1 2 /* Copyright (c) 2022, 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 18 19 20 21 22 23 24 25 26 #ifndef _VHT_SIG_B_MU20_INFO_H_ 27 #define _VHT_SIG_B_MU20_INFO_H_ 28 #if !defined(__ASSEMBLER__) 29 #endif 30 31 #define NUM_OF_DWORDS_VHT_SIG_B_MU20_INFO 1 32 33 34 struct vht_sig_b_mu20_info { 35 #ifndef WIFI_BIT_ORDER_BIG_ENDIAN 36 uint32_t length : 16, // [15:0] 37 mcs : 4, // [19:16] 38 tail : 6, // [25:20] 39 mu_user_number : 3, // [28:26] 40 reserved_0 : 3; // [31:29] 41 #else 42 uint32_t reserved_0 : 3, // [31:29] 43 mu_user_number : 3, // [28:26] 44 tail : 6, // [25:20] 45 mcs : 4, // [19:16] 46 length : 16; // [15:0] 47 #endif 48 }; 49 50 51 /* Description LENGTH 52 53 VHT-SIG-B Length (in units of 4 octets) = ceiling (LENGTH/4) 54 55 <legal all> 56 */ 57 58 #define VHT_SIG_B_MU20_INFO_LENGTH_OFFSET 0x00000000 59 #define VHT_SIG_B_MU20_INFO_LENGTH_LSB 0 60 #define VHT_SIG_B_MU20_INFO_LENGTH_MSB 15 61 #define VHT_SIG_B_MU20_INFO_LENGTH_MASK 0x0000ffff 62 63 64 /* Description MCS 65 66 Modulation as described in vht_sig_a mcs field 67 <legal 0-11> 68 */ 69 70 #define VHT_SIG_B_MU20_INFO_MCS_OFFSET 0x00000000 71 #define VHT_SIG_B_MU20_INFO_MCS_LSB 16 72 #define VHT_SIG_B_MU20_INFO_MCS_MSB 19 73 #define VHT_SIG_B_MU20_INFO_MCS_MASK 0x000f0000 74 75 76 /* Description TAIL 77 78 Used to terminate the trellis of the convolutional decoder. 79 80 <legal all> 81 */ 82 83 #define VHT_SIG_B_MU20_INFO_TAIL_OFFSET 0x00000000 84 #define VHT_SIG_B_MU20_INFO_TAIL_LSB 20 85 #define VHT_SIG_B_MU20_INFO_TAIL_MSB 25 86 #define VHT_SIG_B_MU20_INFO_TAIL_MASK 0x03f00000 87 88 89 /* Description MU_USER_NUMBER 90 91 Not part of VHT-SIG-B. 92 Mapping from user number (BFer hardware specific) to mu_user_number. 93 The reader is directed to the previous chapter (User Number) 94 for a definition of the terms user and mu_user. 95 <legal 0-3> 96 */ 97 98 #define VHT_SIG_B_MU20_INFO_MU_USER_NUMBER_OFFSET 0x00000000 99 #define VHT_SIG_B_MU20_INFO_MU_USER_NUMBER_LSB 26 100 #define VHT_SIG_B_MU20_INFO_MU_USER_NUMBER_MSB 28 101 #define VHT_SIG_B_MU20_INFO_MU_USER_NUMBER_MASK 0x1c000000 102 103 104 /* Description RESERVED_0 105 106 <legal 0> 107 */ 108 109 #define VHT_SIG_B_MU20_INFO_RESERVED_0_OFFSET 0x00000000 110 #define VHT_SIG_B_MU20_INFO_RESERVED_0_LSB 29 111 #define VHT_SIG_B_MU20_INFO_RESERVED_0_MSB 31 112 #define VHT_SIG_B_MU20_INFO_RESERVED_0_MASK 0xe0000000 113 114 115 116 #endif // VHT_SIG_B_MU20_INFO 117