1 | /** @file wl_transport.c |
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2 | * @brief WARPLab Framework (Transport) |
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3 | * |
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4 | * This contains the code for WARPLab Framework transport. |
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5 | * |
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6 | * @copyright Copyright 2013-2015, Mango Communications. All rights reserved. |
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7 | * Distributed under the WARP license (http://warpproject.org/license) |
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8 | * |
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9 | * @author Chris Hunter (chunter [at] mangocomm.com) |
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10 | * @author Patrick Murphy (murphpo [at] mangocomm.com) |
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11 | * @author Erik Welsh (welsh [at] mangocomm.com) |
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12 | */ |
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13 | |
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14 | |
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15 | /**********************************************************************************************************************/ |
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16 | /** |
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17 | * @brief Common Functions |
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18 | * |
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19 | **********************************************************************************************************************/ |
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20 | |
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21 | /***************************** Include Files *********************************/ |
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22 | |
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23 | // Xilinx / Standard library includes |
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24 | #include <xparameters.h> |
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25 | #include <xil_io.h> |
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26 | #include <xstatus.h> |
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27 | #include <stdlib.h> |
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28 | #include <stdio.h> |
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29 | #include <string.h> |
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30 | |
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31 | // WARPLab includes |
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32 | #include "wl_common.h" |
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33 | #include "wl_transport.h" |
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34 | #include "wl_trigger_manager.h" |
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35 | #include "wl_node.h" |
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36 | |
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37 | |
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38 | /*************************** Constant Definitions ****************************/ |
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39 | |
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40 | /*********************** Global Variable Definitions *************************/ |
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41 | |
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42 | extern u16 node; // Node ID (defined in wl_node.c) |
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43 | |
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44 | |
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45 | /*************************** Variable Definitions ****************************/ |
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46 | |
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47 | // NOTE: This structure has different member types depending on the WARP version |
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48 | wl_eth_dev_info eth_devices[WL_NUM_ETH_DEVICES]; |
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49 | |
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50 | // Callbacks |
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51 | volatile wl_function_ptr_t process_hton_msg_callback; |
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52 | |
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53 | |
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54 | /*************************** Function Prototypes *****************************/ |
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55 | |
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56 | void transport_wl_eth_dev_info_init(u32 eth_dev_num); |
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57 | |
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58 | int transport_check_device(u32 eth_dev_num); |
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59 | |
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60 | void transport_receive(u32 eth_dev_num, int socket_index, struct sockaddr * from, warp_ip_udp_buffer * recv_buffer, warp_ip_udp_buffer * send_buffer); |
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61 | |
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62 | void transport_set_eth_phy_speed(u32 eth_dev_num, u32 speed); |
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63 | void transport_set_eth_phy_auto_negotiation(u32 eth_dev_num, u32 enable); |
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64 | |
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65 | |
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66 | /******************************** Functions **********************************/ |
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67 | |
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68 | |
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69 | /*****************************************************************************/ |
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70 | /** |
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71 | * This function will poll the given Ethernet device |
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72 | * |
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73 | * @param eth_dev_num - Ethernet device number |
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74 | * |
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75 | * @return None |
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76 | * |
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77 | * @note Buffers are managed by the WARP UDP transport driver |
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78 | * |
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79 | *****************************************************************************/ |
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80 | void transport_poll(u32 eth_dev_num) { |
