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 
HTMcsToDataRate(struct rtllib_device * ieee,u8 nMcsRate)120 u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
121 {
122 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
123 
124 	u8	is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0;
125 	u8	isShortGI = (pHTInfo->bCurBW40MHz) ?
126 			    ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) :
127 			    ((pHTInfo->bCurShortGI20MHz) ? 1 : 0);
128 	return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
129 }
130 
TxCountToDataRate(struct rtllib_device * ieee,u8 nDataRate)131 u16  TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate)
132 {
133 	u16	CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
134 				   0x24, 0x30, 0x48, 0x60, 0x6c};
135 	u8	is40MHz = 0;
136 	u8	isShortGI = 0;
137 
138 	if (nDataRate < 12)
139 		return CCKOFDMRate[nDataRate];
140 	if (nDataRate >= 0x10 && nDataRate <= 0x1f) {
141 		is40MHz = 0;
142 		isShortGI = 0;
143 	} else if (nDataRate >= 0x20  && nDataRate <= 0x2f) {
144 		is40MHz = 1;
145 		isShortGI = 0;
146 	} else if (nDataRate >= 0x30  && nDataRate <= 0x3f) {
147 		is40MHz = 0;
148 		isShortGI = 1;
149 	} else if (nDataRate >= 0x40  && nDataRate <= 0x4f) {
150 		is40MHz = 1;
151 		isShortGI = 1;
152 	}
153 	return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
154 }
155 
IsHTHalfNmodeAPs(struct rtllib_device * ieee)156 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)
157 {
158 	bool			retValue = false;
159 	struct rtllib_network *net = &ieee->current_network;
160 
161 	if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
162 	    (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
163 	    (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
164 	    (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
165 	    (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
166 	    (net->ralink_cap_exist))
167 		retValue = true;
168 	else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
169 		!memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
170 		!memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ||
171 		(net->broadcom_cap_exist))
172 		retValue = true;
173 	else if (net->bssht.bdRT2RTAggregation)
174 		retValue = true;
175 	else
176 		retValue = false;
177 
178 	return retValue;
179 }
180 
HTIOTPeerDetermine(struct rtllib_device * ieee)181 static void HTIOTPeerDetermine(struct rtllib_device *ieee)
182 {
183 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
184 	struct rtllib_network *net = &ieee->current_network;
185 
186 	if (net->bssht.bdRT2RTAggregation) {
187 		pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
188 		if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE)
189 			pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
190 		if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP)
191 			pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
192 	} else if (net->broadcom_cap_exist)
193 		pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
194 	else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
195 		 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
196 		 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3))
197 		pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
198 	else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
199 		 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
200 		 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
201 		 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
202 		 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
203 		  net->ralink_cap_exist)
204 		pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
205 	else if ((net->atheros_cap_exist) ||
206 		(memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
207 		(memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
208 		pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
209 	else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
210 		  net->cisco_cap_exist)
211 		pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
212 	else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
213 		  net->marvell_cap_exist)
214 		pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
215 	else if (net->airgo_cap_exist)
216 		pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO;
217 	else
218 		pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
219 
220 	RTLLIB_DEBUG(RTLLIB_DL_IOT, "Joseph debug!! IOTPEER: %x\n",
221 		     pHTInfo->IOTPeer);
222 }
223 
HTIOTActIsDisableMCS14(struct rtllib_device * ieee,u8 * PeerMacAddr)224 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
225 {
226 	return 0;
227 }
228 
229 
HTIOTActIsDisableMCS15(struct rtllib_device * ieee)230 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
231 {
232 	return false;
233 }
234 
HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device * ieee)235 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
236 {
