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ext4: fix undefined behavior in ext4_fill_flex_info()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / staging / rtl8192su / ieee80211 / rtl819x_HTProc.c
blob33c7fa7edc8b89098e61affb13b39c42a837a9b9
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
344 if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
345 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
346 (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
347 (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
348 (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
349 (net->ralink_cap_exist))
350 retValue = true;
351 else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
352 (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
353 (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
354 (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ||
355 (net->broadcom_cap_exist))
356 retValue = true;
357 else if(net->bssht.bdRT2RTAggregation)
358 retValue = true;
359 else
360 retValue = false;
361
362 return retValue;
363 }
364
365 /********************************************************************************************************************
366 *function: This function returns peer IOT.
367 * input: struct ieee80211_device* ieee
368 * output: none
369 * return:
370 * notice:
371 * *****************************************************************************************************************/
372 void HTIOTPeerDetermine(struct ieee80211_device* ieee)
373 {
374 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
375 struct ieee80211_network* net = &ieee->current_network;
376 //FIXME: need to decide 92U_SOFTAP //LZM,090320
377 if(net->bssht.bdRT2RTAggregation){
378 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
379 if(net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE){
380 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
381 }
382 }
383 else if(net->broadcom_cap_exist)
384 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
385 else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
386 (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
387 (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
388 (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) )
389 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
390 else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
391 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
392 (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
393 (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
394 (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
395 net->ralink_cap_exist)
396 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
397 else if((net->atheros_cap_exist )||
398 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0)||
399 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
400 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
401 else if(memcmp(net->bssid, CISCO_BROADCOM, 3)==0)
402 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
403 else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
404 net->marvell_cap_exist)
405 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
406 else
407 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
408
409 IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer);
410 }
411 /********************************************************************************************************************
412 *function: Check whether driver should declare received rate up to MCS13 only since some chipset is not good
413 * at receiving MCS14~15 frame from some AP.
414 * input: struct ieee80211_device* ieee
415 * u8 * PeerMacAddr
416 * output: none
417 * return: return 1 if driver should declare MCS13 only(otherwise return 0)
418 * *****************************************************************************************************************/
419 u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr)
420 {
421 u8 ret = 0;
422
423 return ret;
424 }
425
426
427 /**
428 * Function: HTIOTActIsDisableMCS15
429 *
430 * Overview: Check whether driver should declare capability of receving MCS15
431 *
432 * Input:
433 * PADAPTER Adapter,
434 *
435 * Output: None
436 * Return: true if driver should disable MCS15
437 * 2008.04.15 Emily
438 */
439 bool HTIOTActIsDisableMCS15(struct ieee80211_device* ieee)
440 {
441 bool retValue = false;
442
443 #ifdef TODO
444 // Apply for 819u only
445 #if (HAL_CODE_BASE==RTL8192)
446
447 #if (DEV_BUS_TYPE == USB_INTERFACE)
448 // Alway disable MCS15 by Jerry Chang's request.by Emily, 2008.04.15
449 retValue = true;
450 #elif (DEV_BUS_TYPE == PCI_INTERFACE)
451 // Enable MCS15 if the peer is Cisco AP. by Emily, 2008.05.12
452 // if(pBssDesc->bCiscoCapExist)
453 // retValue = false;
454 // else
455 retValue = false;
456 #endif
457 #endif
458 #endif
459 // Jerry Chang suggest that 8190 1x2 does not need to disable MCS15
460
461 return retValue;
462 }
463
464 /**
465 * Function: HTIOTActIsDisableMCSTwoSpatialStream
466 *
467 * Overview: Check whether driver should declare capability of receving All 2 ss packets
468 *
469 * Input:
470 * PADAPTER Adapter,
471 *
472 * Output: None
473 * Return: true if driver should disable all two spatial stream packet
474 * 2008.04.21 Emily
475 */
476 bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device* ieee)
477 {
478 bool retValue = false;
479 #ifdef TODO
480 // Apply for 819u only
481 //#if (HAL_CODE_BASE==RTL8192)
482
483 //This rule only apply to Belkin(Ralink) AP
484 if(IS_UNDER_11N_AES_MODE(Adapter))
485 {
486 if((PlatformCompareMemory(PeerMacAddr, BELKINF5D8233V1_RALINK, 3)==0) ||
487 (PlatformCompareMemory(PeerMacAddr, PCI_RALINK, 3)==0) ||
488 (PlatformCompareMemory(PeerMacAddr, EDIMAX_RALINK, 3)==0))
489 {
490 //Set True to disable this function. Disable by default, Emily, 2008.04.23
491 retValue = false;
492 }
493 }
494
495 //#endif
496 #endif
497 #if 1
498 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
499 if(ieee->is_ap_in_wep_tkip && ieee->is_ap_in_wep_tkip(ieee->dev))
500 {
501 if( (pHTInfo->IOTPeer != HT_IOT_PEER_ATHEROS) &&
502 (pHTInfo->IOTPeer != HT_IOT_PEER_UNKNOWN) &&
503 (pHTInfo->IOTPeer != HT_IOT_PEER_MARVELL) )
504 retValue = true;
505 }
506 #endif
507 return retValue;
508 }
509
510 /********************************************************************************************************************
511 *function: Check whether driver should disable EDCA turbo mode
512 * input: struct ieee80211_device* ieee
513 * u8* PeerMacAddr
514 * output: none
515 * return: return 1 if driver should disable EDCA turbo mode(otherwise return 0)
516 * *****************************************************************************************************************/
517 u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device* ieee, u8* PeerMacAddr)
518 {
519 u8 retValue = false; // default enable EDCA Turbo mode.
520 // Set specific EDCA parameter for different AP in DM handler.