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81 | |
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82 | int recv_bytes; |
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83 | int socket_index; |
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84 | warp_ip_udp_buffer recv_buffer; |
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85 | warp_ip_udp_buffer * send_buffer; |
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86 | struct sockaddr from; |
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87 | |
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88 | // Check the socket to see if there is data |
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89 | recv_bytes = socket_recvfrom_eth(eth_dev_num, &socket_index, &from, &recv_buffer); |
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90 | |
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91 | // If we have received data, then we need to process it |
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92 | if (recv_bytes > 0) { |
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93 | // Allocate a send buffer from the transport driver |
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94 | send_buffer = socket_alloc_send_buffer(); |
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95 | |
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96 | // Process the received packet |
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97 | transport_receive(eth_dev_num, socket_index, &from, &recv_buffer, send_buffer); |
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98 | |
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99 | // Need to communicate to the transport driver that the buffers can now be reused |
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100 | socket_free_recv_buffer(socket_index, &recv_buffer); |
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101 | socket_free_send_buffer(send_buffer); |
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102 | } |
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103 | } |
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104 | |
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105 | |
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106 | |
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107 | /*****************************************************************************/ |
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108 | /** |
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109 | * Process the received UDP packet by the transport |
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110 | * |
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111 | * @param eth_dev_num - Ethernet device number |
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112 | * @param socket_index - Index of the socket on which message was received |
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113 | * @param from - Pointer to socket address structure from which message was received |
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114 | * @param recv_buffer - Pointer to transport buffer with received message |
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115 | * @param send_buffer - Pointer to transport buffer for a node response to the message |
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116 | * |
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117 | * @return None |
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118 | * |
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119 | * @note If this packet is a host to node message, then the process_hton_msg_callback |
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120 | * is used to further process the packet. This method will strip off the |
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121 | * WL transport header for future packet processing. |
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122 | * |
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123 | *****************************************************************************/ |
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124 | void transport_receive(u32 eth_dev_num, int socket_index, struct sockaddr * from, warp_ip_udp_buffer * recv_buffer, warp_ip_udp_buffer * send_buffer) { |
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125 | |
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126 | int status; |
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127 | u32 trigger_ethernet_id; |
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128 | u16 dest_id; |
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129 | u16 src_id; |
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130 | u16 seq_num; |
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131 | u16 flags; |
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132 | u32 group_id; |
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133 | |
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134 | wl_transport_header * wl_header_rx = (wl_transport_header*)(recv_buffer->offset); // Contains entire Ethernet frame; offset points to UDP payload |
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135 | wl_transport_header * wl_header_tx = (wl_transport_header*)(send_buffer->offset); // New buffer for UDP payload |
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136 | |
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137 | // Get the transport headers for the send / receive buffers |
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138 | // NOTE: For the receive buffer, offset points to UDP payload of the Ethernet frame |
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139 | // NOTE: For the send buffer, the offset points to the start of the buffer but since we will use the |
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140 | // UDP header of the socket to transmit the frame, this is effectively the start of the UDP payload |
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141 | // |
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142 | wl_header_rx = (wl_transport_header*)(recv_buffer->offset); |
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143 | wl_header_tx = (wl_transport_header*)(send_buffer->offset); |
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144 | |
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145 | // Update the buffers to account for the transport headers |
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146 | recv_buffer->offset += sizeof(wl_transport_header); |
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147 | recv_buffer->length -= sizeof(wl_transport_header); // Remaining bytes in receive buffer |
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148 | |
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149 | send_buffer->offset += sizeof(wl_transport_header); |
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150 | send_buffer->length += sizeof(wl_transport_header); // Adding bytes to the send buffer |
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151 | send_buffer->size += sizeof(wl_transport_header); // Keep size in sync |
