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Staging: rtl8192su: remove RTL8192SE ifdefs
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / staging / rtl8192su / ieee80211 / rtl819x_HTProc.c
blob20ee5fb458d1703b1bfcc476507e275faf473920
1
2 //As this function is mainly ported from Windows driver, so leave the name little changed. If any confusion caused, tell me. Created by WB. 2008.05.08
3 #include "ieee80211.h"
4 #include "rtl819x_HT.h"
5 u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
6
7 u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
8
9 u16 MCS_DATA_RATE[2][2][77] =
10 { { {13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78 ,104, 156, 208, 234, 260,
11 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520,
12 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195,
13 195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260,
14 286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429}, // Long GI, 20MHz
15 {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
16 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578,
17 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217,
18 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289,
19 318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477} }, // Short GI, 20MHz
20 { {27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540,
21 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080,
22 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405,
23 405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540,
24 594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891}, // Long GI, 40MHz
25 {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600,
26 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200,
27 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450,
28 450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600,
29 660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990} } // Short GI, 40MHz
30 };
31
32 static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
33 static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
34 static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
35 static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f};
36 static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; //cosa 03202008
37 static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
38 static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
39 static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
40 static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
41 static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
42 static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
43 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
44 static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
45 // 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Shoud we put the
46 // code in other place??
47 //static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96};
48 /********************************************************************************************************************
49 *function: This function update default settings in pHTInfo structure
50 * input: PRT_HIGH_THROUGHPUT pHTInfo
51 * output: none
52 * return: none
53 * notice: These value need be modified if any changes.
54 * *****************************************************************************************************************/
55 void HTUpdateDefaultSetting(struct ieee80211_device* ieee)
56 {
57 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
58 //const typeof( ((struct ieee80211_device *)0)->pHTInfo ) *__mptr = &pHTInfo;
59
60 //printk("pHTinfo:%p, &pHTinfo:%p, mptr:%p, offsetof:%x\n", pHTInfo, &pHTInfo, __mptr, offsetof(struct ieee80211_device, pHTInfo));
61 //printk("===>ieee:%p,\n", ieee);
62 // ShortGI support
63 pHTInfo->bRegShortGI20MHz= 1;
64 pHTInfo->bRegShortGI40MHz= 1;
65
66 // 40MHz channel support
67 pHTInfo->bRegBW40MHz = 1;
68
69 // CCK rate support in 40MHz channel
70 if(pHTInfo->bRegBW40MHz)
71 pHTInfo->bRegSuppCCK = 1;
72 else
73 pHTInfo->bRegSuppCCK = true;
74
75 // AMSDU related
76 pHTInfo->nAMSDU_MaxSize = 7935UL;
77 pHTInfo->bAMSDU_Support = 0;
78
79 // AMPDU related
80 pHTInfo->bAMPDUEnable = 1; //YJ,test,090311
81 pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k)
82 pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec
83
84 // MIMO Power Save
85 pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.)
86 if(pHTInfo->SelfMimoPs == 2)
87 pHTInfo->SelfMimoPs = 3;
88 // 8190 only. Assign rate operation mode to firmware
89 ieee->bTxDisableRateFallBack = 0;
90 ieee->bTxUseDriverAssingedRate = 0;
91
92 #ifdef TO_DO_LIST
93 // 8190 only. Assign duration operation mode to firmware
94 pMgntInfo->bTxEnableFwCalcDur = (BOOLEAN)pNdisCommon->bRegTxEnableFwCalcDur;
95 #endif
96 // 8190 only, Realtek proprietary aggregation mode
97 // Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others
98 pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others
99
100 // For Rx Reorder Control
101 pHTInfo->bRegRxReorderEnable = 1;//YJ,test,090311
102 pHTInfo->RxReorderWinSize = 64;
103 pHTInfo->RxReorderPendingTime = 30;
104
105
106
107 }
108 /********************************************************************************************************************
109 *function: This function print out each field on HT capability IE mainly from (Beacon/ProbeRsp/AssocReq)
110 * input: u8* CapIE //Capability IE to be printed out
111 * u8* TitleString //mainly print out caller function
112 * output: none
113 * return: none
114 * notice: Driver should not print out this message by default.
115 * *****************************************************************************************************************/
116 void HTDebugHTCapability(u8* CapIE, u8* TitleString )
117 {
118
119 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
120 PHT_CAPABILITY_ELE pCapELE;
121
122 if(!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap)))
123 {
124 //EWC IE
125 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__);
126 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[4]);
127 }else
128 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[0]);
129
130 IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString );
131
132 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth)?"20MHz": "20/40MHz");
133 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz)?"YES": "NO");
134 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz)?"YES": "NO");
135 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC)?"YES": "NO");
136 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize)?"3839": "7935");
137 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk)?"YES": "NO");
138 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor);
139 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMPDU Density = %d\n", pCapELE->MPDUDensity);
140 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\
141 pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]);
142 return;
143
144 }
145 /********************************************************************************************************************
146 *function: This function print out each field on HT Information IE mainly from (Beacon/ProbeRsp)
147 * input: u8* InfoIE //Capability IE to be printed out
148 * u8* TitleString //mainly print out caller function
149 * output: none
150 * return: none
151 * notice: Driver should not print out this message by default.
152 * *****************************************************************************************************************/
153 void HTDebugHTInfo(u8* InfoIE, u8* TitleString)
154 {
155
156 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily
157 PHT_INFORMATION_ELE pHTInfoEle;
158
159 if(!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
160 {
161 // Not EWC IE
162 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__);
163 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]);
164 }else
165 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]);
166
167
168 IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString);
169
170 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl);
171 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSenondary channel =");
172 switch(pHTInfoEle->ExtChlOffset)
173 {
174 case 0:
175 IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n");
176 break;
177 case 1:
178 IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n");
179 break;
180 case 2:
181 IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n");
182 break;
183 case 3:
184 IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n");
185 break;
186 }
187 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth)?"20Mhz": "40Mhz");
188
189 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = ");
190 switch(pHTInfoEle->OptMode)
191 {
192 case 0:
193 IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n");
194 break;
195 case 1:
196 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n");
197 break;
198 case 2:
199 IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n");
200 break;
201 case 3:
202 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n");
203 break;
204 }
205
206 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\
207 pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]);
208 return;
209 }
210
211 /*
212 * Return: true if station in half n mode and AP supports 40 bw
213 */
214 bool IsHTHalfNmode40Bandwidth(struct ieee80211_device* ieee)
215 {
216 bool retValue = false;
217 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
218
219 if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode
220 retValue = false;
221 else if(pHTInfo->bRegBW40MHz == false) // station supports 40 bw
222 retValue = false;
223 else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) // station in half n mode
224 retValue = false;
225 else if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ChlWidth) // ap support 40 bw
226 retValue = true;
227 else
228 retValue = false;
229
230 return retValue;
231 }
232
233 bool IsHTHalfNmodeSGI(struct ieee80211_device* ieee, bool is40MHz)
234 {
235 bool retValue = false;
236 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
237
238 if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode
239 retValue = false;
240 else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) // station in half n mode
241 retValue = false;
242 else if(is40MHz) // ap support 40 bw
243 {
244 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI40Mhz) // ap support 40 bw short GI
245 retValue = true;
246 else
247 retValue = false;
248 }
249 else
250 {
251 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI20Mhz) // ap support 40 bw short GI
252 retValue = true;
253 else
254 retValue = false;
255 }
256
257 return retValue;
258 }
259
260 u16 HTHalfMcsToDataRate(struct ieee80211_device* ieee, u8 nMcsRate)
261 {
262
263 u8 is40MHz;
264 u8 isShortGI;
265
266 is40MHz = (IsHTHalfNmode40Bandwidth(ieee))?1:0;
267 isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz))? 1:0;
268
269 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
270 }
271
272
273 u16 HTMcsToDataRate( struct ieee80211_device* ieee, u8 nMcsRate)
274 {
275 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
276
277 u8 is40MHz = (pHTInfo->bCurBW40MHz)?1:0;
278 u8 isShortGI = (pHTInfo->bCurBW40MHz)?
279 ((pHTInfo->bCurShortGI40MHz)?1:0):
280 ((pHTInfo->bCurShortGI20MHz)?1:0);
281 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
282 }
283
284 /********************************************************************************************************************
285 *function: This function returns current datarate.
