Jiri Benc | f0706e8 | 2007-05-05 11:45:53 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2002-2005, Instant802 Networks, Inc. |
| 3 | * Copyright 2005-2006, Devicescape Software, Inc. |
| 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/module.h> |
| 11 | #include <linux/init.h> |
| 12 | #include <linux/netdevice.h> |
| 13 | #include <linux/types.h> |
| 14 | #include <linux/slab.h> |
| 15 | #include <linux/skbuff.h> |
| 16 | #include <linux/etherdevice.h> |
| 17 | #include <linux/if_arp.h> |
| 18 | #include <linux/wireless.h> |
| 19 | #include <net/iw_handler.h> |
| 20 | #include <asm/uaccess.h> |
| 21 | |
| 22 | #include <net/mac80211.h> |
| 23 | #include "ieee80211_i.h" |
| 24 | #include "hostapd_ioctl.h" |
| 25 | #include "ieee80211_rate.h" |
| 26 | #include "wpa.h" |
| 27 | #include "aes_ccm.h" |
| 28 | |
| 29 | static int ieee80211_regdom = 0x10; /* FCC */ |
| 30 | module_param(ieee80211_regdom, int, 0444); |
| 31 | MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain; 64=MKK"); |
| 32 | |
| 33 | /* |
| 34 | * If firmware is upgraded by the vendor, additional channels can be used based |
| 35 | * on the new Japanese regulatory rules. This is indicated by setting |
| 36 | * ieee80211_japan_5ghz module parameter to one when loading the 80211 kernel |
| 37 | * module. |
| 38 | */ |
| 39 | static int ieee80211_japan_5ghz /* = 0 */; |
| 40 | module_param(ieee80211_japan_5ghz, int, 0444); |
| 41 | MODULE_PARM_DESC(ieee80211_japan_5ghz, "Vendor-updated firmware for 5 GHz"); |
| 42 | |
| 43 | static void ieee80211_set_hw_encryption(struct net_device *dev, |
| 44 | struct sta_info *sta, u8 addr[ETH_ALEN], |
| 45 | struct ieee80211_key *key) |
| 46 | { |
| 47 | struct ieee80211_key_conf *keyconf = NULL; |
| 48 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 49 | |
| 50 | /* default to sw encryption; this will be cleared by low-level |
| 51 | * driver if the hw supports requested encryption */ |
| 52 | if (key) |
| 53 | key->force_sw_encrypt = 1; |
| 54 | |
| 55 | if (key && local->ops->set_key && |
| 56 | (keyconf = ieee80211_key_data2conf(local, key))) { |
| 57 | if (local->ops->set_key(local_to_hw(local), SET_KEY, addr, |
| 58 | keyconf, sta ? sta->aid : 0)) { |
| 59 | key->force_sw_encrypt = 1; |
| 60 | key->hw_key_idx = HW_KEY_IDX_INVALID; |
| 61 | } else { |
| 62 | key->force_sw_encrypt = |
| 63 | !!(keyconf->flags & IEEE80211_KEY_FORCE_SW_ENCRYPT); |
| 64 | key->hw_key_idx = |
| 65 | keyconf->hw_key_idx; |
| 66 | |
| 67 | } |
| 68 | } |
| 69 | kfree(keyconf); |
| 70 | } |
| 71 | |
| 72 | |
| 73 | static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr, |
| 74 | int idx, int alg, int set_tx_key, |
| 75 | const u8 *_key, size_t key_len) |
| 76 | { |
| 77 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 78 | int ret = 0; |
| 79 | struct sta_info *sta; |
| 80 | struct ieee80211_key *key, *old_key; |
| 81 | int try_hwaccel = 1; |
| 82 | struct ieee80211_key_conf *keyconf; |
| 83 | struct ieee80211_sub_if_data *sdata; |
| 84 | |
| 85 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 86 | |
| 87 | if (is_broadcast_ether_addr(sta_addr)) { |
| 88 | sta = NULL; |
| 89 | if (idx >= NUM_DEFAULT_KEYS) { |
| 90 | printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n", |
| 91 | dev->name, idx); |
| 92 | return -EINVAL; |
| 93 | } |
| 94 | key = sdata->keys[idx]; |
| 95 | |
| 96 | /* TODO: consider adding hwaccel support for these; at least |
| 97 | * Atheros key cache should be able to handle this since AP is |
| 98 | * only transmitting frames with default keys. */ |
| 99 | /* FIX: hw key cache can be used when only one virtual |
| 100 | * STA is associated with each AP. If more than one STA |
| 101 | * is associated to the same AP, software encryption |
| 102 | * must be used. This should be done automatically |
| 103 | * based on configured station devices. For the time |
| 104 | * being, this can be only set at compile time. */ |
| 105 | } else { |
| 106 | set_tx_key = 0; |
| 107 | if (idx != 0) { |
| 108 | printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for " |
| 109 | "individual key\n", dev->name); |
| 110 | return -EINVAL; |
| 111 | } |
| 112 | |
| 113 | sta = sta_info_get(local, sta_addr); |
| 114 | if (!sta) { |
| 115 | #ifdef CONFIG_MAC80211_VERBOSE_DEBUG |
| 116 | printk(KERN_DEBUG "%s: set_encrypt - unknown addr " |
| 117 | MAC_FMT "\n", |
| 118 | dev->name, MAC_ARG(sta_addr)); |
| 119 | #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ |
| 120 | |
| 121 | return -ENOENT; |
| 122 | } |
| 123 | |
| 124 | key = sta->key; |
| 125 | } |
| 126 | |
| 127 | /* FIX: |
| 128 | * Cannot configure default hwaccel keys with WEP algorithm, if |
| 129 | * any of the virtual interfaces is using static WEP |
| 130 | * configuration because hwaccel would otherwise try to decrypt |
| 131 | * these frames. |
| 132 | * |
| 133 | * For now, just disable WEP hwaccel for broadcast when there is |
| 134 | * possibility of conflict with default keys. This can maybe later be |
| 135 | * optimized by using non-default keys (at least with Atheros ar521x). |
| 136 | */ |
| 137 | if (!sta && alg == ALG_WEP && !local->default_wep_only && |
| 138 | sdata->type != IEEE80211_IF_TYPE_IBSS && |
| 139 | sdata->type != IEEE80211_IF_TYPE_AP) { |
| 140 | try_hwaccel = 0; |
| 141 | } |
| 142 | |
| 143 | if (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP) { |
| 144 | /* Software encryption cannot be used with devices that hide |
| 145 | * encryption from the host system, so always try to use |
| 146 | * hardware acceleration with such devices. */ |
| 147 | try_hwaccel = 1; |
| 148 | } |
| 149 | |
| 150 | if ((local->hw.flags & IEEE80211_HW_NO_TKIP_WMM_HWACCEL) && |
| 151 | alg == ALG_TKIP) { |
| 152 | if (sta && (sta->flags & WLAN_STA_WME)) { |
| 153 | /* Hardware does not support hwaccel with TKIP when using WMM. |
| 154 | */ |
| 155 | try_hwaccel = 0; |
| 156 | } |
| 157 | else if (sdata->type == IEEE80211_IF_TYPE_STA) { |
| 158 | sta = sta_info_get(local, sdata->u.sta.bssid); |
| 159 | if (sta) { |
| 160 | if (sta->flags & WLAN_STA_WME) { |
| 161 | try_hwaccel = 0; |
| 162 | } |
| 163 | sta_info_put(sta); |
| 164 | sta = NULL; |
| 165 | } |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | if (alg == ALG_NONE) { |
| 170 | keyconf = NULL; |
| 171 | if (try_hwaccel && key && |
| 172 | key->hw_key_idx != HW_KEY_IDX_INVALID && |
| 173 | local->ops->set_key && |
| 174 | (keyconf = ieee80211_key_data2conf(local, key)) != NULL && |
| 175 | local->ops->set_key(local_to_hw(local), DISABLE_KEY, |
| 176 | sta_addr, keyconf, sta ? sta->aid : 0)) { |
| 177 | printk(KERN_DEBUG "%s: set_encrypt - low-level disable" |
| 178 | " failed\n", dev->name); |
| 179 | ret = -EINVAL; |
| 180 | } |
| 181 | kfree(keyconf); |
| 182 | |
| 183 | if (set_tx_key || sdata->default_key == key) |
| 184 | sdata->default_key = NULL; |
| 185 | if (sta) |
| 186 | sta->key = NULL; |
| 187 | else |
| 188 | sdata->keys[idx] = NULL; |
| 189 | ieee80211_key_free(key); |
| 190 | key = NULL; |
| 191 | } else { |
| 192 | old_key = key; |
| 193 | key = ieee80211_key_alloc(sta ? NULL : sdata, idx, key_len, |
| 194 | GFP_KERNEL); |
| 195 | if (!key) { |
| 196 | ret = -ENOMEM; |
| 197 | goto err_out; |
| 198 | } |
| 199 | |
| 200 | /* default to sw encryption; low-level driver sets these if the |
| 201 | * requested encryption is supported */ |
| 202 | key->hw_key_idx = HW_KEY_IDX_INVALID; |
| 203 | key->force_sw_encrypt = 1; |
| 204 | |
| 205 | key->alg = alg; |
| 206 | key->keyidx = idx; |
| 207 | key->keylen = key_len; |
| 208 | memcpy(key->key, _key, key_len); |
| 209 | if (set_tx_key) |
| 210 | key->default_tx_key = 1; |
| 211 | |
| 212 | if (alg == ALG_CCMP) { |
| 213 | /* Initialize AES key state here as an optimization |
