1 // SPDX-License-Identifier: GPL-2.0 2 /****************************************************************************** 3 * 4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. 5 * 6 ******************************************************************************/ 7 #define _RTW_WLAN_UTIL_C_ 8 9 #include <drv_types.h> 10 #include <rtw_debug.h> 11 #include <hal_com_h2c.h> 12 13 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f}; 14 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74}; 15 16 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18}; 17 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7}; 18 static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5}; 19 20 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96}; 21 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43}; 22 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43}; 23 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c}; 24 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5}; 25 static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02}; 26 static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02}; 27 28 #define R2T_PHY_DELAY (0) 29 30 /* define WAIT_FOR_BCN_TO_MIN (3000) */ 31 #define WAIT_FOR_BCN_TO_MIN (6000) 32 #define WAIT_FOR_BCN_TO_MAX (20000) 33 34 #define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000 35 #define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3 36 37 static u8 rtw_basic_rate_cck[4] = { 38 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK, 39 IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK, 40 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK, 41 IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK 42 }; 43 44 static u8 rtw_basic_rate_ofdm[3] = { 45 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK, 46 IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK, 47 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK 48 }; 49 50 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta) 51 { 52 u8 raid, cur_rf_type, rf_type = RF_1T1R; 53 54 rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type)); 55 56 if (cur_rf_type == RF_1T1R) { 57 rf_type = RF_1T1R; 58 } else if (IsSupportedVHT(psta->wireless_mode)) { 59 if (psta->ra_mask & 0xffc00000) 60 rf_type = RF_2T2R; 61 } else if (IsSupportedHT(psta->wireless_mode)) { 62 if (psta->ra_mask & 0xfff00000) 63 rf_type = RF_2T2R; 64 } 65 66 switch (psta->wireless_mode) { 67 case WIRELESS_11B: 68 raid = RATEID_IDX_B; 69 break; 70 case WIRELESS_11A: 71 case WIRELESS_11G: 72 raid = RATEID_IDX_G; 73 break; 74 case WIRELESS_11BG: 75 raid = RATEID_IDX_BG; 76 break; 77 case WIRELESS_11_24N: 78 case WIRELESS_11_5N: 79 case WIRELESS_11A_5N: 80 case WIRELESS_11G_24N: 81 if (rf_type == RF_2T2R) 82 raid = RATEID_IDX_GN_N2SS; 83 else 84 raid = RATEID_IDX_GN_N1SS; 85 break; 86 case WIRELESS_11B_24N: 87 case WIRELESS_11BG_24N: 88 if (psta->bw_mode == CHANNEL_WIDTH_20) { 89 if (rf_type == RF_2T2R) 90 raid = RATEID_IDX_BGN_20M_2SS_BN; 91 else 92 raid = RATEID_IDX_BGN_20M_1SS_BN; 93 } else { 94 if (rf_type == RF_2T2R) 95 raid = RATEID_IDX_BGN_40M_2SS; 96 else 97 raid = RATEID_IDX_BGN_40M_1SS; 98 } 99 break; 100 default: 101 raid = RATEID_IDX_BGN_40M_2SS; 102 break; 103 } 104 return raid; 105 } 106 107 unsigned char ratetbl_val_2wifirate(unsigned char rate); 108 unsigned char ratetbl_val_2wifirate(unsigned char rate) 109 { 110 switch (rate & 0x7f) { 111 case 0: 112 return IEEE80211_CCK_RATE_1MB; 113 case 1: 114 return IEEE80211_CCK_RATE_2MB; 115 case 2: 116 return IEEE80211_CCK_RATE_5MB; 117 case 3: 118 return IEEE80211_CCK_RATE_11MB; 119 case 4: 120 return IEEE80211_OFDM_RATE_6MB; 121 case 5: 122 return IEEE80211_OFDM_RATE_9MB; 123 case 6: 124 return IEEE80211_OFDM_RATE_12MB; 125 case 7: 126 return IEEE80211_OFDM_RATE_18MB; 127 case 8: 128 return IEEE80211_OFDM_RATE_24MB; 129 case 9: 130 return IEEE80211_OFDM_RATE_36MB; 131 case 10: 132 return IEEE80211_OFDM_RATE_48MB; 133 case 11: 134 return IEEE80211_OFDM_RATE_54MB; 135 default: 136 return 0; 137 } 138 } 139 140 int is_basicrate(struct adapter *padapter, unsigned char rate); 141 int is_basicrate(struct adapter *padapter, unsigned char rate) 142 { 143 int i; 144 unsigned char val; 145 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 146 147 for (i = 0; i < NumRates; i++) { 148 val = pmlmeext->basicrate[i]; 149 150 if ((val != 0xff) && (val != 0xfe)) 151 if (rate == ratetbl_val_2wifirate(val)) 152 return true; 153 } 154 155 return false; 156 } 157 158 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset); 159 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset) 160 { 161 int i; 162 unsigned char rate; 163 unsigned int len = 0; 164 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 165 166 for (i = 0; i < NumRates; i++) { 167 rate = pmlmeext->datarate[i]; 168 169 switch (rate) { 170 case 0xff: 171 return len; 172 173 case 0xfe: 174 continue; 175 176 default: 177 rate = ratetbl_val_2wifirate(rate); 178 179 if (is_basicrate(padapter, rate) == true) 180 rate |= IEEE80211_BASIC_RATE_MASK; 181 182 rateset[len] = rate; 183 len++; 184 break; 185 } 186 } 187 return len; 188 } 189 190 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len) 191 { 192 unsigned char supportedrates[NumRates]; 193 194 memset(supportedrates, 0, NumRates); 195 *bssrate_len = ratetbl2rateset(padapter, supportedrates); 196 memcpy(pbssrate, supportedrates, *bssrate_len); 197 } 198 199 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask) 200 { 201 u8 mcs_rate_1r = (u8)(mask&0xff); 202 u8 mcs_rate_2r = (u8)((mask>>8)&0xff); 203 u8 mcs_rate_3r = (u8)((mask>>16)&0xff); 204 u8 mcs_rate_4r = (u8)((mask>>24)&0xff); 205 206 mcs_set[0] &= mcs_rate_1r; 207 mcs_set[1] &= mcs_rate_2r; 208 mcs_set[2] &= mcs_rate_3r; 209 mcs_set[3] &= mcs_rate_4r; 210 } 211 212 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS) 213 { 214 u8 i; 215 u8 rate; 216 217 /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */ 218 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) { 219 rate = mBratesOS[i] & 0x7f; 220 switch (rate) { 221 case IEEE80211_CCK_RATE_1MB: 222 case IEEE80211_CCK_RATE_2MB: 223 case IEEE80211_CCK_RATE_5MB: 224 case IEEE80211_CCK_RATE_11MB: 225 case IEEE80211_OFDM_RATE_6MB: 226 case IEEE80211_OFDM_RATE_12MB: 227 case IEEE80211_OFDM_RATE_24MB: 228 mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK; 229 break; 230 } 231 } 232 } 233 234 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen) 235 { 236 u8 i; 237 u8 rate; 238 239 for (i = 0; i < bssratelen; i++) { 240 rate = bssrateset[i] & 0x7f; 241 switch (rate) { 242 case IEEE80211_CCK_RATE_1MB: 243 case IEEE80211_CCK_RATE_2MB: 244 case IEEE80211_CCK_RATE_5MB: 245 case IEEE80211_CCK_RATE_11MB: 246 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK; 247 break; 248 } 249 } 250 } 251 252 void Save_DM_Func_Flag(struct adapter *padapter) 253 { 254 u8 bSaveFlag = true; 255 256 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag)); 257 } 258 259 void Restore_DM_Func_Flag(struct adapter *padapter) 260 { 261 u8 bSaveFlag = false; 262 263 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag)); 264 } 265 266 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable) 