| 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * cfg80211 - wext compat code |
| 4 | * |
| 5 | * This is temporary code until all wireless functionality is migrated |
| 6 | * into cfg80211, when that happens all the exports here go away and |
| 7 | * we directly assign the wireless handlers of wireless interfaces. |
| 8 | * |
| 9 | * Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net> |
| 10 | * Copyright (C) 2019-2023 Intel Corporation |
| 11 | */ |
| 12 | |
| 13 | #include <linux/export.h> |
| 14 | #include <linux/wireless.h> |
| 15 | #include <linux/nl80211.h> |
| 16 | #include <linux/if_arp.h> |
| 17 | #include <linux/etherdevice.h> |
| 18 | #include <linux/slab.h> |
| 19 | #include <net/iw_handler.h> |
| 20 | #include <net/cfg80211.h> |
| 21 | #include <net/cfg80211-wext.h> |
| 22 | #include "wext-compat.h" |
| 23 | #include "core.h" |
| 24 | #include "rdev-ops.h" |
| 25 | |
| 26 | int cfg80211_wext_giwname(struct net_device *dev, |
| 27 | struct iw_request_info *info, |
| 28 | union iwreq_data *wrqu, char *extra) |
| 29 | { |
| 30 | strcpy(wrqu->name, "IEEE 802.11"); |
| 31 | return 0; |
| 32 | } |
| 33 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwname); |
| 34 | |
| 35 | int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, |
| 36 | union iwreq_data *wrqu, char *extra) |
| 37 | { |
| 38 | __u32 *mode = &wrqu->mode; |
| 39 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 40 | struct cfg80211_registered_device *rdev; |
| 41 | struct vif_params vifparams; |
| 42 | enum nl80211_iftype type; |
| 43 | int ret; |
| 44 | |
| 45 | rdev = wiphy_to_rdev(wdev->wiphy); |
| 46 | |
| 47 | switch (*mode) { |
| 48 | case IW_MODE_INFRA: |
| 49 | type = NL80211_IFTYPE_STATION; |
| 50 | break; |
| 51 | case IW_MODE_ADHOC: |
| 52 | type = NL80211_IFTYPE_ADHOC; |
| 53 | break; |
| 54 | case IW_MODE_MONITOR: |
| 55 | type = NL80211_IFTYPE_MONITOR; |
| 56 | break; |
| 57 | default: |
| 58 | return -EINVAL; |
| 59 | } |
| 60 | |
| 61 | if (type == wdev->iftype) |
| 62 | return 0; |
| 63 | |
| 64 | memset(&vifparams, 0, sizeof(vifparams)); |
| 65 | |
| 66 | wiphy_lock(wdev->wiphy); |
| 67 | ret = cfg80211_change_iface(rdev, dev, type, &vifparams); |
| 68 | wiphy_unlock(wdev->wiphy); |
| 69 | |
| 70 | return ret; |
| 71 | } |
| 72 | EXPORT_WEXT_HANDLER(cfg80211_wext_siwmode); |
| 73 | |
| 74 | int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, |
| 75 | union iwreq_data *wrqu, char *extra) |
| 76 | { |
| 77 | __u32 *mode = &wrqu->mode; |
| 78 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 79 | |
| 80 | if (!wdev) |
| 81 | return -EOPNOTSUPP; |
| 82 | |
| 83 | switch (wdev->iftype) { |
| 84 | case NL80211_IFTYPE_AP: |
| 85 | *mode = IW_MODE_MASTER; |
| 86 | break; |
| 87 | case NL80211_IFTYPE_STATION: |
| 88 | *mode = IW_MODE_INFRA; |
| 89 | break; |
| 90 | case NL80211_IFTYPE_ADHOC: |
| 91 | *mode = IW_MODE_ADHOC; |
| 92 | break; |
| 93 | case NL80211_IFTYPE_MONITOR: |
| 94 | *mode = IW_MODE_MONITOR; |
| 95 | break; |
| 96 | case NL80211_IFTYPE_WDS: |
| 97 | *mode = IW_MODE_REPEAT; |
| 98 | break; |
| 99 | case NL80211_IFTYPE_AP_VLAN: |
| 100 | *mode = IW_MODE_SECOND; /* FIXME */ |
| 101 | break; |
| 102 | default: |
| 103 | *mode = IW_MODE_AUTO; |
| 104 | break; |
| 105 | } |
| 106 | return 0; |
| 107 | } |
| 108 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwmode); |
| 109 | |
| 110 | |
| 111 | int cfg80211_wext_giwrange(struct net_device *dev, |
| 112 | struct iw_request_info *info, |
| 113 | union iwreq_data *wrqu, char *extra) |
| 114 | { |
| 115 | struct iw_point *data = &wrqu->data; |
| 116 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 117 | struct iw_range *range = (struct iw_range *) extra; |
| 118 | enum nl80211_band band; |
| 119 | int i, c = 0; |
| 120 | |
| 121 | if (!wdev) |
| 122 | return -EOPNOTSUPP; |
| 123 | |
| 124 | data->length = sizeof(struct iw_range); |
| 125 | memset(range, 0, sizeof(struct iw_range)); |
| 126 | |
| 127 | range->we_version_compiled = WIRELESS_EXT; |
| 128 | range->we_version_source = 21; |
| 129 | range->retry_capa = IW_RETRY_LIMIT; |
| 130 | range->retry_flags = IW_RETRY_LIMIT; |
| 131 | range->min_retry = 0; |
| 132 | range->max_retry = 255; |
| 133 | range->min_rts = 0; |
| 134 | range->max_rts = 2347; |
| 135 | range->min_frag = 256; |
| 136 | range->max_frag = 2346; |
| 137 | |
| 138 | range->max_encoding_tokens = 4; |
| 139 | |
| 140 | range->max_qual.updated = IW_QUAL_NOISE_INVALID; |
| 141 | |
| 142 | switch (wdev->wiphy->signal_type) { |
| 143 | case CFG80211_SIGNAL_TYPE_NONE: |
| 144 | break; |
| 145 | case CFG80211_SIGNAL_TYPE_MBM: |
| 146 | range->max_qual.level = (u8)-110; |
| 147 | range->max_qual.qual = 70; |
| 148 | range->avg_qual.qual = 35; |
| 149 | range->max_qual.updated |= IW_QUAL_DBM; |
| 150 | range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; |
| 151 | range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; |
| 152 | break; |
| 153 | case CFG80211_SIGNAL_TYPE_UNSPEC: |
| 154 | range->max_qual.level = 100; |
| 155 | range->max_qual.qual = 100; |
| 156 | range->avg_qual.qual = 50; |
| 157 | range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; |
| 158 | range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; |
| 159 | break; |
| 160 | } |
| 161 | |
| 162 | range->avg_qual.level = range->max_qual.level / 2; |
| 163 | range->avg_qual.noise = range->max_qual.noise / 2; |
| 164 | range->avg_qual.updated = range->max_qual.updated; |
| 165 | |
| 166 | for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) { |
| 167 | switch (wdev->wiphy->cipher_suites[i]) { |
| 168 | case WLAN_CIPHER_SUITE_TKIP: |
| 169 | range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP | |
| 170 | IW_ENC_CAPA_WPA); |
| 171 | break; |
| 172 | |
| 173 | case WLAN_CIPHER_SUITE_CCMP: |
| 174 | range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP | |
| 175 | IW_ENC_CAPA_WPA2); |
| 176 | break; |
| 177 | |
| 178 | case WLAN_CIPHER_SUITE_WEP40: |
| 179 | range->encoding_size[range->num_encoding_sizes++] = |
| 180 | WLAN_KEY_LEN_WEP40; |
| 181 | break; |
| 182 | |
| 183 | case WLAN_CIPHER_SUITE_WEP104: |
| 184 | range->encoding_size[range->num_encoding_sizes++] = |
| 185 | WLAN_KEY_LEN_WEP104; |
| 186 | break; |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | for (band = 0; band < NUM_NL80211_BANDS; band ++) { |
| 191 | struct ieee80211_supported_band *sband; |
| 192 | |
| 193 | sband = wdev->wiphy->bands[band]; |
| 194 | |
| 195 | if (!sband) |
| 196 | continue; |
| 197 | |
| 198 | for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { |
| 199 | struct ieee80211_channel *chan = &sband->channels[i]; |
| 200 | |
| 201 | if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { |
| 202 | range->freq[c].i = |
| 203 | ieee80211_frequency_to_channel( |
| 204 | chan->center_freq); |
| 205 | range->freq[c].m = chan->center_freq; |