286 * input: struct ieee80211_device* ieee
287 * u8 nDataRate
288 * output: none
289 * return: tx rate
290 * notice: quite unsure about how to use this function //wb
291 * *****************************************************************************************************************/
292 u16 TxCountToDataRate( struct ieee80211_device* ieee, u8 nDataRate)
293 {
294 //PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
295 u16 CCKOFDMRate[12] = {0x02 , 0x04 , 0x0b , 0x16 , 0x0c , 0x12 , 0x18 , 0x24 , 0x30 , 0x48 , 0x60 , 0x6c};
296 u8 is40MHz = 0;
297 u8 isShortGI = 0;
298
299 if(nDataRate < 12)
300 {
301 return CCKOFDMRate[nDataRate];
302 }
303 else
304 {
305 if (nDataRate >= 0x10 && nDataRate <= 0x1f)//if(nDataRate > 11 && nDataRate < 28 )
306 {
307 is40MHz = 0;
308 isShortGI = 0;
309
310 // nDataRate = nDataRate - 12;
311 }
312 else if(nDataRate >=0x20 && nDataRate <= 0x2f ) //(27, 44)
313 {
314 is40MHz = 1;
315 isShortGI = 0;
316
317 //nDataRate = nDataRate - 28;
318 }
319 else if(nDataRate >= 0x30 && nDataRate <= 0x3f ) //(43, 60)
320 {
321 is40MHz = 0;
322 isShortGI = 1;
323
324 //nDataRate = nDataRate - 44;
325 }
326 else if(nDataRate >= 0x40 && nDataRate <= 0x4f ) //(59, 76)
327 {
328 is40MHz = 1;
329 isShortGI = 1;
330
331 //nDataRate = nDataRate - 60;
332 }
333 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
334 }
335 }
336
337
338
339 bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee)
340 {
341 bool retValue = false;
342 struct ieee80211_network* net = &ieee->current_network;
343 #if 0
344 if(pMgntInfo->bHalfNMode == false)
345 retValue = false;
346 else
347 #endif
348 if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
349 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
350 (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
351 (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
352 (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
353 (net->ralink_cap_exist))
354 retValue = true;
355 else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
356 (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
357 (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
358 (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ||
359 (net->broadcom_cap_exist))
360 retValue = true;
361 else if(net->bssht.bdRT2RTAggregation)
362 retValue = true;
363 else
364 retValue = false;
365
366 return retValue;
367 }
368
369 /********************************************************************************************************************
370 *function: This function returns peer IOT.
371 * input: struct ieee80211_device* ieee
372 * output: none
373 * return:
374 * notice:
375 * *****************************************************************************************************************/
376 void HTIOTPeerDetermine(struct ieee80211_device* ieee)
377 {
378 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
379 struct ieee80211_network* net = &ieee->current_network;
380 //FIXME: need to decide 92U_SOFTAP //LZM,090320
381 if(net->bssht.bdRT2RTAggregation){
382 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
383 if(net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE){
384 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
385 }
386 }
387 else if(net->broadcom_cap_exist)
388 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
389 else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
390 (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
391 (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
392 (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) )
393 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
394 else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
395 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
396 (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
397 (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
398 (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
399 net->ralink_cap_exist)
400 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
401 else if((net->atheros_cap_exist )||
402 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0)||
403 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
404 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
405 else if(memcmp(net->bssid, CISCO_BROADCOM, 3)==0)
406 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
407 else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
408 net->marvell_cap_exist)
409 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
410 else
411 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
412
413 IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer);
414 }
415 /********************************************************************************************************************
416 *function: Check whether driver should declare received rate up to MCS13 only since some chipset is not good
417 * at receiving MCS14~15 frame from some AP.
418 * input: struct ieee80211_device* ieee
419 * u8 * PeerMacAddr
420 * output: none
421 * return: return 1 if driver should declare MCS13 only(otherwise return 0)
422 * *****************************************************************************************************************/
423 u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr)
424 {
425 u8 ret = 0;
426 #if 0
427 // Apply for 819u only
428 #if (HAL_CODE_BASE==RTL8192 && DEV_BUS_TYPE==USB_INTERFACE)
429 if((memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) ||
430 (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)
431 )
432 {
433 ret = 1;
434 }
435
436
437 if(pHTInfo->bCurrentRT2RTAggregation)
438 {
439 // The parameter of pHTInfo->bCurrentRT2RTAggregation must be decided previously
440 ret = 1;
441 }
442 #endif
443 #endif
444 return ret;
445 }
446
447
448 /**
449 * Function: HTIOTActIsDisableMCS15
450 *
451 * Overview: Check whether driver should declare capability of receving MCS15
452 *
453 * Input:
454 * PADAPTER Adapter,
455 *
456 * Output: None
457 * Return: true if driver should disable MCS15
458 * 2008.04.15 Emily
459 */
460 bool HTIOTActIsDisableMCS15(struct ieee80211_device* ieee)
461 {
462 bool retValue = false;
463
464 #ifdef TODO
465 // Apply for 819u only
466 #if (HAL_CODE_BASE==RTL8192)
467
468 #if (DEV_BUS_TYPE == USB_INTERFACE)
469 // Alway disable MCS15 by Jerry Chang's request.by Emily, 2008.04.15
470 retValue = true;
471 #elif (DEV_BUS_TYPE == PCI_INTERFACE)
472 // Enable MCS15 if the peer is Cisco AP. by Emily, 2008.05.12
473 // if(pBssDesc->bCiscoCapExist)
474 // retValue = false;
475 // else
476 retValue = false;
477 #endif
478 #endif
479 #endif
480 // Jerry Chang suggest that 8190 1x2 does not need to disable MCS15
481
482 return retValue;
483 }
484
485 /**
486 * Function: HTIOTActIsDisableMCSTwoSpatialStream
487 *
488 * Overview: Check whether driver should declare capability of receving All 2 ss packets
489 *
490 * Input:
491 * PADAPTER Adapter,
492 *
493 * Output: None
494 * Return: true if driver should disable all two spatial stream packet
495 * 2008.04.21 Emily
496 */
497 bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device* ieee)
498 {
499 bool retValue = false;
500 #ifdef TODO
501 // Apply for 819u only
502 //#if (HAL_CODE_BASE==RTL8192)
503
504 //This rule only apply to Belkin(Ralink) AP
505 if(IS_UNDER_11N_AES_MODE(Adapter))
506 {
507 if((PlatformCompareMemory(PeerMacAddr, BELKINF5D8233V1_RALINK, 3)==0) ||
508 (PlatformCompareMemory(PeerMacAddr, PCI_RALINK, 3)==0) ||
509 (PlatformCompareMemory(PeerMacAddr, EDIMAX_RALINK, 3)==0))
510 {
511 //Set True to disable this function. Disable by default, Emily, 2008.04.23
512 retValue = false;
513 }
514 }
515
516 //#endif
517 #endif
518 #if 1
519 #if defined(RTL8192SU)
520 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
521 if(ieee->is_ap_in_wep_tkip && ieee->is_ap_in_wep_tkip(ieee->dev))
522 {
523 if( (pHTInfo->IOTPeer != HT_IOT_PEER_ATHEROS) &&
524 (pHTInfo->IOTPeer != HT_IOT_PEER_UNKNOWN) &&
525 (pHTInfo->IOTPeer != HT_IOT_PEER_MARVELL) )
526 retValue = true;
527 }
528 #endif
529 #endif
530 return retValue;
531 }
532
533 /********************************************************************************************************************
534 *function: Check whether driver should disable EDCA turbo mode
535 * input: struct ieee80211_device* ieee
536 * u8* PeerMacAddr
537 * output: none
538 * return: return 1 if driver should disable EDCA turbo mode(otherwise return 0)
539 * *****************************************************************************************************************/
540 u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device* ieee, u8* PeerMacAddr)
541 {
542 u8 retValue = false; // default enable EDCA Turbo mode.
543 // Set specific EDCA parameter for different AP in DM handler.
544
545 return retValue;
546 #if 0
547 if((memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0)||
548 (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
549 (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
550 (memcmp(PeerMacAddr, NETGEAR834Bv2_BROADCOM, 3)==0))
551
552 {
553 retValue = 1; //Linksys disable EDCA turbo mode
554 }
555
556 return retValue;
557 #endif
558 }
559
560 /********************************************************************************************************************
561 *function: Check whether we need to use OFDM to sned MGNT frame for broadcom AP
562 * input: struct ieee80211_network *network //current network we live
563 * output: none
564 * return: return 1 if true
565 * *****************************************************************************************************************/
566 u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network)
567 {
568 u8 retValue = 0;
569
570 // 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP.