267 { 268 if (enable == true) 269 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode)); 270 else 271 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode)); 272 } 273 274 void Set_MSR(struct adapter *padapter, u8 type) 275 { 276 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type)); 277 } 278 279 inline u8 rtw_get_oper_ch(struct adapter *adapter) 280 { 281 return adapter_to_dvobj(adapter)->oper_channel; 282 } 283 284 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch) 285 { 286 #ifdef DBG_CH_SWITCH 287 const int len = 128; 288 char msg[128] = {0}; 289 int cnt = 0; 290 int i = 0; 291 #endif /* DBG_CH_SWITCH */ 292 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 293 294 if (dvobj->oper_channel != ch) { 295 dvobj->on_oper_ch_time = jiffies; 296 297 #ifdef DBG_CH_SWITCH 298 cnt += scnprintf(msg+cnt, len-cnt, "switch to ch %3u", ch); 299 300 for (i = 0; i < dvobj->iface_nums; i++) { 301 struct adapter *iface = dvobj->padapters[i]; 302 303 cnt += scnprintf(msg+cnt, len-cnt, " [%s:", ADPT_ARG(iface)); 304 if (iface->mlmeextpriv.cur_channel == ch) 305 cnt += scnprintf(msg+cnt, len-cnt, "C"); 306 else 307 cnt += scnprintf(msg+cnt, len-cnt, "_"); 308 if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE)) 309 cnt += scnprintf(msg+cnt, len-cnt, "L"); 310 else 311 cnt += scnprintf(msg+cnt, len-cnt, "_"); 312 cnt += scnprintf(msg+cnt, len-cnt, "]"); 313 } 314 315 DBG_871X(FUNC_ADPT_FMT" %s\n", FUNC_ADPT_ARG(adapter), msg); 316 #endif /* DBG_CH_SWITCH */ 317 } 318 319 dvobj->oper_channel = ch; 320 } 321 322 inline u8 rtw_get_oper_bw(struct adapter *adapter) 323 { 324 return adapter_to_dvobj(adapter)->oper_bwmode; 325 } 326 327 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw) 328 { 329 adapter_to_dvobj(adapter)->oper_bwmode = bw; 330 } 331 332 inline u8 rtw_get_oper_choffset(struct adapter *adapter) 333 { 334 return adapter_to_dvobj(adapter)->oper_ch_offset; 335 } 336 337 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset) 338 { 339 adapter_to_dvobj(adapter)->oper_ch_offset = offset; 340 } 341 342 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset) 343 { 344 u8 center_ch = channel; 345 346 if (chnl_bw == CHANNEL_WIDTH_80) { 347 center_ch = 7; 348 } else if (chnl_bw == CHANNEL_WIDTH_40) { 349 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER) 350 center_ch = channel + 2; 351 else 352 center_ch = channel - 2; 353 } 354 355 return center_ch; 356 } 357 358 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter) 359 { 360 if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel) 361 return adapter_to_dvobj(adapter)->on_oper_ch_time; 362 else 363 return 0; 364 } 365 366 void SelectChannel(struct adapter *padapter, unsigned char channel) 367 { 368 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) 369 return; 370 371 /* saved channel info */ 372 rtw_set_oper_ch(padapter, channel); 373 374 rtw_hal_set_chan(padapter, channel); 375 376 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex)); 377 } 378 379 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode) 380 { 381 u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 382 383 if (padapter->bNotifyChannelChange) 384 DBG_871X("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode); 385 386 center_ch = rtw_get_center_ch(channel, bwmode, channel_offset); 387 388 if (bwmode == CHANNEL_WIDTH_80) { 389 if (center_ch > channel) 390 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER; 391 else if (center_ch < channel) 392 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER; 393 else 394 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 395 } 396 397 /* set Channel */ 398 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) 399 return; 400 401 /* saved channel/bw info */ 402 rtw_set_oper_ch(padapter, channel); 403 rtw_set_oper_bw(padapter, bwmode); 404 rtw_set_oper_choffset(padapter, channel_offset); 405 406 rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /* set center channel */ 407 408 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex)); 409 } 410 411 inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork) 412 { 413 return pnetwork->MacAddress; 414 } 415 416 u16 get_beacon_interval(struct wlan_bssid_ex *bss) 417 { 418 __le16 val; 419 420 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2); 421 422 return le16_to_cpu(val); 423 } 424 425 int is_client_associated_to_ap(struct adapter *padapter) 426 { 427 struct mlme_ext_priv *pmlmeext; 428 struct mlme_ext_info *pmlmeinfo; 429 430 if (!padapter) 431 return _FAIL; 432 433 pmlmeext = &padapter->mlmeextpriv; 434 pmlmeinfo = &(pmlmeext->mlmext_info); 435 436 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE)) 437 return true; 438 else 439 return _FAIL; 440 } 441 442 int is_client_associated_to_ibss(struct adapter *padapter) 443 { 444 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 445 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 446 447 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 448 return true; 449 else 450 return _FAIL; 451 } 452 453 int is_IBSS_empty(struct adapter *padapter) 454 { 455 unsigned int i; 456 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 457 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 458 459 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) { 460 if (pmlmeinfo->FW_sta_info[i].status == 1) 461 return _FAIL; 462 } 463 464 return true; 465 } 466 467 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval) 468 { 469 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN) 470 return WAIT_FOR_BCN_TO_MIN; 471 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX) 472 return WAIT_FOR_BCN_TO_MAX; 473 else 474 return bcn_interval << 2; 475 } 476 477 void invalidate_cam_all(struct adapter *padapter) 478 { 479 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 480 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 481 482 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL); 483 484 spin_lock_bh(&cam_ctl->lock); 485 cam_ctl->bitmap = 0; 486 memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY); 487 spin_unlock_bh(&cam_ctl->lock); 488 } 489 490 static u32 _ReadCAM(struct adapter *padapter, u32 addr) 491 { 492 u32 count = 0, cmd; 493 494 cmd = CAM_POLLINIG | addr; 495 rtw_write32(padapter, RWCAM, cmd); 496 497 do { 498 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG)) 499 break; 500 } while (count++ < 100); 501 502 return rtw_read32(padapter, REG_CAMREAD); 503 } 504 505 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key) 506 { 507 u32 j, addr, cmd; 508 509 addr = entry << 3; 510 511 /* DBG_8192C("********* DUMP CAM Entry_#%02d***************\n", entry); */ 512 for (j = 0; j < 6; j++) { 513 cmd = _ReadCAM(padapter, addr+j); 514 /* DBG_8192C("offset:0x%02x => 0x%08x\n", addr+j, cmd); */ 515 if (j > 1) /* get key from cam */ 516 memcpy(get_key+(j-2)*4, &cmd, 4); 517 } 518 /* DBG_8192C("*********************************\n"); */ 519 } 520 521 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key) 522 { 523 unsigned int i, val, addr; 524 int j; 525 u32 cam_val[2]; 526 527 addr = entry << 3; 528 529 for (j = 5; j >= 0; j--) { 530 switch (j) { 531 case 0: 532 val = (ctrl | (mac[0] << 16) | (mac[1] << 24)); 533 break; 534 case 1: 535 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24)); 536 break; 537 default: 538 i = (j - 2) << 2; 539 val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24)); 540 break; 541 } 542 543 cam_val[0] = val; 544 cam_val[1] = addr + (unsigned int)j; 545 546 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val); 547 } 548 } 549 550 void _clear_cam_entry(struct adapter *padapter, u8 entry) 551 { 552 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 553 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 554 555 _write_cam(padapter, entry, 0, null_sta, null_key); 556 } 557 558 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 559 { 560 _write_cam(adapter, id, ctrl, mac, key); 561 write_cam_cache(adapter, id, ctrl, mac, key); 562 } 563 564 inline void clear_cam_entry(struct adapter *adapter, u8 id) 565 { 566 _clear_cam_entry(adapter, id); 567 clear_cam_cache(adapter, id); 568 } 569 570 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 571 { 572 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 573 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 574 575 spin_lock_bh(&cam_ctl->lock); 576 577 dvobj->cam_cache[id].ctrl = ctrl; 578 memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN); 579 memcpy(dvobj->cam_cache[id].key, key, 16); 580 581 spin_unlock_bh(&cam_ctl->lock); 582 } 583 584 void clear_cam_cache(struct adapter *adapter, u8 id) 585 { 586 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 587 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 588 589 spin_lock_bh(&cam_ctl->lock); 590 591 memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache)); 592 593 spin_unlock_bh(&cam_ctl->lock); 594 } 595 596 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id) 597 { 598 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 599 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 600 bool ret = false; 601 602 if (cam_id >= TOTAL_CAM_ENTRY) 603 goto exit; 604 605 if (!(cam_ctl->bitmap & BIT(cam_id))) 606 goto exit; 607 608 ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false; 609 610 exit: 611 return ret; 612 } 613 614 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 615 { 616 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 617 int i; 618 s16 cam_id = -1; 619 620 for (i = 0; i < TOTAL_CAM_ENTRY; i++) { 621 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN)) 622 continue; 623 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03)) 624 continue; 625 626 cam_id = i; 627 break; 628 } 629 630 if (addr) 631 DBG_871X(FUNC_ADPT_FMT" addr:%pM kid:%d, return cam_id:%d\n" 632 , FUNC_ADPT_ARG(adapter), MAC_ARG(addr), kid, cam_id); 633 else 634 DBG_871X(FUNC_ADPT_FMT" addr:%p kid:%d, return cam_id:%d\n" 635 , FUNC_ADPT_ARG(adapter), addr, kid, cam_id); 636 637 return cam_id; 638 } 639 640 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 641 { 642 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 643 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 644 s16 cam_id = -1; 645 646 spin_lock_bh(&cam_ctl->lock); 647 cam_id = _rtw_camid_search(adapter, addr, kid); 648 spin_unlock_bh(&cam_ctl->lock); 649 650 return cam_id; 651 } 652 653 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid) 654 { 655 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 656 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 657 s16 cam_id = -1; 658 struct mlme_ext_info *mlmeinfo; 659 660 spin_lock_bh(&cam_ctl->lock); 661 662 mlmeinfo = &adapter->mlmeextpriv.mlmext_info; 663 664 if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 665 && !sta) { 666 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */ 667 if (kid > 3) { 668 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key with invalid key id:%u\n" 669 , FUNC_ADPT_ARG(adapter), kid); 670 rtw_warn_on(1); 671 goto bitmap_handle; 672 } 673 674 cam_id = kid; 675 } else { 676 int i; 677 u8 *addr = sta?sta->hwaddr:NULL; 678 679 if (!sta) { 680 if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) { 681 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */ 682 goto bitmap_handle; 683 } 684 685 addr = get_bssid(&adapter->mlmepriv); 686 } 687 688 i = _rtw_camid_search(adapter, addr, kid); 689 if (i >= 0) { 690 /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */ 691 if (sta || _rtw_camid_is_gk(adapter, i)) 692 cam_id = i; 693 else 694 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u the same key id as pairwise key\n" 695 , FUNC_ADPT_ARG(adapter), kid); 696 goto bitmap_handle; 697 } 698 699 for (i = 4; i < TOTAL_CAM_ENTRY; i++) 700 if (!(cam_ctl->bitmap & BIT(i))) 701 break; 702 703 if (i == TOTAL_CAM_ENTRY) { 704 if (sta) 705 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" pairwise key with %pM id:%u no room\n" 706 , FUNC_ADPT_ARG(adapter), MAC_ARG(sta->hwaddr), kid); 707 else 708 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u no room\n" 709 , FUNC_ADPT_ARG(adapter), kid); 710 rtw_warn_on(1); 711 goto bitmap_handle; 712 } 713 714 cam_id = i; 715 } 716 717 bitmap_handle: 718 if (cam_id >= 0 && cam_id < 32) 719 cam_ctl->bitmap |= BIT(cam_id); 720 721 spin_unlock_bh(&cam_ctl->lock); 722 723 return cam_id; 724 } 725 726 void rtw_camid_free(struct adapter *adapter, u8 cam_id) 727 { 728 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 729 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 730 731 spin_lock_bh(&cam_ctl->lock); 732 733 if (cam_id < TOTAL_CAM_ENTRY) 734 cam_ctl->bitmap &= ~(BIT(cam_id)); 735 736 spin_unlock_bh(&cam_ctl->lock); 737 } 738 739 int allocate_fw_sta_entry(struct adapter *padapter) 740 { 741 unsigned int mac_id; 742 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 743 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 744 745 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) { 746 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) { 747 pmlmeinfo->FW_sta_info[mac_id].status = 1; 748 pmlmeinfo->FW_sta_info[mac_id].retry = 0; 749 break; 750 } 751 } 752 753 return mac_id; 754 } 755 756 void flush_all_cam_entry(struct adapter *padapter) 757 { 758 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 759 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 760 761 invalidate_cam_all(padapter); 762 /* clear default key related key search setting */ 763 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false); 764 765 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info)); 766 } 767 768 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 769 { 770 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 771 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 772 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 773 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 774 775 if (pmlmepriv->qospriv.qos_option == 0) { 776 pmlmeinfo->WMM_enable = 0; 777 return false; 778 } 779 780 if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element))) 781 return false; 782 else 783 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)); 784 785 pmlmeinfo->WMM_enable = 1; 786 return true; 787 } 788 789 void WMMOnAssocRsp(struct adapter *padapter) 790 { 791 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime; 