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15#include "rtllib.h"
16#include "rtl819x_HT.h"
17u8 MCS_FILTER_ALL[16] = {
18 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
19 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
20};
21
22u8 MCS_FILTER_1SS[16] = {
23 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
24 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
25;
26
27u16 MCS_DATA_RATE[2][2][77] = {
28 {{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234,
29 260, 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416,
30 468, 520, 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182,
31 182, 208, 156, 195, 195, 234, 273, 273, 312, 130, 156, 181, 156,
32 181, 208, 234, 208, 234, 260, 260, 286, 195, 234, 273, 234, 273,
33 312, 351, 312, 351, 390, 390, 429},
34 {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
35 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520,
36 578, 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231,
37 173, 217, 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260,
38 231, 260, 289, 289, 318, 217, 260, 303, 260, 303, 347, 390, 347, 390,
39 433, 433, 477} },
40 {{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486,
41 540, 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648,
42 864, 972, 1080, 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324,
43 378, 378, 432, 324, 405, 405, 486, 567, 567, 648, 270, 324, 378, 324,
44 378, 432, 486, 432, 486, 540, 540, 594, 405, 486, 567, 486, 567, 648,
45 729, 648, 729, 810, 810, 891},
46 {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540,
47 600, 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720,
48 960, 1080, 1200, 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360,
49 420, 420, 480, 360, 450, 450, 540, 630, 630, 720, 300, 360, 420, 360,
50 420, 480, 540, 480, 540, 600, 600, 660, 450, 540, 630, 540, 630, 720,
51 810, 720, 810, 900, 900, 990} }
52};
53
54static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
55
56static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
57
58static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
59
60static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};
61
62static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
63
64static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
65
66static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
67
68static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
69
70static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
71
72static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
73
74static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
75
76static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
77
78void HTUpdateDefaultSetting(struct rtllib_device *ieee)
79{
80 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
81
82 pHTInfo->bAcceptAddbaReq = 1;
83
84 pHTInfo->bRegShortGI20MHz = 1;
85 pHTInfo->bRegShortGI40MHz = 1;
86
87 pHTInfo->bRegBW40MHz = 1;
88
89 if (pHTInfo->bRegBW40MHz)
90 pHTInfo->bRegSuppCCK = 1;
91 else
92 pHTInfo->bRegSuppCCK = true;
93
94 pHTInfo->nAMSDU_MaxSize = 7935UL;
95 pHTInfo->bAMSDU_Support = 0;
96
97 pHTInfo->bAMPDUEnable = 1;
98 pHTInfo->AMPDU_Factor = 2;
99 pHTInfo->MPDU_Density = 0;
100
101 pHTInfo->SelfMimoPs = 3;
102 if (pHTInfo->SelfMimoPs == 2)
103 pHTInfo->SelfMimoPs = 3;
104 ieee->bTxDisableRateFallBack = 0;
105 ieee->bTxUseDriverAssingedRate = 0;
106
107 ieee->bTxEnableFwCalcDur = 1;
108
109 pHTInfo->bRegRT2RTAggregation = 1;
110
111 pHTInfo->bRegRxReorderEnable = 1;
112 pHTInfo->RxReorderWinSize = 64;
113 pHTInfo->RxReorderPendingTime = 30;
114}
115
116static u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
117{
118 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
119
120 u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0;
121 u8 isShortGI = (pHTInfo->bCurBW40MHz) ?
