[6319] | 1 | /** @file wlan_mac_entries.c |
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| 2 | * @brief Event log |
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| 3 | * |
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| 4 | * This contains the code for accessing event log. |
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| 5 | * |
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| 6 | * @copyright Copyright 2014-2019, Mango Communications. All rights reserved. |
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| 7 | * Distributed under the Mango Communications Reference Design License |
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| 8 | * See LICENSE.txt included in the design archive or |
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| 9 | * at http://mangocomm.com/802.11/license |
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| 10 | * |
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| 11 | * @note This is the only code that the user should modify in order to add entries |
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| 12 | * to the event log. To add a new entry, please follow the template provided |
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| 13 | * and create: |
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| 14 | * 1) A new entry type in wlan_mac_entries.h |
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| 15 | * 2) Wrapper function: get_next_empty_*_entry() |
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| 16 | * 3) Update the print function so that it is easy to print the log to the |
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| 17 | * terminal |
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| 18 | * |
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| 19 | * This file is part of the Mango 802.11 Reference Design (https://mangocomm.com/802.11) |
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| 20 | */ |
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| 21 | |
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| 22 | |
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| 23 | /***************************** Include Files *********************************/ |
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| 24 | |
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| 25 | #include "wlan_mac_high_sw_config.h" |
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| 26 | |
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| 27 | // SDK includes |
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| 28 | #include "stdio.h" |
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| 29 | #include "stdlib.h" |
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| 30 | #include "string.h" |
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| 31 | #include "xil_types.h" |
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| 32 | #include "xstatus.h" |
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| 33 | |
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| 34 | // WLAN includes |
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| 35 | #include "wlan_mac_common.h" |
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| 36 | #include "wlan_mac_pkt_buf_util.h" |
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| 37 | #include "wlan_mac_event_log.h" |
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| 38 | #include "wlan_mac_entries.h" |
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| 39 | #include "wlan_mac_802_11_defs.h" |
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| 40 | #include "wlan_platform_common.h" |
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| 41 | #include "wlan_mac_packet_types.h" |
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| 42 | |
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| 43 | // WLAN Exp includes |
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| 44 | #include "wlan_exp_common.h" |
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| 45 | #include "wlan_exp_node.h" |
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| 46 | |
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| 47 | // Includes for wlan_exp_log_get_txrx_entry_sizes() |
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| 48 | #include "wlan_mac_eth_util.h" |
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| 49 | #include "wlan_mac_high.h" |
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| 50 | #include "wlan_mac_ltg.h" |
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| 51 | |
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| 52 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
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| 53 | |
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| 54 | |
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| 55 | /*************************** Constant Definitions ****************************/ |
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| 56 | |
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| 57 | |
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| 58 | |
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| 59 | /*********************** Global Variable Definitions *************************/ |
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| 60 | |
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| 61 | static u8 log_entry_en_mask; |
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| 62 | static u32 system_time_id; |
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| 63 | |
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| 64 | extern volatile s8 low_param_tx_ctrl_pow; |
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| 65 | extern wlan_mac_hw_info_t wlan_mac_hw_info; |
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| 66 | extern platform_common_dev_info_t platform_common_dev_info; |
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| 67 | |
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| 68 | |
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| 69 | //----------------------------------------------- |
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| 70 | // mac_payload_log_len |
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| 71 | // |
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| 72 | // Global variable that defines the number of payload bytes that are recorded |
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| 73 | // for each transmission / reception. This value must be between: |
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| 74 | // MIN_MAC_PAYLOAD_LOG_LEN |
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| 75 | // MAX_MAC_PAYLOAD_LOG_LEN |
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| 76 | // and be 4-byte aligned. Use the wlan_exp_log_set_mac_payload_len() method |
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| 77 | // to change the value of this variable. By default, this is set to the minimum |
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| 78 | // payload length to save space in the log and can be altered by C code or |
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| 79 | // through WLAN Exp. |
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| 80 | // |
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| 81 | |
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| 82 | u32 mac_payload_log_len; |
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| 83 | |
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| 84 | |
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| 85 | |
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| 86 | /*************************** Variable Definitions ****************************/ |
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| 87 | |
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| 88 | |
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| 89 | |
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| 90 | /*************************** Functions Prototypes ****************************/ |
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| 91 | |
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| 92 | void wlan_exp_log_get_txrx_entry_sizes( u32 type, u16 packet_payload_size, u32* min_log_len, u32* entry_size, u32* payload_size ); |
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| 93 | |
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| 94 | |
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| 95 | |
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| 96 | /******************************** Functions **********************************/ |
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| 97 | |
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| 98 | /*****************************************************************************/ |
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| 99 | /** |
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| 100 | * Get / Set entry enable mask. |
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| 101 | * |
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| 102 | * @param mask - Enable Mask. Bitwise OR of: |
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| 103 | * - ENTRY_EN_MASK_TXRX_CTRL |
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| 104 | * - ENTRY_EN_MASK_TXRX_MPDU |
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| 105 | * |
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| 106 | * @return None |
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| 107 | * |
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| 108 | *****************************************************************************/ |
