1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 *
4 * This program is distributed in the hope that it will be useful, but WITHOUT
5 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
7 * more details.
8 *
9 * You should have received a copy of the GNU General Public License along with
10 * this program; if not, write to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
12 *
13 * The full GNU General Public License is included in this distribution in the
14 * file called LICENSE.
15 *
16 * Contact Information:
17 * wlanfae <wlanfae@realtek.com>
18 ******************************************************************************/
19 #include "rtllib.h"
20 #include "rtl819x_HT.h"
21 u8 MCS_FILTER_ALL[16] = {
22 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
23 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
24 };
25
26 u8 MCS_FILTER_1SS[16] = {
27 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
28 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
29 ;
30
31 u16 MCS_DATA_RATE[2][2][77] = {
32 {{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234,
33 260, 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416,
34 468, 520, 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182,
35 182, 208, 156, 195, 195, 234, 273, 273, 312, 130, 156, 181, 156,
36 181, 208, 234, 208, 234, 260, 260, 286, 195, 234, 273, 234, 273,
37 312, 351, 312, 351, 390, 390, 429} ,
38 {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
39 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520,
40 578, 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231,
41 173, 217, 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260,
42 231, 260, 289, 289, 318, 217, 260, 303, 260, 303, 347, 390, 347, 390,
43 433, 433, 477} } ,
44 {{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486,
45 540, 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648,
46 864, 972, 1080, 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324,
47 378, 378, 432, 324, 405, 405, 486, 567, 567, 648, 270, 324, 378, 324,
48 378, 432, 486, 432, 486, 540, 540, 594, 405, 486, 567, 486, 567, 648,
49 729, 648, 729, 810, 810, 891},
50 {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540,
51 600, 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720,
52 960, 1080, 1200, 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360,
53 420, 420, 480, 360, 450, 450, 540, 630, 630, 720, 300, 360, 420, 360,
54 420, 480, 540, 480, 540, 600, 600, 660, 450, 540, 630, 540, 630, 720,
55 810, 720, 810, 900, 900, 990} }
56 };
57
58 static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
59
60 static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
61
62 static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
63
64 static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};
65
66 static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
67
68 static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
69
70 static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
71
72 static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
73
74 static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
75
76 static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
77
78 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
79
80 static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
81
HTUpdateDefaultSetting(struct rtllib_device * ieee)82 void HTUpdateDefaultSetting(struct rtllib_device *ieee)
83 {
84 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
85
86 pHTInfo->bAcceptAddbaReq = 1;
87
88 pHTInfo->bRegShortGI20MHz = 1;
89 pHTInfo->bRegShortGI40MHz = 1;
90
91 pHTInfo->bRegBW40MHz = 1;
92
93 if (pHTInfo->bRegBW40MHz)
94 pHTInfo->bRegSuppCCK = 1;
95 else
96 pHTInfo->bRegSuppCCK = true;
97
98 pHTInfo->nAMSDU_MaxSize = 7935UL;
99 pHTInfo->bAMSDU_Support = 0;
100
101 pHTInfo->bAMPDUEnable = 1;
102 pHTInfo->AMPDU_Factor = 2;
103 pHTInfo->MPDU_Density = 0;
104
105 pHTInfo->SelfMimoPs = 3;
106 if (pHTInfo->SelfMimoPs == 2)
107 pHTInfo->SelfMimoPs = 3;
108 ieee->bTxDisableRateFallBack = 0;
109 ieee->bTxUseDriverAssingedRate = 0;
110
111 ieee->bTxEnableFwCalcDur = 1;
112
113 pHTInfo->bRegRT2RTAggregation = 1;
114
115 pHTInfo->bRegRxReorderEnable = 1;
116 pHTInfo->RxReorderWinSize = 64;
117 pHTInfo->RxReorderPendingTime = 30;
118 }
119
HTDebugHTCapability(u8 * CapIE,u8 * TitleString)120 void HTDebugHTCapability(u8 *CapIE, u8 *TitleString)
121 {
122
123 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
124 struct ht_capab_ele *pCapELE;
125
126 if (!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap))) {
127 RTLLIB_DEBUG(RTLLIB_DL_HT, "EWC IE in %s()\n", __func__);
128 pCapELE = (struct ht_capab_ele *)(&CapIE[4]);
129 } else
130 pCapELE = (struct ht_capab_ele *)(&CapIE[0]);
131
132 RTLLIB_DEBUG(RTLLIB_DL_HT, "<Log HT Capability>. Called by %s\n",
133 TitleString);
134
135 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupported Channel Width = %s\n",
136 (pCapELE->ChlWidth) ? "20MHz" : "20/40MHz");
