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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / staging / rtl8192u / ieee80211 / rtl819x_HTProc.c
blob50f4f5943e754a2ad39fc49d549292f334203704
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[3] = {0x00, 0x1c, 0xf0};
42 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
43
44 // 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we put the
45 // code in other place??
46 //static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96};
47 /********************************************************************************************************************
48 *function: This function update default settings in pHTInfo structure
49 * input: PRT_HIGH_THROUGHPUT pHTInfo
50 * output: none
51 * return: none
52 * notice: These value need be modified if any changes.
53 * *****************************************************************************************************************/
54 void HTUpdateDefaultSetting(struct ieee80211_device* ieee)
55 {
56 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
57 //const typeof( ((struct ieee80211_device *)0)->pHTInfo ) *__mptr = &pHTInfo;
58
59 //printk("pHTinfo:%p, &pHTinfo:%p, mptr:%p, offsetof:%x\n", pHTInfo, &pHTInfo, __mptr, offsetof(struct ieee80211_device, pHTInfo));
60 //printk("===>ieee:%p,\n", ieee);
61 // ShortGI support
62 pHTInfo->bRegShortGI20MHz= 1;
63 pHTInfo->bRegShortGI40MHz= 1;
64
65 // 40MHz channel support
66 pHTInfo->bRegBW40MHz = 1;
67
68 // CCK rate support in 40MHz channel
69 if(pHTInfo->bRegBW40MHz)
70 pHTInfo->bRegSuppCCK = 1;
71 else
72 pHTInfo->bRegSuppCCK = true;
73
74 // AMSDU related
75 pHTInfo->nAMSDU_MaxSize = 7935UL;
76 pHTInfo->bAMSDU_Support = 0;
77
78 // AMPDU related
79 pHTInfo->bAMPDUEnable = 1;
80 pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k)
81 pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec
82
83 // MIMO Power Save
84 pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.)
85 if(pHTInfo->SelfMimoPs == 2)
86 pHTInfo->SelfMimoPs = 3;
87 // 8190 only. Assign rate operation mode to firmware
88 ieee->bTxDisableRateFallBack = 0;
89 ieee->bTxUseDriverAssingedRate = 0;
90
91 #ifdef TO_DO_LIST
92 // 8190 only. Assign duration operation mode to firmware
93 pMgntInfo->bTxEnableFwCalcDur = (BOOLEAN)pNdisCommon->bRegTxEnableFwCalcDur;
94 #endif
95 // 8190 only, Realtek proprietary aggregation mode
96 // Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others
97 pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others
98
99 // For Rx Reorder Control
100 pHTInfo->bRegRxReorderEnable = 1;
101 pHTInfo->RxReorderWinSize = 64;
102 pHTInfo->RxReorderPendingTime = 30;
103
104 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
105 pHTInfo->UsbTxAggrNum = 4;
106 #endif
107 #ifdef USB_RX_AGGREGATION_SUPPORT
108 pHTInfo->UsbRxFwAggrEn = 1;
109 pHTInfo->UsbRxFwAggrPageNum = 24;
110 pHTInfo->UsbRxFwAggrPacketNum = 8;
111 pHTInfo->UsbRxFwAggrTimeout = 16; ////usb rx FW aggregation timeout threshold.It's in units of 64us
112 #endif
113
114
115 }
116 /********************************************************************************************************************
117 *function: This function print out each field on HT capability IE mainly from (Beacon/ProbeRsp/AssocReq)
118 * input: u8* CapIE //Capability IE to be printed out
119 * u8* TitleString //mainly print out caller function
120 * output: none
121 * return: none
122 * notice: Driver should not print out this message by default.
123 * *****************************************************************************************************************/
124 void HTDebugHTCapability(u8* CapIE, u8* TitleString )
125 {
126
127 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
128 PHT_CAPABILITY_ELE pCapELE;
129
130 if(!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap)))
131 {
132 //EWC IE
133 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__);
134 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[4]);
135 }else
136 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[0]);
137
138 IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString );
139
140 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth)?"20MHz": "20/40MHz");
141 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz)?"YES": "NO");
142 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz)?"YES": "NO");
143 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC)?"YES": "NO");
144 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize)?"3839": "7935");
145 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk)?"YES": "NO");
146 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor);
147 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMPDU Density = %d\n", pCapELE->MPDUDensity);
148 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\
149 pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]);
150 return;
151
152 }
153 /********************************************************************************************************************
154 *function: This function print out each field on HT Information IE mainly from (Beacon/ProbeRsp)
155 * input: u8* InfoIE //Capability IE to be printed out
156 * u8* TitleString //mainly print out caller function
157 * output: none
158 * return: none
159 * notice: Driver should not print out this message by default.
