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staging: rtl8192e: rename bdSupportHT to bd_support_ht in bss_ht struct
[linux-block.git] / drivers / staging / rtl8192e / rtl819x_HTProc.c
CommitLineData
18056f34
GKH		 1// SPDX-License-Identifier: GPL-2.0
2/*
94a79942
LF		 3 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
4 *
18056f34
GKH		 5 * Contact Information: wlanfae <wlanfae@realtek.com>
6 */
94a79942
LF		 7#include "rtllib.h"
8#include "rtl819x_HT.h"
831cb9db
LF		 9u8 MCS_FILTER_ALL[16] = {
10 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
11 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
12};
13
14u8 MCS_FILTER_1SS[16] = {
15 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
16 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
17;
18
19u16 MCS_DATA_RATE[2][2][77] = {
20 {{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234,
21 260, 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416,
22 468, 520, 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182,
23 182, 208, 156, 195, 195, 234, 273, 273, 312, 130, 156, 181, 156,
24 181, 208, 234, 208, 234, 260, 260, 286, 195, 234, 273, 234, 273,
31f1c464 25 312, 351, 312, 351, 390, 390, 429},
831cb9db
LF		 26 {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
27 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520,
28 578, 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231,
29 173, 217, 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260,
30 231, 260, 289, 289, 318, 217, 260, 303, 260, 303, 347, 390, 347, 390,
31f1c464 31 433, 433, 477} },
831cb9db
LF		 32 {{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486,
33 540, 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648,
34 864, 972, 1080, 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324,
35 378, 378, 432, 324, 405, 405, 486, 567, 567, 648, 270, 324, 378, 324,
36 378, 432, 486, 432, 486, 540, 540, 594, 405, 486, 567, 486, 567, 648,
37 729, 648, 729, 810, 810, 891},
38 {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540,
39 600, 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720,
40 960, 1080, 1200, 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360,
41 420, 420, 480, 360, 450, 450, 540, 630, 630, 720, 300, 360, 420, 360,
42 420, 480, 540, 480, 540, 600, 600, 660, 450, 540, 630, 540, 630, 720,
43 810, 720, 810, 900, 900, 990} }
44};
94a79942
LF		 45
46static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
831cb9db 47
94a79942 48static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
831cb9db 49
94a79942 50static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
831cb9db 51
94a79942 52static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};
831cb9db 53
94a79942 54static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
831cb9db 55
94a79942 56static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
831cb9db 57
94a79942 58static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
831cb9db 59
94a79942 60static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
831cb9db 61
94a79942 62static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
831cb9db 63
94a79942 64static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
831cb9db 65
94a79942 66static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
831cb9db 67
94a79942 68static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
831cb9db
LF		 69
70void HTUpdateDefaultSetting(struct rtllib_device *ieee)
94a79942 71{
7796d93e 72 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942 73
94a79942
LF		 74 pHTInfo->bAcceptAddbaReq = 1;
75
831cb9db
LF		 76 pHTInfo->bRegShortGI20MHz = 1;
77 pHTInfo->bRegShortGI40MHz = 1;
94a79942
LF		 78
79 pHTInfo->bRegBW40MHz = 1;
80
81 if (pHTInfo->bRegBW40MHz)
82 pHTInfo->bRegSuppCCK = 1;
83 else
84 pHTInfo->bRegSuppCCK = true;
85
86 pHTInfo->nAMSDU_MaxSize = 7935UL;
87 pHTInfo->bAMSDU_Support = 0;
88
89 pHTInfo->bAMPDUEnable = 1;
90 pHTInfo->AMPDU_Factor = 2;
91 pHTInfo->MPDU_Density = 0;
92
93 pHTInfo->SelfMimoPs = 3;
94 if (pHTInfo->SelfMimoPs == 2)
95 pHTInfo->SelfMimoPs = 3;
96 ieee->bTxDisableRateFallBack = 0;
97 ieee->bTxUseDriverAssingedRate = 0;
98
99 ieee->bTxEnableFwCalcDur = 1;
100
101 pHTInfo->bRegRT2RTAggregation = 1;
102
103 pHTInfo->bRegRxReorderEnable = 1;
104 pHTInfo->RxReorderWinSize = 64;
105 pHTInfo->RxReorderPendingTime = 30;
94a79942 106}
831cb9db 107
e0c84c1c 108static u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
94a79942 109{
7796d93e 110 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942 111
831cb9db
LF		 112 u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0;
113 u8 isShortGI = (pHTInfo->bCurBW40MHz) ?
114 ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) :
115 ((pHTInfo->bCurShortGI20MHz) ? 1 : 0);
116 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
94a79942
LF		 117}
118
831cb9db 119u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate)
94a79942 120{
831cb9db
LF		 121 u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
122 0x24, 0x30, 0x48, 0x60, 0x6c};
94a79942
LF		 123 u8 is40MHz = 0;
124 u8 isShortGI = 0;
125
285b7c00 126 if (nDataRate < 12)
94a79942 127 return CCKOFDMRate[nDataRate];
285b7c00
MK		 128 if (nDataRate >= 0x10 && nDataRate <= 0x1f) {
129 is40MHz = 0;
130 isShortGI = 0;
131 } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) {
132 is40MHz = 1;
133 isShortGI = 0;
134 } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) {
135 is40MHz = 0;
136 isShortGI = 1;
137 } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) {
138 is40MHz = 1;
139 isShortGI = 1;
94a79942 140 }
285b7c00 141 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
94a79942
LF		 142}
143
831cb9db 144bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)
94a79942
LF		 145{
146 bool retValue = false;
831cb9db
LF		 147 struct rtllib_network *net = &ieee->current_network;
148
149 if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
150 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
151 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
152 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
153 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
154 (net->ralink_cap_exist))
155 retValue = true;
156 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
157 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
158 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ||
159 (net->broadcom_cap_exist))
94a79942 160 retValue = true;
94a79942
LF		 161 else if (net->bssht.bdRT2RTAggregation)
162 retValue = true;
163 else
164 retValue = false;
165
166 return retValue;
167}
168
ec0dc6be 169static void HTIOTPeerDetermine(struct rtllib_device *ieee)
94a79942 170{
7796d93e 171 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
831cb9db 172 struct rtllib_network *net = &ieee->current_network;
3a6b70c3 173
831cb9db 174 if (net->bssht.bdRT2RTAggregation) {
94a79942 175 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
831cb9db 176 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE)
94a79942 177 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
831cb9db 178 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP)
94a79942 179 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
8b5b1b81 180 } else if (net->broadcom_cap_exist) {
94a79942 181 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
8b5b1b81 182 } else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
831cb9db 183 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
8b5b1b81 184 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)) {
94a79942 185 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
8b5b1b81 186 } else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
831cb9db
LF		 187 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
188 (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
189 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
190 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
8b5b1b81 191 net->ralink_cap_exist) {
94a79942 192 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
8b5b1b81 193 } else if ((net->atheros_cap_exist) ||
831cb9db 194 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
8b5b1b81 195 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) {
94a79942 196 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
8b5b1b81
EV		 197 } else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
198 net->cisco_cap_exist) {
94a79942 199 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
8b5b1b81
EV		 200 } else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
201 net->marvell_cap_exist) {
94a79942 202 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
8b5b1b81 203 } else if (net->airgo_cap_exist) {
94a79942 204 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO;
8b5b1b81 205 } else {
94a79942 206 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
8b5b1b81 207 }
94a79942 208
b94436b5 209 netdev_dbg(ieee->dev, "IOTPEER: %x\n", pHTInfo->IOTPeer);
94a79942
LF		 210}
211
ec0dc6be 212static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
94a79942
LF		 213{
214 return 0;
831cb9db 215}
94a79942
LF		 216
217
ec0dc6be 218static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
94a79942 219{
e623d0f3 220 return false;
94a79942
LF		 221}
222
ec0dc6be 223static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
94a79942 224{
831cb9db 225 return false;
94a79942
LF		 226}
227
35e33b04
MK		 228static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee,
229 u8 *PeerMacAddr)
94a79942
LF		 230{
231 return false;
232}
233
ec0dc6be
LF		 234static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
235 struct rtllib_network *network)
94a79942
LF		 236{
237 u8 retValue = 0;
238
239
94a79942 240 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
94a79942 241 retValue = 1;
94a79942
LF		 242
243 return retValue;
244}
245
ec0dc6be 246static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
94a79942
LF		 247{
248 u8 retValue = 0;
831cb9db 249
94a79942 250 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
94a79942 251 retValue = 1;
94a79942
LF		 252 return retValue;
253}
254
ec0dc6be 255static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
94a79942 256{
7796d93e 257 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
3a6b70c3 258
94a79942
LF		 259 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
260
261 if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
262 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
263
264 if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
265 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
266
267}
268
831cb9db 269void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo)
94a79942
LF		 270{
271 pHTInfo->IOTAction = 0;
272 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
273 pHTInfo->IOTRaFunc = 0;
274}
275
831cb9db
LF		 276void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap,
277 u8 *len, u8 IsEncrypt, bool bAssoc)
94a79942 278{
7796d93e 279 struct rt_hi_throughput *pHT = ieee->pHTInfo;
e92b71d5 280 struct ht_capab_ele *pCapELE = NULL;
94a79942 281
831cb9db 282 if ((posHTCap == NULL) || (pHT == NULL)) {
11e672c3
MK		 283 netdev_warn(ieee->dev,
284 "%s(): posHTCap and pHTInfo are null\n", __func__);
94a79942
LF		 285 return;
286 }
287 memset(posHTCap, 0, *len);
288
831cb9db 289 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) {
94a79942 290 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
3a6b70c3 291
94a79942 292 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
e92b71d5 293 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]);
94a79942 294 *len = 30 + 2;
831cb9db 295 } else {
e92b71d5 296 pCapELE = (struct ht_capab_ele *)posHTCap;
94a79942
LF		 297 *len = 26 + 2;
298 }
299
300 pCapELE->AdvCoding = 0;
301 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
302 pCapELE->ChlWidth = 0;
303 else
831cb9db 304 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0);
94a79942
LF		 305
306 pCapELE->MimoPwrSave = pHT->SelfMimoPs;
307 pCapELE->GreenField = 0;
308 pCapELE->ShortGI20Mhz = 1;
309 pCapELE->ShortGI40Mhz = 1;
310
311 pCapELE->TxSTBC = 1;
94a79942
LF		 312 pCapELE->RxSTBC = 0;
313 pCapELE->DelayBA = 0;
831cb9db
LF		 314 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
315 pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0);
316 pCapELE->PSMP = 0;
317 pCapELE->LSigTxopProtect = 0;
94a79942
LF		 318
319
b94436b5
MK		 320 netdev_dbg(ieee->dev,
321 "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n",
322 pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
94a79942 323
831cb9db 324 if (IsEncrypt) {
94a79942
LF		 325 pCapELE->MPDUDensity = 7;
326 pCapELE->MaxRxAMPDUFactor = 2;
831cb9db 327 } else {
94a79942
LF		 328 pCapELE->MaxRxAMPDUFactor = 3;
329 pCapELE->MPDUDensity = 0;
330 }
331
332 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
333 memset(&pCapELE->ExtHTCapInfo, 0, 2);
334 memset(pCapELE->TxBFCap, 0, 4);
335
336 pCapELE->ASCap = 0;
337
338 if (bAssoc) {
339 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
340 pCapELE->MCS[1] &= 0x7f;
341
342 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
343 pCapELE->MCS[1] &= 0xbf;
344
345 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
346 pCapELE->MCS[1] &= 0x00;
347
348 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
349 pCapELE->ShortGI40Mhz = 0;
350
831cb9db 351 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
94a79942 352 pCapELE->ChlWidth = 0;
94a79942
LF		 353 pCapELE->MCS[1] = 0;
354 }
355 }
94a79942 356}
831cb9db
LF		 357
358void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo,
359 u8 *len, u8 IsEncrypt)
94a79942 360{
7796d93e 361 struct rt_hi_throughput *pHT = ieee->pHTInfo;
407e998e 362 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo;
3a6b70c3 363
831cb9db 364 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) {
11e672c3
MK		 365 netdev_warn(ieee->dev,
366 "%s(): posHTInfo and pHTInfoEle are null\n",
367 __func__);
94a79942
LF		 368 return;
369 }
370
371 memset(posHTInfo, 0, *len);
831cb9db
LF		 372 if ((ieee->iw_mode == IW_MODE_ADHOC) ||
373 (ieee->iw_mode == IW_MODE_MASTER)) {
94a79942 374 pHTInfoEle->ControlChl = ieee->current_network.channel;
e785e87b 375 pHTInfoEle->ExtChlOffset = ((!pHT->bRegBW40MHz) ?
831cb9db
LF		 376 HT_EXTCHNL_OFFSET_NO_EXT :
377 (ieee->current_network.channel <= 6)
378 ? HT_EXTCHNL_OFFSET_UPPER :
379 HT_EXTCHNL_OFFSET_LOWER);
94a79942 380 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz;
831cb9db 381 pHTInfoEle->RIFS = 0;
94a79942
LF		 382 pHTInfoEle->PSMPAccessOnly = 0;
383 pHTInfoEle->SrvIntGranularity = 0;
831cb9db 384 pHTInfoEle->OptMode = pHT->CurrentOpMode;
94a79942
LF		 385 pHTInfoEle->NonGFDevPresent = 0;
386 pHTInfoEle->DualBeacon = 0;
387 pHTInfoEle->SecondaryBeacon = 0;
388 pHTInfoEle->LSigTxopProtectFull = 0;
831cb9db
LF		 389 pHTInfoEle->PcoActive = 0;
390 pHTInfoEle->PcoPhase = 0;
94a79942
LF		 391
392 memset(pHTInfoEle->BasicMSC, 0, 16);
393
394
395 *len = 22 + 2;
396
831cb9db 397 } else {
94a79942
LF		 398 *len = 0;
399 }
94a79942
LF		 400}
401
831cb9db
LF		 402void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg,
403 u8 *len)
94a79942
LF		 404{
405 if (posRT2RTAgg == NULL) {
11e672c3 406 netdev_warn(ieee->dev, "%s(): posRT2RTAgg is null\n", __func__);
94a79942
LF		 407 return;
408 }
409 memset(posRT2RTAgg, 0, *len);
410 *posRT2RTAgg++ = 0x00;
411 *posRT2RTAgg++ = 0xe0;
412 *posRT2RTAgg++ = 0x4c;
413 *posRT2RTAgg++ = 0x02;
414 *posRT2RTAgg++ = 0x01;
415
94a79942 416 *posRT2RTAgg = 0x30;
94a79942 417
831cb9db 418 if (ieee->bSupportRemoteWakeUp)
94a79942 419 *posRT2RTAgg |= RT_HT_CAP_USE_WOW;
94a79942
LF		 420
421 *len = 6 + 2;
94a79942
LF		 422}
423
ec0dc6be 424static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
94a79942 425{
831cb9db 426 u8 i;
3a6b70c3 427
831cb9db 428 if (pOperateMCS == NULL) {
11e672c3 429 netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__);
94a79942
LF		 430 return false;
431 }
432
433 switch (ieee->mode) {
434 case IEEE_A:
435 case IEEE_B:
436 case IEEE_G:
831cb9db
LF		 437 for (i = 0; i <= 15; i++)
438 pOperateMCS[i] = 0;
94a79942
LF		 439 break;
440 case IEEE_N_24G:
441 case IEEE_N_5G:
831cb9db
LF		 442 pOperateMCS[0] &= RATE_ADPT_1SS_MASK;
443 pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
444 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
94a79942
LF		 445 break;
446 default:
447 break;
448
449 }
450
451 return true;
452}
453
831cb9db
LF		 454u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
455 u8 *pMCSFilter)
94a79942
LF		 456{
457 u8 i, j;
458 u8 bitMap;
459 u8 mcsRate = 0;
460 u8 availableMcsRate[16];
3a6b70c3 461
831cb9db 462 if (pMCSRateSet == NULL || pMCSFilter == NULL) {
11e672c3
MK		 463 netdev_warn(ieee->dev,
464 "%s(): pMCSRateSet and pMCSFilter are null\n",
465 __func__);
94a79942
LF		 466 return false;
467 }
831cb9db 468 for (i = 0; i < 16; i++)
94a79942
LF		 469 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
470
831cb9db 471 for (i = 0; i < 16; i++) {
94a79942
LF		 472 if (availableMcsRate[i] != 0)
473 break;
474 }
475 if (i == 16)
476 return false;
477
831cb9db
LF		 478 for (i = 0; i < 16; i++) {
479 if (availableMcsRate[i] != 0) {
94a79942 480 bitMap = availableMcsRate[i];
831cb9db
LF		 481 for (j = 0; j < 8; j++) {
482 if ((bitMap%2) != 0) {
483 if (HTMcsToDataRate(ieee, (8*i+j)) >
484 HTMcsToDataRate(ieee, mcsRate))
24542a00 485 mcsRate = 8 * i + j;
94a79942 486 }
be31fed4 487 bitMap >>= 1;
94a79942
LF		 488 }
489 }
490 }
831cb9db 491 return mcsRate | 0x80;
94a79942
LF		 492}
493
e0c84c1c
MK		 494static u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS,
495 u8 *pOperateMCS)
94a79942
LF		 496{
497
831cb9db 498 u8 i;
94a79942 499
831cb9db
LF		 500 for (i = 0; i <= 15; i++)
501 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] &
502 pSupportMCS[i];
94a79942
LF		 503
504 HT_PickMCSRate(ieee, pOperateMCS);
505
506 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
507 pOperateMCS[1] = 0;
508
831cb9db 509 for (i = 2; i <= 15; i++)
94a79942
LF		 510 pOperateMCS[i] = 0;
511
512 return true;
513}
831cb9db
LF		 514
515void HTSetConnectBwMode(struct rtllib_device *ieee,
516 enum ht_channel_width Bandwidth,
517 enum ht_extchnl_offset Offset);
518
94a79942
LF		 519void HTOnAssocRsp(struct rtllib_device *ieee)
520{
7796d93e 521 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
e92b71d5 522 struct ht_capab_ele *pPeerHTCap = NULL;
407e998e 523 struct ht_info_ele *pPeerHTInfo = NULL;
831cb9db
LF		 524 u16 nMaxAMSDUSize = 0;
525 u8 *pMcsFilter = NULL;
94a79942 526
831cb9db
LF		 527 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
528 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
94a79942 529
e785e87b 530 if (!pHTInfo->bCurrentHTSupport) {
11e672c3 531 netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__);
94a79942
LF		 532 return;
533 }
b94436b5 534 netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__);
94a79942 535
831cb9db 536 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
e92b71d5 537 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]);
94a79942 538 else
e92b71d5 539 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf);
94a79942
LF		 540
541 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
831cb9db
LF		 542 pPeerHTInfo = (struct ht_info_ele *)
543 (&pHTInfo->PeerHTInfoBuf[4]);
94a79942 544 else
407e998e 545 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf);
94a79942 546
72321415
MK		 547
548#ifdef VERBOSE_DEBUG
b99692f4 549 print_hex_dump_bytes("%s: ", __func__, DUMP_PREFIX_NONE,
72321415
MK		 550 pPeerHTCap, sizeof(struct ht_capab_ele));
551#endif
831cb9db
LF		 552 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth),
553 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset));
554 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ?
555 true : false);
94a79942 556
831cb9db
LF		 557 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ?
558 ((pPeerHTCap->ShortGI20Mhz == 1) ?
559 true : false) : false);
560 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ?
561 ((pPeerHTCap->ShortGI40Mhz == 1) ?
562 true : false) : false);
94a79942 563
831cb9db
LF		 564 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ?
565 ((pPeerHTCap->DssCCk == 1) ? true :
566 false) : false);
94a79942
LF		 567
568
569 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
570
831cb9db 571 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935;
94a79942 572
831cb9db 573 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize)
94a79942
LF		 574 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
575 else
576 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
577
578 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
579 if (ieee->rtllib_ap_sec_type &&
831cb9db
LF		 580 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
581 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) ||
582 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN))
94a79942
LF		 583 pHTInfo->bCurrentAMPDUEnable = false;
584 }
585
831cb9db 586 if (!pHTInfo->bRegRT2RTAggregation) {
94a79942 587 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
831cb9db
LF		 588 pHTInfo->CurrentAMPDUFactor =
589 pPeerHTCap->MaxRxAMPDUFactor;
94a79942
LF		 590 else
591 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
592
593 } else {
831cb9db
LF		 594 if (ieee->current_network.bssht.bdRT2RTAggregation) {
595 if (ieee->pairwise_key_type != KEY_TYPE_NA)
596 pHTInfo->CurrentAMPDUFactor =
597 pPeerHTCap->MaxRxAMPDUFactor;
94a79942
LF		 598 else
599 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
831cb9db 600 } else {
94a79942 601 if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
831cb9db
LF		 602 pHTInfo->CurrentAMPDUFactor =
603 pPeerHTCap->MaxRxAMPDUFactor;
94a79942
LF		 604 else
605 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
606 }
607 }
608 if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
609 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
610 else
611 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
831cb9db 612 if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) {
94a79942
LF		 613 pHTInfo->bCurrentAMPDUEnable = false;
614 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
615 pHTInfo->ForcedAMSDUMaxSize = 7935;
616 }
617 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
618
619 if (pPeerHTCap->MCS[0] == 0)
620 pPeerHTCap->MCS[0] = 0xff;
621
831cb9db 622 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0));
94a79942
LF		 623
624 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
625
626 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
627 if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
628 pMcsFilter = MCS_FILTER_1SS;
629 else
630 pMcsFilter = MCS_FILTER_ALL;
831cb9db
LF		 631 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
632 ieee->dot11HTOperationalRateSet, pMcsFilter);
94a79942
LF		 633 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
634
635 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
94a79942
LF		 636}
637
831cb9db 638void HTInitializeHTInfo(struct rtllib_device *ieee)
94a79942 639{
7796d93e 640 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942 641
b94436b5 642 netdev_vdbg(ieee->dev, "%s()\n", __func__);
94a79942
LF		 643 pHTInfo->bCurrentHTSupport = false;
644
645 pHTInfo->bCurBW40MHz = false;
646 pHTInfo->bCurTxBW40MHz = false;
647
648 pHTInfo->bCurShortGI20MHz = false;
649 pHTInfo->bCurShortGI40MHz = false;
650 pHTInfo->bForcedShortGI = false;
651
652 pHTInfo->bCurSuppCCK = true;
653
654 pHTInfo->bCurrent_AMSDU_Support = false;
655 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
656 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
657 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
658
831cb9db
LF		 659 memset((void *)(&(pHTInfo->SelfHTCap)), 0,
660 sizeof(pHTInfo->SelfHTCap));
661 memset((void *)(&(pHTInfo->SelfHTInfo)), 0,
662 sizeof(pHTInfo->SelfHTInfo));
663 memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0,
664 sizeof(pHTInfo->PeerHTCapBuf));
665 memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0,
666 sizeof(pHTInfo->PeerHTInfoBuf));
94a79942
LF		 667
668 pHTInfo->bSwBwInProgress = false;
94a79942
LF		 669
670 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
671
672 pHTInfo->bCurrentRT2RTAggregation = false;
673 pHTInfo->bCurrentRT2RTLongSlotTime = false;
bb9a7b3f 674 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
