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 for (j = 0; j < 6; j++) { 508 cmd = _ReadCAM(padapter, addr+j); 509 if (j > 1) /* get key from cam */ 510 memcpy(get_key+(j-2)*4, &cmd, 4); 511 } 512 } 513 514 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key) 515 { 516 unsigned int i, val, addr; 517 int j; 518 u32 cam_val[2]; 519 520 addr = entry << 3; 521 522 for (j = 5; j >= 0; j--) { 523 switch (j) { 524 case 0: 525 val = (ctrl | (mac[0] << 16) | (mac[1] << 24)); 526 break; 527 case 1: 528 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24)); 529 break; 530 default: 531 i = (j - 2) << 2; 532 val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24)); 533 break; 534 } 535 536 cam_val[0] = val; 537 cam_val[1] = addr + (unsigned int)j; 538 539 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val); 540 } 541 } 542 543 void _clear_cam_entry(struct adapter *padapter, u8 entry) 544 { 545 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 546 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 547 548 _write_cam(padapter, entry, 0, null_sta, null_key); 549 } 550 551 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 552 { 553 _write_cam(adapter, id, ctrl, mac, key); 554 write_cam_cache(adapter, id, ctrl, mac, key); 555 } 556 557 inline void clear_cam_entry(struct adapter *adapter, u8 id) 558 { 559 _clear_cam_entry(adapter, id); 560 clear_cam_cache(adapter, id); 561 } 562 563 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 564 { 565 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 566 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 567 568 spin_lock_bh(&cam_ctl->lock); 569 570 dvobj->cam_cache[id].ctrl = ctrl; 571 memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN); 572 memcpy(dvobj->cam_cache[id].key, key, 16); 573 574 spin_unlock_bh(&cam_ctl->lock); 575 } 576 577 void clear_cam_cache(struct adapter *adapter, u8 id) 578 { 579 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 580 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 581 582 spin_lock_bh(&cam_ctl->lock); 583 584 memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache)); 585 586 spin_unlock_bh(&cam_ctl->lock); 587 } 588 589 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id) 590 { 591 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 592 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 593 bool ret = false; 594 595 if (cam_id >= TOTAL_CAM_ENTRY) 596 goto exit; 597 598 if (!(cam_ctl->bitmap & BIT(cam_id))) 599 goto exit; 600 601 ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false; 602 603 exit: 604 return ret; 605 } 606 607 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 608 { 609 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 610 int i; 611 s16 cam_id = -1; 612 613 for (i = 0; i < TOTAL_CAM_ENTRY; i++) { 614 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN)) 615 continue; 616 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03)) 617 continue; 618 619 cam_id = i; 620 break; 621 } 622 623 return cam_id; 624 } 625 626 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 627 { 628 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 629 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 630 s16 cam_id = -1; 631 632 spin_lock_bh(&cam_ctl->lock); 633 cam_id = _rtw_camid_search(adapter, addr, kid); 634 spin_unlock_bh(&cam_ctl->lock); 635 636 return cam_id; 637 } 638 639 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid) 640 { 641 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 642 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 643 s16 cam_id = -1; 644 struct mlme_ext_info *mlmeinfo; 645 646 spin_lock_bh(&cam_ctl->lock); 647 648 mlmeinfo = &adapter->mlmeextpriv.mlmext_info; 649 650 if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 651 && !sta) { 652 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */ 653 if (kid > 3) { 654 netdev_dbg(adapter->pnetdev, 655 FUNC_ADPT_FMT " group key with invalid key id:%u\n", 656 FUNC_ADPT_ARG(adapter), kid); 657 rtw_warn_on(1); 658 goto bitmap_handle; 659 } 660 661 cam_id = kid; 662 } else { 663 int i; 664 u8 *addr = sta?sta->hwaddr:NULL; 665 666 if (!sta) { 667 if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) { 668 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */ 669 goto bitmap_handle; 670 } 671 672 addr = get_bssid(&adapter->mlmepriv); 673 } 674 675 i = _rtw_camid_search(adapter, addr, kid); 676 if (i >= 0) { 677 /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */ 678 if (sta || _rtw_camid_is_gk(adapter, i)) 679 cam_id = i; 680 else 681 netdev_dbg(adapter->pnetdev, 682 FUNC_ADPT_FMT " group key id:%u the same key id as pairwise key\n", 683 FUNC_ADPT_ARG(adapter), kid); 684 goto bitmap_handle; 685 } 686 687 for (i = 4; i < TOTAL_CAM_ENTRY; i++) 688 if (!(cam_ctl->bitmap & BIT(i))) 689 break; 690 691 if (i == TOTAL_CAM_ENTRY) { 692 if (sta) 693 netdev_dbg(adapter->pnetdev, 694 FUNC_ADPT_FMT " pairwise key with %pM id:%u no room\n", 695 FUNC_ADPT_ARG(adapter), 696 MAC_ARG(sta->hwaddr), kid); 697 else 698 netdev_dbg(adapter->pnetdev, 699 FUNC_ADPT_FMT " group key id:%u no room\n", 700 FUNC_ADPT_ARG(adapter), kid); 701 rtw_warn_on(1); 702 goto bitmap_handle; 703 } 704 705 cam_id = i; 706 } 707 708 bitmap_handle: 709 if (cam_id >= 0 && cam_id < 32) 710 cam_ctl->bitmap |= BIT(cam_id); 711 712 spin_unlock_bh(&cam_ctl->lock); 713 714 return cam_id; 715 } 716 717 void rtw_camid_free(struct adapter *adapter, u8 cam_id) 718 { 719 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 720 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 721 722 spin_lock_bh(&cam_ctl->lock); 723 724 if (cam_id < TOTAL_CAM_ENTRY) 725 cam_ctl->bitmap &= ~(BIT(cam_id)); 726 727 spin_unlock_bh(&cam_ctl->lock); 728 } 729 730 int allocate_fw_sta_entry(struct adapter *padapter) 731 { 732 unsigned int mac_id; 733 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 734 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 735 736 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) { 737 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) { 738 pmlmeinfo->FW_sta_info[mac_id].status = 1; 739 pmlmeinfo->FW_sta_info[mac_id].retry = 0; 740 break; 741 } 742 } 743 744 return mac_id; 745 } 746 747 void flush_all_cam_entry(struct adapter *padapter) 748 { 749 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 750 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 751 752 invalidate_cam_all(padapter); 753 /* clear default key related key search setting */ 754 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false); 755 756 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info)); 757 } 758 759 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 760 { 761 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 762 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 763 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 764 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 765 766 if (pmlmepriv->qospriv.qos_option == 0) { 767 pmlmeinfo->WMM_enable = 0; 768 return false; 769 } 770 771 if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element))) 772 return false; 773 else 774 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)); 775 776 pmlmeinfo->WMM_enable = 1; 777 return true; 778 } 779 780 static void sort_wmm_ac_params(u32 *inx, u32 *edca) 781 { 782 u32 i, j, change_inx = false; 783 784 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */ 785 for (i = 0; i < 4; i++) { 786 for (j = i + 1; j < 4; j++) { 787 /* compare CW and AIFS */ 788 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) { 789 change_inx = true; 790 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) { 791 /* compare TXOP */ 792 if ((edca[j] >> 16) > (edca[i] >> 16)) 793 change_inx = true; 794 } 795 796 if (change_inx) { 797 swap(edca[i], edca[j]); 798 swap(inx[i], inx[j]); 799 800 change_inx = false; 801 } 802 } 803 } 804 } 805 806 void WMMOnAssocRsp(struct adapter *padapter) 807 { 808 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime; 809 u8 acm_mask; 810 u16 TXOP; 811 u32 acParm, i; 812 u32 edca[4], inx[4]; 813 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 814 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 815 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 816 struct registry_priv *pregpriv = &padapter->registrypriv; 817 818 acm_mask = 0; 819 820 if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N) 821 aSifsTime = 16; 822 