| 206 | range->freq[c].e = 6; |
| 207 | c++; |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | range->num_channels = c; |
| 212 | range->num_frequency = c; |
| 213 | |
| 214 | IW_EVENT_CAPA_SET_KERNEL(range->event_capa); |
| 215 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); |
| 216 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); |
| 217 | |
| 218 | if (wdev->wiphy->max_scan_ssids > 0) |
| 219 | range->scan_capa |= IW_SCAN_CAPA_ESSID; |
| 220 | |
| 221 | return 0; |
| 222 | } |
| 223 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwrange); |
| 224 | |
| 225 | |
| 226 | /** |
| 227 | * cfg80211_wext_freq - get wext frequency for non-"auto" |
| 228 | * @freq: the wext freq encoding |
| 229 | * |
| 230 | * Returns: a frequency, or a negative error code, or 0 for auto. |
| 231 | */ |
| 232 | int cfg80211_wext_freq(struct iw_freq *freq) |
| 233 | { |
| 234 | /* |
| 235 | * Parse frequency - return 0 for auto and |
| 236 | * -EINVAL for impossible things. |
| 237 | */ |
| 238 | if (freq->e == 0) { |
| 239 | enum nl80211_band band = NL80211_BAND_2GHZ; |
| 240 | if (freq->m < 0) |
| 241 | return 0; |
| 242 | if (freq->m > 14) |
| 243 | band = NL80211_BAND_5GHZ; |
| 244 | return ieee80211_channel_to_frequency(freq->m, band); |
| 245 | } else { |
| 246 | int i, div = 1000000; |
| 247 | for (i = 0; i < freq->e; i++) |
| 248 | div /= 10; |
| 249 | if (div <= 0) |
| 250 | return -EINVAL; |
| 251 | return freq->m / div; |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | int cfg80211_wext_siwrts(struct net_device *dev, |
| 256 | struct iw_request_info *info, |
| 257 | union iwreq_data *wrqu, char *extra) |
| 258 | { |
| 259 | struct iw_param *rts = &wrqu->rts; |
| 260 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 261 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 262 | u32 orts = wdev->wiphy->rts_threshold; |
| 263 | int err; |
| 264 | |
| 265 | wiphy_lock(&rdev->wiphy); |
| 266 | if (rts->disabled || !rts->fixed) { |
| 267 | wdev->wiphy->rts_threshold = (u32) -1; |
| 268 | } else if (rts->value < 0) { |
| 269 | err = -EINVAL; |
| 270 | goto out; |
| 271 | } else { |
| 272 | wdev->wiphy->rts_threshold = rts->value; |
| 273 | } |
| 274 | |
| 275 | err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_RTS_THRESHOLD); |
| 276 | |
| 277 | if (err) |
| 278 | wdev->wiphy->rts_threshold = orts; |
| 279 | |
| 280 | out: |
| 281 | wiphy_unlock(&rdev->wiphy); |
| 282 | return err; |
| 283 | } |
| 284 | EXPORT_WEXT_HANDLER(cfg80211_wext_siwrts); |
| 285 | |
| 286 | int cfg80211_wext_giwrts(struct net_device *dev, |
| 287 | struct iw_request_info *info, |
| 288 | union iwreq_data *wrqu, char *extra) |
| 289 | { |
| 290 | struct iw_param *rts = &wrqu->rts; |
| 291 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 292 | |
| 293 | rts->value = wdev->wiphy->rts_threshold; |
| 294 | rts->disabled = rts->value == (u32) -1; |
| 295 | rts->fixed = 1; |
| 296 | |
| 297 | return 0; |
| 298 | } |
| 299 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwrts); |
| 300 | |
| 301 | int cfg80211_wext_siwfrag(struct net_device *dev, |
| 302 | struct iw_request_info *info, |
| 303 | union iwreq_data *wrqu, char *extra) |
| 304 | { |
| 305 | struct iw_param *frag = &wrqu->frag; |
| 306 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 307 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 308 | u32 ofrag = wdev->wiphy->frag_threshold; |
| 309 | int err; |
| 310 | |
| 311 | wiphy_lock(&rdev->wiphy); |
| 312 | if (frag->disabled || !frag->fixed) { |
| 313 | wdev->wiphy->frag_threshold = (u32) -1; |
| 314 | } else if (frag->value < 256) { |
| 315 | err = -EINVAL; |
| 316 | goto out; |
| 317 | } else { |
| 318 | /* Fragment length must be even, so strip LSB. */ |
| 319 | wdev->wiphy->frag_threshold = frag->value & ~0x1; |
| 320 | } |
| 321 | |
| 322 | err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_FRAG_THRESHOLD); |
| 323 | if (err) |
| 324 | wdev->wiphy->frag_threshold = ofrag; |
| 325 | out: |
| 326 | wiphy_unlock(&rdev->wiphy); |
| 327 | |
| 328 | return err; |
| 329 | } |
| 330 | EXPORT_WEXT_HANDLER(cfg80211_wext_siwfrag); |
| 331 | |
| 332 | int cfg80211_wext_giwfrag(struct net_device *dev, |
| 333 | struct iw_request_info *info, |
| 334 | union iwreq_data *wrqu, char *extra) |
| 335 | { |
| 336 | struct iw_param *frag = &wrqu->frag; |
| 337 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 338 | |
| 339 | frag->value = wdev->wiphy->frag_threshold; |
| 340 | frag->disabled = frag->value == (u32) -1; |
| 341 | frag->fixed = 1; |
| 342 | |
| 343 | return 0; |
| 344 | } |
| 345 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwfrag); |
| 346 | |
| 347 | static int cfg80211_wext_siwretry(struct net_device *dev, |
| 348 | struct iw_request_info *info, |
| 349 | union iwreq_data *wrqu, char *extra) |
| 350 | { |
| 351 | struct iw_param *retry = &wrqu->retry; |
| 352 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 353 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 354 | u32 changed = 0; |
| 355 | u8 olong = wdev->wiphy->retry_long; |
| 356 | u8 oshort = wdev->wiphy->retry_short; |
| 357 | int err; |
| 358 | |
| 359 | if (retry->disabled || retry->value < 1 || retry->value > 255 || |
| 360 | (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT) |
| 361 | return -EINVAL; |
| 362 | |
| 363 | wiphy_lock(&rdev->wiphy); |
| 364 | if (retry->flags & IW_RETRY_LONG) { |
| 365 | wdev->wiphy->retry_long = retry->value; |
| 366 | changed |= WIPHY_PARAM_RETRY_LONG; |
| 367 | } else if (retry->flags & IW_RETRY_SHORT) { |
| 368 | wdev->wiphy->retry_short = retry->value; |
| 369 | changed |= WIPHY_PARAM_RETRY_SHORT; |
| 370 | } else { |
| 371 | wdev->wiphy->retry_short = retry->value; |
| 372 | wdev->wiphy->retry_long = retry->value; |
| 373 | changed |= WIPHY_PARAM_RETRY_LONG; |
| 374 | changed |= WIPHY_PARAM_RETRY_SHORT; |
| 375 | } |
| 376 | |
| 377 | err = rdev_set_wiphy_params(rdev, changed); |
| 378 | if (err) { |
| 379 | wdev->wiphy->retry_short = oshort; |
| 380 | wdev->wiphy->retry_long = olong; |
| 381 | } |
| 382 | wiphy_unlock(&rdev->wiphy); |
| 383 | |
| 384 | return err; |
| 385 | } |
| 386 | |
| 387 | int cfg80211_wext_giwretry(struct net_device *dev, |
| 388 | struct iw_request_info *info, |
| 389 | union iwreq_data *wrqu, char *extra) |
| 390 | { |
| 391 | struct iw_param *retry = &wrqu->retry; |
| 392 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 393 | |
| 394 | retry->disabled = 0; |
| 395 | |
| 396 | if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) { |
| 397 | /* |
| 398 | * First return short value, iwconfig will ask long value |
| 399 | * later if needed |
| 400 | */ |
| 401 | retry->flags |= IW_RETRY_LIMIT | IW_RETRY_SHORT; |
| 402 | retry->value = wdev->wiphy->retry_short; |
| 403 | if (wdev->wiphy->retry_long == wdev->wiphy->retry_short) |
| 404 | retry->flags |= IW_RETRY_LONG; |
| 405 | |