| 214 | * so that it does not need to be initialized for every |
| 215 | * packet. */ |
| 216 | key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt( |
| 217 | key->key); |
| 218 | if (!key->u.ccmp.tfm) { |
| 219 | ret = -ENOMEM; |
| 220 | goto err_free; |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | if (set_tx_key || sdata->default_key == old_key) |
| 225 | sdata->default_key = NULL; |
| 226 | if (sta) |
| 227 | sta->key = key; |
| 228 | else |
| 229 | sdata->keys[idx] = key; |
| 230 | ieee80211_key_free(old_key); |
| 231 | |
| 232 | if (try_hwaccel && |
| 233 | (alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP)) |
| 234 | ieee80211_set_hw_encryption(dev, sta, sta_addr, key); |
| 235 | } |
| 236 | |
| 237 | if (set_tx_key || (!sta && !sdata->default_key && key)) { |
| 238 | sdata->default_key = key; |
| 239 | |
| 240 | if (local->ops->set_key_idx && |
| 241 | local->ops->set_key_idx(local_to_hw(local), idx)) |
| 242 | printk(KERN_DEBUG "%s: failed to set TX key idx for " |
| 243 | "low-level driver\n", dev->name); |
| 244 | } |
| 245 | |
| 246 | if (sta) |
| 247 | sta_info_put(sta); |
| 248 | |
| 249 | return 0; |
| 250 | |
| 251 | err_free: |
| 252 | ieee80211_key_free(key); |
| 253 | err_out: |
| 254 | if (sta) |
| 255 | sta_info_put(sta); |
| 256 | return ret; |
| 257 | } |
| 258 | |
| 259 | static int ieee80211_ioctl_siwgenie(struct net_device *dev, |
| 260 | struct iw_request_info *info, |
| 261 | struct iw_point *data, char *extra) |
| 262 | { |
| 263 | struct ieee80211_sub_if_data *sdata; |
| 264 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 265 | |
| 266 | if (local->user_space_mlme) |
| 267 | return -EOPNOTSUPP; |
| 268 | |
| 269 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 270 | if (sdata->type == IEEE80211_IF_TYPE_STA || |
| 271 | sdata->type == IEEE80211_IF_TYPE_IBSS) { |
| 272 | int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length); |
| 273 | if (ret) |
| 274 | return ret; |
| 275 | sdata->u.sta.auto_bssid_sel = 0; |
| 276 | ieee80211_sta_req_auth(dev, &sdata->u.sta); |
| 277 | return 0; |
| 278 | } |
| 279 | |
| 280 | if (sdata->type == IEEE80211_IF_TYPE_AP) { |
| 281 | kfree(sdata->u.ap.generic_elem); |
| 282 | sdata->u.ap.generic_elem = kmalloc(data->length, GFP_KERNEL); |
| 283 | if (!sdata->u.ap.generic_elem) |
| 284 | return -ENOMEM; |
| 285 | memcpy(sdata->u.ap.generic_elem, extra, data->length); |
| 286 | sdata->u.ap.generic_elem_len = data->length; |
| 287 | return ieee80211_if_config(dev); |
| 288 | } |
| 289 | return -EOPNOTSUPP; |
| 290 | } |
| 291 | |
| 292 | static int ieee80211_ioctl_set_radio_enabled(struct net_device *dev, |
| 293 | int val) |
| 294 | { |
| 295 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 296 | struct ieee80211_conf *conf = &local->hw.conf; |
| 297 | |
| 298 | conf->radio_enabled = val; |
| 299 | return ieee80211_hw_config(wdev_priv(dev->ieee80211_ptr)); |
| 300 | } |
| 301 | |
| 302 | static int ieee80211_ioctl_giwname(struct net_device *dev, |
| 303 | struct iw_request_info *info, |
| 304 | char *name, char *extra) |
| 305 | { |
| 306 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 307 | |
| 308 | switch (local->hw.conf.phymode) { |
| 309 | case MODE_IEEE80211A: |
| 310 | strcpy(name, "IEEE 802.11a"); |
| 311 | break; |
| 312 | case MODE_IEEE80211B: |
| 313 | strcpy(name, "IEEE 802.11b"); |
| 314 | break; |
| 315 | case MODE_IEEE80211G: |
| 316 | strcpy(name, "IEEE 802.11g"); |
| 317 | break; |
| 318 | case MODE_ATHEROS_TURBO: |
| 319 | strcpy(name, "5GHz Turbo"); |
| 320 | break; |
| 321 | default: |
| 322 | strcpy(name, "IEEE 802.11"); |
| 323 | break; |
| 324 | } |
| 325 | |
| 326 | return 0; |
| 327 | } |
| 328 | |
| 329 | |
| 330 | static int ieee80211_ioctl_giwrange(struct net_device *dev, |
| 331 | struct iw_request_info *info, |
| 332 | struct iw_point *data, char *extra) |
| 333 | { |
| 334 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 335 | struct iw_range *range = (struct iw_range *) extra; |
| 336 | |
| 337 | data->length = sizeof(struct iw_range); |
| 338 | memset(range, 0, sizeof(struct iw_range)); |
| 339 | |
| 340 | range->we_version_compiled = WIRELESS_EXT; |
| 341 | range->we_version_source = 21; |
| 342 | range->retry_capa = IW_RETRY_LIMIT; |
| 343 | range->retry_flags = IW_RETRY_LIMIT; |
| 344 | range->min_retry = 0; |
| 345 | range->max_retry = 255; |
| 346 | range->min_rts = 0; |
| 347 | range->max_rts = 2347; |
| 348 | range->min_frag = 256; |
| 349 | range->max_frag = 2346; |
| 350 | |
| 351 | range->encoding_size[0] = 5; |
| 352 | range->encoding_size[1] = 13; |
| 353 | range->num_encoding_sizes = 2; |
| 354 | range->max_encoding_tokens = NUM_DEFAULT_KEYS; |
| 355 | |
| 356 | range->max_qual.qual = local->hw.max_signal; |
| 357 | range->max_qual.level = local->hw.max_rssi; |
| 358 | range->max_qual.noise = local->hw.max_noise; |
| 359 | range->max_qual.updated = local->wstats_flags; |
| 360 | |
| 361 | range->avg_qual.qual = local->hw.max_signal/2; |
| 362 | range->avg_qual.level = 0; |
| 363 | range->avg_qual.noise = 0; |
| 364 | range->avg_qual.updated = local->wstats_flags; |
| 365 | |
| 366 | range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | |
| 367 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; |
| 368 | |
| 369 | IW_EVENT_CAPA_SET_KERNEL(range->event_capa); |
| 370 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY); |
| 371 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); |
| 372 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); |
| 373 | |
| 374 | return 0; |
| 375 | } |
| 376 | |
| 377 | |
| 378 | struct ieee80211_channel_range { |
| 379 | short start_freq; |
| 380 | short end_freq; |
| 381 | unsigned char power_level; |
| 382 | unsigned char antenna_max; |
| 383 | }; |
| 384 | |
| 385 | static const struct ieee80211_channel_range ieee80211_fcc_channels[] = { |
| 386 | { 2412, 2462, 27, 6 } /* IEEE 802.11b/g, channels 1..11 */, |
| 387 | { 5180, 5240, 17, 6 } /* IEEE 802.11a, channels 36..48 */, |
| 388 | { 5260, 5320, 23, 6 } /* IEEE 802.11a, channels 52..64 */, |
| 389 | { 5745, 5825, 30, 6 } /* IEEE 802.11a, channels 149..165, outdoor */, |
| 390 | { 0 } |
| 391 | }; |
| 392 | |
| 393 | static const struct ieee80211_channel_range ieee80211_mkk_channels[] = { |
| 394 | { 2412, 2472, 20, 6 } /* IEEE 802.11b/g, channels 1..13 */, |
| 395 | { 5170, 5240, 20, 6 } /* IEEE 802.11a, channels 34..48 */, |
| 396 | { 5260, 5320, 20, 6 } /* IEEE 802.11a, channels 52..64 */, |
| 397 | { 0 } |
| 398 | }; |
| 399 | |
| 400 | |
| 401 | static const struct ieee80211_channel_range *channel_range = |
| 402 | ieee80211_fcc_channels; |
| 403 | |
| 404 | |
| 405 | static void ieee80211_unmask_channel(struct net_device *dev, int mode, |
| 406 | struct ieee80211_channel *chan) |
| 407 | { |
| 408 | int i; |
| 409 | |
| 410 | chan->flag = 0; |
| 411 | |
| 412 | if (ieee80211_regdom == 64 && |
| 413 | (mode == MODE_ATHEROS_TURBO || mode == MODE_ATHEROS_TURBOG)) { |
| 414 | /* Do not allow Turbo modes in Japan. */ |
| 415 | return; |
| 416 | } |
| 417 | |
| 418 | for (i = 0; channel_range[i].start_freq; i++) { |
| 419 | const struct ieee80211_channel_range *r = &channel_range[i]; |
| 420 | if (r->start_freq <= chan->freq && r->end_freq >= chan->freq) { |
| 421 | if (ieee80211_regdom == 64 && !ieee80211_japan_5ghz && |
| 422 | chan->freq >= 5260 && chan->freq <= 5320) { |
| 423 | /* |
| 424 | * Skip new channels in Japan since the |
| 425 | * firmware was not marked having been upgraded |
| 426 | * by the vendor. |
| 427 | */ |
| 428 | continue; |
| 429 | } |
| 430 | |
| 431 | if (ieee80211_regdom == 0x10 && |
| 432 | (chan->freq == 5190 || chan->freq == 5210 || |
| 433 | chan->freq == 5230)) { |
| 434 | /* Skip MKK channels when in FCC domain. */ |
| 435 | continue; |
| 436 | } |
| 437 | |