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152 | |
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153 | // Update the green LEDs for every received packet |
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154 | increment_green_leds_one_hot(); |
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155 | |
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156 | // Process the data based on the packet type |
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157 | // NOTE: The pkt_type does not need to be endian swapped because it is a u8 |
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158 | // |
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159 | switch(wl_header_rx->pkt_type){ |
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160 | |
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161 | //------------------------------- |
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162 | // Trigger Manager Trigger packet |
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163 | // |
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164 | case PKTTYPE_TRIGGER: |
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165 | |
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166 | // Get the Trigger Ethernet ID from the receive packet |
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167 | trigger_ethernet_id = Xil_Ntohl(*((u32 *)(recv_buffer->offset))); |
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168 | |
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169 | // Process the Trigger Ethernet ID |
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170 | trigmngr_trigger_in(trigger_ethernet_id, eth_dev_num); |
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171 | break; |
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172 | |
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173 | //------------------------------- |
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174 | // Message from the Host to the Node |
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175 | // |
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176 | case PKTTYPE_HTON_MSG: |
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177 | // Extract values from the received transport header |
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178 | // |
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179 | dest_id = Xil_Ntohs(wl_header_rx->dest_id); |
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180 | src_id = Xil_Ntohs(wl_header_rx->src_id); |
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181 | seq_num = Xil_Ntohs(wl_header_rx->seq_num); |
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182 | flags = Xil_Ntohs(wl_header_rx->flags); |
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183 | |
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184 | group_id = eth_devices[eth_dev_num].group_id; |
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185 | |
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186 | // If this message is not for the given node, then ignore it |
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187 | if((dest_id != node) && (dest_id != BROADCAST_DEST_ID) && ((dest_id & (0xFF00 | group_id)) == 0)) { return; } |
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188 | |
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189 | // Form outgoing WARPLab header for any outgoing packet in response to this message |
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190 | // NOTE: The u16/u32 fields here will be endian swapped in transport_send |
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191 | // NOTE: The length field of the header will be set in transport_send |
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192 | // |
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193 | wl_header_tx->dest_id = src_id; |
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194 | wl_header_tx->src_id = node; |
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195 | wl_header_tx->pkt_type = PKTTYPE_NTOH_MSG; |
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196 | wl_header_tx->seq_num = seq_num; |
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197 | wl_header_tx->flags = 0; |
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198 | wl_header_tx->reserved = 0; |
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199 | |
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200 | // Call the callback to further process the recv_buffer |
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201 | status = process_hton_msg_callback(socket_index, from, recv_buffer, send_buffer); |
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202 | |
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203 | if (send_buffer->size != send_buffer->length) { |
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204 | wl_printf(WL_PRINT_WARNING, print_type_transport, "Send buffer length (%d) does not match size (%d)\n", send_buffer->length, send_buffer->size); |
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205 | } |
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206 | |
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207 | // Based on the status, return a message to the host |
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208 | switch(status) { |
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209 | |
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210 | //------------------------------- |
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211 | // No response has been sent by the node |
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212 | // |
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213 | case NO_RESP_SENT: |
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214 | // Check if the host requires a response from the node |
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215 | if (flags & TRANSPORT_HDR_ROBUST_FLAG) { |
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216 | |
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217 | // Check that the node has something to send to the host |
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218 | if ((send_buffer->length) > sizeof(wl_transport_header)) { |
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219 | transport_send(socket_index, from, &send_buffer, 1); // Send the buffer of data |
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220 | } else { |
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221 | wl_printf(WL_PRINT_WARNING, print_type_transport, "Host requires response but node has nothing to send.\n"); |
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222 | } |
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223 | } |
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224 | break; |
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225 | |
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226 | //------------------------------- |
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227 | // A response has already been sent by the node |
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228 | // |