| 406 | return 0; |
| 407 | } |
| 408 | |
| 409 | if (retry->flags & IW_RETRY_LONG) { |
| 410 | retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; |
| 411 | retry->value = wdev->wiphy->retry_long; |
| 412 | } |
| 413 | |
| 414 | return 0; |
| 415 | } |
| 416 | EXPORT_WEXT_HANDLER(cfg80211_wext_giwretry); |
| 417 | |
| 418 | static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev, |
| 419 | struct net_device *dev, bool pairwise, |
| 420 | const u8 *addr, bool remove, bool tx_key, |
| 421 | int idx, struct key_params *params) |
| 422 | { |
| 423 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 424 | int err, i; |
| 425 | bool rejoin = false; |
| 426 | |
| 427 | if (wdev->valid_links) |
| 428 | return -EINVAL; |
| 429 | |
| 430 | if (pairwise && !addr) |
| 431 | return -EINVAL; |
| 432 | |
| 433 | /* |
| 434 | * In many cases we won't actually need this, but it's better |
| 435 | * to do it first in case the allocation fails. Don't use wext. |
| 436 | */ |
| 437 | if (!wdev->wext.keys) { |
| 438 | wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys), |
| 439 | GFP_KERNEL); |
| 440 | if (!wdev->wext.keys) |
| 441 | return -ENOMEM; |
| 442 | for (i = 0; i < 4; i++) |
| 443 | wdev->wext.keys->params[i].key = |
| 444 | wdev->wext.keys->data[i]; |
| 445 | } |
| 446 | |
| 447 | if (wdev->iftype != NL80211_IFTYPE_ADHOC && |
| 448 | wdev->iftype != NL80211_IFTYPE_STATION) |
| 449 | return -EOPNOTSUPP; |
| 450 | |
| 451 | if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) { |
| 452 | if (!wdev->connected) |
| 453 | return -ENOLINK; |
| 454 | |
| 455 | if (!rdev->ops->set_default_mgmt_key) |
| 456 | return -EOPNOTSUPP; |
| 457 | |
| 458 | if (idx < 4 || idx > 5) |
| 459 | return -EINVAL; |
| 460 | } else if (idx < 0 || idx > 3) |
| 461 | return -EINVAL; |
| 462 | |
| 463 | if (remove) { |
| 464 | err = 0; |
| 465 | if (wdev->connected || |
| 466 | (wdev->iftype == NL80211_IFTYPE_ADHOC && |
| 467 | wdev->u.ibss.current_bss)) { |
| 468 | /* |
| 469 | * If removing the current TX key, we will need to |
| 470 | * join a new IBSS without the privacy bit clear. |
| 471 | */ |
| 472 | if (idx == wdev->wext.default_key && |
| 473 | wdev->iftype == NL80211_IFTYPE_ADHOC) { |
| 474 | cfg80211_leave_ibss(rdev, wdev->netdev, true); |
| 475 | rejoin = true; |
| 476 | } |
| 477 | |
| 478 | if (!pairwise && addr && |
| 479 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
| 480 | err = -ENOENT; |
| 481 | else |
| 482 | err = rdev_del_key(rdev, dev, -1, idx, pairwise, |
| 483 | addr); |
| 484 | } |
| 485 | wdev->wext.connect.privacy = false; |
| 486 | /* |
| 487 | * Applications using wireless extensions expect to be |
| 488 | * able to delete keys that don't exist, so allow that. |
| 489 | */ |
| 490 | if (err == -ENOENT) |
| 491 | err = 0; |
| 492 | if (!err) { |
| 493 | if (!addr && idx < 4) { |
| 494 | memset(wdev->wext.keys->data[idx], 0, |
| 495 | sizeof(wdev->wext.keys->data[idx])); |
| 496 | wdev->wext.keys->params[idx].key_len = 0; |
| 497 | wdev->wext.keys->params[idx].cipher = 0; |
| 498 | } |
| 499 | if (idx == wdev->wext.default_key) |
| 500 | wdev->wext.default_key = -1; |
| 501 | else if (idx == wdev->wext.default_mgmt_key) |
| 502 | wdev->wext.default_mgmt_key = -1; |
| 503 | } |
| 504 | |
| 505 | if (!err && rejoin) |
| 506 | err = cfg80211_ibss_wext_join(rdev, wdev); |
| 507 | |
| 508 | return err; |
| 509 | } |
| 510 | |
| 511 | if (addr) |
| 512 | tx_key = false; |
| 513 | |
| 514 | if (cfg80211_validate_key_settings(rdev, params, idx, pairwise, addr)) |
| 515 | return -EINVAL; |
| 516 | |
| 517 | err = 0; |
| 518 | if (wdev->connected || |
| 519 | (wdev->iftype == NL80211_IFTYPE_ADHOC && |
| 520 | wdev->u.ibss.current_bss)) |
| 521 | err = rdev_add_key(rdev, dev, -1, idx, pairwise, addr, params); |
| 522 | else if (params->cipher != WLAN_CIPHER_SUITE_WEP40 && |
| 523 | params->cipher != WLAN_CIPHER_SUITE_WEP104) |
| 524 | return -EINVAL; |
| 525 | if (err) |
| 526 | return err; |
| 527 | |
| 528 | /* |
| 529 | * We only need to store WEP keys, since they're the only keys that |
| 530 | * can be set before a connection is established and persist after |
| 531 | * disconnecting. |
| 532 | */ |
| 533 | if (!addr && (params->cipher == WLAN_CIPHER_SUITE_WEP40 || |
| 534 | params->cipher == WLAN_CIPHER_SUITE_WEP104)) { |
| 535 | wdev->wext.keys->params[idx] = *params; |
| 536 | memcpy(wdev->wext.keys->data[idx], |
| 537 | params->key, params->key_len); |
| 538 | wdev->wext.keys->params[idx].key = |
| 539 | wdev->wext.keys->data[idx]; |
| 540 | } |
| 541 | |
| 542 | if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 || |
| 543 | params->cipher == WLAN_CIPHER_SUITE_WEP104) && |
| 544 | (tx_key || (!addr && wdev->wext.default_key == -1))) { |
| 545 | if (wdev->connected || |
| 546 | (wdev->iftype == NL80211_IFTYPE_ADHOC && |
| 547 | wdev->u.ibss.current_bss)) { |
| 548 | /* |
| 549 | * If we are getting a new TX key from not having |
| 550 | * had one before we need to join a new IBSS with |
| 551 | * the privacy bit set. |
| 552 | */ |
| 553 | if (wdev->iftype == NL80211_IFTYPE_ADHOC && |
| 554 | wdev->wext.default_key == -1) { |
| 555 | cfg80211_leave_ibss(rdev, wdev->netdev, true); |
| 556 | rejoin = true; |
| 557 | } |
| 558 | err = rdev_set_default_key(rdev, dev, -1, idx, true, |
| 559 | true); |
| 560 | } |
| 561 | if (!err) { |
| 562 | wdev->wext.default_key = idx; |
| 563 | if (rejoin) |
| 564 | err = cfg80211_ibss_wext_join(rdev, wdev); |
| 565 | } |
| 566 | return err; |
| 567 | } |
| 568 | |
| 569 | if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC && |
| 570 | (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) { |
| 571 | if (wdev->connected || |
| 572 | (wdev->iftype == NL80211_IFTYPE_ADHOC && |
| 573 | wdev->u.ibss.current_bss)) |
| 574 | err = rdev_set_default_mgmt_key(rdev, dev, -1, idx); |
| 575 | if (!err) |
| 576 | wdev->wext.default_mgmt_key = idx; |
| 577 | return err; |
| 578 | } |
| 579 | |
| 580 | return 0; |
| 581 | } |
| 582 | |
| 583 | static int cfg80211_wext_siwencode(struct net_device *dev, |
| 584 | struct iw_request_info *info, |
| 585 | union iwreq_data *wrqu, char *keybuf) |
| 586 | { |
| 587 | struct iw_point *erq = &wrqu->encoding; |
| 588 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 589 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 590 | int idx, err; |
| 591 | bool remove = false; |
| 592 | struct key_params params; |
| 593 | |
| 594 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
| 595 | wdev->iftype != NL80211_IFTYPE_ADHOC) |
| 596 | return -EOPNOTSUPP; |
| 597 | |
| 598 | /* no use -- only MFP (set_default_mgmt_key) is optional */ |
| 599 | if (!rdev->ops->del_key || |
| 600 | !rdev->ops->add_key || |
| 601 | !rdev->ops->set_default_key) |
| 602 | return -EOPNOTSUPP; |
| 603 | |
| 604 | wiphy_lock(&rdev->wiphy); |
| 605 | if (wdev->valid_links) { |
