// Copyright (c) 2013 Qualcomm Atheros, Inc. All rights reserved. // $ATH_LICENSE_HW_HDR_C$ // // DO NOT EDIT! This file is automatically generated // These definitions are tied to a particular hardware layout #ifndef _VHT_SIG_A_H_ #define _VHT_SIG_A_H_ #if !defined(__ASSEMBLER__) #endif // ################ START SUMMARY ################# // // Dword Fields // 0 bandwidth[1:0], vhta_reserved_0[2], stbc[3], group_id[9:4], n_sts[21:10], txop_ps_not_allowed[22], vhta_reserved_0b[23], reserved_0[31:24] // 1 short_gi[1:0], su_mu_coding[2], ldpc_extra_symbol[3], mcs[7:4], beamformed[8], vhta_reserved_1[9], crc[17:10], tail[23:18], reserved_1[31:24] // // ################ END SUMMARY ################# #define NUM_OF_DWORDS_VHT_SIG_A 2 struct vht_sig_a { volatile uint32_t bandwidth : 2, //[1:0] vhta_reserved_0 : 1, //[2] stbc : 1, //[3] group_id : 6, //[9:4] n_sts : 12, //[21:10] txop_ps_not_allowed : 1, //[22] vhta_reserved_0b : 1, //[23] reserved_0 : 8; //[31:24] volatile uint32_t short_gi : 2, //[1:0] su_mu_coding : 1, //[2] ldpc_extra_symbol : 1, //[3] mcs : 4, //[7:4] beamformed : 1, //[8] vhta_reserved_1 : 1, //[9] crc : 8, //[17:10] tail : 6, //[23:18] reserved_1 : 8; //[31:24] }; /* bandwidth Packet bandwidth Indicates 20 MHz bandwidth Indicates 40 MHz bandwidth Indicates 80 MHz bandwidth Not supported: Indicates either 160 MHz bandwidth or 80 + 80 MHz bandwidth vhta_reserved_0 Reserved. Set to 1 by MAC, PHY should ignore stbc Space time block coding: Indicates STBC is disabled Indicates STBC is enabled on all streams group_id In a SU VHT PPDU, if the PPDU carries MPDU(s) addressed to an AP or to a mesh STA, the Group ID field is set to 0, otherwise it is set to 63. In an NDP PPDU the Group ID is set according to IEEE 802.11ac_D1.0 Section 9.30.6 (Transmission of a VHT NDP). For a MU-MIMO PPDU the Group ID is set as in 802.11ac_D1.0 Section 22.3.11.3 (Group ID). n_sts vht_sig_a[0][10+3u] - vht_sig_a[0][12+3u]), u = 0, 1, 2, 3) Set to 0 for 0 space time streams Set to 1 for 1 space time stream Set to 2 for 2 space time streams Set to 3 for 3 space time streams Set to 4 for 4 space time streams (not supported in WiFi 2.0) Values 5-7 are reserved In this field, references to user u should be interpreted as MU user u. As described in the previous chapter in this document (see chapter on User number), the MU user value for a given client is defined for each MU group that the client participates in. The MU user number is not related to the internal user number that is used within the BFer. For SU: vht_sig_a[0][12:10] Set to 0 for 1 space time stream Set to 1 for 2 space time streams Set to 2 for 3 space time streams Set to 3 for 4 space time streams Set to 4 for 5 space time streams (> 4 STS not supported in WiFi 2.0) Set to 5 for 6 space time streams Set to 6 for 7 space time streams Set to 7 for 8 space time streams vht_sig_a[0][21:13] Partial AID: Set to the value of the TXVECTOR parameter PARTIAL_AID. Partial AID provides an abbreviated indication of the intended recipient(s) of the frame (see IEEE802.11ac_D1.0 Section 9.17a (Partial AID in VHT PPDUs)). txop_ps_not_allowed Not supported: If set to by VHT AP if it allows non-AP VHT STAs in TXOP power save mode to enter Doze state during a TXOP Otherwise vhta_reserved_0b