160 * *****************************************************************************************************************/
161 void HTDebugHTInfo(u8* InfoIE, u8* TitleString)
162 {
163
164 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily
165 PHT_INFORMATION_ELE pHTInfoEle;
166
167 if(!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
168 {
169 // Not EWC IE
170 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__);
171 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]);
172 }else
173 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]);
174
175
176 IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString);
177
178 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl);
179 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSenondary channel =");
180 switch(pHTInfoEle->ExtChlOffset)
181 {
182 case 0:
183 IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n");
184 break;
185 case 1:
186 IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n");
187 break;
188 case 2:
189 IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n");
190 break;
191 case 3:
192 IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n");
193 break;
194 }
195 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth)?"20Mhz": "40Mhz");
196
197 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = ");
198 switch(pHTInfoEle->OptMode)
199 {
200 case 0:
201 IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n");
202 break;
203 case 1:
204 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n");
205 break;
206 case 2:
207 IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n");
208 break;
209 case 3:
210 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n");
211 break;
212 }
213
214 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\
215 pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]);
216 return;
217 }
218
219 /*
220 * Return: true if station in half n mode and AP supports 40 bw
221 */
222 bool IsHTHalfNmode40Bandwidth(struct ieee80211_device* ieee)
223 {
224 bool retValue = false;
225 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
226
227 if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode
228 retValue = false;
229 else if(pHTInfo->bRegBW40MHz == false) // station supports 40 bw
230 retValue = false;
231 else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) // station in half n mode
232 retValue = false;
233 else if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ChlWidth) // ap support 40 bw
234 retValue = true;
235 else
236 retValue = false;
237
238 return retValue;
239 }
240
241 bool IsHTHalfNmodeSGI(struct ieee80211_device* ieee, bool is40MHz)
242 {
243 bool retValue = false;
244 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
245
246 if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode
247 retValue = false;
248 else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) // station in half n mode
249 retValue = false;
250 else if(is40MHz) // ap support 40 bw
251 {
252 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI40Mhz) // ap support 40 bw short GI
253 retValue = true;
254 else
255 retValue = false;
256 }
257 else
258 {
259 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI20Mhz) // ap support 40 bw short GI
260 retValue = true;
261 else
262 retValue = false;
263 }
264
265 return retValue;
266 }
267
268 u16 HTHalfMcsToDataRate(struct ieee80211_device* ieee, u8 nMcsRate)
269 {
270
271 u8 is40MHz;
272 u8 isShortGI;
273
274 is40MHz = (IsHTHalfNmode40Bandwidth(ieee))?1:0;
275 isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz))? 1:0;
276
277 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
278 }
279
280
281 u16 HTMcsToDataRate( struct ieee80211_device* ieee, u8 nMcsRate)
282 {
283 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
284
285 u8 is40MHz = (pHTInfo->bCurBW40MHz)?1:0;
286 u8 isShortGI = (pHTInfo->bCurBW40MHz)?
287 ((pHTInfo->bCurShortGI40MHz)?1:0):
288 ((pHTInfo->bCurShortGI20MHz)?1:0);
289 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
290 }
291
292 /********************************************************************************************************************
293 *function: This function returns current datarate.
294 * input: struct ieee80211_device* ieee
295 * u8 nDataRate
296 * output: none
297 * return: tx rate
298 * notice: quite unsure about how to use this function //wb
299 * *****************************************************************************************************************/
300 u16 TxCountToDataRate( struct ieee80211_device* ieee, u8 nDataRate)
301 {
302 //PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
303 u16 CCKOFDMRate[12] = {0x02 , 0x04 , 0x0b , 0x16 , 0x0c , 0x12 , 0x18 , 0x24 , 0x30 , 0x48 , 0x60 , 0x6c};
304 u8 is40MHz = 0;
305 u8 isShortGI = 0;
306
307 if(nDataRate < 12)
308 {
309 return CCKOFDMRate[nDataRate];
310 }
311 else
312 {
313 if (nDataRate >= 0x10 && nDataRate <= 0x1f)//if(nDataRate > 11 && nDataRate < 28 )
314 {
315 is40MHz = 0;
316 isShortGI = 0;
317
318 // nDataRate = nDataRate - 12;
319 }
320 else if(nDataRate >=0x20 && nDataRate <= 0x2f ) //(27, 44)
321 {
322 is40MHz = 1;
323 isShortGI = 0;
324
325 //nDataRate = nDataRate - 28;
326 }
327 else if(nDataRate >= 0x30 && nDataRate <= 0x3f ) //(43, 60)
328 {
329 is40MHz = 0;
330 isShortGI = 1;
331
332 //nDataRate = nDataRate - 44;
333 }
334 else if(nDataRate >= 0x40 && nDataRate <= 0x4f ) //(59, 76)
335 {
336 is40MHz = 1;
337 isShortGI = 1;
338
339 //nDataRate = nDataRate - 60;
340 }
341 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
342 }
343 }
344
345
346
347 bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee)
348 {
349 bool retValue = false;
350 struct ieee80211_network* net = &ieee->current_network;
351 if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
352 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
353 (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
354 (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
355 (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
356 (net->ralink_cap_exist))
357 retValue = true;
358 else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
359 (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
360 (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
361 (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ||
362 (net->broadcom_cap_exist))
363 retValue = true;
364 else if(net->bssht.bdRT2RTAggregation)
365 retValue = true;
366 else
367 retValue = false;
368
369 return retValue;
370 }
371
372 /********************************************************************************************************************
373 *function: This function returns peer IOT.
374 * input: struct ieee80211_device* ieee
375 * output: none
376 * return:
377 * notice:
378 * *****************************************************************************************************************/
379 void HTIOTPeerDetermine(struct ieee80211_device* ieee)
380 {
381 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
382 struct ieee80211_network* net = &ieee->current_network;
383 if(net->bssht.bdRT2RTAggregation)
384 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
385 else if(net->broadcom_cap_exist)
386 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
387 else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
388 (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
389 (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
390 (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) )
391 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
392 else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
393 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
394 (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
395 (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
396 (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
397 net->ralink_cap_exist)
398 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
399 else if(net->atheros_cap_exist)
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
404 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
405
406 IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer);
407 }
408 /********************************************************************************************************************
409 *function: Check whether driver should declare received rate up to MCS13 only since some chipset is not good
410 * at receiving MCS14~15 frame from some AP.
