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 msg2 = kzalloc(sizeof(*msg2), GFP_KERNEL); 305 if (!msg2) 306 return -ENOMEM; 307 308 priv->scan_request = request; 309 310 memset(&msg1, 0x00, sizeof(msg1)); 311 msg1.msgcode = DIDMSG_DOT11REQ_SCAN; 312 msg1.bsstype.data = P80211ENUM_bsstype_any; 313 314 memset(&msg1.bssid.data.data, 0xFF, sizeof(msg1.bssid.data.data)); 315 msg1.bssid.data.len = 6; 316 317 if (request->n_ssids > 0) { 318 msg1.scantype.data = P80211ENUM_scantype_active; 319 msg1.ssid.data.len = request->ssids->ssid_len; 320 memcpy(msg1.ssid.data.data, 321 request->ssids->ssid, request->ssids->ssid_len); 322 } else { 323 msg1.scantype.data = 0; 324 } 325 msg1.probedelay.data = 0; 326 327 for (i = 0; 328 (i < request->n_channels) && i < ARRAY_SIZE(prism2_channels); 329 i++) 330 msg1.channellist.data.data[i] = 331 ieee80211_frequency_to_channel(request->channels[i]->center_freq); 332 msg1.channellist.data.len = request->n_channels; 333 334 msg1.maxchanneltime.data = 250; 335 msg1.minchanneltime.data = 200; 336 337 result = p80211req_dorequest(wlandev, (u8 *)&msg1); 338 if (result) { 339 err = prism2_result2err(msg1.resultcode.data); 340 goto exit; 341 } 342 /* Now retrieve scan results */ 343 numbss = msg1.numbss.data; 344 345 for (i = 0; i < numbss; i++) { 346 int freq; 347 348 msg2->msgcode = DIDMSG_DOT11REQ_SCAN_RESULTS; 349 msg2->bssindex.data = i; 350 351 result = p80211req_dorequest(wlandev, (u8 *)&msg2); 352 if ((result != 0) || 353 (msg2->resultcode.data != P80211ENUM_resultcode_success)) { 354 break; 355 } 356 357 ie_buf[0] = WLAN_EID_SSID; 358 ie_buf[1] = msg2->ssid.data.len; 359 ie_len = ie_buf[1] + 2; 360 memcpy(&ie_buf[2], &msg2->ssid.data.data, msg2->ssid.data.len); 361 freq = ieee80211_channel_to_frequency(msg2->dschannel.data, 362 NL80211_BAND_2GHZ); 363 bss = cfg80211_inform_bss(wiphy, 364 ieee80211_get_channel(wiphy, freq), 365 CFG80211_BSS_FTYPE_UNKNOWN, 366 (const u8 *)&msg2->bssid.data.data, 367 msg2->timestamp.data, msg2->capinfo.data, 368 msg2->beaconperiod.data, 369 ie_buf, 370 ie_len, 371 (msg2->signal.data - 65536) * 100, /* Conversion to signed type */ 372 GFP_KERNEL); 373 374 if (!bss) { 375 err = -ENOMEM; 376 goto exit; 377 } 378 379 cfg80211_put_bss(wiphy, bss); 380 } 381 382 if (result) 383 err = prism2_result2err(msg2->resultcode.data); 384 385 exit: 386 info.aborted = !!(err); 387 cfg80211_scan_done(request, &info); 388 priv->scan_request = NULL; 389 kfree(msg2); 390 return err; 391 } 392 393 static int prism2_set_wiphy_params(struct wiphy *wiphy, u32 changed) 394 { 395 struct prism2_wiphy_private *priv = wiphy_priv(wiphy); 396 struct wlandevice *wlandev = priv->wlandev; 397 u32 data; 398 int result; 399 int err = 0; 400 401 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 402 if (wiphy->rts_threshold == -1) 403 data = 2347; 404 else 405 data = wiphy->rts_threshold; 406 407 result = prism2_domibset_uint32(wlandev, 408 DIDMIB_DOT11MAC_OPERATIONTABLE_RTSTHRESHOLD, 409 data); 410 if (result) { 411 err = -EFAULT; 412 goto exit; 413 } 414 } 415 416 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 417 if (wiphy->frag_threshold == -1) 418 data = 2346; 419 else 420 data = wiphy->frag_threshold; 421 422 result = prism2_domibset_uint32(wlandev, 423 DIDMIB_DOT11MAC_OPERATIONTABLE_FRAGMENTATIONTHRESHOLD, 424 data); 425 if (result) { 426 err = -EFAULT; 427 goto exit; 428 } 429 } 430 431 exit: 432 return err; 433 } 434 435 static int prism2_connect(struct wiphy *wiphy, struct net_device *dev, 436 struct cfg80211_connect_params *sme) 437 { 438 struct wlandevice *wlandev = dev->ml_priv; 439 struct ieee80211_channel *channel = sme->channel; 440 struct p80211msg_lnxreq_autojoin msg_join; 441 u32 did; 442 int length = sme->ssid_len; 443 int chan = -1; 444 int is_wep = (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP40) || 445 (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP104); 446 int result; 447 int err = 0; 448 449 /* Set the channel */ 450 if (channel) { 451 chan = ieee80211_frequency_to_channel(channel->center_freq); 452 result = prism2_domibset_uint32(wlandev, 453 DIDMIB_DOT11PHY_DSSSTABLE_CURRENTCHANNEL, 454 chan); 455 if (result) 456 goto exit; 457 } 458 459 /* Set the authorization */ 460 if ((sme->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) || 461 ((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && !is_wep)) 462 msg_join.authtype.data = P80211ENUM_authalg_opensystem; 463 else if ((sme->auth_type == NL80211_AUTHTYPE_SHARED_KEY) || 464 ((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && is_wep)) 465 msg_join.authtype.data = P80211ENUM_authalg_sharedkey; 466 else 467 netdev_warn(dev, 468 "Unhandled authorisation type for connect (%d)\n", 469 sme->auth_type); 470 471 /* Set the encryption - we only support wep */ 472 if (is_wep) { 473 if (sme->key) { 474 if (sme->key_idx >= NUM_WEPKEYS) 475 return -EINVAL; 476 477 result = prism2_domibset_uint32(wlandev, 478 DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID, 479 sme->key_idx); 480 if (result) 481 goto exit; 482 483 /* send key to driver */ 484 did = didmib_dot11smt_wepdefaultkeystable_key(sme->key_idx + 1); 485 result = prism2_domibset_pstr32(wlandev, 486 did, sme->key_len, 487 (u8 *)sme->key); 488 if (result) 489 goto exit; 490 } 491 492 /* Assume we should set privacy invoked and exclude unencrypted 493 * We could possible use sme->privacy here, but the assumption 494 * seems reasonable anyways 495 */ 496 result = prism2_domibset_uint32(wlandev, 497 DIDMIB_DOT11SMT_PRIVACYTABLE_PRIVACYINVOKED, 498 P80211ENUM_truth_true); 499 if (result) 500 goto exit; 501 502 result = prism2_domibset_uint32(wlandev, 503 DIDMIB_DOT11SMT_PRIVACYTABLE_EXCLUDEUNENCRYPTED, 504 P80211ENUM_truth_true); 505 if (result) 506 goto exit; 507 508 } else { 509 /* Assume we should unset privacy invoked 510 * and exclude unencrypted 511 */ 512 result = prism2_domibset_uint32(wlandev, 513 DIDMIB_DOT11SMT_PRIVACYTABLE_PRIVACYINVOKED, 514 P80211ENUM_truth_false); 515 if (result) 516 goto exit; 517 518 result = prism2_domibset_uint32(wlandev, 519 DIDMIB_DOT11SMT_PRIVACYTABLE_EXCLUDEUNENCRYPTED, 520 P80211ENUM_truth_false); 521 if (result) 522 goto exit; 523 } 524 525 /* Now do the actual join. Note there is no way that I can 526 * see to request a specific bssid 527 */ 528 msg_join.msgcode = DIDMSG_LNXREQ_AUTOJOIN; 529 530 memcpy(msg_join.ssid.data.data, sme->ssid, length); 531 msg_join.ssid.data.len = length; 532 533 result = p80211req_dorequest(wlandev, (u8 *)&msg_join); 534 535 exit: 536 if (result) 537 err = -EFAULT; 538 539 return err; 540 } 541 542 static int prism2_disconnect(struct wiphy *wiphy, struct net_device *dev, 543 u16 reason_code) 544 { 545 struct wlandevice *wlandev = dev->ml_priv; 546 struct p80211msg_lnxreq_autojoin msg_join; 547 int result; 548 int err = 0; 549 550 /* Do a join, with a bogus ssid. Thats the only way I can think of */ 551 msg_join.msgcode = DIDMSG_LNXREQ_AUTOJOIN; 552 553 memcpy(msg_join.ssid.data.data, "---", 3); 554 msg_join.ssid.data.len = 3; 555 556 result = p80211req_dorequest(wlandev, (u8 *)&msg_join); 557 558 if (result) 559 err = -EFAULT; 560 561 return err; 562 } 563 564 static int prism2_join_ibss(struct wiphy *wiphy, struct net_device *dev, 565 struct cfg80211_ibss_params *params) 566 { 567 return -EOPNOTSUPP; 568 } 569 570 static int prism2_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 571 { 572 return -EOPNOTSUPP; 573 } 574 575 static int prism2_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 576 enum nl80211_tx_power_setting type, int mbm) 577 { 578 struct prism2_wiphy_private *priv = wiphy_priv(wiphy); 579 struct wlandevice *wlandev = priv->wlandev; 580 u32 data; 581 int result; 582 int err = 0; 583 584 if (type == NL80211_TX_POWER_AUTOMATIC) 585 data = 30; 586 else 587 data = MBM_TO_DBM(mbm); 588 589 result = prism2_domibset_uint32(wlandev, 590 DIDMIB_DOT11PHY_TXPOWERTABLE_CURRENTTXPOWERLEVEL, 591 data); 592 593 if (result) { 594 err = -EFAULT; 595 goto exit; 596 } 597 598 exit: 599 return err; 600 } 601 602 static int prism2_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, 603 int *dbm) 604 { 605 struct prism2_wiphy_private *priv = wiphy_priv(wiphy); 606 struct wlandevice *wlandev = priv->wlandev; 607 struct p80211msg_dot11req_mibget msg; 608 struct p80211item_uint32 *mibitem; 609 int result; 610 int err = 0; 611 612 mibitem = (struct p80211item_uint32 *)&msg.mibattribute.data; 613 msg.msgcode = DIDMSG_DOT11REQ_MIBGET; 614 mibitem->did = DIDMIB_DOT11PHY_TXPOWERTABLE_CURRENTTXPOWERLEVEL; 615 616 result = p80211req_dorequest(wlandev, (u8 *)&msg); 617 618 if (result) { 619 err = -EFAULT; 620 goto exit; 621 } 622 623 *dbm = mibitem->data; 624 625 exit: 626 return err; 627 } 628 629 /* Interface callback functions, passing data back up to the cfg80211 layer */ 630 void prism2_connect_result(struct wlandevice *wlandev, u8 failed) 631 { 632 u16 status = failed ? 633 WLAN_STATUS_UNSPECIFIED_FAILURE : WLAN_STATUS_SUCCESS; 634 635 cfg80211_connect_result(wlandev->netdev, wlandev->bssid, 636 NULL, 0, NULL, 0, status, GFP_KERNEL); 637 } 638 639 void prism2_disconnected(struct wlandevice *wlandev) 640 { 641 cfg80211_disconnected(wlandev->netdev, 0, NULL, 642 0, false, GFP_KERNEL); 643 } 644 645 void prism2_roamed(struct wlandevice *wlandev) 646 { 647 struct cfg80211_roam_info roam_info = { 648 .links[0].bssid = wlandev->bssid, 649 }; 650 651 cfg80211_roamed(wlandev->netdev, &roam_info, GFP_KERNEL); 652 } 653 654 /* Structures for declaring wiphy interface */ 655 static const struct cfg80211_ops prism2_usb_cfg_ops = { 656 .change_virtual_intf = prism2_change_virtual_intf, 657 .add_key = prism2_add_key, 658 .get_key = prism2_get_key, 659 .del_key = prism2_del_key, 660 .set_default_key = prism2_set_default_key, 661 .get_station = prism2_get_station, 662 .scan = prism2_scan, 663 .set_wiphy_params = prism2_set_wiphy_params, 664 .connect = prism2_connect, 665 .disconnect = prism2_disconnect, 666 .join_ibss = prism2_join_ibss, 667 .leave_ibss = prism2_leave_ibss, 668 .set_tx_power = prism2_set_tx_power, 669 .get_tx_power = prism2_get_tx_power, 670 }; 671 672 /* Functions to create/free wiphy interface */ 673 static struct wiphy *wlan_create_wiphy(struct device *dev, 674 struct wlandevice *wlandev) 675 { 676 struct wiphy *wiphy; 677 struct prism2_wiphy_private *priv; 678 679 wiphy = wiphy_new(&prism2_usb_cfg_ops, sizeof(*priv)); 680 if (!wiphy) 681 return NULL; 682 683 priv = wiphy_priv(wiphy); 684 priv->wlandev = wlandev; 685 memcpy(priv->channels, prism2_channels, sizeof(prism2_channels)); 686 memcpy(priv->rates, prism2_rates, sizeof(prism2_rates)); 687 priv->band.channels = priv->channels; 688 priv->band.n_channels = ARRAY_SIZE(prism2_channels); 689 priv->band.bitrates = priv->rates; 690 priv->band.n_bitrates = ARRAY_SIZE(prism2_rates); 691 priv->band.band = NL80211_BAND_2GHZ; 692 priv->band.ht_cap.ht_supported = false; 693 wiphy->bands[NL80211_BAND_2GHZ] = &priv->band; 694 695 set_wiphy_dev(wiphy, dev); 696 wiphy->privid = prism2_wiphy_privid; 697 wiphy->max_scan_ssids = 1; 698 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) 699 | BIT(NL80211_IFTYPE_ADHOC); 700 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 701 wiphy->n_cipher_suites = PRISM2_NUM_CIPHER_SUITES; 702 wiphy->cipher_suites = prism2_cipher_suites; 703 704 if (wiphy_register(wiphy) < 0) { 705 wiphy_free(wiphy); 706 return NULL; 707 } 708 709 return wiphy; 710 } 711 712 static void wlan_free_wiphy(struct wiphy *wiphy) 713 { 714 wiphy_unregister(wiphy); 715 wiphy_free(wiphy); 716 } 717