137 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport Short GI for 20M = %s\n",
138 (pCapELE->ShortGI20Mhz) ? "YES" : "NO");
139 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport Short GI for 40M = %s\n",
140 (pCapELE->ShortGI40Mhz) ? "YES" : "NO");
141 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport TX STBC = %s\n",
142 (pCapELE->TxSTBC) ? "YES" : "NO");
143 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMax AMSDU Size = %s\n",
144 (pCapELE->MaxAMSDUSize) ? "3839" : "7935");
145 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSupport CCK in 20/40 mode = %s\n",
146 (pCapELE->DssCCk) ? "YES" : "NO");
147 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMax AMPDU Factor = %d\n",
148 pCapELE->MaxRxAMPDUFactor);
149 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMPDU Density = %d\n",
150 pCapELE->MPDUDensity);
151 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n",
152 pCapELE->MCS[0], pCapELE->MCS[1], pCapELE->MCS[2],
153 pCapELE->MCS[3], pCapELE->MCS[4]);
154 return;
155
156 }
157
HTDebugHTInfo(u8 * InfoIE,u8 * TitleString)158 void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString)
159 {
160
161 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
162 struct ht_info_ele *pHTInfoEle;
163
164 if (!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo))) {
165 RTLLIB_DEBUG(RTLLIB_DL_HT, "EWC IE in %s()\n", __func__);
166 pHTInfoEle = (struct ht_info_ele *)(&InfoIE[4]);
167 } else
168 pHTInfoEle = (struct ht_info_ele *)(&InfoIE[0]);
169
170
171 RTLLIB_DEBUG(RTLLIB_DL_HT, "<Log HT Information Element>. "
172 "Called by %s\n", TitleString);
173
174 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tPrimary channel = %d\n",
175 pHTInfoEle->ControlChl);
176 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSenondary channel =");
177 switch (pHTInfoEle->ExtChlOffset) {
178 case 0:
179 RTLLIB_DEBUG(RTLLIB_DL_HT, "Not Present\n");
180 break;
181 case 1:
182 RTLLIB_DEBUG(RTLLIB_DL_HT, "Upper channel\n");
183 break;
184 case 2:
185 RTLLIB_DEBUG(RTLLIB_DL_HT, "Reserved. Eooro!!!\n");
186 break;
187 case 3:
188 RTLLIB_DEBUG(RTLLIB_DL_HT, "Lower Channel\n");
189 break;
190 }
191 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tRecommended channel width = %s\n",
192 (pHTInfoEle->RecommemdedTxWidth) ? "20Mhz" : "40Mhz");
193
194 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tOperation mode for protection = ");
195 switch (pHTInfoEle->OptMode) {
196 case 0:
197 RTLLIB_DEBUG(RTLLIB_DL_HT, "No Protection\n");
198 break;
199 case 1:
200 RTLLIB_DEBUG(RTLLIB_DL_HT, "HT non-member protection mode\n");
201 break;
202 case 2:
203 RTLLIB_DEBUG(RTLLIB_DL_HT, "Suggest to open protection\n");
204 break;
205 case 3:
206 RTLLIB_DEBUG(RTLLIB_DL_HT, "HT mixed mode\n");
207 break;
208 }
209
210 RTLLIB_DEBUG(RTLLIB_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x]"
211 "[%x]\n", pHTInfoEle->BasicMSC[0], pHTInfoEle->BasicMSC[1],
212 pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3],
213 pHTInfoEle->BasicMSC[4]);
214 }
215
IsHTHalfNmode40Bandwidth(struct rtllib_device * ieee)216 static bool IsHTHalfNmode40Bandwidth(struct rtllib_device *ieee)
217 {
218 bool retValue = false;
219 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
220
221 if (pHTInfo->bCurrentHTSupport == false)
222 retValue = false;
223 else if (pHTInfo->bRegBW40MHz == false)
224 retValue = false;
225 else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
226 retValue = false;
227 else if (((struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf))->ChlWidth)
228 retValue = true;
229 else
230 retValue = false;
231
232 return retValue;
233 }
234
IsHTHalfNmodeSGI(struct rtllib_device * ieee,bool is40MHz)235 static bool IsHTHalfNmodeSGI(struct rtllib_device *ieee, bool is40MHz)
236 {
237 bool retValue = false;
238 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
239
240 if (pHTInfo->bCurrentHTSupport == false)
241 retValue = false;
242 else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
243 retValue = false;
244 else if (is40MHz) {
245 if (((struct ht_capab_ele *)
246 (pHTInfo->PeerHTCapBuf))->ShortGI40Mhz)
247 retValue = true;
248 else
249 retValue = false;
250 } else {
251 if (((struct ht_capab_ele *)
252 (pHTInfo->PeerHTCapBuf))->ShortGI20Mhz)
253 retValue = true;
254 else
255 retValue = false;
256 }
257
258 return retValue;
259 }
260
HTHalfMcsToDataRate(struct rtllib_device * ieee,u8 nMcsRate)261 u16 HTHalfMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
262 {
263
264 u8 is40MHz;
265 u8 isShortGI;
266
267 is40MHz = (IsHTHalfNmode40Bandwidth(ieee)) ? 1 : 0;
268 isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz)) ? 1 : 0;
269
270 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
271 }
272
273
HTMcsToDataRate(struct rtllib_device * ieee,u8 nMcsRate)274 u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
275 {
276 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
277
278 u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0;
279 u8 isShortGI = (pHTInfo->bCurBW40MHz) ?
