1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
4 * This program is distributed in the hope that it will be useful, but WITHOUT
5 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
9 * You should have received a copy of the GNU General Public License along with
10 * this program; if not, write to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
13 * The full GNU General Public License is included in this distribution in the
14 * file called LICENSE.
16 * Contact Information:
17 * wlanfae <wlanfae@realtek.com>
18 ******************************************************************************/
20 #include "rtl819x_HT.h"
21 u8 MCS_FILTER_ALL[16] = {
22 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
23 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
26 u8 MCS_FILTER_1SS[16] = {
27 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
28 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
31 u16 MCS_DATA_RATE[2][2][77] = {
32 {{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234,
33 260, 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416,
34 468, 520, 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182,
35 182, 208, 156, 195, 195, 234, 273, 273, 312, 130, 156, 181, 156,
36 181, 208, 234, 208, 234, 260, 260, 286, 195, 234, 273, 234, 273,
37 312, 351, 312, 351, 390, 390, 429} ,
38 {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
39 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520,
40 578, 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231,
41 173, 217, 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260,
42 231, 260, 289, 289, 318, 217, 260, 303, 260, 303, 347, 390, 347, 390,
44 {{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486,
45 540, 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648,
46 864, 972, 1080, 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324,
47 378, 378, 432, 324, 405, 405, 486, 567, 567, 648, 270, 324, 378, 324,
48 378, 432, 486, 432, 486, 540, 540, 594, 405, 486, 567, 486, 567, 648,
49 729, 648, 729, 810, 810, 891},
50 {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540,
51 600, 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720,
52 960, 1080, 1200, 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360,
53 420, 420, 480, 360, 450, 450, 540, 630, 630, 720, 300, 360, 420, 360,
54 420, 480, 540, 480, 540, 600, 600, 660, 450, 540, 630, 540, 630, 720,
55 810, 720, 810, 900, 900, 990} }
58 static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
60 static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
62 static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
64 static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};
66 static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
68 static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
70 static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
72 static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
74 static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
76 static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
78 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
80 static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
82 void HTUpdateDefaultSetting(struct rtllib_device *ieee)
84 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
86 pHTInfo->bAcceptAddbaReq = 1;
88 pHTInfo->bRegShortGI20MHz = 1;
89 pHTInfo->bRegShortGI40MHz = 1;
91 pHTInfo->bRegBW40MHz = 1;
93 if (pHTInfo->bRegBW40MHz)
94 pHTInfo->bRegSuppCCK = 1;
96 pHTInfo->bRegSuppCCK = true;
98 pHTInfo->nAMSDU_MaxSize = 7935UL;
99 pHTInfo->bAMSDU_Support = 0;
101 pHTInfo->bAMPDUEnable = 1;
102 pHTInfo->AMPDU_Factor = 2;
103 pHTInfo->MPDU_Density = 0;
105 pHTInfo->SelfMimoPs = 3;
106 if (pHTInfo->SelfMimoPs == 2)
107 pHTInfo->SelfMimoPs = 3;
108 ieee->bTxDisableRateFallBack = 0;
109 ieee->bTxUseDriverAssingedRate = 0;
111 ieee->bTxEnableFwCalcDur = 1;
113 pHTInfo->bRegRT2RTAggregation = 1;
115 pHTInfo->bRegRxReorderEnable = 1;
116 pHTInfo->RxReorderWinSize = 64;
117 pHTInfo->RxReorderPendingTime = 30;
120 void HTDebugHTCapability(u8 *CapIE, u8 *TitleString)
123 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
124 struct ht_capab_ele *pCapELE;
126 if (!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap))) {
127 RTLLIB_DEBUG(RTLLIB_DL_HT, "EWC IE in %s()\n", __func__);