else 823 aSifsTime = 10; 824 825 if (pmlmeinfo->WMM_enable == 0) { 826 padapter->mlmepriv.acm_mask = 0; 827 828 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime); 829 830 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) { 831 ECWMin = 4; 832 ECWMax = 10; 833 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) { 834 ECWMin = 5; 835 ECWMax = 10; 836 } else { 837 ECWMin = 4; 838 ECWMax = 10; 839 } 840 841 TXOP = 0; 842 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 843 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 844 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 845 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 846 847 ECWMin = 2; 848 ECWMax = 3; 849 TXOP = 0x2f; 850 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 851 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 852 } else { 853 edca[0] = edca[1] = edca[2] = edca[3] = 0; 854 855 for (i = 0; i < 4; i++) { 856 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03; 857 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01; 858 859 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */ 860 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime; 861 862 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f); 863 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4; 864 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit); 865 866 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 867 868 switch (ACI) { 869 case 0x0: 870 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 871 acm_mask |= (ACM ? BIT(1):0); 872 edca[XMIT_BE_QUEUE] = acParm; 873 break; 874 875 case 0x1: 876 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 877 /* acm_mask |= (ACM? BIT(0):0); */ 878 edca[XMIT_BK_QUEUE] = acParm; 879 break; 880 881 case 0x2: 882 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 883 acm_mask |= (ACM ? BIT(2):0); 884 edca[XMIT_VI_QUEUE] = acParm; 885 break; 886 887 case 0x3: 888 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 889 acm_mask |= (ACM ? BIT(3):0); 890 edca[XMIT_VO_QUEUE] = acParm; 891 break; 892 } 893 } 894 895 if (padapter->registrypriv.acm_method == 1) 896 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask)); 897 else 898 padapter->mlmepriv.acm_mask = acm_mask; 899 900 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; 901 902 if (pregpriv->wifi_spec == 1) 903 sort_wmm_ac_params(inx, edca); 904 905 for (i = 0; i < 4; i++) 906 pxmitpriv->wmm_para_seq[i] = inx[i]; 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) && 1063 GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data)) 1064 SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX); 1065 1066 phtpriv->stbc_cap = cur_stbc_cap; 1067 } else { 1068 /* Config LDPC Coding Capability */ 1069 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) && 1070 GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data)) 1071 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX)); 1072 1073 phtpriv->ldpc_cap = cur_ldpc_cap; 1074 1075 /* Config STBC setting */ 1076 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && 1077 GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data)) 1078 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX)); 1079 1080 phtpriv->stbc_cap = cur_stbc_cap; 1081 } 1082 } 1083 1084 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1085 { 1086 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1087 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1088 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1089 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1090 1091 if (!pIE) 1092 return; 1093 1094 if (phtpriv->ht_option == false) 1095 return; 1096 1097 if (pIE->Length > sizeof(struct HT_info_element)) 1098 return; 1099 1100 pmlmeinfo->HT_info_enable = 1; 1101 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length); 1102 } 1103 1104 void HTOnAssocRsp(struct adapter *padapter) 1105 { 1106 unsigned char max_AMPDU_len; 1107 unsigned char min_MPDU_spacing; 1108 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 1109 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1110 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1111 1112 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) { 1113 pmlmeinfo->HT_enable = 1; 1114 } else { 1115 pmlmeinfo->HT_enable = 0; 1116 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 1117 return; 1118 } 1119 1120 /* handle A-MPDU parameter field */ 1121 /* 1122 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k 1123 AMPDU_para [4:2]:Min MPDU Start Spacing 1124 */ 1125 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03; 1126 1127 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2; 1128 1129 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing)); 1130 1131 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len)); 1132 } 1133 1134 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1135 { 1136 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1137 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1138 1139 if (pIE->Length > 1) 1140 return; 1141 1142 pmlmeinfo->ERP_enable = 1; 1143 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length); 1144 } 1145 1146 void VCS_update(struct adapter *padapter, struct sta_info *psta) 1147 { 1148 struct registry_priv *pregpriv = &padapter->registrypriv; 1149 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1150 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1151 1152 switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */ 1153 case 0: /* off */ 1154 psta->rtsen = 0; 1155 psta->cts2self = 0; 1156 break; 1157 1158 case 1: /* on */ 1159 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */ 1160 psta->rtsen = 1; 1161 psta->cts2self = 0; 1162 } else { 1163 psta->rtsen = 0; 1164 psta->cts2self = 1; 1165 } 1166 break; 1167 1168 case 2: /* auto */ 1169 default: 1170 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) { 1171 if (pregpriv->vcs_type == 1) { 1172 psta->rtsen = 1; 1173 psta->cts2self = 0; 1174 } else { 1175 psta->rtsen = 0; 1176 psta->cts2self = 1; 1177 } 1178 } else { 1179 psta->rtsen = 0; 1180 psta->cts2self = 0; 1181 } 1182 break; 1183 } 1184 } 1185 1186 void update_ldpc_stbc_cap(struct sta_info *psta) 1187 { 1188 if (psta->htpriv.ht_option) { 1189 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX)) 1190 psta->ldpc = 1; 1191 1192 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX)) 1193 psta->stbc = 1; 1194 } else { 1195 psta->ldpc = 0; 1196 psta->stbc = 0; 1197 } 1198 } 1199 1200 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) 1201 { 1202 unsigned int len; 1203 unsigned char *p; 1204 unsigned short val16, subtype; 1205 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network); 1206 /* u8 wpa_ie[255], rsn_ie[255]; */ 1207 u16 wpa_len = 0, rsn_len = 0; 1208 u8 encryp_protocol = 0; 1209 struct wlan_bssid_ex *bssid; 1210 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0; 1211 unsigned char *pbuf; 1212 u32 wpa_ielen = 0; 1213 u8 *pbssid = GetAddr3Ptr(pframe); 1214 struct HT_info_element *pht_info = NULL; 1215 struct ieee80211_ht_cap *pht_cap = NULL; 1216 u32 bcn_channel; 1217 unsigned short ht_cap_info; 1218 unsigned char ht_info_infos_0; 1219 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv; 1220 int ssid_len; 1221 1222 if (is_client_associated_to_ap(Adapter) == false) 1223 return true; 1224 1225 len = packet_len - sizeof(struct ieee80211_hdr_3addr); 1226 1227 if (len > MAX_IE_SZ) 1228 return _FAIL; 1229 1230 if (memcmp(cur_network->network.MacAddress, pbssid, 6)) 1231 return true; 1232 1233 bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex)); 1234 if (!bssid) 1235 return true; 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, 1287 &len, bssid->IELength - _FIXED_IE_LENGTH_); 1288 if (pht_info) 1289 bcn_channel = pht_info->primary_channel; 1290 else /* we don't find channel IE, so don't check it */ 1291 bcn_channel = Adapter->mlmeextpriv.cur_channel; 1292 } 1293 1294 if (bcn_channel != Adapter->mlmeextpriv.cur_channel) 1295 goto _mismatch; 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' && 1311 bssid->Ssid.SsidLength != 0) /* not hidden ssid */ 1312 goto _mismatch; 1313 1314 /* check encryption info */ 1315 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid); 1316 1317 if (val16 & BIT(4)) 1318 bssid->Privacy = 1; 1319 else 1320 bssid->Privacy = 0; 1321 1322 if (cur_network->network.Privacy != bssid->Privacy) 1323 goto _mismatch; 1324 1325 