1 /****************************************************************************** 2 * 3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 ******************************************************************************/ 15 #define _RTW_WLAN_UTIL_C_ 16 17 #include <drv_types.h> 18 #include <rtw_debug.h> 19 #include <hal_com_h2c.h> 20 21 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) 22 #include <linux/inetdevice.h> 23 #endif 24 25 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f}; 26 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74}; 27 28 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18}; 29 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7}; 30 static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5}; 31 32 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96}; 33 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43}; 34 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43}; 35 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c}; 36 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5}; 37 static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02}; 38 static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02}; 39 40 extern unsigned char RTW_WPA_OUI[]; 41 extern unsigned char WPA_TKIP_CIPHER[4]; 42 43 #define R2T_PHY_DELAY (0) 44 45 /* define WAIT_FOR_BCN_TO_MIN (3000) */ 46 #define WAIT_FOR_BCN_TO_MIN (6000) 47 #define WAIT_FOR_BCN_TO_MAX (20000) 48 49 #define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000 50 #define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3 51 52 static u8 rtw_basic_rate_cck[4] = { 53 IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK, 54 IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK 55 }; 56 57 static u8 rtw_basic_rate_ofdm[3] = { 58 IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK, 59 IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK 60 }; 61 62 int cckrates_included(unsigned char *rate, int ratelen) 63 { 64 int i; 65 66 for (i = 0; i < ratelen; i++) { 67 if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) || 68 (((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22)) 69 return true; 70 } 71 72 return false; 73 74 } 75 76 int cckratesonly_included(unsigned char *rate, int ratelen) 77 { 78 int i; 79 80 for (i = 0; i < ratelen; i++) { 81 if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) && 82 (((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22)) 83 return false; 84 } 85 86 return true; 87 } 88 89 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta) 90 { 91 u8 raid, cur_rf_type, rf_type = RF_1T1R; 92 93 rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type)); 94 95 if (cur_rf_type == RF_1T1R) { 96 rf_type = RF_1T1R; 97 } else if (IsSupportedVHT(psta->wireless_mode)) { 98 if (psta->ra_mask & 0xffc00000) 99 rf_type = RF_2T2R; 100 } else if (IsSupportedHT(psta->wireless_mode)) { 101 if (psta->ra_mask & 0xfff00000) 102 rf_type = RF_2T2R; 103 } 104 105 switch (psta->wireless_mode) { 106 case WIRELESS_11B: 107 raid = RATEID_IDX_B; 108 break; 109 case WIRELESS_11A: 110 case WIRELESS_11G: 111 raid = RATEID_IDX_G; 112 break; 113 case WIRELESS_11BG: 114 raid = RATEID_IDX_BG; 115 break; 116 case WIRELESS_11_24N: 117 case WIRELESS_11_5N: 118 case WIRELESS_11A_5N: 119 case WIRELESS_11G_24N: 120 if (rf_type == RF_2T2R) 121 raid = RATEID_IDX_GN_N2SS; 122 else 123 raid = RATEID_IDX_GN_N1SS; 124 break; 125 case WIRELESS_11B_24N: 126 case WIRELESS_11BG_24N: 127 if (psta->bw_mode == CHANNEL_WIDTH_20) { 128 if (rf_type == RF_2T2R) 129 raid = RATEID_IDX_BGN_20M_2SS_BN; 130 else 131 raid = RATEID_IDX_BGN_20M_1SS_BN; 132 } else { 133 if (rf_type == RF_2T2R) 134 raid = RATEID_IDX_BGN_40M_2SS; 135 else 136 raid = RATEID_IDX_BGN_40M_1SS; 137 } 138 break; 139 default: 140 raid = RATEID_IDX_BGN_40M_2SS; 141 break; 142 143 } 144 return raid; 145 146 } 147 148 unsigned char ratetbl_val_2wifirate(unsigned char rate); 149 unsigned char ratetbl_val_2wifirate(unsigned char rate) 150 { 151 unsigned char val = 0; 152 153 switch (rate & 0x7f) { 154 case 0: 155 val = IEEE80211_CCK_RATE_1MB; 156 break; 157 158 case 1: 159 val = IEEE80211_CCK_RATE_2MB; 160 break; 161 162 case 2: 163 val = IEEE80211_CCK_RATE_5MB; 164 break; 165 166 case 3: 167 val = IEEE80211_CCK_RATE_11MB; 168 break; 169 170 case 4: 171 val = IEEE80211_OFDM_RATE_6MB; 172 break; 173 174 case 5: 175 val = IEEE80211_OFDM_RATE_9MB; 176 break; 177 178 case 6: 179 val = IEEE80211_OFDM_RATE_12MB; 180 break; 181 182 case 7: 183 val = IEEE80211_OFDM_RATE_18MB; 184 break; 185 186 case 8: 187 val = IEEE80211_OFDM_RATE_24MB; 188 break; 189 190 case 9: 191 val = IEEE80211_OFDM_RATE_36MB; 192 break; 193 194 case 10: 195 val = IEEE80211_OFDM_RATE_48MB; 196 break; 197 198 case 11: 199 val = IEEE80211_OFDM_RATE_54MB; 200 break; 201 202 } 203 204 return val; 205 206 } 207 208 int is_basicrate(struct adapter *padapter, unsigned char rate); 209 int is_basicrate(struct adapter *padapter, unsigned char rate) 210 { 211 int i; 212 unsigned char val; 213 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 214 215 for (i = 0; i < NumRates; i++) { 216 val = pmlmeext->basicrate[i]; 217 218 if ((val != 0xff) && (val != 0xfe)) 219 if (rate == ratetbl_val_2wifirate(val)) 220 return true; 221 } 222 223 return false; 224 } 225 226 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset); 227 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset) 228 { 229 int i; 230 unsigned char rate; 231 unsigned int len = 0; 232 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 233 234 for (i = 0; i < NumRates; i++) { 235 rate = pmlmeext->datarate[i]; 236 237 switch (rate) { 238 case 0xff: 239 return len; 240 241 case 0xfe: 242 continue; 243 244 default: 245 rate = ratetbl_val_2wifirate(rate); 246 247 if (is_basicrate(padapter, rate) == true) 248 rate |= IEEE80211_BASIC_RATE_MASK; 249 250 rateset[len] = rate; 251 len++; 252 break; 253 } 254 } 255 return len; 256 } 257 258 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len) 259 { 260 unsigned char supportedrates[NumRates]; 261 262 memset(supportedrates, 0, NumRates); 263 *bssrate_len = ratetbl2rateset(padapter, supportedrates); 264 memcpy(pbssrate, supportedrates, *bssrate_len); 265 } 266 267 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask) 268 { 269 u8 mcs_rate_1r = (u8)(mask&0xff); 270 u8 mcs_rate_2r = (u8)((mask>>8)&0xff); 271 u8 mcs_rate_3r = (u8)((mask>>16)&0xff); 272 u8 mcs_rate_4r = (u8)((mask>>24)&0xff); 273 274 mcs_set[0] &= mcs_rate_1r; 275 mcs_set[1] &= mcs_rate_2r; 276 mcs_set[2] &= mcs_rate_3r; 277 mcs_set[3] &= mcs_rate_4r; 278 } 279 280 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS) 281 { 282 u8 i; 283 u8 rate; 284 285 /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */ 286 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) { 287 rate = mBratesOS[i] & 0x7f; 288 switch (rate) { 289 case IEEE80211_CCK_RATE_1MB: 290 case IEEE80211_CCK_RATE_2MB: 291 case IEEE80211_CCK_RATE_5MB: 292 case IEEE80211_CCK_RATE_11MB: 293 case IEEE80211_OFDM_RATE_6MB: 294 case IEEE80211_OFDM_RATE_12MB: 295 case IEEE80211_OFDM_RATE_24MB: 296 mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK; 297 break; 298 } 299 } 300 301 } 302 303 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen) 304 { 305 u8 i; 306 u8 rate; 307 308 for (i = 0; i < bssratelen; i++) { 309 rate = bssrateset[i] & 0x7f; 310 switch (rate) { 311 case IEEE80211_CCK_RATE_1MB: 312 case IEEE80211_CCK_RATE_2MB: 313 case IEEE80211_CCK_RATE_5MB: 314 case IEEE80211_CCK_RATE_11MB: 315 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK; 316 break; 317 } 318 } 319 320 } 321 322 void Save_DM_Func_Flag(struct adapter *padapter) 323 { 324 u8 bSaveFlag = true; 325 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag)); 326 } 327 328 void Restore_DM_Func_Flag(struct adapter *padapter) 329 { 330 u8 bSaveFlag = false; 331 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag)); 332 } 333 334 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable) 335 { 336 if (enable == true) 337 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode)); 338 else 339 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode)); 340 } 341 342 static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type) 343 { 344 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type)); 345 } 346 347 void Set_MSR(struct adapter *padapter, u8 type) 348 { 349 Set_NETYPE0_MSR(padapter, type); 350 } 351 352 inline u8 rtw_get_oper_ch(struct adapter *adapter) 353 { 354 return