1/* 2 * Copyright (C) 2002 Intersil Americas Inc. 3 * (C) 2003,2004 Aurelien Alleaume <slts@free.fr> 4 * (C) 2003 Herbert Valerio Riedel <hvr@gnu.org> 5 * (C) 2003 Luis R. Rodriguez <mcgrof@ruslug.rutgers.edu> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22#include <linux/capability.h> 23#include <linux/module.h> 24#include <linux/kernel.h> 25#include <linux/if_arp.h> 26#include <linux/slab.h> 27#include <linux/pci.h> 28 29#include <asm/uaccess.h> 30 31#include "prismcompat.h" 32#include "isl_ioctl.h" 33#include "islpci_mgt.h" 34#include "isl_oid.h" /* additional types and defs for isl38xx fw */ 35#include "oid_mgt.h" 36 37#include <net/iw_handler.h> /* New driver API */ 38 39#define KEY_SIZE_WEP104 13 /* 104/128-bit WEP keys */ 40#define KEY_SIZE_WEP40 5 /* 40/64-bit WEP keys */ 41/* KEY_SIZE_TKIP should match isl_oid.h, struct obj_key.key[] size */ 42#define KEY_SIZE_TKIP 32 /* TKIP keys */ 43 44static void prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid, 45 u8 *wpa_ie, size_t wpa_ie_len); 46static size_t prism54_wpa_bss_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie); 47static int prism54_set_wpa(struct net_device *, struct iw_request_info *, 48 __u32 *, char *); 49 50/* In 500 kbps */ 51static const unsigned char scan_rate_list[] = { 2, 4, 11, 22, 52 12, 18, 24, 36, 53 48, 72, 96, 108 }; 54 55/** 56 * prism54_mib_mode_helper - MIB change mode helper function 57 * @mib: the &struct islpci_mib object to modify 58 * @iw_mode: new mode (%IW_MODE_*) 59 * 60 * This is a helper function, hence it does not lock. Make sure 61 * caller deals with locking *if* necessary. This function sets the 62 * mode-dependent mib values and does the mapping of the Linux 63 * Wireless API modes to Device firmware modes. It also checks for 64 * correct valid Linux wireless modes. 65 */ 66static int 67prism54_mib_mode_helper(islpci_private *priv, u32 iw_mode) 68{ 69 u32 config = INL_CONFIG_MANUALRUN; 70 u32 mode, bsstype; 71 72 /* For now, just catch early the Repeater and Secondary modes here */ 73 if (iw_mode == IW_MODE_REPEAT || iw_mode == IW_MODE_SECOND) { 74 printk(KERN_DEBUG 75 "%s(): Sorry, Repeater mode and Secondary mode " 76 "are not yet supported by this driver.\n", __func__); 77 return -EINVAL; 78 } 79 80 priv->iw_mode = iw_mode; 81 82 switch (iw_mode) { 83 case IW_MODE_AUTO: 84 mode = INL_MODE_CLIENT; 85 bsstype = DOT11_BSSTYPE_ANY; 86 break; 87 case IW_MODE_ADHOC: 88 mode = INL_MODE_CLIENT; 89 bsstype = DOT11_BSSTYPE_IBSS; 90 break; 91 case IW_MODE_INFRA: 92 mode = INL_MODE_CLIENT; 93 bsstype = DOT11_BSSTYPE_INFRA; 94 break; 95 case IW_MODE_MASTER: 96 mode = INL_MODE_AP; 97 bsstype = DOT11_BSSTYPE_INFRA; 98 break; 99 case IW_MODE_MONITOR: 100 mode = INL_MODE_PROMISCUOUS; 101 bsstype = DOT11_BSSTYPE_ANY; 102 config |= INL_CONFIG_RXANNEX; 103 break; 104 default: 105 return -EINVAL; 106 } 107 108 if (init_wds) 109 config |= INL_CONFIG_WDS; 110 mgt_set(priv, DOT11_OID_BSSTYPE, &bsstype); 111 mgt_set(priv, OID_INL_CONFIG, &config); 112 mgt_set(priv, OID_INL_MODE, &mode); 113 114 return 0; 115} 116 117/** 118 * prism54_mib_init - fill MIB cache with defaults 119 * 120 * this function initializes the struct given as @mib with defaults, 121 * of which many are retrieved from the global module parameter 122 * variables. 123 */ 124 125void 126prism54_mib_init(islpci_private *priv) 127{ 128 u32 channel, authen, wep, filter, dot1x, mlme, conformance, power, mode; 129 struct obj_buffer psm_buffer = { 130 .size = PSM_BUFFER_SIZE, 131 .addr = priv->device_psm_buffer 132 }; 133 134 channel = CARD_DEFAULT_CHANNEL; 135 authen = CARD_DEFAULT_AUTHEN; 136 wep = CARD_DEFAULT_WEP; 137 filter = CARD_DEFAULT_FILTER; /* (0) Do not filter un-encrypted data */ 138 dot1x = CARD_DEFAULT_DOT1X; 139 mlme = CARD_DEFAULT_MLME_MODE; 140 conformance = CARD_DEFAULT_CONFORMANCE; 141 power = 127; 142 mode = CARD_DEFAULT_IW_MODE; 143 144 mgt_set(priv, DOT11_OID_CHANNEL, &channel); 145 mgt_set(priv, DOT11_OID_AUTHENABLE, &authen); 146 mgt_set(priv, DOT11_OID_PRIVACYINVOKED, &wep); 147 mgt_set(priv, DOT11_OID_PSMBUFFER, &psm_buffer); 148 mgt_set(priv, DOT11_OID_EXUNENCRYPTED, &filter); 149 mgt_set(priv, DOT11_OID_DOT1XENABLE, &dot1x); 150 mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlme); 151 mgt_set(priv, OID_INL_DOT11D_CONFORMANCE, &conformance); 152 mgt_set(priv, OID_INL_OUTPUTPOWER, &power); 153 154 /* This sets all of the mode-dependent values */ 155 prism54_mib_mode_helper(priv, mode); 156} 157 158/* this will be executed outside of atomic context thanks to 159 * schedule_work(), thus we can as well use sleeping semaphore 160 * locking */ 161void 162prism54_update_stats(struct work_struct *work) 163{ 164 islpci_private *priv = container_of(work, islpci_private, stats_work); 165 char *data; 166 int j; 167 struct obj_bss bss, *bss2; 168 union oid_res_t r; 169 170 mutex_lock(&priv->stats_lock); 171 172/* Noise floor. 173 * I'm not sure if the unit is dBm. 174 * Note : If we are not connected, this value seems to be irrelevant. */ 175 176 mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r); 177 priv->local_iwstatistics.qual.noise = r.u; 178 179/* Get the rssi of the link. To do this we need to retrieve a bss. */ 180 181 /* First get the MAC address of the AP we are associated with. */ 182 mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r); 183 data = r.ptr; 184 185 /* copy this MAC to the bss */ 186 memcpy(bss.address, data, 6); 187 kfree(data); 188 189 /* now ask for the corresponding bss */ 190 j = mgt_get_request(priv, DOT11_OID_BSSFIND, 0, (void *) &bss, &r); 191 bss2 = r.ptr; 192 /* report the rssi and use it to calculate 193 * link quality through a signal-noise 194 * ratio */ 195 priv->local_iwstatistics.qual.level = bss2->rssi; 196 priv->local_iwstatistics.qual.qual = 197 bss2->rssi - priv->iwstatistics.qual.noise; 198 199 kfree(bss2); 200 201 /* report that the stats are new */ 202 priv->local_iwstatistics.qual.updated = 0x7; 203 204/* Rx : unable to decrypt the MPDU */ 205 mgt_get_request(priv, DOT11_OID_PRIVRXFAILED, 0, NULL, &r); 206 priv->local_iwstatistics.discard.code = r.u; 207 208/* Tx : Max MAC retries num reached */ 209 mgt_get_request(priv, DOT11_OID_MPDUTXFAILED, 0, NULL, &r); 210 priv->local_iwstatistics.discard.retries = r.u; 211 212 mutex_unlock(&priv->stats_lock); 213} 214 215struct iw_statistics * 216prism54_get_wireless_stats(struct net_device *ndev) 217{ 218 islpci_private *priv = netdev_priv(ndev); 219 220 /* If the stats are being updated return old data */ 221 if (mutex_trylock(&priv->stats_lock)) { 222 memcpy(&priv->iwstatistics, &priv->local_iwstatistics, 223 sizeof (struct iw_statistics)); 224 /* They won't be marked updated for the next time */ 225 priv->local_iwstatistics.qual.updated = 0; 226 mutex_unlock(&priv->stats_lock); 227 } else 228 priv->iwstatistics.qual.updated = 0; 229 230 /* Update our wireless stats, but do not schedule to often 231 * (max 1 HZ) */ 232 if ((priv->stats_timestamp == 0) || 233 time_after(jiffies, priv->stats_timestamp + 1 * HZ)) { 234 schedule_work(&priv->stats_work); 235 priv->stats_timestamp = jiffies; 236 } 237 238 return &priv->iwstatistics; 239} 240 241static int 242prism54_commit(struct net_device *ndev, struct iw_request_info *info, 243 char *cwrq, char *extra) 244{ 245 islpci_private *priv = netdev_priv(ndev); 246 247 /* simply re-set the last set SSID, this should commit most stuff */ 248 249 /* Commit in Monitor mode is not necessary, also setting essid 250 * in Monitor mode does not make sense and isn't allowed for this 251 * device's firmware */ 252 if (priv->iw_mode != IW_MODE_MONITOR) 253 return mgt_set_request(priv, DOT11_OID_SSID, 0, NULL); 254 return 0; 255} 256 257static int 258prism54_get_name(struct net_device *ndev, struct iw_request_info *info, 259 char *cwrq, char *extra) 260{ 261 islpci_private *priv = netdev_priv(ndev); 262 char *capabilities; 263 union oid_res_t r; 264 int rvalue; 265 266 if (islpci_get_state(priv) < PRV_STATE_INIT) { 267 strncpy(cwrq, "NOT READY!", IFNAMSIZ); 268 return 0; 269 } 270 rvalue = mgt_get_request(priv, OID_INL_PHYCAPABILITIES, 0, NULL, &r); 271 272 switch (r.u) { 273 case INL_PHYCAP_5000MHZ: 274 capabilities = "IEEE 802.11a/b/g"; 275 break; 276 case INL_PHYCAP_FAA: 277 capabilities = "IEEE 802.11b/g - FAA Support"; 278 break; 279 case INL_PHYCAP_2400MHZ: 280 default: 281 capabilities = "IEEE 802.11b/g"; /* Default */ 282 break; 283 } 284 strncpy(cwrq, capabilities, IFNAMSIZ); 285 return rvalue; 286} 287 288static int 289prism54_set_freq(struct net_device *ndev, struct iw_request_info *info, 290 struct iw_freq *fwrq, char *extra) 291{ 292 islpci_private *priv = netdev_priv(ndev); 293 int rvalue; 294 u32 c; 295 296 if (fwrq->m < 1000) 297 /* we have a channel number */ 298 c = fwrq->m; 299 else 300 c = (fwrq->e == 1) ? channel_of_freq(fwrq->m / 100000) : 0; 301 302 rvalue = c ? mgt_set_request(priv, DOT11_OID_CHANNEL, 0, &c) : -EINVAL; 303 304 /* Call commit handler */ 305 return (rvalue ? rvalue : -EINPROGRESS); 306} 307 308static int 309prism54_get_freq(struct net_device *ndev, struct iw_request_info *info, 310 struct iw_freq *fwrq, char *extra) 311{ 312 islpci_private *priv = netdev_priv(ndev); 313 union oid_res_t r; 314 int rvalue; 315 316 rvalue = mgt_get_request(priv, DOT11_OID_CHANNEL, 0, NULL, &r); 317 fwrq->i = r.u; 318 rvalue |= mgt_get_request(priv, DOT11_OID_FREQUENCY, 0, NULL, &r); 319 fwrq->m = r.u; 320 fwrq->e = 3; 321 322 return rvalue; 323} 324 325static int 326prism54_set_mode(struct net_device *ndev, struct iw_request_info *info, 327 __u32 * uwrq, char *extra) 328{ 329 islpci_private *priv = netdev_priv(ndev); 330 u32 mlmeautolevel = CARD_DEFAULT_MLME_MODE; 331 332 /* Let's see if the user passed a valid Linux Wireless mode */ 333 if (*uwrq > IW_MODE_MONITOR || *uwrq < IW_MODE_AUTO) { 334 printk(KERN_DEBUG 335 "%s: %s() You passed a non-valid init_mode.\n", 336 priv->ndev->name, __func__); 337 return -EINVAL; 338 } 339 340 down_write(&priv->mib_sem); 341 342 if (prism54_mib_mode_helper(priv, *uwrq)) { 343 up_write(&priv->mib_sem); 344 return -EOPNOTSUPP; 345 } 346 347 /* the ACL code needs an intermediate mlmeautolevel. The wpa stuff an 348 * extended one. 349 */ 350 if ((*uwrq == IW_MODE_MASTER) && (priv->acl.policy != MAC_POLICY_OPEN)) 351 mlmeautolevel = DOT11_MLME_INTERMEDIATE; 352 if (priv->wpa) 353 mlmeautolevel = DOT11_MLME_EXTENDED; 354 355 mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlmeautolevel); 356 357 if (mgt_commit(priv)) { 358 up_write(&priv->mib_sem); 359 return -EIO; 360 } 361 priv->ndev->type = (priv->iw_mode == IW_MODE_MONITOR) 362 ? priv->monitor_type : ARPHRD_ETHER; 363 up_write(&priv->mib_sem); 364 365 return 0; 366} 367 368/* Use mib cache */ 369static int 370prism54_get_mode(struct net_device *ndev, struct iw_request_info *info, 371 __u32 * uwrq, char *extra) 372{ 373 islpci_private *priv = netdev_priv(ndev); 374 375 BUG_ON((priv->iw_mode < IW_MODE_AUTO) || (priv->iw_mode > 376 IW_MODE_MONITOR)); 377 *uwrq = priv->iw_mode; 378 379 return 0; 380} 381 382/* we use DOT11_OID_EDTHRESHOLD. From what I guess the card will not try to 383 * emit data if (sensitivity > rssi - noise) (in dBm). 