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