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len); 1326 1327 if (rsn_len > 0) 1328 encryp_protocol = ENCRYP_PROTOCOL_WPA2; 1329 else if (wpa_len > 0) 1330 encryp_protocol = ENCRYP_PROTOCOL_WPA; 1331 else 1332 if (bssid->Privacy) 1333 encryp_protocol = ENCRYP_PROTOCOL_WEP; 1334 1335 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) 1336 goto _mismatch; 1337 1338 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) { 1339 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1340 if (pbuf && (wpa_ielen > 0)) { 1341 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher, 1342 &pairwise_cipher, &is_8021x); 1343 } else { 1344 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1345 1346 if (pbuf && (wpa_ielen > 0)) 1347 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher, 1348 &pairwise_cipher, &is_8021x); 1349 } 1350 1351 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || 1352 group_cipher != cur_network->BcnInfo.group_cipher) 1353 goto _mismatch; 1354 1355 if (is_8021x != cur_network->BcnInfo.is_8021x) 1356 goto _mismatch; 1357 } 1358 1359 kfree(bssid); 1360 return _SUCCESS; 1361 1362 _mismatch: 1363 kfree(bssid); 1364 1365 if (pmlmepriv->NumOfBcnInfoChkFail == 0) 1366 pmlmepriv->timeBcnInfoChkStart = jiffies; 1367 1368 pmlmepriv->NumOfBcnInfoChkFail++; 1369 1370 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS) 1371 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) { 1372 pmlmepriv->timeBcnInfoChkStart = 0; 1373 pmlmepriv->NumOfBcnInfoChkFail = 0; 1374 return _FAIL; 1375 } 1376 1377 return _SUCCESS; 1378 } 1379 1380 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta) 1381 { 1382 unsigned int i; 1383 unsigned int len; 1384 struct ndis_80211_var_ie *pIE; 1385 1386 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN); 1387 1388 for (i = 0; i < len;) { 1389 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i); 1390 1391 switch (pIE->ElementID) { 1392 case WLAN_EID_VENDOR_SPECIFIC: 1393 /* to update WMM parameter set while receiving beacon */ 1394 if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN) /* WMM */ 1395 if (WMM_param_handler(padapter, pIE)) 1396 report_wmm_edca_update(padapter); 1397 1398 break; 1399 1400 case WLAN_EID_HT_OPERATION: /* HT info */ 1401 /* HT_info_handler(padapter, pIE); */ 1402 bwmode_update_check(padapter, pIE); 1403 break; 1404 1405 case WLAN_EID_ERP_INFO: 1406 ERP_IE_handler(padapter, pIE); 1407 VCS_update(padapter, psta); 1408 break; 1409 1410 default: 1411 break; 1412 } 1413 1414 i += (pIE->Length + 2); 1415 } 1416 } 1417 1418 unsigned int is_ap_in_tkip(struct adapter *padapter) 1419 { 1420 u32 i; 1421 struct ndis_80211_var_ie *pIE; 1422 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1423 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1424 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1425 1426 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) { 1427 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) { 1428 pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i); 1429 1430 switch (pIE->ElementID) { 1431 case WLAN_EID_VENDOR_SPECIFIC: 1432 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4))) 1433 return true; 1434 1435 break; 1436 1437 case WLAN_EID_RSN: 1438 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4)) 1439 return true; 1440 break; 1441 1442 default: 1443 break; 1444 } 1445 1446 i += (pIE->Length + 2); 1447 } 1448 1449 return false; 1450 } else { 1451 return false; 1452 } 1453 } 1454 1455 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode) 1456 { 1457 unsigned char bit_offset; 1458 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1459 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1460 1461 if (!(pmlmeinfo->HT_enable)) 1462 return _FAIL; 1463 1464 bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5; 1465 1466 if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset)) 1467 return _SUCCESS; 1468 else 1469 return _FAIL; 1470 } 1471 1472 unsigned char get_highest_rate_idx(u32 mask) 1473 { 1474 int i; 1475 unsigned char rate_idx = 0; 1476 1477 for (i = 31; i >= 0; i--) { 1478 if (mask & BIT(i)) { 1479 rate_idx = i; 1480 break; 1481 } 1482 } 1483 1484 return rate_idx; 1485 } 1486 1487 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta) 1488 { 1489 rtw_hal_update_ra_mask(psta, 0); 1490 } 1491 1492 void set_sta_rate(struct adapter *padapter, struct sta_info *psta) 1493 { 1494 /* rate adaptive */ 1495 Update_RA_Entry(padapter, psta); 1496 } 1497 1498 static u32 get_realtek_assoc_AP_vender(struct ndis_80211_var_ie *pIE) 1499 { 1500 u32 Vender = HT_IOT_PEER_REALTEK; 1501 1502 if (pIE->Length >= 5) { 1503 if (pIE->data[4] == 1) 1504 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */ 1505 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */ 1506 if (pIE->data[5] & RT_HT_CAP_USE_92SE) 1507 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */ 1508 Vender = HT_IOT_PEER_REALTEK_92SE; 1509 1510 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP) 1511 Vender = HT_IOT_PEER_REALTEK_SOFTAP; 1512 1513 if (pIE->data[4] == 2) { 1514 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT) 1515 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP; 1516 1517 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT) 1518 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP; 1519 } 1520 } 1521 1522 return Vender; 1523 } 1524 1525 unsigned char check_assoc_AP(u8 *pframe, uint len) 1526 { 1527 unsigned int i; 1528 struct ndis_80211_var_ie *pIE; 1529 1530 for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) { 1531 pIE = (struct ndis_80211_var_ie *)(pframe + i); 1532 1533 switch (pIE->ElementID) { 1534 case WLAN_EID_VENDOR_SPECIFIC: 1535 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) 1536 return HT_IOT_PEER_ATHEROS; 1537 else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) || 1538 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) || 1539 (!memcmp(pIE->data, BROADCOM_OUI3, 3))) 1540 return HT_IOT_PEER_BROADCOM; 1541 else if (!memcmp(pIE->data, MARVELL_OUI, 3)) 1542 return HT_IOT_PEER_MARVELL; 1543 else if (!memcmp(pIE->data, RALINK_OUI, 3)) 1544 return HT_IOT_PEER_RALINK; 1545 else if (!memcmp(pIE->data, CISCO_OUI, 3)) 1546 return HT_IOT_PEER_CISCO; 1547 else if (!memcmp(pIE->data, REALTEK_OUI, 3)) 1548 return get_realtek_assoc_AP_vender(pIE); 1549 else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) 1550 return HT_IOT_PEER_AIRGO; 1551 else 1552 break; 1553 1554 default: 1555 break; 1556 } 1557 1558 i += (pIE->Length + 2); 1559 } 1560 1561 return HT_IOT_PEER_UNKNOWN; 1562 } 1563 1564 void update_IOT_info(struct adapter *padapter) 1565 { 1566 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1567 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1568 1569 switch (pmlmeinfo->assoc_AP_vendor) { 1570 case HT_IOT_PEER_MARVELL: 1571 pmlmeinfo->turboMode_cts2self = 1; 1572 pmlmeinfo->turboMode_rtsen = 0; 1573 break; 1574 1575 case HT_IOT_PEER_RALINK: 1576 pmlmeinfo->turboMode_cts2self = 0; 1577 pmlmeinfo->turboMode_rtsen = 1; 1578 /* disable high power */ 1579 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1580 break; 1581 case HT_IOT_PEER_REALTEK: 1582 /* rtw_write16(padapter, 0x4cc, 0xffff); */ 1583 /* rtw_write16(padapter, 0x546, 0x01c0); */ 1584 /* disable high power */ 1585 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1586 break; 1587 default: 1588 pmlmeinfo->turboMode_cts2self = 0; 1589 pmlmeinfo->turboMode_rtsen = 1; 1590 break; 1591 } 1592 } 1593 1594 void update_capinfo(struct adapter *Adapter, u16 updateCap) 1595 { 1596 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; 1597 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1598 bool ShortPreamble; 1599 1600 /* Check preamble mode, 2005.01.06, by rcnjko. */ 1601 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */ 1602 /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */ 1603 { 1604 if (updateCap & cShortPreamble) { 1605 /* Short Preamble */ 1606 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */ 1607 ShortPreamble = true; 1608 pmlmeinfo->preamble_mode = PREAMBLE_SHORT; 1609 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1610 } 1611 } else { 1612 /* Long Preamble */ 1613 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */ 1614 ShortPreamble = false; 1615 pmlmeinfo->preamble_mode = PREAMBLE_LONG; 1616 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1617 } 1618 } 1619 } 1620 1621 if (updateCap & cIBSS) { 1622 /* Filen: See 802.11-2007 p.91 */ 1623 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1624 } else { 1625 /* Filen: See 802.11-2007 p.90 */ 1626 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC)) { 1627 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1628 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) { 1629 if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */) 1630 /* Short Slot Time */ 1631 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1632 else 1633 /* Long Slot Time */ 1634 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1635 } else { 1636 /* B Mode */ 1637 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1638 } 1639 } 1640 1641 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime); 1642 } 1643 1644 void update_wireless_mode(struct adapter *padapter) 1645 { 1646 int network_type = 0; 1647 u32 SIFS_Timer; 1648 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1649 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1650 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1651 unsigned char *rate = cur_network->SupportedRates; 1652 1653 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) 1654 pmlmeinfo->HT_enable = 1; 1655 1656 if (pmlmeinfo->VHT_enable) 1657 network_type = WIRELESS_11AC; 1658 else if (pmlmeinfo->HT_enable) 1659 network_type = WIRELESS_11_24N; 1660 1661 if (rtw_is_cckratesonly_included(rate)) 1662 network_type |= WIRELESS_11B; 1663 else if (rtw_is_cckrates_included(rate)) 1664 network_type |= WIRELESS_11BG; 1665 else 1666 network_type |= WIRELESS_11G; 1667 1668 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode; 1669 1670 SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */ 1671 /* change this value if having IOT issues. */ 1672 1673 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer); 1674 1675 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode)); 1676 1677 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) 1678 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB); 1679 else 1680 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB); 1681 } 1682 1683 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode) 1684 { 1685 if (IsSupportedTxCCK(wireless_mode)) { 1686 /* Only B, B/G, and B/G/N AP could use CCK rate */ 1687 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4); 1688 psta->bssratelen = 4; 1689 } else { 1690 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3); 1691 psta->bssratelen = 3; 1692 } 1693 } 1694 1695 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx) 1696 { 1697 unsigned int ie_len; 1698 struct ndis_80211_var_ie *pIE; 1699 int supportRateNum = 0; 1700 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); 1701 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1702 1703 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len); 1704 if (!pIE) 1705 return _FAIL; 1706 if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates)) 1707 return _FAIL; 1708 1709 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len); 1710 supportRateNum = ie_len; 1711 1712 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len); 1713 if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum)) 1714 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len); 1715 1716 return _SUCCESS; 1717 } 1718 1719 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr) 1720 { 1721 struct sta_info *psta; 1722 u16 tid, param; 1723 struct recv_reorder_ctrl *preorder_ctrl; 1724 struct sta_priv *pstapriv = &padapter->stapriv; 1725 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req; 1726 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1727 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1728 1729 psta = rtw_get_stainfo(pstapriv, addr); 1730 1731 if (psta) { 1732 param = le16_to_cpu(preq->BA_para_set); 1733 tid = (param>>2)&0x0f; 1734 1735 preorder_ctrl = &psta->recvreorder_ctrl[tid]; 1736 1737 preorder_ctrl->indicate_seq = 0xffff; 1738 1739 preorder_ctrl->enable = pmlmeinfo->accept_addba_req; 1740 } 1741 } 1742 1743 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1744 { 1745 u8 *pIE; 1746 __le32 *pbuf; 1747 1748 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1749 pbuf = (__le32 *)pIE; 1750 1751 