792 u8 acm_mask; 793 u16 TXOP; 794 u32 acParm, i; 795 u32 edca[4], inx[4]; 796 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 797 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 798 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 799 struct registry_priv *pregpriv = &padapter->registrypriv; 800 801 acm_mask = 0; 802 803 if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N) 804 aSifsTime = 16; 805 else 806 aSifsTime = 10; 807 808 if (pmlmeinfo->WMM_enable == 0) { 809 padapter->mlmepriv.acm_mask = 0; 810 811 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime); 812 813 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) { 814 ECWMin = 4; 815 ECWMax = 10; 816 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) { 817 ECWMin = 5; 818 ECWMax = 10; 819 } else { 820 ECWMin = 4; 821 ECWMax = 10; 822 } 823 824 TXOP = 0; 825 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 826 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 827 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 828 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 829 830 ECWMin = 2; 831 ECWMax = 3; 832 TXOP = 0x2f; 833 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 834 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 835 } else { 836 edca[0] = edca[1] = edca[2] = edca[3] = 0; 837 838 for (i = 0; i < 4; i++) { 839 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03; 840 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01; 841 842 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */ 843 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime; 844 845 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f); 846 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4; 847 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit); 848 849 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 850 851 switch (ACI) { 852 case 0x0: 853 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 854 acm_mask |= (ACM ? BIT(1):0); 855 edca[XMIT_BE_QUEUE] = acParm; 856 break; 857 858 case 0x1: 859 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 860 /* acm_mask |= (ACM? BIT(0):0); */ 861 edca[XMIT_BK_QUEUE] = acParm; 862 break; 863 864 case 0x2: 865 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 866 acm_mask |= (ACM ? BIT(2):0); 867 edca[XMIT_VI_QUEUE] = acParm; 868 break; 869 870 case 0x3: 871 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 872 acm_mask |= (ACM ? BIT(3):0); 873 edca[XMIT_VO_QUEUE] = acParm; 874 break; 875 } 876 877 DBG_871X("WMM(%x): %x, %x\n", ACI, ACM, acParm); 878 } 879 880 if (padapter->registrypriv.acm_method == 1) 881 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask)); 882 else 883 padapter->mlmepriv.acm_mask = acm_mask; 884 885 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; 886 887 if (pregpriv->wifi_spec == 1) { 888 u32 j, tmp, change_inx = false; 889 890 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */ 891 for (i = 0; i < 4; i++) { 892 for (j = i+1; j < 4; j++) { 893 /* compare CW and AIFS */ 894 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) { 895 change_inx = true; 896 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) { 897 /* compare TXOP */ 898 if ((edca[j] >> 16) > (edca[i] >> 16)) 899 change_inx = true; 900 } 901 902 if (change_inx) { 903 tmp = edca[i]; 904 edca[i] = edca[j]; 905 edca[j] = tmp; 906 907 tmp = inx[i]; 908 inx[i] = inx[j]; 909 inx[j] = tmp; 910 911 change_inx = false; 912 } 913 } 914 } 915 } 916 917 for (i = 0; i < 4; i++) { 918 pxmitpriv->wmm_para_seq[i] = inx[i]; 919 DBG_871X("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]); 920 } 921 } 922 } 923 924 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 925 { 926 unsigned char new_bwmode; 927 unsigned char new_ch_offset; 928 struct HT_info_element *pHT_info; 929 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 930 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 931 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 932 struct registry_priv *pregistrypriv = &padapter->registrypriv; 933 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 934 u8 cbw40_enable = 0; 935 936 if (!pIE) 937 return; 938 939 if (phtpriv->ht_option == false) 940 return; 941 942 if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80) 943 return; 944 945 if (pIE->Length > sizeof(struct HT_info_element)) 946 return; 947 948 pHT_info = (struct HT_info_element *)pIE->data; 949 950 if (pmlmeext->cur_channel > 14) { 951 if ((pregistrypriv->bw_mode & 0xf0) > 0) 952 cbw40_enable = 1; 953 } else { 954 if ((pregistrypriv->bw_mode & 0x0f) > 0) 955 cbw40_enable = 1; 956 } 957 958 if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) { 959 new_bwmode = CHANNEL_WIDTH_40; 960 961 switch (pHT_info->infos[0] & 0x3) { 962 case 1: 963 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; 964 break; 965 966 case 3: 967 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; 968 break; 969 970 default: 971 new_bwmode = CHANNEL_WIDTH_20; 972 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 973 break; 974 } 975 } else { 976 new_bwmode = CHANNEL_WIDTH_20; 977 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 978 } 979 980 if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) { 981 pmlmeinfo->bwmode_updated = true; 982 983 pmlmeext->cur_bwmode = new_bwmode; 984 pmlmeext->cur_ch_offset = new_ch_offset; 985 986 /* update HT info also */ 987 HT_info_handler(padapter, pIE); 988 } else { 989 pmlmeinfo->bwmode_updated = false; 990 } 991 992 if (true == pmlmeinfo->bwmode_updated) { 993 struct sta_info *psta; 994 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 995 struct sta_priv *pstapriv = &padapter->stapriv; 996 997 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 998 999 /* update ap's stainfo */ 1000 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress); 1001 if (psta) { 1002 struct ht_priv *phtpriv_sta = &psta->htpriv; 1003 1004 if (phtpriv_sta->ht_option) { 1005 /* bwmode */ 1006 psta->bw_mode = pmlmeext->cur_bwmode; 1007 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; 1008 } else { 1009 psta->bw_mode = CHANNEL_WIDTH_20; 1010 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 1011 } 1012 1013 rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta); 1014 } 1015 } 1016 } 1017 1018 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1019 { 1020 unsigned int i; 1021 u8 rf_type; 1022 u8 max_AMPDU_len, min_MPDU_spacing; 1023 u8 cur_ldpc_cap = 0, cur_stbc_cap = 0; 1024 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1025 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1026 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1027 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1028 1029 if (!pIE) 1030 return; 1031 1032 if (phtpriv->ht_option == false) 1033 return; 1034 1035 pmlmeinfo->HT_caps_enable = 1; 1036 1037 for (i = 0; i < (pIE->Length); i++) { 1038 if (i != 2) { 1039 /* Commented by Albert 2010/07/12 */ 1040 /* Got the endian issue here. */ 1041 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]); 1042 } else { 1043 /* modify from fw by Thomas 2010/11/17 */ 1044 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3)) 