280 ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) :
281 ((pHTInfo->bCurShortGI20MHz) ? 1 : 0);
282 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
283 }
284
TxCountToDataRate(struct rtllib_device * ieee,u8 nDataRate)285 u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate)
286 {
287 u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
288 0x24, 0x30, 0x48, 0x60, 0x6c};
289 u8 is40MHz = 0;
290 u8 isShortGI = 0;
291
292 if (nDataRate < 12) {
293 return CCKOFDMRate[nDataRate];
294 } else {
295 if (nDataRate >= 0x10 && nDataRate <= 0x1f) {
296 is40MHz = 0;
297 isShortGI = 0;
298 } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) {
299 is40MHz = 1;
300 isShortGI = 0;
301
302 } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) {
303 is40MHz = 0;
304 isShortGI = 1;
305 } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) {
306 is40MHz = 1;
307 isShortGI = 1;
308 }
309 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
310 }
311 }
312
IsHTHalfNmodeAPs(struct rtllib_device * ieee)313 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)
314 {
315 bool retValue = false;
316 struct rtllib_network *net = &ieee->current_network;
317
318 if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
319 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
320 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
321 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
322 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
323 (net->ralink_cap_exist))
324 retValue = true;
325 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
326 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
327 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ||
328 (net->broadcom_cap_exist))
329 retValue = true;
330 else if (net->bssht.bdRT2RTAggregation)
331 retValue = true;
332 else
333 retValue = false;
334
335 return retValue;
336 }
337
HTIOTPeerDetermine(struct rtllib_device * ieee)338 static void HTIOTPeerDetermine(struct rtllib_device *ieee)
339 {
340 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
341 struct rtllib_network *net = &ieee->current_network;
342
343 if (net->bssht.bdRT2RTAggregation) {
344 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
345 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE)
346 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
347 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP)
348 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
349 } else if (net->broadcom_cap_exist)
350 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
351 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
352 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
353 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3))
354 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
355 else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
356 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
357 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
358 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
359 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
360 net->ralink_cap_exist)
361 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
362 else if ((net->atheros_cap_exist) ||
363 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
364 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
365 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
366 else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
367 net->cisco_cap_exist)
368 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
369 else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
370 net->marvell_cap_exist)
371 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
372 else if (net->airgo_cap_exist)
373 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO;
374 else
375 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
376
377 RTLLIB_DEBUG(RTLLIB_DL_IOT, "Joseph debug!! IOTPEER: %x\n",
378 pHTInfo->IOTPeer);
379 }
380
HTIOTActIsDisableMCS14(struct rtllib_device * ieee,u8 * PeerMacAddr)381 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
382 {
383 return 0;
384 }
385
386
HTIOTActIsDisableMCS15(struct rtllib_device * ieee)387 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
388 {
389 bool retValue = false;
390
391 return retValue;
392 }
393
HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device * ieee)394 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
395 {
396 return false;
397 }
398
HTIOTActIsDisableEDCATurbo(struct rtllib_device * ieee,u8 * PeerMacAddr)399 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, u8 *PeerMacAddr)
400 {
