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->link_state == MAC80211_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 range->max_qual.qual = 100; 315 range->max_qual.level = 0; 316 range->max_qual.noise = 0; 317 range->max_qual.updated = 7; /* Updated all three */ 318 319 range->avg_qual.qual = 70; /* > 8% missed beacons is 'bad' */ 320 range->avg_qual.level = 0; 321 range->avg_qual.noise = 0; 322 range->avg_qual.updated = 7; /* Updated all three */ 323 324 range->num_bitrates = min(RATE_COUNT, IW_MAX_BITRATES); 325 326 for (i = 0; i < range->num_bitrates; i++) 327 range->bitrate[i] = rtl8192_rates[i]; 328 329 range->max_rts = DEFAULT_RTS_THRESHOLD; 330 range->min_frag = MIN_FRAG_THRESHOLD; 331 range->max_frag = MAX_FRAG_THRESHOLD; 332 333 range->min_pmp = 0; 334 range->max_pmp = 5000000; 335 range->min_pmt = 0; 336 range->max_pmt = 65535 * 1000; 337 range->pmp_flags = IW_POWER_PERIOD; 338 range->pmt_flags = IW_POWER_TIMEOUT; 339 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R; 340 range->we_version_compiled = WIRELESS_EXT; 341 range->we_version_source = 18; 342 343 for (i = 0, val = 0; i < 14; i++) { 344 if ((priv->rtllib->active_channel_map)[i + 1]) { 345 s32 freq_khz; 346 347 range->freq[val].i = i + 1; 348 freq_khz = ieee80211_channel_to_freq_khz(i + 1, NL80211_BAND_2GHZ); 349 range->freq[val].m = freq_khz * 100; 350 range->freq[val].e = 1; 351 val++; 352 } 353 354 if (val == IW_MAX_FREQUENCIES) 355 break; 356 } 357 range->num_frequency = val; 358 range->num_channels = val; 359 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | 360 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; 361 range->scan_capa = IW_SCAN_CAPA_ESSID | IW_SCAN_CAPA_TYPE; 362 363 /* Event capability (kernel + driver) */ 364 365 return 0; 366 } 367 368 static int _rtl92e_wx_set_scan(struct net_device *dev, 369 struct iw_request_info *a, 370 union iwreq_data *wrqu, char *b) 371 { 372 struct r8192_priv *priv = rtllib_priv(dev); 373 struct rtllib_device *ieee = priv->rtllib; 374 enum rt_rf_power_state rt_state; 375 int ret; 376 377 if (!(ieee->softmac_features & IEEE_SOFTMAC_SCAN)) { 378 if ((ieee->link_state >= RTLLIB_ASSOCIATING) && 379 (ieee->link_state <= RTLLIB_ASSOCIATING_AUTHENTICATED)) 380 return 0; 381 if ((priv->rtllib->link_state == MAC80211_LINKED) && 382 (priv->rtllib->CntAfterLink < 2)) 383 return 0; 384 } 385 386 if (priv->hw_radio_off) { 387 netdev_info(dev, "================>%s(): hwradio off\n", 388 __func__); 389 return 0; 390 } 391 rt_state = priv->rtllib->rf_power_state; 392 if (!priv->up) 393 return -ENETDOWN; 394 if (priv->rtllib->link_detect_info.bBusyTraffic) 395 return -EAGAIN; 396 397 if (wrqu->data.flags & IW_SCAN_THIS_ESSID) { 398 struct iw_scan_req *req = (struct iw_scan_req *)b; 399 400 if (req->essid_len) { 401 int len = min_t(int, req->essid_len, IW_ESSID_MAX_SIZE); 402 403 ieee->current_network.ssid_len = len; 404 memcpy(ieee->current_network.ssid, req->essid, len); 405 } 406 } 407 408 mutex_lock(&priv->wx_mutex); 409 410 priv->rtllib->FirstIe_InScan = true; 411 412 if (priv->rtllib->link_state != MAC80211_LINKED) { 413 if (rt_state == rf_off) { 414 if (priv->rtllib->rf_off_reason > 415 RF_CHANGE_BY_IPS) { 416 netdev_warn(dev, "%s(): RF is OFF.