521
522 return retValue;
523 }
524
525 /********************************************************************************************************************
526 *function: Check whether we need to use OFDM to sned MGNT frame for broadcom AP
527 * input: struct ieee80211_network *network //current network we live
528 * output: none
529 * return: return 1 if true
530 * *****************************************************************************************************************/
531 u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network)
532 {
533 u8 retValue = 0;
534
535 // 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP.
536 // 2008/01/28 MH We must prevent that we select null bssid to link.
537
538 if(network->broadcom_cap_exist)
539 {
540 retValue = 1;
541 }
542
543 return retValue;
544 }
545
546 u8 HTIOTActIsForcedCTS2Self(struct ieee80211_network *network)
547 {
548 u8 retValue = 0;
549
550 if(network->marvell_cap_exist)
551 {
552 retValue = 1;
553 }
554
555 return retValue;
556 }
557
558 u8 HTIOTActIsForcedRTSCTS(struct ieee80211_device *ieee, struct ieee80211_network *network)
559 {
560 u8 retValue = 0;
561 printk("============>%s(), %d\n", __FUNCTION__, network->realtek_cap_exit);
562 // Force protection
563 if(ieee->pHTInfo->bCurrentHTSupport)
564 {
565 //if(!network->realtek_cap_exit)
566 if((ieee->pHTInfo->IOTPeer != HT_IOT_PEER_REALTEK)&&
567 (ieee->pHTInfo->IOTPeer != HT_IOT_PEER_REALTEK_92SE))
568 {
569 if((ieee->pHTInfo->IOTAction & HT_IOT_ACT_TX_NO_AGGREGATION) == 0)
570 retValue = 1;
571 }
572 }
573 return retValue;
574 }
575
576 u8
577 HTIOTActIsForcedAMSDU8K(struct ieee80211_device *ieee, struct ieee80211_network *network)
578 {
579 u8 retValue = 0;
580
581 return retValue;
582 }
583
584 u8 HTIOTActIsCCDFsync(u8* PeerMacAddr)
585 {
586 u8 retValue = 0;
587 if( (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) ||
588 (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) ||
589 (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0))
590 {
591 retValue = 1;
592 }
593 return retValue;
594 }
595
596 /*
597 * 819xS single chip b-cut series cannot handle BAR
598 */
599 u8
600 HTIOCActRejcectADDBARequest(struct ieee80211_network *network)
601 {
602 u8 retValue = 0;
603 //if(IS_HARDWARE_TYPE_8192SE(Adapter) ||
604 // IS_HARDWARE_TYPE_8192SU(Adapter)
605 //)
606 {
607 // Do not reject ADDBA REQ because some of the AP may
608 // keep on sending ADDBA REQ qhich cause DHCP fail or ping loss!
609 // by HPFan, 2008/12/30
610
611 //if(pBssDesc->Vender == HT_IOT_PEER_MARVELL)
612 // return FALSE;
613
614 }
615
616 return retValue;
617
618 }
619
620 /*
621 * EDCA parameters bias on downlink
622 */
623 u8
624 HTIOTActIsEDCABiasRx(struct ieee80211_device* ieee,struct ieee80211_network *network)
625 {
626 u8 retValue = 0;
627 //if(IS_HARDWARE_TYPE_8192SU(Adapter))
628 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
629 {
630 //#if UNDER_VISTA
631 // if(pBssDesc->Vender==HT_IOT_PEER_ATHEROS ||
632 // pBssDesc->Vender==HT_IOT_PEER_RALINK)
633 //#else
634 if(pHTInfo->IOTPeer==HT_IOT_PEER_ATHEROS ||
635 pHTInfo->IOTPeer==HT_IOT_PEER_BROADCOM ||
636 pHTInfo->IOTPeer==HT_IOT_PEER_RALINK)
637 //#endif
638 return 1;
639
640 }
641 return retValue;
642 }
643
644 u8
645 HTIOTActDisableShortGI(struct ieee80211_device* ieee,struct ieee80211_network *network)
646 {
647 u8 retValue = 0;
648 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
649
650 if(pHTInfo->IOTPeer==HT_IOT_PEER_RALINK)
651 {
652 if(network->bssht.bdHT1R)
653 retValue = 1;
654 }
655
656 return retValue;
657 }
658
659 u8
660 HTIOTActDisableHighPower(struct ieee80211_device* ieee,struct ieee80211_network *network)
661 {
662 u8 retValue = 0;
663 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
664
665 if(pHTInfo->IOTPeer==HT_IOT_PEER_RALINK)
666 {
667 if(network->bssht.bdHT1R)
668 retValue = 1;
669 }
670
671 return retValue;
672 }
673
674 void
675 HTIOTActDetermineRaFunc(struct ieee80211_device* ieee, bool bPeerRx2ss)
676 {
677 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
678 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
679
680 if(pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
681 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
682
683 if(pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
684 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
685
686 printk("!!!!!!!!!!!!!!!!!!!!!!!!!!!IOTRaFunc = %8.8x\n", pHTInfo->IOTRaFunc);
687 }
688
689
690 u8
691 HTIOTActIsDisableTx40MHz(struct ieee80211_device* ieee,struct ieee80211_network *network)
692 {
693 u8 retValue = 0;
694
695 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
696 if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) ||
697 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) ||
698 (KEY_TYPE_WEP104 == ieee->group_key_type) ||
699 (KEY_TYPE_WEP40 == ieee->group_key_type) ||
700 (KEY_TYPE_TKIP == ieee->pairwise_key_type) )
701 {
702 if((pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) && (network->bssht.bdSupportHT))
703 retValue = 1;
704 }
705
706 return retValue;
707 }
708
709 u8
710 HTIOTActIsTxNoAggregation(struct ieee80211_device* ieee,struct ieee80211_network *network)
711 {
712 u8 retValue = 0;
713
714 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
715 if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) ||
716 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) ||
717 (KEY_TYPE_WEP104 == ieee->group_key_type) ||
718 (KEY_TYPE_WEP40 == ieee->group_key_type) ||
719 (KEY_TYPE_TKIP == ieee->pairwise_key_type) )
720 {
721 if(pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK ||
722 pHTInfo->IOTPeer==HT_IOT_PEER_UNKNOWN)
723 retValue = 1;
724 }
725
726 return retValue;
727 }
728
729
730 u8
731 HTIOTActIsDisableTx2SS(struct ieee80211_device* ieee,struct ieee80211_network *network)
732 {
733 u8 retValue = 0;
734
735 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
736 if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) ||
737 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) ||
738 (KEY_TYPE_WEP104 == ieee->group_key_type) ||
739 (KEY_TYPE_WEP40 == ieee->group_key_type) ||