401 return false;
402 }
403
HTIOTActIsMgntUseCCK6M(struct rtllib_device * ieee,struct rtllib_network * network)404 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
405 struct rtllib_network *network)
406 {
407 u8 retValue = 0;
408
409
410 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
411 retValue = 1;
412
413 return retValue;
414 }
415
HTIOTActIsCCDFsync(struct rtllib_device * ieee)416 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
417 {
418 u8 retValue = 0;
419
420 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
421 retValue = 1;
422 return retValue;
423 }
424
HTIOTActDetermineRaFunc(struct rtllib_device * ieee,bool bPeerRx2ss)425 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
426 {
427 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
428
429 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
430
431 if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
432 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
433
434 if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
435 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
436
437 }
438
HTResetIOTSetting(struct rt_hi_throughput * pHTInfo)439 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo)
440 {
441 pHTInfo->IOTAction = 0;
442 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
443 pHTInfo->IOTRaFunc = 0;
444 }
445
HTConstructCapabilityElement(struct rtllib_device * ieee,u8 * posHTCap,u8 * len,u8 IsEncrypt,bool bAssoc)446 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap,
447 u8 *len, u8 IsEncrypt, bool bAssoc)
448 {
449 struct rt_hi_throughput *pHT = ieee->pHTInfo;
450 struct ht_capab_ele *pCapELE = NULL;
451
452 if ((posHTCap == NULL) || (pHT == NULL)) {
453 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTCap or pHTInfo can't be "
454 "null in HTConstructCapabilityElement()\n");
455 return;
456 }
457 memset(posHTCap, 0, *len);
458
459 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) {
460 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
461
462 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
463 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]);
464 *len = 30 + 2;
465 } else {
466 pCapELE = (struct ht_capab_ele *)posHTCap;
467 *len = 26 + 2;
468 }
469
470 pCapELE->AdvCoding = 0;
471 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
472 pCapELE->ChlWidth = 0;
473 else
474 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0);
475
476 pCapELE->MimoPwrSave = pHT->SelfMimoPs;
477 pCapELE->GreenField = 0;
478 pCapELE->ShortGI20Mhz = 1;
479 pCapELE->ShortGI40Mhz = 1;
480
481 pCapELE->TxSTBC = 1;
482 pCapELE->RxSTBC = 0;
483 pCapELE->DelayBA = 0;
484 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
485 pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0);
486 pCapELE->PSMP = 0;
487 pCapELE->LSigTxopProtect = 0;
488
489
490 RTLLIB_DEBUG(RTLLIB_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d "
491 "DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize,
492 pCapELE->DssCCk);
493
494 if (IsEncrypt) {
495 pCapELE->MPDUDensity = 7;
496 pCapELE->MaxRxAMPDUFactor = 2;
497 } else {
498 pCapELE->MaxRxAMPDUFactor = 3;
499 pCapELE->MPDUDensity = 0;
500 }
501
502 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
503 memset(&pCapELE->ExtHTCapInfo, 0, 2);
504 memset(pCapELE->TxBFCap, 0, 4);
505
506 pCapELE->ASCap = 0;
507
508 if (bAssoc) {
509 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
510 pCapELE->MCS[1] &= 0x7f;
511
512 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
513 pCapELE->MCS[1] &= 0xbf;
514
515 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
516 pCapELE->MCS[1] &= 0x00;
517
518 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
519 pCapELE->ShortGI40Mhz = 0;
520
521 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
522 pCapELE->ChlWidth = 0;
523 pCapELE->MCS[1] = 0;
524 }
525 }
526 }
527
HTConstructInfoElement(struct rtllib_device * ieee,u8 * posHTInfo,u8 * len,u8 IsEncrypt)528 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo,
529 u8 *len, u8 IsEncrypt)
530 {
531 struct rt_hi_throughput *pHT = ieee->pHTInfo;
532 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo;
533
534 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) {
535 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTInfo or pHTInfoEle can't be "
536 "null in HTConstructInfoElement()\n");
537 return;
538 }
539
540 memset(posHTInfo, 0, *len);
541 if ((ieee->iw_mode == IW_MODE_ADHOC) ||
542 (ieee->iw_mode == IW_MODE_MASTER)) {
543 pHTInfoEle->ControlChl = ieee->current_network.channel;
544 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ?