384 * prism54_set_sens does not seem to work. 385 */ 386 387static int 388prism54_set_sens(struct net_device *ndev, struct iw_request_info *info, 389 struct iw_param *vwrq, char *extra) 390{ 391 islpci_private *priv = netdev_priv(ndev); 392 u32 sens; 393 394 /* by default the card sets this to 20. */ 395 sens = vwrq->disabled ? 20 : vwrq->value; 396 397 return mgt_set_request(priv, DOT11_OID_EDTHRESHOLD, 0, &sens); 398} 399 400static int 401prism54_get_sens(struct net_device *ndev, struct iw_request_info *info, 402 struct iw_param *vwrq, char *extra) 403{ 404 islpci_private *priv = netdev_priv(ndev); 405 union oid_res_t r; 406 int rvalue; 407 408 rvalue = mgt_get_request(priv, DOT11_OID_EDTHRESHOLD, 0, NULL, &r); 409 410 vwrq->value = r.u; 411 vwrq->disabled = (vwrq->value == 0); 412 vwrq->fixed = 1; 413 414 return rvalue; 415} 416 417static int 418prism54_get_range(struct net_device *ndev, struct iw_request_info *info, 419 struct iw_point *dwrq, char *extra) 420{ 421 struct iw_range *range = (struct iw_range *) extra; 422 islpci_private *priv = netdev_priv(ndev); 423 u8 *data; 424 int i, m, rvalue; 425 struct obj_frequencies *freq; 426 union oid_res_t r; 427 428 memset(range, 0, sizeof (struct iw_range)); 429 dwrq->length = sizeof (struct iw_range); 430 431 /* set the wireless extension version number */ 432 range->we_version_source = SUPPORTED_WIRELESS_EXT; 433 range->we_version_compiled = WIRELESS_EXT; 434 435 /* Now the encoding capabilities */ 436 range->num_encoding_sizes = 3; 437 /* 64(40) bits WEP */ 438 range->encoding_size[0] = 5; 439 /* 128(104) bits WEP */ 440 range->encoding_size[1] = 13; 441 /* 256 bits for WPA-PSK */ 442 range->encoding_size[2] = 32; 443 /* 4 keys are allowed */ 444 range->max_encoding_tokens = 4; 445 446 /* we don't know the quality range... */ 447 range->max_qual.level = 0; 448 range->max_qual.noise = 0; 449 range->max_qual.qual = 0; 450 /* these value describe an average quality. Needs more tweaking... */ 451 range->avg_qual.level = -80; /* -80 dBm */ 452 range->avg_qual.noise = 0; /* don't know what to put here */ 453 range->avg_qual.qual = 0; 454 455 range->sensitivity = 200; 456 457 /* retry limit capabilities */ 458 range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME; 459 range->retry_flags = IW_RETRY_LIMIT; 460 range->r_time_flags = IW_RETRY_LIFETIME; 461 462 /* I don't know the range. Put stupid things here */ 463 range->min_retry = 1; 464 range->max_retry = 65535; 465 range->min_r_time = 1024; 466 range->max_r_time = 65535 * 1024; 467 468 /* txpower is supported in dBm's */ 469 range->txpower_capa = IW_TXPOW_DBM; 470 471 /* Event capability (kernel + driver) */ 472 range->event_capa[0] = (IW_EVENT_CAPA_K_0 | 473 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | 474 IW_EVENT_CAPA_MASK(SIOCGIWAP)); 475 range->event_capa[1] = IW_EVENT_CAPA_K_1; 476 range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVCUSTOM); 477 478 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | 479 IW_ENC_CAPA_CIPHER_TKIP; 480 481 if (islpci_get_state(priv) < PRV_STATE_INIT) 482 return 0; 483 484 /* Request the device for the supported frequencies 485 * not really relevant since some devices will report the 5 GHz band 486 * frequencies even if they don't support them. 487 */ 488 rvalue = 489 mgt_get_request(priv, DOT11_OID_SUPPORTEDFREQUENCIES, 0, NULL, &r); 490 freq = r.ptr; 491 492 range->num_channels = freq->nr; 493 range->num_frequency = freq->nr; 494 495 m = min(IW_MAX_FREQUENCIES, (int) freq->nr); 496 for (i = 0; i < m; i++) { 497 range->freq[i].m = freq->mhz[i]; 498 range->freq[i].e = 6; 499 range->freq[i].i = channel_of_freq(freq->mhz[i]); 500 } 501 kfree(freq); 502 503 rvalue |= mgt_get_request(priv, DOT11_OID_SUPPORTEDRATES, 0, NULL, &r); 504 data = r.ptr; 505 506 /* We got an array of char. It is NULL terminated. */ 507 i = 0; 508 while ((i < IW_MAX_BITRATES) && (*data != 0)) { 509 /* the result must be in bps. The card gives us 500Kbps */ 510 range->bitrate[i] = *data * 500000; 511 i++; 512 data++; 513 } 514 range->num_bitrates = i; 515 kfree(r.ptr); 516 517 return rvalue; 518} 519 520/* Set AP address*/ 521 522static int 523prism54_set_wap(struct net_device *ndev, struct iw_request_info *info, 524 struct sockaddr *awrq, char *extra) 525{ 526 islpci_private *priv = netdev_priv(ndev); 527 char bssid[6]; 528 int rvalue; 529 530 if (awrq->sa_family != ARPHRD_ETHER) 531 return -EINVAL; 532 533 /* prepare the structure for the set object */ 534 memcpy(&bssid[0], awrq->sa_data, 6); 535 536 /* set the bssid -- does this make sense when in AP mode? */ 537 rvalue = mgt_set_request(priv, DOT11_OID_BSSID, 0, &bssid); 538 539 return (rvalue ? rvalue : -EINPROGRESS); /* Call commit handler */ 540} 541 542/* get AP address*/ 543 544static int 545prism54_get_wap(struct net_device *ndev, struct iw_request_info *info, 546 struct sockaddr *awrq, char *extra) 547{ 548 islpci_private *priv = netdev_priv(ndev); 549 union oid_res_t r; 550 int rvalue; 551 552 rvalue = mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r); 553 memcpy(awrq->sa_data, r.ptr, 6); 554 awrq->sa_family = ARPHRD_ETHER; 555 kfree(r.ptr); 556 557 return rvalue; 558} 559 560static int 561prism54_set_scan(struct net_device *dev, struct iw_request_info *info, 562 struct iw_param *vwrq, char *extra) 563{ 564 /* hehe the device does this automagicaly */ 565 return 0; 566} 567 568/* a little helper that will translate our data into a card independent 569 * format that the Wireless Tools will understand. This was inspired by 570 * the "Aironet driver for 4500 and 4800 series cards" (GPL) 571 */ 572 573static char * 574prism54_translate_bss(struct net_device *ndev, struct iw_request_info *info, 575 char *current_ev, char *end_buf, struct obj_bss *bss, 576 char noise) 577{ 578 struct iw_event iwe; /* Temporary buffer */ 579 short cap; 580 islpci_private *priv = netdev_priv(ndev); 581 u8 wpa_ie[MAX_WPA_IE_LEN]; 582 size_t wpa_ie_len; 583 584 /* The first entry must be the MAC address */ 585 memcpy(iwe.u.ap_addr.sa_data, bss->address, 6); 586 iwe.u.ap_addr.sa_family = ARPHRD_ETHER; 587 iwe.cmd = SIOCGIWAP; 588 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 589 &iwe, IW_EV_ADDR_LEN); 590 591 /* The following entries will be displayed in the same order we give them */ 592 593 /* The ESSID. */ 594 iwe.u.data.length = bss->ssid.length; 595 iwe.u.data.flags = 1; 596 iwe.cmd = SIOCGIWESSID; 597 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 598 &iwe, bss->ssid.octets); 599 600 /* Capabilities */ 601#define CAP_ESS 0x01 602#define CAP_IBSS 0x02 603#define CAP_CRYPT 0x10 604 605 /* Mode */ 606 cap = bss->capinfo; 607 iwe.u.mode = 0; 608 if (cap & CAP_ESS) 609 iwe.u.mode = IW_MODE_MASTER; 610 else if (cap & CAP_IBSS) 611 iwe.u.mode = IW_MODE_ADHOC; 612 iwe.cmd = SIOCGIWMODE; 613 if (iwe.u.mode) 614 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 615 &iwe, IW_EV_UINT_LEN); 616 617 /* Encryption capability */ 618 if (cap & CAP_CRYPT) 619 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; 620 else 621 iwe.u.data.flags = IW_ENCODE_DISABLED; 622 iwe.u.data.length = 0; 623 iwe.cmd = SIOCGIWENCODE; 624 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 625 &iwe, NULL); 626 627 /* Add frequency. (short) bss->channel is the frequency in MHz */ 628 iwe.u.freq.m = bss->channel; 629 iwe.u.freq.e = 6; 630 iwe.cmd = SIOCGIWFREQ; 631 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 632 &iwe, IW_EV_FREQ_LEN); 633 634 /* Add quality statistics */ 635 iwe.u.qual.level = bss->rssi; 636 iwe.u.qual.noise = noise; 637 /* do a simple SNR for quality */ 638 iwe.u.qual.qual = bss->rssi - noise; 639 iwe.cmd = IWEVQUAL; 640 current_ev = iwe_stream_add_event(info, current_ev, end_buf, 641 &iwe, IW_EV_QUAL_LEN); 642 643 /* Add WPA/RSN Information Element, if any */ 644 wpa_ie_len = prism54_wpa_bss_ie_get(priv, bss->address, wpa_ie); 645 if (wpa_ie_len > 0) { 646 iwe.cmd = IWEVGENIE; 647 iwe.u.data.length = min(wpa_ie_len, (size_t)MAX_WPA_IE_LEN); 648 current_ev = iwe_stream_add_point(info, current_ev, end_buf, 649 &iwe, wpa_ie); 650 } 651 /* Do the bitrates */ 652 { 653 char *current_val = current_ev + iwe_stream_lcp_len(info); 654 int i; 655 int mask; 656 657 iwe.cmd = SIOCGIWRATE; 658 /* Those two flags are ignored... */ 659 iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; 660 661 /* Parse the bitmask */ 662 mask = 0x1; 663 for(i = 0; i < sizeof(scan_rate_list); i++) { 664 if(bss->rates & mask) { 665 iwe.u.bitrate.value = (scan_rate_list[i] * 500000); 666 current_val = iwe_stream_add_value( 667 info, current_ev, current_val, 668 end_buf, &iwe, IW_EV_PARAM_LEN); 669 } 670 mask <<= 1; 671 } 672 /* Check if we added any event */ 673 if ((current_val - current_ev) > iwe_stream_lcp_len(info)) 674 current_ev = current_val; 675 } 676 677 return current_ev; 678} 679 680static int 681prism54_get_scan(struct net_device *ndev, struct iw_request_info *info, 682 struct iw_point *dwrq, char *extra) 683{ 684 islpci_private *priv = netdev_priv(ndev); 685 int i, rvalue; 686 struct obj_bsslist *bsslist; 687 u32 noise = 0; 688 char *current_ev = extra; 689 union oid_res_t r; 690 691 if (islpci_get_state(priv) < PRV_STATE_INIT) { 692 /* device is not ready, fail gently */ 693 dwrq->length = 0; 694 return 0; 695 } 696 697 /* first get the noise value. We will use it to report the link quality */ 698 rvalue = mgt_get_request(priv, DOT11_OID_NOISEFLOOR, 0, NULL, &r); 699 noise = r.u; 700 701 /* Ask the device for a list of known bss. 702 * The old API, using SIOCGIWAPLIST, had a hard limit of IW_MAX_AP=64. 703 * The new API, using SIOCGIWSCAN, is only limited by the buffer size. 704 * WE-14->WE-16, the buffer is limited to IW_SCAN_MAX_DATA bytes. 705 * Starting with WE-17, the buffer can be as big as needed. 