[6319] | 1 | /** @file wlan_exp_node.c |
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| 2 | * @brief Experiment Framework (Node) |
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| 3 | * |
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| 4 | * This contains the code for WLAN Experiments Framework. This is both the entry point for commands processing |
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| 5 | * as well as one of the command groups. |
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| 6 | * |
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| 7 | * @copyright Copyright 2013-2019, Mango Communications. All rights reserved. |
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| 8 | * Distributed under the Mango Communications Reference Design License |
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| 9 | * See LICENSE.txt included in the design archive or |
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| 10 | * at http://mangocomm.com/802.11/license |
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| 11 | * |
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| 12 | * This file is part of the Mango 802.11 Reference Design (https://mangocomm.com/802.11) |
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| 13 | */ |
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| 14 | |
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| 15 | #include "wlan_mac_high_sw_config.h" |
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| 16 | |
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| 17 | #if WLAN_SW_CONFIG_ENABLE_WLAN_EXP |
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| 18 | |
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| 19 | // Xilinx / Standard library includes |
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| 20 | #include "xil_io.h" |
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| 21 | #include "stdlib.h" |
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| 22 | #include "stdio.h" |
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| 23 | #include "string.h" |
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| 24 | |
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| 25 | // WLAN includes |
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| 26 | #include "wlan_high_types.h" |
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| 27 | #include "wlan_mac_pkt_buf_util.h" |
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| 28 | #include "wlan_platform_common.h" |
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| 29 | #include "wlan_platform_high.h" |
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| 30 | #include "wlan_mac_event_log.h" |
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| 31 | #include "wlan_mac_entries.h" |
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| 32 | #include "wlan_mac_ltg.h" |
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| 33 | #include "wlan_mac_schedule.h" |
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| 34 | #include "wlan_mac_scan.h" |
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| 35 | #include "wlan_mac_network_info.h" |
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| 36 | #include "wlan_mac_station_info.h" |
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| 37 | #include "wlan_mac_eth_util.h" |
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| 38 | #include "wlan_mac_high.h" |
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| 39 | #include "wlan_mac_common.h" |
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| 40 | #include "wlan_mac_dl_list.h" |
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| 41 | #include "wlan_mac_queue.h" |
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| 42 | #include "wlan_platform_high.h" |
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| 43 | |
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| 44 | // WLAN Exp includes |
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| 45 | #include "wlan_exp.h" |
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| 46 | #include "wlan_exp_common.h" |
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| 47 | #include "wlan_exp_node.h" |
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| 48 | #include "wlan_exp_transport.h" |
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| 49 | #include "wlan_exp_user.h" |
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| 50 | #include "wlan_exp_ip_udp_socket.h" |
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| 51 | #include "wlan_exp_ip_udp_arp.h" |
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| 52 | |
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| 53 | // Declared in wlan_mac_high.c |
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| 54 | extern u8 low_param_rx_ant_mode; |
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| 55 | extern u8 low_param_channel; |
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| 56 | extern platform_common_dev_info_t platform_common_dev_info; |
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| 57 | extern platform_high_dev_info_t platform_high_dev_info; |
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| 58 | extern wlan_mac_hw_info_t wlan_mac_hw_info; |
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| 59 | |
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| 60 | // Local functions |
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| 61 | void _send_response(cmd_resp_hdr_t* resp_hdr, eth_tx_queue_buffer_t* eth_tx_queue_buffer, u8 fill_headers); |
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| 62 | void _prepare_response_for_send(cmd_resp_hdr_t* resp_hdr); |
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| 63 | int _process_node_cmd(cmd_resp_hdr_t* cmd_hdr, eth_tx_queue_buffer_t* eth_tx_queue_buffer); |
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| 64 | void _ltg_cleanup(u32 id, void* callback_arg); |
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| 65 | u32 _transfer_log_data( eth_tx_queue_buffer_t* first_eth_tx_queue_buffer, u32 start_index, u32 total_num_bytes ); |
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| 66 | u32 _send_list_response( eth_tx_queue_buffer_t* first_eth_tx_queue_buffer, dl_entry* start_entry, u32 num_entries, u32 offset_per_entry, u32 size_per_entry ); |
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| 67 | int _null_process_cmd_callback(u32 cmd_id, void* param); |
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| 68 | |
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| 69 | wlan_exp_node_info_t wlan_exp_node_info; |
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| 70 | |
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| 71 | static function_ptr_t wlan_exp_process_node_cmd_callback; |
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| 72 | function_ptr_t wlan_exp_purge_all_wireless_tx_queue_callback; |
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| 73 | function_ptr_t wlan_exp_process_user_cmd_callback; |
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| 74 | function_ptr_t wlan_exp_beacon_ts_update_mode_callback; |
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| 75 | function_ptr_t wlan_exp_process_config_bss_callback; |
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| 76 | function_ptr_t wlan_exp_active_network_info_getter_callback; |
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| 77 | |
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| 78 | /*****************************************************************************/ |
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| 79 | /** |
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| 80 | * @brief This initializes the node so it can communicate with a wlan_exp host. |
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| 81 | * |
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| 82 | * @return int - Status of the command: |
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| 83 | * WLAN_SUCCESS - Command completed successfully |
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| 84 | * WLAN_FAILURE - There was an error in the command |
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| 85 | * |
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| 86 | *****************************************************************************/ |
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| 87 | int wlan_exp_node_init() { |
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| 88 | |
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| 89 | int status = WLAN_SUCCESS; |
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| 90 | |
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| 91 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
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| 92 | u64 mac_timestamp; |
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| 93 | u64 system_timestamp; |
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| 94 | #endif |
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| 95 | |
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| 96 | xil_printf("------------------------\n"); |
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| 97 | xil_printf("Initializing wlan_exp v%d.%d.%d...\n", WLAN_EXP_VER_MAJOR, WLAN_EXP_VER_MINOR, WLAN_EXP_VER_REV); |
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| 98 | |
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| 99 | wlan_exp_reset_all_callbacks(); |
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| 100 | |
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| 101 | |
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| 102 | // ------------------------------------------ |
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| 103 | // Initialize Node information |
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| 104 | // Node ID / Network information must be set using dynamic node configuration process |
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| 105 | // Initial IP Address should be NODE_IP_ADDR_BASE for all nodes |
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| 106 | // |
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| 107 | wlan_exp_node_info.scheduler_interval = platform_high_dev_info.timer_dur_us; |
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| 108 | |
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| 109 | wlan_exp_node_info.node_id = 0xFFFF; |
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| 110 | wlan_exp_node_info.platform_id = wlan_mac_hw_info.platform_id; |
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| 111 | wlan_exp_node_info.platform_config = wlan_mac_hw_info.platform_config; |
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| 112 | wlan_exp_node_info.serial_number = wlan_mac_hw_info.serial_number; |
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| 113 | wlan_exp_node_info.wlan_exp_version = REQ_WLAN_EXP_HW_VER; |
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| 114 | |
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| 115 | memcpy(wlan_exp_node_info.wlan_mac_addr, wlan_mac_hw_info.hw_addr_wlan, MAC_ADDR_LEN); |
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| 116 | |
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| 117 | wlan_exp_node_info.wlan_exp_eth_mtu = wlan_platform_wlan_exp_eth_get_mtu(); |
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| 118 | |
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| 119 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
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| 120 | // ------------------------------------------ |
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| 121 | // By default, enable all subtype logging |
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| 122 | wlan_exp_log_set_entry_en_mask(ENTRY_EN_MASK_TXRX_CTRL | ENTRY_EN_MASK_TXRX_MPDU); |
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| 123 | |
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| 124 | |
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| 125 | // ------------------------------------------ |
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| 126 | // Reset the System Time ID |
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| 127 | wlan_exp_log_reset_system_time_id(); |
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| 128 | |
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| 129 | |
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| 130 | // ------------------------------------------ |
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| 131 | // Add a time info entry to the log to record the initial MAC time and system time |
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| 132 | mac_timestamp = get_mac_time_usec(); |
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| 133 | system_timestamp = get_system_time_usec(); |
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| 134 | |
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| 135 | add_time_info_entry(mac_timestamp, mac_timestamp, system_timestamp, TIME_INFO_ENTRY_TIME_RSVD_VAL_64, TIME_INFO_ENTRY_SYSTEM, 0, 0); |
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| 136 | #endif |
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| 137 | |
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| 138 | // ------------------------------------------ |
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| 139 | // Transport initialization |
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| 140 | // |
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| 141 | status = transport_init(); |
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| 142 | |
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| 143 | if (status == WLAN_FAILURE) { |
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| 144 | xil_printf(" Error in transport_init()! Exiting...\n"); |
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| 145 | return WLAN_FAILURE; |
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| 146 | } |
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| 147 | |
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| 148 | return status; |
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| 149 | } |
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| 150 | |
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| 151 | /*****************************************************************************/ |
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| 152 | /** |
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| 153 | * @brief Returns a pointer to the framework's wlan_exp_node_info_t struct |
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| 154 | * |
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| 155 | * @return wlan_exp_node_info_t* |
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| 156 | * |
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| 157 | *****************************************************************************/ |
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| 158 | wlan_exp_node_info_t* wlan_exp_get_node_info(){ |
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| 159 | return &wlan_exp_node_info; |
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| 160 | } |
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| 161 | |
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| 162 | /*****************************************************************************/ |
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| 163 | /** |
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| 164 | * @brief Adds a u32 argument to the provided response packet and updates the response |
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| 165 | * header to account for the new word. |
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| 166 | * |
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| 167 | * @param eth_tx_queue_buffer_t* eth_tx_queue_buffer - Pointer to the Ethernet queue buffer |
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| 168 | * that contains the respone |
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| 169 | * @param cmd_resp_hdr_t* resp_hdr - Pointer to the response header in the Ethernet queue |
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| 170 | * buffer's seg0 segment |
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| 171 | * @param u32 arg - argument to be added to response |
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| 172 | * @return None |
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| 173 | * |
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| 174 | *****************************************************************************/ |
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| 175 | void wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer_t* eth_tx_queue_buffer, cmd_resp_hdr_t* resp_hdr, u32 arg) { |
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| 176 | // Add the argument to the end of the response arguments array |
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| 177 | ((u32*)((u8*)resp_hdr + sizeof(cmd_resp_hdr_t)))[resp_hdr->num_u32_args] = Xil_Htonl(arg); |
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| 178 | |
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| 179 | // Update the response header to include the new argument |
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| 180 | resp_hdr->num_u32_args++; |
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| 181 | resp_hdr->length += sizeof(u32); |
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| 182 | |
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| 183 | // Update the response packet buffer length to include the new argument |
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| 184 | eth_tx_queue_buffer->seg0_len += sizeof(u32); |
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| 185 | |
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| 186 | return; |
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| 187 | } |
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| 188 | |
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| 189 | /**********************************************************************************************************************/ |
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| 190 | /** |
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| 191 | * @brief Process an Ethernet reception for wlan_exp |
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| 192 | * |
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| 193 | * This function deals with Ethernet receptions and has the following outcomes: |
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| 194 | * 1) It will enqueue the transmission of an ARP reply as a response to an ARP request |
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| 195 | * with this node's IP address |
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| 196 | * 2) It will enqueue the transmission of an ICMP (ping) reply as a response to an ICMP |
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| 197 | * echo request |
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| 198 | * 3) It will enqueue UDP packets that meet requirements of currently opened sockets |
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| 199 | * for future processing. |
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| 200 | * |
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| 201 | * The goal of this function is to be very lightweight as it may be called in an interrupt |
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| 202 | * context and we do not want to adversely affect performance of critical 802.11 functions. |
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| 203 | * Any wlan_exp UDP messages will be enqueued for later processing outside of any |
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| 204 | * interrupt contexts (regardless of whether the underlying Ethernet peripheral was polling |
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| 205 | * or interrupt-based) |
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| 206 | * |
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| 207 | * @return 1 if claiming packet, 0 otherwise. |
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| 208 | * |
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| 209 | **********************************************************************************************************************/ |
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| 210 | int wlan_exp_process_eth_rx(eth_rx_queue_buffer_t* eth_rx_queue_buffer){ |
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| 211 | |
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| 212 | eth_tx_queue_buffer_t* eth_tx_queue_buffer; |
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| 213 | dl_entry* eth_tx_queue_entry; |
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| 214 | ethernet_header_t* eth_hdr; |
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| 215 | |
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| 216 | u8 node_addr_match; |
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| 217 | u8 mcast_addr_match; |
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| 218 | u8 hw_addr[ETH_ADDR_LEN]; |
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| 219 | int rx_length = -1; |
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| 220 | |
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| 221 | eth_tx_queue_entry = queue_checkout(); // Check out space for a Tx response (if needed) |
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| 222 | |
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| 223 | if (eth_tx_queue_entry == NULL){ |
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| 224 | // We were not able to check out a queue buffer for a response, so we'll report to |
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| 225 | // the calling context that we did not want this reception so it can be freed |
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| 226 | return 0; |
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| 227 | } |
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| 228 | eth_tx_queue_buffer = (eth_tx_queue_buffer_t*)(eth_tx_queue_entry->data); |
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| 229 | |
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| 230 | // Set segment lengths to zero. If these fields are non-zero, we will use that |