571 // 2008/01/28 MH We must prevent that we select null bssid to link.
572
573 if(network->broadcom_cap_exist)
574 {
575 retValue = 1;
576 }
577
578 return retValue;
579 }
580
581 u8 HTIOTActIsForcedCTS2Self(struct ieee80211_network *network)
582 {
583 u8 retValue = 0;
584
585 if(network->marvell_cap_exist)
586 {
587 retValue = 1;
588 }
589
590 return retValue;
591 }
592
593 u8 HTIOTActIsForcedRTSCTS(struct ieee80211_device *ieee, struct ieee80211_network *network)
594 {
595 u8 retValue = 0;
596 printk("============>%s(), %d\n", __FUNCTION__, network->realtek_cap_exit);
597 // Force protection
598 #if defined(RTL8192SU)
599 if(ieee->pHTInfo->bCurrentHTSupport)
600 {
601 //if(!network->realtek_cap_exit)
602 if((ieee->pHTInfo->IOTPeer != HT_IOT_PEER_REALTEK)&&
603 (ieee->pHTInfo->IOTPeer != HT_IOT_PEER_REALTEK_92SE))
604 {
605 if((ieee->pHTInfo->IOTAction & HT_IOT_ACT_TX_NO_AGGREGATION) == 0)
606 retValue = 1;
607 }
608 }
609 #endif
610 return retValue;
611 }
612
613 u8
614 HTIOTActIsForcedAMSDU8K(struct ieee80211_device *ieee, struct ieee80211_network *network)
615 {
616 u8 retValue = 0;
617
618 return retValue;
619 }
620
621 u8 HTIOTActIsCCDFsync(u8* PeerMacAddr)
622 {
623 u8 retValue = 0;
624 if( (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) ||
625 (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) ||
626 (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0))
627 {
628 retValue = 1;
629 }
630 return retValue;
631 }
632
633 /*
634 * 819xS single chip b-cut series cannot handle BAR
635 */
636 u8
637 HTIOCActRejcectADDBARequest(struct ieee80211_network *network)
638 {
639 u8 retValue = 0;
640 //if(IS_HARDWARE_TYPE_8192SE(Adapter) ||
641 // IS_HARDWARE_TYPE_8192SU(Adapter)
642 //)
643 #if defined RTL8192SU
644 {
645 // Do not reject ADDBA REQ because some of the AP may
646 // keep on sending ADDBA REQ qhich cause DHCP fail or ping loss!
647 // by HPFan, 2008/12/30
648
649 //if(pBssDesc->Vender == HT_IOT_PEER_MARVELL)
650 // return FALSE;
651
652 }
653 #endif
654
655 return retValue;
656
657 }
658
659 /*
660 * EDCA parameters bias on downlink
661 */
662 u8
663 HTIOTActIsEDCABiasRx(struct ieee80211_device* ieee,struct ieee80211_network *network)
664 {
665 u8 retValue = 0;
666 //if(IS_HARDWARE_TYPE_8192SU(Adapter))
667 #ifdef RTL8192SU
668 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
669 {
670 //#if UNDER_VISTA
671 // if(pBssDesc->Vender==HT_IOT_PEER_ATHEROS ||
672 // pBssDesc->Vender==HT_IOT_PEER_RALINK)
673 //#else
674 if(pHTInfo->IOTPeer==HT_IOT_PEER_ATHEROS ||
675 pHTInfo->IOTPeer==HT_IOT_PEER_BROADCOM ||
676 pHTInfo->IOTPeer==HT_IOT_PEER_RALINK)
677 //#endif
678 return 1;
679
680 }
681 #endif
682 return retValue;
683 }
684
685 u8
686 HTIOTActDisableShortGI(struct ieee80211_device* ieee,struct ieee80211_network *network)
687 {
688 u8 retValue = 0;
689 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
690
691 if(pHTInfo->IOTPeer==HT_IOT_PEER_RALINK)
692 {
693 if(network->bssht.bdHT1R)
694 retValue = 1;
695 }
696
697 return retValue;
698 }
699
700 u8
701 HTIOTActDisableHighPower(struct ieee80211_device* ieee,struct ieee80211_network *network)
702 {
703 u8 retValue = 0;
704 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
705
706 if(pHTInfo->IOTPeer==HT_IOT_PEER_RALINK)
707 {
708 if(network->bssht.bdHT1R)
709 retValue = 1;
710 }
711
712 return retValue;
713 }
714
715 void
716 HTIOTActDetermineRaFunc(struct ieee80211_device* ieee, bool bPeerRx2ss)
717 {
718 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
719 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
720
721 if(pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
722 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
723
724 if(pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
725 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
726
727 printk("!!!!!!!!!!!!!!!!!!!!!!!!!!!IOTRaFunc = %8.8x\n", pHTInfo->IOTRaFunc);
728 }
729
730
731 u8
732 HTIOTActIsDisableTx40MHz(struct ieee80211_device* ieee,struct ieee80211_network *network)
733 {
734 u8 retValue = 0;
735
736 #if defined RTL8192SU
737 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
738 if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) ||
739 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) ||
740 (KEY_TYPE_WEP104 == ieee->group_key_type) ||
741 (KEY_TYPE_WEP40 == ieee->group_key_type) ||
742 (KEY_TYPE_TKIP == ieee->pairwise_key_type) )
743 {
744 if((pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) && (network->bssht.bdSupportHT))
745 retValue = 1;
746 }
747 #endif
748
749 return retValue;
750 }
751
752 u8
753 HTIOTActIsTxNoAggregation(struct ieee80211_device* ieee,struct ieee80211_network *network)
754 {
755 u8 retValue = 0;
756
757 #if defined RTL8192SU
758 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
759 if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) ||
760 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) ||
761 (KEY_TYPE_WEP104 == ieee->group_key_type) ||
762 (KEY_TYPE_WEP40 == ieee->group_key_type) ||
763 (KEY_TYPE_TKIP == ieee->pairwise_key_type) )
764 {
765 if(pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK ||
766 pHTInfo->IOTPeer==HT_IOT_PEER_UNKNOWN)
767 retValue = 1;
768 }
769 #endif
770
771 return retValue;
772 }
773
774
775 u8
776 HTIOTActIsDisableTx2SS(struct ieee80211_device* ieee,struct ieee80211_network *network)
777 {
778 u8 retValue = 0;
779
780 #if defined RTL8192SU
781 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
782 if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) ||
783 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) ||
784 (KEY_TYPE_WEP104 == ieee->group_key_type) ||
785 (KEY_TYPE_WEP40 == ieee->group_key_type) ||
786 (KEY_TYPE_TKIP == ieee->pairwise_key_type) )
787 {
788 if((pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) && (network->bssht.bdSupportHT))
789 retValue = 1;
790 }
791 #endif
792
793 return retValue;
794 }
795
796
797 bool HTIOCActAllowPeerAggOnePacket(struct ieee80211_device* ieee,struct ieee80211_network *network)
798 {
799 bool retValue = false;
800 #if defined(RTL8192SU)
801 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
802 {
803 if(pHTInfo->IOTPeer == HT_IOT_PEER_MARVELL)
804 return true;
805
806 }
807 #endif
808 return retValue;
809 }
810
811 void HTResetIOTSetting(
812 PRT_HIGH_THROUGHPUT pHTInfo
813 )
814 {
815 pHTInfo->IOTAction = 0;
816 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
817 pHTInfo->IOTRaFunc = 0;
818 }
819
820
821 /********************************************************************************************************************
822 *function: Construct Capablility Element in Beacon... if HTEnable is turned on
823 * input: struct ieee80211_device* ieee
824 * u8* posHTCap //pointer to store Capability Ele
825 * u8* len //store length of CE
826 * u8 IsEncrypt //whether encrypt, needed further
827 * output: none
828 * return: none
829 * notice: posHTCap can't be null and should be initialized before.