| 438 | chan->flag |= IEEE80211_CHAN_W_SCAN | |
| 439 | IEEE80211_CHAN_W_ACTIVE_SCAN | |
| 440 | IEEE80211_CHAN_W_IBSS; |
| 441 | chan->power_level = r->power_level; |
| 442 | chan->antenna_max = r->antenna_max; |
| 443 | |
| 444 | if (ieee80211_regdom == 64 && |
| 445 | (chan->freq == 5170 || chan->freq == 5190 || |
| 446 | chan->freq == 5210 || chan->freq == 5230)) { |
| 447 | /* |
| 448 | * New regulatory rules in Japan have backwards |
| 449 | * compatibility with old channels in 5.15-5.25 |
| 450 | * GHz band, but the station is not allowed to |
| 451 | * use active scan on these old channels. |
| 452 | */ |
| 453 | chan->flag &= ~IEEE80211_CHAN_W_ACTIVE_SCAN; |
| 454 | } |
| 455 | |
| 456 | if (ieee80211_regdom == 64 && |
| 457 | (chan->freq == 5260 || chan->freq == 5280 || |
| 458 | chan->freq == 5300 || chan->freq == 5320)) { |
| 459 | /* |
| 460 | * IBSS is not allowed on 5.25-5.35 GHz band |
| 461 | * due to radar detection requirements. |
| 462 | */ |
| 463 | chan->flag &= ~IEEE80211_CHAN_W_IBSS; |
| 464 | } |
| 465 | |
| 466 | break; |
| 467 | } |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | |
| 472 | static int ieee80211_unmask_channels(struct net_device *dev) |
| 473 | { |
| 474 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 475 | struct ieee80211_hw_mode *mode; |
| 476 | int c; |
| 477 | |
| 478 | list_for_each_entry(mode, &local->modes_list, list) { |
| 479 | for (c = 0; c < mode->num_channels; c++) { |
| 480 | ieee80211_unmask_channel(dev, mode->mode, |
| 481 | &mode->channels[c]); |
| 482 | } |
| 483 | } |
| 484 | return 0; |
| 485 | } |
| 486 | |
| 487 | |
| 488 | int ieee80211_init_client(struct net_device *dev) |
| 489 | { |
| 490 | if (ieee80211_regdom == 0x40) |
| 491 | channel_range = ieee80211_mkk_channels; |
| 492 | ieee80211_unmask_channels(dev); |
| 493 | return 0; |
| 494 | } |
| 495 | |
| 496 | |
| 497 | static int ieee80211_ioctl_siwmode(struct net_device *dev, |
| 498 | struct iw_request_info *info, |
| 499 | __u32 *mode, char *extra) |
| 500 | { |
| 501 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 502 | int type; |
| 503 | |
| 504 | if (sdata->type == IEEE80211_IF_TYPE_VLAN) |
| 505 | return -EOPNOTSUPP; |
| 506 | |
| 507 | switch (*mode) { |
| 508 | case IW_MODE_INFRA: |
| 509 | type = IEEE80211_IF_TYPE_STA; |
| 510 | break; |
| 511 | case IW_MODE_ADHOC: |
| 512 | type = IEEE80211_IF_TYPE_IBSS; |
| 513 | break; |
| 514 | case IW_MODE_MONITOR: |
| 515 | type = IEEE80211_IF_TYPE_MNTR; |
| 516 | break; |
| 517 | default: |
| 518 | return -EINVAL; |
| 519 | } |
| 520 | |
| 521 | if (type == sdata->type) |
| 522 | return 0; |
| 523 | if (netif_running(dev)) |
| 524 | return -EBUSY; |
| 525 | |
| 526 | ieee80211_if_reinit(dev); |
| 527 | ieee80211_if_set_type(dev, type); |
| 528 | |
| 529 | return 0; |
| 530 | } |
| 531 | |
| 532 | |
| 533 | static int ieee80211_ioctl_giwmode(struct net_device *dev, |
| 534 | struct iw_request_info *info, |
| 535 | __u32 *mode, char *extra) |
| 536 | { |
| 537 | struct ieee80211_sub_if_data *sdata; |
| 538 | |
| 539 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 540 | switch (sdata->type) { |
| 541 | case IEEE80211_IF_TYPE_AP: |
| 542 | *mode = IW_MODE_MASTER; |
| 543 | break; |
| 544 | case IEEE80211_IF_TYPE_STA: |
| 545 | *mode = IW_MODE_INFRA; |
| 546 | break; |
| 547 | case IEEE80211_IF_TYPE_IBSS: |
| 548 | *mode = IW_MODE_ADHOC; |
| 549 | break; |
| 550 | case IEEE80211_IF_TYPE_MNTR: |
| 551 | *mode = IW_MODE_MONITOR; |
| 552 | break; |
| 553 | case IEEE80211_IF_TYPE_WDS: |
| 554 | *mode = IW_MODE_REPEAT; |
| 555 | break; |
| 556 | case IEEE80211_IF_TYPE_VLAN: |
| 557 | *mode = IW_MODE_SECOND; /* FIXME */ |
| 558 | break; |
| 559 | default: |
| 560 | *mode = IW_MODE_AUTO; |
| 561 | break; |
| 562 | } |
| 563 | return 0; |
| 564 | } |
| 565 | |
| 566 | int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq) |
| 567 | { |
| 568 | struct ieee80211_hw_mode *mode; |
| 569 | int c, set = 0; |
| 570 | int ret = -EINVAL; |
| 571 | |
| 572 | list_for_each_entry(mode, &local->modes_list, list) { |
| 573 | if (!(local->enabled_modes & (1 << mode->mode))) |
| 574 | continue; |
| 575 | for (c = 0; c < mode->num_channels; c++) { |
| 576 | struct ieee80211_channel *chan = &mode->channels[c]; |
| 577 | if (chan->flag & IEEE80211_CHAN_W_SCAN && |
| 578 | ((chan->chan == channel) || (chan->freq == freq))) { |
| 579 | /* Use next_mode as the mode preference to |
| 580 | * resolve non-unique channel numbers. */ |
| 581 | if (set && mode->mode != local->next_mode) |
| 582 | continue; |
| 583 | |
| 584 | local->oper_channel = chan; |
| 585 | local->oper_hw_mode = mode; |
| 586 | set++; |
| 587 | } |
| 588 | } |
| 589 | } |
| 590 | |
| 591 | if (set) { |
| 592 | if (local->sta_scanning) |
| 593 | ret = 0; |
| 594 | else |
| 595 | ret = ieee80211_hw_config(local); |
| 596 | |
| 597 | rate_control_clear(local); |
| 598 | } |
| 599 | |
| 600 | return ret; |
| 601 | } |
| 602 | |
| 603 | static int ieee80211_ioctl_siwfreq(struct net_device *dev, |
| 604 | struct iw_request_info *info, |
| 605 | struct iw_freq *freq, char *extra) |
| 606 | { |
| 607 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 608 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 609 | |
| 610 | if (sdata->type == IEEE80211_IF_TYPE_STA) |
| 611 | sdata->u.sta.auto_channel_sel = 0; |
| 612 | |
| 613 | /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */ |
| 614 | if (freq->e == 0) { |
| 615 | if (freq->m < 0) { |
| 616 | if (sdata->type == IEEE80211_IF_TYPE_STA) |
| 617 | sdata->u.sta.auto_channel_sel = 1; |
| 618 | return 0; |
| 619 | } else |
| 620 | return ieee80211_set_channel(local, freq->m, -1); |
| 621 | } else { |
| 622 | int i, div = 1000000; |
| 623 | for (i = 0; i < freq->e; i++) |
| 624 | div /= 10; |
| 625 | if (div > 0) |
| 626 | return ieee80211_set_channel(local, -1, freq->m / div); |
| 627 | else |
| 628 | return -EINVAL; |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | |
| 633 | static int ieee80211_ioctl_giwfreq(struct net_device *dev, |
| 634 | struct iw_request_info *info, |
| 635 | struct iw_freq *freq, char *extra) |
| 636 | { |
| 637 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 638 | |
| 639 | /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level |
| 640 | * driver for the current channel with firmware-based management */ |
| 641 | |
| 642 | freq->m = local->hw.conf.freq; |
| 643 | freq->e = 6; |
| 644 | |
| 645 | return 0; |
| 646 | } |
| 647 | |
| 648 | |
| 649 | static int ieee80211_ioctl_siwessid(struct net_device *dev, |
| 650 | struct iw_request_info *info, |
| 651 | struct iw_point *data, char *ssid) |
| 652 | { |
| 653 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 654 | struct ieee80211_sub_if_data *sdata; |
| 655 | size_t len = data->length; |
| 656 | |
| 657 | /* iwconfig uses nul termination in SSID.. */ |
| 658 | if (len > 0 && ssid[len - 1] == '\0') |
| 659 | len--; |
| 660 | |
| 661 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 662 | if (sdata->type == IEEE80211_IF_TYPE_STA || |
| 663 | sdata->type == IEEE80211_IF_TYPE_IBSS) { |
| 664 | int ret; |
| 665 | if (local->user_space_mlme) { |
| 666 | if (len > IEEE80211_MAX_SSID_LEN) |
| 667 | return -EINVAL; |
| 668 | memcpy(sdata->u.sta.ssid, ssid, len); |
| 669 | sdata->u.sta.ssid_len = len; |
| 670 | return 0; |
| 671 | } |
| 672 | sdata->u.sta.auto_ssid_sel = !data->flags; |
| 673 | ret = ieee80211_sta_set_ssid(dev, ssid, len); |
| 674 | if (ret) |
| 675 | return ret; |
| 676 | ieee80211_sta_req_auth(dev, &sdata->u.sta); |
| 677 | return 0; |
| 678 | } |
| 679 | |
| 680 | if (sdata->type == IEEE80211_IF_TYPE_AP) { |
| 681 | memcpy(sdata->u.ap.ssid, ssid, len); |
| 682 | memset(sdata->u.ap.ssid + len, 0, |
| 683 | IEEE80211_MAX_SSID_LEN - len); |
| 684 | sdata->u.ap.ssid_len = len; |