545 HT_EXTCHNL_OFFSET_NO_EXT :
546 (ieee->current_network.channel <= 6)
547 ? HT_EXTCHNL_OFFSET_UPPER :
548 HT_EXTCHNL_OFFSET_LOWER);
549 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz;
550 pHTInfoEle->RIFS = 0;
551 pHTInfoEle->PSMPAccessOnly = 0;
552 pHTInfoEle->SrvIntGranularity = 0;
553 pHTInfoEle->OptMode = pHT->CurrentOpMode;
554 pHTInfoEle->NonGFDevPresent = 0;
555 pHTInfoEle->DualBeacon = 0;
556 pHTInfoEle->SecondaryBeacon = 0;
557 pHTInfoEle->LSigTxopProtectFull = 0;
558 pHTInfoEle->PcoActive = 0;
559 pHTInfoEle->PcoPhase = 0;
560
561 memset(pHTInfoEle->BasicMSC, 0, 16);
562
563
564 *len = 22 + 2;
565
566 } else {
567 *len = 0;
568 }
569 }
570
HTConstructRT2RTAggElement(struct rtllib_device * ieee,u8 * posRT2RTAgg,u8 * len)571 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg,
572 u8 *len)
573 {
574 if (posRT2RTAgg == NULL) {
575 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posRT2RTAgg can't be null in "
576 "HTConstructRT2RTAggElement()\n");
577 return;
578 }
579 memset(posRT2RTAgg, 0, *len);
580 *posRT2RTAgg++ = 0x00;
581 *posRT2RTAgg++ = 0xe0;
582 *posRT2RTAgg++ = 0x4c;
583 *posRT2RTAgg++ = 0x02;
584 *posRT2RTAgg++ = 0x01;
585
586 *posRT2RTAgg = 0x30;
587
588 if (ieee->bSupportRemoteWakeUp)
589 *posRT2RTAgg |= RT_HT_CAP_USE_WOW;
590
591 *len = 6 + 2;
592 }
593
HT_PickMCSRate(struct rtllib_device * ieee,u8 * pOperateMCS)594 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
595 {
596 u8 i;
597
598 if (pOperateMCS == NULL) {
599 RTLLIB_DEBUG(RTLLIB_DL_ERR, "pOperateMCS can't be null"
600 " in HT_PickMCSRate()\n");
601 return false;
602 }
603
604 switch (ieee->mode) {
605 case IEEE_A:
606 case IEEE_B:
607 case IEEE_G:
608 for (i = 0; i <= 15; i++)
609 pOperateMCS[i] = 0;
610 break;
611 case IEEE_N_24G:
612 case IEEE_N_5G:
613 pOperateMCS[0] &= RATE_ADPT_1SS_MASK;
614 pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
615 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
616 break;
617 default:
618 break;
619
620 }
621
622 return true;
623 }
624
HTGetHighestMCSRate(struct rtllib_device * ieee,u8 * pMCSRateSet,u8 * pMCSFilter)625 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
626 u8 *pMCSFilter)
627 {
628 u8 i, j;
629 u8 bitMap;
630 u8 mcsRate = 0;
631 u8 availableMcsRate[16];
632
633 if (pMCSRateSet == NULL || pMCSFilter == NULL) {
634 RTLLIB_DEBUG(RTLLIB_DL_ERR, "pMCSRateSet or pMCSFilter can't "
635 "be null in HTGetHighestMCSRate()\n");
636 return false;
637 }
638 for (i = 0; i < 16; i++)
639 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
640
641 for (i = 0; i < 16; i++) {
642 if (availableMcsRate[i] != 0)
643 break;
644 }
645 if (i == 16)
646 return false;
647
648 for (i = 0; i < 16; i++) {
649 if (availableMcsRate[i] != 0) {
650 bitMap = availableMcsRate[i];
651 for (j = 0; j < 8; j++) {
652 if ((bitMap%2) != 0) {
653 if (HTMcsToDataRate(ieee, (8*i+j)) >
654 HTMcsToDataRate(ieee, mcsRate))
655 mcsRate = (8*i+j);
656 }
657 bitMap = bitMap>>1;
658 }
659 }
660 }
661 return mcsRate | 0x80;
662 }
663
HTFilterMCSRate(struct rtllib_device * ieee,u8 * pSupportMCS,u8 * pOperateMCS)664 u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, u8 *pOperateMCS)
665 {
666
667 u8 i;
668
669 for (i = 0; i <= 15; i++)
670 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] &
671 pSupportMCS[i];
672
673 HT_PickMCSRate(ieee, pOperateMCS);
674
675 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
676 pOperateMCS[1] = 0;
677
678 for (i = 2; i <= 15; i++)
679 pOperateMCS[i] = 0;
680
681 return true;
682 }
683
684 void HTSetConnectBwMode(struct rtllib_device *ieee,
685 enum ht_channel_width Bandwidth,
686 enum ht_extchnl_offset Offset);
687
HTOnAssocRsp(struct rtllib_device * ieee)688 void HTOnAssocRsp(struct rtllib_device *ieee)
689 {
690 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
691 struct ht_capab_ele *pPeerHTCap = NULL;
692 struct ht_info_ele *pPeerHTInfo = NULL;
693 u16 nMaxAMSDUSize = 0;
694 u8 *pMcsFilter = NULL;
695
696 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
697 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
698
699 if (pHTInfo->bCurrentHTSupport == false) {
700 RTLLIB_DEBUG(RTLLIB_DL_ERR, "<=== HTOnAssocRsp(): "
701 "HT_DISABLE\n");
702 return;
703 }
704 RTLLIB_DEBUG(RTLLIB_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