122 ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) :
123 ((pHTInfo->bCurShortGI20MHz) ? 1 : 0);
124 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
125}
126
127u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate)
128{
129 u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
130 0x24, 0x30, 0x48, 0x60, 0x6c};
131 u8 is40MHz = 0;
132 u8 isShortGI = 0;
133
134 if (nDataRate < 12)
135 return CCKOFDMRate[nDataRate];
136 if (nDataRate >= 0x10 && nDataRate <= 0x1f) {
137 is40MHz = 0;
138 isShortGI = 0;
139 } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) {
140 is40MHz = 1;
141 isShortGI = 0;
142 } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) {
143 is40MHz = 0;
144 isShortGI = 1;
145 } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) {
146 is40MHz = 1;
147 isShortGI = 1;
148 }
149 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
150}
151
152bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)
153{
154 bool retValue = false;
155 struct rtllib_network *net = &ieee->current_network;
156
157 if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
158 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
159 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
160 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
161 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
162 (net->ralink_cap_exist))
163 retValue = true;
164 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
165 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
166 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ||
167 (net->broadcom_cap_exist))
168 retValue = true;
169 else if (net->bssht.bdRT2RTAggregation)
170 retValue = true;
171 else
172 retValue = false;
173
174 return retValue;
175}
176
177static void HTIOTPeerDetermine(struct rtllib_device *ieee)
178{
179 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
180 struct rtllib_network *net = &ieee->current_network;
181
182 if (net->bssht.bdRT2RTAggregation) {
183 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
184 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE)
185 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
186 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP)
187 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
188 } else if (net->broadcom_cap_exist)
189 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
190 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
191 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
192 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3))
193 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
194 else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
195 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
196 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
197 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
198 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
199 net->ralink_cap_exist)
200 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
201 else if ((net->atheros_cap_exist) ||
202 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
203 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
204 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
205 else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
206 net->cisco_cap_exist)
207 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
208 else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
209 net->marvell_cap_exist)
210 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
211 else if (net->airgo_cap_exist)
212 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO;
213 else
214 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
215
216 netdev_dbg(ieee->dev, "IOTPEER: %x\n", pHTInfo->IOTPeer);
217}
218
219static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
220{
221 return 0;
222}
223
224
225static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
226{
227 return false;
228}
229
230static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
231{
232 return false;
233}
234
235static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee,
236 u8 *PeerMacAddr)
237{
238 return false;
239}
240
241static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
242 struct rtllib_network *network)
243{
244 u8 retValue = 0;
245
246
247 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
248 retValue = 1;
249
250 return retValue;
251}
252
253static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
254{
255 u8 retValue = 0;
256
257 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
258 retValue = 1;
259 return retValue;
260}
261
262static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
263{
264 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
265
266 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
267
268 if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
269 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
270
271 if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
272 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
273
274}
275
276void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo)
277{
278 pHTInfo->IOTAction = 0;
279 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
280 pHTInfo->IOTRaFunc = 0;
281}
282
283void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap,
284 u8 *len, u8 IsEncrypt, bool bAssoc)
285{
286 struct rt_hi_throughput *pHT = ieee->pHTInfo;
287 struct ht_capab_ele *pCapELE = NULL;
288
289 if ((posHTCap == NULL) || (pHT == NULL)) {
290 netdev_warn(ieee->dev,
291 "%s(): posHTCap and pHTInfo are null\n", __func__);
292 return;
293 }
294 memset(posHTCap, 0, *len);
295
296 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) {
297 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
298
299 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
300 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]);
301 *len = 30 + 2;
302 } else {
303 pCapELE = (struct ht_capab_ele *)posHTCap;
304 *len = 26 + 2;
305 }
306
307 pCapELE->AdvCoding = 0;
308 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
309 pCapELE->ChlWidth = 0;
310 else
311 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0);
312
313 pCapELE->MimoPwrSave = pHT->SelfMimoPs;
314 pCapELE->GreenField = 0;
315 pCapELE->ShortGI20Mhz = 1;
316 pCapELE->ShortGI40Mhz = 1;
317
318 pCapELE->TxSTBC = 1;
319 pCapELE->RxSTBC = 0;
320 pCapELE->DelayBA = 0;
321 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
322 pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0);
323 pCapELE->PSMP = 0;
324 pCapELE->LSigTxopProtect = 0;
325
326
327 netdev_dbg(ieee->dev,
328 "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n",
329 pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
330
331 if (IsEncrypt) {
332 pCapELE->MPDUDensity = 7;
333 pCapELE->MaxRxAMPDUFactor = 2;
334 } else {
335 pCapELE->MaxRxAMPDUFactor = 3;
336 pCapELE->MPDUDensity = 0;
337 }
338
339 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
340 memset(&pCapELE->ExtHTCapInfo, 0, 2);
341 memset(pCapELE->TxBFCap, 0, 4);
342
343 pCapELE->ASCap = 0;
344
345 if (bAssoc) {
346 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
347 pCapELE->MCS[1] &= 0x7f;
348
349 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
350 pCapELE->MCS[1] &= 0xbf;
351
352 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
353 pCapELE->MCS[1] &= 0x00;
354
355 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
356 pCapELE->ShortGI40Mhz = 0;
357
358 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
359 pCapELE->ChlWidth = 0;
360 pCapELE->MCS[1] = 0;
361 }
362 }
363}
364
365void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo,
366 u8 *len, u8 IsEncrypt)
367{
368 struct rt_hi_throughput *pHT = ieee->pHTInfo;
369 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo;
370
371 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) {
372 netdev_warn(ieee->dev,
373 "%s(): posHTInfo and pHTInfoEle are null\n",
374 __func__);
375 return;
376 }
377
378 memset(posHTInfo, 0, *len);
379 if ((ieee->iw_mode == IW_MODE_ADHOC) ||
380 (ieee->iw_mode == IW_MODE_MASTER)) {
381 pHTInfoEle->ControlChl = ieee->current_network.channel;
382 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ?
