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Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
[mirror_ubuntu-artful-kernel.git] / drivers / staging / rtl8192e / rtl819x_HTProc.c
CommitLineData
94a79942
LF		 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"
831cb9db
LF		 21u8 MCS_FILTER_ALL[16] = {
22 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
23 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
24};
25
26u8 MCS_FILTER_1SS[16] = {
27 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
28 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
29;
30
31u16 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,
31f1c464 37 312, 351, 312, 351, 390, 390, 429},
831cb9db
LF		 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,
31f1c464 43 433, 433, 477} },
831cb9db
LF		 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};
94a79942
LF		 57
58static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
831cb9db 59
94a79942 60static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
831cb9db 61
94a79942 62static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
831cb9db 63
94a79942 64static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};
831cb9db 65
94a79942 66static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
831cb9db 67
94a79942 68static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
831cb9db 69
94a79942 70static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
831cb9db 71
94a79942 72static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
831cb9db 73
94a79942 74static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
831cb9db 75
94a79942 76static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
831cb9db 77
94a79942 78static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
831cb9db 79
94a79942 80static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
831cb9db
LF		 81
82void HTUpdateDefaultSetting(struct rtllib_device *ieee)
94a79942 83{
7796d93e 84 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942 85
94a79942
LF		 86 pHTInfo->bAcceptAddbaReq = 1;
87
831cb9db
LF		 88 pHTInfo->bRegShortGI20MHz = 1;
89 pHTInfo->bRegShortGI40MHz = 1;
94a79942
LF		 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;
94a79942 118}
831cb9db 119
e0c84c1c 120static u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
94a79942 121{
7796d93e 122 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942 123
831cb9db
LF		 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)];
94a79942
LF		 129}
130
831cb9db 131u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate)
94a79942 132{
831cb9db
LF		 133 u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
134 0x24, 0x30, 0x48, 0x60, 0x6c};
94a79942
LF		 135 u8 is40MHz = 0;
136 u8 isShortGI = 0;
137
285b7c00 138 if (nDataRate < 12)
94a79942 139 return CCKOFDMRate[nDataRate];
285b7c00
MK		 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;
94a79942 152 }
285b7c00 153 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
94a79942
LF		 154}
155
831cb9db 156bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)
94a79942
LF		 157{
158 bool retValue = false;
831cb9db
LF		 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))
94a79942 172 retValue = true;
94a79942
LF		 173 else if (net->bssht.bdRT2RTAggregation)
174 retValue = true;
175 else
176 retValue = false;
177
178 return retValue;
179}
180
ec0dc6be 181static void HTIOTPeerDetermine(struct rtllib_device *ieee)
94a79942 182{
7796d93e 183 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
831cb9db 184 struct rtllib_network *net = &ieee->current_network;
3a6b70c3 185
831cb9db 186 if (net->bssht.bdRT2RTAggregation) {
94a79942 187 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
831cb9db 188 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE)
94a79942 189 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
831cb9db 190 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP)
94a79942 191 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
831cb9db 192 } else if (net->broadcom_cap_exist)
94a79942 193 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
831cb9db
LF		 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))
94a79942 197 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
831cb9db
LF		 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)
94a79942 204 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
831cb9db
LF		 205 else if ((net->atheros_cap_exist) ||
206 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
94a79942
LF		 207 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
208 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