237 	return false;
238 }
239 
HTIOTActIsDisableEDCATurbo(struct rtllib_device * ieee,u8 * PeerMacAddr)240 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, u8 *PeerMacAddr)
241 {
242 	return false;
243 }
244 
HTIOTActIsMgntUseCCK6M(struct rtllib_device * ieee,struct rtllib_network * network)245 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
246 				 struct rtllib_network *network)
247 {
248 	u8	retValue = 0;
249 
250 
251 	if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
252 		retValue = 1;
253 
254 	return retValue;
255 }
256 
HTIOTActIsCCDFsync(struct rtllib_device * ieee)257 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
258 {
259 	u8	retValue = 0;
260 
261 	if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
262 		retValue = 1;
263 	return retValue;
264 }
265 
HTIOTActDetermineRaFunc(struct rtllib_device * ieee,bool bPeerRx2ss)266 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
267 {
268 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
269 
270 	pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
271 
272 	if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
273 		pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
274 
275 	if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
276 		pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
277 
278 }
279 
HTResetIOTSetting(struct rt_hi_throughput * pHTInfo)280 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo)
281 {
282 	pHTInfo->IOTAction = 0;
283 	pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
284 	pHTInfo->IOTRaFunc = 0;
285 }
286 
HTConstructCapabilityElement(struct rtllib_device * ieee,u8 * posHTCap,u8 * len,u8 IsEncrypt,bool bAssoc)287 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap,
288 				  u8 *len, u8 IsEncrypt, bool bAssoc)
289 {
290 	struct rt_hi_throughput *pHT = ieee->pHTInfo;
291 	struct ht_capab_ele *pCapELE = NULL;
292 
293 	if ((posHTCap == NULL) || (pHT == NULL)) {
294 		RTLLIB_DEBUG(RTLLIB_DL_ERR,
295 			     "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n");
296 		return;
297 	}
298 	memset(posHTCap, 0, *len);
299 
300 	if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) {
301 		u8	EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
302 
303 		memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
304 		pCapELE = (struct ht_capab_ele *)&(posHTCap[4]);
305 		*len = 30 + 2;
306 	} else {
307 		pCapELE = (struct ht_capab_ele *)posHTCap;
308 		*len = 26 + 2;
309 	}
310 
311 	pCapELE->AdvCoding		= 0;
312 	if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
313 		pCapELE->ChlWidth = 0;
314 	else
315 		pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0);
316 
317 	pCapELE->MimoPwrSave		= pHT->SelfMimoPs;
318 	pCapELE->GreenField		= 0;
319 	pCapELE->ShortGI20Mhz		= 1;
320 	pCapELE->ShortGI40Mhz		= 1;
321 
322 	pCapELE->TxSTBC			= 1;
323 	pCapELE->RxSTBC			= 0;
324 	pCapELE->DelayBA		= 0;
325 	pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
326 	pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0);
327 	pCapELE->PSMP = 0;
328 	pCapELE->LSigTxopProtect = 0;
329 
330 
331 	RTLLIB_DEBUG(RTLLIB_DL_HT,
332 		     "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n",
333 		     pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
334 
335 	if (IsEncrypt) {
336 		pCapELE->MPDUDensity	= 7;
337 		pCapELE->MaxRxAMPDUFactor	= 2;
338 	} else {
339 		pCapELE->MaxRxAMPDUFactor	= 3;
340 		pCapELE->MPDUDensity	= 0;
341 	}
342 
343 	memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
344 	memset(&pCapELE->ExtHTCapInfo, 0, 2);
345 	memset(pCapELE->TxBFCap, 0, 4);
346 
347 	pCapELE->ASCap = 0;
348 
349 	if (bAssoc) {
350 		if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
351 			pCapELE->MCS[1] &= 0x7f;
352 
353 		if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
354 			pCapELE->MCS[1] &= 0xbf;
355 
356 		if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
357 			pCapELE->MCS[1] &= 0x00;
358 
359 		if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
360 			pCapELE->ShortGI40Mhz		= 0;
361 
362 		if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
363 			pCapELE->ChlWidth = 0;
364 			pCapELE->MCS[1] = 0;
365 		}
366 	}
367 }
368 
HTConstructInfoElement(struct rtllib_device * ieee,u8 * posHTInfo,u8 * len,u8 IsEncrypt)369 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo,
370 			    u8 *len, u8 IsEncrypt)
371 {
372 	struct rt_hi_throughput *pHT = ieee->pHTInfo;
373 	struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo;
374 
375 	if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) {
376 		RTLLIB_DEBUG(RTLLIB_DL_ERR,
377 			     "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n");
378 		return;
379 	}
380 
381 	memset(posHTInfo, 0, *len);
382 	if ((ieee->iw_mode == IW_MODE_ADHOC) ||
383 	    (ieee->iw_mode == IW_MODE_MASTER)) {
384 		pHTInfoEle->ControlChl	= ieee->current_network.channel;
385 		pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ?