411 * input: struct ieee80211_device* ieee
412 * u8 * PeerMacAddr
413 * output: none
414 * return: return 1 if driver should declare MCS13 only(otherwise return 0)
415 * *****************************************************************************************************************/
416 u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr)
417 {
418 u8 ret = 0;
419 return ret;
420 }
421
422
423 /**
424 * Function: HTIOTActIsDisableMCS15
425 *
426 * Overview: Check whether driver should declare capability of receving MCS15
427 *
428 * Input:
429 * PADAPTER Adapter,
430 *
431 * Output: None
432 * Return: true if driver should disable MCS15
433 * 2008.04.15 Emily
434 */
435 bool HTIOTActIsDisableMCS15(struct ieee80211_device* ieee)
436 {
437 bool retValue = false;
438
439 #ifdef TODO
440 // Apply for 819u only
441 #if (HAL_CODE_BASE==RTL8192)
442
443 #if (DEV_BUS_TYPE == USB_INTERFACE)
444 // Alway disable MCS15 by Jerry Chang's request.by Emily, 2008.04.15
445 retValue = true;
446 #elif (DEV_BUS_TYPE == PCI_INTERFACE)
447 // Enable MCS15 if the peer is Cisco AP. by Emily, 2008.05.12
448 // if(pBssDesc->bCiscoCapExist)
449 // retValue = false;
450 // else
451 retValue = false;
452 #endif
453 #endif
454 #endif
455 // Jerry Chang suggest that 8190 1x2 does not need to disable MCS15
456
457 return retValue;
458 }
459
460 /**
461 * Function: HTIOTActIsDisableMCSTwoSpatialStream
462 *
463 * Overview: Check whether driver should declare capability of receving All 2 ss packets
464 *
465 * Input:
466 * PADAPTER Adapter,
467 *
468 * Output: None
469 * Return: true if driver should disable all two spatial stream packet
470 * 2008.04.21 Emily
471 */
472 bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device* ieee, u8 *PeerMacAddr)
473 {
474 bool retValue = false;
475
476 #ifdef TODO
477 // Apply for 819u only
478 #endif
479 return retValue;
480 }
481
482 /********************************************************************************************************************
483 *function: Check whether driver should disable EDCA turbo mode
484 * input: struct ieee80211_device* ieee
485 * u8* PeerMacAddr
486 * output: none
487 * return: return 1 if driver should disable EDCA turbo mode(otherwise return 0)
488 * *****************************************************************************************************************/
489 u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device* ieee, u8* PeerMacAddr)
490 {
491 u8 retValue = false; // default enable EDCA Turbo mode.
492 // Set specific EDCA parameter for different AP in DM handler.
493
494 return retValue;
495 }
496
497 /********************************************************************************************************************
498 *function: Check whether we need to use OFDM to sned MGNT frame for broadcom AP
499 * input: struct ieee80211_network *network //current network we live
500 * output: none
501 * return: return 1 if true
502 * *****************************************************************************************************************/
503 u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network)
504 {
505 u8 retValue = 0;
506
507 // 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP.
508 // 2008/01/28 MH We must prevent that we select null bssid to link.
509
510 if(network->broadcom_cap_exist)
511 {
512 retValue = 1;
513 }
514
515 return retValue;
516 }
517
518 u8 HTIOTActIsCCDFsync(u8* PeerMacAddr)
519 {
520 u8 retValue = 0;
521 if( (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) ||
522 (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) ||
523 (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0))
524 {
525 retValue = 1;
526 }
527
528 return retValue;
529 }
530
531 void HTResetIOTSetting(
532 PRT_HIGH_THROUGHPUT pHTInfo
533 )
534 {
535 pHTInfo->IOTAction = 0;
536 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
537 }
538
539
540 /********************************************************************************************************************
541 *function: Construct Capablility Element in Beacon... if HTEnable is turned on
542 * input: struct ieee80211_device* ieee
543 * u8* posHTCap //pointer to store Capability Ele
544 * u8* len //store length of CE
545 * u8 IsEncrypt //whether encrypt, needed further
546 * output: none
547 * return: none
548 * notice: posHTCap can't be null and should be initialized before.
549 * *****************************************************************************************************************/
550 void HTConstructCapabilityElement(struct ieee80211_device* ieee, u8* posHTCap, u8* len, u8 IsEncrypt)
551 {
552 PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo;
553 PHT_CAPABILITY_ELE pCapELE = NULL;
554 //u8 bIsDeclareMCS13;
555
556 if ((posHTCap == NULL) || (pHT == NULL))
557 {
558 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n");
559 return;
560 }
561 memset(posHTCap, 0, *len);
562 if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
563 {
564 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
565 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
566 pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]);
567 }else
568 {
569 pCapELE = (PHT_CAPABILITY_ELE)posHTCap;
570 }
571
572
573 //HT capability info
574 pCapELE->AdvCoding = 0; // This feature is not supported now!!
575 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
576 {
577 pCapELE->ChlWidth = 0;
578 }
579 else
580 {
581 pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);
582 }
583
584 // pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);
585 pCapELE->MimoPwrSave = pHT->SelfMimoPs;
586 pCapELE->GreenField = 0; // This feature is not supported now!!
587 pCapELE->ShortGI20Mhz = 1; // We can receive Short GI!!
588 pCapELE->ShortGI40Mhz = 1; // We can receive Short GI!!
