drivers/staging/rtl8192u/ieee80211/rtl819x_HT.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _RTL819XU_HTTYPE_H_
   3 #define _RTL819XU_HTTYPE_H_
   4
   5 /*
   6  * The HT Capability element is present in beacons, association request,
   7  * reassociation request and probe response frames
   8  */
   9
  10 /*
  11  * MIMO Power Save Settings
  12  */
  13 #define MIMO_PS_STATIC                          0
  14
  15 /*
  16  * There should be 128 bits to cover all of the MCS rates. However, since
  17  * 8190 does not support too much rates, one integer is quite enough.
  18  */
  19 #define HTCLNG  4
  20
  21 /*
  22  * Represent Channel Width in HT Capabilities
  23  */
  24 enum ht_channel_width {
  25         HT_CHANNEL_WIDTH_20 = 0,
  26         HT_CHANNEL_WIDTH_20_40 = 1,
  27 };
  28
  29 /*
  30  * Represent Extension Channel Offset in HT Capabilities
  31  * This is available only in 40Mhz mode.
  32  */
  33 enum ht_extension_chan_offset {
  34         HT_EXTCHNL_OFFSET_NO_EXT = 0,
  35         HT_EXTCHNL_OFFSET_UPPER = 1,
  36         HT_EXTCHNL_OFFSET_NO_DEF = 2,
  37         HT_EXTCHNL_OFFSET_LOWER = 3,
  38 };
  39
  40 struct ht_capability_ele {
  41         //HT capability info
  42         u8      AdvCoding:1;
  43         u8      ChlWidth:1;
  44         u8      MimoPwrSave:2;
  45         u8      GreenField:1;
  46         u8      ShortGI20Mhz:1;
  47         u8      ShortGI40Mhz:1;
  48         u8      TxSTBC:1;
  49         u8      RxSTBC:2;
  50         u8      DelayBA:1;
  51         u8      MaxAMSDUSize:1;
  52         u8      DssCCk:1;
  53         u8      PSMP:1;
  54         u8      Rsvd1:1;
  55         u8      LSigTxopProtect:1;
  56
  57         //MAC HT parameters info
  58         u8      MaxRxAMPDUFactor:2;
  59         u8      MPDUDensity:3;
  60         u8      Rsvd2:3;
  61
  62         //Supported MCS set
  63         u8      MCS[16];
  64
  65         //Extended HT Capability Info
  66         u16     ExtHTCapInfo;
  67
  68         //TXBF Capabilities
  69         u8      TxBFCap[4];
  70
  71         //Antenna Selection Capabilities
  72         u8      ASCap;
  73
  74 } __packed;
  75
  76 /*
  77  * The HT Information element is present in beacons
  78  * Only AP is required to include this element
  79  */
  80 typedef struct _HT_INFORMATION_ELE {
  81         u8      ControlChl;
  82
  83         u8      ExtChlOffset:2;
  84         u8      RecommemdedTxWidth:1;
  85         u8      RIFS:1;
  86         u8      PSMPAccessOnly:1;
  87         u8      SrvIntGranularity:3;
  88
  89         u8      OptMode:2;
  90         u8      NonGFDevPresent:1;
  91         u8      Revd1:5;
  92         u8      Revd2:8;
  93
  94         u8      Rsvd3:6;
  95         u8      DualBeacon:1;
  96         u8      DualCTSProtect:1;
  97
  98         u8      SecondaryBeacon:1;
  99         u8      LSigTxopProtectFull:1;
 100         u8      PcoActive:1;
 101         u8      PcoPhase:1;
 102         u8      Rsvd4:4;
 103
 104         u8      BasicMSC[16];
 105 } __attribute__ ((packed)) HT_INFORMATION_ELE, *PHT_INFORMATION_ELE;
 106
 107 typedef enum _HT_SPEC_VER {
 108         HT_SPEC_VER_IEEE = 0,
 109         HT_SPEC_VER_EWC = 1,
 110 } HT_SPEC_VER, *PHT_SPEC_VER;
 111
 112 typedef enum _HT_AGGRE_MODE_E {
 113         HT_AGG_AUTO = 0,
 114         HT_AGG_FORCE_ENABLE = 1,
 115         HT_AGG_FORCE_DISABLE = 2,
 116 } HT_AGGRE_MODE_E, *PHT_AGGRE_MODE_E;
 117
 118 /*
 119  *  The Data structure is used to keep HT related variables when card is
 120  *  configured as non-AP STA mode.  **Note**  Current_xxx should be set
 121  *  to default value in HTInitializeHTInfo()
 122  */
 123 typedef struct _RT_HIGH_THROUGHPUT {
 124         u8                              bEnableHT;
 125         u8                              bCurrentHTSupport;
 126
 127         u8                              bRegBW40MHz;                            // Tx 40MHz channel capability
 128         u8                              bCurBW40MHz;                            // Tx 40MHz channel capability
 129
 130         u8                              bRegShortGI40MHz;                       // Tx Short GI for 40Mhz
 131         u8                              bCurShortGI40MHz;                       // Tx Short GI for 40MHz
 132
 133         u8                              bRegShortGI20MHz;                       // Tx Short GI for 20MHz
 134         u8                              bCurShortGI20MHz;                       // Tx Short GI for 20MHz
 135
 136         u8                              bRegSuppCCK;                            // Tx CCK rate capability
 137         u8                              bCurSuppCCK;                            // Tx CCK rate capability
 138
 139         // 802.11n spec version for "peer"
 140         HT_SPEC_VER                     ePeerHTSpecVer;
 141
 142         // HT related information for "Self"
 143         struct ht_capability_ele        SelfHTCap;              // This is HT cap element sent to peer STA, which also indicate HT Rx capabilities.