386 					    HT_EXTCHNL_OFFSET_NO_EXT :
387 					    (ieee->current_network.channel <= 6)
388 					    ? HT_EXTCHNL_OFFSET_UPPER :
389 					    HT_EXTCHNL_OFFSET_LOWER);
390 		pHTInfoEle->RecommemdedTxWidth	= pHT->bRegBW40MHz;
391 		pHTInfoEle->RIFS			= 0;
392 		pHTInfoEle->PSMPAccessOnly		= 0;
393 		pHTInfoEle->SrvIntGranularity		= 0;
394 		pHTInfoEle->OptMode			= pHT->CurrentOpMode;
395 		pHTInfoEle->NonGFDevPresent		= 0;
396 		pHTInfoEle->DualBeacon			= 0;
397 		pHTInfoEle->SecondaryBeacon		= 0;
398 		pHTInfoEle->LSigTxopProtectFull		= 0;
399 		pHTInfoEle->PcoActive			= 0;
400 		pHTInfoEle->PcoPhase			= 0;
401 
402 		memset(pHTInfoEle->BasicMSC, 0, 16);
403 
404 
405 		*len = 22 + 2;
406 
407 	} else {
408 		*len = 0;
409 	}
410 }
411 
HTConstructRT2RTAggElement(struct rtllib_device * ieee,u8 * posRT2RTAgg,u8 * len)412 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg,
413 				u8 *len)
414 {
415 	if (posRT2RTAgg == NULL) {
416 		RTLLIB_DEBUG(RTLLIB_DL_ERR,
417 			     "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n");
418 		return;
419 	}
420 	memset(posRT2RTAgg, 0, *len);
421 	*posRT2RTAgg++ = 0x00;
422 	*posRT2RTAgg++ = 0xe0;
423 	*posRT2RTAgg++ = 0x4c;
424 	*posRT2RTAgg++ = 0x02;
425 	*posRT2RTAgg++ = 0x01;
426 
427 	*posRT2RTAgg = 0x30;
428 
429 	if (ieee->bSupportRemoteWakeUp)
430 		*posRT2RTAgg |= RT_HT_CAP_USE_WOW;
431 
432 	*len = 6 + 2;
433 }
434 
HT_PickMCSRate(struct rtllib_device * ieee,u8 * pOperateMCS)435 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
436 {
437 	u8 i;
438 
439 	if (pOperateMCS == NULL) {
440 		RTLLIB_DEBUG(RTLLIB_DL_ERR,
441 			     "pOperateMCS can't be null in HT_PickMCSRate()\n");
442 		return false;
443 	}
444 
445 	switch (ieee->mode) {
446 	case IEEE_A:
447 	case IEEE_B:
448 	case IEEE_G:
449 		for (i = 0; i <= 15; i++)
450 			pOperateMCS[i] = 0;
451 		break;
452 	case IEEE_N_24G:
453 	case IEEE_N_5G:
454 		pOperateMCS[0] &= RATE_ADPT_1SS_MASK;
455 		pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
456 		pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
457 		break;
458 	default:
459 		break;
460 
461 	}
462 
463 	return true;
464 }
465 
HTGetHighestMCSRate(struct rtllib_device * ieee,u8 * pMCSRateSet,u8 * pMCSFilter)466 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
467 		       u8 *pMCSFilter)
468 {
469 	u8		i, j;
470 	u8		bitMap;
471 	u8		mcsRate = 0;
472 	u8		availableMcsRate[16];
473 
474 	if (pMCSRateSet == NULL || pMCSFilter == NULL) {
475 		RTLLIB_DEBUG(RTLLIB_DL_ERR,
476 			     "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n");
477 		return false;
478 	}
479 	for (i = 0; i < 16; i++)
480 		availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
481 
482 	for (i = 0; i < 16; i++) {
483 		if (availableMcsRate[i] != 0)
484 			break;
485 	}
486 	if (i == 16)
487 		return false;
488 