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| 109 | u8 wlan_exp_log_get_entry_en_mask(){ |
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| 110 | return log_entry_en_mask; |
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| 111 | } |
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| 112 | |
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| 113 | void wlan_exp_log_set_entry_en_mask(u8 mask){ |
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| 114 | log_entry_en_mask = mask; |
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| 115 | } |
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| 116 | |
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| 117 | |
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| 118 | |
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| 119 | /*****************************************************************************/ |
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| 120 | /** |
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| 121 | * Reset system time ID |
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| 122 | * |
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| 123 | * Resets the system time ID to the TIME_INFO_ENTRY_BASE_SYSTEM_TIME_ID constant |
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| 124 | * |
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| 125 | * @param None |
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| 126 | * @return None |
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| 127 | * |
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| 128 | *****************************************************************************/ |
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| 129 | void wlan_exp_log_reset_system_time_id(){ |
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| 130 | system_time_id = TIME_INFO_ENTRY_BASE_SYSTEM_TIME_ID; |
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| 131 | } |
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| 132 | |
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| 133 | |
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| 134 | |
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| 135 | /*****************************************************************************/ |
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| 136 | /** |
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| 137 | * Get / Set max_mac_payload_log_len |
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| 138 | * |
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| 139 | * @param payload_len - Number of bytes to set aside for payload. |
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| 140 | * NOTE: This needs to be 4-byte aligned. |
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| 141 | * |
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| 142 | * @return None |
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| 143 | * |
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| 144 | *****************************************************************************/ |
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| 145 | u32 wlan_exp_log_get_mac_payload_len() { |
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| 146 | return mac_payload_log_len; |
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| 147 | } |
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| 148 | |
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| 149 | void wlan_exp_log_set_mac_payload_len(u32 payload_len){ |
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| 150 | u32 value; |
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| 151 | u32 offset; |
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| 152 | |
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| 153 | // Make sure that value is 4-byte aligned. |
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| 154 | offset = payload_len % 4; |
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| 155 | if (offset != 0) { |
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| 156 | value = payload_len; |
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| 157 | } else { |
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| 158 | value = payload_len + (4 - offset); |
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| 159 | } |
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| 160 | |
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| 161 | // If the value is less than the minimum, then set it to the minimum |
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| 162 | if (value < MIN_MAC_PAYLOAD_LOG_LEN) { |
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| 163 | value = MIN_MAC_PAYLOAD_LOG_LEN; |
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| 164 | } |
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| 165 | |
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| 166 | // If the value is greater than the maximum, then set it to the maximum |
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| 167 | if (value > MAX_MAC_PAYLOAD_LOG_LEN) { |
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| 168 | value = MAX_MAC_PAYLOAD_LOG_LEN; |
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| 169 | } |
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| 170 | |
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| 171 | // Set the global variable |
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| 172 | mac_payload_log_len = value; |
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| 173 | } |
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| 174 | |
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| 175 | |
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| 176 | |
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| 177 | /*****************************************************************************/ |
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| 178 | /** |
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| 179 | * Get the next empty log entry |
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| 180 | * |
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| 181 | * @param entry_type_id - ID of the entry being requested |
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| 182 | * @param entry_size - Number of total bytes in the entry. |
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| 183 | * NOTE: This needs to be 4-byte aligned. |
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| 184 | * |
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| 185 | * @return void * - Pointer to memory that was allocated for the entry in the log |
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| 186 | * NOTE: This can be NULL if an entry was not allocated |
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| 187 | * |
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| 188 | *****************************************************************************/ |
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| 189 | void* wlan_exp_log_create_entry(u16 entry_type_id, u16 entry_size){ |
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| 190 | |
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| 191 | void* ret_val = NULL; |
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| 192 | |
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| 193 | // |
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| 194 | // NOTE: This is where filtering on entry_type_id would be in future implementations |
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| 195 | // |
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| 196 | |
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| 197 | ret_val = event_log_get_next_empty_entry( entry_type_id, entry_size ); |
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| 198 | |
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| 199 | return ret_val; |
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| 200 | } |
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| 201 | |
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| 202 | |
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| 203 | |
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| 204 | /*****************************************************************************/ |
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| 205 | /** |
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| 206 | * Create a TX Low Log entry |
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| 207 | * |
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| 208 | * @param tx_frame_info - Pointer to frame info of the associated TX low entry |
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| 209 | * @param tx_low_details - Pointer to specific information of the TX low transmission |
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| 210 | * @param tx_low_count - Indicates which TX low this is for the TX MPDU (starts at zero) |
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| 211 | * |
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| 212 | * @return tx_low_entry * - Pointer to tx_low_entry log entry |
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| 213 | * NOTE: This can be NULL if an entry was not allocated |
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| 214 | * |
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| 215 | *****************************************************************************/ |
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| 216 | tx_low_entry* wlan_exp_log_create_tx_low_entry(tx_frame_info_t* tx_frame_info, wlan_mac_low_tx_details_t* tx_low_details){ |
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| 217 | |
