1 2 /* 3 * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 19 20 #ifndef _RX_PREAMBLE_H_ 21 #define _RX_PREAMBLE_H_ 22 #if !defined(__ASSEMBLER__) 23 #endif 24 25 #define NUM_OF_DWORDS_RX_PREAMBLE 2 26 27 #define NUM_OF_QWORDS_RX_PREAMBLE 1 28 29 struct rx_preamble { 30 #ifndef WIFI_BIT_ORDER_BIG_ENDIAN 31 uint32_t num_users : 6, 32 pkt_type : 4, 33 direction : 1, 34 reserved_0a : 21; 35 uint32_t tlv64_padding : 32; 36 #else 37 uint32_t reserved_0a : 21, 38 direction : 1, 39 pkt_type : 4, 40 num_users : 6; 41 uint32_t tlv64_padding : 32; 42 #endif 43 }; 44 45 #define RX_PREAMBLE_NUM_USERS_OFFSET 0x0000000000000000 46 #define RX_PREAMBLE_NUM_USERS_LSB 0 47 #define RX_PREAMBLE_NUM_USERS_MSB 5 48 #define RX_PREAMBLE_NUM_USERS_MASK 0x000000000000003f 49 50 #define RX_PREAMBLE_PKT_TYPE_OFFSET 0x0000000000000000 51 #define RX_PREAMBLE_PKT_TYPE_LSB 6 52 #define RX_PREAMBLE_PKT_TYPE_MSB 9 53 #define RX_PREAMBLE_PKT_TYPE_MASK 0x00000000000003c0 54 55 #define RX_PREAMBLE_DIRECTION_OFFSET 0x0000000000000000 56 #define RX_PREAMBLE_DIRECTION_LSB 10 57 #define RX_PREAMBLE_DIRECTION_MSB 10 58 #define RX_PREAMBLE_DIRECTION_MASK 0x0000000000000400 59 60 #define RX_PREAMBLE_RESERVED_0A_OFFSET 0x0000000000000000 61 #define RX_PREAMBLE_RESERVED_0A_LSB 11 62 #define RX_PREAMBLE_RESERVED_0A_MSB 31 63 #define RX_PREAMBLE_RESERVED_0A_MASK 0x00000000fffff800 64 65 #define RX_PREAMBLE_TLV64_PADDING_OFFSET 0x0000000000000000 66 #define RX_PREAMBLE_TLV64_PADDING_LSB 32 67 #define RX_PREAMBLE_TLV64_PADDING_MSB 63 68 #define RX_PREAMBLE_TLV64_PADDING_MASK 0xffffffff00000000 69 70 #endif 71