1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. 4 * 5 * Contact Information: wlanfae <wlanfae@realtek.com> 6 */ 7 #include <linux/string.h> 8 #include "rtl_core.h" 9 #include "rtl_wx.h" 10 11 #define RATE_COUNT 12 12 static u32 rtl8192_rates[] = { 13 1000000, 2000000, 5500000, 11000000, 6000000, 9000000, 12000000, 14 18000000, 24000000, 36000000, 48000000, 54000000 15 }; 16 17 #ifndef ENETDOWN 18 #define ENETDOWN 1 19 #endif 20 21 static int _rtl92e_wx_get_freq(struct net_device *dev, 22 struct iw_request_info *a, 23 union iwreq_data *wrqu, char *b) 24 { 25 struct r8192_priv *priv = rtllib_priv(dev); 26 27 return rtllib_wx_get_freq(priv->rtllib, a, wrqu, b); 28 } 29 30 static int _rtl92e_wx_get_mode(struct net_device *dev, 31 struct iw_request_info *a, 32 union iwreq_data *wrqu, char *b) 33 { 34 struct r8192_priv *priv = rtllib_priv(dev); 35 36 return rtllib_wx_get_mode(priv->rtllib, a, wrqu, b); 37 } 38 39 static int _rtl92e_wx_get_rate(struct net_device *dev, 40 struct iw_request_info *info, 41 union iwreq_data *wrqu, char *extra) 42 { 43 struct r8192_priv *priv = rtllib_priv(dev); 44 45 return rtllib_wx_get_rate(priv->rtllib, info, wrqu, extra); 46 } 47 48 static int _rtl92e_wx_set_rate(struct net_device *dev, 49 struct iw_request_info *info, 50 union iwreq_data *wrqu, char *extra) 51 { 52 int ret; 53 struct r8192_priv *priv = rtllib_priv(dev); 54 55 if (priv->hw_radio_off) 56 return 0; 57 58 mutex_lock(&priv->wx_mutex); 59 60 ret = rtllib_wx_set_rate(priv->rtllib, info, wrqu, extra); 61 62 mutex_unlock(&priv->wx_mutex); 63 64 return ret; 65 } 66 67 static int _rtl92e_wx_set_rts(struct net_device *dev, 68 struct iw_request_info *info, 69 union iwreq_data *wrqu, char *extra) 70 { 71 int ret; 72 struct r8192_priv *priv = rtllib_priv(dev); 73 74 if (priv->hw_radio_off) 75 return 0; 76 77 mutex_lock(&priv->wx_mutex); 78 79 ret = rtllib_wx_set_rts(priv->rtllib, info, wrqu, extra); 80 81 mutex_unlock(&priv->wx_mutex); 82 83 return ret; 84 } 85 86 static int _rtl92e_wx_get_rts(struct net_device *dev, 87 struct iw_request_info *info, 88 union iwreq_data *wrqu, char *extra) 89 { 90 struct r8192_priv *priv = rtllib_priv(dev); 91 92 return rtllib_wx_get_rts(priv->rtllib, info, wrqu, extra); 93 } 94 95 static int _rtl92e_wx_set_power(struct net_device *dev, 96 struct iw_request_info *info, 97 union iwreq_data *wrqu, char *extra) 98 { 99 int ret; 100 struct r8192_priv *priv = rtllib_priv(dev); 101 102 if (priv->hw_radio_off) { 103 netdev_warn(dev, "%s(): Can't set Power: Radio is Off.\n", 104 __func__); 105 return 0; 106 } 107 mutex_lock(&priv->wx_mutex); 108 109 ret = rtllib_wx_set_power(priv->rtllib, info, wrqu, extra); 110 111 mutex_unlock(&priv->wx_mutex); 112 113 return ret; 114 } 115 116 static int _rtl92e_wx_get_power(struct net_device *dev, 117 struct iw_request_info *info, 118 union iwreq_data *wrqu, char *extra) 119 { 120 struct r8192_priv *priv = rtllib_priv(dev); 121 122 return rtllib_wx_get_power(priv->rtllib, info, wrqu, extra); 123 } 124 125 static int _rtl92e_wx_set_rawtx(struct net_device *dev, 126 struct iw_request_info *info, 127 union iwreq_data *wrqu, char *extra) 128 { 129 struct r8192_priv *priv = rtllib_priv(dev); 130 int ret; 131 132 if (priv->hw_radio_off) 133 return 0; 134 135 mutex_lock(&priv->wx_mutex); 136 137 ret = rtllib_wx_set_rawtx(priv->rtllib, info, wrqu, extra); 138 139 mutex_unlock(&priv->wx_mutex); 140 141 return ret; 142 } 143 144 static int _rtl92e_wx_force_reset(struct net_device *dev, 145 struct iw_request_info *info, 146 union iwreq_data *wrqu, char *extra) 147 { 148 struct r8192_priv *priv = rtllib_priv(dev); 149 150 mutex_lock(&priv->wx_mutex); 151 152 priv->force_reset = *extra; 153 mutex_unlock(&priv->wx_mutex); 154 return 0; 155 } 156 157 static int _rtl92e_wx_adapter_power_status(struct net_device *dev, 158 struct iw_request_info *info, 159 union iwreq_data *wrqu, char *extra) 160 { 161 struct r8192_priv *priv = rtllib_priv(dev); 162 struct rt_pwr_save_ctrl *psc = (struct rt_pwr_save_ctrl *) 163 (&priv->rtllib->pwr_save_ctrl); 164 struct rtllib_device *ieee = priv->rtllib; 165 166 mutex_lock(&priv->wx_mutex); 167 168 if (*extra || priv->force_lps) { 169 priv->ps_force = false; 170 psc->bLeisurePs = true; 171 } else { 172 if (priv->rtllib->state == RTLLIB_LINKED) 173 rtl92e_leisure_ps_leave(dev); 174 175 priv->ps_force = true; 176 psc->bLeisurePs = false; 177 ieee->ps = *extra; 178 } 179 180 mutex_unlock(&priv->wx_mutex); 181 182 return 0; 183 } 184 185 static int _rtl92e_wx_set_lps_awake_interval(struct net_device *dev, 186 struct iw_request_info *info, 187 union iwreq_data *wrqu, 188 char *extra) 189 { 190 struct r8192_priv *priv = rtllib_priv(dev); 191 struct rt_pwr_save_ctrl *psc = (struct rt_pwr_save_ctrl *) 192 (&priv->rtllib->pwr_save_ctrl); 193 194 mutex_lock(&priv->wx_mutex); 195 196 netdev_info(dev, "%s(): set lps awake interval ! extra is %d\n", 197 __func__, *extra); 198 199 psc->reg_max_lps_awake_intvl = *extra; 200 mutex_unlock(&priv->wx_mutex); 201 return 0; 202 } 203 204 static int _rtl92e_wx_set_force_lps(struct net_device *dev, 205 struct iw_request_info *info, 206 union iwreq_data *wrqu, char *extra) 207 { 208 struct r8192_priv *priv = rtllib_priv(dev); 209 210 mutex_lock(&priv->wx_mutex); 211 212 netdev_info(dev, 213 "%s(): force LPS ! extra is %d (1 is open 0 is close)\n", 214 __func__, *extra); 215 priv->force_lps = *extra; 216 mutex_unlock(&priv->wx_mutex); 217 return 0; 218 } 219 220 static int _rtl92e_wx_set_debug(struct net_device *dev, 221 struct iw_request_info *info, 222 union iwreq_data *wrqu, char *extra) 223 { 224 struct r8192_priv *priv = rtllib_priv(dev); 225 u8 c = *extra; 226 227 if (priv->hw_radio_off) 228 return 0; 229 230 netdev_info(dev, "=====>%s(), *extra:%x, debugflag:%x\n", __func__, 231 *extra, rt_global_debug_component); 232 if (c > 0) 233 rt_global_debug_component |= (1 << c); 234 else 235 rt_global_debug_component &= BIT31; 236 return 0; 237 } 238 239 static int _rtl92e_wx_set_mode(struct net_device *dev, 240 struct iw_request_info *a, 241 union iwreq_data *wrqu, char *b) 242 { 243 struct r8192_priv *priv = rtllib_priv(dev); 244 struct rtllib_device *ieee = netdev_priv_rsl(dev); 245 246 enum rt_rf_power_state rt_state; 247 int ret; 248 249 if (priv->hw_radio_off) 250 return 0; 251 rt_state = priv->rtllib->rf_power_state; 252 mutex_lock(&priv->wx_mutex); 253 if (wrqu->mode == IW_MODE_ADHOC || wrqu->mode == IW_MODE_MONITOR || 254 ieee->net_promiscuous_md) { 255 if (rt_state == rf_off) { 256 if (priv->rtllib->rf_off_reason > 257 RF_CHANGE_BY_IPS) { 258 netdev_warn(dev, "%s(): RF is OFF.\n", 259 __func__); 260 mutex_unlock(&priv->wx_mutex); 261 return -1; 262 } 263 netdev_info(dev, 264 "=========>%s(): rtl92e_ips_leave\n", 265 __func__); 266 mutex_lock(&priv->rtllib->ips_mutex); 267 rtl92e_ips_leave(dev); 268 mutex_unlock(&priv->rtllib->ips_mutex); 269 } 270 } 271 ret = rtllib_wx_set_mode(priv->rtllib, a, wrqu, b); 272 273 mutex_unlock(&priv->wx_mutex); 274 return ret; 275 } 276 277 struct iw_range_with_scan_capa { 278 /* Informative stuff (to choose between different interface) */ 279 __u32 throughput; /* To give an idea... */ 280 /* In theory this value should be the maximum benchmarked 281 * TCP/IP throughput, because with most of these devices the 282 * bit rate is meaningless (overhead an co) to estimate how 283 * fast the connection will go and pick the fastest one. 284 * I suggest people to play with Netperf or any benchmark... 285 */ 286 287 /* NWID (or domain id) */ 288 __u32 min_nwid; /* Minimal NWID we are able to set */ 289 __u32 max_nwid; /* Maximal NWID we are able to set */ 290 291 /* Old Frequency (backward compat - moved lower ) */ 292 __u16 old_num_channels; 293 __u8 old_num_frequency; 294 295 /* Scan capabilities */ 296 __u8 scan_capa; 297 }; 298 299 static int _rtl92e_wx_get_range(struct net_device *dev, 300 struct iw_request_info *info, 301 union iwreq_data *wrqu, char *extra) 302 { 303 struct iw_range *range = (struct iw_range *)extra; 304 struct r8192_priv *priv = rtllib_priv(dev); 305 u16 val; 306 int i; 307 308 wrqu->data.length = sizeof(*range); 309 memset(range, 0, sizeof(*range)); 310 311 /* ~130 Mb/s real (802.11n) */ 312 range->throughput = 130 * 1000 * 1000; 313 314 if (priv->rf_set_sens != NULL) 315 /* signal level threshold range */ 316 range->sensitivity = priv->max_sens; 317 318 range->max_qual.qual = 100; 319 range->max_qual.level = 0; 320 range->max_qual.noise = 0; 321 range->max_qual.updated = 7; /* Updated all three */ 322 323 range->avg_qual.qual = 70; /* > 8% missed beacons is 'bad' */ 324 range->avg_qual.level = 0; 325 range->avg_qual.noise = 0; 326 range->avg_qual.updated = 7; /* Updated all three */ 327 328 range->num_bitrates = min(RATE_COUNT, IW_MAX_BITRATES); 329 330 for (i = 0; i < range->num_bitrates; i++) 331 range->bitrate[i] = rtl8192_rates[i]; 332 333 range->max_rts = DEFAULT_RTS_THRESHOLD; 334 range->min_frag = MIN_FRAG_THRESHOLD; 335 range->max_frag = MAX_FRAG_THRESHOLD; 336 337 range->min_pmp = 0; 338 range->max_pmp = 5000000; 339 range->min_pmt = 0; 340 range->max_pmt = 65535 * 1000; 341 range->pmp_flags = IW_POWER_PERIOD; 342 range->pmt_flags = IW_POWER_TIMEOUT; 343 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R; 344 range->we_version_compiled = WIRELESS_EXT; 345 range->we_version_source = 18; 346 347 for (i = 0, val = 0; i < 14; i++) { 348 if ((priv->rtllib->active_channel_map)[i + 1]) { 349 range->freq[val].i = i + 1; 350 range->freq[val].m = rtllib_wlan_frequencies[i] * 351 100000; 352 range->freq[val].e = 1; 353 val++; 354 } 355 356 if (val == IW_MAX_FREQUENCIES) 357 break; 358 } 359 range->num_frequency = val; 360 range->num_channels = val; 361 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | 362 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; 363 range->scan_capa = IW_SCAN_CAPA_ESSID | IW_SCAN_CAPA_TYPE; 364 365 /* Event capability (kernel + driver) */ 366 367 return 0; 368 } 369 370 static int _rtl92e_wx_set_scan(struct net_device *dev, 371 struct iw_request_info *a, 372 union iwreq_data *wrqu, char *b) 373 { 374 struct r8192_priv *priv = rtllib_priv(dev); 375 struct rtllib_device *ieee = priv->rtllib; 376 enum rt_rf_power_state rt_state; 377 int ret; 378 379 if (!(ieee->softmac_features & IEEE_SOFTMAC_SCAN)) { 380 if ((ieee->state >= RTLLIB_ASSOCIATING) && 381 (ieee->state <= RTLLIB_ASSOCIATING_AUTHENTICATED)) 382 return 0; 383 if ((priv->rtllib->state == RTLLIB_LINKED) && 384 (priv->rtllib->CntAfterLink < 2)) 385 return 0; 386 } 387 388 if (priv->hw_radio_off) { 389 netdev_info(dev, "================>%s(): hwradio off\n", 390 __func__); 391 return 0; 392 } 393 rt_state = priv->rtllib->rf_power_state; 394 if (!priv->up) 395 return -ENETDOWN; 396 if (priv->rtllib->link_detect_info.bBusyTraffic == true) 397 return -EAGAIN; 398 399 if (wrqu->data.flags & IW_SCAN_THIS_ESSID) { 400 struct iw_scan_req *req = (struct iw_scan_req *)b; 401 402 if (req->essid_len) { 403 int len = min_t(int, req->essid_len, IW_ESSID_MAX_SIZE); 404 405 ieee->current_network.ssid_len = len; 406 memcpy(ieee->current_network.ssid, req->essid, len); 407 } 408 } 409 410 mutex_lock(&priv->wx_mutex); 411 412 priv->rtllib->FirstIe_InScan = true; 413 414 if (priv->rtllib->state != RTLLIB_LINKED) { 415 if (rt_state == rf_off) { 416 if (priv->rtllib->rf_off_reason > 417 RF_CHANGE_BY_IPS) { 418 netdev_warn(dev, "%s(): RF is OFF.\n", 419 __func__); 420 mutex_unlock(&priv->wx_mutex); 421 return -1; 422 } 423 mutex_lock(&priv->rtllib->ips_mutex); 424 rtl92e_ips_leave(dev); 425 mutex_unlock(&priv->rtllib->ips_mutex); 426 } 427 rtllib_stop_scan(priv->rtllib); 428 if (priv->rtllib->LedControlHandler) 429 priv->rtllib->LedControlHandler(dev, 430 LED_CTL_SITE_SURVEY); 431 432 if (priv->rtllib->rf_power_state != rf_off) { 433 priv->rtllib->actscanning = true; 434 435 if (ieee->ScanOperationBackupHandler) 436 ieee->ScanOperationBackupHandler(ieee->dev, 437 SCAN_OPT_BACKUP); 438 439 rtllib_start_scan_syncro(priv->rtllib, 0); 440 441 if (ieee->ScanOperationBackupHandler) 442 ieee->ScanOperationBackupHandler(ieee->dev, 443 SCAN_OPT_RESTORE); 444 } 445 ret = 0; 446 } else { 447 priv->rtllib->actscanning = true; 448 ret = rtllib_wx_set_scan(priv->rtllib, a, wrqu, b); 449 } 450 451 mutex_unlock(&priv->wx_mutex); 452 return ret; 453 } 454 455 static int _rtl92e_wx_get_scan(struct net_device *dev, 456 struct iw_request_info *a, 457 union iwreq_data *wrqu, char *b) 458 { 459 int ret; 460 struct r8192_priv *priv = rtllib_priv(dev); 461 462 if (!priv->up) 463 return -ENETDOWN; 464 465 if (priv->hw_radio_off) 466 return 0; 467 468 mutex_lock(&priv->wx_mutex); 469 470 ret = rtllib_wx_get_scan(priv->rtllib, a, wrqu, b); 471 472 mutex_unlock(&priv->wx_mutex); 