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| 218 | tx_low_entry* tx_low_event_log_entry = NULL; |
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| 219 | void* mac_payload; |
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| 220 | u8* mac_payload_ptr_u8; |
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| 221 | mac_header_80211* tx_80211_header; |
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| 222 | u32 packet_payload_size; |
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| 223 | u16 entry_type; |
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| 224 | u32 entry_size; |
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| 225 | u32 entry_payload_size; |
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| 226 | u32 min_entry_payload_size; |
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| 227 | u8 is_ltg; |
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| 228 | |
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| 229 | mac_payload = (u8*)tx_frame_info + PHY_TX_PKT_BUF_MPDU_OFFSET; |
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| 230 | mac_payload_ptr_u8 = (u8*)mac_payload; |
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| 231 | tx_80211_header = (mac_header_80211*)((void *)mac_payload_ptr_u8); |
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| 232 | is_ltg = 0; |
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| 233 | |
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| 234 | // ---------------------------------------------------- |
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| 235 | // Create RTS log entry |
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| 236 | // |
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| 237 | if (((tx_low_details->tx_details_type == TX_DETAILS_RTS_ONLY) || (tx_low_details->tx_details_type == TX_DETAILS_RTS_MPDU)) && |
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| 238 | (log_entry_en_mask & ENTRY_EN_MASK_TXRX_CTRL)) { |
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| 239 | |
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| 240 | entry_type = ENTRY_TYPE_TX_LOW; |
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| 241 | packet_payload_size = sizeof(mac_header_80211_RTS) + WLAN_PHY_FCS_NBYTES; |
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| 242 | |
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| 243 | // Get all the necessary sizes to log the packet |
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| 244 | wlan_exp_log_get_txrx_entry_sizes(entry_type, packet_payload_size, &entry_size, &entry_payload_size, &min_entry_payload_size); |
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| 245 | |
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| 246 | // Request space for a TX_LOW log entry |
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| 247 | tx_low_event_log_entry = (tx_low_entry *) wlan_exp_log_create_entry(entry_type, entry_size); |
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| 248 | |
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| 249 | if (tx_low_event_log_entry != NULL) { |
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| 250 | // Store the payload size in the log entry |
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| 251 | tx_low_event_log_entry->mac_payload_log_len = entry_payload_size; |
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| 252 | |
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| 253 | // Create the payload for the log entry |
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| 254 | // The actual RTS bytes that were transmitted aren't visible to this function. We only |
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| 255 | // have the underlying MPDU that the RTS was trying to reserve the medium for. Instead, |
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| 256 | // we can reconstruct what the RTS payload actually was in this log entry. |
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| 257 | // |
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| 258 | wlan_create_rts_frame((void*)(&((tx_low_entry*)tx_low_event_log_entry)->mac_payload), |
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| 259 | tx_80211_header->address_1, |
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| 260 | tx_80211_header->address_2, |
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| 261 | tx_low_details->duration); |
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| 262 | |
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| 263 | // Zero pad out the rest of the payload |
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| 264 | // A RTS is smaller than a typical 24-byte 802.11 header. |
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| 265 | // |
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| 266 | // TODO: There is no good way to get a valid FCS for CTRL transmissions since the packet |
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| 267 | // buffer is long gone. Instead, we'll explicitly zero out those bytes as well. |
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| 268 | // |
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| 269 | if ((packet_payload_size - WLAN_PHY_FCS_NBYTES) < entry_payload_size) { |
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| 270 | bzero((u8*)(((u32)((tx_low_entry*)tx_low_event_log_entry)->mac_payload) + (packet_payload_size - WLAN_PHY_FCS_NBYTES)), |
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| 271 | (entry_payload_size - (packet_payload_size - WLAN_PHY_FCS_NBYTES))); |
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| 272 | } |
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| 273 | |
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| 274 | // Update the log entry fields |
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| 275 | tx_low_event_log_entry->timestamp_send = tx_low_details->tx_start_timestamp_ctrl; |
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| 276 | tx_low_event_log_entry->unique_seq = tx_frame_info->unique_seq; // NOTE: RTS frames don't have sequence numbers. However, for easier processing |
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| 277 | // we'll include the MPDU's unique sequence number in this RTS TX LOW entry |
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| 278 | // Copy: MCS, PHY mode, Antenna mode, and Power |
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| 279 | memcpy((&((tx_low_entry*)tx_low_event_log_entry)->phy_params), &(tx_low_details->phy_params_ctrl), sizeof(phy_tx_params_t)); |
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| 280 | |
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| 281 | // We need to overwrite the Tx power for the RTS entry with the default control power, not the power |
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| 282 | // in the tx_frame_info_t used by the MPDU |
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| 283 | ((tx_low_entry*)tx_low_event_log_entry)->phy_params.power = low_param_tx_ctrl_pow; |
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| 284 | |
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| 285 | tx_low_event_log_entry->transmission_count = tx_low_details->attempt_number; |
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| 286 | tx_low_event_log_entry->chan_num = tx_low_details->chan_num; |
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| 287 | tx_low_event_log_entry->length = packet_payload_size; |
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| 288 | tx_low_event_log_entry->num_slots = tx_low_details->num_slots; |
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| 289 | tx_low_event_log_entry->cw = tx_low_details->cw; |
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| 290 | tx_low_event_log_entry->flags = 0; |
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| 291 | tx_low_event_log_entry->pkt_type = MAC_FRAME_CTRL1_SUBTYPE_RTS; |
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| 292 | tx_low_event_log_entry->flags = 0; |
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| 293 | |
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| 294 | if(tx_low_details->flags & TX_DETAILS_FLAGS_RECEIVED_RESPONSE){ |
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| 295 | tx_low_event_log_entry->flags |= TX_LOW_FLAGS_RECEIVED_RESPONSE; |
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| 296 | } else { |
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| 297 | tx_low_event_log_entry->flags &= ~TX_LOW_FLAGS_RECEIVED_RESPONSE; |
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| 298 | } |
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| 299 | |
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| 300 | tx_low_event_log_entry->timestamp_send_frac = tx_low_details->tx_start_timestamp_frac_ctrl; |
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| 301 | tx_low_event_log_entry->phy_samp_rate = tx_frame_info->phy_samp_rate; |
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| 302 | } |
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| 303 | } |
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| 304 | |
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| 305 | // ---------------------------------------------------- |
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| 306 | // Create MPDU, CTS, or ACK log entry |
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| 307 | // |
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| 308 | // Note: CTS and ACK entries will only be created in this |
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| 309 | // context if they were directly enqueued by the upper |
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| 310 | // level MAC |