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229 | case RESP_SENT: |
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230 | // The transport does not need to do anything else |
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231 | break; |
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232 | |
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233 | //------------------------------- |
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234 | // The node is not ready to process the message; host needs to wait and send it again |
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235 | // |
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236 | case NODE_NOT_READY: |
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237 | wl_printf(WL_PRINT_NONE, NULL, "\nWARNING: Node not ready for command.\n Please add a pause() with the appropriate time to your Matlab code.\n\n"); |
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238 | |
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239 | // Set the flag to indicate the node is not ready |
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240 | wl_header_tx->flags = TRANSPORT_HDR_NODE_NOT_READY_FLAG; |
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241 | |
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242 | // Send a packet to the host |
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243 | transport_send(socket_index, from, &send_buffer, 1); // Send the buffer of data |
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244 | break; |
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245 | |
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246 | default: |
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247 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Received unknown status for message: %d\n", status); |
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248 | break; |
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249 | } |
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250 | break; |
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251 | |
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252 | default: |
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253 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Received packet with unknown packet type: %d\n", (wl_header_rx->pkt_type)); |
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254 | break; |
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255 | } |
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256 | } |
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257 | |
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258 | |
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259 | |
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260 | /*****************************************************************************/ |
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261 | /** |
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262 | * This function is used to send a message over Ethernet |
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263 | * |
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264 | * @param socket_index - Index of the socket on which to send message |
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265 | * @param to - Pointer to socket address structure to send message |
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266 | * @param buffers - Array of transport buffers to send |
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267 | * @param num_buffers - Number of transport buffers in 'buffers' array |
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268 | * |
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269 | * @return None |
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270 | * |
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271 | * @note This function requires that the first transport buffer in the 'buffers' |
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272 | * array contain the WARPLab transport header. |
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273 | * |
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274 | *****************************************************************************/ |
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275 | void transport_send(int socket_index, struct sockaddr * to, warp_ip_udp_buffer ** buffers, u32 num_buffers) { |
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276 | |
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277 | u32 i; |
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278 | int status; |
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279 | wl_transport_header * wl_header_tx; |
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280 | u16 buffer_length = 0; |
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281 | |
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282 | // Check that we have a valid socket to send a message on |
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283 | if (socket_index == SOCKET_INVALID_SOCKET) { |
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284 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Invalid socket.\n"); |
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285 | return; |
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286 | } |
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287 | |
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288 | // Initialize the header |
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289 | // NOTE: We require that the first warp_ip_udp_buffer always contain the wl_transport_header |
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290 | // |
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291 | wl_header_tx = (wl_transport_header *)(buffers[0]->data); |
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292 | |
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293 | // Compute the length |
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294 | for (i = 0; i < num_buffers; i++) { |
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295 | buffer_length += buffers[i]->size; |
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296 | } |
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297 | |
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298 | // |
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299 | // NOTE: Through performance testing, we found that it was faster to just manipulate the header |
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300 | // in place vs creating a copy, updating the header and then restoring the copy. |
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301 | // |
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302 | |
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303 | // Make the outgoing transport header endian safe for sending on the network |
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304 | // NOTE: Set the 'length' to the computed value above |
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305 | // |
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306 | wl_header_tx->dest_id = Xil_Htons(wl_header_tx->dest_id); |
