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 u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
122 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
124 u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0;
125 u8 isShortGI = (pHTInfo->bCurBW40MHz) ?
126 ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) :
127 ((pHTInfo->bCurShortGI20MHz) ? 1 : 0);
128 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
131 u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate)
133 u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
134 0x24, 0x30, 0x48, 0x60, 0x6c};
139 return CCKOFDMRate[nDataRate];
140 if (nDataRate >= 0x10 && nDataRate <= 0x1f) {
143 } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) {
146 } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) {
149 } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) {
153 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
156 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)
158 bool retValue = false;
159 struct rtllib_network *net = &ieee->current_network;
161 if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
162 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
163 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
164 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
165 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
166 (net->ralink_cap_exist))
168 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
169 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
170 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ||
171 (net->broadcom_cap_exist))
173 else if (net->bssht.bdRT2RTAggregation)
181 static void HTIOTPeerDetermine(struct rtllib_device *ieee)
183 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
184 struct rtllib_network *net = &ieee->current_network;
186 if (net->bssht.bdRT2RTAggregation) {
187 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
188 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE)
189 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
190 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP)
191 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
192 } else if (net->broadcom_cap_exist)
193 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
194 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
195 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
196 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3))
197 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
198 else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
199 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
200 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
201 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
202 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
203 net->ralink_cap_exist)
204 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
205 else if ((net->atheros_cap_exist) ||
206 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
207 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
208 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
209 else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
210 net->cisco_cap_exist)
211 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
212 else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
213 net->marvell_cap_exist)
214 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
215 else if (net->airgo_cap_exist)
216 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO;
218 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
220 RTLLIB_DEBUG(RTLLIB_DL_IOT, "Joseph debug!! IOTPEER: %x\n",
224 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
230 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
235 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
240 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, u8 *PeerMacAddr)
245 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
246 struct rtllib_network *network)
251 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
257 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
261 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
266 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
268 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
270 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
272 if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
273 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
275 if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
276 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
280 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo)
282 pHTInfo->IOTAction = 0;
283 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
284 pHTInfo->IOTRaFunc = 0;
287 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap,
288 u8 *len, u8 IsEncrypt, bool bAssoc)
290 struct rt_hi_throughput *pHT = ieee->pHTInfo;
291 struct ht_capab_ele *pCapELE = NULL;
293 if ((posHTCap == NULL) || (pHT == NULL)) {
294 RTLLIB_DEBUG(RTLLIB_DL_ERR,
295 "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n");
298 memset(posHTCap, 0, *len);
300 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) {
301 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
303 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
304 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]);
307 pCapELE = (struct ht_capab_ele *)posHTCap;
311 pCapELE->AdvCoding = 0;
312 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
313 pCapELE->ChlWidth = 0;
315 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0);
317 pCapELE->MimoPwrSave = pHT->SelfMimoPs;
318 pCapELE->GreenField = 0;
319 pCapELE->ShortGI20Mhz = 1;
320 pCapELE->ShortGI40Mhz = 1;
324 pCapELE->DelayBA = 0;
325 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
326 pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0);
328 pCapELE->LSigTxopProtect = 0;
331 RTLLIB_DEBUG(RTLLIB_DL_HT,
332 "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n",
333 pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
336 pCapELE->MPDUDensity = 7;
337 pCapELE->MaxRxAMPDUFactor = 2;
339 pCapELE->MaxRxAMPDUFactor = 3;
340 pCapELE->MPDUDensity = 0;
343 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
344 memset(&pCapELE->ExtHTCapInfo, 0, 2);
345 memset(pCapELE->TxBFCap, 0, 4);
350 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
351 pCapELE->MCS[1] &= 0x7f;
353 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
354 pCapELE->MCS[1] &= 0xbf;
356 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
357 pCapELE->MCS[1] &= 0x00;
359 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
360 pCapELE->ShortGI40Mhz = 0;
362 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
363 pCapELE->ChlWidth = 0;
369 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo,
370 u8 *len, u8 IsEncrypt)
372 struct rt_hi_throughput *pHT = ieee->pHTInfo;
373 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo;
375 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) {
376 RTLLIB_DEBUG(RTLLIB_DL_ERR,
377 "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n");
381 memset(posHTInfo, 0, *len);
382 if ((ieee->iw_mode == IW_MODE_ADHOC) ||
383 (ieee->iw_mode == IW_MODE_MASTER)) {
384 pHTInfoEle->ControlChl = ieee->current_network.channel;
385 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ?
