Pileus Git - ~andy/linux/blob - 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         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 228             sdata->vif.type != NL80211_IFTYPE_AP)
 229                 return -EOPNOTSUPP;
 230
 231         sdata_lock(sdata);
 232         if (sdata->vif.type == NL80211_IFTYPE_STATION)
 233                 err = __ieee80211_request_smps_mgd(sdata, smps_mode);
 234         else
 235                 err = __ieee80211_request_smps_ap(sdata, smps_mode);
 236         sdata_unlock(sdata);
 237
 238         return err;
 239 }
 240
 241 static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
 242         [IEEE80211_SMPS_AUTOMATIC] = "auto",
 243         [IEEE80211_SMPS_OFF] = "off",
 244         [IEEE80211_SMPS_STATIC] = "static",
 245         [IEEE80211_SMPS_DYNAMIC] = "dynamic",
 246 };
 247
 248 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
 249                                      char *buf, int buflen)
 250 {
 251         if (sdata->vif.type == NL80211_IFTYPE_STATION)
 252                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
 253                                 smps_modes[sdata->u.mgd.req_smps],
 254                                 smps_modes[sdata->smps_mode]);
 255         if (sdata->vif.type == NL80211_IFTYPE_AP)
 256                 return snprintf(buf, buflen, "request: %s\nused: %s\n",
 257                                 smps_modes[sdata->u.ap.req_smps],
 258                                 smps_modes[sdata->smps_mode]);
 259         return -EINVAL;
 260 }
 261
 262 static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
 263                                        const char *buf, int buflen)
 264 {
 265         enum ieee80211_smps_mode mode;
 266
 267         for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
 268                 if (strncmp(buf, smps_modes[mode], buflen) == 0) {
 269                         int err = ieee80211_set_smps(sdata, mode);
 270                         if (!err)
 271                                 return buflen;
 272                         return err;
 273                 }
 274         }
 275
 276         return -EINVAL;
 277 }
 278
 279 __IEEE80211_IF_FILE_W(smps);
 280
 281 static ssize_t ieee80211_if_fmt_tkip_mic_test(
 282         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 283 {
 284         return -EOPNOTSUPP;
 285 }
 286
 287 static ssize_t ieee80211_if_parse_tkip_mic_test(
 288         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 289 {
 290         struct ieee80211_local *local = sdata->local;
 291         u8 addr[ETH_ALEN];
 292         struct sk_buff *skb;
 293         struct ieee80211_hdr *hdr;
 294         __le16 fc;
 295
 296         if (!mac_pton(buf, addr))
 297                 return -EINVAL;
 298
 299         if (!ieee80211_sdata_running(sdata))
 300                 return -ENOTCONN;
 301
 302         skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);
 303         if (!skb)
 304                 return -ENOMEM;
 305         skb_reserve(skb, local->hw.extra_tx_headroom);
 306
 307         hdr = (struct ieee80211_hdr *) skb_put(skb, 24);
 308         memset(hdr, 0, 24);
 309         fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 310
 311         switch (sdata->vif.type) {
 312         case NL80211_IFTYPE_AP:
 313                 fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 314                 /* DA BSSID SA */
 315                 memcpy(hdr->addr1, addr, ETH_ALEN);
 316                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 317                 memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);
 318                 break;
 319         case NL80211_IFTYPE_STATION:
 320                 fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 321                 /* BSSID SA DA */
 322                 sdata_lock(sdata);
 323                 if (!sdata->u.mgd.associated) {
 324                         sdata_unlock(sdata);
 325                         dev_kfree_skb(skb);
 326                         return -ENOTCONN;
 327                 }
 328                 memcpy(hdr->addr1, sdata->u.mgd.associated->bssid, ETH_ALEN);
 329                 memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);
 330                 memcpy(hdr->addr3, addr, ETH_ALEN);
 331                 sdata_unlock(sdata);
 332                 break;
 333         default:
 334                 dev_kfree_skb(skb);
 335                 return -EOPNOTSUPP;
 336         }
 337         hdr->frame_control = fc;
 338
 339         /*
 340          * Add some length to the test frame to make it look bit more valid.
 341          * The exact contents does not matter since the recipient is required
 342          * to drop this because of the Michael MIC failure.
