1 // SPDX-License-Identifier: GPL-2.0 2 /* cfg80211 Interface for prism2_usb module */ 3 #include "hfa384x.h" 4 #include "prism2mgmt.h" 5 6 /* Prism2 channel/frequency/bitrate declarations */ 7 static const struct ieee80211_channel prism2_channels[] = { 8 { .center_freq = 2412 }, 9 { .center_freq = 2417 }, 10 { .center_freq = 2422 }, 11 { .center_freq = 2427 }, 12 { .center_freq = 2432 }, 13 { .center_freq = 2437 }, 14 { .center_freq = 2442 }, 15 { .center_freq = 2447 }, 16 { .center_freq = 2452 }, 17 { .center_freq = 2457 }, 18 { .center_freq = 2462 }, 19 { .center_freq = 2467 }, 20 { .center_freq = 2472 }, 21 { .center_freq = 2484 }, 22 }; 23 24 static const struct ieee80211_rate prism2_rates[] = { 25 { .bitrate = 10 }, 26 { .bitrate = 20 }, 27 { .bitrate = 55 }, 28 { .bitrate = 110 } 29 }; 30 31 #define PRISM2_NUM_CIPHER_SUITES 2 32 static const u32 prism2_cipher_suites[PRISM2_NUM_CIPHER_SUITES] = { 33 WLAN_CIPHER_SUITE_WEP40, 34 WLAN_CIPHER_SUITE_WEP104 35 }; 36 37 /* prism2 device private data */ 38 struct prism2_wiphy_private { 39 struct wlandevice *wlandev; 40 41 struct ieee80211_supported_band band; 42 struct ieee80211_channel channels[ARRAY_SIZE(prism2_channels)]; 43 struct ieee80211_rate rates[ARRAY_SIZE(prism2_rates)]; 44 45 struct cfg80211_scan_request *scan_request; 46 }; 47 48 static const void * const prism2_wiphy_privid = &prism2_wiphy_privid; 49 50 /* Helper Functions */ 51 static int prism2_result2err(int prism2_result) 52 { 53 int err = 0; 54 55 switch (prism2_result) { 56 case P80211ENUM_resultcode_invalid_parameters: 57 err = -EINVAL; 58 break; 59 case P80211ENUM_resultcode_implementation_failure: 60 err = -EIO; 61 break; 62 case P80211ENUM_resultcode_not_supported: 63 err = -EOPNOTSUPP; 64 break; 65 default: 66 err = 0; 67 break; 68 } 69 70 return err; 71 } 72 73 static int prism2_domibset_uint32(struct wlandevice *wlandev, 74 u32 did, u32 data) 75 { 76 struct p80211msg_dot11req_mibset msg; 77 struct p80211item_uint32 *mibitem = 78 (struct p80211item_uint32 *)&msg.mibattribute.data; 79 80 msg.msgcode = DIDMSG_DOT11REQ_MIBSET; 81 mibitem->did = did; 82 mibitem->data = data; 83 84 return p80211req_dorequest(wlandev, (u8 *)&msg); 85 } 86 87 static int prism2_domibset_pstr32(struct wlandevice *wlandev, 88 u32 did, u8 len, const u8 *data) 89 { 90 struct p80211msg_dot11req_mibset msg; 91 struct p80211item_pstr32 *mibitem = 92 (struct p80211item_pstr32 *)&msg.mibattribute.data; 93 94 msg.msgcode = DIDMSG_DOT11REQ_MIBSET; 95 mibitem->did = did; 96 mibitem->data.len = len; 97 memcpy(mibitem->data.data, data, len); 98 99 return p80211req_dorequest(wlandev, (u8 *)&msg); 100 } 101 102 /* The interface functions, called by the cfg80211 layer */ 103 static int prism2_change_virtual_intf(struct wiphy *wiphy, 104 struct net_device *dev, 105 enum nl80211_iftype type, 106 struct vif_params *params) 107 { 108 struct wlandevice *wlandev = dev->ml_priv; 109 u32 data; 110 int result; 111 int err = 0; 112 113 switch (type) { 114 case NL80211_IFTYPE_ADHOC: 115 if (wlandev->macmode == WLAN_MACMODE_IBSS_STA) 116 goto exit; 117 wlandev->macmode = WLAN_MACMODE_IBSS_STA; 118 data = 0; 119 break; 120 case NL80211_IFTYPE_STATION: 121 if (wlandev->macmode == WLAN_MACMODE_ESS_STA) 122 goto exit; 123 