705
706 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
707 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]);
708 else
709 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf);
710
711 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
712 pPeerHTInfo = (struct ht_info_ele *)
713 (&pHTInfo->PeerHTInfoBuf[4]);
714 else
715 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf);
716
717 RTLLIB_DEBUG_DATA(RTLLIB_DL_DATA | RTLLIB_DL_HT, pPeerHTCap,
718 sizeof(struct ht_capab_ele));
719 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth),
720 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset));
721 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ?
722 true : false);
723
724 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ?
725 ((pPeerHTCap->ShortGI20Mhz == 1) ?
726 true : false) : false);
727 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ?
728 ((pPeerHTCap->ShortGI40Mhz == 1) ?
729 true : false) : false);
730
731 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ?
732 ((pPeerHTCap->DssCCk == 1) ? true :
733 false) : false);
734
735
736 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
737
738 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935;
739
740 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize)
741 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
742 else
743 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
744
745 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
746 if (ieee->rtllib_ap_sec_type &&
747 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
748 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) ||
749 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN))
750 pHTInfo->bCurrentAMPDUEnable = false;
751 }
752
753 if (!pHTInfo->bRegRT2RTAggregation) {
754 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
755 pHTInfo->CurrentAMPDUFactor =
756 pPeerHTCap->MaxRxAMPDUFactor;
757 else
758 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
759
760 } else {
761 if (ieee->current_network.bssht.bdRT2RTAggregation) {
762 if (ieee->pairwise_key_type != KEY_TYPE_NA)
763 pHTInfo->CurrentAMPDUFactor =
764 pPeerHTCap->MaxRxAMPDUFactor;
765 else
766 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
767 } else {
768 if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
769 pHTInfo->CurrentAMPDUFactor =
770 pPeerHTCap->MaxRxAMPDUFactor;
771 else
772 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
773 }
774 }
775 if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
776 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
777 else
778 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
779 if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) {
780 pHTInfo->bCurrentAMPDUEnable = false;
781 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
782 pHTInfo->ForcedAMSDUMaxSize = 7935;
783 }
784 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
785
786 if (pPeerHTCap->MCS[0] == 0)
787 pPeerHTCap->MCS[0] = 0xff;
788
789 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0));
790
791 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
792
793 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
794 if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
795 pMcsFilter = MCS_FILTER_1SS;
796 else
797 pMcsFilter = MCS_FILTER_ALL;
798 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
799 ieee->dot11HTOperationalRateSet, pMcsFilter);
800 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
801
802 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
803 }
804
HTInitializeHTInfo(struct rtllib_device * ieee)805 void HTInitializeHTInfo(struct rtllib_device *ieee)
806 {
807 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
808
809 RTLLIB_DEBUG(RTLLIB_DL_HT, "===========>%s()\n", __func__);
810 pHTInfo->bCurrentHTSupport = false;
811
812 pHTInfo->bCurBW40MHz = false;
813 pHTInfo->bCurTxBW40MHz = false;
814
815 pHTInfo->bCurShortGI20MHz = false;
816 pHTInfo->bCurShortGI40MHz = false;
817 pHTInfo->bForcedShortGI = false;
818
819 pHTInfo->bCurSuppCCK = true;
820
821 pHTInfo->bCurrent_AMSDU_Support = false;
822 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
823 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
824 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
825