386 HT_EXTCHNL_OFFSET_NO_EXT :
387 (ieee->current_network.channel <= 6)
388 ? HT_EXTCHNL_OFFSET_UPPER :
389 HT_EXTCHNL_OFFSET_LOWER);
390 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz;
391 pHTInfoEle->RIFS = 0;
392 pHTInfoEle->PSMPAccessOnly = 0;
393 pHTInfoEle->SrvIntGranularity = 0;
394 pHTInfoEle->OptMode = pHT->CurrentOpMode;
395 pHTInfoEle->NonGFDevPresent = 0;
396 pHTInfoEle->DualBeacon = 0;
397 pHTInfoEle->SecondaryBeacon = 0;
398 pHTInfoEle->LSigTxopProtectFull = 0;
399 pHTInfoEle->PcoActive = 0;
400 pHTInfoEle->PcoPhase = 0;
402 memset(pHTInfoEle->BasicMSC, 0, 16);
412 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg,
415 if (posRT2RTAgg == NULL) {
416 RTLLIB_DEBUG(RTLLIB_DL_ERR,
417 "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n");
420 memset(posRT2RTAgg, 0, *len);
421 *posRT2RTAgg++ = 0x00;
422 *posRT2RTAgg++ = 0xe0;
423 *posRT2RTAgg++ = 0x4c;
424 *posRT2RTAgg++ = 0x02;
425 *posRT2RTAgg++ = 0x01;
429 if (ieee->bSupportRemoteWakeUp)
430 *posRT2RTAgg |= RT_HT_CAP_USE_WOW;
435 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
439 if (pOperateMCS == NULL) {
440 RTLLIB_DEBUG(RTLLIB_DL_ERR,
441 "pOperateMCS can't be null in HT_PickMCSRate()\n");
445 switch (ieee->mode) {
449 for (i = 0; i <= 15; i++)
454 pOperateMCS[0] &= RATE_ADPT_1SS_MASK;
455 pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
456 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
466 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
472 u8 availableMcsRate[16];
474 if (pMCSRateSet == NULL || pMCSFilter == NULL) {
475 RTLLIB_DEBUG(RTLLIB_DL_ERR,
476 "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n");
479 for (i = 0; i < 16; i++)
480 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
482 for (i = 0; i < 16; i++) {
483 if (availableMcsRate[i] != 0)
489 for (i = 0; i < 16; i++) {
490 if (availableMcsRate[i] != 0) {
491 bitMap = availableMcsRate[i];
492 for (j = 0; j < 8; j++) {
493 if ((bitMap%2) != 0) {
494 if (HTMcsToDataRate(ieee, (8*i+j)) >
495 HTMcsToDataRate(ieee, mcsRate))
502 return mcsRate | 0x80;
505 u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, u8 *pOperateMCS)
510 for (i = 0; i <= 15; i++)
511 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] &
514 HT_PickMCSRate(ieee, pOperateMCS);
516 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
519 for (i = 2; i <= 15; i++)
525 void HTSetConnectBwMode(struct rtllib_device *ieee,
526 enum ht_channel_width Bandwidth,
527 enum ht_extchnl_offset Offset);
529 void HTOnAssocRsp(struct rtllib_device *ieee)
531 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
532 struct ht_capab_ele *pPeerHTCap = NULL;
533 struct ht_info_ele *pPeerHTInfo = NULL;
534 u16 nMaxAMSDUSize = 0;
535 u8 *pMcsFilter = NULL;
537 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
538 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
540 if (pHTInfo->bCurrentHTSupport == false) {
541 RTLLIB_DEBUG(RTLLIB_DL_ERR,
542 "<=== HTOnAssocRsp(): HT_DISABLE\n");
545 RTLLIB_DEBUG(RTLLIB_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
547 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
548 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]);
550 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf);
552 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
553 pPeerHTInfo = (struct ht_info_ele *)
554 (&pHTInfo->PeerHTInfoBuf[4]);
556 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf);
558 RTLLIB_DEBUG_DATA(RTLLIB_DL_DATA | RTLLIB_DL_HT, pPeerHTCap,
559 sizeof(struct ht_capab_ele));
560 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth),
561 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset));
562 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ?
565 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ?
566 ((pPeerHTCap->ShortGI20Mhz == 1) ?
567 true : false) : false);
568 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ?
569 ((pPeerHTCap->ShortGI40Mhz == 1) ?
570 true : false) : false);
572 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ?