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307 | wl_header_tx->src_id = Xil_Htons(wl_header_tx->src_id); |
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308 | wl_header_tx->length = Xil_Htons(buffer_length + WARP_IP_UDP_DELIM_LEN); |
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309 | wl_header_tx->seq_num = Xil_Htons(wl_header_tx->seq_num); |
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310 | wl_header_tx->flags = Xil_Htons(wl_header_tx->flags); |
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311 | |
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312 | // Update the green LEDs for every packet sent |
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313 | increment_green_leds_one_hot(); |
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314 | |
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315 | // Send the Ethernet packet |
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316 | status = socket_sendto(socket_index, to, buffers, num_buffers); |
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317 | |
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318 | // Restore wl_header_tx |
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319 | wl_header_tx->dest_id = Xil_Ntohs(wl_header_tx->dest_id); |
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320 | wl_header_tx->src_id = Xil_Ntohs(wl_header_tx->src_id); |
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321 | wl_header_tx->length = 0; |
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322 | wl_header_tx->seq_num = Xil_Ntohs(wl_header_tx->seq_num); |
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323 | wl_header_tx->flags = Xil_Ntohs(wl_header_tx->flags); |
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324 | |
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325 | // Check that the packet was sent correctly |
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326 | if (status == WARP_IP_UDP_FAILURE) { |
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327 | wl_printf(WL_PRINT_WARNING, print_type_transport, "Issue sending packet %d to host.\n", wl_header_tx->seq_num); |
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328 | } |
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329 | } |
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330 | |
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331 | |
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332 | |
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333 | |
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334 | /*****************************************************************************/ |
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335 | /** |
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336 | * Process Transport Commands |
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337 | * |
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338 | * This function is part of the Ethernet processing system and will process the |
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339 | * various transport related commands. |
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340 | * |
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341 | * @param socket_index - Index of the socket on which to send message |
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342 | * @param from - Pointer to socket address structure (struct sockaddr *) where command is from |
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343 | * @param command - Pointer to WARPLab Command |
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344 | * @param response - Pointer to WARPLab Response |
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345 | * |
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346 | * @return int - Status of the command: |
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347 | * NO_RESP_SENT - No response has been sent |
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348 | * RESP_SENT - A response has been sent |
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349 | * |
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350 | * @note See on-line documentation for more information about the Ethernet |
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351 | * packet structure for WARPLab: www.warpproject.org |
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352 | * |
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353 | *****************************************************************************/ |
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354 | int transport_process_cmd(int socket_index, void * from, wl_cmd_resp * command, wl_cmd_resp * response) { |
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355 | |
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356 | // |
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357 | // IMPORTANT ENDIAN NOTES: |
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358 | // - command |
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359 | // - header - Already endian swapped by the framework (safe to access directly) |
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360 | // - args - Must be endian swapped as necessary by code (framework does not know the contents of the command) |
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361 | // - response |
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362 | // - header - Will be endian swapped by the framework (safe to write directly) |
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363 | // - args - Must be endian swapped as necessary by code (framework does not know the contents of the response) |
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364 | // |
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365 | |
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366 | // Standard variables |
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367 | u32 resp_sent = NO_RESP_SENT; |
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368 | |
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369 | wl_cmd_resp_hdr * cmd_hdr = command->header; |
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370 | u32 * cmd_args_32 = command->args; |
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371 | u32 cmd_id = WL_CMD_TO_CMDID(cmd_hdr->cmd); |
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372 | |
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373 | wl_cmd_resp_hdr * resp_hdr = response->header; |
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374 | u32 * resp_args_32 = response->args; |
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375 | u32 resp_index = 0; |
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376 | |
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377 | // Specific command variables |
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378 | u32 temp; |
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379 | u32 eth_dev_num; |
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380 | u32 size_index; |
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381 | u32 payload_size; |
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382 | u32 header_size; |
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383 | |
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384 | // Set up the response header |
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385 | resp_hdr->cmd = cmd_hdr->cmd; |
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386 | resp_hdr->length = 0; |
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387 | resp_hdr->num_args = 0; |
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388 | |
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389 | // Process the command |
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390 | switch(cmd_id){ |
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391 | |
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392 | //--------------------------------------------------------------------- |
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393 | case CMDID_TRANSPORT_PING: |
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394 | // |
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395 | // Nothing actually needs to be done when receiving the ping command. The framework is going |
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396 | // to respond regardless, which is all the host wants. |
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397 | // |
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398 | break; |
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399 | |
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400 | //--------------------------------------------------------------------- |
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401 | case CMDID_TRANSPORT_PAYLOAD_SIZE_TEST: |
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402 | // |
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403 | // Due to packet fragmentation, it is not safe to just return the packet length. We have seen |
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404 | // an issue where the host will send a 1514 byte fragment which results in a payload size of |
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405 | // 1472 and causes the transport to not behave correctly. Therefore, we need to find the |
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406 | // last valid command argument and check that against the packet length. |
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407 | // |
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408 | header_size = (sizeof(wl_transport_header) + sizeof(wl_cmd_resp_hdr)); // Transport / Command headers |
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409 | size_index = (((warp_ip_udp_buffer *)(command->buffer))->length - sizeof(wl_cmd_resp_hdr)) / 4; // Final index into command args (/4 truncates) |
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410 | |
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411 | // Check the value in the command args to make sure it matches the size_index |
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412 | // NOTE: This indexing step works because the payload is filled with incrementing number starting at 1. |
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413 | // |
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414 | payload_size = (Xil_Htonl(cmd_args_32[size_index - 1]) * 4) + header_size; |
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415 | temp = ((size_index * 4) + header_size); |
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416 | |
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417 | if (payload_size != temp) { |
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418 | wl_printf(WL_PRINT_WARNING, print_type_transport, "Payload size mismatch. Value in command args does not match index: %d != %d\n", payload_size, temp); |
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419 | } |
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420 | |
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421 | resp_args_32[resp_index++] = Xil_Ntohl(payload_size); |
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422 | |
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423 | resp_hdr->length += (resp_index * sizeof(resp_args_32)); |
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424 | resp_hdr->num_args = 1; |
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425 | break; |
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426 | |
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427 | //--------------------------------------------------------------------- |
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428 | case CMDID_TRANSPORT_NODE_GROUP_ID_ADD: |
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429 | eth_dev_num = socket_get_eth_dev_num(socket_index); |
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430 | |
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431 | if (eth_dev_num != WARP_IP_UDP_INVALID_ETH_DEVICE) { |
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432 | eth_devices[eth_dev_num].group_id = (eth_devices[eth_dev_num].group_id | Xil_Htonl(cmd_args_32[0])); |
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433 | } else { |
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434 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Add Group ID - Invalid socket index: %d\n", socket_index); |
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435 | } |
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436 | break; |
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437 | |
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438 | //--------------------------------------------------------------------- |
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439 | case CMDID_TRANSPORT_NODE_GROUP_ID_CLEAR: |
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440 | eth_dev_num = socket_get_eth_dev_num(socket_index); |
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441 | |
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442 | if (eth_dev_num != WARP_IP_UDP_INVALID_ETH_DEVICE) { |
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443 | eth_devices[eth_dev_num].group_id = (eth_devices[eth_dev_num].group_id & ~Xil_Htonl(cmd_args_32[0])); |
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444 | } else { |
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445 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Clear Group ID - Invalid socket index: %d\n", socket_index); |
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446 | } |
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447 | break; |
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448 | |
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449 | //--------------------------------------------------------------------- |
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450 | default: |
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451 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Unknown user command ID: %d\n", cmd_id); |
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452 | break; |
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453 | } |