740 (KEY_TYPE_TKIP == ieee->pairwise_key_type) )
741 {
742 if((pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) && (network->bssht.bdSupportHT))
743 retValue = 1;
744 }
745
746 return retValue;
747 }
748
749
750 bool HTIOCActAllowPeerAggOnePacket(struct ieee80211_device* ieee,struct ieee80211_network *network)
751 {
752 bool retValue = false;
753 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
754 {
755 if(pHTInfo->IOTPeer == HT_IOT_PEER_MARVELL)
756 return true;
757
758 }
759 return retValue;
760 }
761
762 void HTResetIOTSetting(
763 PRT_HIGH_THROUGHPUT pHTInfo
764 )
765 {
766 pHTInfo->IOTAction = 0;
767 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
768 pHTInfo->IOTRaFunc = 0;
769 }
770
771
772 /********************************************************************************************************************
773 *function: Construct Capablility Element in Beacon... if HTEnable is turned on
774 * input: struct ieee80211_device* ieee
775 * u8* posHTCap //pointer to store Capability Ele
776 * u8* len //store length of CE
777 * u8 IsEncrypt //whether encrypt, needed further
778 * output: none
779 * return: none
780 * notice: posHTCap can't be null and should be initialized before.
781 * *****************************************************************************************************************/
782 void HTConstructCapabilityElement(struct ieee80211_device* ieee, u8* posHTCap, u8* len, u8 IsEncrypt)
783 {
784 PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo;
785 PHT_CAPABILITY_ELE pCapELE = NULL;
786 //u8 bIsDeclareMCS13;
787
788 if ((posHTCap == NULL) || (pHT == NULL))
789 {
790 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n");
791 return;
792 }
793 memset(posHTCap, 0, *len);
794 if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
795 {
796 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
797 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
798 pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]);
799 }else
800 {
801 pCapELE = (PHT_CAPABILITY_ELE)posHTCap;
802 }
803
804
805 //HT capability info
806 pCapELE->AdvCoding = 0; // This feature is not supported now!!
807 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
808 {
809 pCapELE->ChlWidth = 0;
810 }
811 else
812 {
813 pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);
814 }
815
816 // pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);
817 pCapELE->MimoPwrSave = pHT->SelfMimoPs;
818 pCapELE->GreenField = 0; // This feature is not supported now!!
819 pCapELE->ShortGI20Mhz = 1; // We can receive Short GI!!
820 pCapELE->ShortGI40Mhz = 1; // We can receive Short GI!!
821 //DbgPrint("TX HT cap/info ele BW=%d SG20=%d SG40=%d\n\r",
822 //pCapELE->ChlWidth, pCapELE->ShortGI20Mhz, pCapELE->ShortGI40Mhz);
823 pCapELE->TxSTBC = 1;
824 pCapELE->RxSTBC = 0;
825 pCapELE->DelayBA = 0; // Do not support now!!
826 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0;
827 pCapELE->DssCCk = ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0);
828 pCapELE->PSMP = 0; // Do not support now!!
829 pCapELE->LSigTxopProtect = 0; // Do not support now!!
830
831
832 //MAC HT parameters info
833 // TODO: Nedd to take care of this part
834 IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
835
836 if( IsEncrypt)
837 {
838 pCapELE->MPDUDensity = 7; // 8us
839 pCapELE->MaxRxAMPDUFactor = 2; // 2 is for 32 K and 3 is 64K
840 }
841 else
842 {
843 pCapELE->MaxRxAMPDUFactor = 3; // 2 is for 32 K and 3 is 64K
844 pCapELE->MPDUDensity = 0; // no density
845 }
846
847 //Supported MCS set
848 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
849 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
850 pCapELE->MCS[1] &= 0x7f;
851
852 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
853 pCapELE->MCS[1] &= 0xbf;
854
855 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
856 pCapELE->MCS[1] &= 0x00;
857
858 // 2008.06.12
859 // For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7.
860 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
861 {
862 int i;
863 for(i = 1; i< 16; i++)
864 pCapELE->MCS[i] = 0;
865 }
866
867 //Extended HT Capability Info
868 memset(&pCapELE->ExtHTCapInfo, 0, 2);
869
870
871 //TXBF Capabilities
872 memset(pCapELE->TxBFCap, 0, 4);
873
874 //Antenna Selection Capabilities
875 pCapELE->ASCap = 0;
876 //add 2 to give space for element ID and len when construct frames
877 if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
878 *len = 30 + 2;
879 else
880 *len = 26 + 2;
881
882
883
884 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTCap, *len -2);
885
886 //Print each field in detail. Driver should not print out this message by default
887 // HTDebugHTCapability(posHTCap, (u8*)"HTConstructCapability()");
888 return;
889
890 }
891 /********************************************************************************************************************
892 *function: Construct Information Element in Beacon... if HTEnable is turned on
893 * input: struct ieee80211_device* ieee
894 * u8* posHTCap //pointer to store Information Ele
895 * u8* len //store len of
896 * u8 IsEncrypt //whether encrypt, needed further
897 * output: none
898 * return: none
899 * notice: posHTCap can't be null and be initialized before. only AP and IBSS sta should do this
900 * *****************************************************************************************************************/
901 void HTConstructInfoElement(struct ieee80211_device* ieee, u8* posHTInfo, u8* len, u8 IsEncrypt)
902 {
903 PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo;
904 PHT_INFORMATION_ELE pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo;
905 if ((posHTInfo == NULL) || (pHTInfoEle == NULL))
906 {
907 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n");
908 return;
909 }
910
911 memset(posHTInfo, 0, *len);
912 if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) //ap mode is not currently supported
913 {
914 pHTInfoEle->ControlChl = ieee->current_network.channel;
915 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT:
916 (ieee->current_network.channel<=6)?