wlandev->macmode = WLAN_MACMODE_ESS_STA; 124 data = 1; 125 break; 126 default: 127 netdev_warn(dev, "Operation mode: %d not support\n", type); 128 return -EOPNOTSUPP; 129 } 130 131 /* Set Operation mode to the PORT TYPE RID */ 132 result = prism2_domibset_uint32(wlandev, 133 DIDMIB_P2_STATIC_CNFPORTTYPE, 134 data); 135 136 if (result) 137 err = -EFAULT; 138 139 dev->ieee80211_ptr->iftype = type; 140 141 exit: 142 return err; 143 } 144 145 static int prism2_add_key(struct wiphy *wiphy, struct net_device *dev, 146 u8 key_index, bool pairwise, const u8 *mac_addr, 147 struct key_params *params) 148 { 149 struct wlandevice *wlandev = dev->ml_priv; 150 u32 did; 151 152 if (key_index >= NUM_WEPKEYS) 153 return -EINVAL; 154 155 if (params->cipher != WLAN_CIPHER_SUITE_WEP40 && 156 params->cipher != WLAN_CIPHER_SUITE_WEP104) { 157 pr_debug("Unsupported cipher suite\n"); 158 return -EFAULT; 159 } 160 161 if (prism2_domibset_uint32(wlandev, 162 DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID, 163 key_index)) 164 return -EFAULT; 165 166 /* send key to driver */ 167 did = didmib_dot11smt_wepdefaultkeystable_key(key_index + 1); 168 169 if (prism2_domibset_pstr32(wlandev, did, params->key_len, params->key)) 170 return -EFAULT; 171 return 0; 172 } 173 174 static int prism2_get_key(struct wiphy *wiphy, struct net_device *dev, 175 u8 key_index, bool pairwise, 176 const u8 *mac_addr, void *cookie, 177 void (*callback)(void *cookie, struct key_params*)) 178 { 179 struct wlandevice *wlandev = dev->ml_priv; 180 struct key_params params; 181 int len; 182 183 if (key_index >= NUM_WEPKEYS) 184 return -EINVAL; 185 186 len = wlandev->wep_keylens[key_index]; 187 memset(¶ms, 0, sizeof(params)); 188 189 if (len == 13) 190 params.cipher = WLAN_CIPHER_SUITE_WEP104; 191 else if (len == 5) 192 params.cipher = WLAN_CIPHER_SUITE_WEP104; 193 else 194 return -ENOENT; 195 params.key_len = len; 196 params.key = wlandev->wep_keys[key_index]; 197 params.seq_len = 0; 198 199 callback(cookie, ¶ms); 200 201 return 0; 202 } 203 204 static int prism2_del_key(struct wiphy *wiphy, struct net_device *dev, 205 u8 key_index, bool pairwise, const u8 *mac_addr) 206 { 207 struct wlandevice *wlandev = dev->ml_priv; 208 u32 did; 209 int err = 0; 210 int result = 0; 211 212 /* There is no direct way in the hardware (AFAIK) of removing 213 * a key, so we will cheat by setting the key to a bogus value 214 */ 215 216 if (key_index >= NUM_WEPKEYS) 217 return -EINVAL; 218 219 /* send key to driver */ 220 did = didmib_dot11smt_wepdefaultkeystable_key(key_index + 1); 221 result = prism2_domibset_pstr32(wlandev, did, 13, "0000000000000"); 222 223 if (result) 224 err = -EFAULT; 225 226 return err; 227 } 228 229 static int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev, 230 u8 key_index, bool unicast, bool multicast) 231 { 232 struct wlandevice *wlandev = dev->ml_priv; 233 234 return prism2_domibset_uint32(wlandev, 235 DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID, 236 key_index); 237 } 238 239 static int prism2_get_station(struct wiphy *wiphy, struct net_device *dev, 240 const u8 *mac, struct station_info *sinfo) 241 { 242 struct wlandevice *wlandev = dev->ml_priv; 243 struct p80211msg_lnxreq_commsquality quality; 244 int result; 