| 606 | err = -EOPNOTSUPP; |
| 607 | goto out; |
| 608 | } |
| 609 | |
| 610 | idx = erq->flags & IW_ENCODE_INDEX; |
| 611 | if (idx == 0) { |
| 612 | idx = wdev->wext.default_key; |
| 613 | if (idx < 0) |
| 614 | idx = 0; |
| 615 | } else if (idx < 1 || idx > 4) { |
| 616 | err = -EINVAL; |
| 617 | goto out; |
| 618 | } else { |
| 619 | idx--; |
| 620 | } |
| 621 | |
| 622 | if (erq->flags & IW_ENCODE_DISABLED) |
| 623 | remove = true; |
| 624 | else if (erq->length == 0) { |
| 625 | /* No key data - just set the default TX key index */ |
| 626 | err = 0; |
| 627 | if (wdev->connected || |
| 628 | (wdev->iftype == NL80211_IFTYPE_ADHOC && |
| 629 | wdev->u.ibss.current_bss)) |
| 630 | err = rdev_set_default_key(rdev, dev, -1, idx, true, |
| 631 | true); |
| 632 | if (!err) |
| 633 | wdev->wext.default_key = idx; |
| 634 | goto out; |
| 635 | } |
| 636 | |
| 637 | memset(¶ms, 0, sizeof(params)); |
| 638 | params.key = keybuf; |
| 639 | params.key_len = erq->length; |
| 640 | if (erq->length == 5) { |
| 641 | params.cipher = WLAN_CIPHER_SUITE_WEP40; |
| 642 | } else if (erq->length == 13) { |
| 643 | params.cipher = WLAN_CIPHER_SUITE_WEP104; |
| 644 | } else if (!remove) { |
| 645 | err = -EINVAL; |
| 646 | goto out; |
| 647 | } |
| 648 | |
| 649 | err = cfg80211_set_encryption(rdev, dev, false, NULL, remove, |
| 650 | wdev->wext.default_key == -1, |
| 651 | idx, ¶ms); |
| 652 | out: |
| 653 | wiphy_unlock(&rdev->wiphy); |
| 654 | |
| 655 | return err; |
| 656 | } |
| 657 | |
| 658 | static int cfg80211_wext_siwencodeext(struct net_device *dev, |
| 659 | struct iw_request_info *info, |
| 660 | union iwreq_data *wrqu, char *extra) |
| 661 | { |
| 662 | struct iw_point *erq = &wrqu->encoding; |
| 663 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 664 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 665 | struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; |
| 666 | const u8 *addr; |
| 667 | int idx; |
| 668 | bool remove = false; |
| 669 | struct key_params params; |
| 670 | u32 cipher; |
| 671 | int ret; |
| 672 | |
| 673 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
| 674 | wdev->iftype != NL80211_IFTYPE_ADHOC) |
| 675 | return -EOPNOTSUPP; |
| 676 | |
| 677 | /* no use -- only MFP (set_default_mgmt_key) is optional */ |
| 678 | if (!rdev->ops->del_key || |
| 679 | !rdev->ops->add_key || |
| 680 | !rdev->ops->set_default_key) |
| 681 | return -EOPNOTSUPP; |
| 682 | |
| 683 | if (wdev->valid_links) |
| 684 | return -EOPNOTSUPP; |
| 685 | |
| 686 | switch (ext->alg) { |
| 687 | case IW_ENCODE_ALG_NONE: |
| 688 | remove = true; |
| 689 | cipher = 0; |
| 690 | break; |
| 691 | case IW_ENCODE_ALG_WEP: |
| 692 | if (ext->key_len == 5) |
| 693 | cipher = WLAN_CIPHER_SUITE_WEP40; |
| 694 | else if (ext->key_len == 13) |
| 695 | cipher = WLAN_CIPHER_SUITE_WEP104; |
| 696 | else |
| 697 | return -EINVAL; |
| 698 | break; |
| 699 | case IW_ENCODE_ALG_TKIP: |
| 700 | cipher = WLAN_CIPHER_SUITE_TKIP; |
| 701 | break; |
| 702 | case IW_ENCODE_ALG_CCMP: |
| 703 | cipher = WLAN_CIPHER_SUITE_CCMP; |
| 704 | break; |
| 705 | case IW_ENCODE_ALG_AES_CMAC: |
| 706 | cipher = WLAN_CIPHER_SUITE_AES_CMAC; |
| 707 | break; |
| 708 | default: |
| 709 | return -EOPNOTSUPP; |
| 710 | } |
| 711 | |
| 712 | if (erq->flags & IW_ENCODE_DISABLED) |
| 713 | remove = true; |
| 714 | |
| 715 | idx = erq->flags & IW_ENCODE_INDEX; |
| 716 | if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) { |
| 717 | if (idx < 4 || idx > 5) { |
| 718 | idx = wdev->wext.default_mgmt_key; |
| 719 | if (idx < 0) |
| 720 | return -EINVAL; |
| 721 | } else |
| 722 | idx--; |
| 723 | } else { |
| 724 | if (idx < 1 || idx > 4) { |
| 725 | idx = wdev->wext.default_key; |
| 726 | if (idx < 0) |
| 727 | return -EINVAL; |
| 728 | } else |
| 729 | idx--; |
| 730 | } |
| 731 | |
| 732 | addr = ext->addr.sa_data; |
| 733 | if (is_broadcast_ether_addr(addr)) |
| 734 | addr = NULL; |
| 735 | |
| 736 | memset(¶ms, 0, sizeof(params)); |
| 737 | params.key = ext->key; |
| 738 | params.key_len = ext->key_len; |
| 739 | params.cipher = cipher; |
| 740 | |
| 741 | if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) { |
| 742 | params.seq = ext->rx_seq; |
| 743 | params.seq_len = 6; |
| 744 | } |
| 745 | |
| 746 | wiphy_lock(wdev->wiphy); |
| 747 | ret = cfg80211_set_encryption( |
| 748 | rdev, dev, |
| 749 | !(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY), |
| 750 | addr, remove, |
| 751 | ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY, |
| 752 | idx, ¶ms); |
| 753 | wiphy_unlock(wdev->wiphy); |
| 754 | |
| 755 | return ret; |
| 756 | } |
| 757 | |
| 758 | static int cfg80211_wext_giwencode(struct net_device *dev, |
| 759 | struct iw_request_info *info, |
| 760 | union iwreq_data *wrqu, char *keybuf) |
| 761 | { |
| 762 | struct iw_point *erq = &wrqu->encoding; |
| 763 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 764 | int idx; |
| 765 | |
| 766 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
| 767 | wdev->iftype != NL80211_IFTYPE_ADHOC) |
| 768 | return -EOPNOTSUPP; |
| 769 | |
| 770 | idx = erq->flags & IW_ENCODE_INDEX; |
| 771 | if (idx == 0) { |
| 772 | idx = wdev->wext.default_key; |
| 773 | if (idx < 0) |
| 774 | idx = 0; |
| 775 | } else if (idx < 1 || idx > 4) |
| 776 | return -EINVAL; |
| 777 | else |
| 778 | idx--; |
| 779 | |
| 780 | erq->flags = idx + 1; |
| 781 | |
| 782 | if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) { |
| 783 | erq->flags |= IW_ENCODE_DISABLED; |
| 784 | erq->length = 0; |
| 785 | return 0; |
| 786 | } |
| 787 | |
| 788 | erq->length = min_t(size_t, erq->length, |
| 789 | wdev->wext.keys->params[idx].key_len); |
| 790 | memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length); |
| 791 | erq->flags |= IW_ENCODE_ENABLED; |
| 792 | |
| 793 | return 0; |
| 794 | } |
| 795 | |
| 796 | static int cfg80211_wext_siwfreq(struct net_device *dev, |
| 797 | struct iw_request_info *info, |
| 798 | union iwreq_data *wrqu, char *extra) |
| 799 | { |
| 800 | struct iw_freq *wextfreq = &wrqu->freq; |
| 801 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 802 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 803 | struct cfg80211_chan_def chandef = { |
| 804 | .width = NL80211_CHAN_WIDTH_20_NOHT, |
| 805 | }; |
| 806 | int freq, ret; |
| 807 | |
| 808 | wiphy_lock(&rdev->wiphy); |
| 809 | |
| 810 | switch (wdev->iftype) { |
| 811 | case NL80211_IFTYPE_STATION: |
| 812 | ret = cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra); |
| 813 | break; |
| 814 | case NL80211_IFTYPE_ADHOC: |
| 815 | ret = cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra); |
| 816 | break; |
| 817 | case NL80211_IFTYPE_MONITOR: |
| 818 | freq = cfg80211_wext_freq(wextfreq); |
| 819 | if (freq < 0) { |
| 820 | ret = freq; |
| 821 | break; |
| 822 | } |
| 823 | if (freq == 0) { |
| 824 | ret = -EINVAL; |
| 825 | break; |
| 826 | } |
