openwrt/target/linux/package/ieee80211-dscape/src/ieee80211_proc.c

   1 /*
   2  * Copyright 2003-2005, Devicescape Software, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #include <linux/config.h>
  10 #include <linux/version.h>
  11 #include <linux/module.h>
  12 #include <linux/netdevice.h>
  13 #include <linux/proc_fs.h>
  14 #include <linux/delay.h>
  15
  16 #ifdef CONFIG_PROC_FS
  17
  18 #include <net/ieee80211.h>
  19 #include <net/ieee80211_common.h>
  20 #include <net/ieee80211_mgmt.h>
  21 #include "ieee80211_i.h"
  22 #include "sta_info.h"
  23 #include "ieee80211_proc.h"
  24 #include "rate_control.h"
  25
  26
  27 static struct proc_dir_entry *ieee80211_proc;
  28
  29 #define PROC_LIMIT (PAGE_SIZE - 80)
  30
  31
  32 static char * ieee80211_proc_key(char *p, struct ieee80211_key *key,
  33                                  int idx, int def_key)
  34 {
  35         int i;
  36         u8 *tpn, *rpn;
  37
  38         if (!key)
  39                 return p;
  40
  41         p += sprintf(p, "key[%d]%s len=%d sw_encrypt=%d idx=%d hwidx=%d "
  42                      "tx_rx_count=%d",
  43                      idx, def_key ? "*" : "", key->keylen,
  44                      key->force_sw_encrypt, key->keyidx, key->hw_key_idx,
  45                      key->tx_rx_count);
  46         switch (key->alg) {
  47         case ALG_WEP:
  48                 p += sprintf(p, " alg=WEP");
  49                 break;
  50         case ALG_TKIP:
  51                 p += sprintf(p, " alg=TKIP iv(tx)=%08x %04x",
  52                              key->u.tkip.iv32, key->u.tkip.iv16);
  53                 for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
  54                         if (key->u.tkip.iv32_rx[i] == 0 &&
  55                             key->u.tkip.iv16_rx[i] == 0)
  56                                 continue;
  57                         p += sprintf(p, " iv(rx %d)=%08x %04x", i,
  58                                      key->u.tkip.iv32_rx[i],
  59                                      key->u.tkip.iv16_rx[i]);
  60                 }
  61                 break;
  62         case ALG_CCMP:
  63                 tpn = key->u.ccmp.tx_pn;
  64                 p += sprintf(p, " alg=CCMP PN(tx)=%02x%02x%02x%02x%02x%02x",
  65                              tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
  66                 for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
  67                         rpn = key->u.ccmp.rx_pn[i];
  68                         if (memcmp(rpn, "\x00\x00\x00\x00\x00\x00", 6) == 0)
  69                                 continue;
  70                         p += sprintf(p, " PN(rx %d)=%02x%02x%02x%02x%02x%02x",
  71                                      i, rpn[0], rpn[1], rpn[2], rpn[3], rpn[4],
  72                                      rpn[5]);
  73                 }
  74                 p += sprintf(p, " replays=%u", key->u.ccmp.replays);
  75                 break;
  76         default:
  77                 break;
  78         }
  79
  80         p += sprintf(p, " key=");
  81         for (i = 0; i < key->keylen; i++)
  82                 p += sprintf(p, "%02x", key->key[i]);
  83         p += sprintf(p, "\n");
  84         return p;
  85 }
  86
  87
  88 static char * ieee80211_proc_sub_if_norm(char *p,
  89                                          struct ieee80211_if_norm *norm)
  90 {
  91         p += sprintf(p, "type=norm\n");
  92         if (norm->beacon_head)
  93                 p += sprintf(p, "beacon_head_len=%d\n", norm->beacon_head_len);
  94         if (norm->beacon_tail)
  95                 p += sprintf(p, "beacon_tail_len=%d\n", norm->beacon_tail_len);
  96         p += sprintf(p,
  97                      "max_aid=%d\n"
  98                      "num_sta_ps=%d\n"
  99                      "num_buffered_multicast=%u\n"
 100                      "dtim_period=%d\n"
 101                      "dtim_count=%d\n"