245 246 memset(sinfo, 0, sizeof(*sinfo)); 247 248 if (!wlandev || (wlandev->msdstate != WLAN_MSD_RUNNING)) 249 return -EOPNOTSUPP; 250 251 /* build request message */ 252 quality.msgcode = DIDMSG_LNXREQ_COMMSQUALITY; 253 quality.dbm.data = P80211ENUM_truth_true; 254 quality.dbm.status = P80211ENUM_msgitem_status_data_ok; 255 256 /* send message to nsd */ 257 if (!wlandev->mlmerequest) 258 return -EOPNOTSUPP; 259 260 result = wlandev->mlmerequest(wlandev, (struct p80211msg *)&quality); 261 262 if (result == 0) { 263 sinfo->txrate.legacy = quality.txrate.data; 264 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 265 sinfo->signal = quality.level.data; 266 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); 267 } 268 269 return result; 270 } 271 272 static int prism2_scan(struct wiphy *wiphy, 273 struct cfg80211_scan_request *request) 274 { 275 struct net_device *dev; 276 struct prism2_wiphy_private *priv = wiphy_priv(wiphy); 277 struct wlandevice *wlandev; 278 struct p80211msg_dot11req_scan msg1; 279 struct p80211msg_dot11req_scan_results msg2; 280 struct cfg80211_bss *bss; 281 struct cfg80211_scan_info info = {}; 282 283 int result; 284 int err = 0; 285 int numbss = 0; 286 int i = 0; 287 u8 ie_buf[46]; 288 int ie_len; 289 290 if (!request) 291 return -EINVAL; 292 293 dev = request->wdev->netdev; 294 wlandev = dev->ml_priv; 295 296 if (priv->scan_request && priv->scan_request != request) 297 return -EBUSY; 298 299 if (wlandev->macmode == WLAN_MACMODE_ESS_AP) { 300 netdev_err(dev, "Can't scan in AP mode\n"); 301 return -EOPNOTSUPP; 302 } 303 304 priv->scan_request = request; 305 306 memset(&msg1, 0x00, sizeof(msg1)); 307 msg1.msgcode = DIDMSG_DOT11REQ_SCAN; 308 msg1.bsstype.data = P80211ENUM_bsstype_any; 309 310 memset(&msg1.bssid.data.data, 0xFF, sizeof(msg1.bssid.data.data)); 311 msg1.bssid.data.len = 6; 312 313 if (request->n_ssids > 0) { 314 msg1.scantype.data = P80211ENUM_scantype_active; 315 msg1.ssid.data.len = request->ssids->ssid_len; 316 memcpy(msg1.ssid.data.data, 317 request->ssids->ssid, request->ssids->ssid_len); 318 } else { 319 msg1.scantype.data = 0; 320 } 321 msg1.probedelay.data = 0; 322 323 for (i = 0; 324 (i < request->n_channels) && i < ARRAY_SIZE(prism2_channels); 325 i++) 326 msg1.channellist.data.data[i] = 327 ieee80211_frequency_to_channel( 328 request->channels[i]->center_freq); 329 msg1.channellist.data.len = request->n_channels; 330 331 msg1.maxchanneltime.data = 250; 332 msg1.minchanneltime.data = 200; 333 334 result = p80211req_dorequest(wlandev, (u8 *)&msg1); 335 if (result) { 336 err = prism2_result2err(msg1.resultcode.data); 337 goto exit; 338 } 339 /* Now retrieve scan results */ 340 numbss = msg1.numbss.data; 341 342 for (i = 0; i < numbss; i++) { 343 int freq; 344 345 memset(&msg2, 0, sizeof(msg2)); 346 msg2.msgcode = DIDMSG_DOT11REQ_SCAN_RESULTS; 347 msg2.bssindex.data = i; 348 349 result = p80211req_dorequest(wlandev, (u8 *)&msg2); 350 if ((result != 0) || 351 (msg2.resultcode.data != P80211ENUM_resultcode_success)) { 352 break; 353 } 354 355 ie_buf[0] = WLAN_EID_SSID; 356 ie_buf[1] = msg2.ssid.data.len; 357 ie_len = ie_buf[1] + 2; 358 memcpy(&ie_buf[2], &msg2.ssid.data.data, msg2.ssid.data.len); 359 freq = ieee80211_channel_to_frequency(msg2.dschannel.data, 