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1)); 1752 1753 pmlmeext->TSFValue = pmlmeext->TSFValue << 32; 1754 1755 pmlmeext->TSFValue |= le32_to_cpu(*pbuf); 1756 } 1757 1758 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext) 1759 { 1760 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL); 1761 } 1762 1763 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1764 { 1765 int i; 1766 u8 *pIE; 1767 __le32 *pbuf; 1768 u64 tsf = 0; 1769 u32 delay_ms; 1770 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1771 1772 pmlmeext->bcn_cnt++; 1773 1774 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1775 pbuf = (__le32 *)pIE; 1776 1777 tsf = le32_to_cpu(*(pbuf+1)); 1778 tsf = tsf << 32; 1779 tsf |= le32_to_cpu(*pbuf); 1780 1781 /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */ 1782 /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */ 1783 delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024)); 1784 delay_ms = delay_ms/1000; 1785 1786 if (delay_ms >= 8) 1787 pmlmeext->bcn_delay_cnt[8]++; 1788 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */ 1789 else 1790 pmlmeext->bcn_delay_cnt[delay_ms]++; 1791 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */ 1792 1793 /* 1794 1795 for (i = 0; i<9; i++) 1796 { 1797 pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]); 1798 } 1799 */ 1800 1801 /* dump for adaptive_early_32k */ 1802 if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) { 1803 u8 ratio_20_delay, ratio_80_delay; 1804 u8 DrvBcnEarly, DrvBcnTimeOut; 1805 1806 ratio_20_delay = 0; 1807 ratio_80_delay = 0; 1808 DrvBcnEarly = 0xff; 1809 DrvBcnTimeOut = 0xff; 1810 1811 for (i = 0; i < 9; i++) { 1812 pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt; 1813 1814 ratio_20_delay += pmlmeext->bcn_delay_ratio[i]; 1815 ratio_80_delay += pmlmeext->bcn_delay_ratio[i]; 1816 1817 if (ratio_20_delay > 20 && DrvBcnEarly == 0xff) 1818 DrvBcnEarly = i; 1819 1820 if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff) 1821 DrvBcnTimeOut = i; 1822 1823 /* reset adaptive_early_32k cnt */ 1824 pmlmeext->bcn_delay_cnt[i] = 0; 1825 pmlmeext->bcn_delay_ratio[i] = 0; 1826 } 1827 1828 pmlmeext->DrvBcnEarly = DrvBcnEarly; 1829 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut; 1830 1831 pmlmeext->bcn_cnt = 0; 1832 } 1833 } 1834 1835 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta) 1836 { 1837 int i; 1838 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 1839 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1840 1841 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 1842 return; 1843 1844 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) { 1845 psta->mac_id = NUM_STA; 1846 return; 1847 } 1848 1849 spin_lock_bh(&pdvobj->lock); 1850 for (i = 0; i < NUM_STA; i++) { 1851 if (pdvobj->macid[i] == false) { 1852 pdvobj->macid[i] = true; 1853 break; 1854 } 1855 } 1856 spin_unlock_bh(&pdvobj->lock); 1857 1858 if (i > (NUM_STA - 1)) 1859 psta->mac_id = NUM_STA; 1860 else 1861 psta->mac_id = i; 1862 } 1863 1864 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta) 1865 { 1866 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 1867 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1868 1869 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 1870 return; 1871 1872 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) 1873 return; 1874 1875 spin_lock_bh(&pdvobj->lock); 1876 if (psta->mac_id < NUM_STA && psta->mac_id != 1) { 1877 if (pdvobj->macid[psta->mac_id] == true) { 1878 pdvobj->macid[psta->mac_id] = false; 1879 psta->mac_id = NUM_STA; 1880 } 1881 } 1882 spin_unlock_bh(&pdvobj->lock); 1883 } 1884 1885 /* For 8188E RA */ 1886 u8 rtw_search_max_mac_id(struct adapter *padapter) 1887 { 1888 u8 max_mac_id = 0; 1889 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1890 int i; 1891 1892 spin_lock_bh(&pdvobj->lock); 1893 for (i = (NUM_STA-1); i >= 0 ; i--) { 1894 if (pdvobj->macid[i] == true) 1895 break; 1896 } 1897 max_mac_id = i; 1898 spin_unlock_bh(&pdvobj->lock); 1899 1900 return max_mac_id; 1901 } 1902 1903 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj) 1904 { 1905 if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0) 1906 return NULL; 1907 1908 return dvobj->padapters; 1909 } 1910