 144         HT_INFORMATION_ELE      SelfHTInfo;             // This is HT info element sent to peer STA, which also indicate HT Rx capabilities.
 145
 146         // HT related information for "Peer"
 147         u8                              PeerHTCapBuf[32];
 148         u8                              PeerHTInfoBuf[32];
 149
 150         // A-MSDU related
 151         u8                              bAMSDU_Support;                 // This indicates Tx A-MSDU capability
 152         u16                             nAMSDU_MaxSize;                 // This indicates Tx A-MSDU capability
 153         u8                              bCurrent_AMSDU_Support; // This indicates Tx A-MSDU capability
 154         u16                             nCurrent_AMSDU_MaxSize; // This indicates Tx A-MSDU capability
 155
 156         // AMPDU  related <2006.08.10 Emily>
 157         u8                              bAMPDUEnable;                           // This indicate Tx A-MPDU capability
 158         u8                              bCurrentAMPDUEnable;            // This indicate Tx A-MPDU capability
 159         u8                              AMPDU_Factor;                           // This indicate Tx A-MPDU capability
 160         u8                              CurrentAMPDUFactor;             // This indicate Tx A-MPDU capability
 161         u8                              MPDU_Density;                           // This indicate Tx A-MPDU capability
 162         u8                              CurrentMPDUDensity;                     // This indicate Tx A-MPDU capability
 163
 164         // Forced A-MPDU enable
 165         HT_AGGRE_MODE_E ForcedAMPDUMode;
 166         u8                              ForcedAMPDUFactor;
 167         u8                              ForcedMPDUDensity;
 168
 169         // Forced A-MSDU enable
 170         HT_AGGRE_MODE_E ForcedAMSDUMode;
 171         u16                             ForcedAMSDUMaxSize;
 172
 173         u8                              bForcedShortGI;
 174
 175         u8                              CurrentOpMode;
 176
 177         // MIMO PS related
 178         u8                              SelfMimoPs;
 179         u8                              PeerMimoPs;
 180
 181         // 40MHz Channel Offset settings.
 182         enum ht_extension_chan_offset   CurSTAExtChnlOffset;
 183         u8                              bCurTxBW40MHz;  // If we use 40 MHz to Tx
 184         u8                              PeerBandwidth;
 185
 186         // For Bandwidth Switching
 187         u8                              bSwBwInProgress;
 188         u8                              SwBwStep;
 189         //struct timer_list             SwBwTimer;  //moved to ieee80211_device. as timer_list need include some header file here.
 190
 191         // For Realtek proprietary A-MPDU factor for aggregation
 192         u8                              bRegRT2RTAggregation;
 193         u8                              bCurrentRT2RTAggregation;
 194         u8                              bCurrentRT2RTLongSlotTime;
 195         u8                              szRT2RTAggBuffer[10];
 196
 197         // Rx Reorder control
 198         u8                              bRegRxReorderEnable;
 199         u8                              bCurRxReorderEnable;
 200         u8                              RxReorderWinSize;
 201         u8                              RxReorderPendingTime;
 202         u16                             RxReorderDropCounter;
 203
 204 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
 205         u8                              UsbTxAggrNum;
 206 #endif
 207 #ifdef USB_RX_AGGREGATION_SUPPORT
 208         u8                              UsbRxFwAggrEn;
 209         u8                              UsbRxFwAggrPageNum;
 210         u8                              UsbRxFwAggrPacketNum;
 211         u8                              UsbRxFwAggrTimeout;
 212 #endif
 213
 214         // Add for Broadcom(Linksys) IOT. Joseph
 215         u8                              bIsPeerBcm;
 216
 217         // For IOT issue.