826 memset((void *)(&(pHTInfo->SelfHTCap)), 0,
827 sizeof(pHTInfo->SelfHTCap));
828 memset((void *)(&(pHTInfo->SelfHTInfo)), 0,
829 sizeof(pHTInfo->SelfHTInfo));
830 memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0,
831 sizeof(pHTInfo->PeerHTCapBuf));
832 memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0,
833 sizeof(pHTInfo->PeerHTInfoBuf));
834
835 pHTInfo->bSwBwInProgress = false;
836 pHTInfo->ChnlOp = CHNLOP_NONE;
837
838 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
839
840 pHTInfo->bCurrentRT2RTAggregation = false;
841 pHTInfo->bCurrentRT2RTLongSlotTime = false;
842 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
843
844 pHTInfo->IOTPeer = 0;
845 pHTInfo->IOTAction = 0;
846 pHTInfo->IOTRaFunc = 0;
847
848 {
849 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
850
851 RegHTSuppRateSets[0] = 0xFF;
852 RegHTSuppRateSets[1] = 0xFF;
853 RegHTSuppRateSets[4] = 0x01;
854 }
855 }
856
HTInitializeBssDesc(struct bss_ht * pBssHT)857 void HTInitializeBssDesc(struct bss_ht *pBssHT)
858 {
859
860 pBssHT->bdSupportHT = false;
861 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
862 pBssHT->bdHTCapLen = 0;
863 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
864 pBssHT->bdHTInfoLen = 0;
865
866 pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE;
867
868 pBssHT->bdRT2RTAggregation = false;
869 pBssHT->bdRT2RTLongSlotTime = false;
870 pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0;
871 }
872
HTResetSelfAndSavePeerSetting(struct rtllib_device * ieee,struct rtllib_network * pNetwork)873 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
874 struct rtllib_network *pNetwork)
875 {
876 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
877 u8 bIOTAction = 0;
878
879 RTLLIB_DEBUG(RTLLIB_DL_HT, "==============>%s()\n", __func__);
880 /* unmark bEnableHT flag here is the same reason why unmarked in
881 * function rtllib_softmac_new_net. WB 2008.09.10*/
882 if (pNetwork->bssht.bdSupportHT) {
883 pHTInfo->bCurrentHTSupport = true;
884 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
885
886 if (pNetwork->bssht.bdHTCapLen > 0 &&
887 pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
888 memcpy(pHTInfo->PeerHTCapBuf,
889 pNetwork->bssht.bdHTCapBuf,
890 pNetwork->bssht.bdHTCapLen);
891
892 if (pNetwork->bssht.bdHTInfoLen > 0 &&
893 pNetwork->bssht.bdHTInfoLen <=
894 sizeof(pHTInfo->PeerHTInfoBuf))
895 memcpy(pHTInfo->PeerHTInfoBuf,
896 pNetwork->bssht.bdHTInfoBuf,
897 pNetwork->bssht.bdHTInfoLen);
898
899 if (pHTInfo->bRegRT2RTAggregation) {
900 pHTInfo->bCurrentRT2RTAggregation =
901 pNetwork->bssht.bdRT2RTAggregation;
902 pHTInfo->bCurrentRT2RTLongSlotTime =
903 pNetwork->bssht.bdRT2RTLongSlotTime;
904 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
905 } else {
906 pHTInfo->bCurrentRT2RTAggregation = false;
907 pHTInfo->bCurrentRT2RTLongSlotTime = false;
908 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
909 }
910
911 HTIOTPeerDetermine(ieee);
912
913 pHTInfo->IOTAction = 0;
914 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
915 if (bIOTAction)
916 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
917
918 bIOTAction = HTIOTActIsDisableMCS15(ieee);
919 if (bIOTAction)
920 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
921
922 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
923 if (bIOTAction)
924 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
925
926
927 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
928 if (bIOTAction)
929 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
930
931 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork);
932 if (bIOTAction)
933 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
934 bIOTAction = HTIOTActIsCCDFsync(ieee);
935 if (bIOTAction)
936 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
937 } else {
938 pHTInfo->bCurrentHTSupport = false;
939 pHTInfo->bCurrentRT2RTAggregation = false;
940 pHTInfo->bCurrentRT2RTLongSlotTime = false;
941 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
942
943 pHTInfo->IOTAction = 0;
944 pHTInfo->IOTRaFunc = 0;
945 }
946 }
947
HT_update_self_and_peer_setting(struct rtllib_device * ieee,struct rtllib_network * pNetwork)948 void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
949 struct rtllib_network *pNetwork)
950 {
