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