1 // SPDX-License-Identifier: GPL-2.0 2 /****************************************************************************** 3 * 4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. 5 * 6 ******************************************************************************/ 7 #define _RTW_WLAN_UTIL_C_ 8 9 #include <drv_types.h> 10 #include <rtw_debug.h> 11 #include <hal_com_h2c.h> 12 13 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f}; 14 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74}; 15 16 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18}; 17 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7}; 18 static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5}; 19 20 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96}; 21 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43}; 22 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43}; 23 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c}; 24 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5}; 25 static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02}; 26 static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02}; 27 28 #define R2T_PHY_DELAY (0) 29 30 /* define WAIT_FOR_BCN_TO_MIN (3000) */ 31 #define WAIT_FOR_BCN_TO_MIN (6000) 32 #define WAIT_FOR_BCN_TO_MAX (20000) 33 34 #define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000 35 #define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3 36 37 static u8 rtw_basic_rate_cck[4] = { 38 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK, 39 IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK, 40 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK, 41 IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK 42 }; 43 44 static u8 rtw_basic_rate_ofdm[3] = { 45 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK, 46 IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK, 47 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK 48 }; 49 50 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta) 51 { 52 u8 raid, cur_rf_type, rf_type = RF_1T1R; 53 54 rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type)); 55 56 if (cur_rf_type == RF_1T1R) { 57 rf_type = RF_1T1R; 58 } else if (IsSupportedVHT(psta->wireless_mode)) { 59 if (psta->ra_mask & 0xffc00000) 60 rf_type = RF_2T2R; 61 } else if (IsSupportedHT(psta->wireless_mode)) { 62 if (psta->ra_mask & 0xfff00000) 63 rf_type = RF_2T2R; 64 } 65 66 switch (psta->wireless_mode) { 67 case WIRELESS_11B: 68 raid = RATEID_IDX_B; 69 break; 70 case WIRELESS_11A: 71 case WIRELESS_11G: 72 raid = RATEID_IDX_G; 73 break; 74 case WIRELESS_11BG: 75 raid = RATEID_IDX_BG; 76 break; 77 case WIRELESS_11_24N: 78 case WIRELESS_11_5N: 79 case WIRELESS_11A_5N: 80 case WIRELESS_11G_24N: 81 if (rf_type == RF_2T2R) 82 raid = RATEID_IDX_GN_N2SS; 83 else 84 raid = RATEID_IDX_GN_N1SS; 85 break; 86 case WIRELESS_11B_24N: 87 case WIRELESS_11BG_24N: 88 if (psta->bw_mode == CHANNEL_WIDTH_20) { 89 if (rf_type == RF_2T2R) 90 raid = RATEID_IDX_BGN_20M_2SS_BN; 91 else 92 raid = RATEID_IDX_BGN_20M_1SS_BN; 93 } else { 94 if (rf_type == RF_2T2R) 95 raid = RATEID_IDX_BGN_40M_2SS; 96 else 97 raid = RATEID_IDX_BGN_40M_1SS; 98 } 99 break; 100 default: 101 raid = RATEID_IDX_BGN_40M_2SS; 102 break; 103 } 104 return raid; 105 } 106 107 unsigned char ratetbl_val_2wifirate(unsigned char rate); 108 unsigned char ratetbl_val_2wifirate(unsigned char rate) 109 { 110 switch (rate & 0x7f) { 111 case 0: 112 return IEEE80211_CCK_RATE_1MB; 113 case 1: 114 return IEEE80211_CCK_RATE_2MB; 115 case 2: 116 return IEEE80211_CCK_RATE_5MB; 117 case 3: 118 return IEEE80211_CCK_RATE_11MB; 119 case 4: 120 return IEEE80211_OFDM_RATE_6MB; 121 case 5: 122 return IEEE80211_OFDM_RATE_9MB; 123 case 6: 124 return IEEE80211_OFDM_RATE_12MB; 125 case 7: 126 return IEEE80211_OFDM_RATE_18MB; 127 case 8: 128 return IEEE80211_OFDM_RATE_24MB; 129 case 9: 130 return IEEE80211_OFDM_RATE_36MB; 131 case 10: 132 return IEEE80211_OFDM_RATE_48MB; 133 case 11: 134 return IEEE80211_OFDM_RATE_54MB; 135 default: 136 return 0; 137 } 138 } 139 140 int is_basicrate(struct adapter *padapter, unsigned char rate); 141 int is_basicrate(struct adapter *padapter, unsigned char rate) 142 { 143 int i; 144 unsigned char val; 145 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 146 147 for (i = 0; i < NumRates; i++) { 148 val = pmlmeext->basicrate[i]; 149 150 if ((val != 0xff) && (val != 0xfe)) 151 if (rate == ratetbl_val_2wifirate(val)) 152 return true; 153 } 154 155 return false; 156 } 157 158 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset); 159 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset) 160 { 161 int i; 162 unsigned char rate; 163 unsigned int len = 0; 164 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 165 166 for (i = 0; i < NumRates; i++) { 167 rate = pmlmeext->datarate[i]; 168 169 switch (rate) { 170 case 0xff: 171 return len; 172 173 case 0xfe: 174 continue; 175 176 default: 177 rate = ratetbl_val_2wifirate(rate); 178 179 if (is_basicrate(padapter, rate) == true) 180 rate |= IEEE80211_BASIC_RATE_MASK; 181 182 rateset[len] = rate; 183 len++; 184 break; 185 } 186 } 187 return len; 188 } 189 190 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len) 191 { 192 unsigned char supportedrates[NumRates]; 193 194 memset(supportedrates, 0, NumRates); 195 *bssrate_len = ratetbl2rateset(padapter, supportedrates); 196 memcpy(pbssrate, supportedrates, *bssrate_len); 197 } 198 199 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask) 200 { 201 u8 mcs_rate_1r = (u8)(mask&0xff); 202 u8 mcs_rate_2r = (u8)((mask>>8)&0xff); 203 u8 mcs_rate_3r = (u8)((mask>>16)&0xff); 204 u8 mcs_rate_4r = (u8)((mask>>24)&0xff); 205 206 mcs_set[0] &= mcs_rate_1r; 207 mcs_set[1] &= mcs_rate_2r; 208 mcs_set[2] &= mcs_rate_3r; 209 mcs_set[3] &= mcs_rate_4r; 210 } 211 212 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS) 213 { 214 u8 i; 215 u8 rate; 216 217 /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */ 218 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) { 219 rate = mBratesOS[i] & 0x7f; 220 switch (rate) { 221 case IEEE80211_CCK_RATE_1MB: 222 case IEEE80211_CCK_RATE_2MB: 223 case IEEE80211_CCK_RATE_5MB: 224 case IEEE80211_CCK_RATE_11MB: 225 case IEEE80211_OFDM_RATE_6MB: 226 case IEEE80211_OFDM_RATE_12MB: 227 case IEEE80211_OFDM_RATE_24MB: 228 mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK; 229 break; 230 } 231 } 232 } 233 234 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen) 235 { 236 u8 i; 237 u8 rate; 238 239 for (i = 0; i < bssratelen; i++) { 240 rate = bssrateset[i] & 0x7f; 241 switch (rate) { 242 case IEEE80211_CCK_RATE_1MB: 243 case IEEE80211_CCK_RATE_2MB: 244 case IEEE80211_CCK_RATE_5MB: 245 case IEEE80211_CCK_RATE_11MB: 246 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK; 247 break; 248 } 249 } 250 } 251 252 void Save_DM_Func_Flag(struct adapter *padapter) 253 { 254 u8 bSaveFlag = true; 255 256 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag)); 257 } 258 259 void Restore_DM_Func_Flag(struct adapter *padapter) 260 { 261 u8 bSaveFlag = false; 262 263 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag)); 264 } 265 266 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable) 267 { 268 if (enable == true) 269 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode)); 270 else 271 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode)); 272 } 273 274 void Set_MSR(struct adapter *padapter, u8 type) 275 { 276 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type)); 277 } 278 279 inline u8 rtw_get_oper_ch(struct adapter *adapter) 280 { 281 return adapter_to_dvobj(adapter)->oper_channel; 282 } 283 284 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch) 285 { 286 #ifdef DBG_CH_SWITCH 287 const int len = 128; 288 char msg[128] = {0}; 289 int cnt = 0; 290 int i = 0; 291 #endif /* DBG_CH_SWITCH */ 292 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 293 294 if (dvobj->oper_channel != ch) { 295 dvobj->on_oper_ch_time = jiffies; 296 297 #ifdef DBG_CH_SWITCH 298 cnt += scnprintf(msg+cnt, len-cnt, "switch to ch %3u", ch); 299 300 for (i = 0; i < dvobj->iface_nums; i++) { 301 struct adapter *iface = dvobj->padapters[i]; 302 303 cnt += scnprintf(msg+cnt, len-cnt, " [%s:", ADPT_ARG(iface)); 304 if (iface->mlmeextpriv.cur_channel == ch) 305 cnt += scnprintf(msg+cnt, len-cnt, "C"); 306 else 307 cnt += scnprintf(msg+cnt, len-cnt, "_"); 308 if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE)) 309 cnt += scnprintf(msg+cnt, len-cnt, "L"); 310 else 311 cnt += scnprintf(msg+cnt, len-cnt, "_"); 312 cnt += scnprintf(msg+cnt, len-cnt, "]"); 313 } 314 315 #endif /* DBG_CH_SWITCH */ 316 } 317 318 dvobj->oper_channel = ch; 319 } 320 321 inline u8 rtw_get_oper_bw(struct adapter *adapter) 322 { 323 return adapter_to_dvobj(adapter)->oper_bwmode; 324 } 325 326 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw) 327 { 328 adapter_to_dvobj(adapter)->oper_bwmode = bw; 329 } 330 331 inline u8 rtw_get_oper_choffset(struct adapter *adapter) 332 { 333 return adapter_to_dvobj(adapter)->oper_ch_offset; 334 } 335 336 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset) 337 { 338 adapter_to_dvobj(adapter)->oper_ch_offset = offset; 339 } 340 341 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset) 342 { 343 u8 center_ch = channel; 344 345 if (chnl_bw == CHANNEL_WIDTH_80) { 346 center_ch = 7; 347 } else if (chnl_bw == CHANNEL_WIDTH_40) { 348 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER) 349 center_ch = channel + 2; 350 else 351 center_ch = channel - 2; 352 } 353 354 return center_ch; 355 } 356 357 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter) 358 { 359 if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel) 360 return adapter_to_dvobj(adapter)->on_oper_ch_time; 361 else 362 return 0; 363 } 364 365 void SelectChannel(struct adapter *padapter, unsigned char channel) 366 { 367 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) 368 return; 369 370 /* saved channel info */ 371 rtw_set_oper_ch(padapter, channel); 372 373 rtw_hal_set_chan(padapter, channel); 374 375 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex)); 376 } 377 378 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode) 379 { 380 u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 381 382 center_ch = rtw_get_center_ch(channel, bwmode, channel_offset); 383 384 if (bwmode == CHANNEL_WIDTH_80) { 385 if (center_ch > channel) 386 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER; 387 else if (center_ch < channel) 388 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER; 389 else 390 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 391 } 392 393 /* set Channel */ 394 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) 395 return; 396 397 /* saved channel/bw info */ 398 rtw_set_oper_ch(padapter, channel); 399 rtw_set_oper_bw(padapter, bwmode); 400 rtw_set_oper_choffset(padapter, channel_offset); 401 402 rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /* set center channel */ 403 404 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex)); 405 } 406 407 inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork) 408 { 409 return pnetwork->MacAddress; 410 } 411 412 u16 get_beacon_interval(struct wlan_bssid_ex *bss) 413 { 414 __le16 val; 415 416 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2); 417 418 return le16_to_cpu(val); 419 } 420 421 int is_client_associated_to_ap(struct adapter *padapter) 422 { 423 struct mlme_ext_priv *pmlmeext; 424 struct mlme_ext_info *pmlmeinfo; 425 426 if (!padapter) 427 return _FAIL; 428 429 pmlmeext = &padapter->mlmeextpriv; 430 pmlmeinfo = &(pmlmeext->mlmext_info); 431 432 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE)) 433 return true; 434 else 435 return _FAIL; 436 } 437 438 int is_client_associated_to_ibss(struct adapter *padapter) 439 { 440 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 441 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 442 443 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 444 return true; 445 else 446 return _FAIL; 447 } 448 449 int is_IBSS_empty(struct adapter *padapter) 450 { 451 unsigned int i; 452 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 453 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 454 455 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) { 456 if (pmlmeinfo->FW_sta_info[i].status == 1) 457 return _FAIL; 458 } 459 460 return true; 461 } 462 463 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval) 464 { 465 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN) 466 return WAIT_FOR_BCN_TO_MIN; 467 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX) 468 return WAIT_FOR_BCN_TO_MAX; 469 else 470 return bcn_interval << 2; 471 } 472 473 void invalidate_cam_all(struct adapter *padapter) 474 { 475 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 476 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 477 478 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL); 479 480 spin_lock_bh(&cam_ctl->lock); 481 cam_ctl->bitmap = 0; 482 memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY); 483 spin_unlock_bh(&cam_ctl->lock); 484 } 485 486 static u32 _ReadCAM(struct adapter *padapter, u32 addr) 487 { 488 u32 count = 0, cmd; 489 490 cmd = CAM_POLLINIG | addr; 491 rtw_write32(padapter, RWCAM, cmd); 492 493 do { 494 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG)) 495 break; 496 } while (count++ < 100); 497 498 return