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 ieee->ScanOperationBackupHandler(ieee->dev, SCAN_OPT_BACKUP); 436 437 rtllib_start_scan_syncro(priv->rtllib, 0); 438 439 ieee->ScanOperationBackupHandler(ieee->dev, SCAN_OPT_RESTORE); 440 } 441 ret = 0; 442 } else { 443 priv->rtllib->actscanning = true; 444 ret = rtllib_wx_set_scan(priv->rtllib, a, wrqu, b); 445 } 446 447 mutex_unlock(&priv->wx_mutex); 448 return ret; 449 } 450 451 static int _rtl92e_wx_get_scan(struct net_device *dev, 452 struct iw_request_info *a, 453 union iwreq_data *wrqu, char *b) 454 { 455 int ret; 456 struct r8192_priv *priv = rtllib_priv(dev); 457 458 if (!priv->up) 459 return -ENETDOWN; 460 461 if (priv->hw_radio_off) 462 return 0; 463 464 mutex_lock(&priv->wx_mutex); 465 466 ret = rtllib_wx_get_scan(priv->rtllib, a, wrqu, b); 467 468 mutex_unlock(&priv->wx_mutex); 469 470 return ret; 471 } 472 473 static int _rtl92e_wx_set_essid(struct net_device *dev, 474 struct iw_request_info *a, 475 union iwreq_data *wrqu, char *b) 476 { 477 struct r8192_priv *priv = rtllib_priv(dev); 478 int ret; 479 480 if (priv->hw_radio_off) { 481 netdev_info(dev, 482 "=========>%s():hw radio off,or Rf state is rf_off, return\n", 483 __func__); 484 return 0; 485 } 486 mutex_lock(&priv->wx_mutex); 487 ret = rtllib_wx_set_essid(priv->rtllib, a, wrqu, b); 488 489 mutex_unlock(&priv->wx_mutex); 490 491 return ret; 492 } 493 494 static int _rtl92e_wx_get_essid(struct net_device *dev, 495 struct iw_request_info *a, 496 union iwreq_data *wrqu, char *b) 497 { 498 int ret; 499 struct r8192_priv *priv = rtllib_priv(dev); 500 501 mutex_lock(&priv->wx_mutex); 502 503 ret = rtllib_wx_get_essid(priv->rtllib, a, wrqu, b); 504 505 mutex_unlock(&priv->wx_mutex); 506 507 return ret; 508 } 509 510 static int _rtl92e_wx_set_nick(struct net_device *dev, 511 struct iw_request_info *info, 512 union iwreq_data *wrqu, char *extra) 513 { 514 struct r8192_priv *priv = rtllib_priv(dev); 515 516 if (wrqu->data.length > IW_ESSID_MAX_SIZE) 517 return -E2BIG; 518 mutex_lock(&priv->wx_mutex); 519 wrqu->data.length = min_t(size_t, wrqu->data.length, 520 sizeof(priv->nick)); 521 memset(priv->nick, 0, sizeof(priv->nick)); 522 memcpy(priv->nick, extra, wrqu->data.length); 523 mutex_unlock(&priv->wx_mutex); 524 return 0; 525 } 526 527 static int _rtl92e_wx_get_nick(struct net_device *dev, 528 struct iw_request_info *info, 529 union iwreq_data *wrqu, char *extra) 530 { 531 struct r8192_priv *priv = rtllib_priv(dev); 532 533 mutex_lock(&priv->wx_mutex); 534 wrqu->data.length = strlen(priv->nick); 535 memcpy(extra, priv->nick, wrqu->data.length); 536 wrqu->data.flags = 1; /* active */ 537 mutex_unlock(&priv->wx_mutex); 538 return 0; 539 } 540 541 static int _rtl92e_wx_set_freq(struct net_device *dev, 542 struct iw_request_info *a, 543 union iwreq_data *wrqu, char *b) 544 { 545 int ret; 546 struct r8192_priv *priv = rtllib_priv(dev); 547 548 if (priv->hw_radio_off) 549 return 0; 550 551 mutex_lock(&priv->wx_mutex); 552 553 ret = rtllib_wx_set_freq(priv->rtllib, a, wrqu, b); 554 555 mutex_unlock(&priv->wx_mutex); 556 return ret; 557 } 558 559 static int _rtl92e_wx_get_name(struct net_device *dev, 560 struct iw_request_info *info, 561 union iwreq_data *wrqu, char *extra) 562 { 563 struct r8192_priv *priv = rtllib_priv(dev); 564 565 return rtllib_wx_get_name(priv->rtllib, info, wrqu, extra); 566 } 567 568 static int _rtl92e_wx_set_frag(struct net_device *dev, 569 struct iw_request_info *info, 570 union iwreq_data *wrqu, char *extra) 571 { 572 struct r8192_priv *priv = rtllib_priv(dev); 573 574 if (priv->hw_radio_off) 575 return 0; 576 577 if (wrqu->frag.disabled) 578 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD; 579 else { 580 if (wrqu->frag.value < MIN_FRAG_THRESHOLD || 581 wrqu->frag.value > MAX_FRAG_THRESHOLD) 582 return -EINVAL; 583 584 priv->rtllib->fts = wrqu->frag.value & ~0x1; 585 } 586 587 return 0; 588 } 589 590 static int _rtl92e_wx_get_frag(struct net_device *dev, 591 struct iw_request_info *info, 592 union iwreq_data *wrqu, char *extra) 593 { 594 struct r8192_priv *priv = rtllib_priv(dev); 595 596 wrqu->frag.value = priv->rtllib->fts; 597 wrqu->frag.fixed = 0; /* no auto select */ 598 wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FRAG_THRESHOLD); 599 600 return 0; 601 } 602 603 static int _rtl92e_wx_set_wap(struct net_device *dev, 604 struct iw_request_info *info, 605 union iwreq_data *awrq, char *extra) 606 { 607 int ret; 608 struct r8192_priv *priv = rtllib_priv(dev); 609 610 if (priv->hw_radio_off) 611 return 0; 612 613 mutex_lock(&priv->wx_mutex); 614 615 ret = rtllib_wx_set_wap(priv->rtllib, info, awrq, extra); 616 617 mutex_unlock(&priv->wx_mutex); 618 619 return ret; 620 } 621 622 static int _rtl92e_wx_get_wap(struct net_device *dev, 623 struct iw_request_info *info, 624 union iwreq_data *wrqu, char *extra) 625 { 626 struct r8192_priv *priv = rtllib_priv(dev); 627 628 return rtllib_wx_get_wap(priv->rtllib, info, wrqu, extra); 629 } 630 631 static int _rtl92e_wx_get_enc(struct net_device *dev, 632 struct iw_request_info *info, 633 union iwreq_data *wrqu, char *key) 634 { 635 struct r8192_priv *priv = rtllib_priv(dev); 636 637 return rtllib_wx_get_encode(priv->rtllib, info, wrqu, key); 638 } 639 640 static int _rtl92e_wx_set_enc(struct net_device *dev, 641 struct iw_request_info *info, 642 union iwreq_data *wrqu, char *key) 643 { 644 struct r8192_priv *priv = rtllib_priv(dev); 645 int ret; 646 647 struct rtllib_device *ieee = priv->rtllib; 648 u32 hwkey[4] = {0, 0, 0, 0}; 649 u8 mask = 0xff; 650 u32 key_idx = 0; 651 u8 zero_addr[4][6] = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, 652 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, 653 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02}, 654 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} }; 655 int i; 656 657 if (priv->hw_radio_off) 658 return 0; 659 660 if (!priv->up) 661 return -ENETDOWN; 662 663 priv->rtllib->wx_set_enc = 1; 664 mutex_lock(&priv->rtllib->ips_mutex); 665 rtl92e_ips_leave(dev); 666 mutex_unlock(&priv->rtllib->ips_mutex); 667 mutex_lock(&priv->wx_mutex); 668 669 ret = rtllib_wx_set_encode(priv->rtllib, info, wrqu, key); 670 mutex_unlock(&priv->wx_mutex); 671 672 if (wrqu->encoding.flags & IW_ENCODE_DISABLED) { 673 ieee->pairwise_key_type = ieee->group_key_type = KEY_TYPE_NA; 674 rtl92e_cam_reset(dev); 675 memset(priv->rtllib->swcamtable, 0, 676 sizeof(struct sw_cam_table) * 32); 677 goto end_hw_sec; 678 } 679 if (wrqu->encoding.length != 0) { 680 for (i = 0; i < 4; i++) { 681 hwkey[i] |= key[4 * i + 0] & mask; 682 if (i == 1 && (4 * i + 1) == wrqu->encoding.length) 683 mask = 0x00; 684 if (i == 3 && (4 * i + 1) == wrqu->encoding.length) 685 mask = 0x00; 686 hwkey[i] |= (key[4 * i + 1] & mask) << 8; 687 hwkey[i] |= (key[4 * i + 2] & mask) << 16; 688 hwkey[i] |= (key[4 * i + 3] & mask) << 24; 689 } 690 691 switch (wrqu->encoding.flags & IW_ENCODE_INDEX) { 692 case 0: 693 key_idx = ieee->crypt_info.tx_keyidx; 694 break; 695 case 1: 696 key_idx = 0; 697 break; 698 case 2: 699 key_idx = 1; 700 break; 701 case 3: 702 key_idx = 2; 703 break; 704 case 4: 705 key_idx = 3; 706 break; 707 default: 708 break; 709 } 710 if (wrqu->encoding.length == 0x5) { 711 ieee->pairwise_key_type = KEY_TYPE_WEP40; 712 rtl92e_enable_hw_security_config(dev); 713 } 714 715 else if (wrqu->encoding.length == 0xd) { 716 ieee->pairwise_key_type = KEY_TYPE_WEP104; 717 rtl92e_enable_hw_security_config(dev); 718 rtl92e_set_key(dev, key_idx, key_idx, KEY_TYPE_WEP104, 719 zero_addr[key_idx], 0, hwkey); 720 rtl92e_set_swcam(dev, key_idx, key_idx, KEY_TYPE_WEP104, 721 zero_addr[key_idx], 0, hwkey, 0); 722 } else { 723 netdev_info(dev, 724 "wrong type in WEP, not WEP40 and WEP104\n"); 725 } 726 } 727 728 end_hw_sec: 729 priv->rtllib->wx_set_enc = 0; 730 return ret; 731 } 732 733 static int _rtl92e_wx_set_scan_type(struct net_device *dev, 734 struct iw_request_info *aa, 735 union iwreq_data *wrqu, char *p) 736 { 737 struct r8192_priv *priv = rtllib_priv(dev); 738 int *parms = (int *)p; 739 int mode = parms[0]; 740 741 if (priv->hw_radio_off) 742 return 0; 743 744 priv->rtllib->active_scan = mode; 745 746 return 1; 747 } 748 749 #define R8192_MAX_RETRY 255 750 static int _rtl92e_wx_set_retry(struct net_device *dev, 751 struct iw_request_info *info, 752 union iwreq_data *wrqu, char *extra) 753 { 754 struct r8192_priv *priv = rtllib_priv(dev); 755 int err = 0; 756 757 if (priv->hw_radio_off) 758 return 0; 759 760 mutex_lock(&priv->wx_mutex); 761 762 if (wrqu->retry.flags & IW_RETRY_LIFETIME || 763 wrqu->retry.disabled) { 764 err = -EINVAL; 765 goto exit; 766 } 767 if (!(wrqu->retry.flags & IW_RETRY_LIMIT)) { 768 err = -EINVAL; 769 goto exit; 770 } 771 772 if (wrqu->retry.value > R8192_MAX_RETRY) { 773 err = -EINVAL; 774 goto exit; 775 } 776 if (wrqu->retry.flags & IW_RETRY_MAX) 777 priv->retry_rts = wrqu->retry.value; 778 else 779 priv->retry_data = wrqu->retry.value; 780 781 rtl92e_commit(dev); 782 exit: 783 mutex_unlock(&priv->wx_mutex); 784 785 return err; 786 } 787 788 static int _rtl92e_wx_get_retry(struct net_device *dev, 789 struct iw_request_info *info, 790 union iwreq_data *wrqu, char *extra) 791 { 792 struct r8192_priv *priv = rtllib_priv(dev); 793 794 wrqu->retry.disabled = 0; /* can't be disabled */ 795 796 if ((wrqu->retry.flags & IW_RETRY_TYPE) == 797 IW_RETRY_LIFETIME) 798 return -EINVAL; 799 800 if (wrqu->retry.flags & IW_RETRY_MAX) { 801 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX; 802 wrqu->retry.value = priv->retry_rts; 803 } else { 804 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN; 805 wrqu->retry.value = priv->retry_data; 806 } 807 return 0; 808 } 809 810 static int _rtl92e_wx_get_sens(struct net_device *dev, 811 struct iw_request_info *info, 812 union iwreq_data *wrqu, char *extra) 813 { 814 struct r8192_priv *priv = rtllib_priv(dev); 815 816 if (priv->rf_set_sens == NULL) 817 return -1; /* we have not this support for this radio */ 818 wrqu->sens.value = priv->sens; 819 return 0; 820 } 821 822 static int _rtl92e_wx_set_sens(struct net_device *dev, 823 struct iw_request_info *info, 824 union iwreq_data *wrqu, char *extra) 825 { 826 struct r8192_priv *priv = rtllib_priv(dev); 827 828 short err = 0; 829 830 if (priv->hw_radio_off) 831 return 0; 832 833 mutex_lock(&priv->wx_mutex); 834 if (priv->rf_set_sens == NULL) { 835 err = -1; /* we have not this support for this radio */ 836 goto exit; 837 } 838 if (priv->rf_set_sens(dev, wrqu->sens.value) == 0) 839 priv->sens = wrqu->sens.value; 840 else 841 err = -EINVAL; 842 843 exit: 844 mutex_unlock(&priv->wx_mutex); 845 846 return err; 847 } 848 849 static int _rtl92e_wx_set_encode_ext(struct net_device *dev, 850 struct iw_request_info *info, 851 union iwreq_data *wrqu, char *extra) 852 { 853 int ret = 0; 854 struct r8192_priv *priv = rtllib_priv(dev); 855 struct rtllib_device *ieee = priv->rtllib; 856 857 if (priv->hw_radio_off) 858 return 0; 859 860 mutex_lock(&priv->wx_mutex); 861 862 priv->rtllib->wx_set_enc = 1; 863 mutex_lock(&priv->rtllib->ips_mutex); 864 rtl92e_ips_leave(dev); 865 mutex_unlock(&priv->rtllib->ips_mutex); 866 867 ret = rtllib_wx_set_encode_ext(ieee, info, wrqu, extra); 868 { 869 const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 870 const u8 zero[ETH_ALEN] = {0}; 871 u32 key[4] = {0}; 872 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 873 struct iw_point *encoding = &wrqu->encoding; 874 u8 idx = 0, alg = 0, group = 0; 875 876 if ((encoding->flags & IW_ENCODE_DISABLED) || 877 ext->alg == IW_ENCODE_ALG_NONE) { 878 ieee->pairwise_key_type = ieee->group_key_type 879 = KEY_TYPE_NA; 880 rtl92e_cam_reset(dev); 881 memset(priv->rtllib->swcamtable, 0, 882 sizeof(struct sw_cam_table) * 32); 883 goto end_hw_sec; 884 } 885 alg = (ext->alg == IW_ENCODE_ALG_CCMP) ? KEY_TYPE_CCMP : 886 ext->alg; 887 idx = encoding->flags & IW_ENCODE_INDEX; 888 if (idx) 889 idx--; 890 group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY; 891 892 if ((!group) || (ieee->iw_mode == IW_MODE_ADHOC) || 893 (alg == KEY_TYPE_WEP40)) { 894 if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40)) 895 alg = KEY_TYPE_WEP104; 896 ieee->pairwise_key_type = alg; 897 rtl92e_enable_hw_security_config(dev); 898 } 899 memcpy((u8 *)key, ext->key, 16); 900 901 if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) { 902 if (ext->key_len == 13) 903 ieee->pairwise_key_type = alg = KEY_TYPE_WEP104; 904 rtl92e_set_key(dev, idx, idx, alg, zero, 0, key); 905 rtl92e_set_swcam(dev, idx, idx, alg, zero, 0, key, 0); 906 } else