473 474 return ret; 475 } 476 477 static int _rtl92e_wx_set_essid(struct net_device *dev, 478 struct iw_request_info *a, 479 union iwreq_data *wrqu, char *b) 480 { 481 struct r8192_priv *priv = rtllib_priv(dev); 482 int ret; 483 484 if (priv->hw_radio_off) { 485 netdev_info(dev, 486 "=========>%s():hw radio off,or Rf state is rf_off, return\n", 487 __func__); 488 return 0; 489 } 490 mutex_lock(&priv->wx_mutex); 491 ret = rtllib_wx_set_essid(priv->rtllib, a, wrqu, b); 492 493 mutex_unlock(&priv->wx_mutex); 494 495 return ret; 496 } 497 498 static int _rtl92e_wx_get_essid(struct net_device *dev, 499 struct iw_request_info *a, 500 union iwreq_data *wrqu, char *b) 501 { 502 int ret; 503 struct r8192_priv *priv = rtllib_priv(dev); 504 505 mutex_lock(&priv->wx_mutex); 506 507 ret = rtllib_wx_get_essid(priv->rtllib, a, wrqu, b); 508 509 mutex_unlock(&priv->wx_mutex); 510 511 return ret; 512 } 513 514 static int _rtl92e_wx_set_nick(struct net_device *dev, 515 struct iw_request_info *info, 516 union iwreq_data *wrqu, char *extra) 517 { 518 struct r8192_priv *priv = rtllib_priv(dev); 519 520 if (wrqu->data.length > IW_ESSID_MAX_SIZE) 521 return -E2BIG; 522 mutex_lock(&priv->wx_mutex); 523 wrqu->data.length = min_t(size_t, wrqu->data.length, 524 sizeof(priv->nick)); 525 memset(priv->nick, 0, sizeof(priv->nick)); 526 memcpy(priv->nick, extra, wrqu->data.length); 527 mutex_unlock(&priv->wx_mutex); 528 return 0; 529 } 530 531 static int _rtl92e_wx_get_nick(struct net_device *dev, 532 struct iw_request_info *info, 533 union iwreq_data *wrqu, char *extra) 534 { 535 struct r8192_priv *priv = rtllib_priv(dev); 536 537 mutex_lock(&priv->wx_mutex); 538 wrqu->data.length = strlen(priv->nick); 539 memcpy(extra, priv->nick, wrqu->data.length); 540 wrqu->data.flags = 1; /* active */ 541 mutex_unlock(&priv->wx_mutex); 542 return 0; 543 } 544 545 static int _rtl92e_wx_set_freq(struct net_device *dev, 546 struct iw_request_info *a, 547 union iwreq_data *wrqu, char *b) 548 { 549 int ret; 550 struct r8192_priv *priv = rtllib_priv(dev); 551 552 if (priv->hw_radio_off) 553 return 0; 554 555 mutex_lock(&priv->wx_mutex); 556 557 ret = rtllib_wx_set_freq(priv->rtllib, a, wrqu, b); 558 559 mutex_unlock(&priv->wx_mutex); 560 return ret; 561 } 562 563 static int _rtl92e_wx_get_name(struct net_device *dev, 564 struct iw_request_info *info, 565 union iwreq_data *wrqu, char *extra) 566 { 567 struct r8192_priv *priv = rtllib_priv(dev); 568 569 return rtllib_wx_get_name(priv->rtllib, info, wrqu, extra); 570 } 571 572 static int _rtl92e_wx_set_frag(struct net_device *dev, 573 struct iw_request_info *info, 574 union iwreq_data *wrqu, char *extra) 575 { 576 struct r8192_priv *priv = rtllib_priv(dev); 577 578 if (priv->hw_radio_off) 579 return 0; 580 581 if (wrqu->frag.disabled) 582 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD; 583 else { 584 if (wrqu->frag.value < MIN_FRAG_THRESHOLD || 585 wrqu->frag.value > MAX_FRAG_THRESHOLD) 586 return -EINVAL; 587 588 priv->rtllib->fts = wrqu->frag.value & ~0x1; 589 } 590 591 return 0; 592 } 593 594 static int _rtl92e_wx_get_frag(struct net_device *dev, 595 struct iw_request_info *info, 596 union iwreq_data *wrqu, char *extra) 597 { 598 struct r8192_priv *priv = rtllib_priv(dev); 599 600 wrqu->frag.value = priv->rtllib->fts; 601 wrqu->frag.fixed = 0; /* no auto select */ 602 wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FRAG_THRESHOLD); 603 604 return 0; 605 } 606 607 static int _rtl92e_wx_set_wap(struct net_device *dev, 608 struct iw_request_info *info, 609 union iwreq_data *awrq, char *extra) 610 { 611 int ret; 612 struct r8192_priv *priv = rtllib_priv(dev); 613 614 if (priv->hw_radio_off) 615 return 0; 616 617 mutex_lock(&priv->wx_mutex); 618 619 ret = rtllib_wx_set_wap(priv->rtllib, info, awrq, extra); 620 621 mutex_unlock(&priv->wx_mutex); 622 623 return ret; 624 } 625 626 static int _rtl92e_wx_get_wap(struct net_device *dev, 627 struct iw_request_info *info, 628 union iwreq_data *wrqu, char *extra) 629 { 630 struct r8192_priv *priv = rtllib_priv(dev); 631 632 return rtllib_wx_get_wap(priv->rtllib, info, wrqu, extra); 633 } 634 635 static int _rtl92e_wx_get_enc(struct net_device *dev, 636 struct iw_request_info *info, 637 union iwreq_data *wrqu, char *key) 638 { 639 struct r8192_priv *priv = rtllib_priv(dev); 640 641 return rtllib_wx_get_encode(priv->rtllib, info, wrqu, key); 642 } 643 644 static int _rtl92e_wx_set_enc(struct net_device *dev, 645 struct iw_request_info *info, 646 union iwreq_data *wrqu, char *key) 647 { 648 struct r8192_priv *priv = rtllib_priv(dev); 649 int ret; 650 651 struct rtllib_device *ieee = priv->rtllib; 652 u32 hwkey[4] = {0, 0, 0, 0}; 653 u8 mask = 0xff; 654 u32 key_idx = 0; 655 u8 zero_addr[4][6] = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, 656 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, 657 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02}, 658 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} }; 659 int i; 660 661 if (priv->hw_radio_off) 662 return 0; 663 664 if (!priv->up) 665 return -ENETDOWN; 666 667 priv->rtllib->wx_set_enc = 1; 668 mutex_lock(&priv->rtllib->ips_mutex); 669 rtl92e_ips_leave(dev); 670 mutex_unlock(&priv->rtllib->ips_mutex); 671 mutex_lock(&priv->wx_mutex); 672 673 ret = rtllib_wx_set_encode(priv->rtllib, info, wrqu, key); 674 mutex_unlock(&priv->wx_mutex); 675 676 if (wrqu->encoding.flags & IW_ENCODE_DISABLED) { 677 ieee->pairwise_key_type = ieee->group_key_type = KEY_TYPE_NA; 678 rtl92e_cam_reset(dev); 679 memset(priv->rtllib->swcamtable, 0, 680 sizeof(struct sw_cam_table) * 32); 681 goto end_hw_sec; 682 } 683 if (wrqu->encoding.length != 0) { 684 for (i = 0; i < 4; i++) { 685 hwkey[i] |= key[4 * i + 0] & mask; 686 if (i == 1 && (4 * i + 1) == wrqu->encoding.length) 687 mask = 0x00; 688 if (i == 3 && (4 * i + 1) == wrqu->encoding.length) 689 mask = 0x00; 690 hwkey[i] |= (key[4 * i + 1] & mask) << 8; 691 hwkey[i] |= (key[4 * i + 2] & mask) << 16; 692 hwkey[i] |= (key[4 * i + 3] & mask) << 24; 693 } 694 695 switch (wrqu->encoding.flags & IW_ENCODE_INDEX) { 696 case 0: 697 key_idx = ieee->crypt_info.tx_keyidx; 698 break; 699 case 1: 700 key_idx = 0; 701 break; 702 case 2: 703 key_idx = 1; 704 break; 705 case 3: 706 key_idx = 2; 707 break; 708 case 4: 709 key_idx = 3; 710 break; 711 default: 712 break; 713 } 714 if (wrqu->encoding.length == 0x5) { 715 ieee->pairwise_key_type = KEY_TYPE_WEP40; 716 rtl92e_enable_hw_security_config(dev); 717 } 718 719 else if (wrqu->encoding.length == 0xd) { 720 ieee->pairwise_key_type = KEY_TYPE_WEP104; 721 rtl92e_enable_hw_security_config(dev); 722 rtl92e_set_key(dev, key_idx, key_idx, KEY_TYPE_WEP104, 723 zero_addr[key_idx], 0, hwkey); 724 rtl92e_set_swcam(dev, key_idx, key_idx, KEY_TYPE_WEP104, 725 zero_addr[key_idx], 0, hwkey, 0); 726 } else { 727 netdev_info(dev, 728 "wrong type in WEP, not WEP40 and WEP104\n"); 729 } 730 } 731 732 end_hw_sec: 733 priv->rtllib->wx_set_enc = 0; 734 return ret; 735 } 736 737 static int _rtl92e_wx_set_scan_type(struct net_device *dev, 738 struct iw_request_info *aa, 739 union iwreq_data *wrqu, char *p) 740 { 741 struct r8192_priv *priv = rtllib_priv(dev); 742 int *parms = (int *)p; 743 int mode = parms[0]; 744 745 if (priv->hw_radio_off) 746 return 0; 747 748 priv->rtllib->active_scan = mode; 749 750 return 1; 751 } 752 753 #define R8192_MAX_RETRY 255 754 static int _rtl92e_wx_set_retry(struct net_device *dev, 755 struct iw_request_info *info, 756 union iwreq_data *wrqu, char *extra) 757 { 758 struct r8192_priv *priv = rtllib_priv(dev); 759 int err = 0; 760 761 if (priv->hw_radio_off) 762 return 0; 763 764 mutex_lock(&priv->wx_mutex); 765 766 if (wrqu->retry.flags & IW_RETRY_LIFETIME || 767 wrqu->retry.disabled) { 768 err = -EINVAL; 769 goto exit; 770 } 771 if (!(wrqu->retry.flags & IW_RETRY_LIMIT)) { 772 err = -EINVAL; 773 goto exit; 774 } 775 776 if (wrqu->retry.value > R8192_MAX_RETRY) { 777 err = -EINVAL; 778 goto exit; 779 } 780 if (wrqu->retry.flags & IW_RETRY_MAX) 781 priv->retry_rts = wrqu->retry.value; 782 else 783 priv->retry_data = wrqu->retry.value; 784 785 rtl92e_commit(dev); 786 exit: 787 mutex_unlock(&priv->wx_mutex); 788 789 return err; 790 } 791 792 static int _rtl92e_wx_get_retry(struct net_device *dev, 793 struct iw_request_info *info, 794 union iwreq_data *wrqu, char *extra) 795 { 796 struct r8192_priv *priv = rtllib_priv(dev); 797 798 wrqu->retry.disabled = 0; /* can't be disabled */ 799 800 if ((wrqu->retry.flags & IW_RETRY_TYPE) == 801 IW_RETRY_LIFETIME) 802 return -EINVAL; 803 804 if (wrqu->retry.flags & IW_RETRY_MAX) { 805 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX; 806 wrqu->retry.value = priv->retry_rts; 807 } else { 808 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN; 809 wrqu->retry.value = priv->retry_data; 810 } 811 return 0; 812 } 813 814 static int _rtl92e_wx_get_sens(struct net_device *dev, 815 struct iw_request_info *info, 816 union iwreq_data *wrqu, char *extra) 817 { 818 struct r8192_priv *priv = rtllib_priv(dev); 819 820 if (priv->rf_set_sens == NULL) 821 return -1; /* we have not this support for this radio */ 822 wrqu->sens.value = priv->sens; 823 return 0; 824 } 825 826 static int _rtl92e_wx_set_sens(struct net_device *dev, 827 struct iw_request_info *info, 828 union iwreq_data *wrqu, char *extra) 829 { 830 struct r8192_priv *priv = rtllib_priv(dev); 831 832 short err = 0; 833 834 if (priv->hw_radio_off) 835 return 0; 836 837 mutex_lock(&priv->wx_mutex); 838 if (priv->rf_set_sens == NULL) { 839 err = -1; /* we have not this support for this radio */ 840 goto exit; 841 } 842 if (priv->rf_set_sens(dev, wrqu->sens.value) == 0) 843 priv->sens = wrqu->sens.value; 844 else 845 err = -EINVAL; 846 847 exit: 848 mutex_unlock(&priv->wx_mutex); 849 850 return err; 851 } 852 853 static int _rtl92e_wx_set_encode_ext(struct net_device *dev, 854 struct iw_request_info *info, 855 union iwreq_data *wrqu, char *extra) 856 { 857 int ret = 0; 858 struct r8192_priv *priv = rtllib_priv(dev); 859 struct rtllib_device *ieee = priv->rtllib; 860 861 if (priv->hw_radio_off) 862 return 0; 863 864 mutex_lock(&priv->wx_mutex); 865 866 priv->rtllib->wx_set_enc = 1; 867 mutex_lock(&priv->rtllib->ips_mutex); 868 rtl92e_ips_leave(dev); 869 mutex_unlock(&priv->rtllib->ips_mutex); 870 871 ret = rtllib_wx_set_encode_ext(ieee, info, wrqu, extra); 872 { 873 const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 874 const u8 zero[ETH_ALEN] = {0}; 875 u32 key[4] = {0}; 876 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 877 struct iw_point *encoding = &wrqu->encoding; 878 u8 idx = 0, alg = 0, group = 0; 879 880 if ((encoding->flags & IW_ENCODE_DISABLED) || 881 ext->alg == IW_ENCODE_ALG_NONE) { 882 ieee->pairwise_key_type = ieee->group_key_type 883 = KEY_TYPE_NA; 884 rtl92e_cam_reset(dev); 885 memset(priv->rtllib->swcamtable, 0, 886 sizeof(struct sw_cam_table) * 32); 887 goto end_hw_sec; 888 } 889 alg = (ext->alg == IW_ENCODE_ALG_CCMP) ? KEY_TYPE_CCMP : 890 ext->alg; 891 idx = encoding->flags & IW_ENCODE_INDEX; 892 if (idx) 893 idx--; 894 group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY; 895 896 if ((!group) || (ieee->iw_mode == IW_MODE_ADHOC) || 897 (alg == KEY_TYPE_WEP40)) { 898 if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40)) 899 alg = KEY_TYPE_WEP104; 900 ieee->pairwise_key_type = alg; 901 rtl92e_enable_hw_security_config(dev); 902 } 903 memcpy((u8 *)key, ext->key, 16); 904 905 if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) { 906 if (ext->key_len == 13) 907 ieee->pairwise_key_type = alg = KEY_TYPE_WEP104; 908 rtl92e_set_key(dev, idx, idx, alg, zero, 0, key); 909 rtl92e_set_swcam(dev, idx, idx, alg, zero, 0, key, 0); 910 } else if (group) { 911 ieee->group_key_type = alg; 912 rtl92e_set_key(dev, idx, idx, alg, broadcast_addr, 0, 913 key); 914 rtl92e_set_swcam(dev, idx, idx, alg, broadcast_addr, 0, 915 key, 0); 916 } else { 917 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && 918 ieee->ht_info->bCurrentHTSupport) 919 rtl92e_writeb(dev, 0x173, 1); 920 rtl92e_set_key(dev, 4, idx, alg, 921 (u8 *)ieee->ap_mac_addr, 0, key); 922 rtl92e_set_swcam(dev, 4, idx, alg, 923 (u8 *)ieee->ap_mac_addr, 0, key, 0); 924 } 925 } 926 927 end_hw_sec: 928 priv->rtllib->wx_set_enc = 0; 929 mutex_unlock(&priv->wx_mutex); 930 return ret; 931 } 932 933 static int _rtl92e_wx_set_auth(struct net_device *dev, 934 struct iw_request_info *info, 935 union iwreq_data *data, char *extra) 936 { 937 int ret = 0; 938 939 struct r8192_priv *priv = rtllib_priv(dev); 940 941 if (priv->hw_radio_off) 942 return 0; 943 944 mutex_lock(&priv->wx_mutex); 945 ret = rtllib_wx_set_auth(priv->rtllib, info, &data->param, extra); 946 mutex_unlock(&priv->wx_mutex); 947 return ret; 948 } 949 950 static int _rtl92e_wx_set_mlme(struct net_device *dev, 951 struct iw_request_info *info, 952 union iwreq_data *wrqu, char *extra) 953 { 954 int ret = 0; 955 956 struct r8192_priv *priv = rtllib_priv(dev); 957 958 if (priv->hw_radio_off) 959 return 0; 960 961 mutex_lock(&priv->wx_mutex); 962 ret = rtllib_wx_set_mlme(priv->rtllib, info, wrqu, extra); 963 mutex_unlock(&priv->wx_mutex); 964 return ret; 965 } 966 967 static int _rtl92e_wx_set_gen_ie(struct net_device *dev, 968 struct iw_request_info *info, 969 union iwreq_data *data, char *extra) 970 { 971 int ret = 0; 972 973 struct r8192_priv *priv = rtllib_priv(dev); 974 975 if (priv->hw_radio_off) 976 return 0; 977 978 mutex_lock(&priv->wx_mutex); 979 ret = rtllib_wx_set_gen_ie(priv->rtllib, extra, data->data.length); 980 mutex_unlock(&priv->wx_mutex); 981 return ret; 982 } 983 984 static int _rtl92e_wx_get_gen_ie(struct net_device *dev, 985 struct iw_request_info *info, 986 union iwreq_data *data, char *extra) 987 { 988 int ret = 0; 989 struct r8192_priv *priv = rtllib_priv(dev); 990 struct rtllib_device *ieee = priv->rtllib; 991 992 if (ieee->wpa_ie_len == 0 || ieee->wpa_ie == NULL) { 993 data->data.length = 0; 994 return 0; 995 } 996 997 if (data->data.length < ieee->wpa_ie_len) 998 return -E2BIG; 999 1000 data->data.length = ieee->wpa_ie_len; 1001 memcpy(extra, ieee->wpa_ie, ieee->wpa_ie_len); 1002 return ret; 1003 } 1004 1005 #define OID_RT_INTEL_PROMISCUOUS_MODE 0xFF0101F6 1006 1007 static int _rtl92e_wx_set_promisc_mode(struct net_device *dev, 1008 struct iw_request_info *info, 1009 union iwreq_data *wrqu, char *extra) 1010 { 1011 struct r8192_priv *priv = rtllib_priv(dev); 1012 struct rtllib_device *ieee = priv->rtllib; 1013 1014 u32 info_buf[3]; 1015 1016 u32 oid; 1017 u32 promiscuous_on; 1018 u32 fltr_src_sta_frame; 1019 1020 if (copy_from_user(info_buf, wrqu->data.pointer, sizeof(info_buf))) 1021 return -EFAULT; 1022 1023 oid = info_buf[0]; 1024 promiscuous_on = info_buf[1]; 1025 fltr_src_sta_frame = info_buf[2]; 1026 1027 if (oid == OID_RT_INTEL_PROMISCUOUS_MODE) { 1028 ieee->intel_promiscuous_md_info.promiscuous_on = 1029 (promiscuous_on) ? (true) : (false); 1030 ieee->intel_promiscuous_md_info.fltr_src_sta_frame = 1031 (fltr_src_sta_frame) ? (true) : (false); 1032 (promiscuous_on) ? 1033 (rtllib_EnableIntelPromiscuousMode(dev, false)) : 1034 (rtllib_DisableIntelPromiscuousMode(dev, false)); 1035 1036 netdev_info(dev, 1037 "=======>%s(), on = %d, filter src sta = %d\n", 1038 __func__, promiscuous_on, 1039 fltr_src_sta_frame); 1040 } else { 1041 return -1; 1042 } 1043 1044 return 0; 1045 } 1046 1047 static int _rtl92e_wx_get_promisc_mode(struct net_device *dev, 1048 struct iw_request_info *info, 1049 union iwreq_data *wrqu, char *extra) 1050 { 1051 struct r8192_priv *priv = rtllib_priv(dev); 1052 struct rtllib_device *ieee = priv->rtllib; 1053 1054 mutex_lock(&priv->wx_mutex); 1055 1056 snprintf(extra, 45, "PromiscuousMode:%d, FilterSrcSTAFrame:%d", 1057 ieee->intel_promiscuous_md_info.promiscuous_on, 1058 ieee->intel_promiscuous_md_info.fltr_src_sta_frame); 1059 wrqu->data.length = strlen(extra) + 1; 1060 1061 mutex_unlock(&priv->wx_mutex); 1062 1063 return 0; 1064 } 1065 1066 #define IW_IOCTL(x) ((x) - SIOCSIWCOMMIT) 1067 static iw_handler r8192_wx_handlers[] = { 1068 [IW_IOCTL(SIOCGIWNAME)] = _rtl92e_wx_get_name, 1069 [IW_IOCTL(SIOCSIWFREQ)] = _rtl92e_wx_set_freq, 1070 [IW_IOCTL(SIOCGIWFREQ)] = _rtl92e_wx_get_freq, 1071 [IW_IOCTL(SIOCSIWMODE)] = _rtl92e_wx_set_mode, 1072 [IW_IOCTL(SIOCGIWMODE)] = _rtl92e_wx_get_mode, 1073 [IW_IOCTL(SIOCSIWSENS)] = _rtl92e_wx_set_sens, 1074 [IW_IOCTL(SIOCGIWSENS)] = _rtl92e_wx_get_sens, 1075 [IW_IOCTL(SIOCGIWRANGE)] = _rtl92e_wx_get_range, 1076 [IW_IOCTL(SIOCSIWAP)] = _rtl92e_wx_set_wap, 1077 [IW_IOCTL(SIOCGIWAP)] = _rtl92e_wx_get_wap, 1078 [IW_IOCTL(SIOCSIWSCAN)] = _rtl92e_wx_set_scan, 1079 [IW_IOCTL(SIOCGIWSCAN)] = _rtl92e_wx_get_scan, 1080 [IW_IOCTL(SIOCSIWESSID)] = _rtl92e_wx_set_essid, 1081 [IW_IOCTL(SIOCGIWESSID)] = _rtl92e_wx_get_essid, 1082 [IW_IOCTL(SIOCSIWNICKN)] = _rtl92e_wx_set_nick, 1083 [IW_IOCTL(SIOCGIWNICKN)] = _rtl92e_wx_get_nick, 1084 [IW_IOCTL(SIOCSIWRATE)] = _rtl92e_wx_set_rate, 1085 [IW_IOCTL(SIOCGIWRATE)] = _rtl92e_wx_get_rate, 