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 _L_SIG_B_INFO_H_ 27 #define _L_SIG_B_INFO_H_ 28 #if !defined(__ASSEMBLER__) 29 #endif 30 31 #define NUM_OF_DWORDS_L_SIG_B_INFO 1 32 33 34 struct l_sig_b_info { 35 #ifndef WIFI_BIT_ORDER_BIG_ENDIAN 36 uint32_t rate : 4, // [3:0] 37 length : 12, // [15:4] 38 reserved : 15, // [30:16] 39 rx_integrity_check_passed : 1; // [31:31] 40 #else 41 uint32_t rx_integrity_check_passed : 1, // [31:31] 42 reserved : 15, // [30:16] 43 length : 12, // [15:4] 44 rate : 4; // [3:0] 45 #endif 46 }; 47 48 49 /* Description RATE 50 51 <enum 1 dsss_1_mpbs_long> DSSS 1 Mbps long 52 <enum 2 dsss_2_mbps_long> DSSS 2 Mbps long 53 <enum 3 cck_5_5_mbps_long> CCK 5.5 Mbps long 54 <enum 4 cck_11_mbps_long> CCK 11 Mbps long 55 <enum 5 dsss_2_mbps_short> DSSS 2 Mbps short 56 <enum 6 cck_5_5_mbps_short> CCK 5.5 Mbps short 57 <enum 7 cck_11_mbps_short> CCK 11 Mbps short 58 <legal 1-7> 59 */ 60 61 #define L_SIG_B_INFO_RATE_OFFSET 0x00000000 62 #define L_SIG_B_INFO_RATE_LSB 0 63 #define L_SIG_B_INFO_RATE_MSB 3 64 #define L_SIG_B_INFO_RATE_MASK 0x0000000f 65 66 67 /* Description LENGTH 68 69 The length indicates the number of octets in this MPDU. 70 <legal all> 71 */ 72 73 #define L_SIG_B_INFO_LENGTH_OFFSET 0x00000000 74 #define L_SIG_B_INFO_LENGTH_LSB 4 75 #define L_SIG_B_INFO_LENGTH_MSB 15 76 #define L_SIG_B_INFO_LENGTH_MASK 0x0000fff0 77 78 79 /* Description RESERVED 80 81 Reserved: Should be set to 0 by the transmitting MAC and 82 ignored by the PHY <legal 0> 83 */ 84 85 #define L_SIG_B_INFO_RESERVED_OFFSET 0x00000000 86 #define L_SIG_B_INFO_RESERVED_LSB 16 87 #define L_SIG_B_INFO_RESERVED_MSB 30 88 #define L_SIG_B_INFO_RESERVED_MASK 0x7fff0000 89 90 91 /* Description RX_INTEGRITY_CHECK_PASSED 92 93 TX side: Set to 0 94 RX side: Set to 1 if PHY determines the .11b PHY header 95 CRC check has passed, else set to 0 96 97 <legal all> 98 */ 99 100 #define L_SIG_B_INFO_RX_INTEGRITY_CHECK_PASSED_OFFSET 0x00000000 101 #define L_SIG_B_INFO_RX_INTEGRITY_CHECK_PASSED_LSB 31 102 #define L_SIG_B_INFO_RX_INTEGRITY_CHECK_PASSED_MSB 31 103 #define L_SIG_B_INFO_RX_INTEGRITY_CHECK_PASSED_MASK 0x80000000 104 105 106 107 #endif // L_SIG_B_INFO 108