1 /* 2 * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef _VHT_SIG_B_MU20_INFO_H_ 18 #define _VHT_SIG_B_MU20_INFO_H_ 19 #if !defined(__ASSEMBLER__) 20 #endif 21 22 #define NUM_OF_DWORDS_VHT_SIG_B_MU20_INFO 1 23 24 25 struct vht_sig_b_mu20_info { 26 #ifndef WIFI_BIT_ORDER_BIG_ENDIAN 27 uint32_t length : 16, // [15:0] 28 mcs : 4, // [19:16] 29 tail : 6, // [25:20] 30 mu_user_number : 3, // [28:26] 31 reserved_0 : 3; // [31:29] 32 #else 33 uint32_t reserved_0 : 3, // [31:29] 34 mu_user_number : 3, // [28:26] 35 tail : 6, // [25:20] 36 mcs : 4, // [19:16] 37 length : 16; // [15:0] 38 #endif 39 }; 40 41 42 /* Description LENGTH 43 44 VHT-SIG-B Length (in units of 4 octets) = ceiling (LENGTH/4) 45 46 <legal all> 47 */ 48 49 #define VHT_SIG_B_MU20_INFO_LENGTH_OFFSET 0x00000000 50 #define VHT_SIG_B_MU20_INFO_LENGTH_LSB 0 51 #define VHT_SIG_B_MU20_INFO_LENGTH_MSB 15 52 #define VHT_SIG_B_MU20_INFO_LENGTH_MASK 0x0000ffff 53 54 55 /* Description MCS 56 57 Modulation as described in vht_sig_a mcs field 58 <legal 0-11> 59 */ 60 61 #define VHT_SIG_B_MU20_INFO_MCS_OFFSET 0x00000000 62 #define VHT_SIG_B_MU20_INFO_MCS_LSB 16 63 #define VHT_SIG_B_MU20_INFO_MCS_MSB 19 64 #define VHT_SIG_B_MU20_INFO_MCS_MASK 0x000f0000 65 66 67 /* Description TAIL 68 69 Used to terminate the trellis of the convolutional decoder. 70 71 <legal all> 72 */ 73 74 #define VHT_SIG_B_MU20_INFO_TAIL_OFFSET 0x00000000 75 #define VHT_SIG_B_MU20_INFO_TAIL_LSB 20 76 #define VHT_SIG_B_MU20_INFO_TAIL_MSB 25 77 #define VHT_SIG_B_MU20_INFO_TAIL_MASK 0x03f00000 78 79 80 /* Description MU_USER_NUMBER 81 82 Not part of VHT-SIG-B. 83 Mapping from user number (BFer hardware specific) to mu_user_number. 84 The reader is directed to the previous chapter (User Number) 85 for a definition of the terms user and mu_user. 86 <legal 0-3> 87 */ 88 89 #define VHT_SIG_B_MU20_INFO_MU_USER_NUMBER_OFFSET 0x00000000 90 #define VHT_SIG_B_MU20_INFO_MU_USER_NUMBER_LSB 26 91 #define VHT_SIG_B_MU20_INFO_MU_USER_NUMBER_MSB 28 92 #define VHT_SIG_B_MU20_INFO_MU_USER_NUMBER_MASK 0x1c000000 93 94 95 /* Description RESERVED_0 96 97 <legal 0> 98 */ 99 100 #define VHT_SIG_B_MU20_INFO_RESERVED_0_OFFSET 0x00000000 101 #define VHT_SIG_B_MU20_INFO_RESERVED_0_LSB 29 102 #define VHT_SIG_B_MU20_INFO_RESERVED_0_MSB 31 103 #define VHT_SIG_B_MU20_INFO_RESERVED_0_MASK 0xe0000000 104 105 106 107 #endif // VHT_SIG_B_MU20_INFO 108