| 685 | return ieee80211_if_config(dev); |
| 686 | } |
| 687 | return -EOPNOTSUPP; |
| 688 | } |
| 689 | |
| 690 | |
| 691 | static int ieee80211_ioctl_giwessid(struct net_device *dev, |
| 692 | struct iw_request_info *info, |
| 693 | struct iw_point *data, char *ssid) |
| 694 | { |
| 695 | size_t len; |
| 696 | |
| 697 | struct ieee80211_sub_if_data *sdata; |
| 698 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 699 | if (sdata->type == IEEE80211_IF_TYPE_STA || |
| 700 | sdata->type == IEEE80211_IF_TYPE_IBSS) { |
| 701 | int res = ieee80211_sta_get_ssid(dev, ssid, &len); |
| 702 | if (res == 0) { |
| 703 | data->length = len; |
| 704 | data->flags = 1; |
| 705 | } else |
| 706 | data->flags = 0; |
| 707 | return res; |
| 708 | } |
| 709 | |
| 710 | if (sdata->type == IEEE80211_IF_TYPE_AP) { |
| 711 | len = sdata->u.ap.ssid_len; |
| 712 | if (len > IW_ESSID_MAX_SIZE) |
| 713 | len = IW_ESSID_MAX_SIZE; |
| 714 | memcpy(ssid, sdata->u.ap.ssid, len); |
| 715 | data->length = len; |
| 716 | data->flags = 1; |
| 717 | return 0; |
| 718 | } |
| 719 | return -EOPNOTSUPP; |
| 720 | } |
| 721 | |
| 722 | |
| 723 | static int ieee80211_ioctl_siwap(struct net_device *dev, |
| 724 | struct iw_request_info *info, |
| 725 | struct sockaddr *ap_addr, char *extra) |
| 726 | { |
| 727 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 728 | struct ieee80211_sub_if_data *sdata; |
| 729 | |
| 730 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 731 | if (sdata->type == IEEE80211_IF_TYPE_STA || |
| 732 | sdata->type == IEEE80211_IF_TYPE_IBSS) { |
| 733 | int ret; |
| 734 | if (local->user_space_mlme) { |
| 735 | memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data, |
| 736 | ETH_ALEN); |
| 737 | return 0; |
| 738 | } |
| 739 | if (is_zero_ether_addr((u8 *) &ap_addr->sa_data)) { |
| 740 | sdata->u.sta.auto_bssid_sel = 1; |
| 741 | sdata->u.sta.auto_channel_sel = 1; |
| 742 | } else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data)) |
| 743 | sdata->u.sta.auto_bssid_sel = 1; |
| 744 | else |
| 745 | sdata->u.sta.auto_bssid_sel = 0; |
| 746 | ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data); |
| 747 | if (ret) |
| 748 | return ret; |
| 749 | ieee80211_sta_req_auth(dev, &sdata->u.sta); |
| 750 | return 0; |
| 751 | } else if (sdata->type == IEEE80211_IF_TYPE_WDS) { |
| 752 | if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data, |
| 753 | ETH_ALEN) == 0) |
| 754 | return 0; |
| 755 | return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data); |
| 756 | } |
| 757 | |
| 758 | return -EOPNOTSUPP; |
| 759 | } |
| 760 | |
| 761 | |
| 762 | static int ieee80211_ioctl_giwap(struct net_device *dev, |
| 763 | struct iw_request_info *info, |
| 764 | struct sockaddr *ap_addr, char *extra) |
| 765 | { |
| 766 | struct ieee80211_sub_if_data *sdata; |
| 767 | |
| 768 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 769 | if (sdata->type == IEEE80211_IF_TYPE_STA || |
| 770 | sdata->type == IEEE80211_IF_TYPE_IBSS) { |
| 771 | ap_addr->sa_family = ARPHRD_ETHER; |
| 772 | memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN); |
| 773 | return 0; |
| 774 | } else if (sdata->type == IEEE80211_IF_TYPE_WDS) { |
| 775 | ap_addr->sa_family = ARPHRD_ETHER; |
| 776 | memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN); |
| 777 | return 0; |
| 778 | } |
| 779 | |
| 780 | return -EOPNOTSUPP; |
| 781 | } |
| 782 | |
| 783 | |
| 784 | static int ieee80211_ioctl_siwscan(struct net_device *dev, |
| 785 | struct iw_request_info *info, |
| 786 | struct iw_point *data, char *extra) |
| 787 | { |
| 788 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 789 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 790 | u8 *ssid = NULL; |
| 791 | size_t ssid_len = 0; |
| 792 | |
| 793 | if (!netif_running(dev)) |
| 794 | return -ENETDOWN; |
| 795 | |
| 796 | if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) { |
| 797 | if (sdata->type == IEEE80211_IF_TYPE_STA || |
| 798 | sdata->type == IEEE80211_IF_TYPE_IBSS) { |
| 799 | ssid = sdata->u.sta.ssid; |
| 800 | ssid_len = sdata->u.sta.ssid_len; |
| 801 | } else if (sdata->type == IEEE80211_IF_TYPE_AP) { |
| 802 | ssid = sdata->u.ap.ssid; |
| 803 | ssid_len = sdata->u.ap.ssid_len; |
| 804 | } else |
| 805 | return -EINVAL; |
| 806 | } |
| 807 | return ieee80211_sta_req_scan(dev, ssid, ssid_len); |
| 808 | } |
| 809 | |
| 810 | |
| 811 | static int ieee80211_ioctl_giwscan(struct net_device *dev, |
| 812 | struct iw_request_info *info, |
| 813 | struct iw_point *data, char *extra) |
| 814 | { |
| 815 | int res; |
| 816 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 817 | if (local->sta_scanning) |
| 818 | return -EAGAIN; |
| 819 | res = ieee80211_sta_scan_results(dev, extra, data->length); |
| 820 | if (res >= 0) { |
| 821 | data->length = res; |
| 822 | return 0; |
| 823 | } |
| 824 | data->length = 0; |
| 825 | return res; |
| 826 | } |
| 827 | |
| 828 | |
| 829 | static int ieee80211_ioctl_siwrts(struct net_device *dev, |
| 830 | struct iw_request_info *info, |
| 831 | struct iw_param *rts, char *extra) |
| 832 | { |
| 833 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 834 | |
| 835 | if (rts->disabled) |
| 836 | local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; |
| 837 | else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD) |
| 838 | return -EINVAL; |
| 839 | else |
| 840 | local->rts_threshold = rts->value; |
| 841 | |
| 842 | /* If the wlan card performs RTS/CTS in hardware/firmware, |
| 843 | * configure it here */ |
| 844 | |
| 845 | if (local->ops->set_rts_threshold) |
| 846 | local->ops->set_rts_threshold(local_to_hw(local), |
| 847 | local->rts_threshold); |
| 848 | |
| 849 | return 0; |
| 850 | } |
| 851 | |
| 852 | static int ieee80211_ioctl_giwrts(struct net_device *dev, |
| 853 | struct iw_request_info *info, |
| 854 | struct iw_param *rts, char *extra) |
| 855 | { |
| 856 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 857 | |
| 858 | rts->value = local->rts_threshold; |
| 859 | rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD); |
| 860 | rts->fixed = 1; |
| 861 | |
| 862 | return 0; |
| 863 | } |
| 864 | |
| 865 | |
| 866 | static int ieee80211_ioctl_siwfrag(struct net_device *dev, |
| 867 | struct iw_request_info *info, |
| 868 | struct iw_param *frag, char *extra) |
| 869 | { |
| 870 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 871 | |
| 872 | if (frag->disabled) |
| 873 | local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD; |
| 874 | else if (frag->value < 256 || |
| 875 | frag->value > IEEE80211_MAX_FRAG_THRESHOLD) |
| 876 | return -EINVAL; |
| 877 | else { |
| 878 | /* Fragment length must be even, so strip LSB. */ |
| 879 | local->fragmentation_threshold = frag->value & ~0x1; |
| 880 | } |
| 881 | |
| 882 | /* If the wlan card performs fragmentation in hardware/firmware, |
| 883 | * configure it here */ |
| 884 | |
| 885 | if (local->ops->set_frag_threshold) |
| 886 | local->ops->set_frag_threshold( |
| 887 | local_to_hw(local), |
| 888 | local->fragmentation_threshold); |
| 889 | |
| 890 | return 0; |
| 891 | } |
| 892 | |
| 893 | static int ieee80211_ioctl_giwfrag(struct net_device *dev, |
| 894 | struct iw_request_info *info, |
| 895 | struct iw_param *frag, char *extra) |
| 896 | { |
| 897 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 898 | |
| 899 | frag->value = local->fragmentation_threshold; |
| 900 | frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD); |
| 901 | frag->fixed = 1; |
| 902 | |
| 903 | return 0; |
| 904 | } |
| 905 | |
| 906 | |
| 907 | static int ieee80211_ioctl_siwretry(struct net_device *dev, |
| 908 | struct iw_request_info *info, |
| 909 | struct iw_param *retry, char *extra) |
| 910 | { |
| 911 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 912 | |