1045 max_AMPDU_len = (pIE->data[i] & 0x3); 1046 else 1047 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3); 1048 1049 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c)) 1050 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c); 1051 else 1052 min_MPDU_spacing = (pIE->data[i] & 0x1c); 1053 1054 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing; 1055 } 1056 } 1057 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); 1058 1059 /* update the MCS set */ 1060 for (i = 0; i < 16; i++) 1061 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i]; 1062 1063 /* update the MCS rates */ 1064 switch (rf_type) { 1065 case RF_1T1R: 1066 case RF_1T2R: 1067 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R); 1068 break; 1069 case RF_2T2R: 1070 default: 1071 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); 1072 } 1073 1074 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { 1075 /* Config STBC setting */ 1076 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data)) { 1077 SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX); 1078 DBG_871X("Enable HT Tx STBC !\n"); 1079 } 1080 phtpriv->stbc_cap = cur_stbc_cap; 1081 } else { 1082 /* Config LDPC Coding Capability */ 1083 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data)) { 1084 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX)); 1085 DBG_871X("Enable HT Tx LDPC!\n"); 1086 } 1087 phtpriv->ldpc_cap = cur_ldpc_cap; 1088 1089 /* Config STBC setting */ 1090 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data)) { 1091 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX)); 1092 DBG_871X("Enable HT Tx STBC!\n"); 1093 } 1094 phtpriv->stbc_cap = cur_stbc_cap; 1095 } 1096 } 1097 1098 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1099 { 1100 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1101 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1102 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1103 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1104 1105 if (!pIE) 1106 return; 1107 1108 if (phtpriv->ht_option == false) 1109 return; 1110 1111 if (pIE->Length > sizeof(struct HT_info_element)) 1112 return; 1113 1114 pmlmeinfo->HT_info_enable = 1; 1115 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length); 1116 } 1117 1118 void HTOnAssocRsp(struct adapter *padapter) 1119 { 1120 unsigned char max_AMPDU_len; 1121 unsigned char min_MPDU_spacing; 1122 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 1123 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1124 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1125 1126 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) { 1127 pmlmeinfo->HT_enable = 1; 1128 } else { 1129 pmlmeinfo->HT_enable = 0; 1130 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 1131 return; 1132 } 1133 1134 /* handle A-MPDU parameter field */ 1135 /* 1136 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k 1137 AMPDU_para [4:2]:Min MPDU Start Spacing 1138 */ 1139 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03; 1140 1141 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2; 1142 1143 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing)); 1144 1145 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len)); 1146 } 1147 1148 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1149 { 1150 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1151 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1152 1153 if (pIE->Length > 1) 1154 return; 1155 1156 pmlmeinfo->ERP_enable = 1; 1157 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length); 1158 } 1159 1160 void VCS_update(struct adapter *padapter, struct sta_info *psta) 1161 { 1162 struct registry_priv *pregpriv = &padapter->registrypriv; 1163 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1164 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1165 1166 switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */ 1167 case 0: /* off */ 1168 psta->rtsen = 0; 1169 psta->cts2self = 0; 1170 break; 1171 1172 case 1: /* on */ 1173 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */ 1174 psta->rtsen = 1; 1175 psta->cts2self = 0; 1176 } else { 1177 psta->rtsen = 0; 1178 psta->cts2self = 1; 1179 } 1180 break; 1181 1182 case 2: /* auto */ 1183 default: 1184 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) { 1185 if (pregpriv->vcs_type == 1) { 1186 psta->rtsen = 1; 1187 psta->cts2self = 0; 1188 } else { 1189 psta->rtsen = 0; 1190 psta->cts2self = 1; 1191 } 1192 } else { 1193 psta->rtsen = 0; 1194 psta->cts2self = 0; 1195 } 1196 break; 1197 } 1198 } 1199 1200 void update_ldpc_stbc_cap(struct sta_info *psta) 1201 { 1202 if (psta->htpriv.ht_option) { 1203 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX)) 1204 psta->ldpc = 1; 1205 1206 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX)) 1207 psta->stbc = 1; 1208 } else { 1209 psta->ldpc = 0; 1210 psta->stbc = 0; 1211 } 1212 } 1213 1214 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) 1215 { 1216 unsigned int len; 1217 unsigned char *p; 1218 unsigned short val16, subtype; 1219 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network); 1220 /* u8 wpa_ie[255], rsn_ie[255]; */ 1221 u16 wpa_len = 0, rsn_len = 0; 1222 u8 encryp_protocol = 0; 1223 struct wlan_bssid_ex *bssid; 1224 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0; 1225 unsigned char *pbuf; 1226 u32 wpa_ielen = 0; 1227 u8 *pbssid = GetAddr3Ptr(pframe); 1228 struct HT_info_element *pht_info = NULL; 1229 struct ieee80211_ht_cap *pht_cap = NULL; 1230 u32 bcn_channel; 1231 unsigned short ht_cap_info; 1232 unsigned char ht_info_infos_0; 1233 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv; 1234 int ssid_len; 1235 1236 if (is_client_associated_to_ap(Adapter) == false) 1237 return true; 1238 1239 len = packet_len - sizeof(struct ieee80211_hdr_3addr); 1240 1241 if (len > MAX_IE_SZ) { 1242 DBG_871X("%s IE too long for survey event\n", __func__); 1243 return _FAIL; 1244 } 1245 1246 if (memcmp(cur_network->network.MacAddress, pbssid, 6)) { 1247 DBG_871X("Oops: rtw_check_network_encrypt linked but recv other bssid bcn %pM %pM\n", 1248 MAC_ARG(pbssid), MAC_ARG(cur_network->network.MacAddress)); 1249 return true; 1250 } 1251 1252 bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex)); 1253 if (!bssid) { 1254 DBG_871X("%s rtw_zmalloc fail !!!