830 * *****************************************************************************************************************/
831 void HTConstructCapabilityElement(struct ieee80211_device* ieee, u8* posHTCap, u8* len, u8 IsEncrypt)
832 {
833 PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo;
834 PHT_CAPABILITY_ELE pCapELE = NULL;
835 //u8 bIsDeclareMCS13;
836
837 if ((posHTCap == NULL) || (pHT == NULL))
838 {
839 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n");
840 return;
841 }
842 memset(posHTCap, 0, *len);
843 if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
844 {
845 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
846 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
847 pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]);
848 }else
849 {
850 pCapELE = (PHT_CAPABILITY_ELE)posHTCap;
851 }
852
853
854 //HT capability info
855 pCapELE->AdvCoding = 0; // This feature is not supported now!!
856 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
857 {
858 pCapELE->ChlWidth = 0;
859 }
860 else
861 {
862 pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);
863 }
864
865 // pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);
866 pCapELE->MimoPwrSave = pHT->SelfMimoPs;
867 pCapELE->GreenField = 0; // This feature is not supported now!!
868 pCapELE->ShortGI20Mhz = 1; // We can receive Short GI!!
869 pCapELE->ShortGI40Mhz = 1; // We can receive Short GI!!
870 //DbgPrint("TX HT cap/info ele BW=%d SG20=%d SG40=%d\n\r",
871 //pCapELE->ChlWidth, pCapELE->ShortGI20Mhz, pCapELE->ShortGI40Mhz);
872 pCapELE->TxSTBC = 1;
873 pCapELE->RxSTBC = 0;
874 pCapELE->DelayBA = 0; // Do not support now!!
875 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0;
876 pCapELE->DssCCk = ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0);
877 pCapELE->PSMP = 0; // Do not support now!!
878 pCapELE->LSigTxopProtect = 0; // Do not support now!!
879
880
881 //MAC HT parameters info
882 // TODO: Nedd to take care of this part
883 IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
884
885 if( IsEncrypt)
886 {
887 pCapELE->MPDUDensity = 7; // 8us
888 pCapELE->MaxRxAMPDUFactor = 2; // 2 is for 32 K and 3 is 64K
889 }
890 else
891 {
892 pCapELE->MaxRxAMPDUFactor = 3; // 2 is for 32 K and 3 is 64K
893 pCapELE->MPDUDensity = 0; // no density
894 }
895
896 //Supported MCS set
897 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
898 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
899 pCapELE->MCS[1] &= 0x7f;
900
901 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
902 pCapELE->MCS[1] &= 0xbf;
903
904 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
905 pCapELE->MCS[1] &= 0x00;
906
907 // 2008.06.12
908 // For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7.
909 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
910 {
911 int i;
912 for(i = 1; i< 16; i++)
913 pCapELE->MCS[i] = 0;
914 }
915
916 //Extended HT Capability Info
917 memset(&pCapELE->ExtHTCapInfo, 0, 2);
918
919
920 //TXBF Capabilities
921 memset(pCapELE->TxBFCap, 0, 4);
922
923 //Antenna Selection Capabilities
924 pCapELE->ASCap = 0;
925 //add 2 to give space for element ID and len when construct frames
926 if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
927 *len = 30 + 2;
928 else
929 *len = 26 + 2;
930
931
932
933 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTCap, *len -2);
934
935 //Print each field in detail. Driver should not print out this message by default
936 // HTDebugHTCapability(posHTCap, (u8*)"HTConstructCapability()");
937 return;
938
939 }
940 /********************************************************************************************************************
941 *function: Construct Information Element in Beacon... if HTEnable is turned on
942 * input: struct ieee80211_device* ieee
943 * u8* posHTCap //pointer to store Information Ele
944 * u8* len //store len of
945 * u8 IsEncrypt //whether encrypt, needed further
946 * output: none
947 * return: none
948 * notice: posHTCap can't be null and be initialized before. only AP and IBSS sta should do this
949 * *****************************************************************************************************************/
950 void HTConstructInfoElement(struct ieee80211_device* ieee, u8* posHTInfo, u8* len, u8 IsEncrypt)
951 {
952 PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo;
953 PHT_INFORMATION_ELE pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo;
954 if ((posHTInfo == NULL) || (pHTInfoEle == NULL))
955 {
956 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n");
957 return;
958 }
959
960 memset(posHTInfo, 0, *len);
961 if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) //ap mode is not currently supported
962 {
963 pHTInfoEle->ControlChl = ieee->current_network.channel;
964 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT:
965 (ieee->current_network.channel<=6)?
966 HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER);
967 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz;
968 pHTInfoEle->RIFS = 0;
969 pHTInfoEle->PSMPAccessOnly = 0;
970 pHTInfoEle->SrvIntGranularity = 0;
971 pHTInfoEle->OptMode = pHT->CurrentOpMode;
972 pHTInfoEle->NonGFDevPresent = 0;
973 pHTInfoEle->DualBeacon = 0;
974 pHTInfoEle->SecondaryBeacon = 0;
975 pHTInfoEle->LSigTxopProtectFull = 0;
976 pHTInfoEle->PcoActive = 0;
977 pHTInfoEle->PcoPhase = 0;
978
979 memset(pHTInfoEle->BasicMSC, 0, 16);
980
981
982 *len = 22 + 2; //same above
983
984 }
985 else
986 {
987 //STA should not generate High Throughput Information Element
988 *len = 0;
989 }
990 //IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTInfo, *len - 2);
991 //HTDebugHTInfo(posHTInfo, "HTConstructInforElement");
992 return;
993 }
994
995 /*
996 * According to experiment, Realtek AP to STA (based on rtl8190) may achieve best performance
997 * if both STA and AP set limitation of aggregation size to 32K, that is, set AMPDU density to 2
998 * (Ref: IEEE 11n specification). However, if Realtek STA associates to other AP, STA should set
999 * limitation of aggregation size to 8K, otherwise, performance of traffic stream from STA to AP
1000 * will be much less than the traffic stream from AP to STA if both of the stream runs concurrently
1001 * at the same time.
1002 *
1003 * Frame Format
1004 * Element ID Length OUI Type1 Reserved
1005 * 1 byte 1 byte 3 bytes 1 byte 1 byte
1006 *
1007 * OUI = 0x00, 0xe0, 0x4c,
1008 * Type = 0x02
1009 * Reserved = 0x00
1010 *
1011 * 2007.8.21 by Emily
1012 */
1013 /********************************************************************************************************************
1014 *function: Construct Information Element in Beacon... in RT2RT condition
1015 * input: struct ieee80211_device* ieee
1016 * u8* posRT2RTAgg //pointer to store Information Ele
1017 * u8* len //store len
1018 * output: none
1019 * return: none
1020 * notice:
1021 * *****************************************************************************************************************/
1022 void HTConstructRT2RTAggElement(struct ieee80211_device* ieee, u8* posRT2RTAgg, u8* len)
1023 {
1024 if (posRT2RTAgg == NULL) {
1025 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n");
1026 return;
1027 }
1028 memset(posRT2RTAgg, 0, *len);
1029 *posRT2RTAgg++ = 0x00;
1030 *posRT2RTAgg++ = 0xe0;
1031 *posRT2RTAgg++ = 0x4c;
1032 *posRT2RTAgg++ = 0x02;
1033 *posRT2RTAgg++ = 0x01;
1034 *posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02;
1035
1036 if(ieee->bSupportRemoteWakeUp) {
1037 *posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW;
1038 }
1039
1040 *len = 6 + 2;
1041 return;
1042 #ifdef TODO
1043 #if(HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE)
1044 /*
1045 //Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this
1046 section of code.
1047 if(IS_UNDER_11N_AES_MODE(Adapter))
1048 {
1049 posRT2RTAgg->Octet[5] |=RT_HT_CAP_USE_AMPDU;
1050 }else
1051 {
1052 posRT2RTAgg->Octet[5] &= 0xfb;
1053 }
1054 */
1055
1056 #else
1057 // Do Nothing
1058 #endif
1059
1060 posRT2RTAgg->Length = 6;
1061 #endif
1062
1063
1064
1065
1066 }
1067
1068
1069 /********************************************************************************************************************
1070 *function: Pick the right Rate Adaptive table to use
1071 * input: struct ieee80211_device* ieee
1072 * u8* pOperateMCS //A pointer to MCS rate bitmap
1073 * return: always we return true
1074 * notice:
1075 * *****************************************************************************************************************/
1076 u8 HT_PickMCSRate(struct ieee80211_device* ieee, u8* pOperateMCS)
1077 {
1078 u8 i;
1079 if (pOperateMCS == NULL)
1080 {
1081 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n");
1082 return false;
1083 }
1084
1085 switch(ieee->mode)
1086 {
1087 case IEEE_A:
1088 case IEEE_B:
1089 case IEEE_G:
1090 //legacy rate routine handled at selectedrate
1091
1092 //no MCS rate
1093 for(i=0;i<=15;i++){
1094 pOperateMCS[i] = 0;
1095 }
1096 break;
1097
1098 case IEEE_N_24G: //assume CCK rate ok
1099 case IEEE_N_5G:
1100 // Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G.