489 	for (i = 0; i < 16; i++) {
490 		if (availableMcsRate[i] != 0) {
491 			bitMap = availableMcsRate[i];
492 			for (j = 0; j < 8; j++) {
493 				if ((bitMap%2) != 0) {
494 					if (HTMcsToDataRate(ieee, (8*i+j)) >
495 					    HTMcsToDataRate(ieee, mcsRate))
496 						mcsRate = (8*i+j);
497 				}
498 				bitMap >>= 1;
499 			}
500 		}
501 	}
502 	return mcsRate | 0x80;
503 }
504 
HTFilterMCSRate(struct rtllib_device * ieee,u8 * pSupportMCS,u8 * pOperateMCS)505 u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, u8 *pOperateMCS)
506 {
507 
508 	u8 i;
509 
510 	for (i = 0; i <= 15; i++)
511 		pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] &
512 				 pSupportMCS[i];
513 
514 	HT_PickMCSRate(ieee, pOperateMCS);
515 
516 	if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
517 		pOperateMCS[1] = 0;
518 
519 	for (i = 2; i <= 15; i++)
520 		pOperateMCS[i] = 0;
521 
522 	return true;
523 }
524 
525 void HTSetConnectBwMode(struct rtllib_device *ieee,
526 			enum ht_channel_width Bandwidth,
527 			enum ht_extchnl_offset Offset);
528 
HTOnAssocRsp(struct rtllib_device * ieee)529 void HTOnAssocRsp(struct rtllib_device *ieee)
530 {
531 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
532 	struct ht_capab_ele *pPeerHTCap = NULL;
533 	struct ht_info_ele *pPeerHTInfo = NULL;
534 	u16 nMaxAMSDUSize = 0;
535 	u8 *pMcsFilter = NULL;
536 
537 	static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
538 	static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
539 
540 	if (pHTInfo->bCurrentHTSupport == false) {
541 		RTLLIB_DEBUG(RTLLIB_DL_ERR,
542 			     "<=== HTOnAssocRsp(): HT_DISABLE\n");
543 		return;
544 	}
545 	RTLLIB_DEBUG(RTLLIB_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
546 
547 	if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
548 		pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]);
549 	else
550 		pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf);
551 
552 	if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
553 		pPeerHTInfo = (struct ht_info_ele *)
554 			     (&pHTInfo->PeerHTInfoBuf[4]);
555 	else
556 		pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf);
557 
558 	RTLLIB_DEBUG_DATA(RTLLIB_DL_DATA | RTLLIB_DL_HT, pPeerHTCap,
559 			  sizeof(struct ht_capab_ele));
560 	HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth),
561 			  (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset));
562 	pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ?
563 				 true : false);
564 
565 	pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ?
566 				    ((pPeerHTCap->ShortGI20Mhz == 1) ?
567 				    true : false) : false);
568 	pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ?
569 				     ((pPeerHTCap->ShortGI40Mhz == 1) ?
570 				     true : false) : false);
571 
572 	pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ?