128 pCapELE = (struct ht_capab_ele *)(&CapIE[4]);
130 pCapELE = (struct ht_capab_ele *)(&CapIE[0]);
132 RTLLIB_DEBUG(RTLLIB_DL_HT, "<Log HT Capability>. Called by %s\n",
135 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupported Channel Width = %s\n",
136 (pCapELE->ChlWidth) ? "20MHz" : "20/40MHz");
137 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport Short GI for 20M = %s\n",
138 (pCapELE->ShortGI20Mhz) ? "YES" : "NO");
139 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport Short GI for 40M = %s\n",
140 (pCapELE->ShortGI40Mhz) ? "YES" : "NO");
141 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport TX STBC = %s\n",
142 (pCapELE->TxSTBC) ? "YES" : "NO");
143 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMax AMSDU Size = %s\n",
144 (pCapELE->MaxAMSDUSize) ? "3839" : "7935");
145 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport CCK in 20/40 mode = %s\n",
146 (pCapELE->DssCCk) ? "YES" : "NO");
147 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMax AMPDU Factor = %d\n",
148 pCapELE->MaxRxAMPDUFactor);
149 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMPDU Density = %d\n",
150 pCapELE->MPDUDensity);
151 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n",
152 pCapELE->MCS[0], pCapELE->MCS[1], pCapELE->MCS[2],
153 pCapELE->MCS[3], pCapELE->MCS[4]);
158 void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString)
161 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
162 struct ht_info_ele *pHTInfoEle;
164 if (!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo))) {
165 RTLLIB_DEBUG(RTLLIB_DL_HT, "EWC IE in %s()\n", __func__);
166 pHTInfoEle = (struct ht_info_ele *)(&InfoIE[4]);
168 pHTInfoEle = (struct ht_info_ele *)(&InfoIE[0]);
171 RTLLIB_DEBUG(RTLLIB_DL_HT, "<Log HT Information Element>. "
172 "Called by %s\n", TitleString);
174 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tPrimary channel = %d\n",
175 pHTInfoEle->ControlChl);
176 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSenondary channel =");
177 switch (pHTInfoEle->ExtChlOffset) {
179 RTLLIB_DEBUG(RTLLIB_DL_HT, "Not Present\n");
182 RTLLIB_DEBUG(RTLLIB_DL_HT, "Upper channel\n");
185 RTLLIB_DEBUG(RTLLIB_DL_HT, "Reserved. Eooro!!!\n");
188 RTLLIB_DEBUG(RTLLIB_DL_HT, "Lower Channel\n");
191 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tRecommended channel width = %s\n",
192 (pHTInfoEle->RecommemdedTxWidth) ? "20Mhz" : "40Mhz");
194 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tOperation mode for protection = ");
195 switch (pHTInfoEle->OptMode) {
197 RTLLIB_DEBUG(RTLLIB_DL_HT, "No Protection\n");
200 RTLLIB_DEBUG(RTLLIB_DL_HT, "HT non-member protection mode\n");
203 RTLLIB_DEBUG(RTLLIB_DL_HT, "Suggest to open protection\n");
206 RTLLIB_DEBUG(RTLLIB_DL_HT, "HT mixed mode\n");
210 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x]"
211 "[%x]\n", pHTInfoEle->BasicMSC[0], pHTInfoEle->BasicMSC[1],
212 pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3],
213 pHTInfoEle->BasicMSC[4]);
216 static bool IsHTHalfNmode40Bandwidth(struct rtllib_device *ieee)
218 bool retValue = false;
219 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
221 if (pHTInfo->bCurrentHTSupport == false)
223 else if (pHTInfo->bRegBW40MHz == false)
225 else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
227 else if (((struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf))->ChlWidth)
235 static bool IsHTHalfNmodeSGI(struct rtllib_device *ieee, bool is40MHz)
237 bool retValue = false;
238 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
240 if (pHTInfo->bCurrentHTSupport == false)
242 else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
245 if (((struct ht_capab_ele *)
246 (pHTInfo->PeerHTCapBuf))->ShortGI40Mhz)
251 if (((struct ht_capab_ele *)
252 (pHTInfo->PeerHTCapBuf))->ShortGI20Mhz)
261 u16 HTHalfMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
267 is40MHz = (IsHTHalfNmode40Bandwidth(ieee)) ? 1 : 0;
268 isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz)) ? 1 : 0;
270 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
274 u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
276 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
278 u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0;
279 u8 isShortGI = (pHTInfo->bCurBW40MHz) ?
