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_SU20_INFO_H_ 27 #define _VHT_SIG_B_SU20_INFO_H_ 28 #if !defined(__ASSEMBLER__) 29 #endif 30 31 #define NUM_OF_DWORDS_VHT_SIG_B_SU20_INFO 1 32 33 34 struct vht_sig_b_su20_info { 35 #ifndef WIFI_BIT_ORDER_BIG_ENDIAN 36 uint32_t length : 17, // [16:0] 37 vhtb_reserved : 3, // [19:17] 38 tail : 6, // [25:20] 39 reserved : 5, // [30:26] 40 rx_ndp : 1; // [31:31] 41 #else 42 uint32_t rx_ndp : 1, // [31:31] 43 reserved : 5, // [30:26] 44 tail : 6, // [25:20] 45 vhtb_reserved : 3, // [19:17] 46 length : 17; // [16:0] 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_SU20_INFO_LENGTH_OFFSET 0x00000000 59 #define VHT_SIG_B_SU20_INFO_LENGTH_LSB 0 60 #define VHT_SIG_B_SU20_INFO_LENGTH_MSB 16 61 #define VHT_SIG_B_SU20_INFO_LENGTH_MASK 0x0001ffff 62 63 64 /* Description VHTB_RESERVED 65 66 Reserved: Set to all ones for non-NDP frames and ignored 67 on receive 68 <legal 2,7> 69 */ 70 71 #define VHT_SIG_B_SU20_INFO_VHTB_RESERVED_OFFSET 0x00000000 72 #define VHT_SIG_B_SU20_INFO_VHTB_RESERVED_LSB 17 73 #define VHT_SIG_B_SU20_INFO_VHTB_RESERVED_MSB 19 74 #define VHT_SIG_B_SU20_INFO_VHTB_RESERVED_MASK 0x000e0000 75 76 77 /* Description TAIL 78 79 Used to terminate the trellis of the convolutional decoder. 80 81 Set to 0. <legal 0> 82 */ 83 84 #define VHT_SIG_B_SU20_INFO_TAIL_OFFSET 0x00000000 85 #define VHT_SIG_B_SU20_INFO_TAIL_LSB 20 86 #define VHT_SIG_B_SU20_INFO_TAIL_MSB 25 87 #define VHT_SIG_B_SU20_INFO_TAIL_MASK 0x03f00000 88 89 90 /* Description RESERVED 91 92 Not part of VHT-SIG-B. 93 Reserved: Set to 0 and ignored on receive <legal 0> 94 */ 95 96 #define VHT_SIG_B_SU20_INFO_RESERVED_OFFSET 0x00000000 97 #define VHT_SIG_B_SU20_INFO_RESERVED_LSB 26 98 #define VHT_SIG_B_SU20_INFO_RESERVED_MSB 30 99 #define VHT_SIG_B_SU20_INFO_RESERVED_MASK 0x7c000000 100 101 102 /* Description RX_NDP 103 104 Not part of VHT-SIG-B. 105 Used to identify received NDP frame 106 <legal 0,1> 107 */ 108 109 #define VHT_SIG_B_SU20_INFO_RX_NDP_OFFSET 0x00000000 110 #define VHT_SIG_B_SU20_INFO_RX_NDP_LSB 31 111 #define VHT_SIG_B_SU20_INFO_RX_NDP_MSB 31 112 #define VHT_SIG_B_SU20_INFO_RX_NDP_MASK 0x80000000 113 114 115 116 #endif // VHT_SIG_B_SU20_INFO 117