Reserved: Should be set to 1 by the MAC and ignored by the PHY reserved_0 This field is not part of HT-SIG: Reserved: Should be set to 0 by the MAC and ignored by the PHY short_gi Indicates short guard interval is not used in the data field Indicates short guard interval is used in the data field Indicates short guard interval is used in the data field and NSYM mod 10 = 9 NSYM is defined in IEEE802.11ac_D1.0 Section 22.4.3 (TXTIME and PSDU_LENGTH calculation). su_mu_coding For an SU PPDU, B2 is set to 0 for BCC, 1 for LDPC For an MU PPDU, if the MU[0] NSTS field is nonzero(#6773), then B2 indicates the coding used for user 0; set to 0 for BCC and 1 for LDPC. If the MU[0] NSTS field is 0, then this field is reserved and set to 1 ldpc_extra_symbol Set to 1 if the LDPC PPDU encoding process (if an SU PPDU), or at least one LDPC user's PPDU encoding process (if an MU PPDU), results in an extra OFDM symbol (or symbols) as described in 22.3.10.5.4 (LDPC coding) and 22.3.10.5.5 (Encoding process for MU PPDUs). Set to 0 otherwise. mcs For SU: Set to 0 for BPSK 1/2 Set to 1 for QPSK 1/2 Set to 2 for QPSK 3/4 Set to 3 for 16-QAM 1/2 Set to 4 for 16-QAM 3/4 Set to 5 for 64-QAM 2/3 Set to 6 for 64-QAM 3/4 Set to 7 for 64-QAM 5/6 Set to 8 for 256-QAM 3/4 Set to 9 for 256-QAM 5/6 For MU: If NSTS for user 1 is non-zero, then vht_sig_a[1][4] indicates coding for user 1: set to 0 for BCC, 1 for LDPC. If NSTS for user 1 is set to 0, then vht_sig_a[1][4] is reserved and set to 1. If NSTS for user 2 is non-zero, then vht_sig_a[1][5] indicates coding for user 2: set to 0 for BCC, 1 for LDPC. If NSTS for user 2 is set to 0, then vht_sig_a[1][5] is reserved and set to 1. If NSTS for user 3 is non-zero, then vht_sig_a[1][6] indicates coding for user 3: set to 0 for BCC, 1 for LDPC. If NSTS for user 3 is set to 0, then vht_sig_a[1][6] is reserved and set to 1. vht_sig_a[1][7] is reserved and set to 1 beamformed For SU: Set to 1 if a Beamforming steering matrix is applied to the waveform in an SU transmission as described in IEEE802.11ac_D1.0 Section 19.3.11.11.2 (Spatial mapping), set to 0 otherwise. For MU: Reserved and set to 1 vhta_reserved_1 Reserved and set to 1. crc CRC calculated as in IEEE802.11ac_D1.0 Section 19.3.9.4.4 (CRC calculation for HTSIG) with C7 in vht_sig_a[1][10], etc. tail Used to terminate the trellis of the convolutional decoder. Set to 0. reserved_1 This field is not part of HT-SIG: Reserved: Should be set to 0 by the MAC and ignored by the PHY */ /* Description VHT_SIG_A_0_BANDWIDTH Packet bandwidth Indicates 20 MHz bandwidth Indicates 40 MHz bandwidth Indicates 80 MHz bandwidth Not supported: Indicates either 160 MHz bandwidth or 80 + 80 MHz bandwidth */ #define VHT_SIG_A_0_BANDWIDTH_OFFSET 0x00000000 #define VHT_SIG_A_0_BANDWIDTH_LSB 0 #define VHT_SIG_A_0_BANDWIDTH_MASK 0x00000003 /* Description VHT_SIG_A_0_VHTA_RESERVED_0 Reserved. Set to 1 by MAC, PHY should ignore */ #define VHT_SIG_A_0_VHTA_RESERVED_0_OFFSET 0x00000000 #define VHT_SIG_A_0_VHTA_RESERVED_0_LSB 2 #define VHT_SIG_A_0_VHTA_RESERVED_0_MASK 0x00000004 /* Description VHT_SIG_A_0_STBC Space time block coding: Indicates STBC is disabled Indicates STBC is enabled on all streams */ #define VHT_SIG_A_0_STBC_OFFSET 0x00000000 #define VHT_SIG_A_0_STBC_LSB 3 #define