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 _L_SIG_B_INFO_H_ 18 #define _L_SIG_B_INFO_H_ 19 #if !defined(__ASSEMBLER__) 20 #endif 21 22 #define NUM_OF_DWORDS_L_SIG_B_INFO 1 23 24 25 struct l_sig_b_info { 26 #ifndef WIFI_BIT_ORDER_BIG_ENDIAN 27 uint32_t rate : 4, // [3:0] 28 length : 12, // [15:4] 29 reserved : 15, // [30:16] 30 rx_integrity_check_passed : 1; // [31:31] 31 #else 32 uint32_t rx_integrity_check_passed : 1, // [31:31] 33 reserved : 15, // [30:16] 34 length : 12, // [15:4] 35 rate : 4; // [3:0] 36 #endif 37 }; 38 39 40 /* Description RATE 41 42 <enum 1 dsss_1_mpbs_long> DSSS 1 Mbps long 43 <enum 2 dsss_2_mbps_long> DSSS 2 Mbps long 44 <enum 3 cck_5_5_mbps_long> CCK 5.5 Mbps long 45 <enum 4 cck_11_mbps_long> CCK 11 Mbps long 46 <enum 5 dsss_2_mbps_short> DSSS 2 Mbps short 47 <enum 6 cck_5_5_mbps_short> CCK 5.5 Mbps short 48 <enum 7 cck_11_mbps_short> CCK 11 Mbps short 49 <legal 1-7> 50 */ 51 52 #define L_SIG_B_INFO_RATE_OFFSET 0x00000000 53 #define L_SIG_B_INFO_RATE_LSB 0 54 #define L_SIG_B_INFO_RATE_MSB 3 55 #define L_SIG_B_INFO_RATE_MASK 0x0000000f 56 57 58 /* Description LENGTH 59 60 The length indicates the number of octets in this MPDU. 61 <legal all> 62 */ 63 64 #define L_SIG_B_INFO_LENGTH_OFFSET 0x00000000 65 #define L_SIG_B_INFO_LENGTH_LSB 4 66 #define L_SIG_B_INFO_LENGTH_MSB 15 67 #define L_SIG_B_INFO_LENGTH_MASK 0x0000fff0 68 69 70 /* Description RESERVED 71 72 Reserved: Should be set to 0 by the transmitting MAC and 73 ignored by the PHY <legal 0> 74 */ 75 76 #define L_SIG_B_INFO_RESERVED_OFFSET 0x00000000 77 #define L_SIG_B_INFO_RESERVED_LSB 16 78 #define L_SIG_B_INFO_RESERVED_MSB 30 79 #define L_SIG_B_INFO_RESERVED_MASK 0x7fff0000 80 81 82 /* Description RX_INTEGRITY_CHECK_PASSED 83 84 TX side: Set to 0 85 RX side: Set to 1 if PHY determines the .11b PHY header 86 CRC check has passed, else set to 0 87 88 <legal all> 89 */ 90 91 #define L_SIG_B_INFO_RX_INTEGRITY_CHECK_PASSED_OFFSET 0x00000000 92 #define L_SIG_B_INFO_RX_INTEGRITY_CHECK_PASSED_LSB 31 93 #define L_SIG_B_INFO_RX_INTEGRITY_CHECK_PASSED_MSB 31 94 #define L_SIG_B_INFO_RX_INTEGRITY_CHECK_PASSED_MASK 0x80000000 95 96 97 98 #endif // L_SIG_B_INFO 99