951 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
952 struct ht_info_ele *pPeerHTInfo =
953 (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf;
954
955 if (pHTInfo->bCurrentHTSupport) {
956 if (pNetwork->bssht.bdHTInfoLen != 0)
957 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
958 }
959 }
960 EXPORT_SYMBOL(HT_update_self_and_peer_setting);
961
HTUseDefaultSetting(struct rtllib_device * ieee)962 void HTUseDefaultSetting(struct rtllib_device *ieee)
963 {
964 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
965
966 if (pHTInfo->bEnableHT) {
967 pHTInfo->bCurrentHTSupport = true;
968 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
969
970 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
971 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz;
972
973 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz;
974
975 if (ieee->iw_mode == IW_MODE_ADHOC)
976 ieee->current_network.qos_data.active =
977 ieee->current_network.qos_data.supported;
978 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
979 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
980
981 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
982 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
983
984 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
985
986 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet,
987 ieee->dot11HTOperationalRateSet);
988 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
989 ieee->dot11HTOperationalRateSet,
990 MCS_FILTER_ALL);
991 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
992
993 } else {
994 pHTInfo->bCurrentHTSupport = false;
995 }
996 }
997
HTCCheck(struct rtllib_device * ieee,u8 * pFrame)998 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame)
999 {
1000 if (ieee->pHTInfo->bCurrentHTSupport) {
1001 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) {
1002 RTLLIB_DEBUG(RTLLIB_DL_HT, "HT CONTROL FILED "
1003 "EXIST!!\n");
1004 return true;
1005 }
1006 }
1007 return false;
1008 }
1009
HTSetConnectBwModeCallback(struct rtllib_device * ieee)1010 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
1011 {
1012 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
1013
1014 RTLLIB_DEBUG(RTLLIB_DL_HT, "======>%s()\n", __func__);
1015 if (pHTInfo->bCurBW40MHz) {
1016 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER)
1017 ieee->set_chan(ieee->dev,
1018 ieee->current_network.channel + 2);
1019 else if (pHTInfo->CurSTAExtChnlOffset ==
1020 HT_EXTCHNL_OFFSET_LOWER)
1021 ieee->set_chan(ieee->dev,
1022 ieee->current_network.channel - 2);
1023 else
1024 ieee->set_chan(ieee->dev,
1025 ieee->current_network.channel);
1026
1027 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40,
1028 pHTInfo->CurSTAExtChnlOffset);
1029 } else {
1030 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1031 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20,
1032 HT_EXTCHNL_OFFSET_NO_EXT);
1033 }
1034
1035 pHTInfo->bSwBwInProgress = false;
1036 }
1037
HTSetConnectBwMode(struct rtllib_device * ieee,enum ht_channel_width Bandwidth,enum ht_extchnl_offset Offset)1038 void HTSetConnectBwMode(struct rtllib_device *ieee,
1039 enum ht_channel_width Bandwidth,
1040 enum ht_extchnl_offset Offset)
1041 {
1042 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
1043
1044 if (pHTInfo->bRegBW40MHz == false)
1045 return;
1046
1047 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
1048 Bandwidth = HT_CHANNEL_WIDTH_20;
1049
1050 if (pHTInfo->bSwBwInProgress) {
1051 pr_info("%s: bSwBwInProgress!!\n", __func__);
1052 return;
1053 }
1054 if (Bandwidth == HT_CHANNEL_WIDTH_20_40) {
1055 if (ieee->current_network.channel < 2 &&
1056 Offset == HT_EXTCHNL_OFFSET_LOWER)
1057 Offset = HT_EXTCHNL_OFFSET_NO_EXT;
1058 if (Offset == HT_EXTCHNL_OFFSET_UPPER ||
1059 Offset == HT_EXTCHNL_OFFSET_LOWER) {
1060 pHTInfo->bCurBW40MHz = true;
1061 pHTInfo->CurSTAExtChnlOffset = Offset;
1062 } else {
1063 pHTInfo->bCurBW40MHz = false;
1064 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1065 }
1066 } else {
1067 pHTInfo->bCurBW40MHz = false;
1068 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1069 }
1070
1071 pr_info("%s():pHTInfo->bCurBW40MHz:%x\n", __func__,
1072 pHTInfo->bCurBW40MHz);
1073
1074 pHTInfo->bSwBwInProgress = true;
1075
1076 HTSetConnectBwModeCallback(ieee);
1077 }
1078