\n", 417 __func__); 418 mutex_unlock(&priv->wx_mutex); 419 return -1; 420 } 421 mutex_lock(&priv->rtllib->ips_mutex); 422 rtl92e_ips_leave(dev); 423 mutex_unlock(&priv->rtllib->ips_mutex); 424 } 425 rtllib_stop_scan(priv->rtllib); 426 if (priv->rtllib->rf_power_state != rf_off) { 427 priv->rtllib->actscanning = true; 428 429 ieee->ScanOperationBackupHandler(ieee->dev, SCAN_OPT_BACKUP); 430 431 rtllib_start_scan_syncro(priv->rtllib); 432 433 ieee->ScanOperationBackupHandler(ieee->dev, SCAN_OPT_RESTORE); 434 } 435 ret = 0; 436 } else { 437 priv->rtllib->actscanning = true; 438 ret = rtllib_wx_set_scan(priv->rtllib, a, wrqu, b); 439 } 440 441 mutex_unlock(&priv->wx_mutex); 442 return ret; 443 } 444 445 static int _rtl92e_wx_get_scan(struct net_device *dev, 446 struct iw_request_info *a, 447 union iwreq_data *wrqu, char *b) 448 { 449 int ret; 450 struct r8192_priv *priv = rtllib_priv(dev); 451 452 if (!priv->up) 453 return -ENETDOWN; 454 455 if (priv->hw_radio_off) 456 return 0; 457 458 mutex_lock(&priv->wx_mutex); 459 460 ret = rtllib_wx_get_scan(priv->rtllib, a, wrqu, b); 461 462 mutex_unlock(&priv->wx_mutex); 463 464 return ret; 465 } 466 467 static int _rtl92e_wx_set_essid(struct net_device *dev, 468 struct iw_request_info *a, 469 union iwreq_data *wrqu, char *b) 470 { 471 struct r8192_priv *priv = rtllib_priv(dev); 472 int ret; 473 474 if (priv->hw_radio_off) { 475 netdev_info(dev, 476 "=========>%s():hw radio off,or Rf state is rf_off, return\n", 477 __func__); 478 return 0; 479 } 480 mutex_lock(&priv->wx_mutex); 481 ret = rtllib_wx_set_essid(priv->rtllib, a, wrqu, b); 482 483 mutex_unlock(&priv->wx_mutex); 484 485 return ret; 486 } 487 488 static int _rtl92e_wx_get_essid(struct net_device *dev, 489 struct iw_request_info *a, 490 union iwreq_data *wrqu, char *b) 491 { 492 int ret; 493 struct r8192_priv *priv = rtllib_priv(dev); 494 495 mutex_lock(&priv->wx_mutex); 496 497 ret = rtllib_wx_get_essid(priv->rtllib, a, wrqu, b); 498 499 mutex_unlock(&priv->wx_mutex); 500 501 return ret; 502 } 503 504 static int _rtl92e_wx_set_nick(struct net_device *dev, 505 struct iw_request_info *info, 506 union iwreq_data *wrqu, char *extra) 507 { 508 struct r8192_priv *priv = rtllib_priv(dev); 509 510 if (wrqu->data.length > IW_ESSID_MAX_SIZE) 511 return -E2BIG; 512 mutex_lock(&priv->wx_mutex); 513 wrqu->data.length = min_t(size_t, wrqu->data.length, 514 sizeof(priv->nick)); 515 memset(priv->nick, 0, sizeof(priv->nick)); 516 memcpy(priv->nick, extra, wrqu->data.length); 517 mutex_unlock(&priv->wx_mutex); 518 return 0; 519 } 520 521 static int _rtl92e_wx_get_nick(struct net_device *dev, 522 struct iw_request_info *info, 523 union iwreq_data *wrqu, char *extra) 524 { 525 struct r8192_priv *priv = rtllib_priv(dev); 526 527 mutex_lock(&priv->wx_mutex); 528 wrqu->data.length = strlen(priv->nick); 529 memcpy(extra, priv->nick, wrqu->data.length); 