| 827 | chandef.center_freq1 = freq; |
| 828 | chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); |
| 829 | if (!chandef.chan) { |
| 830 | ret = -EINVAL; |
| 831 | break; |
| 832 | } |
| 833 | ret = cfg80211_set_monitor_channel(rdev, &chandef); |
| 834 | break; |
| 835 | case NL80211_IFTYPE_MESH_POINT: |
| 836 | freq = cfg80211_wext_freq(wextfreq); |
| 837 | if (freq < 0) { |
| 838 | ret = freq; |
| 839 | break; |
| 840 | } |
| 841 | if (freq == 0) { |
| 842 | ret = -EINVAL; |
| 843 | break; |
| 844 | } |
| 845 | chandef.center_freq1 = freq; |
| 846 | chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq); |
| 847 | if (!chandef.chan) { |
| 848 | ret = -EINVAL; |
| 849 | break; |
| 850 | } |
| 851 | ret = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
| 852 | break; |
| 853 | default: |
| 854 | ret = -EOPNOTSUPP; |
| 855 | break; |
| 856 | } |
| 857 | |
| 858 | wiphy_unlock(&rdev->wiphy); |
| 859 | |
| 860 | return ret; |
| 861 | } |
| 862 | |
| 863 | static int cfg80211_wext_giwfreq(struct net_device *dev, |
| 864 | struct iw_request_info *info, |
| 865 | union iwreq_data *wrqu, char *extra) |
| 866 | { |
| 867 | struct iw_freq *freq = &wrqu->freq; |
| 868 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 869 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 870 | struct cfg80211_chan_def chandef = {}; |
| 871 | int ret; |
| 872 | |
| 873 | wiphy_lock(&rdev->wiphy); |
| 874 | switch (wdev->iftype) { |
| 875 | case NL80211_IFTYPE_STATION: |
| 876 | ret = cfg80211_mgd_wext_giwfreq(dev, info, freq, extra); |
| 877 | break; |
| 878 | case NL80211_IFTYPE_ADHOC: |
| 879 | ret = cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); |
| 880 | break; |
| 881 | case NL80211_IFTYPE_MONITOR: |
| 882 | if (!rdev->ops->get_channel) { |
| 883 | ret = -EINVAL; |
| 884 | break; |
| 885 | } |
| 886 | |
| 887 | ret = rdev_get_channel(rdev, wdev, 0, &chandef); |
| 888 | if (ret) |
| 889 | break; |
| 890 | freq->m = chandef.chan->center_freq; |
| 891 | freq->e = 6; |
| 892 | ret = 0; |
| 893 | break; |
| 894 | default: |
| 895 | ret = -EINVAL; |
| 896 | break; |
| 897 | } |
| 898 | |
| 899 | wiphy_unlock(&rdev->wiphy); |
| 900 | |
| 901 | return ret; |
| 902 | } |
| 903 | |
| 904 | static int cfg80211_wext_siwtxpower(struct net_device *dev, |
| 905 | struct iw_request_info *info, |
| 906 | union iwreq_data *data, char *extra) |
| 907 | { |
| 908 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 909 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 910 | enum nl80211_tx_power_setting type; |
| 911 | int dbm = 0; |
| 912 | int ret; |
| 913 | |
| 914 | if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) |
| 915 | return -EINVAL; |
| 916 | if (data->txpower.flags & IW_TXPOW_RANGE) |
| 917 | return -EINVAL; |
| 918 | |
| 919 | if (!rdev->ops->set_tx_power) |
| 920 | return -EOPNOTSUPP; |
| 921 | |
| 922 | /* only change when not disabling */ |
| 923 | if (!data->txpower.disabled) { |
| 924 | rfkill_set_sw_state(rdev->wiphy.rfkill, false); |
| 925 | |
| 926 | if (data->txpower.fixed) { |
| 927 | /* |
| 928 | * wext doesn't support negative values, see |
| 929 | * below where it's for automatic |
| 930 | */ |
| 931 | if (data->txpower.value < 0) |
| 932 | return -EINVAL; |
| 933 | dbm = data->txpower.value; |
| 934 | type = NL80211_TX_POWER_FIXED; |
| 935 | /* TODO: do regulatory check! */ |
| 936 | } else { |
| 937 | /* |
| 938 | * Automatic power level setting, max being the value |
| 939 | * passed in from userland. |
| 940 | */ |
| 941 | if (data->txpower.value < 0) { |
| 942 | type = NL80211_TX_POWER_AUTOMATIC; |
| 943 | } else { |
| 944 | dbm = data->txpower.value; |
| 945 | type = NL80211_TX_POWER_LIMITED; |
| 946 | } |
| 947 | } |
| 948 | } else { |
| 949 | if (rfkill_set_sw_state(rdev->wiphy.rfkill, true)) |
| 950 | schedule_work(&rdev->rfkill_block); |
| 951 | return 0; |
| 952 | } |
| 953 | |
| 954 | wiphy_lock(&rdev->wiphy); |
| 955 | ret = rdev_set_tx_power(rdev, wdev, type, DBM_TO_MBM(dbm)); |
| 956 | wiphy_unlock(&rdev->wiphy); |
| 957 | |
| 958 | return ret; |
| 959 | } |
| 960 | |
| 961 | static int cfg80211_wext_giwtxpower(struct net_device *dev, |
| 962 | struct iw_request_info *info, |
| 963 | union iwreq_data *data, char *extra) |
| 964 | { |
| 965 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 966 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 967 | int err, val; |
| 968 | |
| 969 | if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) |
| 970 | return -EINVAL; |
| 971 | if (data->txpower.flags & IW_TXPOW_RANGE) |
| 972 | return -EINVAL; |
| 973 | |
| 974 | if (!rdev->ops->get_tx_power) |
| 975 | return -EOPNOTSUPP; |
| 976 | |
| 977 | wiphy_lock(&rdev->wiphy); |
| 978 | err = rdev_get_tx_power(rdev, wdev, &val); |
| 979 | wiphy_unlock(&rdev->wiphy); |
| 980 | if (err) |
| 981 | return err; |
| 982 | |
| 983 | /* well... oh well */ |
| 984 | data->txpower.fixed = 1; |
| 985 | data->txpower.disabled = rfkill_blocked(rdev->wiphy.rfkill); |
| 986 | data->txpower.value = val; |
| 987 | data->txpower.flags = IW_TXPOW_DBM; |
| 988 | |
| 989 | return 0; |
| 990 | } |
| 991 | |
| 992 | static int cfg80211_set_auth_alg(struct wireless_dev *wdev, |
| 993 | s32 auth_alg) |
| 994 | { |
| 995 | int nr_alg = 0; |
| 996 | |
| 997 | if (!auth_alg) |
| 998 | return -EINVAL; |
| 999 | |
| 1000 | if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM | |
| 1001 | IW_AUTH_ALG_SHARED_KEY | |
| 1002 | IW_AUTH_ALG_LEAP)) |
| 1003 | return -EINVAL; |
| 1004 | |
| 1005 | if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) { |
| 1006 | nr_alg++; |
| 1007 | wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; |
| 1008 | } |
| 1009 | |
| 1010 | if (auth_alg & IW_AUTH_ALG_SHARED_KEY) { |
| 1011 | nr_alg++; |
| 1012 | wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY; |
| 1013 | } |
| 1014 | |
| 1015 | if (auth_alg & IW_AUTH_ALG_LEAP) { |
| 1016 | nr_alg++; |
| 1017 | wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP; |
| 1018 | } |
| 1019 | |
| 1020 | if (nr_alg > 1) |
| 1021 | wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; |
| 1022 | |
| 1023 | return 0; |
| 1024 | } |
| 1025 | |
| 1026 | static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions) |
| 1027 | { |
| 1028 | if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA | |
| 1029 | IW_AUTH_WPA_VERSION_WPA2| |
| 1030 | IW_AUTH_WPA_VERSION_DISABLED)) |
| 1031 | return -EINVAL; |
| 1032 | |
| 1033 | if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) && |
| 1034 | (wpa_versions & (IW_AUTH_WPA_VERSION_WPA| |
| 1035 | IW_AUTH_WPA_VERSION_WPA2))) |
| 1036 | return -EINVAL; |
| 1037 | |
| 1038 | if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) |
| 1039 | wdev->wext.connect.crypto.wpa_versions &= |
| 1040 | ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2); |
| 1041 | |
| 1042 | if (wpa_versions & IW_AUTH_WPA_VERSION_WPA) |
| 1043 | wdev->wext.connect.crypto.wpa_versions |= |
| 1044 | NL80211_WPA_VERSION_1; |
| 1045 | |
| 1046 | if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2) |
| 1047 | wdev->wext.connect.crypto.wpa_versions |= |
| 1048 | NL80211_WPA_VERSION_2; |
| 1049 | |
| 1050 | return 0; |
| 1051 | } |
| 1052 | |
| 1053 | static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher) |
| 1054 | { |
| 1055 | if (cipher & IW_AUTH_CIPHER_WEP40) |
| 1056 | wdev->wext.connect.crypto.cipher_group = |
| 1057 | WLAN_CIPHER_SUITE_WEP40; |
| 1058 | else if (cipher & IW_AUTH_CIPHER_WEP104) |
| 1059 | wdev->wext.connect.crypto.cipher_group = |
| 1060 | WLAN_CIPHER_SUITE_WEP104; |
| 1061 | else if (cipher & IW_AUTH_CIPHER_TKIP) |
| 1062 | wdev->wext.connect.crypto.cipher_group = |
| 1063 | WLAN_CIPHER_SUITE_TKIP; |
| 1064 | else if (cipher & IW_AUTH_CIPHER_CCMP) |
| 1065 | wdev->wext.connect.crypto.cipher_group = |
| 1066 | WLAN_CIPHER_SUITE_CCMP; |
| 1067 | else if (cipher & IW_AUTH_CIPHER_AES_CMAC) |
| 1068 | wdev->wext.connect.crypto.cipher_group = |
| 1069 | WLAN_CIPHER_SUITE_AES_CMAC; |
| 1070 | else if (cipher & IW_AUTH_CIPHER_NONE) |
| 1071 | wdev->wext.connect.crypto.cipher_group = 0; |
| 1072 | else |
| 1073 | return -EINVAL; |
| 1074 | |
| 1075 | return 0; |
| 1076 | } |
| 1077 | |
| 1078 | static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher) |
| 1079 | { |
| 1080 | int nr_ciphers = 0; |
| 1081 | u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise; |
| 1082 | |
| 1083 | if (cipher & IW_AUTH_CIPHER_WEP40) { |
| 1084 | ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40; |
| 1085 | nr_ciphers++; |
| 1086 | } |
| 1087 | |
| 1088 | if (cipher & IW_AUTH_CIPHER_WEP104) { |
| 1089 | ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104; |
| 1090 | nr_ciphers++; |
| 1091 | } |
| 1092 | |
| 1093 | if (cipher & IW_AUTH_CIPHER_TKIP) { |
| 1094 | ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP; |
| 1095 | nr_ciphers++; |
| 1096 | } |
| 1097 | |
| 1098 | if (cipher & IW_AUTH_CIPHER_CCMP) { |
| 1099 | ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP; |
| 1100 | nr_ciphers++; |
| 1101 | } |
| 1102 | |
| 1103 | if (cipher & IW_AUTH_CIPHER_AES_CMAC) { |
| 1104 | ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC; |
| 1105 | nr_ciphers++; |
| 1106 | } |
| 1107 | |
| 1108 | BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5); |
| 1109 | |
| 1110 | wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers; |
| 1111 | |
| 1112 | return 0; |
| 1113 | } |
| 1114 | |
| 1115 | |
| 1116 | static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt) |
| 1117 | { |
| 1118 | int nr_akm_suites = 0; |
| 1119 | |
| 1120 | if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X | |
| 1121 | IW_AUTH_KEY_MGMT_PSK)) |
| 1122 | return -EINVAL; |
| 1123 | |
| 1124 | if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) { |
| 1125 | wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = |
| 1126 | WLAN_AKM_SUITE_8021X; |
| 1127 | nr_akm_suites++; |
| 1128 | } |
| 1129 | |
| 1130 | if (key_mgt & IW_AUTH_KEY_MGMT_PSK) { |
| 1131 | wdev->wext.connect.crypto.akm_suites[nr_akm_suites] = |
| 1132 | WLAN_AKM_SUITE_PSK; |
| 1133 | nr_akm_suites++; |
| 1134 | } |
| 1135 | |
| 1136 | wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites; |
| 1137 | |
| 1138 | return 0; |
| 1139 | } |
| 1140 | |
| 1141 | static int cfg80211_wext_siwauth(struct net_device *dev, |
| 1142 | struct iw_request_info *info, |
| 1143 | union iwreq_data *wrqu, char *extra) |
| 1144 | { |
| 1145 | struct iw_param *data = &wrqu->param; |
| 1146 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1147 | |
| 1148 | if (wdev->iftype != NL80211_IFTYPE_STATION) |
| 1149 | return -EOPNOTSUPP; |
| 1150 | |
| 1151 | switch (data->flags & IW_AUTH_INDEX) { |
| 1152 | case IW_AUTH_PRIVACY_INVOKED: |
| 1153 | wdev->wext.connect.privacy = data->value; |
| 1154 | return 0; |
| 1155 | case IW_AUTH_WPA_VERSION: |
| 1156 | return cfg80211_set_wpa_version(wdev, data->value); |
| 1157 | case IW_AUTH_CIPHER_GROUP: |
| 1158 | return cfg80211_set_cipher_group(wdev, data->value); |
| 1159 | case IW_AUTH_KEY_MGMT: |
| 1160 | return cfg80211_set_key_mgt(wdev, data->value); |
| 1161 | case IW_AUTH_CIPHER_PAIRWISE: |
| 1162 | return cfg80211_set_cipher_pairwise(wdev, data->value); |
| 1163 | case IW_AUTH_80211_AUTH_ALG: |
| 1164 | return cfg80211_set_auth_alg(wdev, data->value); |
| 1165 | case IW_AUTH_WPA_ENABLED: |
| 1166 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: |
| 1167 | case IW_AUTH_DROP_UNENCRYPTED: |
| 1168 | case IW_AUTH_MFP: |
| 1169 | return 0; |
| 1170 | default: |
| 1171 | return -EOPNOTSUPP; |
| 1172 | } |
| 1173 | } |
| 1174 | |
| 1175 | static int cfg80211_wext_giwauth(struct net_device *dev, |
| 1176 | struct iw_request_info *info, |
| 1177 | union iwreq_data *wrqu, char *extra) |
| 1178 | { |
| 1179 | /* XXX: what do we need? */ |
| 1180 | |
| 1181 | return -EOPNOTSUPP; |
| 1182 | } |
| 1183 | |
| 1184 | static int cfg80211_wext_siwpower(struct net_device *dev, |
| 1185 | struct iw_request_info *info, |
| 1186 | union iwreq_data *wrqu, char *extra) |
| 1187 | { |
| 1188 | struct iw_param *wrq = &wrqu->power; |
| 1189 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1190 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 1191 | bool ps; |
| 1192 | int timeout = wdev->ps_timeout; |
| 1193 | int err; |
| 1194 | |
| 1195 | if (wdev->iftype != NL80211_IFTYPE_STATION) |
| 1196 | return -EINVAL; |
| 1197 | |
| 1198 | if (!rdev->ops->set_power_mgmt) |
| 1199 | return -EOPNOTSUPP; |
| 1200 | |
| 1201 | if (wrq->disabled) { |
| 1202 | ps = false; |
| 1203 | } else { |
| 1204 | switch (wrq->flags & IW_POWER_MODE) { |
| 1205 | case IW_POWER_ON: /* If not specified */ |
| 1206 | case IW_POWER_MODE: /* If set all mask */ |
| 1207 | case IW_POWER_ALL_R: /* If explicitely state all */ |
| 1208 | ps = true; |
| 1209 | break; |
| 1210 | default: /* Otherwise we ignore */ |
| 1211 | return -EINVAL; |
| 1212 | } |
| 1213 | |
| 1214 | if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT)) |
| 1215 | return -EINVAL; |
| 1216 | |
| 1217 | if (wrq->flags & IW_POWER_TIMEOUT) |
| 1218 | timeout = wrq->value / 1000; |
| 1219 | } |
| 1220 | |
| 1221 | wiphy_lock(&rdev->wiphy); |
| 1222 | err = rdev_set_power_mgmt(rdev, dev, ps, timeout); |
| 1223 | wiphy_unlock(&rdev->wiphy); |
| 1224 | if (err) |
| 1225 | return err; |
| 1226 | |
| 1227 | wdev->ps = ps; |
| 1228 | wdev->ps_timeout = timeout; |
| 1229 | |
| 1230 | return 0; |
| 1231 | |
| 1232 | } |
| 1233 | |
| 1234 | static int cfg80211_wext_giwpower(struct net_device *dev, |
| 1235 | struct iw_request_info *info, |
| 1236 | union iwreq_data *wrqu, char *extra) |
| 1237 | { |
| 1238 | struct iw_param *wrq = &wrqu->power; |
| 1239 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1240 | |
| 1241 | wrq->disabled = !wdev->ps; |
