MESHSTATS_ADD(dropped_frames_no_route);
 598         MESHSTATS_ADD(dropped_frames_congestion);
 599         MESHSTATS_ADD(estab_plinks);
 600 #undef MESHSTATS_ADD
 601 }
 602
 603 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 604 {
 605         struct dentry *dir = debugfs_create_dir("mesh_config",
 606                                                 sdata->vif.debugfs_dir);
 607
 608 #define MESHPARAMS_ADD(name) \
 609         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 610
 611         MESHPARAMS_ADD(dot11MeshMaxRetries);
 612         MESHPARAMS_ADD(dot11MeshRetryTimeout);
 613         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 614         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 615         MESHPARAMS_ADD(dot11MeshTTL);
 616         MESHPARAMS_ADD(element_ttl);
 617         MESHPARAMS_ADD(auto_open_plinks);
 618         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 619         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 620         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 621         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
 622         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 623         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 624         MESHPARAMS_ADD(path_refresh_time);
 625         MESHPARAMS_ADD(min_discovery_timeout);
 626         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 627         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 628         MESHPARAMS_ADD(dot11MeshForwarding);
 629         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 630         MESHPARAMS_ADD(rssi_threshold);
 631         MESHPARAMS_ADD(ht_opmode);
 632         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
 633         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
 634         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
 635         MESHPARAMS_ADD(power_mode);
 636         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
 637 #undef MESHPARAMS_ADD
 638 }
 639 #endif
 640
 641 static void add_files(struct ieee80211_sub_if_data *sdata)
 642 {
 643         if (!sdata->vif.debugfs_dir)
 644                 return;
 645
 646         DEBUGFS_ADD(flags);
 647         DEBUGFS_ADD(state);
 648         DEBUGFS_ADD(txpower);
 649         DEBUGFS_ADD(user_power_level);
 650         DEBUGFS_ADD(ap_power_level);
 651
 652         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 653                 add_common_files(sdata);
 654
 655         switch (sdata->vif.type) {
 656         case NL80211_IFTYPE_MESH_POINT:
 657 #ifdef CONFIG_MAC80211_MESH
 658                 add_mesh_files(sdata);
 659                 add_mesh_stats(sdata);
 660                 add_mesh_config(sdata);
 661 #endif
 662                 break;
 663         case NL80211_IFTYPE_STATION:
 664                 add_sta_files(sdata);
 665                 break;
 666         case NL80211_IFTYPE_ADHOC:
 667                 add_ibss_files(sdata);
 668                 break;
 669         case NL80211_IFTYPE_AP:
 670                 add_ap_files(sdata);
 671                 break;
 672         case NL80211_IFTYPE_WDS:
 673                 add_wds_files(sdata);
 674                 break;
 675         default:
 676                 break;
 677         }
 678 }
 679
 680 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 681 {
 682         char buf[10+IFNAMSIZ];
 683
 684         sprintf(buf, "netdev:%s", sdata->name);
 685         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
 686                 sdata->local->hw.wiphy->debugfsdir);
 687         if (sdata->vif.debugfs_dir)
 688                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 689                         sdata->vif.debugfs_dir);
 690         add_files(sdata);
 691 }
 692
 693 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 694 {
 695         if (!sdata->vif.debugfs_dir)
 696                 return;
 697
 698         debugfs_remove_recursive(sdata->vif.debugfs_dir);
 699         sdata->vif.debugfs_dir = NULL;
 700 }
 701
 702 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 703 {
 704         struct dentry *dir;
 705         char buf[10 + IFNAMSIZ];
 706
 707         dir = sdata->vif.debugfs_dir;
 708
 709         if (!dir)
 710                 return;
 711
 712         sprintf(buf, "netdev:%s", sdata->name);
 713         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 714                 sdata_err(sdata,
 715                           "debugfs: failed to rename debugfs dir to %s\n",
 716                           buf);
 717 }