 343          */
 344         memset(skb_put(skb, 50), 0, 50);
 345
 346         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;
 347
 348         ieee80211_tx_skb(sdata, skb);
 349
 350         return buflen;
 351 }
 352
 353 __IEEE80211_IF_FILE_W(tkip_mic_test);
 354
 355 static ssize_t ieee80211_if_fmt_uapsd_queues(
 356         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 357 {
 358         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 359
 360         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);
 361 }
 362
 363 static ssize_t ieee80211_if_parse_uapsd_queues(
 364         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 365 {
 366         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 367         u8 val;
 368         int ret;
 369
 370         ret = kstrtou8(buf, 0, &val);
 371         if (ret)
 372                 return ret;
 373
 374         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
 375                 return -ERANGE;
 376
 377         ifmgd->uapsd_queues = val;
 378
 379         return buflen;
 380 }
 381 __IEEE80211_IF_FILE_W(uapsd_queues);
 382
 383 static ssize_t ieee80211_if_fmt_uapsd_max_sp_len(
 384         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 385 {
 386         const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 387
 388         return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);
 389 }
 390
 391 static ssize_t ieee80211_if_parse_uapsd_max_sp_len(
 392         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 393 {
 394         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 395         unsigned long val;
 396         int ret;
 397
 398         ret = kstrtoul(buf, 0, &val);
 399         if (ret)
 400                 return -EINVAL;
 401
 402         if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)
 403                 return -ERANGE;
 404
 405         ifmgd->uapsd_max_sp_len = val;
 406
 407         return buflen;
 408 }
 409 __IEEE80211_IF_FILE_W(uapsd_max_sp_len);
 410
 411 /* AP attributes */
 412 IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
 413 IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);
 414 IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);
 415
 416 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 417         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 418 {
 419         return scnprintf(buf, buflen, "%u\n",
 420                          skb_queue_len(&sdata->u.ap.ps.bc_buf));
 421 }
 422 __IEEE80211_IF_FILE(num_buffered_multicast, NULL);
 423
 424 /* IBSS attributes */
 425 static ssize_t ieee80211_if_fmt_tsf(
 426         const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
 427 {
 428         struct ieee80211_local *local = sdata->local;
 429         u64 tsf;
 430
 431         tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata);
 432
 433         return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);
 434 }
 435
 436 static ssize_t ieee80211_if_parse_tsf(
 437         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 438 {
 439         struct ieee80211_local *local = sdata->local;
 440         unsigned long long tsf;
 441         int ret;
 442         int tsf_is_delta = 0;
 443
 444         if (strncmp(buf, "reset", 5) == 0) {
 445                 if (local->ops->reset_tsf) {
 446                         drv_reset_tsf(local, sdata);
 447                         wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");
 448                 }
 449         } else {
 450                 if (buflen > 10 && buf[1] == '=') {
 451                         if (buf[0] == '+')
 452                                 tsf_is_delta = 1;
 453                         else if (buf[0] == '-')
 454                                 tsf_is_delta = -1;
 455                         else
 456                                 return -EINVAL;
 457                         buf += 2;
 458                 }
 459                 ret = kstrtoull(buf, 10, &tsf);
 460                 if (ret < 0)
 461                         return ret;
 462                 if (tsf_is_delta)
 463                         tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
 464                 if (local->ops->set_tsf) {
 465                         drv_set_tsf(local, sdata, tsf);
 466                         wiphy_info(local->hw.wiphy,
 467                                    "debugfs set TSF to %#018llx\n", tsf);
 468                 }
 469         }
 470
 471         return buflen;
 472 }
 473 __IEEE80211_IF_FILE_W(tsf);
 474
 475
 476 /* WDS attributes */
 477 IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 478
 479 #ifdef CONFIG_MAC80211_MESH
 480 IEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
 481
 482 /* Mesh stats attributes */
 483 IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
 484 IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
 485 IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
 486 IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 487 IEEE80211_IF_FILE(dropped_frames_congestion,
