Commit | Line | Data |
---|---|---|
8fc8598e JC |
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 | ||
39cfb97b | 44 | // 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we put the |
8fc8598e JC |
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; | |
8fc8598e JC |
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) || | |
e406322b MCC |
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; | |
8fc8598e JC |
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; | |
8fc8598e JC |
419 | return ret; |
420 | } | |
421 | ||
422 | ||
423 | /** | |
424 | * Function: HTIOTActIsDisableMCS15 | |
425 | * | |
25985edc | 426 | * Overview: Check whether driver should declare capability of receiving MCS15 |
8fc8598e JC |
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 | * | |
25985edc | 463 | * Overview: Check whether driver should declare capability of receiving All 2 ss packets |
8fc8598e JC |
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 | |
8fc8598e JC |
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; | |
8fc8598e JC |
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) || | |
e406322b MCC |
522 | (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) || |
523 | (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0)) | |
8fc8598e JC |
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 | |
e406322b | 601 | // TODO: Nedd to take care of this part |
8fc8598e JC |
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 | |
50a09b3b | 762 | #if (HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE) |
8fc8598e JC |
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); | |
8fc8598e JC |
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 | |
8fc8598e JC |
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 | |
8fc8598e JC |
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 | |
8fc8598e JC |
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 | } | |
8fc8598e JC |
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 | ||
0289bb5d | 1345 | pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; |
8fc8598e JC |
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 | { | |
25985edc | 1412 | // Handle Illegal extension channel offset!! |
8fc8598e JC |
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 | ||
25985edc | 1429 | // TODO: 2007.7.13 by Emily Wait 2000ms in order to guarantee that switching |
8fc8598e JC |
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 | ||
8fc8598e | 1462 | EXPORT_SYMBOL(HTUpdateSelfAndPeerSetting); |