383 HT_EXTCHNL_OFFSET_NO_EXT :
384 (ieee->current_network.channel <= 6)
385 ? HT_EXTCHNL_OFFSET_UPPER :
386 HT_EXTCHNL_OFFSET_LOWER);
387 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz;
388 pHTInfoEle->RIFS = 0;
389 pHTInfoEle->PSMPAccessOnly = 0;
390 pHTInfoEle->SrvIntGranularity = 0;
391 pHTInfoEle->OptMode = pHT->CurrentOpMode;
392 pHTInfoEle->NonGFDevPresent = 0;
393 pHTInfoEle->DualBeacon = 0;
394 pHTInfoEle->SecondaryBeacon = 0;
395 pHTInfoEle->LSigTxopProtectFull = 0;
396 pHTInfoEle->PcoActive = 0;
397 pHTInfoEle->PcoPhase = 0;
398
399 memset(pHTInfoEle->BasicMSC, 0, 16);
400
401
402 *len = 22 + 2;
403
404 } else {
405 *len = 0;
406 }
407}
408
409void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg,
410 u8 *len)
411{
412 if (posRT2RTAgg == NULL) {
413 netdev_warn(ieee->dev, "%s(): posRT2RTAgg is null\n", __func__);
414 return;
415 }
416 memset(posRT2RTAgg, 0, *len);
417 *posRT2RTAgg++ = 0x00;
418 *posRT2RTAgg++ = 0xe0;
419 *posRT2RTAgg++ = 0x4c;
420 *posRT2RTAgg++ = 0x02;
421 *posRT2RTAgg++ = 0x01;
422
423 *posRT2RTAgg = 0x30;
424
425 if (ieee->bSupportRemoteWakeUp)
426 *posRT2RTAgg |= RT_HT_CAP_USE_WOW;
427
428 *len = 6 + 2;
429}
430
431static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
432{
433 u8 i;
434
435 if (pOperateMCS == NULL) {
436 netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__);
437 return false;
438 }
439
440 switch (ieee->mode) {
441 case IEEE_A:
442 case IEEE_B:
443 case IEEE_G:
444 for (i = 0; i <= 15; i++)
445 pOperateMCS[i] = 0;
446 break;
447 case IEEE_N_24G:
448 case IEEE_N_5G:
449 pOperateMCS[0] &= RATE_ADPT_1SS_MASK;
450 pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
451 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
452 break;
453 default:
454 break;
455
456 }
457
458 return true;
459}
460
461u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
462 u8 *pMCSFilter)
463{
464 u8 i, j;
465 u8 bitMap;
466 u8 mcsRate = 0;
467 u8 availableMcsRate[16];
468
469 if (pMCSRateSet == NULL || pMCSFilter == NULL) {
470 netdev_warn(ieee->dev,
471 "%s(): pMCSRateSet and pMCSFilter are null\n",
472 __func__);
473 return false;
474 }
475 for (i = 0; i < 16; i++)
476 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
477
478 for (i = 0; i < 16; i++) {
479 if (availableMcsRate[i] != 0)
480 break;
481 }
482 if (i == 16)
483 return false;
484
485 for (i = 0; i < 16; i++) {
486 if (availableMcsRate[i] != 0) {
487 bitMap = availableMcsRate[i];
488 for (j = 0; j < 8; j++) {
489 if ((bitMap%2) != 0) {
490 if (HTMcsToDataRate(ieee, (8*i+j)) >
491 HTMcsToDataRate(ieee, mcsRate))
492 mcsRate = 8 * i + j;
493 }
494 bitMap >>= 1;
495 }
496 }
497 }
498 return mcsRate | 0x80;
499}
500
501static u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS,
502 u8 *pOperateMCS)
503{
504
505 u8 i;
506
507 for (i = 0; i <= 15; i++)
508 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] &
509 pSupportMCS[i];
510
511 HT_PickMCSRate(ieee, pOperateMCS);
512
513 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
514 pOperateMCS[1] = 0;
515
516 for (i = 2; i <= 15; i++)
517 pOperateMCS[i] = 0;
518
519 return true;
520}
521
522void HTSetConnectBwMode(struct rtllib_device *ieee,
523 enum ht_channel_width Bandwidth,
524 enum ht_extchnl_offset Offset);
525
526void HTOnAssocRsp(struct rtllib_device *ieee)
527{
528 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
529 struct ht_capab_ele *pPeerHTCap = NULL;
530 struct ht_info_ele *pPeerHTInfo = NULL;
531 u16 nMaxAMSDUSize = 0;
532 u8 *pMcsFilter = NULL;
533
534 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
535 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
536
537 if (pHTInfo->bCurrentHTSupport == false) {
538 netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__);
539 return;
540 }
541 netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__);
542
543 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
544 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]);
545 else