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| 231 | // as an indicator that the IP/UDP library wants to send something. |
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| 232 | eth_tx_queue_buffer->seg0_len = 0; |
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| 233 | eth_tx_queue_buffer->seg1_len = 0; |
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| 234 | |
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| 235 | eth_hdr = (ethernet_header_t*)eth_rx_queue_buffer->pkt; |
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| 236 | |
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| 237 | eth_get_hw_addr(hw_addr); |
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| 238 | |
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| 239 | node_addr_match = wlan_addr_eq(eth_hdr->dest_mac_addr, hw_addr); |
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| 240 | mcast_addr_match = wlan_addr_mcast(eth_hdr->dest_mac_addr); |
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| 241 | |
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| 242 | // Process the packet based on the EtherType |
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| 243 | if (node_addr_match | mcast_addr_match) { |
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| 244 | switch (Xil_Ntohs(eth_hdr->ethertype)) { |
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| 245 | // ARP packet |
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| 246 | case ETHERTYPE_ARP: |
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| 247 | rx_length = arp_process_packet(eth_rx_queue_buffer, eth_tx_queue_buffer); |
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| 248 | break; |
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| 249 | |
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| 250 | // IP packet |
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| 251 | case ETHERTYPE_IP_V4: |
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| 252 | rx_length = ipv4_process_packet(eth_rx_queue_buffer, eth_tx_queue_buffer); |
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| 253 | break; |
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| 254 | } |
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| 255 | } |
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| 256 | |
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| 257 | if((eth_tx_queue_buffer->seg0_len + eth_tx_queue_buffer->seg1_len) > 0 ){ |
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| 258 | // If IP/UDP processing generated a response and filled in eth_tx_queue_buffer, |
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| 259 | // submit it to the transport for future processing. |
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| 260 | wlan_exp_append_tx(eth_tx_queue_entry); |
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| 261 | } else { |
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| 262 | // No response was needed. Return this queue buffer to the free pool. |
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| 263 | queue_checkin(eth_tx_queue_entry); |
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| 264 | } |
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| 265 | |
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| 266 | if (rx_length > 0){ |
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| 267 | // This Ethernet frame passed a check against open sockets, so we will claim it |
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| 268 | // and enqueue it for further processing from the wlan_exp transport. |
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| 269 | |
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| 270 | // Add the queue entry to the list of packets to be processed by wlan_exp |
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| 271 | wlan_exp_append_rx(eth_rx_queue_buffer->pyld_queue_hdr.dle); |
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| 272 | |
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| 273 | return 1; |
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| 274 | } else { |
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| 275 | return 0; // Calling context responsible for garbage collection since this frame may be consumed by |
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| 276 | // another module in the framework. |
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| 277 | } |
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| 278 | |
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| 279 | } |
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| 280 | |
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| 281 | /*****************************************************************************/ |
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| 282 | /** |
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| 283 | * @brief Set CPU_HIGH Type |
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| 284 | * |
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| 285 | * This function sets the CPU_HIGH type bits in the node_info.node_type field. |
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| 286 | * |
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| 287 | * @param application_role_t - CPU_HIGH application role |
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| 288 | * @param char* date - string of date that CPU_HIGH was compiled |
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| 289 | * @param char* time - string of time that CPU_HIWH was compiled |
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| 290 | * |
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| 291 | ******************************************************************************/ |
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| 292 | void wlan_exp_node_set_type_high(application_role_t application_role, char* date, char* time){ |
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| 293 | u32 sw_id = 0; |
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| 294 | |
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| 295 | switch(application_role){ |
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| 296 | case APPLICATION_ROLE_AP: |
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| 297 | sw_id = WLAN_EXP_HIGH_SW_ID_AP; |
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| 298 | break; |
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| 299 | case APPLICATION_ROLE_STA: |
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| 300 | sw_id = WLAN_EXP_HIGH_SW_ID_STA; |
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| 301 | break; |
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| 302 | case APPLICATION_ROLE_IBSS: |
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| 303 | sw_id = WLAN_EXP_HIGH_SW_ID_IBSS; |
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| 304 | break; |
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| 305 | case APPLICATION_ROLE_UNKNOWN: |
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| 306 | sw_id = 0; |
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| 307 | break; |
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| 308 | } |
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| 309 | |
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| 310 | strncpy(wlan_exp_node_info.high_compilation_date, date, 12); |
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| 311 | strncpy(wlan_exp_node_info.high_compilation_time, time, 9); |
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| 312 | |
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| 313 | wlan_exp_node_info.high_sw_id = sw_id; |
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| 314 | wlan_exp_node_info.high_sw_config = 0; |
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| 315 | |
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| 316 | } |
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| 317 | |
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| 318 | /*****************************************************************************/ |
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| 319 | /** |
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| 320 | * @brief Set CPU_LOW Type |
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| 321 | * |
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| 322 | * This function sets the CPU_LOW type bits in the node_info.node_type field. |
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| 323 | * The MAC High Framework will call this function after receiving an IPC message |
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| 324 | * from CPU_LOW indicating its wlan_exp type. |
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| 325 | * |
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| 326 | * @param type_low - CPU_LOW Type from wlan_exp.h |
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| 327 | * @param char* date - string of date that CPU_HIGH was compiled |
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| 328 | * @param char* time - string of time that CPU_HIWH was compiled |
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| 329 | * |
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| 330 | ******************************************************************************/ |
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| 331 | void wlan_exp_node_set_type_low(u32 sw_id, char* date, char* time){ |
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| 332 | |
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| 333 | strncpy(wlan_exp_node_info.low_compilation_date, date, 12); |
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| 334 | strncpy(wlan_exp_node_info.low_compilation_time, time, 9); |
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| 335 | |
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| 336 | wlan_exp_node_info.low_sw_id = sw_id; |
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| 337 | wlan_exp_node_info.low_sw_config = 0; |
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| 338 | } |
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| 339 | |
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| 340 | /*****************************************************************************/ |
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| 341 | /** |
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| 342 | * @brief Null Process Command Callback |
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| 343 | * |
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| 344 | * This function is part of the callback system for processing WLAN Exp commands. If |
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| 345 | * there are no additional node commands, then this will return an appropriate value. |
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| 346 | * |
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| 347 | * To processes additional node commands, please set the process_node_cmd_callback |
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| 348 | * |
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| 349 | * @param cmd_id - Command ID from node_process_cmd |
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| 350 | * @param param - Generic parameters for the callback |
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| 351 | * |
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| 352 | * @return int - Status of the command: |
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| 353 | * NO_RESP_SENT - No response has been sent |
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| 354 | * |
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| 355 | ******************************************************************************/ |
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| 356 | int _null_process_cmd_callback(u32 cmd_id, void* param){ |
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| 357 | |
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| 358 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown node command: %d\n", cmd_id); |
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| 359 | |
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| 360 | return NO_RESP_SENT; |
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| 361 | }; |
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| 362 | |
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| 363 | |
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| 364 | |
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| 365 | /*****************************************************************************/ |
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| 366 | /** |
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| 367 | * @brief Node Transport Processing (Host to Node) |
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| 368 | * |
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| 369 | * This function is called by the transport to deal with any wlan_exp commands |
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| 370 | * that are addressed to this node. It must return whether or not it has sent |
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| 371 | * a response packet so the transport knows whether or not it must acknowledge |
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| 372 | * the command. |
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| 373 | * |
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| 374 | * @param wlan_exp_eth_rx_queue_buffer - Ethernet queue buffer that contains command |
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| 375 | * @param wlan_exp_eth_tx_queue_buffer - Ethernet queue buffer for response that should be filled in |
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| 376 | * |
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| 377 | * @return RESP_SENT or NO_RESP_SENT |
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| 378 | * |
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| 379 | *****************************************************************************/ |
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| 380 | int process_msg_from_host(wlan_exp_eth_rx_queue_buffer_t* wlan_exp_eth_rx_queue_buffer, eth_tx_queue_buffer_t* eth_tx_queue_buffer) { |
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| 381 | |
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| 382 | u8 cmd_group; |
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| 383 | int resp_sent = NO_RESP_SENT; |
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| 384 | |
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| 385 | cmd_resp_hdr_t* cmd_hdr = NULL; |
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| 386 | cmd_resp_hdr_t* resp_hdr = NULL; |
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| 387 | |
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| 388 | // Initialize the Command/Response pointers |
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| 389 | cmd_hdr = (cmd_resp_hdr_t*)(wlan_exp_eth_rx_queue_buffer->pkt + |
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| 390 | sizeof(ethernet_header_t) + |
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| 391 | sizeof(ipv4_header_t) + |
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| 392 | sizeof(udp_header_t) + |
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| 393 | sizeof(wlan_exp_transport_header)); |
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| 394 | |
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| 395 | resp_hdr = (cmd_resp_hdr_t*)(eth_tx_queue_buffer->seg0 + eth_tx_queue_buffer->seg0_len); |
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| 396 | |
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| 397 | // Endian swap the command header so future processing can understand it |
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| 398 | cmd_hdr->cmd = Xil_Ntohl(cmd_hdr->cmd); |
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| 399 | |
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| 400 | // Length field might be longer than what is actually in the packet |
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| 401 | // depending on the maximum packet sizes supported by the host, the node, and the Ethernet network |
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| 402 | // We will sanitize these values to the smaller of their set values or the largest |
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| 403 | // values they can be given the total length of the received Ethernet frame. |
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| 404 | cmd_hdr->length = WLAN_MIN ( Xil_Ntohs(cmd_hdr->length), |
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| 405 | wlan_exp_eth_rx_queue_buffer->length |
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| 406 | - sizeof(ethernet_header_t) |
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| 407 | - sizeof(ipv4_header_t) |
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| 408 | - sizeof(udp_header_t) |
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| 409 | - sizeof(cmd_resp_hdr_t) ); |
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| 410 | |
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| 411 | cmd_hdr->num_u32_args = Xil_Ntohs(cmd_hdr->num_u32_args); |
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| 412 | |
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| 413 | // Set up the minimum required response header needed to form an acknowledgment |
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| 414 | resp_hdr->cmd = cmd_hdr->cmd; |
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| 415 | resp_hdr->length = 0; |
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| 416 | resp_hdr->num_u32_args = 0; |
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| 417 | |
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| 418 | eth_tx_queue_buffer->seg0_len += sizeof(cmd_resp_hdr_t); |
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| 419 | |
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| 420 | // Send command to appropriate processing sub-system |
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| 421 | cmd_group = CMD_TO_GROUP(cmd_hdr->cmd); |
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| 422 | |
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| 423 | switch(cmd_group){ |
---|
| 424 | case GROUP_NODE: |
---|
| 425 | resp_sent = _process_node_cmd(cmd_hdr, eth_tx_queue_buffer); |
---|
| 426 | break; |
---|
| 427 | case GROUP_TRANSPORT: |
---|
| 428 | resp_sent = process_transport_cmd(cmd_hdr, eth_tx_queue_buffer); |
---|
| 429 | break; |
---|
| 430 | case GROUP_USER: |
---|
| 431 | resp_sent = process_user_cmd(cmd_hdr, eth_tx_queue_buffer); |
---|
| 432 | break; |
---|
| 433 | default: |
---|
| 434 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown command group: %d\n", cmd_group); |
---|
| 435 | break; |
---|
| 436 | } |
---|
| 437 | |
---|
| 438 | // Adjust the length of the response to include the response data from the sub-system and the |
---|
| 439 | // response header |
---|
| 440 | // |
---|
| 441 | if(resp_sent == NO_RESP_SENT && resp_hdr) { |
---|
| 442 | _prepare_response_for_send(resp_hdr); |
---|
| 443 | } |
---|
| 444 | |
---|
| 445 | // Return the status |
---|
| 446 | return resp_sent; |
---|
| 447 | } |
---|
| 448 | |
---|
| 449 | |
---|
| 450 | |
---|
| 451 | /*****************************************************************************/ |
---|
| 452 | /** |
---|
| 453 | * @brief Node Send Early Response |
---|
| 454 | * |
---|
| 455 | * Allows a node to send a response back to the host. Calling context is responsible |
---|
| 456 | * for informing the transport it has sent a response so the transport can skip |
---|
| 457 | * sending an acknowledgment. |
---|
| 458 | * |
---|
| 459 | * @param resp_hdr - Pointer to Command / Response header for outgoing message |
---|
| 460 | * @param eth_tx_queue_buffer - Pointer to packet queue buffer containing message |
---|
| 461 | * @param fill_headers - 1 indicates that Eth/IP/UDP headers should be filled in, 0 otherwise |
---|
| 462 | * |
---|
| 463 | * @return None |
---|
| 464 | * |
---|
| 465 | * |
---|
| 466 | *****************************************************************************/ |
---|
| 467 | void _send_response(cmd_resp_hdr_t* resp_hdr, eth_tx_queue_buffer_t* eth_tx_queue_buffer, u8 fill_headers) { |
---|
| 468 | |
---|
| 469 | _prepare_response_for_send(resp_hdr); |
---|
| 470 | if( fill_headers) wlan_exp_transport_fill_headers_response(eth_tx_queue_buffer); |
---|
| 471 | wlan_exp_transport_send(eth_tx_queue_buffer); |
---|
| 472 | } |
---|
| 473 | |
---|
| 474 | /*****************************************************************************/ |
---|
| 475 | /** |
---|
| 476 | * @brief Prepare response header |
---|
| 477 | * |
---|
| 478 | * This function is responsible for endian swapping the contents of cmd_resp_hdr_t |
---|
| 479 | * in the outgoing frame before passing the frame off to the transport for |
---|
| 480 | * transmission. |
---|
| 481 | * |
---|
| 482 | * @param resp_hdr - Pointer to Command / Response header for outgoing message |
---|
| 483 | * |
---|
| 484 | * @return None |
---|
| 485 | * |
---|
| 486 | * |
---|
| 487 | *****************************************************************************/ |
---|
| 488 | void _prepare_response_for_send(cmd_resp_hdr_t* resp_hdr){ |
---|
| 489 | resp_hdr->cmd = Xil_Ntohl(resp_hdr->cmd); |
---|
| 490 | resp_hdr->length = Xil_Ntohs(resp_hdr->length); |
---|
| 491 | resp_hdr->num_u32_args = Xil_Ntohs(resp_hdr->num_u32_args); |
---|
| 492 | } |
---|
| 493 | |
---|
| 494 | |
---|
| 495 | /*****************************************************************************/ |
---|
| 496 | /** |
---|
| 497 | * @brief Process Node Commands |
---|
| 498 | * |
---|
| 499 | * Process commands from a host meant for the node group |
---|
| 500 | * |
---|
| 501 | * @param cmd_hdr - pointer to the command header |
---|
| 502 | * @param eth_tx_queue_buffer - pointer to a Ethernet queue buffer that should be |
---|
| 503 | * filled in with response arguments |
---|
| 504 | * |
---|
| 505 | * @return int - NO_RESP_SENT or RESP_SENT |
---|
| 506 | * |
---|
| 507 | *****************************************************************************/ |
---|
| 508 | int _process_node_cmd(cmd_resp_hdr_t* cmd_hdr, eth_tx_queue_buffer_t* eth_tx_queue_buffer) { |
---|
| 509 | |
---|
| 510 | // |
---|
| 511 | // IMPORTANT ENDIAN NOTES: |
---|
| 512 | // - command |
---|
| 513 | // - header - Already endian swapped by the framework (safe to access directly) |
---|
| 514 | // - args - Must be endian swapped as necessary by code (framework does not know the contents of the command) |
---|
| 515 | // - response |
---|
| 516 | // - header - Will be endian swapped by the framework (safe to write directly) |
---|
| 517 | // - args - Must be endian swapped as necessary by code (framework does not know the contents of the response) |
---|
| 518 | // |
---|
| 519 | |
---|
| 520 | int resp_sent = NO_RESP_SENT; |
---|
| 521 | cmd_resp_hdr_t* resp_hdr = NULL; |
---|
| 522 | |
---|
| 523 | u32 cmd_id = CMD_TO_CMDID(cmd_hdr->cmd); |
---|
| 524 | |
---|
| 525 | // Segment 0 length includes a fully formed command response header |
---|
| 526 | // because one was created with default values suitable for a responseless |
---|
| 527 | // acknowledgment. |
---|
| 528 | resp_hdr = (cmd_resp_hdr_t*)(eth_tx_queue_buffer->seg0 |
---|
| 529 | + eth_tx_queue_buffer->seg0_len |
---|
| 530 | - sizeof(cmd_resp_hdr_t)); |
---|
| 531 | |
---|
| 532 | // We explicitly zero response header fields here so commands that don't need |
---|
| 533 | // any u32 argument responses do not have have to touch the header |
---|
| 534 | // resp_hdr->cmd_id has already been set in the calling context, copied from the received command |
---|
| 535 | resp_hdr->length = 0; |
---|
| 536 | resp_hdr->num_u32_args = 0; |
---|
| 537 | |
---|
| 538 | u32* cmd_args_32 = (u32*)((u8*)cmd_hdr + sizeof(cmd_resp_hdr_t)); |
---|
| 539 | |
---|
| 540 | // Process the command |
---|
| 541 | switch(cmd_id){ |
---|
| 542 | |
---|
| 543 | //----------------------------------------------------------------------------- |
---|
| 544 | // General Commands |
---|
| 545 | //----------------------------------------------------------------------------- |
---|
| 546 | |
---|
| 547 | //--------------------------------------------------------------------- |
---|
| 548 | case CMDID_NODE_TYPE: { |
---|
| 549 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, wlan_mac_hw_info.platform_id); |
---|
| 550 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, wlan_exp_node_info.high_sw_id); |
---|
| 551 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, wlan_exp_node_info.low_sw_id); |
---|
| 552 | } |
---|
| 553 | break; |
---|
| 554 | |
---|
| 555 | |
---|
| 556 | //--------------------------------------------------------------------- |
---|
| 557 | case CMDID_NODE_INFO: { |
---|
| 558 | int platform_info_size; |
---|
| 559 | u32 resp_size; |
---|
| 560 | u8* dest_ptr; |
---|
| 561 | |
---|
| 562 | dest_ptr = eth_tx_queue_buffer->seg0 + eth_tx_queue_buffer->seg0_len; |
---|
| 563 | |
---|
| 564 | // First, copy the platform-independent wlan_exp_node_info struct into the response packet |
---|
| 565 | memcpy(dest_ptr, &wlan_exp_node_info, sizeof(wlan_exp_node_info_t)); |
---|
| 566 | dest_ptr += sizeof(wlan_exp_node_info_t); |
---|
| 567 | |
---|
| 568 | // Second, ask the platform to copy in its platform-specific info struct into the response packet |
---|
| 569 | platform_info_size = wlan_platform_high_copy_info(dest_ptr); |
---|
| 570 | |
---|
| 571 | // Finalize response |
---|
| 572 | resp_size = sizeof(wlan_exp_node_info_t) + platform_info_size; |
---|
| 573 | resp_hdr->length += resp_size; |
---|
| 574 | eth_tx_queue_buffer->seg0_len += resp_size; |
---|
| 575 | } |
---|
| 576 | break; |
---|
| 577 | |
---|
| 578 | |
---|
| 579 | //--------------------------------------------------------------------- |
---|
| 580 | case CMDID_NODE_IDENTIFY: { |
---|
| 581 | // Blink the HEX display LEDs |
---|
| 582 | // - cmd_args_32[0] - Platform ID |
---|
| 583 | // - cmd_args_32[1] - Serial Number |
---|
| 584 | u32 platform_id; |
---|
| 585 | u32 serial_number; |
---|
| 586 | |
---|
| 587 | // Get command parameters |
---|
| 588 | platform_id = Xil_Ntohl(cmd_args_32[0]); |
---|
| 589 | serial_number = Xil_Ntohl(cmd_args_32[1]); |
---|
| 590 | |
---|
| 591 | xil_printf("NODE IDENTIFY: \n"); |
---|
| 592 | |
---|
| 593 | if( ((serial_number == CMD_PARAM_NODE_IDENTIFY_ALL) || (serial_number == wlan_mac_hw_info.serial_number)) && |
---|
| 594 | ((platform_id == CMD_PARAM_NODE_IDENTIFY_ALL) || (platform_id == wlan_mac_hw_info.platform_id)) ){ |
---|
| 595 | |
---|
| 596 | // Print Node information |
---|
| 597 | xil_printf(" Node: %d\n", wlan_exp_node_info.node_id); |
---|
| 598 | |
---|
| 599 | // Send the response early so that code does not time out while waiting for blinks |
---|
| 600 | // The host is responsible for waiting until the LED blinking is done before issuing the |
---|
| 601 | // node another command. |
---|
| 602 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, CMD_PARAM_SUCCESS); |
---|
| 603 | |
---|
| 604 | if(serial_number != CMD_PARAM_NODE_IDENTIFY_ALL){ |
---|
| 605 | _send_response(resp_hdr, eth_tx_queue_buffer, 1); |
---|
| 606 | resp_sent = RESP_SENT; |
---|
| 607 | } |
---|
| 608 | |
---|
| 609 | wlan_platform_high_userio_disp_status(USERIO_DISP_STATUS_IDENTIFY, 0); |
---|
| 610 | |
---|
| 611 | } else { |
---|
| 612 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, CMD_PARAM_ERROR); |
---|
| 613 | } |
---|
| 614 | } |
---|
| 615 | break; |
---|
| 616 | |
---|
| 617 | |
---|
| 618 | //--------------------------------------------------------------------- |
---|
| 619 | case CMDID_NODE_CONFIG_SETUP: { |
---|
| 620 | // NODE_CONFIG_SETUP Packet Format: |
---|
| 621 | // - Note: All u32 parameters in cmd_args_32 are byte swapped so use Xil_Ntohl() |
---|
| 622 | // |
---|
| 623 | // - cmd_args_32[0] - Platform ID |
---|
| 624 | // - cmd_args_32[1] - Serial Number |
---|
| 625 | // - cmd_args_32[2] - Node ID |
---|
| 626 | // - cmd_args_32[3] - IP Address |
---|
| 627 | // - cmd_args_32[4] - Unicast Port |
---|
| 628 | // - cmd_args_32[5] - Broadcast Port |
---|
| 629 | // |
---|
| 630 | int status; |
---|
| 631 | u32 node_id; |
---|
| 632 | int unicast_port, broadcast_port; |
---|
| 633 | u8 ip_addr[IP_ADDR_LEN]; |
---|
| 634 | |
---|
| 635 | u32 serial_number; |
---|
| 636 | u32 platform_id; |
---|
| 637 | |
---|
| 638 | platform_id = Xil_Ntohl(cmd_args_32[0]); |
---|
| 639 | serial_number = Xil_Ntohl(cmd_args_32[1]); |
---|
| 640 | |
---|
| 641 | if( (serial_number == wlan_mac_hw_info.serial_number) && |
---|
| 642 | (platform_id == wlan_mac_hw_info.platform_id) ){ |
---|
| 643 | |
---|
| 644 | // Set Node ID |
---|
| 645 | // NOTE: We need to set the node ID in both the node info and the eth_dev_info |
---|
| 646 | // |
---|
| 647 | node_id = Xil_Ntohl(cmd_args_32[2]) & 0xFFFF; |
---|
| 648 | wlan_exp_node_info.node_id = node_id; |
---|
| 649 | |
---|
| 650 | // Get New IP Address |
---|
| 651 | ip_addr[0] = (Xil_Ntohl(cmd_args_32[3]) >> 24) & 0xFF; |
---|
| 652 | ip_addr[1] = (Xil_Ntohl(cmd_args_32[3]) >> 16) & 0xFF; |
---|
| 653 | ip_addr[2] = (Xil_Ntohl(cmd_args_32[3]) >> 8) & 0xFF; |
---|
| 654 | ip_addr[3] = (Xil_Ntohl(cmd_args_32[3]) ) & 0xFF; |
---|
| 655 | |
---|
| 656 | // Get new ports |
---|
| 657 | unicast_port = Xil_Ntohl(cmd_args_32[4]); |
---|
| 658 | broadcast_port = Xil_Ntohl(cmd_args_32[5]); |
---|
| 659 | |
---|
| 660 | // Set Transport IP Addresses / Ports |
---|
| 661 | transport_set_ip_addr(ip_addr); |
---|
| 662 | |
---|
| 663 | status = transport_config_sockets(unicast_port, broadcast_port); |
---|
| 664 | |
---|
| 665 | if(status != 0) { |
---|
| 666 | xil_printf("Error binding transport...\n"); |
---|
| 667 | } else { |
---|
| 668 | // Print new configuration information |
---|
| 669 | xil_printf("NODE_CONFIG_SETUP: Configured wlan_exp with node ID %d, ", wlan_exp_node_info.node_id); |
---|
| 670 | xil_printf("IP address %d.%d.%d.%d\n", ip_addr[0], ip_addr[1], ip_addr[2], ip_addr[3]); |
---|
| 671 | |
---|
| 672 | // Set right decimal point to indicate WLAN Exp network is configured |
---|
| 673 | wlan_platform_high_userio_disp_status(USERIO_DISP_STATUS_WLAN_EXP_CONFIGURE, 1); |
---|
| 674 | } |
---|
| 675 | } |
---|
| 676 | } |
---|
| 677 | break; |
---|
| 678 | |
---|
| 679 | //--------------------------------------------------------------------- |
---|
| 680 | case CMDID_NODE_CONFIG_RESET: { |
---|
| 681 | // NODE_CONFIG_RESET Packet Format: |
---|
| 682 | // - Note: All u32 parameters in cmd_args_32 are byte swapped so use Xil_Ntohl() |
---|
| 683 | // |
---|
| 684 | // - cmd_args_32[i] - Platform ID |
---|
| 685 | // - cmd_args_32[1] - Serial Number |
---|
| 686 | // |
---|
| 687 | // This command is always handed as non-robust - the node never sends a response packet, since the whole |
---|
| 688 | // purpose of this command is to reset the node's network configuration. Python only sends this command |
---|
| 689 | // via the (inherently non-robust) multicast transport |
---|
| 690 | |
---|
| 691 | u32 platform_id; |
---|
| 692 | u32 serial_number; |
---|
| 693 | u8 ip_addr[IP_ADDR_LEN]; |
---|
| 694 | |
---|
| 695 | platform_id = Xil_Ntohl(cmd_args_32[0]); |
---|
| 696 | serial_number = Xil_Ntohl(cmd_args_32[1]); |
---|
| 697 | |
---|
| 698 | if( ((serial_number == CMD_PARAM_NODE_CONFIG_RESET_ALL) || (serial_number == wlan_mac_hw_info.serial_number)) && |
---|
| 699 | ((platform_id == CMD_PARAM_NODE_CONFIG_RESET_ALL) || (platform_id == wlan_mac_hw_info.platform_id)) ){ |
---|
| 700 | |
---|
| 701 | // Reset node to 0xFFFF |
---|
| 702 | // NOTE: We need to set the node ID in both the node info and the eth_dev_info |
---|
| 703 | // |
---|
| 704 | wlan_exp_node_info.node_id = 0xFFFF; |
---|
| 705 | |
---|
| 706 | ip_addr[0] = (WLAN_EXP_DEFAULT_IP_ADDR >> 24) & 0xFF; |
---|
| 707 | ip_addr[1] = (WLAN_EXP_DEFAULT_IP_ADDR >> 16) & 0xFF; |
---|
| 708 | ip_addr[2] = (WLAN_EXP_DEFAULT_IP_ADDR >> 8) & 0xFF; |
---|
| 709 | ip_addr[3] = (WLAN_EXP_DEFAULT_IP_ADDR ) & 0xFF; // IP ADDR = w.x.y.z |
---|
| 710 | |
---|
| 711 | transport_set_ip_addr(ip_addr); |
---|
| 712 | transport_config_sockets(WLAN_EXP_DEFAULT_UDP_UNICAST_PORT, WLAN_EXP_DEFAULT_UDP_MULTICAST_PORT); |
---|
| 713 | transport_set_max_resp_pkt_words(WLAN_EXP_DEFAULT_MAX_PACKET_WORDS); |
---|
| 714 | |
---|
| 715 | // Print information |
---|
| 716 | xil_printf("NODE_CONFIG_RESET: Reset wlan_exp network config\n"); |
---|
| 717 | |
---|
| 718 | // Clear right decimal point to indicate WLAN Exp network is not configured |
---|
| 719 | wlan_platform_high_userio_disp_status(USERIO_DISP_STATUS_WLAN_EXP_CONFIGURE, 0); |
---|
| 720 | |
---|
| 721 | } |
---|
| 722 | } |
---|
| 723 | break; |
---|
| 724 | |
---|
| 725 | |
---|
| 726 | //--------------------------------------------------------------------- |
---|
| 727 | case CMDID_NODE_TEMPERATURE: { |
---|
| 728 | |
---|
| 729 | // NODE_TEMPERATURE |
---|
| 730 | // - If the system monitor exists, return the current, min and max temperature of the node |
---|
| 731 | // |
---|
| 732 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, wlan_platform_get_current_temp()); |
---|
| 733 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, wlan_platform_get_min_temp()); |
---|
| 734 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, wlan_platform_get_max_temp()); |
---|
| 735 | } |
---|
| 736 | break; |
---|
| 737 | |
---|
| 738 | |
---|
| 739 | //----------------------------------------------------------------------------- |
---|
| 740 | // Log Commands |
---|
| 741 | //----------------------------------------------------------------------------- |
---|
| 742 | |
---|
| 743 | |
---|
| 744 | //--------------------------------------------------------------------- |
---|
| 745 | case CMDID_LOG_CONFIG: { |
---|
| 746 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 747 | // NODE_LOG_CONFIG Packet Format: |
---|
| 748 | // - cmd_args_32[0] - flags |
---|
| 749 | // [ 0] - Logging Enabled = 1; Logging Disabled = 0; |
---|
| 750 | // [ 1] - Wrap = 1; No Wrap = 0; |
---|
| 751 | // [ 2] - Full Payloads Enabled = 1; Full Payloads Disabled = 0; |
---|
| 752 | // [ 3] - Log WN Cmds Enabled = 1; Log WN Cmds Disabled = 0; |
---|
| 753 | // - cmd_args_32[1] - mask for flags |
---|
| 754 | // |
---|
| 755 | // - resp_args_32[0] - CMD_PARAM_SUCCESS |
---|
| 756 | // - CMD_PARAM_ERROR |
---|
| 757 | // |
---|
| 758 | int status = CMD_PARAM_SUCCESS; |
---|
| 759 | u8 entry_mask = wlan_exp_log_get_entry_en_mask(); |
---|
| 760 | u32 flags = Xil_Ntohl(cmd_args_32[0]); |
---|
| 761 | u32 mask = Xil_Ntohl(cmd_args_32[1]); |
---|
| 762 | |
---|
| 763 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_event_log, "Configure flags = 0x%08x mask = 0x%08x\n", flags, mask); |
---|
| 764 | |
---|
| 765 | // Configure the LOG based on the flag bit / mask |
---|
| 766 | if (mask & CMD_PARAM_LOG_CONFIG_FLAG_LOGGING) { |
---|
| 767 | if (flags & CMD_PARAM_LOG_CONFIG_FLAG_LOGGING) { |
---|
| 768 | event_log_config_logging(EVENT_LOG_LOGGING_ENABLE); |
---|
| 769 | } else { |
---|
| 770 | event_log_config_logging(EVENT_LOG_LOGGING_DISABLE); |
---|
| 771 | } |
---|
| 772 | } |
---|
| 773 | |
---|
| 774 | if (mask & CMD_PARAM_LOG_CONFIG_FLAG_WRAP) { |
---|
| 775 | if (flags & CMD_PARAM_LOG_CONFIG_FLAG_WRAP) { |
---|
| 776 | event_log_config_wrap(EVENT_LOG_WRAP_ENABLE); |
---|
| 777 | } else { |
---|
| 778 | event_log_config_wrap(EVENT_LOG_WRAP_DISABLE); |
---|
| 779 | } |
---|
| 780 | } |
---|
| 781 | |
---|
| 782 | if (mask & CMD_PARAM_LOG_CONFIG_FLAG_PAYLOADS) { |
---|
| 783 | if (flags & CMD_PARAM_LOG_CONFIG_FLAG_PAYLOADS) { |
---|
| 784 | wlan_exp_log_set_mac_payload_len(MAX_MAC_PAYLOAD_LOG_LEN); |
---|
| 785 | } else { |
---|
| 786 | wlan_exp_log_set_mac_payload_len(MIN_MAC_PAYLOAD_LOG_LEN); |
---|
| 787 | } |
---|
| 788 | } |
---|
| 789 | |
---|
| 790 | if (mask & CMD_PARAM_LOG_CONFIG_FLAG_TXRX_MPDU) { |
---|
| 791 | if (flags & CMD_PARAM_LOG_CONFIG_FLAG_TXRX_MPDU) { |
---|
| 792 | entry_mask |= ENTRY_EN_MASK_TXRX_MPDU; |
---|
| 793 | } else { |
---|
| 794 | entry_mask &= ~ENTRY_EN_MASK_TXRX_MPDU; |
---|
| 795 | } |
---|
| 796 | } |
---|
| 797 | |
---|
| 798 | if (mask & CMD_PARAM_LOG_CONFIG_FLAG_TXRX_CTRL) { |
---|
| 799 | if (flags & CMD_PARAM_LOG_CONFIG_FLAG_TXRX_CTRL) { |
---|
| 800 | entry_mask |= ENTRY_EN_MASK_TXRX_CTRL; |
---|
| 801 | } else { |
---|
| 802 | entry_mask &= ~ENTRY_EN_MASK_TXRX_CTRL; |
---|
| 803 | } |
---|
| 804 | } |
---|
| 805 | |
---|
| 806 | wlan_exp_log_set_entry_en_mask(entry_mask); |
---|
| 807 | |
---|
| 808 | // Send response of status |
---|
| 809 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 810 | #endif //WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 811 | } |
---|
| 812 | break; |
---|
| 813 | |
---|
| 814 | |
---|
| 815 | //--------------------------------------------------------------------- |
---|
| 816 | case CMDID_LOG_GET_STATUS: { |
---|
| 817 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 818 | // NODE_LOG_GET_INFO Packet Format: |
---|
| 819 | // - resp_args_32[0] - Next empty entry index |
---|
| 820 | // - resp_args_32[1] - Oldest empty entry index |
---|
| 821 | // - resp_args_32[2] - Number of wraps |
---|
| 822 | // - resp_args_32[3] - Flags |
---|
| 823 | // [0] - Log enabled |
---|
| 824 | // [1] - Log wrapping enabled |
---|
| 825 | // [2] - Log full payloads enabled |
---|
| 826 | // [3] - Log Tx / Rx MPDU frames enabled |
---|
| 827 | // [4] - Log Tx / Rx CTRL frames enabled |
---|
| 828 | // |
---|
| 829 | u32 flags = event_log_get_flags(); |
---|
| 830 | u32 log_length = wlan_exp_log_get_mac_payload_len(); |
---|
| 831 | u8 entry_en_mask = wlan_exp_log_get_entry_en_mask(); |
---|
| 832 | |
---|
| 833 | if (log_length == MAX_MAC_PAYLOAD_LOG_LEN) { |
---|
| 834 | flags |= CMD_PARAM_LOG_CONFIG_FLAG_PAYLOADS; |
---|
| 835 | } |
---|
| 836 | |
---|
| 837 | if (entry_en_mask & ENTRY_EN_MASK_TXRX_MPDU) { |
---|
| 838 | flags |= CMD_PARAM_LOG_CONFIG_FLAG_TXRX_MPDU; |
---|
| 839 | } |
---|
| 840 | |
---|
| 841 | if (entry_en_mask & ENTRY_EN_MASK_TXRX_CTRL) { |
---|
| 842 | flags |= CMD_PARAM_LOG_CONFIG_FLAG_TXRX_CTRL; |
---|
| 843 | } |
---|
| 844 | |
---|
| 845 | // Set response |
---|
| 846 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, event_log_get_next_entry_index()); |
---|
| 847 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, event_log_get_oldest_entry_index()); |
---|
| 848 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, event_log_get_num_wraps()); |
---|
| 849 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, flags); |
---|
| 850 | #endif //WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 851 | } |
---|
| 852 | break; |
---|
| 853 | |
---|
| 854 | |
---|
| 855 | //--------------------------------------------------------------------- |
---|
| 856 | case CMDID_LOG_GET_CAPACITY: { |
---|
| 857 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 858 | // NODE_LOG_GET_CAPACITY Packet Format: |
---|
| 859 | // - resp_args_32[0] - Max log size |
---|
| 860 | // - resp_args_32[1] - Current log size |
---|
| 861 | // |
---|
| 862 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, event_log_get_capacity()); |
---|
| 863 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, event_log_get_total_size()); |
---|
| 864 | #endif //WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 865 | } |
---|
| 866 | break; |
---|
| 867 | |
---|
| 868 | |
---|
| 869 | //--------------------------------------------------------------------- |
---|
| 870 | case CMDID_LOG_GET_ENTRIES: { |
---|
| 871 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 872 | // NODE_LOG_GET_ENTRIES Packet Format: |
---|
| 873 | // - Note: All u32 parameters in cmd_args_32 are byte swapped so use Xil_Ntohl() |
---|
| 874 | // |
---|
| 875 | // - cmd_args_32[0] - start_address of transfer |
---|
| 876 | // - cmd_args_32[1] - size of transfer (in bytes) |
---|
| 877 | // 0xFFFF_FFFF -> Get everything in the event log |
---|
| 878 | // |
---|
| 879 | // Return Value: |
---|
| 880 | // - bytes_remaining - uint32 - Number of bytes remaining in the transfer |
---|
| 881 | // - start_byte - uint32 - Byte index of the first byte in this packet |
---|
| 882 | // - size - uint32 - Number of payload bytes in this packet |
---|
| 883 | // - byte[] - uint8[] - Array of payload bytes |
---|
| 884 | // |
---|
| 885 | // NOTE: The address passed via the command is the address relative to the current |
---|
| 886 | // start of the event log. It is not an absolute address and should not be treated |
---|
| 887 | // as such. |
---|
| 888 | // |
---|
| 889 | // When you transfer "everything" in the event log, the command will take a |
---|
| 890 | // snapshot of the size of the log to the "end" at the time the command is received |
---|
| 891 | // (ie either the next_entry_index or the end of the log before it wraps). It will then |
---|
| 892 | // only transfer those events. It will not any new events that are added to the log while |
---|
| 893 | // we are transferring the current log as well as transfer any events after a wrap. |
---|
| 894 | // |
---|
| 895 | |
---|
| 896 | u32 start_index = Xil_Ntohl(cmd_args_32[0]); |
---|
| 897 | u32 size = Xil_Ntohl(cmd_args_32[1]); |
---|
| 898 | u32 event_log_size = event_log_get_size(start_index); |
---|
| 899 | |
---|
| 900 | // Check if we should transfer everything or if the request was larger than the current log |
---|
| 901 | if ((size == CMD_PARAM_LOG_GET_ALL_ENTRIES) || (size > event_log_size)) { |
---|
| 902 | size = event_log_size; |
---|
| 903 | } |
---|
| 904 | |
---|
| 905 | // Transfer data to host |
---|
| 906 | resp_sent = _transfer_log_data(eth_tx_queue_buffer, start_index, size); |
---|
| 907 | |
---|
| 908 | #endif //WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 909 | } |
---|
| 910 | break; |
---|
| 911 | |
---|
| 912 | |
---|
| 913 | //--------------------------------------------------------------------- |
---|
| 914 | case CMDID_LOG_ADD_EXP_INFO_ENTRY: { |
---|
| 915 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 916 | // Add EXP_INFO entry to the log |
---|
| 917 | // |
---|
| 918 | // Message format: |
---|
| 919 | // cmd_args_32[0] info_type (lower 16 bits) |
---|
| 920 | // cmd_args_32[1] msg_len (255 bytes max enforced in Python) |
---|
| 921 | // Payload: |
---|
| 922 | // Arbitrary message payload, msg_len bytes |
---|
| 923 | |
---|
| 924 | exp_info_entry* exp_info; |
---|
| 925 | u32 entry_size; |
---|
| 926 | u32 info_type = Xil_Ntohl(cmd_args_32[0]); |
---|
| 927 | u32 msg_len = Xil_Ntohl(cmd_args_32[1]); |
---|
| 928 | u8* msg_ptr = (u8*)&cmd_args_32[2]; |
---|
| 929 | |
---|
| 930 | int msg_len_words; |
---|
| 931 | |
---|
| 932 | if(msg_len > 255) { |
---|
| 933 | xil_printf("WARNING: truncating EXP_INFO_ENTRY msg_len from %d to 255\n", msg_len); |
---|
| 934 | msg_len = 255; |
---|
| 935 | } |
---|
| 936 | |
---|
| 937 | // Compute the total entry size, required to allocate the log entry |
---|
| 938 | if (msg_len == 0) { |
---|
| 939 | entry_size = sizeof(exp_info_entry); |
---|
| 940 | } else { |
---|
| 941 | // 32-bit align msg_len; not strictly required, but helps keep |
---|
| 942 | // later log entries aligned to u32 boundaries for quicker DMA'ing |
---|
| 943 | msg_len_words = msg_len/4; |
---|
| 944 | if(msg_len_words*4 < msg_len) msg_len_words++; |
---|
| 945 | |
---|
| 946 | entry_size = sizeof(exp_info_entry) + msg_len_words*4; |
---|
| 947 | } |
---|
| 948 | |
---|
| 949 | exp_info = (exp_info_entry *)wlan_exp_log_create_entry(ENTRY_TYPE_EXP_INFO, entry_size); |
---|
| 950 | |
---|
| 951 | if (exp_info != NULL) { |
---|
| 952 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_event_log, |
---|
| 953 | "Adding EXP INFO entry with type %d, msg_len %d to log\n", info_type, msg_len); |
---|
| 954 | xil_printf("Adding EXP INFO entry with type %d, msg_len %d to log\n", info_type, msg_len); |
---|
| 955 | |
---|
| 956 | exp_info->timestamp = get_mac_time_usec(); |
---|
| 957 | exp_info->info_type = info_type; |
---|
| 958 | exp_info->msg_len = msg_len; |
---|
| 959 | |
---|
| 960 | // Copy the message to the log entry |
---|
| 961 | if (msg_len > 0){ |
---|
| 962 | // message packed immediately after the EXP_INFO header struct |
---|
| 963 | memcpy((void *)((u8*)&exp_info + sizeof(exp_info_entry)), (void *)msg_ptr, msg_len); |
---|
| 964 | } |
---|
| 965 | } |
---|
| 966 | #endif //WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 967 | } |
---|
| 968 | break; |
---|
| 969 | |
---|
| 970 | //----------------------------------------------------------------------------- |
---|
| 971 | // Counts Commands |
---|
| 972 | //----------------------------------------------------------------------------- |
---|
| 973 | |
---|
| 974 | //----------------------------------------------------------------------------- |
---|
| 975 | // Local Traffic Generator (LTG) Commands |
---|
| 976 | //----------------------------------------------------------------------------- |
---|
| 977 | |
---|
| 978 | |
---|
| 979 | //--------------------------------------------------------------------- |
---|
| 980 | case CMDID_LTG_CONFIG: { |
---|
| 981 | #if WLAN_SW_CONFIG_ENABLE_LTG |
---|
| 982 | // NODE_LTG_START Packet Format: |
---|
| 983 | // - cmd_args_32[0] - Flags |
---|
| 984 | // [0] - Auto-start the LTG flow |
---|
| 985 | // - cmd_args_32[1] - Schedule type |
---|
| 986 | // --------- |
---|
| 987 | // - _ltg_sched_periodic_params_otw or _ltg_sched_uniform_rand_params_otw |
---|
| 988 | // - ltg_pyld_fixed_t, ltg_pyld_uniform_rand_t, ltg_pyld_all_assoc_fixed_t, or ltg_pyld_ctrl_resp_t |
---|
| 989 | // |
---|
| 990 | // - resp_args_32[0] - CMD_PARAM_SUCCESS |
---|
| 991 | // - CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 992 | // |
---|
| 993 | |
---|
| 994 | // The over-the-wire format for the schedule parameters specifies things in units of microseconds. |
---|
| 995 | // For architectural reasons, the framework chooses to represent these values in units of counts |
---|
| 996 | // of the scheduler clock. This function is responsible for converting the OTW parameters into ones |
---|
| 997 | // the framework can understand. |
---|
| 998 | typedef struct _ltg_sched_periodic_params_otw{ |
---|
| 999 | u32 interval_usec; |
---|
| 1000 | u64 duration_usec; |
---|
| 1001 | } __attribute__((__packed__)) _ltg_sched_periodic_params_otw; |
---|
| 1002 | ASSERT_TYPE_SIZE(_ltg_sched_periodic_params_otw, 12); |
---|
| 1003 | |
---|
| 1004 | |
---|
| 1005 | // Note: count variables are in units of FAST_TIMER_DUR_US |
---|
| 1006 | typedef struct _ltg_sched_uniform_rand_params_otw{ |
---|
| 1007 | u32 min_interval_usec; |
---|
| 1008 | u32 max_interval_usec; |
---|
| 1009 | u64 duration_usec; |
---|
| 1010 | } __attribute__((__packed__)) _ltg_sched_uniform_rand_params_otw; |
---|
| 1011 | ASSERT_TYPE_SIZE(_ltg_sched_uniform_rand_params_otw, 16); |
---|
| 1012 | |
---|
| 1013 | u8* ltg_payload_cmd; |
---|
| 1014 | u8* ltg_sched_cmd; |
---|
| 1015 | |
---|
| 1016 | int ltg_payload_size; |
---|
| 1017 | int ltg_sched_size; |
---|
| 1018 | |
---|
| 1019 | u8* ltg_payload = NULL; |
---|
| 1020 | |
---|
| 1021 | // Since there are only two schedules, we'll skip a round of malloc/free by reserving space for |
---|
| 1022 | // the larger of the two schedules in the stack. |
---|
| 1023 | u8 ltg_sched_arr[WLAN_MAX(sizeof(ltg_sched_periodic_params_t), sizeof(ltg_sched_uniform_rand_params_t))]; |
---|
| 1024 | u8* ltg_sched = &(ltg_sched_arr[0]); |
---|
| 1025 | |
---|
| 1026 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1027 | u32 id = LTG_ID_INVALID; |
---|
| 1028 | |
---|
| 1029 | u32 flags = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1030 | u32 schedule_type = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1031 | |
---|
| 1032 | // Lay struct stencils on top of command payload |
---|
| 1033 | // and check validity of parameters. |
---|
| 1034 | |
---|
| 1035 | ltg_sched_cmd = (u8*)(&cmd_args_32[cmd_hdr->num_u32_args]); |
---|
| 1036 | |
---|
| 1037 | switch(schedule_type){ |
---|
| 1038 | case LTG_SCHED_TYPE_PERIODIC: |
---|
| 1039 | ltg_sched_size = sizeof(_ltg_sched_periodic_params_otw); |
---|
| 1040 | ((ltg_sched_periodic_params_t*)ltg_sched)->duration_count = \ |
---|
| 1041 | (((_ltg_sched_periodic_params_otw*)ltg_sched_cmd)->duration_usec / platform_high_dev_info.timer_dur_us); |
---|
| 1042 | ((ltg_sched_periodic_params_t*)ltg_sched)->interval_count = \ |
---|
| 1043 | (((_ltg_sched_periodic_params_otw*)ltg_sched_cmd)->interval_usec / platform_high_dev_info.timer_dur_us); |
---|
| 1044 | break; |
---|
| 1045 | case LTG_SCHED_TYPE_UNIFORM_RAND: |
---|
| 1046 | ltg_sched_size = sizeof(_ltg_sched_uniform_rand_params_otw); |
---|
| 1047 | ((ltg_sched_uniform_rand_params_t*)ltg_sched)->duration_count = \ |
---|
| 1048 | (((_ltg_sched_uniform_rand_params_otw*)ltg_sched_cmd)->duration_usec / platform_high_dev_info.timer_dur_us); |
---|
| 1049 | ((ltg_sched_uniform_rand_params_t*)ltg_sched)->max_interval_count = \ |
---|
| 1050 | (((_ltg_sched_uniform_rand_params_otw*)ltg_sched_cmd)->max_interval_usec / platform_high_dev_info.timer_dur_us); |
---|
| 1051 | ((ltg_sched_uniform_rand_params_t*)ltg_sched)->min_interval_count = \ |
---|
| 1052 | (((_ltg_sched_uniform_rand_params_otw*)ltg_sched_cmd)->min_interval_usec / platform_high_dev_info.timer_dur_us); |
---|
| 1053 | break; |
---|
| 1054 | default: |
---|
| 1055 | ltg_sched_size = -1; |
---|
| 1056 | break; |
---|
| 1057 | } // switch(schedule_type) |
---|
| 1058 | |
---|
| 1059 | if(ltg_sched_size > 0){ |
---|
| 1060 | ltg_payload_cmd = ltg_sched_cmd + ltg_sched_size; |
---|
| 1061 | |
---|
| 1062 | switch(((ltg_pyld_hdr_t*)ltg_payload_cmd)->type){ |
---|
| 1063 | case LTG_PYLD_TYPE_FIXED: |
---|
| 1064 | ltg_payload_size = sizeof(ltg_pyld_fixed_t); |
---|
| 1065 | break; |
---|
| 1066 | case LTG_PYLD_TYPE_UNIFORM_RAND: |
---|
| 1067 | ltg_payload_size = sizeof(ltg_pyld_uniform_rand_t); |
---|
| 1068 | break; |
---|
| 1069 | case LTG_PYLD_TYPE_ALL_ASSOC_FIXED: |
---|
| 1070 | ltg_payload_size = sizeof(ltg_pyld_all_assoc_fixed_t); |
---|
| 1071 | break; |
---|
| 1072 | case LTG_PYLD_TYPE_CTRL_RESP: |
---|
| 1073 | ltg_payload_size = sizeof(ltg_pyld_ctrl_resp_t); |
---|
| 1074 | |
---|
| 1075 | break; |
---|
| 1076 | default: |
---|
| 1077 | ltg_payload_size = -1; |
---|
| 1078 | break; |
---|
| 1079 | } // switch(((ltg_pyld_hdr_t*)ltg_payload_cmd)->type) |
---|
| 1080 | } // if(ltg_sched_size > 0) |
---|
| 1081 | |
---|
| 1082 | |
---|
| 1083 | if((ltg_sched_size > 0) && (ltg_payload_size > 0)){ |
---|
| 1084 | // We know we have both a valid LTG schedule and payload type, so we can continue processing. |
---|
| 1085 | // The bytes in the command payload are transient -- after we leave this context they will be gone. |
---|
| 1086 | // The framework will make its own copy of schedule parameters, but we need to make sure that |
---|
| 1087 | // the payload parameters survive the duration of the LTG. So, we need to copy them into the heap. |
---|
| 1088 | |
---|
| 1089 | ltg_payload = wlan_mac_high_malloc(ltg_payload_size); |
---|
| 1090 | if(ltg_payload) { |
---|
| 1091 | memcpy(ltg_payload, ltg_payload_cmd, ltg_payload_size); |
---|
| 1092 | |
---|
| 1093 | // Configure the LTG |
---|
| 1094 | id = ltg_sched_create(schedule_type, ltg_sched, ltg_payload, &_ltg_cleanup); |
---|
| 1095 | |
---|
| 1096 | if(id != LTG_ID_INVALID){ |
---|
| 1097 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_ltg, "Configured %d\n", id); |
---|
| 1098 | |
---|
| 1099 | if (flags & CMD_PARAM_LTG_CONFIG_FLAG_AUTOSTART) { |
---|
| 1100 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_ltg, "Starting %d\n", id); |
---|
| 1101 | ltg_sched_start( id ); |
---|
| 1102 | } |
---|
| 1103 | } else { |
---|
| 1104 | status = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1105 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Could not create LTG\n"); |
---|
| 1106 | wlan_mac_high_free(ltg_payload); |
---|
| 1107 | } |
---|
| 1108 | } else { |
---|
| 1109 | status = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1110 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Could not allocate memory for CMDID_LTG_CONFIG\n"); |
---|
| 1111 | } // if((ltg_payload != NULL) && (ltg_sched != NULL)) |
---|
| 1112 | } else { |
---|
| 1113 | status = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1114 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Invalid LTG schedule or payload type\n"); |
---|
| 1115 | } // if((ltg_sched_size > 0) && (ltg_payload_size > 0)) |
---|
| 1116 | |
---|
| 1117 | // Send response |
---|
| 1118 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1119 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, id); |
---|
| 1120 | #endif //WLAN_SW_CONFIG_ENABLE_LTG |
---|
| 1121 | } |
---|
| 1122 | break; |
---|
| 1123 | |
---|
| 1124 | |
---|
| 1125 | //--------------------------------------------------------------------- |
---|
| 1126 | case CMDID_LTG_START: { |
---|
| 1127 | #if WLAN_SW_CONFIG_ENABLE_LTG |
---|
| 1128 | // NODE_LTG_START Packet Format: |
---|
| 1129 | // - cmd_args_32[0] - LTG ID |
---|
| 1130 | // |
---|
| 1131 | // - resp_args_32[0] - CMD_PARAM_SUCCESS |
---|
| 1132 | // - CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1133 | // |
---|
| 1134 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1135 | u32 id = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1136 | int ltg_status = ltg_sched_start(id); |
---|
| 1137 | |
---|
| 1138 | if (ltg_status == 0) { |
---|
| 1139 | if (id != CMD_PARAM_LTG_ALL_LTGS){ |
---|
| 1140 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_ltg, "Starting %d\n", id); |
---|
| 1141 | } else { |
---|
| 1142 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_ltg, "Starting all LTGs\n"); |
---|
| 1143 | } |
---|
| 1144 | } else { |
---|
| 1145 | if (id != CMD_PARAM_LTG_ALL_LTGS){ |
---|
| 1146 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Failed to start %d\n", id); |
---|
| 1147 | } else { |
---|
| 1148 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Failed to start all LTGs\n"); |
---|
| 1149 | } |
---|
| 1150 | status = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1151 | } |
---|
| 1152 | |
---|
| 1153 | // Send response of current rate |
---|
| 1154 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1155 | #endif |
---|
| 1156 | } |
---|
| 1157 | break; |
---|
| 1158 | |
---|
| 1159 | |
---|
| 1160 | //--------------------------------------------------------------------- |
---|
| 1161 | case CMDID_LTG_STOP: { |
---|
| 1162 | #if WLAN_SW_CONFIG_ENABLE_LTG |
---|
| 1163 | // NODE_LTG_STOP Packet Format: |
---|
| 1164 | // - cmd_args_32[0] - LTG ID |
---|
| 1165 | // |
---|
| 1166 | // - resp_args_32[0] - CMD_PARAM_SUCCESS |
---|
| 1167 | // - CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1168 | // |
---|
| 1169 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1170 | u32 id = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1171 | int ltg_status = ltg_sched_stop(id); |
---|
| 1172 | |
---|
| 1173 | if (ltg_status == 0) { |
---|
| 1174 | if (id != CMD_PARAM_LTG_ALL_LTGS){ |
---|
| 1175 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_ltg, "Stopping %d\n", id); |
---|
| 1176 | } else { |
---|
| 1177 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_ltg, "Stopping all LTGs\n"); |
---|
| 1178 | } |
---|
| 1179 | } else { |
---|
| 1180 | if (id != CMD_PARAM_LTG_ALL_LTGS){ |
---|
| 1181 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Failed to stop %d\n", id); |
---|
| 1182 | } else { |
---|
| 1183 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Failed to stop all LTGs\n"); |
---|
| 1184 | } |
---|
| 1185 | status = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1186 | } |
---|
| 1187 | |
---|
| 1188 | // Send response of current rate |
---|
| 1189 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1190 | #endif |
---|
| 1191 | } |
---|
| 1192 | break; |
---|
| 1193 | |
---|
| 1194 | |
---|
| 1195 | //--------------------------------------------------------------------- |
---|
| 1196 | case CMDID_LTG_REMOVE: { |
---|
| 1197 | #if WLAN_SW_CONFIG_ENABLE_LTG |
---|
| 1198 | // NODE_LTG_REMOVE Packet Format: |
---|
| 1199 | // - cmd_args_32[0] - LTG ID |
---|
| 1200 | // |
---|
| 1201 | // - resp_args_32[0] - CMD_PARAM_SUCCESS |
---|
| 1202 | // - CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1203 | // |
---|
| 1204 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1205 | u32 id = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1206 | int ltg_status = ltg_sched_remove(id); |
---|
| 1207 | |
---|
| 1208 | if (ltg_status == 0) { |
---|
| 1209 | if (id != CMD_PARAM_LTG_ALL_LTGS){ |
---|
| 1210 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_ltg, "Removing %d\n", id); |
---|
| 1211 | } else { |
---|
| 1212 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_ltg, "Removing all LTGs\n"); |
---|
| 1213 | } |
---|
| 1214 | } else { |
---|
| 1215 | if (id != CMD_PARAM_LTG_ALL_LTGS){ |
---|
| 1216 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Failed to remove %d\n", id); |
---|
| 1217 | } else { |
---|
| 1218 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_ltg, "Failed to remove all LTGs\n"); |
---|
| 1219 | } |
---|
| 1220 | status = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1221 | } |
---|
| 1222 | |
---|
| 1223 | // Send response of status |
---|
| 1224 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1225 | #endif //WLAN_SW_CONFIG_ENABLE_LTG |
---|
| 1226 | } |
---|
| 1227 | break; |
---|
| 1228 | |
---|
| 1229 | |
---|
| 1230 | //--------------------------------------------------------------------- |
---|
| 1231 | case CMDID_LTG_STATUS: { |
---|
| 1232 | #if WLAN_SW_CONFIG_ENABLE_LTG |
---|
| 1233 | // NODE_LTG_STATUS Packet Format: |
---|
| 1234 | // - cmd_args_32[0] - LTG ID |
---|
| 1235 | // |
---|
| 1236 | // - resp_args_32[0] - CMD_PARAM_SUCCESS |
---|
| 1237 | // - CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1238 | // - resp_args_32[1] - CMD_PARAM_LTG_RUNNING |
---|
| 1239 | // - CMD_PARAM_LTG_STOPPED |
---|
| 1240 | // - resp_args_32[3:2] - Last start timestamp |
---|
| 1241 | // - resp_args_32[5:4] - Last stop timestamp |
---|
| 1242 | // |
---|
| 1243 | u32 i; |
---|
| 1244 | u32* state; |
---|
| 1245 | dl_entry* curr_tg_dl_entry; |
---|
| 1246 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1247 | u32 id = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1248 | u32 max_args = sizeof(ltg_sched_state_hdr_t) / 4; // Maximum number of return args |
---|
| 1249 | |
---|
| 1250 | curr_tg_dl_entry = ltg_sched_find_tg_schedule(id); |
---|
| 1251 | |
---|
| 1252 | if(curr_tg_dl_entry != NULL){ |
---|
| 1253 | state = (u32 *)((tg_schedule*)(curr_tg_dl_entry->data))->state; |
---|
| 1254 | } else { |
---|
| 1255 | status = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR; |
---|
| 1256 | } |
---|
| 1257 | |
---|
| 1258 | // Send response of status |
---|
| 1259 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1260 | |
---|
| 1261 | if(curr_tg_dl_entry != NULL){ |
---|
| 1262 | for (i = 0; i < max_args; i++) { |
---|
| 1263 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, state[i]); |
---|
| 1264 | } |
---|
| 1265 | } else { |
---|
| 1266 | for (i = 0; i < max_args; i++) { |
---|
| 1267 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, 0xFFFFFFFF); |
---|
| 1268 | } |
---|
| 1269 | } |
---|
| 1270 | #endif //WLAN_SW_CONFIG_ENABLE_LTG |
---|
| 1271 | } |
---|
| 1272 | break; |
---|
| 1273 | |
---|
| 1274 | |
---|
| 1275 | //----------------------------------------------------------------------------- |
---|
| 1276 | // Node Commands |
---|
| 1277 | //----------------------------------------------------------------------------- |
---|
| 1278 | |
---|
| 1279 | //--------------------------------------------------------------------- |
---|
| 1280 | case CMDID_NODE_CHANNEL: { |
---|
| 1281 | // - cmd_args_32[0] - Command |
---|
| 1282 | // - cmd_args_32[1] - Channel |
---|
| 1283 | // |
---|
| 1284 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1285 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1286 | u32 channel = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1287 | |
---|
| 1288 | if (msg_cmd == CMD_PARAM_WRITE_VAL) { |
---|
| 1289 | // Set the Channel |
---|
| 1290 | if (wlan_verify_channel(channel) == 0){ |
---|
| 1291 | |
---|
| 1292 | wlan_mac_high_set_radio_channel(channel); |
---|
| 1293 | |
---|
| 1294 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Set Channel = %d\n", channel); |
---|
| 1295 | |
---|
| 1296 | } else { |
---|
| 1297 | status = CMD_PARAM_ERROR; |
---|
| 1298 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, |
---|
| 1299 | "Channel %d is not supported by the node.\n", channel); |
---|
| 1300 | } |
---|
| 1301 | } |
---|
| 1302 | |
---|
| 1303 | // Send response |
---|
| 1304 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1305 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, low_param_channel); |
---|
| 1306 | } |
---|
| 1307 | break; |
---|
| 1308 | |
---|
| 1309 | |
---|
| 1310 | //--------------------------------------------------------------------- |
---|
| 1311 | // CMDID_NODE_RESET_STATE implemented in child classes |
---|
| 1312 | // |
---|
| 1313 | |
---|
| 1314 | |
---|
| 1315 | //--------------------------------------------------------------------- |
---|
| 1316 | case CMDID_NODE_CONFIGURE: { |
---|
| 1317 | // CMDID_NODE_CONFIGURE Packet Format: |
---|
| 1318 | // - cmd_args_32[0] - Flags |
---|
| 1319 | // [0] - NODE_CONFIG_FLAG_DSSS_ENABLE |
---|
| 1320 | // [1] - NODE_CONFIG_FLAG_ |
---|
| 1321 | // - cmd_args_32[1] - Flag mask |
---|
| 1322 | // - cmd_args_32[2] - WLAN Exp debug level |
---|
| 1323 | // [31] - Set debug level |
---|
| 1324 | // [7:0] - Debug level |
---|
| 1325 | // |
---|
| 1326 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1327 | u32 flags = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1328 | u32 mask = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1329 | u32 debug_level = Xil_Ntohl(cmd_args_32[2]); |
---|
| 1330 | |
---|
| 1331 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Configure flags = 0x%08x mask = 0x%08x\n", flags, mask); |
---|
| 1332 | |
---|
| 1333 | // Set DSS Enable / Disable |
---|
| 1334 | if (mask & CMD_PARAM_NODE_CONFIG_FLAG_DSSS_ENABLE) { |
---|
| 1335 | if (flags & CMD_PARAM_NODE_CONFIG_FLAG_DSSS_ENABLE) { |
---|
| 1336 | wlan_mac_high_set_dsss(0x1); |
---|
| 1337 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Enabled DSSS\n"); |
---|
| 1338 | } else { |
---|
| 1339 | wlan_mac_high_set_dsss(0x0); |
---|
| 1340 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Disabled DSSS\n"); |
---|
| 1341 | } |
---|
| 1342 | } |
---|
| 1343 | |
---|
| 1344 | // Set MAC time update from beacon Enable / Disable |
---|
| 1345 | if (mask & CMD_PARAM_NODE_CONFIG_FLAG_BEACON_TIME_UPDATE) { |
---|
| 1346 | if (flags & CMD_PARAM_NODE_CONFIG_FLAG_BEACON_TIME_UPDATE) { |
---|
| 1347 | wlan_exp_beacon_ts_update_mode_callback(1); |
---|
| 1348 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Enable MAC time update from beacons\n"); |
---|
| 1349 | } else { |
---|
| 1350 | wlan_exp_beacon_ts_update_mode_callback(0); |
---|
| 1351 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Disabled MAC time update from beacons\n"); |
---|
| 1352 | } |
---|
| 1353 | } |
---|
| 1354 | |
---|
| 1355 | // Set debug print level |
---|
| 1356 | if (debug_level & CMD_PARAM_NODE_CONFIG_SET_WLAN_EXP_PRINT_LEVEL) { |
---|
| 1357 | wlan_exp_set_print_level(debug_level & 0xFF); |
---|
| 1358 | } |
---|
| 1359 | |
---|
| 1360 | #if WLAN_SW_CONFIG_ENABLE_ETH_BRIDGE |
---|
| 1361 | // Set Eth A portal behavior |
---|
| 1362 | if (mask & CMD_PARAM_NODE_CONFIG_FLAG_ETH_PORTAL) { |
---|
| 1363 | if (flags & CMD_PARAM_NODE_CONFIG_FLAG_ETH_PORTAL) { |
---|
| 1364 | wlan_eth_portal_en(1); |
---|
| 1365 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Enable ETH A Portal\n"); |
---|
| 1366 | } else { |
---|
| 1367 | wlan_eth_portal_en(0); |
---|
| 1368 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Disable ETH A Portal\n"); |
---|
| 1369 | } |
---|
| 1370 | |
---|
| 1371 | } |
---|
| 1372 | #endif |
---|
| 1373 | |
---|
| 1374 | // Send response of status |
---|
| 1375 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1376 | } |
---|
| 1377 | break; |
---|
| 1378 | |
---|
| 1379 | //--------------------------------------------------------------------- |
---|
| 1380 | case CMDID_NODE_TIME: { |
---|
| 1381 | // Set / Get node time |
---|
| 1382 | // |
---|
| 1383 | // Message format: |
---|
| 1384 | // cmd_args_32[0] Command: |
---|
| 1385 | // - Write (NODE_WRITE_VAL) |
---|
| 1386 | // - Read (NODE_READ_VAL) |
---|
| 1387 | // - Add to log (NODE_TIME_ADD_TO_LOG_VAL) |
---|
| 1388 | // - Add to log on change (NODE_TIME_ADD_ON_CHANGE) |
---|
| 1389 | // cmd_args_32[1] Time ID |
---|
| 1390 | // cmd_args_32[2] New MAC Time in microseconds - lower 32 bits (or NODE_TIME_RSVD_VAL) |
---|
| 1391 | // cmd_args_32[3] New MAC Time in microseconds - upper 32 bits (or NODE_TIME_RSVD_VAL) |
---|
| 1392 | // cmd_args_32[4] Host Time in microseconds - lower 32 bits (or NODE_TIME_RSVD_VAL) |
---|
| 1393 | // cmd_args_32[5] Host Time in microseconds - upper 32 bits (or NODE_TIME_RSVD_VAL) |
---|
| 1394 | // |
---|
| 1395 | // Response format: |
---|
| 1396 | // resp_args_32[0] Status |
---|
| 1397 | // resp_args_32[1] MAC Time on node in microseconds - lower 32 bits |
---|
| 1398 | // resp_args_32[2] MAC Time on node in microseconds - upper 32 bits |
---|
| 1399 | // resp_args_32[3] System Time on node in microseconds - lower 32 bits |
---|
| 1400 | // resp_args_32[4] System Time on node in microseconds - upper 32 bits |
---|
| 1401 | // |
---|
| 1402 | u32 temp_lo, temp_hi; |
---|
| 1403 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1404 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1405 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 1406 | u32 id = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1407 | u64 host_timestamp; |
---|
| 1408 | #endif //WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 1409 | |
---|
| 1410 | u64 new_mac_time; |
---|
| 1411 | u64 mac_timestamp = get_mac_time_usec(); |
---|
| 1412 | u64 system_timestamp = get_system_time_usec(); |
---|
| 1413 | |
---|
| 1414 | switch (msg_cmd) { |
---|
| 1415 | case CMD_PARAM_WRITE_VAL: |
---|
| 1416 | case CMD_PARAM_NODE_TIME_ADD_TO_LOG_VAL: |
---|
| 1417 | // Get the new time |
---|
| 1418 | temp_lo = Xil_Ntohl(cmd_args_32[2]); |
---|
| 1419 | temp_hi = Xil_Ntohl(cmd_args_32[3]); |
---|
| 1420 | new_mac_time = (((u64)temp_hi) << 32) + ((u64)temp_lo); |
---|
| 1421 | |
---|
| 1422 | // If this is a write, then update the time on the node |
---|
| 1423 | if (msg_cmd == CMD_PARAM_WRITE_VAL){ |
---|
| 1424 | set_mac_time_usec(new_mac_time); |
---|
| 1425 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Set time = 0x%08x 0x%08x\n", temp_hi, temp_lo); |
---|
| 1426 | } |
---|
| 1427 | |
---|
| 1428 | // Get the Host time |
---|
| 1429 | temp_lo = Xil_Ntohl(cmd_args_32[4]); |
---|
| 1430 | temp_hi = Xil_Ntohl(cmd_args_32[5]); |
---|
| 1431 | |
---|
| 1432 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Host time = 0x%08x 0x%08x\n", temp_hi, temp_lo); |
---|
| 1433 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 1434 | host_timestamp = (((u64)temp_hi) << 32) + ((u64)temp_lo); |
---|
| 1435 | // Add a time info log entry |
---|
| 1436 | if (msg_cmd == CMD_PARAM_WRITE_VAL) { |
---|
| 1437 | add_time_info_entry(mac_timestamp, new_mac_time, system_timestamp, host_timestamp, TIME_INFO_ENTRY_WLAN_EXP_SET_TIME, id, WLAN_EXP_TRUE); |
---|
| 1438 | } else { |
---|
| 1439 | add_time_info_entry(mac_timestamp, new_mac_time, system_timestamp, host_timestamp, TIME_INFO_ENTRY_WLAN_EXP_ADD_LOG, id, WLAN_EXP_TRUE); |
---|
| 1440 | } |
---|
| 1441 | #endif //WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 1442 | |
---|
| 1443 | // If this was a write, then update the time value so we can return it to the host |
---|
| 1444 | // This is done after the log entry to the fields are correct in the entry. |
---|
| 1445 | if (msg_cmd == CMD_PARAM_WRITE_VAL){ |
---|
| 1446 | mac_timestamp = new_mac_time; |
---|
| 1447 | } |
---|
| 1448 | break; |
---|
| 1449 | |
---|
| 1450 | case CMD_PARAM_READ_VAL: |
---|
| 1451 | break; |
---|
| 1452 | |
---|
| 1453 | default: |
---|
| 1454 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown command for 0x%6x: %d\n", cmd_id, msg_cmd); |
---|
| 1455 | status = CMD_PARAM_ERROR; |
---|
| 1456 | break; |
---|
| 1457 | } |
---|
| 1458 | |
---|
| 1459 | // Send response |
---|
| 1460 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1461 | |
---|
| 1462 | // Add the MAC time to the response |
---|
| 1463 | temp_lo = mac_timestamp & 0xFFFFFFFF; |
---|
| 1464 | temp_hi = (mac_timestamp >> 32) & 0xFFFFFFFF; |
---|
| 1465 | |
---|
| 1466 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, temp_lo); |
---|
| 1467 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, temp_hi); |
---|
| 1468 | |
---|
| 1469 | // Add the System time to the response |
---|
| 1470 | temp_lo = system_timestamp & 0xFFFFFFFF; |
---|
| 1471 | temp_hi = (system_timestamp >> 32) & 0xFFFFFFFF; |
---|
| 1472 | |
---|
| 1473 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, temp_lo); |
---|
| 1474 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, temp_hi); |
---|
| 1475 | |
---|
| 1476 | } |
---|
| 1477 | break; |
---|
| 1478 | |
---|
| 1479 | |
---|
| 1480 | //--------------------------------------------------------------------- |
---|
| 1481 | case CMDID_NODE_LOW_TO_HIGH_FILTER: { |
---|
| 1482 | // Set node MAC low to high filter |
---|
| 1483 | // |
---|
| 1484 | // Message format: |
---|
| 1485 | // cmd_args_32[0] Command |
---|
| 1486 | // cmd_args_32[1] RX Filter |
---|
| 1487 | // |
---|
| 1488 | // Response format: |
---|
| 1489 | // resp_args_32[0] Status |
---|
| 1490 | // |
---|
| 1491 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1492 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1493 | u32 filter_mode = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1494 | |
---|
| 1495 | switch (msg_cmd) { |
---|
| 1496 | case CMD_PARAM_WRITE_VAL: |
---|
| 1497 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Set RX filter = 0x%08x\n", filter_mode); |
---|
| 1498 | wlan_mac_high_set_rx_filter_mode(filter_mode); |
---|
| 1499 | break; |
---|
| 1500 | |
---|
| 1501 | default: |
---|
| 1502 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown command for 0x%6x: %d\n", cmd_id, msg_cmd); |
---|
| 1503 | status = CMD_PARAM_ERROR; |
---|
| 1504 | break; |
---|
| 1505 | } |
---|
| 1506 | |
---|
| 1507 | // Send response |
---|
| 1508 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1509 | } |
---|
| 1510 | break; |
---|
| 1511 | |
---|
| 1512 | |
---|
| 1513 | //--------------------------------------------------------------------- |
---|
| 1514 | case CMDID_NODE_RANDOM_SEED: { |
---|
| 1515 | // Set the random seed for the random number generator for cpu high / low |
---|
| 1516 | // |
---|
| 1517 | // Message format: |
---|
| 1518 | // cmd_args_32[0] Command (only writes are supported |
---|
| 1519 | // cmd_args_32[1] CPU High Seed Valid |
---|
| 1520 | // cmd_args_32[2] CPU High Seed |
---|
| 1521 | // cmd_args_32[3] CPU Low Seed Valid |
---|
| 1522 | // cmd_args_32[4] CPU Low Seed |
---|
| 1523 | // |
---|
| 1524 | // Response format: |
---|
| 1525 | // resp_args_32[0] Status |
---|
| 1526 | // |
---|
| 1527 | u32 seed; |
---|
| 1528 | u32 seed_valid; |
---|
| 1529 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1530 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1531 | |
---|
| 1532 | switch (msg_cmd) { |
---|
| 1533 | case CMD_PARAM_WRITE_VAL: |
---|
| 1534 | // Process the seed for CPU high |
---|
| 1535 | seed_valid = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1536 | seed = Xil_Ntohl(cmd_args_32[2]); |
---|
| 1537 | if (seed_valid == CMD_PARAM_RANDOM_SEED_VALID) { |
---|
| 1538 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Set CPU High random seed = 0x%08x\n", seed); |
---|
| 1539 | srand(seed); |
---|
| 1540 | } |
---|
| 1541 | |
---|
| 1542 | // Process the seed for CPU low |
---|
| 1543 | seed_valid = Xil_Ntohl(cmd_args_32[3]); |
---|
| 1544 | seed = Xil_Ntohl(cmd_args_32[4]); |
---|
| 1545 | if (seed_valid == CMD_PARAM_RANDOM_SEED_VALID) { |
---|
| 1546 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Set CPU Low random seed = 0x%08x\n", seed); |
---|
| 1547 | wlan_mac_high_set_srand(seed); |
---|
| 1548 | } |
---|
| 1549 | break; |
---|
| 1550 | |
---|
| 1551 | default: |
---|
| 1552 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown command for 0x%6x: %d\n", cmd_id, msg_cmd); |
---|
| 1553 | status = CMD_PARAM_ERROR; |
---|
| 1554 | break; |
---|
| 1555 | } |
---|
| 1556 | |
---|
| 1557 | // Send response |
---|
| 1558 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1559 | } |
---|
| 1560 | break; |
---|
| 1561 | |
---|
| 1562 | |
---|
| 1563 | //--------------------------------------------------------------------- |
---|
| 1564 | case CMDID_NODE_LOW_PARAM: { |
---|
| 1565 | // Set node MAC low to high filter |
---|
| 1566 | // |
---|
| 1567 | // Message format: |
---|
| 1568 | // cmd_args_32[0] Command |
---|
| 1569 | // cmd_args_32[1] Size in words of LOW_PARAM_MESSAGE |
---|
| 1570 | // cmd_args_32[2] LOW_PARAM_MESSAGE |
---|
| 1571 | // [0] PARAM_ID |
---|
| 1572 | // [1:N] ARGS |
---|
| 1573 | // |
---|
| 1574 | // Response format: |
---|
| 1575 | // resp_args_32[0] Status |
---|
| 1576 | // |
---|
| 1577 | u32 i; |
---|
| 1578 | u32 id; |
---|
| 1579 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1580 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1581 | u32 size = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1582 | |
---|
| 1583 | // Byte swap all the payload words for the LOW_PARAM_MESSAGE |
---|
| 1584 | for (i = 2; i < (size + 2); i++) { |
---|
| 1585 | cmd_args_32[i] = Xil_Ntohl(cmd_args_32[i]); |
---|
| 1586 | } |
---|
| 1587 | |
---|
| 1588 | id = cmd_args_32[2]; // Already byte swapped in for loop above |
---|
| 1589 | |
---|
| 1590 | switch (msg_cmd) { |
---|
| 1591 | case CMD_PARAM_WRITE_VAL: |
---|
| 1592 | wlan_mac_high_write_low_param(size, &(cmd_args_32[2])); |
---|
| 1593 | break; |
---|
| 1594 | |
---|
| 1595 | case CMD_PARAM_READ_VAL: |
---|
| 1596 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Parameter read not allowed.\n"); |
---|
| 1597 | status = CMD_PARAM_ERROR + id; |
---|
| 1598 | break; |
---|
| 1599 | |
---|
| 1600 | default: |
---|
| 1601 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown command for 0x%6x: %d\n", cmd_id, msg_cmd); |
---|
| 1602 | status = CMD_PARAM_ERROR + id; |
---|
| 1603 | break; |
---|
| 1604 | } |
---|
| 1605 | |
---|
| 1606 | // Send default response |
---|
| 1607 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1608 | } |
---|
| 1609 | break; |
---|
| 1610 | |
---|
| 1611 | |
---|
| 1612 | //--------------------------------------------------------------------- |
---|
| 1613 | case CMDID_NODE_TX_POWER: { |
---|
| 1614 | int power; |
---|
| 1615 | u8 mac_addr[MAC_ADDR_LEN]; |
---|
| 1616 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1617 | |
---|
| 1618 | //Extract arguments |
---|
| 1619 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1620 | u32 frame_type = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1621 | u32 update_default_unicast = Xil_Ntohl(cmd_args_32[2]); |
---|
| 1622 | u32 update_default_multicast = Xil_Ntohl(cmd_args_32[3]); |
---|
| 1623 | u32 power_xmit = Xil_Ntohl(cmd_args_32[4]); |
---|
| 1624 | u32 addr_sel = Xil_Ntohl(cmd_args_32[5]); |
---|
| 1625 | |
---|
| 1626 | int iter; |
---|
| 1627 | dl_list* station_info_list; |
---|
| 1628 | station_info_entry_t* station_info_entry; |
---|
| 1629 | station_info_t* station_info; |
---|
| 1630 | tx_params_t tx_params; |
---|
| 1631 | |
---|
| 1632 | // Shift power value from transmission to get the power |
---|
| 1633 | power = power_xmit + platform_common_dev_info.tx_power_min_dbm; |
---|
| 1634 | |
---|
| 1635 | // Adjust the power so that it falls in an acceptable range |
---|
| 1636 | if(power < platform_common_dev_info.tx_power_min_dbm){ power = platform_common_dev_info.tx_power_min_dbm; } |
---|
| 1637 | if(power > platform_common_dev_info.tx_power_max_dbm){ power = platform_common_dev_info.tx_power_max_dbm; } |
---|
| 1638 | |
---|
| 1639 | // Process the command |
---|
| 1640 | if( msg_cmd == CMD_PARAM_WRITE_VAL ){ |
---|
| 1641 | if( frame_type & CMD_PARAM_TXPARAM_MASK_CTRL ){ |
---|
| 1642 | wlan_mac_high_set_tx_ctrl_power(power); |
---|
| 1643 | } |
---|
| 1644 | // 1. Update default values if needed |
---|
| 1645 | if(update_default_unicast){ |
---|
| 1646 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1647 | tx_params = wlan_mac_get_default_tx_params(unicast_data); |
---|
| 1648 | tx_params.phy.power = power; |
---|
| 1649 | wlan_mac_set_default_tx_params(unicast_data, &tx_params); |
---|
| 1650 | } |
---|
| 1651 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1652 | tx_params = wlan_mac_get_default_tx_params(unicast_mgmt); |
---|
| 1653 | tx_params.phy.power = power; |
---|
| 1654 | wlan_mac_set_default_tx_params(unicast_mgmt, &tx_params); |
---|
| 1655 | } |
---|
| 1656 | } |
---|
| 1657 | if(update_default_multicast){ |
---|
| 1658 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1659 | tx_params = wlan_mac_get_default_tx_params(mcast_data); |
---|
| 1660 | tx_params.phy.power = power; |
---|
| 1661 | wlan_mac_set_default_tx_params(mcast_data, &tx_params); |
---|
| 1662 | } |
---|
| 1663 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1664 | tx_params = wlan_mac_get_default_tx_params(mcast_mgmt); |
---|
| 1665 | tx_params.phy.power = power; |
---|
| 1666 | wlan_mac_set_default_tx_params(mcast_mgmt, &tx_params); |
---|
| 1667 | } |
---|
| 1668 | } |
---|
| 1669 | // 2. Update station_info_t value depending on addr_sel |
---|
| 1670 | switch(addr_sel){ |
---|
| 1671 | default: |
---|
| 1672 | status = CMD_PARAM_ERROR; |
---|
| 1673 | break; |
---|
| 1674 | case CMD_PARAM_TXPARAM_ADDR_NONE: |
---|
| 1675 | break; |
---|
| 1676 | case CMD_PARAM_TXPARAM_ADDR_ALL: |
---|
| 1677 | case CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST: |
---|
| 1678 | case CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST: |
---|
| 1679 | station_info_list = station_info_get_list(); |
---|
| 1680 | station_info_entry = (station_info_entry_t*)(station_info_list->first); |
---|
| 1681 | iter = (station_info_list->length)+1; |
---|
| 1682 | while(station_info_entry && ((iter--) > 0)){ |
---|
| 1683 | station_info = station_info_entry->data; |
---|
| 1684 | if( (!wlan_addr_mcast(station_info->addr) && ((addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST) || (addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL))) || |
---|
| 1685 | (wlan_addr_mcast(station_info->addr) && ((addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST) || (addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL))) ){ |
---|
| 1686 | |
---|
| 1687 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1688 | station_info->tx_params_data.phy.power = power; |
---|
| 1689 | } |
---|
| 1690 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1691 | station_info->tx_params_mgmt.phy.power = power; |
---|
| 1692 | } |
---|
| 1693 | } |
---|
| 1694 | station_info_entry = (station_info_entry_t*)dl_entry_next((dl_entry*)station_info_entry); |
---|
| 1695 | } |
---|
| 1696 | break; |
---|
| 1697 | case CMD_PARAM_TXPARAM_ADDR_SINGLE: |
---|
| 1698 | // Get MAC Address |
---|
| 1699 | wlan_exp_get_mac_addr(&((u32 *)cmd_args_32)[6], &mac_addr[0]); |
---|
| 1700 | station_info = station_info_create(&mac_addr[0]); |
---|
| 1701 | if(station_info){ |
---|
| 1702 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1703 | station_info->tx_params_data.phy.power = power; |
---|
| 1704 | } |
---|
| 1705 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1706 | station_info->tx_params_mgmt.phy.power = power; |
---|
| 1707 | } |
---|
| 1708 | } |
---|
| 1709 | break; |
---|
| 1710 | } |
---|
| 1711 | |
---|
| 1712 | } else { |
---|
| 1713 | // We do not support CMD_PARAM_READ_VAL for Tx parameters |
---|
| 1714 | status = CMD_PARAM_ERROR; |
---|
| 1715 | } |
---|
| 1716 | |
---|
| 1717 | // Send response |
---|
| 1718 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1719 | } |
---|
| 1720 | break; |
---|
| 1721 | |
---|
| 1722 | |
---|
| 1723 | //--------------------------------------------------------------------- |
---|
| 1724 | case CMDID_NODE_TX_RATE: { |
---|
| 1725 | |
---|
| 1726 | u8 mac_addr[MAC_ADDR_LEN]; |
---|
| 1727 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1728 | |
---|
| 1729 | //Extract arguments |
---|
| 1730 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1731 | u32 frame_type = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1732 | u32 update_default_unicast = Xil_Ntohl(cmd_args_32[2]); |
---|
| 1733 | u32 update_default_multicast = Xil_Ntohl(cmd_args_32[3]); |
---|
| 1734 | u32 mcs = Xil_Ntohl(cmd_args_32[4]) & 0xFF; |
---|
| 1735 | u32 phy_mode = Xil_Ntohl(cmd_args_32[5]) & 0xFF; |
---|
| 1736 | u32 addr_sel = Xil_Ntohl(cmd_args_32[6]); |
---|
| 1737 | |
---|
| 1738 | int iter; |
---|
| 1739 | dl_list* station_info_list; |
---|
| 1740 | station_info_entry_t* station_info_entry; |
---|
| 1741 | station_info_t* station_info; |
---|
| 1742 | tx_params_t tx_params; |
---|
| 1743 | |
---|
| 1744 | // Force invalid mcs / phy_mode values to sane defaults |
---|
| 1745 | if (mcs > 7) { |
---|
| 1746 | mcs = 7; |
---|
| 1747 | } |
---|
| 1748 | |
---|
| 1749 | if ((phy_mode & (PHY_MODE_NONHT | PHY_MODE_HTMF)) == 0) { |
---|
| 1750 | phy_mode = PHY_MODE_NONHT; |
---|
| 1751 | } |
---|
| 1752 | |
---|
| 1753 | // Process the command |
---|
| 1754 | if( msg_cmd == CMD_PARAM_WRITE_VAL ){ |
---|
| 1755 | if( frame_type & CMD_PARAM_TXPARAM_MASK_CTRL ){ |
---|
| 1756 | //We do not support setting the Tx antenna mode for control packets. |
---|
| 1757 | //CPU_LOW will choose what antenna is used for Tx for these packets. |
---|
| 1758 | status = CMD_PARAM_ERROR; |
---|
| 1759 | } |
---|
| 1760 | // 1. Update default values if needed |
---|
| 1761 | if(update_default_unicast){ |
---|
| 1762 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1763 | tx_params = wlan_mac_get_default_tx_params(unicast_data); |
---|
| 1764 | tx_params.phy.mcs = mcs; |
---|
| 1765 | tx_params.phy.phy_mode = phy_mode; |
---|
| 1766 | wlan_mac_set_default_tx_params(unicast_data, &tx_params); |
---|
| 1767 | } |
---|
| 1768 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1769 | tx_params = wlan_mac_get_default_tx_params(unicast_mgmt); |
---|
| 1770 | tx_params.phy.mcs = mcs; |
---|
| 1771 | tx_params.phy.phy_mode = phy_mode; |
---|
| 1772 | wlan_mac_set_default_tx_params(unicast_mgmt, &tx_params); |
---|
| 1773 | } |
---|
| 1774 | } |
---|
| 1775 | if(update_default_multicast){ |
---|
| 1776 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1777 | tx_params = wlan_mac_get_default_tx_params(mcast_data); |
---|
| 1778 | tx_params.phy.mcs = mcs; |
---|
| 1779 | tx_params.phy.phy_mode = phy_mode; |
---|
| 1780 | wlan_mac_set_default_tx_params(mcast_data, &tx_params); |
---|
| 1781 | } |
---|
| 1782 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1783 | tx_params = wlan_mac_get_default_tx_params(mcast_mgmt); |
---|
| 1784 | tx_params.phy.mcs = mcs; |
---|
| 1785 | tx_params.phy.phy_mode = phy_mode; |
---|
| 1786 | wlan_mac_set_default_tx_params(mcast_mgmt, &tx_params); |
---|
| 1787 | } |
---|
| 1788 | } |
---|
| 1789 | // 2. Update station_info_t value depending on addr_sel |
---|
| 1790 | switch(addr_sel){ |
---|
| 1791 | default: |
---|
| 1792 | status = CMD_PARAM_ERROR; |
---|
| 1793 | break; |
---|
| 1794 | case CMD_PARAM_TXPARAM_ADDR_NONE: |
---|
| 1795 | break; |
---|
| 1796 | case CMD_PARAM_TXPARAM_ADDR_ALL: |
---|
| 1797 | case CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST: |
---|
| 1798 | case CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST: |
---|
| 1799 | station_info_list = station_info_get_list(); |
---|
| 1800 | station_info_entry = (station_info_entry_t*)(station_info_list->first); |
---|
| 1801 | iter = (station_info_list->length)+1; |
---|
| 1802 | while(station_info_entry && ((iter--) > 0)){ |
---|
| 1803 | station_info = station_info_entry->data; |
---|
| 1804 | if( (!wlan_addr_mcast(station_info->addr) && ((addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST) || (addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL))) || |
---|
| 1805 | (wlan_addr_mcast(station_info->addr) && ((addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST) || (addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL))) ){ |
---|
| 1806 | |
---|
| 1807 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1808 | station_info->tx_params_data.phy.mcs = mcs; |
---|
| 1809 | station_info->tx_params_data.phy.phy_mode = phy_mode; |
---|
| 1810 | } |
---|
| 1811 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1812 | station_info->tx_params_mgmt.phy.mcs = mcs; |
---|
| 1813 | station_info->tx_params_mgmt.phy.phy_mode = phy_mode; |
---|
| 1814 | } |
---|
| 1815 | } |
---|
| 1816 | station_info_entry = (station_info_entry_t*)dl_entry_next((dl_entry*)station_info_entry); |
---|
| 1817 | } |
---|
| 1818 | break; |
---|
| 1819 | case CMD_PARAM_TXPARAM_ADDR_SINGLE: |
---|
| 1820 | // Get MAC Address |
---|
| 1821 | wlan_exp_get_mac_addr(&((u32 *)cmd_args_32)[7], &mac_addr[0]); |
---|
| 1822 | station_info = station_info_create(&mac_addr[0]); |
---|
| 1823 | if(station_info){ |
---|
| 1824 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1825 | station_info->tx_params_data.phy.mcs = mcs; |
---|
| 1826 | station_info->tx_params_data.phy.phy_mode = phy_mode; |
---|
| 1827 | } |
---|
| 1828 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1829 | station_info->tx_params_mgmt.phy.mcs = mcs; |
---|
| 1830 | station_info->tx_params_mgmt.phy.phy_mode = phy_mode; |
---|
| 1831 | } |
---|
| 1832 | } |
---|
| 1833 | break; |
---|
| 1834 | } |
---|
| 1835 | |
---|
| 1836 | } else { |
---|
| 1837 | // We do not support CMD_PARAM_READ_VAL for Tx parameters |
---|
| 1838 | status = CMD_PARAM_ERROR; |
---|
| 1839 | } |
---|
| 1840 | |
---|
| 1841 | // Send response |
---|
| 1842 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1843 | } |
---|
| 1844 | break; |
---|
| 1845 | |
---|
| 1846 | |
---|
| 1847 | //--------------------------------------------------------------------- |
---|
| 1848 | case CMDID_NODE_TX_ANT_MODE: { |
---|
| 1849 | u8 mac_addr[MAC_ADDR_LEN]; |
---|
| 1850 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1851 | |
---|
| 1852 | //Extract arguments |
---|
| 1853 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1854 | u32 frame_type = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1855 | u32 update_default_unicast = Xil_Ntohl(cmd_args_32[2]); |
---|
| 1856 | u32 update_default_multicast = Xil_Ntohl(cmd_args_32[3]); |
---|
| 1857 | u32 ant_mode = Xil_Ntohl(cmd_args_32[4]); |
---|
| 1858 | u32 addr_sel = Xil_Ntohl(cmd_args_32[5]); |
---|
| 1859 | |
---|
| 1860 | int iter; |
---|
| 1861 | dl_list* station_info_list; |
---|
| 1862 | station_info_entry_t* station_info_entry; |
---|
| 1863 | station_info_t* station_info; |
---|
| 1864 | tx_params_t tx_params; |
---|
| 1865 | |
---|
| 1866 | // Need to convert antenna mode from: Python C |
---|
| 1867 | // - TX_ANTMODE_SISO_ANTA: 0x0 to 0x10 |
---|
| 1868 | // - TX_ANTMODE_SISO_ANTB: 0x1 to 0x20 |
---|
| 1869 | // - TX_ANTMODE_SISO_ANTC: 0x2 to 0x30 |
---|
| 1870 | // - TX_ANTMODE_SISO_ANTD: 0x3 to 0x40 |
---|
| 1871 | // |
---|
| 1872 | // Formula: y = (x + 1) << 4; |
---|
| 1873 | // |
---|
| 1874 | ant_mode = (ant_mode + 1) << 4; |
---|
| 1875 | |
---|
| 1876 | // Process the command |
---|
| 1877 | if( msg_cmd == CMD_PARAM_WRITE_VAL ){ |
---|
| 1878 | if( frame_type & CMD_PARAM_TXPARAM_MASK_CTRL ){ |
---|
| 1879 | //We do not support setting the Tx antenna mode for control packets. |
---|
| 1880 | //CPU_LOW will choose what antenna is used for Tx for these packets. |
---|
| 1881 | status = CMD_PARAM_ERROR; |
---|
| 1882 | } |
---|
| 1883 | // 1. Update default values if needed |
---|
| 1884 | if(update_default_unicast){ |
---|
| 1885 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1886 | tx_params = wlan_mac_get_default_tx_params(unicast_data); |
---|
| 1887 | tx_params.phy.antenna_mode = ant_mode; |
---|
| 1888 | wlan_mac_set_default_tx_params(unicast_data, &tx_params); |
---|
| 1889 | } |
---|
| 1890 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1891 | tx_params = wlan_mac_get_default_tx_params(unicast_mgmt); |
---|
| 1892 | tx_params.phy.antenna_mode = ant_mode; |
---|
| 1893 | wlan_mac_set_default_tx_params(unicast_mgmt, &tx_params); |
---|
| 1894 | } |
---|
| 1895 | } |
---|
| 1896 | if(update_default_multicast){ |
---|
| 1897 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1898 | tx_params = wlan_mac_get_default_tx_params(mcast_data); |
---|
| 1899 | tx_params.phy.antenna_mode = ant_mode; |
---|
| 1900 | wlan_mac_set_default_tx_params(mcast_data, &tx_params); |
---|
| 1901 | } |
---|
| 1902 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1903 | tx_params = wlan_mac_get_default_tx_params(mcast_mgmt); |
---|
| 1904 | tx_params.phy.antenna_mode = ant_mode; |
---|
| 1905 | wlan_mac_set_default_tx_params(mcast_mgmt, &tx_params); |
---|
| 1906 | } |
---|
| 1907 | } |
---|
| 1908 | // 2. Update station_info_t value depending on addr_sel |
---|
| 1909 | switch(addr_sel){ |
---|
| 1910 | default: |
---|
| 1911 | status = CMD_PARAM_ERROR; |
---|
| 1912 | break; |
---|
| 1913 | case CMD_PARAM_TXPARAM_ADDR_NONE: |
---|
| 1914 | break; |
---|
| 1915 | case CMD_PARAM_TXPARAM_ADDR_ALL: |
---|
| 1916 | case CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST: |
---|
| 1917 | case CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST: |
---|
| 1918 | station_info_list = station_info_get_list(); |
---|
| 1919 | station_info_entry = (station_info_entry_t*)(station_info_list->first); |
---|
| 1920 | iter = (station_info_list->length)+1; |
---|
| 1921 | while(station_info_entry && ((iter--) > 0)){ |
---|
| 1922 | station_info = station_info_entry->data; |
---|
| 1923 | if( (!wlan_addr_mcast(station_info->addr) && ((addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST) || (addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL))) || |
---|
| 1924 | (wlan_addr_mcast(station_info->addr) && ((addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST) || (addr_sel == CMD_PARAM_TXPARAM_ADDR_ALL))) ){ |
---|
| 1925 | |
---|
| 1926 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1927 | station_info->tx_params_data.phy.antenna_mode = ant_mode; |
---|
| 1928 | } |
---|
| 1929 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1930 | station_info->tx_params_mgmt.phy.antenna_mode = ant_mode; |
---|
| 1931 | } |
---|
| 1932 | } |
---|
| 1933 | station_info_entry = (station_info_entry_t*)dl_entry_next((dl_entry*)station_info_entry); |
---|
| 1934 | } |
---|
| 1935 | break; |
---|
| 1936 | case CMD_PARAM_TXPARAM_ADDR_SINGLE: |
---|
| 1937 | // Get MAC Address |
---|
| 1938 | wlan_exp_get_mac_addr(&((u32 *)cmd_args_32)[6], &mac_addr[0]); |
---|
| 1939 | station_info = station_info_create(&mac_addr[0]); |
---|
| 1940 | if(station_info){ |
---|
| 1941 | if(frame_type & CMD_PARAM_TXPARAM_MASK_DATA){ |
---|
| 1942 | station_info->tx_params_data.phy.antenna_mode = ant_mode; |
---|
| 1943 | } |
---|
| 1944 | if(frame_type & CMD_PARAM_TXPARAM_MASK_MGMT){ |
---|
| 1945 | station_info->tx_params_mgmt.phy.antenna_mode = ant_mode; |
---|
| 1946 | } |
---|
| 1947 | } |
---|
| 1948 | break; |
---|
| 1949 | } |
---|
| 1950 | |
---|
| 1951 | } else { |
---|
| 1952 | // We do not support CMD_PARAM_READ_VAL for Tx parameters |
---|
| 1953 | status = CMD_PARAM_ERROR; |
---|
| 1954 | } |
---|
| 1955 | |
---|
| 1956 | // Send response |
---|
| 1957 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1958 | } |
---|
| 1959 | break; |
---|
| 1960 | |
---|
| 1961 | //--------------------------------------------------------------------- |
---|
| 1962 | case CMDID_NODE_RX_ANT_MODE: { |
---|
| 1963 | // NODE_RX_ANT_MODE Packet Format: |
---|
| 1964 | // - cmd_args_32[0] - Command |
---|
| 1965 | // - cmd_args_32[1] - Antenna Mode |
---|
| 1966 | // |
---|
| 1967 | // NOTE: This method assumes that the Antenna mode received is valid. |
---|
| 1968 | // The checking will be done on either the host, in CPU Low or both. |
---|
| 1969 | // |
---|
| 1970 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 1971 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 1972 | u32 ant_mode = Xil_Ntohl(cmd_args_32[1]); |
---|
| 1973 | |
---|
| 1974 | switch (msg_cmd) { |
---|
| 1975 | case CMD_PARAM_WRITE_VAL: |
---|
| 1976 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Set RX antenna mode = %d\n", ant_mode); |
---|
| 1977 | wlan_mac_high_set_rx_ant_mode(ant_mode); |
---|
| 1978 | break; |
---|
| 1979 | |
---|
| 1980 | case CMD_PARAM_READ_VAL: |
---|
| 1981 | ant_mode = low_param_rx_ant_mode; |
---|
| 1982 | break; |
---|
| 1983 | |
---|
| 1984 | default: |
---|
| 1985 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown command for 0x%6x: %d\n", cmd_id, msg_cmd); |
---|
| 1986 | status = CMD_PARAM_ERROR; |
---|
| 1987 | break; |
---|
| 1988 | } |
---|
| 1989 | |
---|
| 1990 | // Send response |
---|
| 1991 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 1992 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, ant_mode); |
---|
| 1993 | } |
---|
| 1994 | break; |
---|
| 1995 | |
---|
| 1996 | |
---|
| 1997 | //----------------------------------------------------------------------------- |
---|
| 1998 | // Scan Commands |
---|
| 1999 | //----------------------------------------------------------------------------- |
---|
| 2000 | |
---|
| 2001 | |
---|
| 2002 | //--------------------------------------------------------------------- |
---|
| 2003 | case CMDID_NODE_SCAN_PARAM: { |
---|
| 2004 | // Set the active scan parameters |
---|
| 2005 | // |
---|
| 2006 | // Message format: |
---|
| 2007 | // cmd_args_32[0] Command: |
---|
| 2008 | // - Write (NODE_WRITE_VAL) |
---|
| 2009 | // cmd_args_32[1] Time per channel (in microseconds) |
---|
| 2010 | // (or CMD_PARAM_NODE_TIME_RSVD_VAL if not setting the parameter) |
---|
| 2011 | // cmd_args_32[2] Number of probe request Tx per channel |
---|
| 2012 | // (or CMD_PARAM_RSVD if not setting the parameter) |
---|
| 2013 | // cmd_args_32[3] Length of channel list |
---|
| 2014 | // (or CMD_PARAM_RSVD if not setting channel list) |
---|
| 2015 | // cmd_args_32[4:N] Channel |
---|
| 2016 | // cmd_args_32[N+1] Length of SSID |
---|
| 2017 | // (or CMD_PARAM_RSVD if not setting SSID) |
---|
| 2018 | // cmd_args_32[N+2] SSID |
---|
| 2019 | // |
---|
| 2020 | // Response format: |
---|
| 2021 | // resp_args_32[0] Status |
---|
| 2022 | // |
---|
| 2023 | u32 i; |
---|
| 2024 | volatile scan_parameters_t* scan_params; |
---|
| 2025 | u32 time_per_channel; |
---|
| 2026 | u32 num_probe_tx; |
---|
| 2027 | u32 channel_list_len; |
---|
| 2028 | u8* channel_list; |
---|
| 2029 | u32 is_scanning; |
---|
| 2030 | u32 ssid_len; |
---|
| 2031 | char* ssid; |
---|
| 2032 | u32 update_probe_interval = 0; |
---|
| 2033 | u32 curr_num_probe_tx = 0; |
---|
| 2034 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 2035 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 2036 | |
---|
| 2037 | switch (msg_cmd) { |
---|
| 2038 | case CMD_PARAM_WRITE_VAL: |
---|
| 2039 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Set Scan Parameters\n"); |
---|
| 2040 | |
---|
| 2041 | // Check if node is currently in a scan |
---|
| 2042 | is_scanning = wlan_mac_scan_is_scanning(); |
---|
| 2043 | |
---|
| 2044 | // Stop the current scan to update the scan parameters |
---|
| 2045 | // - Because the underlying channel list can be updated, the scan is stopped |
---|
| 2046 | // vs being paused. This will reduce any corner cases. |
---|
| 2047 | if (is_scanning) { |
---|
| 2048 | wlan_mac_scan_stop(); |
---|
| 2049 | } |
---|
| 2050 | |
---|
| 2051 | // Get current scan parameters |
---|
| 2052 | scan_params = wlan_mac_scan_get_parameters(); |
---|
| 2053 | |
---|
| 2054 | // Set the time per channel |
---|
| 2055 | time_per_channel = Xil_Ntohl(cmd_args_32[1]); |
---|
| 2056 | |
---|
| 2057 | if (time_per_channel != CMD_PARAM_NODE_TIME_RSVD_VAL) { |
---|
| 2058 | // Compute current num_probe_tx |
---|
| 2059 | if (scan_params->probe_tx_interval_usec == 0) { |
---|
| 2060 | curr_num_probe_tx = 0; |
---|
| 2061 | } else { |
---|
| 2062 | curr_num_probe_tx = scan_params->time_per_channel_usec / scan_params->probe_tx_interval_usec; |
---|
| 2063 | } |
---|
| 2064 | |
---|
| 2065 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Time per channel = %d us\n", time_per_channel); |
---|
| 2066 | scan_params->time_per_channel_usec = time_per_channel; |
---|
| 2067 | update_probe_interval = 1; |
---|
| 2068 | } |
---|
| 2069 | |
---|
| 2070 | // Set Probe request interval |
---|
| 2071 | num_probe_tx = Xil_Ntohl(cmd_args_32[2]); |
---|
| 2072 | |
---|
| 2073 | if (num_probe_tx != CMD_PARAM_RSVD) { |
---|
| 2074 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Num Probe Req = %d \n", num_probe_tx); |
---|
| 2075 | curr_num_probe_tx = num_probe_tx; |
---|
| 2076 | update_probe_interval = 1; |
---|
| 2077 | } |
---|
| 2078 | |
---|
| 2079 | // Set the probe_tx_interval |
---|
| 2080 | if (update_probe_interval) { |
---|
| 2081 | if (curr_num_probe_tx == 0) { |
---|
| 2082 | scan_params->probe_tx_interval_usec = 0; |
---|
| 2083 | } else { |
---|
| 2084 | scan_params->probe_tx_interval_usec = scan_params->time_per_channel_usec / curr_num_probe_tx; |
---|
| 2085 | } |
---|
| 2086 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Probe Req interval = %d us\n", scan_params->probe_tx_interval_usec); |
---|
| 2087 | } |
---|
| 2088 | |
---|
| 2089 | |
---|
| 2090 | // Set the scan channels |
---|
| 2091 | channel_list_len = Xil_Ntohl(cmd_args_32[3]); |
---|
| 2092 | |
---|
| 2093 | if (channel_list_len != CMD_PARAM_RSVD){ |
---|
| 2094 | // Free the current channel list in the scan parameters |
---|
| 2095 | wlan_mac_high_free(scan_params->channel_vec); |
---|
| 2096 | |
---|
| 2097 | // Update new channel list |
---|
| 2098 | channel_list = wlan_mac_high_malloc(channel_list_len); |
---|
| 2099 | |
---|
| 2100 | for (i = 0; i < channel_list_len; i++) { |
---|
| 2101 | channel_list[i] = Xil_Ntohl(cmd_args_32[4 + i]); |
---|
| 2102 | } |
---|
| 2103 | |
---|
| 2104 | // Set scan parameters |
---|
| 2105 | scan_params->channel_vec_len = channel_list_len; |
---|
| 2106 | scan_params->channel_vec = channel_list; |
---|
| 2107 | |
---|
| 2108 | // Print information about the new channels |
---|
| 2109 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Channels = "); |
---|
| 2110 | for (i = 0; i < channel_list_len; i++) { |
---|
| 2111 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, NULL, "%d ",channel_list[i]); |
---|
| 2112 | } |
---|
| 2113 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, NULL, "\n"); |
---|
| 2114 | } else { |
---|
| 2115 | // No channel list to process |
---|
| 2116 | channel_list_len = 0; |
---|
| 2117 | } |
---|
| 2118 | |
---|
| 2119 | // Set the SSID |
---|
| 2120 | ssid_len = Xil_Ntohl(cmd_args_32[4 + channel_list_len]); |
---|
| 2121 | |
---|
| 2122 | if (ssid_len != CMD_PARAM_RSVD){ |
---|
| 2123 | // Get pointer to new SSID |
---|
| 2124 | ssid = (char *) &cmd_args_32[5 + channel_list_len]; |
---|
| 2125 | |
---|
| 2126 | // Free the current ssid in the scan parameters |
---|
| 2127 | wlan_mac_high_free(scan_params->ssid); |
---|
| 2128 | |
---|
| 2129 | // Update new ssid |
---|
| 2130 | scan_params->ssid = strndup(ssid, SSID_LEN_MAX); |
---|
| 2131 | |
---|
| 2132 | // Print information about the new channels |
---|
| 2133 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " SSID = %s\n", scan_params->ssid); |
---|
| 2134 | } |
---|
| 2135 | |
---|
| 2136 | // If the node was scanning, re-start the scan |
---|
| 2137 | if (is_scanning) { |
---|
| 2138 | wlan_mac_scan_start(); |
---|
| 2139 | } |
---|
| 2140 | break; |
---|
| 2141 | |
---|
| 2142 | default: |
---|
| 2143 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown command for 0x%6x: %d\n", cmd_id, msg_cmd); |
---|
| 2144 | status = CMD_PARAM_ERROR; |
---|
| 2145 | break; |
---|
| 2146 | } |
---|
| 2147 | |
---|
| 2148 | // Send response of status |
---|
| 2149 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 2150 | } |
---|
| 2151 | break; |
---|
| 2152 | |
---|
| 2153 | |
---|
| 2154 | //--------------------------------------------------------------------- |
---|
| 2155 | case CMDID_NODE_SCAN: { |
---|
| 2156 | // Enable / Disable active scan |
---|
| 2157 | // |
---|
| 2158 | // Scans initiated by WLAN Exp will use the current scan parameters. To |
---|
| 2159 | // update the scan parameters use the CMDID_NODE_SCAN_PARAM command. |
---|
| 2160 | // |
---|
| 2161 | // Message format: |
---|
| 2162 | // cmd_args_32[0] Enable / Disable scan |
---|
| 2163 | // - CMD_PARAM_NODE_SCAN_ENABLE - Enable scan |
---|
| 2164 | // - CMD_PARAM_NODE_SCAN_DISABLE - Disable scan |
---|
| 2165 | // - CMD_PARAM_RSVD - Do nothing |
---|
| 2166 | // |
---|
| 2167 | // Response format: |
---|
| 2168 | // resp_args_32[0] Status |
---|
| 2169 | // resp_args_32[1] Is Scanning? |
---|
| 2170 | // |
---|
| 2171 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 2172 | u32 enable = Xil_Ntohl(cmd_args_32[0]); |
---|
| 2173 | network_info_t* active_network_info = ((network_info_t*)wlan_exp_active_network_info_getter_callback()); |
---|
| 2174 | |
---|
| 2175 | switch (enable) { |
---|
| 2176 | case CMD_PARAM_NODE_SCAN_ENABLE: |
---|
| 2177 | // Enable scan |
---|
| 2178 | if (active_network_info == NULL) { |
---|
| 2179 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Scan enabled.\n"); |
---|
| 2180 | wlan_mac_scan_start(); |
---|
| 2181 | } else { |
---|
| 2182 | // "my_bss_info" must be NULL to start a scan |
---|
| 2183 | // - This will avoid any corner cases with scanning |
---|
| 2184 | status = CMD_PARAM_ERROR; |
---|
| 2185 | } |
---|
| 2186 | break; |
---|
| 2187 | |
---|
| 2188 | case CMD_PARAM_NODE_SCAN_DISABLE: |
---|
| 2189 | // Disable scan |
---|
| 2190 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Scan disabled.\n"); |
---|
| 2191 | wlan_mac_scan_stop(); |
---|
| 2192 | break; |
---|
| 2193 | } |
---|
| 2194 | |
---|
| 2195 | // Send response of status |
---|
| 2196 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 2197 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, wlan_mac_scan_is_scanning()); |
---|
| 2198 | } |
---|
| 2199 | break; |
---|
| 2200 | |
---|
| 2201 | |
---|
| 2202 | //----------------------------------------------------------------------------- |
---|
| 2203 | // Association Commands |
---|
| 2204 | //----------------------------------------------------------------------------- |
---|
| 2205 | |
---|
| 2206 | |
---|
| 2207 | //--------------------------------------------------------------------- |
---|
| 2208 | case CMDID_NODE_CONFIG_BSS: { |
---|
| 2209 | // Configure the BSS |
---|
| 2210 | // |
---|
| 2211 | // Message format: |
---|
| 2212 | // < no u32 arguments > |
---|
| 2213 | // ------ |
---|
| 2214 | // _wlan_exp_bss_config_update_t |
---|
| 2215 | // |
---|
| 2216 | // Response format: |
---|
| 2217 | // resp_args_32[0] - Status |
---|
| 2218 | // |
---|
| 2219 | |
---|
| 2220 | typedef struct __attribute__((__packed__)){ |
---|
| 2221 | u32 update_mask; |
---|
| 2222 | bss_config_t bss_config; |
---|
| 2223 | } _wlan_exp_bss_config_update_t; |
---|
| 2224 | ASSERT_TYPE_SIZE(_wlan_exp_bss_config_update_t, 52); |
---|
| 2225 | |
---|
| 2226 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 2227 | |
---|
| 2228 | // CONFIG_BSS message has raw bss_config_update struct immediately after command arguments |
---|
| 2229 | // Current CONFIG_BSS command always has zero arguments |
---|
| 2230 | _wlan_exp_bss_config_update_t* wlan_exp_bss_config_update; |
---|
| 2231 | |
---|
| 2232 | if(cmd_hdr->num_u32_args == 0) { |
---|
| 2233 | wlan_exp_bss_config_update = (_wlan_exp_bss_config_update_t*)(&cmd_args_32[cmd_hdr->num_u32_args]); |
---|
| 2234 | |
---|
| 2235 | // Each MAC implementation is responsible for the implementation of this command. |
---|
| 2236 | status = wlan_exp_process_config_bss_callback(&(wlan_exp_bss_config_update->bss_config), wlan_exp_bss_config_update->update_mask); |
---|
| 2237 | } else { |
---|
| 2238 | xil_printf("ERROR: CMDID_NODE_CONFIG_BSS received with nonzero (%d) command args - leaving BSS config unchanged\n", cmd_hdr->num_u32_args); |
---|
| 2239 | status = CMD_PARAM_ERROR; |
---|
| 2240 | } |
---|
| 2241 | |
---|
| 2242 | // If there was an error, add CMD_PARAM_ERROR bits on return value |
---|
| 2243 | if (status != CMD_PARAM_SUCCESS) { |
---|
| 2244 | status |= CMD_PARAM_ERROR; |
---|
| 2245 | } |
---|
| 2246 | |
---|
| 2247 | // Send response |
---|
| 2248 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 2249 | } |
---|
| 2250 | break; |
---|
| 2251 | |
---|
| 2252 | |
---|
| 2253 | //--------------------------------------------------------------------- |
---|
| 2254 | // Case NODE_DISASSOCIATE is implemented in the child classes |
---|
| 2255 | |
---|
| 2256 | |
---|
| 2257 | //--------------------------------------------------------------------- |
---|
| 2258 | case CMDID_NODE_GET_BSS_MEMBERS: { |
---|
| 2259 | // NODE_GET_STATION_INFO Packet Format: |
---|
| 2260 | // - cmd_args_32[0] - start_address of transfer //TODO: Unusued and should be removed from OTW format |
---|
| 2261 | // - cmd_args_32[1] - size of transfer (in bytes) //TODO: Unusued and should be removed from OTW format |
---|
| 2262 | // - cmd_args_32[2:3] - MAC Address (All 0x00 means all entries) |
---|
| 2263 | // |
---|
| 2264 | // Always returns a valid WLAN Exp Buffer (either 1 or more packets) |
---|
| 2265 | // - bytes_remaining - uint32 - Number of bytes remaining in the transfer |
---|
| 2266 | // - start_byte - uint32 - Byte index of the first byte in this packet |
---|
| 2267 | // - size - uint32 - Number of payload bytes in this packet |
---|
| 2268 | // - byte[] - uint8[] - Array of payload bytes |
---|
| 2269 | // |
---|
| 2270 | |
---|
| 2271 | u8 mac_addr[MAC_ADDR_LEN]; |
---|
| 2272 | |
---|
| 2273 | // If unchanged, (start_entry == NULL, num_entries = 0) |
---|
| 2274 | // will result in a transport-level response that serves as an |
---|
| 2275 | // acknowledgment. |
---|
| 2276 | dl_entry* start_entry = NULL; |
---|
| 2277 | u32 num_entries = 0; |
---|
| 2278 | |
---|
| 2279 | dl_list* member_list = NULL; |
---|
| 2280 | |
---|
| 2281 | // Convert the u32-packed MAC address into a 6-byte array |
---|
| 2282 | wlan_exp_get_mac_addr(&(cmd_args_32)[2], mac_addr); |
---|
| 2283 | |
---|
| 2284 | // These lists are highly mutable and typically small. For these reasons, |
---|
| 2285 | // we disable interrupts while retrieving them and sending them as responses. |
---|
| 2286 | interrupt_state_t curr_interrupt_state = wlan_platform_intc_stop(); |
---|
| 2287 | |
---|
| 2288 | member_list = get_network_member_list(); |
---|
| 2289 | |
---|
| 2290 | if (wlan_addr_eq(mac_addr, zero_addr)) { |
---|
| 2291 | // Retrieve all entries |
---|
| 2292 | if(member_list){ |
---|
| 2293 | start_entry = (member_list)->first; |
---|
| 2294 | num_entries = (member_list)->length; |
---|
| 2295 | } |
---|
| 2296 | } else { |
---|
| 2297 | // Retrieve one entry |
---|
| 2298 | if(member_list){ |
---|
| 2299 | start_entry = (dl_entry*)station_info_find_by_addr(mac_addr, member_list); |
---|
| 2300 | if(start_entry) num_entries = 1; |
---|
| 2301 | } |
---|
| 2302 | } |
---|
| 2303 | |
---|
| 2304 | if(start_entry){ |
---|
| 2305 | resp_sent = _send_list_response( eth_tx_queue_buffer, |
---|
| 2306 | start_entry, |
---|
| 2307 | num_entries, |
---|
| 2308 | 0, |
---|
| 2309 | sizeof(station_info_t) - sizeof(rate_selection_info_t) ); |
---|
| 2310 | } |
---|
| 2311 | |
---|
| 2312 | wlan_platform_intc_set_state(curr_interrupt_state); |
---|
| 2313 | } |
---|
| 2314 | break; |
---|
| 2315 | |
---|
| 2316 | //--------------------------------------------------------------------- |
---|
| 2317 | case CMDID_NODE_GET_STATION_INFO_LIST: { |
---|
| 2318 | // NODE_GET_STATION_INFO Packet Format: |
---|
| 2319 | // - cmd_args_32[0] - start_address of transfer //TODO: Unusued and should be removed from OTW format |
---|
| 2320 | // - cmd_args_32[1] - size of transfer (in bytes) //TODO: Unusued and should be removed from OTW format |
---|
| 2321 | // - cmd_args_32[2:3] - MAC Address (All 0xFF means all entries) |
---|
| 2322 | // |
---|
| 2323 | // Always returns a valid WLAN Exp Buffer (either 1 or more packets) |
---|
| 2324 | // - bytes_remaining - uint32 - Number of bytes remaining in the transfer |
---|
| 2325 | // - start_byte - uint32 - Byte index of the first byte in this packet |
---|
| 2326 | // - size - uint32 - Number of payload bytes in this packet |
---|
| 2327 | // - byte[] - uint8[] - Array of payload bytes |
---|
| 2328 | // |
---|
| 2329 | |
---|
| 2330 | |
---|
| 2331 | u8 mac_addr[MAC_ADDR_LEN]; |
---|
| 2332 | |
---|
| 2333 | // If unchanged, (start_entry == NULL, num_entries = 0) |
---|
| 2334 | // will result in a transport-level response that serves as an |
---|
| 2335 | // acknowledgment. |
---|
| 2336 | dl_entry* start_entry = NULL; |
---|
| 2337 | u32 num_entries = 0; |
---|
| 2338 | |
---|
| 2339 | // Convert the u32-packed MAC address into a 6-byte array |
---|
| 2340 | wlan_exp_get_mac_addr(&(cmd_args_32)[2], mac_addr); |
---|
| 2341 | |
---|
| 2342 | // These lists are highly mutable and typically small. For these reasons, |
---|
| 2343 | // we disable interrupts while retrieving them and sending them as responses. |
---|
| 2344 | interrupt_state_t curr_interrupt_state = wlan_platform_intc_stop(); |
---|
| 2345 | |
---|
| 2346 | if (wlan_addr_eq(mac_addr, zero_addr)) { |
---|
| 2347 | // Retrieve all entries |
---|
| 2348 | start_entry = station_info_get_list()->first; |
---|
| 2349 | num_entries = station_info_get_list()->length; |
---|
| 2350 | } else { |
---|
| 2351 | // Retrieve one entry |
---|
| 2352 | start_entry = (dl_entry*)station_info_find_by_addr(mac_addr, NULL); |
---|
| 2353 | if(start_entry) num_entries = 1; |
---|
| 2354 | |
---|
| 2355 | } |
---|
| 2356 | |
---|
| 2357 | if(start_entry){ |
---|
| 2358 | resp_sent = _send_list_response( eth_tx_queue_buffer, |
---|
| 2359 | start_entry, |
---|
| 2360 | num_entries, |
---|
| 2361 | 0, |
---|
| 2362 | sizeof(station_info_t) - sizeof(rate_selection_info_t) ); |
---|
| 2363 | } |
---|
| 2364 | |
---|
| 2365 | wlan_platform_intc_set_state(curr_interrupt_state); |
---|
| 2366 | |
---|
| 2367 | } |
---|
| 2368 | break; |
---|
| 2369 | |
---|
| 2370 | |
---|
| 2371 | //--------------------------------------------------------------------- |
---|
| 2372 | case CMDID_NODE_GET_NETWORK_INFO: { |
---|
| 2373 | // NODE_GET_NETWORK_INFO Packet Format: |
---|
| 2374 | // - cmd_args_32[0] - start_address of transfer |
---|
| 2375 | // - cmd_args_32[1] - size of transfer (in bytes) |
---|
| 2376 | // - cmd_args_32[2:3] - MAC Address (All 0x00 means all entries) |
---|
| 2377 | // |
---|
| 2378 | // Always returns a valid WLAN Exp Buffer (either 1 or more packets) |
---|
| 2379 | // - bytes_remaining - uint32 - Number of bytes remaining in the transfer |
---|
| 2380 | // - start_byte - uint32 - Byte index of the first byte in this packet |
---|
| 2381 | // - size - uint32 - Number of payload bytes in this packet |
---|
| 2382 | // - byte[] - uint8[] - Array of payload bytes |
---|
| 2383 | // |
---|
| 2384 | |
---|
| 2385 | u8 mac_addr[MAC_ADDR_LEN]; |
---|
| 2386 | |
---|
| 2387 | // If unchanged, (start_entry == NULL, num_entries = 0) |
---|
| 2388 | // will result in a transport-level response that serves as an |
---|
| 2389 | // acknowledgment. |
---|
| 2390 | dl_entry* start_entry = NULL; |
---|
| 2391 | u32 num_entries = 0; |
---|
| 2392 | |
---|
| 2393 | // Convert the u32-packed MAC address into a 6-byte array |
---|
| 2394 | wlan_exp_get_mac_addr(&(cmd_args_32)[2], mac_addr); |
---|
| 2395 | |
---|
| 2396 | // These lists are highly mutable and typically small. For these reasons, |
---|
| 2397 | // we disable interrupts while retrieving them and sending them as responses. |
---|
| 2398 | interrupt_state_t curr_interrupt_state = wlan_platform_intc_stop(); |
---|
| 2399 | |
---|
| 2400 | // There are a few different retrieval conditions determined by the MAC address argument |
---|
| 2401 | // in this command: |
---|
| 2402 | // 1) If the MAC Address is zero (00-00-00-00-00-00), we should retrieve the entire list |
---|
| 2403 | // of known network_info_t and return them as response packets. |
---|
| 2404 | // 2) If the MAC Address is broadcast (FF-FF-FF-FF-FF-FF) and |
---|
| 2405 | // a) the node currently has an active network, then the network_info_t that describes |
---|
| 2406 | // it should be returned as a response. |
---|
| 2407 | // b) the node currently has no active network, then a blank network_info_t should be |
---|
| 2408 | // returned as a response. |
---|
| 2409 | // 3) If the MAC address is any other address, we should search for that address within |
---|
| 2410 | // the list of known network_info_t. If it is found, we will return those network |
---|
| 2411 | // details as a response. If not, we will either return a zeroed network_info_t or |
---|
| 2412 | // blank transport-level response depending on the CMD_PARAM_COUNTS_RETURN_ZEROED_IF_NONE |
---|
| 2413 | // flag in the command arguments. |
---|
| 2414 | |
---|
| 2415 | if (wlan_addr_eq(mac_addr, zero_addr)) { |
---|
| 2416 | // For this command, and only this command, zero-valued MAC |
---|
| 2417 | // retrieve the active network info. |
---|
| 2418 | |
---|
| 2419 | // Retrieve all entries |
---|
| 2420 | start_entry = wlan_mac_high_get_network_info_list()->first; |
---|
| 2421 | num_entries = wlan_mac_high_get_network_info_list()->length; |
---|
| 2422 | |
---|
| 2423 | } else if (wlan_addr_eq(mac_addr, bcast_addr)){ |
---|
| 2424 | network_info_t* active_network_info = ((network_info_t*)wlan_exp_active_network_info_getter_callback()); |
---|
| 2425 | if(active_network_info){ |
---|
| 2426 | start_entry = (dl_entry*)wlan_mac_high_find_network_info_BSSID(active_network_info->bss_config.bssid); |
---|
| 2427 | if(start_entry) num_entries = 1; |
---|
| 2428 | } |
---|
| 2429 | } else { |
---|
| 2430 | start_entry = (dl_entry*)wlan_mac_high_find_network_info_BSSID(mac_addr); |
---|
| 2431 | if(start_entry) num_entries = 1; |
---|
| 2432 | } |
---|
| 2433 | |
---|
| 2434 | if(start_entry){ |
---|
| 2435 | resp_sent = _send_list_response( eth_tx_queue_buffer, |
---|
| 2436 | start_entry, |
---|
| 2437 | num_entries, |
---|
| 2438 | 0, |
---|
| 2439 | sizeof(network_info_t) - sizeof(dl_list) ); |
---|
| 2440 | } |
---|
| 2441 | |
---|
| 2442 | wlan_platform_intc_set_state(curr_interrupt_state); |
---|
| 2443 | |
---|
| 2444 | } |
---|
| 2445 | |
---|
| 2446 | break; |
---|
| 2447 | |
---|
| 2448 | |
---|
| 2449 | //----------------------------------------------------------------------------- |
---|
| 2450 | // Queue Commands |
---|
| 2451 | //----------------------------------------------------------------------------- |
---|
| 2452 | |
---|
| 2453 | |
---|
| 2454 | //--------------------------------------------------------------------- |
---|
| 2455 | case CMDID_QUEUE_PURGE_ALL_WIRELESS_TX: { |
---|
| 2456 | interrupt_state_t curr_interrupt_state = wlan_platform_intc_stop(); |
---|
| 2457 | wlan_exp_purge_all_wireless_tx_queue_callback(); |
---|
| 2458 | wlan_platform_intc_set_state(curr_interrupt_state); |
---|
| 2459 | } |
---|
| 2460 | break; |
---|
| 2461 | |
---|
| 2462 | |
---|
| 2463 | //----------------------------------------------------------------------------- |
---|
| 2464 | // Memory Access Commands - For developer use only |
---|
| 2465 | //----------------------------------------------------------------------------- |
---|
| 2466 | |
---|
| 2467 | |
---|
| 2468 | //--------------------------------------------------------------------- |
---|
| 2469 | case CMDID_DEV_MEM_HIGH: { |
---|
| 2470 | // FIXME: this definitely needs testing |
---|
| 2471 | // Read/write memory in CPU High |
---|
| 2472 | // |
---|
| 2473 | // Write Message format: |
---|
| 2474 | // cmd_args_32[0] Command == CMD_PARAM_WRITE_VAL |
---|
| 2475 | // cmd_args_32[1] Address |
---|
| 2476 | // cmd_args_32[2] Length (number of u32 words to write) |
---|
| 2477 | // cmd_args_32[3:] Values to write (integral number of u32 words) |
---|
| 2478 | // Response format: |
---|
| 2479 | // resp_args_32[0] Status |
---|
| 2480 | // |
---|
| 2481 | // Read Message format: |
---|
| 2482 | // cmd_args_32[0] Command == CMD_PARAM_READ_VAL |
---|
| 2483 | // cmd_args_32[1] Address |
---|
| 2484 | // cmd_args_32[2] Length (number of u32 words to read) |
---|
| 2485 | // Response format: |
---|
| 2486 | // resp_args_32[0] Status |
---|
| 2487 | // resp_args_32[1] Length (number of u32 values) |
---|
| 2488 | // resp_args_32[2:] Memory values (length u32 values) |
---|
| 2489 | // |
---|
| 2490 | u32 mem_idx; |
---|
| 2491 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 2492 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 2493 | u32 mem_addr = Xil_Ntohl(cmd_args_32[1]); |
---|
| 2494 | u32 num_words = Xil_Ntohl(cmd_args_32[2]); |
---|
| 2495 | u32 use_default_resp = WLAN_EXP_TRUE; |
---|
| 2496 | u32 max_resp_len = wlan_exp_transport_get_max_pkt_words(); |
---|
| 2497 | |
---|
| 2498 | switch (msg_cmd) { |
---|
| 2499 | case CMD_PARAM_WRITE_VAL: |
---|
| 2500 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Write CPU High Mem\n"); |
---|
| 2501 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Addr: 0x%08x\n", mem_addr); |
---|
| 2502 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Len: %d\n", num_words); |
---|
| 2503 | |
---|
| 2504 | // Don't bother if length is clearly bogus |
---|
| 2505 | if(num_words < max_resp_len) { |
---|
| 2506 | for (mem_idx = 0; mem_idx < num_words; mem_idx++) { |
---|
| 2507 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " W[%2d]: 0x%08x\n", mem_idx, Xil_Ntohl(cmd_args_32[3 + mem_idx])); |
---|
| 2508 | Xil_Out32((mem_addr + mem_idx*sizeof(u32)), Xil_Ntohl(cmd_args_32[3 + mem_idx])); |
---|
| 2509 | } |
---|
| 2510 | } else { |
---|
| 2511 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "CMDID_DEV_MEM_HIGH write longer than 1400 bytes\n"); |
---|
| 2512 | status = CMD_PARAM_ERROR; |
---|
| 2513 | } |
---|
| 2514 | break; |
---|
| 2515 | |
---|
| 2516 | case CMD_PARAM_READ_VAL: |
---|
| 2517 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Read CPU High Mem:\n"); |
---|
| 2518 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Addr: 0x%08x\n", mem_addr); |
---|
| 2519 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Len: %d\n", num_words); |
---|
| 2520 | |
---|
| 2521 | // Add payload to response |
---|
| 2522 | if(num_words < max_resp_len) { |
---|
| 2523 | |
---|
| 2524 | // Don't set the default response |
---|
| 2525 | use_default_resp = WLAN_EXP_FALSE; |
---|
| 2526 | |
---|
| 2527 | // Add length argument to response |
---|
| 2528 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 2529 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, num_words); |
---|
| 2530 | |
---|
| 2531 | for (mem_idx = 0; mem_idx < num_words; mem_idx++) { |
---|
| 2532 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, Xil_In32((u32)((void*)(mem_addr) + mem_idx*sizeof(u32)))); |
---|
| 2533 | } |
---|
| 2534 | } else { |
---|
| 2535 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "CMDID_DEV_MEM_HIGH read longer than 1400 bytes\n"); |
---|
| 2536 | status = CMD_PARAM_ERROR; |
---|
| 2537 | } |
---|
| 2538 | break; |
---|
| 2539 | |
---|
| 2540 | default: |
---|
| 2541 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown command for 0x%6x: %d\n", cmd_id, msg_cmd); |
---|
| 2542 | status = CMD_PARAM_ERROR; |
---|
| 2543 | break; |
---|
| 2544 | } |
---|
| 2545 | |
---|
| 2546 | if (use_default_resp) { |
---|
| 2547 | // Send default response |
---|
| 2548 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 2549 | } |
---|
| 2550 | } |
---|
| 2551 | break; |
---|
| 2552 | |
---|
| 2553 | |
---|
| 2554 | //--------------------------------------------------------------------- |
---|
| 2555 | case CMDID_DEV_MEM_LOW: { |
---|
| 2556 | // Read/write memory in CPU Low via IPC message |
---|
| 2557 | // |
---|
| 2558 | // Write Message format: |
---|
| 2559 | // cmd_args_32[0] Command == CMD_PARAM_WRITE_VAL |
---|
| 2560 | // cmd_args_32[1] Address |
---|
| 2561 | // cmd_args_32[2] Length (number of u32 words to write) |
---|
| 2562 | // cmd_args_32[3:] Values to write (integral number of u32 words) |
---|
| 2563 | // Response format: |
---|
| 2564 | // resp_args_32[0] Status |
---|
| 2565 | // |
---|
| 2566 | // Read Message format: |
---|
| 2567 | // cmd_args_32[0] Command == CMD_PARAM_READ_VAL |
---|
| 2568 | // cmd_args_32[1] Address |
---|
| 2569 | // cmd_args_32[2] Length (number of u32 words to read) |
---|
| 2570 | // Response format: |
---|
| 2571 | // resp_args_32[0] Status |
---|
| 2572 | // resp_args_32[1] Length (number of u32 values) |
---|
| 2573 | // resp_args_32[2:] Memory values (length u32 values) |
---|
| 2574 | // |
---|
| 2575 | u32 mem_idx; |
---|
| 2576 | int mem_status; |
---|
| 2577 | u32 status = CMD_PARAM_SUCCESS; |
---|
| 2578 | u32 msg_cmd = Xil_Ntohl(cmd_args_32[0]); |
---|
| 2579 | u32 mem_addr = Xil_Ntohl(cmd_args_32[1]); |
---|
| 2580 | u32 num_words = Xil_Ntohl(cmd_args_32[2]); |
---|
| 2581 | u32 use_default_resp = WLAN_EXP_TRUE; |
---|
| 2582 | u32 max_resp_len = wlan_exp_transport_get_max_pkt_words(); |
---|
| 2583 | u32* resp_args_32; |
---|
| 2584 | |
---|
| 2585 | switch (msg_cmd) { |
---|
| 2586 | case CMD_PARAM_WRITE_VAL: |
---|
| 2587 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Write CPU Low Mem:\n"); |
---|
| 2588 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Addr: 0x%08x\n", mem_addr); |
---|
| 2589 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Len: %d\n", num_words); |
---|
| 2590 | |
---|
| 2591 | // Don't bother if length is clearly bogus |
---|
| 2592 | if(num_words < max_resp_len) { |
---|
| 2593 | // Endian swap payload here - CPU Low requires payload that is ready to use as-is |
---|
| 2594 | for (mem_idx = 0; mem_idx < num_words+2; mem_idx++) { |
---|
| 2595 | cmd_args_32[1 + mem_idx] = Xil_Ntohl(cmd_args_32[1 + mem_idx]); |
---|
| 2596 | } |
---|
| 2597 | |
---|
| 2598 | mem_status = wlan_mac_high_write_low_mem(num_words + 2, &(cmd_args_32[1])); |
---|
| 2599 | |
---|
| 2600 | if (mem_status == -1) { |
---|
| 2601 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "CMDID_DEV_MEM_LOW write failed\n"); |
---|
| 2602 | status = CMD_PARAM_ERROR; |
---|
| 2603 | } |
---|
| 2604 | } else { |
---|
| 2605 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "CMDID_DEV_MEM_LOW write longer than 1400 bytes\n"); |
---|
| 2606 | status = CMD_PARAM_ERROR; |
---|
| 2607 | } |
---|
| 2608 | break; |
---|
| 2609 | |
---|
| 2610 | case CMD_PARAM_READ_VAL: |
---|
| 2611 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, "Read CPU Low Mem:\n"); |
---|
| 2612 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Addr: 0x%08x\n", mem_addr); |
---|
| 2613 | wlan_exp_printf(WLAN_EXP_PRINT_INFO, print_type_node, " Len: %d\n", num_words); |
---|
| 2614 | |
---|
| 2615 | #define _CMDID_DEV_MEM_LOW_NUM_RESP_ARGS 2 |
---|
| 2616 | |
---|
| 2617 | if(num_words < max_resp_len) { |
---|
| 2618 | resp_args_32 = (u32*)(eth_tx_queue_buffer->seg0 + eth_tx_queue_buffer->seg0_len + (_CMDID_DEV_MEM_LOW_NUM_RESP_ARGS*sizeof(u32))); |
---|
| 2619 | mem_status = wlan_mac_high_read_low_mem(num_words, mem_addr, resp_args_32); |
---|
| 2620 | |
---|
| 2621 | if(mem_status == 0) { //Success |
---|
| 2622 | // Don't set the default response |
---|
| 2623 | use_default_resp = WLAN_EXP_FALSE; |
---|
| 2624 | |
---|
| 2625 | // Add length argument to response |
---|
| 2626 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 2627 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, num_words); |
---|
| 2628 | |
---|
| 2629 | // Endian swap payload returned by CPU Low |
---|
| 2630 | for (mem_idx = 0; mem_idx < num_words; mem_idx++) { |
---|
| 2631 | //The packet payload already contains the data we need, but we'll add it word-by-word |
---|
| 2632 | // in order to get the proper network order and update header values. |
---|
| 2633 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, resp_args_32[mem_idx]); |
---|
| 2634 | } |
---|
| 2635 | } else { //failed |
---|
| 2636 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "CMDID_DEV_MEM_LOW read failed\n"); |
---|
| 2637 | status = CMD_PARAM_ERROR; |
---|
| 2638 | } |
---|
| 2639 | } else { |
---|
| 2640 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "CMDID_DEV_MEM_LOW read longer than 1400 bytes\n"); |
---|
| 2641 | status = CMD_PARAM_ERROR; |
---|
| 2642 | } |
---|
| 2643 | break; |
---|
| 2644 | |
---|
| 2645 | default: |
---|
| 2646 | wlan_exp_printf(WLAN_EXP_PRINT_ERROR, print_type_node, "Unknown command for 0x%6x: %d\n", cmd_id, msg_cmd); |
---|
| 2647 | status = CMD_PARAM_ERROR; |
---|
| 2648 | break; |
---|
| 2649 | } |
---|
| 2650 | |
---|
| 2651 | if (use_default_resp) { |
---|
| 2652 | // Send default response |
---|
| 2653 | wlan_exp_add_u32_resp_arg(eth_tx_queue_buffer, resp_hdr, status); |
---|
| 2654 | } |
---|
| 2655 | } |
---|
| 2656 | break; |
---|
| 2657 | |
---|
| 2658 | |
---|
| 2659 | //----------------------------------------------------------------------------- |
---|
| 2660 | // Child Commands |
---|
| 2661 | //----------------------------------------------------------------------------- |
---|
| 2662 | |
---|
| 2663 | |
---|
| 2664 | //--------------------------------------------------------------------- |
---|
| 2665 | default: { |
---|
| 2666 | u8 cmd_processed; |
---|
| 2667 | |
---|
| 2668 | // Call function in platform code |
---|
| 2669 | resp_sent = wlan_platform_wlan_exp_process_node_cmd(cmd_hdr, eth_tx_queue_buffer, &cmd_processed); |
---|
| 2670 | |
---|
| 2671 | if(cmd_processed == 0){ |
---|
| 2672 | // If platform code did not deal with this command, then |
---|
| 2673 | // call standard function in child class to parse parameters implemented there |
---|
| 2674 | resp_sent = wlan_exp_process_node_cmd_callback(cmd_hdr, eth_tx_queue_buffer); |
---|
| 2675 | } |
---|
| 2676 | } |
---|
| 2677 | break; |
---|
| 2678 | } |
---|
| 2679 | |
---|
| 2680 | return resp_sent; |
---|
| 2681 | } |
---|
| 2682 | |
---|
| 2683 | |
---|
| 2684 | |
---|
| 2685 | |
---|
| 2686 | /*****************************************************************************/ |
---|
| 2687 | /** |
---|
| 2688 | * @brief Send a doubly linked list as a response |
---|
| 2689 | * |
---|
| 2690 | * This function will send one or more response packets to retrieve data from a |
---|
| 2691 | * doubly-linked list. Each response packet contains 5 u32 arguments followed by |
---|
| 2692 | * raw payload containing the list data. |
---|
| 2693 | * |
---|
| 2694 | * resp_args_32[0] Number of bytes remaining, not including the bytes in this packet. |
---|
| 2695 | * resp_args_32[1] Starting byte index of list data in this packet |
---|
| 2696 | * resp_args_32[2] Number of bytes of list payload contained in this packet |
---|
| 2697 | * resp_args_32[3] Retrieval timestamp (least significant bytes) |
---|
| 2698 | * resp_arts_32[4] Retrieval timestamp (most significant bytes) |
---|
| 2699 | * |
---|
| 2700 | * @param first_eth_tx_queue_buffer - framework's pre-created first response packet |
---|
| 2701 | * @param start_entry - first entry in the list to be copied |
---|
| 2702 | * @param num_entries - number of entries from the list to send |
---|
| 2703 | * @param offset_per_entry - how far into each entry the copy should begin (to avoid unwanted header fields) |
---|
| 2704 | * @param size_per_entry - how many bytes to send from each entry (allows avoiding unwanted footer fields) |
---|
| 2705 | * |
---|
| 2706 | * @return NO_RESP_SENT |
---|
| 2707 | * RESP_SENT |
---|
| 2708 | * |
---|
| 2709 | *****************************************************************************/ |
---|
| 2710 | u32 _send_list_response( eth_tx_queue_buffer_t* first_eth_tx_queue_buffer, dl_entry* start_entry, u32 num_entries, u32 offset_per_entry, u32 size_per_entry ){ |
---|
| 2711 | u32 resp_sent = 0; |
---|
| 2712 | u32 max_bytes_per_pkt; |
---|
| 2713 | u32 num_pkts; |
---|
| 2714 | u32 total_num_bytes; |
---|
| 2715 | u32 pkt_idx; |
---|
| 2716 | u32 curr_index; |
---|
| 2717 | u32 sent_bytes; |
---|
| 2718 | u32 next_index; |
---|
| 2719 | u32 transfer_length; |
---|
| 2720 | u32 num_bytes; |
---|
| 2721 | interrupt_state_t prev_interrupt_state; |
---|
| 2722 | dl_entry* tmp_entry; |
---|
| 2723 | cmd_resp_hdr_t* curr_cmd_resp_hdr; |
---|
| 2724 | dl_entry* curr_entry; |
---|
| 2725 | dl_entry* end_entry; |
---|
| 2726 | u32 max_num_entries_per_pkt; |
---|
| 2727 | eth_tx_queue_buffer_t* curr_eth_tx_queue_buffer; |
---|
| 2728 | eth_tx_queue_buffer_t* next_eth_tx_queue_buffer; |
---|
| 2729 | u64 retrieval_timestamp; |
---|
| 2730 | |
---|
| 2731 | retrieval_timestamp = get_system_time_usec(); |
---|
| 2732 | |
---|
| 2733 | #define _LIST_NUM_RESP_ARGS 5 |
---|
| 2734 | |
---|
| 2735 | u32 max_resp_len = wlan_exp_transport_get_max_pkt_words(); |
---|
| 2736 | |
---|
| 2737 | total_num_bytes = size_per_entry * num_entries; |
---|
| 2738 | |
---|
| 2739 | // Sanity check pointer arguments |
---|
| 2740 | if( (first_eth_tx_queue_buffer == NULL) || (start_entry == NULL) || (total_num_bytes == 0) ){ |
---|
| 2741 | return resp_sent; |
---|
| 2742 | } |
---|
| 2743 | |
---|
| 2744 | next_eth_tx_queue_buffer = first_eth_tx_queue_buffer; |
---|
| 2745 | curr_entry = start_entry; |
---|
| 2746 | |
---|
| 2747 | // First, we subtract the bytes that must be used for the list retrieval header |
---|
| 2748 | max_bytes_per_pkt = ((max_resp_len) * 4) - (_LIST_NUM_RESP_ARGS * sizeof(u32)); |
---|
| 2749 | |
---|
| 2750 | // Integer division will properly floor the result so we can determine the largest |
---|
| 2751 | // number of full entries that can be packed into a packet. |
---|
| 2752 | max_num_entries_per_pkt = max_bytes_per_pkt / size_per_entry; |
---|
| 2753 | |
---|
| 2754 | // Update the maximum number of bytes to reflect an integer number of entries |
---|
| 2755 | max_bytes_per_pkt = max_num_entries_per_pkt * size_per_entry; |
---|
| 2756 | |
---|
| 2757 | num_pkts = total_num_bytes/max_bytes_per_pkt; |
---|
| 2758 | if((num_pkts * max_bytes_per_pkt) < total_num_bytes) num_pkts++; |
---|
| 2759 | |
---|
| 2760 | // We are going to be copying the header contents of the first response packet to all |
---|
| 2761 | // subsequent response packets. Normally this is filled in at the time of sending, |
---|
| 2762 | // but there's no point in repeating that code for every packet. Instead, we'll fill it |
---|
| 2763 | // in early and skip the operation at the time of sending. |
---|
| 2764 | wlan_exp_transport_fill_headers_response(first_eth_tx_queue_buffer); |
---|
| 2765 | |
---|
| 2766 | curr_index = 0; |
---|
| 2767 | sent_bytes = 0; |
---|
| 2768 | |
---|
| 2769 | for (pkt_idx = 0; pkt_idx < num_pkts; pkt_idx++) { |
---|
| 2770 | |
---|
| 2771 | curr_eth_tx_queue_buffer = next_eth_tx_queue_buffer; |
---|
| 2772 | next_eth_tx_queue_buffer = NULL; |
---|
| 2773 | |
---|
| 2774 | if( pkt_idx != (num_pkts-1) ){ |
---|
| 2775 | |
---|
| 2776 | prev_interrupt_state = wlan_platform_intc_stop(); |
---|
| 2777 | do{ |
---|
| 2778 | tmp_entry = queue_checkout(); |
---|
| 2779 | if(tmp_entry == NULL){ |
---|
| 2780 | // There are no free queue entries to handle this Tx. We don't have a way |
---|
| 2781 | // of sending less than we are instructed, so we need to block until some |
---|
| 2782 | // are freed up. This is made more complicated by the fact that we just |
---|
| 2783 | // disabled interrupts since we are modifying dl_list. If an interrupt context |
---|
| 2784 | // is going to free up a queue for us to use, we need to allow it to do so. |
---|
| 2785 | // We'll briefly toggle interrupts so we can deal with any ISRs and get |
---|
| 2786 | // back to this context to try again. |
---|
| 2787 | |
---|
| 2788 | // If this is happening a lot, we need to increase the total number of queue |
---|
| 2789 | // entries or reduce their usage elsewhere. The intent is for this to rarely |
---|
| 2790 | // occur. |
---|
| 2791 | |
---|
| 2792 | wlan_platform_intc_set_state(INTERRUPTS_ENABLED); |
---|
| 2793 | wlan_usleep(1); |
---|
| 2794 | wlan_platform_intc_stop(); |
---|
| 2795 | } |
---|
| 2796 | } while(tmp_entry == NULL); |
---|
| 2797 | |
---|
| 2798 | wlan_platform_intc_set_state(prev_interrupt_state); |
---|
| 2799 | |
---|
| 2800 | // The queue for outgoing wlan_exp transmissions is limited |
---|
| 2801 | // to WLAN_EXP_MAX_QUEUE_LEN packets. If this queue is full, |
---|
| 2802 | // subsequent packets will be dropped. This behavior is bad |
---|
| 2803 | // for log and list retrieval since we could run into this |
---|
| 2804 | // limit when returning a large amount of data. However, |
---|
| 2805 | // disabling this limit is also not a good behavior -- the |
---|
| 2806 | // intention is that wlan_exp cannot exhause queue entries |
---|
| 2807 | // needed for other critical operations. So, instead, we'll |
---|
| 2808 | // leave the limit in place and only proceed when we are sure |
---|
| 2809 | // that the entry just checked out above will have a place |
---|
| 2810 | // to go. Note: we give a little extra padding on |
---|
| 2811 | // WLAN_EXP_MAX_QUEUE_LEN in case the wlan_exp transport steals |
---|
| 2812 | // spots in the queue out from underneath us (e.g. ARP and ping |
---|
| 2813 | // replies) |
---|
| 2814 | while( wlan_exp_get_tx_queue_length() > (WLAN_EXP_MAX_QUEUE_LEN-5) ){ |
---|
| 2815 | wlan_platform_intc_set_state(INTERRUPTS_ENABLED); |
---|
| 2816 | wlan_usleep(1); |
---|
| 2817 | wlan_platform_intc_set_state(prev_interrupt_state); |
---|
| 2818 | } |
---|
| 2819 | |
---|
| 2820 | next_eth_tx_queue_buffer = (eth_tx_queue_buffer_t*)tmp_entry->data; |
---|
| 2821 | |
---|
| 2822 | // For all packets except the last in the array, we will start |
---|
| 2823 | // a CDMA copy of wlan_exp_transport_header from the current packet |
---|
| 2824 | // into the next. This will implicitly block if for some reason we run |
---|
| 2825 | // into the CDMA still running from the previous loop (not likely). |
---|
| 2826 | |
---|
| 2827 | // |
---|
| 2828 | wlan_mac_high_cdma_start_transfer(next_eth_tx_queue_buffer->seg0, |
---|
| 2829 | curr_eth_tx_queue_buffer->seg0, |
---|
| 2830 | curr_eth_tx_queue_buffer->seg0_len); |
---|
| 2831 | |
---|
| 2832 | // Update the length of the buffer |
---|
| 2833 | next_eth_tx_queue_buffer->seg0_len = curr_eth_tx_queue_buffer->seg0_len; |
---|
| 2834 | next_eth_tx_queue_buffer->seg1_len = 0; |
---|
| 2835 | } |
---|
| 2836 | |
---|
| 2837 | transfer_length = WLAN_MIN( total_num_bytes-sent_bytes, |
---|
| 2838 | max_bytes_per_pkt ); |
---|
| 2839 | |
---|
| 2840 | next_index = curr_index + transfer_length; |
---|
| 2841 | |
---|
| 2842 | curr_cmd_resp_hdr = (cmd_resp_hdr_t*)(curr_eth_tx_queue_buffer->seg0 |
---|
| 2843 | + curr_eth_tx_queue_buffer->seg0_len |
---|
| 2844 | - sizeof(cmd_resp_hdr_t)); |
---|
| 2845 | |
---|
| 2846 | num_bytes = dl_list_copy_data(curr_eth_tx_queue_buffer->seg0 + curr_eth_tx_queue_buffer->seg0_len + (_LIST_NUM_RESP_ARGS*sizeof(u32)), |
---|
| 2847 | curr_entry, |
---|
| 2848 | &end_entry, |
---|
| 2849 | transfer_length/size_per_entry, |
---|
| 2850 | offset_per_entry, |
---|
| 2851 | size_per_entry); |
---|
| 2852 | |
---|
| 2853 | if (num_bytes > 0){ |
---|
| 2854 | // 2) If the num_bytes was less than what we expected, but still non-zero, this is an edge condition where the list |
---|
| 2855 | // was smaller than anticipated and this is the last packet we need to send. |
---|
| 2856 | curr_cmd_resp_hdr->length += num_bytes; |
---|
| 2857 | curr_eth_tx_queue_buffer->seg0_len += num_bytes; |
---|
| 2858 | |
---|
| 2859 | wlan_exp_add_u32_resp_arg(curr_eth_tx_queue_buffer, curr_cmd_resp_hdr, total_num_bytes-sent_bytes); |
---|
| 2860 | wlan_exp_add_u32_resp_arg(curr_eth_tx_queue_buffer, curr_cmd_resp_hdr, curr_index); |
---|
| 2861 | wlan_exp_add_u32_resp_arg(curr_eth_tx_queue_buffer, curr_cmd_resp_hdr, num_bytes); |
---|
| 2862 | wlan_exp_add_u32_resp_arg(curr_eth_tx_queue_buffer, curr_cmd_resp_hdr, retrieval_timestamp & 0xFFFFFFFF); |
---|
| 2863 | wlan_exp_add_u32_resp_arg(curr_eth_tx_queue_buffer, curr_cmd_resp_hdr, (retrieval_timestamp >> 32) & 0xFFFFFFFF); |
---|
| 2864 | |
---|
| 2865 | // Send the packet as a response |
---|
| 2866 | _send_response(curr_cmd_resp_hdr, curr_eth_tx_queue_buffer, 0); |
---|
| 2867 | resp_sent = RESP_SENT; |
---|
| 2868 | } |
---|
| 2869 | |
---|
| 2870 | if (num_bytes < transfer_length){ |
---|
| 2871 | // There wasn't enough log data to fill this full packet like we expected. If this isn't the last packet |
---|
| 2872 | // we intended to send, we need to free the next packet queue buffer since we aren't going to use it. |
---|
| 2873 | if (next_eth_tx_queue_buffer){ |
---|
| 2874 | wlan_mac_high_cdma_finish_transfer(); // Finish the previous CDMA operation into the next packet queue buffer |
---|
| 2875 | queue_checkin(next_eth_tx_queue_buffer->pyld_queue_hdr.dle); |
---|
| 2876 | } |
---|
| 2877 | break; |
---|
| 2878 | } |
---|
| 2879 | |
---|
| 2880 | // Update our current address and bytes remaining |
---|
| 2881 | curr_index = next_index; |
---|
| 2882 | sent_bytes += transfer_length; |
---|
| 2883 | |
---|
| 2884 | curr_entry = NULL; |
---|
| 2885 | if(end_entry) curr_entry = dl_entry_next(end_entry); |
---|
| 2886 | |
---|
| 2887 | if(curr_entry == NULL){ |
---|
| 2888 | break; |
---|
| 2889 | } |
---|
| 2890 | |
---|
| 2891 | } |
---|
| 2892 | |
---|
| 2893 | return resp_sent; |
---|
| 2894 | } |
---|
| 2895 | |
---|
| 2896 | #if WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 2897 | /*****************************************************************************/ |
---|
| 2898 | /** |
---|
| 2899 | * @brief Send log data |
---|
| 2900 | * |
---|
| 2901 | * This function will send one or more response packets to retrieve data from a |
---|
| 2902 | * the event log. Each response packet contains 3 u32 arguments followed by |
---|
| 2903 | * raw payload containing the log data. |
---|
| 2904 | * |
---|
| 2905 | * resp_args_32[0] Number of bytes remaining, not including the bytes in this packet. |
---|
| 2906 | * resp_args_32[1] Starting byte index of log data in this packet |
---|
| 2907 | * resp_args_32[2] Number of bytes of log payload contained in this packet |
---|
| 2908 | * |
---|
| 2909 | * @param first_eth_tx_queue_buffer - framework's pre-created first response packet |
---|
| 2910 | * @param start_index - byte index in log where to start the retrieval |
---|
| 2911 | * @param total_num_bytes - number of entries from the list to send |
---|
| 2912 | * |
---|
| 2913 | * @return NO_RESP_SENT |
---|
| 2914 | * RESP_SENT |
---|
| 2915 | * |
---|
| 2916 | *****************************************************************************/ |
---|
| 2917 | u32 _transfer_log_data(eth_tx_queue_buffer_t* first_eth_tx_queue_buffer, u32 start_index, u32 total_num_bytes) { |
---|
| 2918 | |
---|
| 2919 | #define LOG_TRANSFER_NUM_PKT_BURST 6 |
---|
| 2920 | |
---|
| 2921 | u32 resp_sent = 0; |
---|
| 2922 | int num_pkts; // must be signed, for defined behavior with (num_pkts-2) below |
---|
| 2923 | u32 curr_index; |
---|
| 2924 | u32 next_index; |
---|
| 2925 | u32 sent_bytes; |
---|
| 2926 | u32 max_bytes_per_pkt; |
---|
| 2927 | u32 transfer_length; |
---|
| 2928 | int pkt_idx; |
---|
| 2929 | u32 num_bytes; |
---|
| 2930 | dl_entry* tmp_queue_entry; |
---|
| 2931 | cmd_resp_hdr_t* curr_cmd_resp_hdr; |
---|
| 2932 | interrupt_state_t prev_interrupt_state; |
---|
| 2933 | |
---|
| 2934 | eth_tx_queue_buffer_t* curr_eth_tx_queue_buffer = NULL; |
---|
| 2935 | eth_tx_queue_buffer_t* next_eth_tx_queue_buffer = NULL; |
---|
| 2936 | eth_tx_queue_buffer_t* last_pkt_queue_buffer = NULL; |
---|
| 2937 | u32 resp_args_offset; |
---|
| 2938 | volatile u32* resp_args_32; |
---|
| 2939 | |
---|
| 2940 | #define _LOG_NUM_RESP_ARGS 3 |
---|
| 2941 | |
---|
| 2942 | u32 max_resp_len = wlan_exp_transport_get_max_pkt_words(); |
---|
| 2943 | |
---|
| 2944 | // Sanity check pointer arguments |
---|
| 2945 | if( (first_eth_tx_queue_buffer == NULL) || (total_num_bytes == 0) ){ |
---|
| 2946 | return resp_sent; |
---|
| 2947 | } |
---|
| 2948 | |
---|
| 2949 | // Once we start adding arguments, seg0_len will encompass |
---|
| 2950 | // those arguments. Before we do anything else, we'll save |
---|
| 2951 | // away this value so we can always find where to place |
---|
| 2952 | // response arguments in subsequent packets where seg0_len |
---|
| 2953 | // has changed. |
---|
| 2954 | resp_args_offset = first_eth_tx_queue_buffer->seg0_len; |
---|
| 2955 | |
---|
| 2956 | // The 0 here is a reminder that any bytes dedicated as a retrieval header |
---|
| 2957 | // need to be accounted for as part of the response length. |
---|
| 2958 | max_bytes_per_pkt = ((max_resp_len) * 4) - (_LOG_NUM_RESP_ARGS * sizeof(u32)); |
---|
| 2959 | |
---|
| 2960 | num_pkts = total_num_bytes/max_bytes_per_pkt; |
---|
| 2961 | if((num_pkts * max_bytes_per_pkt) < total_num_bytes) num_pkts++; |
---|
| 2962 | |
---|
| 2963 | // Set the first pointer to the provided argument |
---|
| 2964 | next_eth_tx_queue_buffer = first_eth_tx_queue_buffer; |
---|
| 2965 | |
---|
| 2966 | // The log subsystem uses "index" to refer to byte offsets relative to the base of |
---|
| 2967 | // the log data memory block. In this context: |
---|
| 2968 | // size: the number of log data bytes requested by the host |
---|
| 2969 | // start_index: index of first log data byte requested by the host |
---|
| 2970 | // end_index: index of the log data byte immediately after the last log data byte requested by the host |
---|
| 2971 | // (thus the log data byte at end_index will not be transmitted to the host in this context) |
---|
| 2972 | curr_index = start_index; |
---|
| 2973 | sent_bytes = 0; |
---|
| 2974 | |
---|
| 2975 | // We are going to be copying the header contents of the first response packet to all |
---|
| 2976 | // subsequent response packets. Normally this is filled in at the time of sending, |
---|
| 2977 | // but there's no point in repeating that code for every packet. Instead, we'll fill it |
---|
| 2978 | // in early and skip the operation at the time of sending. |
---|
| 2979 | wlan_exp_transport_fill_headers_response(first_eth_tx_queue_buffer); |
---|
| 2980 | |
---|
| 2981 | if(num_pkts > 1) { |
---|
| 2982 | // Check out a queue buffer to use a temporary scratch space that can be accessed |
---|
| 2983 | // by the CDMA |
---|
| 2984 | prev_interrupt_state = wlan_platform_intc_stop(); |
---|
| 2985 | |
---|
| 2986 | do{ |
---|
| 2987 | tmp_queue_entry = queue_checkout(); |
---|
| 2988 | if(tmp_queue_entry == NULL){ |
---|
| 2989 | |
---|
| 2990 | // There are no free queue entries to handle this Tx. We don't have a way |
---|
| 2991 | // of sending less than we are instructed, so we need to block until some |
---|
| 2992 | // are freed up. This is made more complicated by the fact that we just |
---|
| 2993 | // disabled interrupts since we are modifying dl_list. If an interrupt context |
---|
| 2994 | // is going to free up a queue for us to use, we need to allow it to do so. |
---|
| 2995 | // We'll briefly toggle interrupts so we can deal with any ISRs and get |
---|
| 2996 | // back to this context to try again. |
---|
| 2997 | |
---|
| 2998 | // If this is happening a lot, we need to increase the total number of queue |
---|
| 2999 | // entries or reduce their usage elsewhere. The intent is for this to rarely |
---|
| 3000 | // occur. |
---|
| 3001 | |
---|
| 3002 | wlan_platform_intc_set_state(INTERRUPTS_ENABLED); |
---|
| 3003 | wlan_usleep(1); |
---|
| 3004 | wlan_platform_intc_stop(); |
---|
| 3005 | } |
---|
| 3006 | } while(tmp_queue_entry == NULL); |
---|
| 3007 | |
---|
| 3008 | wlan_platform_intc_set_state(prev_interrupt_state); |
---|
| 3009 | |
---|
| 3010 | last_pkt_queue_buffer = (eth_tx_queue_buffer_t*)(tmp_queue_entry->data); |
---|
| 3011 | |
---|
| 3012 | // Copy the headers from the first packet into the last packet |
---|
| 3013 | // Headers for any intermediate packets will be copied inside the for loop below |
---|
| 3014 | last_pkt_queue_buffer->seg0_len = first_eth_tx_queue_buffer->seg0_len; |
---|
| 3015 | last_pkt_queue_buffer->seg1_len = 0; |
---|
| 3016 | wlan_mac_high_cdma_start_transfer(last_pkt_queue_buffer->seg0, |
---|
| 3017 | first_eth_tx_queue_buffer->seg0, |
---|
| 3018 | first_eth_tx_queue_buffer->seg0_len); |
---|
| 3019 | } else { |
---|
| 3020 | last_pkt_queue_buffer = NULL; |
---|
| 3021 | } |
---|
| 3022 | |
---|
| 3023 | |
---|
| 3024 | // We are going to temporarily disable the wlan_exp Eth Tx software |
---|
| 3025 | // interrupt in order to minimize the number of context switches |
---|
| 3026 | wlan_platform_clear_sw_intr_mask(SW_INTR_ID_WLAN_EXP_ETH_TX); |
---|
| 3027 | |
---|
| 3028 | for (pkt_idx = 0; pkt_idx < num_pkts; pkt_idx++) { |
---|
| 3029 | |
---|
| 3030 | if((num_pkts >= 2) && (pkt_idx == (num_pkts - 1))) { |
---|
| 3031 | // The last packet queue buffer was allocated and initialized above this loop |
---|
| 3032 | curr_eth_tx_queue_buffer = last_pkt_queue_buffer; |
---|
| 3033 | } else { |
---|
| 3034 | // next_eth_tx_queue_buffer was initialized above this loop, then updated |
---|
| 3035 | // in previous iterations of this loop. This assignment must be used for all |
---|
| 3036 | // packets except the last packet in a multi-packet response |
---|
| 3037 | curr_eth_tx_queue_buffer = next_eth_tx_queue_buffer; |
---|
| 3038 | } |
---|
| 3039 | |
---|
| 3040 | // Reset the next_ pointer, will be updated below if this is not the last iteration |
---|
| 3041 | next_eth_tx_queue_buffer = NULL; |
---|
| 3042 | |
---|
| 3043 | // Allocate a queue buffer for the next packet, unless the next packet is the last packet |
---|
| 3044 | if( (num_pkts >= 3) && (pkt_idx < (num_pkts-2))) { |
---|
| 3045 | |
---|
| 3046 | prev_interrupt_state = wlan_platform_intc_stop(); |
---|
| 3047 | |
---|
| 3048 | do{ |
---|
| 3049 | tmp_queue_entry = queue_checkout(); |
---|
| 3050 | if(tmp_queue_entry == NULL){ |
---|
| 3051 | |
---|
| 3052 | // There are no free queue entries to handle this Tx. We don't have a way |
---|
| 3053 | // of sending less than we are instructed, so we need to block until some |
---|
| 3054 | // are freed up. This is made more complicated by the fact that we just |
---|
| 3055 | // disabled interrupts since we are modifying dl_list. If an interrupt context |
---|
| 3056 | // is going to free up a queue for us to use, we need to allow it to do so. |
---|
| 3057 | // We'll briefly toggle interrupts so we can deal with any ISRs and get |
---|
| 3058 | // back to this context to try again. |
---|
| 3059 | |
---|
| 3060 | // If this is happening a lot, we need to increase the total number of queue |
---|
| 3061 | // entries or reduce their usage elsewhere. The intent is for this to rarely |
---|
| 3062 | // occur. |
---|
| 3063 | |
---|
| 3064 | wlan_platform_intc_set_state(INTERRUPTS_ENABLED); |
---|
| 3065 | wlan_usleep(1); |
---|
| 3066 | wlan_platform_intc_stop(); |
---|
| 3067 | } |
---|
| 3068 | } while(tmp_queue_entry == NULL); |
---|
| 3069 | |
---|
| 3070 | wlan_platform_intc_set_state(prev_interrupt_state); |
---|
| 3071 | |
---|
| 3072 | // The queue for outgoing wlan_exp transmissions is limited |
---|
| 3073 | // to WLAN_EXP_MAX_QUEUE_LEN packets. If this queue is full, |
---|
| 3074 | // subsequent packets will be dropped. This behavior is bad |
---|
| 3075 | // for log and list retrieval since we could run into this |
---|
| 3076 | // limit when returning a large amount of data. However, |
---|
| 3077 | // disabling this limit is also not a good behavior -- the |
---|
| 3078 | // intention is that wlan_exp cannot exhause queue entries |
---|
| 3079 | // needed for other critical operations. So, instead, we'll |
---|
| 3080 | // leave the limit in place and only proceed when we are sure |
---|
| 3081 | // that the entry just checked out above will have a place |
---|
| 3082 | // to go. Note: we give a little extra padding on |
---|
| 3083 | // WLAN_EXP_MAX_QUEUE_LEN in case the wlan_exp transport steals |
---|
| 3084 | // spots in the queue out from underneath us (e.g. ARP and ping |
---|
| 3085 | // replies) |
---|
| 3086 | while( wlan_exp_get_tx_queue_length() > (WLAN_EXP_MAX_QUEUE_LEN-5) ){ |
---|
| 3087 | wlan_platform_intc_set_state(INTERRUPTS_ENABLED); |
---|
| 3088 | wlan_usleep(1); |
---|
| 3089 | wlan_platform_intc_set_state(prev_interrupt_state); |
---|
| 3090 | } |
---|
| 3091 | |
---|
| 3092 | next_eth_tx_queue_buffer = (eth_tx_queue_buffer_t*)tmp_queue_entry->data; |
---|
| 3093 | |
---|
| 3094 | |
---|
| 3095 | // For all packets except the last in the array, we will start |
---|
| 3096 | // a CDMA copy of wlan_exp_transport_header from the current packet |
---|
| 3097 | // into the next. This will implicitly block if for some reason we run |
---|
| 3098 | // into the CDMA still running from the previous loop (not likely). |
---|
| 3099 | |
---|
| 3100 | } |
---|
| 3101 | |
---|
| 3102 | transfer_length = WLAN_MIN( total_num_bytes-sent_bytes, |
---|
| 3103 | max_bytes_per_pkt ); |
---|
| 3104 | |
---|
| 3105 | next_index = curr_index + transfer_length; |
---|
| 3106 | |
---|
| 3107 | // Set up cmd_resp_hdr_t |
---|
| 3108 | curr_cmd_resp_hdr = (cmd_resp_hdr_t*)(curr_eth_tx_queue_buffer->seg0 |
---|
| 3109 | + curr_eth_tx_queue_buffer->seg0_len |
---|
| 3110 | - sizeof(cmd_resp_hdr_t)); |
---|
| 3111 | |
---|
| 3112 | num_bytes = event_log_get_data(curr_index, transfer_length, &(curr_eth_tx_queue_buffer->seg1_addr)); |
---|
| 3113 | |
---|
| 3114 | if (num_bytes > 0){ |
---|
| 3115 | wlan_mac_high_cdma_finish_transfer(); // If the previous iteration of the loop is still copying |
---|
| 3116 | // bytes into this current queue buffer, we need to wait |
---|
| 3117 | // for it to complete. |
---|
| 3118 | |
---|
| 3119 | |
---|
| 3120 | curr_eth_tx_queue_buffer->seg1_len = num_bytes; |
---|
| 3121 | |
---|
| 3122 | resp_args_32 = (u32*)(curr_eth_tx_queue_buffer->seg0 + resp_args_offset); |
---|
| 3123 | |
---|
| 3124 | //Arg 0: Number of bytes remaining |
---|
| 3125 | resp_args_32[0] = Xil_Htonl(total_num_bytes-sent_bytes); |
---|
| 3126 | |
---|
| 3127 | //Arg 1: Current byte index |
---|
| 3128 | resp_args_32[1] = Xil_Htonl(curr_index); |
---|
| 3129 | |
---|
| 3130 | //Arg 2: Number of log bytes in this packet |
---|
| 3131 | resp_args_32[2] = Xil_Htonl(num_bytes); |
---|
| 3132 | |
---|
| 3133 | if( (pkt_idx == 0) || (pkt_idx == (num_pkts-1)) ){ |
---|
| 3134 | // The first and last packets of the transmission are unique in that their headers need to be |
---|
| 3135 | // updated prior to being sent. |
---|
| 3136 | |
---|
| 3137 | // Every other packet of a log retrieval will have identical headers to the first, so we can |
---|
| 3138 | // avoid the computational overhead of recalculating that data. |
---|
| 3139 | |
---|
| 3140 | curr_cmd_resp_hdr->length += _LOG_NUM_RESP_ARGS*sizeof(u32) + num_bytes; |
---|
| 3141 | curr_cmd_resp_hdr->num_u32_args += _LOG_NUM_RESP_ARGS; |
---|
| 3142 | curr_eth_tx_queue_buffer->seg0_len += _LOG_NUM_RESP_ARGS*sizeof(u32); |
---|
| 3143 | |
---|
| 3144 | _prepare_response_for_send(curr_cmd_resp_hdr); |
---|
| 3145 | |
---|
| 3146 | wlan_exp_transport_prepare_headers(curr_eth_tx_queue_buffer); |
---|
| 3147 | } |
---|
| 3148 | |
---|
| 3149 | if((num_pkts >= 3) && (pkt_idx < (num_pkts-2))) { |
---|
| 3150 | // The first and all intermediate packets (packets except the last) have the same Eth/IP/UDP/Transport/Response headers |
---|
| 3151 | // However the packets are submitted to the queue/DMA on each iteration, and packets submitted to hardware must not be |
---|
| 3152 | // accessed until the DMA is finishes. Thus, this loop copies headers from the current packet to the _next_ packet before |
---|
| 3153 | // the current packet is submitted to the queue/DMA. |
---|
| 3154 | wlan_mac_high_cdma_start_transfer(next_eth_tx_queue_buffer->seg0, |
---|
| 3155 | curr_eth_tx_queue_buffer->seg0, |
---|
| 3156 | curr_eth_tx_queue_buffer->seg0_len); |
---|
| 3157 | |
---|
| 3158 | // This CDMA operation must be finished before the first of two things happens: |
---|
| 3159 | |
---|
| 3160 | // 1) curr_eth_tx_queue_buffer is returned to the free pool. Look for the wlan_mac_high_cdma_finish_transfer() call |
---|
| 3161 | // in platform code when transmitted packets are freed. |
---|
| 3162 | // 2) next_eth_tx_queue_buffer is modified. This is why there is a call to wlan_mac_high_cdma_finish_transfer() earlier |
---|
| 3163 | // in this for loop. |
---|
| 3164 | |
---|
| 3165 | // Update the length of the buffer |
---|
| 3166 | next_eth_tx_queue_buffer->seg0_len = curr_eth_tx_queue_buffer->seg0_len; |
---|
| 3167 | next_eth_tx_queue_buffer->seg1_len = 0; |
---|
| 3168 | } |
---|
| 3169 | |
---|
| 3170 | // Send the Ethernet packet |
---|
| 3171 | wlan_exp_append_tx(curr_eth_tx_queue_buffer->pyld_queue_hdr.dle); |
---|
| 3172 | resp_sent = RESP_SENT; |
---|
| 3173 | } |
---|
| 3174 | |
---|
| 3175 | if (num_bytes < transfer_length){ |
---|
| 3176 | // There wasn't enough log data to fill this full packet like we expected. If this isn't the last packet |
---|
| 3177 | // we intended to send, we need to free the next packet queue buffer since we aren't going to use it. |
---|
| 3178 | if (next_eth_tx_queue_buffer) { |
---|
| 3179 | wlan_mac_high_cdma_finish_transfer(); // Finish the previous CDMA operation into the next packet queue buffer |
---|
| 3180 | queue_checkin(next_eth_tx_queue_buffer->pyld_queue_hdr.dle); |
---|
| 3181 | } |
---|
| 3182 | if (last_pkt_queue_buffer && (last_pkt_queue_buffer != next_eth_tx_queue_buffer)) { |
---|
| 3183 | wlan_mac_high_cdma_finish_transfer(); // Finish the previous CDMA operation into the next packet queue buffer |
---|
| 3184 | queue_checkin(last_pkt_queue_buffer->pyld_queue_hdr.dle); |
---|
| 3185 | } |
---|
| 3186 | break; |
---|
| 3187 | } |
---|
| 3188 | |
---|
| 3189 | if( ((pkt_idx+1) % LOG_TRANSFER_NUM_PKT_BURST) == 0 ){ |
---|
| 3190 | // Re-enable dequeueing from the wlan_exp Eth Tx queue |
---|
| 3191 | // This will move the program counter to the software interrupt ISR |
---|
| 3192 | // and other ISRs until the wlan_exp Eth Tx queue is completely |
---|
| 3193 | // empty |
---|
| 3194 | wlan_platform_set_sw_intr_mask(SW_INTR_ID_WLAN_EXP_ETH_TX); |
---|
| 3195 | // Disable dequeueing from the wlan_exp Eth Tx queue |
---|
| 3196 | wlan_platform_clear_sw_intr_mask(SW_INTR_ID_WLAN_EXP_ETH_TX); |
---|
| 3197 | } |
---|
| 3198 | |
---|
| 3199 | // Update our current address and bytes remaining |
---|
| 3200 | curr_index = next_index; |
---|
| 3201 | sent_bytes += transfer_length; |
---|
| 3202 | } |
---|
| 3203 | |
---|
| 3204 | // Re-enable dequeueing from the wlan_exp Eth Tx queue |
---|
| 3205 | wlan_platform_set_sw_intr_mask(SW_INTR_ID_WLAN_EXP_ETH_TX); |
---|
| 3206 | |
---|
| 3207 | return resp_sent; |
---|
| 3208 | } |
---|
| 3209 | #endif //WLAN_SW_CONFIG_ENABLE_LOGGING |
---|
| 3210 | |
---|
| 3211 | void wlan_exp_reset_all_callbacks(){ |
---|
| 3212 | wlan_exp_process_node_cmd_callback = (function_ptr_t) _null_process_cmd_callback; |
---|
| 3213 | wlan_exp_purge_all_wireless_tx_queue_callback = (function_ptr_t) wlan_exp_null_callback; |
---|
| 3214 | wlan_exp_process_user_cmd_callback = (function_ptr_t) _null_process_cmd_callback; |
---|
| 3215 | wlan_exp_beacon_ts_update_mode_callback = (function_ptr_t) wlan_exp_null_callback; |
---|
| 3216 | wlan_exp_process_config_bss_callback = (function_ptr_t) wlan_exp_null_callback; |
---|
| 3217 | wlan_exp_active_network_info_getter_callback = (function_ptr_t) wlan_exp_null_callback; |
---|
| 3218 | } |
---|
| 3219 | |
---|
| 3220 | void wlan_exp_set_process_node_cmd_callback(void(*callback)()){ |
---|
| 3221 | wlan_exp_process_node_cmd_callback = (function_ptr_t) callback; |
---|
| 3222 | } |
---|
| 3223 | |
---|
| 3224 | |
---|
| 3225 | void wlan_exp_set_purge_all_wireless_tx_queue_callback(void(*callback)()){ |
---|
| 3226 | wlan_exp_purge_all_wireless_tx_queue_callback = (function_ptr_t) callback; |
---|
| 3227 | } |
---|
| 3228 | |
---|
| 3229 | void wlan_exp_set_process_user_cmd_callback(void(*callback)()){ |
---|
| 3230 | wlan_exp_process_user_cmd_callback = (function_ptr_t) callback; |
---|
| 3231 | } |
---|
| 3232 | |
---|
| 3233 | |
---|
| 3234 | void wlan_exp_set_beacon_ts_update_mode_callback(void(*callback)()){ |
---|
| 3235 | wlan_exp_beacon_ts_update_mode_callback = (function_ptr_t) callback; |
---|
| 3236 | } |
---|
| 3237 | |
---|
| 3238 | |
---|
| 3239 | void wlan_exp_set_process_config_bss_callback(void(*callback)()){ |
---|
| 3240 | wlan_exp_process_config_bss_callback = (function_ptr_t) callback; |
---|
| 3241 | } |
---|
| 3242 | |
---|
| 3243 | void wlan_exp_set_active_network_info_getter_callback(void(*callback)()){ |
---|
| 3244 | wlan_exp_active_network_info_getter_callback = (function_ptr_t) callback; |
---|
| 3245 | } |
---|
| 3246 | |
---|
| 3247 | |
---|
| 3248 | /*****************************************************************************/ |
---|
| 3249 | /** |
---|
| 3250 | * This is a helper function to clean up the LTGs owned by WLAN Exp |
---|
| 3251 | * |
---|
| 3252 | * @param id - LTG id |
---|
| 3253 | * callback_arg - Callback argument for LTG |
---|
| 3254 | * |
---|
| 3255 | * @return None |
---|
| 3256 | * |
---|
| 3257 | *****************************************************************************/ |
---|
| 3258 | void _ltg_cleanup(u32 id, void* callback_arg){ |
---|
| 3259 | wlan_mac_high_free(callback_arg); |
---|
| 3260 | } |
---|
| 3261 | |
---|
| 3262 | |
---|
| 3263 | |
---|
| 3264 | #endif // End WLAN_SW_CONFIG_ENABLE_WLAN_EXP |
---|