917 HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER);
918 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz;
919 pHTInfoEle->RIFS = 0;
920 pHTInfoEle->PSMPAccessOnly = 0;
921 pHTInfoEle->SrvIntGranularity = 0;
922 pHTInfoEle->OptMode = pHT->CurrentOpMode;
923 pHTInfoEle->NonGFDevPresent = 0;
924 pHTInfoEle->DualBeacon = 0;
925 pHTInfoEle->SecondaryBeacon = 0;
926 pHTInfoEle->LSigTxopProtectFull = 0;
927 pHTInfoEle->PcoActive = 0;
928 pHTInfoEle->PcoPhase = 0;
929
930 memset(pHTInfoEle->BasicMSC, 0, 16);
931
932
933 *len = 22 + 2; //same above
934
935 }
936 else
937 {
938 //STA should not generate High Throughput Information Element
939 *len = 0;
940 }
941 //IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTInfo, *len - 2);
942 //HTDebugHTInfo(posHTInfo, "HTConstructInforElement");
943 return;
944 }
945
946 /*
947 * According to experiment, Realtek AP to STA (based on rtl8190) may achieve best performance
948 * if both STA and AP set limitation of aggregation size to 32K, that is, set AMPDU density to 2
949 * (Ref: IEEE 11n specification). However, if Realtek STA associates to other AP, STA should set
950 * limitation of aggregation size to 8K, otherwise, performance of traffic stream from STA to AP
951 * will be much less than the traffic stream from AP to STA if both of the stream runs concurrently
952 * at the same time.
953 *
954 * Frame Format
955 * Element ID Length OUI Type1 Reserved
956 * 1 byte 1 byte 3 bytes 1 byte 1 byte
957 *
958 * OUI = 0x00, 0xe0, 0x4c,
959 * Type = 0x02
960 * Reserved = 0x00
961 *
962 * 2007.8.21 by Emily
963 */
964 /********************************************************************************************************************
965 *function: Construct Information Element in Beacon... in RT2RT condition
966 * input: struct ieee80211_device* ieee
967 * u8* posRT2RTAgg //pointer to store Information Ele
968 * u8* len //store len
969 * output: none
970 * return: none
971 * notice:
972 * *****************************************************************************************************************/
973 void HTConstructRT2RTAggElement(struct ieee80211_device* ieee, u8* posRT2RTAgg, u8* len)
974 {
975 if (posRT2RTAgg == NULL) {
976 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n");
977 return;
978 }
979 memset(posRT2RTAgg, 0, *len);
980 *posRT2RTAgg++ = 0x00;
981 *posRT2RTAgg++ = 0xe0;
982 *posRT2RTAgg++ = 0x4c;
983 *posRT2RTAgg++ = 0x02;
984 *posRT2RTAgg++ = 0x01;
985 *posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02;
986
987 if(ieee->bSupportRemoteWakeUp) {
988 *posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW;
989 }
990
991 *len = 6 + 2;
992 return;
993 #ifdef TODO
994 #if(HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE)
995 /*
996 //Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this
997 section of code.
998 if(IS_UNDER_11N_AES_MODE(Adapter))
999 {
1000 posRT2RTAgg->Octet[5] |=RT_HT_CAP_USE_AMPDU;
1001 }else
1002 {
1003 posRT2RTAgg->Octet[5] &= 0xfb;
1004 }
1005 */
1006
1007 #else
1008 // Do Nothing
1009 #endif
1010
1011 posRT2RTAgg->Length = 6;
1012 #endif
1013
1014
1015
1016
1017 }
1018
1019
1020 /********************************************************************************************************************
1021 *function: Pick the right Rate Adaptive table to use
1022 * input: struct ieee80211_device* ieee
1023 * u8* pOperateMCS //A pointer to MCS rate bitmap
1024 * return: always we return true
1025 * notice:
1026 * *****************************************************************************************************************/
1027 u8 HT_PickMCSRate(struct ieee80211_device* ieee, u8* pOperateMCS)
1028 {
1029 u8 i;
1030 if (pOperateMCS == NULL)
1031 {
1032 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n");
1033 return false;
1034 }
1035
1036 switch(ieee->mode)
1037 {
1038 case IEEE_A:
1039 case IEEE_B:
1040 case IEEE_G:
1041 //legacy rate routine handled at selectedrate
1042
1043 //no MCS rate
1044 for(i=0;i<=15;i++){
1045 pOperateMCS[i] = 0;
1046 }
1047 break;
1048
1049 case IEEE_N_24G: //assume CCK rate ok
1050 case IEEE_N_5G:
1051 // Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G.
1052 // Legacy part shall be handled at SelectRateSet().
1053
1054 //HT part
1055 // TODO: may be different if we have different number of antenna
1056 pOperateMCS[0] &=RATE_ADPT_1SS_MASK; //support MCS 0~7
1057 pOperateMCS[1] &=RATE_ADPT_2SS_MASK;
1058 pOperateMCS[3] &=RATE_ADPT_MCS32_MASK;
1059 break;
1060
1061 //should never reach here
1062 default:
1063
1064 break;
1065
1066 }
1067
1068 return true;
1069 }
1070
1071 /*
1072 * Description:
1073 * This function will get the highest speed rate in input MCS set.