1101 // Legacy part shall be handled at SelectRateSet().
1102
1103 //HT part
1104 // TODO: may be different if we have different number of antenna
1105 pOperateMCS[0] &=RATE_ADPT_1SS_MASK; //support MCS 0~7
1106 pOperateMCS[1] &=RATE_ADPT_2SS_MASK;
1107 pOperateMCS[3] &=RATE_ADPT_MCS32_MASK;
1108 break;
1109
1110 //should never reach here
1111 default:
1112
1113 break;
1114
1115 }
1116
1117 return true;
1118 }
1119
1120 /*
1121 * Description:
1122 * This function will get the highest speed rate in input MCS set.
1123 *
1124 * /param Adapter Pionter to Adapter entity
1125 * pMCSRateSet Pointer to MCS rate bitmap
1126 * pMCSFilter Pointer to MCS rate filter
1127 *
1128 * /return Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter.
1129 *
1130 */
1131 /********************************************************************************************************************
1132 *function: This function will get the highest speed rate in input MCS set.
1133 * input: struct ieee80211_device* ieee
1134 * u8* pMCSRateSet //Pointer to MCS rate bitmap
1135 * u8* pMCSFilter //Pointer to MCS rate filter
1136 * return: Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter
1137 * notice:
1138 * *****************************************************************************************************************/
1139 u8 HTGetHighestMCSRate(struct ieee80211_device* ieee, u8* pMCSRateSet, u8* pMCSFilter)
1140 {
1141 u8 i, j;
1142 u8 bitMap;
1143 u8 mcsRate = 0;
1144 u8 availableMcsRate[16];
1145 if (pMCSRateSet == NULL || pMCSFilter == NULL)
1146 {
1147 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n");
1148 return false;
1149 }
1150 for(i=0; i<16; i++)
1151 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
1152
1153 for(i = 0; i < 16; i++)
1154 {
1155 if(availableMcsRate[i] != 0)
1156 break;
1157 }
1158 if(i == 16)
1159 return false;
1160
1161 for(i = 0; i < 16; i++)
1162 {
1163 if(availableMcsRate[i] != 0)
1164 {
1165 bitMap = availableMcsRate[i];
1166 for(j = 0; j < 8; j++)
1167 {
1168 if((bitMap%2) != 0)
1169 {
1170 if(HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate))
1171 mcsRate = (8*i+j);
1172 }
1173 bitMap = bitMap>>1;
1174 }
1175 }
1176 }
1177 return (mcsRate|0x80);
1178 }
1179
1180
1181
1182 /*
1183 **
1184 **1.Filter our operation rate set with AP's rate set
1185 **2.shall reference channel bandwidth, STBC, Antenna number
1186 **3.generate rate adative table for firmware
1187 **David 20060906
1188 **
1189 ** \pHTSupportedCap: the connected STA's supported rate Capability element
1190 */
1191 u8 HTFilterMCSRate( struct ieee80211_device* ieee, u8* pSupportMCS, u8* pOperateMCS)
1192 {
1193
1194 u8 i=0;
1195
1196 // filter out operational rate set not supported by AP, the lenth of it is 16
1197 for(i=0;i<=15;i++){
1198 pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i]&pSupportMCS[i];
1199 }
1200
1201
1202 // TODO: adjust our operational rate set according to our channel bandwidth, STBC and Antenna number
1203
1204 // TODO: fill suggested rate adaptive rate index and give firmware info using Tx command packet
1205 // we also shall suggested the first start rate set according to our singal strength
1206 HT_PickMCSRate(ieee, pOperateMCS);
1207
1208 // For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7.
1209 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
1210 pOperateMCS[1] = 0;
1211
1212 //
1213 // For RTL819X, we support only MCS0~15.
1214 // And also, we do not know how to use MCS32 now.
1215 //
1216 for(i=2; i<=15; i++)
1217 pOperateMCS[i] = 0;
1218
1219 return true;
1220 }
1221 void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset);
1222 #if 0
1223 //I need move this function to other places, such as rx?
1224 void HTOnAssocRsp_wq(struct work_struct *work)
1225 {
1226 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ht_onAssRsp);
1227 #endif
1228 void HTOnAssocRsp(struct ieee80211_device *ieee)
1229 {
1230 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1231 PHT_CAPABILITY_ELE pPeerHTCap = NULL;
1232 PHT_INFORMATION_ELE pPeerHTInfo = NULL;
1233 u16 nMaxAMSDUSize = 0;
1234 u8* pMcsFilter = NULL;
1235
1236 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
1237 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily
1238
1239 if( pHTInfo->bCurrentHTSupport == false )
1240 {
1241 IEEE80211_DEBUG(IEEE80211_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n");
1242 return;
1243 }
1244 IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
1245 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTCapBuf, sizeof(HT_CAPABILITY_ELE));
1246 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTInfoBuf, sizeof(HT_INFORMATION_ELE));
1247
1248 // HTDebugHTCapability(pHTInfo->PeerHTCapBuf,"HTOnAssocRsp_wq");
1249 // HTDebugHTInfo(pHTInfo->PeerHTInfoBuf,"HTOnAssocRsp_wq");
1250 //
1251 if(!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap)))
1252 pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]);
1253 else
1254 pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf);
1255
1256 if(!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
1257 pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]);
1258 else
1259 pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf);
1260
1261
1262 ////////////////////////////////////////////////////////
1263 // Configurations:
1264 ////////////////////////////////////////////////////////
1265 IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE));
1266 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTInfo, sizeof(HT_INFORMATION_ELE));
1267 // Config Supported Channel Width setting
1268 //
1269 HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset));
1270
1271 // if(pHTInfo->bCurBW40MHz == true)
1272 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false);
1273
1274 //
1275 // Update short GI/ long GI setting
1276 //
1277 // TODO:
1278 pHTInfo->bCurShortGI20MHz=
1279 ((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false);
1280 pHTInfo->bCurShortGI40MHz=
1281 ((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false);
1282
1283 //
1284 // Config TX STBC setting
1285 //
1286 // TODO:
1287
1288 //
1289 // Config DSSS/CCK mode in 40MHz mode
1290 //
1291 // TODO:
1292 pHTInfo->bCurSuppCCK =
1293 ((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false);
1294
1295
1296 //
1297 // Config and configure A-MSDU setting
1298 //
1299 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
1300
1301 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935;
1302
1303 if(pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize )
1304 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
1305 else
1306 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1307
1308 //
1309 // Config A-MPDU setting
1310 //
1311 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
1312 if(ieee->is_ap_in_wep_tkip && ieee->is_ap_in_wep_tkip(ieee->dev))
1313 {
1314 if( (pHTInfo->IOTPeer== HT_IOT_PEER_ATHEROS) ||
1315 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN) )
1316 pHTInfo->bCurrentAMPDUEnable = false;
1317 }
1318
1319 // <1> Decide AMPDU Factor
1320
1321 // By Emily
1322 if(!pHTInfo->bRegRT2RTAggregation)
1323 {
1324 // Decide AMPDU Factor according to protocol handshake
1325 if(pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
1326 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1327 else
1328 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1329
1330 }else
1331 {
1332 // Set MPDU density to 2 to Realtek AP, and set it to 0 for others
1333 // Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily
1334 #if 0
1335 osTmp= PacketGetElement( asocpdu, EID_Vendor, OUI_SUB_REALTEK_AGG, OUI_SUBTYPE_DONT_CARE);
1336 if(osTmp.Length >= 5) //00:e0:4c:02:00
1337 #endif
1338 if (ieee->current_network.bssht.bdRT2RTAggregation)
1339 {
1340 if( ieee->pairwise_key_type != KEY_TYPE_NA)
1341 // Realtek may set 32k in security mode and 64k for others
1342 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1343 else
1344 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
1345 }else
1346 {
1347 if(pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
1348 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1349 else
1350 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
1351 }
1352 }
1353
1354 // <2> Set AMPDU Minimum MPDU Start Spacing
1355 // 802.11n 3.0 section 9.7d.3
1356 #if 1
1357 if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
1358 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1359 else
1360 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
1361 if(ieee->pairwise_key_type != KEY_TYPE_NA )
1362 pHTInfo->CurrentMPDUDensity = 7; // 8us
1363 #else
1364 if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
1365 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1366 else
1367 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
1368 #endif
1369 // Force TX AMSDU
1370
1371 // Lanhsin: mark for tmp to avoid deauth by ap from s3
1372 //if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0)
1373 if(pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K)
1374 {
1375
1376 pHTInfo->bCurrentAMPDUEnable = false;
1377 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
1378 pHTInfo->ForcedAMSDUMaxSize = 7935;
1379 }
1380
1381 // Rx Reorder Setting
1382 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
1383
1384 //
1385 // Filter out unsupported HT rate for this AP
1386 // Update RATR table
1387 // This is only for 8190 ,8192 or later product which using firmware to handle rate adaptive mechanism.