589 //DbgPrint("TX HT cap/info ele BW=%d SG20=%d SG40=%d\n\r",
590 //pCapELE->ChlWidth, pCapELE->ShortGI20Mhz, pCapELE->ShortGI40Mhz);
591 pCapELE->TxSTBC = 1;
592 pCapELE->RxSTBC = 0;
593 pCapELE->DelayBA = 0; // Do not support now!!
594 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0;
595 pCapELE->DssCCk = ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0);
596 pCapELE->PSMP = 0; // Do not support now!!
597 pCapELE->LSigTxopProtect = 0; // Do not support now!!
598
599
600 //MAC HT parameters info
601 // TODO: Nedd to take care of this part
602 IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
603
604 if( IsEncrypt)
605 {
606 pCapELE->MPDUDensity = 7; // 8us
607 pCapELE->MaxRxAMPDUFactor = 2; // 2 is for 32 K and 3 is 64K
608 }
609 else
610 {
611 pCapELE->MaxRxAMPDUFactor = 3; // 2 is for 32 K and 3 is 64K
612 pCapELE->MPDUDensity = 0; // no density
613 }
614
615 //Supported MCS set
616 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
617 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
618 pCapELE->MCS[1] &= 0x7f;
619
620 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
621 pCapELE->MCS[1] &= 0xbf;
622
623 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
624 pCapELE->MCS[1] &= 0x00;
625
626 // 2008.06.12
627 // For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7.
628 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
629 {
630 int i;
631 for(i = 1; i< 16; i++)
632 pCapELE->MCS[i] = 0;
633 }
634
635 //Extended HT Capability Info
636 memset(&pCapELE->ExtHTCapInfo, 0, 2);
637
638
639 //TXBF Capabilities
640 memset(pCapELE->TxBFCap, 0, 4);
641
642 //Antenna Selection Capabilities
643 pCapELE->ASCap = 0;
644 //add 2 to give space for element ID and len when construct frames
645 if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
646 *len = 30 + 2;
647 else
648 *len = 26 + 2;
649
650
651
652 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTCap, *len -2);
653
654 //Print each field in detail. Driver should not print out this message by default
655 // HTDebugHTCapability(posHTCap, (u8*)"HTConstructCapability()");
656 return;
657
658 }
659 /********************************************************************************************************************
660 *function: Construct Information Element in Beacon... if HTEnable is turned on
661 * input: struct ieee80211_device* ieee
662 * u8* posHTCap //pointer to store Information Ele
663 * u8* len //store len of
664 * u8 IsEncrypt //whether encrypt, needed further
665 * output: none
666 * return: none
667 * notice: posHTCap can't be null and be initialized before. only AP and IBSS sta should do this
668 * *****************************************************************************************************************/
669 void HTConstructInfoElement(struct ieee80211_device* ieee, u8* posHTInfo, u8* len, u8 IsEncrypt)
670 {
671 PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo;
672 PHT_INFORMATION_ELE pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo;
673 if ((posHTInfo == NULL) || (pHTInfoEle == NULL))
674 {
675 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n");
676 return;
677 }
678
679 memset(posHTInfo, 0, *len);
680 if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) //ap mode is not currently supported
681 {
682 pHTInfoEle->ControlChl = ieee->current_network.channel;
683 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT:
684 (ieee->current_network.channel<=6)?
685 HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER);
686 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz;
687 pHTInfoEle->RIFS = 0;
688 pHTInfoEle->PSMPAccessOnly = 0;
689 pHTInfoEle->SrvIntGranularity = 0;
690 pHTInfoEle->OptMode = pHT->CurrentOpMode;
691 pHTInfoEle->NonGFDevPresent = 0;
692 pHTInfoEle->DualBeacon = 0;
693 pHTInfoEle->SecondaryBeacon = 0;
694 pHTInfoEle->LSigTxopProtectFull = 0;
695 pHTInfoEle->PcoActive = 0;
696 pHTInfoEle->PcoPhase = 0;
697
698 memset(pHTInfoEle->BasicMSC, 0, 16);
699
700
701 *len = 22 + 2; //same above
702
703 }
704 else
705 {
706 //STA should not generate High Throughput Information Element
707 *len = 0;
708 }
709 //IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTInfo, *len - 2);
710 //HTDebugHTInfo(posHTInfo, "HTConstructInforElement");
711 return;
712 }
713
714 /*
715 * According to experiment, Realtek AP to STA (based on rtl8190) may achieve best performance
716 * if both STA and AP set limitation of aggregation size to 32K, that is, set AMPDU density to 2
717 * (Ref: IEEE 11n specification). However, if Realtek STA associates to other AP, STA should set
718 * limitation of aggregation size to 8K, otherwise, performance of traffic stream from STA to AP
719 * will be much less than the traffic stream from AP to STA if both of the stream runs concurrently
720 * at the same time.
721 *
722 * Frame Format
723 * Element ID Length OUI Type1 Reserved
724 * 1 byte 1 byte 3 bytes 1 byte 1 byte
725 *
726 * OUI = 0x00, 0xe0, 0x4c,
727 * Type = 0x02
728 * Reserved = 0x00
729 *
730 * 2007.8.21 by Emily
731 */
732 /********************************************************************************************************************
733 *function: Construct Information Element in Beacon... in RT2RT condition
734 * input: struct ieee80211_device* ieee
735 * u8* posRT2RTAgg //pointer to store Information Ele
736 * u8* len //store len
737 * output: none
738 * return: none
739 * notice:
740 * *****************************************************************************************************************/
741 void HTConstructRT2RTAggElement(struct ieee80211_device* ieee, u8* posRT2RTAgg, u8* len)
742 {
743 if (posRT2RTAgg == NULL) {
744 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n");
745 return;
746 }
747 memset(posRT2RTAgg, 0, *len);
748 *posRT2RTAgg++ = 0x00;
749 *posRT2RTAgg++ = 0xe0;
750 *posRT2RTAgg++ = 0x4c;
751 *posRT2RTAgg++ = 0x02;
752 *posRT2RTAgg++ = 0x01;
753 *posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02;
754
755 if(ieee->bSupportRemoteWakeUp) {
756 *posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW;
757 }
758
759 *len = 6 + 2;
760 return;
761 #ifdef TODO
762 #if (HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE)
763 /*
764 //Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this
765 section of code.
