1*5113495bSYour Name /* 2*5113495bSYour Name * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved. 3*5113495bSYour Name * 4*5113495bSYour Name * Permission to use, copy, modify, and/or distribute this software for 5*5113495bSYour Name * any purpose with or without fee is hereby granted, provided that the 6*5113495bSYour Name * above copyright notice and this permission notice appear in all 7*5113495bSYour Name * copies. 8*5113495bSYour Name * 9*5113495bSYour Name * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10*5113495bSYour Name * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11*5113495bSYour Name * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12*5113495bSYour Name * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13*5113495bSYour Name * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14*5113495bSYour Name * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15*5113495bSYour Name * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16*5113495bSYour Name * PERFORMANCE OF THIS SOFTWARE. 17*5113495bSYour Name */ 18*5113495bSYour Name 19*5113495bSYour Name #ifndef _HT_SIG_INFO_H_ 20*5113495bSYour Name #define _HT_SIG_INFO_H_ 21*5113495bSYour Name #if !defined(__ASSEMBLER__) 22*5113495bSYour Name #endif 23*5113495bSYour Name 24*5113495bSYour Name 25*5113495bSYour Name // ################ START SUMMARY ################# 26*5113495bSYour Name // 27*5113495bSYour Name // Dword Fields 28*5113495bSYour Name // 0 mcs[6:0], cbw[7], length[23:8], reserved_0[31:24] 29*5113495bSYour Name // 1 smoothing[0], not_sounding[1], ht_reserved[2], aggregation[3], stbc[5:4], fec_coding[6], short_gi[7], num_ext_sp_str[9:8], crc[17:10], signal_tail[23:18], reserved_1[31:24] 30*5113495bSYour Name // 31*5113495bSYour Name // ################ END SUMMARY ################# 32*5113495bSYour Name 33*5113495bSYour Name #define NUM_OF_DWORDS_HT_SIG_INFO 2 34*5113495bSYour Name 35*5113495bSYour Name struct ht_sig_info { 36*5113495bSYour Name uint32_t mcs : 7, //[6:0] 37*5113495bSYour Name cbw : 1, //[7] 38*5113495bSYour Name length : 16, //[23:8] 39*5113495bSYour Name reserved_0 : 8; //[31:24] 40*5113495bSYour Name uint32_t smoothing : 1, //[0] 41*5113495bSYour Name not_sounding : 1, //[1] 42*5113495bSYour Name ht_reserved : 1, //[2] 43*5113495bSYour Name aggregation : 1, //[3] 44*5113495bSYour Name stbc : 2, //[5:4] 45*5113495bSYour Name fec_coding : 1, //[6] 46*5113495bSYour Name short_gi : 1, //[7] 47*5113495bSYour Name num_ext_sp_str : 2, //[9:8] 48*5113495bSYour Name crc : 8, //[17:10] 49*5113495bSYour Name signal_tail : 6, //[23:18] 50*5113495bSYour Name reserved_1 : 8; //[31:24] 51*5113495bSYour Name }; 52*5113495bSYour Name 53*5113495bSYour Name /* 54*5113495bSYour Name 55*5113495bSYour Name mcs 56*5113495bSYour Name 57*5113495bSYour Name Modulation Coding Scheme: 58*5113495bSYour Name 59*5113495bSYour Name 0-7 are used for single stream 60*5113495bSYour Name 61*5113495bSYour Name 8-15 are used for 2 streams 62*5113495bSYour Name 63*5113495bSYour Name 16-23 are used for 3 streams 64*5113495bSYour Name 65*5113495bSYour Name 24-31 are used for 4 streams 66*5113495bSYour Name 67*5113495bSYour Name 32 is used for duplicate HT20 (unsupported) 68*5113495bSYour Name 69*5113495bSYour Name 33-76 is used for unequal modulation (unsupported) 70*5113495bSYour Name 71*5113495bSYour Name 77-127 is reserved. 