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