831cb9db
LF		 209 else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
210 net->cisco_cap_exist)
94a79942
LF		 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
b94436b5 220 netdev_dbg(ieee->dev, "IOTPEER: %x\n", pHTInfo->IOTPeer);
94a79942
LF		 221}
222
ec0dc6be 223static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
94a79942
LF		 224{
225 return 0;
831cb9db 226}
94a79942
LF		 227
228
ec0dc6be 229static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
94a79942 230{
e623d0f3 231 return false;
94a79942
LF		 232}
233
ec0dc6be 234static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
94a79942 235{
831cb9db 236 return false;
94a79942
LF		 237}
238
35e33b04
MK		 239static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee,
240 u8 *PeerMacAddr)
94a79942
LF		 241{
242 return false;
243}
244
ec0dc6be
LF		 245static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
246 struct rtllib_network *network)
94a79942
LF		 247{
248 u8 retValue = 0;
249
250
94a79942 251 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
94a79942 252 retValue = 1;
94a79942
LF		 253
254 return retValue;
255}
256
ec0dc6be 257static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
94a79942
LF		 258{
259 u8 retValue = 0;
831cb9db 260
94a79942 261 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
94a79942 262 retValue = 1;
94a79942
LF		 263 return retValue;
264}
265
ec0dc6be 266static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
94a79942 267{
7796d93e 268 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
3a6b70c3 269
94a79942
LF		 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
831cb9db 280void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo)
94a79942
LF		 281{
282 pHTInfo->IOTAction = 0;
283 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
284 pHTInfo->IOTRaFunc = 0;
285}
286
831cb9db
LF		 287void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap,
288 u8 *len, u8 IsEncrypt, bool bAssoc)
94a79942 289{
7796d93e 290 struct rt_hi_throughput *pHT = ieee->pHTInfo;
e92b71d5 291 struct ht_capab_ele *pCapELE = NULL;
94a79942 292
831cb9db 293 if ((posHTCap == NULL) || (pHT == NULL)) {
11e672c3
MK		 294 netdev_warn(ieee->dev,
295 "%s(): posHTCap and pHTInfo are null\n", __func__);
94a79942
LF		 296 return;
297 }
298 memset(posHTCap, 0, *len);
299
831cb9db 300 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) {
94a79942 301 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
3a6b70c3 302
94a79942 303 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
e92b71d5 304 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]);
94a79942 305 *len = 30 + 2;
831cb9db 306 } else {
e92b71d5 307 pCapELE = (struct ht_capab_ele *)posHTCap;
94a79942
LF		 308 *len = 26 + 2;
309 }
310
311 pCapELE->AdvCoding = 0;
312 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
313 pCapELE->ChlWidth = 0;
314 else
831cb9db 315 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0);
94a79942
LF		 316
317 pCapELE->MimoPwrSave = pHT->SelfMimoPs;
318 pCapELE->GreenField = 0;
319 pCapELE->ShortGI20Mhz = 1;
320 pCapELE->ShortGI40Mhz = 1;
321
322 pCapELE->TxSTBC = 1;
94a79942
LF		 323 pCapELE->RxSTBC = 0;
324 pCapELE->DelayBA = 0;
831cb9db
LF		 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;
94a79942
LF		 329
330
b94436b5
MK		 331 netdev_dbg(ieee->dev,
332 "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n",
333 pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
94a79942 334
831cb9db 335 if (IsEncrypt) {
94a79942
LF		 336 pCapELE->MPDUDensity = 7;
337 pCapELE->MaxRxAMPDUFactor = 2;
831cb9db 338 } else {
94a79942
LF		 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
831cb9db 362 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
94a79942 363 pCapELE->ChlWidth = 0;
94a79942
LF		 364 pCapELE->MCS[1] = 0;
365 }
366 }
94a79942 367}
831cb9db
LF		 368
369void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo,
370 u8 *len, u8 IsEncrypt)
94a79942 371{
7796d93e 372 struct rt_hi_throughput *pHT = ieee->pHTInfo;
407e998e 373 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo;
3a6b70c3 374
831cb9db 375 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) {
11e672c3
MK		 376 netdev_warn(ieee->dev,
377 "%s(): posHTInfo and pHTInfoEle are null\n",
378 __func__);
94a79942
LF		 379 return;
380 }
381
382 memset(posHTInfo, 0, *len);
831cb9db
LF		 383 if ((ieee->iw_mode == IW_MODE_ADHOC) ||
384 (ieee->iw_mode == IW_MODE_MASTER)) {
94a79942 385 pHTInfoEle->ControlChl = ieee->current_network.channel;
831cb9db
LF		 386 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ?
387 HT_EXTCHNL_OFFSET_NO_EXT :
388 (ieee->current_network.channel <= 6)
389 ? HT_EXTCHNL_OFFSET_UPPER :
390 HT_EXTCHNL_OFFSET_LOWER);
94a79942 391 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz;
831cb9db 392 pHTInfoEle->RIFS = 0;
94a79942
LF		 393 pHTInfoEle->PSMPAccessOnly = 0;
394 pHTInfoEle->SrvIntGranularity = 0;
831cb9db 395 pHTInfoEle->OptMode = pHT->CurrentOpMode;
94a79942
LF		 396 pHTInfoEle->NonGFDevPresent = 0;
397 pHTInfoEle->DualBeacon = 0;
398 pHTInfoEle->SecondaryBeacon = 0;
399 pHTInfoEle->LSigTxopProtectFull = 0;
831cb9db
LF		 400 pHTInfoEle->PcoActive = 0;
401 pHTInfoEle->PcoPhase = 0;
94a79942
LF		 402
403 memset(pHTInfoEle->BasicMSC, 0, 16);
404
405
406 *len = 22 + 2;
407
831cb9db 408 } else {
94a79942
LF		 409 *len = 0;
410 }
94a79942
LF		 411}
412
831cb9db
LF		 413void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg,
414 u8 *len)
94a79942
LF		 415{
416 if (posRT2RTAgg == NULL) {
11e672c3 417 netdev_warn(ieee->dev, "%s(): posRT2RTAgg is null\n", __func__);
94a79942
LF		 418 return;
419 }
420 memset(posRT2RTAgg, 0, *len);
421 *posRT2RTAgg++ = 0x00;
422 *posRT2RTAgg++ = 0xe0;
423 *posRT2RTAgg++ = 0x4c;
424 *posRT2RTAgg++ = 0x02;
425 *posRT2RTAgg++ = 0x01;
426
94a79942 427 *posRT2RTAgg = 0x30;
94a79942 428
831cb9db 429 if (ieee->bSupportRemoteWakeUp)
94a79942 430 *posRT2RTAgg |= RT_HT_CAP_USE_WOW;
94a79942
LF		 431
432 *len = 6 + 2;
94a79942
LF		 433}
434
ec0dc6be 435static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
94a79942 436{
831cb9db 437 u8 i;
3a6b70c3 438
831cb9db 439 if (pOperateMCS == NULL) {
11e672c3 440 netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__);
94a79942
LF		 441 return false;
442 }
443
444 switch (ieee->mode) {
445 case IEEE_A:
446 case IEEE_B:
447 case IEEE_G:
831cb9db
LF		 448 for (i = 0; i <= 15; i++)
449 pOperateMCS[i] = 0;
94a79942
LF		 450 break;
451 case IEEE_N_24G:
452 case IEEE_N_5G:
831cb9db
LF		 453 pOperateMCS[0] &= RATE_ADPT_1SS_MASK;
454 pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
455 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
94a79942
LF		 456 break;
457 default:
458 break;
459
460 }
461
462 return true;
463}
464
831cb9db
LF		 465u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
466 u8 *pMCSFilter)
94a79942
LF		 467{
468 u8 i, j;
469 u8 bitMap;
470 u8 mcsRate = 0;
471 u8 availableMcsRate[16];
3a6b70c3 472
831cb9db 473 if (pMCSRateSet == NULL || pMCSFilter == NULL) {
11e672c3
MK		 474 netdev_warn(ieee->dev,
475 "%s(): pMCSRateSet and pMCSFilter are null\n",
476 __func__);
94a79942
LF		 477 return false;
478 }
831cb9db 479 for (i = 0; i < 16; i++)
94a79942
LF		 480 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
481
831cb9db 482 for (i = 0; i < 16; i++) {
94a79942
LF		 483 if (availableMcsRate[i] != 0)
484 break;
485 }
486 if (i == 16)
487 return false;
488
831cb9db
LF		 489 for (i = 0; i < 16; i++) {
490 if (availableMcsRate[i] != 0) {
94a79942 491 bitMap = availableMcsRate[i];
831cb9db
LF		 492 for (j = 0; j < 8; j++) {
493 if ((bitMap%2) != 0) {
494 if (HTMcsToDataRate(ieee, (8*i+j)) >
495 HTMcsToDataRate(ieee, mcsRate))
94a79942
LF		 496 mcsRate = (8*i+j);
497 }
be31fed4 498 bitMap >>= 1;
94a79942
LF		 499 }
500 }
501 }
831cb9db 502 return mcsRate | 0x80;
94a79942
LF		 503}
504
e0c84c1c
MK		 505static u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS,
506 u8 *pOperateMCS)
94a79942
LF		 507{
508
831cb9db 509 u8 i;
94a79942 510
831cb9db
LF		 511 for (i = 0; i <= 15; i++)
512 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] &
513 pSupportMCS[i];
94a79942
LF		 514
515 HT_PickMCSRate(ieee, pOperateMCS);
516
517 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
518 pOperateMCS[1] = 0;
519
831cb9db 520 for (i = 2; i <= 15; i++)
94a79942
LF		 521 pOperateMCS[i] = 0;
522
523 return true;
524}
831cb9db
LF		 525
526void HTSetConnectBwMode(struct rtllib_device *ieee,
527 enum ht_channel_width Bandwidth,
528 enum ht_extchnl_offset Offset);
529
94a79942
LF		 530void HTOnAssocRsp(struct rtllib_device *ieee)
531{
7796d93e 532 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
e92b71d5 533 struct ht_capab_ele *pPeerHTCap = NULL;
407e998e 534 struct ht_info_ele *pPeerHTInfo = NULL;
831cb9db
LF		 535 u16 nMaxAMSDUSize = 0;
536 u8 *pMcsFilter = NULL;
94a79942 537
831cb9db
LF		 538 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
539 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
94a79942 540
831cb9db 541 if (pHTInfo->bCurrentHTSupport == false) {
11e672c3 542 netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__);
94a79942
LF		 543 return;
544 }
b94436b5 545 netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__);
94a79942 546
831cb9db 547 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
e92b71d5 548 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]);
94a79942 549 else
e92b71d5 550 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf);
94a79942
LF		 551
552 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
831cb9db
LF		 553 pPeerHTInfo = (struct ht_info_ele *)
554 (&pHTInfo->PeerHTInfoBuf[4]);
94a79942 555 else
407e998e 556 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf);
94a79942 557
72321415
MK		 558
559#ifdef VERBOSE_DEBUG
560 print_hex_dump_bytes("HTOnAssocRsp(): ", DUMP_PREFIX_NONE,
561 pPeerHTCap, sizeof(struct ht_capab_ele));
562#endif
831cb9db
LF		 563 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth),
564 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset));
565 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ?
566 true : false);
94a79942 567
831cb9db
LF		 568 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ?
569 ((pPeerHTCap->ShortGI20Mhz == 1) ?
570 true : false) : false);
571 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ?
572 ((pPeerHTCap->ShortGI40Mhz == 1) ?
573 true : false) : false);
94a79942 574
831cb9db
LF		 575 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ?