1074 *
1075 * /param Adapter Pionter to Adapter entity
1076 * pMCSRateSet Pointer to MCS rate bitmap
1077 * pMCSFilter Pointer to MCS rate filter
1078 *
1079 * /return Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter.
1080 *
1081 */
1082 /********************************************************************************************************************
1083 *function: This function will get the highest speed rate in input MCS set.
1084 * input: struct ieee80211_device* ieee
1085 * u8* pMCSRateSet //Pointer to MCS rate bitmap
1086 * u8* pMCSFilter //Pointer to MCS rate filter
1087 * return: Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter
1088 * notice:
1089 * *****************************************************************************************************************/
1090 u8 HTGetHighestMCSRate(struct ieee80211_device* ieee, u8* pMCSRateSet, u8* pMCSFilter)
1091 {
1092 u8 i, j;
1093 u8 bitMap;
1094 u8 mcsRate = 0;
1095 u8 availableMcsRate[16];
1096 if (pMCSRateSet == NULL || pMCSFilter == NULL)
1097 {
1098 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n");
1099 return false;
1100 }
1101 for(i=0; i<16; i++)
1102 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
1103
1104 for(i = 0; i < 16; i++)
1105 {
1106 if(availableMcsRate[i] != 0)
1107 break;
1108 }
1109 if(i == 16)
1110 return false;
1111
1112 for(i = 0; i < 16; i++)
1113 {
1114 if(availableMcsRate[i] != 0)
1115 {
1116 bitMap = availableMcsRate[i];
1117 for(j = 0; j < 8; j++)
1118 {
1119 if((bitMap%2) != 0)
1120 {
1121 if(HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate))
1122 mcsRate = (8*i+j);
1123 }
1124 bitMap = bitMap>>1;
1125 }
1126 }
1127 }
1128 return (mcsRate|0x80);
1129 }
1130
1131
1132
1133 /*
1134 **
1135 **1.Filter our operation rate set with AP's rate set
1136 **2.shall reference channel bandwidth, STBC, Antenna number
1137 **3.generate rate adative table for firmware
1138 **David 20060906
1139 **
1140 ** \pHTSupportedCap: the connected STA's supported rate Capability element
1141 */
1142 u8 HTFilterMCSRate( struct ieee80211_device* ieee, u8* pSupportMCS, u8* pOperateMCS)
1143 {
1144
1145 u8 i=0;
1146
1147 // filter out operational rate set not supported by AP, the lenth of it is 16
1148 for(i=0;i<=15;i++){
1149 pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i]&pSupportMCS[i];
1150 }
1151
1152
1153 // TODO: adjust our operational rate set according to our channel bandwidth, STBC and Antenna number
1154
1155 // TODO: fill suggested rate adaptive rate index and give firmware info using Tx command packet
1156 // we also shall suggested the first start rate set according to our singal strength
1157 HT_PickMCSRate(ieee, pOperateMCS);
1158
1159 // For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7.
1160 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
1161 pOperateMCS[1] = 0;
1162
1163 //
1164 // For RTL819X, we support only MCS0~15.
1165 // And also, we do not know how to use MCS32 now.
1166 //
1167 for(i=2; i<=15; i++)
1168 pOperateMCS[i] = 0;
1169
1170 return true;
1171 }
1172 void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset);
1173
1174 void HTOnAssocRsp(struct ieee80211_device *ieee)
1175 {
1176 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1177 PHT_CAPABILITY_ELE pPeerHTCap = NULL;
1178 PHT_INFORMATION_ELE pPeerHTInfo = NULL;
1179 u16 nMaxAMSDUSize = 0;
1180 u8* pMcsFilter = NULL;
1181
1182 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
1183 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily
1184
1185 if( pHTInfo->bCurrentHTSupport == false )
1186 {
1187 IEEE80211_DEBUG(IEEE80211_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n");
1188 return;
1189 }
1190 IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
1191 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTCapBuf, sizeof(HT_CAPABILITY_ELE));
1192 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTInfoBuf, sizeof(HT_INFORMATION_ELE));
1193
1194 // HTDebugHTCapability(pHTInfo->PeerHTCapBuf,"HTOnAssocRsp_wq");
1195 // HTDebugHTInfo(pHTInfo->PeerHTInfoBuf,"HTOnAssocRsp_wq");
1196 //
1197 if(!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap)))
1198 pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]);
1199 else
1200 pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf);
1201
1202 if(!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
1203 pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]);
1204 else
1205 pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf);
1206
1207
1208 ////////////////////////////////////////////////////////
1209 // Configurations:
1210 ////////////////////////////////////////////////////////
1211 IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE));
1212 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTInfo, sizeof(HT_INFORMATION_ELE));
1213 // Config Supported Channel Width setting
1214 //
1215 HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset));
1216
1217 // if(pHTInfo->bCurBW40MHz == true)
1218 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false);
1219
1220 //
1221 // Update short GI/ long GI setting
1222 //
1223 // TODO:
1224 pHTInfo->bCurShortGI20MHz=
1225 ((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false);
1226 pHTInfo->bCurShortGI40MHz=
1227 ((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false);
1228
1229 //
1230 // Config TX STBC setting
1231 //
1232 // TODO:
1233
1234 //
1235 // Config DSSS/CCK mode in 40MHz mode
1236 //
1237 // TODO:
1238 pHTInfo->bCurSuppCCK =
1239 ((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false);