| 913 | if (retry->disabled || |
| 914 | (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) |
| 915 | return -EINVAL; |
| 916 | |
| 917 | if (retry->flags & IW_RETRY_MAX) |
| 918 | local->long_retry_limit = retry->value; |
| 919 | else if (retry->flags & IW_RETRY_MIN) |
| 920 | local->short_retry_limit = retry->value; |
| 921 | else { |
| 922 | local->long_retry_limit = retry->value; |
| 923 | local->short_retry_limit = retry->value; |
| 924 | } |
| 925 | |
| 926 | if (local->ops->set_retry_limit) { |
| 927 | return local->ops->set_retry_limit( |
| 928 | local_to_hw(local), |
| 929 | local->short_retry_limit, |
| 930 | local->long_retry_limit); |
| 931 | } |
| 932 | |
| 933 | return 0; |
| 934 | } |
| 935 | |
| 936 | |
| 937 | static int ieee80211_ioctl_giwretry(struct net_device *dev, |
| 938 | struct iw_request_info *info, |
| 939 | struct iw_param *retry, char *extra) |
| 940 | { |
| 941 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 942 | |
| 943 | retry->disabled = 0; |
| 944 | if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) { |
| 945 | /* first return min value, iwconfig will ask max value |
| 946 | * later if needed */ |
| 947 | retry->flags |= IW_RETRY_LIMIT; |
| 948 | retry->value = local->short_retry_limit; |
| 949 | if (local->long_retry_limit != local->short_retry_limit) |
| 950 | retry->flags |= IW_RETRY_MIN; |
| 951 | return 0; |
| 952 | } |
| 953 | if (retry->flags & IW_RETRY_MAX) { |
| 954 | retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX; |
| 955 | retry->value = local->long_retry_limit; |
| 956 | } |
| 957 | |
| 958 | return 0; |
| 959 | } |
| 960 | |
| 961 | static int ieee80211_ioctl_clear_keys(struct net_device *dev) |
| 962 | { |
| 963 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 964 | struct ieee80211_key_conf key; |
| 965 | int i; |
| 966 | u8 addr[ETH_ALEN]; |
| 967 | struct ieee80211_key_conf *keyconf; |
| 968 | struct ieee80211_sub_if_data *sdata; |
| 969 | struct sta_info *sta; |
| 970 | |
| 971 | memset(addr, 0xff, ETH_ALEN); |
| 972 | read_lock(&local->sub_if_lock); |
| 973 | list_for_each_entry(sdata, &local->sub_if_list, list) { |
| 974 | for (i = 0; i < NUM_DEFAULT_KEYS; i++) { |
| 975 | keyconf = NULL; |
| 976 | if (sdata->keys[i] && |
| 977 | !sdata->keys[i]->force_sw_encrypt && |
| 978 | local->ops->set_key && |
| 979 | (keyconf = ieee80211_key_data2conf(local, |
| 980 | sdata->keys[i]))) |
| 981 | local->ops->set_key(local_to_hw(local), |
| 982 | DISABLE_KEY, addr, |
| 983 | keyconf, 0); |
| 984 | kfree(keyconf); |
| 985 | ieee80211_key_free(sdata->keys[i]); |
| 986 | sdata->keys[i] = NULL; |
| 987 | } |
| 988 | sdata->default_key = NULL; |
| 989 | } |
| 990 | read_unlock(&local->sub_if_lock); |
| 991 | |
| 992 | spin_lock_bh(&local->sta_lock); |
| 993 | list_for_each_entry(sta, &local->sta_list, list) { |
| 994 | keyconf = NULL; |
| 995 | if (sta->key && !sta->key->force_sw_encrypt && |
| 996 | local->ops->set_key && |
| 997 | (keyconf = ieee80211_key_data2conf(local, sta->key))) |
| 998 | local->ops->set_key(local_to_hw(local), DISABLE_KEY, |
| 999 | sta->addr, keyconf, sta->aid); |
| 1000 | kfree(keyconf); |
| 1001 | ieee80211_key_free(sta->key); |
| 1002 | sta->key = NULL; |
| 1003 | } |
| 1004 | spin_unlock_bh(&local->sta_lock); |
| 1005 | |
| 1006 | memset(&key, 0, sizeof(key)); |
| 1007 | if (local->ops->set_key && |
| 1008 | local->ops->set_key(local_to_hw(local), REMOVE_ALL_KEYS, |
| 1009 | NULL, &key, 0)) |
| 1010 | printk(KERN_DEBUG "%s: failed to remove hwaccel keys\n", |
| 1011 | dev->name); |
| 1012 | |
| 1013 | return 0; |
| 1014 | } |
| 1015 | |
| 1016 | |
| 1017 | static int |
| 1018 | ieee80211_ioctl_force_unicast_rate(struct net_device *dev, |
| 1019 | struct ieee80211_sub_if_data *sdata, |
| 1020 | int rate) |
| 1021 | { |
| 1022 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 1023 | struct ieee80211_hw_mode *mode; |
| 1024 | int i; |
| 1025 | |
| 1026 | if (sdata->type != IEEE80211_IF_TYPE_AP) |
| 1027 | return -ENOENT; |
| 1028 | |
| 1029 | if (rate == 0) { |
| 1030 | sdata->u.ap.force_unicast_rateidx = -1; |
| 1031 | return 0; |
| 1032 | } |
| 1033 | |
| 1034 | mode = local->oper_hw_mode; |
| 1035 | for (i = 0; i < mode->num_rates; i++) { |
| 1036 | if (mode->rates[i].rate == rate) { |
| 1037 | sdata->u.ap.force_unicast_rateidx = i; |
| 1038 | return 0; |
| 1039 | } |
| 1040 | } |
| 1041 | return -EINVAL; |
| 1042 | } |
| 1043 | |
| 1044 | |
| 1045 | static int |
| 1046 | ieee80211_ioctl_max_ratectrl_rate(struct net_device *dev, |
| 1047 | struct ieee80211_sub_if_data *sdata, |
| 1048 | int rate) |
| 1049 | { |
| 1050 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 1051 | struct ieee80211_hw_mode *mode; |
| 1052 | int i; |
| 1053 | |
| 1054 | if (sdata->type != IEEE80211_IF_TYPE_AP) |
| 1055 | return -ENOENT; |
| 1056 | |
| 1057 | if (rate == 0) { |
| 1058 | sdata->u.ap.max_ratectrl_rateidx = -1; |
| 1059 | return 0; |
| 1060 | } |
| 1061 | |
| 1062 | mode = local->oper_hw_mode; |
| 1063 | for (i = 0; i < mode->num_rates; i++) { |
| 1064 | if (mode->rates[i].rate == rate) { |
| 1065 | sdata->u.ap.max_ratectrl_rateidx = i; |
| 1066 | return 0; |
| 1067 | } |
| 1068 | } |
| 1069 | return -EINVAL; |
| 1070 | } |
| 1071 | |
| 1072 | |
| 1073 | static void ieee80211_key_enable_hwaccel(struct ieee80211_local *local, |
| 1074 | struct ieee80211_key *key) |
| 1075 | { |
| 1076 | struct ieee80211_key_conf *keyconf; |
| 1077 | u8 addr[ETH_ALEN]; |
| 1078 | |
| 1079 | if (!key || key->alg != ALG_WEP || !key->force_sw_encrypt || |
| 1080 | (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP)) |
| 1081 | return; |
| 1082 | |
| 1083 | memset(addr, 0xff, ETH_ALEN); |
| 1084 | keyconf = ieee80211_key_data2conf(local, key); |
| 1085 | if (keyconf && local->ops->set_key && |
| 1086 | local->ops->set_key(local_to_hw(local), |
| 1087 | SET_KEY, addr, keyconf, 0) == 0) { |
| 1088 | key->force_sw_encrypt = |
| 1089 | !!(keyconf->flags & IEEE80211_KEY_FORCE_SW_ENCRYPT); |
| 1090 | key->hw_key_idx = keyconf->hw_key_idx; |
| 1091 | } |
| 1092 | kfree(keyconf); |
| 1093 | } |
| 1094 | |
| 1095 | |
| 1096 | static void ieee80211_key_disable_hwaccel(struct ieee80211_local *local, |
| 1097 | struct ieee80211_key *key) |
| 1098 | { |
| 1099 | struct ieee80211_key_conf *keyconf; |
| 1100 | u8 addr[ETH_ALEN]; |
| 1101 | |
| 1102 | if (!key || key->alg != ALG_WEP || key->force_sw_encrypt || |
| 1103 | (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP)) |
| 1104 | return; |
| 1105 | |
| 1106 | memset(addr, 0xff, ETH_ALEN); |
| 1107 | keyconf = ieee80211_key_data2conf(local, key); |
| 1108 | if (keyconf && local->ops->set_key) |
| 1109 | local->ops->set_key(local_to_hw(local), DISABLE_KEY, |
| 1110 | addr, keyconf, 0); |
| 1111 | kfree(keyconf); |
| 1112 | key->force_sw_encrypt = 1; |
| 1113 | } |
| 1114 | |
| 1115 | |
| 1116 | static int ieee80211_ioctl_default_wep_only(struct ieee80211_local *local, |
| 1117 | int value) |
| 1118 | { |
| 1119 | int i; |
| 1120 | struct ieee80211_sub_if_data *sdata; |
| 1121 | |
| 1122 | local->default_wep_only = value; |
| 1123 | read_lock(&local->sub_if_lock); |
| 1124 | list_for_each_entry(sdata, &local->sub_if_list, list) |
| 1125 | for (i = 0; i < NUM_DEFAULT_KEYS; i++) |
| 1126 | if (value) |
| 1127 | ieee80211_key_enable_hwaccel(local, |
| 1128 | sdata->keys[i]); |
| 1129 | else |
| 1130 | ieee80211_key_disable_hwaccel(local, |
| 1131 | sdata->keys[i]); |
| 1132 | read_unlock(&local->sub_if_lock); |
| 1133 | |
| 1134 | return 0; |
| 1135 | } |
| 1136 | |
| 1137 | |
| 1138 | void ieee80211_update_default_wep_only(struct ieee80211_local *local) |
| 1139 | { |
| 1140 | int i = 0; |
| 1141 | struct ieee80211_sub_if_data *sdata; |
| 1142 | |
| 1143 | read_lock(&local->sub_if_lock); |