VHT_SIG_A_0_STBC_MASK 0x00000008 /* Description VHT_SIG_A_0_GROUP_ID In a SU VHT PPDU, if the PPDU carries MPDU(s) addressed to an AP or to a mesh STA, the Group ID field is set to 0, otherwise it is set to 63. In an NDP PPDU the Group ID is set according to IEEE 802.11ac_D1.0 Section 9.30.6 (Transmission of a VHT NDP). For a MU-MIMO PPDU the Group ID is set as in 802.11ac_D1.0 Section 22.3.11.3 (Group ID). */ #define VHT_SIG_A_0_GROUP_ID_OFFSET 0x00000000 #define VHT_SIG_A_0_GROUP_ID_LSB 4 #define VHT_SIG_A_0_GROUP_ID_MASK 0x000003f0 /* Description VHT_SIG_A_0_N_STS vht_sig_a[0][10+3u] - vht_sig_a[0][12+3u]), u = 0, 1, 2, 3) Set to 0 for 0 space time streams Set to 1 for 1 space time stream Set to 2 for 2 space time streams Set to 3 for 3 space time streams Set to 4 for 4 space time streams (not supported in WiFi 2.0) Values 5-7 are reserved In this field, references to user u should be interpreted as MU user u. As described in the previous chapter in this document (see chapter on User number), the MU user value for a given client is defined for each MU group that the client participates in. The MU user number is not related to the internal user number that is used within the BFer. For SU: vht_sig_a[0][12:10] Set to 0 for 1 space time stream Set to 1 for 2 space time streams Set to 2 for 3 space time streams Set to 3 for 4 space time streams Set to 4 for 5 space time streams (> 4 STS not supported in WiFi 2.0) Set to 5 for 6 space time streams Set to 6 for 7 space time streams Set to 7 for 8 space time streams vht_sig_a[0][21:13] Partial AID: Set to the value of the TXVECTOR parameter PARTIAL_AID. Partial AID provides an abbreviated indication of the intended recipient(s) of the frame (see IEEE802.11ac_D1.0 Section 9.17a (Partial AID in VHT PPDUs)). */ #define VHT_SIG_A_0_N_STS_OFFSET 0x00000000 #define VHT_SIG_A_0_N_STS_LSB 10 #define VHT_SIG_A_0_N_STS_MASK 0x003ffc00 /* Description VHT_SIG_A_0_TXOP_PS_NOT_ALLOWED Not supported: If set to by VHT AP if it allows non-AP VHT STAs in TXOP power save mode to enter Doze state during a TXOP Otherwise */ #define VHT_SIG_A_0_TXOP_PS_NOT_ALLOWED_OFFSET 0x00000000 #define VHT_SIG_A_0_TXOP_PS_NOT_ALLOWED_LSB 22 #define VHT_SIG_A_0_TXOP_PS_NOT_ALLOWED_MASK 0x00400000 /* Description VHT_SIG_A_0_VHTA_RESERVED_0B Reserved: Should be set to 1 by the MAC and ignored by the PHY */ #define VHT_SIG_A_0_VHTA_RESERVED_0B_OFFSET 0x00000000 #define VHT_SIG_A_0_VHTA_RESERVED_0B_LSB 23 #define VHT_SIG_A_0_VHTA_RESERVED_0B_MASK 0x00800000 /* Description VHT_SIG_A_0_RESERVED_0 This field is not part of HT-SIG: Reserved: Should be set to 0 by the MAC and ignored by the PHY */ #define VHT_SIG_A_0_RESERVED_0_OFFSET 0x00000000 #define VHT_SIG_A_0_RESERVED_0_LSB 24 #define VHT_SIG_A_0_RESERVED_0_MASK 0xff000000 /* Description VHT_SIG_A_1_SHORT_GI Indicates short guard interval is not used in the data field Indicates short guard interval is used in the data field Indicates short guard interval is used in the data field and NSYM mod 10 = 9 NSYM is defined in IEEE802.11ac_D1.0 Section 22.4.3 (TXTIME and PSDU_LENGTH calculation). */ #define VHT_SIG_A_1_SHORT_GI_OFFSET 0x00000004 #define VHT_SIG_A_1_SHORT_GI_LSB 0 #define VHT_SIG_A_1_SHORT_GI_MASK 0x00000003 /* Description VHT_SIG_A_1_SU_MU_CODING For an SU