rtw_read32(padapter, REG_CAMREAD); 499 } 500 501 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key) 502 { 503 u32 j, addr, cmd; 504 505 addr = entry << 3; 506 507 for (j = 0; j < 6; j++) { 508 cmd = _ReadCAM(padapter, addr+j); 509 if (j > 1) /* get key from cam */ 510 memcpy(get_key+(j-2)*4, &cmd, 4); 511 } 512 } 513 514 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key) 515 { 516 unsigned int i, val, addr; 517 int j; 518 u32 cam_val[2]; 519 520 addr = entry << 3; 521 522 for (j = 5; j >= 0; j--) { 523 switch (j) { 524 case 0: 525 val = (ctrl | (mac[0] << 16) | (mac[1] << 24)); 526 break; 527 case 1: 528 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24)); 529 break; 530 default: 531 i = (j - 2) << 2; 532 val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24)); 533 break; 534 } 535 536 cam_val[0] = val; 537 cam_val[1] = addr + (unsigned int)j; 538 539 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val); 540 } 541 } 542 543 void _clear_cam_entry(struct adapter *padapter, u8 entry) 544 { 545 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 546 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 547 548 _write_cam(padapter, entry, 0, null_sta, null_key); 549 } 550 551 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 552 { 553 _write_cam(adapter, id, ctrl, mac, key); 554 write_cam_cache(adapter, id, ctrl, mac, key); 555 } 556 557 inline void clear_cam_entry(struct adapter *adapter, u8 id) 558 { 559 _clear_cam_entry(adapter, id); 560 clear_cam_cache(adapter, id); 561 } 562 563 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 564 { 565 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 566 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 567 568 spin_lock_bh(&cam_ctl->lock); 569 570 dvobj->cam_cache[id].ctrl = ctrl; 571 memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN); 572 memcpy(dvobj->cam_cache[id].key, key, 16); 573 574 spin_unlock_bh(&cam_ctl->lock); 575 } 576 577 void clear_cam_cache(struct adapter *adapter, u8 id) 578 { 579 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 580 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 581 582 spin_lock_bh(&cam_ctl->lock); 583 584 memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache)); 585 586 spin_unlock_bh(&cam_ctl->lock); 587 } 588 589 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id) 590 { 591 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 592 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 593 bool ret = false; 594 595 if (cam_id >= TOTAL_CAM_ENTRY) 596 goto exit; 597 598 if (!(cam_ctl->bitmap & BIT(cam_id))) 599 goto exit; 600 601 ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false; 602 603 exit: 604 return ret; 605 } 606 607 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 608 { 609 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 610 int i; 611 s16 cam_id = -1; 612 613 for (i = 0; i < TOTAL_CAM_ENTRY; i++) { 614 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN)) 615 continue; 616 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03)) 617 continue; 618 619 cam_id = i; 620 break; 621 } 622 623 return cam_id; 624 } 625 626 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 627 { 628 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 629 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 630 s16 cam_id = -1; 631 632 spin_lock_bh(&cam_ctl->lock); 633 cam_id = _rtw_camid_search(adapter, addr, kid); 634 spin_unlock_bh(&cam_ctl->lock); 635 636 return cam_id; 637 } 638 639 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid) 640 { 641 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 642 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 643 s16 cam_id = -1; 644 struct mlme_ext_info *mlmeinfo; 645 646 spin_lock_bh(&cam_ctl->lock); 647 648 mlmeinfo = &adapter->mlmeextpriv.mlmext_info; 649 650 if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 651 && !sta) { 652 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */ 653 if (kid > 3) { 654 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key with invalid key id:%u\n" 655 , FUNC_ADPT_ARG(adapter), kid); 656 rtw_warn_on(1); 657 goto bitmap_handle; 658 } 659 660 cam_id = kid; 661 } else { 662 int i; 663 u8 *addr = sta?sta->hwaddr:NULL; 664 665 if (!sta) { 666 if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) { 667 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */ 668 goto bitmap_handle; 669 } 670 671 addr = get_bssid(&adapter->mlmepriv); 672 } 673 674 i = _rtw_camid_search(adapter, addr, kid); 675 if (i >= 0) { 676 /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */ 677 if (sta || _rtw_camid_is_gk(adapter, i)) 678 cam_id = i; 679 else 680 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u the same key id as pairwise key\n" 681 , FUNC_ADPT_ARG(adapter), kid); 682 goto bitmap_handle; 683 } 684 685 for (i = 4; i < TOTAL_CAM_ENTRY; i++) 686 if (!(cam_ctl->bitmap & BIT(i))) 687 break; 688 689 if (i == TOTAL_CAM_ENTRY) { 690 if (sta) 691 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" pairwise key with %pM id:%u no room\n" 692 , FUNC_ADPT_ARG(adapter), MAC_ARG(sta->hwaddr), kid); 693 else 694 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u no room\n" 695 , FUNC_ADPT_ARG(adapter), kid); 696 rtw_warn_on(1); 697 goto bitmap_handle; 698 } 699 700 cam_id = i; 701 } 702 703 bitmap_handle: 704 if (cam_id >= 0 && cam_id < 32) 705 cam_ctl->bitmap |= BIT(cam_id); 706 707 spin_unlock_bh(&cam_ctl->lock); 708 709 return cam_id; 710 } 711 712 void rtw_camid_free(struct adapter *adapter, u8 cam_id) 713 { 714 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 715 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 716 717 spin_lock_bh(&cam_ctl->lock); 718 719 if (cam_id < TOTAL_CAM_ENTRY) 720 cam_ctl->bitmap &= ~(BIT(cam_id)); 721 722 spin_unlock_bh(&cam_ctl->lock); 723 } 724 725 int allocate_fw_sta_entry(struct adapter *padapter) 726 { 727 unsigned int mac_id; 728 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 729 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 730 731 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) { 732 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) { 733 pmlmeinfo->FW_sta_info[mac_id].status = 1; 734 pmlmeinfo->FW_sta_info[mac_id].retry = 0; 735 break; 736 } 737 } 738 739 return mac_id; 740 } 741 742 void flush_all_cam_entry(struct adapter *padapter) 743 { 744 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 745 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 746 747 invalidate_cam_all(padapter); 748 /* clear default key related key search setting */ 749 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false); 750 751 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info)); 752 } 753 754 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 755 { 756 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 757 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 758 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 759 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 760 761 if (pmlmepriv->qospriv.qos_option == 0) { 762 pmlmeinfo->WMM_enable = 0; 763 return false; 764 } 765 766 if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element))) 767 return false; 768 else 769 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)); 770 771 pmlmeinfo->WMM_enable = 1; 772 return true; 773 } 774 775 void WMMOnAssocRsp(struct adapter *padapter) 776 { 777 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime; 778 u8 acm_mask; 779 u16 TXOP; 780 u32 acParm, i; 781 u32 edca[4], inx[4]; 782 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 783 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 784 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 785 struct registry_priv *pregpriv = &padapter->registrypriv; 786 787 acm_mask = 0; 788 789 if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N) 790 aSifsTime = 16; 791 else 792 aSifsTime = 10; 793 794 if (pmlmeinfo->WMM_enable == 0) { 795 padapter->mlmepriv.acm_mask = 0; 796 797 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime); 798 799 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) { 800 ECWMin = 4; 801 ECWMax = 10; 802 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) { 803 ECWMin = 5; 804 ECWMax = 10; 805 } else { 806 ECWMin = 4; 807 ECWMax = 10; 808 } 809 810 TXOP = 0; 811 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 812 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 813 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 814 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 815 816 ECWMin = 2; 817 ECWMax = 3; 818 TXOP = 0x2f; 819 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 820 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 821 } else { 822 edca[0] = edca[1] = edca[2] = edca[3] = 0; 823 824 for (i = 0; i < 4; i++) { 825 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03; 826 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01; 827 828 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */ 829 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime; 830 831 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f); 832 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4; 833 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit); 834 835 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 836 837 switch (ACI) { 838 case 0x0: 839 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 840 acm_mask |= (ACM ? BIT(1):0); 841 edca[XMIT_BE_QUEUE] = acParm; 842 break; 843 844 case 0x1: 845 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 846 /* acm_mask |= (ACM? BIT(0):0); */ 847 edca[XMIT_BK_QUEUE] = acParm; 848 break; 849 850 case 0x2: 851 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 852 acm_mask |= (ACM ? BIT(2):0); 853 edca[XMIT_VI_QUEUE] = acParm; 854 break; 855 856 case 0x3: 857 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 858 acm_mask |= (ACM ? BIT(3):0); 859 edca[XMIT_VO_QUEUE] = acParm; 860 break; 861 } 862 } 863 864 if (padapter->registrypriv.acm_method == 1) 865 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask)); 866 else 867 padapter->mlmepriv.acm_mask = acm_mask; 868 869 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; 870 871 if (pregpriv->wifi_spec == 1) { 872 u32 j, tmp, change_inx = false; 873 874 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */ 875 for (i = 0; i < 4; i++) { 876 for (j = i+1; j < 4; j++) { 877 /* compare CW and AIFS */ 878 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) { 879 change_inx = true; 880 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) { 881 /* compare TXOP */ 882 if ((edca[j] >> 16) > (edca[i] >> 16)) 883 change_inx = true; 884 } 885 886 if (change_inx) { 887 tmp = edca[i]; 888 edca[i] = edca[j]; 889 edca[j] = tmp; 890 891 tmp = inx[i]; 892 inx[i] = inx[j]; 893 inx[j] = tmp; 894 895 change_inx = false; 896 } 897 } 898 } 899 } 900 901 for (i = 0; i < 4; i++) 902 pxmitpriv->wmm_para_seq[i] = inx[i]; 903 } 904 } 905 906 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 907 { 908 unsigned char new_bwmode; 909 unsigned char new_ch_offset; 910 struct HT_info_element *pHT_info; 911 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 912 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 913 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 914 struct registry_priv *pregistrypriv = &padapter->registrypriv; 915 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 916 u8 cbw40_enable = 0; 917 918 if (!pIE) 919 return; 920 921 if (phtpriv->ht_option == false) 922 return; 923 924 if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80) 925 return; 926 927 if (pIE->Length > sizeof(struct HT_info_element)) 928 return; 929 930 pHT_info = (struct HT_info_element *)pIE->data; 931 932 if (pmlmeext->cur_channel > 14) { 933 if ((pregistrypriv->bw_mode & 0xf0) > 0) 934 cbw40_enable = 1; 935 } else { 936 if ((pregistrypriv->bw_mode & 0x0f) > 0) 937 cbw40_enable = 1; 938 } 939 940 if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) { 941 new_bwmode = CHANNEL_WIDTH_40; 942 943 switch (pHT_info->infos[0] & 0x3) { 944 case 1: 945 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; 946 break; 947 948 case 3: 949 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; 950 break; 951 952 default: 953 new_bwmode = CHANNEL_WIDTH_20; 954 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 955 break; 956 } 957 } else { 958 new_bwmode = CHANNEL_WIDTH_20; 959 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 960 } 961 962 if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) { 963 pmlmeinfo->bwmode_updated = true; 964 965 pmlmeext->cur_bwmode = new_bwmode; 966 pmlmeext->cur_ch_offset = new_ch_offset; 967 968 /* update HT info also */ 969 HT_info_handler(padapter, pIE); 970 } else { 971 pmlmeinfo->bwmode_updated = false; 972 } 973 974 if (true == pmlmeinfo->bwmode_updated) { 975 struct sta_info *psta; 976 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 977 struct sta_priv *pstapriv = &padapter->stapriv; 978 979 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 980 981 /* update ap's stainfo */ 982 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress); 983 if (psta) { 984 struct ht_priv *phtpriv_sta = &psta->htpriv; 985 986 if (phtpriv_sta->ht_option) { 987 /* bwmode */ 988 psta->bw_mode = pmlmeext->cur_bwmode; 989 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; 990 } else { 991 psta->bw_mode = CHANNEL_WIDTH_20; 992 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 993 } 994 995 rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta); 996 } 997 } 998 } 999 1000 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1001 { 1002 unsigned int i; 1003 u8 rf_type; 1004 u8 max_AMPDU_len, min_MPDU_spacing; 1005 u8 cur_ldpc_cap = 0, cur_stbc_cap = 0; 1006 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1007 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1008 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1009 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1010 1011 if (!pIE) 1012 return; 1013 1014 if (phtpriv->ht_option == false) 1015 return; 1016 1017 pmlmeinfo->HT_caps_enable = 1; 1018 1019 for (i = 0; i < (pIE->Length); i++) { 1020 if (i != 2) { 1021 /* Commented by Albert 2010/07/12 */ 1022 /* Got the endian issue here. */ 1023 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]); 1024 } else { 1025 /* modify from fw by Thomas 2010/11/17 */ 1026 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3)) 1027 max_AMPDU_len = (pIE->data[i] & 0x3); 1028 else 1029 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3); 1030 1031 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c)) 1032 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c); 1033 else 1034 min_MPDU_spacing = (pIE->data[i] & 0x1c); 1035 1036 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing; 1037 } 1038 } 1039 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); 1040 1041 /* update the MCS set */ 1042 for (i = 0; i < 16; i++) 1043 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i]; 1044 1045 /* update the MCS rates */ 1046 switch (rf_type) { 1047 case RF_1T1R: 1048 case RF_1T2R: 1049 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R); 1050 break; 1051 case RF_2T2R: 1052 default: 1053 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); 1054 } 1055 1056 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { 1057 /* Config STBC setting */ 1058 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && 1059 GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data)) 1060 SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX); 1061 1062 phtpriv->stbc_cap = cur_stbc_cap; 1063 } else { 1064 /* Config LDPC Coding Capability */ 1065 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) && 1066 GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data)) 1067 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX)); 1068 1069 phtpriv->ldpc_cap = cur_ldpc_cap; 1070 1071 /* Config STBC setting */ 1072 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && 1073 GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data)) 1074 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX)); 1075 1076 phtpriv->stbc_cap = cur_stbc_cap; 1077 } 1078 } 1079 1080 void HT_info_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 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1085 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1086 1087 if (!pIE) 1088 return; 1089 1090 if (phtpriv->ht_option == false) 1091 return; 1092 1093 if (pIE->Length > sizeof(struct HT_info_element)) 1094 return; 1095 1096 pmlmeinfo->HT_info_enable = 1; 1097 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length); 1098 } 1099 1100 void HTOnAssocRsp(struct adapter *padapter) 1101 { 1102 unsigned char max_AMPDU_len; 1103 unsigned char min_MPDU_spacing; 1104 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 1105 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1106 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1107 1108 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) { 1109 pmlmeinfo->HT_enable = 1; 1110 } else { 1111 pmlmeinfo->HT_enable = 0; 1112 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 1113 return; 1114 } 1115 1116 /* handle A-MPDU parameter field */ 1117 /* 1118 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k 1119 AMPDU_para [4:2]:Min MPDU Start Spacing 1120 */ 1121 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03; 1122 1123 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2; 1124 1125 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing)); 1126 1127 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len)); 1128 } 1129 1130 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1131 { 1132 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1133 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1134 1135 if (pIE->Length > 1) 1136 return; 1137 1138 pmlmeinfo->ERP_enable = 1; 1139 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length); 1140 } 1141 1142 void VCS_update(struct adapter *padapter, struct sta_info *psta) 1143 { 1144 struct registry_priv *pregpriv = &padapter->registrypriv; 1145 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1146 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1147 1148 switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */ 1149 case 0: /* off */ 1150 psta->rtsen = 0; 1151 psta->cts2self = 0; 1152 break; 1153 1154 case 1: /* on */ 1155 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */ 1156 psta->rtsen = 1; 1157 psta->cts2self = 0; 1158 } else { 1159 psta->rtsen = 0; 1160 psta->cts2self = 1; 1161 } 1162 break; 1163 1164 case 2: /* auto */ 1165 default: 1166 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) { 1167 if (pregpriv->vcs_type == 1) { 1168 psta->rtsen = 1; 1169 psta->cts2self = 0; 1170 } else { 1171 psta->rtsen = 0; 1172 psta->cts2self = 1; 1173 } 1174 } else { 1175 psta->rtsen = 0; 1176 psta->cts2self = 0; 1177 } 1178 break; 1179 } 1180 } 1181 1182 void update_ldpc_stbc_cap(struct sta_info *psta) 1183 { 1184 if (psta->htpriv.ht_option) { 1185 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX)) 1186 psta->ldpc = 1; 1187 1188 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX)) 1189 psta->stbc = 1; 1190 } else { 1191 psta->ldpc = 0; 1192 psta->stbc = 0; 1193 } 1194 } 1195 1196 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) 1197 { 1198 unsigned int len; 1199 unsigned char *p; 1200 unsigned short val16, subtype; 1201 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network); 1202 /* u8 wpa_ie[255], rsn_ie[255]; */ 1203 u16 wpa_len = 0, rsn_len = 0; 1204 u8 encryp_protocol = 0; 1205 struct wlan_bssid_ex *bssid; 1206 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0; 1207 unsigned char *pbuf; 1208 u32 wpa_ielen = 0; 1209 u8 *pbssid = GetAddr3Ptr(pframe); 1210 struct HT_info_element *pht_info = NULL; 1211 struct ieee80211_ht_cap *pht_cap = NULL; 1212 u32 bcn_channel; 1213 unsigned short ht_cap_info; 1214 unsigned char ht_info_infos_0; 1215 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv; 1216 int ssid_len; 1217 1218 if (is_client_associated_to_ap(Adapter) == false) 1219 return true; 1220 1221 len = packet_len - sizeof(struct ieee80211_hdr_3addr); 1222 1223 if (len > MAX_IE_SZ) 1224 return _FAIL; 1225 1226 if (memcmp(cur_network->network.MacAddress, pbssid, 6)) 1227 return true; 1228 1229 bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex)); 1230 if (!bssid) 1231 return true; 1232 1233 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) { 1234 pmlmepriv->timeBcnInfoChkStart = 0; 1235 pmlmepriv->NumOfBcnInfoChkFail = 0; 1236 } 1237 1238 subtype = GetFrameSubType(pframe) >> 4; 1239 1240 if (subtype == WIFI_BEACON) 1241 bssid->Reserved[0] = 1; 1242 1243 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len; 1244 1245 /* below is to copy the information element */ 1246 bssid->IELength = len; 1247 memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength); 1248 1249 /* check bw and channel offset */ 1250 /* parsing HT_CAP_IE */ 1251 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1252 if (p && len > 0) { 1253 pht_cap = (struct ieee80211_ht_cap *)(p + 2); 1254 ht_cap_info = le16_to_cpu(pht_cap->cap_info); 1255 } else { 1256 ht_cap_info = 0; 1257 } 1258 /* parsing HT_INFO_IE */ 1259 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1260 if (p && len > 0) { 1261 pht_info = (struct HT_info_element *)(p + 2); 1262 ht_info_infos_0 = pht_info->infos[0]; 1263 } else { 1264 ht_info_infos_0 = 0; 1265 } 1266 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info || 1267 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) { 1268 { 1269 /* bcn_info_update */ 1270 cur_network->BcnInfo.ht_cap_info = ht_cap_info; 1271 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0; 1272 /* to do : need to check that whether modify related register of BB or not */ 1273 } 1274 /* goto _mismatch; */ 1275 } 1276 1277 /* Checking for channel */ 1278 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1279 if (p) { 1280 bcn_channel = *(p + 2); 1281 } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */ 1282 rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, 1283 &len, bssid->IELength - _FIXED_IE_LENGTH_); 1284 if (pht_info) 1285 bcn_channel = pht_info->primary_channel; 1286 else /* we don't find channel IE, so don't check it */ 1287 bcn_channel = Adapter->mlmeextpriv.cur_channel; 1288 } 1289 1290 if (bcn_channel != Adapter->mlmeextpriv.cur_channel) 1291 goto _mismatch; 1292 1293 /* checking SSID */ 1294 ssid_len = 0; 1295 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1296 if (p) { 1297 ssid_len = *(p + 1); 1298 if (ssid_len > NDIS_802_11_LENGTH_SSID) 1299 ssid_len = 0; 1300 } 1301 memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len); 1302 bssid->Ssid.SsidLength = ssid_len; 1303 1304 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) || 1305 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) 1306 if (bssid->Ssid.Ssid[0] != '\0' && 1307 bssid->Ssid.SsidLength != 0) /* not hidden ssid */ 1308 goto _mismatch; 1309 1310 /* check encryption info */ 1311 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid); 1312 1313 if (val16 & BIT(4)) 1314 bssid->Privacy = 1; 1315 else 1316 bssid->Privacy = 0; 1317 1318 if (cur_network->network.Privacy != bssid->Privacy) 1319 goto _mismatch; 1320 1321 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len); 1322 1323 if (rsn_len > 0) 1324 encryp_protocol = ENCRYP_PROTOCOL_WPA2; 1325 else if (wpa_len > 0) 1326 encryp_protocol = ENCRYP_PROTOCOL_WPA; 1327 else 1328 if (bssid->Privacy) 1329 encryp_protocol = ENCRYP_PROTOCOL_WEP; 1330 1331 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) 1332 goto _mismatch; 1333 1334 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) { 1335 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1336 if (pbuf && (wpa_ielen > 0)) { 1337 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher, 1338 &pairwise_cipher, &is_8021x); 1339 } else { 1340 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1341 1342 if (pbuf && (wpa_ielen > 0)) 1343 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher, 1344 &pairwise_cipher, &is_8021x); 1345 } 1346 1347 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || 1348 group_cipher != cur_network->BcnInfo.group_cipher) 1349 goto _mismatch; 1350 1351 if (is_8021x != cur_network->BcnInfo.is_8021x) 1352 goto _mismatch; 1353 } 1354 1355 kfree(bssid); 1356 return _SUCCESS; 1357 1358 _mismatch: 1359 kfree(bssid); 1360 1361 if (pmlmepriv->NumOfBcnInfoChkFail == 0) 1362 pmlmepriv->timeBcnInfoChkStart = jiffies; 1363 1364 pmlmepriv->NumOfBcnInfoChkFail++; 1365 1366 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS) 1367 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) { 1368 pmlmepriv->timeBcnInfoChkStart = 0; 1369 pmlmepriv->NumOfBcnInfoChkFail = 0; 1370 return _FAIL; 1371 } 1372 1373 return _SUCCESS; 1374 } 1375 1376 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta) 1377 { 1378 unsigned int i; 1379 unsigned int len; 1380 struct ndis_80211_var_ie *pIE; 1381 1382 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN); 1383 1384 for (i = 0; i < len;) { 1385 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i); 1386 1387 switch (pIE->ElementID) { 1388 case WLAN_EID_VENDOR_SPECIFIC: 1389 /* to update WMM parameter set while receiving beacon */ 1390 if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN) /* WMM */ 1391 if (WMM_param_handler(padapter, pIE)) 1392 report_wmm_edca_update(padapter); 1393 1394 break; 1395 1396 case WLAN_EID_HT_OPERATION: /* HT info */ 1397 /* HT_info_handler(padapter, pIE); */ 1398 bwmode_update_check(padapter, pIE); 1399 break; 1400 1401 case WLAN_EID_ERP_INFO: 1402 ERP_IE_handler(padapter, pIE); 1403 VCS_update(padapter, psta); 1404 break; 1405 1406 default: 1407 break; 1408 } 1409 1410 i += (pIE->Length + 2); 1411 } 1412 } 1413 1414 unsigned int is_ap_in_tkip(struct adapter *padapter) 1415 { 1416 u32 i; 1417 struct ndis_80211_var_ie *pIE; 1418 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1419 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1420 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1421 1422 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) { 1423 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) { 1424 pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i); 1425 1426 switch (pIE->ElementID) { 1427 case WLAN_EID_VENDOR_SPECIFIC: 1428 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4))) 1429 return true; 1430 1431 break; 1432 1433 case WLAN_EID_RSN: 1434 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4)) 1435 return true; 1436 break; 1437 1438 default: 1439 break; 1440 } 1441 1442 i += (pIE->Length + 2); 1443 } 1444 1445 return false; 1446 } else { 1447 return false; 1448 } 1449 } 1450 1451 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode) 1452 { 1453 unsigned char bit_offset; 1454 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1455 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1456 1457 if (!(pmlmeinfo->HT_enable)) 1458 return _FAIL; 1459 1460 bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5; 1461 1462 if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset)) 1463 return _SUCCESS; 1464 else 1465 return _FAIL; 1466 } 1467 1468 unsigned char get_highest_rate_idx(u32 mask) 1469 { 1470 int i; 1471 unsigned char rate_idx = 0; 1472 1473 for (i = 31; i >= 0; i--) { 1474 if (mask & BIT(i)) { 1475 rate_idx = i; 1476 break; 1477 } 1478 } 1479 1480 return rate_idx; 1481 } 1482 1483 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta) 1484 { 1485 rtw_hal_update_ra_mask(psta, 0); 1486 } 1487 1488 void set_sta_rate(struct adapter *padapter, struct sta_info *psta) 1489 { 1490 /* rate adaptive */ 1491 Update_RA_Entry(padapter, psta); 1492 } 1493 1494 unsigned char check_assoc_AP(u8 *pframe, uint len) 1495 { 1496 unsigned int i; 1497 struct ndis_80211_var_ie *pIE; 1498 1499 for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) { 1500 pIE = (struct ndis_80211_var_ie *)(pframe + i); 1501 1502 switch (pIE->ElementID) { 1503 case WLAN_EID_VENDOR_SPECIFIC: 1504 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) { 1505 return HT_IOT_PEER_ATHEROS; 1506 } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) || 1507 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) || 1508 (!memcmp(pIE->data, BROADCOM_OUI3, 3))) { 1509 return HT_IOT_PEER_BROADCOM; 1510 } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) { 1511 return HT_IOT_PEER_MARVELL; 1512 } else if (!memcmp(pIE->data, RALINK_OUI, 3)) { 1513 return HT_IOT_PEER_RALINK; 1514 } else if (!memcmp(pIE->data, CISCO_OUI, 3)) { 1515 return HT_IOT_PEER_CISCO; 1516 } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) { 1517 u32 Vender = HT_IOT_PEER_REALTEK; 1518 1519 if (pIE->Length >= 5) { 1520 if (pIE->data[4] == 1) 1521 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */ 1522 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */ 1523 if (pIE->data[5] & RT_HT_CAP_USE_92SE) 1524 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */ 1525 Vender = HT_IOT_PEER_REALTEK_92SE; 1526 1527 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP) 1528 Vender = HT_IOT_PEER_REALTEK_SOFTAP; 1529 1530 if (pIE->data[4] == 2) { 1531 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT) 1532 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP; 1533 1534 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT) 1535 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP; 1536 } 1537 } 1538 1539 return Vender; 1540 } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) { 1541 return HT_IOT_PEER_AIRGO; 1542 } else { 1543 break; 1544 } 1545 1546 default: 1547 break; 1548 } 1549 1550 i += (pIE->Length + 2); 1551 } 1552 1553 return HT_IOT_PEER_UNKNOWN; 1554 } 1555 1556 void update_IOT_info(struct adapter *padapter) 1557 { 1558 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1559 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1560 1561 switch (pmlmeinfo->assoc_AP_vendor) { 1562 case HT_IOT_PEER_MARVELL: 1563 pmlmeinfo->turboMode_cts2self = 1; 1564 pmlmeinfo->turboMode_rtsen = 0; 1565 break; 1566 1567 case HT_IOT_PEER_RALINK: 1568 pmlmeinfo->turboMode_cts2self = 0; 1569 pmlmeinfo->turboMode_rtsen = 1; 1570 /* disable high power */ 1571 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1572 break; 1573 case HT_IOT_PEER_REALTEK: 1574 /* rtw_write16(padapter, 0x4cc, 0xffff); */ 1575 /* rtw_write16(padapter, 0x546, 0x01c0); */ 1576 /* disable high power */ 1577 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1578 break; 1579 default: 1580 pmlmeinfo->turboMode_cts2self = 0; 1581 pmlmeinfo->turboMode_rtsen = 1; 1582 break; 1583 } 1584 } 1585 1586 void update_capinfo(struct adapter *Adapter, u16 updateCap) 1587 { 1588 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; 1589 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1590 bool ShortPreamble; 1591 1592 /* Check preamble mode, 2005.01.06, by rcnjko. */ 1593 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */ 1594 /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */ 1595 { 1596 if (updateCap & cShortPreamble) { 1597 /* Short Preamble */ 1598 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */ 1599 ShortPreamble = true; 1600 pmlmeinfo->preamble_mode = PREAMBLE_SHORT; 1601 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1602 } 1603 } else { 1604 /* Long Preamble */ 1605 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */ 1606 ShortPreamble = false; 1607 pmlmeinfo->preamble_mode = PREAMBLE_LONG; 1608 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1609 } 1610 } 1611 } 1612 1613 if (updateCap & cIBSS) { 1614 /* Filen: See 802.11-2007 p.91 */ 1615 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1616 } else { 1617 /* Filen: See 802.11-2007 p.90 */ 1618 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC)) { 1619 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1620 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) { 1621 if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */) 1622 /* Short Slot Time */ 1623 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1624 else 1625 /* Long Slot Time */ 1626 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1627 } else { 1628 /* B Mode */ 1629 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1630 } 1631 } 1632 1633 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime); 1634 } 1635 1636 void update_wireless_mode(struct adapter *padapter) 1637 { 1638 int network_type = 0; 1639 u32 SIFS_Timer; 1640 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1641 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1642 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1643 unsigned char *rate = cur_network->SupportedRates; 1644 1645 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) 1646 pmlmeinfo->HT_enable = 1; 1647 1648 if (pmlmeinfo->VHT_enable) 1649 network_type = WIRELESS_11AC; 1650 else if (pmlmeinfo->HT_enable) 1651 network_type = WIRELESS_11_24N; 1652 1653 if (rtw_is_cckratesonly_included(rate)) 1654 network_type |= WIRELESS_11B; 1655 else if (rtw_is_cckrates_included(rate)) 1656 network_type |= WIRELESS_11BG; 1657 else 1658 network_type |= WIRELESS_11G; 1659 1660 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode; 1661 1662 SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */ 1663 /* change this value if having IOT issues. */ 1664 1665 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer); 1666 1667 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode)); 1668 1669 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) 1670 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB); 1671 else 1672 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB); 1673 } 1674 1675 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode) 1676 { 1677 if (IsSupportedTxCCK(wireless_mode)) { 1678 /* Only B, B/G, and B/G/N AP could use CCK rate */ 1679 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4); 1680 psta->bssratelen = 4; 1681 } else { 1682 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3); 1683 psta->bssratelen = 3; 1684 } 1685 } 1686 1687 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx) 1688 { 1689 unsigned int ie_len; 1690 struct ndis_80211_var_ie *pIE; 1691 int supportRateNum = 0; 1692 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); 1693 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1694 1695 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len); 1696 if (!pIE) 1697 return _FAIL; 1698 if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates)) 1699 return _FAIL; 1700 1701 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len); 1702 supportRateNum = ie_len; 1703 1704 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len); 1705 if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum)) 1706 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len); 1707 1708 return _SUCCESS; 1709 } 1710 1711 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr) 1712 { 1713 struct sta_info *psta; 1714 u16 tid, start_seq, param; 1715 struct recv_reorder_ctrl *preorder_ctrl; 1716 struct sta_priv *pstapriv = &padapter->stapriv; 1717 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req; 1718 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1719 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1720 1721 psta = rtw_get_stainfo(pstapriv, addr); 1722 1723 if (psta) { 1724 start_seq = le16_to_cpu(preq->BA_starting_seqctrl) >> 4; 1725 1726 param = le16_to_cpu(preq->BA_para_set); 1727 tid = (param>>2)&0x0f; 1728 1729 preorder_ctrl = &psta->recvreorder_ctrl[tid]; 1730 1731 preorder_ctrl->indicate_seq = 0xffff; 1732 1733 preorder_ctrl->enable = pmlmeinfo->accept_addba_req; 1734 } 1735 } 1736 1737 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1738 { 1739 u8 *pIE; 1740 __le32 *pbuf; 1741 1742 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1743 pbuf = (__le32 *)pIE; 1744 1745 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1)); 1746 1747 pmlmeext->TSFValue = pmlmeext->TSFValue << 32; 1748 1749 pmlmeext->TSFValue |= le32_to_cpu(*pbuf); 1750 } 1751 1752 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext) 1753 { 1754 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL); 1755 } 1756 1757 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1758 { 1759 int i; 1760 u8 *pIE; 1761 __le32 *pbuf; 1762 u64 tsf = 0; 1763 u32 delay_ms; 1764 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1765 1766 pmlmeext->bcn_cnt++; 1767 1768 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1769 pbuf = (__le32 *)pIE; 1770 1771 tsf = le32_to_cpu(*(pbuf+1)); 1772 tsf = tsf << 32; 1773 tsf |= le32_to_cpu(*pbuf); 1774 1775 /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */ 1776 /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */ 1777 delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024)); 1778 delay_ms = delay_ms/1000; 1779 1780 if (delay_ms >= 8) 1781 pmlmeext->bcn_delay_cnt[8]++; 1782 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */ 1783 else 1784 pmlmeext->bcn_delay_cnt[delay_ms]++; 1785 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */ 1786 1787 /* 1788 1789 for (i = 0; i<9; i++) 1790 { 1791 pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]); 1792 } 1793 */ 1794 1795 /* dump for adaptive_early_32k */ 1796 if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) { 1797 u8 ratio_20_delay, ratio_80_delay; 1798 u8 DrvBcnEarly, DrvBcnTimeOut; 1799 1800 ratio_20_delay = 0; 1801 ratio_80_delay = 0; 1802 DrvBcnEarly = 0xff; 1803 DrvBcnTimeOut = 0xff; 1804 1805 for (i = 0; i < 9; i++) { 1806 pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt; 1807 1808 ratio_20_delay += pmlmeext->bcn_delay_ratio[i]; 1809 ratio_80_delay += pmlmeext->bcn_delay_ratio[i]; 1810 1811 if (ratio_20_delay > 20 && DrvBcnEarly == 0xff) 1812 DrvBcnEarly = i; 1813 1814 if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff) 1815 DrvBcnTimeOut = i; 1816 1817 /* reset adaptive_early_32k cnt */ 1818 pmlmeext->bcn_delay_cnt[i] = 0; 1819 pmlmeext->bcn_delay_ratio[i] = 0; 1820 } 1821 1822 pmlmeext->DrvBcnEarly = DrvBcnEarly; 1823 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut; 1824 1825 pmlmeext->bcn_cnt = 0; 1826 } 1827 } 1828 1829 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta) 1830 { 1831 int i; 1832 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 1833 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1834 1835 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 1836 return; 1837 1838 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) { 1839 psta->mac_id = NUM_STA; 1840 return; 1841 } 1842 1843 spin_lock_bh(&pdvobj->lock); 1844 for (i = 0; i < NUM_STA; i++) { 1845 if (pdvobj->macid[i] == false) { 1846 pdvobj->macid[i] = true; 1847 break; 1848 } 1849 } 1850 spin_unlock_bh(&pdvobj->lock); 1851 1852 if (i > (NUM_STA - 1)) 1853 psta->mac_id = NUM_STA; 1854 else 1855 psta->mac_id = i; 1856 } 1857 1858 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta) 1859 { 1860 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 1861 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1862 1863 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 1864 return; 1865 1866 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) 1867 return; 1868 1869 spin_lock_bh(&pdvobj->lock); 1870 if (psta->mac_id < NUM_STA && psta->mac_id != 1) { 1871 if (pdvobj->macid[psta->mac_id] == true) { 1872 pdvobj->macid[psta->mac_id] = false; 1873 psta->mac_id = NUM_STA; 1874 } 1875 } 1876 spin_unlock_bh(&pdvobj->lock); 1877 } 1878 1879 /* For 8188E RA */ 1880 u8 rtw_search_max_mac_id(struct adapter *padapter) 1881 { 1882 u8 max_mac_id = 0; 1883 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1884 int i; 1885 1886 spin_lock_bh(&pdvobj->lock); 1887 for (i = (NUM_STA-1); i >= 0 ; i--) { 1888 if (pdvobj->macid[i] == true) 1889 break; 1890 } 1891 max_mac_id = i; 1892 spin_unlock_bh(&pdvobj->lock); 1893 1894 return max_mac_id; 1895 } 1896 1897 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj) 1898 { 1899 if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0) 1900 return NULL; 1901 1902 return dvobj->padapters; 1903 } 1904