706 * But the device won't repport anything if you change the value 707 * of IWMAX_BSS=24. */ 708 709 rvalue |= mgt_get_request(priv, DOT11_OID_BSSLIST, 0, NULL, &r); 710 bsslist = r.ptr; 711 712 /* ok now, scan the list and translate its info */ 713 for (i = 0; i < (int) bsslist->nr; i++) { 714 current_ev = prism54_translate_bss(ndev, info, current_ev, 715 extra + dwrq->length, 716 &(bsslist->bsslist[i]), 717 noise); 718 719 /* Check if there is space for one more entry */ 720 if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) { 721 /* Ask user space to try again with a bigger buffer */ 722 rvalue = -E2BIG; 723 break; 724 } 725 } 726 727 kfree(bsslist); 728 dwrq->length = (current_ev - extra); 729 dwrq->flags = 0; /* todo */ 730 731 return rvalue; 732} 733 734static int 735prism54_set_essid(struct net_device *ndev, struct iw_request_info *info, 736 struct iw_point *dwrq, char *extra) 737{ 738 islpci_private *priv = netdev_priv(ndev); 739 struct obj_ssid essid; 740 741 memset(essid.octets, 0, 33); 742 743 /* Check if we were asked for `any' */ 744 if (dwrq->flags && dwrq->length) { 745 if (dwrq->length > 32) 746 return -E2BIG; 747 essid.length = dwrq->length; 748 memcpy(essid.octets, extra, dwrq->length); 749 } else 750 essid.length = 0; 751 752 if (priv->iw_mode != IW_MODE_MONITOR) 753 return mgt_set_request(priv, DOT11_OID_SSID, 0, &essid); 754 755 /* If in monitor mode, just save to mib */ 756 mgt_set(priv, DOT11_OID_SSID, &essid); 757 return 0; 758 759} 760 761static int 762prism54_get_essid(struct net_device *ndev, struct iw_request_info *info, 763 struct iw_point *dwrq, char *extra) 764{ 765 islpci_private *priv = netdev_priv(ndev); 766 struct obj_ssid *essid; 767 union oid_res_t r; 768 int rvalue; 769 770 rvalue = mgt_get_request(priv, DOT11_OID_SSID, 0, NULL, &r); 771 essid = r.ptr; 772 773 if (essid->length) { 774 dwrq->flags = 1; /* set ESSID to ON for Wireless Extensions */ 775 /* if it is too big, trunk it */ 776 dwrq->length = min((u8)IW_ESSID_MAX_SIZE, essid->length); 777 } else { 778 dwrq->flags = 0; 779 dwrq->length = 0; 780 } 781 essid->octets[dwrq->length] = '\0'; 782 memcpy(extra, essid->octets, dwrq->length); 783 kfree(essid); 784 785 return rvalue; 786} 787 788/* Provides no functionality, just completes the ioctl. In essence this is a 789 * just a cosmetic ioctl. 790 */ 791static int 792prism54_set_nick(struct net_device *ndev, struct iw_request_info *info, 793 struct iw_point *dwrq, char *extra) 794{ 795 islpci_private *priv = netdev_priv(ndev); 796 797 if (dwrq->length > IW_ESSID_MAX_SIZE) 798 return -E2BIG; 799 800 down_write(&priv->mib_sem); 801 memset(priv->nickname, 0, sizeof (priv->nickname)); 802 memcpy(priv->nickname, extra, dwrq->length); 803 up_write(&priv->mib_sem); 804 805 return 0; 806} 807 808static int 809prism54_get_nick(struct net_device *ndev, struct iw_request_info *info, 810 struct iw_point *dwrq, char *extra) 811{ 812 islpci_private *priv = netdev_priv(ndev); 813 814 dwrq->length = 0; 815 816 down_read(&priv->mib_sem); 817 dwrq->length = strlen(priv->nickname); 818 memcpy(extra, priv->nickname, dwrq->length); 819 up_read(&priv->mib_sem); 820 821 return 0; 822} 823 824/* Set the allowed Bitrates */ 825 826static int 827prism54_set_rate(struct net_device *ndev, 828 struct iw_request_info *info, 829 struct iw_param *vwrq, char *extra) 830{ 831 832 islpci_private *priv = netdev_priv(ndev); 833 u32 rate, profile; 834 char *data; 835 int ret, i; 836 union oid_res_t r; 837 838 if (vwrq->value == -1) { 839 /* auto mode. No limit. */ 840 profile = 1; 841 return mgt_set_request(priv, DOT11_OID_PROFILES, 0, &profile); 842 } 843 844 ret = mgt_get_request(priv, DOT11_OID_SUPPORTEDRATES, 0, NULL, &r); 845 if (ret) { 846 kfree(r.ptr); 847 return ret; 848 } 849 850 rate = (u32) (vwrq->value / 500000); 851 data = r.ptr; 852 i = 0; 853 854 while (data[i]) { 855 if (rate && (data[i] == rate)) { 856 break; 857 } 858 if (vwrq->value == i) { 859 break; 860 } 861 data[i] |= 0x80; 862 i++; 863 } 864 865 if (!data[i]) { 866 kfree(r.ptr); 867 return -EINVAL; 868 } 869 870 data[i] |= 0x80; 871 data[i + 1] = 0; 872 873 /* Now, check if we want a fixed or auto value */ 874 if (vwrq->fixed) { 875 data[0] = data[i]; 876 data[1] = 0; 877 } 878 879/* 880 i = 0; 881 printk("prism54 rate: "); 882 while(data[i]) { 883 printk("%u ", data[i]); 884 i++; 885 } 886 printk("0\n"); 887*/ 888 profile = -1; 889 ret = mgt_set_request(priv, DOT11_OID_PROFILES, 0, &profile); 890 ret |= mgt_set_request(priv, DOT11_OID_EXTENDEDRATES, 0, data); 891 ret |= mgt_set_request(priv, DOT11_OID_RATES, 0, data); 892 893 kfree(r.ptr); 894 895 return ret; 896} 897 898/* Get the current bit rate */ 899static int 900prism54_get_rate(struct net_device *ndev, 901 struct iw_request_info *info, 902 struct iw_param *vwrq, char *extra) 903{ 904 islpci_private *priv = netdev_priv(ndev); 905 int rvalue; 906 char *data; 907 union oid_res_t r; 908 909 /* Get the current bit rate */ 910 if ((rvalue = mgt_get_request(priv, GEN_OID_LINKSTATE, 0, NULL, &r))) 911 return rvalue; 912 vwrq->value = r.u * 500000; 913 914 /* request the device for the enabled rates */ 915 rvalue = mgt_get_request(priv, DOT11_OID_RATES, 0, NULL, &r); 916 if (rvalue) { 917 kfree(r.ptr); 918 return rvalue; 919 } 920 data = r.ptr; 921 vwrq->fixed = (data[0] != 0) && (data[1] == 0); 922 kfree(r.ptr); 923 924 return 0; 925} 926 927static int 928prism54_set_rts(struct net_device *ndev, struct iw_request_info *info, 929 struct iw_param *vwrq, char *extra) 930{ 931 islpci_private *priv = netdev_priv(ndev); 932 933 return mgt_set_request(priv, DOT11_OID_RTSTHRESH, 0, &vwrq->value); 934} 935 936static int 937prism54_get_rts(struct net_device *ndev, struct iw_request_info *info, 938 struct iw_param *vwrq, char *extra) 939{ 940 islpci_private *priv = netdev_priv(ndev); 941 union oid_res_t r; 942 int rvalue; 943 944 /* get the rts threshold */ 945 rvalue = mgt_get_request(priv, DOT11_OID_RTSTHRESH, 0, NULL, &r); 946 vwrq->value = r.u; 947 948 return rvalue; 949} 950 951static int 952prism54_set_frag(struct net_device *ndev, struct iw_request_info *info, 953 struct iw_param *vwrq, char *extra) 954{ 955 islpci_private *priv = netdev_priv(ndev); 956 957 return mgt_set_request(priv, DOT11_OID_FRAGTHRESH, 0, &vwrq->value); 958} 959 960static int 961prism54_get_frag(struct net_device *ndev, struct iw_request_info *info, 962 struct iw_param *vwrq, char *extra) 963{ 964 islpci_private *priv = netdev_priv(ndev); 965 union oid_res_t r; 966 int rvalue; 967 968 rvalue = mgt_get_request(priv, DOT11_OID_FRAGTHRESH, 0, NULL, &r); 969 vwrq->value = r.u; 970 971 return rvalue; 972} 973 974/* Here we have (min,max) = max retries for (small frames, big frames). Where 975 * big frame <=> bigger than the rts threshold 976 * small frame <=> smaller than the rts threshold 977 * This is not really the behavior expected by the wireless tool but it seems 978 * to be a common behavior in other drivers. 979 */ 980 981static int 982prism54_set_retry(struct net_device *ndev, struct iw_request_info *info, 983 struct iw_param *vwrq, char *extra) 984{ 985 islpci_private *priv = netdev_priv(ndev); 986 u32 slimit = 0, llimit = 0; /* short and long limit */ 987 u32 lifetime = 0; 988 int rvalue = 0; 989 990 if (vwrq->disabled) 991 /* we cannot disable this feature */ 992 return -EINVAL; 993 994 if (vwrq->flags & IW_RETRY_LIMIT) { 995 if (vwrq->flags & IW_RETRY_SHORT) 996 slimit = vwrq->value; 997 else if (vwrq->flags & IW_RETRY_LONG) 998 llimit = vwrq->value; 999 else { 1000 /* we are asked to set both */ 1001 slimit = vwrq->value; 1002 llimit = vwrq->value; 1003 } 1004 } 1005 if (vwrq->flags & IW_RETRY_LIFETIME) 1006 /* Wireless tools use us unit while the device uses 1024 us unit */ 1007 lifetime = vwrq->value / 1024; 1008 1009 /* now set what is requested */ 1010 if (slimit) 1011 rvalue = 1012 mgt_set_request(priv, DOT11_OID_SHORTRETRIES, 0, &slimit); 1013 if (llimit) 1014 rvalue |= 1015 mgt_set_request(priv, DOT11_OID_LONGRETRIES, 0, &llimit); 1016 if (lifetime) 1017 rvalue |= 1018 mgt_set_request(priv, DOT11_OID_MAXTXLIFETIME, 0, 1019 &lifetime); 1020 return rvalue; 1021} 1022 1023static int 1024prism54_get_retry(struct net_device *ndev, struct iw_request_info *info, 1025 struct iw_param *vwrq, char *extra) 1026{ 1027 islpci_private *priv = netdev_priv(ndev); 1028 union oid_res_t r; 1029 int rvalue = 0; 1030 vwrq->disabled = 0; /* It cannot be disabled */ 1031 1032 if ((vwrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { 1033 /* we are asked for the life time */ 1034 rvalue = 1035 mgt_get_request(priv, DOT11_OID_MAXTXLIFETIME, 0, NULL, &r); 1036 vwrq->value = r.u * 1024; 1037 vwrq->flags = IW_RETRY_LIFETIME; 1038 } else if ((vwrq->flags & IW_RETRY_LONG)) { 1039 /* we are asked for the long retry limit */ 1040 rvalue |= 1041 mgt_get_request(priv, DOT11_OID_LONGRETRIES, 0, NULL, &r); 1042 vwrq->value = r.u; 1043 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; 1044 } else { 1045 /* default. get the short retry limit */ 1046 rvalue |= 1047 mgt_get_request(priv, DOT11_OID_SHORTRETRIES, 0, NULL, &r); 1048 vwrq->value = r.u; 1049 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_SHORT; 1050 } 1051 1052 return rvalue; 1053} 1054 1055static int 1056prism54_set_encode(struct net_device *ndev, struct iw_request_info *info, 1057 struct iw_point *dwrq, char *extra) 1058{ 1059 islpci_private *priv = netdev_priv(ndev); 1060 int rvalue = 0, force = 0; 1061 int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0; 1062 union oid_res_t r; 1063 1064 /* with the new API, it's impossible to get a NULL pointer. 1065 * New version of iwconfig set the IW_ENCODE_NOKEY flag 1066 * when no key is given, but older versions don't. */ 1067 1068 if (dwrq->length > 0) { 1069 /* we have a key to set */ 1070 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 1071 int current_index; 1072 struct obj_key key = { DOT11_PRIV_WEP, 0, "" }; 1073 1074 /* get the current key index */ 1075 rvalue = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r); 1076 current_index = r.u; 1077 /* Verify that the key is not marked as invalid */ 1078 if (!(dwrq->flags & IW_ENCODE_NOKEY)) { 1079 if (dwrq->length > KEY_SIZE_TKIP) { 1080 /* User-provided key data too big */ 1081 return -EINVAL; 1082 } 1083 if (dwrq->length > KEY_SIZE_WEP104) { 1084 /* WPA-PSK TKIP */ 1085 key.type = DOT11_PRIV_TKIP; 1086 key.length = KEY_SIZE_TKIP; 1087 } else if (dwrq->length > KEY_SIZE_WEP40) { 1088 /* WEP 104/128 */ 1089 key.length = KEY_SIZE_WEP104; 1090 } else { 1091 /* WEP 40/64 */ 1092 key.length = KEY_SIZE_WEP40; 1093 } 1094 memset(key.key, 0, sizeof (key.key)); 1095 memcpy(key.key, extra, dwrq->length); 1096 1097 if ((index < 0) || (index > 3)) 1098 /* no index provided use the current one */ 1099 index = current_index; 1100 1101 /* now send the key to the card */ 1102 rvalue |= 1103 mgt_set_request(priv, DOT11_OID_DEFKEYX, index, 1104 &key); 1105 } 1106 /* 1107 * If a valid key is set, encryption should be enabled 1108 * (user may turn it off later). 1109 * This is also how "iwconfig ethX key on" works 1110 */ 1111 if ((index == current_index) && (key.length > 0)) 1112 force = 1; 1113 } else { 1114 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 1115 if ((index >= 0) && (index <= 3)) { 1116 /* we want to set the key index */ 1117 rvalue |= 1118 mgt_set_request(priv, DOT11_OID_DEFKEYID, 0, 1119 &index); 1120 } else { 1121 if (!(dwrq->flags & IW_ENCODE_MODE)) { 1122 /* we cannot do anything. Complain. */ 1123 return -EINVAL; 1124 } 1125 } 1126 } 1127 /* now read the flags */ 1128 if (dwrq->flags & IW_ENCODE_DISABLED) { 1129 /* Encoding disabled, 1130 * authen = DOT11_AUTH_OS; 1131 * invoke = 0; 1132 * exunencrypt = 0; */ 1133 } 1134 if (dwrq->flags & IW_ENCODE_OPEN) 1135 /* Encode but accept non-encoded packets. No auth */ 1136 invoke = 1; 1137 if ((dwrq->flags & IW_ENCODE_RESTRICTED) || force) { 1138 /* Refuse non-encoded packets. Auth */ 1139 authen = DOT11_AUTH_BOTH; 1140 invoke = 1; 1141 exunencrypt = 1; 1142 } 1143 /* do the change if requested */ 1144 if ((dwrq->flags & IW_ENCODE_MODE) || force) { 1145 rvalue |= 1146 mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen); 1147 rvalue |= 1148 mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &invoke); 1149 rvalue |= 1150 mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0, 1151 &exunencrypt); 1152 } 1153 return rvalue; 1154} 1155 1156static int 1157prism54_get_encode(struct net_device *ndev, struct iw_request_info *info, 1158 struct iw_point *dwrq, char *extra) 1159{ 1160 islpci_private *priv = netdev_priv(ndev); 1161 struct obj_key *key; 1162 u32 devindex, index = (dwrq->flags & IW_ENCODE_INDEX) - 1; 1163 u32 authen = 0, invoke = 0, exunencrypt = 0; 1164 int rvalue; 1165 union oid_res_t r; 1166 1167 /* first get the flags */ 1168 rvalue = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r); 1169 authen = r.u; 1170 rvalue |= mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r); 1171 invoke = r.u; 1172 rvalue |= mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r); 1173 exunencrypt = r.u; 1174 1175 if (invoke && (authen == DOT11_AUTH_BOTH) && exunencrypt) 1176 dwrq->flags = IW_ENCODE_RESTRICTED; 1177 else if ((authen == DOT11_AUTH_OS) && !exunencrypt) { 1178 if (invoke) 1179 dwrq->flags = IW_ENCODE_OPEN; 1180 else 1181 dwrq->flags = IW_ENCODE_DISABLED; 1182 } else 1183 /* The card should not work in this state */ 1184 dwrq->flags = 0; 1185 1186 /* get the current device key index */ 1187 rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r); 1188 devindex = r.u; 1189 /* Now get the key, return it */ 1190 if (index == -1 || index > 3) 1191 /* no index provided, use the current one */ 1192 index = devindex; 1193 rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYX, index, NULL, &r); 1194 key = r.ptr; 1195 dwrq->length = key->length; 1196 memcpy(extra, key->key, dwrq->length); 1197 kfree(key); 1198 /* return the used key index */ 1199 dwrq->flags |= devindex + 1; 1200 1201 return rvalue; 1202} 1203 1204static int 1205prism54_get_txpower(struct net_device *ndev, struct iw_request_info *info, 1206 struct iw_param *vwrq, char *extra) 1207{ 1208 islpci_private *priv = netdev_priv(ndev); 1209 union oid_res_t r; 1210 int rvalue; 1211 1212 rvalue = mgt_get_request(priv, OID_INL_OUTPUTPOWER, 0, NULL, &r); 1213 /* intersil firmware operates in 0.25 dBm (1/4 dBm) */ 1214 vwrq->value = (s32) r.u / 4; 1215 vwrq->fixed = 1; 1216 /* radio is not turned of 1217 * btw: how is possible to turn off only the radio 1218 */ 1219 vwrq->disabled = 0; 1220 1221 return rvalue; 1222} 1223 1224static int 1225prism54_set_txpower(struct net_device *ndev, struct iw_request_info *info, 1226 struct iw_param *vwrq, char *extra) 1227{ 1228 islpci_private *priv = netdev_priv(ndev); 1229 s32 u = vwrq->value; 1230 1231 /* intersil firmware operates in 0.25 dBm (1/4) */ 1232 u *= 4; 1233 if (vwrq->disabled) { 1234 /* don't know how to disable radio */ 1235 printk(KERN_DEBUG 1236 "%s: %s() disabling radio is not yet supported.\n", 1237 priv->ndev->name, __func__); 1238 return -ENOTSUPP; 1239 } else if (vwrq->fixed) 1240 /* currently only fixed value is supported */ 1241 return mgt_set_request(priv, OID_INL_OUTPUTPOWER, 0, &u); 1242 else { 1243 printk(KERN_DEBUG 1244 "%s: %s() auto power will be implemented later.\n", 1245 priv->ndev->name, __func__); 1246 return -ENOTSUPP; 1247 } 1248} 1249 1250static int prism54_set_genie(struct net_device *ndev, 1251 struct iw_request_info *info, 1252 struct iw_point *data, char *extra) 1253{ 1254 islpci_private *priv = netdev_priv(ndev); 1255 int alen, ret = 0; 1256 struct obj_attachment *attach; 1257 1258 if (data->length > MAX_WPA_IE_LEN || 1259 (data->length && extra == NULL)) 1260 return -EINVAL; 1261 1262 memcpy(priv->wpa_ie, extra, data->length); 1263 priv->wpa_ie_len = data->length; 1264 1265 alen = sizeof(*attach) + priv->wpa_ie_len; 1266 attach = kzalloc(alen, GFP_KERNEL); 1267 if (attach == NULL) 1268 return -ENOMEM; 1269 1270#define WLAN_FC_TYPE_MGMT 0 1271#define WLAN_FC_STYPE_ASSOC_REQ 0 1272#define WLAN_FC_STYPE_REASSOC_REQ 2 1273 1274 /* Note: endianness is covered by mgt_set_varlen */ 1275 attach->type = (WLAN_FC_TYPE_MGMT << 2) | 1276 (WLAN_FC_STYPE_ASSOC_REQ << 4); 1277 attach->id = -1; 1278 attach->size = priv->wpa_ie_len; 1279 memcpy(attach->data, extra, priv->wpa_ie_len); 1280 1281 ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, 1282 priv->wpa_ie_len); 1283 if (ret == 0) { 1284 attach->type = (WLAN_FC_TYPE_MGMT << 2) | 1285 (WLAN_FC_STYPE_REASSOC_REQ << 4); 1286 1287 ret = mgt_set_varlen(priv, DOT11_OID_ATTACHMENT, attach, 1288 priv->wpa_ie_len); 1289 if (ret == 0) 1290 printk(KERN_DEBUG "%s: WPA IE Attachment was set\n", 1291 ndev->name); 1292 } 1293 1294 kfree(attach); 1295 return ret; 1296} 1297 1298 1299static int prism54_get_genie(struct net_device *ndev, 1300 struct iw_request_info *info, 1301 struct iw_point *data, char *extra) 1302{ 1303 islpci_private *priv = netdev_priv(ndev); 1304 int len = priv->wpa_ie_len; 1305 1306 if (len <= 0) { 1307 data->length = 0; 1308 return 0; 1309 } 1310 1311 if (data->length < len) 1312 return -E2BIG; 1313 1314 data->length = len; 1315 memcpy(extra, priv->wpa_ie, len); 1316 1317 return 0; 1318} 1319 1320static int prism54_set_auth(struct net_device *ndev, 1321 struct iw_request_info *info, 1322 union iwreq_data *wrqu, char *extra) 1323{ 1324 islpci_private *priv = netdev_priv(ndev); 1325 struct iw_param *param = &wrqu->param; 1326 u32 mlmelevel = 0, authen = 0, dot1x = 0; 1327 u32 exunencrypt = 0, privinvoked = 0, wpa = 0; 1328 u32 old_wpa; 1329 int ret = 0; 1330 union oid_res_t r; 1331 1332 if (islpci_get_state(priv) < PRV_STATE_INIT) 1333 return 0; 1334 1335 /* first get the flags */ 1336 down_write(&priv->mib_sem); 1337 wpa = old_wpa = priv->wpa; 1338 up_write(&priv->mib_sem); 1339 ret = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r); 1340 authen = r.u; 1341 ret = mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r); 1342 privinvoked = r.u; 1343 ret = mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r); 1344 exunencrypt = r.u; 1345 ret = mgt_get_request(priv, DOT11_OID_DOT1XENABLE, 0, NULL, &r); 1346 dot1x = r.u; 1347 ret = mgt_get_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, NULL, &r); 1348 mlmelevel = r.u; 1349 1350 if (ret < 0) 1351 goto out; 1352 1353 switch (param->flags & IW_AUTH_INDEX) { 1354 case IW_AUTH_CIPHER_PAIRWISE: 1355 case IW_AUTH_CIPHER_GROUP: 1356 case IW_AUTH_KEY_MGMT: 1357 break; 1358 1359 case IW_AUTH_WPA_ENABLED: 1360 /* Do the same thing as IW_AUTH_WPA_VERSION */ 1361 if (param->value) { 1362 wpa = 1; 1363 privinvoked = 1; /* For privacy invoked */ 1364 exunencrypt = 1; /* Filter out all unencrypted frames */ 1365 dot1x = 0x01; /* To enable eap filter */ 1366 mlmelevel = DOT11_MLME_EXTENDED; 1367 authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */ 1368 } else { 1369 wpa = 0; 1370 privinvoked = 0; 1371 exunencrypt = 0; /* Do not filter un-encrypted data */ 1372 dot1x = 0; 1373 mlmelevel = DOT11_MLME_AUTO; 1374 } 1375 break; 1376 1377 case IW_AUTH_WPA_VERSION: 1378 if (param->value & IW_AUTH_WPA_VERSION_DISABLED) { 1379 wpa = 0; 1380 privinvoked = 0; 1381 exunencrypt = 0; /* Do not filter un-encrypted data */ 1382 dot1x = 0; 1383 mlmelevel = DOT11_MLME_AUTO; 1384 } else { 1385 if (param->value & IW_AUTH_WPA_VERSION_WPA) 1386 wpa = 1; 1387 else if (param->value & IW_AUTH_WPA_VERSION_WPA2) 1388 wpa = 2; 1389 privinvoked = 1; /* For privacy invoked */ 1390 exunencrypt = 1; /* Filter out all unencrypted frames */ 1391 dot1x = 0x01; /* To enable eap filter */ 1392 mlmelevel = DOT11_MLME_EXTENDED; 1393 authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */ 1394 } 1395 break; 1396 1397 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 1398 /* dot1x should be the opposite of RX_UNENCRYPTED_EAPOL; 1399 * turn off dot1x when allowing receipt of unencrypted EAPOL 1400 * frames, turn on dot1x when receipt should be disallowed 1401 */ 1402 dot1x = param->value ? 0 : 0x01; 1403 break; 1404 1405 case IW_AUTH_PRIVACY_INVOKED: 1406 privinvoked = param->value ? 1 : 0; 1407 break; 1408 1409 case IW_AUTH_DROP_UNENCRYPTED: 1410 exunencrypt = param->value ? 1 : 0; 1411 break; 1412 1413 case IW_AUTH_80211_AUTH_ALG: 1414 if (param->value & IW_AUTH_ALG_SHARED_KEY) { 1415 /* Only WEP uses _SK and _BOTH */ 1416 if (wpa > 0) { 1417 ret = -EINVAL; 1418 goto out; 1419 } 1420 authen = DOT11_AUTH_SK; 1421 } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { 1422 authen = DOT11_AUTH_OS; 1423 } else { 1424 ret = -EINVAL; 1425 goto out; 1426 } 1427 break; 1428 1429 default: 1430 return -EOPNOTSUPP; 1431 } 1432 1433 /* Set all the values */ 1434 down_write(&priv->mib_sem); 1435 priv->wpa = wpa; 1436 up_write(&priv->mib_sem); 1437 mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen); 1438 mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &privinvoked); 1439 mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0, &exunencrypt); 1440 mgt_set_request(priv, DOT11_OID_DOT1XENABLE, 0, &dot1x); 1441 mgt_set_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, &mlmelevel); 1442 1443out: 1444 return ret; 1445} 1446 1447static int prism54_get_auth(struct net_device *ndev, 1448 struct iw_request_info *info, 1449 union iwreq_data *wrqu, char *extra) 1450{ 1451 islpci_private *priv = netdev_priv(ndev); 1452 struct iw_param *param = &wrqu->param; 1453 u32 wpa = 0; 1454 int ret = 0; 1455 union oid_res_t r; 1456 1457 if (islpci_get_state(priv) < PRV_STATE_INIT) 1458 return 0; 1459 1460 /* first get the flags */ 1461 down_write(&priv->mib_sem); 1462 wpa = priv->wpa; 1463 up_write(&priv->mib_sem); 1464 1465 switch (param->flags & IW_AUTH_INDEX) { 1466 case IW_AUTH_CIPHER_PAIRWISE: 1467 case IW_AUTH_CIPHER_GROUP: 1468 case IW_AUTH_KEY_MGMT: 1469 /* 1470 * wpa_supplicant will control these internally 1471 */ 1472 ret = -EOPNOTSUPP; 1473 break; 1474 1475 case IW_AUTH_WPA_VERSION: 1476 switch (wpa) { 1477 case 1: 1478 param->value = IW_AUTH_WPA_VERSION_WPA; 1479 break; 1480 case 2: 1481 param->value = IW_AUTH_WPA_VERSION_WPA2; 1482 break; 1483 case 0: 1484 default: 1485 param->value = IW_AUTH_WPA_VERSION_DISABLED; 1486 break; 1487 } 1488 break; 1489 1490 case IW_AUTH_DROP_UNENCRYPTED: 1491 ret = mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r); 1492 if (ret >= 0) 1493 param->value = r.u > 0 ? 1 : 0; 1494 break; 1495 1496 case IW_AUTH_80211_AUTH_ALG: 1497 ret = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r); 1498 if (ret >= 0) { 1499 switch (r.u) { 1500 case DOT11_AUTH_OS: 1501 param->value = IW_AUTH_ALG_OPEN_SYSTEM; 1502 break; 1503 case DOT11_AUTH_BOTH: 1504 case DOT11_AUTH_SK: 1505 param->value = IW_AUTH_ALG_SHARED_KEY; 1506 case DOT11_AUTH_NONE: 1507 default: 1508 param->value = 0; 1509 break; 1510 } 1511 } 1512 break; 1513 1514 case IW_AUTH_WPA_ENABLED: 1515 param->value = wpa > 0 ? 1 : 0; 1516 break; 1517 1518 case IW_AUTH_RX_UNENCRYPTED_EAPOL: 1519 ret = mgt_get_request(priv, DOT11_OID_DOT1XENABLE, 0, NULL, &r); 1520 if (ret >= 0) 1521 param->value = r.u > 0 ? 1 : 0; 1522 break; 1523 1524 case IW_AUTH_PRIVACY_INVOKED: 1525 ret = mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r); 1526 if (ret >= 0) 1527 param->value = r.u > 0 ? 1 : 0; 1528 break; 1529 1530 default: 1531 return -EOPNOTSUPP; 1532 } 1533 return ret; 1534} 1535 1536static int prism54_set_encodeext(struct net_device *ndev, 1537 struct iw_request_info *info, 1538 union iwreq_data *wrqu, 1539 char *extra) 1540{ 1541 islpci_private *priv = netdev_priv(ndev); 1542 struct iw_point *encoding = &wrqu->encoding; 1543 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 1544 int idx, alg = ext->alg, set_key = 1; 1545 union oid_res_t r; 1546 int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0; 1547 int ret = 0; 1548 1549 if (islpci_get_state(priv) < PRV_STATE_INIT) 1550 return 0; 1551 1552 /* Determine and validate the key index */ 1553 idx = (encoding->flags & IW_ENCODE_INDEX) - 1; 1554 if (idx) { 1555 if (idx < 0 || idx > 3) 1556 return -EINVAL; 1557 } else { 1558 ret = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r); 1559 if (ret < 0) 1560 goto out; 1561 idx = r.u; 1562 } 1563 1564 if (encoding->flags & IW_ENCODE_DISABLED) 1565 alg = IW_ENCODE_ALG_NONE; 1566 1567 if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { 1568 /* Only set transmit key index here, actual 1569 * key is set below if needed. 1570 */ 1571 ret = mgt_set_request(priv, DOT11_OID_DEFKEYID, 0, &idx); 1572 set_key = ext->key_len > 0 ? 1 : 0; 1573 } 1574 1575 if (set_key) { 1576 struct obj_key key = { DOT11_PRIV_WEP, 0, "" }; 1577 switch (alg) { 1578 case IW_ENCODE_ALG_NONE: 1579 break; 1580 case IW_ENCODE_ALG_WEP: 1581 if (ext->key_len > KEY_SIZE_WEP104) { 1582 ret = -EINVAL; 1583 goto out; 1584 } 1585 if (ext->key_len > KEY_SIZE_WEP40) 1586 key.length = KEY_SIZE_WEP104; 1587 else 1588 key.length = KEY_SIZE_WEP40; 1589 break; 1590 case IW_ENCODE_ALG_TKIP: 1591 if (ext->key_len > KEY_SIZE_TKIP) { 1592 ret = -EINVAL; 1593 goto out; 1594 } 1595 key.type = DOT11_PRIV_TKIP; 1596 key.length = KEY_SIZE_TKIP; 1597 break; 1598 default: 1599 return -EINVAL; 1600 } 1601 1602 if (key.length) { 1603 memset(key.key, 0, sizeof(key.key)); 1604 memcpy(key.key, ext->key, ext->key_len); 1605 ret = mgt_set_request(priv, DOT11_OID_DEFKEYX, idx, 1606 &key); 1607 if (ret < 0) 1608 goto out; 1609 } 1610 } 1611 1612 /* Read the flags */ 1613 if (encoding->flags & IW_ENCODE_DISABLED) { 1614 /* Encoding disabled, 1615 * authen = DOT11_AUTH_OS; 1616 * invoke = 0; 1617 * exunencrypt = 0; */ 1618 } 1619 if (encoding->flags & IW_ENCODE_OPEN) { 1620 /* Encode but accept non-encoded packets. No auth */ 1621 invoke = 1; 1622 } 1623 if (encoding->flags & IW_ENCODE_RESTRICTED) { 1624 /* Refuse non-encoded packets. Auth */ 1625 authen = DOT11_AUTH_BOTH; 1626 invoke = 1; 1627 exunencrypt = 1; 1628 } 1629 1630 /* do the change if requested */ 1631 if (encoding->flags & IW_ENCODE_MODE) { 1632 ret = mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, 1633 &authen); 1634 ret = mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, 1635 &invoke); 1636 ret = mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0, 1637 &exunencrypt); 1638 } 1639 1640out: 1641 return ret; 1642} 1643 1644 1645static int prism54_get_encodeext(struct net_device *ndev, 1646 struct iw_request_info *info, 1647 union iwreq_data *wrqu, 1648 char *extra) 1649{ 1650 islpci_private *priv = netdev_priv(ndev); 1651 struct iw_point *encoding = &wrqu->encoding; 1652 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 1653 int idx, max_key_len; 1654 union oid_res_t r; 1655 int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0, wpa = 0; 1656 int ret = 0; 1657 1658 if (islpci_get_state(priv) < PRV_STATE_INIT) 1659 return 0; 1660 1661 /* first get the flags */ 1662 ret = mgt_get_request(priv, DOT11_OID_AUTHENABLE, 0, NULL, &r); 1663 authen = r.u; 1664 ret = mgt_get_request(priv, DOT11_OID_PRIVACYINVOKED, 0, NULL, &r); 1665 invoke = r.u; 1666 ret = mgt_get_request(priv, DOT11_OID_EXUNENCRYPTED, 0, NULL, &r); 1667 exunencrypt = r.u; 1668 if (ret < 0) 1669 goto out; 1670 1671 max_key_len = encoding->length - sizeof(*ext); 1672 if (max_key_len < 0) 1673 return -EINVAL; 1674 1675 idx = (encoding->flags & IW_ENCODE_INDEX) - 1; 1676 if (idx) { 1677 if (idx < 0 || idx > 3) 1678 return -EINVAL; 1679 } else { 1680 ret = mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r); 1681 if (ret < 0) 1682 goto out; 1683 idx = r.u; 1684 } 1685 1686 encoding->flags = idx + 1; 1687 memset(ext, 0, sizeof(*ext)); 1688 1689 switch (authen) { 1690 case DOT11_AUTH_BOTH: 1691 case DOT11_AUTH_SK: 1692 wrqu->encoding.flags |= IW_ENCODE_RESTRICTED; 1693 case DOT11_AUTH_OS: 1694 default: 1695 wrqu->encoding.flags |= IW_ENCODE_OPEN; 1696 break; 1697 } 1698 1699 down_write(&priv->mib_sem); 1700 wpa = priv->wpa; 1701 up_write(&priv->mib_sem); 1702 1703 if (authen == DOT11_AUTH_OS && !exunencrypt && !invoke && !wpa) { 1704 /* No encryption */ 1705 ext->alg = IW_ENCODE_ALG_NONE; 1706 ext->key_len = 0; 1707 wrqu->encoding.flags |= IW_ENCODE_DISABLED; 1708 } else { 1709 struct obj_key *key; 1710 1711 ret = mgt_get_request(priv, DOT11_OID_DEFKEYX, idx, NULL, &r); 1712 if (ret < 0) 1713 goto out; 1714 key = r.ptr; 1715 if (max_key_len < key->length) { 1716 ret = -E2BIG; 1717 goto out; 1718 } 1719 memcpy(ext->key, key->key, key->length); 1720 ext->key_len = key->length; 1721 1722 switch (key->type) { 1723 case DOT11_PRIV_TKIP: 1724 ext->alg = IW_ENCODE_ALG_TKIP; 1725 break; 1726 default: 1727 case DOT11_PRIV_WEP: 1728 ext->alg = IW_ENCODE_ALG_WEP; 1729 break; 1730 } 1731 wrqu->encoding.flags |= IW_ENCODE_ENABLED; 1732 } 1733 1734out: 1735 return ret; 1736} 1737 1738 1739static int 1740prism54_reset(struct net_device *ndev, struct iw_request_info *info, 1741 __u32 * uwrq, char *extra) 1742{ 1743 islpci_reset(netdev_priv(ndev), 0); 1744 1745 return 0; 1746} 1747 1748static int 1749prism54_get_oid(struct net_device *ndev, struct iw_request_info *info, 1750 struct iw_point *dwrq, char *extra) 1751{ 1752 union oid_res_t r; 1753 int rvalue; 1754 enum oid_num_t n = dwrq->flags; 1755 1756 rvalue = mgt_get_request(netdev_priv(ndev), n, 0, NULL, &r); 1757 dwrq->length = mgt_response_to_str(n, &r, extra); 1758 if ((isl_oid[n].flags & OID_FLAG_TYPE) != OID_TYPE_U32) 1759 kfree(r.ptr); 1760 return rvalue; 1761} 1762 1763static int 1764prism54_set_u32(struct net_device *ndev, struct iw_request_info *info, 1765 __u32 * uwrq, char *extra) 1766{ 1767 u32 oid = uwrq[0], u = uwrq[1]; 1768 1769 return mgt_set_request(netdev_priv(ndev), oid, 0, &u); 1770} 1771 1772static int 1773prism54_set_raw(struct net_device *ndev, struct iw_request_info *info, 1774 struct iw_point *dwrq, char *extra) 1775{ 1776 u32 oid = dwrq->flags; 1777 1778 return mgt_set_request(netdev_priv(ndev), oid, 0, extra); 1779} 1780 1781void 1782prism54_acl_init(struct islpci_acl *acl) 1783{ 1784 mutex_init(&acl->lock); 1785 INIT_LIST_HEAD(&acl->mac_list); 1786 acl->size = 0; 1787 acl->policy = MAC_POLICY_OPEN; 1788} 1789 1790static void 1791prism54_clear_mac(struct islpci_acl *acl) 1792{ 1793 struct list_head *ptr, *next; 1794 struct mac_entry *entry; 1795 1796 mutex_lock(&acl->lock); 1797 1798 if (acl->size == 0) { 1799 mutex_unlock(&acl->lock); 1800 return; 1801 } 1802 1803 for (ptr = acl->mac_list.next, next = ptr->next; 1804 ptr != &acl->mac_list; ptr = next, next = ptr->next) { 1805 entry = list_entry(ptr, struct mac_entry, _list); 1806 list_del(ptr); 1807 kfree(entry); 1808 } 1809 acl->size = 0; 1810 mutex_unlock(&acl->lock); 1811} 1812 1813void 1814prism54_acl_clean(struct islpci_acl *acl) 1815{ 1816 prism54_clear_mac(acl); 1817} 1818 1819static int 1820prism54_add_mac(struct net_device *ndev, struct iw_request_info *info, 1821 struct sockaddr *awrq, char *extra) 1822{ 1823 islpci_private *priv = netdev_priv(ndev); 1824 struct islpci_acl *acl = &priv->acl; 1825 struct mac_entry *entry; 1826 struct sockaddr *addr = (struct sockaddr *) extra; 1827 1828 if (addr->sa_family != ARPHRD_ETHER) 1829 return -EOPNOTSUPP; 1830 1831 entry = kmalloc(sizeof (struct mac_entry), GFP_KERNEL); 1832 if (entry == NULL) 1833 return -ENOMEM; 1834 1835 memcpy(entry->addr, addr->sa_data, ETH_ALEN); 1836 1837 if (mutex_lock_interruptible(&acl->lock)) { 1838 kfree(entry); 1839 return -ERESTARTSYS; 1840 } 1841 list_add_tail(&entry->_list, &acl->mac_list); 1842 acl->size++; 1843 mutex_unlock(&acl->lock); 1844 1845 return 0; 1846} 1847 1848static int 1849prism54_del_mac(struct net_device *ndev, struct iw_request_info *info, 1850 struct sockaddr *awrq, char *extra) 1851{ 1852 islpci_private *priv = netdev_priv(ndev); 1853 struct islpci_acl *acl = &priv->acl; 1854 struct mac_entry *entry; 1855 struct sockaddr *addr = (struct sockaddr *) extra; 1856 1857 if (addr->sa_family != ARPHRD_ETHER) 1858 return -EOPNOTSUPP; 1859 1860 if (mutex_lock_interruptible(&acl->lock)) 1861 return -ERESTARTSYS; 1862 list_for_each_entry(entry, &acl->mac_list, _list) { 1863 if (memcmp(entry->addr, addr->sa_data, ETH_ALEN) == 0) { 1864 list_del(&entry->_list); 1865 acl->size--; 1866 kfree(entry); 1867 mutex_unlock(&acl->lock); 1868 return 0; 1869 } 1870 } 1871 mutex_unlock(&acl->lock); 1872 return -EINVAL; 1873} 1874 1875static int 1876prism54_get_mac(struct net_device *ndev, struct iw_request_info *info, 1877 struct iw_point *dwrq, char *extra) 1878{ 1879 islpci_private *priv = netdev_priv(ndev); 1880 struct islpci_acl *acl = &priv->acl; 1881 struct mac_entry *entry; 1882 struct sockaddr *dst = (struct sockaddr *) extra; 1883 1884 dwrq->length = 0; 1885 1886 if (mutex_lock_interruptible(&acl->lock)) 1887 return -ERESTARTSYS; 1888 1889 list_for_each_entry(entry, &acl->mac_list, _list) { 1890 memcpy(dst->sa_data, entry->addr, ETH_ALEN); 1891 dst->sa_family = ARPHRD_ETHER; 1892 dwrq->length++; 1893 dst++; 1894 } 1895 mutex_unlock(&acl->lock); 1896 return 0; 1897} 1898 1899/* Setting policy also clears the MAC acl, even if we don't change the default 1900 * policy 1901 */ 1902 1903static int 1904prism54_set_policy(struct net_device *ndev, struct iw_request_info *info, 1905 __u32 * uwrq, char *extra) 1906{ 1907 islpci_private *priv = netdev_priv(ndev); 1908 struct islpci_acl *acl = &priv->acl; 1909 u32 mlmeautolevel; 1910 1911 prism54_clear_mac(acl); 1912 1913 if ((*uwrq < MAC_POLICY_OPEN) || (*uwrq > MAC_POLICY_REJECT)) 1914 return -EINVAL; 1915 1916 down_write(&priv->mib_sem); 1917 1918 acl->policy = *uwrq; 1919 1920 /* the ACL code needs an intermediate mlmeautolevel */ 1921 if ((priv->iw_mode == IW_MODE_MASTER) && 1922 (acl->policy != MAC_POLICY_OPEN)) 1923 mlmeautolevel = DOT11_MLME_INTERMEDIATE; 1924 else 1925 mlmeautolevel = CARD_DEFAULT_MLME_MODE; 1926 if (priv->wpa) 1927 mlmeautolevel = DOT11_MLME_EXTENDED; 1928 mgt_set(priv, DOT11_OID_MLMEAUTOLEVEL, &mlmeautolevel); 1929 /* restart the card with our new policy */ 1930 if (mgt_commit(priv)) { 1931 up_write(&priv->mib_sem); 1932 return -EIO; 1933 } 1934 up_write(&priv->mib_sem); 1935 1936 return 0; 1937} 1938 1939static int 1940prism54_get_policy(struct net_device *ndev, struct iw_request_info *info, 1941 __u32 * uwrq, char *extra) 1942{ 1943 islpci_private *priv = netdev_priv(ndev); 1944 struct islpci_acl *acl = &priv->acl; 1945 1946 *uwrq = acl->policy; 1947 1948 return 0; 1949} 1950 1951/* Return 1 only if client should be accepted. */ 1952 1953static int 1954prism54_mac_accept(struct islpci_acl *acl, char *mac) 1955{ 1956 struct mac_entry *entry; 1957 int res = 0; 1958 1959 if (mutex_lock_interruptible(&acl->lock)) 1960 return -ERESTARTSYS; 1961 1962 if (acl->policy == MAC_POLICY_OPEN) { 1963 mutex_unlock(&acl->lock); 1964 return 1; 1965 } 1966 1967 list_for_each_entry(entry, &acl->mac_list, _list) { 1968 if (memcmp(entry->addr, mac, ETH_ALEN) == 0) { 1969 res = 1; 1970 break; 1971 } 1972 } 1973 res = (acl->policy == MAC_POLICY_ACCEPT) ? !res : res; 1974 mutex_unlock(&acl->lock); 1975 1976 return res; 1977} 1978 1979static int 1980prism54_kick_all(struct net_device *ndev, struct iw_request_info *info, 1981 struct iw_point *dwrq, char *extra) 1982{ 1983 struct obj_mlme *mlme; 1984 int rvalue; 1985 1986 mlme = kmalloc(sizeof (struct obj_mlme), GFP_KERNEL); 1987 if (mlme == NULL) 1988 return -ENOMEM; 1989 1990 /* Tell the card to kick every client */ 1991 mlme->id = 0; 1992 rvalue = 1993 mgt_set_request(netdev_priv(ndev), DOT11_OID_DISASSOCIATE, 0, mlme); 1994 kfree(mlme); 1995 1996 return rvalue; 1997} 1998 1999static int 2000prism54_kick_mac(struct net_device *ndev, struct iw_request_info *info, 2001 struct sockaddr *awrq, char *extra) 2002{ 2003 struct obj_mlme *mlme; 2004 struct sockaddr *addr = (struct sockaddr *) extra; 2005 int rvalue; 2006 2007 if (addr->sa_family != ARPHRD_ETHER) 2008 return -EOPNOTSUPP; 2009 2010 mlme = kmalloc(sizeof (struct obj_mlme), GFP_KERNEL); 2011 if (mlme == NULL) 2012 return -ENOMEM; 2013 2014 /* Tell the card to only kick the corresponding bastard */ 2015 memcpy(mlme->address, addr->sa_data, ETH_ALEN); 2016 mlme->id = -1; 2017 rvalue = 2018 mgt_set_request(netdev_priv(ndev), DOT11_OID_DISASSOCIATE, 0, mlme); 2019 2020 kfree(mlme); 2021 2022 return rvalue; 2023} 2024 2025/* Translate a TRAP oid into a wireless event. Called in islpci_mgt_receive. */ 2026 2027static void 2028format_event(islpci_private *priv, char *dest, const char *str, 2029 const struct obj_mlme *mlme, u16 *length, int error) 2030{ 2031 int n = snprintf(dest, IW_CUSTOM_MAX, 2032 "%s %s %pM %s (%2.2X)", 2033 str, 2034 ((priv->iw_mode == IW_MODE_MASTER) ? "from" : "to"), 2035 mlme->address, 2036 (error ? (mlme->code ? " : REJECTED " : " : ACCEPTED ") 2037 : ""), mlme->code); 2038 BUG_ON(n > IW_CUSTOM_MAX); 2039 *length = n; 2040} 2041 2042static void 2043send_formatted_event(islpci_private *priv, const char *str, 2044 const struct obj_mlme *mlme, int error) 2045{ 2046 union iwreq_data wrqu; 2047 char *memptr; 2048 2049 memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL); 2050 if (!memptr) 2051 return; 2052 wrqu.data.pointer = memptr; 2053 wrqu.data.length = 0; 2054 format_event(priv, memptr, str, mlme, &wrqu.data.length, 2055 error); 2056 wireless_send_event(priv->ndev, IWEVCUSTOM, &wrqu, memptr); 2057 kfree(memptr); 2058} 2059 2060static void 2061send_simple_event(islpci_private *priv, const char *str) 2062{ 2063 union iwreq_data wrqu; 2064 char *memptr; 2065 int n = strlen(str); 2066 2067 memptr = kmalloc(IW_CUSTOM_MAX, GFP_KERNEL); 2068 if (!memptr) 2069 return; 2070 BUG_ON(n >= IW_CUSTOM_MAX); 2071 wrqu.data.pointer = memptr; 2072 wrqu.data.length = n; 2073 strcpy(memptr, str); 2074 wireless_send_event(priv->ndev, IWEVCUSTOM, &wrqu, memptr); 2075 kfree(memptr); 2076} 2077 2078static void 2079link_changed(struct net_device *ndev, u32 bitrate) 2080{ 2081 islpci_private *priv = netdev_priv(ndev); 2082 2083 if (bitrate) { 2084 netif_carrier_on(ndev); 2085 if (priv->iw_mode == IW_MODE_INFRA) { 2086 union iwreq_data uwrq; 2087 prism54_get_wap(ndev, NULL, (struct sockaddr *) &uwrq, 2088 NULL); 2089 wireless_send_event(ndev, SIOCGIWAP, &uwrq, NULL); 2090 } else 2091 send_simple_event(netdev_priv(ndev), 2092 "Link established"); 2093 } else { 2094 netif_carrier_off(ndev); 2095 send_simple_event(netdev_priv(ndev), "Link lost"); 2096 } 2097} 2098 2099/* Beacon/ProbeResp payload header */ 2100struct ieee80211_beacon_phdr { 2101 u8 timestamp[8]; 2102 u16 beacon_int; 2103 u16 capab_info; 2104} __packed; 2105 2106#define WLAN_EID_GENERIC 0xdd 2107static u8 wpa_oid[4] = { 0x00, 0x50, 0xf2, 1 }; 2108 2109static void 2110prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid, 2111 u8 *wpa_ie, size_t wpa_ie_len) 2112{ 2113 struct list_head *ptr; 2114 struct islpci_bss_wpa_ie *bss = NULL; 2115 2116 if (wpa_ie_len > MAX_WPA_IE_LEN) 2117 wpa_ie_len = MAX_WPA_IE_LEN; 2118 2119 mutex_lock(&priv->wpa_lock); 2120 2121 /* try to use existing entry */ 2122 list_for_each(ptr, &priv->bss_wpa_list) { 2123 bss = list_entry(ptr, struct islpci_bss_wpa_ie, list); 2124 if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) { 2125 list_move(&bss->list, &priv->bss_wpa_list); 2126 break; 2127 } 2128 bss = NULL; 2129 } 2130 2131 if (bss == NULL) { 2132 /* add a new BSS entry; if max number of entries is already 2133 * reached, replace the least recently updated */ 2134 if (priv->num_bss_wpa >= MAX_BSS_WPA_IE_COUNT) { 2135 bss = list_entry(priv->bss_wpa_list.prev, 2136 struct islpci_bss_wpa_ie, list); 2137 list_del(&bss->list); 2138 } else { 2139 bss = kzalloc(sizeof (*bss), GFP_ATOMIC); 2140 if (bss != NULL) 2141 priv->num_bss_wpa++; 2142 } 2143 if (bss != NULL) { 2144 memcpy(bss->bssid, bssid, ETH_ALEN); 2145 list_add(&bss->list, &priv->bss_wpa_list); 2146 } 2147 } 2148 2149 if (bss != NULL) { 2150 memcpy(bss->wpa_ie, wpa_ie, wpa_ie_len); 2151 bss->wpa_ie_len = wpa_ie_len; 2152 bss->last_update = jiffies; 2153 } else { 2154 printk(KERN_DEBUG "Failed to add BSS WPA entry for " 2155 "%pM\n", bssid); 2156 } 2157 2158 /* expire old entries from WPA list */ 2159 while (priv->num_bss_wpa > 0) { 2160 bss = list_entry(priv->bss_wpa_list.prev, 2161 struct islpci_bss_wpa_ie, list); 2162 if (!time_after(jiffies, bss->last_update + 60 * HZ)) 2163 break; 2164 2165 list_del(&bss->list); 2166 priv->num_bss_wpa--; 2167 kfree(bss); 2168 } 2169 2170 mutex_unlock(&priv->wpa_lock); 2171} 2172 2173static size_t 2174prism54_wpa_bss_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie) 2175{ 2176 struct list_head *ptr; 2177 struct islpci_bss_wpa_ie *bss = NULL; 2178 size_t len = 0; 2179 2180 mutex_lock(&priv->wpa_lock); 2181 2182 list_for_each(ptr, &priv->bss_wpa_list) { 2183 bss = list_entry(ptr, struct islpci_bss_wpa_ie, list); 2184 if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) 2185 break; 2186 bss = NULL; 2187 } 2188 if (bss) { 2189 len = bss->wpa_ie_len; 2190 memcpy(wpa_ie, bss->wpa_ie, len); 2191 } 2192 mutex_unlock(&priv->wpa_lock); 2193 2194 return len; 2195} 2196 2197void 2198prism54_wpa_bss_ie_init(islpci_private *priv) 2199{ 2200 INIT_LIST_HEAD(&priv->bss_wpa_list); 2201 mutex_init(&priv->wpa_lock); 2202} 2203 2204void 2205prism54_wpa_bss_ie_clean(islpci_private *priv) 2206{ 2207 struct islpci_bss_wpa_ie *bss, *n; 2208 2209 list_for_each_entry_safe(bss, n, &priv->bss_wpa_list, list) { 2210 kfree(bss); 2211 } 2212} 2213 2214static void 2215prism54_process_bss_data(islpci_private *priv, u32 oid, u8 *addr, 2216 u8 *payload, size_t len) 2217{ 2218 struct ieee80211_beacon_phdr *hdr; 2219 u8 *pos, *end; 2220 2221 if (!priv->wpa) 2222 return; 2223 2224 hdr = (struct ieee80211_beacon_phdr *) payload; 2225 pos = (u8 *) (hdr + 1); 2226 end = payload + len; 2227 while (pos < end) { 2228 if (pos + 2 + pos[1] > end) { 2229 printk(KERN_DEBUG "Parsing Beacon/ProbeResp failed " 2230 "for %pM\n", addr); 2231 return; 2232 } 2233 if (pos[0] == WLAN_EID_GENERIC && pos[1] >= 4 && 2234 memcmp(pos + 2, wpa_oid, 4) == 0) { 2235 prism54_wpa_bss_ie_add(priv, addr, pos, pos[1] + 2); 2236 return; 2237 } 2238 pos += 2 + pos[1]; 2239 } 2240} 2241 2242static void 2243handle_request(islpci_private *priv, struct obj_mlme *mlme, enum oid_num_t oid) 2244{ 2245 if (((mlme->state == DOT11_STATE_AUTHING) || 2246 (mlme->state == DOT11_STATE_ASSOCING)) 2247 && mgt_mlme_answer(priv)) { 2248 /* Someone is requesting auth and we must respond. Just send back 2249 * the trap with error code set accordingly. 2250 */ 2251 mlme->code = prism54_mac_accept(&priv->acl, 2252 mlme->address) ? 0 : 1; 2253 mgt_set_request(priv, oid, 0, mlme); 2254 } 2255} 2256 2257static int 2258prism54_process_trap_helper(islpci_private *priv, enum oid_num_t oid, 2259 char *data) 2260{ 2261 struct obj_mlme *mlme = (struct obj_mlme *) data; 2262 struct obj_mlmeex *mlmeex = (struct obj_mlmeex *) data; 2263 struct obj_mlmeex *confirm; 2264 u8 wpa_ie[MAX_WPA_IE_LEN]; 2265 int wpa_ie_len; 2266 size_t len = 0; /* u16, better? */ 2267 u8 *payload = NULL, *pos = NULL; 2268 int ret; 2269 2270 /* I think all trapable objects are listed here. 2271 * Some oids have a EX version. The difference is that they are emitted 2272 * in DOT11_MLME_EXTENDED mode (set with DOT11_OID_MLMEAUTOLEVEL) 2273 * with more info. 2274 * The few events already defined by the wireless tools are not really 2275 * suited. We use the more flexible custom event facility. 