573 			       ((pPeerHTCap->DssCCk == 1) ? true :
574 			       false) : false);
575 
576 
577 	pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
578 
579 	nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935;
580 
581 	if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize)
582 		pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
583 	else
584 		pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
585 
586 	pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
587 	if (ieee->rtllib_ap_sec_type &&
588 	   (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
589 		if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) ||
590 				(pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN))
591 			pHTInfo->bCurrentAMPDUEnable = false;
592 	}
593 
594 	if (!pHTInfo->bRegRT2RTAggregation) {
595 		if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
596 			pHTInfo->CurrentAMPDUFactor =
597 						 pPeerHTCap->MaxRxAMPDUFactor;
598 		else
599 			pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
600 
601 	} else {
602 		if (ieee->current_network.bssht.bdRT2RTAggregation) {
603 			if (ieee->pairwise_key_type != KEY_TYPE_NA)
604 				pHTInfo->CurrentAMPDUFactor =
605 						 pPeerHTCap->MaxRxAMPDUFactor;
606 			else
607 				pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
608 		} else {
609 			if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
610 				pHTInfo->CurrentAMPDUFactor =
611 						 pPeerHTCap->MaxRxAMPDUFactor;
612 			else
613 				pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
614 		}
615 	}
616 	if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
617 		pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
618 	else
619 		pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
620 	if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) {
621 		pHTInfo->bCurrentAMPDUEnable = false;
622 		pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
623 		pHTInfo->ForcedAMSDUMaxSize = 7935;
624 	}
625 	pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
626 
627 	if (pPeerHTCap->MCS[0] == 0)
628 		pPeerHTCap->MCS[0] = 0xff;
629 
630 	HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0));
631 
632 	HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
633 
634 	pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
635 	if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
636 		pMcsFilter = MCS_FILTER_1SS;
637 	else
638 		pMcsFilter = MCS_FILTER_ALL;
639 	ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
640 				   ieee->dot11HTOperationalRateSet, pMcsFilter);
641 	ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
642 
643 	pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
644 }
645 
HTInitializeHTInfo(struct rtllib_device * ieee)646 void HTInitializeHTInfo(struct rtllib_device *ieee)
647 {
648 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
649 
650 	RTLLIB_DEBUG(RTLLIB_DL_HT, "===========>%s()\n", __func__);
651 	pHTInfo->bCurrentHTSupport = false;
652 
653 	pHTInfo->bCurBW40MHz = false;
654 	pHTInfo->bCurTxBW40MHz = false;
655 
656 	pHTInfo->bCurShortGI20MHz = false;
657 	pHTInfo->bCurShortGI40MHz = false;
658 	pHTInfo->bForcedShortGI = false;
659 
660 	pHTInfo->bCurSuppCCK = true;
661 
662 	pHTInfo->bCurrent_AMSDU_Support = false;
663 	pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
664 	pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
665 	pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
666 
667 	memset((void *)(&(pHTInfo->SelfHTCap)), 0,
668 		sizeof(pHTInfo->SelfHTCap));
669 	memset((void *)(&(pHTInfo->SelfHTInfo)), 0,
670 		sizeof(pHTInfo->SelfHTInfo));
671 	memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0,
672 		sizeof(pHTInfo->PeerHTCapBuf));
673 	memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0,
674 		sizeof(pHTInfo->PeerHTInfoBuf));
675 
676 	pHTInfo->bSwBwInProgress = false;
677 	pHTInfo->ChnlOp = CHNLOP_NONE;
678 
679 	pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
680 
681 	pHTInfo->bCurrentRT2RTAggregation = false;
682 	pHTInfo->bCurrentRT2RTLongSlotTime = false;
683 	pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
684 
685 	pHTInfo->IOTPeer = 0;
686 	pHTInfo->IOTAction = 0;
