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