546 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf);
547
548 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
549 pPeerHTInfo = (struct ht_info_ele *)
550 (&pHTInfo->PeerHTInfoBuf[4]);
551 else
552 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf);
553
554
555#ifdef VERBOSE_DEBUG
556 print_hex_dump_bytes("HTOnAssocRsp(): ", DUMP_PREFIX_NONE,
557 pPeerHTCap, sizeof(struct ht_capab_ele));
558#endif
559 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth),
560 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset));
561 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ?
562 true : false);
563
564 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ?
565 ((pPeerHTCap->ShortGI20Mhz == 1) ?
566 true : false) : false);
567 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ?
568 ((pPeerHTCap->ShortGI40Mhz == 1) ?
569 true : false) : false);
570
571 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ?
572 ((pPeerHTCap->DssCCk == 1) ? true :
573 false) : false);
574
575
576 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
577
578 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935;
579
580 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize)
581 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
582 else
583 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
584
585 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
586 if (ieee->rtllib_ap_sec_type &&
587 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
588 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) ||
589 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN))
590 pHTInfo->bCurrentAMPDUEnable = false;
591 }
592
593 if (!pHTInfo->bRegRT2RTAggregation) {
594 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
595 pHTInfo->CurrentAMPDUFactor =
596 pPeerHTCap->MaxRxAMPDUFactor;
597 else
598 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
599
600 } else {
601 if (ieee->current_network.bssht.bdRT2RTAggregation) {
602 if (ieee->pairwise_key_type != KEY_TYPE_NA)
603 pHTInfo->CurrentAMPDUFactor =
604 pPeerHTCap->MaxRxAMPDUFactor;
605 else
606 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
607 } else {
608 if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
609 pHTInfo->CurrentAMPDUFactor =
610 pPeerHTCap->MaxRxAMPDUFactor;
611 else
612 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
613 }
614 }
615 if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
616 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
617 else
618 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
619 if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) {
620 pHTInfo->bCurrentAMPDUEnable = false;
621 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
622 pHTInfo->ForcedAMSDUMaxSize = 7935;
623 }
624 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
625
626 if (pPeerHTCap->MCS[0] == 0)
627 pPeerHTCap->MCS[0] = 0xff;
628
629 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0));
630
631 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
632
633 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
634 if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
635 pMcsFilter = MCS_FILTER_1SS;
636 else
637 pMcsFilter = MCS_FILTER_ALL;
638 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
639 ieee->dot11HTOperationalRateSet, pMcsFilter);
640 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
641
642 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
643}
644
645void HTInitializeHTInfo(struct rtllib_device *ieee)
646{
647 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
648
649 netdev_vdbg(ieee->dev, "%s()\n", __func__);
650 pHTInfo->bCurrentHTSupport = false;
651
652 pHTInfo->bCurBW40MHz = false;
653 pHTInfo->bCurTxBW40MHz = false;
654
655 pHTInfo->bCurShortGI20MHz = false;
656 pHTInfo->bCurShortGI40MHz = false;
657 pHTInfo->bForcedShortGI = false;
658
659 pHTInfo->bCurSuppCCK = true;
660
661 pHTInfo->bCurrent_AMSDU_Support = false;
662 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