| 1242 | |
| 1243 | return 0; |
| 1244 | } |
| 1245 | |
| 1246 | static int cfg80211_wext_siwrate(struct net_device *dev, |
| 1247 | struct iw_request_info *info, |
| 1248 | union iwreq_data *wrqu, char *extra) |
| 1249 | { |
| 1250 | struct iw_param *rate = &wrqu->bitrate; |
| 1251 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1252 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 1253 | struct cfg80211_bitrate_mask mask; |
| 1254 | u32 fixed, maxrate; |
| 1255 | struct ieee80211_supported_band *sband; |
| 1256 | int band, ridx, ret; |
| 1257 | bool match = false; |
| 1258 | |
| 1259 | if (!rdev->ops->set_bitrate_mask) |
| 1260 | return -EOPNOTSUPP; |
| 1261 | |
| 1262 | memset(&mask, 0, sizeof(mask)); |
| 1263 | fixed = 0; |
| 1264 | maxrate = (u32)-1; |
| 1265 | |
| 1266 | if (rate->value < 0) { |
| 1267 | /* nothing */ |
| 1268 | } else if (rate->fixed) { |
| 1269 | fixed = rate->value / 100000; |
| 1270 | } else { |
| 1271 | maxrate = rate->value / 100000; |
| 1272 | } |
| 1273 | |
| 1274 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
| 1275 | sband = wdev->wiphy->bands[band]; |
| 1276 | if (sband == NULL) |
| 1277 | continue; |
| 1278 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { |
| 1279 | struct ieee80211_rate *srate = &sband->bitrates[ridx]; |
| 1280 | if (fixed == srate->bitrate) { |
| 1281 | mask.control[band].legacy = 1 << ridx; |
| 1282 | match = true; |
| 1283 | break; |
| 1284 | } |
| 1285 | if (srate->bitrate <= maxrate) { |
| 1286 | mask.control[band].legacy |= 1 << ridx; |
| 1287 | match = true; |
| 1288 | } |
| 1289 | } |
| 1290 | } |
| 1291 | |
| 1292 | if (!match) |
| 1293 | return -EINVAL; |
| 1294 | |
| 1295 | wiphy_lock(&rdev->wiphy); |
| 1296 | if (dev->ieee80211_ptr->valid_links) |
| 1297 | ret = -EOPNOTSUPP; |
| 1298 | else |
| 1299 | ret = rdev_set_bitrate_mask(rdev, dev, 0, NULL, &mask); |
| 1300 | wiphy_unlock(&rdev->wiphy); |
| 1301 | |
| 1302 | return ret; |
| 1303 | } |
| 1304 | |
| 1305 | static int cfg80211_wext_giwrate(struct net_device *dev, |
| 1306 | struct iw_request_info *info, |
| 1307 | union iwreq_data *wrqu, char *extra) |
| 1308 | { |
| 1309 | struct iw_param *rate = &wrqu->bitrate; |
| 1310 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1311 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 1312 | struct station_info sinfo = {}; |
| 1313 | u8 addr[ETH_ALEN]; |
| 1314 | int err; |
| 1315 | |
| 1316 | if (wdev->iftype != NL80211_IFTYPE_STATION) |
| 1317 | return -EOPNOTSUPP; |
| 1318 | |
| 1319 | if (!rdev->ops->get_station) |
| 1320 | return -EOPNOTSUPP; |
| 1321 | |
| 1322 | err = 0; |
| 1323 | if (!wdev->valid_links && wdev->links[0].client.current_bss) |
| 1324 | memcpy(addr, wdev->links[0].client.current_bss->pub.bssid, |
| 1325 | ETH_ALEN); |
| 1326 | else |
| 1327 | err = -EOPNOTSUPP; |
| 1328 | if (err) |
| 1329 | return err; |
| 1330 | |
| 1331 | wiphy_lock(&rdev->wiphy); |
| 1332 | err = rdev_get_station(rdev, dev, addr, &sinfo); |
| 1333 | wiphy_unlock(&rdev->wiphy); |
| 1334 | if (err) |
| 1335 | return err; |
| 1336 | |
| 1337 | if (!(sinfo.filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE))) { |
| 1338 | err = -EOPNOTSUPP; |
| 1339 | goto free; |
| 1340 | } |
| 1341 | |
| 1342 | rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate); |
| 1343 | |
| 1344 | free: |
| 1345 | cfg80211_sinfo_release_content(&sinfo); |
| 1346 | return err; |
| 1347 | } |
| 1348 | |
| 1349 | /* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ |
| 1350 | static struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev) |
| 1351 | { |
| 1352 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1353 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 1354 | /* we are under RTNL - globally locked - so can use static structs */ |
| 1355 | static struct iw_statistics wstats; |
| 1356 | static struct station_info sinfo = {}; |
| 1357 | u8 bssid[ETH_ALEN]; |
| 1358 | int ret; |
| 1359 | |
| 1360 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) |
| 1361 | return NULL; |
| 1362 | |
| 1363 | if (!rdev->ops->get_station) |
| 1364 | return NULL; |
| 1365 | |
| 1366 | /* Grab BSSID of current BSS, if any */ |
| 1367 | wiphy_lock(&rdev->wiphy); |
| 1368 | if (wdev->valid_links || !wdev->links[0].client.current_bss) { |
| 1369 | wiphy_unlock(&rdev->wiphy); |
| 1370 | return NULL; |
| 1371 | } |
| 1372 | memcpy(bssid, wdev->links[0].client.current_bss->pub.bssid, ETH_ALEN); |
| 1373 | |
| 1374 | memset(&sinfo, 0, sizeof(sinfo)); |
| 1375 | |
| 1376 | ret = rdev_get_station(rdev, dev, bssid, &sinfo); |
| 1377 | wiphy_unlock(&rdev->wiphy); |
| 1378 | |
| 1379 | if (ret) |
| 1380 | return NULL; |
| 1381 | |
| 1382 | memset(&wstats, 0, sizeof(wstats)); |
| 1383 | |
| 1384 | switch (rdev->wiphy.signal_type) { |
| 1385 | case CFG80211_SIGNAL_TYPE_MBM: |
| 1386 | if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_SIGNAL)) { |
| 1387 | int sig = sinfo.signal; |
| 1388 | wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; |
| 1389 | wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; |
| 1390 | wstats.qual.updated |= IW_QUAL_DBM; |
| 1391 | wstats.qual.level = sig; |
| 1392 | if (sig < -110) |
| 1393 | sig = -110; |
| 1394 | else if (sig > -40) |
| 1395 | sig = -40; |
| 1396 | wstats.qual.qual = sig + 110; |
| 1397 | break; |
| 1398 | } |
| 1399 | fallthrough; |
| 1400 | case CFG80211_SIGNAL_TYPE_UNSPEC: |
| 1401 | if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_SIGNAL)) { |
| 1402 | wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED; |
| 1403 | wstats.qual.updated |= IW_QUAL_QUAL_UPDATED; |
| 1404 | wstats.qual.level = sinfo.signal; |
| 1405 | wstats.qual.qual = sinfo.signal; |
| 1406 | break; |
| 1407 | } |
| 1408 | fallthrough; |
| 1409 | default: |
| 1410 | wstats.qual.updated |= IW_QUAL_LEVEL_INVALID; |
| 1411 | wstats.qual.updated |= IW_QUAL_QUAL_INVALID; |
| 1412 | } |
| 1413 | |
| 1414 | wstats.qual.updated |= IW_QUAL_NOISE_INVALID; |
| 1415 | if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC)) |
| 1416 | wstats.discard.misc = sinfo.rx_dropped_misc; |
| 1417 | if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_TX_FAILED)) |
| 1418 | wstats.discard.retries = sinfo.tx_failed; |
| 1419 | |
| 1420 | cfg80211_sinfo_release_content(&sinfo); |
| 1421 | |
| 1422 | return &wstats; |
| 1423 | } |
| 1424 | |
| 1425 | static int cfg80211_wext_siwap(struct net_device *dev, |
| 1426 | struct iw_request_info *info, |
| 1427 | union iwreq_data *wrqu, char *extra) |
| 1428 | { |
| 1429 | struct sockaddr *ap_addr = &wrqu->ap_addr; |
| 1430 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1431 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 1432 | int ret; |
| 1433 | |
| 1434 | wiphy_lock(&rdev->wiphy); |
| 1435 | switch (wdev->iftype) { |
| 1436 | case NL80211_IFTYPE_ADHOC: |
| 1437 | ret = cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra); |