573 ((pPeerHTCap->DssCCk == 1) ? true :
577 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
579 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935;
581 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize)
582 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
584 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
586 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
587 if (ieee->rtllib_ap_sec_type &&
588 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
589 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) ||
590 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN))
591 pHTInfo->bCurrentAMPDUEnable = false;
594 if (!pHTInfo->bRegRT2RTAggregation) {
595 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
596 pHTInfo->CurrentAMPDUFactor =
597 pPeerHTCap->MaxRxAMPDUFactor;
599 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
602 if (ieee->current_network.bssht.bdRT2RTAggregation) {
603 if (ieee->pairwise_key_type != KEY_TYPE_NA)
604 pHTInfo->CurrentAMPDUFactor =
605 pPeerHTCap->MaxRxAMPDUFactor;
607 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
609 if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
610 pHTInfo->CurrentAMPDUFactor =
611 pPeerHTCap->MaxRxAMPDUFactor;
613 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
616 if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
617 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
619 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
620 if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) {
621 pHTInfo->bCurrentAMPDUEnable = false;
622 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
623 pHTInfo->ForcedAMSDUMaxSize = 7935;
625 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
627 if (pPeerHTCap->MCS[0] == 0)
628 pPeerHTCap->MCS[0] = 0xff;
630 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0));
632 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
634 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
635 if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
636 pMcsFilter = MCS_FILTER_1SS;
638 pMcsFilter = MCS_FILTER_ALL;
639 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
640 ieee->dot11HTOperationalRateSet, pMcsFilter);
641 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
643 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
646 void HTInitializeHTInfo(struct rtllib_device *ieee)
648 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
650 RTLLIB_DEBUG(RTLLIB_DL_HT, "===========>%s()\n", __func__);
651 pHTInfo->bCurrentHTSupport = false;
653 pHTInfo->bCurBW40MHz = false;
654 pHTInfo->bCurTxBW40MHz = false;
656 pHTInfo->bCurShortGI20MHz = false;
657 pHTInfo->bCurShortGI40MHz = false;
658 pHTInfo->bForcedShortGI = false;
660 pHTInfo->bCurSuppCCK = true;
662 pHTInfo->bCurrent_AMSDU_Support = false;
663 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
664 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
665 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
667 memset((void *)(&(pHTInfo->SelfHTCap)), 0,
668 sizeof(pHTInfo->SelfHTCap));
669 memset((void *)(&(pHTInfo->SelfHTInfo)), 0,
670 sizeof(pHTInfo->SelfHTInfo));
671 memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0,
672 sizeof(pHTInfo->PeerHTCapBuf));
673 memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0,
674 sizeof(pHTInfo->PeerHTInfoBuf));
676 pHTInfo->bSwBwInProgress = false;
677 pHTInfo->ChnlOp = CHNLOP_NONE;
679 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
681 pHTInfo->bCurrentRT2RTAggregation = false;
682 pHTInfo->bCurrentRT2RTLongSlotTime = false;
683 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
685 pHTInfo->IOTPeer = 0;
686 pHTInfo->IOTAction = 0;
687 pHTInfo->IOTRaFunc = 0;
690 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
692 RegHTSuppRateSets[0] = 0xFF;
693 RegHTSuppRateSets[1] = 0xFF;
694 RegHTSuppRateSets[4] = 0x01;
698 void HTInitializeBssDesc(struct bss_ht *pBssHT)
701 pBssHT->bdSupportHT = false;
702 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
703 pBssHT->bdHTCapLen = 0;
704 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
705 pBssHT->bdHTInfoLen = 0;
707 pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE;
709 pBssHT->bdRT2RTAggregation = false;
710 pBssHT->bdRT2RTLongSlotTime = false;
711 pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0;
714 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
715 struct rtllib_network *pNetwork)
717 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
720 RTLLIB_DEBUG(RTLLIB_DL_HT, "==============>%s()\n", __func__);
721 /* unmark bEnableHT flag here is the same reason why unmarked in
722 * function rtllib_softmac_new_net. WB 2008.09.10
724 if (pNetwork->bssht.bdSupportHT) {
725 pHTInfo->bCurrentHTSupport = true;
726 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
728 if (pNetwork->bssht.bdHTCapLen > 0 &&
729 pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
730 memcpy(pHTInfo->PeerHTCapBuf,
731 pNetwork->bssht.bdHTCapBuf,
732 pNetwork->bssht.bdHTCapLen);
734 if (pNetwork->bssht.bdHTInfoLen > 0 &&
735 pNetwork->bssht.bdHTInfoLen <=
736 sizeof(pHTInfo->PeerHTInfoBuf))
737 memcpy(pHTInfo->PeerHTInfoBuf,
738 pNetwork->bssht.bdHTInfoBuf,