1388 //
1389
1390 // Handle Ralink AP bad MCS rate set condition. Joseph.
1391 // This fix the bug of Ralink AP. This may be removed in the future.
1392 if(pPeerHTCap->MCS[0] == 0)
1393 pPeerHTCap->MCS[0] = 0xff;
1394
1395 // Joseph test //LZM ADD 090318
1396 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1])!=0));
1397
1398 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
1399
1400 //
1401 // Config MIMO Power Save setting
1402 //
1403 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
1404 if(pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
1405 pMcsFilter = MCS_FILTER_1SS;
1406 else
1407 pMcsFilter = MCS_FILTER_ALL;
1408 //WB add for MCS8 bug
1409 // pMcsFilter = MCS_FILTER_1SS;
1410 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter);
1411 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
1412
1413 //
1414 // Config current operation mode.
1415 //
1416 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
1417
1418
1419
1420 }
1421
1422 void HTSetConnectBwModeCallback(struct ieee80211_device* ieee);
1423 /********************************************************************************************************************
1424 *function: initialize HT info(struct PRT_HIGH_THROUGHPUT)
1425 * input: struct ieee80211_device* ieee
1426 * output: none
1427 * return: none
1428 * notice: This function is called when * (1) MPInitialization Phase * (2) Receiving of Deauthentication from AP
1429 ********************************************************************************************************************/
1430 // TODO: Should this funciton be called when receiving of Disassociation?
1431 void HTInitializeHTInfo(struct ieee80211_device* ieee)
1432 {
1433 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1434
1435 //
1436 // These parameters will be reset when receiving deauthentication packet
1437 //
1438 IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __FUNCTION__);
1439 pHTInfo->bCurrentHTSupport = false;
1440
1441 // 40MHz channel support
1442 pHTInfo->bCurBW40MHz = false;
1443 pHTInfo->bCurTxBW40MHz = false;
1444
1445 // Short GI support
1446 pHTInfo->bCurShortGI20MHz = false;
1447 pHTInfo->bCurShortGI40MHz = false;
1448 pHTInfo->bForcedShortGI = false;
1449
1450 // CCK rate support
1451 // This flag is set to true to support CCK rate by default.
1452 // It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities only when associate to
1453 // 11N BSS.
1454 pHTInfo->bCurSuppCCK = true;
1455
1456 // AMSDU related
1457 pHTInfo->bCurrent_AMSDU_Support = false;
1458 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1459
1460 // AMPUD related
1461 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1462 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1463
1464
1465
1466 // Initialize all of the parameters related to 11n
1467 memset((void*)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap));
1468 memset((void*)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo));
1469 memset((void*)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf));
1470 memset((void*)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf));
1471
1472 pHTInfo->bSwBwInProgress = false;
1473 pHTInfo->ChnlOp = CHNLOP_NONE;
1474
1475 // Set default IEEE spec for Draft N
1476 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
1477
1478 // Realtek proprietary aggregation mode
1479 pHTInfo->bCurrentRT2RTAggregation = false;
1480 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1481 pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1482
1483 pHTInfo->IOTPeer = 0;
1484 pHTInfo->IOTAction = 0;
1485 pHTInfo->IOTRaFunc = 0;
1486
1487 //MCS rate initialized here
1488 {
1489 u8* RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
1490 RegHTSuppRateSets[0] = 0xFF; //support MCS 0~7
1491 RegHTSuppRateSets[1] = 0xFF; //support MCS 8~15
1492 RegHTSuppRateSets[4] = 0x01; //support MCS 32
1493 }
1494 }
1495 /********************************************************************************************************************
1496 *function: initialize Bss HT structure(struct PBSS_HT)
1497 * input: PBSS_HT pBssHT //to be initialized
1498 * output: none
1499 * return: none
1500 * notice: This function is called when initialize network structure
1501 ********************************************************************************************************************/
1502 void HTInitializeBssDesc(PBSS_HT pBssHT)
1503 {
1504
1505 pBssHT->bdSupportHT = false;
1506 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
1507 pBssHT->bdHTCapLen = 0;
1508 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
1509 pBssHT->bdHTInfoLen = 0;
1510
1511 pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE;
1512
1513 pBssHT->bdRT2RTAggregation = false;
1514 pBssHT->bdRT2RTLongSlotTime = false;
1515 pBssHT->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1516 }
1517 #if 0
1518 //below function has merged into ieee80211_network_init() in ieee80211_rx.c
1519 void
1520 HTParsingHTCapElement(
1521 IN PADAPTER Adapter,
1522 IN OCTET_STRING HTCapIE,
1523 OUT PRT_WLAN_BSS pBssDesc
1524 )
1525 {
1526 PMGNT_INFO pMgntInfo = &Adapter->MgntInfo;
1527
1528 if( HTCapIE.Length > sizeof(pBssDesc->BssHT.bdHTCapBuf) )
1529 {
1530 RT_TRACE( COMP_HT, DBG_LOUD, ("HTParsingHTCapElement(): HT Capability Element length is too long!\n") );
1531 return;
1532 }
1533
1534 // TODO: Check the correctness of HT Cap
1535 //Print each field in detail. Driver should not print out this message by default
1536 if(!pMgntInfo->mActingAsAp && !pMgntInfo->mAssoc)
1537 HTDebugHTCapability(DBG_TRACE, Adapter, &HTCapIE, (pu8)"HTParsingHTCapElement()");
1538
1539 HTCapIE.Length = HTCapIE.Length > sizeof(pBssDesc->BssHT.bdHTCapBuf)?\
1540 sizeof(pBssDesc->BssHT.bdHTCapBuf):HTCapIE.Length; //prevent from overflow
1541
1542 CopyMem(pBssDesc->BssHT.bdHTCapBuf, HTCapIE.Octet, HTCapIE.Length);
1543 pBssDesc->BssHT.bdHTCapLen = HTCapIE.Length;
1544
1545 }
1546
1547
1548 void
1549 HTParsingHTInfoElement(
1550 PADAPTER Adapter,
1551 OCTET_STRING HTInfoIE,
1552 PRT_WLAN_BSS pBssDesc
1553 )
1554 {
1555 PMGNT_INFO pMgntInfo = &Adapter->MgntInfo;
1556
1557 if( HTInfoIE.Length > sizeof(pBssDesc->BssHT.bdHTInfoBuf))
1558 {
1559 RT_TRACE( COMP_HT, DBG_LOUD, ("HTParsingHTInfoElement(): HT Information Element length is too long!\n") );
1560 return;
1561 }
1562
1563 // TODO: Check the correctness of HT Info
1564 //Print each field in detail. Driver should not print out this message by default
1565 if(!pMgntInfo->mActingAsAp && !pMgntInfo->mAssoc)
1566 HTDebugHTInfo(DBG_TRACE, Adapter, &HTInfoIE, (pu8)"HTParsingHTInfoElement()");
1567
1568 HTInfoIE.Length = HTInfoIE.Length > sizeof(pBssDesc->BssHT.bdHTInfoBuf)?\
1569 sizeof(pBssDesc->BssHT.bdHTInfoBuf):HTInfoIE.Length; //prevent from overflow
1570
1571 CopyMem( pBssDesc->BssHT.bdHTInfoBuf, HTInfoIE.Octet, HTInfoIE.Length);
1572 pBssDesc->BssHT.bdHTInfoLen = HTInfoIE.Length;
1573 }
1574
1575 /*
1576 * Get HT related information from beacon and save it in BssDesc
1577 *
1578 * (1) Parse HTCap, and HTInfo, and record whether it is 11n AP
1579 * (2) If peer is HT, but not WMM, call QosSetLegacyWMMParamWithHT()
1580 * (3) Check whether peer is Realtek AP (for Realtek proprietary aggregation mode).
1581 * Input:
1582 * PADAPTER Adapter
1583 *
1584 * Output:
1585 * PRT_TCB BssDesc
1586 *
1587 */
1588 void HTGetValueFromBeaconOrProbeRsp(
1589 PADAPTER Adapter,
1590 POCTET_STRING pSRCmmpdu,
1591 PRT_WLAN_BSS bssDesc
1592 )
1593 {
1594 PMGNT_INFO pMgntInfo = &Adapter->MgntInfo;
1595 PRT_HIGH_THROUGHPUT pHTInfo = GET_HT_INFO(pMgntInfo);
1596 OCTET_STRING HTCapIE, HTInfoIE, HTRealtekAgg, mmpdu;
1597 OCTET_STRING BroadcomElement, CiscoElement;
1598
1599 mmpdu.Octet = pSRCmmpdu->Octet;
1600 mmpdu.Length = pSRCmmpdu->Length;
1601
1602 //2Note:
1603 // Mark for IOT testing using Linksys WRT350N, This AP does not contain WMM IE when
1604 // it is configured at pure-N mode.
1605 // if(bssDesc->BssQos.bdQoSMode & QOS_WMM)
1606 //
1607
1608 HTInitializeBssDesc (&bssDesc->BssHT);
1609
1610 //2<1> Parse HTCap, and HTInfo
1611 // Get HT Capability IE: (1) Get IEEE Draft N IE or (2) Get EWC IE
1612 HTCapIE = PacketGetElement(mmpdu, EID_HTCapability, OUI_SUB_DONT_CARE, OUI_SUBTYPE_DONT_CARE);
1613 if(HTCapIE.Length == 0)
1614 {
1615 HTCapIE = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_11N_EWC_HT_CAP, OUI_SUBTYPE_DONT_CARE);
1616 if(HTCapIE.Length != 0)
1617 bssDesc->BssHT.bdHTSpecVer= HT_SPEC_VER_EWC;
1618 }
1619 if(HTCapIE.Length != 0)
1620 HTParsingHTCapElement(Adapter, HTCapIE, bssDesc);
1621
1622 // Get HT Information IE: (1) Get IEEE Draft N IE or (2) Get EWC IE
1623 HTInfoIE = PacketGetElement(mmpdu, EID_HTInfo, OUI_SUB_DONT_CARE, OUI_SUBTYPE_DONT_CARE);
1624 if(HTInfoIE.Length == 0)
1625 {
1626 HTInfoIE = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_11N_EWC_HT_INFO, OUI_SUBTYPE_DONT_CARE);
1627 if(HTInfoIE.Length != 0)
1628 bssDesc->BssHT.bdHTSpecVer = HT_SPEC_VER_EWC;
1629 }
1630 if(HTInfoIE.Length != 0)
1631 HTParsingHTInfoElement(Adapter, HTInfoIE, bssDesc);
1632
1633 //2<2>If peer is HT, but not WMM, call QosSetLegacyWMMParamWithHT()
1634 if(HTCapIE.Length != 0)
1635 {
1636 bssDesc->BssHT.bdSupportHT = true;
1637 if(bssDesc->BssQos.bdQoSMode == QOS_DISABLE)
1638 QosSetLegacyWMMParamWithHT(Adapter, bssDesc);
1639 }
1640 else
1641 {
1642 bssDesc->BssHT.bdSupportHT = false;
1643 }
1644
1645 //2<3>Check whether the peer is Realtek AP/STA
1646 if(pHTInfo->bRegRT2RTAggregation)
1647 {
1648 if(bssDesc->BssHT.bdSupportHT)
1649 {
1650 HTRealtekAgg = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_REALTEK_AGG, OUI_SUBTYPE_DONT_CARE);
1651 if(HTRealtekAgg.Length >=5 )
1652 {
1653 bssDesc->BssHT.bdRT2RTAggregation = true;
1654
1655 if((HTRealtekAgg.Octet[4]==1) && (HTRealtekAgg.Octet[5] & 0x02))
1656 bssDesc->BssHT.bdRT2RTLongSlotTime = true;
1657 }
1658 }
1659 }
1660
1661 //
1662 // 2008/01/25 MH Get Broadcom AP IE for manamgent frame CCK rate problem.
1663 // AP can not receive CCK managemtn from from 92E.
1664 //
1665
1666 // Initialize every new bss broadcom cap exist as false..
1667 bssDesc->bBroadcomCapExist= false;
1668
1669 if(HTCapIE.Length != 0 || HTInfoIE.Length != 0)
1670 {
1671 u4Byte Length = 0;
1672
1673 FillOctetString(BroadcomElement, NULL, 0);
1674
1675 BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_1, OUI_SUBTYPE_DONT_CARE);
1676 Length += BroadcomElement.Length;
1677 BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_2, OUI_SUBTYPE_DONT_CARE);
1678 Length += BroadcomElement.Length;
1679 BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_3, OUI_SUBTYPE_DONT_CARE);
1680 Length += BroadcomElement.Length;
1681
1682 if(Length > 0)
1683 bssDesc->bBroadcomCapExist = true;
1684 }
1685
1686
1687 // For Cisco IOT issue
1688 CiscoElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_CISCO_IE, OUI_SUBTYPE_DONT_CARE);
1689 if(CiscoElement.Length != 0){ // 3: 0x00, 0x40, 0x96 ....
1690 bssDesc->bCiscoCapExist = true;
1691 }else{
1692 bssDesc->bCiscoCapExist = false;
1693 }
1694 }
1695
1696
1697 #endif
1698 /********************************************************************************************************************
1699 *function: initialize Bss HT structure(struct PBSS_HT)
1700 * input: struct ieee80211_device *ieee
1701 * struct ieee80211_network *pNetwork //usually current network we are live in
1702 * output: none
1703 * return: none
1704 * notice: This function should ONLY be called before association
1705 ********************************************************************************************************************/
1706 void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork)
1707 {
1708 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1709 // u16 nMaxAMSDUSize;
1710 // PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
1711 // PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
1712 // u8* pMcsFilter;
1713 u8 bIOTAction = 0;
1714
1715 //
1716 // Save Peer Setting before Association
1717 //
1718 IEEE80211_DEBUG(IEEE80211_DL_HT, "==============>%s()\n", __FUNCTION__);
1719 /*unmark bEnableHT flag here is the same reason why unmarked in function ieee80211_softmac_new_net. WB 2008.09.10*/
1720 // if( pHTInfo->bEnableHT && pNetwork->bssht.bdSupportHT)
1721 if (pNetwork->bssht.bdSupportHT)
1722 {
1723 pHTInfo->bCurrentHTSupport = true;
1724 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
1725
1726 // Save HTCap and HTInfo information Element
1727 if(pNetwork->bssht.bdHTCapLen > 0 && pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
1728 memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen);
1729
1730 if(pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf))
1731 memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen);
1732
1733 // Check whether RT to RT aggregation mode is enabled
1734 if(pHTInfo->bRegRT2RTAggregation)
1735 {
1736 pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation;
1737 pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime;
1738 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
1739 }
1740 else
1741 {
1742 pHTInfo->bCurrentRT2RTAggregation = false;
1743 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1744 pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1745 }
1746
1747 // Determine the IOT Peer Vendor.