| 1438 | break; |
| 1439 | case NL80211_IFTYPE_STATION: |
| 1440 | ret = cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra); |
| 1441 | break; |
| 1442 | default: |
| 1443 | ret = -EOPNOTSUPP; |
| 1444 | break; |
| 1445 | } |
| 1446 | wiphy_unlock(&rdev->wiphy); |
| 1447 | |
| 1448 | return ret; |
| 1449 | } |
| 1450 | |
| 1451 | static int cfg80211_wext_giwap(struct net_device *dev, |
| 1452 | struct iw_request_info *info, |
| 1453 | union iwreq_data *wrqu, char *extra) |
| 1454 | { |
| 1455 | struct sockaddr *ap_addr = &wrqu->ap_addr; |
| 1456 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1457 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 1458 | int ret; |
| 1459 | |
| 1460 | wiphy_lock(&rdev->wiphy); |
| 1461 | switch (wdev->iftype) { |
| 1462 | case NL80211_IFTYPE_ADHOC: |
| 1463 | ret = cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra); |
| 1464 | break; |
| 1465 | case NL80211_IFTYPE_STATION: |
| 1466 | ret = cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra); |
| 1467 | break; |
| 1468 | default: |
| 1469 | ret = -EOPNOTSUPP; |
| 1470 | break; |
| 1471 | } |
| 1472 | wiphy_unlock(&rdev->wiphy); |
| 1473 | |
| 1474 | return ret; |
| 1475 | } |
| 1476 | |
| 1477 | static int cfg80211_wext_siwessid(struct net_device *dev, |
| 1478 | struct iw_request_info *info, |
| 1479 | union iwreq_data *wrqu, char *ssid) |
| 1480 | { |
| 1481 | struct iw_point *data = &wrqu->data; |
| 1482 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1483 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 1484 | int ret; |
| 1485 | |
| 1486 | wiphy_lock(&rdev->wiphy); |
| 1487 | switch (wdev->iftype) { |
| 1488 | case NL80211_IFTYPE_ADHOC: |
| 1489 | ret = cfg80211_ibss_wext_siwessid(dev, info, data, ssid); |
| 1490 | break; |
| 1491 | case NL80211_IFTYPE_STATION: |
| 1492 | ret = cfg80211_mgd_wext_siwessid(dev, info, data, ssid); |
| 1493 | break; |
| 1494 | default: |
| 1495 | ret = -EOPNOTSUPP; |
| 1496 | break; |
| 1497 | } |
| 1498 | wiphy_unlock(&rdev->wiphy); |
| 1499 | |
| 1500 | return ret; |
| 1501 | } |
| 1502 | |
| 1503 | static int cfg80211_wext_giwessid(struct net_device *dev, |
| 1504 | struct iw_request_info *info, |
| 1505 | union iwreq_data *wrqu, char *ssid) |
| 1506 | { |
| 1507 | struct iw_point *data = &wrqu->data; |
| 1508 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1509 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 1510 | int ret; |
| 1511 | |
| 1512 | data->flags = 0; |
| 1513 | data->length = 0; |
| 1514 | |
| 1515 | wiphy_lock(&rdev->wiphy); |
| 1516 | switch (wdev->iftype) { |
| 1517 | case NL80211_IFTYPE_ADHOC: |
| 1518 | ret = cfg80211_ibss_wext_giwessid(dev, info, data, ssid); |
| 1519 | break; |
| 1520 | case NL80211_IFTYPE_STATION: |
| 1521 | ret = cfg80211_mgd_wext_giwessid(dev, info, data, ssid); |
| 1522 | break; |
| 1523 | default: |
| 1524 | ret = -EOPNOTSUPP; |
| 1525 | break; |
| 1526 | } |
| 1527 | wiphy_unlock(&rdev->wiphy); |
| 1528 | |
| 1529 | return ret; |
| 1530 | } |
| 1531 | |
| 1532 | static int cfg80211_wext_siwpmksa(struct net_device *dev, |
| 1533 | struct iw_request_info *info, |
| 1534 | union iwreq_data *wrqu, char *extra) |
| 1535 | { |
| 1536 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
| 1537 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
| 1538 | struct cfg80211_pmksa cfg_pmksa; |
| 1539 | struct iw_pmksa *pmksa = (struct iw_pmksa *)extra; |
| 1540 | int ret; |
| 1541 | |
| 1542 | memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa)); |
| 1543 | |
| 1544 | if (wdev->iftype != NL80211_IFTYPE_STATION) |
| 1545 | return -EINVAL; |
| 1546 | |
| 1547 | cfg_pmksa.bssid = pmksa->bssid.sa_data; |
| 1548 | cfg_pmksa.pmkid = pmksa->pmkid; |
| 1549 | |
| 1550 | wiphy_lock(&rdev->wiphy); |
| 1551 | switch (pmksa->cmd) { |
| 1552 | case IW_PMKSA_ADD: |
| 1553 | if (!rdev->ops->set_pmksa) { |
| 1554 | ret = -EOPNOTSUPP; |
| 1555 | break; |
| 1556 | } |
| 1557 | |
| 1558 | ret = rdev_set_pmksa(rdev, dev, &cfg_pmksa); |
| 1559 | break; |
| 1560 | case IW_PMKSA_REMOVE: |
| 1561 | if (!rdev->ops->del_pmksa) { |
| 1562 | ret = -EOPNOTSUPP; |
| 1563 | break; |
| 1564 | } |
| 1565 | |
| 1566 | ret = rdev_del_pmksa(rdev, dev, &cfg_pmksa); |
| 1567 | break; |
| 1568 | case IW_PMKSA_FLUSH: |
| 1569 | if (!rdev->ops->flush_pmksa) { |
| 1570 | ret = -EOPNOTSUPP; |
| 1571 | break; |
| 1572 | } |
| 1573 | |
| 1574 | ret = rdev_flush_pmksa(rdev, dev); |
| 1575 | break; |
| 1576 | default: |
| 1577 | ret = -EOPNOTSUPP; |
| 1578 | break; |
| 1579 | } |
| 1580 | wiphy_unlock(&rdev->wiphy); |
| 1581 | |
| 1582 | return ret; |
| 1583 | } |
| 1584 | |
| 1585 | static const iw_handler cfg80211_handlers[] = { |
| 1586 | IW_HANDLER(SIOCGIWNAME, cfg80211_wext_giwname), |
| 1587 | IW_HANDLER(SIOCSIWFREQ, cfg80211_wext_siwfreq), |
| 1588 | IW_HANDLER(SIOCGIWFREQ, cfg80211_wext_giwfreq), |
| 1589 | IW_HANDLER(SIOCSIWMODE, cfg80211_wext_siwmode), |
| 1590 | IW_HANDLER(SIOCGIWMODE, cfg80211_wext_giwmode), |
| 1591 | IW_HANDLER(SIOCGIWRANGE, cfg80211_wext_giwrange), |
| 1592 | IW_HANDLER(SIOCSIWAP, cfg80211_wext_siwap), |
| 1593 | IW_HANDLER(SIOCGIWAP, cfg80211_wext_giwap), |
| 1594 | IW_HANDLER(SIOCSIWMLME, cfg80211_wext_siwmlme), |
| 1595 | IW_HANDLER(SIOCSIWSCAN, cfg80211_wext_siwscan), |
| 1596 | IW_HANDLER(SIOCGIWSCAN, cfg80211_wext_giwscan), |
| 1597 | IW_HANDLER(SIOCSIWESSID, cfg80211_wext_siwessid), |
| 1598 | IW_HANDLER(SIOCGIWESSID, cfg80211_wext_giwessid), |
| 1599 | IW_HANDLER(SIOCSIWRATE, cfg80211_wext_siwrate), |
| 1600 | IW_HANDLER(SIOCGIWRATE, cfg80211_wext_giwrate), |
| 1601 | IW_HANDLER(SIOCSIWRTS, cfg80211_wext_siwrts), |
| 1602 | IW_HANDLER(SIOCGIWRTS, cfg80211_wext_giwrts), |
| 1603 | IW_HANDLER(SIOCSIWFRAG, cfg80211_wext_siwfrag), |
| 1604 | IW_HANDLER(SIOCGIWFRAG, cfg80211_wext_giwfrag), |
| 1605 | IW_HANDLER(SIOCSIWTXPOW, cfg80211_wext_siwtxpower), |
| 1606 | IW_HANDLER(SIOCGIWTXPOW, cfg80211_wext_giwtxpower), |
| 1607 | IW_HANDLER(SIOCSIWRETRY, cfg80211_wext_siwretry), |
| 1608 | IW_HANDLER(SIOCGIWRETRY, cfg80211_wext_giwretry), |
| 1609 | IW_HANDLER(SIOCSIWENCODE, cfg80211_wext_siwencode), |
| 1610 | IW_HANDLER(SIOCGIWENCODE, cfg80211_wext_giwencode), |
| 1611 | IW_HANDLER(SIOCSIWPOWER, cfg80211_wext_siwpower), |
| 1612 | IW_HANDLER(SIOCGIWPOWER, cfg80211_wext_giwpower), |
| 1613 | IW_HANDLER(SIOCSIWGENIE, cfg80211_wext_siwgenie), |
| 1614 | IW_HANDLER(SIOCSIWAUTH, cfg80211_wext_siwauth), |
| 1615 | IW_HANDLER(SIOCGIWAUTH, cfg80211_wext_giwauth), |
| 1616 | IW_HANDLER(SIOCSIWENCODEEXT, cfg80211_wext_siwencodeext), |
| 1617 | IW_HANDLER(SIOCSIWPMKSA, cfg80211_wext_siwpmksa), |
| 1618 | }; |
| 1619 | |
| 1620 | const struct iw_handler_def cfg80211_wext_handler = { |
| 1621 | .num_standard = ARRAY_SIZE(cfg80211_handlers), |
| 1622 | .standard = cfg80211_handlers, |
| 1623 | .get_wireless_stats = cfg80211_wireless_stats, |
| 1624 | }; |