72*5113495bSYour Name 73*5113495bSYour Name <legal 0-31> 74*5113495bSYour Name 75*5113495bSYour Name cbw 76*5113495bSYour Name 77*5113495bSYour Name Packet bandwidth: 78*5113495bSYour Name 79*5113495bSYour Name <enum 0 ht_20_mhz> 80*5113495bSYour Name 81*5113495bSYour Name <enum 1 ht_40_mhz> 82*5113495bSYour Name 83*5113495bSYour Name <legal 0-1> 84*5113495bSYour Name 85*5113495bSYour Name length 86*5113495bSYour Name 87*5113495bSYour Name This is the MPDU or A-MPDU length in octets of the PPDU 88*5113495bSYour Name 89*5113495bSYour Name <legal all> 90*5113495bSYour Name 91*5113495bSYour Name reserved_0 92*5113495bSYour Name 93*5113495bSYour Name This field is not part of HT-SIG 94*5113495bSYour Name 95*5113495bSYour Name Reserved: Should be set to 0 by the MAC and ignored by 96*5113495bSYour Name the PHY <legal 0> 97*5113495bSYour Name 98*5113495bSYour Name smoothing 99*5113495bSYour Name 100*5113495bSYour Name Field indicates if smoothing is needed 101*5113495bSYour Name 102*5113495bSYour Name E_num 0 do_smoothing Unsupported setting: indicates 103*5113495bSYour Name smoothing is often used for beamforming 104*5113495bSYour Name 105*5113495bSYour Name 106*5113495bSYour Name <legal 1> 107*5113495bSYour Name 108*5113495bSYour Name not_sounding 109*5113495bSYour Name 110*5113495bSYour Name E_num 0 sounding Unsupported setting: indicates 111*5113495bSYour Name sounding is used 112*5113495bSYour Name 113*5113495bSYour Name <enum 1 no_sounding> Indicates no sounding is used 114*5113495bSYour Name 115*5113495bSYour Name <legal 1> 116*5113495bSYour Name 117*5113495bSYour Name ht_reserved 118*5113495bSYour Name 119*5113495bSYour Name Reserved: Should be set to 1 by the MAC and ignored by 120*5113495bSYour Name the PHY 121*5113495bSYour Name 122*5113495bSYour Name <legal 1> 123*5113495bSYour Name 124*5113495bSYour Name aggregation 125*5113495bSYour Name 126*5113495bSYour Name <enum 0 mpdu> Indicates MPDU format 127*5113495bSYour Name 128*5113495bSYour Name <enum 1 a_mpdu> Indicates A-MPDU format 129*5113495bSYour Name 130*5113495bSYour Name <legal 0-1> 131*5113495bSYour Name 132*5113495bSYour Name stbc 133*5113495bSYour Name 134*5113495bSYour Name <enum 0 no_stbc> Indicates no STBC 135*5113495bSYour Name 136*5113495bSYour Name <enum 1 1_str_stbc> Indicates 1 stream STBC 137*5113495bSYour Name 138*5113495bSYour Name E_num 2 2_str_stbc Indicates 2 stream STBC 139*5113495bSYour Name (Unsupported) 140*5113495bSYour Name 141*5113495bSYour Name <legal 0-1> 142*5113495bSYour Name 143*5113495bSYour Name fec_coding 144*5113495bSYour Name 145*5113495bSYour Name <enum 0 ht_bcc> Indicates BCC coding 146*5113495bSYour Name 147*5113495bSYour Name <enum 1 ht_ldpc> Indicates LDPC coding 148*5113495bSYour Name 149*5113495bSYour Name <legal 0-1> 150*5113495bSYour Name 151*5113495bSYour Name short_gi 152*5113495bSYour Name 153*5113495bSYour Name <enum 0 ht_normal_gi> Indicates normal guard 154*5113495bSYour Name interval 155*5113495bSYour Name 156*5113495bSYour Name 157*5113495bSYour Name <legal 0-1> 158*5113495bSYour Name 159*5113495bSYour Name num_ext_sp_str 160*5113495bSYour Name 161*5113495bSYour Name Number of extension spatial streams: (Used for TxBF) 162*5113495bSYour Name 163*5113495bSYour Name <enum 0 0_ext_sp_str> No extension spatial streams 164*5113495bSYour Name 165*5113495bSYour Name E_num 1 1_ext_sp_str Not supported: 1 extension 