530 wrqu->data.flags = 1; /* active */ 531 mutex_unlock(&priv->wx_mutex); 532 return 0; 533 } 534 535 static int _rtl92e_wx_set_freq(struct net_device *dev, 536 struct iw_request_info *a, 537 union iwreq_data *wrqu, char *b) 538 { 539 int ret; 540 struct r8192_priv *priv = rtllib_priv(dev); 541 542 if (priv->hw_radio_off) 543 return 0; 544 545 mutex_lock(&priv->wx_mutex); 546 547 ret = rtllib_wx_set_freq(priv->rtllib, a, wrqu, b); 548 549 mutex_unlock(&priv->wx_mutex); 550 return ret; 551 } 552 553 static int _rtl92e_wx_get_name(struct net_device *dev, 554 struct iw_request_info *info, 555 union iwreq_data *wrqu, char *extra) 556 { 557 struct r8192_priv *priv = rtllib_priv(dev); 558 559 return rtllib_wx_get_name(priv->rtllib, info, wrqu, extra); 560 } 561 562 static int _rtl92e_wx_set_frag(struct net_device *dev, 563 struct iw_request_info *info, 564 union iwreq_data *wrqu, char *extra) 565 { 566 struct r8192_priv *priv = rtllib_priv(dev); 567 568 if (priv->hw_radio_off) 569 return 0; 570 571 if (wrqu->frag.disabled) { 572 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD; 573 } else { 574 if (wrqu->frag.value < MIN_FRAG_THRESHOLD || 575 wrqu->frag.value > MAX_FRAG_THRESHOLD) 576 return -EINVAL; 577 578 priv->rtllib->fts = wrqu->frag.value & ~0x1; 579 } 580 581 return 0; 582 } 583 584 static int _rtl92e_wx_get_frag(struct net_device *dev, 585 struct iw_request_info *info, 586 union iwreq_data *wrqu, char *extra) 587 { 588 struct r8192_priv *priv = rtllib_priv(dev); 589 590 wrqu->frag.value = priv->rtllib->fts; 591 wrqu->frag.fixed = 0; /* no auto select */ 592 wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FRAG_THRESHOLD); 593 594 return 0; 595 } 596 597 static int _rtl92e_wx_set_wap(struct net_device *dev, 598 struct iw_request_info *info, 599 union iwreq_data *awrq, char *extra) 600 { 601 int ret; 602 struct r8192_priv *priv = rtllib_priv(dev); 603 604 if (priv->hw_radio_off) 605 return 0; 606 607 mutex_lock(&priv->wx_mutex); 608 609 ret = rtllib_wx_set_wap(priv->rtllib, info, awrq, extra); 610 611 mutex_unlock(&priv->wx_mutex); 612 613 return ret; 614 } 615 616 static int _rtl92e_wx_get_wap(struct net_device *dev, 617 struct iw_request_info *info, 618 union iwreq_data *wrqu, char *extra) 619 { 620 struct r8192_priv *priv = rtllib_priv(dev); 621 622 return rtllib_wx_get_wap(priv->rtllib, info, wrqu, extra); 623 } 624 625 static int _rtl92e_wx_get_enc(struct net_device *dev, 626 struct iw_request_info *info, 627 union iwreq_data *wrqu, char *key) 628 { 629 struct r8192_priv *priv = rtllib_priv(dev); 630 631 return rtllib_wx_get_encode(priv->rtllib, info, wrqu, key); 632 } 633 634 static int _rtl92e_wx_set_enc(struct net_device *dev, 635 struct iw_request_info *info, 636 union iwreq_data *wrqu, char *key) 637 { 638 struct r8192_priv *priv = rtllib_priv(dev); 639 int ret; 640 641 struct rtllib_device *ieee = priv->rtllib; 642 u32 hwkey[4] = {0, 0, 0, 0}; 643 u8 mask = 0xff; 644 u32 key_idx = 0; 645 u8 zero_addr[4][6] = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, 646 