766 if(IS_UNDER_11N_AES_MODE(Adapter))
767 {
768 posRT2RTAgg->Octet[5] |=RT_HT_CAP_USE_AMPDU;
769 }else
770 {
771 posRT2RTAgg->Octet[5] &= 0xfb;
772 }
773 */
774
775 #else
776 // Do Nothing
777 #endif
778
779 posRT2RTAgg->Length = 6;
780 #endif
781
782
783
784
785 }
786
787
788 /********************************************************************************************************************
789 *function: Pick the right Rate Adaptive table to use
790 * input: struct ieee80211_device* ieee
791 * u8* pOperateMCS //A pointer to MCS rate bitmap
792 * return: always we return true
793 * notice:
794 * *****************************************************************************************************************/
795 u8 HT_PickMCSRate(struct ieee80211_device* ieee, u8* pOperateMCS)
796 {
797 u8 i;
798 if (pOperateMCS == NULL)
799 {
800 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n");
801 return false;
802 }
803
804 switch(ieee->mode)
805 {
806 case IEEE_A:
807 case IEEE_B:
808 case IEEE_G:
809 //legacy rate routine handled at selectedrate
810
811 //no MCS rate
812 for(i=0;i<=15;i++){
813 pOperateMCS[i] = 0;
814 }
815 break;
816
817 case IEEE_N_24G: //assume CCK rate ok
818 case IEEE_N_5G:
819 // Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G.
820 // Legacy part shall be handled at SelectRateSet().
821
822 //HT part
823 // TODO: may be different if we have different number of antenna
824 pOperateMCS[0] &=RATE_ADPT_1SS_MASK; //support MCS 0~7
825 pOperateMCS[1] &=RATE_ADPT_2SS_MASK;
826 pOperateMCS[3] &=RATE_ADPT_MCS32_MASK;
827 break;
828
829 //should never reach here
830 default:
831
832 break;
833
834 }
835
836 return true;
837 }
838
839 /*
840 * Description:
841 * This function will get the highest speed rate in input MCS set.
842 *
843 * /param Adapter Pionter to Adapter entity
844 * pMCSRateSet Pointer to MCS rate bitmap
845 * pMCSFilter Pointer to MCS rate filter
846 *
847 * /return Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter.
848 *
849 */
850 /********************************************************************************************************************
851 *function: This function will get the highest speed rate in input MCS set.
852 * input: struct ieee80211_device* ieee
853 * u8* pMCSRateSet //Pointer to MCS rate bitmap
854 * u8* pMCSFilter //Pointer to MCS rate filter
855 * return: Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter
856 * notice:
857 * *****************************************************************************************************************/
858 u8 HTGetHighestMCSRate(struct ieee80211_device* ieee, u8* pMCSRateSet, u8* pMCSFilter)
859 {
860 u8 i, j;
861 u8 bitMap;
862 u8 mcsRate = 0;
863 u8 availableMcsRate[16];
864 if (pMCSRateSet == NULL || pMCSFilter == NULL)
865 {
866 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n");
867 return false;
868 }
869 for(i=0; i<16; i++)
870 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
871
872 for(i = 0; i < 16; i++)
873 {
874 if(availableMcsRate[i] != 0)
875 break;
876 }
877 if(i == 16)
878 return false;
879
880 for(i = 0; i < 16; i++)
881 {
882 if(availableMcsRate[i] != 0)
883 {
884 bitMap = availableMcsRate[i];
885 for(j = 0; j < 8; j++)
886 {
887 if((bitMap%2) != 0)
888 {
889 if(HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate))
890 mcsRate = (8*i+j);
891 }
892 bitMap = bitMap>>1;
893 }
894 }
895 }
896 return (mcsRate|0x80);
897 }
898
899
900
901 /*
902 **
903 **1.Filter our operation rate set with AP's rate set
904 **2.shall reference channel bandwidth, STBC, Antenna number
905 **3.generate rate adative table for firmware
906 **David 20060906
907 **
908 ** \pHTSupportedCap: the connected STA's supported rate Capability element
909 */
910 u8 HTFilterMCSRate( struct ieee80211_device* ieee, u8* pSupportMCS, u8* pOperateMCS)
911 {
912
913 u8 i=0;
914
915 // filter out operational rate set not supported by AP, the lenth of it is 16
916 for(i=0;i<=15;i++){
917 pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i]&pSupportMCS[i];
918 }
919
920
921 // TODO: adjust our operational rate set according to our channel bandwidth, STBC and Antenna number
922
923 // TODO: fill suggested rate adaptive rate index and give firmware info using Tx command packet
924 // we also shall suggested the first start rate set according to our singal strength
925 HT_PickMCSRate(ieee, pOperateMCS);
926
927 // For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7.
928 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
929 pOperateMCS[1] = 0;
930
931 //
932 // For RTL819X, we support only MCS0~15.
933 // And also, we do not know how to use MCS32 now.