576 ((pPeerHTCap->DssCCk == 1) ? true :
577 false) : false);
94a79942
LF		 578
579
580 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
581
831cb9db 582 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935;
94a79942 583
831cb9db 584 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize)
94a79942
LF		 585 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
586 else
587 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
588
589 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
590 if (ieee->rtllib_ap_sec_type &&
831cb9db
LF		 591 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
592 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) ||
593 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN))
94a79942
LF		 594 pHTInfo->bCurrentAMPDUEnable = false;
595 }
596
831cb9db 597 if (!pHTInfo->bRegRT2RTAggregation) {
94a79942 598 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
831cb9db
LF		 599 pHTInfo->CurrentAMPDUFactor =
600 pPeerHTCap->MaxRxAMPDUFactor;
94a79942
LF		 601 else
602 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
603
604 } else {
831cb9db
LF		 605 if (ieee->current_network.bssht.bdRT2RTAggregation) {
606 if (ieee->pairwise_key_type != KEY_TYPE_NA)
607 pHTInfo->CurrentAMPDUFactor =
608 pPeerHTCap->MaxRxAMPDUFactor;
94a79942
LF		 609 else
610 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
831cb9db 611 } else {
94a79942 612 if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
831cb9db
LF		 613 pHTInfo->CurrentAMPDUFactor =
614 pPeerHTCap->MaxRxAMPDUFactor;
94a79942
LF		 615 else
616 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
617 }
618 }
619 if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
620 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
621 else
622 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
831cb9db 623 if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) {
94a79942
LF		 624 pHTInfo->bCurrentAMPDUEnable = false;
625 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
626 pHTInfo->ForcedAMSDUMaxSize = 7935;
627 }
628 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
629
630 if (pPeerHTCap->MCS[0] == 0)
631 pPeerHTCap->MCS[0] = 0xff;
632
831cb9db 633 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0));
94a79942
LF		 634
635 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
636
637 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
638 if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
639 pMcsFilter = MCS_FILTER_1SS;
640 else
641 pMcsFilter = MCS_FILTER_ALL;
831cb9db
LF		 642 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
643 ieee->dot11HTOperationalRateSet, pMcsFilter);
94a79942
LF		 644 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
645
646 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
94a79942
LF		 647}
648
831cb9db 649void HTInitializeHTInfo(struct rtllib_device *ieee)
94a79942 650{
7796d93e 651 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942 652
b94436b5 653 netdev_vdbg(ieee->dev, "%s()\n", __func__);
94a79942
LF		 654 pHTInfo->bCurrentHTSupport = false;
655
656 pHTInfo->bCurBW40MHz = false;
657 pHTInfo->bCurTxBW40MHz = false;
658
659 pHTInfo->bCurShortGI20MHz = false;
660 pHTInfo->bCurShortGI40MHz = false;
661 pHTInfo->bForcedShortGI = false;
662
663 pHTInfo->bCurSuppCCK = true;
664
665 pHTInfo->bCurrent_AMSDU_Support = false;
666 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
667 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
668 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
669
831cb9db
LF		 670 memset((void *)(&(pHTInfo->SelfHTCap)), 0,
671 sizeof(pHTInfo->SelfHTCap));
672 memset((void *)(&(pHTInfo->SelfHTInfo)), 0,
673 sizeof(pHTInfo->SelfHTInfo));
674 memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0,
675 sizeof(pHTInfo->PeerHTCapBuf));
676 memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0,
677 sizeof(pHTInfo->PeerHTInfoBuf));
94a79942
LF		 678
679 pHTInfo->bSwBwInProgress = false;
94a79942
LF		 680
681 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
682
683 pHTInfo->bCurrentRT2RTAggregation = false;
684 pHTInfo->bCurrentRT2RTLongSlotTime = false;
bb9a7b3f 685 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
94a79942
LF		 686
687 pHTInfo->IOTPeer = 0;
688 pHTInfo->IOTAction = 0;
689 pHTInfo->IOTRaFunc = 0;
690
691 {
831cb9db 692 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
3a6b70c3 693
94a79942
LF		 694 RegHTSuppRateSets[0] = 0xFF;
695 RegHTSuppRateSets[1] = 0xFF;
696 RegHTSuppRateSets[4] = 0x01;
697 }
698}
831cb9db 699
a15e76ad 700void HTInitializeBssDesc(struct bss_ht *pBssHT)
94a79942
LF		 701{
702
703 pBssHT->bdSupportHT = false;
704 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
705 pBssHT->bdHTCapLen = 0;
706 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
707 pBssHT->bdHTInfoLen = 0;
708
831cb9db 709 pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE;
94a79942
LF		 710
711 pBssHT->bdRT2RTAggregation = false;
712 pBssHT->bdRT2RTLongSlotTime = false;
bb9a7b3f 713 pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0;
94a79942
LF		 714}
715
831cb9db
LF		 716void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
717 struct rtllib_network *pNetwork)
94a79942 718{
7796d93e 719 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942
LF		 720 u8 bIOTAction = 0;
721
b94436b5 722 netdev_vdbg(ieee->dev, "%s()\n", __func__);
831cb9db 723 /* unmark bEnableHT flag here is the same reason why unmarked in
14b40d92
MK		 724 * function rtllib_softmac_new_net. WB 2008.09.10
725 */
831cb9db 726 if (pNetwork->bssht.bdSupportHT) {
94a79942
LF		 727 pHTInfo->bCurrentHTSupport = true;
728 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
729
831cb9db
LF		 730 if (pNetwork->bssht.bdHTCapLen > 0 &&
731 pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
732 memcpy(pHTInfo->PeerHTCapBuf,
733 pNetwork->bssht.bdHTCapBuf,
734 pNetwork->bssht.bdHTCapLen);
735
736 if (pNetwork->bssht.bdHTInfoLen > 0 &&
737 pNetwork->bssht.bdHTInfoLen <=
738 sizeof(pHTInfo->PeerHTInfoBuf))
739 memcpy(pHTInfo->PeerHTInfoBuf,
740 pNetwork->bssht.bdHTInfoBuf,
741 pNetwork->bssht.bdHTInfoLen);
742
743 if (pHTInfo->bRegRT2RTAggregation) {
744 pHTInfo->bCurrentRT2RTAggregation =
745 pNetwork->bssht.bdRT2RTAggregation;
746 pHTInfo->bCurrentRT2RTLongSlotTime =
747 pNetwork->bssht.bdRT2RTLongSlotTime;
94a79942 748 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
831cb9db 749 } else {
94a79942
LF		 750 pHTInfo->bCurrentRT2RTAggregation = false;
751 pHTInfo->bCurrentRT2RTLongSlotTime = false;
bb9a7b3f 752 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
94a79942
LF		 753 }
754
755 HTIOTPeerDetermine(ieee);
756
757 pHTInfo->IOTAction = 0;
758 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
759 if (bIOTAction)
760 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
761
762 bIOTAction = HTIOTActIsDisableMCS15(ieee);
763 if (bIOTAction)
764 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
765
766 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
767 if (bIOTAction)
768 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
769
770
771 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
772 if (bIOTAction)
773 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
774
831cb9db 775 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork);
94a79942
LF		 776 if (bIOTAction)
777 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
94a79942
LF		 778 bIOTAction = HTIOTActIsCCDFsync(ieee);
779 if (bIOTAction)
780 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
94a79942
LF		 781 } else {
782 pHTInfo->bCurrentHTSupport = false;
783 pHTInfo->bCurrentRT2RTAggregation = false;
784 pHTInfo->bCurrentRT2RTLongSlotTime = false;
bb9a7b3f 785 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
94a79942
LF		 786
787 pHTInfo->IOTAction = 0;
788 pHTInfo->IOTRaFunc = 0;
789 }
94a79942
LF		 790}
791
976d5341
SM		 792void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
793 struct rtllib_network *pNetwork)
94a79942 794{
7796d93e 795 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
831cb9db
LF		 796 struct ht_info_ele *pPeerHTInfo =
797 (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf;
94a79942 798
831cb9db 799 if (pHTInfo->bCurrentHTSupport) {
94a79942
LF		 800 if (pNetwork->bssht.bdHTInfoLen != 0)
801 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
94a79942
LF		 802 }
803}
976d5341 804EXPORT_SYMBOL(HT_update_self_and_peer_setting);
94a79942 805
831cb9db 806void HTUseDefaultSetting(struct rtllib_device *ieee)
94a79942 807{
7796d93e 808 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942 809
cb762154 810 if (pHTInfo->bEnableHT) {
94a79942
LF		 811 pHTInfo->bCurrentHTSupport = true;
812 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
813
814 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
831cb9db 815 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz;
94a79942 816
831cb9db 817 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz;
94a79942
LF		 818
819 if (ieee->iw_mode == IW_MODE_ADHOC)
831cb9db
LF		 820 ieee->current_network.qos_data.active =
821 ieee->current_network.qos_data.supported;
94a79942
LF		 822 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
823 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
824
825 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
826 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
827
828 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
829
831cb9db
LF		 830 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet,
831 ieee->dot11HTOperationalRateSet);
832 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
833 ieee->dot11HTOperationalRateSet,
834 MCS_FILTER_ALL);
94a79942
LF		 835 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
836
cb762154 837 } else {
94a79942
LF		 838 pHTInfo->bCurrentHTSupport = false;
839 }
94a79942 840}
cb762154 841
831cb9db 842u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame)
94a79942 843{
831cb9db
LF		 844 if (ieee->pHTInfo->bCurrentHTSupport) {
845 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) {
b94436b5 846 netdev_dbg(ieee->dev, "HT CONTROL FILED EXIST!!\n");
94a79942
LF		 847 return true;
848 }
849 }
850 return false;
851}
852
ec0dc6be 853static void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
831cb9db
LF		 854{
855 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
856
b94436b5
MK		 857 netdev_vdbg(ieee->dev, "%s()\n", __func__);
858
831cb9db
LF		 859 if (pHTInfo->bCurBW40MHz) {
860 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER)
861 ieee->set_chan(ieee->dev,
862 ieee->current_network.channel + 2);
863 else if (pHTInfo->CurSTAExtChnlOffset ==
864 HT_EXTCHNL_OFFSET_LOWER)
865 ieee->set_chan(ieee->dev,
866 ieee->current_network.channel - 2);
867 else
868 ieee->set_chan(ieee->dev,
869 ieee->current_network.channel);
870
871 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40,
872 pHTInfo->CurSTAExtChnlOffset);
873 } else {
874 ieee->set_chan(ieee->dev, ieee->current_network.channel);
875 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20,
876 HT_EXTCHNL_OFFSET_NO_EXT);
877 }
878
879 pHTInfo->bSwBwInProgress = false;
880}
881
882void HTSetConnectBwMode(struct rtllib_device *ieee,
883 enum ht_channel_width Bandwidth,
884 enum ht_extchnl_offset Offset)
94a79942 885{
7796d93e 886 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942
LF		 887
888 if (pHTInfo->bRegBW40MHz == false)
889 return;
890
891 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
831cb9db 892 Bandwidth = HT_CHANNEL_WIDTH_20;
94a79942
LF		 893
894 if (pHTInfo->bSwBwInProgress) {
43446728 895 pr_info("%s: bSwBwInProgress!!\n", __func__);
94a79942
LF		 896 return;
897 }
831cb9db
LF		 898 if (Bandwidth == HT_CHANNEL_WIDTH_20_40) {
899 if (ieee->current_network.channel < 2 &&
900 Offset == HT_EXTCHNL_OFFSET_LOWER)
94a79942 901 Offset = HT_EXTCHNL_OFFSET_NO_EXT;
831cb9db
LF		 902 if (Offset == HT_EXTCHNL_OFFSET_UPPER ||
903 Offset == HT_EXTCHNL_OFFSET_LOWER) {
94a79942
LF		 904 pHTInfo->bCurBW40MHz = true;
905 pHTInfo->CurSTAExtChnlOffset = Offset;
906 } else {
907 pHTInfo->bCurBW40MHz = false;
908 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
909 }
910 } else {
911 pHTInfo->bCurBW40MHz = false;
912 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
913 }
914
43446728 915 pr_info("%s():pHTInfo->bCurBW40MHz:%x\n", __func__,
831cb9db 916 pHTInfo->bCurBW40MHz);
94a79942
LF		 917
918 pHTInfo->bSwBwInProgress = true;
919
920 HTSetConnectBwModeCallback(ieee);
94a79942 921}
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