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 _RX_PREAMBLE_H_ 27 #define _RX_PREAMBLE_H_ 28 #if !defined(__ASSEMBLER__) 29 #endif 30 31 #define NUM_OF_DWORDS_RX_PREAMBLE 2 32 33 #define NUM_OF_QWORDS_RX_PREAMBLE 1 34 35 36 struct rx_preamble { 37 #ifndef WIFI_BIT_ORDER_BIG_ENDIAN 38 uint32_t num_users : 6, 39 pkt_type : 4, 40 direction : 1, 41 reserved_0a : 21; 42 uint32_t tlv64_padding : 32; 43 #else 44 uint32_t reserved_0a : 21, 45 direction : 1, 46 pkt_type : 4, 47 num_users : 6; 48 uint32_t tlv64_padding : 32; 49 #endif 50 }; 51 52 53 54 55 #define RX_PREAMBLE_NUM_USERS_OFFSET 0x0000000000000000 56 #define RX_PREAMBLE_NUM_USERS_LSB 0 57 #define RX_PREAMBLE_NUM_USERS_MSB 5 58 #define RX_PREAMBLE_NUM_USERS_MASK 0x000000000000003f 59 60 61 62 63 #define RX_PREAMBLE_PKT_TYPE_OFFSET 0x0000000000000000 64 #define RX_PREAMBLE_PKT_TYPE_LSB 6 65 #define RX_PREAMBLE_PKT_TYPE_MSB 9 66 #define RX_PREAMBLE_PKT_TYPE_MASK 0x00000000000003c0 67 68 69 70 71 #define RX_PREAMBLE_DIRECTION_OFFSET 0x0000000000000000 72 #define RX_PREAMBLE_DIRECTION_LSB 10 73 #define RX_PREAMBLE_DIRECTION_MSB 10 74 #define RX_PREAMBLE_DIRECTION_MASK 0x0000000000000400 75 76 77 78 79 #define RX_PREAMBLE_RESERVED_0A_OFFSET 0x0000000000000000 80 #define RX_PREAMBLE_RESERVED_0A_LSB 11 81 #define RX_PREAMBLE_RESERVED_0A_MSB 31 82 #define RX_PREAMBLE_RESERVED_0A_MASK 0x00000000fffff800 83 84 85 86 87 #define RX_PREAMBLE_TLV64_PADDING_OFFSET 0x0000000000000000 88 #define RX_PREAMBLE_TLV64_PADDING_LSB 32 89 #define RX_PREAMBLE_TLV64_PADDING_MSB 63 90 #define RX_PREAMBLE_TLV64_PADDING_MASK 0xffffffff00000000 91 92 93 94 #endif 95