adapter_to_dvobj(adapter)->oper_channel; 355 } 356 357 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch) 358 { 359 #ifdef DBG_CH_SWITCH 360 const int len = 128; 361 char msg[128] = {0}; 362 int cnt = 0; 363 int i = 0; 364 #endif /* DBG_CH_SWITCH */ 365 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 366 367 if (dvobj->oper_channel != ch) { 368 dvobj->on_oper_ch_time = jiffies; 369 370 #ifdef DBG_CH_SWITCH 371 cnt += snprintf(msg+cnt, len-cnt, "switch to ch %3u", ch); 372 373 for (i = 0; i < dvobj->iface_nums; i++) { 374 struct adapter *iface = dvobj->padapters[i]; 375 cnt += snprintf(msg+cnt, len-cnt, " ["ADPT_FMT":", ADPT_ARG(iface)); 376 if (iface->mlmeextpriv.cur_channel == ch) 377 cnt += snprintf(msg+cnt, len-cnt, "C"); 378 else 379 cnt += snprintf(msg+cnt, len-cnt, "_"); 380 if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE)) 381 cnt += snprintf(msg+cnt, len-cnt, "L"); 382 else 383 cnt += snprintf(msg+cnt, len-cnt, "_"); 384 cnt += snprintf(msg+cnt, len-cnt, "]"); 385 } 386 387 DBG_871X(FUNC_ADPT_FMT" %s\n", FUNC_ADPT_ARG(adapter), msg); 388 #endif /* DBG_CH_SWITCH */ 389 } 390 391 dvobj->oper_channel = ch; 392 } 393 394 inline u8 rtw_get_oper_bw(struct adapter *adapter) 395 { 396 return adapter_to_dvobj(adapter)->oper_bwmode; 397 } 398 399 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw) 400 { 401 adapter_to_dvobj(adapter)->oper_bwmode = bw; 402 } 403 404 inline u8 rtw_get_oper_choffset(struct adapter *adapter) 405 { 406 return adapter_to_dvobj(adapter)->oper_ch_offset; 407 } 408 409 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset) 410 { 411 adapter_to_dvobj(adapter)->oper_ch_offset = offset; 412 } 413 414 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset) 415 { 416 u8 center_ch = channel; 417 418 if (chnl_bw == CHANNEL_WIDTH_80) { 419 if ((channel == 36) || (channel == 40) || (channel == 44) || (channel == 48)) 420 center_ch = 42; 421 if ((channel == 52) || (channel == 56) || (channel == 60) || (channel == 64)) 422 center_ch = 58; 423 if ((channel == 100) || (channel == 104) || (channel == 108) || (channel == 112)) 424 center_ch = 106; 425 if ((channel == 116) || (channel == 120) || (channel == 124) || (channel == 128)) 426 center_ch = 122; 427 if ((channel == 132) || (channel == 136) || (channel == 140) || (channel == 144)) 428 center_ch = 138; 429 if ((channel == 149) || (channel == 153) || (channel == 157) || (channel == 161)) 430 center_ch = 155; 431 else if (channel <= 14) 432 center_ch = 7; 433 } else if (chnl_bw == CHANNEL_WIDTH_40) { 434 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER) 435 center_ch = channel + 2; 436 else 437 center_ch = channel - 2; 438 } 439 440 return center_ch; 441 } 442 443 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter) 444 { 445 if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel) 446 return adapter_to_dvobj(adapter)->on_oper_ch_time; 447 else 448 return 0; 449 } 450 451 void SelectChannel(struct adapter *padapter, unsigned char channel) 452 { 453 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) 454 return; 455 456 /* saved channel info */ 457 rtw_set_oper_ch(padapter, channel); 458 459 rtw_hal_set_chan(padapter, channel); 460 461 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex)); 462 } 463 464 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode) 465 { 466 u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 467 468 if (padapter->bNotifyChannelChange) 469 DBG_871X("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode); 470 471 center_ch = rtw_get_center_ch(channel, bwmode, channel_offset); 472 473 if (bwmode == CHANNEL_WIDTH_80) { 474 if (center_ch > channel) 475 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER; 476 else if (center_ch < channel) 477 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER; 478 else 479 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 480 } 481 482 /* set Channel */ 483 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) 484 return; 485 486 /* saved channel/bw info */ 487 rtw_set_oper_ch(padapter, channel); 488 rtw_set_oper_bw(padapter, bwmode); 489 rtw_set_oper_choffset(padapter, channel_offset); 490 491 rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /* set center channel */ 492 493 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex)); 494 } 495 496 __inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork) 497 { 498 return pnetwork->MacAddress; 499 } 500 501 u16 get_beacon_interval(struct wlan_bssid_ex *bss) 502 { 503 __le16 val; 504 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2); 505 506 return le16_to_cpu(val); 507 508 } 509 510 int is_client_associated_to_ap(struct adapter *padapter) 511 { 512 struct mlme_ext_priv *pmlmeext; 513 struct mlme_ext_info *pmlmeinfo; 514 515 if (!padapter) 516 return _FAIL; 517 518 pmlmeext = &padapter->mlmeextpriv; 519 pmlmeinfo = &(pmlmeext->mlmext_info); 520 521 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE)) 522 return true; 523 else 524 return _FAIL; 525 } 526 527 int is_client_associated_to_ibss(struct adapter *padapter) 528 { 529 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 530 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 531 532 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 533 return true; 534 else 535 return _FAIL; 536 } 537 538 int is_IBSS_empty(struct adapter *padapter) 539 { 540 unsigned int i; 541 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 542 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 543 544 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) { 545 if (pmlmeinfo->FW_sta_info[i].status == 1) 546 return _FAIL; 547 } 548 549 return true; 550 551 } 552 553 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval) 554 { 555 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN) 556 return WAIT_FOR_BCN_TO_MIN; 557 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX) 558 return WAIT_FOR_BCN_TO_MAX; 559 else 560 return ((bcn_interval << 2)); 561 } 562 563 void invalidate_cam_all(struct adapter *padapter) 564 { 565 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 566 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 567 568 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL); 569 570 spin_lock_bh(&cam_ctl->lock); 571 cam_ctl->bitmap = 0; 572 memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY); 573 spin_unlock_bh(&cam_ctl->lock); 574 } 575 576 static u32 _ReadCAM(struct adapter *padapter, u32 addr) 577 { 578 u32 count = 0, cmd; 579 cmd = CAM_POLLINIG | addr; 580 rtw_write32(padapter, RWCAM, cmd); 581 582 do { 583 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG)) 584 break; 585 } while (count++ < 100); 586 587 return rtw_read32(padapter, REG_CAMREAD); 588 } 589 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key) 590 { 591 u32 j, addr, cmd; 592 addr = entry << 3; 593 594 /* DBG_8192C("********* DUMP CAM Entry_#%02d***************\n", entry); */ 595 for (j = 0; j < 6; j++) { 596 cmd = _ReadCAM(padapter, addr+j); 597 /* DBG_8192C("offset:0x%02x => 0x%08x\n", addr+j, cmd); */ 598 if (j > 1) /* get key from cam */ 599 memcpy(get_key+(j-2)*4, &cmd, 4); 600 } 601 /* DBG_8192C("*********************************\n"); */ 602 } 603 604 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key) 605 { 606 unsigned int i, val, addr; 607 int j; 608 u32 cam_val[2]; 609 610 addr = entry << 3; 611 612 for (j = 5; j >= 0; j--) { 613 switch (j) { 614 case 0: 615 val = (ctrl | (mac[0] << 16) | (mac[1] << 24)); 616 break; 617 case 1: 618 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24)); 619 break; 620 default: 621 i = (j - 2) << 2; 622 val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24)); 623 break; 624 } 625 626 cam_val[0] = val; 627 cam_val[1] = addr + (unsigned int)j; 628 629 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val); 630 } 631 } 632 633 void _clear_cam_entry(struct adapter *padapter, u8 entry) 634 { 635 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 636 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 637 638 _write_cam(padapter, entry, 0, null_sta, null_key); 639 } 640 641 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 642 { 643 _write_cam(adapter, id, ctrl, mac, key); 644 write_cam_cache(adapter, id, ctrl, mac, key); 645 } 646 647 inline void clear_cam_entry(struct adapter *adapter, u8 id) 648 { 649 _clear_cam_entry(adapter, id); 650 clear_cam_cache(adapter, id); 651 } 652 653 inline void write_cam_from_cache(struct adapter *adapter, u8 id) 654 { 655 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 656 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 657 struct cam_entry_cache cache; 658 659 spin_lock_bh(&cam_ctl->lock); 660 memcpy(&cache, &dvobj->cam_cache[id], sizeof(struct cam_entry_cache)); 661 spin_unlock_bh(&cam_ctl->lock); 662 663 _write_cam(adapter, id, cache.ctrl, cache.mac, cache.key); 664 } 665 666 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 667 { 668 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 669 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 670 671 spin_lock_bh(&cam_ctl->lock); 672 673 dvobj->cam_cache[id].ctrl = ctrl; 674 memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN); 675 memcpy(dvobj->cam_cache[id].key, key, 16); 676 677 spin_unlock_bh(&cam_ctl->lock); 678 } 679 680 void clear_cam_cache(struct adapter *adapter, u8 id) 681 { 682 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 683 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 684 685 spin_lock_bh(&cam_ctl->lock); 686 687 memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache)); 688 689 spin_unlock_bh(&cam_ctl->lock); 690 } 691 692 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id) 693 { 694 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 695 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 696 bool ret = false; 697 698 if (cam_id >= TOTAL_CAM_ENTRY) 699 goto exit; 700 701 if (!(cam_ctl->bitmap & BIT(cam_id))) 702 goto exit; 703 704 ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false; 705 706 exit: 707 return ret; 708 } 709 710 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 711 { 712 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 713 int i; 714 s16 cam_id = -1; 715 716 for (i = 0; i < TOTAL_CAM_ENTRY; i++) { 717 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN)) 718 continue; 719 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03)) 720 continue; 721 722 cam_id = i; 723 break; 724 } 725 726 if (addr) 727 DBG_871X(FUNC_ADPT_FMT" addr:"MAC_FMT" kid:%d, return cam_id:%d\n" 728 , FUNC_ADPT_ARG(adapter), MAC_ARG(addr), kid, cam_id); 729 else 730 DBG_871X(FUNC_ADPT_FMT" addr:%p kid:%d, return cam_id:%d\n" 731 , FUNC_ADPT_ARG(adapter), addr, kid, cam_id); 732 733 return cam_id; 734 } 735 736 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 737 { 738 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 739 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 740 s16 cam_id = -1; 741 742 spin_lock_bh(&cam_ctl->lock); 743 cam_id = _rtw_camid_search(adapter, addr, kid); 744 spin_unlock_bh(&cam_ctl->lock); 745 746 return cam_id; 747 } 748 749 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid) 750 { 751 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 752 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 753 s16 cam_id = -1; 754 struct mlme_ext_info *mlmeinfo; 755 756 spin_lock_bh(&cam_ctl->lock); 757 758 mlmeinfo = &adapter->mlmeextpriv.mlmext_info; 759 760 if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 761 && !sta) { 762 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */ 763 if (kid > 3) { 764 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key with invalid key id:%u\n" 765 , FUNC_ADPT_ARG(adapter), kid); 766 rtw_warn_on(1); 767 goto bitmap_handle; 768 } 769 770 cam_id = kid; 771 } else { 772 int i; 773 u8 *addr = sta?sta->hwaddr:NULL; 774 775 if (!sta) { 776 if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) { 777 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */ 778 goto bitmap_handle; 779 } 780 781 addr = get_bssid(&adapter->mlmepriv); 782 } 783 784 i = _rtw_camid_search(adapter, addr, kid); 785 if (i >= 0) { 786 /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */ 787 if (sta || _rtw_camid_is_gk(adapter, i) == true) 788 cam_id = i; 789 else 790 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u the same key id as pairwise key\n" 791 , FUNC_ADPT_ARG(adapter), kid); 792 goto bitmap_handle; 793 } 794 795 for (i = 4; i < TOTAL_CAM_ENTRY; i++) 796 if (!(cam_ctl->bitmap & BIT(i))) 797 break; 798 799 if (i == TOTAL_CAM_ENTRY) { 800 if (sta) 801 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" pairwise key with "MAC_FMT" id:%u no room\n" 802 , FUNC_ADPT_ARG(adapter), MAC_ARG(sta->hwaddr), kid); 803 else 804 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u no room\n" 805 , FUNC_ADPT_ARG(adapter), kid); 806 rtw_warn_on(1); 807 goto bitmap_handle; 808 } 809 810 cam_id = i; 811 } 812 813 bitmap_handle: 814 if (cam_id >= 0 && cam_id < 32) 815 cam_ctl->bitmap |= BIT(cam_id); 816 817 spin_unlock_bh(&cam_ctl->lock); 818 819 return cam_id; 820 } 821 822 void rtw_camid_free(struct adapter *adapter, u8 cam_id) 823 { 824 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 825 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 826 827 spin_lock_bh(&cam_ctl->lock); 828 829 if (cam_id < TOTAL_CAM_ENTRY) 830 cam_ctl->bitmap &= ~(BIT(cam_id)); 831 832 spin_unlock_bh(&cam_ctl->lock); 833 } 834 835 int allocate_fw_sta_entry(struct adapter *padapter) 836 { 837 unsigned int mac_id; 838 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 839 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 840 841 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) { 842 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) { 843 pmlmeinfo->FW_sta_info[mac_id].status = 1; 844 pmlmeinfo->FW_sta_info[mac_id].retry = 0; 845 break; 846 } 847 } 848 849 return mac_id; 850 } 851 852 void flush_all_cam_entry(struct adapter *padapter) 853 { 854 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 855 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 856 857 invalidate_cam_all(padapter); 858 /* clear default key related key search setting */ 859 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false); 860 861 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info)); 862 863 } 864 865 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 866 { 867 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 868 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 869 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 870 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 871 872 if (pmlmepriv->qospriv.qos_option == 0) { 873 pmlmeinfo->WMM_enable = 0; 874 return false; 875 } 876 877 if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element))) 878 return false; 879 else 880 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)); 881 882 pmlmeinfo->WMM_enable = 1; 883 return true; 884 } 885 886 void WMMOnAssocRsp(struct adapter *padapter) 887 { 888 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime; 889 u8 acm_mask; 890 u16 TXOP; 891 u32 acParm, i; 892 u32 edca[4], inx[4]; 893 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 894 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 895 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 896 struct registry_priv *pregpriv = &padapter->registrypriv; 897 898 acm_mask = 0; 899 900 if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N) 901 aSifsTime = 16; 902 else 903 aSifsTime = 10; 904 905 if (pmlmeinfo->WMM_enable == 0) { 906 padapter->mlmepriv.acm_mask = 0; 907 908 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime); 909 910 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) { 911 ECWMin = 4; 912 ECWMax = 10; 913 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) { 914 ECWMin = 5; 915 ECWMax = 10; 916 } else { 917 ECWMin = 4; 918 ECWMax = 10; 919 } 920 921 TXOP = 0; 922 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 923 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 924 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 925 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 926 927 ECWMin = 2; 928 ECWMax = 3; 929 TXOP = 0x2f; 930 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 931 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 932 } else{ 933 edca[0] = edca[1] = edca[2] = edca[3] = 0; 934 935 for (i = 0; i < 4; i++) { 936 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03; 937 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01; 938 939 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */ 940 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime; 941 942 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f); 943 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4; 944 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit); 945 946 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 947 948 switch (ACI) { 949 case 0x0: 950 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 