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_SU20_INFO_H_ 18 #define _VHT_SIG_B_SU20_INFO_H_ 19 #if !defined(__ASSEMBLER__) 20 #endif 21 22 #define NUM_OF_DWORDS_VHT_SIG_B_SU20_INFO 1 23 24 25 struct vht_sig_b_su20_info { 26 #ifndef WIFI_BIT_ORDER_BIG_ENDIAN 27 uint32_t length : 17, // [16:0] 28 vhtb_reserved : 3, // [19:17] 29 tail : 6, // [25:20] 30 reserved : 5, // [30:26] 31 rx_ndp : 1; // [31:31] 32 #else 33 uint32_t rx_ndp : 1, // [31:31] 34 reserved : 5, // [30:26] 35 tail : 6, // [25:20] 36 vhtb_reserved : 3, // [19:17] 37 length : 17; // [16:0] 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_SU20_INFO_LENGTH_OFFSET 0x00000000 50 #define VHT_SIG_B_SU20_INFO_LENGTH_LSB 0 51 #define VHT_SIG_B_SU20_INFO_LENGTH_MSB 16 52 #define VHT_SIG_B_SU20_INFO_LENGTH_MASK 0x0001ffff 53 54 55 /* Description VHTB_RESERVED 56 57 Reserved: Set to all ones for non-NDP frames and ignored 58 on receive 59 <legal 2,7> 60 */ 61 62 #define VHT_SIG_B_SU20_INFO_VHTB_RESERVED_OFFSET 0x00000000 63 #define VHT_SIG_B_SU20_INFO_VHTB_RESERVED_LSB 17 64 #define VHT_SIG_B_SU20_INFO_VHTB_RESERVED_MSB 19 65 #define VHT_SIG_B_SU20_INFO_VHTB_RESERVED_MASK 0x000e0000 66 67 68 /* Description TAIL 69 70 Used to terminate the trellis of the convolutional decoder. 71 72 Set to 0. <legal 0> 73 */ 74 75 #define VHT_SIG_B_SU20_INFO_TAIL_OFFSET 0x00000000 76 #define VHT_SIG_B_SU20_INFO_TAIL_LSB 20 77 #define VHT_SIG_B_SU20_INFO_TAIL_MSB 25 78 #define VHT_SIG_B_SU20_INFO_TAIL_MASK 0x03f00000 79 80 81 /* Description RESERVED 82 83 Not part of VHT-SIG-B. 84 Reserved: Set to 0 and ignored on receive <legal 0> 85 */ 86 87 #define VHT_SIG_B_SU20_INFO_RESERVED_OFFSET 0x00000000 88 #define VHT_SIG_B_SU20_INFO_RESERVED_LSB 26 89 #define VHT_SIG_B_SU20_INFO_RESERVED_MSB 30 90 #define VHT_SIG_B_SU20_INFO_RESERVED_MASK 0x7c000000 91 92 93 /* Description RX_NDP 94 95 Not part of VHT-SIG-B. 96 Used to identify received NDP frame 97 <legal 0,1> 98 */ 99 100 #define VHT_SIG_B_SU20_INFO_RX_NDP_OFFSET 0x00000000 101 #define VHT_SIG_B_SU20_INFO_RX_NDP_LSB 31 102 #define VHT_SIG_B_SU20_INFO_RX_NDP_MSB 31 103 #define VHT_SIG_B_SU20_INFO_RX_NDP_MASK 0x80000000 104 105 106 107 #endif // VHT_SIG_B_SU20_INFO 108