 102                      "num_beacons=%d\n"
 103                      "force_unicast_rateidx=%d\n"
 104                      "max_ratectrl_rateidx=%d\n",
 105                      norm->max_aid, atomic_read(&norm->num_sta_ps),
 106                      skb_queue_len(&norm->ps_bc_buf),
 107                      norm->dtim_period, norm->dtim_count, norm->num_beacons,
 108                      norm->force_unicast_rateidx, norm->max_ratectrl_rateidx);
 109         return p;
 110 }
 111
 112
 113 static char * ieee80211_proc_sub_if_sta(char *p,
 114                                         struct ieee80211_if_sta *ifsta)
 115 {
 116         p += sprintf(p, "type=sta\n");
 117         p += sprintf(p,
 118                      "state=%d\n"
 119                      "bssid=" MACSTR "\n"
 120                      "prev_bssid=" MACSTR "\n"
 121                      "ssid_len=%zd\n"
 122                      "aid=%d\n"
 123                      "ap_capab=0x%x\n"
 124                      "capab=0x%x\n"
 125                      "extra_ie_len=%zd\n"
 126                      "auth_tries=%d\n"
 127                      "assoc_tries=%d\n"
 128                      "flags=%s%s%s%s%s%s%s\n"
 129                      "auth_algs=0x%x\n"
 130                      "auth_alg=%d\n"
 131                      "auth_transaction=%d\n",
 132                      ifsta->state,
 133                      MAC2STR(ifsta->bssid),
 134                      MAC2STR(ifsta->prev_bssid),
 135                      ifsta->ssid_len,
 136                      ifsta->aid,
 137                      ifsta->ap_capab,
 138                      ifsta->capab,
 139                      ifsta->extra_ie_len,
 140                      ifsta->auth_tries,
 141                      ifsta->assoc_tries,
 142                      ifsta->ssid_set ? "[SSID]" : "",
 143                      ifsta->bssid_set ? "[BSSID]" : "",
 144                      ifsta->prev_bssid_set ? "[prev BSSID" : "",
 145                      ifsta->authenticated ? "[AUTH]" : "",
 146                      ifsta->associated ? "[ASSOC]" : "",
 147                      ifsta->probereq_poll ? "[PROBEREQ POLL]" : "",
 148                      ifsta->use_protection ? "[CTS prot]" : "",
 149                      ifsta->auth_algs,
 150                      ifsta->auth_alg,
 151                      ifsta->auth_transaction);
 152         return p;
 153 }
 154
 155
 156 static char * ieee80211_proc_sub_if(char *p,
 157                                     struct ieee80211_sub_if_data *sdata)
 158 {
 159         if (sdata == NULL)
 160                 return p;
 161
 162         if (sdata->bss)
 163                 p += sprintf(p, "bss=%p\n", sdata->bss);
 164
 165         switch (sdata->type) {
 166         case IEEE80211_SUB_IF_TYPE_NORM:
 167                 p = ieee80211_proc_sub_if_norm(p, &sdata->u.norm);
 168                 break;
 169         case IEEE80211_SUB_IF_TYPE_WDS:
 170                 p += sprintf(p, "type=wds\n");
 171                 p += sprintf(p, "wds.peer=" MACSTR "\n",
 172                              MAC2STR(sdata->u.wds.remote_addr));
 173                 break;
 174         case IEEE80211_SUB_IF_TYPE_VLAN:
 175                 p += sprintf(p, "type=vlan\n");
 176                 p += sprintf(p, "vlan.id=%d\n", sdata->u.vlan.id);
 177                 break;
 178         case IEEE80211_SUB_IF_TYPE_STA:
 179                 p = ieee80211_proc_sub_if_sta(p, &sdata->u.sta);
 180                 break;
 181         }
 182         p += sprintf(p, "channel_use=%d\n", sdata->channel_use);
 183         p += sprintf(p, "drop_unencrypted=%d\n", sdata->drop_unencrypted);
 184         p += sprintf(p, "eapol=%d\n", sdata->eapol);
 185         p += sprintf(p, "ieee802_1x=%d\n", sdata->ieee802_1x);
 186
 187         return p;
 188 }
 189
 190
 191 static int ieee80211_proc_iface_read(char *page, char **start, off_t off,
 192                                      int count, int *eof, void *data)
 193 {
 194         char *p = page;
 195         struct net_device *dev = (struct net_device *) data;
 196         struct ieee80211_sub_if_data *sdata;
 197         int i;
 198
 199         if (off != 0) {
 200                 *eof = 1;
 201                 return 0;
 202         }
 203
 204         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 205         if (!sdata)
 206                 return -1;
 207
 208         p = ieee80211_proc_sub_if(p, sdata);
 209
 210         for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
 211                 if (sdata->keys[i] == NULL)
 212                         continue;
 213
 214                 p = ieee80211_proc_key(p, sdata->keys[i], i,
 215                                        sdata->keys[i] == sdata->default_key);
 216         }
 217
 218         return (p - page);
 219 }
 220
 221
 222 static int ieee80211_proc_sta_read(char *page, char **start, off_t off,
 223                                    int count, int *eof, void *data)
 224 {
 225         char *p = page;
 226         struct sta_info *sta = (struct sta_info *) data;
 227         struct ieee80211_local *local;
 228         int inactive, i;
 229
 230         if (off != 0) {
 231                 *eof = 1;
 232                 return 0;
 233         }
 234
 235         if (!sta || !sta->dev)
 236                 return -1;
 237
 238         p += sprintf(p, "users=%d\n", atomic_read(&sta->users));
 239         p += sprintf(p, "aid=%d\n", sta->aid);
 240         p += sprintf(p, "flags=0x%x %s%s%s%s%s%s%s%s%s%s\n", sta->flags,
 241                      sta->flags & WLAN_STA_AUTH ? "[AUTH]" : "",
 242                      sta->flags & WLAN_STA_ASSOC ? "[ASSOC]" : "",
 243                      sta->flags & WLAN_STA_PS ? "[PS]" : "",
 244                      sta->flags & WLAN_STA_TIM ? "[TIM]" : "",
 245                      sta->flags & WLAN_STA_PERM ? "[PERM]" : "",
 246                      sta->flags & WLAN_STA_AUTHORIZED ? "[AUTHORIZED]" : "",
 247                      sta->flags & WLAN_STA_SHORT_PREAMBLE ?
 248                      "[SHORT PREAMBLE]" : "",
 249                      sta->flags & WLAN_STA_WME ? "[WME]" : "",
 250                      sta->flags & WLAN_STA_WDS ? "[WDS]" : "",
 251                      sta->flags & WLAN_STA_XR ? "[XR]" : "");
 252         p += sprintf(p, "key_idx_compression=%d\n",
 253                      sta->key_idx_compression);
 254         p += sprintf(p, "dev=%s\n", sta->dev->name);
 255         if (sta->vlan_id > 0)
 256                 p += sprintf(p, "vlan_id=%d\n", sta->vlan_id);
 257         p += sprintf(p, "rx_packets=%lu\ntx_packets=%lu\nrx_bytes=%lu\n"
 258                      "tx_bytes=%lu\nrx_duplicates=%lu\nrx_fragments=%lu\n"
 259                      "rx_dropped=%lu\ntx_fragments=%lu\ntx_filtered=%lu\n",
 260                      sta->rx_packets, sta->tx_packets,
 261                      sta->rx_bytes, sta->tx_bytes,
 262                      sta->num_duplicates, sta->rx_fragments, sta->rx_dropped,
 263                      sta->tx_fragments, sta->tx_filtered_count);
 264         p = ieee80211_proc_key(p, sta->key, 0, 1);
 265
 266         local = (struct ieee80211_local *) sta->dev->priv;
 267         if (sta->txrate >= 0 && sta->txrate < local->num_curr_rates) {
 268                 p += sprintf(p, "txrate=%d\n",
 269                              local->curr_rates[sta->txrate].rate);
 270         }
 271         if (sta->last_txrate >= 0 &&
 272             sta->last_txrate < local->num_curr_rates) {
 273                 p += sprintf(p, "last_txrate=%d\n",
 274                              local->curr_rates[sta->last_txrate].rate);
 275         }
 276         p += sprintf(p, "num_ps_buf_frames=%u\n",
 277                      skb_queue_len(&sta->ps_tx_buf));
 278         p += sprintf(p, "tx_retry_failed=%lu\n", sta->tx_retry_failed);
 279         p += sprintf(p, "tx_retry_count=%lu\n", sta->tx_retry_count);
 280         p += sprintf(p, "last_rssi=%d\n", sta->last_rssi);
 281         p += sprintf(p, "last_ack_rssi=%d %d %d\n",
 282                      sta->last_ack_rssi[0], sta->last_ack_rssi[1],
 283                      sta->last_ack_rssi[2]);
 284         if (sta->last_ack)
 285                 p += sprintf(p, "last_ack_ms=%d\n",
 286                              jiffies_to_msecs(jiffies - sta->last_ack));
 287         inactive = jiffies - sta->last_rx;
 288         p += sprintf(p, "inactive_msec=%d\n", jiffies_to_msecs(inactive));
 289         p += sprintf(p, "channel_use=%d\n", sta->channel_use);
 290         p += sprintf(p, "wep_weak_iv_count=%d\n", sta->wep_weak_iv_count);
 291 #ifdef CONFIG_IEEE80211_DEBUG_COUNTERS
 292         p += sprintf(p, "wme_rx_queue=");
 293         for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
 294                 p += sprintf(p, "%u ", sta->wme_rx_queue[i]);
 295         p += sprintf(p, "\n");
 296
 297         p += sprintf(p, "wme_tx_queue=");
 298         for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
 299                 p += sprintf(p, "%u ", sta->wme_tx_queue[i]);
 300         p += sprintf(p, "\n");
 301 #endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */
 302         p += sprintf(p, "last_seq_ctrl=");
 303         for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
 304                         p += sprintf(p, "%x ", sta->last_seq_ctrl[i]);
 305         }
 306         p += sprintf(p, "\n");
 307
 308         p += rate_control_status_sta(local, sta, p);
 309
 310         return (p - page);
 311 }
 312
 313
 314 static int ieee80211_proc_counters_read(char *page, char **start, off_t off,
 315                                         int count, int *eof, void *data)
 316 {
 317         char *p = page;
 318         struct ieee80211_local *local = (struct ieee80211_local *) data;
 319         struct ieee80211_low_level_stats stats;
 320
 321         if (off != 0) {
 322                 *eof = 1;
 323                 return 0;
 324         }
 325
 326         p += sprintf(p,
 327                      "TransmittedFragmentCount=%u\n"
 328                      "MulticastTransmittedFrameCount=%u\n"
 329                      "FailedCount=%u\n"
 330                      "RetryCount=%u\n"
 331                      "MultipleRetryCount=%d\n"
 332                      "FrameDuplicateCount=%d\n"
 333                      "ReceivedFragmentCount=%u\n"
 334                      "MulticastReceivedFrameCount=%u\n"
 335                      "TransmittedFrameCount=%u\n"
 336                      "WEPUndecryptableCount=%u\n",
 337                      local->dot11TransmittedFragmentCount,
 338                      local->dot11MulticastTransmittedFrameCount,
 339                      local->dot11FailedCount,
 340                      local->dot11RetryCount,
 341                      local->dot11MultipleRetryCount,
 342                      local->dot11FrameDuplicateCount,
 343                      local->dot11ReceivedFragmentCount,
 344                      local->dot11MulticastReceivedFrameCount,
 345                      local->dot11TransmittedFrameCount,
 346                      local->dot11WEPUndecryptableCount);
 347
 348         memset(&stats, 0, sizeof(stats));
 349         if (local->hw->get_stats &&
 350             local->hw->get_stats(local->mdev, &stats) == 0) {
 351                 p += sprintf(p,
 352                              "ACKFailureCount=%u\n"
 353                              "RTSFailureCount=%u\n"
 354                              "FCSErrorCount=%u\n"
 355                              "RTSSuccessCount=%u\n",
 356                              stats.dot11ACKFailureCount,
 357                              stats.dot11RTSFailureCount,
 358                              stats.dot11FCSErrorCount,
 359                              stats.dot11RTSSuccessCount);
 360         }
 361
 362         return (p - page);
 363 }
 364
 365
 366 static int ieee80211_proc_debug_read(char *page, char **start, off_t off,
 367                                      int count, int *eof, void *data)
 368 {
 369         char *p = page;
 370         struct ieee80211_local *local = (struct ieee80211_local *) data;
 371         int i;
 372
 373         if (off != 0) {
 374                 *eof = 1;
 375                 return 0;
 376         }
 377
 378 #ifdef CONFIG_IEEE80211_DEBUG_COUNTERS
 379         p += sprintf(p,
 380                      "tx_handlers_drop=%u\n"
 381                      "tx_handlers_queued=%u\n"
 382                      "tx_handlers_drop_unencrypted=%u\n"
 383                      "tx_handlers_drop_fragment=%u\n"
 384                      "tx_handlers_drop_wep=%u\n"
 385                      "tx_handlers_drop_rate_limit=%u\n"
 386                      "tx_handlers_drop_not_assoc=%u\n"
 387                      "tx_handlers_drop_unauth_port=%u\n"
 388                      "rx_handlers_drop=%u\n"
 389                      "rx_handlers_queued=%u\n"
 390                      "rx_handlers_drop_nullfunc=%u\n"
 391                      "rx_handlers_drop_defrag=%u\n"
 392                      "rx_handlers_drop_short=%u\n"
 393                      "rx_handlers_drop_passive_scan=%u\n"
 394                      "tx_expand_skb_head=%u\n"
 395                      "tx_expand_skb_head_cloned=%u\n"
 396                      "rx_expand_skb_head=%u\n"
 397                      "rx_expand_skb_head2=%u\n"
 398                      "rx_handlers_fragments=%u\n"
 399                      "tx_status_drop=%u\n",
 400                      local->tx_handlers_drop,
 401                      local->tx_handlers_queued,
 402                      local->tx_handlers_drop_unencrypted,
 403                      local->tx_handlers_drop_fragment,
 404                      local->tx_handlers_drop_wep,
 405                      local->tx_handlers_drop_rate_limit,
 406                      local->tx_handlers_drop_not_assoc,
 407                      local->tx_handlers_drop_unauth_port,
 408                      local->rx_handlers_drop,
 409                      local->rx_handlers_queued,
 410                      local->rx_handlers_drop_nullfunc,
 411                      local->rx_handlers_drop_defrag,
 412                      local->rx_handlers_drop_short,
 413                      local->rx_handlers_drop_passive_scan,
 414                      local->tx_expand_skb_head,
 415                      local->tx_expand_skb_head_cloned,
 416                      local->rx_expand_skb_head,
 417                      local->rx_expand_skb_head2,
 418                      local->rx_handlers_fragments,
 419                      local->tx_status_drop);
 420         {
 421                 int i;
 422                 p += sprintf(p, "wme_rx_queue=");
 423                 for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
 424                         p += sprintf(p, " %u", local->wme_rx_queue[i]);
 425                 p += sprintf(p, "\n");
 426
 427                 p += sprintf(p, "wme_tx_queue=");
 428                 for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
 429                         p += sprintf(p, " %u", local->wme_tx_queue[i]);
 430                 p += sprintf(p, "\n");
 431         }
 432 #endif /* CONFIG_IEEE80211_DEBUG_COUNTERS */
 433
 434         p += sprintf(p, "num_scans=%u\n", local->scan.num_scans);
 435
 436         p += sprintf(p,
 437                      "conf.bss_count=%d\n"
 438                      "bss_dev_count=%u\n",
 439                      local->conf.bss_count, local->bss_dev_count);
 440         for (i = 0; i < local->conf.bss_count; i++) {
 441                 p += sprintf(p, "bss_dev[%d]=%p (%s)\n",
 442                              i, local->bss_devs[i],
 443                              (i < local->bss_dev_count && local->bss_devs[i]) ?
 444                              local->bss_devs[i]->name : "N/A");
 445         }
 446
 447         return (p - page);
 448 }
 449
 450
 451 static const char * ieee80211_mode_str_short(int mode)
 452 {
 453         switch (mode) {
 454         case MODE_IEEE80211A:
 455                 return "802.11a";
 456         case MODE_IEEE80211B:
 457                 return "802.11b";
 458         case MODE_IEEE80211G:
 459                 return "802.11g";
 460         case MODE_ATHEROS_TURBO:
 461                 return "AtherosTurbo";
 462         default:
 463                 return "UNKNOWN";
 464         }
 465 }
 466
 467
 468 static const char * ieee80211_mode_str(int mode)
 469 {
 470         switch (mode) {
 471         case MODE_IEEE80211A:
 472                 return "IEEE 802.11a";
 473         case MODE_IEEE80211B:
 474                 return "IEEE 802.11b";
 475         case MODE_IEEE80211G:
 476                 return "IEEE 802.11g";
 477         case MODE_ATHEROS_TURBO:
 478                 return "Atheros Turbo (5 GHz)";
 479         default:
 480                 return "UNKNOWN";
 481         }
 482 }
 483
 484
 485 static int ieee80211_proc_info_read(char *page, char **start, off_t off,
 486                                     int count, int *eof, void *data)
 487 {
 488         char *p = page;
 489         struct ieee80211_local *local = (struct ieee80211_local *) data;
 490         int m;
 491         struct ieee80211_hw_modes *mode;
 492
 493         if (off != 0) {
 494                 *eof = 1;
 495                 return 0;
 496         }
 497
 498         p += sprintf(p, "hw_name=%s\n", local->hw->name);
 499         p += sprintf(p, "modes=");
 500         for (m = 0; m < local->hw->num_modes; m++) {
 501                 mode = &local->hw->modes[m];
 502                 p += sprintf(p, "[%s]", ieee80211_mode_str_short(mode->mode));
 503         }
 504         p += sprintf(p, "\n");
 505         if (local->rate_ctrl && local->rate_ctrl_priv)
 506                 p+= sprintf(p, "rate_ctrl_alg=%s\n", local->rate_ctrl->name);
 507         return (p - page);
 508 }
 509
 510
 511 static int ieee80211_proc_config_read(char *page, char **start, off_t off,
 512                                       int count, int *eof, void *data)
 513 {
 514         char *p = page;
 515         struct ieee80211_local *local = (struct ieee80211_local *) data;
 516
 517         if (off != 0) {
 518                 *eof = 1;
 519                 return 0;
 520         }
 521
 522         p += sprintf(p,
 523                      "low_level_driver=%s\n"
 524                      "channel=%d\n"
 525                      "freq=%d\n"
 526                      "mode=%s\n"
 527                          "802.11h=%d\n"
 528                      "wep_iv=0x%06x\n"
 529                      "antenna_sel=%d\n"
 530                      "calib_int=%d\n"
 531                      "tx_power_reduction=%d.%d dBm\n"
 532                      "bridge_packets=%d\n"
 533                      "key_tx_rx_threshold=%d\n"
 534                      "rts_threshold=%d\n"
 535                      "fragmentation_threshold=%d\n"
 536                      "short_retry_limit=%d\n"
 537                      "long_retry_limit=%d\n"
 538                      "total_ps_buffered=%d\n",
 539                      local->hw->name ? local->hw->name : "N/A",
 540                      local->conf.channel,
 541                      local->conf.freq,
 542                      ieee80211_mode_str(local->conf.phymode),
 543                          local->conf.radar_detect,
 544                      local->wep_iv & 0xffffff,
 545                      local->conf.antenna_sel,
 546                      local->conf.calib_int,
 547                      local->conf.tx_power_reduction / 10,
 548                      local->conf.tx_power_reduction % 10,
 549                      local->bridge_packets,
 550                      local->key_tx_rx_threshold,
 551                      local->rts_threshold,
 552                      local->fragmentation_threshold,
 553                      local->short_retry_limit,
 554                      local->long_retry_limit,
 555                      local->total_ps_buffered);
 556
 557         return (p - page);
 558 }
 559
 560
 561 static int ieee80211_proc_channels_read(char *page, char **start, off_t off,
 562                                         int count, int *eof, void *data)
 563 {
 564         char *p = page;
 565         struct ieee80211_local *local = (struct ieee80211_local *) data;
 566         int m, c;
 567         struct ieee80211_hw_modes *mode;
 568         struct ieee80211_channel *chan;
 569
 570         if (off != 0) {
 571                 *eof = 1;
 572                 return 0;
 573         }
 574
 575         p += sprintf(p, "MODE CHAN FREQ TXPOWER ANTMAX FLAGS\n");
 576         for (m = 0; m < local->hw->num_modes; m++) {
 577                 mode = &local->hw->modes[m];
 578                 for (c = 0; c < mode->num_channels; c++) {
 579                         chan = &mode->channels[c];
 580                         p += sprintf(p, "%d %d %d %d %d %s%s%s\n",
 581                                      mode->mode, chan->chan, chan->freq,
 582                                      chan->power_level, chan->antenna_max,
 583                                      chan->flag & IEEE80211_CHAN_W_SCAN ?
 584                                      "[W_SCAN]" : "",
 585                                      chan->flag & IEEE80211_CHAN_W_ACTIVE_SCAN
 586                                      ? "[W_ACTIVE_SCAN]" : "",
 587                                      chan->flag & IEEE80211_CHAN_W_IBSS ?
 588                                      "[W_IBSS]" : "");
 589                 }
 590         }
 591         return (p - page);
 592 }
 593
 594
 595 static int ieee80211_proc_rates_read(char *page, char **start, off_t off,
 596                                      int count, int *eof, void *data)
 597 {
 598         char *p = page;
 599         struct ieee80211_local *local = (struct ieee80211_local *) data;
 600         int r;
 601         struct ieee80211_rate *rate;
 602
 603         if (off != 0) {
 604                 *eof = 1;
 605                 return 0;
 606         }
 607
 608         p += sprintf(p, "RATE VAL VAL2 MIN_RSSI_ACK MIN_RSSI_ACK_DELTA "
 609                      "FLAGS\n");
 610         for (r = 0; r < local->num_curr_rates; r++) {
 611                 rate = &local->curr_rates[r];
 612                 p += sprintf(p, "%d %d %d %d %d 0x%x %s%s%s%s%s%s%s%s\n",
 613                              rate->rate, rate->val, rate->val2,
 614                              rate->min_rssi_ack, rate->min_rssi_ack_delta,
 615                              rate->flags,
 616                              rate->flags & IEEE80211_RATE_ERP ? "[ERP]" : "",
 617                              rate->flags & IEEE80211_RATE_BASIC ?
 618                              "[BASIC]" : "",
 619                              rate->flags & IEEE80211_RATE_PREAMBLE2 ?
 620                              "[PREAMBLE2]" : "",
 621                              rate->flags & IEEE80211_RATE_SUPPORTED ?
 622                              "[SUPPORTED]" : "",
 623                              rate->flags & IEEE80211_RATE_OFDM ? "[OFDM]" : "",
 624                              rate->flags & IEEE80211_RATE_CCK ? "[CCK]" : "",
 625                              rate->flags & IEEE80211_RATE_TURBO ?
 626                              "[TURBO]" : "",
 627                              rate->flags & IEEE80211_RATE_MANDATORY ?
 628                              "[MANDATORY]" : "");
 629         }
 630         return (p - page);
 631 }
 632
 633
 634 static int ieee80211_proc_multicast_read(char *page, char **start, off_t off,
 635                                          int count, int *eof, void *data)
 636 {
 637         char *p = page;
 638         struct ieee80211_local *local = (struct ieee80211_local *) data;
 639
 640         if (off != 0) {
 641                 *eof = 1;
 642                 return 0;
 643         }
 644
 645         return rate_control_status_global(local, p);
 646
 647 }
 648
 649
 650 void ieee80211_proc_init_sta(struct ieee80211_local *local,
 651                              struct sta_info *sta)
 652 {
 653         char buf[30];
 654         struct proc_dir_entry *entry;
 655
 656         sprintf(buf, MACSTR, MAC2STR(sta->addr));
 657
 658         if (!local->proc_sta)
 659                 return;
 660
 661         entry = create_proc_read_entry(buf, 0, local->proc_sta,
 662                                        ieee80211_proc_sta_read, sta);
 663         if (entry) {
 664                 entry->mode &= ~(S_IRWXG | S_IRWXO);
 665                 sta->proc_entry_added = 1;
 666         }
 667 }
 668
 669
 670 void ieee80211_proc_deinit_sta(struct ieee80211_local *local,
 671                                struct sta_info *sta)
 672 {
 673         char buf[30];
 674         sprintf(buf, MACSTR, MAC2STR(sta->addr));
 675         if (local->proc_sta) {
 676                 remove_proc_entry(buf, local->proc_sta);
 677                 sta->proc_entry_added = 0;
 678         }
 679 }
 680
 681
 682 void ieee80211_proc_init_virtual(struct net_device *dev)
 683 {
 684         struct proc_dir_entry *entry;
 685         struct ieee80211_local *local = (struct ieee80211_local *) dev->priv;
 686
 687         if (!local->proc_iface)
 688                 return;
 689
 690         entry = create_proc_read_entry(dev->name, 0, local->proc_iface,
 691                                        ieee80211_proc_iface_read, dev);
 692         if (entry)
 693                 entry->mode &= ~(S_IRWXG | S_IRWXO);
 694 }
 695
 696
 697 void ieee80211_proc_deinit_virtual(struct net_device *dev)
 698 {
 699         struct ieee80211_local *local = (struct ieee80211_local *) dev->priv;
 700
 701         if (local->proc_iface)
 702                 remove_proc_entry(dev->name, local->proc_iface);
 703 }
 704
 705
 706 void ieee80211_proc_init_interface(struct ieee80211_local *local)
 707 {
 708         if (!ieee80211_proc)
 709                 return;
 710
 711         local->proc = proc_mkdir(local->wdev->name, ieee80211_proc);
 712         if (!local->proc)
 713                 return;
 714
 715         local->proc_sta = proc_mkdir("sta", local->proc);
 716         local->proc_iface = proc_mkdir("iface", local->proc);
 717         create_proc_read_entry("counters", 0, local->proc,
 718                                ieee80211_proc_counters_read, local);
 719         create_proc_read_entry("config", 0, local->proc,
 720                                ieee80211_proc_config_read, local);
 721         create_proc_read_entry("channels", 0, local->proc,
 722                                ieee80211_proc_channels_read, local);
 723         create_proc_read_entry("rates", 0, local->proc,
 724                                ieee80211_proc_rates_read, local);
 725         create_proc_read_entry("multicast", 0, local->proc,
 726                                ieee80211_proc_multicast_read, local);
 727         create_proc_read_entry("debug", 0, local->proc,
 728                                ieee80211_proc_debug_read, local);
 729         create_proc_read_entry("info", 0, local->proc,
 730                                ieee80211_proc_info_read, local);
 731         ieee80211_proc_init_virtual(local->wdev);
 732 }
 733
 734
 735 void ieee80211_proc_deinit_interface(struct ieee80211_local *local)
 736 {
 737         if (!local->proc)
 738                 return;
 739
 740         ieee80211_proc_deinit_virtual(local->wdev);
 741         remove_proc_entry("iface", local->proc);
 742         remove_proc_entry("sta", local->proc);
 743         remove_proc_entry("counters", local->proc);
 744         remove_proc_entry("debug", local->proc);
 745         remove_proc_entry("config", local->proc);
 746         remove_proc_entry("channels", local->proc);
 747         remove_proc_entry("rates", local->proc);
 748         remove_proc_entry("multicast", local->proc);
 749         remove_proc_entry("info", local->proc);
 750         local->proc = NULL;
 751         remove_proc_entry(local->wdev->name, ieee80211_proc);
 752 }
 753
 754
 755 void ieee80211_proc_init(void)
 756 {
 757         if (proc_net == NULL) {
 758                 ieee80211_proc = NULL;
 759                 return;
 760         }
 761
 762         ieee80211_proc = proc_mkdir("ieee80211", proc_net);
 763         if (!ieee80211_proc)
 764                 printk(KERN_WARNING "Failed to mkdir /proc/net/ieee80211\n");
 765 }
 766
 767
 768 void ieee80211_proc_deinit(void)
 769 {
 770         if (!ieee80211_proc)
 771                 return;
 772
 773         ieee80211_proc = NULL;
 774         remove_proc_entry("ieee80211", proc_net);
 775 }
 776
 777 #endif /* CONFIG_PROC_FS */