687 	pHTInfo->IOTRaFunc = 0;
688 
689 	{
690 		u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
691 
692 		RegHTSuppRateSets[0] = 0xFF;
693 		RegHTSuppRateSets[1] = 0xFF;
694 		RegHTSuppRateSets[4] = 0x01;
695 	}
696 }
697 
HTInitializeBssDesc(struct bss_ht * pBssHT)698 void HTInitializeBssDesc(struct bss_ht *pBssHT)
699 {
700 
701 	pBssHT->bdSupportHT = false;
702 	memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
703 	pBssHT->bdHTCapLen = 0;
704 	memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
705 	pBssHT->bdHTInfoLen = 0;
706 
707 	pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE;
708 
709 	pBssHT->bdRT2RTAggregation = false;
710 	pBssHT->bdRT2RTLongSlotTime = false;
711 	pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0;
712 }
713 
HTResetSelfAndSavePeerSetting(struct rtllib_device * ieee,struct rtllib_network * pNetwork)714 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
715 				   struct rtllib_network *pNetwork)
716 {
717 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
718 	u8	bIOTAction = 0;
719 
720 	RTLLIB_DEBUG(RTLLIB_DL_HT, "==============>%s()\n", __func__);
721 	/* unmark bEnableHT flag here is the same reason why unmarked in
722 	 * function rtllib_softmac_new_net. WB 2008.09.10
723 	 */
724 	if (pNetwork->bssht.bdSupportHT) {
725 		pHTInfo->bCurrentHTSupport = true;
726 		pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
727 
728 		if (pNetwork->bssht.bdHTCapLen > 0 &&
729 		    pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
730 			memcpy(pHTInfo->PeerHTCapBuf,
731 			       pNetwork->bssht.bdHTCapBuf,
732 			       pNetwork->bssht.bdHTCapLen);
733 
734 		if (pNetwork->bssht.bdHTInfoLen > 0 &&
735 		    pNetwork->bssht.bdHTInfoLen <=
736 		    sizeof(pHTInfo->PeerHTInfoBuf))
737 			memcpy(pHTInfo->PeerHTInfoBuf,
738 			       pNetwork->bssht.bdHTInfoBuf,
739 			       pNetwork->bssht.bdHTInfoLen);
740 
741 		if (pHTInfo->bRegRT2RTAggregation) {
742 			pHTInfo->bCurrentRT2RTAggregation =
743 				 pNetwork->bssht.bdRT2RTAggregation;
744 			pHTInfo->bCurrentRT2RTLongSlotTime =
745 				 pNetwork->bssht.bdRT2RTLongSlotTime;
746 			pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
747 		} else {
748 			pHTInfo->bCurrentRT2RTAggregation = false;
749 			pHTInfo->bCurrentRT2RTLongSlotTime = false;
750 			pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
751 		}
752 
753 		HTIOTPeerDetermine(ieee);
754 
755 		pHTInfo->IOTAction = 0;
756 		bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
757 		if (bIOTAction)
758 			pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
759 
760 		bIOTAction = HTIOTActIsDisableMCS15(ieee);
761 		if (bIOTAction)
762 			pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
763 
764 		bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
765 		if (bIOTAction)
766 			pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
767 
768 
769 		bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
770 		if (bIOTAction)
771 			pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
772 
773 		bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork);
774 		if (bIOTAction)
775 			pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
776 		bIOTAction = HTIOTActIsCCDFsync(ieee);
777 		if (bIOTAction)
778 			pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
779 	} else {
780 		pHTInfo->bCurrentHTSupport = false;
781 		pHTInfo->bCurrentRT2RTAggregation = false;
782 		pHTInfo->bCurrentRT2RTLongSlotTime = false;
783 		pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
784 
785 		pHTInfo->IOTAction = 0;
786 		pHTInfo->IOTRaFunc = 0;
787 	}
788 }
789 
HT_update_self_and_peer_setting(struct rtllib_device * ieee,struct rtllib_network * pNetwork)790 void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
791 				     struct rtllib_network *pNetwork)
792 {
793 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
794 	struct ht_info_ele *pPeerHTInfo =
795 		 (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf;
796 
797 	if (pHTInfo->bCurrentHTSupport) {
798 		if (pNetwork->bssht.bdHTInfoLen != 0)
799 			pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
800 	}
801 }