934 //
935 for(i=2; i<=15; i++)
936 pOperateMCS[i] = 0;
937
938 return true;
939 }
940 void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset);
941 void HTOnAssocRsp(struct ieee80211_device *ieee)
942 {
943 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
944 PHT_CAPABILITY_ELE pPeerHTCap = NULL;
945 PHT_INFORMATION_ELE pPeerHTInfo = NULL;
946 u16 nMaxAMSDUSize = 0;
947 u8* pMcsFilter = NULL;
948
949 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
950 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily
951
952 if( pHTInfo->bCurrentHTSupport == false )
953 {
954 IEEE80211_DEBUG(IEEE80211_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n");
955 return;
956 }
957 IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
958 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTCapBuf, sizeof(HT_CAPABILITY_ELE));
959 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTInfoBuf, sizeof(HT_INFORMATION_ELE));
960
961 // HTDebugHTCapability(pHTInfo->PeerHTCapBuf,"HTOnAssocRsp_wq");
962 // HTDebugHTInfo(pHTInfo->PeerHTInfoBuf,"HTOnAssocRsp_wq");
963 //
964 if(!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap)))
965 pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]);
966 else
967 pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf);
968
969 if(!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
970 pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]);
971 else
972 pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf);
973
974
975 ////////////////////////////////////////////////////////
976 // Configurations:
977 ////////////////////////////////////////////////////////
978 IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE));
979 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTInfo, sizeof(HT_INFORMATION_ELE));
980 // Config Supported Channel Width setting
981 //
982 HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset));
983
984 // if(pHTInfo->bCurBW40MHz == true)
985 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false);
986
987 //
988 // Update short GI/ long GI setting
989 //
990 // TODO:
991 pHTInfo->bCurShortGI20MHz=
992 ((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false);
993 pHTInfo->bCurShortGI40MHz=
994 ((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false);
995
996 //
997 // Config TX STBC setting
998 //
999 // TODO:
1000
1001 //
1002 // Config DSSS/CCK mode in 40MHz mode
1003 //
1004 // TODO:
1005 pHTInfo->bCurSuppCCK =
1006 ((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false);
1007
1008
1009 //
1010 // Config and configure A-MSDU setting
1011 //
1012 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
1013
1014 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935;
1015
1016 if(pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize )
1017 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
1018 else
1019 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1020
1021
1022 //
1023 // Config A-MPDU setting
1024 //
1025 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
1026
1027 // <1> Decide AMPDU Factor
1028
1029 // By Emily
1030 if(!pHTInfo->bRegRT2RTAggregation)
1031 {
1032 // Decide AMPDU Factor according to protocol handshake
1033 if(pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
1034 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1035 else
1036 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1037
1038 }else
1039 {
1040 // Set MPDU density to 2 to Realtek AP, and set it to 0 for others
1041 // Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily
1042 if (ieee->current_network.bssht.bdRT2RTAggregation)
1043 {
1044 if( ieee->pairwise_key_type != KEY_TYPE_NA)
1045 // Realtek may set 32k in security mode and 64k for others
1046 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1047 else
1048 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
1049 }else
1050 {
1051 if(pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
1052 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1053 else
1054 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
1055 }
1056 }
1057
1058 // <2> Set AMPDU Minimum MPDU Start Spacing
1059 // 802.11n 3.0 section 9.7d.3
1060 if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
1061 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1062 else
1063 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
1064 if(ieee->pairwise_key_type != KEY_TYPE_NA )
1065 pHTInfo->CurrentMPDUDensity = 7; // 8us
1066 // Force TX AMSDU
1067
1068 // Lanhsin: mark for tmp to avoid deauth by ap from s3
1069 //if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0)
1070 if(0)
1071 {
1072
1073 pHTInfo->bCurrentAMPDUEnable = false;
1074 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
1075 pHTInfo->ForcedAMSDUMaxSize = 7935;
1076
1077 pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K;
1078 }
1079
1080 // Rx Reorder Setting
1081 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
1082
1083 //
1084 // Filter out unsupported HT rate for this AP
1085 // Update RATR table
1086 // This is only for 8190 ,8192 or later product which using firmware to handle rate adaptive mechanism.
1087 //
1088
1089 // Handle Ralink AP bad MCS rate set condition. Joseph.
1090 // This fix the bug of Ralink AP. This may be removed in the future.
1091 if(pPeerHTCap->MCS[0] == 0)
1092 pPeerHTCap->MCS[0] = 0xff;
1093
1094 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
1095
1096 //
1097 // Config MIMO Power Save setting
1098 //
1099 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
1100 if(pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
1101 pMcsFilter = MCS_FILTER_1SS;
1102 else
1103 pMcsFilter = MCS_FILTER_ALL;
1104 //WB add for MCS8 bug
1105 // pMcsFilter = MCS_FILTER_1SS;
1106 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter);
1107 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
1108
1109 //
1110 // Config current operation mode.
1111 //
1112 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
1113
1114
1115
1116 }
1117
1118 void HTSetConnectBwModeCallback(struct ieee80211_device* ieee);
1119 /********************************************************************************************************************
1120 *function: initialize HT info(struct PRT_HIGH_THROUGHPUT)
1121 * input: struct ieee80211_device* ieee
1122 * output: none
1123 * return: none
1124 * notice: This function is called when * (1) MPInitialization Phase * (2) Receiving of Deauthentication from AP
1125 ********************************************************************************************************************/
1126 // TODO: Should this funciton be called when receiving of Disassociation?