PPDU, B2 is set to 0 for BCC, 1 for LDPC For an MU PPDU, if the MU[0] NSTS field is nonzero(#6773), then B2 indicates the coding used for user 0; set to 0 for BCC and 1 for LDPC. If the MU[0] NSTS field is 0, then this field is reserved and set to 1 */ #define VHT_SIG_A_1_SU_MU_CODING_OFFSET 0x00000004 #define VHT_SIG_A_1_SU_MU_CODING_LSB 2 #define VHT_SIG_A_1_SU_MU_CODING_MASK 0x00000004 /* Description VHT_SIG_A_1_LDPC_EXTRA_SYMBOL Set to 1 if the LDPC PPDU encoding process (if an SU PPDU), or at least one LDPC user's PPDU encoding process (if an MU PPDU), results in an extra OFDM symbol (or symbols) as described in 22.3.10.5.4 (LDPC coding) and 22.3.10.5.5 (Encoding process for MU PPDUs). Set to 0 otherwise. */ #define VHT_SIG_A_1_LDPC_EXTRA_SYMBOL_OFFSET 0x00000004 #define VHT_SIG_A_1_LDPC_EXTRA_SYMBOL_LSB 3 #define VHT_SIG_A_1_LDPC_EXTRA_SYMBOL_MASK 0x00000008 /* Description VHT_SIG_A_1_MCS For SU: Set to 0 for BPSK 1/2 Set to 1 for QPSK 1/2 Set to 2 for QPSK 3/4 Set to 3 for 16-QAM 1/2 Set to 4 for 16-QAM 3/4 Set to 5 for 64-QAM 2/3 Set to 6 for 64-QAM 3/4 Set to 7 for 64-QAM 5/6 Set to 8 for 256-QAM 3/4 Set to 9 for 256-QAM 5/6 For MU: If NSTS for user 1 is non-zero, then vht_sig_a[1][4] indicates coding for user 1: set to 0 for BCC, 1 for LDPC. If NSTS for user 1 is set to 0, then vht_sig_a[1][4] is reserved and set to 1. If NSTS for user 2 is non-zero, then vht_sig_a[1][5] indicates coding for user 2: set to 0 for BCC, 1 for LDPC. If NSTS for user 2 is set to 0, then vht_sig_a[1][5] is reserved and set to 1. If NSTS for user 3 is non-zero, then vht_sig_a[1][6] indicates coding for user 3: set to 0 for BCC, 1 for LDPC. If NSTS for user 3 is set to 0, then vht_sig_a[1][6] is reserved and set to 1. vht_sig_a[1][7] is reserved and set to 1 */ #define VHT_SIG_A_1_MCS_OFFSET 0x00000004 #define VHT_SIG_A_1_MCS_LSB 4 #define VHT_SIG_A_1_MCS_MASK 0x000000f0 /* Description VHT_SIG_A_1_BEAMFORMED For SU: Set to 1 if a Beamforming steering matrix is applied to the waveform in an SU transmission as described in IEEE802.11ac_D1.0 Section 19.3.11.11.2 (Spatial mapping), set to 0 otherwise. For MU: Reserved and set to 1 */ #define VHT_SIG_A_1_BEAMFORMED_OFFSET 0x00000004 #define VHT_SIG_A_1_BEAMFORMED_LSB 8 #define VHT_SIG_A_1_BEAMFORMED_MASK 0x00000100 /* Description VHT_SIG_A_1_VHTA_RESERVED_1 Reserved and set to 1. */ #define VHT_SIG_A_1_VHTA_RESERVED_1_OFFSET 0x00000004 #define VHT_SIG_A_1_VHTA_RESERVED_1_LSB 9 #define VHT_SIG_A_1_VHTA_RESERVED_1_MASK 0x00000200 /* Description VHT_SIG_A_1_CRC CRC calculated as in IEEE802.11ac_D1.0 Section 19.3.9.4.4 (CRC calculation for HTSIG) with C7 in vht_sig_a[1][10], etc. */ #define VHT_SIG_A_1_CRC_OFFSET 0x00000004 #define VHT_SIG_A_1_CRC_LSB 10 #define VHT_SIG_A_1_CRC_MASK 0x0003fc00 /* Description VHT_SIG_A_1_TAIL Used to terminate the trellis of the convolutional decoder. Set to 0. */ #define VHT_SIG_A_1_TAIL_OFFSET 0x00000004 #define VHT_SIG_A_1_TAIL_LSB 18 #define VHT_SIG_A_1_TAIL_MASK 0x00fc0000 /* Description VHT_SIG_A_1_RESERVED_1 This field is not part of HT-SIG: Reserved: Should be set to 0 by the MAC and ignored by the PHY */ #define VHT_SIG_A_1_RESERVED_1_OFFSET 0x00000004 #define VHT_SIG_A_1_RESERVED_1_LSB 24 #define VHT_SIG_A_1_RESERVED_1_MASK 0xff000000 #endif // _VHT_SIG_A_H_