360 NL80211_BAND_2GHZ); 361 bss = cfg80211_inform_bss(wiphy, 362 ieee80211_get_channel(wiphy, freq), 363 CFG80211_BSS_FTYPE_UNKNOWN, 364 (const u8 *)&msg2.bssid.data.data, 365 msg2.timestamp.data, msg2.capinfo.data, 366 msg2.beaconperiod.data, 367 ie_buf, 368 ie_len, 369 (msg2.signal.data - 65536) * 100, /* Conversion to signed type */ 370 GFP_KERNEL); 371 372 if (!bss) { 373 err = -ENOMEM; 374 goto exit; 375 } 376 377 cfg80211_put_bss(wiphy, bss); 378 } 379 380 if (result) 381 err = prism2_result2err(msg2.resultcode.data); 382 383 exit: 384 info.aborted = !!(err); 385 cfg80211_scan_done(request, &info); 386 priv->scan_request = NULL; 387 return err; 388 } 389 390 static int prism2_set_wiphy_params(struct wiphy *wiphy, u32 changed) 391 { 392 struct prism2_wiphy_private *priv = wiphy_priv(wiphy); 393 struct wlandevice *wlandev = priv->wlandev; 394 u32 data; 395 int result; 396 int err = 0; 397 398 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 399 if (wiphy->rts_threshold == -1) 400 data = 2347; 401 else 402 data = wiphy->rts_threshold; 403 404 result = prism2_domibset_uint32(wlandev, 405 DIDMIB_DOT11MAC_OPERATIONTABLE_RTSTHRESHOLD, 406 data); 407 if (result) { 408 err = -EFAULT; 409 goto exit; 410 } 411 } 412 413 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 414 if (wiphy->frag_threshold == -1) 415 data = 2346; 416 else 417 data = wiphy->frag_threshold; 418 419 result = prism2_domibset_uint32(wlandev, 420 DIDMIB_DOT11MAC_OPERATIONTABLE_FRAGMENTATIONTHRESHOLD, 421 data); 422 if (result) { 423 err = -EFAULT; 424 goto exit; 425 } 426 } 427 428 exit: 429 return err; 430 } 431 432 static int prism2_connect(struct wiphy *wiphy, struct net_device *dev, 433 struct cfg80211_connect_params *sme) 434 { 435 struct wlandevice *wlandev = dev->ml_priv; 436 struct ieee80211_channel *channel = sme->channel; 437 struct p80211msg_lnxreq_autojoin msg_join; 438 u32 did; 439 int length = sme->ssid_len; 440 int chan = -1; 441 int is_wep = (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP40) || 442 (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP104); 443 int result; 444 int err = 0; 445 446 /* Set the channel */ 447 if (channel) { 448 chan = ieee80211_frequency_to_channel(channel->center_freq); 449 result = prism2_domibset_uint32(wlandev, 450 DIDMIB_DOT11PHY_DSSSTABLE_CURRENTCHANNEL, 451 chan); 452 if (result) 453 goto exit; 454 } 455 456 /* Set the authorization */ 457 if ((sme->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) || 458 ((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && !is_wep)) 459 msg_join.authtype.data = P80211ENUM_authalg_opensystem; 460 else if ((sme->auth_type == NL80211_AUTHTYPE_SHARED_KEY) || 461 ((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && is_wep)) 462 msg_join.authtype.data = P80211ENUM_authalg_sharedkey; 463 else 464 netdev_warn(dev, 465 "Unhandled authorisation type for connect (%d)\n", 466 sme->auth_type); 467 468 /* Set the encryption - we only support wep */ 469 if (is_wep) { 470 if (sme->key) { 471 if (sme->key_idx >= NUM_WEPKEYS) 472 return -EINVAL; 473 474 result = prism2_domibset_uint32(wlandev, 475 DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID, 476 sme->key_idx); 477 if (result) 478 goto exit; 479 480 /* send key to driver */ 481 did = didmib_dot11smt_wepdefaultkeystable_key( 482 sme->key_idx + 1); 483 result = prism2_domibset_pstr32(wlandev, 484 did, sme->key_len, 485 (u8 *)sme->key); 486 if (result) 487 goto exit; 488 } 489 490 /* Assume we should set privacy invoked and exclude unencrypted 491 * We could possible use sme->privacy here, but the assumption 492 * seems reasonable anyways 493 */ 494 result = prism2_domibset_uint32(wlandev, 495 DIDMIB_DOT11SMT_PRIVACYTABLE_PRIVACYINVOKED, 496 P80211ENUM_truth_true); 497 if (result) 498 goto exit; 499 500 result = prism2_domibset_uint32(wlandev, 501 DIDMIB_DOT11SMT_PRIVACYTABLE_EXCLUDEUNENCRYPTED, 502 P80211ENUM_truth_true); 503 if (result) 504 goto exit; 505 506 } else { 507 /* Assume we should unset privacy invoked 508 * and exclude unencrypted 509 */ 510 result = prism2_domibset_uint32(wlandev, 511 DIDMIB_DOT11SMT_PRIVACYTABLE_PRIVACYINVOKED, 512 P80211ENUM_truth_false); 513 if (result) 514 goto exit; 515 516 result = prism2_domibset_uint32(wlandev, 517 DIDMIB_DOT11SMT_PRIVACYTABLE_EXCLUDEUNENCRYPTED, 518 P80211ENUM_truth_false); 519 if (result) 520 goto exit; 521 } 522 523 /* Now do the actual join. Note there is no way that I can 524 * see to request a specific bssid 525 */ 526 msg_join.msgcode = DIDMSG_LNXREQ_AUTOJOIN; 527 528 memcpy(msg_join.ssid.data.data, sme->ssid, length); 529 msg_join.ssid.data.len = length; 530 531 result = p80211req_dorequest(wlandev, (u8 *)&msg_join); 532 533 exit: 534 if (result) 535 err = -EFAULT; 536 537 return err; 538 } 539 540 static int prism2_disconnect(struct wiphy *wiphy, struct net_device *dev, 541 u16 reason_code) 542 { 543 struct wlandevice *wlandev = dev->ml_priv; 544 struct p80211msg_lnxreq_autojoin msg_join; 545 int result; 546 int err = 0; 547 548 /* Do a join, with a bogus ssid. Thats the only way I can think of */ 549 msg_join.msgcode = DIDMSG_LNXREQ_AUTOJOIN; 550 551 memcpy(msg_join.ssid.data.data, "---", 3); 552 msg_join.ssid.data.len = 3; 553 554 result = p80211req_dorequest(wlandev, (u8 *)&msg_join); 555 556 if (result) 557 err = -EFAULT; 558 559 return err; 560 } 561 562 static int prism2_join_ibss(struct wiphy *wiphy, struct net_device *dev, 563 struct cfg80211_ibss_params *params) 564 { 565 return -EOPNOTSUPP; 566 } 567 568 static int prism2_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 569 { 570 return -EOPNOTSUPP; 571 } 572 573 static int prism2_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 574 enum nl80211_tx_power_setting type, int mbm) 575 { 576 struct prism2_wiphy_private *priv = wiphy_priv(wiphy); 577 struct wlandevice *wlandev = priv->wlandev; 578 u32 data; 579 int result; 580 int err = 0; 581 582 if (type == NL80211_TX_POWER_AUTOMATIC) 583 data = 30; 584 else 585 data = MBM_TO_DBM(mbm); 586 587 result = prism2_domibset_uint32(wlandev, 588 DIDMIB_DOT11PHY_TXPOWERTABLE_CURRENTTXPOWERLEVEL, 589 data); 590 591 if (result) { 592 err = -EFAULT; 593 goto exit; 594 } 595 596 exit: 597 return err; 598 } 599 600 static int prism2_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 601 int *dbm) 602 { 603 struct prism2_wiphy_private *priv = wiphy_priv(wiphy); 604 struct wlandevice *wlandev = priv->wlandev; 605 struct p80211msg_dot11req_mibget msg; 606 struct p80211item_uint32 *mibitem; 607 int result; 608 int err = 0; 609 610 mibitem = (struct p80211item_uint32 *)&msg.mibattribute.data; 611 msg.msgcode = DIDMSG_DOT11REQ_MIBGET; 612 mibitem->did = DIDMIB_DOT11PHY_TXPOWERTABLE_CURRENTTXPOWERLEVEL; 613 614 result = p80211req_dorequest(wlandev, (u8 *)&msg); 615 616 if (result) { 617 err = -EFAULT; 618 goto exit; 619 } 620 621 *dbm = mibitem->data; 622 623 exit: 624 return err; 625 } 626 627 /* Interface callback functions, passing data back up to the cfg80211 layer */ 628 void prism2_connect_result(struct wlandevice *wlandev, u8 failed) 629 { 630 u16 status = failed ? 631 WLAN_STATUS_UNSPECIFIED_FAILURE : WLAN_STATUS_SUCCESS; 632 633 cfg80211_connect_result(wlandev->netdev, wlandev->bssid, 634 NULL, 0, NULL, 0, status, GFP_KERNEL); 635 } 636 637 void prism2_disconnected(struct wlandevice *wlandev) 638 { 639 cfg80211_disconnected(wlandev->netdev, 0, NULL, 640 0, false, GFP_KERNEL); 641 } 642 643 void prism2_roamed(struct wlandevice *wlandev) 644 { 645 struct cfg80211_roam_info roam_info = { 646 .bssid = wlandev->bssid, 647 }; 648 649 cfg80211_roamed(wlandev->netdev, &roam_info, GFP_KERNEL); 650 } 651 652 /* Structures for declaring wiphy interface */ 653 static const struct cfg80211_ops prism2_usb_cfg_ops = { 654 .change_virtual_intf = prism2_change_virtual_intf, 655 .add_key = prism2_add_key, 656 .get_key = prism2_get_key, 657 .del_key = prism2_del_key, 658 .set_default_key = prism2_set_default_key, 659 .get_station = prism2_get_station, 660 .scan = prism2_scan, 661 .set_wiphy_params = prism2_set_wiphy_params, 662 .connect = prism2_connect, 663 .disconnect = prism2_disconnect, 664 .join_ibss = prism2_join_ibss, 665 .leave_ibss = prism2_leave_ibss, 666 .set_tx_power = prism2_set_tx_power, 667 .get_tx_power = prism2_get_tx_power, 668 }; 669 670 /* Functions to create/free wiphy interface */ 671 static struct wiphy *wlan_create_wiphy(struct device *dev, 672 struct wlandevice *wlandev) 673 { 674 struct wiphy *wiphy; 675 struct prism2_wiphy_private *priv; 676 677 wiphy = wiphy_new(&prism2_usb_cfg_ops, sizeof(*priv)); 678 if (!wiphy) 679 return NULL; 680 681 priv = wiphy_priv(wiphy); 682 priv->wlandev = wlandev; 683 memcpy(priv->channels, prism2_channels, sizeof(prism2_channels)); 684 memcpy(priv->rates, prism2_rates, sizeof(prism2_rates)); 685 priv->band.channels = priv->channels; 686 priv->band.n_channels = ARRAY_SIZE(prism2_channels); 687 priv->band.bitrates = priv->rates; 688 priv->band.n_bitrates = ARRAY_SIZE(prism2_rates); 689 priv->band.band = NL80211_BAND_2GHZ; 690 priv->band.ht_cap.ht_supported = false; 691 wiphy->bands[NL80211_BAND_2GHZ] = &priv->band; 692 693 set_wiphy_dev(wiphy, dev); 694 wiphy->privid = prism2_wiphy_privid; 695 wiphy->max_scan_ssids = 1; 696 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) 697 | BIT(NL80211_IFTYPE_ADHOC); 698 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 699 wiphy->n_cipher_suites = PRISM2_NUM_CIPHER_SUITES; 700 wiphy->cipher_suites = prism2_cipher_suites; 701 702 if (wiphy_register(wiphy) < 0) { 703 wiphy_free(wiphy); 704 return NULL; 705 } 706 707 return wiphy; 708 } 709 710 static void wlan_free_wiphy(struct wiphy *wiphy) 711 { 712 wiphy_unregister(wiphy); 713 wiphy_free(wiphy); 714 } 715