| 1144 | list_for_each_entry(sdata, &local->sub_if_list, list) { |
| 1145 | |
| 1146 | if (sdata->dev == local->mdev) |
| 1147 | continue; |
| 1148 | |
| 1149 | /* If there is an AP interface then depend on userspace to |
| 1150 | set default_wep_only correctly. */ |
| 1151 | if (sdata->type == IEEE80211_IF_TYPE_AP) { |
| 1152 | read_unlock(&local->sub_if_lock); |
| 1153 | return; |
| 1154 | } |
| 1155 | |
| 1156 | i++; |
| 1157 | } |
| 1158 | |
| 1159 | read_unlock(&local->sub_if_lock); |
| 1160 | |
| 1161 | if (i <= 1) |
| 1162 | ieee80211_ioctl_default_wep_only(local, 1); |
| 1163 | else |
| 1164 | ieee80211_ioctl_default_wep_only(local, 0); |
| 1165 | } |
| 1166 | |
| 1167 | |
| 1168 | static int ieee80211_ioctl_prism2_param(struct net_device *dev, |
| 1169 | struct iw_request_info *info, |
| 1170 | void *wrqu, char *extra) |
| 1171 | { |
| 1172 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 1173 | struct ieee80211_sub_if_data *sdata; |
| 1174 | int *i = (int *) extra; |
| 1175 | int param = *i; |
| 1176 | int value = *(i + 1); |
| 1177 | int ret = 0; |
| 1178 | |
| 1179 | if (!capable(CAP_NET_ADMIN)) |
| 1180 | return -EPERM; |
| 1181 | |
| 1182 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1183 | |
| 1184 | switch (param) { |
| 1185 | case PRISM2_PARAM_IEEE_802_1X: |
| 1186 | if (local->ops->set_ieee8021x) |
| 1187 | ret = local->ops->set_ieee8021x(local_to_hw(local), |
| 1188 | value); |
| 1189 | if (ret) |
| 1190 | printk(KERN_DEBUG "%s: failed to set IEEE 802.1X (%d) " |
| 1191 | "for low-level driver\n", dev->name, value); |
| 1192 | else |
| 1193 | sdata->ieee802_1x = value; |
| 1194 | break; |
| 1195 | |
| 1196 | case PRISM2_PARAM_ANTSEL_TX: |
| 1197 | local->hw.conf.antenna_sel_tx = value; |
| 1198 | if (ieee80211_hw_config(local)) |
| 1199 | ret = -EINVAL; |
| 1200 | break; |
| 1201 | |
| 1202 | case PRISM2_PARAM_ANTSEL_RX: |
| 1203 | local->hw.conf.antenna_sel_rx = value; |
| 1204 | if (ieee80211_hw_config(local)) |
| 1205 | ret = -EINVAL; |
| 1206 | break; |
| 1207 | |
| 1208 | case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES: |
| 1209 | local->cts_protect_erp_frames = value; |
| 1210 | break; |
| 1211 | |
| 1212 | case PRISM2_PARAM_DROP_UNENCRYPTED: |
| 1213 | sdata->drop_unencrypted = value; |
| 1214 | break; |
| 1215 | |
| 1216 | case PRISM2_PARAM_PREAMBLE: |
| 1217 | local->short_preamble = value; |
| 1218 | break; |
| 1219 | |
| 1220 | case PRISM2_PARAM_STAT_TIME: |
| 1221 | if (!local->stat_time && value) { |
| 1222 | local->stat_timer.expires = jiffies + HZ * value / 100; |
| 1223 | add_timer(&local->stat_timer); |
| 1224 | } else if (local->stat_time && !value) { |
| 1225 | del_timer_sync(&local->stat_timer); |
| 1226 | } |
| 1227 | local->stat_time = value; |
| 1228 | break; |
| 1229 | case PRISM2_PARAM_SHORT_SLOT_TIME: |
| 1230 | if (value) |
| 1231 | local->hw.conf.flags |= IEEE80211_CONF_SHORT_SLOT_TIME; |
| 1232 | else |
| 1233 | local->hw.conf.flags &= ~IEEE80211_CONF_SHORT_SLOT_TIME; |
| 1234 | if (ieee80211_hw_config(local)) |
| 1235 | ret = -EINVAL; |
| 1236 | break; |
| 1237 | |
| 1238 | case PRISM2_PARAM_NEXT_MODE: |
| 1239 | local->next_mode = value; |
| 1240 | break; |
| 1241 | |
| 1242 | case PRISM2_PARAM_CLEAR_KEYS: |
| 1243 | ret = ieee80211_ioctl_clear_keys(dev); |
| 1244 | break; |
| 1245 | |
| 1246 | case PRISM2_PARAM_RADIO_ENABLED: |
| 1247 | ret = ieee80211_ioctl_set_radio_enabled(dev, value); |
| 1248 | break; |
| 1249 | |
| 1250 | case PRISM2_PARAM_ANTENNA_MODE: |
| 1251 | local->hw.conf.antenna_mode = value; |
| 1252 | if (ieee80211_hw_config(local)) |
| 1253 | ret = -EINVAL; |
| 1254 | break; |
| 1255 | |
| 1256 | case PRISM2_PARAM_STA_ANTENNA_SEL: |
| 1257 | local->sta_antenna_sel = value; |
| 1258 | break; |
| 1259 | |
| 1260 | case PRISM2_PARAM_FORCE_UNICAST_RATE: |
| 1261 | ret = ieee80211_ioctl_force_unicast_rate(dev, sdata, value); |
| 1262 | break; |
| 1263 | |
| 1264 | case PRISM2_PARAM_MAX_RATECTRL_RATE: |
| 1265 | ret = ieee80211_ioctl_max_ratectrl_rate(dev, sdata, value); |
| 1266 | break; |
| 1267 | |
| 1268 | case PRISM2_PARAM_RATE_CTRL_NUM_UP: |
| 1269 | local->rate_ctrl_num_up = value; |
| 1270 | break; |
| 1271 | |
| 1272 | case PRISM2_PARAM_RATE_CTRL_NUM_DOWN: |
| 1273 | local->rate_ctrl_num_down = value; |
| 1274 | break; |
| 1275 | |
| 1276 | case PRISM2_PARAM_TX_POWER_REDUCTION: |
| 1277 | if (value < 0) |
| 1278 | ret = -EINVAL; |
| 1279 | else |
| 1280 | local->hw.conf.tx_power_reduction = value; |
| 1281 | break; |
| 1282 | |
| 1283 | case PRISM2_PARAM_KEY_TX_RX_THRESHOLD: |
| 1284 | local->key_tx_rx_threshold = value; |
| 1285 | break; |
| 1286 | |
| 1287 | case PRISM2_PARAM_DEFAULT_WEP_ONLY: |
| 1288 | ret = ieee80211_ioctl_default_wep_only(local, value); |
| 1289 | break; |
| 1290 | |
| 1291 | case PRISM2_PARAM_WIFI_WME_NOACK_TEST: |
| 1292 | local->wifi_wme_noack_test = value; |
| 1293 | break; |
| 1294 | |
| 1295 | case PRISM2_PARAM_SCAN_FLAGS: |
| 1296 | local->scan_flags = value; |
| 1297 | break; |
| 1298 | |
| 1299 | case PRISM2_PARAM_MIXED_CELL: |
| 1300 | if (sdata->type != IEEE80211_IF_TYPE_STA && |
| 1301 | sdata->type != IEEE80211_IF_TYPE_IBSS) |
| 1302 | ret = -EINVAL; |
| 1303 | else |
| 1304 | sdata->u.sta.mixed_cell = !!value; |
| 1305 | break; |
| 1306 | |
| 1307 | case PRISM2_PARAM_HW_MODES: |
| 1308 | local->enabled_modes = value; |
| 1309 | break; |
| 1310 | |
| 1311 | case PRISM2_PARAM_CREATE_IBSS: |
| 1312 | if (sdata->type != IEEE80211_IF_TYPE_IBSS) |
| 1313 | ret = -EINVAL; |
| 1314 | else |
| 1315 | sdata->u.sta.create_ibss = !!value; |
| 1316 | break; |
| 1317 | case PRISM2_PARAM_WMM_ENABLED: |
| 1318 | if (sdata->type != IEEE80211_IF_TYPE_STA && |
| 1319 | sdata->type != IEEE80211_IF_TYPE_IBSS) |
| 1320 | ret = -EINVAL; |
| 1321 | else |
| 1322 | sdata->u.sta.wmm_enabled = !!value; |
| 1323 | break; |
| 1324 | case PRISM2_PARAM_RADAR_DETECT: |
| 1325 | local->hw.conf.radar_detect = value; |
| 1326 | break; |
| 1327 | case PRISM2_PARAM_SPECTRUM_MGMT: |
| 1328 | local->hw.conf.spect_mgmt = value; |
| 1329 | break; |
| 1330 | default: |
| 1331 | ret = -EOPNOTSUPP; |
| 1332 | break; |
| 1333 | } |
| 1334 | |
| 1335 | return ret; |
| 1336 | } |
| 1337 | |
| 1338 | |
| 1339 | static int ieee80211_ioctl_get_prism2_param(struct net_device *dev, |
| 1340 | struct iw_request_info *info, |
| 1341 | void *wrqu, char *extra) |
| 1342 | { |
| 1343 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 1344 | struct ieee80211_sub_if_data *sdata; |
| 1345 | int *param = (int *) extra; |
| 1346 | int ret = 0; |
| 1347 | |
| 1348 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1349 | |
| 1350 | switch (*param) { |
| 1351 | case PRISM2_PARAM_IEEE_802_1X: |
| 1352 | *param = sdata->ieee802_1x; |
| 1353 | break; |
| 1354 | |
| 1355 | case PRISM2_PARAM_ANTSEL_TX: |
| 1356 | *param = local->hw.conf.antenna_sel_tx; |
| 1357 | break; |
| 1358 | |
| 1359 | case PRISM2_PARAM_ANTSEL_RX: |
| 1360 | *param = local->hw.conf.antenna_sel_rx; |
| 1361 | break; |
| 1362 | |
| 1363 | case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES: |
| 1364 | *param = local->cts_protect_erp_frames; |
| 1365 | break; |
| 1366 | |
| 1367 | case PRISM2_PARAM_DROP_UNENCRYPTED: |
| 1368 | *param = sdata->drop_unencrypted; |
| 1369 | break; |
| 1370 | |
| 1371 | case PRISM2_PARAM_PREAMBLE: |
| 1372 | *param = local->short_preamble; |
| 1373 | break; |
| 1374 | |
| 1375 | case PRISM2_PARAM_STAT_TIME: |
| 1376 | *param = local->stat_time; |
| 1377 | break; |
| 1378 | case PRISM2_PARAM_SHORT_SLOT_TIME: |
| 1379 | *param = !!(local->hw.conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME); |
| 1380 | break; |
| 1381 | |
| 1382 | case PRISM2_PARAM_NEXT_MODE: |
| 1383 | *param = local->next_mode; |
| 1384 | break; |
| 1385 | |
| 1386 | case PRISM2_PARAM_ANTENNA_MODE: |
| 1387 | *param = local->hw.conf.antenna_mode; |
| 1388 | break; |
| 1389 | |
| 1390 | case PRISM2_PARAM_STA_ANTENNA_SEL: |
| 1391 | *param = local->sta_antenna_sel; |
| 1392 | break; |
| 1393 | |
| 1394 | case PRISM2_PARAM_RATE_CTRL_NUM_UP: |
| 1395 | *param = local->rate_ctrl_num_up; |
| 1396 | break; |
| 1397 | |
| 1398 | case PRISM2_PARAM_RATE_CTRL_NUM_DOWN: |
| 1399 | *param = local->rate_ctrl_num_down; |
| 1400 | break; |
| 1401 | |
| 1402 | case PRISM2_PARAM_TX_POWER_REDUCTION: |
| 1403 | *param = local->hw.conf.tx_power_reduction; |
| 1404 | break; |
| 1405 | |
| 1406 | case PRISM2_PARAM_KEY_TX_RX_THRESHOLD: |
| 1407 | *param = local->key_tx_rx_threshold; |
| 1408 | break; |
| 1409 | |
| 1410 | case PRISM2_PARAM_DEFAULT_WEP_ONLY: |
| 1411 | *param = local->default_wep_only; |
| 1412 | break; |
| 1413 | |
| 1414 | case PRISM2_PARAM_WIFI_WME_NOACK_TEST: |
| 1415 | *param = local->wifi_wme_noack_test; |
| 1416 | break; |
| 1417 | |
| 1418 | case PRISM2_PARAM_SCAN_FLAGS: |
| 1419 | *param = local->scan_flags; |
| 1420 | break; |
| 1421 | |
| 1422 | case PRISM2_PARAM_HW_MODES: |
| 1423 | *param = local->enabled_modes; |
| 1424 | break; |
| 1425 | |
| 1426 | case PRISM2_PARAM_CREATE_IBSS: |
| 1427 | if (sdata->type != IEEE80211_IF_TYPE_IBSS) |
| 1428 | ret = -EINVAL; |
| 1429 | else |
| 1430 | *param = !!sdata->u.sta.create_ibss; |
| 1431 | break; |
| 1432 | |
| 1433 | case PRISM2_PARAM_MIXED_CELL: |
| 1434 | if (sdata->type != IEEE80211_IF_TYPE_STA && |
| 1435 | sdata->type != IEEE80211_IF_TYPE_IBSS) |
| 1436 | ret = -EINVAL; |
| 1437 | else |
| 1438 | *param = !!sdata->u.sta.mixed_cell; |
| 1439 | break; |
| 1440 | case PRISM2_PARAM_WMM_ENABLED: |
| 1441 | if (sdata->type != IEEE80211_IF_TYPE_STA && |
| 1442 | sdata->type != IEEE80211_IF_TYPE_IBSS) |
| 1443 | ret = -EINVAL; |
| 1444 | else |
| 1445 | *param = !!sdata->u.sta.wmm_enabled; |
| 1446 | break; |
| 1447 | default: |
| 1448 | ret = -EOPNOTSUPP; |
| 1449 | break; |
| 1450 | } |
| 1451 | |
| 1452 | return ret; |
| 1453 | } |
| 1454 | |
| 1455 | static int ieee80211_ioctl_siwmlme(struct net_device *dev, |
| 1456 | struct iw_request_info *info, |
| 1457 | struct iw_point *data, char *extra) |
| 1458 | { |
| 1459 | struct ieee80211_sub_if_data *sdata; |
| 1460 | struct iw_mlme *mlme = (struct iw_mlme *) extra; |
| 1461 | |
| 1462 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1463 | if (sdata->type != IEEE80211_IF_TYPE_STA && |
| 1464 | sdata->type != IEEE80211_IF_TYPE_IBSS) |
| 1465 | return -EINVAL; |
| 1466 | |
| 1467 | switch (mlme->cmd) { |
| 1468 | case IW_MLME_DEAUTH: |
| 1469 | /* TODO: mlme->addr.sa_data */ |
| 1470 | return ieee80211_sta_deauthenticate(dev, mlme->reason_code); |
| 1471 | case IW_MLME_DISASSOC: |
| 1472 | /* TODO: mlme->addr.sa_data */ |
| 1473 | return ieee80211_sta_disassociate(dev, mlme->reason_code); |
| 1474 | default: |
| 1475 | return -EOPNOTSUPP; |
| 1476 | } |
| 1477 | } |
| 1478 | |
| 1479 | |
| 1480 | static int ieee80211_ioctl_siwencode(struct net_device *dev, |
| 1481 | struct iw_request_info *info, |
| 1482 | struct iw_point *erq, char *keybuf) |
| 1483 | { |
| 1484 | struct ieee80211_sub_if_data *sdata; |
| 1485 | int idx, i, alg = ALG_WEP; |
| 1486 | u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
| 1487 | |
| 1488 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1489 | |
| 1490 | idx = erq->flags & IW_ENCODE_INDEX; |
| 1491 | if (idx == 0) { |
| 1492 | if (sdata->default_key) |
| 1493 | for (i = 0; i < NUM_DEFAULT_KEYS; i++) { |
| 1494 | if (sdata->default_key == sdata->keys[i]) { |
| 1495 | idx = i; |
| 1496 | break; |
| 1497 | } |
| 1498 | } |
| 1499 | } else if (idx < 1 || idx > 4) |
| 1500 | return -EINVAL; |
| 1501 | else |
| 1502 | idx--; |
| 1503 | |
| 1504 | if (erq->flags & IW_ENCODE_DISABLED) |
| 1505 | alg = ALG_NONE; |
| 1506 | else if (erq->length == 0) { |
| 1507 | /* No key data - just set the default TX key index */ |
| 1508 | if (sdata->default_key != sdata->keys[idx]) |
| 1509 | sdata->default_key = sdata->keys[idx]; |
| 1510 | return 0; |
| 1511 | } |
| 1512 | |
| 1513 | return ieee80211_set_encryption( |
| 1514 | dev, bcaddr, |
| 1515 | idx, alg, |
| 1516 | !sdata->default_key, |
| 1517 | keybuf, erq->length); |
| 1518 | } |
| 1519 | |
| 1520 | |
| 1521 | static int ieee80211_ioctl_giwencode(struct net_device *dev, |
| 1522 | struct iw_request_info *info, |
| 1523 | struct iw_point *erq, char *key) |
| 1524 | { |
| 1525 | struct ieee80211_sub_if_data *sdata; |
| 1526 | int idx, i; |
| 1527 | |
| 1528 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1529 | |
| 1530 | idx = erq->flags & IW_ENCODE_INDEX; |
| 1531 | if (idx < 1 || idx > 4) { |
| 1532 | idx = -1; |
| 1533 | if (!sdata->default_key) |
| 1534 | idx = 0; |
| 1535 | else for (i = 0; i < NUM_DEFAULT_KEYS; i++) { |
| 1536 | if (sdata->default_key == sdata->keys[i]) { |
| 1537 | idx = i; |
| 1538 | break; |
| 1539 | } |
| 1540 | } |
| 1541 | if (idx < 0) |
| 1542 | return -EINVAL; |
| 1543 | } else |
| 1544 | idx--; |
| 1545 | |
| 1546 | erq->flags = idx + 1; |
| 1547 | |
| 1548 | if (!sdata->keys[idx]) { |
| 1549 | erq->length = 0; |
| 1550 | erq->flags |= IW_ENCODE_DISABLED; |
| 1551 | return 0; |
| 1552 | } |
| 1553 | |
| 1554 | memcpy(key, sdata->keys[idx]->key, |
| 1555 | min((int)erq->length, sdata->keys[idx]->keylen)); |
| 1556 | erq->length = sdata->keys[idx]->keylen; |
| 1557 | erq->flags |= IW_ENCODE_ENABLED; |
| 1558 | |
| 1559 | return 0; |
| 1560 | } |
| 1561 | |
| 1562 | static int ieee80211_ioctl_siwauth(struct net_device *dev, |
| 1563 | struct iw_request_info *info, |
| 1564 | struct iw_param *data, char *extra) |
| 1565 | { |
| 1566 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 1567 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1568 | int ret = 0; |
| 1569 | |
| 1570 | switch (data->flags & IW_AUTH_INDEX) { |
| 1571 | case IW_AUTH_WPA_VERSION: |
| 1572 | case IW_AUTH_CIPHER_PAIRWISE: |
| 1573 | case IW_AUTH_CIPHER_GROUP: |
| 1574 | case IW_AUTH_WPA_ENABLED: |
| 1575 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: |
| 1576 | break; |
| 1577 | case IW_AUTH_KEY_MGMT: |
| 1578 | if (sdata->type != IEEE80211_IF_TYPE_STA) |
| 1579 | ret = -EINVAL; |
| 1580 | else { |
| 1581 | /* |
| 1582 | * TODO: sdata->u.sta.key_mgmt does not match with WE18 |
| 1583 | * value completely; could consider modifying this to |
| 1584 | * be closer to WE18. For now, this value is not really |
| 1585 | * used for anything else than Privacy matching, so the |
| 1586 | * current code here should be more or less OK. |
| 1587 | */ |
| 1588 | if (data->value & IW_AUTH_KEY_MGMT_802_1X) { |
| 1589 | sdata->u.sta.key_mgmt = |
| 1590 | IEEE80211_KEY_MGMT_WPA_EAP; |
| 1591 | } else if (data->value & IW_AUTH_KEY_MGMT_PSK) { |
| 1592 | sdata->u.sta.key_mgmt = |
| 1593 | IEEE80211_KEY_MGMT_WPA_PSK; |
| 1594 | } else { |
| 1595 | sdata->u.sta.key_mgmt = |
| 1596 | IEEE80211_KEY_MGMT_NONE; |
| 1597 | } |
| 1598 | } |
| 1599 | break; |
| 1600 | case IW_AUTH_80211_AUTH_ALG: |
| 1601 | if (sdata->type == IEEE80211_IF_TYPE_STA || |
| 1602 | sdata->type == IEEE80211_IF_TYPE_IBSS) |
| 1603 | sdata->u.sta.auth_algs = data->value; |
| 1604 | else |
| 1605 | ret = -EOPNOTSUPP; |
| 1606 | break; |
| 1607 | case IW_AUTH_PRIVACY_INVOKED: |
| 1608 | if (local->ops->set_privacy_invoked) |
| 1609 | ret = local->ops->set_privacy_invoked( |
| 1610 | local_to_hw(local), data->value); |
| 1611 | break; |
| 1612 | default: |
| 1613 | ret = -EOPNOTSUPP; |
| 1614 | break; |
| 1615 | } |
| 1616 | return ret; |
| 1617 | } |
| 1618 | |
| 1619 | /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ |
| 1620 | static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev) |
| 1621 | { |
| 1622 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| 1623 | struct iw_statistics *wstats = &local->wstats; |