280 ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) :
281 ((pHTInfo->bCurShortGI20MHz) ? 1 : 0);
282 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
285 u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate)
287 u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
288 0x24, 0x30, 0x48, 0x60, 0x6c};
292 if (nDataRate < 12) {
293 return CCKOFDMRate[nDataRate];
295 if (nDataRate >= 0x10 && nDataRate <= 0x1f) {
298 } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) {
302 } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) {
305 } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) {
309 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
313 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)
315 bool retValue = false;
316 struct rtllib_network *net = &ieee->current_network;
318 if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
319 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
320 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
321 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
322 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
323 (net->ralink_cap_exist))
325 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
326 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
327 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ||
328 (net->broadcom_cap_exist))
330 else if (net->bssht.bdRT2RTAggregation)
338 static void HTIOTPeerDetermine(struct rtllib_device *ieee)
340 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
341 struct rtllib_network *net = &ieee->current_network;
343 if (net->bssht.bdRT2RTAggregation) {
344 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
345 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE)
346 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
347 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP)
348 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
349 } else if (net->broadcom_cap_exist)
350 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
351 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
352 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
353 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3))
354 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
355 else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
356 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
357 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
358 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
359 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
360 net->ralink_cap_exist)
361 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
362 else if ((net->atheros_cap_exist) ||
363 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
364 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
365 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
366 else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
367 net->cisco_cap_exist)
368 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
369 else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
370 net->marvell_cap_exist)
371 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
372 else if (net->airgo_cap_exist)
373 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO;
375 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
377 RTLLIB_DEBUG(RTLLIB_DL_IOT, "Joseph debug!! IOTPEER: %x\n",
381 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
387 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
389 bool retValue = false;
394 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
399 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, u8 *PeerMacAddr)
404 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
405 struct rtllib_network *network)
410 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
416 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
420 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
425 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
427 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
429 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
431 if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
432 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
434 if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
435 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
439 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo)
441 pHTInfo->IOTAction = 0;
442 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
443 pHTInfo->IOTRaFunc = 0;
446 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap,
447 u8 *len, u8 IsEncrypt, bool bAssoc)
449 struct rt_hi_throughput *pHT = ieee->pHTInfo;
450 struct ht_capab_ele *pCapELE = NULL;
452 if ((posHTCap == NULL) || (pHT == NULL)) {
453 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTCap or pHTInfo can't be "
454 "null in HTConstructCapabilityElement()\n");
457 memset(posHTCap, 0, *len);
459 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) {
460 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
462 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
463 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]);
466 pCapELE = (struct ht_capab_ele *)posHTCap;
470 pCapELE->AdvCoding = 0;
471 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
472 pCapELE->ChlWidth = 0;
474 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0);
476 pCapELE->MimoPwrSave = pHT->SelfMimoPs;
477 pCapELE->GreenField = 0;
478 pCapELE->ShortGI20Mhz = 1;
479 pCapELE->ShortGI40Mhz = 1;
483 pCapELE->DelayBA = 0;
484 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
485 pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0);
487 pCapELE->LSigTxopProtect = 0;
490 RTLLIB_DEBUG(RTLLIB_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d "
491 "DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize,
495 pCapELE->MPDUDensity = 7;
496 pCapELE->MaxRxAMPDUFactor = 2;
498 pCapELE->MaxRxAMPDUFactor = 3;
499 pCapELE->MPDUDensity = 0;
502 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
503 memset(&pCapELE->ExtHTCapInfo, 0, 2);
504 memset(pCapELE->TxBFCap, 0, 4);
509 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
510 pCapELE->MCS[1] &= 0x7f;
512 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
513 pCapELE->MCS[1] &= 0xbf;
515 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
516 pCapELE->MCS[1] &= 0x00;
518 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
519 pCapELE->ShortGI40Mhz = 0;
521 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
522 pCapELE->ChlWidth = 0;
528 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo,
529 u8 *len, u8 IsEncrypt)
531 struct rt_hi_throughput *pHT = ieee->pHTInfo;
532 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo;
534 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) {
535 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTInfo or pHTInfoEle can't be "
536 "null in HTConstructInfoElement()\n");
540 memset(posHTInfo, 0, *len);
541 if ((ieee->iw_mode == IW_MODE_ADHOC) ||
542 (ieee->iw_mode == IW_MODE_MASTER)) {
543 pHTInfoEle->ControlChl = ieee->current_network.channel;
544 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ?