94a79942
LF		 675
676 pHTInfo->IOTPeer = 0;
677 pHTInfo->IOTAction = 0;
678 pHTInfo->IOTRaFunc = 0;
679
680 {
831cb9db 681 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
3a6b70c3 682
94a79942
LF		 683 RegHTSuppRateSets[0] = 0xFF;
684 RegHTSuppRateSets[1] = 0xFF;
685 RegHTSuppRateSets[4] = 0x01;
686 }
687}
831cb9db 688
a15e76ad 689void HTInitializeBssDesc(struct bss_ht *pBssHT)
94a79942
LF		 690{
691
b3b55bd7 692 pBssHT->bd_support_ht = false;
94a79942
LF		 693 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
694 pBssHT->bdHTCapLen = 0;
695 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
696 pBssHT->bdHTInfoLen = 0;
697
831cb9db 698 pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE;
94a79942
LF		 699
700 pBssHT->bdRT2RTAggregation = false;
701 pBssHT->bdRT2RTLongSlotTime = false;
bb9a7b3f 702 pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0;
94a79942
LF		 703}
704
831cb9db
LF		 705void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
706 struct rtllib_network *pNetwork)
94a79942 707{
7796d93e 708 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942
LF		 709 u8 bIOTAction = 0;
710
b94436b5 711 netdev_vdbg(ieee->dev, "%s()\n", __func__);
831cb9db 712 /* unmark bEnableHT flag here is the same reason why unmarked in
14b40d92
MK		 713 * function rtllib_softmac_new_net. WB 2008.09.10
714 */
b3b55bd7 715 if (pNetwork->bssht.bd_support_ht) {
94a79942
LF		 716 pHTInfo->bCurrentHTSupport = true;
717 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
718
831cb9db
LF		 719 if (pNetwork->bssht.bdHTCapLen > 0 &&
720 pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
721 memcpy(pHTInfo->PeerHTCapBuf,
722 pNetwork->bssht.bdHTCapBuf,
723 pNetwork->bssht.bdHTCapLen);
724
725 if (pNetwork->bssht.bdHTInfoLen > 0 &&
726 pNetwork->bssht.bdHTInfoLen <=
727 sizeof(pHTInfo->PeerHTInfoBuf))
728 memcpy(pHTInfo->PeerHTInfoBuf,
729 pNetwork->bssht.bdHTInfoBuf,
730 pNetwork->bssht.bdHTInfoLen);
731
732 if (pHTInfo->bRegRT2RTAggregation) {
733 pHTInfo->bCurrentRT2RTAggregation =
734 pNetwork->bssht.bdRT2RTAggregation;
735 pHTInfo->bCurrentRT2RTLongSlotTime =
736 pNetwork->bssht.bdRT2RTLongSlotTime;
94a79942 737 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
831cb9db 738 } else {
94a79942
LF		 739 pHTInfo->bCurrentRT2RTAggregation = false;
740 pHTInfo->bCurrentRT2RTLongSlotTime = false;
bb9a7b3f 741 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
94a79942
LF		 742 }
743
744 HTIOTPeerDetermine(ieee);
745
746 pHTInfo->IOTAction = 0;
747 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
748 if (bIOTAction)
749 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
750
751 bIOTAction = HTIOTActIsDisableMCS15(ieee);
752 if (bIOTAction)
753 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
754
755 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
756 if (bIOTAction)
757 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
758
759
760 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
761 if (bIOTAction)
762 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
763
831cb9db 764 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork);
94a79942
LF		 765 if (bIOTAction)
766 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
94a79942
LF		 767 bIOTAction = HTIOTActIsCCDFsync(ieee);
768 if (bIOTAction)
769 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
94a79942
LF		 770 } else {
771 pHTInfo->bCurrentHTSupport = false;
772 pHTInfo->bCurrentRT2RTAggregation = false;
773 pHTInfo->bCurrentRT2RTLongSlotTime = false;
bb9a7b3f 774 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
94a79942
LF		 775
776 pHTInfo->IOTAction = 0;
777 pHTInfo->IOTRaFunc = 0;
778 }
94a79942
LF		 779}
780
976d5341
SM		 781void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
782 struct rtllib_network *pNetwork)
94a79942 783{
7796d93e 784 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
831cb9db
LF		 785 struct ht_info_ele *pPeerHTInfo =
786 (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf;
94a79942 787
831cb9db 788 if (pHTInfo->bCurrentHTSupport) {
94a79942
LF		 789 if (pNetwork->bssht.bdHTInfoLen != 0)
790 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
94a79942
LF		 791 }
792}
976d5341 793EXPORT_SYMBOL(HT_update_self_and_peer_setting);
94a79942 794
831cb9db 795void HTUseDefaultSetting(struct rtllib_device *ieee)
94a79942 796{
7796d93e 797 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942 798
cb762154 799 if (pHTInfo->bEnableHT) {
94a79942
LF		 800 pHTInfo->bCurrentHTSupport = true;
801 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
802
803 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
831cb9db 804 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz;
94a79942 805
831cb9db 806 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz;
94a79942
LF		 807
808 if (ieee->iw_mode == IW_MODE_ADHOC)
831cb9db
LF		 809 ieee->current_network.qos_data.active =
810 ieee->current_network.qos_data.supported;
94a79942
LF		 811 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
812 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
813
814 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
815 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
816
817 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
818
831cb9db
LF		 819 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet,
820 ieee->dot11HTOperationalRateSet);
821 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
822 ieee->dot11HTOperationalRateSet,
823 MCS_FILTER_ALL);
94a79942
LF		 824 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
825
cb762154 826 } else {
94a79942
LF		 827 pHTInfo->bCurrentHTSupport = false;
828 }
94a79942 829}
cb762154 830
831cb9db 831u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame)
94a79942 832{
831cb9db
LF		 833 if (ieee->pHTInfo->bCurrentHTSupport) {
834 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) {
b94436b5 835 netdev_dbg(ieee->dev, "HT CONTROL FILED EXIST!!\n");
94a79942
LF		 836 return true;
837 }
838 }
839 return false;
840}
841
ec0dc6be 842static void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
831cb9db
LF		 843{
844 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
845
b94436b5
MK		 846 netdev_vdbg(ieee->dev, "%s()\n", __func__);
847
831cb9db
LF		 848 if (pHTInfo->bCurBW40MHz) {
849 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER)
850 ieee->set_chan(ieee->dev,
851 ieee->current_network.channel + 2);
852 else if (pHTInfo->CurSTAExtChnlOffset ==
853 HT_EXTCHNL_OFFSET_LOWER)
854 ieee->set_chan(ieee->dev,
855 ieee->current_network.channel - 2);
856 else
857 ieee->set_chan(ieee->dev,
858 ieee->current_network.channel);
859
860 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40,
861 pHTInfo->CurSTAExtChnlOffset);
862 } else {
863 ieee->set_chan(ieee->dev, ieee->current_network.channel);
864 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20,
865 HT_EXTCHNL_OFFSET_NO_EXT);
866 }
867
868 pHTInfo->bSwBwInProgress = false;
869}
870
871void HTSetConnectBwMode(struct rtllib_device *ieee,
872 enum ht_channel_width Bandwidth,
873 enum ht_extchnl_offset Offset)
94a79942 874{
7796d93e 875 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
94a79942 876
e785e87b 877 if (!pHTInfo->bRegBW40MHz)
94a79942
LF		 878 return;
879
880 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
831cb9db 881 Bandwidth = HT_CHANNEL_WIDTH_20;
94a79942
LF		 882
883 if (pHTInfo->bSwBwInProgress) {
43446728 884 pr_info("%s: bSwBwInProgress!!\n", __func__);
94a79942
LF		 885 return;
886 }
831cb9db
LF		 887 if (Bandwidth == HT_CHANNEL_WIDTH_20_40) {
888 if (ieee->current_network.channel < 2 &&
889 Offset == HT_EXTCHNL_OFFSET_LOWER)
94a79942 890 Offset = HT_EXTCHNL_OFFSET_NO_EXT;
831cb9db
LF		 891 if (Offset == HT_EXTCHNL_OFFSET_UPPER ||
892 Offset == HT_EXTCHNL_OFFSET_LOWER) {
94a79942
LF		 893 pHTInfo->bCurBW40MHz = true;
894 pHTInfo->CurSTAExtChnlOffset = Offset;
895 } else {
896 pHTInfo->bCurBW40MHz = false;
897 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
898 }
899 } else {
900 pHTInfo->bCurBW40MHz = false;
901 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
902 }
903
ad3cafd7
MP		 904 netdev_dbg(ieee->dev, "%s():pHTInfo->bCurBW40MHz:%x\n", __func__,
905 pHTInfo->bCurBW40MHz);
94a79942
LF		 906
907 pHTInfo->bSwBwInProgress = true;
908
909 HTSetConnectBwModeCallback(ieee);
94a79942 910}
Linux 6.x block layer and io_uring tree(s)