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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 | /****************************************************************************** * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA * * The full GNU General Public License is included in this distribution in the * file called LICENSE. * * Contact Information: * wlanfae <wlanfae@realtek.com> ******************************************************************************/ #include "rtllib.h" #include "rtl819x_HT.h" u8 MCS_FILTER_ALL[16] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; u8 MCS_FILTER_1SS[16] = { 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} ; u16 MCS_DATA_RATE[2][2][77] = { {{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234, 260, 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520, 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195, 195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260, 286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429} , {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289, 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578, 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217, 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289, 318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477} } , {{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540, 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080, 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405, 405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540, 594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891}, {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600, 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200, 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450, 450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600, 660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990} } }; static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf}; static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70}; static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e}; static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf}; static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc}; static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e}; static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02}; static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0}; static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91}; static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94}; static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4}; void HTUpdateDefaultSetting(struct rtllib_device *ieee) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; pHTInfo->bAcceptAddbaReq = 1; pHTInfo->bRegShortGI20MHz = 1; pHTInfo->bRegShortGI40MHz = 1; pHTInfo->bRegBW40MHz = 1; if (pHTInfo->bRegBW40MHz) pHTInfo->bRegSuppCCK = 1; else pHTInfo->bRegSuppCCK = true; pHTInfo->nAMSDU_MaxSize = 7935UL; pHTInfo->bAMSDU_Support = 0; pHTInfo->bAMPDUEnable = 1; pHTInfo->AMPDU_Factor = 2; pHTInfo->MPDU_Density = 0; pHTInfo->SelfMimoPs = 3; if (pHTInfo->SelfMimoPs == 2) pHTInfo->SelfMimoPs = 3; ieee->bTxDisableRateFallBack = 0; ieee->bTxUseDriverAssingedRate = 0; ieee->bTxEnableFwCalcDur = 1; pHTInfo->bRegRT2RTAggregation = 1; pHTInfo->bRegRxReorderEnable = 1; pHTInfo->RxReorderWinSize = 64; pHTInfo->RxReorderPendingTime = 30; } void HTDebugHTCapability(u8 *CapIE, u8 *TitleString) { static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; struct ht_capab_ele *pCapELE; if (!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap))) { RTLLIB_DEBUG(RTLLIB_DL_HT, "EWC IE in %s()\n", __func__); pCapELE = (struct ht_capab_ele *)(&CapIE[4]); } else pCapELE = (struct ht_capab_ele *)(&CapIE[0]); RTLLIB_DEBUG(RTLLIB_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth) ? "20MHz" : "20/40MHz"); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz) ? "YES" : "NO"); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz) ? "YES" : "NO"); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC) ? "YES" : "NO"); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize) ? "3839" : "7935"); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk) ? "YES" : "NO"); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMPDU Density = %d\n", pCapELE->MPDUDensity); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0], pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]); return; } void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString) { static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; struct ht_info_ele *pHTInfoEle; if (!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo))) { RTLLIB_DEBUG(RTLLIB_DL_HT, "EWC IE in %s()\n", __func__); pHTInfoEle = (struct ht_info_ele *)(&InfoIE[4]); } else pHTInfoEle = (struct ht_info_ele *)(&InfoIE[0]); RTLLIB_DEBUG(RTLLIB_DL_HT, "<Log HT Information Element>. " "Called by %s\n", TitleString); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSenondary channel ="); switch (pHTInfoEle->ExtChlOffset) { case 0: RTLLIB_DEBUG(RTLLIB_DL_HT, "Not Present\n"); break; case 1: RTLLIB_DEBUG(RTLLIB_DL_HT, "Upper channel\n"); break; case 2: RTLLIB_DEBUG(RTLLIB_DL_HT, "Reserved. Eooro!!!\n"); break; case 3: RTLLIB_DEBUG(RTLLIB_DL_HT, "Lower Channel\n"); break; } RTLLIB_DEBUG(RTLLIB_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth) ? "20Mhz" : "40Mhz"); RTLLIB_DEBUG(RTLLIB_DL_HT, "\tOperation mode for protection = "); switch (pHTInfoEle->OptMode) { case 0: RTLLIB_DEBUG(RTLLIB_DL_HT, "No Protection\n"); break; case 1: RTLLIB_DEBUG(RTLLIB_DL_HT, "HT non-member protection mode\n"); break; case 2: RTLLIB_DEBUG(RTLLIB_DL_HT, "Suggest to open protection\n"); break; case 3: RTLLIB_DEBUG(RTLLIB_DL_HT, "HT mixed mode\n"); break; } RTLLIB_DEBUG(RTLLIB_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x]" "[%x]\n", pHTInfoEle->BasicMSC[0], pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]); return; } static bool IsHTHalfNmode40Bandwidth(struct rtllib_device *ieee) { bool retValue = false; struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; if (pHTInfo->bCurrentHTSupport == false) retValue = false; else if (pHTInfo->bRegBW40MHz == false) retValue = false; else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) retValue = false; else if (((struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf))->ChlWidth) retValue = true; else retValue = false; return retValue; } static bool IsHTHalfNmodeSGI(struct rtllib_device *ieee, bool is40MHz) { bool retValue = false; struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; if (pHTInfo->bCurrentHTSupport == false) retValue = false; else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) retValue = false; else if (is40MHz) { if (((struct ht_capab_ele *) (pHTInfo->PeerHTCapBuf))->ShortGI40Mhz) retValue = true; else retValue = false; } else { if (((struct ht_capab_ele *) (pHTInfo->PeerHTCapBuf))->ShortGI20Mhz) retValue = true; else retValue = false; } return retValue; } u16 HTHalfMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate) { u8 is40MHz; u8 isShortGI; is40MHz = (IsHTHalfNmode40Bandwidth(ieee)) ? 1 : 0; isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz)) ? 1 : 0; return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)]; } u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0; u8 isShortGI = (pHTInfo->bCurBW40MHz) ? ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) : ((pHTInfo->bCurShortGI20MHz) ? 1 : 0); return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)]; } u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate) { u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c}; u8 is40MHz = 0; u8 isShortGI = 0; if (nDataRate < 12) { return CCKOFDMRate[nDataRate]; } else { if (nDataRate >= 0x10 && nDataRate <= 0x1f) { is40MHz = 0; isShortGI = 0; } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) { is40MHz = 1; isShortGI = 0; } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) { is40MHz = 0; isShortGI = 1; } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) { is40MHz = 1; isShortGI = 1; } return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf]; } } bool IsHTHalfNmodeAPs(struct rtllib_device *ieee) { bool retValue = false; struct rtllib_network *net = &ieee->current_network; if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) || (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) || (memcmp(net->bssid, PCI_RALINK, 3) == 0) || (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) || (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) || (net->ralink_cap_exist)) retValue = true; else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) || (net->broadcom_cap_exist)) retValue = true; else if (net->bssht.bdRT2RTAggregation) retValue = true; else retValue = false; return retValue; } static void HTIOTPeerDetermine(struct rtllib_device *ieee) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; struct rtllib_network *net = &ieee->current_network; if (net->bssht.bdRT2RTAggregation) { pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK; if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE) pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE; if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP) pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP; } else if (net->broadcom_cap_exist) pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)) pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) || (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) || (memcmp(net->bssid, PCI_RALINK, 3) == 0) || (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) || (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) || net->ralink_cap_exist) pHTInfo->IOTPeer = HT_IOT_PEER_RALINK; else if ((net->atheros_cap_exist) || (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) || (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS; else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) || net->cisco_cap_exist) pHTInfo->IOTPeer = HT_IOT_PEER_CISCO; else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) || net->marvell_cap_exist) pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL; else if (net->airgo_cap_exist) pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO; else pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; RTLLIB_DEBUG(RTLLIB_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer); } static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr) { return 0; } static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee) { bool retValue = false; return retValue; } static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee) { return false; } static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, u8 *PeerMacAddr) { return false; } static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee, struct rtllib_network *network) { u8 retValue = 0; if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) retValue = 1; return retValue; } static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee) { u8 retValue = 0; if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) retValue = 1; return retValue; } static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL; if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss) pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R; if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE) pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU; } void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo) { pHTInfo->IOTAction = 0; pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; pHTInfo->IOTRaFunc = 0; } void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap, u8 *len, u8 IsEncrypt, bool bAssoc) { struct rt_hi_throughput *pHT = ieee->pHTInfo; struct ht_capab_ele *pCapELE = NULL; if ((posHTCap == NULL) || (pHT == NULL)) { RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTCap or pHTInfo can't be " "null in HTConstructCapabilityElement()\n"); return; } memset(posHTCap, 0, *len); if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) { u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); pCapELE = (struct ht_capab_ele *)&(posHTCap[4]); *len = 30 + 2; } else { pCapELE = (struct ht_capab_ele *)posHTCap; *len = 26 + 2; } pCapELE->AdvCoding = 0; if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) pCapELE->ChlWidth = 0; else pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0); pCapELE->MimoPwrSave = pHT->SelfMimoPs; pCapELE->GreenField = 0; pCapELE->ShortGI20Mhz = 1; pCapELE->ShortGI40Mhz = 1; pCapELE->TxSTBC = 1; pCapELE->RxSTBC = 0; pCapELE->DelayBA = 0; pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0; pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0); pCapELE->PSMP = 0; pCapELE->LSigTxopProtect = 0; RTLLIB_DEBUG(RTLLIB_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d " "DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); if (IsEncrypt) { pCapELE->MPDUDensity = 7; pCapELE->MaxRxAMPDUFactor = 2; } else { pCapELE->MaxRxAMPDUFactor = 3; pCapELE->MPDUDensity = 0; } memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); memset(&pCapELE->ExtHTCapInfo, 0, 2); memset(pCapELE->TxBFCap, 0, 4); pCapELE->ASCap = 0; if (bAssoc) { if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15) pCapELE->MCS[1] &= 0x7f; if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14) pCapELE->MCS[1] &= 0xbf; if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS) pCapELE->MCS[1] &= 0x00; if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI) pCapELE->ShortGI40Mhz = 0; if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) { pCapELE->ChlWidth = 0; pCapELE->MCS[1] = 0; } } return; } void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo, u8 *len, u8 IsEncrypt) { struct rt_hi_throughput *pHT = ieee->pHTInfo; struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo; if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) { RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTInfo or pHTInfoEle can't be " "null in HTConstructInfoElement()\n"); return; } memset(posHTInfo, 0, *len); if ((ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) { pHTInfoEle->ControlChl = ieee->current_network.channel; pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ? HT_EXTCHNL_OFFSET_NO_EXT : (ieee->current_network.channel <= 6) ? HT_EXTCHNL_OFFSET_UPPER : HT_EXTCHNL_OFFSET_LOWER); pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz; pHTInfoEle->RIFS = 0; pHTInfoEle->PSMPAccessOnly = 0; pHTInfoEle->SrvIntGranularity = 0; pHTInfoEle->OptMode = pHT->CurrentOpMode; pHTInfoEle->NonGFDevPresent = 0; pHTInfoEle->DualBeacon = 0; pHTInfoEle->SecondaryBeacon = 0; pHTInfoEle->LSigTxopProtectFull = 0; pHTInfoEle->PcoActive = 0; pHTInfoEle->PcoPhase = 0; memset(pHTInfoEle->BasicMSC, 0, 16); *len = 22 + 2; } else { *len = 0; } return; } void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg, u8 *len) { if (posRT2RTAgg == NULL) { RTLLIB_DEBUG(RTLLIB_DL_ERR, "posRT2RTAgg can't be null in " "HTConstructRT2RTAggElement()\n"); return; } memset(posRT2RTAgg, 0, *len); *posRT2RTAgg++ = 0x00; *posRT2RTAgg++ = 0xe0; *posRT2RTAgg++ = 0x4c; *posRT2RTAgg++ = 0x02; *posRT2RTAgg++ = 0x01; *posRT2RTAgg = 0x30; if (ieee->bSupportRemoteWakeUp) *posRT2RTAgg |= RT_HT_CAP_USE_WOW; *len = 6 + 2; return; } static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS) { u8 i; if (pOperateMCS == NULL) { RTLLIB_DEBUG(RTLLIB_DL_ERR, "pOperateMCS can't be null" " in HT_PickMCSRate()\n"); return false; } switch (ieee->mode) { case IEEE_A: case IEEE_B: case IEEE_G: for (i = 0; i <= 15; i++) pOperateMCS[i] = 0; break; case IEEE_N_24G: case IEEE_N_5G: pOperateMCS[0] &= RATE_ADPT_1SS_MASK; pOperateMCS[1] &= RATE_ADPT_2SS_MASK; pOperateMCS[3] &= RATE_ADPT_MCS32_MASK; break; default: break; } return true; } u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet, u8 *pMCSFilter) { u8 i, j; u8 bitMap; u8 mcsRate = 0; u8 availableMcsRate[16]; if (pMCSRateSet == NULL || pMCSFilter == NULL) { RTLLIB_DEBUG(RTLLIB_DL_ERR, "pMCSRateSet or pMCSFilter can't " "be null in HTGetHighestMCSRate()\n"); return false; } for (i = 0; i < 16; i++) availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i]; for (i = 0; i < 16; i++) { if (availableMcsRate[i] != 0) break; } if (i == 16) return false; for (i = 0; i < 16; i++) { if (availableMcsRate[i] != 0) { bitMap = availableMcsRate[i]; for (j = 0; j < 8; j++) { if ((bitMap%2) != 0) { if (HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate)) mcsRate = (8*i+j); } bitMap = bitMap>>1; } } } return mcsRate | 0x80; } u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, u8 *pOperateMCS) { u8 i; for (i = 0; i <= 15; i++) pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] & pSupportMCS[i]; HT_PickMCSRate(ieee, pOperateMCS); if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) pOperateMCS[1] = 0; for (i = 2; i <= 15; i++) pOperateMCS[i] = 0; return true; } void HTSetConnectBwMode(struct rtllib_device *ieee, enum ht_channel_width Bandwidth, enum ht_extchnl_offset Offset); void HTOnAssocRsp(struct rtllib_device *ieee) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; struct ht_capab_ele *pPeerHTCap = NULL; struct ht_info_ele *pPeerHTInfo = NULL; u16 nMaxAMSDUSize = 0; u8 *pMcsFilter = NULL; static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; if (pHTInfo->bCurrentHTSupport == false) { RTLLIB_DEBUG(RTLLIB_DL_ERR, "<=== HTOnAssocRsp(): " "HT_DISABLE\n"); return; } RTLLIB_DEBUG(RTLLIB_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n"); if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap))) pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]); else pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf); if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) pPeerHTInfo = (struct ht_info_ele *) (&pHTInfo->PeerHTInfoBuf[4]); else pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf); RTLLIB_DEBUG_DATA(RTLLIB_DL_DATA | RTLLIB_DL_HT, pPeerHTCap, sizeof(struct ht_capab_ele)); HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth), (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset)); pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ? true : false); pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ? ((pPeerHTCap->ShortGI20Mhz == 1) ? true : false) : false); pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ? ((pPeerHTCap->ShortGI40Mhz == 1) ? true : false) : false); pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ? ((pPeerHTCap->DssCCk == 1) ? true : false) : false); pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935; if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize) pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; else pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; if (ieee->rtllib_ap_sec_type && (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) { if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) || (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN)) pHTInfo->bCurrentAMPDUEnable = false; } if (!pHTInfo->bRegRT2RTAggregation) { if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; else pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; } else { if (ieee->current_network.bssht.bdRT2RTAggregation) { if (ieee->pairwise_key_type != KEY_TYPE_NA) pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; else pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K; } else { if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K) pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; else pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K; } } if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; else pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) { pHTInfo->bCurrentAMPDUEnable = false; pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; pHTInfo->ForcedAMSDUMaxSize = 7935; } pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable; if (pPeerHTCap->MCS[0] == 0) pPeerHTCap->MCS[0] = 0xff; HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0)); HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave; if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC) pMcsFilter = MCS_FILTER_1SS; else pMcsFilter = MCS_FILTER_ALL; ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter); ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; } void HTInitializeHTInfo(struct rtllib_device *ieee) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; RTLLIB_DEBUG(RTLLIB_DL_HT, "===========>%s()\n", __func__); pHTInfo->bCurrentHTSupport = false; pHTInfo->bCurBW40MHz = false; pHTInfo->bCurTxBW40MHz = false; pHTInfo->bCurShortGI20MHz = false; pHTInfo->bCurShortGI40MHz = false; pHTInfo->bForcedShortGI = false; pHTInfo->bCurSuppCCK = true; pHTInfo->bCurrent_AMSDU_Support = false; pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; memset((void *)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap)); memset((void *)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo)); memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf)); memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf)); pHTInfo->bSwBwInProgress = false; pHTInfo->ChnlOp = CHNLOP_NONE; pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE; pHTInfo->bCurrentRT2RTAggregation = false; pHTInfo->bCurrentRT2RTLongSlotTime = false; pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; pHTInfo->IOTPeer = 0; pHTInfo->IOTAction = 0; pHTInfo->IOTRaFunc = 0; { u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]); RegHTSuppRateSets[0] = 0xFF; RegHTSuppRateSets[1] = 0xFF; RegHTSuppRateSets[4] = 0x01; } } void HTInitializeBssDesc(struct bss_ht *pBssHT) { pBssHT->bdSupportHT = false; memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf)); pBssHT->bdHTCapLen = 0; memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf)); pBssHT->bdHTInfoLen = 0; pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE; pBssHT->bdRT2RTAggregation = false; pBssHT->bdRT2RTLongSlotTime = false; pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0; } void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee, struct rtllib_network *pNetwork) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; u8 bIOTAction = 0; RTLLIB_DEBUG(RTLLIB_DL_HT, "==============>%s()\n", __func__); /* unmark bEnableHT flag here is the same reason why unmarked in * function rtllib_softmac_new_net. WB 2008.09.10*/ if (pNetwork->bssht.bdSupportHT) { pHTInfo->bCurrentHTSupport = true; pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer; if (pNetwork->bssht.bdHTCapLen > 0 && pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf)) memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen); if (pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf)) memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen); if (pHTInfo->bRegRT2RTAggregation) { pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation; pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime; pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode; } else { pHTInfo->bCurrentRT2RTAggregation = false; pHTInfo->bCurrentRT2RTLongSlotTime = false; pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; } HTIOTPeerDetermine(ieee); pHTInfo->IOTAction = 0; bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); if (bIOTAction) pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14; bIOTAction = HTIOTActIsDisableMCS15(ieee); if (bIOTAction) pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15; bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee); if (bIOTAction) pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS; bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); if (bIOTAction) pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO; bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork); if (bIOTAction) pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M; bIOTAction = HTIOTActIsCCDFsync(ieee); if (bIOTAction) pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC; } else { pHTInfo->bCurrentHTSupport = false; pHTInfo->bCurrentRT2RTAggregation = false; pHTInfo->bCurrentRT2RTLongSlotTime = false; pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; pHTInfo->IOTAction = 0; pHTInfo->IOTRaFunc = 0; } } void HT_update_self_and_peer_setting(struct rtllib_device *ieee, struct rtllib_network *pNetwork) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; struct ht_info_ele *pPeerHTInfo = (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf; if (pHTInfo->bCurrentHTSupport) { if (pNetwork->bssht.bdHTInfoLen != 0) pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; } } EXPORT_SYMBOL(HT_update_self_and_peer_setting); void HTUseDefaultSetting(struct rtllib_device *ieee) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; if (pHTInfo->bEnableHT) { pHTInfo->bCurrentHTSupport = true; pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz; pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz; if (ieee->iw_mode == IW_MODE_ADHOC) ieee->current_network.qos_data.active = ieee->current_network.qos_data.supported; pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity; HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet, ieee->dot11HTOperationalRateSet); ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, MCS_FILTER_ALL); ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; } else { pHTInfo->bCurrentHTSupport = false; } return; } u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame) { if (ieee->pHTInfo->bCurrentHTSupport) { if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) { RTLLIB_DEBUG(RTLLIB_DL_HT, "HT CONTROL FILED " "EXIST!!\n"); return true; } } return false; } static void HTSetConnectBwModeCallback(struct rtllib_device *ieee) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; RTLLIB_DEBUG(RTLLIB_DL_HT, "======>%s()\n", __func__); if (pHTInfo->bCurBW40MHz) { if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER) ieee->set_chan(ieee->dev, ieee->current_network.channel + 2); else if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_LOWER) ieee->set_chan(ieee->dev, ieee->current_network.channel - 2); else ieee->set_chan(ieee->dev, ieee->current_network.channel); ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset); } else { ieee->set_chan(ieee->dev, ieee->current_network.channel); ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT); } pHTInfo->bSwBwInProgress = false; } void HTSetConnectBwMode(struct rtllib_device *ieee, enum ht_channel_width Bandwidth, enum ht_extchnl_offset Offset) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; if (pHTInfo->bRegBW40MHz == false) return; if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) Bandwidth = HT_CHANNEL_WIDTH_20; if (pHTInfo->bSwBwInProgress) { printk(KERN_INFO "%s: bSwBwInProgress!!\n", __func__); return; } if (Bandwidth == HT_CHANNEL_WIDTH_20_40) { if (ieee->current_network.channel < 2 && Offset == HT_EXTCHNL_OFFSET_LOWER) Offset = HT_EXTCHNL_OFFSET_NO_EXT; if (Offset == HT_EXTCHNL_OFFSET_UPPER || Offset == HT_EXTCHNL_OFFSET_LOWER) { pHTInfo->bCurBW40MHz = true; pHTInfo->CurSTAExtChnlOffset = Offset; } else { pHTInfo->bCurBW40MHz = false; pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; } } else { pHTInfo->bCurBW40MHz = false; pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; } printk(KERN_INFO "%s():pHTInfo->bCurBW40MHz:%x\n", __func__, pHTInfo->bCurBW40MHz); pHTInfo->bSwBwInProgress = true; HTSetConnectBwModeCallback(ieee); } |