545 HT_EXTCHNL_OFFSET_NO_EXT :
546 (ieee->current_network.channel <= 6)
547 ? HT_EXTCHNL_OFFSET_UPPER :
548 HT_EXTCHNL_OFFSET_LOWER);
549 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz;
550 pHTInfoEle->RIFS = 0;
551 pHTInfoEle->PSMPAccessOnly = 0;
552 pHTInfoEle->SrvIntGranularity = 0;
553 pHTInfoEle->OptMode = pHT->CurrentOpMode;
554 pHTInfoEle->NonGFDevPresent = 0;
555 pHTInfoEle->DualBeacon = 0;
556 pHTInfoEle->SecondaryBeacon = 0;
557 pHTInfoEle->LSigTxopProtectFull = 0;
558 pHTInfoEle->PcoActive = 0;
559 pHTInfoEle->PcoPhase = 0;
561 memset(pHTInfoEle->BasicMSC, 0, 16);
571 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg,
574 if (posRT2RTAgg == NULL) {
575 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posRT2RTAgg can't be null in "
576 "HTConstructRT2RTAggElement()\n");
579 memset(posRT2RTAgg, 0, *len);
580 *posRT2RTAgg++ = 0x00;
581 *posRT2RTAgg++ = 0xe0;
582 *posRT2RTAgg++ = 0x4c;
583 *posRT2RTAgg++ = 0x02;
584 *posRT2RTAgg++ = 0x01;
588 if (ieee->bSupportRemoteWakeUp)
589 *posRT2RTAgg |= RT_HT_CAP_USE_WOW;
594 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
598 if (pOperateMCS == NULL) {
599 RTLLIB_DEBUG(RTLLIB_DL_ERR, "pOperateMCS can't be null"
600 " in HT_PickMCSRate()\n");
604 switch (ieee->mode) {
608 for (i = 0; i <= 15; i++)
613 pOperateMCS[0] &= RATE_ADPT_1SS_MASK;
614 pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
615 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
625 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
631 u8 availableMcsRate[16];
633 if (pMCSRateSet == NULL || pMCSFilter == NULL) {
634 RTLLIB_DEBUG(RTLLIB_DL_ERR, "pMCSRateSet or pMCSFilter can't "
635 "be null in HTGetHighestMCSRate()\n");
638 for (i = 0; i < 16; i++)
639 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
641 for (i = 0; i < 16; i++) {
642 if (availableMcsRate[i] != 0)
648 for (i = 0; i < 16; i++) {
649 if (availableMcsRate[i] != 0) {
650 bitMap = availableMcsRate[i];
651 for (j = 0; j < 8; j++) {
652 if ((bitMap%2) != 0) {
653 if (HTMcsToDataRate(ieee, (8*i+j)) >
654 HTMcsToDataRate(ieee, mcsRate))
661 return mcsRate | 0x80;
664 u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, u8 *pOperateMCS)
669 for (i = 0; i <= 15; i++)
670 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] &
673 HT_PickMCSRate(ieee, pOperateMCS);
675 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
678 for (i = 2; i <= 15; i++)
684 void HTSetConnectBwMode(struct rtllib_device *ieee,
685 enum ht_channel_width Bandwidth,
686 enum ht_extchnl_offset Offset);
688 void HTOnAssocRsp(struct rtllib_device *ieee)
690 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
691 struct ht_capab_ele *pPeerHTCap = NULL;
692 struct ht_info_ele *pPeerHTInfo = NULL;
693 u16 nMaxAMSDUSize = 0;
694 u8 *pMcsFilter = NULL;
696 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
697 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
699 if (pHTInfo->bCurrentHTSupport == false) {
700 RTLLIB_DEBUG(RTLLIB_DL_ERR, "<=== HTOnAssocRsp(): "
704 RTLLIB_DEBUG(RTLLIB_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
706 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
707 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]);
709 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf);
711 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
712 pPeerHTInfo = (struct ht_info_ele *)
713 (&pHTInfo->PeerHTInfoBuf[4]);
715 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf);
717 RTLLIB_DEBUG_DATA(RTLLIB_DL_DATA | RTLLIB_DL_HT, pPeerHTCap,
718 sizeof(struct ht_capab_ele));
719 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth),
720 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset));
721 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ?
724 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ?
725 ((pPeerHTCap->ShortGI20Mhz == 1) ?
726 true : false) : false);
727 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ?
728 ((pPeerHTCap->ShortGI40Mhz == 1) ?
729 true : false) : false);
731 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ?