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| 311 | if (((tx_low_details->tx_details_type == TX_DETAILS_MPDU) || (tx_low_details->tx_details_type == TX_DETAILS_RTS_MPDU) |
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| 312 | || (tx_low_details->tx_details_type == TX_DETAILS_CTS) || (tx_low_details->tx_details_type == TX_DETAILS_ACK) ) && |
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| 313 | (log_entry_en_mask & ENTRY_EN_MASK_TXRX_MPDU)) { |
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| 314 | |
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| 315 | packet_payload_size = tx_frame_info->length; |
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| 316 | |
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| 317 | // Determine the type of the packet |
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| 318 | is_ltg = wlan_mac_high_is_pkt_ltg(mac_payload, packet_payload_size); |
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| 319 | |
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| 320 | // Determine the entry type |
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| 321 | if (is_ltg) { |
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| 322 | entry_type = ENTRY_TYPE_TX_LOW_LTG; |
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| 323 | } else { |
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| 324 | entry_type = ENTRY_TYPE_TX_LOW; |
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| 325 | } |
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| 326 | |
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| 327 | // Get all the necessary sizes to log the packet |
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| 328 | wlan_exp_log_get_txrx_entry_sizes(entry_type, packet_payload_size, &entry_size, &entry_payload_size, &min_entry_payload_size); |
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| 329 | |
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| 330 | // Request space for a TX_LOW log entry |
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| 331 | tx_low_event_log_entry = (tx_low_entry *) wlan_exp_log_create_entry(entry_type, entry_size); |
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| 332 | |
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| 333 | if(tx_low_event_log_entry != NULL){ |
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| 334 | // Store the payload size in the log entry |
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| 335 | tx_low_event_log_entry->mac_payload_log_len = entry_payload_size; |
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| 336 | |
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| 337 | // Transfer the payload to the log entry |
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| 338 | wlan_mac_high_cdma_start_transfer((&((tx_low_entry*)tx_low_event_log_entry)->mac_payload), tx_80211_header, entry_payload_size); |
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| 339 | |
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| 340 | // Zero pad log entry if payload_size was less than the allocated space in the log (ie min_log_len) |
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| 341 | if(entry_payload_size < min_entry_payload_size){ |
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| 342 | bzero((u8*)(((u32)((tx_low_entry*)tx_low_event_log_entry)->mac_payload) + entry_payload_size), (min_entry_payload_size - entry_payload_size)); |
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| 343 | } |
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| 344 | |
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| 345 | // Update the log entry fields |
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| 346 | tx_low_event_log_entry->timestamp_send = tx_low_details->tx_start_timestamp_mpdu; |
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| 347 | tx_low_event_log_entry->unique_seq = tx_frame_info->unique_seq; |
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| 348 | |
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| 349 | // Copy: MCS, PHY mode, Antenna mode, and Power |
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| 350 | memcpy((&((tx_low_entry*)tx_low_event_log_entry)->phy_params), &(tx_low_details->phy_params_mpdu), sizeof(phy_tx_params_t)); |
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| 351 | |
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| 352 | tx_low_event_log_entry->transmission_count = tx_low_details->attempt_number; |
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| 353 | tx_low_event_log_entry->chan_num = tx_low_details->chan_num; |
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| 354 | tx_low_event_log_entry->length = tx_frame_info->length; |
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| 355 | tx_low_event_log_entry->num_slots = tx_low_details->num_slots; |
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| 356 | tx_low_event_log_entry->cw = tx_low_details->cw; |
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| 357 | tx_low_event_log_entry->pkt_type = tx_80211_header->frame_control_1; |
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| 358 | |
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| 359 | if(is_ltg){ |
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| 360 | tx_low_event_log_entry->flags |= TX_LOW_FLAGS_LTG_PYLD; |
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| 361 | tx_low_event_log_entry->flags |= TX_LOW_FLAGS_LTG; |
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| 362 | } else { |
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| 363 | tx_low_event_log_entry->flags &= ~TX_LOW_FLAGS_LTG_PYLD; |
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| 364 | tx_low_event_log_entry->flags &= ~TX_LOW_FLAGS_LTG; |
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| 365 | } |
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| 366 | |
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| 367 | if(tx_low_details->flags & TX_DETAILS_FLAGS_RECEIVED_RESPONSE){ |
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| 368 | tx_low_event_log_entry->flags |= TX_LOW_FLAGS_RECEIVED_RESPONSE; |
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| 369 | } else { |
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| 370 | tx_low_event_log_entry->flags &= ~TX_LOW_FLAGS_RECEIVED_RESPONSE; |
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| 371 | } |
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| 372 | |
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| 373 | tx_low_event_log_entry->timestamp_send_frac = tx_low_details->tx_start_timestamp_frac_mpdu; |
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| 374 | tx_low_event_log_entry->phy_samp_rate = tx_frame_info->phy_samp_rate; |
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| 375 | |
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| 376 | // Finish CDMA transfer of the payload |
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| 377 | wlan_mac_high_cdma_finish_transfer(); |
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| 378 | |
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| 379 | // CPU Low updates the retry flag in the header for any re-transmissions |
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| 380 | // Re-create the original header for the first TX_LOW by de-asserting the flag |
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| 381 | if(tx_low_details->attempt_number == 1) { |
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| 382 | // This is the first transmission |
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| 383 | mac_header_80211* mac_header = (mac_header_80211*)(tx_low_event_log_entry->mac_payload); |
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| 384 | mac_header->frame_control_2 &= ~MAC_FRAME_CTRL2_FLAG_RETRY; |
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| 385 | } else { |
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| 386 | // This is all subsequent transmissions |
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| 387 | mac_header_80211* mac_header = (mac_header_80211*)(tx_low_event_log_entry->mac_payload); |
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| 388 | mac_header->frame_control_2 |= ~MAC_FRAME_CTRL2_FLAG_RETRY; |
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| 389 | } |
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| 390 | } |
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| 391 | } |
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| 392 | |
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| 393 | return tx_low_event_log_entry; |
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| 394 | } |
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| 395 | |
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| 396 | |
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| 397 | |
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| 398 | /*****************************************************************************/ |
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| 399 | /** |
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| 400 | * Create a TX High Log entry |
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| 401 | * |
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| 402 | * @param tx_frame_info - Pointer to frame info of the associated TX entry |
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| 403 | * @param channel_number - Indicates the channel on which the transmission occurred |
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| 404 | * |
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| 405 | * @return tx_high_entry * - Pointer to the tx_high_entry log entry |