802 EXPORT_SYMBOL(HT_update_self_and_peer_setting);
803 
HTUseDefaultSetting(struct rtllib_device * ieee)804 void HTUseDefaultSetting(struct rtllib_device *ieee)
805 {
806 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
807 
808 	if (pHTInfo->bEnableHT) {
809 		pHTInfo->bCurrentHTSupport = true;
810 		pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
811 
812 		pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
813 		pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz;
814 
815 		pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz;
816 
817 		if (ieee->iw_mode == IW_MODE_ADHOC)
818 			ieee->current_network.qos_data.active =
819 				 ieee->current_network.qos_data.supported;
820 		pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
821 		pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
822 
823 		pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
824 		pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
825 
826 		pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
827 
828 		HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet,
829 				ieee->dot11HTOperationalRateSet);
830 		ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
831 					   ieee->dot11HTOperationalRateSet,
832 					   MCS_FILTER_ALL);
833 		ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
834 
835 	} else {
836 		pHTInfo->bCurrentHTSupport = false;
837 	}
838 }
839 
HTCCheck(struct rtllib_device * ieee,u8 * pFrame)840 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame)
841 {
842 	if (ieee->pHTInfo->bCurrentHTSupport) {
843 		if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) {
844 			RTLLIB_DEBUG(RTLLIB_DL_HT,
845 				     "HT CONTROL FILED EXIST!!\n");
846 			return true;
847 		}
848 	}
849 	return false;
850 }
851 
HTSetConnectBwModeCallback(struct rtllib_device * ieee)852 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
853 {
854 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
855 
856 	RTLLIB_DEBUG(RTLLIB_DL_HT, "======>%s()\n", __func__);
857 	if (pHTInfo->bCurBW40MHz) {
858 		if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER)
859 			ieee->set_chan(ieee->dev,
860 				       ieee->current_network.channel + 2);
861 		else if (pHTInfo->CurSTAExtChnlOffset ==
862 			 HT_EXTCHNL_OFFSET_LOWER)
863 			ieee->set_chan(ieee->dev,
864 				       ieee->current_network.channel - 2);
865 		else
866 			ieee->set_chan(ieee->dev,
867 				       ieee->current_network.channel);
868 
869 		ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40,
870 				       pHTInfo->CurSTAExtChnlOffset);
871 	} else {
872 		ieee->set_chan(ieee->dev, ieee->current_network.channel);
873 		ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20,
874 				       HT_EXTCHNL_OFFSET_NO_EXT);
875 	}
876 
877 	pHTInfo->bSwBwInProgress = false;
878 }
879 
HTSetConnectBwMode(struct rtllib_device * ieee,enum ht_channel_width Bandwidth,enum ht_extchnl_offset Offset)880 void HTSetConnectBwMode(struct rtllib_device *ieee,
881 			enum ht_channel_width Bandwidth,
882 			enum ht_extchnl_offset Offset)
883 {
884 	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
885 
886 	if (pHTInfo->bRegBW40MHz == false)
887 		return;
888 
889 	if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
890 		Bandwidth = HT_CHANNEL_WIDTH_20;
891 
892 	if (pHTInfo->bSwBwInProgress) {
893 		pr_info("%s: bSwBwInProgress!!\n", __func__);
894 		return;
895 	}
896 	if (Bandwidth == HT_CHANNEL_WIDTH_20_40) {
897 		if (ieee->current_network.channel < 2 &&
898 		    Offset == HT_EXTCHNL_OFFSET_LOWER)
899 			Offset = HT_EXTCHNL_OFFSET_NO_EXT;
900 		if (Offset == HT_EXTCHNL_OFFSET_UPPER ||
901 		    Offset == HT_EXTCHNL_OFFSET_LOWER) {
902 			pHTInfo->bCurBW40MHz = true;
903 			pHTInfo->CurSTAExtChnlOffset = Offset;
904 		} else {
905 			pHTInfo->bCurBW40MHz = false;
906 			pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
907 		}
908 	} else {
909 		pHTInfo->bCurBW40MHz = false;
910 		pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
911 	}
912 
913 	pr_info("%s():pHTInfo->bCurBW40MHz:%x\n", __func__,
914 	       pHTInfo->bCurBW40MHz);
915 
916 	pHTInfo->bSwBwInProgress = true;
917 
918 	HTSetConnectBwModeCallback(ieee);
919 }
920