1240
1241
1242 //
1243 // Config and configure A-MSDU setting
1244 //
1245 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
1246
1247 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935;
1248
1249 if(pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize )
1250 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
1251 else
1252 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1253
1254 //
1255 // Config A-MPDU setting
1256 //
1257 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
1258 if(ieee->is_ap_in_wep_tkip && ieee->is_ap_in_wep_tkip(ieee->dev))
1259 {
1260 if( (pHTInfo->IOTPeer== HT_IOT_PEER_ATHEROS) ||
1261 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN) )
1262 pHTInfo->bCurrentAMPDUEnable = false;
1263 }
1264
1265 // <1> Decide AMPDU Factor
1266
1267 // By Emily
1268 if(!pHTInfo->bRegRT2RTAggregation)
1269 {
1270 // Decide AMPDU Factor according to protocol handshake
1271 if(pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
1272 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1273 else
1274 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1275
1276 }else
1277 {
1278 // Set MPDU density to 2 to Realtek AP, and set it to 0 for others
1279 // Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily
1280 if (ieee->current_network.bssht.bdRT2RTAggregation)
1281 {
1282 if( ieee->pairwise_key_type != KEY_TYPE_NA)
1283 // Realtek may set 32k in security mode and 64k for others
1284 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1285 else
1286 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
1287 }else
1288 {
1289 if(pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
1290 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1291 else
1292 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
1293 }
1294 }
1295
1296 // <2> Set AMPDU Minimum MPDU Start Spacing
1297 // 802.11n 3.0 section 9.7d.3
1298 #if 1
1299 if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
1300 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1301 else
1302 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
1303 if(ieee->pairwise_key_type != KEY_TYPE_NA )
1304 pHTInfo->CurrentMPDUDensity = 7; // 8us
1305 #else
1306 if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
1307 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1308 else
1309 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
1310 #endif
1311 // Force TX AMSDU
1312
1313 // Lanhsin: mark for tmp to avoid deauth by ap from s3
1314 //if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0)
1315 if(pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K)
1316 {
1317
1318 pHTInfo->bCurrentAMPDUEnable = false;
1319 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
1320 pHTInfo->ForcedAMSDUMaxSize = 7935;
1321 }
1322
1323 // Rx Reorder Setting
1324 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
1325
1326 //
1327 // Filter out unsupported HT rate for this AP
1328 // Update RATR table
1329 // This is only for 8190 ,8192 or later product which using firmware to handle rate adaptive mechanism.
1330 //
1331
1332 // Handle Ralink AP bad MCS rate set condition. Joseph.
1333 // This fix the bug of Ralink AP. This may be removed in the future.
1334 if(pPeerHTCap->MCS[0] == 0)
1335 pPeerHTCap->MCS[0] = 0xff;
1336
1337 // Joseph test //LZM ADD 090318
1338 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1])!=0));
1339
1340 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
1341
1342 //
1343 // Config MIMO Power Save setting
1344 //
1345 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
1346 if(pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
1347 pMcsFilter = MCS_FILTER_1SS;
1348 else
1349 pMcsFilter = MCS_FILTER_ALL;
1350 //WB add for MCS8 bug
1351 // pMcsFilter = MCS_FILTER_1SS;
1352 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter);
1353 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
1354
1355 //
1356 // Config current operation mode.
1357 //
1358 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
1359
1360
1361
1362 }
1363
1364 void HTSetConnectBwModeCallback(struct ieee80211_device* ieee);
1365 /********************************************************************************************************************
1366 *function: initialize HT info(struct PRT_HIGH_THROUGHPUT)
1367 * input: struct ieee80211_device* ieee
1368 * output: none
1369 * return: none
1370 * notice: This function is called when * (1) MPInitialization Phase * (2) Receiving of Deauthentication from AP
1371 ********************************************************************************************************************/
1372 // TODO: Should this funciton be called when receiving of Disassociation?
1373 void HTInitializeHTInfo(struct ieee80211_device* ieee)
1374 {
1375 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1376
1377 //
1378 // These parameters will be reset when receiving deauthentication packet
1379 //
1380 IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __FUNCTION__);
1381 pHTInfo->bCurrentHTSupport = false;
1382
1383 // 40MHz channel support
1384 pHTInfo->bCurBW40MHz = false;
1385 pHTInfo->bCurTxBW40MHz = false;
1386
1387 // Short GI support
1388 pHTInfo->bCurShortGI20MHz = false;
1389 pHTInfo->bCurShortGI40MHz = false;
1390 pHTInfo->bForcedShortGI = false;
1391
1392 // CCK rate support
1393 // This flag is set to true to support CCK rate by default.
1394 // It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities only when associate to
1395 // 11N BSS.