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| 406 | * NOTE: This can be NULL if an entry was not allocated |
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| 407 | * |
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| 408 | *****************************************************************************/ |
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| 409 | tx_high_entry* wlan_exp_log_create_tx_high_entry(tx_frame_info_t* tx_frame_info){ |
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| 410 | |
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| 411 | tx_high_entry* tx_high_event_log_entry = NULL; |
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| 412 | void* mac_payload = (u8*)tx_frame_info + PHY_TX_PKT_BUF_MPDU_OFFSET; |
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| 413 | u8* mac_payload_ptr_u8 = (u8*)mac_payload; |
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| 414 | mac_header_80211* tx_80211_header = (mac_header_80211*)((void *)mac_payload_ptr_u8); |
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| 415 | u32 packet_payload_size = tx_frame_info->length; |
---|
| 416 | u16 entry_type; |
---|
| 417 | u32 entry_size; |
---|
| 418 | u32 entry_payload_size; |
---|
| 419 | u32 min_entry_payload_size; |
---|
| 420 | u32 transfer_len; |
---|
| 421 | u8 is_ltg; |
---|
| 422 | |
---|
| 423 | // MPDU logging is disabled |
---|
| 424 | if((log_entry_en_mask & ENTRY_EN_MASK_TXRX_MPDU) == 0){ |
---|
| 425 | return NULL; |
---|
| 426 | } |
---|
| 427 | |
---|
| 428 | is_ltg = wlan_mac_high_is_pkt_ltg(mac_payload, packet_payload_size); |
---|
| 429 | |
---|
| 430 | // Determine the entry type |
---|
| 431 | if (is_ltg) { |
---|
| 432 | entry_type = ENTRY_TYPE_TX_HIGH_LTG; |
---|
| 433 | } else { |
---|
| 434 | entry_type = ENTRY_TYPE_TX_HIGH; |
---|
| 435 | } |
---|
| 436 | |
---|
| 437 | // Get all the necessary sizes to log the packet |
---|
| 438 | wlan_exp_log_get_txrx_entry_sizes( entry_type, packet_payload_size, &entry_size, &entry_payload_size, &min_entry_payload_size ); |
---|
| 439 | |
---|
| 440 | // Request space for a TX entry |
---|
| 441 | tx_high_event_log_entry = (tx_high_entry *)wlan_exp_log_create_entry( entry_type, entry_size ); |
---|
| 442 | |
---|
| 443 | if(tx_high_event_log_entry != NULL){ |
---|
| 444 | |
---|
| 445 | // Fill in the TX log entry |
---|
| 446 | // This is done one field at a time, as the TX log entry format is not a byte-for-byte copy of the tx_frame_info |
---|
| 447 | tx_high_event_log_entry->mac_payload_log_len = entry_payload_size; |
---|
| 448 | |
---|
| 449 | // Compute the length of the DMA transfer to log the packet: |
---|
| 450 | // |
---|
| 451 | // We have two arrays in memory that we have to be aware of: |
---|
| 452 | // 1) The packet payload that has "packet_payload_size" bytes; |
---|
| 453 | // 2) The TX log entry that has "entry_payload_size" bytes; |
---|
| 454 | // |
---|
| 455 | // Because the packet payload does not have to be 32-bit aligned and we could be logging an arbitrary number of |
---|
| 456 | // bytes of the packet, we have to be careful about not walking off the end of either array. Therefore, we need |
---|
| 457 | // to transfer the shorter of the two arrays and then zero pad the log entry if we transfered less than |
---|
| 458 | // "entry_payload_size" bytes. |
---|
| 459 | // |
---|
| 460 | transfer_len = WLAN_MIN(entry_payload_size, packet_payload_size); |
---|
| 461 | |
---|
| 462 | wlan_mac_high_cdma_start_transfer((&((tx_high_entry*)tx_high_event_log_entry)->mac_payload), tx_80211_header, transfer_len); |
---|
| 463 | |
---|
| 464 | // Zero pad log entry if transfer_len was less than the allocated space in the log (ie entry_payload_size) |
---|
| 465 | if(transfer_len < entry_payload_size){ |
---|
| 466 | bzero((u8*)(((u32)((tx_high_entry*)tx_high_event_log_entry)->mac_payload) + transfer_len), (entry_payload_size - transfer_len) ); |
---|
| 467 | } |
---|
| 468 | |
---|
| 469 | // Populate the log entry |
---|
| 470 | tx_high_event_log_entry->timestamp_create = tx_frame_info->queue_info.enqueue_timestamp; |
---|
| 471 | tx_high_event_log_entry->delay_accept = (u32)(tx_frame_info->timestamp_accept - tx_frame_info->queue_info.enqueue_timestamp); |
---|
| 472 | tx_high_event_log_entry->delay_done = (u32)(tx_frame_info->timestamp_done - tx_frame_info->timestamp_accept); |
---|
| 473 | tx_high_event_log_entry->unique_seq = tx_frame_info->unique_seq; |
---|
| 474 | tx_high_event_log_entry->num_tx = tx_frame_info->num_tx_attempts; // TODO: Add long/short distinction to event log |
---|
| 475 | tx_high_event_log_entry->length = tx_frame_info->length; |
---|
| 476 | tx_high_event_log_entry->flags = 0; |
---|
| 477 | |
---|
| 478 | if(is_ltg){ |
---|
| 479 | tx_high_event_log_entry->flags |= TX_LOW_FLAGS_LTG_PYLD; |
---|
| 480 | tx_high_event_log_entry->flags |= TX_LOW_FLAGS_LTG; |
---|
| 481 | } else { |
---|
| 482 | tx_high_event_log_entry->flags &= ~TX_LOW_FLAGS_LTG_PYLD; |
---|
| 483 | tx_high_event_log_entry->flags &= ~TX_LOW_FLAGS_LTG; |
---|
| 484 | } |
---|
| 485 | if(tx_frame_info->tx_result == TX_FRAME_INFO_RESULT_SUCCESS){ |
---|
| 486 | tx_high_event_log_entry->flags |= TX_HIGH_FLAGS_SUCCESSFUL; |
---|
| 487 | } else { |
---|
| 488 | tx_high_event_log_entry->flags &= ~TX_HIGH_FLAGS_SUCCESSFUL; |
---|
| 489 | } |
---|
| 490 | tx_high_event_log_entry->pkt_type = tx_80211_header->frame_control_1; |
---|
| 491 | tx_high_event_log_entry->queue_id = tx_frame_info->queue_info.id; |
---|
| 492 | tx_high_event_log_entry->queue_occupancy = tx_frame_info->queue_info.occupancy; |
---|
| 493 | } |
---|
| 494 | |
---|
| 495 | return tx_high_event_log_entry; |
---|
| 496 | } |
---|
| 497 | |
---|
| 498 | |
---|
| 499 | |
---|
| 500 | /*****************************************************************************/ |
---|
| 501 | /** |
---|
| 502 | * Create a RX Log entry |
---|
| 503 | * |
---|
| 504 | * @param rx_mpdu - Pointer to RX MPDU of the associated RX entry |
---|
| 505 | * @param rate - Indicates the rate at which the reception occurred |
---|
| 506 | * |
---|
| 507 | * @return rx_common_entry * - Pointer to the rx_common_entry log entry |
---|
| 508 | * NOTE: This can be NULL if an entry was not allocated |
---|
| 509 | * |
---|
| 510 | *****************************************************************************/ |
---|
| 511 | rx_common_entry* wlan_exp_log_create_rx_entry(rx_frame_info_t* rx_frame_info){ |
---|
| 512 | |
---|
| 513 | rx_common_entry* rx_event_log_entry = NULL; |
---|
| 514 | tx_low_entry* tx_low_event_log_entry = NULL; //This is for any inferred CTRL transmissions |
---|
| 515 | void* mac_payload = (u8*)rx_frame_info + PHY_RX_PKT_BUF_MPDU_OFFSET; |
---|
| 516 | u8* mac_payload_ptr_u8 = (u8*)mac_payload; |
---|
| 517 | ltg_packet_id_t* pkt_id; |
---|
| 518 | mac_header_80211* rx_80211_header = (mac_header_80211*)((void *)mac_payload_ptr_u8); |
---|
| 519 | u32 packet_payload_size = rx_frame_info->phy_details.length; |
---|
| 520 | u8 phy_mode = rx_frame_info->phy_details.phy_mode; |
---|
| 521 | u32 entry_type; |
---|
| 522 | u8 rx_is_ltg = 0; |
---|
| 523 | u32 entry_size; |
---|
| 524 | u32 entry_payload_size; |
---|
| 525 | u32 min_entry_payload_size; |
---|
| 526 | u32 transfer_len; |
---|
| 527 | |
---|
| 528 | pkt_id = (ltg_packet_id_t*)(mac_payload_ptr_u8 + sizeof(mac_header_80211)); |
---|
| 529 | |
---|
| 530 | typedef enum copy_order_t{ |
---|
| 531 | PAYLOAD_FIRST, |
---|
| 532 | CHAN_EST_FIRST |
---|
| 533 | } copy_order_t; |
---|
| 534 | copy_order_t copy_order; |
---|
| 535 | |
---|
| 536 | if ((((rx_80211_header->frame_control_1 & 0xF) == MAC_FRAME_CTRL1_TYPE_DATA) && (log_entry_en_mask & ENTRY_EN_MASK_TXRX_MPDU)) || |
---|
| 537 | (((rx_80211_header->frame_control_1 & 0xF) == MAC_FRAME_CTRL1_TYPE_CTRL) && (log_entry_en_mask & ENTRY_EN_MASK_TXRX_CTRL)) || |
---|
| 538 | ( (rx_80211_header->frame_control_1 & 0xF) == MAC_FRAME_CTRL1_TYPE_MGMT) || |
---|
| 539 | ( (rx_frame_info->flags & RX_FRAME_INFO_FLAGS_FCS_GOOD) == 0)) { |
---|
| 540 | //Note: If the frame was not correctly decoded, we can not rely on the frame control byte to filter away log entry types. All |
---|
| 541 | //bad FCS packets are logged and any content based on MAC payload are best effort and should not be trusted by the log |
---|
| 542 | //processing context. |
---|
| 543 | |
---|
| 544 | // Determine the type of the packet |
---|
| 545 | rx_is_ltg = wlan_mac_high_is_pkt_ltg(mac_payload, packet_payload_size); |
---|
| 546 | |
---|
| 547 | // Determine the entry type based on the received waveform format |
---|
| 548 | if((phy_mode & PHY_MODE_HTMF) || (phy_mode & PHY_MODE_NONHT)) { |
---|
| 549 | if(rx_is_ltg){ |
---|
| 550 | entry_type = ENTRY_TYPE_RX_OFDM_LTG; |
---|
| 551 | } else { |
---|
| 552 | entry_type = ENTRY_TYPE_RX_OFDM; |
---|
| 553 | } |
---|
| 554 | } else { |
---|
| 555 | // DSSS reception |
---|
| 556 | entry_type = ENTRY_TYPE_RX_DSSS; |
---|
| 557 | } |
---|
| 558 | |
---|
| 559 | // Get all the necessary sizes to log the packet |
---|
| 560 | wlan_exp_log_get_txrx_entry_sizes(entry_type, packet_payload_size, &entry_size, &entry_payload_size, &min_entry_payload_size); |
---|
| 561 | |
---|
| 562 | // Create the log entry |
---|
| 563 | rx_event_log_entry = (rx_common_entry*) wlan_exp_log_create_entry(entry_type, entry_size); |
---|
| 564 | |
---|
| 565 | // Populate the log entry |
---|
| 566 | if (rx_event_log_entry != NULL) { |
---|
| 567 | |
---|
| 568 | // For maximum pipelining, we'll break up the two major log copy operations (packet payload + [optional] channel estimates) |
---|
| 569 | // We will start the CDMA operation for whichever of those copies is shorter, then fill in the rest of the log entry |
---|
| 570 | // while that copy is under way, and then start the CDMA operation for the larger (which will first block on the shorter if |
---|
| 571 | // it is still going). |
---|
| 572 | |
---|
| 573 | if (phy_mode == PHY_MODE_DSSS) { |
---|
| 574 | // This is a DSSS packet that has no channel estimates |
---|
| 575 | copy_order = PAYLOAD_FIRST; |
---|
| 576 | } else { |
---|
| 577 | // This is an OFDM packet that contains channel estimates |
---|
| 578 | #ifdef WLAN_MAC_ENTRIES_LOG_CHAN_EST |
---|
| 579 | if (sizeof(rx_frame_info->channel_est) < packet_payload_size) { |
---|
| 580 | copy_order = CHAN_EST_FIRST; |
---|
| 581 | } else { |
---|
| 582 | copy_order = PAYLOAD_FIRST; |
---|
| 583 | } |
---|
| 584 | #else |
---|
| 585 | copy_order = PAYLOAD_FIRST; |
---|
| 586 | #endif |
---|
| 587 | } |
---|
| 588 | |
---|
| 589 | // Compute the length of the DMA transfer to log the packet: |
---|
| 590 | // |
---|
| 591 | // We have two arrays in memory that we have to be aware of: |
---|
| 592 | // 1) The packet payload that has "packet_payload_size" bytes; |
---|
| 593 | // 2) The RX log entry that has "entry_payload_size" bytes; |
---|
| 594 | // |
---|
| 595 | // Because the packet payload does not have to be 32-bit aligned and we could be logging an arbitrary number of |
---|
| 596 | // bytes of the packet, we have to be careful about not walking off the end of either array. Therefore, we need |
---|
| 597 | // to transfer the shorter of the two arrays and then zero pad the log entry if we transfered less than |
---|
| 598 | // "entry_payload_size" bytes. |
---|
| 599 | // |
---|
| 600 | transfer_len = WLAN_MIN(entry_payload_size, packet_payload_size); |
---|
| 601 | |
---|
| 602 | // Start copy based on the copy order |
---|
| 603 | switch (copy_order) { |
---|
| 604 | case PAYLOAD_FIRST: |
---|
| 605 | if (phy_mode != PHY_MODE_DSSS) { |
---|
| 606 | ((rx_ofdm_entry*)rx_event_log_entry)->mac_payload_log_len = entry_payload_size; |
---|
| 607 | wlan_mac_high_cdma_start_transfer((((rx_ofdm_entry*)rx_event_log_entry)->mac_payload), rx_80211_header, transfer_len); |
---|
| 608 | |
---|
| 609 | // Zero pad log entry if transfer_len was less than the allocated space in the log (ie entry_payload_size) |
---|
| 610 | if (transfer_len < entry_payload_size) { |
---|
| 611 | bzero((u8*)(((u32)((rx_ofdm_entry*)rx_event_log_entry)->mac_payload) + transfer_len), (entry_payload_size - transfer_len)); |
---|
| 612 | } |
---|
| 613 | } else { |
---|
| 614 | ((rx_dsss_entry*)rx_event_log_entry)->mac_payload_log_len = entry_payload_size; |
---|
| 615 | wlan_mac_high_cdma_start_transfer((((rx_dsss_entry*)rx_event_log_entry)->mac_payload), rx_80211_header, transfer_len); |
---|
| 616 | |
---|
| 617 | // Zero pad log entry if transfer_len was less than the allocated space in the log (ie entry_payload_size) |
---|
| 618 | if (transfer_len < entry_payload_size) { |
---|
| 619 | bzero((u8*)(((u32)((rx_dsss_entry*)rx_event_log_entry)->mac_payload) + transfer_len), (entry_payload_size - transfer_len)); |
---|
| 620 | } |
---|
| 621 | } |
---|
| 622 | break; |
---|
| 623 | |
---|
| 624 | case CHAN_EST_FIRST: |
---|
| 625 | #ifdef WLAN_MAC_ENTRIES_LOG_CHAN_EST |
---|
| 626 | if (phy_mode != PHY_MODE_DSSS) wlan_mac_high_cdma_start_transfer(((rx_ofdm_entry*)rx_event_log_entry)->channel_est, rx_frame_info->channel_est, sizeof(rx_frame_info->channel_est)); |
---|
| 627 | #endif |
---|
| 628 | break; |
---|
| 629 | } |
---|
| 630 | |
---|
| 631 | // Fill in Log Entry |
---|
| 632 | rx_event_log_entry->timestamp = rx_frame_info->timestamp; |
---|
| 633 | rx_event_log_entry->timestamp_frac = rx_frame_info->timestamp_frac; |
---|
| 634 | rx_event_log_entry->phy_samp_rate = rx_frame_info->phy_samp_rate; |
---|
| 635 | rx_event_log_entry->length = rx_frame_info->phy_details.length; |
---|
| 636 | rx_event_log_entry->cfo_est = rx_frame_info->cfo_est; |
---|
| 637 | rx_event_log_entry->mcs = rx_frame_info->phy_details.mcs; |
---|
| 638 | rx_event_log_entry->phy_mode = rx_frame_info->phy_details.phy_mode; |
---|
| 639 | rx_event_log_entry->ant_mode = rx_frame_info->ant_mode; |
---|
| 640 | rx_event_log_entry->power = rx_frame_info->rx_power; |
---|
| 641 | rx_event_log_entry->flags = 0; |
---|
| 642 | if(rx_is_ltg){ |
---|
| 643 | rx_event_log_entry->flags |= RX_FLAGS_LTG_PYLD; |
---|
| 644 | rx_event_log_entry->flags |= RX_FLAGS_LTG; |
---|
| 645 | } else { |
---|
| 646 | rx_event_log_entry->flags &= ~RX_FLAGS_LTG_PYLD; |
---|
| 647 | rx_event_log_entry->flags &= ~RX_FLAGS_LTG; |
---|
| 648 | } |
---|
| 649 | |
---|
| 650 | |
---|
| 651 | if( (rx_frame_info->flags & RX_FRAME_INFO_FLAGS_FCS_GOOD) ){ |
---|
| 652 | rx_event_log_entry->flags |= RX_FLAGS_FCS_GOOD; |
---|
| 653 | } else { |
---|
| 654 | rx_event_log_entry->flags &= ~RX_FLAGS_FCS_GOOD; |
---|
| 655 | } |
---|
| 656 | |
---|
| 657 | if( (rx_frame_info->flags & RX_FRAME_INFO_UNEXPECTED_RESPONSE) ){ |
---|
| 658 | rx_event_log_entry->flags |= RX_FLAGS_UNEXPECTED_RESPONSE; |
---|
| 659 | } else { |
---|
| 660 | rx_event_log_entry->flags &= ~RX_FLAGS_UNEXPECTED_RESPONSE; |
---|
| 661 | } |
---|
| 662 | |
---|
| 663 | rx_event_log_entry->pkt_type = rx_80211_header->frame_control_1; |
---|
| 664 | rx_event_log_entry->chan_num = rx_frame_info->channel; |
---|
| 665 | rx_event_log_entry->rx_gain_index = rx_frame_info->rx_gain_index; |
---|
| 666 | |
---|
| 667 | // Start second copy based on the copy order |
---|
| 668 | switch(copy_order){ |
---|
| 669 | case PAYLOAD_FIRST: |
---|
| 670 | #ifdef WLAN_MAC_ENTRIES_LOG_CHAN_EST |
---|
| 671 | if(phy_mode != PHY_MODE_DSSS) wlan_mac_high_cdma_start_transfer(((rx_ofdm_entry*)rx_event_log_entry)->channel_est, rx_frame_info->channel_est, sizeof(rx_frame_info->channel_est)); |
---|
| 672 | #endif |
---|
| 673 | break; |
---|
| 674 | |
---|
| 675 | case CHAN_EST_FIRST: |
---|
| 676 | if (phy_mode != PHY_MODE_DSSS) { |
---|
| 677 | ((rx_ofdm_entry*)rx_event_log_entry)->mac_payload_log_len = entry_payload_size; |
---|
| 678 | wlan_mac_high_cdma_start_transfer((((rx_ofdm_entry*)rx_event_log_entry)->mac_payload), rx_80211_header, transfer_len); |
---|
| 679 | |
---|
| 680 | // Zero pad log entry if transfer_len was less than the allocated space in the log (ie entry_payload_size) |
---|
| 681 | if (transfer_len < entry_payload_size) { |
---|
| 682 | bzero((u8*)(((u32)((rx_ofdm_entry*)rx_event_log_entry)->mac_payload) + transfer_len), (entry_payload_size - transfer_len)); |
---|
| 683 | } |
---|
| 684 | } else { |
---|
| 685 | ((rx_dsss_entry*)rx_event_log_entry)->mac_payload_log_len = entry_payload_size; |
---|
| 686 | wlan_mac_high_cdma_start_transfer((((rx_dsss_entry*)rx_event_log_entry)->mac_payload), rx_80211_header, transfer_len); |
---|
| 687 | |
---|
| 688 | // Zero pad log entry if transfer_len was less than the allocated space in the log (ie entry_payload_size) |
---|
| 689 | if (transfer_len < entry_payload_size) { |
---|
| 690 | bzero((u8*)(((u32)((rx_dsss_entry*)rx_event_log_entry)->mac_payload) + transfer_len), (entry_payload_size - transfer_len)); |
---|
| 691 | } |
---|
| 692 | } |
---|
| 693 | break; |
---|
| 694 | } |
---|
| 695 | } |
---|
| 696 | } |
---|
| 697 | |
---|
| 698 | if ((rx_frame_info->flags & RX_FRAME_INFO_FLAGS_CTRL_RESP_TX) && (log_entry_en_mask & ENTRY_EN_MASK_TXRX_CTRL)) { |
---|
| 699 | |
---|
| 700 | // ------------------------------------------------ |
---|
| 701 | // Create CTS log entry |
---|
| 702 | // |
---|
| 703 | if (rx_80211_header->frame_control_1 == MAC_FRAME_CTRL1_SUBTYPE_RTS) { |
---|
| 704 | |
---|
| 705 | entry_type = ENTRY_TYPE_TX_LOW; |
---|
| 706 | packet_payload_size = sizeof(mac_header_80211_CTS) + WLAN_PHY_FCS_NBYTES; |
---|
| 707 | |
---|
| 708 | // Get all the necessary sizes to log the packet |
---|
| 709 | wlan_exp_log_get_txrx_entry_sizes(entry_type, packet_payload_size, &entry_size, &entry_payload_size, &min_entry_payload_size); |
---|
| 710 | |
---|
| 711 | // Request space for a TX_LOW log entry |
---|
| 712 | tx_low_event_log_entry = (tx_low_entry *) wlan_exp_log_create_entry(entry_type, entry_size); |
---|
| 713 | |
---|
| 714 | if (tx_low_event_log_entry != NULL) { |
---|
| 715 | // Store the payload size in the log entry |
---|
| 716 | tx_low_event_log_entry->mac_payload_log_len = entry_payload_size; |
---|
| 717 | |
---|
| 718 | // Create the payload for the log entry |
---|
| 719 | // The actual CTS bytes that were transmitted aren't visible to this function. We only |
---|
| 720 | // have the underlying MPDU that the CTS was trying to reserve the medium for. Instead, |
---|
| 721 | // we can reconstruct what the CTS payload actually was in this log entry. |
---|
| 722 | // |
---|
| 723 | wlan_create_cts_frame((void*)(&((tx_low_entry*)tx_low_event_log_entry)->mac_payload), |
---|
| 724 | rx_80211_header->address_2, |
---|
| 725 | rx_frame_info->resp_low_tx_details.duration); |
---|
| 726 | |
---|
| 727 | // Zero pad out the rest of the payload |
---|
| 728 | // A CTS is smaller than a typical 24-byte 802.11 header. |
---|
| 729 | // |
---|
| 730 | // TODO: There is no good way to get a valid FCS for CTRL transmissions since the packet |
---|
| 731 | // buffer is long gone. Instead, we'll explicitly zero out those bytes as well. |
---|
| 732 | // |
---|
| 733 | if ((packet_payload_size - WLAN_PHY_FCS_NBYTES) < entry_payload_size) { |
---|
| 734 | bzero((u8*)(((u32)((tx_low_entry*)tx_low_event_log_entry)->mac_payload) + (packet_payload_size - WLAN_PHY_FCS_NBYTES)), |
---|
| 735 | (entry_payload_size - (packet_payload_size - WLAN_PHY_FCS_NBYTES))); |
---|
| 736 | } |
---|
| 737 | |
---|
| 738 | // Update the log entry fields |
---|
| 739 | tx_low_event_log_entry->timestamp_send = rx_frame_info->resp_low_tx_details.tx_start_timestamp_ctrl; |
---|
| 740 | tx_low_event_log_entry->unique_seq = UNIQUE_SEQ_INVALID; |
---|
| 741 | |
---|