| 1624 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1625 | struct sta_info *sta = NULL; |
| 1626 | |
| 1627 | if (sdata->type == IEEE80211_IF_TYPE_STA || |
| 1628 | sdata->type == IEEE80211_IF_TYPE_IBSS) |
| 1629 | sta = sta_info_get(local, sdata->u.sta.bssid); |
| 1630 | if (!sta) { |
| 1631 | wstats->discard.fragment = 0; |
| 1632 | wstats->discard.misc = 0; |
| 1633 | wstats->qual.qual = 0; |
| 1634 | wstats->qual.level = 0; |
| 1635 | wstats->qual.noise = 0; |
| 1636 | wstats->qual.updated = IW_QUAL_ALL_INVALID; |
| 1637 | } else { |
| 1638 | wstats->qual.level = sta->last_rssi; |
| 1639 | wstats->qual.qual = sta->last_signal; |
| 1640 | wstats->qual.noise = sta->last_noise; |
| 1641 | wstats->qual.updated = local->wstats_flags; |
| 1642 | sta_info_put(sta); |
| 1643 | } |
| 1644 | return wstats; |
| 1645 | } |
| 1646 | |
| 1647 | static int ieee80211_ioctl_giwauth(struct net_device *dev, |
| 1648 | struct iw_request_info *info, |
| 1649 | struct iw_param *data, char *extra) |
| 1650 | { |
| 1651 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1652 | int ret = 0; |
| 1653 | |
| 1654 | switch (data->flags & IW_AUTH_INDEX) { |
| 1655 | case IW_AUTH_80211_AUTH_ALG: |
| 1656 | if (sdata->type == IEEE80211_IF_TYPE_STA || |
| 1657 | sdata->type == IEEE80211_IF_TYPE_IBSS) |
| 1658 | data->value = sdata->u.sta.auth_algs; |
| 1659 | else |
| 1660 | ret = -EOPNOTSUPP; |
| 1661 | break; |
| 1662 | default: |
| 1663 | ret = -EOPNOTSUPP; |
| 1664 | break; |
| 1665 | } |
| 1666 | return ret; |
| 1667 | } |
| 1668 | |
| 1669 | |
| 1670 | static int ieee80211_ioctl_siwencodeext(struct net_device *dev, |
| 1671 | struct iw_request_info *info, |
| 1672 | struct iw_point *erq, char *extra) |
| 1673 | { |
| 1674 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| 1675 | struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; |
| 1676 | int alg, idx, i; |
| 1677 | |
| 1678 | switch (ext->alg) { |
| 1679 | case IW_ENCODE_ALG_NONE: |
| 1680 | alg = ALG_NONE; |
| 1681 | break; |
| 1682 | case IW_ENCODE_ALG_WEP: |
| 1683 | alg = ALG_WEP; |
| 1684 | break; |
| 1685 | case IW_ENCODE_ALG_TKIP: |
| 1686 | alg = ALG_TKIP; |
| 1687 | break; |
| 1688 | case IW_ENCODE_ALG_CCMP: |
| 1689 | alg = ALG_CCMP; |
| 1690 | break; |
| 1691 | default: |
| 1692 | return -EOPNOTSUPP; |
| 1693 | } |
| 1694 | |
| 1695 | if (erq->flags & IW_ENCODE_DISABLED) |
| 1696 | alg = ALG_NONE; |
| 1697 | |
| 1698 | idx = erq->flags & IW_ENCODE_INDEX; |
| 1699 | if (idx < 1 || idx > 4) { |
| 1700 | idx = -1; |
| 1701 | if (!sdata->default_key) |
| 1702 | idx = 0; |
| 1703 | else for (i = 0; i < NUM_DEFAULT_KEYS; i++) { |
| 1704 | if (sdata->default_key == sdata->keys[i]) { |
| 1705 | idx = i; |
| 1706 | break; |
| 1707 | } |
| 1708 | } |
| 1709 | if (idx < 0) |
| 1710 | return -EINVAL; |
| 1711 | } else |
| 1712 | idx--; |
| 1713 | |
| 1714 | return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg, |
| 1715 | ext->ext_flags & |
| 1716 | IW_ENCODE_EXT_SET_TX_KEY, |
| 1717 | ext->key, ext->key_len); |
| 1718 | } |
| 1719 | |
| 1720 | |
| 1721 | static const struct iw_priv_args ieee80211_ioctl_priv[] = { |
| 1722 | { PRISM2_IOCTL_PRISM2_PARAM, |
| 1723 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "param" }, |
| 1724 | { PRISM2_IOCTL_GET_PRISM2_PARAM, |
| 1725 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, |
| 1726 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_param" }, |
| 1727 | }; |
| 1728 | |
| 1729 | /* Structures to export the Wireless Handlers */ |
| 1730 | |
| 1731 | static const iw_handler ieee80211_handler[] = |
| 1732 | { |
| 1733 | (iw_handler) NULL, /* SIOCSIWCOMMIT */ |
| 1734 | (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */ |
| 1735 | (iw_handler) NULL, /* SIOCSIWNWID */ |
| 1736 | (iw_handler) NULL, /* SIOCGIWNWID */ |
| 1737 | (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */ |
| 1738 | (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */ |
| 1739 | (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */ |
| 1740 | (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */ |
| 1741 | (iw_handler) NULL, /* SIOCSIWSENS */ |
| 1742 | (iw_handler) NULL, /* SIOCGIWSENS */ |
| 1743 | (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */ |
| 1744 | (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */ |
| 1745 | (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */ |
| 1746 | (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */ |
| 1747 | (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */ |
| 1748 | (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */ |
| 1749 | iw_handler_set_spy, /* SIOCSIWSPY */ |
| 1750 | iw_handler_get_spy, /* SIOCGIWSPY */ |
| 1751 | iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ |
| 1752 | iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ |
| 1753 | (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */ |
| 1754 | (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */ |
| 1755 | (iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */ |
| 1756 | (iw_handler) NULL, /* SIOCGIWAPLIST */ |
| 1757 | (iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */ |
| 1758 | (iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */ |
| 1759 | (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */ |
| 1760 | (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */ |
| 1761 | (iw_handler) NULL, /* SIOCSIWNICKN */ |
| 1762 | (iw_handler) NULL, /* SIOCGIWNICKN */ |
| 1763 | (iw_handler) NULL, /* -- hole -- */ |
| 1764 | (iw_handler) NULL, /* -- hole -- */ |
| 1765 | (iw_handler) NULL, /* SIOCSIWRATE */ |
| 1766 | (iw_handler) NULL, /* SIOCGIWRATE */ |
| 1767 | (iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */ |
| 1768 | (iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */ |
| 1769 | (iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */ |
| 1770 | (iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */ |
| 1771 | (iw_handler) NULL, /* SIOCSIWTXPOW */ |
| 1772 | (iw_handler) NULL, /* SIOCGIWTXPOW */ |
| 1773 | (iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */ |
| 1774 | (iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */ |
| 1775 | (iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */ |
| 1776 | (iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */ |
| 1777 | (iw_handler) NULL, /* SIOCSIWPOWER */ |
| 1778 | (iw_handler) NULL, /* SIOCGIWPOWER */ |
| 1779 | (iw_handler) NULL, /* -- hole -- */ |
| 1780 | (iw_handler) NULL, /* -- hole -- */ |
| 1781 | (iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */ |
| 1782 | (iw_handler) NULL, /* SIOCGIWGENIE */ |
| 1783 | (iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */ |
| 1784 | (iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */ |
| 1785 | (iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */ |
| 1786 | (iw_handler) NULL, /* SIOCGIWENCODEEXT */ |
| 1787 | (iw_handler) NULL, /* SIOCSIWPMKSA */ |
| 1788 | (iw_handler) NULL, /* -- hole -- */ |
| 1789 | }; |
| 1790 | |
| 1791 | static const iw_handler ieee80211_private_handler[] = |
| 1792 | { /* SIOCIWFIRSTPRIV + */ |
| 1793 | (iw_handler) ieee80211_ioctl_prism2_param, /* 0 */ |
| 1794 | (iw_handler) ieee80211_ioctl_get_prism2_param, /* 1 */ |
| 1795 | }; |
| 1796 | |
| 1797 | const struct iw_handler_def ieee80211_iw_handler_def = |
| 1798 | { |
| 1799 | .num_standard = ARRAY_SIZE(ieee80211_handler), |
| 1800 | .num_private = ARRAY_SIZE(ieee80211_private_handler), |
| 1801 | .num_private_args = ARRAY_SIZE(ieee80211_ioctl_priv), |
| 1802 | .standard = (iw_handler *) ieee80211_handler, |
| 1803 | .private = (iw_handler *) ieee80211_private_handler, |
| 1804 | .private_args = (struct iw_priv_args *) ieee80211_ioctl_priv, |
| 1805 | .get_wireless_stats = ieee80211_get_wireless_stats, |
| 1806 | }; |