663 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
664 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
665
666 memset((void *)(&(pHTInfo->SelfHTCap)), 0,
667 sizeof(pHTInfo->SelfHTCap));
668 memset((void *)(&(pHTInfo->SelfHTInfo)), 0,
669 sizeof(pHTInfo->SelfHTInfo));
670 memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0,
671 sizeof(pHTInfo->PeerHTCapBuf));
672 memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0,
673 sizeof(pHTInfo->PeerHTInfoBuf));
674
675 pHTInfo->bSwBwInProgress = false;
676
677 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
678
679 pHTInfo->bCurrentRT2RTAggregation = false;
680 pHTInfo->bCurrentRT2RTLongSlotTime = false;
681 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
682
683 pHTInfo->IOTPeer = 0;
684 pHTInfo->IOTAction = 0;
685 pHTInfo->IOTRaFunc = 0;
686
687 {
688 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
689
690 RegHTSuppRateSets[0] = 0xFF;
691 RegHTSuppRateSets[1] = 0xFF;
692 RegHTSuppRateSets[4] = 0x01;
693 }
694}
695
696void HTInitializeBssDesc(struct bss_ht *pBssHT)
697{
698
699 pBssHT->bdSupportHT = false;
700 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
701 pBssHT->bdHTCapLen = 0;
702 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
703 pBssHT->bdHTInfoLen = 0;
704
705 pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE;
706
707 pBssHT->bdRT2RTAggregation = false;
708 pBssHT->bdRT2RTLongSlotTime = false;
709 pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0;
710}
711
712void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
713 struct rtllib_network *pNetwork)
714{
715 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
716 u8 bIOTAction = 0;
717
718 netdev_vdbg(ieee->dev, "%s()\n", __func__);
719
720
721
722 if (pNetwork->bssht.bdSupportHT) {
723 pHTInfo->bCurrentHTSupport = true;
724 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
725
726 if (pNetwork->bssht.bdHTCapLen > 0 &&
727 pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
728 memcpy(pHTInfo->PeerHTCapBuf,
729 pNetwork->bssht.bdHTCapBuf,
730 pNetwork->bssht.bdHTCapLen);
731
732 if (pNetwork->bssht.bdHTInfoLen > 0 &&
733 pNetwork->bssht.bdHTInfoLen <=
734 sizeof(pHTInfo->PeerHTInfoBuf))
735 memcpy(pHTInfo->PeerHTInfoBuf,
736 pNetwork->bssht.bdHTInfoBuf,
737 pNetwork->bssht.bdHTInfoLen);
738
739 if (pHTInfo->bRegRT2RTAggregation) {
740 pHTInfo->bCurrentRT2RTAggregation =
741 pNetwork->bssht.bdRT2RTAggregation;
742 pHTInfo->bCurrentRT2RTLongSlotTime =
743 pNetwork->bssht.bdRT2RTLongSlotTime;
744 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
745 } else {
746 pHTInfo->bCurrentRT2RTAggregation = false;
747 pHTInfo->bCurrentRT2RTLongSlotTime = false;
748 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
749 }
750
751 HTIOTPeerDetermine(ieee);
752
753 pHTInfo->IOTAction = 0;
754 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
755 if (bIOTAction)
756 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
757
758 bIOTAction = HTIOTActIsDisableMCS15(ieee);
759 if (bIOTAction)
760 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
761
762 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
763 if (bIOTAction)
764 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
765
766
767 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
768 if (bIOTAction)
769 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
770
771 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork);
772 if (bIOTAction)
773 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
774 bIOTAction = HTIOTActIsCCDFsync(ieee);
775 if (bIOTAction)
776 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
777 } else {
778 pHTInfo->bCurrentHTSupport = false;
779 pHTInfo->bCurrentRT2RTAggregation = false;
780 pHTInfo->bCurrentRT2RTLongSlotTime = false;
781 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
782
783 pHTInfo->IOTAction = 0;
784 pHTInfo->IOTRaFunc = 0;
785 }
786}
787
788void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
789 struct rtllib_network *pNetwork)