| 742 | // Copy: MCS, PHY mode, Antenna mode, and Power |
---|
| 743 | memcpy((&((tx_low_entry*)tx_low_event_log_entry)->phy_params), &(rx_frame_info->resp_low_tx_details.phy_params_ctrl), sizeof(phy_tx_params_t)); |
---|
| 744 | |
---|
| 745 | tx_low_event_log_entry->transmission_count = 1; |
---|
| 746 | tx_low_event_log_entry->chan_num = rx_frame_info->resp_low_tx_details.chan_num; |
---|
| 747 | tx_low_event_log_entry->length = packet_payload_size; |
---|
| 748 | tx_low_event_log_entry->num_slots = rx_frame_info->resp_low_tx_details.num_slots; |
---|
| 749 | tx_low_event_log_entry->cw = rx_frame_info->resp_low_tx_details.cw; |
---|
| 750 | tx_low_event_log_entry->pkt_type = MAC_FRAME_CTRL1_SUBTYPE_CTS; |
---|
| 751 | // Note: an Rx MPDU in response to this CTS will not be flagged as TX_LOW_FLAGS_RECEIVED_RESPONSE since there is no timeout after |
---|
| 752 | // a CTS transmission. |
---|
| 753 | tx_low_event_log_entry->flags = 0; |
---|
| 754 | tx_low_event_log_entry->timestamp_send_frac = rx_frame_info->resp_low_tx_details.tx_start_timestamp_frac_ctrl; |
---|
| 755 | tx_low_event_log_entry->phy_samp_rate = rx_frame_info->phy_samp_rate; // TODO: Makes assumption that response uses same PHY BW as Rx |
---|
| 756 | } |
---|
| 757 | |
---|
| 758 | // ------------------------------------------------ |
---|
| 759 | // Create ACK log entry |
---|
| 760 | // |
---|
| 761 | } else { |
---|
| 762 | // Note: this clause will be called for any reception that led to a control frame response. Since we have dealt with the CTS case |
---|
| 763 | // above, the only ever control response must be an ACK transmission. |
---|
| 764 | entry_type = ENTRY_TYPE_TX_LOW; |
---|
| 765 | packet_payload_size = sizeof(mac_header_80211_ACK) + WLAN_PHY_FCS_NBYTES; |
---|
| 766 | |
---|
| 767 | // Get all the necessary sizes to log the packet |
---|
| 768 | wlan_exp_log_get_txrx_entry_sizes(entry_type, packet_payload_size, &entry_size, &entry_payload_size, &min_entry_payload_size); |
---|
| 769 | |
---|
| 770 | // Request space for a TX_LOW log entry |
---|
| 771 | tx_low_event_log_entry = (tx_low_entry *) wlan_exp_log_create_entry(entry_type, entry_size); |
---|
| 772 | |
---|
| 773 | if (tx_low_event_log_entry != NULL) { |
---|
| 774 | // Store the payload size in the log entry |
---|
| 775 | tx_low_event_log_entry->mac_payload_log_len = entry_payload_size; |
---|
| 776 | |
---|
| 777 | // Create the payload for the log entry |
---|
| 778 | // The actual ACK bytes that were transmitted aren't visible to this function. We only |
---|
| 779 | // have the underlying MPDU that the ACK was a response for. Instead, we can reconstruct |
---|
| 780 | // what the ACK payload actually was in this log entry. |
---|
| 781 | // |
---|
| 782 | wlan_create_ack_frame((void*)(&((tx_low_entry*)tx_low_event_log_entry)->mac_payload), |
---|
| 783 | rx_80211_header->address_2); |
---|
| 784 | |
---|
| 785 | // Zero pad out the rest of the payload |
---|
| 786 | // An ACK is smaller than a typical 24-byte 802.11 header. |
---|
| 787 | // |
---|
| 788 | // TODO: There is no good way to get a valid FCS for CTRL transmissions since the packet |
---|
| 789 | // buffer is long gone. Instead, we'll explicitly zero out those bytes as well. |
---|
| 790 | // |
---|
| 791 | if ((packet_payload_size - WLAN_PHY_FCS_NBYTES) < entry_payload_size) { |
---|
| 792 | bzero((u8*)(((u32)((tx_low_entry*)tx_low_event_log_entry)->mac_payload) + (packet_payload_size - WLAN_PHY_FCS_NBYTES)), |
---|
| 793 | (entry_payload_size - (packet_payload_size - WLAN_PHY_FCS_NBYTES))); |
---|
| 794 | } |
---|
| 795 | |
---|
| 796 | // Update the log entry fields |
---|
| 797 | tx_low_event_log_entry->timestamp_send = rx_frame_info->resp_low_tx_details.tx_start_timestamp_ctrl; |
---|
| 798 | |
---|
| 799 | // If the received MPDU is an LTG, we can mirror its unique seq into the Tx unique seq for the ACK |
---|
| 800 | if (rx_is_ltg) { |
---|
| 801 | tx_low_event_log_entry->unique_seq = pkt_id->unique_seq; |
---|
| 802 | } else { |
---|
| 803 | tx_low_event_log_entry->unique_seq = UNIQUE_SEQ_INVALID; |
---|
| 804 | } |
---|
| 805 | |
---|
| 806 | // Copy: MCS, PHY mode, Antenna mode, and Power |
---|
| 807 | memcpy((&((tx_low_entry*)tx_low_event_log_entry)->phy_params), &(rx_frame_info->resp_low_tx_details.phy_params_ctrl), sizeof(phy_tx_params_t)); |
---|
| 808 | |
---|
| 809 | tx_low_event_log_entry->transmission_count = 1; |
---|
| 810 | tx_low_event_log_entry->chan_num = rx_frame_info->resp_low_tx_details.chan_num; |
---|
| 811 | tx_low_event_log_entry->length = packet_payload_size; |
---|
| 812 | tx_low_event_log_entry->num_slots = rx_frame_info->resp_low_tx_details.num_slots; |
---|
| 813 | tx_low_event_log_entry->cw = rx_frame_info->resp_low_tx_details.cw; |
---|
| 814 | tx_low_event_log_entry->pkt_type = MAC_FRAME_CTRL1_SUBTYPE_ACK; |
---|
| 815 | tx_low_event_log_entry->flags = 0; |
---|
| 816 | tx_low_event_log_entry->timestamp_send_frac = rx_frame_info->resp_low_tx_details.tx_start_timestamp_frac_ctrl; |
---|
| 817 | tx_low_event_log_entry->phy_samp_rate = rx_frame_info->phy_samp_rate; // TODO: Makes assumption that response uses same PHY BW as Rx |
---|
| 818 | tx_low_event_log_entry->flags = 0; |
---|
| 819 | } |
---|
| 820 | } |
---|
| 821 | } |
---|
| 822 | |
---|
| 823 | return rx_event_log_entry; |
---|
| 824 | } |
---|
| 825 | |
---|
| 826 | |
---|
| 827 | |
---|
| 828 | /*****************************************************************************/ |
---|
| 829 | /** |
---|
| 830 | * Determine RX/TX entry size |
---|
| 831 | * |
---|
| 832 | * @param rx_mpdu - Pointer to RX MPDU of the associated RX entry |
---|
| 833 | * @param channel_number - Indicates the channel on which the reception occurred |
---|
| 834 | * @param rate - Indicates the rate at which the reception occurred |
---|
| 835 | * |
---|
| 836 | * @return rx_common_entry * - Pointer to the rx_common_entry log entry |
---|
| 837 | * NOTE: This can be NULL if an entry was not allocated |
---|
| 838 | * |
---|
| 839 | *****************************************************************************/ |
---|
| 840 | void wlan_exp_log_get_txrx_entry_sizes( u32 entry_type, u16 packet_payload_size, |
---|
| 841 | u32* entry_size, u32* entry_payload_size, u32* min_entry_payload_size ) { |
---|
| 842 | u32 base_entry_size; |
---|
| 843 | u32 pkt_bytes_to_log; |
---|
| 844 | u32 log_bytes_to_log; |
---|
| 845 | u32 extra_entry_payload; |
---|
| 846 | |
---|
| 847 | u32 tmp_entry_size = 0; |
---|
| 848 | u32 tmp_entry_payload_size = 0; |
---|
| 849 | u32 tmp_min_entry_payload_size; |
---|
| 850 | |
---|
| 851 | // Set the base entry size based on the entry type |
---|
| 852 | switch (entry_type) { |
---|
| 853 | case ENTRY_TYPE_RX_OFDM: |
---|
| 854 | case ENTRY_TYPE_RX_OFDM_LTG: base_entry_size = sizeof(rx_ofdm_entry); break; |
---|
| 855 | |
---|
| 856 | case ENTRY_TYPE_RX_DSSS: base_entry_size = sizeof(rx_dsss_entry); break; |
---|
| 857 | |
---|
| 858 | case ENTRY_TYPE_TX_HIGH: |
---|
| 859 | case ENTRY_TYPE_TX_HIGH_LTG: base_entry_size = sizeof(tx_high_entry); break; |
---|
| 860 | |
---|
| 861 | case ENTRY_TYPE_TX_LOW: |
---|
| 862 | case ENTRY_TYPE_TX_LOW_LTG: base_entry_size = sizeof(tx_low_entry); break; |
---|
| 863 | |
---|
| 864 | default: base_entry_size = 0; break; |
---|
| 865 | } |
---|
| 866 | |
---|
| 867 | // Determine the minimum entry payload size based on entry type |
---|
| 868 | switch (entry_type) { |
---|
| 869 | // Non-LTG TX/RX Entry types |
---|
| 870 | case ENTRY_TYPE_RX_DSSS: |
---|
| 871 | case ENTRY_TYPE_RX_OFDM: |
---|
| 872 | case ENTRY_TYPE_TX_HIGH: |
---|
| 873 | case ENTRY_TYPE_TX_LOW: |
---|
| 874 | tmp_min_entry_payload_size = MIN_MAC_PAYLOAD_LOG_LEN; |
---|
| 875 | break; |
---|
| 876 | |
---|
| 877 | // LTG TX/RX Entry types |
---|
| 878 | case ENTRY_TYPE_RX_OFDM_LTG: |
---|
| 879 | case ENTRY_TYPE_TX_HIGH_LTG: |
---|
| 880 | case ENTRY_TYPE_TX_LOW_LTG: |
---|
| 881 | tmp_min_entry_payload_size = MIN_MAC_PAYLOAD_LTG_LOG_LEN; |
---|
| 882 | break; |
---|
| 883 | |
---|
| 884 | default: |
---|
| 885 | tmp_min_entry_payload_size = MIN_MAC_PAYLOAD_LOG_LEN; |
---|
| 886 | break; |
---|
| 887 | } |
---|
| 888 | |
---|
| 889 | // Determine the entry size and payload size based on the entry type |
---|
| 890 | switch (entry_type) { |
---|
| 891 | |
---|
| 892 | // Determine length required for RX / TX high log entry: |
---|
| 893 | // |
---|
| 894 | // - mac_payload_log_len is a global variable that determines the maximum number of payload bytes to log. This |
---|
| 895 | // can be changed during runtime by WLAN Exp or other C code. |
---|
| 896 | // - MIN_MAC_PAYLOAD_LOG_LEN and MIN_MAC_PAYLOAD_LTG_LOG_LEN define the minimum payload that should be logged |
---|
| 897 | // for regular and LTG packets, respectively. This value is guaranteed to be 32-bit aligned (ie a multiple |
---|
| 898 | // of 4 bytes). |
---|
| 899 | // |
---|
| 900 | // Procedure: |
---|
| 901 | // 1) Determine the number of bytes we would log from the packet, enforcing the minimum number of bytes from 1). |
---|
| 902 | // 2) Determine the number of bytes the infrastructure is asking us to log, enforcing the minimum number of bytes from 1). |
---|
| 903 | // 3) Determine the number of bytes we will actually log by taking the minimum bytes from 2) and 3) so we don't |
---|
| 904 | // add extra bytes to the log for no reason. |
---|
| 905 | // 4) Determine the number of bytes needed to be allocated for the log entry beyond the MIN_MAC_PAYLOAD_LOG_LEN which |
---|
| 906 | // is part of the log entry definition. |
---|
| 907 | // |
---|
| 908 | case ENTRY_TYPE_RX_DSSS: |
---|
| 909 | case ENTRY_TYPE_RX_OFDM: |
---|
| 910 | case ENTRY_TYPE_RX_OFDM_LTG: |
---|
| 911 | case ENTRY_TYPE_TX_HIGH: |
---|
| 912 | case ENTRY_TYPE_TX_HIGH_LTG: |
---|