 218         u8                              IOTPeer;
 219         u32                             IOTAction;
 220 } __attribute__ ((packed)) RT_HIGH_THROUGHPUT, *PRT_HIGH_THROUGHPUT;
 221
 222 /*
 223  * The Data structure is used to keep HT related variable for "each AP"
 224  * when card is configured as "STA mode"
 225  */
 226 typedef struct _BSS_HT {
 227         u8                              bdSupportHT;
 228
 229         // HT related elements
 230         u8                                      bdHTCapBuf[32];
 231         u16                                     bdHTCapLen;
 232         u8                                      bdHTInfoBuf[32];
 233         u16                                     bdHTInfoLen;
 234
 235         HT_SPEC_VER                             bdHTSpecVer;
 236         //struct ht_capability_ele              bdHTCapEle;
 237         //HT_INFORMATION_ELE            bdHTInfoEle;
 238
 239         u8                                      bdRT2RTAggregation;
 240         u8                                      bdRT2RTLongSlotTime;
 241 } __attribute__ ((packed)) BSS_HT, *PBSS_HT;
 242
 243 extern u8 MCS_FILTER_ALL[16];
 244 extern u8 MCS_FILTER_1SS[16];
 245
 246 /*
 247  * 2007/07/11 MH Modify the macro. Becaus STA may link with a N-AP. If we set
 248  * STA in A/B/G mode and AP is still in N mode. The macro will be wrong. We have
 249  * to add a macro to judge wireless mode.
 250  */
 251 #define PICK_RATE(_nLegacyRate, _nMcsRate)      \
 252                 (_nMcsRate == 0) ? (_nLegacyRate & 0x7f) : (_nMcsRate)
 253 /* 2007/07/12 MH We only define legacy and HT wireless mode now. */
 254 #define LEGACY_WIRELESS_MODE    IEEE_MODE_MASK
 255
 256 #define CURRENT_RATE(WirelessMode, LegacyRate, HTRate)           \
 257                 ((WirelessMode & (LEGACY_WIRELESS_MODE)) != 0) ? \
 258                         (LegacyRate) :                           \
 259                         (PICK_RATE(LegacyRate, HTRate))
 260
 261 // MCS Bw 40 {1~7, 12~15,32}
 262 #define RATE_ADPT_1SS_MASK              0xFF
 263 #define RATE_ADPT_2SS_MASK              0xF0 //Skip MCS8~11 because mcs7 > mcs6, 9, 10, 11. 2007.01.16 by Emily
 264 #define RATE_ADPT_MCS32_MASK            0x01
 265
 266 #define         IS_11N_MCS_RATE(rate)           (rate & 0x80)
 267
 268 typedef enum _HT_AGGRE_SIZE {
 269         HT_AGG_SIZE_8K = 0,
 270         HT_AGG_SIZE_16K = 1,
 271         HT_AGG_SIZE_32K = 2,
 272         HT_AGG_SIZE_64K = 3,
 273 } HT_AGGRE_SIZE_E, *PHT_AGGRE_SIZE_E;
 274
 275 /* Indicate different AP vendor for IOT issue */
 276 typedef enum _HT_IOT_PEER {
 277         HT_IOT_PEER_UNKNOWN = 0,
 278         HT_IOT_PEER_REALTEK = 1,
 279         HT_IOT_PEER_BROADCOM = 2,
 280         HT_IOT_PEER_RALINK = 3,
 281         HT_IOT_PEER_ATHEROS = 4,
 282         HT_IOT_PEER_CISCO = 5,
 283         HT_IOT_PEER_MAX = 6
 284 } HT_IOT_PEER_E, *PHTIOT_PEER_E;
 285
 286 /*
 287  * IOT Action for different AP
 288  */
 289 typedef enum _HT_IOT_ACTION {
 290         HT_IOT_ACT_TX_USE_AMSDU_4K = 0x00000001,
 291         HT_IOT_ACT_TX_USE_AMSDU_8K = 0x00000002,
 292         HT_IOT_ACT_DISABLE_MCS14 = 0x00000004,
 293         HT_IOT_ACT_DISABLE_MCS15 = 0x00000008,
 294         HT_IOT_ACT_DISABLE_ALL_2SS = 0x00000010,
 295         HT_IOT_ACT_DISABLE_EDCA_TURBO = 0x00000020,
 296         HT_IOT_ACT_MGNT_USE_CCK_6M = 0x00000040,
 297         HT_IOT_ACT_CDD_FSYNC = 0x00000080,
 298         HT_IOT_ACT_PURE_N_MODE = 0x00000100,
 299         HT_IOT_ACT_FORCED_CTS2SELF = 0x00000200,
 300 } HT_IOT_ACTION_E, *PHT_IOT_ACTION_E;
 301
 302 #endif //_RTL819XU_HTTYPE_H_