1396 pHTInfo->bCurSuppCCK = true;
1397
1398 // AMSDU related
1399 pHTInfo->bCurrent_AMSDU_Support = false;
1400 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1401
1402 // AMPUD related
1403 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1404 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1405
1406
1407
1408 // Initialize all of the parameters related to 11n
1409 memset((void*)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap));
1410 memset((void*)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo));
1411 memset((void*)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf));
1412 memset((void*)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf));
1413
1414 pHTInfo->bSwBwInProgress = false;
1415 pHTInfo->ChnlOp = CHNLOP_NONE;
1416
1417 // Set default IEEE spec for Draft N
1418 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
1419
1420 // Realtek proprietary aggregation mode
1421 pHTInfo->bCurrentRT2RTAggregation = false;
1422 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1423 pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1424
1425 pHTInfo->IOTPeer = 0;
1426 pHTInfo->IOTAction = 0;
1427 pHTInfo->IOTRaFunc = 0;
1428
1429 //MCS rate initialized here
1430 {
1431 u8* RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
1432 RegHTSuppRateSets[0] = 0xFF; //support MCS 0~7
1433 RegHTSuppRateSets[1] = 0xFF; //support MCS 8~15
1434 RegHTSuppRateSets[4] = 0x01; //support MCS 32
1435 }
1436 }
1437 /********************************************************************************************************************
1438 *function: initialize Bss HT structure(struct PBSS_HT)
1439 * input: PBSS_HT pBssHT //to be initialized
1440 * output: none
1441 * return: none
1442 * notice: This function is called when initialize network structure
1443 ********************************************************************************************************************/
1444 void HTInitializeBssDesc(PBSS_HT pBssHT)
1445 {
1446
1447 pBssHT->bdSupportHT = false;
1448 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
1449 pBssHT->bdHTCapLen = 0;
1450 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
1451 pBssHT->bdHTInfoLen = 0;
1452
1453 pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE;
1454
1455 pBssHT->bdRT2RTAggregation = false;
1456 pBssHT->bdRT2RTLongSlotTime = false;
1457 pBssHT->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1458 }
1459
1460 /********************************************************************************************************************
1461 *function: initialize Bss HT structure(struct PBSS_HT)
1462 * input: struct ieee80211_device *ieee
1463 * struct ieee80211_network *pNetwork //usually current network we are live in
1464 * output: none
1465 * return: none
1466 * notice: This function should ONLY be called before association
1467 ********************************************************************************************************************/
1468 void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork)
1469 {
1470 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1471 // u16 nMaxAMSDUSize;
1472 // PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
1473 // PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
1474 // u8* pMcsFilter;
1475 u8 bIOTAction = 0;
1476
1477 //
1478 // Save Peer Setting before Association
1479 //
1480 IEEE80211_DEBUG(IEEE80211_DL_HT, "==============>%s()\n", __FUNCTION__);
1481 /*unmark bEnableHT flag here is the same reason why unmarked in function ieee80211_softmac_new_net. WB 2008.09.10*/
1482 // if( pHTInfo->bEnableHT && pNetwork->bssht.bdSupportHT)
1483 if (pNetwork->bssht.bdSupportHT)
1484 {
1485 pHTInfo->bCurrentHTSupport = true;
1486 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
1487
1488 // Save HTCap and HTInfo information Element
1489 if(pNetwork->bssht.bdHTCapLen > 0 && pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
1490 memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen);
1491
1492 if(pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf))
1493 memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen);
1494
1495 // Check whether RT to RT aggregation mode is enabled
1496 if(pHTInfo->bRegRT2RTAggregation)
1497 {
1498 pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation;
1499 pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime;
1500 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
1501 }
1502 else
1503 {
1504 pHTInfo->bCurrentRT2RTAggregation = false;
1505 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1506 pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1507 }
1508
1509 // Determine the IOT Peer Vendor.
1510 HTIOTPeerDetermine(ieee);
1511
1512 // Decide IOT Action
1513 // Must be called after the parameter of pHTInfo->bCurrentRT2RTAggregation is decided
1514 pHTInfo->IOTAction = 0;
1515 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
1516 if(bIOTAction)
1517 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
1518
1519 bIOTAction = HTIOTActIsDisableMCS15(ieee);
1520 if(bIOTAction)
1521 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
1522
1523 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
1524 if(bIOTAction)
1525 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
1526
1527
1528 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
1529 if(bIOTAction)
1530 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
1531
1532 bIOTAction = HTIOTActIsMgntUseCCK6M(pNetwork);
1533 if(bIOTAction)
1534 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
1535
1536 bIOTAction = HTIOTActIsCCDFsync(pNetwork->bssid);
1537 if(bIOTAction)
1538 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
1539
1540 bIOTAction = HTIOTActIsForcedCTS2Self(pNetwork);
1541 if(bIOTAction)
1542 pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_CTS2SELF;
1543
1544 //bIOTAction = HTIOTActIsForcedRTSCTS(ieee, pNetwork);
1545 //if(bIOTAction)
1546 // pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_RTS;
1547
1548 bIOTAction = HTIOCActRejcectADDBARequest(pNetwork);
1549 if(bIOTAction)
1550 pHTInfo->IOTAction |= HT_IOT_ACT_REJECT_ADDBA_REQ;
1551
1552 bIOTAction = HTIOCActAllowPeerAggOnePacket(ieee, pNetwork);
1553 if(bIOTAction)
1554 pHTInfo->IOTAction |= HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT;
1555
1556 bIOTAction = HTIOTActIsEDCABiasRx(ieee, pNetwork);
1557 if(bIOTAction)
1558 pHTInfo->IOTAction |= HT_IOT_ACT_EDCA_BIAS_ON_RX;
1559
1560 bIOTAction = HTIOTActDisableShortGI(ieee, pNetwork);
1561 if(bIOTAction)
1562 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_SHORT_GI;
1563
1564 bIOTAction = HTIOTActDisableHighPower(ieee, pNetwork);
1565 if(bIOTAction)
1566 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_HIGH_POWER;
1567
1568 bIOTAction = HTIOTActIsForcedAMSDU8K(ieee, pNetwork);
1569 if(bIOTAction)
1570 pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K;
1571
1572 bIOTAction = HTIOTActIsTxNoAggregation(ieee, pNetwork);
1573 if(bIOTAction)
1574 pHTInfo->IOTAction |= HT_IOT_ACT_TX_NO_AGGREGATION;
1575
1576 bIOTAction = HTIOTActIsDisableTx40MHz(ieee, pNetwork);
1577 if(bIOTAction)
1578 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_TX_40_MHZ;
1579
1580 bIOTAction = HTIOTActIsDisableTx2SS(ieee, pNetwork);
1581 if(bIOTAction)
1582 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_TX_2SS;
1583 //must after HT_IOT_ACT_TX_NO_AGGREGATION
1584 bIOTAction = HTIOTActIsForcedRTSCTS(ieee, pNetwork);
1585 if(bIOTAction)
1586 pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_RTS;
1587
1588 printk("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!IOTAction = %8.8x\n", pHTInfo->IOTAction);
1589 }
1590 else
1591 {
1592 pHTInfo->bCurrentHTSupport = false;
1593 pHTInfo->bCurrentRT2RTAggregation = false;
1594 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1595 pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1596
1597 pHTInfo->IOTAction = 0;
1598 pHTInfo->IOTRaFunc = 0;
1599 }
1600
1601 }
1602
1603 void HTUpdateSelfAndPeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork)
1604 {
1605 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1606 // PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
1607 PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
1608
1609 if(pHTInfo->bCurrentHTSupport)
1610 {
1611 //
1612 // Config current operation mode.