1748 HTIOTPeerDetermine(ieee);
1749
1750 // Decide IOT Action
1751 // Must be called after the parameter of pHTInfo->bCurrentRT2RTAggregation is decided
1752 pHTInfo->IOTAction = 0;
1753 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
1754 if(bIOTAction)
1755 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
1756
1757 bIOTAction = HTIOTActIsDisableMCS15(ieee);
1758 if(bIOTAction)
1759 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
1760
1761 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
1762 if(bIOTAction)
1763 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
1764
1765
1766 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
1767 if(bIOTAction)
1768 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
1769
1770 bIOTAction = HTIOTActIsMgntUseCCK6M(pNetwork);
1771 if(bIOTAction)
1772 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
1773
1774 bIOTAction = HTIOTActIsCCDFsync(pNetwork->bssid);
1775 if(bIOTAction)
1776 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
1777
1778 bIOTAction = HTIOTActIsForcedCTS2Self(pNetwork);
1779 if(bIOTAction)
1780 pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_CTS2SELF;
1781
1782 //bIOTAction = HTIOTActIsForcedRTSCTS(ieee, pNetwork);
1783 //if(bIOTAction)
1784 // pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_RTS;
1785
1786 #if defined(RTL8192SU)
1787 bIOTAction = HTIOCActRejcectADDBARequest(pNetwork);
1788 if(bIOTAction)
1789 pHTInfo->IOTAction |= HT_IOT_ACT_REJECT_ADDBA_REQ;
1790 #endif
1791
1792 bIOTAction = HTIOCActAllowPeerAggOnePacket(ieee, pNetwork);
1793 if(bIOTAction)
1794 pHTInfo->IOTAction |= HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT;
1795
1796 bIOTAction = HTIOTActIsEDCABiasRx(ieee, pNetwork);
1797 if(bIOTAction)
1798 pHTInfo->IOTAction |= HT_IOT_ACT_EDCA_BIAS_ON_RX;
1799
1800 #if defined(RTL8192SU)
1801 bIOTAction = HTIOTActDisableShortGI(ieee, pNetwork);
1802 if(bIOTAction)
1803 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_SHORT_GI;
1804
1805 bIOTAction = HTIOTActDisableHighPower(ieee, pNetwork);
1806 if(bIOTAction)
1807 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_HIGH_POWER;
1808 #endif
1809
1810 bIOTAction = HTIOTActIsForcedAMSDU8K(ieee, pNetwork);
1811 if(bIOTAction)
1812 pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K;
1813
1814 #if defined(RTL8192SU)
1815 bIOTAction = HTIOTActIsTxNoAggregation(ieee, pNetwork);
1816 if(bIOTAction)
1817 pHTInfo->IOTAction |= HT_IOT_ACT_TX_NO_AGGREGATION;
1818
1819 bIOTAction = HTIOTActIsDisableTx40MHz(ieee, pNetwork);
1820 if(bIOTAction)
1821 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_TX_40_MHZ;
1822
1823 bIOTAction = HTIOTActIsDisableTx2SS(ieee, pNetwork);
1824 if(bIOTAction)
1825 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_TX_2SS;
1826 #endif
1827 //must after HT_IOT_ACT_TX_NO_AGGREGATION
1828 bIOTAction = HTIOTActIsForcedRTSCTS(ieee, pNetwork);
1829 if(bIOTAction)
1830 pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_RTS;
1831
1832 printk("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!IOTAction = %8.8x\n", pHTInfo->IOTAction);
1833 }
1834 else
1835 {
1836 pHTInfo->bCurrentHTSupport = false;
1837 pHTInfo->bCurrentRT2RTAggregation = false;
1838 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1839 pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1840
1841 pHTInfo->IOTAction = 0;
1842 pHTInfo->IOTRaFunc = 0;
1843 }
1844
1845 }
1846
1847 void HTUpdateSelfAndPeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork)
1848 {
1849 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1850 // PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
1851 PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
1852
1853 if(pHTInfo->bCurrentHTSupport)
1854 {
1855 //
1856 // Config current operation mode.
1857 //
1858 if(pNetwork->bssht.bdHTInfoLen != 0)
1859 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
1860
1861 //
1862 // <TODO: Config according to OBSS non-HT STA present!!>
1863 //
1864 }
1865 }
1866
1867 void HTUseDefaultSetting(struct ieee80211_device* ieee)
1868 {
1869 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1870 // u8 regBwOpMode;
1871
1872 if(pHTInfo->bEnableHT)
1873 {
1874 pHTInfo->bCurrentHTSupport = true;
1875
1876 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
1877
1878 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
1879
1880 pHTInfo->bCurShortGI20MHz= pHTInfo->bRegShortGI20MHz;
1881
1882 pHTInfo->bCurShortGI40MHz= pHTInfo->bRegShortGI40MHz;
1883
1884 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
1885
1886 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1887
1888 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
1889
1890 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1891
1892 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
1893
1894 // Set BWOpMode register
1895
1896 //update RATR index0
1897 HTFilterMCSRate(ieee, ieee->Regdot11HTOperationalRateSet, ieee->dot11HTOperationalRateSet);
1898 //function below is not implemented at all. WB
1899 #ifdef TODO
1900 Adapter->HalFunc.InitHalRATRTableHandler( Adapter, &pMgntInfo->dot11OperationalRateSet, pMgntInfo->dot11HTOperationalRateSet);
1901 #endif
1902 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, MCS_FILTER_ALL);
1903 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
1904
1905 }
1906 else
1907 {
1908 pHTInfo->bCurrentHTSupport = false;
1909 }
1910 return;
1911 }
1912 /********************************************************************************************************************
1913 *function: check whether HT control field exists
1914 * input: struct ieee80211_device *ieee
1915 * u8* pFrame //coming skb->data
1916 * output: none
1917 * return: return true if HT control field exists(false otherwise)
1918 * notice:
1919 ********************************************************************************************************************/
1920 u8 HTCCheck(struct ieee80211_device* ieee, u8* pFrame)
1921 {
1922 if(ieee->pHTInfo->bCurrentHTSupport)
1923 {
1924 if( (IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1)
1925 {
1926 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT CONTROL FILED EXIST!!\n");
1927 return true;
1928 }
1929 }
1930 return false;
1931 }
1932
1933 //
1934 // This function set bandwidth mode in protocol layer.
1935 //
1936 void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset)
1937 {
1938 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1939 // u32 flags = 0;
1940
1941 if(pHTInfo->bRegBW40MHz == false)
1942 return;
1943
1944
1945
1946 // To reduce dummy operation
1947 // if((pHTInfo->bCurBW40MHz==false && Bandwidth==HT_CHANNEL_WIDTH_20) ||
1948 // (pHTInfo->bCurBW40MHz==true && Bandwidth==HT_CHANNEL_WIDTH_20_40 && Offset==pHTInfo->CurSTAExtChnlOffset))
1949 // return;
1950
1951 // spin_lock_irqsave(&(ieee->bw_spinlock), flags);
1952 if(pHTInfo->bSwBwInProgress) {
1953 // spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
1954 return;
1955 }
1956 //if in half N mode, set to 20M bandwidth please 09.08.2008 WB.
1957 if(Bandwidth==HT_CHANNEL_WIDTH_20_40 && (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)))
1958 {
1959 // Handle Illegal extention channel offset!!
1960 if(ieee->current_network.channel<2 && Offset==HT_EXTCHNL_OFFSET_LOWER)
1961 Offset = HT_EXTCHNL_OFFSET_NO_EXT;
1962 if(Offset==HT_EXTCHNL_OFFSET_UPPER || Offset==HT_EXTCHNL_OFFSET_LOWER) {
1963 pHTInfo->bCurBW40MHz = true;
1964 pHTInfo->CurSTAExtChnlOffset = Offset;
1965 } else {
1966 pHTInfo->bCurBW40MHz = false;
1967 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1968 }
1969 } else {
1970 pHTInfo->bCurBW40MHz = false;
1971 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1972 }
1973
1974 pHTInfo->bSwBwInProgress = true;
1975
1976 // TODO: 2007.7.13 by Emily Wait 2000ms in order to garantee that switching
1977 // bandwidth is executed after scan is finished. It is a temporal solution
1978 // because software should ganrantee the last operation of switching bandwidth
1979 // is executed properlly.
1980 HTSetConnectBwModeCallback(ieee);
1981
1982 // spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
1983 }
1984
1985 void HTSetConnectBwModeCallback(struct ieee80211_device* ieee)
1986 {
1987 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1988
1989 IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __FUNCTION__);
1990 if(pHTInfo->bCurBW40MHz)
1991 {
1992 if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_UPPER)
1993 ieee->set_chan(ieee->dev, ieee->current_network.channel+2);
1994 else if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_LOWER)
1995 ieee->set_chan(ieee->dev, ieee->current_network.channel-2);
1996 else
1997 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1998
1999 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset);
2000 } else {
2001 ieee->set_chan(ieee->dev, ieee->current_network.channel);
2002 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
2003 }
2004
2005 pHTInfo->bSwBwInProgress = false;
2006 }
2007
2008 EXPORT_SYMBOL(HTUpdateSelfAndPeerSetting);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree