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/drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c

https://github.com/Mengqi/linux-2.6
C | 1489 lines | 886 code | 214 blank | 389 comment | 182 complexity | 8d86086e2bc39a0437f21fc27adc8934 MD5 | raw file
    

  1. 

  2. //As this function is mainly ported from Windows driver, so leave the name little changed. If any confusion caused, tell me. Created by WB. 2008.05.08
    3. 

  3. #include "ieee80211.h"
    4. 

  4. #include "rtl819x_HT.h"
    5. 

  5. u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
    6. 

  6. 

  7. u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
    8. 

  8. 

  9. u16 MCS_DATA_RATE[2][2][77] =
    10. 

  10. 	{	{	{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78 ,104, 156, 208, 234, 260,
    11. 

  11. 			39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520,
    12. 

  12. 			0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195,
    13. 

  13. 			195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260,
    14. 

  14. 			286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429},			// Long GI, 20MHz
    15. 

  15. 			{14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
    16. 

  16. 			43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578,
    17. 

  17. 			0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217,
    18. 

  18. 			217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289,
    19. 

  19. 			318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477}	},		// Short GI, 20MHz
    20. 

  20. 		{	{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540,
    21. 

  21. 			81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080,
    22. 

  22. 			12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405,
    23. 

  23. 			405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540,
    24. 

  24. 			594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891}, 	// Long GI, 40MHz
    25. 

  25. 			{30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600,
    26. 

  26. 			90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200,
    27. 

  27. 			13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450,
    28. 

  28. 			450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600,
    29. 

  29. 			660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990}	}	// Short GI, 40MHz
    30. 

  30. 	};
    31. 

  31. 

  32. static const u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
    33. 

  33. static const u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
    34. 

  34. static const u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
    35. 

  35. //static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f};
    36. 

  36. static const u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};
    37. 

  37. static const u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
    38. 

  38. static const u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
    39. 

  39. static const u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
    40. 

  40. static const u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
    41. 

  41. static const u8 DLINK_ATHEROS[3] = {0x00, 0x1c, 0xf0};
    42. 

  42. static const u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
    43. 

  43. static const u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
    44. 

  44. 

  45. // 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we put the
    46. 

  46. // code in other place??
    47. 

  47. //static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96};
    48. 

  48. /********************************************************************************************************************
    49. 

  49.  *function:  This function update default settings in pHTInfo structure
    50. 

  50.  *   input:  PRT_HIGH_THROUGHPUT	pHTInfo
    51. 

  51.  *  output:  none
    52. 

  52.  *  return:  none
    53. 

  53.  *  notice:  These value need be modified if any changes.
    54. 

  54.  * *****************************************************************************************************************/
    55. 

  55. void HTUpdateDefaultSetting(struct ieee80211_device* ieee)
    56. 

  56. {
    57. 

  57. 	PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
    58. 

  58. 

  59. 	// ShortGI support
    60. 

  60. 	pHTInfo->bRegShortGI20MHz= 1;
    61. 

  61. 	pHTInfo->bRegShortGI40MHz= 1;
    62. 

  62. 

  63. 	// 40MHz channel support
    64. 

  64. 	pHTInfo->bRegBW40MHz = 1;
    65. 

  65. 

  66. 	// CCK rate support in 40MHz channel
    67. 

  67. 	if(pHTInfo->bRegBW40MHz)
    68. 

  68. 		pHTInfo->bRegSuppCCK = 1;
    69. 

  69. 	else
    70. 

  70. 		pHTInfo->bRegSuppCCK = true;
    71. 

  71. 

  72. 	// AMSDU related
    73. 

  73. 	pHTInfo->nAMSDU_MaxSize = 7935UL;
    74. 

  74. 	pHTInfo->bAMSDU_Support = 0;
    75. 

  75. 

  76. 	// AMPDU related
    77. 

  77. 	pHTInfo->bAMPDUEnable = 1;
    78. 

  78. 	pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k)
    79. 

  79. 	pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec
    80. 

  80. 

  81. 	// MIMO Power Save
    82. 

  82. 	pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.)
    83. 

  83. 	if(pHTInfo->SelfMimoPs == 2)
    84. 

  84. 		pHTInfo->SelfMimoPs = 3;
    85. 

  85. 	// 8190 only. Assign rate operation mode to firmware
    86. 

  86. 	ieee->bTxDisableRateFallBack = 0;
    87. 

  87. 	ieee->bTxUseDriverAssingedRate = 0;
    88. 

  88. 

  89. #ifdef 	TO_DO_LIST
    90. 

  90. 	// 8190 only. Assign duration operation mode to firmware
    91. 

  91. 	pMgntInfo->bTxEnableFwCalcDur = (BOOLEAN)pNdisCommon->bRegTxEnableFwCalcDur;
    92. 

  92. #endif
    93. 

  93. 	// 8190 only, Realtek proprietary aggregation mode
    94. 

  94. 	// Set MPDUDensity=2,   1: Set MPDUDensity=2(32k)  for Realtek AP and set MPDUDensity=0(8k) for others
    95. 

  95. 	pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2,   1: Set MPDUDensity=2(32k)  for Realtek AP and set MPDUDensity=0(8k) for others
    96. 

  96. 

  97. 	// For Rx Reorder Control
    98. 

  98. 	pHTInfo->bRegRxReorderEnable = 1;
    99. 

  99. 	pHTInfo->RxReorderWinSize = 64;
    100. 

  100. 	pHTInfo->RxReorderPendingTime = 30;
    101. 

  101. 

  102. #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
    103. 

  103. 	pHTInfo->UsbTxAggrNum = 4;
    104. 

  104. #endif
    105. 

  105. #ifdef USB_RX_AGGREGATION_SUPPORT
    106. 

  106. 	pHTInfo->UsbRxFwAggrEn = 1;
    107. 

  107. 	pHTInfo->UsbRxFwAggrPageNum = 24;
    108. 

  108. 	pHTInfo->UsbRxFwAggrPacketNum = 8;
    109. 

  109. 	pHTInfo->UsbRxFwAggrTimeout = 16; ////usb rx FW aggregation timeout threshold.It's in units of 64us
    110. 

  110. #endif
    111. 

  111. 

  112. 

  113. }
    114. 

  114. /********************************************************************************************************************
    115. 

  115.  *function:  This function print out each field on HT capability IE mainly from (Beacon/ProbeRsp/AssocReq)
    116. 

  116.  *   input:  u8*	CapIE       //Capability IE to be printed out
    117. 

  117.  *   	     u8* 	TitleString //mainly print out caller function
    118. 

  118.  *  output:  none
    119. 

  119.  *  return:  none
    120. 

  120.  *  notice:  Driver should not print out this message by default.
    121. 

  121.  * *****************************************************************************************************************/
    122. 

  122. void HTDebugHTCapability(u8* CapIE, u8* TitleString )
    123. 

  123. {
    124. 

  124. 

  125. 	static u8	EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};	// For 11n EWC definition, 2007.07.17, by Emily
    126. 

  126. 	PHT_CAPABILITY_ELE 		pCapELE;
    127. 

  127. 

  128. 	if(!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap)))
    129. 

  129. 	{
    130. 

  130. 		//EWC IE
    131. 

  131. 		IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__);
    132. 

  132. 		pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[4]);
    133. 

  133. 	}else
    134. 

  134. 		pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[0]);
    135. 

  135. 

  136. 	IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString );
    137. 

  137. 

  138. 	IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth)?"20MHz": "20/40MHz");
    139. 

  139. 	IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz)?"YES": "NO");
    140. 

  140. 	IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz)?"YES": "NO");
    141. 

  141. 	IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC)?"YES": "NO");
    142. 

  142. 	IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize)?"3839": "7935");
    143. 

  143. 	IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk)?"YES": "NO");
    144. 

  144. 	IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor);
    145. 

  145. 	IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMPDU Density = %d\n", pCapELE->MPDUDensity);
    146. 

  146. 	IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\
    147. 

  147. 				pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]);
    148. 

  148. }
    149. 

  149. /********************************************************************************************************************
    150. 

  150.  *function:  This function print out each field on HT Information IE mainly from (Beacon/ProbeRsp)
    151. 

  151.  *   input:  u8*	InfoIE       //Capability IE to be printed out
    152. 

  152.  *   	     u8* 	TitleString //mainly print out caller function
    153. 

  153.  *  output:  none
    154. 

  154.  *  return:  none
    155. 

  155.  *  notice:  Driver should not print out this message by default.
    156. 

  156.  * *****************************************************************************************************************/
    157. 

  157. void HTDebugHTInfo(u8*	InfoIE, u8* TitleString)
    158. 

  158. {
    159. 

  159. 

  160. 	static u8	EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};	// For 11n EWC definition, 2007.07.17, by Emily
    161. 

  161. 	PHT_INFORMATION_ELE		pHTInfoEle;
    162. 

  162. 

  163. 	if(!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
    164. 

  164. 	{
    165. 

  165. 		// Not EWC IE
    166. 

  166. 		IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__);
    167. 

  167. 		pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]);
    168. 

  168. 	}else
    169. 

  169. 		pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]);
    170. 

  170. 

  171. 

  172. 	IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString);
    173. 

  173. 

  174. 	IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl);
    175. 

  175. 	IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSenondary channel =");
    176. 

  176. 	switch(pHTInfoEle->ExtChlOffset)
    177. 

  177. 	{
    178. 

  178. 		case 0:
    179. 

  179. 			IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n");
    180. 

  180. 			break;
    181. 

  181. 		case 1:
    182. 

  182. 			IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n");
    183. 

  183. 			break;
    184. 

  184. 		case 2:
    185. 

  185. 			IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n");
    186. 

  186. 			break;
    187. 

  187. 		case 3:
    188. 

  188. 			IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n");
    189. 

  189. 			break;
    190. 

  190. 	}
    191. 

  191. 	IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth)?"20Mhz": "40Mhz");
    192. 

  192. 

  193. 	IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = ");
    194. 

  194. 	switch(pHTInfoEle->OptMode)
    195. 

  195. 	{
    196. 

  196. 		case 0:
    197. 

  197. 			IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n");
    198. 

  198. 			break;
    199. 

  199. 		case 1:
    200. 

  200. 			IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n");
    201. 

  201. 			break;
    202. 

  202. 		case 2:
    203. 

  203. 			IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n");
    204. 

  204. 			break;
    205. 

  205. 		case 3:
    206. 

  206. 			IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n");
    207. 

  207. 			break;
    208. 

  208. 	}
    209. 

  209. 

  210. 	IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\
    211. 

  211. 				pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]);
    212. 

  212. }
    213. 

  213. 

  214. /*
    215. 

  215. *	Return:     	true if station in half n mode and AP supports 40 bw
    216. 

  216. */
    217. 

  217. bool IsHTHalfNmode40Bandwidth(struct ieee80211_device* ieee)
    218. 

  218. {
    219. 

  219. 	bool			retValue = false;
    220. 

  220. 	PRT_HIGH_THROUGHPUT	 pHTInfo = ieee->pHTInfo;
    221. 

  221. 

  222. 	if(pHTInfo->bCurrentHTSupport == false )	// wireless is n mode
    223. 

  223. 		retValue = false;
    224. 

  224. 	else if(pHTInfo->bRegBW40MHz == false)	// station supports 40 bw
    225. 

  225. 		retValue = false;
    226. 

  226. 	else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee))	// station in half n mode
    227. 

  227. 		retValue = false;
    228. 

  228. 	else if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ChlWidth) // ap support 40 bw
    229. 

  229. 		retValue = true;
    230. 

  230. 	else
    231. 

  231. 		retValue = false;
    232. 

  232. 

  233. 	return retValue;
    234. 

  234. }
    235. 

  235. 

  236. bool IsHTHalfNmodeSGI(struct ieee80211_device* ieee, bool is40MHz)
    237. 

  237. {
    238. 

  238. 	bool			retValue = false;
    239. 

  239. 	PRT_HIGH_THROUGHPUT	 pHTInfo = ieee->pHTInfo;
    240. 

  240. 

  241. 	if(pHTInfo->bCurrentHTSupport == false )	// wireless is n mode
    242. 

  242. 		retValue = false;
    243. 

  243. 	else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee))	// station in half n mode
    244. 

  244. 		retValue = false;
    245. 

  245. 	else if(is40MHz) // ap support 40 bw
    246. 

  246. 	{
    247. 

  247. 		if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI40Mhz) // ap support 40 bw short GI
    248. 

  248. 			retValue = true;
    249. 

  249. 		else
    250. 

  250. 			retValue = false;
    251. 

  251. 	}
    252. 

  252. 	else
    253. 

  253. 	{
    254. 

  254. 		if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI20Mhz) // ap support 40 bw short GI
    255. 

  255. 			retValue = true;
    256. 

  256. 		else
    257. 

  257. 			retValue = false;
    258. 

  258. 	}
    259. 

  259. 

  260. 	return retValue;
    261. 

  261. }
    262. 

  262. 

  263. u16 HTHalfMcsToDataRate(struct ieee80211_device* ieee, 	u8	nMcsRate)
    264. 

  264. {
    265. 

  265. 

  266. 	u8	is40MHz;
    267. 

  267. 	u8	isShortGI;
    268. 

  268. 

  269. 	is40MHz  =  (IsHTHalfNmode40Bandwidth(ieee))?1:0;
    270. 

  270. 	isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz))? 1:0;
    271. 

  271. 

  272. 	return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
    273. 

  273. }
    274. 

  274. 

  275. 

  276. u16 HTMcsToDataRate( struct ieee80211_device* ieee, u8 nMcsRate)
    277. 

  277. {
    278. 

  278. 	PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
    279. 

  279. 

  280. 	u8	is40MHz = (pHTInfo->bCurBW40MHz)?1:0;
    281. 

  281. 	u8	isShortGI = (pHTInfo->bCurBW40MHz)?
    282. 

  282. 						((pHTInfo->bCurShortGI40MHz)?1:0):
    283. 

  283. 						((pHTInfo->bCurShortGI20MHz)?1:0);
    284. 

  284. 	return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
    285. 

  285. }
    286. 

  286. 

  287. /********************************************************************************************************************
    288. 

  288.  *function:  This function returns current datarate.
    289. 

  289.  *   input:  struct ieee80211_device* 	ieee
    290. 

  290.  *   	     u8 			nDataRate
    291. 

  291.  *  output:  none
    292. 

  292.  *  return:  tx rate
    293. 

  293.  *  notice:  quite unsure about how to use this function //wb
    294. 

  294.  * *****************************************************************************************************************/
    295. 

  295. u16  TxCountToDataRate( struct ieee80211_device* ieee, u8 nDataRate)
    296. 

  296. {
    297. 

  297. 	//PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
    298. 

  298. 	u16		CCKOFDMRate[12] = {0x02 , 0x04 , 0x0b , 0x16 , 0x0c , 0x12 , 0x18 , 0x24 , 0x30 , 0x48 , 0x60 , 0x6c};
    299. 

  299. 	u8	is40MHz = 0;
    300. 

  300. 	u8	isShortGI = 0;
    301. 

  301. 

  302. 	if(nDataRate < 12)
    303. 

  303. 	{
    304. 

  304. 		return CCKOFDMRate[nDataRate];
    305. 

  305. 	}
    306. 

  306. 	else
    307. 

  307. 	{
    308. 

  308. 		if (nDataRate >= 0x10 && nDataRate <= 0x1f)//if(nDataRate > 11 && nDataRate < 28 )
    309. 

  309. 		{
    310. 

  310. 			is40MHz = 0;
    311. 

  311. 			isShortGI = 0;
    312. 

  312. 

  313. 		      // nDataRate = nDataRate - 12;
    314. 

  314. 		}
    315. 

  315. 		else if(nDataRate >=0x20  && nDataRate <= 0x2f ) //(27, 44)
    316. 

  316. 		{
    317. 

  317. 			is40MHz = 1;
    318. 

  318. 			isShortGI = 0;
    319. 

  319. 

  320. 			//nDataRate = nDataRate - 28;
    321. 

  321. 		}
    322. 

  322. 		else if(nDataRate >= 0x30  && nDataRate <= 0x3f )  //(43, 60)
    323. 

  323. 		{
    324. 

  324. 			is40MHz = 0;
    325. 

  325. 			isShortGI = 1;
    326. 

  326. 

  327. 			//nDataRate = nDataRate - 44;
    328. 

  328. 		}
    329. 

  329. 		else if(nDataRate >= 0x40  && nDataRate <= 0x4f ) //(59, 76)
    330. 

  330. 		{
    331. 

  331. 			is40MHz = 1;
    332. 

  332. 			isShortGI = 1;
    333. 

  333. 

  334. 			//nDataRate = nDataRate - 60;
    335. 

  335. 		}
    336. 

  336. 		return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
    337. 

  337. 	}
    338. 

  338. }
    339. 

  339. 

  340. 

  341. 

  342. bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee)
    343. 

  343. {
    344. 

  344. 	bool			retValue = false;
    345. 

  345. 	struct ieee80211_network* net = &ieee->current_network;
    346. 

  346. #if 0
    347. 

  347. 	if(ieee->bHalfNMode == false)
    348. 

  348. 		retValue = false;
    349. 

  349. 	else
    350. 

  350. #endif
    351. 

  351. 	if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
    352. 

  352. 	   	     (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
    353. 

  353. 		     (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
    354. 

  354. 		     (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
    355. 

  355. 		     (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
    356. 

  356. 		     (net->ralink_cap_exist))
    357. 

  357. 		retValue = true;
    358. 

  358. 	else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
    359. 

  359.     		    (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
    360. 

  360.     		    (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
    361. 

  361.     		    //(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ||
    362. 

  362.     		    (net->broadcom_cap_exist))
    363. 

  363.     		  retValue = true;
    364. 

  364. 	else if(net->bssht.bdRT2RTAggregation)
    365. 

  365. 		retValue = true;
    366. 

  366. 	else
    367. 

  367. 		retValue = false;
    368. 

  368. 

  369. 	return retValue;
    370. 

  370. }
    371. 

  371. 

  372. /********************************************************************************************************************
    373. 

  373.  *function:  This function returns peer IOT.
    374. 

  374.  *   input:  struct ieee80211_device* 	ieee
    375. 

  375.  *  output:  none
    376. 

  376.  *  return:
    377. 

  377.  *  notice:
    378. 

  378.  * *****************************************************************************************************************/
    379. 

  379. void HTIOTPeerDetermine(struct ieee80211_device* ieee)
    380. 

  380. {
    381. 

  381. 	PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
    382. 

  382. 	struct ieee80211_network* net = &ieee->current_network;
    383. 

  383. 	if(net->bssht.bdRT2RTAggregation)
    384. 

  384. 		pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
    385. 

  385. 	else if(net->broadcom_cap_exist){
    386. 

  386. 		pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
    387. 

  387. 	}
    388. 

  388. 	else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
    389. 

  389. 			(memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
    390. 

  390. 			(memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)){//||
    391. 

  391. 			//(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ){
    392. 

  392. 		pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
    393. 

  393. 	}
    394. 

  394. 	else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
    395. 

  395. 			(memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
    396. 

  396. 			(memcmp(net->bssid, PCI_RALINK, 3)==0) ||
    397. 

  397. 			(memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
    398. 

  398. 			(memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
    399. 

  399. 			 net->ralink_cap_exist)
    400. 

  400. 		pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
    401. 

  401. 	else if((net->atheros_cap_exist )|| (memcmp(net->bssid, DLINK_ATHEROS, 3) == 0))
    402. 

  402. 		pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
    403. 

  403. 	else if(memcmp(net->bssid, CISCO_BROADCOM, 3)==0)
    404. 

  404. 		pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
    405. 

  405.         else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
    406. 

  406. 			net->marvell_cap_exist){
    407. 

  407. 		pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
    408. 

  408. 	}
    409. 

  409. 	else
    410. 

  410. 		pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
    411. 

  411. 

  412. 	IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer);
    413. 

  413. }
    414. 

  414. /********************************************************************************************************************
    415. 

  415.  *function:  Check whether driver should declare received rate up to MCS13 only since some chipset is not good
    416. 

  416.  *	     at receiving MCS14~15 frame from some AP.
    417. 

  417.  *   input:  struct ieee80211_device* 	ieee
    418. 

  418.  *   	     u8 *			PeerMacAddr
    419. 

  419.  *  output:  none
    420. 

  420.  *  return:  return 1 if driver should declare MCS13 only(otherwise return 0)
    421. 

  421.   * *****************************************************************************************************************/
    422. 

  422. u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr)
    423. 

  423. {
    424. 

  424. 	u8 ret = 0;
    425. 

  425. #if 0
    426. 

  426. 	// Apply for 819u only
    427. 

  427. #if (HAL_CODE_BASE==RTL8192 && DEV_BUS_TYPE==USB_INTERFACE)
    428. 

  428. 	if((memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) ||
    429. 

  429.     		(memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)
    430. 

  430. 	    )
    431. 

  431. 	{
    432. 

  432. 		ret = 1;
    433. 

  433. 	}
    434. 

  434. 

  435. 

  436. 	if(pHTInfo->bCurrentRT2RTAggregation)
    437. 

  437. 	{
    438. 

  438. 		// The parameter of pHTInfo->bCurrentRT2RTAggregation must be decided previously
    439. 

  439. 		ret = 1;
    440. 

  440. 	}
    441. 

  441. #endif
    442. 

  442. #endif
    443. 

  443. 	return ret;
    444. 

  444.  }
    445. 

  445. 

  446. u8 HTIOTActIsForcedCTS2Self(struct ieee80211_device *ieee, struct ieee80211_network *network)
    447. 

  447. {
    448. 

  448.         u8      retValue = 0;
    449. 

  449.         //if(network->marvell_cap_exist)
    450. 

  450.         if(ieee->pHTInfo->IOTPeer == HT_IOT_PEER_MARVELL)
    451. 

  451.         {
    452. 

  452.                 retValue = 1;
    453. 

  453.         }
    454. 

  454. 

  455.         return retValue;
    456. 

  456. }
    457. 

  457. 

  458. 

  459. /**
    460. 

  460. * Function:	HTIOTActIsDisableMCS15
    461. 

  461. *
    462. 

  462. * Overview:	Check whether driver should declare capability of receiving MCS15
    463. 

  463. *
    464. 

  464. * Input:
    465. 

  465. *			PADAPTER		Adapter,
    466. 

  466. *
    467. 

  467. * Output:		None
    468. 

  468. * Return:     	true if driver should disable MCS15
    469. 

  469. * 2008.04.15	Emily
    470. 

  470. */
    471. 

  471. bool HTIOTActIsDisableMCS15(struct ieee80211_device* ieee)
    472. 

  472. {
    473. 

  473. 	bool retValue = false;
    474. 

  474. 

  475. #ifdef TODO
    476. 

  476. 	// Apply for 819u only
    477. 

  477. #if (HAL_CODE_BASE==RTL8192)
    478. 

  478. 

  479. #if (DEV_BUS_TYPE == USB_INTERFACE)
    480. 

  480. 	// Alway disable MCS15 by Jerry Chang's request.by Emily, 2008.04.15
    481. 

  481. 	retValue = true;
    482. 

  482. #elif (DEV_BUS_TYPE == PCI_INTERFACE)
    483. 

  483. 	// Enable MCS15 if the peer is Cisco AP. by Emily, 2008.05.12
    484. 

  484. //	if(pBssDesc->bCiscoCapExist)
    485. 

  485. //		retValue = false;
    486. 

  486. //	else
    487. 

  487. 		retValue = false;
    488. 

  488. #endif
    489. 

  489. #endif
    490. 

  490. #endif
    491. 

  491. 	// Jerry Chang suggest that 8190 1x2 does not need to disable MCS15
    492. 

  492. 

  493. 	return retValue;
    494. 

  494. }
    495. 

  495. 

  496. /**
    497. 

  497. * Function:	HTIOTActIsDisableMCSTwoSpatialStream
    498. 

  498. *
    499. 

  499. * Overview:	Check whether driver should declare capability of receiving All 2 ss packets
    500. 

  500. *
    501. 

  501. * Input:
    502. 

  502. *			PADAPTER		Adapter,
    503. 

  503. *
    504. 

  504. * Output:		None
    505. 

  505. * Return:     	true if driver should disable all two spatial stream packet
    506. 

  506. * 2008.04.21	Emily
    507. 

  507. */
    508. 

  508. bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device* ieee, u8 *PeerMacAddr)
    509. 

  509. {
    510. 

  510. 	bool retValue = false;
    511. 

  511. 

  512. #ifdef TODO
    513. 

  513. 	// Apply for 819u only
    514. 

  514. //#if (HAL_CODE_BASE==RTL8192)
    515. 

  515. 

  516. 	//This rule only apply to Belkin(Ralink) AP
    517. 

  517. 	if(IS_UNDER_11N_AES_MODE(Adapter))
    518. 

  518. 	{
    519. 

  519. 		if((PlatformCompareMemory(PeerMacAddr, BELKINF5D8233V1_RALINK, 3)==0) ||
    520. 

  520. 				(PlatformCompareMemory(PeerMacAddr, PCI_RALINK, 3)==0) ||
    521. 

  521. 				(PlatformCompareMemory(PeerMacAddr, EDIMAX_RALINK, 3)==0))
    522. 

  522. 		{
    523. 

  523. 			//Set True to disable this function. Disable by default, Emily, 2008.04.23
    524. 

  524. 			retValue = false;
    525. 

  525. 		}
    526. 

  526. 	}
    527. 

  527. 

  528. //#endif
    529. 

  529. #endif
    530. 

  530. 	return retValue;
    531. 

  531. }
    532. 

  532. 

  533. /********************************************************************************************************************
    534. 

  534.  *function:  Check whether driver should disable EDCA turbo mode
    535. 

  535.  *   input:  struct ieee80211_device* 	ieee
    536. 

  536.  *   	     u8* 			PeerMacAddr
    537. 

  537.  *  output:  none
    538. 

  538.  *  return:  return 1 if driver should disable EDCA turbo mode(otherwise return 0)
    539. 

  539.   * *****************************************************************************************************************/
    540. 

  540. u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device* 	ieee, u8* PeerMacAddr)
    541. 

  541. {
    542. 

  542. 	u8	retValue = false;	// default enable EDCA Turbo mode.
    543. 

  543. 	// Set specific EDCA parameter for different AP in DM handler.
    544. 

  544. 

  545. 	return retValue;
    546. 

  546. #if 0
    547. 

  547. 	if((memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0)||
    548. 

  548. 		(memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
    549. 

  549. 		(memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
    550. 

  550. 		(memcmp(PeerMacAddr, NETGEAR834Bv2_BROADCOM, 3)==0))
    551. 

  551. 

  552. 	{
    553. 

  553. 		retValue = 1;	//Linksys disable EDCA turbo mode
    554. 

  554. 	}
    555. 

  555. 

  556. 	return retValue;
    557. 

  557. #endif
    558. 

  558. }
    559. 

  559. 

  560. /********************************************************************************************************************
    561. 

  561.  *function:  Check whether we need to use OFDM to sned MGNT frame for broadcom AP
    562. 

  562.  *   input:  struct ieee80211_network *network   //current network we live
    563. 

  563.  *  output:  none
    564. 

  564.  *  return:  return 1 if true
    565. 

  565.   * *****************************************************************************************************************/
    566. 

  566. u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network)
    567. 

  567. {
    568. 

  568. 	u8	retValue = 0;
    569. 

  569. 

  570. 	// 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP.
    571. 

  571. 	// 2008/01/28 MH We must prevent that we select null bssid to link.
    572. 

  572. 

  573. 	if(network->broadcom_cap_exist)
    574. 

  574. 	{
    575. 

  575. 		retValue = 1;
    576. 

  576. 	}
    577. 

  577. 

  578. 	return retValue;
    579. 

  579. }
    580. 

  580. 

  581. u8 HTIOTActIsCCDFsync(u8* PeerMacAddr)
    582. 

  582. {
    583. 

  583. 	u8	retValue = 0;
    584. 

  584. 	if(	(memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) ||
    585. 

  585. 	    	(memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) ||
    586. 

  586. 	    	(memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0))
    587. 

  587. 	{
    588. 

  588. 		retValue = 1;
    589. 

  589. 	}
    590. 

  590. 

  591. 	return retValue;
    592. 

  592. }
    593. 

  593. 

  594. //
    595. 

  595. //  Send null data for to tell AP that we are awake.
    596. 

  596. //
    597. 

  597. bool
    598. 

  598. HTIOTActIsNullDataPowerSaving(struct ieee80211_device* ieee,struct ieee80211_network *network)
    599. 

  599. {
    600. 

  600. 	bool	retValue = false;
    601. 

  601. 

  602. 	PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
    603. 

  603. 	{
    604. 

  604. 		if(pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) // ||(pBssDesc->Vender == HT_IOT_PEER_ATHEROS && pBssDesc->SubTypeOfVender == HT_IOT_PEER_ATHEROS_DIR635))
    605. 

  605. 			return true;
    606. 

  606. 

  607. 	}
    608. 

  608. 	return retValue;
    609. 

  609. }
    610. 

  610. 

  611. void HTResetIOTSetting(
    612. 

  612. 	PRT_HIGH_THROUGHPUT		pHTInfo
    613. 

  613. )
    614. 

  614. {
    615. 

  615. 	pHTInfo->IOTAction = 0;
    616. 

  616. 	pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
    617. 

  617. }
    618. 

  618. 

  619. 

  620. /********************************************************************************************************************
    621. 

  621.  *function:  Construct Capablility Element in Beacon... if HTEnable is turned on
    622. 

  622.  *   input:  struct ieee80211_device* 	ieee
    623. 

  623.  *   	     u8* 			posHTCap //pointer to store Capability Ele
    624. 

  624.  *   	     u8*			len //store length of CE
    625. 

  625.  *   	     u8				IsEncrypt //whether encrypt, needed further
    626. 

  626.  *  output:  none
    627. 

  627.  *  return:  none
    628. 

  628.  *  notice:  posHTCap can't be null and should be initialized before.
    629. 

  629.   * *****************************************************************************************************************/
    630. 

  630. void HTConstructCapabilityElement(struct ieee80211_device* ieee, u8* posHTCap, u8* len, u8 IsEncrypt)
    631. 

  631. {
    632. 

  632. 	PRT_HIGH_THROUGHPUT	pHT = ieee->pHTInfo;
    633. 

  633. 	PHT_CAPABILITY_ELE 	pCapELE = NULL;
    634. 

  634. 	//u8 bIsDeclareMCS13;
    635. 

  635. 

  636. 	if ((posHTCap == NULL) || (pHT == NULL))
    637. 

  637. 	{
    638. 

  638. 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n");
    639. 

  639. 		return;
    640. 

  640. 	}
    641. 

  641. 	memset(posHTCap, 0, *len);
    642. 

  642. 	if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
    643. 

  643. 	{
    644. 

  644. 		u8	EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};	// For 11n EWC definition, 2007.07.17, by Emily
    645. 

  645. 		memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
    646. 

  646. 		pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]);
    647. 

  647. 	}else
    648. 

  648. 	{
    649. 

  649. 		pCapELE = (PHT_CAPABILITY_ELE)posHTCap;
    650. 

  650. 	}
    651. 

  651. 

  652. 

  653. 	//HT capability info
    654. 

  654. 	pCapELE->AdvCoding 		= 0; // This feature is not supported now!!
    655. 

  655. 	if (ieee->GetHalfNmodeSupportByAPsHandler(ieee))
    656. 

  656. 	{
    657. 

  657. 		pCapELE->ChlWidth = 0;
    658. 

  658. 	}
    659. 

  659. 	else
    660. 

  660. 	{
    661. 

  661. 		pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);
    662. 

  662. 	}
    663. 

  663. 

  664. //	pCapELE->ChlWidth 		= (pHT->bRegBW40MHz?1:0);
    665. 

  665. 	pCapELE->MimoPwrSave 		= pHT->SelfMimoPs;
    666. 

  666. 	pCapELE->GreenField		= 0; // This feature is not supported now!!
    667. 

  667. 	pCapELE->ShortGI20Mhz		= 1; // We can receive Short GI!!
    668. 

  668. 	pCapELE->ShortGI40Mhz		= 1; // We can receive Short GI!!
    669. 

  669. 	//DbgPrint("TX HT cap/info ele BW=%d SG20=%d SG40=%d\n\r",
    670. 

  670. 		//pCapELE->ChlWidth, pCapELE->ShortGI20Mhz, pCapELE->ShortGI40Mhz);
    671. 

  671. 	pCapELE->TxSTBC 		= 1;
    672. 

  672. 	pCapELE->RxSTBC 		= 0;
    673. 

  673. 	pCapELE->DelayBA		= 0;	// Do not support now!!
    674. 

  674. 	pCapELE->MaxAMSDUSize	= (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0;
    675. 

  675. 	pCapELE->DssCCk 		= ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0);
    676. 

  676. 	pCapELE->PSMP			= 0; // Do not support now!!
    677. 

  677. 	pCapELE->LSigTxopProtect	= 0; // Do not support now!!
    678. 

  678. 

  679. 

  680. 	//MAC HT parameters info
    681. 

  681.         // TODO: Nedd to take care of this part
    682. 

  682. 	IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
    683. 

  683. 

  684. 	if( IsEncrypt)
    685. 

  685. 	{
    686. 

  686. 		pCapELE->MPDUDensity 	= 7; // 8us
    687. 

  687. 		pCapELE->MaxRxAMPDUFactor 	= 2; // 2 is for 32 K and 3 is 64K
    688. 

  688. 	}
    689. 

  689. 	else
    690. 

  690. 	{
    691. 

  691. 		pCapELE->MaxRxAMPDUFactor 	= 3; // 2 is for 32 K and 3 is 64K
    692. 

  692. 		pCapELE->MPDUDensity 	= 0; // no density
    693. 

  693. 	}
    694. 

  694. 

  695. 	//Supported MCS set
    696. 

  696. 	memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
    697. 

  697. 	if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
    698. 

  698. 		pCapELE->MCS[1] &= 0x7f;
    699. 

  699. 

  700. 	if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
    701. 

  701. 		pCapELE->MCS[1] &= 0xbf;
    702. 

  702. 

  703. 	if(pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
    704. 

  704. 		pCapELE->MCS[1] &= 0x00;
    705. 

  705. 

  706. 	// 2008.06.12
    707. 

  707. 	// For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7.
    708. 

  708. 	if (ieee->GetHalfNmodeSupportByAPsHandler(ieee))
    709. 

  709. 	{
    710. 

  710. 		int i;
    711. 

  711. 		for(i = 1; i< 16; i++)
    712. 

  712. 			pCapELE->MCS[i] = 0;
    713. 

  713. 	}
    714. 

  714. 

  715. 	//Extended HT Capability Info
    716. 

  716. 	memset(&pCapELE->ExtHTCapInfo, 0, 2);
    717. 

  717. 

  718. 

  719. 	//TXBF Capabilities
    720. 

  720. 	memset(pCapELE->TxBFCap, 0, 4);
    721. 

  721. 

  722. 	//Antenna Selection Capabilities
    723. 

  723. 	pCapELE->ASCap = 0;
    724. 

  724. //add 2 to give space for element ID and len when construct frames
    725. 

  725. 	if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
    726. 

  726. 		*len = 30 + 2;
    727. 

  727. 	else
    728. 

  728. 		*len = 26 + 2;
    729. 

  729. }
    730. 

  730. /********************************************************************************************************************
    731. 

  731.  *function:  Construct  Information Element in Beacon... if HTEnable is turned on
    732. 

  732.  *   input:  struct ieee80211_device* 	ieee
    733. 

  733.  *   	     u8* 			posHTCap //pointer to store Information Ele
    734. 

  734.  *   	     u8*			len   //store len of
    735. 

  735.  *   	     u8				IsEncrypt //whether encrypt, needed further
    736. 

  736.  *  output:  none
    737. 

  737.  *  return:  none
    738. 

  738.  *  notice:  posHTCap can't be null and be initialized before. only AP and IBSS sta should do this
    739. 

  739.   * *****************************************************************************************************************/
    740. 

  740. void HTConstructInfoElement(struct ieee80211_device* ieee, u8* posHTInfo, u8* len, u8 IsEncrypt)
    741. 

  741. {
    742. 

  742. 	PRT_HIGH_THROUGHPUT	pHT = ieee->pHTInfo;
    743. 

  743. 	PHT_INFORMATION_ELE		pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo;
    744. 

  744. 	if ((posHTInfo == NULL) || (pHTInfoEle == NULL))
    745. 

  745. 	{
    746. 

  746. 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n");
    747. 

  747. 		return;
    748. 

  748. 	}
    749. 

  749. 

  750. 	memset(posHTInfo, 0, *len);
    751. 

  751. 	if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) //ap mode is not currently supported
    752. 

  752. 	{
    753. 

  753. 		pHTInfoEle->ControlChl 			= ieee->current_network.channel;
    754. 

  754. 		pHTInfoEle->ExtChlOffset 			= ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT:
    755. 

  755. 											(ieee->current_network.channel<=6)?
    756. 

  756. 												HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER);
    757. 

  757. 		pHTInfoEle->RecommemdedTxWidth	= pHT->bRegBW40MHz;
    758. 

  758. 		pHTInfoEle->RIFS 					= 0;
    759. 

  759. 		pHTInfoEle->PSMPAccessOnly		= 0;
    760. 

  760. 		pHTInfoEle->SrvIntGranularity		= 0;
    761. 

  761. 		pHTInfoEle->OptMode				= pHT->CurrentOpMode;
    762. 

  762. 		pHTInfoEle->NonGFDevPresent		= 0;
    763. 

  763. 		pHTInfoEle->DualBeacon			= 0;
    764. 

  764. 		pHTInfoEle->SecondaryBeacon		= 0;
    765. 

  765. 		pHTInfoEle->LSigTxopProtectFull		= 0;
    766. 

  766. 		pHTInfoEle->PcoActive				= 0;
    767. 

  767. 		pHTInfoEle->PcoPhase				= 0;
    768. 

  768. 

  769. 		memset(pHTInfoEle->BasicMSC, 0, 16);
    770. 

  770. 

  771. 

  772. 		*len = 22 + 2; //same above
    773. 

  773. 

  774. 	}
    775. 

  775. 	else
    776. 

  776. 	{
    777. 

  777. 		//STA should not generate High Throughput Information Element
    778. 

  778. 		*len = 0;
    779. 

  779. 	}
    780. 

  780. }
    781. 

  781. 

  782. /*
    783. 

  783.   *  According to experiment, Realtek AP to STA (based on rtl8190) may achieve best performance
    784. 

  784.   *  if both STA and AP set limitation of aggregation size to 32K, that is, set AMPDU density to 2
    785. 

  785.   *  (Ref: IEEE 11n specification). However, if Realtek STA associates to other AP, STA should set
    786. 

  786.   *  limitation of aggregation size to 8K, otherwise, performance of traffic stream from STA to AP
    787. 

  787.   *  will be much less than the traffic stream from AP to STA if both of the stream runs concurrently
    788. 

  788.   *  at the same time.
    789. 

  789.   *
    790. 

  790.   *  Frame Format
    791. 

  791.   *  Element ID		Length		OUI			Type1		Reserved
    792. 

  792.   *  1 byte			1 byte		3 bytes		1 byte		1 byte
    793. 

  793.   *
    794. 

  794.   *  OUI 		= 0x00, 0xe0, 0x4c,
    795. 

  795.   *  Type 	= 0x02
    796. 

  796.   *  Reserved 	= 0x00
    797. 

  797.   *
    798. 

  798.   *  2007.8.21 by Emily
    799. 

  799. */
    800. 

  800. /********************************************************************************************************************
    801. 

  801.  *function:  Construct  Information Element in Beacon... in RT2RT condition
    802. 

  802.  *   input:  struct ieee80211_device* 	ieee
    803. 

  803.  *   	     u8* 			posRT2RTAgg //pointer to store Information Ele
    804. 

  804.  *   	     u8*			len   //store len
    805. 

  805.  *  output:  none
    806. 

  806.  *  return:  none
    807. 

  807.  *  notice:
    808. 

  808.   * *****************************************************************************************************************/
    809. 

  809. void HTConstructRT2RTAggElement(struct ieee80211_device* ieee, u8* posRT2RTAgg, u8* len)
    810. 

  810. {
    811. 

  811. 	if (posRT2RTAgg == NULL) {
    812. 

  812. 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n");
    813. 

  813. 		return;
    814. 

  814. 	}
    815. 

  815. 	memset(posRT2RTAgg, 0, *len);
    816. 

  816. 	*posRT2RTAgg++ = 0x00;
    817. 

  817. 	*posRT2RTAgg++ = 0xe0;
    818. 

  818. 	*posRT2RTAgg++ = 0x4c;
    819. 

  819. 	*posRT2RTAgg++ = 0x02;
    820. 

  820. 	*posRT2RTAgg++ = 0x01;
    821. 

  821. 	*posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02;
    822. 

  822. 

  823. 	if(ieee->bSupportRemoteWakeUp) {
    824. 

  824. 		*posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW;
    825. 

  825. 	}
    826. 

  826. 

  827. 	*len = 6 + 2;
    828. 

  828. 	return;
    829. 

  829. #ifdef TODO
    830. 

  830. #if(HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE)
    831. 

  831. 	/*
    832. 

  832. 	//Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this
    833. 

  833. 	   section of code.
    834. 

  834. 	if(IS_UNDER_11N_AES_MODE(Adapter))
    835. 

  835. 	{
    836. 

  836. 		posRT2RTAgg->Octet[5] |=RT_HT_CAP_USE_AMPDU;
    837. 

  837. 	}else
    838. 

  838. 	{
    839. 

  839. 		posRT2RTAgg->Octet[5] &= 0xfb;
    840. 

  840. 	}
    841. 

  841. 	*/
    842. 

  842. 

  843. #else
    844. 

  844. 	// Do Nothing
    845. 

  845. #endif
    846. 

  846. 

  847. 	posRT2RTAgg->Length = 6;
    848. 

  848. #endif
    849. 

  849. 

  850. 

  851. 

  852. 

  853. }
    854. 

  854. 

  855. 

  856. /********************************************************************************************************************
    857. 

  857.  *function:  Pick the right Rate Adaptive table to use
    858. 

  858.  *   input:  struct ieee80211_device* 	ieee
    859. 

  859.  *   	     u8* 			pOperateMCS //A pointer to MCS rate bitmap
    860. 

  860.  *  return:  always we return true
    861. 

  861.  *  notice:
    862. 

  862.   * *****************************************************************************************************************/
    863. 

  863. u8 HT_PickMCSRate(struct ieee80211_device* ieee, u8* pOperateMCS)
    864. 

  864. {
    865. 

  865. 	u8					i;
    866. 

  866. 	if (pOperateMCS == NULL)
    867. 

  867. 	{
    868. 

  868. 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n");
    869. 

  869. 		return false;
    870. 

  870. 	}
    871. 

  871. 

  872. 	switch(ieee->mode)
    873. 

  873. 	{
    874. 

  874. 	case IEEE_A:
    875. 

  875. 	case IEEE_B:
    876. 

  876. 	case IEEE_G:
    877. 

  877. 			//legacy rate routine handled at selectedrate
    878. 

  878. 

  879. 			//no MCS rate
    880. 

  880. 			for(i=0;i<=15;i++){
    881. 

  881. 				pOperateMCS[i] = 0;
    882. 

  882. 			}
    883. 

  883. 			break;
    884. 

  884. 

  885. 	case IEEE_N_24G:	//assume CCK rate ok
    886. 

  886. 	case IEEE_N_5G:
    887. 

  887. 			// Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G.
    888. 

  888. 			// Legacy part shall be handled at SelectRateSet().
    889. 

  889. 

  890. 			//HT part
    891. 

  891. 			// TODO: may be different if we have different number of antenna
    892. 

  892. 			pOperateMCS[0] &=RATE_ADPT_1SS_MASK;	//support MCS 0~7
    893. 

  893. 			pOperateMCS[1] &=RATE_ADPT_2SS_MASK;
    894. 

  894. 			pOperateMCS[3] &=RATE_ADPT_MCS32_MASK;
    895. 

  895. 			break;
    896. 

  896. 

  897. 	//should never reach here
    898. 

  898. 	default:
    899. 

  899. 

  900. 			break;
    901. 

  901. 

  902. 	}
    903. 

  903. 

  904. 	return true;
    905. 

  905. }
    906. 

  906. 

  907. /*
    908. 

  908. *	Description:
    909. 

  909. *		This function will get the highest speed rate in input MCS set.
    910. 

  910. *
    911. 

  911. *	/param 	Adapter			Pionter to Adapter entity
    912. 

  912. *			pMCSRateSet		Pointer to MCS rate bitmap
    913. 

  913. *			pMCSFilter		Pointer to MCS rate filter
    914. 

  914. *
    915. 

  915. *	/return	Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter.
    916. 

  916. *
    917. 

  917. */
    918. 

  918. /********************************************************************************************************************
    919. 

  919.  *function:  This function will get the highest speed rate in input MCS set.
    920. 

  920.  *   input:  struct ieee80211_device* 	ieee
    921. 

  921.  *   	     u8* 			pMCSRateSet //Pointer to MCS rate bitmap
    922. 

  922.  *   	     u8*			pMCSFilter //Pointer to MCS rate filter
    923. 

  923.  *  return:  Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter
    924. 

  924.  *  notice:
    925. 

  925.   * *****************************************************************************************************************/
    926. 

  926. u8 HTGetHighestMCSRate(struct ieee80211_device* ieee, u8* pMCSRateSet, u8* pMCSFilter)
    927. 

  927. {
    928. 

  928. 	u8		i, j;
    929. 

  929. 	u8		bitMap;
    930. 

  930. 	u8		mcsRate = 0;
    931. 

  931. 	u8		availableMcsRate[16];
    932. 

  932. 	if (pMCSRateSet == NULL || pMCSFilter == NULL)
    933. 

  933. 	{
    934. 

  934. 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n");
    935. 

  935. 		return false;
    936. 

  936. 	}
    937. 

  937. 	for(i=0; i<16; i++)
    938. 

  938. 		availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
    939. 

  939. 

  940. 	for(i = 0; i < 16; i++)
    941. 

  941. 	{
    942. 

  942. 		if(availableMcsRate[i] != 0)
    943. 

  943. 			break;
    944. 

  944. 	}
    945. 

  945. 	if(i == 16)
    946. 

  946. 		return false;
    947. 

  947. 

  948. 	for(i = 0; i < 16; i++)
    949. 

  949. 	{
    950. 

  950. 		if(availableMcsRate[i] != 0)
    951. 

  951. 		{
    952. 

  952. 			bitMap = availableMcsRate[i];
    953. 

  953. 			for(j = 0; j < 8; j++)
    954. 

  954. 			{
    955. 

  955. 				if((bitMap%2) != 0)
    956. 

  956. 				{
    957. 

  957. 					if(HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate))
    958. 

  958. 						mcsRate = (8*i+j);
    959. 

  959. 				}
    960. 

  960. 				bitMap = bitMap>>1;
    961. 

  961. 			}
    962. 

  962. 		}
    963. 

  963. 	}
    964. 

  964. 	return (mcsRate|0x80);
    965. 

  965. }
    966. 

  966. 

  967. 

  968. 

  969. /*
    970. 

  970. **
    971. 

  971. **1.Filter our operation rate set with AP's rate set
    972. 

  972. **2.shall reference channel bandwidth, STBC, Antenna number
    973. 

  973. **3.generate rate adative table for firmware
    974. 

  974. **David 20060906
    975. 

  975. **
    976. 

  976. ** \pHTSupportedCap: the connected STA's supported rate Capability element
    977. 

  977. */
    978. 

  978. u8 HTFilterMCSRate( struct ieee80211_device* ieee, u8* pSupportMCS, u8* pOperateMCS)
    979. 

  979. {
    980. 

  980. 

  981. 	u8 i=0;
    982. 

  982. 

  983. 	// filter out operational rate set not supported by AP, the lenth of it is 16
    984. 

  984. 	for(i=0;i<=15;i++){
    985. 

  985. 		pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i]&pSupportMCS[i];
    986. 

  986. 	}
    987. 

  987. 

  988. 

  989. 	// TODO: adjust our operational rate set  according to our channel bandwidth, STBC and Antenna number
    990. 

  990. 

  991. 	// TODO: fill suggested rate adaptive rate index and give firmware info using Tx command packet
    992. 

  992. 	// we also shall suggested the first start rate set according to our singal strength
    993. 

  993. 	HT_PickMCSRate(ieee, pOperateMCS);
    994. 

  994. 

  995. 	// For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7.
    996. 

  996. 	if (ieee->GetHalfNmodeSupportByAPsHandler(ieee))
    997. 

  997. 		pOperateMCS[1] = 0;
    998. 

  998. 

  999. 	//
    1000. 

  1000. 	// For RTL819X, we support only MCS0~15.
    1001. 

  1001. 	// And also, we do not know how to use MCS32 now.
    1002. 

  1002. 	//
    1003. 

  1003. 	for(i=2; i<=15; i++)
    1004. 

  1004. 		pOperateMCS[i] = 0;
    1005. 

  1005. 

  1006. 	return true;
    1007. 

  1007. }
    1008. 

  1008. void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH	Bandwidth, HT_EXTCHNL_OFFSET	Offset);
    1009. 

  1009. void HTOnAssocRsp(struct ieee80211_device *ieee)
    1010. 

  1010. {
    1011. 

  1011. 	PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
    1012. 

  1012. 	PHT_CAPABILITY_ELE		pPeerHTCap = NULL;
    1013. 

  1013. 	PHT_INFORMATION_ELE		pPeerHTInfo = NULL;
    1014. 

  1014. 	u16	nMaxAMSDUSize = 0;
    1015. 

  1015. 	u8*	pMcsFilter = NULL;
    1016. 

  1016. 

  1017. 	static u8				EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};		// For 11n EWC definition, 2007.07.17, by Emily
    1018. 

  1018. 	static u8				EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};	// For 11n EWC definition, 2007.07.17, by Emily
    1019. 

  1019. 

  1020. 	if( pHTInfo->bCurrentHTSupport == false )
    1021. 

  1021. 	{
    1022. 

  1022. 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n");
    1023. 

  1023. 		return;
    1024. 

  1024. 	}
    1025. 

  1025. 	IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
    1026. 

  1026. //	IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTCapBuf, sizeof(HT_CAPABILITY_ELE));
    1027. 

  1027. //	IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTInfoBuf, sizeof(HT_INFORMATION_ELE));
    1028. 

  1028. 

  1029. //	HTDebugHTCapability(pHTInfo->PeerHTCapBuf,"HTOnAssocRsp_wq");
    1030. 

  1030. //	HTDebugHTInfo(pHTInfo->PeerHTInfoBuf,"HTOnAssocRsp_wq");
    1031. 

  1031. 	//
    1032. 

  1032. 	if(!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap)))
    1033. 

  1033. 		pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]);
    1034. 

  1034. 	else
    1035. 

  1035. 		pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf);
    1036. 

  1036. 

  1037. 	if(!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
    1038. 

  1038. 		pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]);
    1039. 

  1039. 	else
    1040. 

  1040. 		pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf);
    1041. 

  1041. 

  1042. 

  1043. 	////////////////////////////////////////////////////////
    1044. 

  1044. 	// Configurations:
    1045. 

  1045. 	////////////////////////////////////////////////////////
    1046. 

  1046. 	IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE));
    1047. 

  1047. //	IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTInfo, sizeof(HT_INFORMATION_ELE));
    1048. 

  1048. 	// Config Supported Channel Width setting
    1049. 

  1049. 	//
    1050. 

  1050. 	HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset));
    1051. 

  1051. 

  1052. //	if(pHTInfo->bCurBW40MHz == true)
    1053. 

  1053. 		pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false);
    1054. 

  1054. 

  1055. 	//
    1056. 

  1056. 	// Update short GI/ long GI setting
    1057. 

  1057. 	//
    1058. 

  1058. 	// TODO:
    1059. 

  1059. 	pHTInfo->bCurShortGI20MHz=
    1060. 

  1060. 		((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false);
    1061. 

  1061. 	pHTInfo->bCurShortGI40MHz=
    1062. 

  1062. 		((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false);
    1063. 

  1063. 

  1064. 	//
    1065. 

  1065. 	// Config TX STBC setting
    1066. 

  1066. 	//
    1067. 

  1067. 	// TODO:
    1068. 

  1068. 

  1069. 	//
    1070. 

  1070. 	// Config DSSS/CCK  mode in 40MHz mode
    1071. 

  1071. 	//
    1072. 

  1072. 	// TODO:
    1073. 

  1073. 	pHTInfo->bCurSuppCCK =
    1074. 

  1074. 		((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false);
    1075. 

  1075. 

  1076. 

  1077. 	//
    1078. 

  1078. 	// Config and configure A-MSDU setting
    1079. 

  1079. 	//
    1080. 

  1080. 	pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
    1081. 

  1081.         if (ieee->rtllib_ap_sec_type &&
    1082. 

  1082.            (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))){
    1083. 

  1083.                 if( (pHTInfo->IOTPeer== HT_IOT_PEER_ATHEROS) ||
    1084. 

  1084.                                 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN) )
    1085. 

  1085.                         pHTInfo->bCurrentAMPDUEnable = false;
    1086. 

  1086.         }
    1087. 

  1087. 

  1088. 

  1089. 	nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935;
    1090. 

  1090. 

  1091. 	if(pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize )
    1092. 

  1092. 		pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
    1093. 

  1093. 	else
    1094. 

  1094. 		pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
    1095. 

  1095. 

  1096. 

  1097. 	//
    1098. 

  1098. 	// Config A-MPDU setting
    1099. 

  1099. 	//
    1100. 

  1100. 	pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
    1101. 

  1101. 

  1102. 	// <1> Decide AMPDU Factor
    1103. 

  1103. 

  1104. 	// By Emily
    1105. 

  1105. 	if(!pHTInfo->bRegRT2RTAggregation)
    1106. 

  1106. 	{
    1107. 

  1107. 		// Decide AMPDU Factor according to protocol handshake
    1108. 

  1108. 		if(pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
    1109. 

  1109. 			pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
    1110. 

  1110. 		else
    1111. 

  1111. 			pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
    1112. 

  1112. 

  1113. 	}else
    1114. 

  1114. 	{
    1115. 

  1115. 		// Set MPDU density to 2 to Realtek AP, and set it to 0 for others
    1116. 

  1116. 		// Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily
    1117. 

  1117. #if 0
    1118. 

  1118. 		osTmp= PacketGetElement( asocpdu, EID_Vendor, OUI_SUB_REALTEK_AGG, OUI_SUBTYPE_DONT_CARE);
    1119. 

  1119. 		if(osTmp.Length >= 5)	//00:e0:4c:02:00
    1120. 

  1120. #endif
    1121. 

  1121. 		if (ieee->current_network.bssht.bdRT2RTAggregation)
    1122. 

  1122. 		{
    1123. 

  1123. 			if( ieee->pairwise_key_type != KEY_TYPE_NA)
    1124. 

  1124. 				// Realtek may set 32k in security mode and 64k for others
    1125. 

  1125. 				pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
    1126. 

  1126. 			else
    1127. 

  1127. 				pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
    1128. 

  1128. 		}else
    1129. 

  1129. 		{
    1130. 

  1130. 			if(pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
    1131. 

  1131. 				pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
    1132. 

  1132. 			else
    1133. 

  1133. 				pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
    1134. 

  1134. 		}
    1135. 

  1135. 	}
    1136. 

  1136. 

  1137. 	// <2> Set AMPDU Minimum MPDU Start Spacing
    1138. 

  1138. 	// 802.11n 3.0 section 9.7d.3
    1139. 

  1139. #if 1
    1140. 

  1140. 	if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
    1141. 

  1141. 		pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
    1142. 

  1142. 	else
    1143. 

  1143. 		pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
    1144. 

  1144. 	if(ieee->pairwise_key_type != KEY_TYPE_NA )
    1145. 

  1145. 		pHTInfo->CurrentMPDUDensity 	= 7; // 8us
    1146. 

  1146. #else
    1147. 

  1147. 	if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
    1148. 

  1148. 		pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
    1149. 

  1149. 	else
    1150. 

  1150. 		pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
    1151. 

  1151. #endif
    1152. 

  1152. 	// Force TX AMSDU
    1153. 

  1153. 

  1154. 	// Lanhsin: mark for tmp to avoid deauth by ap from  s3
    1155. 

  1155. 	//if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0)
    1156. 

  1156. 	if(0)
    1157. 

  1157. 		{
    1158. 

  1158. 

  1159. 			pHTInfo->bCurrentAMPDUEnable = false;
    1160. 

  1160. 			pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
    1161. 

  1161. 			pHTInfo->ForcedAMSDUMaxSize = 7935;
    1162. 

  1162. 

  1163. 		pHTInfo->IOTAction |=  HT_IOT_ACT_TX_USE_AMSDU_8K;
    1164. 

  1164. 	}
    1165. 

  1165. 

  1166. 	// Rx Reorder Setting
    1167. 

  1167. 	pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
    1168. 

  1168. 

  1169. 	//
    1170. 

  1170. 	// Filter out unsupported HT rate for this AP
    1171. 

  1171. 	// Update RATR table
    1172. 

  1172. 	// This is only for 8190 ,8192 or later product which using firmware to handle rate adaptive mechanism.
    1173. 

  1173. 	//
    1174. 

  1174. 

  1175. 	// Handle Ralink AP bad MCS rate set condition. Joseph.
    1176. 

  1176. 	// This fix the bug of Ralink AP. This may be removed in the future.
    1177. 

  1177. 	if(pPeerHTCap->MCS[0] == 0)
    1178. 

  1178. 		pPeerHTCap->MCS[0] = 0xff;
    1179. 

  1179. 

  1180. 	HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
    1181. 

  1181. 

  1182. 	//
    1183. 

  1183. 	// Config MIMO Power Save setting
    1184. 

  1184. 	//
    1185. 

  1185. 	pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
    1186. 

  1186. 	if(pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
    1187. 

  1187. 		pMcsFilter = MCS_FILTER_1SS;
    1188. 

  1188. 	else
    1189. 

  1189. 		pMcsFilter = MCS_FILTER_ALL;
    1190. 

  1190. 	//WB add for MCS8 bug
    1191. 

  1191. //	pMcsFilter = MCS_FILTER_1SS;
    1192. 

  1192. 	ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter);
    1193. 

  1193. 	ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
    1194. 

  1194. 

  1195. 	//
    1196. 

  1196. 	// Config current operation mode.
    1197. 

  1197. 	//
    1198. 

  1198. 	pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
    1199. 

  1199. 

  1200. 

  1201. 

  1202. }
    1203. 

  1203. 

  1204. void HTSetConnectBwModeCallback(struct ieee80211_device* ieee);
    1205. 

  1205. /********************************************************************************************************************
    1206. 

  1206.  *function:  initialize HT info(struct PRT_HIGH_THROUGHPUT)
    1207. 

  1207.  *   input:  struct ieee80211_device* 	ieee
    1208. 

  1208.  *  output:  none
    1209. 

  1209.  *  return:  none
    1210. 

  1210.  *  notice: This function is called when *  (1) MPInitialization Phase *  (2) Receiving of Deauthentication from AP
    1211. 

  1211. ********************************************************************************************************************/
    1212. 

  1212. // TODO: Should this funciton be called when receiving of Disassociation?
    1213. 

  1213. void HTInitializeHTInfo(struct ieee80211_device* ieee)
    1214. 

  1214. {
    1215. 

  1215. 	PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
    1216. 

  1216. 

  1217. 	//
    1218. 

  1218. 	// These parameters will be reset when receiving deauthentication packet
    1219. 

  1219. 	//
    1220. 

  1220. 	IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __FUNCTION__);
    1221. 

  1221. 	pHTInfo->bCurrentHTSupport = false;
    1222. 

  1222. 

  1223. 	// 40MHz channel support
    1224. 

  1224. 	pHTInfo->bCurBW40MHz = false;
    1225. 

  1225. 	pHTInfo->bCurTxBW40MHz = false;
    1226. 

  1226. 

  1227. 	// Short GI support
    1228. 

  1228. 	pHTInfo->bCurShortGI20MHz = false;
    1229. 

  1229. 	pHTInfo->bCurShortGI40MHz = false;
    1230. 

  1230. 	pHTInfo->bForcedShortGI = false;
    1231. 

  1231. 

  1232. 	// CCK rate support
    1233. 

  1233. 	// This flag is set to true to support CCK rate by default.
    1234. 

  1234. 	// It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities only when associate to
    1235. 

  1235. 	// 11N BSS.
    1236. 

  1236. 	pHTInfo->bCurSuppCCK = true;
    1237. 

  1237. 

  1238. 	// AMSDU related
    1239. 

  1239. 	pHTInfo->bCurrent_AMSDU_Support = false;
    1240. 

  1240. 	pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
    1241. 

  1241. 

  1242. 	// AMPUD related
    1243. 

  1243. 	pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
    1244. 

  1244. 	pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
    1245. 

  1245. 

  1246. 

  1247. 

  1248. 	// Initialize all of the parameters related to 11n
    1249. 

  1249. 	memset((void*)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap));
    1250. 

  1250. 	memset((void*)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo));
    1251. 

  1251. 	memset((void*)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf));
    1252. 

  1252. 	memset((void*)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf));
    1253. 

  1253. 

  1254. 	pHTInfo->bSwBwInProgress = false;
    1255. 

  1255. 	pHTInfo->ChnlOp = CHNLOP_NONE;
    1256. 

  1256. 

  1257. 	// Set default IEEE spec for Draft N
    1258. 

  1258. 	pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
    1259. 

  1259. 

  1260. 	// Realtek proprietary aggregation mode
    1261. 

  1261. 	pHTInfo->bCurrentRT2RTAggregation = false;
    1262. 

  1262. 	pHTInfo->bCurrentRT2RTLongSlotTime = false;
    1263. 

  1263. 	pHTInfo->IOTPeer = 0;
    1264. 

  1264. 	pHTInfo->IOTAction = 0;
    1265. 

  1265. 

  1266. 	//MCS rate initialized here
    1267. 

  1267. 	{
    1268. 

  1268. 		u8* RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
    1269. 

  1269. 		RegHTSuppRateSets[0] = 0xFF;	//support MCS 0~7
    1270. 

  1270. 		RegHTSuppRateSets[1] = 0xFF;	//support MCS 8~15
    1271. 

  1271. 		RegHTSuppRateSets[4] = 0x01;	//support MCS 32
    1272. 

  1272. 	}
    1273. 

  1273. }
    1274. 

  1274. /********************************************************************************************************************
    1275. 

  1275.  *function:  initialize Bss HT structure(struct PBSS_HT)
    1276. 

  1276.  *   input:  PBSS_HT pBssHT //to be initialized
    1277. 

  1277.  *  output:  none
    1278. 

  1278.  *  return:  none
    1279. 

  1279.  *  notice: This function is called when initialize network structure
    1280. 

  1280. ********************************************************************************************************************/
    1281. 

  1281. void HTInitializeBssDesc(PBSS_HT pBssHT)
    1282. 

  1282. {
    1283. 

  1283. 

  1284. 	pBssHT->bdSupportHT = false;
    1285. 

  1285. 	memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
    1286. 

  1286. 	pBssHT->bdHTCapLen = 0;
    1287. 

  1287. 	memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
    1288. 

  1288. 	pBssHT->bdHTInfoLen = 0;
    1289. 

  1289. 

  1290. 	pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE;
    1291. 

  1291. 

  1292. 	pBssHT->bdRT2RTAggregation = false;
    1293. 

  1293. 	pBssHT->bdRT2RTLongSlotTime = false;
    1294. 

  1294. }
    1295. 

  1295. #if 0
    1296. 

  1296. //below function has merged into ieee80211_network_init() in ieee80211_rx.c
    1297. 

  1297. void
    1298. 

  1298. HTParsingHTCapElement(
    1299. 

  1299. 	IN	PADAPTER		Adapter,
    1300. 

  1300. 	IN	OCTET_STRING	HTCapIE,
    1301. 

  1301. 	OUT	PRT_WLAN_BSS	pBssDesc
    1302. 

  1302. )
    1303. 

  1303. {
    1304. 

  1304. 	PMGNT_INFO      			pMgntInfo = &Adapter->MgntInfo;
    1305. 

  1305. 

  1306. 	if( HTCapIE.Length > sizeof(pBssDesc->BssHT.bdHTCapBuf) )
    1307. 

  1307. 	{
    1308. 

  1308. 		RT_TRACE( COMP_HT, DBG_LOUD, ("HTParsingHTCapElement(): HT Capability Element length is too long!\n") );
    1309. 

  1309. 		return;
    1310. 

  1310. 	}
    1311. 

  1311. 

  1312. 	// TODO: Check the correctness of HT Cap
    1313. 

  1313. 	//Print each field in detail. Driver should not print out this message by default
    1314. 

  1314. 	if(!pMgntInfo->mActingAsAp && !pMgntInfo->mAssoc)
    1315. 

  1315. 		HTDebugHTCapability(DBG_TRACE, Adapter, &HTCapIE, (pu8)"HTParsingHTCapElement()");
    1316. 

  1316. 

  1317. 	HTCapIE.Length = HTCapIE.Length > sizeof(pBssDesc->BssHT.bdHTCapBuf)?\
    1318. 

  1318. 		sizeof(pBssDesc->BssHT.bdHTCapBuf):HTCapIE.Length;	//prevent from overflow
    1319. 

  1319. 

  1320. 	CopyMem(pBssDesc->BssHT.bdHTCapBuf, HTCapIE.Octet, HTCapIE.Length);
    1321. 

  1321. 	pBssDesc->BssHT.bdHTCapLen = HTCapIE.Length;
    1322. 

  1322. 

  1323. }
    1324. 

  1324. 

  1325. 

  1326. void
    1327. 

  1327. HTParsingHTInfoElement(
    1328. 

  1328. 	PADAPTER		Adapter,
    1329. 

  1329. 	OCTET_STRING	HTInfoIE,
    1330. 

  1330. 	PRT_WLAN_BSS	pBssDesc
    1331. 

  1331. )
    1332. 

  1332. {
    1333. 

  1333. 	PMGNT_INFO      			pMgntInfo = &Adapter->MgntInfo;
    1334. 

  1334. 

  1335. 	if( HTInfoIE.Length > sizeof(pBssDesc->BssHT.bdHTInfoBuf))
    1336. 

  1336. 	{
    1337. 

  1337. 		RT_TRACE( COMP_HT, DBG_LOUD, ("HTParsingHTInfoElement(): HT Information Element length is too long!\n") );
    1338. 

  1338. 		return;
    1339. 

  1339. 	}
    1340. 

  1340. 

  1341. 	// TODO: Check the correctness of HT Info
    1342. 

  1342. 	//Print each field in detail. Driver should not print out this message by default
    1343. 

  1343. 	if(!pMgntInfo->mActingAsAp && !pMgntInfo->mAssoc)
    1344. 

  1344. 		HTDebugHTInfo(DBG_TRACE, Adapter, &HTInfoIE, (pu8)"HTParsingHTInfoElement()");
    1345. 

  1345. 

  1346. 	HTInfoIE.Length = HTInfoIE.Length > sizeof(pBssDesc->BssHT.bdHTInfoBuf)?\
    1347. 

  1347. 		sizeof(pBssDesc->BssHT.bdHTInfoBuf):HTInfoIE.Length;	//prevent from overflow
    1348. 

  1348. 

  1349. 	CopyMem( pBssDesc->BssHT.bdHTInfoBuf, HTInfoIE.Octet, HTInfoIE.Length);
    1350. 

  1350. 	pBssDesc->BssHT.bdHTInfoLen = HTInfoIE.Length;
    1351. 

  1351. }
    1352. 

  1352. 

  1353. /*
    1354. 

  1354.   * Get HT related information from beacon and save it in BssDesc
    1355. 

  1355.   *
    1356. 

  1356.   * (1) Parse HTCap, and HTInfo, and record whether it is 11n AP
    1357. 

  1357.   * (2) If peer is HT, but not WMM, call QosSetLegacyWMMParamWithHT()
    1358. 

  1358.   * (3) Check whether peer is Realtek AP (for Realtek proprietary aggregation mode).
    1359. 

  1359.   * Input:
    1360. 

  1360.   * 		PADAPTER	Adapter
    1361. 

  1361.   *
    1362. 

  1362.   * Output:
    1363. 

  1363.   *		PRT_TCB		BssDesc
    1364. 

  1364.   *
    1365. 

  1365. */
    1366. 

  1366. void HTGetValueFromBeaconOrProbeRsp(
    1367. 

  1367. 	PADAPTER			Adapter,
    1368. 

  1368. 	POCTET_STRING		pSRCmmpdu,
    1369. 

  1369. 	PRT_WLAN_BSS		bssDesc
    1370. 

  1370. )
    1371. 

  1371. {
    1372. 

  1372. 	PMGNT_INFO      			pMgntInfo = &Adapter->MgntInfo;
    1373. 

  1373. 	PRT_HIGH_THROUGHPUT		pHTInfo = GET_HT_INFO(pMgntInfo);
    1374. 

  1374. 	OCTET_STRING				HTCapIE, HTInfoIE, HTRealtekAgg, mmpdu;
    1375. 

  1375. 	OCTET_STRING				BroadcomElement, CiscoElement;
    1376. 

  1376. 

  1377. 	mmpdu.Octet = pSRCmmpdu->Octet;
    1378. 

  1378. 	mmpdu.Length = pSRCmmpdu->Length;
    1379. 

  1379. 

  1380. 	//2Note:
    1381. 

  1381. 	//   Mark for IOT testing using  Linksys WRT350N, This AP does not contain WMM IE  when
    1382. 

  1382. 	//   it is configured at pure-N mode.
    1383. 

  1383. 	//	if(bssDesc->BssQos.bdQoSMode & QOS_WMM)
    1384. 

  1384. 	//
    1385. 

  1385. 

  1386. 	HTInitializeBssDesc (&bssDesc->BssHT);
    1387. 

  1387. 

  1388. 	//2<1> Parse HTCap, and HTInfo
    1389. 

  1389. 	// Get HT Capability IE: (1) Get IEEE Draft N IE or (2) Get EWC IE
    1390. 

  1390. 	HTCapIE = PacketGetElement(mmpdu, EID_HTCapability, OUI_SUB_DONT_CARE, OUI_SUBTYPE_DONT_CARE);
    1391. 

  1391. 	if(HTCapIE.Length == 0)
    1392. 

  1392. 	{
    1393. 

  1393. 		HTCapIE = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_11N_EWC_HT_CAP, OUI_SUBTYPE_DONT_CARE);
    1394. 

  1394. 		if(HTCapIE.Length != 0)
    1395. 

  1395. 			bssDesc->BssHT.bdHTSpecVer= HT_SPEC_VER_EWC;
    1396. 

  1396. 	}
    1397. 

  1397. 	if(HTCapIE.Length != 0)
    1398. 

  1398. 		HTParsingHTCapElement(Adapter, HTCapIE, bssDesc);
    1399. 

  1399. 

  1400. 	// Get HT Information IE: (1) Get IEEE Draft N IE or (2) Get EWC IE
    1401. 

  1401. 	HTInfoIE = PacketGetElement(mmpdu, EID_HTInfo, OUI_SUB_DONT_CARE, OUI_SUBTYPE_DONT_CARE);
    1402. 

  1402. 	if(HTInfoIE.Length == 0)
    1403. 

  1403. 	{
    1404. 

  1404. 		HTInfoIE = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_11N_EWC_HT_INFO, OUI_SUBTYPE_DONT_CARE);
    1405. 

  1405. 		if(HTInfoIE.Length != 0)
    1406. 

  1406. 				bssDesc->BssHT.bdHTSpecVer  = HT_SPEC_VER_EWC;
    1407. 

  1407. 	}
    1408. 

  1408. 	if(HTInfoIE.Length != 0)
    1409. 

  1409. 		HTParsingHTInfoElement(Adapter, HTInfoIE, bssDesc);
    1410. 

  1410. 

  1411. 	//2<2>If peer is HT, but not WMM, call QosSetLegacyWMMParamWithHT()
    1412. 

  1412. 	if(HTCapIE.Length != 0)
    1413. 

  1413. 	{
    1414. 

  1414. 		bssDesc->BssHT.bdSupportHT = true;
    1415. 

  1415. 		if(bssDesc->BssQos.bdQoSMode == QOS_DISABLE)
    1416. 

  1416. 			QosSetLegacyWMMParamWithHT(Adapter, bssDesc);
    1417. 

  1417. 	}
    1418. 

  1418. 	else
    1419. 

  1419. 	{
    1420. 

  1420. 		bssDesc->BssHT.bdSupportHT = false;
    1421. 

  1421. 	}
    1422. 

  1422. 

  1423. 	//2<3>Check whether the peer is Realtek AP/STA
    1424. 

  1424. 	if(pHTInfo->bRegRT2RTAggregation)
    1425. 

  1425. 	{
    1426. 

  1426. 		if(bssDesc->BssHT.bdSupportHT)
    1427. 

  1427. 		{
    1428. 

  1428. 			HTRealtekAgg = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_REALTEK_AGG, OUI_SUBTYPE_DONT_CARE);
    1429. 

  1429. 			if(HTRealtekAgg.Length >=5 )
    1430. 

  1430. 			{
    1431. 

  1431. 				bssDesc->BssHT.bdRT2RTAggregation = true;
    1432. 

  1432. 

  1433. 				if((HTRealtekAgg.Octet[4]==1) && (HTRealtekAgg.Octet[5] & 0x02))
    1434. 

  1434. 					bssDesc->BssHT.bdRT2RTLongSlotTime = true;
    1435. 

  1435. 			}
    1436. 

  1436. 		}
    1437. 

  1437. 	}
    1438. 

  1438. 

  1439. 	//
    1440. 

  1440. 	// 2008/01/25 MH Get Broadcom AP IE for manamgent frame CCK rate problem.
    1441. 

  1441. 	// AP can not receive CCK managemtn from from 92E.
    1442. 

  1442. 	//
    1443. 

  1443. 

  1444. 	// Initialize every new bss broadcom cap exist as false..
    1445. 

  1445. 	bssDesc->bBroadcomCapExist= false;
    1446. 

  1446. 

  1447. 	if(HTCapIE.Length != 0 || HTInfoIE.Length != 0)
    1448. 

  1448. 	{
    1449. 

  1449. 		u4Byte	Length = 0;
    1450. 

  1450. 

  1451. 		FillOctetString(BroadcomElement, NULL, 0);
    1452. 

  1452. 

  1453. 		BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_1, OUI_SUBTYPE_DONT_CARE);
    1454. 

  1454. 		Length += BroadcomElement.Length;
    1455. 

  1455. 		BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_2, OUI_SUBTYPE_DONT_CARE);
    1456. 

  1456. 		Length += BroadcomElement.Length;
    1457. 

  1457. 		BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_3, OUI_SUBTYPE_DONT_CARE);
    1458. 

  1458. 		Length += BroadcomElement.Length;
    1459. 

  1459. 

  1460. 		if(Length > 0)
    1461. 

  1461. 			bssDesc->bBroadcomCapExist = true;
    1462. 

  1462. 	}
    1463. 

  1463. 

  1464. 

  1465. 	// For Cisco IOT issue
    1466. 

  1466. 	CiscoElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_CISCO_IE, OUI_SUBTYPE_DONT_CARE);
    1467. 

  1467. 	if(CiscoElement.Length != 0){ // 3: 0x00, 0x40, 0x96 ....
    1468. 

  1468. 		bssDesc->bCiscoCapExist = true;
    1469. 

  1469. 	}else{
    1470. 

  1470. 		bssDesc->bCiscoCapExist = false;
    1471. 

  1471. 	}
    1472. 

  1472. }
    1473. 

  1473. 

  1474. 

  1475. #endif
    1476. 

  1476. /********************************************************************************************************************
    1477. 

  1477.  *function:  initialize Bss HT structure(struct PBSS_HT)
    1478. 

  1478.  *   input:  struct ieee80211_device 	*ieee
    1479. 

  1479.  *   	     struct ieee80211_network 	*pNetwork //usually current network we are live in
    1480. 

  1480.  *  output:  none
    1481. 

  1481.  *  return:  none
    1482. 

  1482.  *  notice: This function should ONLY be called before association
    1483. 

  1483. ********************************************************************************************************************/
    1484. 

  1484. void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, 	struct ieee80211_network * pNetwork)
    1485. 

  1485. {
    1486. 

  1486. 	PRT_HIGH_THROUGHPUT		pHTInfo = ieee->pHTInfo;
    1487. 

  1487. //	u16						nMaxAMSDUSize;
    1488. 

  1488. //	PHT_CAPABILITY_ELE		pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
    1489. 

  1489. //	PHT_INFORMATION_ELE		pPeerHTInfo = (PHT_INFOR
    1490.