1613 //
1614 if(pNetwork->bssht.bdHTInfoLen != 0)
1615 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
1616
1617 //
1618 // <TODO: Config according to OBSS non-HT STA present!!>
1619 //
1620 }
1621 }
1622
1623 void HTUseDefaultSetting(struct ieee80211_device* ieee)
1624 {
1625 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1626 // u8 regBwOpMode;
1627
1628 if(pHTInfo->bEnableHT)
1629 {
1630 pHTInfo->bCurrentHTSupport = true;
1631
1632 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
1633
1634 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
1635
1636 pHTInfo->bCurShortGI20MHz= pHTInfo->bRegShortGI20MHz;
1637
1638 pHTInfo->bCurShortGI40MHz= pHTInfo->bRegShortGI40MHz;
1639
1640 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
1641
1642 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1643
1644 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
1645
1646 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1647
1648 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
1649
1650 // Set BWOpMode register
1651
1652 //update RATR index0
1653 HTFilterMCSRate(ieee, ieee->Regdot11HTOperationalRateSet, ieee->dot11HTOperationalRateSet);
1654 //function below is not implemented at all. WB
1655 #ifdef TODO
1656 Adapter->HalFunc.InitHalRATRTableHandler( Adapter, &pMgntInfo->dot11OperationalRateSet, pMgntInfo->dot11HTOperationalRateSet);
1657 #endif
1658 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, MCS_FILTER_ALL);
1659 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
1660
1661 }
1662 else
1663 {
1664 pHTInfo->bCurrentHTSupport = false;
1665 }
1666 return;
1667 }
1668 /********************************************************************************************************************
1669 *function: check whether HT control field exists
1670 * input: struct ieee80211_device *ieee
1671 * u8* pFrame //coming skb->data
1672 * output: none
1673 * return: return true if HT control field exists(false otherwise)
1674 * notice:
1675 ********************************************************************************************************************/
1676 u8 HTCCheck(struct ieee80211_device* ieee, u8* pFrame)
1677 {
1678 if(ieee->pHTInfo->bCurrentHTSupport)
1679 {
1680 if( (IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1)
1681 {
1682 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT CONTROL FILED EXIST!!\n");
1683 return true;
1684 }
1685 }
1686 return false;
1687 }
1688
1689 //
1690 // This function set bandwidth mode in protocol layer.
1691 //
1692 void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset)
1693 {
1694 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1695 // u32 flags = 0;
1696
1697 if(pHTInfo->bRegBW40MHz == false)
1698 return;
1699
1700
1701
1702 // To reduce dummy operation
1703 // if((pHTInfo->bCurBW40MHz==false && Bandwidth==HT_CHANNEL_WIDTH_20) ||
1704 // (pHTInfo->bCurBW40MHz==true && Bandwidth==HT_CHANNEL_WIDTH_20_40 && Offset==pHTInfo->CurSTAExtChnlOffset))
1705 // return;
1706
1707 // spin_lock_irqsave(&(ieee->bw_spinlock), flags);
1708 if(pHTInfo->bSwBwInProgress) {
1709 // spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
1710 return;
1711 }
1712 //if in half N mode, set to 20M bandwidth please 09.08.2008 WB.
1713 if(Bandwidth==HT_CHANNEL_WIDTH_20_40 && (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)))
1714 {
1715 // Handle Illegal extention channel offset!!
1716 if(ieee->current_network.channel<2 && Offset==HT_EXTCHNL_OFFSET_LOWER)
1717 Offset = HT_EXTCHNL_OFFSET_NO_EXT;
1718 if(Offset==HT_EXTCHNL_OFFSET_UPPER || Offset==HT_EXTCHNL_OFFSET_LOWER) {
1719 pHTInfo->bCurBW40MHz = true;
1720 pHTInfo->CurSTAExtChnlOffset = Offset;
1721 } else {
1722 pHTInfo->bCurBW40MHz = false;
1723 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1724 }
1725 } else {
1726 pHTInfo->bCurBW40MHz = false;
1727 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1728 }
1729
1730 pHTInfo->bSwBwInProgress = true;
1731
1732 // TODO: 2007.7.13 by Emily Wait 2000ms in order to garantee that switching
1733 // bandwidth is executed after scan is finished. It is a temporal solution
1734 // because software should ganrantee the last operation of switching bandwidth
1735 // is executed properlly.
1736 HTSetConnectBwModeCallback(ieee);
1737
1738 // spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
1739 }
1740
1741 void HTSetConnectBwModeCallback(struct ieee80211_device* ieee)
1742 {
1743 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1744
1745 IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __FUNCTION__);
1746 if(pHTInfo->bCurBW40MHz)
1747 {
1748 if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_UPPER)
1749 ieee->set_chan(ieee->dev, ieee->current_network.channel+2);
1750 else if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_LOWER)
1751 ieee->set_chan(ieee->dev, ieee->current_network.channel-2);
1752 else
1753 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1754
1755 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset);
1756 } else {
1757 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1758 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
1759 }
1760
1761 pHTInfo->bSwBwInProgress = false;
1762 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree