[6319] | 1 | /** @file wlan_exp_node_sta.c |
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| 2 | * @brief Station WLAN Experiment |
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| 3 | * |
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| 4 | * This contains code for the 802.11 Station's WLAN experiment interface. |
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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 | * This file is part of the Mango 802.11 Reference Design (https://mangocomm.com/802.11) |
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| 12 | */ |
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| 13 | |
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| 14 | |
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| 15 | /***************************** Include Files *********************************/ |
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| 16 | #include "wlan_mac_high_sw_config.h" |
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| 17 | |
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| 18 | #if WLAN_SW_CONFIG_ENABLE_WLAN_EXP |
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| 19 | |
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| 20 | #include "wlan_exp_common.h" |
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| 21 | #include "wlan_exp_node.h" |
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| 22 | #include "wlan_exp_node_ibss.h" |
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| 23 | #include "wlan_platform_high.h" |
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| 24 | |
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| 25 | // Xilinx includes |
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| 26 | #include <xparameters.h> |
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| 27 | #include <xil_io.h> |
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| 28 | |
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| 29 | // Library includes |
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| 30 | #include "string.h" |
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| 31 | #include "stdlib.h" |
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| 32 | |
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| 33 | // WLAN includes |
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| 34 | #include "wlan_mac_event_log.h" |
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| 35 | #include "wlan_mac_network_info.h" |
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| 36 | #include "wlan_mac_ltg.h" |
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| 37 | #include "wlan_mac_ibss.h" |
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| 38 | #include "wlan_mac_station_info.h" |
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| 39 | #include "wlan_mac_high.h" |
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| 40 | #include "wlan_mac_queue.h" |
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| 41 | #include "wlan_mac_common.h" |
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| 42 | |
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| 43 | /*************************** Constant Definitions ****************************/ |
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| 44 | |
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| 45 | |
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| 46 | /*********************** Global Variable Definitions *************************/ |
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| 47 | extern tx_params_t default_unicast_data_tx_params; |
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| 48 | extern network_info_t* active_network_info; |
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| 49 | extern u32 max_queue_size; |
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| 50 | |
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| 51 | extern function_ptr_t wlan_exp_purge_all_wireless_tx_queue_callback; |
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| 52 | |
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| 53 | |
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| 54 | /*************************** Variable Definitions ****************************/ |
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| 55 | |
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| 56 | |
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| 57 | /*************************** Functions Prototypes ****************************/ |
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| 58 | |
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| 59 | |
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| 60 | /******************************** Functions **********************************/ |
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| 61 | |
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| 62 | |
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| 63 | /*****************************************************************************/ |
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| 64 | /** |
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| 65 | * Process Node Commands |
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| 66 | * |
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| 67 | * This function is part of the Ethernet processing system and will process the |
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| 68 | * various node related commands. |
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| 69 | * |
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| 70 | * @return int - Status of the command: |
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| 71 | * NO_RESP_SENT - No response has been sent |
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| 72 | * RESP_SENT - A response has been sent |
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| 73 | * |
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| 74 | * @note See on-line documentation for more information about the Ethernet |
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| 75 | * packet structure: www.warpproject.org |
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| 76 | * |
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| 77 | *****************************************************************************/ |
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| 78 | int process_wlan_exp_app_cmd(cmd_resp_hdr_t* cmd_hdr, eth_tx_queue_buffer_t* eth_tx_queue_buffer) { |
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| 79 | |
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| 80 | // |
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| 81 | // IMPORTANT ENDIAN NOTES: |
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| 82 | // - command |
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| 83 | // - header - Already endian swapped by the framework (safe to access directly) |
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| 84 | // - args - Must be endian swapped as necessary by code (framework does not know the contents of the command) |
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| 85 | // - response |
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| 86 | // - header - Will be endian swapped by the framework (safe to write directly) |
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| 87 | // - args - Must be endian swapped as necessary by code (framework does not know the contents of the response) |
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| 88 | // |
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| 89 | // Standard variables |
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| 90 | u32 resp_sent = NO_RESP_SENT; |
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| 91 | |
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| 92 | u32 cmd_id = CMD_TO_CMDID(cmd_hdr->cmd); |
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| 93 | |
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| 94 | // Segment 0 length includes a fully formed command response header |
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| 95 | // because one was created with default values suitable for a responseless |
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| 96 | // acknowledgment. |
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| 97 | cmd_resp_hdr_t* resp_hdr = (cmd_resp_hdr_t*)(eth_tx_queue_buffer->seg0 |
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| 98 | + eth_tx_queue_buffer->seg0_len |
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| 99 | - sizeof(cmd_resp_hdr_t)); |
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| 100 | |
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| 101 | u32* cmd_args_32 = (u32*)((u8*)cmd_hdr + sizeof(cmd_resp_hdr_t)); |
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| 102 | |
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| 103 | switch(cmd_id){ |
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| 104 | |
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| 105 | //----------------------------------------------------------------------------- |
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| 106 | // WLAN Exp Node Commands that must be implemented in child classes |
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| 107 | //----------------------------------------------------------------------------- |
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| 108 | |
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| 109 | //--------------------------------------------------------------------- |
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| 110 | case CMDID_NODE_RESET_STATE: { |
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| 111 | // NODE_RESET_STATE Packet Format: |
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| 112 | // - cmd_args_32[0] - Flags |
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| 113 | // [0] - NODE_RESET_LOG |
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| 114 | // [1] - NODE_RESET_TXRX_COUNTS |
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| 115 | // [2] - NODE_RESET_LTG |
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| 116 | // [3] - NODE_RESET_TX_DATA_QUEUE |
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| 117 | // [4] - NODE_RESET_ASSOCIATIONS |
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| 118 | // [5] - NODE_RESET_BSS_INFO |
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| 119 | // |
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| 120 | interrupt_state_t prev_interrupt_state; |
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| 121 | u32 status = CMD_PARAM_SUCCESS; |
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| 122 | u32 flags = Xil_Ntohl(cmd_args_32[0]); |
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| 123 | |
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| 124 | // Disable interrupts so no packets interrupt the reset |
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| 125 | prev_interrupt_state = wlan_platform_intc_stop(); |
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| 126 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
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| 127 | // Configure the LOG based on the flag bits |
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| 128 | if (flags & CMD_PARAM_NODE_RESET_FLAG_LOG) { |
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| 129 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_event_log, "Reset log\n"); |
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| 130 | event_log_reset(); |
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| 131 | } |
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| 132 | #endif //WLAN_SW_CONFIG_ENABLE_LOGGING |
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| 133 | if (flags & CMD_PARAM_NODE_RESET_FLAG_TXRX_COUNTS) { |
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| 134 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_counts, "Reseting Counts\n"); |
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| 135 | #if WLAN_SW_CONFIG_ENABLE_TXRX_COUNTS |
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| 136 | txrx_counts_zero_all(); |
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| 137 | #endif |
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| 138 | } |
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| 139 | |
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| 140 | #if WLAN_SW_CONFIG_ENABLE_LTG |
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| 141 | if (flags & CMD_PARAM_NODE_RESET_FLAG_LTG) { |
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| 142 | status = ltg_sched_remove(LTG_REMOVE_ALL); |
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| 143 | |
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| 144 | if (status != 0) { |
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| 145 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Failed to remove all LTGs\n"); |
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| 146 | status = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
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| 147 | } else { |
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| 148 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_ltg, "Removing All LTGs\n"); |
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| 149 | } |
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| 150 | } |
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| 151 | #endif //WLAN_SW_CONFIG_ENABLE_LTG |
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| 152 | |
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| 153 | if (flags & CMD_PARAM_NODE_RESET_FLAG_TX_DATA_QUEUE) { |
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| 154 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_queue, "Purging all data transmit queues\n"); |
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| 155 | wlan_exp_purge_all_wireless_tx_queue_callback(); |
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| 156 | } |
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| 157 | |
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| 158 | if (flags & CMD_PARAM_NODE_RESET_FLAG_BSS) { |
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| 159 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Resetting BSS\n"); |
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| 160 | |
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| 161 | // Set "active_bss_info" to NULL |
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| 162 | configure_bss(NULL, 0); |
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| 163 | } |
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| 164 | |
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| 165 | if (flags & CMD_PARAM_NODE_RESET_FLAG_NETWORK_LIST) { |
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| 166 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Resetting Network List\n"); |
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| 167 | wlan_mac_high_reset_network_list(); |
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| 168 | } |
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| 169 | |
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| 170 | // Call MAC specific reset with the flags |
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| 171 | |
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| 172 | // Re-enable interrupts |
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| 173 | wlan_platform_intc_set_state(prev_interrupt_state); |
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| 174 | |
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| 175 | // Send response of success |
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| 176 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
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| 177 | } |
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| 178 | break; |
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| 179 | |
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| 180 | |
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| 181 | //----------------------------------------------------------------------------- |
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| 182 | // IBSS Specific Commands |
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| 183 | //----------------------------------------------------------------------------- |
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| 184 | |
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| 185 | |
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| 186 | //--------------------------------------------------------------------- |
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| 187 | default: { |
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| 188 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown node command: 0x%x\n", cmd_id); |
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| 189 | } |
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| 190 | break; |
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| 191 | } |
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| 192 | |
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| 193 | return resp_sent; |
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| 194 | } |
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| 195 | |
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| 196 | /*****************************************************************************/ |
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| 197 | /** |
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| 198 | * Used by wlan_exp_cmd_add_association_callback in wlan_exp_node.c |
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| 199 | * |
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| 200 | * @param mac_addr - Pointer to MAC address association that will be added |
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| 201 | * |
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| 202 | * @return None |
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| 203 | * |
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| 204 | *****************************************************************************/ |
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| 205 | void wlan_exp_ibss_tx_cmd_add_association(u8* mac_addr) { |
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| 206 | station_info_t* station_info = NULL; |
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| 207 | if (active_network_info != NULL) { |
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| 208 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Adding association for: "); |
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| 209 | wlan_exp_print_mac_address(WLAN_EXP_PRINT_INFO, mac_addr); wlan_exp_printf(WLAN_EXP_PRINT_INFO, NULL, "\n"); |
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| 210 | |
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| 211 | // Add station info |
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| 212 | // - Set ht_capable argument to the HT_CAPABLE capability of the BSS. Given that the node does not know |
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| 213 | // the HT capabilities of the new station, it is reasonable to assume that they are the same as the BSS. |
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| 214 | // |
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| 215 | station_info = network_info_add_member(active_network_info, mac_addr, max_queue_size); |
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| 216 | |
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| 217 | if(station_info){ |
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| 218 | if(active_network_info->bss_config.ht_capable){ |
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| 219 | station_info->capabilities |= STATION_INFO_CAPABILITIES_HT_CAPABLE; |
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| 220 | } else { |
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| 221 | station_info->capabilities &= ~STATION_INFO_CAPABILITIES_HT_CAPABLE; |
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| 222 | } |
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| 223 | } |
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| 224 | } |
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| 225 | } |
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| 226 | |
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| 227 | |
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| 228 | #endif |
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