 488                   u.mesh.mshstats.dropped_frames_congestion, DEC);
 489 IEEE80211_IF_FILE(dropped_frames_no_route,
 490                   u.mesh.mshstats.dropped_frames_no_route, DEC);
 491
 492 /* Mesh parameters */
 493 IEEE80211_IF_FILE(dot11MeshMaxRetries,
 494                   u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
 495 IEEE80211_IF_FILE(dot11MeshRetryTimeout,
 496                   u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
 497 IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
 498                   u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
 499 IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
 500                   u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
 501 IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
 502 IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC);
 503 IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
 504 IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
 505                   u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
 506 IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
 507                   u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
 508 IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
 509                   u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
 510 IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval,
 511                   u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC);
 512 IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
 513                   u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
 514 IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
 515                   u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
 516 IEEE80211_IF_FILE(path_refresh_time,
 517                   u.mesh.mshcfg.path_refresh_time, DEC);
 518 IEEE80211_IF_FILE(min_discovery_timeout,
 519                   u.mesh.mshcfg.min_discovery_timeout, DEC);
 520 IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
 521                   u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
 522 IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
 523                   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
 524 IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
 525                   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
 526 IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);
 527 IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);
 528 IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);
 529 IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout,
 530                   u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);
 531 IEEE80211_IF_FILE(dot11MeshHWMProotInterval,
 532                   u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);
 533 IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval,
 534                   u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);
 535 IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);
 536 IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
 537                   u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);
 538 #endif
 539
 540 #define DEBUGFS_ADD_MODE(name, mode) \
 541         debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
 542                             sdata, &name##_ops);
 543
 544 #define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
 545
 546 static void add_common_files(struct ieee80211_sub_if_data *sdata)
 547 {
 548         DEBUGFS_ADD(drop_unencrypted);
 549         DEBUGFS_ADD(rc_rateidx_mask_2ghz);
 550         DEBUGFS_ADD(rc_rateidx_mask_5ghz);
 551         DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
 552         DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
 553         DEBUGFS_ADD(hw_queues);
 554 }
 555
 556 static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 557 {
 558         DEBUGFS_ADD(bssid);
 559         DEBUGFS_ADD(aid);
 560         DEBUGFS_ADD(last_beacon);
 561         DEBUGFS_ADD(ave_beacon);
 562         DEBUGFS_ADD(beacon_timeout);
 563         DEBUGFS_ADD_MODE(smps, 0600);
 564         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 565         DEBUGFS_ADD_MODE(uapsd_queues, 0600);
 566         DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600);
 567 }
 568
 569 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 570 {
 571         DEBUGFS_ADD(num_mcast_sta);
 572         DEBUGFS_ADD_MODE(smps, 0600);
 573         DEBUGFS_ADD(num_sta_ps);
 574         DEBUGFS_ADD(dtim_count);
 575         DEBUGFS_ADD(num_buffered_multicast);
 576         DEBUGFS_ADD_MODE(tkip_mic_test, 0200);
 577 }
 578
 579 static void add_ibss_files(struct ieee80211_sub_if_data *sdata)
 580 {
 581         DEBUGFS_ADD_MODE(tsf, 0600);
 582 }
 583
 584 static void add_wds_files(struct ieee80211_sub_if_data *sdata)
 585 {
 586         DEBUGFS_ADD(peer);
 587 }
 588
 589 #ifdef CONFIG_MAC80211_MESH
 590
 591 static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
 592 {
 593         DEBUGFS_ADD_MODE(tsf, 0600);
 594         DEBUGFS_ADD_MODE(estab_plinks, 0400);
 595 }
 596
 597 static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
 598 {
 599         struct dentry *dir = debugfs_create_dir("mesh_stats",
 600                                                 sdata->vif.debugfs_dir);
 601 #define MESHSTATS_ADD(name)\
 602         debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
 603
 604         MESHSTATS_ADD(fwded_mcast);
 605         MESHSTATS_ADD(fwded_unicast);
 606         MESHSTATS_ADD(fwded_frames);
 607         MESHSTATS_ADD(dropped_frames_ttl);
 608         MESHSTATS_ADD(dropped_frames_no_route);
 609         MESHSTATS_ADD(dropped_frames_congestion);
 610 #undef MESHSTATS_ADD
 611 }
 612
 613 static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
 614 {
 615         struct dentry *dir = debugfs_create_dir("mesh_config",
 616                                                 sdata->vif.debugfs_dir);
 617
 618 #define MESHPARAMS_ADD(name) \
 619         debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
 620
 621         MESHPARAMS_ADD(dot11MeshMaxRetries);
 622         MESHPARAMS_ADD(dot11MeshRetryTimeout);
 623         MESHPARAMS_ADD(dot11MeshConfirmTimeout);
 624         MESHPARAMS_ADD(dot11MeshHoldingTimeout);
 625         MESHPARAMS_ADD(dot11MeshTTL);
 626         MESHPARAMS_ADD(element_ttl);
 627         MESHPARAMS_ADD(auto_open_plinks);
 628         MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
 629         MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
 630         MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
 631         MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval);
 632         MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
 633         MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
 634         MESHPARAMS_ADD(path_refresh_time);
 635         MESHPARAMS_ADD(min_discovery_timeout);
 636         MESHPARAMS_ADD(dot11MeshHWMPRootMode);
 637         MESHPARAMS_ADD(dot11MeshHWMPRannInterval);
 638         MESHPARAMS_ADD(dot11MeshForwarding);
 639         MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol);
 640         MESHPARAMS_ADD(rssi_threshold);
 641         MESHPARAMS_ADD(ht_opmode);
 642         MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout);
 643         MESHPARAMS_ADD(dot11MeshHWMProotInterval);
 644         MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval);
 645         MESHPARAMS_ADD(power_mode);
 646         MESHPARAMS_ADD(dot11MeshAwakeWindowDuration);
 647 #undef MESHPARAMS_ADD
 648 }
 649 #endif
 650
 651 static void add_files(struct ieee80211_sub_if_data *sdata)
 652 {
 653         if (!sdata->vif.debugfs_dir)
 654                 return;
 655
 656         DEBUGFS_ADD(flags);
 657         DEBUGFS_ADD(state);
 658         DEBUGFS_ADD(txpower);
 659         DEBUGFS_ADD(user_power_level);
 660         DEBUGFS_ADD(ap_power_level);
 661
 662         if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 663                 add_common_files(sdata);
 664
 665         switch (sdata->vif.type) {
 666         case NL80211_IFTYPE_MESH_POINT:
 667 #ifdef CONFIG_MAC80211_MESH
 668                 add_mesh_files(sdata);
 669                 add_mesh_stats(sdata);
 670                 add_mesh_config(sdata);
 671 #endif
 672                 break;
 673         case NL80211_IFTYPE_STATION:
 674                 add_sta_files(sdata);
 675                 break;
 676         case NL80211_IFTYPE_ADHOC:
 677                 add_ibss_files(sdata);
 678                 break;
 679         case NL80211_IFTYPE_AP:
 680                 add_ap_files(sdata);
 681                 break;
 682         case NL80211_IFTYPE_WDS:
 683                 add_wds_files(sdata);
 684                 break;
 685         default:
 686                 break;
 687         }
 688 }
 689
 690 void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
 691 {
 692         char buf[10+IFNAMSIZ];
 693
 694         sprintf(buf, "netdev:%s", sdata->name);
 695         sdata->vif.debugfs_dir = debugfs_create_dir(buf,
 696                 sdata->local->hw.wiphy->debugfsdir);
 697         if (sdata->vif.debugfs_dir)
 698                 sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
 699                         sdata->vif.debugfs_dir);
 700         add_files(sdata);
 701 }
 702
 703 void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
 704 {
 705         if (!sdata->vif.debugfs_dir)
 706                 return;
 707
 708         debugfs_remove_recursive(sdata->vif.debugfs_dir);
 709         sdata->vif.debugfs_dir = NULL;
 710 }
 711
 712 void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
 713 {
 714         struct dentry *dir;
 715         char buf[10 + IFNAMSIZ];
 716
 717         dir = sdata->vif.debugfs_dir;
 718
 719         if (!dir)
 720                 return;
 721
 722         sprintf(buf, "netdev:%s", sdata->name);
 723         if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
 724                 sdata_err(sdata,
 725                           "debugfs: failed to rename debugfs dir to %s\n",
 726                           buf);
 727 }