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 extern unsigned char RTW_WPA_OUI[]; 29 extern unsigned char WPA_TKIP_CIPHER[4]; 30 31 #define R2T_PHY_DELAY (0) 32 33 /* define WAIT_FOR_BCN_TO_MIN (3000) */ 34 #define WAIT_FOR_BCN_TO_MIN (6000) 35 #define WAIT_FOR_BCN_TO_MAX (20000) 36 37 #define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000 38 #define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3 39 40 static u8 rtw_basic_rate_cck[4] = { 41 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK, 42 IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK, 43 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK, 44 IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK 45 }; 46 47 static u8 rtw_basic_rate_ofdm[3] = { 48 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK, 49 IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK, 50 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK 51 }; 52 53 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta) 54 { 55 u8 raid, cur_rf_type, rf_type = RF_1T1R; 56 57 rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type)); 58 59 if (cur_rf_type == RF_1T1R) { 60 rf_type = RF_1T1R; 61 } else if (IsSupportedVHT(psta->wireless_mode)) { 62 if (psta->ra_mask & 0xffc00000) 63 rf_type = RF_2T2R; 64 } else if (IsSupportedHT(psta->wireless_mode)) { 65 if (psta->ra_mask & 0xfff00000) 66 rf_type = RF_2T2R; 67 } 68 69 switch (psta->wireless_mode) { 70 case WIRELESS_11B: 71 raid = RATEID_IDX_B; 72 break; 73 case WIRELESS_11A: 74 case WIRELESS_11G: 75 raid = RATEID_IDX_G; 76 break; 77 case WIRELESS_11BG: 78 raid = RATEID_IDX_BG; 79 break; 80 case WIRELESS_11_24N: 81 case WIRELESS_11_5N: 82 case WIRELESS_11A_5N: 83 case WIRELESS_11G_24N: 84 if (rf_type == RF_2T2R) 85 raid = RATEID_IDX_GN_N2SS; 86 else 87 raid = RATEID_IDX_GN_N1SS; 88 break; 89 case WIRELESS_11B_24N: 90 case WIRELESS_11BG_24N: 91 if (psta->bw_mode == CHANNEL_WIDTH_20) { 92 if (rf_type == RF_2T2R) 93 raid = RATEID_IDX_BGN_20M_2SS_BN; 94 else 95 raid = RATEID_IDX_BGN_20M_1SS_BN; 96 } else { 97 if (rf_type == RF_2T2R) 98 raid = RATEID_IDX_BGN_40M_2SS; 99 else 100 raid = RATEID_IDX_BGN_40M_1SS; 101 } 102 break; 103 default: 104 raid = RATEID_IDX_BGN_40M_2SS; 105 break; 106 } 107 return raid; 108 } 109 110 unsigned char ratetbl_val_2wifirate(unsigned char rate); 111 unsigned char ratetbl_val_2wifirate(unsigned char rate) 112 { 113 switch (rate & 0x7f) { 114 case 0: 115 return IEEE80211_CCK_RATE_1MB; 116 case 1: 117 return IEEE80211_CCK_RATE_2MB; 118 case 2: 119 return IEEE80211_CCK_RATE_5MB; 120 case 3: 121 return IEEE80211_CCK_RATE_11MB; 122 case 4: 123 return IEEE80211_OFDM_RATE_6MB; 124 case 5: 125 return IEEE80211_OFDM_RATE_9MB; 126 case 6: 127 return IEEE80211_OFDM_RATE_12MB; 128 case 7: 129 return IEEE80211_OFDM_RATE_18MB; 130 case 8: 131 return IEEE80211_OFDM_RATE_24MB; 132 case 9: 133 return IEEE80211_OFDM_RATE_36MB; 134 case 10: 135 return IEEE80211_OFDM_RATE_48MB; 136 case 11: 137 return IEEE80211_OFDM_RATE_54MB; 138 default: 139 return 0; 140 } 141 } 142 143 int is_basicrate(struct adapter *padapter, unsigned char rate); 144 int is_basicrate(struct adapter *padapter, unsigned char rate) 145 { 146 int i; 147 unsigned char val; 148 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 149 150 for (i = 0; i < NumRates; i++) { 151 val = pmlmeext->basicrate[i]; 152 153 if ((val != 0xff) && (val != 0xfe)) 154 if (rate == ratetbl_val_2wifirate(val)) 155 return true; 156 } 157 158 return false; 159 } 160 161 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset); 162 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset) 163 { 164 int i; 165 unsigned char rate; 166 unsigned int len = 0; 167 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 168 169 for (i = 0; i < NumRates; i++) { 170 rate = pmlmeext->datarate[i]; 171 172 switch (rate) { 173 case 0xff: 174 return len; 175 176 case 0xfe: 177 continue; 178 179 default: 180 rate = ratetbl_val_2wifirate(rate); 181 182 if (is_basicrate(padapter, rate) == true) 183 rate |= IEEE80211_BASIC_RATE_MASK; 184 185 rateset[len] = rate; 186 len++; 187 break; 188 } 189 } 190 return len; 191 } 192 193 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len) 194 { 195 unsigned char supportedrates[NumRates]; 196 197 memset(supportedrates, 0, NumRates); 198 *bssrate_len = ratetbl2rateset(padapter, supportedrates); 199 memcpy(pbssrate, supportedrates, *bssrate_len); 200 } 201 202 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask) 203 { 204 u8 mcs_rate_1r = (u8)(mask&0xff); 205 u8 mcs_rate_2r = (u8)((mask>>8)&0xff); 206 u8 mcs_rate_3r = (u8)((mask>>16)&0xff); 207 u8 mcs_rate_4r = (u8)((mask>>24)&0xff); 208 209 mcs_set[0] &= mcs_rate_1r; 210 mcs_set[1] &= mcs_rate_2r; 211 mcs_set[2] &= mcs_rate_3r; 212 mcs_set[3] &= mcs_rate_4r; 213 } 214 215 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS) 216 { 217 u8 i; 218 u8 rate; 219 220 /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */ 221 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) { 222 rate = mBratesOS[i] & 0x7f; 223 switch (rate) { 224 case IEEE80211_CCK_RATE_1MB: 225 case IEEE80211_CCK_RATE_2MB: 226 case IEEE80211_CCK_RATE_5MB: 227 case IEEE80211_CCK_RATE_11MB: 228 case IEEE80211_OFDM_RATE_6MB: 229 case IEEE80211_OFDM_RATE_12MB: 230 case IEEE80211_OFDM_RATE_24MB: 231 mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK; 232 break; 233 } 234 } 235 } 236 237 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen) 238 { 239 u8 i; 240 u8 rate; 241 242 for (i = 0; i < bssratelen; i++) { 243 rate = bssrateset[i] & 0x7f; 244 switch (rate) { 245 case IEEE80211_CCK_RATE_1MB: 246 case IEEE80211_CCK_RATE_2MB: 247 case IEEE80211_CCK_RATE_5MB: 248 case IEEE80211_CCK_RATE_11MB: 249 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK; 250 break; 251 } 252 } 253 } 254 255 void Save_DM_Func_Flag(struct adapter *padapter) 256 { 257 u8 bSaveFlag = true; 258 259 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag)); 260 } 261 262 void Restore_DM_Func_Flag(struct adapter *padapter) 263 { 264 u8 bSaveFlag = false; 265 266 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag)); 267 } 268 269 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable) 270 { 271 if (enable == true) 272 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode)); 273 else 274 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode)); 275 } 276 277 void Set_MSR(struct adapter *padapter, u8 type) 278 { 279 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type)); 280 } 281 282 inline u8 rtw_get_oper_ch(struct adapter *adapter) 283 { 284 return adapter_to_dvobj(adapter)->oper_channel; 285 } 286 287 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch) 288 { 289 #ifdef DBG_CH_SWITCH 290 const int len = 128; 291 char msg[128] = {0}; 292 int cnt = 0; 293 int i = 0; 294 #endif /* DBG_CH_SWITCH */ 295 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 296 297 if (dvobj->oper_channel != ch) { 298 dvobj->on_oper_ch_time = jiffies; 299 300 #ifdef DBG_CH_SWITCH 301 cnt += scnprintf(msg+cnt, len-cnt, "switch to ch %3u", ch); 302 303 for (i = 0; i < dvobj->iface_nums; i++) { 304 struct adapter *iface = dvobj->padapters[i]; 305 306 cnt += scnprintf(msg+cnt, len-cnt, " [%s:", ADPT_ARG(iface)); 307 if (iface->mlmeextpriv.cur_channel == ch) 308 cnt += scnprintf(msg+cnt, len-cnt, "C"); 309 else 310 cnt += scnprintf(msg+cnt, len-cnt, "_"); 311 if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE)) 312 cnt += scnprintf(msg+cnt, len-cnt, "L"); 313 else 314 cnt += scnprintf(msg+cnt, len-cnt, "_"); 315 cnt += scnprintf(msg+cnt, len-cnt, "]"); 316 } 317 318 DBG_871X(FUNC_ADPT_FMT" %s\n", FUNC_ADPT_ARG(adapter), msg); 319 #endif /* DBG_CH_SWITCH */ 320 } 321 322 dvobj->oper_channel = ch; 323 } 324 325 inline u8 rtw_get_oper_bw(struct adapter *adapter) 326 { 327 return adapter_to_dvobj(adapter)->oper_bwmode; 328 } 329 330 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw) 331 { 332 adapter_to_dvobj(adapter)->oper_bwmode = bw; 333 } 334 335 inline u8 rtw_get_oper_choffset(struct adapter *adapter) 336 { 337 return adapter_to_dvobj(adapter)->oper_ch_offset; 338 } 339 340 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset) 341 { 342 adapter_to_dvobj(adapter)->oper_ch_offset = offset; 343 } 344 345 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset) 346 { 347 u8 center_ch = channel; 348 349 if (chnl_bw == CHANNEL_WIDTH_80) { 350 center_ch = 7; 351 } else if (chnl_bw == CHANNEL_WIDTH_40) { 352 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER) 353 center_ch = channel + 2; 354 else 355 center_ch = channel - 2; 356 } 357 358 return center_ch; 359 } 360 361 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter) 362 { 363 if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel) 364 return adapter_to_dvobj(adapter)->on_oper_ch_time; 365 else 366 return 0; 367 } 368 369 void SelectChannel(struct adapter *padapter, unsigned char channel) 370 { 371 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) 372 return; 373 374 /* saved channel info */ 375 rtw_set_oper_ch(padapter, channel); 376 377 rtw_hal_set_chan(padapter, channel); 378 379 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex)); 380 } 381 382 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode) 383 { 384 u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 385 386 if (padapter->bNotifyChannelChange) 387 DBG_871X("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode); 388 389 center_ch = rtw_get_center_ch(channel, bwmode, channel_offset); 390 391 if (bwmode == CHANNEL_WIDTH_80) { 392 if (center_ch > channel) 393 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER; 394 else if (center_ch < channel) 395 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER; 396 else 397 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 398 } 399 400 /* set Channel */ 401 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) 402 return; 403 404 /* saved channel/bw info */ 405 rtw_set_oper_ch(padapter, channel); 406 rtw_set_oper_bw(padapter, bwmode); 407 rtw_set_oper_choffset(padapter, channel_offset); 408 409 rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /* set center channel */ 410 411 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex)); 412 } 413 414 inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork) 415 { 416 return pnetwork->MacAddress; 417 } 418 419 u16 get_beacon_interval(struct wlan_bssid_ex *bss) 420 { 421 __le16 val; 422 423 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2); 424 425 return le16_to_cpu(val); 426 } 427 428 int is_client_associated_to_ap(struct adapter *padapter) 429 { 430 struct mlme_ext_priv *pmlmeext; 431 struct mlme_ext_info *pmlmeinfo; 432 433 if (!padapter) 434 return _FAIL; 435 436 pmlmeext = &padapter->mlmeextpriv; 437 pmlmeinfo = &(pmlmeext->mlmext_info); 438 439 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE)) 440 return true; 441 else 442 return _FAIL; 443 } 444 445 int is_client_associated_to_ibss(struct adapter *padapter) 446 { 447 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 448 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 449 450 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 451 return true; 452 else 453 return _FAIL; 454 } 455 456 int is_IBSS_empty(struct adapter *padapter) 457 { 458 unsigned int i; 459 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 460 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 461 462 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) { 463 if (pmlmeinfo->FW_sta_info[i].status == 1) 464 return _FAIL; 465 } 466 467 return true; 468 } 469 470 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval) 471 { 472 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN) 473 return WAIT_FOR_BCN_TO_MIN; 474 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX) 475 return WAIT_FOR_BCN_TO_MAX; 476 else 477 return bcn_interval << 2; 478 } 479 480 void invalidate_cam_all(struct adapter *padapter) 481 { 482 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); 483 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 484 485 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL); 486 487 spin_lock_bh(&cam_ctl->lock); 488 cam_ctl->bitmap = 0; 489 memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY); 490 spin_unlock_bh(&cam_ctl->lock); 491 } 492 493 static u32 _ReadCAM(struct adapter *padapter, u32 addr) 494 { 495 u32 count = 0, cmd; 496 497 cmd = CAM_POLLINIG | addr; 498 rtw_write32(padapter, RWCAM, cmd); 499 500 do { 501 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG)) 502 break; 503 } while (count++ < 100); 504 505 return rtw_read32(padapter, REG_CAMREAD); 506 } 507 508 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key) 509 { 510 u32 j, addr, cmd; 511 512 addr = entry << 3; 513 514 /* DBG_8192C("********* DUMP CAM Entry_#%02d***************\n", entry); */ 515 for (j = 0; j < 6; j++) { 516 cmd = _ReadCAM(padapter, addr+j); 517 /* DBG_8192C("offset:0x%02x => 0x%08x\n", addr+j, cmd); */ 518 if (j > 1) /* get key from cam */ 519 memcpy(get_key+(j-2)*4, &cmd, 4); 520 } 521 /* DBG_8192C("*********************************\n"); */ 522 } 523 524 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key) 525 { 526 unsigned int i, val, addr; 527 int j; 528 u32 cam_val[2]; 529 530 addr = entry << 3; 531 532 for (j = 5; j >= 0; j--) { 533 switch (j) { 534 case 0: 535 val = (ctrl | (mac[0] << 16) | (mac[1] << 24)); 536 break; 537 case 1: 538 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24)); 539 break; 540 default: 541 i = (j - 2) << 2; 542 val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24)); 543 break; 544 } 545 546 cam_val[0] = val; 547 cam_val[1] = addr + (unsigned int)j; 548 549 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val); 550 } 551 } 552 553 void _clear_cam_entry(struct adapter *padapter, u8 entry) 554 { 555 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 556 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 557 558 _write_cam(padapter, entry, 0, null_sta, null_key); 559 } 560 561 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 562 { 563 _write_cam(adapter, id, ctrl, mac, key); 564 write_cam_cache(adapter, id, ctrl, mac, key); 565 } 566 567 inline void clear_cam_entry(struct adapter *adapter, u8 id) 568 { 569 _clear_cam_entry(adapter, id); 570 clear_cam_cache(adapter, id); 571 } 572 573 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key) 574 { 575 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 576 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 577 578 spin_lock_bh(&cam_ctl->lock); 579 580 dvobj->cam_cache[id].ctrl = ctrl; 581 memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN); 582 memcpy(dvobj->cam_cache[id].key, key, 16); 583 584 spin_unlock_bh(&cam_ctl->lock); 585 } 586 587 void clear_cam_cache(struct adapter *adapter, u8 id) 588 { 589 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 590 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 591 592 spin_lock_bh(&cam_ctl->lock); 593 594 memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache)); 595 596 spin_unlock_bh(&cam_ctl->lock); 597 } 598 599 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id) 600 { 601 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 602 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 603 bool ret = false; 604 605 if (cam_id >= TOTAL_CAM_ENTRY) 606 goto exit; 607 608 if (!(cam_ctl->bitmap & BIT(cam_id))) 609 goto exit; 610 611 ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false; 612 613 exit: 614 return ret; 615 } 616 617 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 618 { 619 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 620 int i; 621 s16 cam_id = -1; 622 623 for (i = 0; i < TOTAL_CAM_ENTRY; i++) { 624 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN)) 625 continue; 626 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03)) 627 continue; 628 629 cam_id = i; 630 break; 631 } 632 633 if (addr) 634 DBG_871X(FUNC_ADPT_FMT" addr:%pM kid:%d, return cam_id:%d\n" 635 , FUNC_ADPT_ARG(adapter), MAC_ARG(addr), kid, cam_id); 636 else 637 DBG_871X(FUNC_ADPT_FMT" addr:%p kid:%d, return cam_id:%d\n" 638 , FUNC_ADPT_ARG(adapter), addr, kid, cam_id); 639 640 return cam_id; 641 } 642 643 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid) 644 { 645 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 646 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 647 s16 cam_id = -1; 648 649 spin_lock_bh(&cam_ctl->lock); 650 cam_id = _rtw_camid_search(adapter, addr, kid); 651 spin_unlock_bh(&cam_ctl->lock); 652 653 return cam_id; 654 } 655 656 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid) 657 { 658 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 659 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 660 s16 cam_id = -1; 661 struct mlme_ext_info *mlmeinfo; 662 663 spin_lock_bh(&cam_ctl->lock); 664 665 mlmeinfo = &adapter->mlmeextpriv.mlmext_info; 666 667 if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE)) 668 && !sta) { 669 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */ 670 if (kid > 3) { 671 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key with invalid key id:%u\n" 672 , FUNC_ADPT_ARG(adapter), kid); 673 rtw_warn_on(1); 674 goto bitmap_handle; 675 } 676 677 cam_id = kid; 678 } else { 679 int i; 680 u8 *addr = sta?sta->hwaddr:NULL; 681 682 if (!sta) { 683 if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) { 684 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */ 685 goto bitmap_handle; 686 } 687 688 addr = get_bssid(&adapter->mlmepriv); 689 } 690 691 i = _rtw_camid_search(adapter, addr, kid); 692 if (i >= 0) { 693 /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */ 694 if (sta || _rtw_camid_is_gk(adapter, i)) 695 cam_id = i; 696 else 697 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u the same key id as pairwise key\n" 698 , FUNC_ADPT_ARG(adapter), kid); 699 goto bitmap_handle; 700 } 701 702 for (i = 4; i < TOTAL_CAM_ENTRY; i++) 703 if (!(cam_ctl->bitmap & BIT(i))) 704 break; 705 706 if (i == TOTAL_CAM_ENTRY) { 707 if (sta) 708 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" pairwise key with %pM id:%u no room\n" 709 , FUNC_ADPT_ARG(adapter), MAC_ARG(sta->hwaddr), kid); 710 else 711 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u no room\n" 712 , FUNC_ADPT_ARG(adapter), kid); 713 rtw_warn_on(1); 714 goto bitmap_handle; 715 } 716 717 cam_id = i; 718 } 719 720 bitmap_handle: 721 if (cam_id >= 0 && cam_id < 32) 722 cam_ctl->bitmap |= BIT(cam_id); 723 724 spin_unlock_bh(&cam_ctl->lock); 725 726 return cam_id; 727 } 728 729 void rtw_camid_free(struct adapter *adapter, u8 cam_id) 730 { 731 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter); 732 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl; 733 734 spin_lock_bh(&cam_ctl->lock); 735 736 if (cam_id < TOTAL_CAM_ENTRY) 737 cam_ctl->bitmap &= ~(BIT(cam_id)); 738 739 spin_unlock_bh(&cam_ctl->lock); 740 } 741 742 int allocate_fw_sta_entry(struct adapter *padapter) 743 { 744 unsigned int mac_id; 745 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 746 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 747 748 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) { 749 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) { 750 pmlmeinfo->FW_sta_info[mac_id].status = 1; 751 pmlmeinfo->FW_sta_info[mac_id].retry = 0; 752 break; 753 } 754 } 755 756 return mac_id; 757 } 758 759 void flush_all_cam_entry(struct adapter *padapter) 760 { 761 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 762 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 763 764 invalidate_cam_all(padapter); 765 /* clear default key related key search setting */ 766 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false); 767 768 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info)); 769 } 770 771 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 772 { 773 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 774 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 775 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 776 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 777 778 if (pmlmepriv->qospriv.qos_option == 0) { 779 pmlmeinfo->WMM_enable = 0; 780 return false; 781 } 782 783 if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element))) 784 return false; 785 else 786 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)); 787 788 pmlmeinfo->WMM_enable = 1; 789 return true; 790 } 791 792 void WMMOnAssocRsp(struct adapter *padapter) 793 { 794 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime; 795 u8 acm_mask; 796 u16 TXOP; 797 u32 acParm, i; 798 u32 edca[4], inx[4]; 799 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 800 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 801 struct xmit_priv *pxmitpriv = &padapter->xmitpriv; 802 struct registry_priv *pregpriv = &padapter->registrypriv; 803 804 acm_mask = 0; 805 806 if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N) 807 aSifsTime = 16; 808 else 809 aSifsTime = 10; 810 811 if (pmlmeinfo->WMM_enable == 0) { 812 padapter->mlmepriv.acm_mask = 0; 813 814 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime); 815 816 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) { 817 ECWMin = 4; 818 ECWMax = 10; 819 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) { 820 ECWMin = 5; 821 ECWMax = 10; 822 } else { 823 ECWMin = 4; 824 ECWMax = 10; 825 } 826 827 TXOP = 0; 828 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 829 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 830 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 831 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 832 833 ECWMin = 2; 834 ECWMax = 3; 835 TXOP = 0x2f; 836 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 837 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 838 } else { 839 edca[0] = edca[1] = edca[2] = edca[3] = 0; 840 841 for (i = 0; i < 4; i++) { 842 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03; 843 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01; 844 845 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */ 846 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime; 847 848 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f); 849 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4; 850 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit); 851 852 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); 853 854 switch (ACI) { 855 case 0x0: 856 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); 857 acm_mask |= (ACM ? BIT(1):0); 858 edca[XMIT_BE_QUEUE] = acParm; 859 break; 860 861 case 0x1: 862 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); 863 /* acm_mask |= (ACM? BIT(0):0); */ 864 edca[XMIT_BK_QUEUE] = acParm; 865 break; 866 867 case 0x2: 868 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); 869 acm_mask |= (ACM ? BIT(2):0); 870 edca[XMIT_VI_QUEUE] = acParm; 871 break; 872 873 case 0x3: 874 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); 875 acm_mask |= (ACM ? BIT(3):0); 876 edca[XMIT_VO_QUEUE] = acParm; 877 break; 878 } 879 880 DBG_871X("WMM(%x): %x, %x\n", ACI, ACM, acParm); 881 } 882 883 if (padapter->registrypriv.acm_method == 1) 884 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask)); 885 else 886 padapter->mlmepriv.acm_mask = acm_mask; 887 888 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; 889 890 if (pregpriv->wifi_spec == 1) { 891 u32 j, tmp, change_inx = false; 892 893 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */ 894 for (i = 0; i < 4; i++) { 895 for (j = i+1; j < 4; j++) { 896 /* compare CW and AIFS */ 897 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) { 898 change_inx = true; 899 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) { 900 /* compare TXOP */ 901 if ((edca[j] >> 16) > (edca[i] >> 16)) 902 change_inx = true; 903 } 904 905 if (change_inx) { 906 tmp = edca[i]; 907 edca[i] = edca[j]; 908 edca[j] = tmp; 909 910 tmp = inx[i]; 911 inx[i] = inx[j]; 912 inx[j] = tmp; 913 914 change_inx = false; 915 } 916 } 917 } 918 } 919 920 for (i = 0; i < 4; i++) { 921 pxmitpriv->wmm_para_seq[i] = inx[i]; 922 DBG_871X("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]); 923 } 924 } 925 } 926 927 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 928 { 929 unsigned char new_bwmode; 930 unsigned char new_ch_offset; 931 struct HT_info_element *pHT_info; 932 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); 933 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 934 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 935 struct registry_priv *pregistrypriv = &padapter->registrypriv; 936 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 937 u8 cbw40_enable = 0; 938 939 if (!pIE) 940 return; 941 942 if (phtpriv->ht_option == false) 943 return; 944 945 if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80) 946 return; 947 948 if (pIE->Length > sizeof(struct HT_info_element)) 949 return; 950 951 pHT_info = (struct HT_info_element *)pIE->data; 952 953 if (pmlmeext->cur_channel > 14) { 954 if ((pregistrypriv->bw_mode & 0xf0) > 0) 955 cbw40_enable = 1; 956 } else { 957 if ((pregistrypriv->bw_mode & 0x0f) > 0) 958 cbw40_enable = 1; 959 } 960 961 if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) { 962 new_bwmode = CHANNEL_WIDTH_40; 963 964 switch (pHT_info->infos[0] & 0x3) { 965 case 1: 966 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; 967 break; 968 969 case 3: 970 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; 971 break; 972 973 default: 974 new_bwmode = CHANNEL_WIDTH_20; 975 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 976 break; 977 } 978 } else { 979 new_bwmode = CHANNEL_WIDTH_20; 980 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 981 } 982 983 if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) { 984 pmlmeinfo->bwmode_updated = true; 985 986 pmlmeext->cur_bwmode = new_bwmode; 987 pmlmeext->cur_ch_offset = new_ch_offset; 988 989 /* update HT info also */ 990 HT_info_handler(padapter, pIE); 991 } else { 992 pmlmeinfo->bwmode_updated = false; 993 } 994 995 if (true == pmlmeinfo->bwmode_updated) { 996 struct sta_info *psta; 997 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 998 struct sta_priv *pstapriv = &padapter->stapriv; 999 1000 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 1001 1002 /* update ap's stainfo */ 1003 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress); 1004 if (psta) { 1005 struct ht_priv *phtpriv_sta = &psta->htpriv; 1006 1007 if (phtpriv_sta->ht_option) { 1008 /* bwmode */ 1009 psta->bw_mode = pmlmeext->cur_bwmode; 1010 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; 1011 } else { 1012 psta->bw_mode = CHANNEL_WIDTH_20; 1013 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; 1014 } 1015 1016 rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta); 1017 } 1018 } 1019 } 1020 1021 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1022 { 1023 unsigned int i; 1024 u8 rf_type; 1025 u8 max_AMPDU_len, min_MPDU_spacing; 1026 u8 cur_ldpc_cap = 0, cur_stbc_cap = 0; 1027 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1028 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1029 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1030 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1031 1032 if (!pIE) 1033 return; 1034 1035 if (phtpriv->ht_option == false) 1036 return; 1037 1038 pmlmeinfo->HT_caps_enable = 1; 1039 1040 for (i = 0; i < (pIE->Length); i++) { 1041 if (i != 2) { 1042 /* Commented by Albert 2010/07/12 */ 1043 /* Got the endian issue here. */ 1044 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]); 1045 } else { 1046 /* modify from fw by Thomas 2010/11/17 */ 1047 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3)) 1048 max_AMPDU_len = (pIE->data[i] & 0x3); 1049 else 1050 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3); 1051 1052 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c)) 1053 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c); 1054 else 1055 min_MPDU_spacing = (pIE->data[i] & 0x1c); 1056 1057 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing; 1058 } 1059 } 1060 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); 1061 1062 /* update the MCS set */ 1063 for (i = 0; i < 16; i++) 1064 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i]; 1065 1066 /* update the MCS rates */ 1067 switch (rf_type) { 1068 case RF_1T1R: 1069 case RF_1T2R: 1070 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R); 1071 break; 1072 case RF_2T2R: 1073 default: 1074 #ifdef CONFIG_DISABLE_MCS13TO15 1075 if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1) 1076 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF); 1077 else 1078 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); 1079 #else /* CONFIG_DISABLE_MCS13TO15 */ 1080 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); 1081 #endif /* CONFIG_DISABLE_MCS13TO15 */ 1082 } 1083 1084 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { 1085 /* Config STBC setting */ 1086 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data)) { 1087 SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX); 1088 DBG_871X("Enable HT Tx STBC !\n"); 1089 } 1090 phtpriv->stbc_cap = cur_stbc_cap; 1091 } else { 1092 /* Config LDPC Coding Capability */ 1093 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data)) { 1094 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX)); 1095 DBG_871X("Enable HT Tx LDPC!\n"); 1096 } 1097 phtpriv->ldpc_cap = cur_ldpc_cap; 1098 1099 /* Config STBC setting */ 1100 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data)) { 1101 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX)); 1102 DBG_871X("Enable HT Tx STBC!\n"); 1103 } 1104 phtpriv->stbc_cap = cur_stbc_cap; 1105 } 1106 } 1107 1108 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1109 { 1110 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1111 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1112 struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 1113 struct ht_priv *phtpriv = &pmlmepriv->htpriv; 1114 1115 if (!pIE) 1116 return; 1117 1118 if (phtpriv->ht_option == false) 1119 return; 1120 1121 if (pIE->Length > sizeof(struct HT_info_element)) 1122 return; 1123 1124 pmlmeinfo->HT_info_enable = 1; 1125 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length); 1126 } 1127 1128 void HTOnAssocRsp(struct adapter *padapter) 1129 { 1130 unsigned char max_AMPDU_len; 1131 unsigned char min_MPDU_spacing; 1132 /* struct registry_priv *pregpriv = &padapter->registrypriv; */ 1133 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1134 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1135 1136 DBG_871X("%s\n", __func__); 1137 1138 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) { 1139 pmlmeinfo->HT_enable = 1; 1140 } else { 1141 pmlmeinfo->HT_enable = 0; 1142 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ 1143 return; 1144 } 1145 1146 /* handle A-MPDU parameter field */ 1147 /* 1148 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k 1149 AMPDU_para [4:2]:Min MPDU Start Spacing 1150 */ 1151 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03; 1152 1153 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2; 1154 1155 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing)); 1156 1157 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len)); 1158 } 1159 1160 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE) 1161 { 1162 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1163 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1164 1165 if (pIE->Length > 1) 1166 return; 1167 1168 pmlmeinfo->ERP_enable = 1; 1169 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length); 1170 } 1171 1172 void VCS_update(struct adapter *padapter, struct sta_info *psta) 1173 { 1174 struct registry_priv *pregpriv = &padapter->registrypriv; 1175 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1176 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1177 1178 switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */ 1179 case 0: /* off */ 1180 psta->rtsen = 0; 1181 psta->cts2self = 0; 1182 break; 1183 1184 case 1: /* on */ 1185 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */ 1186 psta->rtsen = 1; 1187 psta->cts2self = 0; 1188 } else { 1189 psta->rtsen = 0; 1190 psta->cts2self = 1; 1191 } 1192 break; 1193 1194 case 2: /* auto */ 1195 default: 1196 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) { 1197 if (pregpriv->vcs_type == 1) { 1198 psta->rtsen = 1; 1199 psta->cts2self = 0; 1200 } else { 1201 psta->rtsen = 0; 1202 psta->cts2self = 1; 1203 } 1204 } else { 1205 psta->rtsen = 0; 1206 psta->cts2self = 0; 1207 } 1208 break; 1209 } 1210 } 1211 1212 void update_ldpc_stbc_cap(struct sta_info *psta) 1213 { 1214 if (psta->htpriv.ht_option) { 1215 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX)) 1216 psta->ldpc = 1; 1217 1218 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX)) 1219 psta->stbc = 1; 1220 } else { 1221 psta->ldpc = 0; 1222 psta->stbc = 0; 1223 } 1224 } 1225 1226 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) 1227 { 1228 unsigned int len; 1229 unsigned char *p; 1230 unsigned short val16, subtype; 1231 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network); 1232 /* u8 wpa_ie[255], rsn_ie[255]; */ 1233 u16 wpa_len = 0, rsn_len = 0; 1234 u8 encryp_protocol = 0; 1235 struct wlan_bssid_ex *bssid; 1236 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0; 1237 unsigned char *pbuf; 1238 u32 wpa_ielen = 0; 1239 u8 *pbssid = GetAddr3Ptr(pframe); 1240 struct HT_info_element *pht_info = NULL; 1241 struct ieee80211_ht_cap *pht_cap = NULL; 1242 u32 bcn_channel; 1243 unsigned short ht_cap_info; 1244 unsigned char ht_info_infos_0; 1245 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv; 1246 int ssid_len; 1247 1248 if (is_client_associated_to_ap(Adapter) == false) 1249 return true; 1250 1251 len = packet_len - sizeof(struct ieee80211_hdr_3addr); 1252 1253 if (len > MAX_IE_SZ) { 1254 DBG_871X("%s IE too long for survey event\n", __func__); 1255 return _FAIL; 1256 } 1257 1258 if (memcmp(cur_network->network.MacAddress, pbssid, 6)) { 1259 DBG_871X("Oops: rtw_check_network_encrypt linked but recv other bssid bcn %pM %pM\n", 1260 MAC_ARG(pbssid), MAC_ARG(cur_network->network.MacAddress)); 1261 return true; 1262 } 1263 1264 bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex)); 1265 if (!bssid) { 1266 DBG_871X("%s rtw_zmalloc fail !!!\n", __func__); 1267 return true; 1268 } 1269 1270 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) { 1271 pmlmepriv->timeBcnInfoChkStart = 0; 1272 pmlmepriv->NumOfBcnInfoChkFail = 0; 1273 } 1274 1275 subtype = GetFrameSubType(pframe) >> 4; 1276 1277 if (subtype == WIFI_BEACON) 1278 bssid->Reserved[0] = 1; 1279 1280 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len; 1281 1282 /* below is to copy the information element */ 1283 bssid->IELength = len; 1284 memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength); 1285 1286 /* check bw and channel offset */ 1287 /* parsing HT_CAP_IE */ 1288 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1289 if (p && len > 0) { 1290 pht_cap = (struct ieee80211_ht_cap *)(p + 2); 1291 ht_cap_info = le16_to_cpu(pht_cap->cap_info); 1292 } else { 1293 ht_cap_info = 0; 1294 } 1295 /* parsing HT_INFO_IE */ 1296 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1297 if (p && len > 0) { 1298 pht_info = (struct HT_info_element *)(p + 2); 1299 ht_info_infos_0 = pht_info->infos[0]; 1300 } else { 1301 ht_info_infos_0 = 0; 1302 } 1303 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info || 1304 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) { 1305 DBG_871X("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__, 1306 ht_cap_info, ht_info_infos_0); 1307 DBG_871X("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__, 1308 cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0); 1309 DBG_871X("%s bw mode change\n", __func__); 1310 { 1311 /* bcn_info_update */ 1312 cur_network->BcnInfo.ht_cap_info = ht_cap_info; 1313 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0; 1314 /* to do : need to check that whether modify related register of BB or not */ 1315 } 1316 /* goto _mismatch; */ 1317 } 1318 1319 /* Checking for channel */ 1320 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1321 if (p) { 1322 bcn_channel = *(p + 2); 1323 } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */ 1324 rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1325 if (pht_info) { 1326 bcn_channel = pht_info->primary_channel; 1327 } else { /* we don't find channel IE, so don't check it */ 1328 /* DBG_871X("Oops: %s we don't find channel IE, so don't check it\n", __func__); */ 1329 bcn_channel = Adapter->mlmeextpriv.cur_channel; 1330 } 1331 } 1332 if (bcn_channel != Adapter->mlmeextpriv.cur_channel) { 1333 DBG_871X("%s beacon channel:%d cur channel:%d disconnect\n", __func__, 1334 bcn_channel, Adapter->mlmeextpriv.cur_channel); 1335 goto _mismatch; 1336 } 1337 1338 /* checking SSID */ 1339 ssid_len = 0; 1340 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->IELength - _FIXED_IE_LENGTH_); 1341 if (p) { 1342 ssid_len = *(p + 1); 1343 if (ssid_len > NDIS_802_11_LENGTH_SSID) 1344 ssid_len = 0; 1345 } 1346 memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len); 1347 bssid->Ssid.SsidLength = ssid_len; 1348 1349 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d " 1350 "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid, 1351 bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid, 1352 cur_network->network.Ssid.SsidLength)); 1353 1354 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) || 1355 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) { 1356 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */ 1357 DBG_871X("%s(), SSID is not match\n", __func__); 1358 goto _mismatch; 1359 } 1360 } 1361 1362 /* check encryption info */ 1363 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid); 1364 1365 if (val16 & BIT(4)) 1366 bssid->Privacy = 1; 1367 else 1368 bssid->Privacy = 0; 1369 1370 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, 1371 ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n", 1372 __func__, cur_network->network.Privacy, bssid->Privacy)); 1373 if (cur_network->network.Privacy != bssid->Privacy) { 1374 DBG_871X("%s(), privacy is not match\n", __func__); 1375 goto _mismatch; 1376 } 1377 1378 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len); 1379 1380 if (rsn_len > 0) { 1381 encryp_protocol = ENCRYP_PROTOCOL_WPA2; 1382 } else if (wpa_len > 0) { 1383 encryp_protocol = ENCRYP_PROTOCOL_WPA; 1384 } else { 1385 if (bssid->Privacy) 1386 encryp_protocol = ENCRYP_PROTOCOL_WEP; 1387 } 1388 1389 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) { 1390 DBG_871X("%s(): enctyp is not match\n", __func__); 1391 goto _mismatch; 1392 } 1393 1394 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) { 1395 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1396 if (pbuf && (wpa_ielen > 0)) { 1397 if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) { 1398 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, 1399 ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__, 1400 pairwise_cipher, group_cipher, is_8021x)); 1401 } 1402 } else { 1403 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12); 1404 1405 if (pbuf && (wpa_ielen > 0)) { 1406 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) { 1407 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, 1408 ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n", 1409 __func__, pairwise_cipher, group_cipher, is_8021x)); 1410 } 1411 } 1412 } 1413 1414 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, 1415 ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher)); 1416 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) { 1417 DBG_871X("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match\n", __func__, 1418 pairwise_cipher, cur_network->BcnInfo.pairwise_cipher, 1419 group_cipher, cur_network->BcnInfo.group_cipher); 1420 goto _mismatch; 1421 } 1422 1423 if (is_8021x != cur_network->BcnInfo.is_8021x) { 1424 DBG_871X("%s authentication is not match\n", __func__); 1425 goto _mismatch; 1426 } 1427 } 1428 1429 kfree(bssid); 1430 return _SUCCESS; 1431 1432 _mismatch: 1433 kfree(bssid); 1434 1435 if (pmlmepriv->NumOfBcnInfoChkFail == 0) 1436 pmlmepriv->timeBcnInfoChkStart = jiffies; 1437 1438 pmlmepriv->NumOfBcnInfoChkFail++; 1439 DBG_871X("%s by %s - NumOfChkFail = %d (SeqNum of this Beacon frame = %d).\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail, GetSequence(pframe)); 1440 1441 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS) 1442 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) { 1443 DBG_871X("%s by %s - NumOfChkFail = %d >= threshold : %d (in %d ms), return FAIL.\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail, 1444 DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD, jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart)); 1445 pmlmepriv->timeBcnInfoChkStart = 0; 1446 pmlmepriv->NumOfBcnInfoChkFail = 0; 1447 return _FAIL; 1448 } 1449 1450 return _SUCCESS; 1451 } 1452 1453 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta) 1454 { 1455 unsigned int i; 1456 unsigned int len; 1457 struct ndis_80211_var_ie *pIE; 1458 1459 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN); 1460 1461 for (i = 0; i < len;) { 1462 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i); 1463 1464 switch (pIE->ElementID) { 1465 case WLAN_EID_VENDOR_SPECIFIC: 1466 /* to update WMM parameter set while receiving beacon */ 1467 if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN) /* WMM */ 1468 if (WMM_param_handler(padapter, pIE)) 1469 report_wmm_edca_update(padapter); 1470 1471 break; 1472 1473 case WLAN_EID_HT_OPERATION: /* HT info */ 1474 /* HT_info_handler(padapter, pIE); */ 1475 bwmode_update_check(padapter, pIE); 1476 break; 1477 1478 case WLAN_EID_ERP_INFO: 1479 ERP_IE_handler(padapter, pIE); 1480 VCS_update(padapter, psta); 1481 break; 1482 1483 default: 1484 break; 1485 } 1486 1487 i += (pIE->Length + 2); 1488 } 1489 } 1490 1491 unsigned int is_ap_in_tkip(struct adapter *padapter) 1492 { 1493 u32 i; 1494 struct ndis_80211_var_ie *pIE; 1495 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1496 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1497 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1498 1499 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) { 1500 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) { 1501 pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i); 1502 1503 switch (pIE->ElementID) { 1504 case WLAN_EID_VENDOR_SPECIFIC: 1505 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4))) 1506 return true; 1507 1508 break; 1509 1510 case WLAN_EID_RSN: 1511 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4)) 1512 return true; 1513 break; 1514 1515 default: 1516 break; 1517 } 1518 1519 i += (pIE->Length + 2); 1520 } 1521 1522 return false; 1523 } else { 1524 return false; 1525 } 1526 } 1527 1528 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode) 1529 { 1530 unsigned char bit_offset; 1531 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1532 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1533 1534 if (!(pmlmeinfo->HT_enable)) 1535 return _FAIL; 1536 1537 bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5; 1538 1539 if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset)) 1540 return _SUCCESS; 1541 else 1542 return _FAIL; 1543 } 1544 1545 unsigned char get_highest_rate_idx(u32 mask) 1546 { 1547 int i; 1548 unsigned char rate_idx = 0; 1549 1550 for (i = 31; i >= 0; i--) { 1551 if (mask & BIT(i)) { 1552 rate_idx = i; 1553 break; 1554 } 1555 } 1556 1557 return rate_idx; 1558 } 1559 1560 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta) 1561 { 1562 rtw_hal_update_ra_mask(psta, 0); 1563 } 1564 1565 void set_sta_rate(struct adapter *padapter, struct sta_info *psta) 1566 { 1567 /* rate adaptive */ 1568 Update_RA_Entry(padapter, psta); 1569 } 1570 1571 unsigned char check_assoc_AP(u8 *pframe, uint len) 1572 { 1573 unsigned int i; 1574 struct ndis_80211_var_ie *pIE; 1575 1576 for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) { 1577 pIE = (struct ndis_80211_var_ie *)(pframe + i); 1578 1579 switch (pIE->ElementID) { 1580 case WLAN_EID_VENDOR_SPECIFIC: 1581 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) { 1582 DBG_871X("link to Artheros AP\n"); 1583 return HT_IOT_PEER_ATHEROS; 1584 } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) || 1585 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) || 1586 (!memcmp(pIE->data, BROADCOM_OUI3, 3))) { 1587 DBG_871X("link to Broadcom AP\n"); 1588 return HT_IOT_PEER_BROADCOM; 1589 } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) { 1590 DBG_871X("link to Marvell AP\n"); 1591 return HT_IOT_PEER_MARVELL; 1592 } else if (!memcmp(pIE->data, RALINK_OUI, 3)) { 1593 DBG_871X("link to Ralink AP\n"); 1594 return HT_IOT_PEER_RALINK; 1595 } else if (!memcmp(pIE->data, CISCO_OUI, 3)) { 1596 DBG_871X("link to Cisco AP\n"); 1597 return HT_IOT_PEER_CISCO; 1598 } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) { 1599 u32 Vender = HT_IOT_PEER_REALTEK; 1600 1601 if (pIE->Length >= 5) { 1602 if (pIE->data[4] == 1) 1603 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */ 1604 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */ 1605 if (pIE->data[5] & RT_HT_CAP_USE_92SE) 1606 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */ 1607 Vender = HT_IOT_PEER_REALTEK_92SE; 1608 1609 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP) 1610 Vender = HT_IOT_PEER_REALTEK_SOFTAP; 1611 1612 if (pIE->data[4] == 2) { 1613 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT) { 1614 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP; 1615 DBG_871X("link to Realtek JAGUAR_BCUTAP\n"); 1616 } 1617 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT) { 1618 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP; 1619 DBG_871X("link to Realtek JAGUAR_CCUTAP\n"); 1620 } 1621 } 1622 } 1623 1624 DBG_871X("link to Realtek AP\n"); 1625 return Vender; 1626 } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) { 1627 DBG_871X("link to Airgo Cap\n"); 1628 return HT_IOT_PEER_AIRGO; 1629 } else { 1630 break; 1631 } 1632 1633 default: 1634 break; 1635 } 1636 1637 i += (pIE->Length + 2); 1638 } 1639 1640 DBG_871X("link to new AP\n"); 1641 return HT_IOT_PEER_UNKNOWN; 1642 } 1643 1644 void update_IOT_info(struct adapter *padapter) 1645 { 1646 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1647 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1648 1649 switch (pmlmeinfo->assoc_AP_vendor) { 1650 case HT_IOT_PEER_MARVELL: 1651 pmlmeinfo->turboMode_cts2self = 1; 1652 pmlmeinfo->turboMode_rtsen = 0; 1653 break; 1654 1655 case HT_IOT_PEER_RALINK: 1656 pmlmeinfo->turboMode_cts2self = 0; 1657 pmlmeinfo->turboMode_rtsen = 1; 1658 /* disable high power */ 1659 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1660 break; 1661 case HT_IOT_PEER_REALTEK: 1662 /* rtw_write16(padapter, 0x4cc, 0xffff); */ 1663 /* rtw_write16(padapter, 0x546, 0x01c0); */ 1664 /* disable high power */ 1665 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false); 1666 break; 1667 default: 1668 pmlmeinfo->turboMode_cts2self = 0; 1669 pmlmeinfo->turboMode_rtsen = 1; 1670 break; 1671 } 1672 } 1673 1674 void update_capinfo(struct adapter *Adapter, u16 updateCap) 1675 { 1676 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; 1677 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1678 bool ShortPreamble; 1679 1680 /* Check preamble mode, 2005.01.06, by rcnjko. */ 1681 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */ 1682 /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */ 1683 { 1684 if (updateCap & cShortPreamble) { 1685 /* Short Preamble */ 1686 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */ 1687 ShortPreamble = true; 1688 pmlmeinfo->preamble_mode = PREAMBLE_SHORT; 1689 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1690 } 1691 } else { 1692 /* Long Preamble */ 1693 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */ 1694 ShortPreamble = false; 1695 pmlmeinfo->preamble_mode = PREAMBLE_LONG; 1696 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); 1697 } 1698 } 1699 } 1700 1701 if (updateCap & cIBSS) { 1702 /* Filen: See 802.11-2007 p.91 */ 1703 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1704 } else { 1705 /* Filen: See 802.11-2007 p.90 */ 1706 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC)) { 1707 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1708 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) { 1709 if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */) 1710 /* Short Slot Time */ 1711 pmlmeinfo->slotTime = SHORT_SLOT_TIME; 1712 else 1713 /* Long Slot Time */ 1714 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1715 } else { 1716 /* B Mode */ 1717 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; 1718 } 1719 } 1720 1721 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime); 1722 } 1723 1724 void update_wireless_mode(struct adapter *padapter) 1725 { 1726 int network_type = 0; 1727 u32 SIFS_Timer; 1728 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1729 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1730 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); 1731 unsigned char *rate = cur_network->SupportedRates; 1732 1733 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) 1734 pmlmeinfo->HT_enable = 1; 1735 1736 if (pmlmeinfo->VHT_enable) 1737 network_type = WIRELESS_11AC; 1738 else if (pmlmeinfo->HT_enable) 1739 network_type = WIRELESS_11_24N; 1740 1741 if (rtw_is_cckratesonly_included(rate)) 1742 network_type |= WIRELESS_11B; 1743 else if (rtw_is_cckrates_included(rate)) 1744 network_type |= WIRELESS_11BG; 1745 else 1746 network_type |= WIRELESS_11G; 1747 1748 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode; 1749 1750 SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */ 1751 /* change this value if having IOT issues. */ 1752 1753 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer); 1754 1755 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode)); 1756 1757 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) 1758 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB); 1759 else 1760 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB); 1761 } 1762 1763 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode) 1764 { 1765 if (IsSupportedTxCCK(wireless_mode)) { 1766 /* Only B, B/G, and B/G/N AP could use CCK rate */ 1767 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4); 1768 psta->bssratelen = 4; 1769 } else { 1770 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3); 1771 psta->bssratelen = 3; 1772 } 1773 } 1774 1775 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx) 1776 { 1777 unsigned int ie_len; 1778 struct ndis_80211_var_ie *pIE; 1779 int supportRateNum = 0; 1780 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); 1781 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1782 1783 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len); 1784 if (!pIE) 1785 return _FAIL; 1786 if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates)) 1787 return _FAIL; 1788 1789 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len); 1790 supportRateNum = ie_len; 1791 1792 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len); 1793 if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum)) 1794 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len); 1795 1796 return _SUCCESS; 1797 } 1798 1799 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr) 1800 { 1801 struct sta_info *psta; 1802 u16 tid, start_seq, param; 1803 struct recv_reorder_ctrl *preorder_ctrl; 1804 struct sta_priv *pstapriv = &padapter->stapriv; 1805 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req; 1806 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 1807 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1808 1809 psta = rtw_get_stainfo(pstapriv, addr); 1810 1811 if (psta) { 1812 start_seq = le16_to_cpu(preq->BA_starting_seqctrl) >> 4; 1813 1814 param = le16_to_cpu(preq->BA_para_set); 1815 tid = (param>>2)&0x0f; 1816 1817 preorder_ctrl = &psta->recvreorder_ctrl[tid]; 1818 1819 #ifdef CONFIG_UPDATE_INDICATE_SEQ_WHILE_PROCESS_ADDBA_REQ 1820 preorder_ctrl->indicate_seq = start_seq; 1821 #ifdef DBG_RX_SEQ 1822 DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, start_seq: %d\n", __func__, __LINE__, 1823 preorder_ctrl->indicate_seq, start_seq); 1824 #endif 1825 #else 1826 preorder_ctrl->indicate_seq = 0xffff; 1827 #endif 1828 1829 preorder_ctrl->enable = pmlmeinfo->accept_addba_req; 1830 } 1831 } 1832 1833 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1834 { 1835 u8 *pIE; 1836 __le32 *pbuf; 1837 1838 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1839 pbuf = (__le32 *)pIE; 1840 1841 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1)); 1842 1843 pmlmeext->TSFValue = pmlmeext->TSFValue << 32; 1844 1845 pmlmeext->TSFValue |= le32_to_cpu(*pbuf); 1846 } 1847 1848 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext) 1849 { 1850 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL); 1851 } 1852 1853 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) 1854 { 1855 int i; 1856 u8 *pIE; 1857 __le32 *pbuf; 1858 u64 tsf = 0; 1859 u32 delay_ms; 1860 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 1861 1862 pmlmeext->bcn_cnt++; 1863 1864 pIE = pframe + sizeof(struct ieee80211_hdr_3addr); 1865 pbuf = (__le32 *)pIE; 1866 1867 tsf = le32_to_cpu(*(pbuf+1)); 1868 tsf = tsf << 32; 1869 tsf |= le32_to_cpu(*pbuf); 1870 1871 /* DBG_871X("%s(): tsf_upper = 0x%08x, tsf_lower = 0x%08x\n", __func__, (u32)(tsf>>32), (u32)tsf); */ 1872 1873 /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */ 1874 /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */ 1875 delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024)); 1876 delay_ms = delay_ms/1000; 1877 1878 if (delay_ms >= 8) 1879 pmlmeext->bcn_delay_cnt[8]++; 1880 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */ 1881 else 1882 pmlmeext->bcn_delay_cnt[delay_ms]++; 1883 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */ 1884 1885 /* 1886 DBG_871X("%s(): (a)bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt); 1887 1888 for (i = 0; i<9; i++) 1889 { 1890 DBG_871X("%s():bcn_delay_cnt[%d]=%d, bcn_delay_ratio[%d]=%d\n", __func__, i, 1891 pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]); 1892 } 1893 */ 1894 1895 /* dump for adaptive_early_32k */ 1896 if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) { 1897 u8 ratio_20_delay, ratio_80_delay; 1898 u8 DrvBcnEarly, DrvBcnTimeOut; 1899 1900 ratio_20_delay = 0; 1901 ratio_80_delay = 0; 1902 DrvBcnEarly = 0xff; 1903 DrvBcnTimeOut = 0xff; 1904 1905 DBG_871X("%s(): bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt); 1906 1907 for (i = 0; i < 9; i++) { 1908 pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt; 1909 1910 DBG_871X("%s():bcn_delay_cnt[%d]=%d, bcn_delay_ratio[%d]=%d\n", __func__, i, 1911 pmlmeext->bcn_delay_cnt[i], i, pmlmeext->bcn_delay_ratio[i]); 1912 1913 ratio_20_delay += pmlmeext->bcn_delay_ratio[i]; 1914 ratio_80_delay += pmlmeext->bcn_delay_ratio[i]; 1915 1916 if (ratio_20_delay > 20 && DrvBcnEarly == 0xff) { 1917 DrvBcnEarly = i; 1918 DBG_871X("%s(): DrvBcnEarly = %d\n", __func__, DrvBcnEarly); 1919 } 1920 1921 if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff) { 1922 DrvBcnTimeOut = i; 1923 DBG_871X("%s(): DrvBcnTimeOut = %d\n", __func__, DrvBcnTimeOut); 1924 } 1925 1926 /* reset adaptive_early_32k cnt */ 1927 pmlmeext->bcn_delay_cnt[i] = 0; 1928 pmlmeext->bcn_delay_ratio[i] = 0; 1929 } 1930 1931 pmlmeext->DrvBcnEarly = DrvBcnEarly; 1932 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut; 1933 1934 pmlmeext->bcn_cnt = 0; 1935 } 1936 } 1937 1938 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta) 1939 { 1940 int i; 1941 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 1942 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1943 1944 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 1945 return; 1946 1947 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) { 1948 psta->mac_id = NUM_STA; 1949 return; 1950 } 1951 1952 spin_lock_bh(&pdvobj->lock); 1953 for (i = 0; i < NUM_STA; i++) { 1954 if (pdvobj->macid[i] == false) { 1955 pdvobj->macid[i] = true; 1956 break; 1957 } 1958 } 1959 spin_unlock_bh(&pdvobj->lock); 1960 1961 if (i > (NUM_STA-1)) { 1962 psta->mac_id = NUM_STA; 1963 DBG_871X(" no room for more MACIDs\n"); 1964 } else { 1965 psta->mac_id = i; 1966 DBG_871X("%s = %d\n", __func__, psta->mac_id); 1967 } 1968 } 1969 1970 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta) 1971 { 1972 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 1973 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1974 1975 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN)) 1976 return; 1977 1978 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) 1979 return; 1980 1981 spin_lock_bh(&pdvobj->lock); 1982 if (psta->mac_id < NUM_STA && psta->mac_id != 1) { 1983 if (pdvobj->macid[psta->mac_id] == true) { 1984 DBG_871X("%s = %d\n", __func__, psta->mac_id); 1985 pdvobj->macid[psta->mac_id] = false; 1986 psta->mac_id = NUM_STA; 1987 } 1988 } 1989 spin_unlock_bh(&pdvobj->lock); 1990 } 1991 1992 /* For 8188E RA */ 1993 u8 rtw_search_max_mac_id(struct adapter *padapter) 1994 { 1995 u8 max_mac_id = 0; 1996 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter); 1997 int i; 1998 1999 spin_lock_bh(&pdvobj->lock); 2000 for (i = (NUM_STA-1); i >= 0 ; i--) { 2001 if (pdvobj->macid[i] == true) 2002 break; 2003 } 2004 max_mac_id = i; 2005 spin_unlock_bh(&pdvobj->lock); 2006 2007 return max_mac_id; 2008 } 2009 2010 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj) 2011 { 2012 if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0) 2013 return NULL; 2014 2015 return dvobj->padapters; 2016 } 2017 2018 #ifdef CONFIG_GPIO_API 2019 int rtw_get_gpio(struct net_device *netdev, int gpio_num) 2020 { 2021 u8 value; 2022 u8 direction; 2023 struct adapter *adapter = rtw_netdev_priv(netdev); 2024 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(adapter); 2025 2026 rtw_ps_deny(adapter, PS_DENY_IOCTL); 2027 2028 DBG_871X("rf_pwrstate = 0x%02x\n", pwrpriv->rf_pwrstate); 2029 LeaveAllPowerSaveModeDirect(adapter); 2030 2031 /* Read GPIO Direction */ 2032 direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num; 2033 2034 /* According the direction to read register value */ 2035 if (direction) 2036 value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & BIT(gpio_num)) >> gpio_num; 2037 else 2038 value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL) & BIT(gpio_num)) >> gpio_num; 2039 2040 rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL); 2041 DBG_871X("%s direction =%d value =%d\n", __func__, direction, value); 2042 2043 return value; 2044 } 2045 EXPORT_SYMBOL(rtw_get_gpio); 2046 2047 int rtw_set_gpio_output_value(struct net_device *netdev, int gpio_num, bool isHigh) 2048 { 2049 u8 direction = 0; 2050 u8 res = -1; 2051 struct adapter *adapter = rtw_netdev_priv(netdev); 2052 2053 /* Check GPIO is 4~7 */ 2054 if (gpio_num > 7 || gpio_num < 4) { 2055 DBG_871X("%s The gpio number does not included 4~7.\n", __func__); 2056 return -1; 2057 } 2058 2059 rtw_ps_deny(adapter, PS_DENY_IOCTL); 2060 2061 LeaveAllPowerSaveModeDirect(adapter); 2062 2063 /* Read GPIO direction */ 2064 direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num; 2065 2066 /* If GPIO is output direction, setting value. */ 2067 if (direction) { 2068 if (isHigh) 2069 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) | BIT(gpio_num)); 2070 else 2071 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & ~BIT(gpio_num)); 2072 2073 DBG_871X("%s Set gpio %x[%d]=%d\n", __func__, REG_GPIO_PIN_CTRL+1, gpio_num, isHigh); 2074 res = 0; 2075 } else { 2076 DBG_871X("%s The gpio is input, not be set!\n", __func__); 2077 res = -1; 2078 } 2079 2080 rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL); 2081 return res; 2082 } 2083 EXPORT_SYMBOL(rtw_set_gpio_output_value); 2084 2085 int rtw_config_gpio(struct net_device *netdev, int gpio_num, bool isOutput) 2086 { 2087 struct adapter *adapter = rtw_netdev_priv(netdev); 2088 2089 if (gpio_num > 7 || gpio_num < 4) { 2090 DBG_871X("%s The gpio number does not included 4~7.\n", __func__); 2091 return -1; 2092 } 2093 2094 DBG_871X("%s gpio_num =%d direction =%d\n", __func__, gpio_num, isOutput); 2095 2096 rtw_ps_deny(adapter, PS_DENY_IOCTL); 2097 2098 LeaveAllPowerSaveModeDirect(adapter); 2099 2100 if (isOutput) 2101 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) | BIT(gpio_num)); 2102 else 2103 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & ~BIT(gpio_num)); 2104 2105 rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL); 2106 2107 return 0; 2108 } 2109 EXPORT_SYMBOL(rtw_config_gpio); 2110 #endif 2111 2112