1127 void HTInitializeHTInfo(struct ieee80211_device* ieee)
1128 {
1129 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1130
1131 //
1132 // These parameters will be reset when receiving deauthentication packet
1133 //
1134 IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __FUNCTION__);
1135 pHTInfo->bCurrentHTSupport = false;
1136
1137 // 40MHz channel support
1138 pHTInfo->bCurBW40MHz = false;
1139 pHTInfo->bCurTxBW40MHz = false;
1140
1141 // Short GI support
1142 pHTInfo->bCurShortGI20MHz = false;
1143 pHTInfo->bCurShortGI40MHz = false;
1144 pHTInfo->bForcedShortGI = false;
1145
1146 // CCK rate support
1147 // This flag is set to true to support CCK rate by default.
1148 // It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities only when associate to
1149 // 11N BSS.
1150 pHTInfo->bCurSuppCCK = true;
1151
1152 // AMSDU related
1153 pHTInfo->bCurrent_AMSDU_Support = false;
1154 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1155
1156 // AMPUD related
1157 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1158 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1159
1160
1161
1162 // Initialize all of the parameters related to 11n
1163 memset((void*)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap));
1164 memset((void*)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo));
1165 memset((void*)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf));
1166 memset((void*)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf));
1167
1168 pHTInfo->bSwBwInProgress = false;
1169 pHTInfo->ChnlOp = CHNLOP_NONE;
1170
1171 // Set default IEEE spec for Draft N
1172 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
1173
1174 // Realtek proprietary aggregation mode
1175 pHTInfo->bCurrentRT2RTAggregation = false;
1176 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1177 pHTInfo->IOTPeer = 0;
1178 pHTInfo->IOTAction = 0;
1179
1180 //MCS rate initialized here
1181 {
1182 u8* RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
1183 RegHTSuppRateSets[0] = 0xFF; //support MCS 0~7
1184 RegHTSuppRateSets[1] = 0xFF; //support MCS 8~15
1185 RegHTSuppRateSets[4] = 0x01; //support MCS 32
1186 }
1187 }
1188 /********************************************************************************************************************
1189 *function: initialize Bss HT structure(struct PBSS_HT)
1190 * input: PBSS_HT pBssHT //to be initialized
1191 * output: none
1192 * return: none
1193 * notice: This function is called when initialize network structure
1194 ********************************************************************************************************************/
1195 void HTInitializeBssDesc(PBSS_HT pBssHT)
1196 {
1197
1198 pBssHT->bdSupportHT = false;
1199 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
1200 pBssHT->bdHTCapLen = 0;
1201 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
1202 pBssHT->bdHTInfoLen = 0;
1203
1204 pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE;
1205
1206 pBssHT->bdRT2RTAggregation = false;
1207 pBssHT->bdRT2RTLongSlotTime = false;
1208 }
1209 /********************************************************************************************************************
1210 *function: initialize Bss HT structure(struct PBSS_HT)
1211 * input: struct ieee80211_device *ieee
1212 * struct ieee80211_network *pNetwork //usually current network we are live in
1213 * output: none
1214 * return: none
1215 * notice: This function should ONLY be called before association
1216 ********************************************************************************************************************/
1217 void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork)
1218 {
1219 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1220 // u16 nMaxAMSDUSize;
1221 // PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
1222 // PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
1223 // u8* pMcsFilter;
1224 u8 bIOTAction = 0;
1225
1226 //
1227 // Save Peer Setting before Association
1228 //
1229 IEEE80211_DEBUG(IEEE80211_DL_HT, "==============>%s()\n", __FUNCTION__);
1230 /*unmark bEnableHT flag here is the same reason why unmarked in function ieee80211_softmac_new_net. WB 2008.09.10*/
1231 // if( pHTInfo->bEnableHT && pNetwork->bssht.bdSupportHT)
1232 if (pNetwork->bssht.bdSupportHT)
1233 {
1234 pHTInfo->bCurrentHTSupport = true;
1235 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
1236
1237 // Save HTCap and HTInfo information Element
1238 if(pNetwork->bssht.bdHTCapLen > 0 && pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
1239 memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen);
1240
1241 if(pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf))
1242 memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen);
1243
1244 // Check whether RT to RT aggregation mode is enabled
1245 if(pHTInfo->bRegRT2RTAggregation)
1246 {
1247 pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation;
1248 pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime;
1249 }
1250 else
1251 {
1252 pHTInfo->bCurrentRT2RTAggregation = false;
1253 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1254 }
1255
1256 // Determine the IOT Peer Vendor.
1257 HTIOTPeerDetermine(ieee);
1258
1259 // Decide IOT Action
1260 // Must be called after the parameter of pHTInfo->bCurrentRT2RTAggregation is decided
1261 pHTInfo->IOTAction = 0;
1262 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
1263 if(bIOTAction)
1264 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
1265
1266 bIOTAction = HTIOTActIsDisableMCS15(ieee);
1267 if(bIOTAction)
1268 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
1269
1270 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee, pNetwork->bssid);
1271 if(bIOTAction)
1272 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
1273
1274
1275 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
1276 if(bIOTAction)
1277 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
1278
1279 bIOTAction = HTIOTActIsMgntUseCCK6M(pNetwork);
1280 if(bIOTAction)
1281 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
1282
1283 bIOTAction = HTIOTActIsCCDFsync(pNetwork->bssid);
1284 if(bIOTAction)
1285 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
1286
1287
1288 }
1289 else
1290 {
1291 pHTInfo->bCurrentHTSupport = false;
1292 pHTInfo->bCurrentRT2RTAggregation = false;
1293 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1294
1295 pHTInfo->IOTAction = 0;
1296 }
1297
1298 }
1299
1300 void HTUpdateSelfAndPeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork)
1301 {
1302 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1303 // PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
1304 PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
1305
1306 if(pHTInfo->bCurrentHTSupport)
1307 {
1308 //
1309 // Config current operation mode.