951 acm_mask |= (ACM ? BIT(1):0); 952 edca[XMIT_BE_QUEUE] = acParm; 953 break; 954 955 case 0x1: 956 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 957 /* acm_mask |= (ACM? BIT(0):0); */ 958 edca[XMIT_BK_QUEUE] = acParm; 959 break; 960 961 case 0x2: 962 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 963 acm_mask |= (ACM ? BIT(2):0); 964 edca[XMIT_VI_QUEUE] = acParm; 965 break; 966 967 case 0x3: 968 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 969 acm_mask |= (ACM ? BIT(3):0); 970 edca[XMIT_VO_QUEUE] = acParm; 971 break; 972 } 973 974 DBG_871X("WMM(%x): %x, %x\n", ACI, ACM, acParm); 975 } 976 977 if (padapter->registrypriv.acm_method == 1) 978 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask)); 979 else 980 padapter->mlmepriv.acm_mask = acm_mask; 981 982 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; 983 984 if (pregpriv->wifi_spec == 1) { 985 u32 j, tmp, change_inx = false; 986 987 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */ 988 for (i = 0; i < 4; i++) { 989 for (j = i+1; j < 4; j++) { 990 /* compare CW and AIFS */ 991 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) { 992 change_inx = true; 993 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) { 994 /* compare TXOP */ 995 if ((edca[j] >> 16) > (edca[i] >> 16)) 996 change_inx = true; 997 } 998 999 if (change_inx) { 1000 tmp = edca[i]; 1001 edca[i] = edca[j]; 1002 edca[j] = tmp; 1003 1004 tmp = inx[i]; 1005 inx[i] = inx[j]; 1006 inx[j] = tmp; 1007 1008 change_inx = false; 1009 } 1010 } 1011 } 1012 } 1013 1014 for (i = 0; i < 4; i++) { 1015 pxmitpriv->wmm_para_seq[i] = inx[i]; 1016 DBG_871X("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]); 1017 } 1018 } 1019 } 1020 1021 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1022 { 1023 unsigned char new_bwmode; 1024 unsigned char new_ch_offset; 1025 struct HT_info_element *pHT_info; 1026 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 1027 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1028 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1029 struct registry_priv *pregistrypriv = &padapter->registrypriv; 1030 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1031 u8 cbw40_enable = 0; 1032 1033 if (!pIE) 1034 return; 1035 1036 if (phtpriv->ht_option == false) 1037 return; 1038 1039 if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80) 1040 return; 1041 1042 if (pIE->Length > sizeof(struct HT_info_element)) 1043 return; 1044 1045 pHT_info = (struct HT_info_element *)pIE->data; 1046 1047 if (pmlmeext->cur_channel > 14) { 1048 if ((pregistrypriv->bw_mode & 0xf0) > 0) 1049 cbw40_enable = 1; 1050 } else 1051 if ((pregistrypriv->bw_mode & 0x0f) > 0) 1052 cbw40_enable = 1; 1053 1054 if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) { 1055 new_bwmode = CHANNEL_WIDTH_40; 1056 1057 switch (pHT_info->infos[0] & 0x3) { 1058 case 1: 1059 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; 1060 break; 1061 1062 case 3: 1063 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; 1064 break; 1065 1066 default: 1067 new_bwmode = CHANNEL_WIDTH_20; 1068 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 1069 break; 1070 } 1071 } else{ 1072 new_bwmode = CHANNEL_WIDTH_20; 1073 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 1074 } 1075 1076 1077 if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) { 1078 pmlmeinfo->bwmode_updated = true; 1079 1080 pmlmeext->cur_bwmode = new_bwmode; 1081 pmlmeext->cur_ch_offset = new_ch_offset; 1082 1083 /* update HT info also */ 1084 HT_info_handler(padapter, pIE); 1085 } else 1086 pmlmeinfo->bwmode_updated = false; 1087 1088 1089 if (true == pmlmeinfo->bwmode_updated) { 1090 struct sta_info *psta; 1091 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1092 struct sta_priv *pstapriv = &padapter->stapriv; 1093 1094 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 1095 1096 1097 /* update ap's stainfo */ 1098 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress); 1099 if (psta) { 1100 struct ht_priv *phtpriv_sta = &psta->htpriv; 1101 1102 if (phtpriv_sta->ht_option) { 1103 /* bwmode */ 1104 psta->bw_mode = pmlmeext->cur_bwmode; 1105 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; 1106 } else{ 1107 psta->bw_mode = CHANNEL_WIDTH_20; 1108 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 1109 } 1110 1111 rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta); 1112 } 1113 } 1114 } 1115 1116 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1117 { 1118 unsigned int i; 1119 u8 rf_type; 1120 u8 max_AMPDU_len, min_MPDU_spacing; 1121 u8 cur_ldpc_cap = 0, cur_stbc_cap = 0; 1122 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1123 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1124 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1125 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1126 1127 if (pIE == NULL) 1128 return; 1129 1130 if (phtpriv->ht_option == false) 1131 return; 1132 1133 pmlmeinfo->HT_caps_enable = 1; 1134 1135 for (i = 0; i < (pIE->Length); i++) { 1136 if (i != 2) { 1137 /* Commented by Albert 2010/07/12 */ 1138 /* Got the endian issue here. */ 1139 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]); 1140 } else{ 1141 /* modify from fw by Thomas 2010/11/17 */ 1142 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3)) 1143 max_AMPDU_len = (pIE->data[i] & 0x3); 1144 else 1145 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3); 1146 1147 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c)) 1148 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c); 1149 else 1150 min_MPDU_spacing = (pIE->data[i] & 0x1c); 1151 1152 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing; 1153 } 1154 } 1155 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); 1156 1157 /* update the MCS set */ 1158 for (i = 0; i < 16; i++) 1159 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i]; 1160 1161 /* update the MCS rates */ 1162 switch (rf_type) { 1163 case RF_1T1R: 1164 case RF_1T2R: 1165 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R); 1166 break; 1167 case RF_2T2R: 1168 default: 1169 #ifdef CONFIG_DISABLE_MCS13TO15 1170 if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1) 1171 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF); 1172 else 1173 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); 1174 #else /* CONFIG_DISABLE_MCS13TO15 */ 1175 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); 1176 #endif /* CONFIG_DISABLE_MCS13TO15 */ 1177 } 1178 1179 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { 1180 /* Config STBC setting */ 1181 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data)) { 1182 SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX); 1183 DBG_871X("Enable HT Tx STBC !\n"); 1184 } 1185 phtpriv->stbc_cap = cur_stbc_cap; 1186 } else { 1187 /* Config LDPC Coding Capability */ 1188 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data)) { 1189 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX)); 1190 DBG_871X("Enable HT Tx LDPC!\n"); 1191 } 1192 phtpriv->ldpc_cap = cur_ldpc_cap; 1193 1194 /* Config STBC setting */ 1195 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data)) { 1196 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX)); 1197 DBG_871X("Enable HT Tx STBC!\n"); 1198 } 1199 phtpriv->stbc_cap = cur_stbc_cap; 1200 } 1201 } 1202 1203 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1204 { 1205 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1206 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1207 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1208 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1209 1210 if (pIE == NULL) 1211 return; 1212 1213 if (phtpriv->ht_option == false) 1214 return; 1215 1216 1217 if (pIE->Length > sizeof(struct HT_info_element)) 1218 return; 1219 1220 pmlmeinfo->HT_info_enable = 1; 1221 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length); 1222 1223 return; 1224 } 1225 1226 void HTOnAssocRsp(struct adapter *padapter) 1227 { 1228 unsigned char max_AMPDU_len; 1229 unsigned char min_MPDU_spacing; 1230 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 1231 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1232 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1233 1234 DBG_871X("%s\n", __func__); 1235 1236 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) { 1237 pmlmeinfo->HT_enable = 1; 1238 } else{ 1239 pmlmeinfo->HT_enable = 0; 1240 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 1241 return; 1242 } 1243 1244 /* handle A-MPDU parameter field */ 1245 /* 1246 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k 1247 AMPDU_para [4:2]:Min MPDU Start Spacing 1248 */ 1249 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03; 1250 1251 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2; 1252 1253 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing)); 1254 1255 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len)); 1256 } 1257 1258 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1259 { 1260 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1261 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1262 1263 if (pIE->Length > 1) 1264 return; 1265 1266 pmlmeinfo->ERP_enable = 1; 1267 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length); 1268 } 1269 1270 void VCS_update(struct adapter *padapter, struct sta_info *psta) 1271 { 1272 struct registry_priv *pregpriv = &padapter->registrypriv; 1273 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1274 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1275 1276 switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */ 1277 case 0: /* off */ 1278 psta->rtsen = 0; 1279 psta->cts2self = 0; 1280 break; 1281 1282 case 1: /* on */ 1283 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */ 1284 psta->rtsen = 1; 1285 psta->cts2self = 0; 1286 } else{ 1287 psta->rtsen = 0; 1288 psta->cts2self = 1; 1289 } 1290 break; 1291 1292 case 2: /* auto */ 1293 default: 1294 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) { 1295 if (pregpriv->vcs_type == 1) { 1296 psta->rtsen = 1; 1297 psta->cts2self = 0; 1298 } else{ 1299 psta->rtsen = 0; 1300 psta->cts2self = 1; 1301 } 1302 } else{ 1303 psta->rtsen = 0; 1304 psta->cts2self = 0; 1305 } 1306 break; 1307 } 1308 } 1309 1310 void update_ldpc_stbc_cap(struct sta_info *psta) 1311 { 1312 if (psta->htpriv.ht_option) { 1313 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX)) 1314 psta->ldpc = 1; 1315 1316 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX)) 1317 psta->stbc = 1; 1318 } else { 1319 psta->ldpc = 0; 1320 psta->stbc = 0; 1321 } 1322 } 1323 1324 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) 1325 { 1326 unsigned int len; 1327 unsigned char *p; 1328 unsigned short val16, subtype; 1329 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network); 1330 /* u8 wpa_ie[255], rsn_ie[255]; */ 1331 u16 wpa_len = 0, rsn_len = 0; 1332 u8 encryp_protocol = 0; 1333 struct wlan_bssid_ex *bssid; 1334 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0; 1335 unsigned char *pbuf; 1336 u32 wpa_ielen = 0; 1337 u8 *pbssid = GetAddr3Ptr(pframe); 1338 u32 hidden_ssid = 0; 1339 struct HT_info_element *pht_info = NULL; 1340 struct rtw_ieee80211_ht_cap *pht_cap = NULL; 1341 u32 bcn_channel; 1342 unsigned short ht_cap_info; 1343 unsigned char ht_info_infos_0; 1344 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv; 1345 1346 if (is_client_associated_to_ap(Adapter) == false) 1347 return true; 1348 1349 len = packet_len - sizeof(struct ieee80211_hdr_3addr); 1350 1351 if (len > MAX_IE_SZ) { 1352 DBG_871X("%s IE too long for survey event\n", __func__); 1353 return _FAIL; 1354 } 1355 1356 if (memcmp(cur_network->network.MacAddress, pbssid, 6)) { 1357 DBG_871X("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n" MAC_FMT MAC_FMT, 1358 MAC_ARG(pbssid), MAC_ARG(cur_network->network.MacAddress)); 1359 return true; 1360 } 1361 1362 bssid = (struct wlan_bssid_ex *)rtw_zmalloc(sizeof(struct wlan_bssid_ex)); 1363 if (bssid == NULL) { 1364 DBG_871X("%s rtw_zmalloc fail !!!\n", __func__); 1365 return true; 1366 } 1367 1368 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) { 1369 pmlmepriv->timeBcnInfoChkStart = 0; 1370 pmlmepriv->NumOfBcnInfoChkFail = 0; 1371 } 1372 1373 subtype = GetFrameSubType(pframe) >> 4; 1374 1375 if (subtype == WIFI_BEACON) 1376 bssid->Reserved[0] = 1; 1377 1378 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len; 1379 1380 /* below is to copy the information element */ 1381 bssid->IELength = len; 1382 memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength); 1383 1384 /* check bw and channel offset */ 1385 /* parsing HT_CAP_IE */ 1386 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1387 if (p && len > 0) { 1388 pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2); 1389 ht_cap_info = le16_to_cpu(pht_cap->cap_info); 1390 } else { 1391 ht_cap_info = 0; 1392 } 1393 /* parsing HT_INFO_IE */ 1394 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1395 if (p && len > 0) { 1396 pht_info = (struct HT_info_element *)(p + 2); 1397 ht_info_infos_0 = pht_info->infos[0]; 1398 } else { 1399 ht_info_infos_0 = 0; 1400 } 1401 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info || 1402 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) { 1403 DBG_871X("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__, 1404 ht_cap_info, ht_info_infos_0); 1405 DBG_871X("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__, 1406 cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0); 1407 DBG_871X("%s bw mode change\n", __func__); 1408 { 1409 /* bcn_info_update */ 1410 cur_network->BcnInfo.ht_cap_info = ht_cap_info; 1411 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0; 1412 /* to do : need to check that whether modify related register of BB or not */ 1413 } 1414 /* goto _mismatch; */ 1415 } 1416 1417 /* Checking for channel */ 1418 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1419 if (p) { 1420 bcn_channel = *(p + 2); 1421 } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */ 1422 rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1423 if (pht_info) { 1424 bcn_channel = pht_info->primary_channel; 1425 } else { /* we don't find channel IE, so don't check it */ 1426 /* DBG_871X("Oops: %s we don't find channel IE, so don't check it\n", __func__); */ 1427 bcn_channel = Adapter->mlmeextpriv.cur_channel; 1428 } 1429 } 1430 if (bcn_channel != Adapter->mlmeextpriv.cur_channel) { 1431 DBG_871X("%s beacon channel:%d cur channel:%d disconnect\n", __func__, 1432 bcn_channel, Adapter->mlmeextpriv.cur_channel); 1433 goto _mismatch; 1434 } 1435 1436 /* checking SSID */ 1437 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1438 if (p == NULL) { 1439 DBG_871X("%s marc: cannot find SSID for survey event\n", __func__); 1440 hidden_ssid = true; 1441 } else { 1442 hidden_ssid = false; 1443 } 1444 1445 if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) { 1446 memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1)); 1447 bssid->Ssid.SsidLength = *(p + 1); 1448 } else { 1449 bssid->Ssid.SsidLength = 0; 1450 bssid->Ssid.Ssid[0] = '\0'; 1451 } 1452 1453 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d " 1454 "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid, 1455 bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid, 1456 cur_network->network.Ssid.SsidLength)); 1457 1458 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) || 1459 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) { 1460 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */ 1461 DBG_871X("%s(), SSID is not match\n", __func__); 1462 goto _mismatch; 1463 } 1464 } 1465 1466 /* check encryption info */ 1467 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid); 1468 1469 if (val16 & BIT(4)) 1470 bssid->Privacy = 1; 1471 else 1472 bssid->Privacy = 0; 1473 1474 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, 1475 ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n", 1476 __func__, cur_network->network.Privacy, bssid->Privacy)); 1477 if (cur_network->network.Privacy != bssid->Privacy) { 1478 DBG_871X("%s(), privacy is not match\n", __func__); 1479 goto _mismatch; 1480 } 1481 1482 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len); 1483 1484 if (rsn_len > 0) { 1485 encryp_protocol = ENCRYP_PROTOCOL_WPA2; 1486 } else if (wpa_len > 0) { 1487 encryp_protocol = ENCRYP_PROTOCOL_WPA; 1488 } else { 1489 if (bssid->Privacy) 1490 encryp_protocol = ENCRYP_PROTOCOL_WEP; 1491 } 1492 1493 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) { 1494 DBG_871X("%s(): enctyp is not match\n", __func__); 1495 goto _mismatch; 1496 } 1497 1498 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) { 1499 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1500 if (pbuf && (wpa_ielen > 0)) { 1501 if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) { 1502 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, 1503 ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__, 1504 pairwise_cipher, group_cipher, is_8021x)); 1505 } 1506 } else { 1507 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1508 1509 if (pbuf && (wpa_ielen > 0)) { 1510 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) { 1511 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, 1512 ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n", 1513 __func__, pairwise_cipher, group_cipher, is_8021x)); 1514 } 1515 } 1516 } 1517 1518 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, 1519 ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher)); 1520 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) { 1521 DBG_871X("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match\n", __func__, 1522 pairwise_cipher, cur_network->BcnInfo.pairwise_cipher, 1523 group_cipher, cur_network->BcnInfo.group_cipher); 1524 goto _mismatch; 1525 } 1526 1527 if (is_8021x != cur_network->BcnInfo.is_8021x) { 1528 DBG_871X("%s authentication is not match\n", __func__); 1529 goto _mismatch; 1530 } 1531 } 1532 1533 kfree((u8 *)bssid); 1534 return _SUCCESS; 1535 1536 _mismatch: 1537 kfree((u8 *)bssid); 1538 1539 if (pmlmepriv->NumOfBcnInfoChkFail == 0) 1540 pmlmepriv->timeBcnInfoChkStart = jiffies; 1541 1542 pmlmepriv->NumOfBcnInfoChkFail++; 1543 DBG_871X("%s by "ADPT_FMT" - NumOfChkFail = %d (SeqNum of this Beacon frame = %d).\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail, GetSequence(pframe)); 1544 1545 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS) 1546 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) { 1547 DBG_871X("%s by "ADPT_FMT" - NumOfChkFail = %d >= threshold : %d (in %d ms), return FAIL.\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail, 1548 DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD, jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart)); 1549 pmlmepriv->timeBcnInfoChkStart = 0; 1550 pmlmepriv->NumOfBcnInfoChkFail = 0; 1551 return _FAIL; 1552 } 1553 1554 return _SUCCESS; 1555 } 1556 1557 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta) 1558 { 1559 unsigned int i; 1560 unsigned int len; 1561 struct ndis_80211_var_ie *pIE; 1562 1563 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN); 1564 1565 for (i = 0; i < len;) { 1566 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i); 1567 1568 switch (pIE->ElementID) { 1569 case _VENDOR_SPECIFIC_IE_: 1570 /* to update WMM paramter set while receiving beacon */ 1571 if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN) /* WMM */ 1572 if (WMM_param_handler(padapter, pIE)) 1573 report_wmm_edca_update(padapter); 1574 1575 break; 1576 1577 case _HT_EXTRA_INFO_IE_: /* HT info */ 1578 /* HT_info_handler(padapter, pIE); */ 1579 bwmode_update_check(padapter, pIE); 1580 break; 1581 1582 case _ERPINFO_IE_: 1583 ERP_IE_handler(padapter, pIE); 1584 VCS_update(padapter, psta); 1585 break; 1586 1587 default: 1588 break; 1589 } 1590 1591 i += (pIE->Length + 2); 1592 } 1593 } 1594 1595 unsigned int is_ap_in_tkip(struct adapter *padapter) 1596 { 1597 u32 i; 1598 struct ndis_80211_var_ie *pIE; 1599 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1600 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1601 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1602 1603 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) { 1604 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) { 1605 pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i); 1606 1607 switch (pIE->ElementID) { 1608 case _VENDOR_SPECIFIC_IE_: 1609 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4))) 1610 return true; 1611 1612 break; 1613 1614 case _RSN_IE_2_: 1615 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4)) 1616 return true; 1617 1618 default: 1619 break; 1620 } 1621 1622 i += (pIE->Length + 2); 1623 } 1624 1625 return false; 1626 } else 1627 return false; 1628 1629 } 1630 1631 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode) 1632 { 1633 unsigned char bit_offset; 1634 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1635 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1636 1637 if (!(pmlmeinfo->HT_enable)) 1638 return _FAIL; 1639 1640 bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5; 1641 1642 if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset)) 1643 return _SUCCESS; 1644 else 1645 return _FAIL; 1646 } 1647 1648 unsigned char get_highest_rate_idx(u32 mask) 1649 { 1650 int i; 1651 unsigned char rate_idx = 0; 1652 1653 for (i = 31; i >= 0; i--) { 1654 if (mask & BIT(i)) { 1655 rate_idx = i; 1656 break; 1657 } 1658 } 1659 1660 return rate_idx; 1661 } 1662 1663 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta) 1664 { 1665 rtw_hal_update_ra_mask(psta, 0); 1666 } 1667 1668 void enable_rate_adaptive(struct adapter *padapter, struct sta_info *psta); 1669 void enable_rate_adaptive(struct adapter *padapter, struct sta_info *psta) 1670 { 1671 Update_RA_Entry(padapter, psta); 1672 } 1673 1674 void set_sta_rate(struct adapter *padapter, struct sta_info *psta) 1675 { 1676 /* rate adaptive */ 1677 enable_rate_adaptive(padapter, psta); 1678 } 1679 1680 unsigned char check_assoc_AP(u8 *pframe, uint len) 1681 { 1682 unsigned int i; 1683 struct ndis_80211_var_ie *pIE; 1684 1685 for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) { 1686 pIE = (struct ndis_80211_var_ie *)(pframe + i); 1687 1688 switch (pIE->ElementID) { 1689 case _VENDOR_SPECIFIC_IE_: 1690 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) { 1691 DBG_871X("link to Artheros AP\n"); 1692 return HT_IOT_PEER_ATHEROS; 1693 } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) 1694 || (!memcmp(pIE->data, BROADCOM_OUI2, 3)) 1695 || (!memcmp(pIE->data, BROADCOM_OUI3, 3))) { 1696 DBG_871X("link to Broadcom AP\n"); 1697 return HT_IOT_PEER_BROADCOM; 1698 } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) { 1699 DBG_871X("link to Marvell AP\n"); 1700 return HT_IOT_PEER_MARVELL; 1701 } else if (!memcmp(pIE->data, RALINK_OUI, 3)) { 1702 DBG_871X("link to Ralink AP\n"); 1703 return HT_IOT_PEER_RALINK; 1704 } else if (!memcmp(pIE->data, CISCO_OUI, 3)) { 1705 DBG_871X("link to Cisco AP\n"); 1706 return HT_IOT_PEER_CISCO; 1707 } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) { 1708 u32 Vender = HT_IOT_PEER_REALTEK; 1709 1710 if (pIE->Length >= 5) { 1711 if (pIE->data[4] == 1) 1712 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */ 1713 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */ 1714 if (pIE->data[5] & RT_HT_CAP_USE_92SE) 1715 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */ 1716 Vender = HT_IOT_PEER_REALTEK_92SE; 1717 1718 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP) 1719 Vender = HT_IOT_PEER_REALTEK_SOFTAP; 1720 1721 if (pIE->data[4] == 2) { 1722 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT) { 1723 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP; 1724 DBG_871X("link to Realtek JAGUAR_BCUTAP\n"); 1725 } 1726 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT) { 1727 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP; 1728 DBG_871X("link to Realtek JAGUAR_CCUTAP\n"); 1729 } 1730 } 1731 } 1732 1733 DBG_871X("link to Realtek AP\n"); 1734 return Vender; 1735 } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) { 1736 DBG_871X("link to Airgo Cap\n"); 1737 return HT_IOT_PEER_AIRGO; 1738 } else 1739 break; 1740 1741 default: 1742 break; 1743 } 1744 1745 i += (pIE->Length + 2); 1746 } 1747 1748 DBG_871X("link to new AP\n"); 1749 return HT_IOT_PEER_UNKNOWN; 1750 } 1751 1752 void update_IOT_info(struct adapter *padapter) 1753 { 1754 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1755 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1756 1757 switch (pmlmeinfo->assoc_AP_vendor) { 1758 case HT_IOT_PEER_MARVELL: 1759 pmlmeinfo->turboMode_cts2self = 1; 1760 pmlmeinfo->turboMode_rtsen = 0; 1761 break; 1762 1763 case HT_IOT_PEER_RALINK: 1764 pmlmeinfo->turboMode_cts2self = 0; 1765 pmlmeinfo->turboMode_rtsen = 1; 1766 /* disable high power */ 1767 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1768 break; 1769 case HT_IOT_PEER_REALTEK: 1770 /* rtw_write16(padapter, 0x4cc, 0xffff); */ 1771 /* rtw_write16(padapter, 0x546, 0x01c0); */ 1772 /* disable high power */ 1773 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1774 break; 1775 default: 1776 pmlmeinfo->turboMode_cts2self = 0; 1777 pmlmeinfo->turboMode_rtsen = 1; 1778 break; 1779 } 1780 1781 } 1782 1783 void update_capinfo(struct adapter *Adapter, u16 updateCap) 1784 { 1785 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; 1786 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1787 bool ShortPreamble; 1788 1789 /* Check preamble mode, 2005.01.06, by rcnjko. */ 1790 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */ 1791 /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */ 1792 { 1793 1794 if (updateCap & cShortPreamble) { 1795 /* Short Preamble */ 1796 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */ 1797 ShortPreamble = true; 1798 pmlmeinfo->preamble_mode = PREAMBLE_SHORT; 1799 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1800 } 1801 } else{ 1802 /* Long Preamble */ 1803 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */ 1804 ShortPreamble = false; 1805 pmlmeinfo->preamble_mode = PREAMBLE_LONG; 1806 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1807 } 1808 } 1809 } 1810 1811 if (updateCap & cIBSS) 1812 /* Filen: See 802.11-2007 p.91 */ 1813 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1814 else { 1815 /* Filen: See 802.11-2007 p.90 */ 1816 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC)) 1817 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1818 else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) { 1819 if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */) 1820 /* Short Slot Time */ 1821 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1822 else 1823 /* Long Slot Time */ 1824 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1825 } else 1826 /* B Mode */ 1827 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1828 } 1829 1830 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime); 1831 1832 } 1833 1834 void update_wireless_mode(struct adapter *padapter) 1835 { 1836 int ratelen, network_type = 0; 1837 u32 SIFS_Timer; 1838 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1839 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1840 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1841 unsigned char *rate = cur_network->SupportedRates; 1842 1843 ratelen = rtw_get_rateset_len(cur_network->SupportedRates); 1844 1845 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) 1846 pmlmeinfo->HT_enable = 1; 1847 1848 if (pmlmeext->cur_channel > 14) { 1849 if (pmlmeinfo->VHT_enable) 1850 network_type = WIRELESS_11AC; 1851 else if (pmlmeinfo->HT_enable) 1852 network_type = WIRELESS_11_5N; 1853 1854 network_type |= WIRELESS_11A; 1855 } else{ 1856 if (pmlmeinfo->VHT_enable) 1857 network_type = WIRELESS_11AC; 1858 else if (pmlmeinfo->HT_enable) 1859 network_type = WIRELESS_11_24N; 1860 1861 if ((cckratesonly_included(rate, ratelen)) == true) 1862 network_type |= WIRELESS_11B; 1863 else if ((cckrates_included(rate, ratelen)) == true) 1864 network_type |= WIRELESS_11BG; 1865 else 1866 network_type |= WIRELESS_11G; 1867 } 1868 1869 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode; 1870 1871 SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */ 1872 /* change this value if having IOT issues. */ 1873 1874 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer); 1875 1876 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode)); 1877 1878 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) 1879 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB); 1880 else 1881 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB); 1882 } 1883 1884 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode) 1885 { 1886 if (IsSupportedTxCCK(wireless_mode)) { 1887 /* Only B, B/G, and B/G/N AP could use CCK rate */ 1888 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4); 1889 psta->bssratelen = 4; 1890 } else{ 1891 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3); 1892 psta->bssratelen = 3; 1893 } 1894 } 1895 1896 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx) 1897 { 1898 unsigned int ie_len; 1899 struct ndis_80211_var_ie *pIE; 1900 int supportRateNum = 0; 1901 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); 1902 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1903 1904 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len); 1905 if (pIE == NULL) 1906 return _FAIL; 1907 1908 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len); 1909 supportRateNum = ie_len; 1910 1911 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len); 1912 if (pIE) 1913 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len); 1914 1915 return _SUCCESS; 1916 1917 } 1918 1919 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr) 1920 { 1921 struct sta_info *psta; 1922 u16 tid, start_seq, param; 1923 struct recv_reorder_ctrl *preorder_ctrl; 1924 struct sta_priv *pstapriv = &padapter->stapriv; 1925 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req; 1926 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1927 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1928 1929 psta = rtw_get_stainfo(pstapriv, addr); 1930 1931 if (psta) { 1932 start_seq = le16_to_cpu(preq->BA_starting_seqctrl) >> 4; 1933 1934 param = le16_to_cpu(preq->BA_para_set); 1935 tid = (param>>2)&0x0f; 1936 1937 preorder_ctrl = &psta->recvreorder_ctrl[tid]; 1938 1939 #ifdef CONFIG_UPDATE_INDICATE_SEQ_WHILE_PROCESS_ADDBA_REQ 1940 preorder_ctrl->indicate_seq = start_seq; 1941 #ifdef DBG_RX_SEQ 1942 DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, start_seq: %d\n", __func__, __LINE__, 1943 preorder_ctrl->indicate_seq, start_seq); 1944 #endif 1945 #else 1946 preorder_ctrl->indicate_seq = 0xffff; 1947 #endif 1948 1949 preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq == true) ? true : false; 1950 } 1951 1952 } 1953 1954 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1955 { 1956 u8 *pIE; 1957 __le32 *pbuf; 1958 1959 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1960 pbuf = (__le32 *)pIE; 1961 1962 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1)); 1963 1964 pmlmeext->TSFValue = pmlmeext->TSFValue << 32; 1965 1966 pmlmeext->TSFValue |= le32_to_cpu(*pbuf); 1967 } 1968 1969 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext) 1970 { 1971 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL); 1972 } 1973 1974 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1975 { 1976 int i; 1977 u8 *pIE; 1978 __le32 *pbuf; 1979 u64 tsf = 0; 1980 u32 delay_ms; 1981 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1982 1983 1984 pmlmeext->bcn_cnt++; 1985 1986 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1987 pbuf = (__le32 *)pIE; 1988 1989 tsf = le32_to_cpu(*(pbuf+1)); 1990 tsf = tsf << 32; 1991 tsf |= le32_to_cpu(*pbuf); 1992 1993 /* DBG_871X("%s(): tsf_upper = 0x%08x, tsf_lower = 0x%08x\n", __func__, (u32)(tsf>>32), (u32)tsf); */ 1994 1995 /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */ 1996 /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */ 1997 delay_ms = rtw_modular64(tsf, (pmlmeinfo->bcn_interval*1024)); 1998 delay_ms = delay_ms/1000; 1999 2000 if (delay_ms >= 8) 2001 pmlmeext->bcn_delay_cnt[8]++; 2002 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */ 2003 else 2004 pmlmeext->bcn_delay_cnt[delay_ms]++; 2005 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */ 2006 2007 /* 2008 DBG_871X("%s(): (a)bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt); 2009 2010 2011 for (i = 0; i<9; i++) 2012 { 2013 DBG_871X("%s():bcn_delay_cnt[%d]=%d, bcn_delay_ratio[%d]=%d\n", __func__, i, 2014 pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]); 2015 } 2016 */ 2017 2018 /* dump for adaptive_early_32k */ 2019 if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) { 2020 u8 ratio_20_delay, ratio_80_delay; 2021 u8 DrvBcnEarly, DrvBcnTimeOut; 2022 2023 ratio_20_delay = 0; 2024 ratio_80_delay = 0; 2025 DrvBcnEarly = 0xff; 2026 DrvBcnTimeOut = 0xff; 2027 2028 DBG_871X("%s(): bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt); 2029 2030 for (i = 0; i < 9; i++) { 2031 pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt; 2032 2033 2034 DBG_871X("%s():bcn_delay_cnt[%d]=%d, bcn_delay_ratio[%d]=%d\n", __func__, i, 2035 pmlmeext->bcn_delay_cnt[i], i, pmlmeext->bcn_delay_ratio[i]); 2036 2037 ratio_20_delay += pmlmeext->bcn_delay_ratio[i]; 2038 ratio_80_delay += pmlmeext->bcn_delay_ratio[i]; 2039 2040 if (ratio_20_delay > 20 && DrvBcnEarly == 0xff) { 2041 DrvBcnEarly = i; 2042 DBG_871X("%s(): DrvBcnEarly = %d\n", __func__, DrvBcnEarly); 2043 } 2044 2045 if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff) { 2046 DrvBcnTimeOut = i; 2047 DBG_871X("%s(): DrvBcnTimeOut = %d\n", __func__, DrvBcnTimeOut); 2048 } 2049 2050 /* reset adaptive_early_32k cnt */ 2051 pmlmeext->bcn_delay_cnt[i] = 0; 2052 pmlmeext->bcn_delay_ratio[i] = 0; 2053 } 2054 2055 pmlmeext->DrvBcnEarly = DrvBcnEarly; 2056 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut; 2057 2058 pmlmeext->bcn_cnt = 0; 2059 } 2060 2061 } 2062 2063 2064 void beacon_timing_control(struct adapter *padapter) 2065 { 2066 rtw_hal_bcn_related_reg_setting(padapter); 2067 } 2068 2069 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta) 2070 { 2071 int i; 2072 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 2073 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 2074 2075 2076 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 2077 return; 2078 2079 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) { 2080 psta->mac_id = NUM_STA; 2081 return; 2082 } 2083 2084 spin_lock_bh(&pdvobj->lock); 2085 for (i = 0; i < NUM_STA; i++) { 2086 if (pdvobj->macid[i] == false) { 2087 pdvobj->macid[i] = true; 2088 break; 2089 } 2090 } 2091 spin_unlock_bh(&pdvobj->lock); 2092 2093 if (i > (NUM_STA-1)) { 2094 psta->mac_id = NUM_STA; 2095 DBG_871X(" no room for more MACIDs\n"); 2096 } else{ 2097 psta->mac_id = i; 2098 DBG_871X("%s = %d\n", __func__, psta->mac_id); 2099 } 2100 2101 } 2102 2103 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta) 2104 { 2105 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 2106 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 2107 2108 2109 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 2110 return; 2111 2112 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) 2113 return; 2114 2115 spin_lock_bh(&pdvobj->lock); 2116 if (psta->mac_id < NUM_STA && psta->mac_id != 1) { 2117 if (pdvobj->macid[psta->mac_id] == true) { 2118 DBG_871X("%s = %d\n", __func__, psta->mac_id); 2119 pdvobj->macid[psta->mac_id] = false; 2120 psta->mac_id = NUM_STA; 2121 } 2122 2123 } 2124 spin_unlock_bh(&pdvobj->lock); 2125 2126 } 2127 /* For 8188E RA */ 2128 u8 rtw_search_max_mac_id(struct adapter *padapter) 2129 { 2130 u8 max_mac_id = 0; 2131 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 2132 int i; 2133 spin_lock_bh(&pdvobj->lock); 2134 for (i = (NUM_STA-1); i >= 0 ; i--) { 2135 if (pdvobj->macid[i] == true) 2136 break; 2137 } 2138 max_mac_id = i; 2139 spin_unlock_bh(&pdvobj->lock); 2140 2141 return max_mac_id; 2142 2143 } 2144 2145 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj) 2146 { 2147 if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0) 2148 return NULL; 2149 2150 return dvobj->padapters; 2151 } 2152 2153 #ifdef CONFIG_GPIO_API 2154 int rtw_get_gpio(struct net_device *netdev, int gpio_num) 2155 { 2156 u8 value; 2157 u8 direction; 2158 struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev); 2159 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(adapter); 2160 2161 rtw_ps_deny(adapter, PS_DENY_IOCTL); 2162 2163 DBG_871X("rf_pwrstate = 0x%02x\n", pwrpriv->rf_pwrstate); 2164 LeaveAllPowerSaveModeDirect(adapter); 2165 2166 /* Read GPIO Direction */ 2167 direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num; 2168 2169 /* According the direction to read register value */ 2170 if (direction) 2171 value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & BIT(gpio_num)) >> gpio_num; 2172 else 2173 value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL) & BIT(gpio_num)) >> gpio_num; 2174 2175 rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL); 2176 DBG_871X("%s direction =%d value =%d\n", __func__, direction, value); 2177 2178 return value; 2179 } 2180 EXPORT_SYMBOL(rtw_get_gpio); 2181 2182 int rtw_set_gpio_output_value(struct net_device *netdev, int gpio_num, bool isHigh) 2183 { 2184 u8 direction = 0; 2185 u8 res = -1; 2186 struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev); 2187 2188 /* Check GPIO is 4~7 */ 2189 if (gpio_num > 7 || gpio_num < 4) { 2190 DBG_871X("%s The gpio number does not included 4~7.\n", __func__); 2191 return -1; 2192 } 2193 2194 rtw_ps_deny(adapter, PS_DENY_IOCTL); 2195 2196 LeaveAllPowerSaveModeDirect(adapter); 2197 2198 /* Read GPIO direction */ 2199 direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num; 2200 2201 /* If GPIO is output direction, setting value. */ 2202 if (direction) { 2203 if (isHigh) 2204 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) | BIT(gpio_num)); 2205 else 2206 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & ~BIT(gpio_num)); 2207 2208 DBG_871X("%s Set gpio %x[%d]=%d\n", __func__, REG_GPIO_PIN_CTRL+1, gpio_num, isHigh); 2209 res = 0; 2210 } else{ 2211 DBG_871X("%s The gpio is input, not be set!\n", __func__); 2212 res = -1; 2213 } 2214 2215 rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL); 2216 return res; 2217 } 2218 EXPORT_SYMBOL(rtw_set_gpio_output_value); 2219 2220 int rtw_config_gpio(struct net_device *netdev, int gpio_num, bool isOutput) 2221 { 2222 struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev); 2223 2224 if (gpio_num > 7 || gpio_num < 4) { 2225 DBG_871X("%s The gpio number does not included 4~7.\n", __func__); 2226 return -1; 2227 } 2228 2229 DBG_871X("%s gpio_num =%d direction =%d\n", __func__, gpio_num, isOutput); 2230 2231 rtw_ps_deny(adapter, PS_DENY_IOCTL); 2232 2233 LeaveAllPowerSaveModeDirect(adapter); 2234 2235 if (isOutput) 2236 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) | BIT(gpio_num)); 2237 else 2238 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & ~BIT(gpio_num)); 2239 2240 rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL); 2241 2242 return 0; 2243 } 2244 EXPORT_SYMBOL(rtw_config_gpio); 2245 #endif 2246 2247 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN) 2248 void rtw_get_current_ip_address(struct adapter *padapter, u8 *pcurrentip) 2249 { 2250 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 2251 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 2252 struct in_device *my_ip_ptr = padapter->pnetdev->ip_ptr; 2253 u8 ipaddress[4]; 2254 2255 if ((pmlmeinfo->state & WIFI_FW_LINKING_STATE) || 2256 pmlmeinfo->state & WIFI_FW_AP_STATE) { 2257 if (my_ip_ptr != NULL) { 2258 struct in_ifaddr *my_ifa_list = my_ip_ptr->ifa_list; 2259 if (my_ifa_list != NULL) { 2260 ipaddress[0] = my_ifa_list->ifa_address & 0xFF; 2261 ipaddress[1] = (my_ifa_list->ifa_address >> 8) & 0xFF; 2262 ipaddress[2] = (my_ifa_list->ifa_address >> 16) & 0xFF; 2263 ipaddress[3] = my_ifa_list->ifa_address >> 24; 2264 DBG_871X("%s: %d.%d.%d.%d ==========\n", __func__, 2265 ipaddress[0], ipaddress[1], ipaddress[2], ipaddress[3]); 2266 memcpy(pcurrentip, ipaddress, 4); 2267 } 2268 } 2269 } 2270 } 2271 #endif 2272 #ifdef CONFIG_WOWLAN 2273 void rtw_get_sec_iv(struct adapter *padapter, u8 *pcur_dot11txpn, u8 *StaAddr) 2274 { 2275 struct sta_info *psta; 2276 struct security_priv *psecpriv = &padapter->securitypriv; 2277 2278 memset(pcur_dot11txpn, 0, 8); 2279 if (NULL == StaAddr) 2280 return; 2281 psta = rtw_get_stainfo(&padapter->stapriv, StaAddr); 2282 DBG_871X("%s(): StaAddr: %02x %02x %02x %02x %02x %02x\n", 2283 __func__, StaAddr[0], StaAddr[1], StaAddr[2], 2284 StaAddr[3], StaAddr[4], StaAddr[5]); 2285 2286 if (psta) { 2287 if (psecpriv->dot11PrivacyAlgrthm != _NO_PRIVACY_ && psta->dot11txpn.val > 0) 2288 psta->dot11txpn.val--; 2289 AES_IV(pcur_dot11txpn, psta->dot11txpn, 0); 2290 2291 DBG_871X("%s(): CurrentIV: %02x %02x %02x %02x %02x %02x %02x %02x\n" 2292 , __func__, pcur_dot11txpn[0], pcur_dot11txpn[1], 2293 pcur_dot11txpn[2], pcur_dot11txpn[3], pcur_dot11txpn[4], 2294 pcur_dot11txpn[5], pcur_dot11txpn[6], pcur_dot11txpn[7]); 2295 } 2296 } 2297 void rtw_set_sec_pn(struct adapter *padapter) 2298 { 2299 struct sta_info *psta; 2300 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); 2301 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 2302 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter); 2303 struct security_priv *psecpriv = &padapter->securitypriv; 2304 2305 psta = rtw_get_stainfo(&padapter->stapriv, 2306 get_my_bssid(&pmlmeinfo->network)); 2307 2308 if (psta) { 2309 if (pwrpriv->wowlan_fw_iv > psta->dot11txpn.val) { 2310 if (psecpriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) 2311 psta->dot11txpn.val = pwrpriv->wowlan_fw_iv + 2; 2312 } else { 2313 DBG_871X("%s(): FW IV is smaller than driver\n", __func__); 2314 psta->dot11txpn.val += 2; 2315 } 2316 DBG_871X("%s: dot11txpn: 0x%016llx\n", __func__, psta->dot11txpn.val); 2317 } 2318 } 2319 #endif /* CONFIG_WOWLAN */ 2320 2321 #ifdef CONFIG_PNO_SUPPORT 2322 #define CSCAN_TLV_TYPE_SSID_IE 'S' 2323 #define CIPHER_IE "key_mgmt =" 2324 #define CIPHER_NONE "NONE" 2325 #define CIPHER_WPA_PSK "WPA-PSK" 2326 #define CIPHER_WPA_EAP "WPA-EAP IEEE8021X" 2327 2328 #endif /* CONFIG_PNO_SUPPORT */ 2329