1086 [IW_IOCTL(SIOCSIWRTS)] = _rtl92e_wx_set_rts, 1087 [IW_IOCTL(SIOCGIWRTS)] = _rtl92e_wx_get_rts, 1088 [IW_IOCTL(SIOCSIWFRAG)] = _rtl92e_wx_set_frag, 1089 [IW_IOCTL(SIOCGIWFRAG)] = _rtl92e_wx_get_frag, 1090 [IW_IOCTL(SIOCSIWRETRY)] = _rtl92e_wx_set_retry, 1091 [IW_IOCTL(SIOCGIWRETRY)] = _rtl92e_wx_get_retry, 1092 [IW_IOCTL(SIOCSIWENCODE)] = _rtl92e_wx_set_enc, 1093 [IW_IOCTL(SIOCGIWENCODE)] = _rtl92e_wx_get_enc, 1094 [IW_IOCTL(SIOCSIWPOWER)] = _rtl92e_wx_set_power, 1095 [IW_IOCTL(SIOCGIWPOWER)] = _rtl92e_wx_get_power, 1096 [IW_IOCTL(SIOCSIWGENIE)] = _rtl92e_wx_set_gen_ie, 1097 [IW_IOCTL(SIOCGIWGENIE)] = _rtl92e_wx_get_gen_ie, 1098 [IW_IOCTL(SIOCSIWMLME)] = _rtl92e_wx_set_mlme, 1099 [IW_IOCTL(SIOCSIWAUTH)] = _rtl92e_wx_set_auth, 1100 [IW_IOCTL(SIOCSIWENCODEEXT)] = _rtl92e_wx_set_encode_ext, 1101 }; 1102 1103 /* the following rule need to be following, 1104 * Odd : get (world access), 1105 * even : set (root access) 1106 */ 1107 static const struct iw_priv_args r8192_private_args[] = { 1108 { 1109 SIOCIWFIRSTPRIV + 0x0, 1110 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_debugflag" 1111 }, { 1112 SIOCIWFIRSTPRIV + 0x1, 1113 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "activescan" 1114 }, { 1115 SIOCIWFIRSTPRIV + 0x2, 1116 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rawtx" 1117 }, { 1118 SIOCIWFIRSTPRIV + 0x3, 1119 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset" 1120 }, { 1121 SIOCIWFIRSTPRIV + 0x6, 1122 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, 1123 "set_power" 1124 }, { 1125 SIOCIWFIRSTPRIV + 0xa, 1126 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, 1127 "lps_interv" 1128 }, { 1129 SIOCIWFIRSTPRIV + 0xb, 1130 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, 1131 "lps_force" 1132 }, { 1133 SIOCIWFIRSTPRIV + 0x16, 1134 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0, "setpromisc" 1135 }, { 1136 SIOCIWFIRSTPRIV + 0x17, 1137 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 45, "getpromisc" 1138 } 1139 1140 }; 1141 1142 static iw_handler r8192_private_handler[] = { 1143 (iw_handler)_rtl92e_wx_set_debug, /*SIOCIWSECONDPRIV*/ 1144 (iw_handler)_rtl92e_wx_set_scan_type, 1145 (iw_handler)_rtl92e_wx_set_rawtx, 1146 (iw_handler)_rtl92e_wx_force_reset, 1147 (iw_handler)NULL, 1148 (iw_handler)NULL, 1149 (iw_handler)_rtl92e_wx_adapter_power_status, 1150 (iw_handler)NULL, 1151 (iw_handler)NULL, 1152 (iw_handler)NULL, 1153 (iw_handler)_rtl92e_wx_set_lps_awake_interval, 1154 (iw_handler)_rtl92e_wx_set_force_lps, 1155 (iw_handler)NULL, 1156 (iw_handler)NULL, 1157 (iw_handler)NULL, 1158 (iw_handler)NULL, 1159 (iw_handler)NULL, 1160 (iw_handler)NULL, 1161 (iw_handler)NULL, 1162 (iw_handler)NULL, 1163 (iw_handler)NULL, 1164 (iw_handler)NULL, 1165 (iw_handler)_rtl92e_wx_set_promisc_mode, 1166 (iw_handler)_rtl92e_wx_get_promisc_mode, 1167 }; 1168 1169 static struct iw_statistics *_rtl92e_get_wireless_stats(struct net_device *dev) 1170 { 1171 struct r8192_priv *priv = rtllib_priv(dev); 1172 struct rtllib_device *ieee = priv->rtllib; 1173 struct iw_statistics *wstats = &priv->wstats; 1174 int tmp_level = 0; 1175 int tmp_qual = 0; 1176 int tmp_noise = 0; 1177 1178 if (ieee->state < RTLLIB_LINKED) { 1179 wstats->qual.qual = 10; 1180 wstats->qual.level = 0; 1181 wstats->qual.noise = 0x100 - 100; /* -100 dBm */ 1182 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 1183 return wstats; 1184 } 1185 1186 tmp_level = (&ieee->current_network)->stats.rssi; 1187 tmp_qual = (&ieee->current_network)->stats.signal; 1188 tmp_noise = (&ieee->current_network)->stats.noise; 1189 1190 wstats->qual.level = tmp_level; 1191 wstats->qual.qual = tmp_qual; 1192 wstats->qual.noise = tmp_noise; 1193 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 1194 return wstats; 1195 } 1196 1197 const struct iw_handler_def r8192_wx_handlers_def = { 1198 .standard = r8192_wx_handlers, 1199 .num_standard = ARRAY_SIZE(r8192_wx_handlers), 1200 .private = r8192_private_handler, 1201 .num_private = ARRAY_SIZE(r8192_private_handler), 1202 .num_private_args = sizeof(r8192_private_args) / 1203 sizeof(struct iw_priv_args), 1204 .get_wireless_stats = _rtl92e_get_wireless_stats, 1205 .private_args = (struct iw_priv_args *)r8192_private_args, 1206 }; 1207