1310 //
1311 if(pNetwork->bssht.bdHTInfoLen != 0)
1312 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
1313
1314 //
1315 // <TODO: Config according to OBSS non-HT STA present!!>
1316 //
1317 }
1318 }
1319
1320 void HTUseDefaultSetting(struct ieee80211_device* ieee)
1321 {
1322 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1323 // u8 regBwOpMode;
1324
1325 if(pHTInfo->bEnableHT)
1326 {
1327 pHTInfo->bCurrentHTSupport = true;
1328
1329 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
1330
1331 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
1332
1333 pHTInfo->bCurShortGI20MHz= pHTInfo->bRegShortGI20MHz;
1334
1335 pHTInfo->bCurShortGI40MHz= pHTInfo->bRegShortGI40MHz;
1336
1337 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
1338
1339 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1340
1341 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
1342
1343 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1344
1345 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1346
1347 // Set BWOpMode register
1348
1349 //update RATR index0
1350 HTFilterMCSRate(ieee, ieee->Regdot11HTOperationalRateSet, ieee->dot11HTOperationalRateSet);
1351 //function below is not implemented at all. WB
1352 #ifdef TODO
1353 Adapter->HalFunc.InitHalRATRTableHandler( Adapter, &pMgntInfo->dot11OperationalRateSet, pMgntInfo->dot11HTOperationalRateSet);
1354 #endif
1355 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, MCS_FILTER_ALL);
1356 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
1357
1358 }
1359 else
1360 {
1361 pHTInfo->bCurrentHTSupport = false;
1362 }
1363 return;
1364 }
1365 /********************************************************************************************************************
1366 *function: check whether HT control field exists
1367 * input: struct ieee80211_device *ieee
1368 * u8* pFrame //coming skb->data
1369 * output: none
1370 * return: return true if HT control field exists(false otherwise)
1371 * notice:
1372 ********************************************************************************************************************/
1373 u8 HTCCheck(struct ieee80211_device* ieee, u8* pFrame)
1374 {
1375 if(ieee->pHTInfo->bCurrentHTSupport)
1376 {
1377 if( (IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1)
1378 {
1379 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT CONTROL FILED EXIST!!\n");
1380 return true;
1381 }
1382 }
1383 return false;
1384 }
1385
1386 //
1387 // This function set bandwidth mode in protocol layer.
1388 //
1389 void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset)
1390 {
1391 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1392 // u32 flags = 0;
1393
1394 if(pHTInfo->bRegBW40MHz == false)
1395 return;
1396
1397
1398
1399 // To reduce dummy operation
1400 // if((pHTInfo->bCurBW40MHz==false && Bandwidth==HT_CHANNEL_WIDTH_20) ||
1401 // (pHTInfo->bCurBW40MHz==true && Bandwidth==HT_CHANNEL_WIDTH_20_40 && Offset==pHTInfo->CurSTAExtChnlOffset))
1402 // return;
1403
1404 // spin_lock_irqsave(&(ieee->bw_spinlock), flags);
1405 if(pHTInfo->bSwBwInProgress) {
1406 // spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
1407 return;
1408 }
1409 //if in half N mode, set to 20M bandwidth please 09.08.2008 WB.
1410 if(Bandwidth==HT_CHANNEL_WIDTH_20_40 && (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)))
1411 {
1412 // Handle Illegal extention channel offset!!
1413 if(ieee->current_network.channel<2 && Offset==HT_EXTCHNL_OFFSET_LOWER)
1414 Offset = HT_EXTCHNL_OFFSET_NO_EXT;
1415 if(Offset==HT_EXTCHNL_OFFSET_UPPER || Offset==HT_EXTCHNL_OFFSET_LOWER) {
1416 pHTInfo->bCurBW40MHz = true;
1417 pHTInfo->CurSTAExtChnlOffset = Offset;
1418 } else {
1419 pHTInfo->bCurBW40MHz = false;
1420 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1421 }
1422 } else {
1423 pHTInfo->bCurBW40MHz = false;
1424 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1425 }
1426
1427 pHTInfo->bSwBwInProgress = true;
1428
1429 // TODO: 2007.7.13 by Emily Wait 2000ms in order to garantee that switching
1430 // bandwidth is executed after scan is finished. It is a temporal solution
1431 // because software should ganrantee the last operation of switching bandwidth
1432 // is executed properlly.
1433 HTSetConnectBwModeCallback(ieee);
1434
1435 // spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
1436 }
1437
1438 void HTSetConnectBwModeCallback(struct ieee80211_device* ieee)
1439 {
1440 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1441
1442 IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __FUNCTION__);
1443
1444 if(pHTInfo->bCurBW40MHz)
1445 {
1446 if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_UPPER)
1447 ieee->set_chan(ieee->dev, ieee->current_network.channel+2);
1448 else if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_LOWER)
1449 ieee->set_chan(ieee->dev, ieee->current_network.channel-2);
1450 else
1451 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1452
1453 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset);
1454 } else {
1455 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1456 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
1457 }
1458
1459 pHTInfo->bSwBwInProgress = false;
1460 }
1461
1462 EXPORT_SYMBOL(HTUpdateSelfAndPeerSetting);
Tomato firmware and modifications.