732 ((pPeerHTCap->DssCCk == 1) ? true :
736 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
738 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935;
740 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize)
741 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
743 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
745 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
746 if (ieee->rtllib_ap_sec_type &&
747 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
748 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) ||
749 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN))
750 pHTInfo->bCurrentAMPDUEnable = false;
753 if (!pHTInfo->bRegRT2RTAggregation) {
754 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
755 pHTInfo->CurrentAMPDUFactor =
756 pPeerHTCap->MaxRxAMPDUFactor;
758 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
761 if (ieee->current_network.bssht.bdRT2RTAggregation) {
762 if (ieee->pairwise_key_type != KEY_TYPE_NA)
763 pHTInfo->CurrentAMPDUFactor =
764 pPeerHTCap->MaxRxAMPDUFactor;
766 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
768 if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
769 pHTInfo->CurrentAMPDUFactor =
770 pPeerHTCap->MaxRxAMPDUFactor;
772 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
775 if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
776 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
778 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
779 if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) {
780 pHTInfo->bCurrentAMPDUEnable = false;
781 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
782 pHTInfo->ForcedAMSDUMaxSize = 7935;
784 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
786 if (pPeerHTCap->MCS[0] == 0)
787 pPeerHTCap->MCS[0] = 0xff;
789 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0));
791 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
793 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
794 if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
795 pMcsFilter = MCS_FILTER_1SS;
797 pMcsFilter = MCS_FILTER_ALL;
798 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
799 ieee->dot11HTOperationalRateSet, pMcsFilter);
800 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
802 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
805 void HTInitializeHTInfo(struct rtllib_device *ieee)
807 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
809 RTLLIB_DEBUG(RTLLIB_DL_HT, "===========>%s()\n", __func__);
810 pHTInfo->bCurrentHTSupport = false;
812 pHTInfo->bCurBW40MHz = false;
813 pHTInfo->bCurTxBW40MHz = false;
815 pHTInfo->bCurShortGI20MHz = false;
816 pHTInfo->bCurShortGI40MHz = false;
817 pHTInfo->bForcedShortGI = false;
819 pHTInfo->bCurSuppCCK = true;
821 pHTInfo->bCurrent_AMSDU_Support = false;
822 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
823 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
824 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
826 memset((void *)(&(pHTInfo->SelfHTCap)), 0,
827 sizeof(pHTInfo->SelfHTCap));
828 memset((void *)(&(pHTInfo->SelfHTInfo)), 0,
829 sizeof(pHTInfo->SelfHTInfo));
830 memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0,
831 sizeof(pHTInfo->PeerHTCapBuf));
832 memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0,
833 sizeof(pHTInfo->PeerHTInfoBuf));
835 pHTInfo->bSwBwInProgress = false;
836 pHTInfo->ChnlOp = CHNLOP_NONE;
838 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
840 pHTInfo->bCurrentRT2RTAggregation = false;
841 pHTInfo->bCurrentRT2RTLongSlotTime = false;
842 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
844 pHTInfo->IOTPeer = 0;
845 pHTInfo->IOTAction = 0;
846 pHTInfo->IOTRaFunc = 0;
849 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
851 RegHTSuppRateSets[0] = 0xFF;
852 RegHTSuppRateSets[1] = 0xFF;
853 RegHTSuppRateSets[4] = 0x01;
857 void HTInitializeBssDesc(struct bss_ht *pBssHT)
860 pBssHT->bdSupportHT = false;
861 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
862 pBssHT->bdHTCapLen = 0;
863 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
864 pBssHT->bdHTInfoLen = 0;
866 pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE;
868 pBssHT->bdRT2RTAggregation = false;
869 pBssHT->bdRT2RTLongSlotTime = false;
870 pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0;
873 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
874 struct rtllib_network *pNetwork)
876 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
879 RTLLIB_DEBUG(RTLLIB_DL_HT, "==============>%s()\n", __func__);
880 /* unmark bEnableHT flag here is the same reason why unmarked in
881 * function rtllib_softmac_new_net. WB 2008.09.10*/
882 if (pNetwork->bssht.bdSupportHT) {
883 pHTInfo->bCurrentHTSupport = true;
884 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
886 if (pNetwork->bssht.bdHTCapLen > 0 &&
887 pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
888 memcpy(pHTInfo->PeerHTCapBuf,
889 pNetwork->bssht.bdHTCapBuf,
890 pNetwork->bssht.bdHTCapLen);
892 if (pNetwork->bssht.bdHTInfoLen > 0 &&
893 pNetwork->bssht.bdHTInfoLen <=
894 sizeof(pHTInfo->PeerHTInfoBuf))
895 memcpy(pHTInfo->PeerHTInfoBuf,
896 pNetwork->bssht.bdHTInfoBuf,