739 pNetwork->bssht.bdHTInfoLen);
741 if (pHTInfo->bRegRT2RTAggregation) {
742 pHTInfo->bCurrentRT2RTAggregation =
743 pNetwork->bssht.bdRT2RTAggregation;
744 pHTInfo->bCurrentRT2RTLongSlotTime =
745 pNetwork->bssht.bdRT2RTLongSlotTime;
746 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
748 pHTInfo->bCurrentRT2RTAggregation = false;
749 pHTInfo->bCurrentRT2RTLongSlotTime = false;
750 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
753 HTIOTPeerDetermine(ieee);
755 pHTInfo->IOTAction = 0;
756 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
758 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
760 bIOTAction = HTIOTActIsDisableMCS15(ieee);
762 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
764 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
766 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
769 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
771 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
773 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork);
775 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
776 bIOTAction = HTIOTActIsCCDFsync(ieee);
778 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
780 pHTInfo->bCurrentHTSupport = false;
781 pHTInfo->bCurrentRT2RTAggregation = false;
782 pHTInfo->bCurrentRT2RTLongSlotTime = false;
783 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
785 pHTInfo->IOTAction = 0;
786 pHTInfo->IOTRaFunc = 0;
790 void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
791 struct rtllib_network *pNetwork)
793 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
794 struct ht_info_ele *pPeerHTInfo =
795 (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf;
797 if (pHTInfo->bCurrentHTSupport) {
798 if (pNetwork->bssht.bdHTInfoLen != 0)
799 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
802 EXPORT_SYMBOL(HT_update_self_and_peer_setting);
804 void HTUseDefaultSetting(struct rtllib_device *ieee)
806 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
808 if (pHTInfo->bEnableHT) {
809 pHTInfo->bCurrentHTSupport = true;
810 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
812 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
813 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz;
815 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz;
817 if (ieee->iw_mode == IW_MODE_ADHOC)
818 ieee->current_network.qos_data.active =
819 ieee->current_network.qos_data.supported;
820 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
821 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
823 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
824 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
826 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
828 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet,
829 ieee->dot11HTOperationalRateSet);
830 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
831 ieee->dot11HTOperationalRateSet,
833 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
836 pHTInfo->bCurrentHTSupport = false;
840 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame)
842 if (ieee->pHTInfo->bCurrentHTSupport) {
843 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) {
844 RTLLIB_DEBUG(RTLLIB_DL_HT,
845 "HT CONTROL FILED EXIST!!\n");
852 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
854 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
856 RTLLIB_DEBUG(RTLLIB_DL_HT, "======>%s()\n", __func__);
857 if (pHTInfo->bCurBW40MHz) {
858 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER)
859 ieee->set_chan(ieee->dev,
860 ieee->current_network.channel + 2);
861 else if (pHTInfo->CurSTAExtChnlOffset ==
862 HT_EXTCHNL_OFFSET_LOWER)
863 ieee->set_chan(ieee->dev,
864 ieee->current_network.channel - 2);
866 ieee->set_chan(ieee->dev,
867 ieee->current_network.channel);
869 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40,
870 pHTInfo->CurSTAExtChnlOffset);
872 ieee->set_chan(ieee->dev, ieee->current_network.channel);
873 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20,
874 HT_EXTCHNL_OFFSET_NO_EXT);
877 pHTInfo->bSwBwInProgress = false;
880 void HTSetConnectBwMode(struct rtllib_device *ieee,
881 enum ht_channel_width Bandwidth,
882 enum ht_extchnl_offset Offset)
884 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
886 if (pHTInfo->bRegBW40MHz == false)
889 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
890 Bandwidth = HT_CHANNEL_WIDTH_20;
892 if (pHTInfo->bSwBwInProgress) {
893 pr_info("%s: bSwBwInProgress!!\n", __func__);
896 if (Bandwidth == HT_CHANNEL_WIDTH_20_40) {
897 if (ieee->current_network.channel < 2 &&
898 Offset == HT_EXTCHNL_OFFSET_LOWER)
899 Offset = HT_EXTCHNL_OFFSET_NO_EXT;
900 if (Offset == HT_EXTCHNL_OFFSET_UPPER ||
901 Offset == HT_EXTCHNL_OFFSET_LOWER) {
902 pHTInfo->bCurBW40MHz = true;
903 pHTInfo->CurSTAExtChnlOffset = Offset;
905 pHTInfo->bCurBW40MHz = false;
906 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
909 pHTInfo->bCurBW40MHz = false;
910 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
913 pr_info("%s():pHTInfo->bCurBW40MHz:%x\n", __func__,
914 pHTInfo->bCurBW40MHz);
916 pHTInfo->bSwBwInProgress = true;
918 HTSetConnectBwModeCallback(ieee);