166*5113495bSYour Name spatial streams 167*5113495bSYour Name 168*5113495bSYour Name E_num 2 2_ext_sp_str Not supported: 2 extension 169*5113495bSYour Name spatial streams 170*5113495bSYour Name 171*5113495bSYour Name <legal 0> 172*5113495bSYour Name 173*5113495bSYour Name crc 174*5113495bSYour Name 175*5113495bSYour Name The CRC protects the HT-SIG (HT-SIG[0][23:0] and 176*5113495bSYour Name HT-SIG[1][9:0]. The generator polynomial is G(D) = D8 + D2 + 177*5113495bSYour Name D + 1. <legal all> 178*5113495bSYour Name 179*5113495bSYour Name signal_tail 180*5113495bSYour Name 181*5113495bSYour Name The 6 bits of tail is always set to 0 is used to flush 182*5113495bSYour Name the BCC encoder and decoder. <legal 0> 183*5113495bSYour Name 184*5113495bSYour Name reserved_1 185*5113495bSYour Name 186*5113495bSYour Name This field is not part of HT-SIG: 187*5113495bSYour Name 188*5113495bSYour Name Reserved: Should be set to 0 by the MAC and ignored by 189*5113495bSYour Name the PHY. <legal 0> 190*5113495bSYour Name */ 191*5113495bSYour Name 192*5113495bSYour Name 193*5113495bSYour Name /* Description HT_SIG_INFO_0_MCS 194*5113495bSYour Name 195*5113495bSYour Name Modulation Coding Scheme: 196*5113495bSYour Name 197*5113495bSYour Name 0-7 are used for single stream 198*5113495bSYour Name 199*5113495bSYour Name 8-15 are used for 2 streams 200*5113495bSYour Name 201*5113495bSYour Name 16-23 are used for 3 streams 202*5113495bSYour Name 203*5113495bSYour Name 24-31 are used for 4 streams 204*5113495bSYour Name 205*5113495bSYour Name 32 is used for duplicate HT20 (unsupported) 206*5113495bSYour Name 207*5113495bSYour Name 33-76 is used for unequal modulation (unsupported) 208*5113495bSYour Name 209*5113495bSYour Name 77-127 is reserved. 210*5113495bSYour Name 211*5113495bSYour Name <legal 0-31> 212*5113495bSYour Name */ 213*5113495bSYour Name #define HT_SIG_INFO_0_MCS_OFFSET 0x00000000 214*5113495bSYour Name #define HT_SIG_INFO_0_MCS_LSB 0 215*5113495bSYour Name #define HT_SIG_INFO_0_MCS_MASK 0x0000007f 216*5113495bSYour Name 217*5113495bSYour Name /* Description HT_SIG_INFO_0_CBW 218*5113495bSYour Name 219*5113495bSYour Name Packet bandwidth: 220*5113495bSYour Name 221*5113495bSYour Name <enum 0 ht_20_mhz> 222*5113495bSYour Name 223*5113495bSYour Name <enum 1 ht_40_mhz> 224*5113495bSYour Name 225*5113495bSYour Name <legal 0-1> 226*5113495bSYour Name */ 227*5113495bSYour Name #define HT_SIG_INFO_0_CBW_OFFSET 0x00000000 228*5113495bSYour Name #define HT_SIG_INFO_0_CBW_LSB 7 229*5113495bSYour Name #define HT_SIG_INFO_0_CBW_MASK 0x00000080 230*5113495bSYour Name 231*5113495bSYour Name /* Description HT_SIG_INFO_0_LENGTH 232*5113495bSYour Name 233*5113495bSYour Name This is the MPDU or A-MPDU length in octets of the PPDU 234*5113495bSYour Name 235*5113495bSYour Name <legal all> 236*5113495bSYour Name */ 237*5113495bSYour Name #define HT_SIG_INFO_0_LENGTH_OFFSET 0x00000000 238*5113495bSYour Name #define HT_SIG_INFO_0_LENGTH_LSB 8 239*5113495bSYour Name #define HT_SIG_INFO_0_LENGTH_MASK 0x00ffff00 240*5113495bSYour Name 241*5113495bSYour Name /* Description HT_SIG_INFO_0_RESERVED_0 242*5113495bSYour Name 243*5113495bSYour Name This field is not part of HT-SIG 244*5113495bSYour Name 245*5113495bSYour Name Reserved: Should be set to 0 by the MAC and ignored by 246*5113495bSYour Name the PHY <legal 0> 247*5113495bSYour Name */ 248*5113495bSYour Name #define HT_SIG_INFO_0_RESERVED_0_OFFSET 0x00000000 249*5113495bSYour Name #define HT_SIG_INFO_0_RESERVED_0_LSB 24 250*5113495bSYour Name #define HT_SIG_INFO_0_RESERVED_0_MASK 0xff000000 251*5113495bSYour Name 252*5113495bSYour Name /* Description HT_SIG_INFO_1_SMOOTHING 253*5113495bSYour Name 254*5113495bSYour Name Field indicates if smoothing is needed 255*5113495bSYour Name 256*5113495bSYour Name E_num 0 do_smoothing Unsupported setting: indicates 257*5113495bSYour Name smoothing is often used for beamforming 258*5113495bSYour Name 259*5113495bSYour Name 260*5113495bSYour Name <legal 1> 261*5113495bSYour Name */ 262*5113495bSYour Name #define HT_SIG_INFO_1_SMOOTHING_OFFSET 0x00000004 263*5113495bSYour Name #define HT_SIG_INFO_1_SMOOTHING_LSB 0 264*5113495bSYour Name #define HT_SIG_INFO_1_SMOOTHING_MASK 0x00000001 265*5113495bSYour Name 266*5113495bSYour Name /* Description HT_SIG_INFO_1_NOT_SOUNDING 267*5113495bSYour Name 268*5113495bSYour Name E_num 0 sounding Unsupported setting: indicates 269*5113495bSYour Name sounding is used 270*5113495bSYour Name 271*5113495bSYour Name <enum 1 no_sounding> Indicates no sounding is used 272*5113495bSYour Name 273*5113495bSYour Name <legal 1> 274*5113495bSYour Name */ 275*5113495bSYour Name #define HT_SIG_INFO_1_NOT_SOUNDING_OFFSET 0x00000004 276*5113495bSYour Name #define HT_SIG_INFO_1_NOT_SOUNDING_LSB 1 277*5113495bSYour Name #define HT_SIG_INFO_1_NOT_SOUNDING_MASK 0x00000002 278*5113495bSYour Name 279*5113495bSYour Name /* Description HT_SIG_INFO_1_HT_RESERVED 280*5113495bSYour Name 281*5113495bSYour Name Reserved: Should be set to 1 by the MAC and ignored by 282*5113495bSYour Name the PHY 283*5113495bSYour Name 284*5113495bSYour Name <legal 1> 285*5113495bSYour Name */ 286*5113495bSYour Name #define HT_SIG_INFO_1_HT_RESERVED_OFFSET 0x00000004 287*5113495bSYour Name #define HT_SIG_INFO_1_HT_RESERVED_LSB 2 288*5113495bSYour Name #define HT_SIG_INFO_1_HT_RESERVED_MASK 0x00000004 289*5113495bSYour Name 290*5113495bSYour Name /* Description HT_SIG_INFO_1_AGGREGATION 291*5113495bSYour Name 292*5113495bSYour Name <enum 0 mpdu> Indicates MPDU format 293*5113495bSYour Name 294*5113495bSYour Name <enum 1 a_mpdu> Indicates A-MPDU format 295*5113495bSYour Name 296*5113495bSYour Name <legal 0-1> 297*5113495bSYour Name */ 298*5113495bSYour Name #define HT_SIG_INFO_1_AGGREGATION_OFFSET 0x00000004 299*5113495bSYour Name #define HT_SIG_INFO_1_AGGREGATION_LSB 3 300*5113495bSYour Name #define HT_SIG_INFO_1_AGGREGATION_MASK 0x00000008 301*5113495bSYour Name 302*5113495bSYour Name /* Description HT_SIG_INFO_1_STBC 303*5113495bSYour Name 304*5113495bSYour Name <enum 0 no_stbc> Indicates no STBC 305*5113495bSYour Name 306*5113495bSYour Name <enum 1 1_str_stbc> Indicates 1 stream STBC 307*5113495bSYour Name 308*5113495bSYour Name E_num 2 2_str_stbc Indicates 2 stream STBC 309*5113495bSYour Name (Unsupported) 310*5113495bSYour Name 311*5113495bSYour Name <legal 0-1> 312*5113495bSYour Name */ 313*5113495bSYour Name #define HT_SIG_INFO_1_STBC_OFFSET 0x00000004 314*5113495bSYour Name #define HT_SIG_INFO_1_STBC_LSB 4 315*5113495bSYour Name #define HT_SIG_INFO_1_STBC_MASK 0x00000030 316*5113495bSYour Name 317*5113495bSYour Name /* Description HT_SIG_INFO_1_FEC_CODING 318*5113495bSYour Name 319*5113495bSYour Name <enum 0 ht_bcc> Indicates BCC coding 320*5113495bSYour Name 321*5113495bSYour Name <enum 1 ht_ldpc> Indicates LDPC coding 322*5113495bSYour Name 323*5113495bSYour Name <legal 0-1> 324*5113495bSYour Name */ 325*5113495bSYour Name #define HT_SIG_INFO_1_FEC_CODING_OFFSET 0x00000004 326*5113495bSYour Name #define HT_SIG_INFO_1_FEC_CODING_LSB 6 327*5113495bSYour Name #define HT_SIG_INFO_1_FEC_CODING_MASK 0x00000040 328*5113495bSYour Name 329*5113495bSYour Name /* Description HT_SIG_INFO_1_SHORT_GI 330*5113495bSYour Name 331*5113495bSYour Name <enum 0 ht_normal_gi> Indicates normal guard 332*5113495bSYour Name interval 333*5113495bSYour Name 334*5113495bSYour Name 335*5113495bSYour Name <legal 0-1> 336*5113495bSYour Name */ 337*5113495bSYour Name #define HT_SIG_INFO_1_SHORT_GI_OFFSET 0x00000004 338*5113495bSYour Name #define HT_SIG_INFO_1_SHORT_GI_LSB 7 339*5113495bSYour Name #define HT_SIG_INFO_1_SHORT_GI_MASK 0x00000080 340*5113495bSYour Name 341*5113495bSYour Name /* Description HT_SIG_INFO_1_NUM_EXT_SP_STR 342*5113495bSYour Name 343*5113495bSYour Name Number of extension spatial streams: (Used for TxBF) 344*5113495bSYour Name 345*5113495bSYour Name <enum 0 0_ext_sp_str> No extension spatial streams 346*5113495bSYour Name 347*5113495bSYour Name E_num 1 1_ext_sp_str Not supported: 1 extension 348*5113495bSYour Name spatial streams 349*5113495bSYour Name 350*5113495bSYour Name E_num 2 2_ext_sp_str Not supported: 2 extension 351*5113495bSYour Name spatial streams 352*5113495bSYour Name 353*5113495bSYour Name <legal 0> 354*5113495bSYour Name */ 355*5113495bSYour Name #define HT_SIG_INFO_1_NUM_EXT_SP_STR_OFFSET 0x00000004 356*5113495bSYour Name #define HT_SIG_INFO_1_NUM_EXT_SP_STR_LSB 8 357*5113495bSYour Name #define HT_SIG_INFO_1_NUM_EXT_SP_STR_MASK 0x00000300 358*5113495bSYour Name 359*5113495bSYour Name /* Description HT_SIG_INFO_1_CRC 360*5113495bSYour Name 361*5113495bSYour Name The CRC protects the HT-SIG (HT-SIG[0][23:0] and 362*5113495bSYour Name HT-SIG[1][9:0]. The generator polynomial is G(D) = D8 + D2 + 363*5113495bSYour Name D + 1. <legal all> 364*5113495bSYour Name */ 365*5113495bSYour Name #define HT_SIG_INFO_1_CRC_OFFSET 0x00000004 366*5113495bSYour Name #define HT_SIG_INFO_1_CRC_LSB 10 367*5113495bSYour Name #define HT_SIG_INFO_1_CRC_MASK 0x0003fc00 368*5113495bSYour Name 369*5113495bSYour Name /* Description HT_SIG_INFO_1_SIGNAL_TAIL 370*5113495bSYour Name 371*5113495bSYour Name The 6 bits of tail is always set to 0 is used to flush 372*5113495bSYour Name the BCC encoder and decoder. <legal 0> 373*5113495bSYour Name */ 374*5113495bSYour Name #define HT_SIG_INFO_1_SIGNAL_TAIL_OFFSET 0x00000004 375*5113495bSYour Name #define HT_SIG_INFO_1_SIGNAL_TAIL_LSB 18 376*5113495bSYour Name #define HT_SIG_INFO_1_SIGNAL_TAIL_MASK 0x00fc0000 377*5113495bSYour Name 378*5113495bSYour Name /* Description HT_SIG_INFO_1_RESERVED_1 379*5113495bSYour Name 380*5113495bSYour Name This field is not part of HT-SIG: 381*5113495bSYour Name 382*5113495bSYour Name Reserved: Should be set to 0 by the MAC and ignored by 383*5113495bSYour Name the PHY. <legal 0> 384*5113495bSYour Name */ 385*5113495bSYour Name #define HT_SIG_INFO_1_RESERVED_1_OFFSET 0x00000004 386*5113495bSYour Name #define HT_SIG_INFO_1_RESERVED_1_LSB 24 387*5113495bSYour Name #define HT_SIG_INFO_1_RESERVED_1_MASK 0xff000000 388*5113495bSYour Name 389*5113495bSYour Name 390*5113495bSYour Name #endif // _HT_SIG_INFO_H_ 391