897 pNetwork->bssht.bdHTInfoLen);
899 if (pHTInfo->bRegRT2RTAggregation) {
900 pHTInfo->bCurrentRT2RTAggregation =
901 pNetwork->bssht.bdRT2RTAggregation;
902 pHTInfo->bCurrentRT2RTLongSlotTime =
903 pNetwork->bssht.bdRT2RTLongSlotTime;
904 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
906 pHTInfo->bCurrentRT2RTAggregation = false;
907 pHTInfo->bCurrentRT2RTLongSlotTime = false;
908 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
911 HTIOTPeerDetermine(ieee);
913 pHTInfo->IOTAction = 0;
914 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
916 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
918 bIOTAction = HTIOTActIsDisableMCS15(ieee);
920 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
922 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
924 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
927 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
929 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
931 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork);
933 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
934 bIOTAction = HTIOTActIsCCDFsync(ieee);
936 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
938 pHTInfo->bCurrentHTSupport = false;
939 pHTInfo->bCurrentRT2RTAggregation = false;
940 pHTInfo->bCurrentRT2RTLongSlotTime = false;
941 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
943 pHTInfo->IOTAction = 0;
944 pHTInfo->IOTRaFunc = 0;
948 void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
949 struct rtllib_network *pNetwork)
951 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
952 struct ht_info_ele *pPeerHTInfo =
953 (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf;
955 if (pHTInfo->bCurrentHTSupport) {
956 if (pNetwork->bssht.bdHTInfoLen != 0)
957 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
960 EXPORT_SYMBOL(HT_update_self_and_peer_setting);
962 void HTUseDefaultSetting(struct rtllib_device *ieee)
964 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
966 if (pHTInfo->bEnableHT) {
967 pHTInfo->bCurrentHTSupport = true;
968 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
970 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
971 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz;
973 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz;
975 if (ieee->iw_mode == IW_MODE_ADHOC)
976 ieee->current_network.qos_data.active =
977 ieee->current_network.qos_data.supported;
978 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
979 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
981 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
982 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
984 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
986 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet,
987 ieee->dot11HTOperationalRateSet);
988 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
989 ieee->dot11HTOperationalRateSet,
991 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
994 pHTInfo->bCurrentHTSupport = false;
998 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame)
1000 if (ieee->pHTInfo->bCurrentHTSupport) {
1001 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) {
1002 RTLLIB_DEBUG(RTLLIB_DL_HT, "HT CONTROL FILED "
1010 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
1012 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
1014 RTLLIB_DEBUG(RTLLIB_DL_HT, "======>%s()\n", __func__);
1015 if (pHTInfo->bCurBW40MHz) {
1016 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER)
1017 ieee->set_chan(ieee->dev,
1018 ieee->current_network.channel + 2);
1019 else if (pHTInfo->CurSTAExtChnlOffset ==
1020 HT_EXTCHNL_OFFSET_LOWER)
1021 ieee->set_chan(ieee->dev,
1022 ieee->current_network.channel - 2);
1024 ieee->set_chan(ieee->dev,
1025 ieee->current_network.channel);
1027 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40,
1028 pHTInfo->CurSTAExtChnlOffset);
1030 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1031 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20,
1032 HT_EXTCHNL_OFFSET_NO_EXT);
1035 pHTInfo->bSwBwInProgress = false;
1038 void HTSetConnectBwMode(struct rtllib_device *ieee,
1039 enum ht_channel_width Bandwidth,
1040 enum ht_extchnl_offset Offset)
1042 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
1044 if (pHTInfo->bRegBW40MHz == false)
1047 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
1048 Bandwidth = HT_CHANNEL_WIDTH_20;
1050 if (pHTInfo->bSwBwInProgress) {
1051 pr_info("%s: bSwBwInProgress!!\n", __func__);
1054 if (Bandwidth == HT_CHANNEL_WIDTH_20_40) {
1055 if (ieee->current_network.channel < 2 &&
1056 Offset == HT_EXTCHNL_OFFSET_LOWER)
1057 Offset = HT_EXTCHNL_OFFSET_NO_EXT;
1058 if (Offset == HT_EXTCHNL_OFFSET_UPPER ||
1059 Offset == HT_EXTCHNL_OFFSET_LOWER) {
1060 pHTInfo->bCurBW40MHz = true;
1061 pHTInfo->CurSTAExtChnlOffset = Offset;
1063 pHTInfo->bCurBW40MHz = false;
1064 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1067 pHTInfo->bCurBW40MHz = false;
1068 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1071 pr_info("%s():pHTInfo->bCurBW40MHz:%x\n", __func__,
1072 pHTInfo->bCurBW40MHz);
1074 pHTInfo->bSwBwInProgress = true;
1076 HTSetConnectBwModeCallback(ieee);