if (group) { 907 ieee->group_key_type = alg; 908 rtl92e_set_key(dev, idx, idx, alg, broadcast_addr, 0, 909 key); 910 rtl92e_set_swcam(dev, idx, idx, alg, broadcast_addr, 0, 911 key, 0); 912 } else { 913 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && 914 ieee->ht_info->bCurrentHTSupport) 915 rtl92e_writeb(dev, 0x173, 1); 916 rtl92e_set_key(dev, 4, idx, alg, 917 (u8 *)ieee->ap_mac_addr, 0, key); 918 rtl92e_set_swcam(dev, 4, idx, alg, 919 (u8 *)ieee->ap_mac_addr, 0, key, 0); 920 } 921 } 922 923 end_hw_sec: 924 priv->rtllib->wx_set_enc = 0; 925 mutex_unlock(&priv->wx_mutex); 926 return ret; 927 } 928 929 static int _rtl92e_wx_set_auth(struct net_device *dev, 930 struct iw_request_info *info, 931 union iwreq_data *data, char *extra) 932 { 933 int ret = 0; 934 935 struct r8192_priv *priv = rtllib_priv(dev); 936 937 if (priv->hw_radio_off) 938 return 0; 939 940 mutex_lock(&priv->wx_mutex); 941 ret = rtllib_wx_set_auth(priv->rtllib, info, &data->param, extra); 942 mutex_unlock(&priv->wx_mutex); 943 return ret; 944 } 945 946 static int _rtl92e_wx_set_mlme(struct net_device *dev, 947 struct iw_request_info *info, 948 union iwreq_data *wrqu, char *extra) 949 { 950 int ret = 0; 951 952 struct r8192_priv *priv = rtllib_priv(dev); 953 954 if (priv->hw_radio_off) 955 return 0; 956 957 mutex_lock(&priv->wx_mutex); 958 ret = rtllib_wx_set_mlme(priv->rtllib, info, wrqu, extra); 959 mutex_unlock(&priv->wx_mutex); 960 return ret; 961 } 962 963 static int _rtl92e_wx_set_gen_ie(struct net_device *dev, 964 struct iw_request_info *info, 965 union iwreq_data *data, char *extra) 966 { 967 int ret = 0; 968 969 struct r8192_priv *priv = rtllib_priv(dev); 970 971 if (priv->hw_radio_off) 972 return 0; 973 974 mutex_lock(&priv->wx_mutex); 975 ret = rtllib_wx_set_gen_ie(priv->rtllib, extra, data->data.length); 976 mutex_unlock(&priv->wx_mutex); 977 return ret; 978 } 979 980 static int _rtl92e_wx_get_gen_ie(struct net_device *dev, 981 struct iw_request_info *info, 982 union iwreq_data *data, char *extra) 983 { 984 int ret = 0; 985 struct r8192_priv *priv = rtllib_priv(dev); 986 struct rtllib_device *ieee = priv->rtllib; 987 988 if (ieee->wpa_ie_len == 0 || ieee->wpa_ie == NULL) { 989 data->data.length = 0; 990 return 0; 991 } 992 993 if (data->data.length < ieee->wpa_ie_len) 994 return -E2BIG; 995 996 data->data.length = ieee->wpa_ie_len; 997 memcpy(extra, ieee->wpa_ie, ieee->wpa_ie_len); 998 return ret; 999 } 1000 1001 #define OID_RT_INTEL_PROMISCUOUS_MODE 0xFF0101F6 1002 1003 static int _rtl92e_wx_set_promisc_mode(struct net_device *dev, 1004 struct iw_request_info *info, 1005 union iwreq_data *wrqu, char *extra) 1006 { 1007 struct r8192_priv *priv = rtllib_priv(dev); 1008 struct rtllib_device *ieee = priv->rtllib; 1009 1010 u32 info_buf[3]; 1011 1012 u32 oid; 1013 u32 promiscuous_on; 1014 u32 fltr_src_sta_frame; 1015 1016 if (copy_from_user(info_buf, wrqu->data.pointer, sizeof(info_buf))) 1017 return -EFAULT; 1018 1019 oid = info_buf[0]; 1020 promiscuous_on = info_buf[1]; 1021 fltr_src_sta_frame = info_buf[2]; 1022 1023 if (oid == OID_RT_INTEL_PROMISCUOUS_MODE) { 1024 ieee->intel_promiscuous_md_info.promiscuous_on = 1025 (promiscuous_on) ? (true) : (false); 1026 ieee->intel_promiscuous_md_info.fltr_src_sta_frame = 1027 (fltr_src_sta_frame) ? (true) : (false); 1028 (promiscuous_on) ? 1029 (rtllib_EnableIntelPromiscuousMode(dev, false)) : 1030 (rtllib_DisableIntelPromiscuousMode(dev, false)); 1031 1032 netdev_info(dev, 1033 "=======>%s(), on = %d, filter src sta = %d\n", 1034 __func__, promiscuous_on, 1035 fltr_src_sta_frame); 1036 } else { 1037 return -1; 1038 } 1039 1040 return 0; 1041 } 1042 1043 static int _rtl92e_wx_get_promisc_mode(struct net_device *dev, 1044 struct iw_request_info *info, 1045 union iwreq_data *wrqu, char *extra) 1046 { 1047 struct r8192_priv *priv = rtllib_priv(dev); 1048 struct rtllib_device *ieee = priv->rtllib; 1049 1050 mutex_lock(&priv->wx_mutex); 1051 1052 snprintf(extra, 45, "PromiscuousMode:%d, FilterSrcSTAFrame:%d", 1053 ieee->intel_promiscuous_md_info.promiscuous_on, 1054 ieee->intel_promiscuous_md_info.fltr_src_sta_frame); 1055 wrqu->data.length = strlen(extra) + 1; 1056 1057 mutex_unlock(&priv->wx_mutex); 1058 1059 return 0; 1060 } 1061 1062 #define IW_IOCTL(x) ((x) - SIOCSIWCOMMIT) 1063 static iw_handler r8192_wx_handlers[] = { 1064 [IW_IOCTL(SIOCGIWNAME)] = _rtl92e_wx_get_name, 1065 [IW_IOCTL(SIOCSIWFREQ)] = _rtl92e_wx_set_freq, 1066 [IW_IOCTL(SIOCGIWFREQ)] = _rtl92e_wx_get_freq, 1067 [IW_IOCTL(SIOCSIWMODE)] = _rtl92e_wx_set_mode, 1068 [IW_IOCTL(SIOCGIWMODE)] = _rtl92e_wx_get_mode, 1069 [IW_IOCTL(SIOCSIWSENS)] = _rtl92e_wx_set_sens, 1070 [IW_IOCTL(SIOCGIWSENS)] = _rtl92e_wx_get_sens, 1071 [IW_IOCTL(SIOCGIWRANGE)] = _rtl92e_wx_get_range, 1072 [IW_IOCTL(SIOCSIWAP)] = _rtl92e_wx_set_wap, 1073 [IW_IOCTL(SIOCGIWAP)] = _rtl92e_wx_get_wap, 1074 [IW_IOCTL(SIOCSIWSCAN)] = _rtl92e_wx_set_scan, 1075 [IW_IOCTL(SIOCGIWSCAN)] = _rtl92e_wx_get_scan, 1076 [IW_IOCTL(SIOCSIWESSID)] = _rtl92e_wx_set_essid, 1077 [IW_IOCTL(SIOCGIWESSID)] = _rtl92e_wx_get_essid, 1078 [IW_IOCTL(SIOCSIWNICKN)] = _rtl92e_wx_set_nick, 1079 [IW_IOCTL(SIOCGIWNICKN)] = _rtl92e_wx_get_nick, 1080 [IW_IOCTL(SIOCSIWRATE)] = _rtl92e_wx_set_rate, 1081 [IW_IOCTL(SIOCGIWRATE)] = _rtl92e_wx_get_rate, 1082 [IW_IOCTL(SIOCSIWRTS)] = _rtl92e_wx_set_rts, 1083 [IW_IOCTL(SIOCGIWRTS)] = _rtl92e_wx_get_rts, 1084 [IW_IOCTL(SIOCSIWFRAG)] = _rtl92e_wx_set_frag, 1085 [IW_IOCTL(SIOCGIWFRAG)] = _rtl92e_wx_get_frag, 1086 [IW_IOCTL(SIOCSIWRETRY)] = _rtl92e_wx_set_retry, 1087 [IW_IOCTL(SIOCGIWRETRY)] = _rtl92e_wx_get_retry, 1088 [IW_IOCTL(SIOCSIWENCODE)] = _rtl92e_wx_set_enc, 1089 [IW_IOCTL(SIOCGIWENCODE)] = _rtl92e_wx_get_enc, 1090 [IW_IOCTL(SIOCSIWPOWER)] = _rtl92e_wx_set_power, 1091 [IW_IOCTL(SIOCGIWPOWER)] = _rtl92e_wx_get_power, 1092 [IW_IOCTL(SIOCSIWGENIE)] = _rtl92e_wx_set_gen_ie, 1093 [IW_IOCTL(SIOCGIWGENIE)] = _rtl92e_wx_get_gen_ie, 1094 [IW_IOCTL(SIOCSIWMLME)] = _rtl92e_wx_set_mlme, 1095 [IW_IOCTL(SIOCSIWAUTH)] = _rtl92e_wx_set_auth, 1096 [IW_IOCTL(SIOCSIWENCODEEXT)] = _rtl92e_wx_set_encode_ext, 1097 }; 1098 1099 /* the following rule need to be following, 1100 * Odd : get (world access), 1101 * even : set (root access) 1102 */ 1103 static const struct iw_priv_args r8192_private_args[] = { 1104 { 1105 SIOCIWFIRSTPRIV + 0x0, 1106 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_debugflag" 1107 }, { 1108 SIOCIWFIRSTPRIV + 0x1, 1109 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "activescan" 1110 }, { 1111 SIOCIWFIRSTPRIV + 0x2, 1112 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rawtx" 1113 }, { 1114 SIOCIWFIRSTPRIV + 0x3, 1115 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset" 1116 }, { 1117 SIOCIWFIRSTPRIV + 0x6, 1118 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, 1119 "set_power" 1120 }, { 1121 SIOCIWFIRSTPRIV + 0xa, 1122 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, 1123 "lps_interv" 1124 }, { 1125 SIOCIWFIRSTPRIV + 0xb, 1126 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, 1127 "lps_force" 1128 }, { 1129 SIOCIWFIRSTPRIV + 0x16, 1130 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0, "setpromisc" 1131 }, { 1132 SIOCIWFIRSTPRIV + 0x17, 1133 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 45, "getpromisc" 1134 } 1135 1136 }; 1137 1138 static iw_handler r8192_private_handler[] = { 1139 (iw_handler)_rtl92e_wx_set_debug, /*SIOCIWSECONDPRIV*/ 1140 (iw_handler)_rtl92e_wx_set_scan_type, 1141 (iw_handler)_rtl92e_wx_set_rawtx, 1142 (iw_handler)_rtl92e_wx_force_reset, 1143 (iw_handler)NULL, 1144 (iw_handler)NULL, 1145 (iw_handler)_rtl92e_wx_adapter_power_status, 1146 (iw_handler)NULL, 1147 (iw_handler)NULL, 1148 (iw_handler)NULL, 1149 (iw_handler)_rtl92e_wx_set_lps_awake_interval, 1150 (iw_handler)_rtl92e_wx_set_force_lps, 1151 (iw_handler)NULL, 1152 (iw_handler)NULL, 1153 (iw_handler)NULL, 1154 (iw_handler)NULL, 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)_rtl92e_wx_set_promisc_mode, 1162 (iw_handler)_rtl92e_wx_get_promisc_mode, 1163 }; 1164 1165 static struct iw_statistics *_rtl92e_get_wireless_stats(struct net_device *dev) 1166 { 1167 struct r8192_priv *priv = rtllib_priv(dev); 1168 struct rtllib_device *ieee = priv->rtllib; 1169 struct iw_statistics *wstats = &priv->wstats; 1170 int tmp_level = 0; 1171 int tmp_qual = 0; 1172 int tmp_noise = 0; 1173 1174 if (ieee->state < RTLLIB_LINKED) { 1175 wstats->qual.qual = 10; 1176 wstats->qual.level = 0; 1177 wstats->qual.noise = 0x100 - 100; /* -100 dBm */ 1178 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 1179 return wstats; 1180 } 1181 1182 tmp_level = (&ieee->current_network)->stats.rssi; 1183 tmp_qual = (&ieee->current_network)->stats.signal; 1184 tmp_noise = (&ieee->current_network)->stats.noise; 1185 1186 wstats->qual.level = tmp_level; 1187 wstats->qual.qual = tmp_qual; 1188 wstats->qual.noise = tmp_noise; 1189 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 1190 return wstats; 1191 } 1192 1193 const struct iw_handler_def r8192_wx_handlers_def = { 1194 .standard = r8192_wx_handlers, 1195 .num_standard = ARRAY_SIZE(r8192_wx_handlers), 1196 .private = r8192_private_handler, 1197 .num_private = ARRAY_SIZE(r8192_private_handler), 1198 .num_private_args = sizeof(r8192_private_args) / 1199 sizeof(struct iw_priv_args), 1200 .get_wireless_stats = _rtl92e_get_wireless_stats, 1201 .private_args = (struct iw_priv_args *)r8192_private_args, 1202 }; 1203