\n", __func__); 1255 return true; 1256 } 1257 1258 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) { 1259 pmlmepriv->timeBcnInfoChkStart = 0; 1260 pmlmepriv->NumOfBcnInfoChkFail = 0; 1261 } 1262 1263 subtype = GetFrameSubType(pframe) >> 4; 1264 1265 if (subtype == WIFI_BEACON) 1266 bssid->Reserved[0] = 1; 1267 1268 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len; 1269 1270 /* below is to copy the information element */ 1271 bssid->IELength = len; 1272 memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength); 1273 1274 /* check bw and channel offset */ 1275 /* parsing HT_CAP_IE */ 1276 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1277 if (p && len > 0) { 1278 pht_cap = (struct ieee80211_ht_cap *)(p + 2); 1279 ht_cap_info = le16_to_cpu(pht_cap->cap_info); 1280 } else { 1281 ht_cap_info = 0; 1282 } 1283 /* parsing HT_INFO_IE */ 1284 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1285 if (p && len > 0) { 1286 pht_info = (struct HT_info_element *)(p + 2); 1287 ht_info_infos_0 = pht_info->infos[0]; 1288 } else { 1289 ht_info_infos_0 = 0; 1290 } 1291 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info || 1292 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) { 1293 DBG_871X("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__, 1294 ht_cap_info, ht_info_infos_0); 1295 DBG_871X("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__, 1296 cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0); 1297 DBG_871X("%s bw mode change\n", __func__); 1298 { 1299 /* bcn_info_update */ 1300 cur_network->BcnInfo.ht_cap_info = ht_cap_info; 1301 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0; 1302 /* to do : need to check that whether modify related register of BB or not */ 1303 } 1304 /* goto _mismatch; */ 1305 } 1306 1307 /* Checking for channel */ 1308 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1309 if (p) { 1310 bcn_channel = *(p + 2); 1311 } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */ 1312 rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1313 if (pht_info) { 1314 bcn_channel = pht_info->primary_channel; 1315 } else { /* we don't find channel IE, so don't check it */ 1316 /* DBG_871X("Oops: %s we don't find channel IE, so don't check it\n", __func__); */ 1317 bcn_channel = Adapter->mlmeextpriv.cur_channel; 1318 } 1319 } 1320 if (bcn_channel != Adapter->mlmeextpriv.cur_channel) { 1321 DBG_871X("%s beacon channel:%d cur channel:%d disconnect\n", __func__, 1322 bcn_channel, Adapter->mlmeextpriv.cur_channel); 1323 goto _mismatch; 1324 } 1325 1326 /* checking SSID */ 1327 ssid_len = 0; 1328 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1329 if (p) { 1330 ssid_len = *(p + 1); 1331 if (ssid_len > NDIS_802_11_LENGTH_SSID) 1332 ssid_len = 0; 1333 } 1334 memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len); 1335 bssid->Ssid.SsidLength = ssid_len; 1336 1337 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) || 1338 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) { 1339 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */ 1340 DBG_871X("%s(), SSID is not match\n", __func__); 1341 goto _mismatch; 1342 } 1343 } 1344 1345 /* check encryption info */ 1346 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid); 1347 1348 if (val16 & BIT(4)) 1349 bssid->Privacy = 1; 1350 else 1351 bssid->Privacy = 0; 1352 1353 if (cur_network->network.Privacy != bssid->Privacy) { 1354 DBG_871X("%s(), privacy is not match\n", __func__); 1355 goto _mismatch; 1356 } 1357 1358 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len); 1359 1360 if (rsn_len > 0) { 1361 encryp_protocol = ENCRYP_PROTOCOL_WPA2; 1362 } else if (wpa_len > 0) { 1363 encryp_protocol = ENCRYP_PROTOCOL_WPA; 1364 } else { 1365 if (bssid->Privacy) 1366 encryp_protocol = ENCRYP_PROTOCOL_WEP; 1367 } 1368 1369 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) { 1370 DBG_871X("%s(): enctyp is not match\n", __func__); 1371 goto _mismatch; 1372 } 1373 1374 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) { 1375 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1376 if (pbuf && (wpa_ielen > 0)) { 1377 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher, 1378 &pairwise_cipher, &is_8021x); 1379 } else { 1380 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1381 1382 if (pbuf && (wpa_ielen > 0)) { 1383 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher, 1384 &pairwise_cipher, &is_8021x); 1385 } 1386 } 1387 1388 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) { 1389 DBG_871X("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match\n", __func__, 1390 pairwise_cipher, cur_network->BcnInfo.pairwise_cipher, 1391 group_cipher, cur_network->BcnInfo.group_cipher); 1392 goto _mismatch; 1393 } 1394 1395 if (is_8021x != cur_network->BcnInfo.is_8021x) { 1396 DBG_871X("%s authentication is not match\n", __func__); 1397 goto _mismatch; 1398 } 1399 } 1400 1401 kfree(bssid); 1402 return _SUCCESS; 1403 1404 _mismatch: 1405 kfree(bssid); 1406 1407 if (pmlmepriv->NumOfBcnInfoChkFail == 0) 1408 pmlmepriv->timeBcnInfoChkStart = jiffies; 1409 1410 pmlmepriv->NumOfBcnInfoChkFail++; 1411 DBG_871X("%s by %s - NumOfChkFail = %d (SeqNum of this Beacon frame = %d).\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail, GetSequence(pframe)); 1412 1413 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS) 1414 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) { 1415 DBG_871X("%s by %s - NumOfChkFail = %d >= threshold : %d (in %d ms), return FAIL.\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail, 1416 DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD, jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart)); 1417 pmlmepriv->timeBcnInfoChkStart = 0; 1418 pmlmepriv->NumOfBcnInfoChkFail = 0; 1419 return _FAIL; 1420 } 1421 1422 return _SUCCESS; 1423 } 1424 1425 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta) 1426 { 1427 unsigned int i; 1428 unsigned int len; 1429 struct ndis_80211_var_ie *pIE; 1430 1431 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN); 1432 1433 for (i = 0; i < len;) { 1434 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i); 1435 1436 switch (pIE->ElementID) { 1437 case WLAN_EID_VENDOR_SPECIFIC: 1438 /* to update WMM parameter set while receiving beacon */ 1439 if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN) /* WMM */ 1440 if (WMM_param_handler(padapter, pIE)) 1441 report_wmm_edca_update(padapter); 1442 1443 break; 1444 1445 case WLAN_EID_HT_OPERATION: /* HT info */ 1446 /* HT_info_handler(padapter, pIE); */ 1447 bwmode_update_check(padapter, pIE); 1448 break; 1449 1450 case WLAN_EID_ERP_INFO: 1451 ERP_IE_handler(padapter, pIE); 1452 VCS_update(padapter, psta); 1453 break; 1454 1455 default: 1456 break; 1457 } 1458 1459 i += (pIE->Length + 2); 1460 } 1461 } 1462 1463 unsigned int is_ap_in_tkip(struct adapter *padapter) 1464 { 1465 u32 i; 1466 struct ndis_80211_var_ie *pIE; 1467 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1468 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1469 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1470 1471 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) { 1472 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) { 1473 pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i); 1474 1475 switch (pIE->ElementID) { 1476 case WLAN_EID_VENDOR_SPECIFIC: 1477 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4))) 1478 return true; 1479 1480 break; 1481 1482 case WLAN_EID_RSN: 1483 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4)) 1484 return true; 1485 break; 1486 1487 default: 1488 break; 1489 } 1490 1491 i += (pIE->Length + 2); 1492 } 1493 1494 return false; 1495 } else { 1496 return false; 1497 } 1498 } 1499 1500 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode) 1501 { 1502 unsigned char bit_offset; 1503 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1504 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1505 1506 if (!(pmlmeinfo->HT_enable)) 1507 return _FAIL; 1508 1509 bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5; 1510 1511 if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset)) 1512 return _SUCCESS; 1513 else 1514 return _FAIL; 1515 } 1516 1517 unsigned char get_highest_rate_idx(u32 mask) 1518 { 1519 int i; 1520 unsigned char rate_idx = 0; 1521 1522 for (i = 31; i >= 0; i--) { 1523 if (mask & BIT(i)) { 1524 rate_idx = i; 1525 break; 1526 } 1527 } 1528 1529 return rate_idx; 1530 } 1531 1532 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta) 1533 { 1534 rtw_hal_update_ra_mask(psta, 0); 1535 } 1536 1537 void set_sta_rate(struct adapter *padapter, struct sta_info *psta) 1538 { 1539 /* rate adaptive */ 1540 Update_RA_Entry(padapter, psta); 1541 } 1542 1543 unsigned char check_assoc_AP(u8 *pframe, uint len) 1544 { 1545 unsigned int i; 1546 struct ndis_80211_var_ie *pIE; 1547 1548 for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) { 1549 pIE = (struct ndis_80211_var_ie *)(pframe + i); 1550 1551 switch (pIE->ElementID) { 1552 case WLAN_EID_VENDOR_SPECIFIC: 1553 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) { 1554 DBG_871X("link to Artheros AP\n"); 1555 return HT_IOT_PEER_ATHEROS; 1556 } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) || 1557 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) || 1558 (!memcmp(pIE->data, BROADCOM_OUI3, 3))) { 1559 DBG_871X("link to Broadcom AP\n"); 1560 return HT_IOT_PEER_BROADCOM; 1561 } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) { 1562 DBG_871X("link to Marvell AP\n"); 1563 return HT_IOT_PEER_MARVELL; 1564 } else if (!memcmp(pIE->data, RALINK_OUI, 3)) { 1565 DBG_871X("link to Ralink AP\n"); 1566 return HT_IOT_PEER_RALINK; 1567 } else if (!memcmp(pIE->data, CISCO_OUI, 3)) { 1568 DBG_871X("link to Cisco AP\n"); 1569 return HT_IOT_PEER_CISCO; 1570 } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) { 1571 u32 Vender = HT_IOT_PEER_REALTEK; 1572 1573 if (pIE->Length >= 5) { 1574 if (pIE->data[4] == 1) 1575 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */ 1576 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */ 1577 if (pIE->data[5] & RT_HT_CAP_USE_92SE) 1578 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */ 1579 Vender = HT_IOT_PEER_REALTEK_92SE; 1580 1581 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP) 1582 Vender = HT_IOT_PEER_REALTEK_SOFTAP; 1583 1584 if (pIE->data[4] == 2) { 1585 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT) { 1586 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP; 1587 DBG_871X("link to Realtek JAGUAR_BCUTAP\n"); 1588 } 1589 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT) { 1590 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP; 1591 DBG_871X("link to Realtek JAGUAR_CCUTAP\n"); 1592 } 1593 } 1594 } 1595 1596 DBG_871X("link to Realtek AP\n"); 1597 return Vender; 1598 } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) { 1599 DBG_871X("link to Airgo Cap\n"); 1600 return HT_IOT_PEER_AIRGO; 1601 } else { 1602 break; 1603 } 1604 1605 default: 1606 break; 1607 } 1608 1609 i += (pIE->Length + 2); 1610 } 1611 1612 DBG_871X("link to new AP\n"); 1613 return HT_IOT_PEER_UNKNOWN; 1614 } 1615 1616 void update_IOT_info(struct adapter *padapter) 1617 { 1618 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1619 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1620 1621 switch (pmlmeinfo->assoc_AP_vendor) { 1622 case HT_IOT_PEER_MARVELL: 1623 pmlmeinfo->turboMode_cts2self = 1; 1624 pmlmeinfo->turboMode_rtsen = 0; 1625 break; 1626 1627 case HT_IOT_PEER_RALINK: 1628 pmlmeinfo->turboMode_cts2self = 0; 1629 pmlmeinfo->turboMode_rtsen = 1; 1630 /* disable high power */ 1631 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1632 break; 1633 case HT_IOT_PEER_REALTEK: 1634 /* rtw_write16(padapter, 0x4cc, 0xffff); */ 1635 /* rtw_write16(padapter, 0x546, 0x01c0); */ 1636 /* disable high power */ 1637 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1638 break; 1639 default: 1640 pmlmeinfo->turboMode_cts2self = 0; 1641 pmlmeinfo->turboMode_rtsen = 1; 1642 break; 1643 } 1644 } 1645 1646 void update_capinfo(struct adapter *Adapter, u16 updateCap) 1647 { 1648 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; 1649 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1650 bool ShortPreamble; 1651 1652 /* Check preamble mode, 2005.01.06, by rcnjko. */ 1653 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */ 1654 /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */ 1655 { 1656 if (updateCap & cShortPreamble) { 1657 /* Short Preamble */ 1658 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */ 1659 ShortPreamble = true; 1660 pmlmeinfo->preamble_mode = PREAMBLE_SHORT; 1661 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1662 } 1663 } else { 1664 /* Long Preamble */ 1665 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */ 1666 ShortPreamble = false; 1667 pmlmeinfo->preamble_mode = PREAMBLE_LONG; 1668 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1669 } 1670 } 1671 } 1672 1673 if (updateCap & cIBSS) { 1674 /* Filen: See 802.11-2007 p.91 */ 1675 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1676 } else { 1677 /* Filen: See 802.11-2007 p.90 */ 1678 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC)) { 1679 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1680 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) { 1681 if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */) 1682 /* Short Slot Time */ 1683 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1684 else 1685 /* Long Slot Time */ 1686 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1687 } else { 1688 /* B Mode */ 1689 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1690 } 1691 } 1692 1693 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime); 1694 } 1695 1696 void update_wireless_mode(struct adapter *padapter) 1697 { 1698 int network_type = 0; 1699 u32 SIFS_Timer; 1700 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1701 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1702 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1703 unsigned char *rate = cur_network->SupportedRates; 1704 1705 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) 1706 pmlmeinfo->HT_enable = 1; 1707 1708 if (pmlmeinfo->VHT_enable) 1709 network_type = WIRELESS_11AC; 1710 else if (pmlmeinfo->HT_enable) 1711 network_type = WIRELESS_11_24N; 1712 1713 if (rtw_is_cckratesonly_included(rate)) 1714 network_type |= WIRELESS_11B; 1715 else if (rtw_is_cckrates_included(rate)) 1716 network_type |= WIRELESS_11BG; 1717 else 1718 network_type |= WIRELESS_11G; 1719 1720 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode; 1721 1722 SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */ 1723 /* change this value if having IOT issues. */ 1724 1725 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer); 1726 1727 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode)); 1728 1729 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) 1730 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB); 1731 else 1732 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB); 1733 } 1734 1735 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode) 1736 { 1737 if (IsSupportedTxCCK(wireless_mode)) { 1738 /* Only B, B/G, and B/G/N AP could use CCK rate */ 1739 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4); 1740 psta->bssratelen = 4; 1741 } else { 1742 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3); 1743 psta->bssratelen = 3; 1744 } 1745 } 1746 1747 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx) 1748 { 1749 unsigned int ie_len; 1750 struct ndis_80211_var_ie *pIE; 1751 int supportRateNum = 0; 1752 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); 1753 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1754 1755 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len); 1756 if (!pIE) 1757 return _FAIL; 1758 if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates)) 1759 return _FAIL; 1760 1761 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len); 1762 supportRateNum = ie_len; 1763 1764 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len); 1765 if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum)) 1766 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len); 1767 1768 return _SUCCESS; 1769 } 1770 1771 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr) 1772 { 1773 struct sta_info *psta; 1774 u16 tid, start_seq, param; 1775 struct recv_reorder_ctrl *preorder_ctrl; 1776 struct sta_priv *pstapriv = &padapter->stapriv; 1777 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req; 1778 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1779 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1780 1781 psta = rtw_get_stainfo(pstapriv, addr); 1782 1783 if (psta) { 1784 start_seq = le16_to_cpu(preq->BA_starting_seqctrl) >> 4; 1785 1786 param = le16_to_cpu(preq->BA_para_set); 1787 tid = (param>>2)&0x0f; 1788 1789 preorder_ctrl = &psta->recvreorder_ctrl[tid]; 1790 1791 preorder_ctrl->indicate_seq = 0xffff; 1792 1793 preorder_ctrl->enable = pmlmeinfo->accept_addba_req; 1794 } 1795 } 1796 1797 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1798 { 1799 u8 *pIE; 1800 __le32 *pbuf; 1801 1802 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1803 pbuf = (__le32 *)pIE; 1804 1805 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1)); 1806 1807 pmlmeext->TSFValue = pmlmeext->TSFValue << 32; 1808 1809 pmlmeext->TSFValue |= le32_to_cpu(*pbuf); 1810 } 1811 1812 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext) 1813 { 1814 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL); 1815 } 1816 1817 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1818 { 1819 int i; 1820 u8 *pIE; 1821 __le32 *pbuf; 1822 u64 tsf = 0; 1823 u32 delay_ms; 1824 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1825 1826 pmlmeext->bcn_cnt++; 1827 1828 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1829 pbuf = (__le32 *)pIE; 1830 1831 tsf = le32_to_cpu(*(pbuf+1)); 1832 tsf = tsf << 32; 1833 tsf |= le32_to_cpu(*pbuf); 1834 1835 /* DBG_871X("%s(): tsf_upper = 0x%08x, tsf_lower = 0x%08x\n", __func__, (u32)(tsf>>32), (u32)tsf); */ 1836 1837 /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */ 1838 /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */ 1839 delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024)); 1840 delay_ms = delay_ms/1000; 1841 1842 if (delay_ms >= 8) 1843 pmlmeext->bcn_delay_cnt[8]++; 1844 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */ 1845 else 1846 pmlmeext->bcn_delay_cnt[delay_ms]++; 1847 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */ 1848 1849 /* 1850 DBG_871X("%s(): (a)bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt); 1851 1852 for (i = 0; i<9; i++) 1853 { 1854 DBG_871X("%s():bcn_delay_cnt[%d]=%d, bcn_delay_ratio[%d]=%d\n", __func__, i, 1855 pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]); 1856 } 1857 */ 1858 1859 /* dump for adaptive_early_32k */ 1860 if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) { 1861 u8 ratio_20_delay, ratio_80_delay; 1862 u8 DrvBcnEarly, DrvBcnTimeOut; 1863 1864 ratio_20_delay = 0; 1865 ratio_80_delay = 0; 1866 DrvBcnEarly = 0xff; 1867 DrvBcnTimeOut = 0xff; 1868 1869 DBG_871X("%s(): bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt); 1870 1871 for (i = 0; i < 9; i++) { 1872 pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt; 1873 1874 DBG_871X("%s():bcn_delay_cnt[%d]=%d, bcn_delay_ratio[%d]=%d\n", __func__, i, 1875 pmlmeext->bcn_delay_cnt[i], i, pmlmeext->bcn_delay_ratio[i]); 1876 1877 ratio_20_delay += pmlmeext->bcn_delay_ratio[i]; 1878 ratio_80_delay += pmlmeext->bcn_delay_ratio[i]; 1879 1880 if (ratio_20_delay > 20 && DrvBcnEarly == 0xff) { 1881 DrvBcnEarly = i; 1882 DBG_871X("%s(): DrvBcnEarly = %d\n", __func__, DrvBcnEarly); 1883 } 1884 1885 if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff) { 1886 DrvBcnTimeOut = i; 1887 DBG_871X("%s(): DrvBcnTimeOut = %d\n", __func__, DrvBcnTimeOut); 1888 } 1889 1890 /* reset adaptive_early_32k cnt */ 1891 pmlmeext->bcn_delay_cnt[i] = 0; 1892 pmlmeext->bcn_delay_ratio[i] = 0; 1893 } 1894 1895 pmlmeext->DrvBcnEarly = DrvBcnEarly; 1896 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut; 1897 1898 pmlmeext->bcn_cnt = 0; 1899 } 1900 } 1901 1902 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta) 1903 { 1904 int i; 1905 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 1906 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1907 1908 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 1909 return; 1910 1911 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) { 1912 psta->mac_id = NUM_STA; 1913 return; 1914 } 1915 1916 spin_lock_bh(&pdvobj->lock); 1917 for (i = 0; i < NUM_STA; i++) { 1918 if (pdvobj->macid[i] == false) { 1919 pdvobj->macid[i] = true; 1920 break; 1921 } 1922 } 1923 spin_unlock_bh(&pdvobj->lock); 1924 1925 if (i > (NUM_STA-1)) { 1926 psta->mac_id = NUM_STA; 1927 DBG_871X(" no room for more MACIDs\n"); 1928 } else { 1929 psta->mac_id = i; 1930 DBG_871X("%s = %d\n", __func__, psta->mac_id); 1931 } 1932 } 1933 1934 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta) 1935 { 1936 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 1937 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1938 1939 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 1940 return; 1941 1942 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) 1943 return; 1944 1945 spin_lock_bh(&pdvobj->lock); 1946 if (psta->mac_id < NUM_STA && psta->mac_id != 1) { 1947 if (pdvobj->macid[psta->mac_id] == true) { 1948 DBG_871X("%s = %d\n", __func__, psta->mac_id); 1949 pdvobj->macid[psta->mac_id] = false; 1950 psta->mac_id = NUM_STA; 1951 } 1952 } 1953 spin_unlock_bh(&pdvobj->lock); 1954 } 1955 1956 /* For 8188E RA */ 1957 u8 rtw_search_max_mac_id(struct adapter *padapter) 1958 { 1959 u8 max_mac_id = 0; 1960 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1961 int i; 1962 1963 spin_lock_bh(&pdvobj->lock); 1964 for (i = (NUM_STA-1); i >= 0 ; i--) { 1965 if (pdvobj->macid[i] == true) 1966 break; 1967 } 1968 max_mac_id = i; 1969 spin_unlock_bh(&pdvobj->lock); 1970 1971 return max_mac_id; 1972 } 1973 1974 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj) 1975 { 1976 if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0) 1977 return NULL; 1978 1979 return dvobj->padapters; 1980 } 1981