2276 */ 2277 2278 if (oid >= DOT11_OID_BEACON) { 2279 len = mlmeex->size; 2280 payload = pos = mlmeex->data; 2281 } 2282 2283 /* I fear prism54_process_bss_data won't work with big endian data */ 2284 if ((oid == DOT11_OID_BEACON) || (oid == DOT11_OID_PROBE)) 2285 prism54_process_bss_data(priv, oid, mlmeex->address, 2286 payload, len); 2287 2288 mgt_le_to_cpu(isl_oid[oid].flags & OID_FLAG_TYPE, (void *) mlme); 2289 2290 switch (oid) { 2291 2292 case GEN_OID_LINKSTATE: 2293 link_changed(priv->ndev, (u32) *data); 2294 break; 2295 2296 case DOT11_OID_MICFAILURE: 2297 send_simple_event(priv, "Mic failure"); 2298 break; 2299 2300 case DOT11_OID_DEAUTHENTICATE: 2301 send_formatted_event(priv, "DeAuthenticate request", mlme, 0); 2302 break; 2303 2304 case DOT11_OID_AUTHENTICATE: 2305 handle_request(priv, mlme, oid); 2306 send_formatted_event(priv, "Authenticate request", mlme, 1); 2307 break; 2308 2309 case DOT11_OID_DISASSOCIATE: 2310 send_formatted_event(priv, "Disassociate request", mlme, 0); 2311 break; 2312 2313 case DOT11_OID_ASSOCIATE: 2314 handle_request(priv, mlme, oid); 2315 send_formatted_event(priv, "Associate request", mlme, 1); 2316 break; 2317 2318 case DOT11_OID_REASSOCIATE: 2319 handle_request(priv, mlme, oid); 2320 send_formatted_event(priv, "ReAssociate request", mlme, 1); 2321 break; 2322 2323 case DOT11_OID_BEACON: 2324 send_formatted_event(priv, 2325 "Received a beacon from an unknown AP", 2326 mlme, 0); 2327 break; 2328 2329 case DOT11_OID_PROBE: 2330 /* we received a probe from a client. */ 2331 send_formatted_event(priv, "Received a probe from client", mlme, 2332 0); 2333 break; 2334 2335 /* Note : "mlme" is actually a "struct obj_mlmeex *" here, but this 2336 * is backward compatible layout-wise with "struct obj_mlme". 2337 */ 2338 2339 case DOT11_OID_DEAUTHENTICATEEX: 2340 send_formatted_event(priv, "DeAuthenticate request", mlme, 0); 2341 break; 2342 2343 case DOT11_OID_AUTHENTICATEEX: 2344 handle_request(priv, mlme, oid); 2345 send_formatted_event(priv, "Authenticate request (ex)", mlme, 1); 2346 2347 if (priv->iw_mode != IW_MODE_MASTER 2348 && mlmeex->state != DOT11_STATE_AUTHING) 2349 break; 2350 2351 confirm = kmalloc(sizeof(struct obj_mlmeex) + 6, GFP_ATOMIC); 2352 2353 if (!confirm) 2354 break; 2355 2356 memcpy(&confirm->address, mlmeex->address, ETH_ALEN); 2357 printk(KERN_DEBUG "Authenticate from: address:\t%pM\n", 2358 mlmeex->address); 2359 confirm->id = -1; /* or mlmeex->id ? */ 2360 confirm->state = 0; /* not used */ 2361 confirm->code = 0; 2362 confirm->size = 6; 2363 confirm->data[0] = 0x00; 2364 confirm->data[1] = 0x00; 2365 confirm->data[2] = 0x02; 2366 confirm->data[3] = 0x00; 2367 confirm->data[4] = 0x00; 2368 confirm->data[5] = 0x00; 2369 2370 ret = mgt_set_varlen(priv, DOT11_OID_ASSOCIATEEX, confirm, 6); 2371 2372 kfree(confirm); 2373 if (ret) 2374 return ret; 2375 break; 2376 2377 case DOT11_OID_DISASSOCIATEEX: 2378 send_formatted_event(priv, "Disassociate request (ex)", mlme, 0); 2379 break; 2380 2381 case DOT11_OID_ASSOCIATEEX: 2382 handle_request(priv, mlme, oid); 2383 send_formatted_event(priv, "Associate request (ex)", mlme, 1); 2384 2385 if (priv->iw_mode != IW_MODE_MASTER 2386 && mlmeex->state != DOT11_STATE_ASSOCING) 2387 break; 2388 2389 confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC); 2390 2391 if (!confirm) 2392 break; 2393 2394 memcpy(&confirm->address, mlmeex->address, ETH_ALEN); 2395 2396 confirm->id = ((struct obj_mlmeex *)mlme)->id; 2397 confirm->state = 0; /* not used */ 2398 confirm->code = 0; 2399 2400 wpa_ie_len = prism54_wpa_bss_ie_get(priv, mlmeex->address, wpa_ie); 2401 2402 if (!wpa_ie_len) { 2403 printk(KERN_DEBUG "No WPA IE found from address:\t%pM\n", 2404 mlmeex->address); 2405 kfree(confirm); 2406 break; 2407 } 2408 2409 confirm->size = wpa_ie_len; 2410 memcpy(&confirm->data, wpa_ie, wpa_ie_len); 2411 2412 mgt_set_varlen(priv, oid, confirm, wpa_ie_len); 2413 2414 kfree(confirm); 2415 2416 break; 2417 2418 case DOT11_OID_REASSOCIATEEX: 2419 handle_request(priv, mlme, oid); 2420 send_formatted_event(priv, "Reassociate request (ex)", mlme, 1); 2421 2422 if (priv->iw_mode != IW_MODE_MASTER 2423 && mlmeex->state != DOT11_STATE_ASSOCING) 2424 break; 2425 2426 confirm = kmalloc(sizeof(struct obj_mlmeex), GFP_ATOMIC); 2427 2428 if (!confirm) 2429 break; 2430 2431 memcpy(&confirm->address, mlmeex->address, ETH_ALEN); 2432 2433 confirm->id = mlmeex->id; 2434 confirm->state = 0; /* not used */ 2435 confirm->code = 0; 2436 2437 wpa_ie_len = prism54_wpa_bss_ie_get(priv, mlmeex->address, wpa_ie); 2438 2439 if (!wpa_ie_len) { 2440 printk(KERN_DEBUG "No WPA IE found from address:\t%pM\n", 2441 mlmeex->address); 2442 kfree(confirm); 2443 break; 2444 } 2445 2446 confirm->size = wpa_ie_len; 2447 memcpy(&confirm->data, wpa_ie, wpa_ie_len); 2448 2449 mgt_set_varlen(priv, oid, confirm, wpa_ie_len); 2450 2451 kfree(confirm); 2452 2453 break; 2454 2455 default: 2456 return -EINVAL; 2457 } 2458 2459 return 0; 2460} 2461 2462/* 2463 * Process a device trap. This is called via schedule_work(), outside of 2464 * interrupt context, no locks held. 2465 */ 2466void 2467prism54_process_trap(struct work_struct *work) 2468{ 2469 struct islpci_mgmtframe *frame = 2470 container_of(work, struct islpci_mgmtframe, ws); 2471 struct net_device *ndev = frame->ndev; 2472 enum oid_num_t n = mgt_oidtonum(frame->header->oid); 2473 2474 if (n != OID_NUM_LAST) 2475 prism54_process_trap_helper(netdev_priv(ndev), n, frame->data); 2476 islpci_mgt_release(frame); 2477} 2478 2479int 2480prism54_set_mac_address(struct net_device *ndev, void *addr) 2481{ 2482 islpci_private *priv = netdev_priv(ndev); 2483 int ret; 2484 2485 if (ndev->addr_len != 6) 2486 return -EINVAL; 2487 ret = mgt_set_request(priv, GEN_OID_MACADDRESS, 0, 2488 &((struct sockaddr *) addr)->sa_data); 2489 if (!ret) 2490 memcpy(priv->ndev->dev_addr, 2491 &((struct sockaddr *) addr)->sa_data, 6); 2492 2493 return ret; 2494} 2495 2496#define PRISM54_SET_WPA SIOCIWFIRSTPRIV+12 2497 2498static int 2499prism54_set_wpa(struct net_device *ndev, struct iw_request_info *info, 2500 __u32 * uwrq, char *extra) 2501{ 2502 islpci_private *priv = netdev_priv(ndev); 2503 u32 mlme, authen, dot1x, filter, wep; 2504 2505 if (islpci_get_state(priv) < PRV_STATE_INIT) 2506 return 0; 2507 2508 wep = 1; /* For privacy invoked */ 2509 filter = 1; /* Filter out all unencrypted frames */ 2510 dot1x = 0x01; /* To enable eap filter */ 2511 mlme = DOT11_MLME_EXTENDED; 2512 authen = DOT11_AUTH_OS; /* Only WEP uses _SK and _BOTH */ 2513 2514 down_write(&priv->mib_sem); 2515 priv->wpa = *uwrq; 2516 2517 switch (priv->wpa) { 2518 default: 2519 case 0: /* Clears/disables WPA and friends */ 2520 wep = 0; 2521 filter = 0; /* Do not filter un-encrypted data */ 2522 dot1x = 0; 2523 mlme = DOT11_MLME_AUTO; 2524 printk("%s: Disabling WPA\n", ndev->name); 2525 break; 2526 case 2: 2527 case 1: /* WPA */ 2528 printk("%s: Enabling WPA\n", ndev->name); 2529 break; 2530 } 2531 up_write(&priv->mib_sem); 2532 2533 mgt_set_request(priv, DOT11_OID_AUTHENABLE, 0, &authen); 2534 mgt_set_request(priv, DOT11_OID_PRIVACYINVOKED, 0, &wep); 2535 mgt_set_request(priv, DOT11_OID_EXUNENCRYPTED, 0, &filter); 2536 mgt_set_request(priv, DOT11_OID_DOT1XENABLE, 0, &dot1x); 2537 mgt_set_request(priv, DOT11_OID_MLMEAUTOLEVEL, 0, &mlme); 2538 2539 return 0; 2540} 2541 2542static int 2543prism54_get_wpa(struct net_device *ndev, struct iw_request_info *info, 2544 __u32 * uwrq, char *extra) 2545{ 2546 islpci_private *priv = netdev_priv(ndev); 2547 *uwrq = priv->wpa; 2548 return 0; 2549} 2550 2551static int 2552prism54_set_prismhdr(struct net_device *ndev, struct iw_request_info *info, 2553 __u32 * uwrq, char *extra) 2554{ 2555 islpci_private *priv = netdev_priv(ndev); 2556 priv->monitor_type = 2557 (*uwrq ? ARPHRD_IEEE80211_PRISM : ARPHRD_IEEE80211); 2558 if (priv->iw_mode == IW_MODE_MONITOR) 2559 priv->ndev->type = priv->monitor_type; 2560 2561 return 0; 2562} 2563 2564static int 2565prism54_get_prismhdr(struct net_device *ndev, struct iw_request_info *info, 2566 __u32 * uwrq, char *extra) 2567{ 2568 islpci_private *priv = netdev_priv(ndev); 2569 *uwrq = (priv->monitor_type == ARPHRD_IEEE80211_PRISM); 2570 return 0; 2571} 2572 2573static int 2574prism54_debug_oid(struct net_device *ndev, struct iw_request_info *info, 2575 __u32 * uwrq, char *extra) 2576{ 2577 islpci_private *priv = netdev_priv(ndev); 2578 2579 priv->priv_oid = *uwrq; 2580 printk("%s: oid 0x%08X\n", ndev->name, *uwrq); 2581 2582 return 0; 2583} 2584 2585static int 2586prism54_debug_get_oid(struct net_device *ndev, struct iw_request_info *info, 2587 struct iw_point *data, char *extra) 2588{ 2589 islpci_private *priv = netdev_priv(ndev); 2590 struct islpci_mgmtframe *response; 2591 int ret = -EIO; 2592 2593 printk("%s: get_oid 0x%08X\n", ndev->name, priv->priv_oid); 2594 data->length = 0; 2595 2596 if (islpci_get_state(priv) >= PRV_STATE_INIT) { 2597 ret = 2598 islpci_mgt_transaction(priv->ndev, PIMFOR_OP_GET, 2599 priv->priv_oid, extra, 256, 2600 &response); 2601 printk("%s: ret: %i\n", ndev->name, ret); 2602 if (ret || !response 2603 || response->header->operation == PIMFOR_OP_ERROR) { 2604 if (response) { 2605 islpci_mgt_release(response); 2606 } 2607 printk("%s: EIO\n", ndev->name); 2608 ret = -EIO; 2609 } 2610 if (!ret) { 2611 data->length = response->header->length; 2612 memcpy(extra, response->data, data->length); 2613 islpci_mgt_release(response); 2614 printk("%s: len: %i\n", ndev->name, data->length); 2615 } 2616 } 2617 2618 return ret; 2619} 2620 2621static int 2622prism54_debug_set_oid(struct net_device *ndev, struct iw_request_info *info, 2623 struct iw_point *data, char *extra) 2624{ 2625 islpci_private *priv = netdev_priv(ndev); 2626 struct islpci_mgmtframe *response; 2627 int ret = 0, response_op = PIMFOR_OP_ERROR; 2628 2629 printk("%s: set_oid 0x%08X\tlen: %d\n", ndev->name, priv->priv_oid, 2630 data->length); 2631 2632 if (islpci_get_state(priv) >= PRV_STATE_INIT) { 2633 ret = 2634 islpci_mgt_transaction(priv->ndev, PIMFOR_OP_SET, 2635 priv->priv_oid, extra, data->length, 2636 &response); 2637 printk("%s: ret: %i\n", ndev->name, ret); 2638 if (ret || !response 2639 || response->header->operation == PIMFOR_OP_ERROR) { 2640 if (response) { 2641 islpci_mgt_release(response); 2642 } 2643 printk("%s: EIO\n", ndev->name); 2644 ret = -EIO; 2645 } 2646 if (!ret) { 2647 response_op = response->header->operation; 2648 printk("%s: response_op: %i\n", ndev->name, 2649 response_op); 2650 islpci_mgt_release(response); 2651 } 2652 } 2653 2654 return (ret ? ret : -EINPROGRESS); 2655} 2656 2657static int 2658prism54_set_spy(struct net_device *ndev, 2659 struct iw_request_info *info, 2660 union iwreq_data *uwrq, char *extra) 2661{ 2662 islpci_private *priv = netdev_priv(ndev); 2663 u32 u; 2664 enum oid_num_t oid = OID_INL_CONFIG; 2665 2666 down_write(&priv->mib_sem); 2667 mgt_get(priv, OID_INL_CONFIG, &u); 2668 2669 if ((uwrq->data.length == 0) && (priv->spy_data.spy_number > 0)) 2670 /* disable spy */ 2671 u &= ~INL_CONFIG_RXANNEX; 2672 else if ((uwrq->data.length > 0) && (priv->spy_data.spy_number == 0)) 2673 /* enable spy */ 2674 u |= INL_CONFIG_RXANNEX; 2675 2676 mgt_set(priv, OID_INL_CONFIG, &u); 2677 mgt_commit_list(priv, &oid, 1); 2678 up_write(&priv->mib_sem); 2679 2680 return iw_handler_set_spy(ndev, info, uwrq, extra); 2681} 2682 2683static const iw_handler prism54_handler[] = { 2684 (iw_handler) prism54_commit, /* SIOCSIWCOMMIT */ 2685 (iw_handler) prism54_get_name, /* SIOCGIWNAME */ 2686 (iw_handler) NULL, /* SIOCSIWNWID */ 2687 (iw_handler) NULL, /* SIOCGIWNWID */ 2688 (iw_handler) prism54_set_freq, /* SIOCSIWFREQ */ 2689 (iw_handler) prism54_get_freq, /* SIOCGIWFREQ */ 2690 (iw_handler) prism54_set_mode, /* SIOCSIWMODE */ 2691 (iw_handler) prism54_get_mode, /* SIOCGIWMODE */ 2692 (iw_handler) prism54_set_sens, /* SIOCSIWSENS */ 2693 (iw_handler) prism54_get_sens, /* SIOCGIWSENS */ 2694 (iw_handler) NULL, /* SIOCSIWRANGE */ 2695 (iw_handler) prism54_get_range, /* SIOCGIWRANGE */ 2696 (iw_handler) NULL, /* SIOCSIWPRIV */ 2697 (iw_handler) NULL, /* SIOCGIWPRIV */ 2698 (iw_handler) NULL, /* SIOCSIWSTATS */ 2699 (iw_handler) NULL, /* SIOCGIWSTATS */ 2700 prism54_set_spy, /* SIOCSIWSPY */ 2701 iw_handler_get_spy, /* SIOCGIWSPY */ 2702 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ 2703 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ 2704 (iw_handler) prism54_set_wap, /* SIOCSIWAP */ 2705 (iw_handler) prism54_get_wap, /* SIOCGIWAP */ 2706 (iw_handler) NULL, /* -- hole -- */ 2707 (iw_handler) NULL, /* SIOCGIWAPLIST deprecated */ 2708 (iw_handler) prism54_set_scan, /* SIOCSIWSCAN */ 2709 (iw_handler) prism54_get_scan, /* SIOCGIWSCAN */ 2710 (iw_handler) prism54_set_essid, /* SIOCSIWESSID */ 2711 (iw_handler) prism54_get_essid, /* SIOCGIWESSID */ 2712 (iw_handler) prism54_set_nick, /* SIOCSIWNICKN */ 2713 (iw_handler) prism54_get_nick, /* SIOCGIWNICKN */ 2714 (iw_handler) NULL, /* -- hole -- */ 2715 (iw_handler) NULL, /* -- hole -- */ 2716 (iw_handler) prism54_set_rate, /* SIOCSIWRATE */ 2717 (iw_handler) prism54_get_rate, /* SIOCGIWRATE */ 2718 (iw_handler) prism54_set_rts, /* SIOCSIWRTS */ 2719 (iw_handler) prism54_get_rts, /* SIOCGIWRTS */ 2720 (iw_handler) prism54_set_frag, /* SIOCSIWFRAG */ 2721 (iw_handler) prism54_get_frag, /* SIOCGIWFRAG */ 2722 (iw_handler) prism54_set_txpower, /* SIOCSIWTXPOW */ 2723 (iw_handler) prism54_get_txpower, /* SIOCGIWTXPOW */ 2724 (iw_handler) prism54_set_retry, /* SIOCSIWRETRY */ 2725 (iw_handler) prism54_get_retry, /* SIOCGIWRETRY */ 2726 (iw_handler) prism54_set_encode, /* SIOCSIWENCODE */ 2727 (iw_handler) prism54_get_encode, /* SIOCGIWENCODE */ 2728 (iw_handler) NULL, /* SIOCSIWPOWER */ 2729 (iw_handler) NULL, /* SIOCGIWPOWER */ 2730 NULL, /* -- hole -- */ 2731 NULL, /* -- hole -- */ 2732 (iw_handler) prism54_set_genie, /* SIOCSIWGENIE */ 2733 (iw_handler) prism54_get_genie, /* SIOCGIWGENIE */ 2734 (iw_handler) prism54_set_auth, /* SIOCSIWAUTH */ 2735 (iw_handler) prism54_get_auth, /* SIOCGIWAUTH */ 2736 (iw_handler) prism54_set_encodeext, /* SIOCSIWENCODEEXT */ 2737 (iw_handler) prism54_get_encodeext, /* SIOCGIWENCODEEXT */ 2738 NULL, /* SIOCSIWPMKSA */ 2739}; 2740 2741/* The low order bit identify a SET (0) or a GET (1) ioctl. */ 2742 2743#define PRISM54_RESET SIOCIWFIRSTPRIV 2744#define PRISM54_GET_POLICY SIOCIWFIRSTPRIV+1 2745#define PRISM54_SET_POLICY SIOCIWFIRSTPRIV+2 2746#define PRISM54_GET_MAC SIOCIWFIRSTPRIV+3 2747#define PRISM54_ADD_MAC SIOCIWFIRSTPRIV+4 2748 2749#define PRISM54_DEL_MAC SIOCIWFIRSTPRIV+6 2750 2751#define PRISM54_KICK_MAC SIOCIWFIRSTPRIV+8 2752 2753#define PRISM54_KICK_ALL SIOCIWFIRSTPRIV+10 2754 2755#define PRISM54_GET_WPA SIOCIWFIRSTPRIV+11 2756#define PRISM54_SET_WPA SIOCIWFIRSTPRIV+12 2757 2758#define PRISM54_DBG_OID SIOCIWFIRSTPRIV+14 2759#define PRISM54_DBG_GET_OID SIOCIWFIRSTPRIV+15 2760#define PRISM54_DBG_SET_OID SIOCIWFIRSTPRIV+16 2761 2762#define PRISM54_GET_OID SIOCIWFIRSTPRIV+17 2763#define PRISM54_SET_OID_U32 SIOCIWFIRSTPRIV+18 2764#define PRISM54_SET_OID_STR SIOCIWFIRSTPRIV+20 2765#define PRISM54_SET_OID_ADDR SIOCIWFIRSTPRIV+22 2766 2767#define PRISM54_GET_PRISMHDR SIOCIWFIRSTPRIV+23 2768#define PRISM54_SET_PRISMHDR SIOCIWFIRSTPRIV+24 2769 2770#define IWPRIV_SET_U32(n,x) { n, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x } 2771#define IWPRIV_SET_SSID(n,x) { n, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x } 2772#define IWPRIV_SET_ADDR(n,x) { n, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "s_"x } 2773#define IWPRIV_GET(n,x) { n, 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | PRIV_STR_SIZE, "g_"x } 2774 2775#define IWPRIV_U32(n,x) IWPRIV_SET_U32(n,x), IWPRIV_GET(n,x) 2776#define IWPRIV_SSID(n,x) IWPRIV_SET_SSID(n,x), IWPRIV_GET(n,x) 2777#define IWPRIV_ADDR(n,x) IWPRIV_SET_ADDR(n,x), IWPRIV_GET(n,x) 2778 2779/* Note : limited to 128 private ioctls (wireless tools 26) */ 2780 2781static const struct iw_priv_args prism54_private_args[] = { 2782/*{ cmd, set_args, get_args, name } */ 2783 {PRISM54_RESET, 0, 0, "reset"}, 2784 {PRISM54_GET_PRISMHDR, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 2785 "get_prismhdr"}, 2786 {PRISM54_SET_PRISMHDR, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, 2787 "set_prismhdr"}, 2788 {PRISM54_GET_POLICY, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 2789 "getPolicy"}, 2790 {PRISM54_SET_POLICY, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, 2791 "setPolicy"}, 2792 {PRISM54_GET_MAC, 0, IW_PRIV_TYPE_ADDR | 64, "getMac"}, 2793 {PRISM54_ADD_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, 2794 "addMac"}, 2795 {PRISM54_DEL_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, 2796 "delMac"}, 2797 {PRISM54_KICK_MAC, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, 2798 "kickMac"}, 2799 {PRISM54_KICK_ALL, 0, 0, "kickAll"}, 2800 {PRISM54_GET_WPA, 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 2801 "get_wpa"}, 2802 {PRISM54_SET_WPA, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, 2803 "set_wpa"}, 2804 {PRISM54_DBG_OID, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, 2805 "dbg_oid"}, 2806 {PRISM54_DBG_GET_OID, 0, IW_PRIV_TYPE_BYTE | 256, "dbg_get_oid"}, 2807 {PRISM54_DBG_SET_OID, IW_PRIV_TYPE_BYTE | 256, 0, "dbg_set_oid"}, 2808 /* --- sub-ioctls handlers --- */ 2809 {PRISM54_GET_OID, 2810 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | PRIV_STR_SIZE, ""}, 2811 {PRISM54_SET_OID_U32, 2812 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, ""}, 2813 {PRISM54_SET_OID_STR, 2814 IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 1, 0, ""}, 2815 {PRISM54_SET_OID_ADDR, 2816 IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, ""}, 2817 /* --- sub-ioctls definitions --- */ 2818 IWPRIV_ADDR(GEN_OID_MACADDRESS, "addr"), 2819 IWPRIV_GET(GEN_OID_LINKSTATE, "linkstate"), 2820 IWPRIV_U32(DOT11_OID_BSSTYPE, "bsstype"), 2821 IWPRIV_ADDR(DOT11_OID_BSSID, "bssid"), 2822 IWPRIV_U32(DOT11_OID_STATE, "state"), 2823 IWPRIV_U32(DOT11_OID_AID, "aid"), 2824 2825 IWPRIV_SSID(DOT11_OID_SSIDOVERRIDE, "ssidoverride"), 2826 2827 IWPRIV_U32(DOT11_OID_MEDIUMLIMIT, "medlimit"), 2828 IWPRIV_U32(DOT11_OID_BEACONPERIOD, "beacon"), 2829 IWPRIV_U32(DOT11_OID_DTIMPERIOD, "dtimperiod"), 2830 2831 IWPRIV_U32(DOT11_OID_AUTHENABLE, "authenable"), 2832 IWPRIV_U32(DOT11_OID_PRIVACYINVOKED, "privinvok"), 2833 IWPRIV_U32(DOT11_OID_EXUNENCRYPTED, "exunencrypt"), 2834 2835 IWPRIV_U32(DOT11_OID_REKEYTHRESHOLD, "rekeythresh"), 2836 2837 IWPRIV_U32(DOT11_OID_MAXTXLIFETIME, "maxtxlife"), 2838 IWPRIV_U32(DOT11_OID_MAXRXLIFETIME, "maxrxlife"), 2839 IWPRIV_U32(DOT11_OID_ALOFT_FIXEDRATE, "fixedrate"), 2840 IWPRIV_U32(DOT11_OID_MAXFRAMEBURST, "frameburst"), 2841 IWPRIV_U32(DOT11_OID_PSM, "psm"), 2842 2843 IWPRIV_U32(DOT11_OID_BRIDGELOCAL, "bridge"), 2844 IWPRIV_U32(DOT11_OID_CLIENTS, "clients"), 2845 IWPRIV_U32(DOT11_OID_CLIENTSASSOCIATED, "clientassoc"), 2846 IWPRIV_U32(DOT11_OID_DOT1XENABLE, "dot1xenable"), 2847 IWPRIV_U32(DOT11_OID_ANTENNARX, "rxant"), 2848 IWPRIV_U32(DOT11_OID_ANTENNATX, "txant"), 2849 IWPRIV_U32(DOT11_OID_ANTENNADIVERSITY, "antdivers"), 2850 IWPRIV_U32(DOT11_OID_EDTHRESHOLD, "edthresh"), 2851 IWPRIV_U32(DOT11_OID_PREAMBLESETTINGS, "preamble"), 2852 IWPRIV_GET(DOT11_OID_RATES, "rates"), 2853 IWPRIV_U32(DOT11_OID_OUTPUTPOWER, ".11outpower"), 2854 IWPRIV_GET(DOT11_OID_SUPPORTEDRATES, "supprates"), 2855 IWPRIV_GET(DOT11_OID_SUPPORTEDFREQUENCIES, "suppfreq"), 2856 2857 IWPRIV_U32(DOT11_OID_NOISEFLOOR, "noisefloor"), 2858 IWPRIV_GET(DOT11_OID_FREQUENCYACTIVITY, "freqactivity"), 2859 IWPRIV_U32(DOT11_OID_NONERPPROTECTION, "nonerpprotec"), 2860 IWPRIV_U32(DOT11_OID_PROFILES, "profile"), 2861 IWPRIV_GET(DOT11_OID_EXTENDEDRATES, "extrates"), 2862 IWPRIV_U32(DOT11_OID_MLMEAUTOLEVEL, "mlmelevel"), 2863 2864 IWPRIV_GET(DOT11_OID_BSSS, "bsss"), 2865 IWPRIV_GET(DOT11_OID_BSSLIST, "bsslist"), 2866 IWPRIV_U32(OID_INL_MODE, "mode"), 2867 IWPRIV_U32(OID_INL_CONFIG, "config"), 2868 IWPRIV_U32(OID_INL_DOT11D_CONFORMANCE, ".11dconform"), 2869 IWPRIV_GET(OID_INL_PHYCAPABILITIES, "phycapa"), 2870 IWPRIV_U32(OID_INL_OUTPUTPOWER, "outpower"), 2871}; 2872 2873static const iw_handler prism54_private_handler[] = { 2874 (iw_handler) prism54_reset, 2875 (iw_handler) prism54_get_policy, 2876 (iw_handler) prism54_set_policy, 2877 (iw_handler) prism54_get_mac, 2878 (iw_handler) prism54_add_mac, 2879 (iw_handler) NULL, 2880 (iw_handler) prism54_del_mac, 2881 (iw_handler) NULL, 2882 (iw_handler) prism54_kick_mac, 2883 (iw_handler) NULL, 2884 (iw_handler) prism54_kick_all, 2885 (iw_handler) prism54_get_wpa, 2886 (iw_handler) prism54_set_wpa, 2887 (iw_handler) NULL, 2888 (iw_handler) prism54_debug_oid, 2889 (iw_handler) prism54_debug_get_oid, 2890 (iw_handler) prism54_debug_set_oid, 2891 (iw_handler) prism54_get_oid, 2892 (iw_handler) prism54_set_u32, 2893 (iw_handler) NULL, 2894 (iw_handler) prism54_set_raw, 2895 (iw_handler) NULL, 2896 (iw_handler) prism54_set_raw, 2897 (iw_handler) prism54_get_prismhdr, 2898 (iw_handler) prism54_set_prismhdr, 2899}; 2900 2901const struct iw_handler_def prism54_handler_def = { 2902 .num_standard = ARRAY_SIZE(prism54_handler), 2903 .num_private = ARRAY_SIZE(prism54_private_handler), 2904 .num_private_args = ARRAY_SIZE(prism54_private_args), 2905 .standard = (iw_handler *) prism54_handler, 2906 .private = (iw_handler *) prism54_private_handler, 2907 .private_args = (struct iw_priv_args *) prism54_private_args, 2908 .get_wireless_stats = prism54_get_wireless_stats, 2909}; 2910