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, 647 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02}, 648 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} }; 649 int i; 650 651 if (priv->hw_radio_off) 652 return 0; 653 654 if (!priv->up) 655 return -ENETDOWN; 656 657 priv->rtllib->wx_set_enc = 1; 658 mutex_lock(&priv->rtllib->ips_mutex); 659 rtl92e_ips_leave(dev); 660 mutex_unlock(&priv->rtllib->ips_mutex); 661 mutex_lock(&priv->wx_mutex); 662 663 ret = rtllib_wx_set_encode(priv->rtllib, info, wrqu, key); 664 mutex_unlock(&priv->wx_mutex); 665 666 if (wrqu->encoding.flags & IW_ENCODE_DISABLED) { 667 ieee->pairwise_key_type = ieee->group_key_type = KEY_TYPE_NA; 668 rtl92e_cam_reset(dev); 669 memset(priv->rtllib->swcamtable, 0, 670 sizeof(struct sw_cam_table) * 32); 671 goto end_hw_sec; 672 } 673 if (wrqu->encoding.length != 0) { 674 for (i = 0; i < 4; i++) { 675 hwkey[i] |= key[4 * i + 0] & mask; 676 if (i == 1 && (4 * i + 1) == wrqu->encoding.length) 677 mask = 0x00; 678 if (i == 3 && (4 * i + 1) == wrqu->encoding.length) 679 mask = 0x00; 680 hwkey[i] |= (key[4 * i + 1] & mask) << 8; 681 hwkey[i] |= (key[4 * i + 2] & mask) << 16; 682 hwkey[i] |= (key[4 * i + 3] & mask) << 24; 683 } 684 685 switch (wrqu->encoding.flags & IW_ENCODE_INDEX) { 686 case 0: 687 key_idx = ieee->crypt_info.tx_keyidx; 688 break; 689 case 1: 690 key_idx = 0; 691 break; 692 case 2: 693 key_idx = 1; 694 break; 695 case 3: 696 key_idx = 2; 697 break; 698 case 4: 699 key_idx = 3; 700 break; 701 default: 702 break; 703 } 704 if (wrqu->encoding.length == 0x5) { 705 ieee->pairwise_key_type = KEY_TYPE_WEP40; 706 rtl92e_enable_hw_security_config(dev); 707 } 708 709 else if (wrqu->encoding.length == 0xd) { 710 ieee->pairwise_key_type = KEY_TYPE_WEP104; 711 rtl92e_enable_hw_security_config(dev); 712 rtl92e_set_key(dev, key_idx, key_idx, KEY_TYPE_WEP104, 713 zero_addr[key_idx], 0, hwkey); 714 rtl92e_set_swcam(dev, key_idx, key_idx, KEY_TYPE_WEP104, 715 zero_addr[key_idx], hwkey); 716 } else { 717 netdev_info(dev, 718 "wrong type in WEP, not WEP40 and WEP104\n"); 719 } 720 } 721 722 end_hw_sec: 723 priv->rtllib->wx_set_enc = 0; 724 return ret; 725 } 726 727 static int _rtl92e_wx_set_scan_type(struct net_device *dev, 728 struct iw_request_info *aa, 729 union iwreq_data *wrqu, char *p) 730 { 731 struct r8192_priv *priv = rtllib_priv(dev); 732 int *parms = (int *)p; 733 int mode = parms[0]; 734 735 if (priv->hw_radio_off) 736 return 0; 737 738 priv->rtllib->active_scan = mode; 739 740 return 1; 741 } 742 743 #define R8192_MAX_RETRY 255 744 static int _rtl92e_wx_set_retry(struct net_device *dev, 745 struct iw_request_info *info, 746 union iwreq_data *wrqu, char *extra) 747 { 748 struct r8192_priv *priv = rtllib_priv(dev); 749 int err = 0; 750 751 if (priv->hw_radio_off) 752 return 0; 753 754 mutex_lock(&priv->wx_mutex); 755 756 if (wrqu->retry.flags & IW_RETRY_LIFETIME || 757 wrqu->retry.disabled) { 758 err = -EINVAL; 759 goto exit; 760 } 761 if (!(wrqu->retry.flags & IW_RETRY_LIMIT)) { 762 err = -EINVAL; 763 goto exit; 764 } 765 766 if (wrqu->retry.value > R8192_MAX_RETRY) { 767 err = -EINVAL; 768 goto exit; 769 } 770 if (wrqu->retry.flags & IW_RETRY_MAX) 771 priv->retry_rts = wrqu->retry.value; 772 else 773 priv->retry_data = wrqu->retry.value; 774 775 rtl92e_commit(dev); 776 exit: 777 mutex_unlock(&priv->wx_mutex); 778 779 return err; 780 } 781 782 static int _rtl92e_wx_get_retry(struct net_device *dev, 783 struct iw_request_info *info, 784 union iwreq_data *wrqu, char *extra) 785 { 786 struct r8192_priv *priv = rtllib_priv(dev); 787 788 wrqu->retry.disabled = 0; /* can't be disabled */ 789 790 if ((wrqu->retry.flags & IW_RETRY_TYPE) == 791 IW_RETRY_LIFETIME) 792 return -EINVAL; 793 794 if (wrqu->retry.flags & IW_RETRY_MAX) { 795 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX; 796 wrqu->retry.value = priv->retry_rts; 797 } else { 798 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN; 799 wrqu->retry.value = priv->retry_data; 800 } 801 return 0; 802 } 803 804 static int _rtl92e_wx_set_encode_ext(struct net_device *dev, 805 struct iw_request_info *info, 806 union iwreq_data *wrqu, char *extra) 807 { 808 int ret = 0; 809 struct r8192_priv *priv = rtllib_priv(dev); 810 struct rtllib_device *ieee = priv->rtllib; 811 812 if (priv->hw_radio_off) 813 return 0; 814 815 mutex_lock(&priv->wx_mutex); 816 817 priv->rtllib->wx_set_enc = 1; 818 mutex_lock(&priv->rtllib->ips_mutex); 819 rtl92e_ips_leave(dev); 820 mutex_unlock(&priv->rtllib->ips_mutex); 821 822 ret = rtllib_wx_set_encode_ext(ieee, info, wrqu, extra); 823 { 824 const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 825 const u8 zero[ETH_ALEN] = {0}; 826 u32 key[4] = {0}; 827 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; 828 struct iw_point *encoding = &wrqu->encoding; 829 u8 idx = 0, alg = 0, group = 0; 830 831 if ((encoding->flags & IW_ENCODE_DISABLED) || 832 ext->alg == IW_ENCODE_ALG_NONE) { 833 ieee->pairwise_key_type = ieee->group_key_type 834 = KEY_TYPE_NA; 835 rtl92e_cam_reset(dev); 836 memset(priv->rtllib->swcamtable, 0, 837 sizeof(struct sw_cam_table) * 32); 838 goto end_hw_sec; 839 } 840 alg = (ext->alg == IW_ENCODE_ALG_CCMP) ? KEY_TYPE_CCMP : 841 ext->alg; 842 idx = encoding->flags & IW_ENCODE_INDEX; 843 if (idx) 844 idx--; 845 group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY; 846 847 if ((!group) || (ieee->iw_mode == IW_MODE_ADHOC) || 848 (alg == KEY_TYPE_WEP40)) { 849 if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40)) 850 alg = KEY_TYPE_WEP104; 851 ieee->pairwise_key_type = alg; 852 rtl92e_enable_hw_security_config(dev); 853 } 854 memcpy((u8 *)key, ext->key, 16); 855 856 if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) { 857 if (ext->key_len == 13) 858 ieee->pairwise_key_type = alg = KEY_TYPE_WEP104; 859 rtl92e_set_key(dev, idx, idx, alg, zero, 0, key); 860 rtl92e_set_swcam(dev, idx, idx, alg, zero, key); 861 } else if (group) { 862 ieee->group_key_type = alg; 863 rtl92e_set_key(dev, idx, idx, alg, broadcast_addr, 0, 864 key); 865 rtl92e_set_swcam(dev, idx, idx, alg, broadcast_addr, key); 866 } else { 867 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && 868 ieee->ht_info->bCurrentHTSupport) 869 rtl92e_writeb(dev, 0x173, 1); 870 rtl92e_set_key(dev, 4, idx, alg, 871 (u8 *)ieee->ap_mac_addr, 0, key); 872 rtl92e_set_swcam(dev, 4, idx, alg, (u8 *)ieee->ap_mac_addr, key); 873 } 874 } 875 876 end_hw_sec: 877 priv->rtllib->wx_set_enc = 0; 878 mutex_unlock(&priv->wx_mutex); 879 return ret; 880 } 881 882 static int _rtl92e_wx_set_auth(struct net_device *dev, 883 struct iw_request_info *info, 884 union iwreq_data *data, char *extra) 885 { 886 int ret = 0; 887 888 struct r8192_priv *priv = rtllib_priv(dev); 889 890 if (priv->hw_radio_off) 891 return 0; 892 893 mutex_lock(&priv->wx_mutex); 894 ret = rtllib_wx_set_auth(priv->rtllib, info, &data->param, extra); 895 mutex_unlock(&priv->wx_mutex); 896 return ret; 897 } 898 899 static int _rtl92e_wx_set_mlme(struct net_device *dev, 900 struct iw_request_info *info, 901 union iwreq_data *wrqu, char *extra) 902 { 903 int ret = 0; 904 905 struct r8192_priv *priv = rtllib_priv(dev); 906 907 if (priv->hw_radio_off) 908 return 0; 909 910 mutex_lock(&priv->wx_mutex); 911 ret = rtllib_wx_set_mlme(priv->rtllib, info, wrqu, extra); 912 mutex_unlock(&priv->wx_mutex); 913 return ret; 914 } 915 916 static int _rtl92e_wx_set_gen_ie(struct net_device *dev, 917 struct iw_request_info *info, 918 union iwreq_data *data, char *extra) 919 { 920 int ret = 0; 921 922 struct r8192_priv *priv = rtllib_priv(dev); 923 924 if (priv->hw_radio_off) 925 return 0; 926 927 mutex_lock(&priv->wx_mutex); 928 ret = rtllib_wx_set_gen_ie(priv->rtllib, extra, data->data.length); 929 mutex_unlock(&priv->wx_mutex); 930 return ret; 931 } 932 933 static int _rtl92e_wx_get_gen_ie(struct net_device *dev, 934 struct iw_request_info *info, 935 union iwreq_data *data, char *extra) 936 { 937 int ret = 0; 938 struct r8192_priv *priv = rtllib_priv(dev); 939 struct rtllib_device *ieee = priv->rtllib; 940 941 if (ieee->wpa_ie_len == 0 || ieee->wpa_ie == NULL) { 942 data->data.length = 0; 943 return 0; 944 } 945 946 if (data->data.length < ieee->wpa_ie_len) 947 return -E2BIG; 948 949 data->data.length = ieee->wpa_ie_len; 950 memcpy(extra, ieee->wpa_ie, ieee->wpa_ie_len); 951 return ret; 952 } 953 954 #define OID_RT_INTEL_PROMISCUOUS_MODE 0xFF0101F6 955 956 static int _rtl92e_wx_set_promisc_mode(struct net_device *dev, 957 struct iw_request_info *info, 958 union iwreq_data *wrqu, char *extra) 959 { 960 struct r8192_priv *priv = rtllib_priv(dev); 961 struct rtllib_device *ieee = priv->rtllib; 962 963 u32 info_buf[3]; 964 965 u32 oid; 966 u32 promiscuous_on; 967 u32 fltr_src_sta_frame; 968 969 if (copy_from_user(info_buf, wrqu->data.pointer, sizeof(info_buf))) 970 return -EFAULT; 971 972 oid = info_buf[0]; 973 promiscuous_on = info_buf[1]; 974 fltr_src_sta_frame = info_buf[2]; 975 976 if (oid == OID_RT_INTEL_PROMISCUOUS_MODE) { 977 ieee->intel_promiscuous_md_info.promiscuous_on = 978 (promiscuous_on) ? (true) : (false); 979 ieee->intel_promiscuous_md_info.fltr_src_sta_frame = 980 (fltr_src_sta_frame) ? (true) : (false); 981 (promiscuous_on) ? 982 (rtllib_EnableIntelPromiscuousMode(dev, false)) : 983 (rtllib_DisableIntelPromiscuousMode(dev, false)); 984 985 netdev_info(dev, 986 "=======>%s(), on = %d, filter src sta = %d\n", 987 __func__, promiscuous_on, 988 fltr_src_sta_frame); 989 } else { 990 return -1; 991 } 992 993 return 0; 994 } 995 996 static int _rtl92e_wx_get_promisc_mode(struct net_device *dev, 997 struct iw_request_info *info, 998 union iwreq_data *wrqu, char *extra) 999 { 1000 struct r8192_priv *priv = rtllib_priv(dev); 1001 struct rtllib_device *ieee = priv->rtllib; 1002 1003 mutex_lock(&priv->wx_mutex); 1004 1005 snprintf(extra, 45, "PromiscuousMode:%d, FilterSrcSTAFrame:%d", 1006 ieee->intel_promiscuous_md_info.promiscuous_on, 1007 ieee->intel_promiscuous_md_info.fltr_src_sta_frame); 1008 wrqu->data.length = strlen(extra) + 1; 1009 1010 mutex_unlock(&priv->wx_mutex); 1011 1012 return 0; 1013 } 1014 1015 #define IW_IOCTL(x) ((x) - SIOCSIWCOMMIT) 1016 static iw_handler r8192_wx_handlers[] = { 1017 [IW_IOCTL(SIOCGIWNAME)] = _rtl92e_wx_get_name, 1018 [IW_IOCTL(SIOCSIWFREQ)] = _rtl92e_wx_set_freq, 1019 [IW_IOCTL(SIOCGIWFREQ)] = _rtl92e_wx_get_freq, 1020 [IW_IOCTL(SIOCSIWMODE)] = _rtl92e_wx_set_mode, 1021 [IW_IOCTL(SIOCGIWMODE)] = _rtl92e_wx_get_mode, 1022 [IW_IOCTL(SIOCGIWRANGE)] = _rtl92e_wx_get_range, 1023 [IW_IOCTL(SIOCSIWAP)] = _rtl92e_wx_set_wap, 1024 [IW_IOCTL(SIOCGIWAP)] = _rtl92e_wx_get_wap, 1025 [IW_IOCTL(SIOCSIWSCAN)] = _rtl92e_wx_set_scan, 1026 [IW_IOCTL(SIOCGIWSCAN)] = _rtl92e_wx_get_scan, 1027 [IW_IOCTL(SIOCSIWESSID)] = _rtl92e_wx_set_essid, 1028 [IW_IOCTL(SIOCGIWESSID)] = _rtl92e_wx_get_essid, 1029 [IW_IOCTL(SIOCSIWNICKN)] = _rtl92e_wx_set_nick, 1030 [IW_IOCTL(SIOCGIWNICKN)] = _rtl92e_wx_get_nick, 1031 [IW_IOCTL(SIOCSIWRATE)] = _rtl92e_wx_set_rate, 1032 [IW_IOCTL(SIOCGIWRATE)] = _rtl92e_wx_get_rate, 1033 [IW_IOCTL(SIOCSIWRTS)] = _rtl92e_wx_set_rts, 1034 [IW_IOCTL(SIOCGIWRTS)] = _rtl92e_wx_get_rts, 1035 [IW_IOCTL(SIOCSIWFRAG)] = _rtl92e_wx_set_frag, 1036 [IW_IOCTL(SIOCGIWFRAG)] = _rtl92e_wx_get_frag, 1037 [IW_IOCTL(SIOCSIWRETRY)] = _rtl92e_wx_set_retry, 1038 [IW_IOCTL(SIOCGIWRETRY)] = _rtl92e_wx_get_retry, 1039 [IW_IOCTL(SIOCSIWENCODE)] = _rtl92e_wx_set_enc, 1040 [IW_IOCTL(SIOCGIWENCODE)] = _rtl92e_wx_get_enc, 1041 [IW_IOCTL(SIOCSIWPOWER)] = _rtl92e_wx_set_power, 1042 [IW_IOCTL(SIOCGIWPOWER)] = _rtl92e_wx_get_power, 1043 [IW_IOCTL(SIOCSIWGENIE)] = _rtl92e_wx_set_gen_ie, 1044 [IW_IOCTL(SIOCGIWGENIE)] = _rtl92e_wx_get_gen_ie, 1045 [IW_IOCTL(SIOCSIWMLME)] = _rtl92e_wx_set_mlme, 1046 [IW_IOCTL(SIOCSIWAUTH)] = _rtl92e_wx_set_auth, 1047 [IW_IOCTL(SIOCSIWENCODEEXT)] = _rtl92e_wx_set_encode_ext, 1048 }; 1049 1050 /* the following rule need to be following, 1051 * Odd : get (world access), 1052 * even : set (root access) 1053 */ 1054 static const struct iw_priv_args r8192_private_args[] = { 1055 { 1056 SIOCIWFIRSTPRIV + 0x0, 1057 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_debugflag" 1058 }, { 1059 SIOCIWFIRSTPRIV + 0x1, 1060 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "activescan" 1061 }, { 1062 SIOCIWFIRSTPRIV + 0x2, 1063 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rawtx" 1064 }, { 1065 SIOCIWFIRSTPRIV + 0x3, 1066 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset" 1067 }, { 1068 SIOCIWFIRSTPRIV + 0x6, 1069 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, 1070 "set_power" 1071 }, { 1072 SIOCIWFIRSTPRIV + 0xa, 1073 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, 1074 "lps_interv" 1075 }, { 1076 SIOCIWFIRSTPRIV + 0xb, 1077 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, IW_PRIV_TYPE_NONE, 1078 "lps_force" 1079 }, { 1080 SIOCIWFIRSTPRIV + 0x16, 1081 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0, "setpromisc" 1082 }, { 1083 SIOCIWFIRSTPRIV + 0x17, 1084 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 45, "getpromisc" 1085 } 1086 1087 }; 1088 1089 static iw_handler r8192_private_handler[] = { 1090 (iw_handler)_rtl92e_wx_set_debug, /*SIOCIWSECONDPRIV*/ 1091 (iw_handler)_rtl92e_wx_set_scan_type, 1092 (iw_handler)_rtl92e_wx_set_rawtx, 1093 (iw_handler)_rtl92e_wx_force_reset, 1094 (iw_handler)NULL, 1095 (iw_handler)NULL, 1096 (iw_handler)_rtl92e_wx_adapter_power_status, 1097 (iw_handler)NULL, 1098 (iw_handler)NULL, 1099 (iw_handler)NULL, 1100 (iw_handler)_rtl92e_wx_set_lps_awake_interval, 1101 (iw_handler)_rtl92e_wx_set_force_lps, 1102 (iw_handler)NULL, 1103 (iw_handler)NULL, 1104 (iw_handler)NULL, 1105 (iw_handler)NULL, 1106 (iw_handler)NULL, 1107 (iw_handler)NULL, 1108 (iw_handler)NULL, 1109 (iw_handler)NULL, 1110 (iw_handler)NULL, 1111 (iw_handler)NULL, 1112 (iw_handler)_rtl92e_wx_set_promisc_mode, 1113 (iw_handler)_rtl92e_wx_get_promisc_mode, 1114 }; 1115 1116 static struct iw_statistics *_rtl92e_get_wireless_stats(struct net_device *dev) 1117 { 1118 struct r8192_priv *priv = rtllib_priv(dev); 1119 struct rtllib_device *ieee = priv->rtllib; 1120 struct iw_statistics *wstats = &priv->wstats; 1121 int tmp_level = 0; 1122 int tmp_qual = 0; 1123 int tmp_noise = 0; 1124 1125 if (ieee->link_state < MAC80211_LINKED) { 1126 wstats->qual.qual = 10; 1127 wstats->qual.level = 0; 1128 wstats->qual.noise = 0x100 - 100; /* -100 dBm */ 1129 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 1130 return wstats; 1131 } 1132 1133 tmp_level = (&ieee->current_network)->stats.rssi; 1134 tmp_qual = (&ieee->current_network)->stats.signal; 1135 tmp_noise = (&ieee->current_network)->stats.noise; 1136 1137 wstats->qual.level = tmp_level; 1138 wstats->qual.qual = tmp_qual; 1139 wstats->qual.noise = tmp_noise; 1140 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; 1141 return wstats; 1142 } 1143 1144 const struct iw_handler_def r8192_wx_handlers_def = { 1145 .standard = r8192_wx_handlers, 1146 .num_standard = ARRAY_SIZE(r8192_wx_handlers), 1147 .private = r8192_private_handler, 1148 .num_private = ARRAY_SIZE(r8192_private_handler), 1149 .num_private_args = sizeof(r8192_private_args) / 1150 sizeof(struct iw_priv_args), 1151 .get_wireless_stats = _rtl92e_get_wireless_stats, 1152 .private_args = (struct iw_priv_args *)r8192_private_args, 1153 }; 1154