| 913 | // Determine if we need to log the minimum entry payload size or the 32-bit aligned packet payload, whichever is larger |
---|
| 914 | pkt_bytes_to_log = WLAN_MAX(tmp_min_entry_payload_size, ((1 + ((packet_payload_size - 1U) / 4U))*4U)); |
---|
| 915 | |
---|
| 916 | // Determine if we need to log the mimimum entry payload size or the mac_payload_log_len, whichever is larger |
---|
| 917 | log_bytes_to_log = WLAN_MAX(tmp_min_entry_payload_size, mac_payload_log_len); |
---|
| 918 | |
---|
| 919 | // Log the minimum of either the pkt_bytes_to_log or the log_bytes_to_log |
---|
| 920 | tmp_entry_payload_size = WLAN_MIN( pkt_bytes_to_log, log_bytes_to_log ); |
---|
| 921 | |
---|
| 922 | // Determine the extra payload bytes needed for the entry beyond the MIN_MAC_PAYLOAD_LOG_LEN already allocated |
---|
| 923 | extra_entry_payload = (tmp_entry_payload_size > MIN_MAC_PAYLOAD_LOG_LEN) ? (tmp_entry_payload_size - MIN_MAC_PAYLOAD_LOG_LEN) : 0; |
---|
| 924 | |
---|
| 925 | // Then entry size is the base_entry_size plus the extra payload |
---|
| 926 | tmp_entry_size = base_entry_size + extra_entry_payload; |
---|
| 927 | break; |
---|
| 928 | |
---|
| 929 | |
---|
| 930 | // Determine length required for TX low log entry: |
---|
| 931 | // - Log the MAC header. |
---|
| 932 | // |
---|
| 933 | case ENTRY_TYPE_TX_LOW: |
---|
| 934 | tmp_entry_size = base_entry_size; |
---|
| 935 | tmp_entry_payload_size = sizeof(mac_header_80211); |
---|
| 936 | break; |
---|
| 937 | |
---|
| 938 | |
---|
| 939 | // Determine length required for TX low LTG log entry: |
---|
| 940 | // - Log the MAC header, LLC header, and LTG payload ID |
---|
| 941 | // |
---|
| 942 | case ENTRY_TYPE_TX_LOW_LTG: |
---|
| 943 | tmp_entry_size = base_entry_size + sizeof(ltg_packet_id_t); |
---|
| 944 | tmp_entry_payload_size = sizeof(mac_header_80211) + sizeof(ltg_packet_id_t); |
---|
| 945 | break; |
---|
| 946 | |
---|
| 947 | |
---|
| 948 | default: |
---|
| 949 | #if WLAN_SW_CONFIG_ENABLE_WLAN_EXP |
---|
| 950 | wlan_exp_printf(WLAN_EXP_PRINT_WARNING, print_type_event_log, "Unknown entry type: %d", entry_type); |
---|
| 951 | tmp_entry_size = 0; |
---|
| 952 | tmp_entry_payload_size = 0; |
---|
| 953 | #endif |
---|
| 954 | break; |
---|
| 955 | } |
---|
| 956 | |
---|
| 957 | // Assign output arguments |
---|
| 958 | *entry_size = tmp_entry_size; |
---|
| 959 | *entry_payload_size = tmp_entry_payload_size; |
---|
| 960 | *min_entry_payload_size = tmp_min_entry_payload_size; |
---|
| 961 | } |
---|
| 962 | |
---|
| 963 | |
---|
| 964 | /*****************************************************************************/ |
---|
| 965 | // |
---|
| 966 | // Functions to add fields to the log |
---|
| 967 | // |
---|
| 968 | // NOTE: These functions should not be modified unless necessary |
---|
| 969 | // |
---|
| 970 | /*****************************************************************************/ |
---|
| 971 | |
---|
| 972 | |
---|
| 973 | /*****************************************************************************/ |
---|
| 974 | /** |
---|
| 975 | * Add a node info entry |
---|
| 976 | * |
---|
| 977 | * @param None |
---|
| 978 | * |
---|
| 979 | * @return None |
---|
| 980 | * |
---|
| 981 | * |
---|
| 982 | *****************************************************************************/ |
---|
| 983 | void add_node_info_entry() { |
---|
| 984 | |
---|
| 985 | |
---|
| 986 | node_info_entry* entry; |
---|
| 987 | |
---|
| 988 | // For this entry, we do not use the wlan_exp_log_create_entry wrapper because this entry should never be |
---|
| 989 | // filtered due to assumptions on the log structure (ie the first entry in the log will always be a NODE_INFO |
---|
| 990 | // entry) |
---|
| 991 | // |
---|
| 992 | entry = (node_info_entry *)event_log_get_next_empty_entry(ENTRY_TYPE_NODE_INFO, sizeof(node_info_entry)); |
---|
| 993 | |
---|
| 994 | if (entry != NULL) { |
---|
| 995 | entry->timestamp = get_mac_time_usec(); |
---|
| 996 | entry->serial_number = wlan_mac_hw_info.serial_number; |
---|
| 997 | entry->platform_id = platform_common_dev_info.platform_id; |
---|
| 998 | |
---|
| 999 | entry->wlan_mac_addr = (u64)wlan_mac_hw_info.hw_addr_wlan[5] + \ |
---|
| 1000 | (((u64)wlan_mac_hw_info.hw_addr_wlan[4]) << 8) + \ |
---|
| 1001 | (((u64)wlan_mac_hw_info.hw_addr_wlan[3]) << 16) + \ |
---|
| 1002 | (((u64)wlan_mac_hw_info.hw_addr_wlan[2]) << 24) + \ |
---|
| 1003 | (((u64)wlan_mac_hw_info.hw_addr_wlan[1]) << 32) + \ |
---|
| 1004 | (((u64)wlan_mac_hw_info.hw_addr_wlan[0]) << 40); |
---|
| 1005 | |
---|
| 1006 | entry->wlan_max_tx_power_dbm = platform_common_dev_info.tx_power_max_dbm; |
---|
| 1007 | entry->wlan_min_tx_power_dbm = platform_common_dev_info.tx_power_min_dbm; |
---|
| 1008 | |
---|
| 1009 | #if WLAN_SW_CONFIG_ENABLE_WLAN_EXP |
---|
| 1010 | wlan_exp_node_info_t* wlan_exp_node_info = wlan_exp_get_node_info(); |
---|
| 1011 | |
---|
| 1012 | entry->high_sw_id = wlan_exp_node_info->high_sw_id; |
---|
| 1013 | entry->high_sw_config = wlan_exp_node_info->high_sw_config; |
---|
| 1014 | entry->low_sw_id = wlan_exp_node_info->low_sw_id; |
---|
| 1015 | entry->low_sw_config = wlan_exp_node_info->low_sw_config; |
---|
| 1016 | entry->node_id = wlan_exp_node_info->node_id; |
---|
| 1017 | entry->wlan_exp_version = wlan_exp_node_info->wlan_exp_version; |
---|
| 1018 | |
---|
| 1019 | //FIXME: these shouldn't be wlan_exp specific, but at the moment the only struct that actually |
---|
| 1020 | // stores these details is wlan_exp's node_info |
---|
| 1021 | memcpy(entry->high_compilation_date, wlan_exp_node_info->high_compilation_date, sizeof(wlan_exp_node_info->high_compilation_date)); |
---|
| 1022 | memcpy(entry->high_compilation_time, wlan_exp_node_info->high_compilation_time, sizeof(wlan_exp_node_info->high_compilation_time)); |
---|
| 1023 | memcpy(entry->low_compilation_date, wlan_exp_node_info->low_compilation_date, sizeof(wlan_exp_node_info->low_compilation_date)); |
---|
| 1024 | memcpy(entry->low_compilation_time, wlan_exp_node_info->low_compilation_time, sizeof(wlan_exp_node_info->low_compilation_time)); |
---|
| 1025 | |
---|
| 1026 | #endif //WLAN_SW_CONFIG_ENABLE_WLAN_EXP |
---|
| 1027 | } |
---|
| 1028 | } |
---|
| 1029 | |
---|
| 1030 | |
---|
| 1031 | |
---|
| 1032 | /*****************************************************************************/ |
---|
| 1033 | /** |
---|
| 1034 | * Add a Time Info log entry to the log |
---|
| 1035 | * |
---|
| 1036 | * @param timestamp - Timestamp to use for the log entry (MAC time old timebase) |
---|
| 1037 | * @param mac_time - MAC time (new timebase) |
---|
| 1038 | * @param system_time - System time |
---|
| 1039 | * @param host_time - Host time |
---|
| 1040 | * @param reason - Reason the time info entry was created |
---|
| 1041 | * @param time_id - ID to use for the time info entry |
---|
| 1042 | * @param use_time_id - Use the provided time_id or system_time_id |
---|
| 1043 | * 0 = Use system_time_id |
---|
| 1044 | * 1 = Use provided time_id |
---|
| 1045 | * |
---|
| 1046 | * @return time_info_entry * - Pointer to the time_info_entry log entry |
---|
| 1047 | * NOTE: This can be NULL if an entry was not allocated |
---|
| 1048 | * |
---|
| 1049 | *****************************************************************************/ |
---|
| 1050 | void add_time_info_entry(u64 timestamp, u64 mac_time, u64 system_time, u64 host_time, u32 reason, u32 time_id, u8 use_time_id) { |
---|
| 1051 | |
---|
| 1052 | time_info_entry* time_entry; |
---|
| 1053 | |
---|
| 1054 | // Create a time info log entry |
---|
| 1055 | time_entry = (time_info_entry *) wlan_exp_log_create_entry(ENTRY_TYPE_TIME_INFO, sizeof(time_info_entry)); |
---|
| 1056 | |
---|
| 1057 | if (time_entry != NULL) { |
---|
| 1058 | time_entry->timestamp = timestamp; |
---|
| 1059 | |
---|
| 1060 | if (use_time_id) { |
---|
| 1061 | time_entry->time_id = time_id; |
---|
| 1062 | } else { |
---|
| 1063 | time_entry->time_id = system_time_id; |
---|
| 1064 | system_time_id++; |
---|
| 1065 | } |
---|
| 1066 | |
---|
| 1067 | time_entry->reason = reason; |
---|
| 1068 | time_entry->mac_timestamp = mac_time; |
---|
| 1069 | time_entry->system_timestamp = system_time; |
---|
| 1070 | time_entry->host_timestamp = host_time; |
---|
| 1071 | } |
---|
| 1072 | } |
---|
| 1073 | |
---|
| 1074 | |
---|
| 1075 | |
---|
| 1076 | /*****************************************************************************/ |
---|
| 1077 | /** |
---|
| 1078 | * Add the temperature to the log |
---|
| 1079 | * |
---|
| 1080 | * @param None |
---|
| 1081 | * |
---|
| 1082 | * @return u32 - Status of the command: |
---|
| 1083 | * WLAN_SUCCESS - Command completed successfully |
---|
| 1084 | * WLAN_FAILURE - There was an error in the command |
---|
| 1085 | * |
---|
| 1086 | * |
---|
| 1087 | *****************************************************************************/ |
---|
| 1088 | u32 add_temperature_to_log() { |
---|
| 1089 | |
---|
| 1090 | temperature_entry* entry; |
---|
| 1091 | u32 entry_size = sizeof(temperature_entry); |
---|
| 1092 | // wlan_mac_hw_info_t * hw_info; |
---|
| 1093 | |
---|
| 1094 | // hw_info = get_mac_hw_info(); |
---|
| 1095 | |
---|
| 1096 | entry = (temperature_entry *)wlan_exp_log_create_entry(ENTRY_TYPE_TEMPERATURE, entry_size); |
---|
| 1097 | |
---|
| 1098 | if (entry != NULL) { |
---|
| 1099 | entry->timestamp = get_mac_time_usec(); |
---|
| 1100 | entry->curr_temp = wlan_platform_get_current_temp(); |
---|
| 1101 | entry->min_temp = wlan_platform_get_min_temp(); |
---|
| 1102 | entry->max_temp = wlan_platform_get_max_temp(); |
---|
| 1103 | |
---|
| 1104 | return WLAN_SUCCESS; |
---|
| 1105 | } |
---|
| 1106 | |
---|
| 1107 | return WLAN_FAILURE; |
---|
| 1108 | |
---|
| 1109 | |
---|
| 1110 | } |
---|
| 1111 | #endif //WLAN_SW_CONFIG_ENABLE_LOGGING |
---|