790{
791 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
792 struct ht_info_ele *pPeerHTInfo =
793 (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf;
794
795 if (pHTInfo->bCurrentHTSupport) {
796 if (pNetwork->bssht.bdHTInfoLen != 0)
797 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
798 }
799}
800EXPORT_SYMBOL(HT_update_self_and_peer_setting);
801
802void HTUseDefaultSetting(struct rtllib_device *ieee)
803{
804 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
805
806 if (pHTInfo->bEnableHT) {
807 pHTInfo->bCurrentHTSupport = true;
808 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
809
810 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
811 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz;
812
813 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz;
814
815 if (ieee->iw_mode == IW_MODE_ADHOC)
816 ieee->current_network.qos_data.active =
817 ieee->current_network.qos_data.supported;
818 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
819 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
820
821 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
822 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
823
824 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
825
826 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet,
827 ieee->dot11HTOperationalRateSet);
828 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
829 ieee->dot11HTOperationalRateSet,
830 MCS_FILTER_ALL);
831 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
832
833 } else {
834 pHTInfo->bCurrentHTSupport = false;
835 }
836}
837
838u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame)
839{
840 if (ieee->pHTInfo->bCurrentHTSupport) {
841 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) {
842 netdev_dbg(ieee->dev, "HT CONTROL FILED EXIST!!\n");
843 return true;
844 }
845 }
846 return false;
847}
848
849static void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
850{
851 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
852
853 netdev_vdbg(ieee->dev, "%s()\n", __func__);
854
855 if (pHTInfo->bCurBW40MHz) {
856 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER)
857 ieee->set_chan(ieee->dev,
858 ieee->current_network.channel + 2);
859 else if (pHTInfo->CurSTAExtChnlOffset ==
860 HT_EXTCHNL_OFFSET_LOWER)
861 ieee->set_chan(ieee->dev,
862 ieee->current_network.channel - 2);
863 else
864 ieee->set_chan(ieee->dev,
865 ieee->current_network.channel);
866
867 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40,
868 pHTInfo->CurSTAExtChnlOffset);
869 } else {
870 ieee->set_chan(ieee->dev, ieee->current_network.channel);
871 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20,
872 HT_EXTCHNL_OFFSET_NO_EXT);
873 }
874
875 pHTInfo->bSwBwInProgress = false;
876}
877
878void HTSetConnectBwMode(struct rtllib_device *ieee,
879 enum ht_channel_width Bandwidth,
880 enum ht_extchnl_offset Offset)
881{
882 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
883
884 if (pHTInfo->bRegBW40MHz == false)
885 return;
886
887 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
888 Bandwidth = HT_CHANNEL_WIDTH_20;
889
890 if (pHTInfo->bSwBwInProgress) {
891 pr_info("%s: bSwBwInProgress!!\n", __func__);
892 return;
893 }
894 if (Bandwidth == HT_CHANNEL_WIDTH_20_40) {
895 if (ieee->current_network.channel < 2 &&
896 Offset == HT_EXTCHNL_OFFSET_LOWER)
897 Offset = HT_EXTCHNL_OFFSET_NO_EXT;
898 if (Offset == HT_EXTCHNL_OFFSET_UPPER ||
899 Offset == HT_EXTCHNL_OFFSET_LOWER) {
900 pHTInfo->bCurBW40MHz = true;
901 pHTInfo->CurSTAExtChnlOffset = Offset;
902 } else {
903 pHTInfo->bCurBW40MHz = false;
904 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
905 }
906 } else {
907 pHTInfo->bCurBW40MHz = false;
908 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
909 }
910
911 netdev_dbg(ieee->dev, "%s():pHTInfo->bCurBW40MHz:%x\n", __func__,
912 pHTInfo->bCurBW40MHz);
913
914 pHTInfo->bSwBwInProgress = true;
915
916 HTSetConnectBwModeCallback(ieee);
917}
918