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454 | |
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455 | return resp_sent; |
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456 | } |
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457 | |
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458 | |
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459 | |
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460 | /*****************************************************************************/ |
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461 | /** |
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462 | * Close the unicast and broadcast sockets associated with a given Ethernet device |
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463 | * |
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464 | * @param eth_dev_num - Ethernet device number |
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465 | * |
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466 | * @return None |
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467 | * |
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468 | *****************************************************************************/ |
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469 | void transport_close(u32 eth_dev_num) { |
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470 | |
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471 | if (transport_check_device(eth_dev_num) == XST_SUCCESS) { |
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472 | socket_close(eth_devices[eth_dev_num].unicast_socket); |
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473 | socket_close(eth_devices[eth_dev_num].broadcast_socket); |
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474 | } |
---|
475 | } |
---|
476 | |
---|
477 | |
---|
478 | |
---|
479 | /*****************************************************************************/ |
---|
480 | /** |
---|
481 | * Create and bind a socket for the Ethernet device |
---|
482 | * |
---|
483 | * @param eth_dev_num - Ethernet device number |
---|
484 | * @param socket_index - Socket index (return value) |
---|
485 | * @param udp_port - UDP port number |
---|
486 | * |
---|
487 | * @return int - Status of the command: |
---|
488 | * XST_SUCCESS - Command completed successfully |
---|
489 | * XST_FAILURE - There was an error in the command |
---|
490 | * |
---|
491 | *****************************************************************************/ |
---|
492 | int transport_config_socket(u32 eth_dev_num, int * socket_index, u32 udp_port) { |
---|
493 | |
---|
494 | int status; |
---|
495 | int tmp_socket = *socket_index; |
---|
496 | |
---|
497 | // Release socket if it is already bound |
---|
498 | if (tmp_socket != SOCKET_INVALID_SOCKET) { |
---|
499 | socket_close(tmp_socket); |
---|
500 | } |
---|
501 | |
---|
502 | // Create a new socket |
---|
503 | tmp_socket = socket_socket(AF_INET, SOCK_DGRAM, 0); |
---|
504 | |
---|
505 | if (tmp_socket == SOCKET_INVALID_SOCKET) { |
---|
506 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Could not create socket\n"); |
---|
507 | |
---|
508 | * socket_index = SOCKET_INVALID_SOCKET; |
---|
509 | |
---|
510 | return XST_FAILURE; |
---|
511 | } |
---|
512 | |
---|
513 | // Bind the socket |
---|
514 | status = socket_bind_eth(tmp_socket, eth_dev_num, udp_port); |
---|
515 | |
---|
516 | if (status == WARP_IP_UDP_FAILURE) { |
---|
517 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Unable to bind socket on port: %d\n", udp_port); |
---|
518 | |
---|
519 | socket_close(tmp_socket); |
---|
520 | |
---|
521 | * socket_index = SOCKET_INVALID_SOCKET; |
---|
522 | |
---|
523 | return XST_FAILURE; |
---|
524 | } |
---|
525 | |
---|
526 | * socket_index = tmp_socket; |
---|
527 | |
---|
528 | return XST_SUCCESS; |
---|
529 | } |
---|
530 | |
---|
531 | |
---|
532 | |
---|
533 | /*****************************************************************************/ |
---|
534 | /** |
---|
535 | * This function will configure the unicast and broadcast sockets to be used |
---|
536 | * by the transport using the default transport_receive_callback() function. |
---|
537 | * |
---|
538 | * @param eth_dev_num - Ethernet device number |
---|
539 | * @param unicast_port - Unicast port for the node |
---|
540 | * @param bcast_port - Broadcast port for the node |
---|
541 | * |
---|
542 | * @return int - Status of the command: |
---|
543 | * XST_SUCCESS - Command completed successfully |
---|
544 | * XST_FAILURE - There was an error in the command |
---|
545 | * |
---|
546 | *****************************************************************************/ |
---|
547 | int transport_config_sockets(u32 eth_dev_num, u32 unicast_port, u32 bcast_port) { |
---|
548 | int status = XST_SUCCESS; |
---|
549 | |
---|
550 | status = transport_config_socket(eth_dev_num, &(eth_devices[eth_dev_num].unicast_socket), unicast_port); |
---|
551 | if (status == XST_FAILURE) { return status; } |
---|
552 | |
---|
553 | status = transport_config_socket(eth_dev_num, &(eth_devices[eth_dev_num].broadcast_socket), bcast_port); |
---|
554 | if (status == XST_FAILURE) { return status; } |
---|
555 | |
---|
556 | wl_printf(WL_PRINT_NONE, NULL, " Listening on UDP ports %d (unicast) and %d (broadcast)\n", unicast_port, bcast_port); |
---|
557 | |
---|
558 | return status; |
---|
559 | } |
---|
560 | |
---|
561 | |
---|
562 | |
---|
563 | /*****************************************************************************/ |
---|
564 | /** |
---|
565 | * This function is the Transport callback that allows WARPLab to process |
---|
566 | * a received Ethernet packet |
---|
567 | * |
---|
568 | * @param hander - Pointer to the transport receive callback function |
---|
569 | * |
---|
570 | * @return int - Status of the command: |
---|
571 | * XST_SUCCESS - Command completed successfully |
---|
572 | * |
---|
573 | *****************************************************************************/ |
---|
574 | int transport_set_process_hton_msg_callback(void(*handler)) { |
---|
575 | process_hton_msg_callback = handler; |
---|
576 | |
---|
577 | return XST_SUCCESS; |
---|
578 | } |
---|
579 | |
---|
580 | |
---|
581 | |
---|
582 | /*****************************************************************************/ |
---|
583 | /** |
---|
584 | * This function will check the link status of a Ethernet controller |
---|
585 | * |
---|
586 | * @param eth_dev_num - Ethernet device number |
---|
587 | * @param unicast_port - Unicast port for the node |
---|
588 | * @param bcast_port - Broadcast port for the node |
---|
589 | * |
---|
590 | * @return int - Status of the command: |
---|
591 | * LINK_READY - Ethernet controller is ready to be used |
---|
592 | * LINK_NOT_READY - Ethernet controller is not ready to be used |
---|
593 | * |
---|
594 | *****************************************************************************/ |
---|
595 | int transport_link_status(u32 eth_dev_num) { |
---|
596 | |
---|
597 | int status = LINK_READY; |
---|
598 | u16 reg_val = transport_get_ethernet_status(eth_dev_num); |
---|
599 | |
---|
600 | if(reg_val & ETH_PHY_REG_17_0_LINKUP) { |
---|
601 | status = LINK_READY; |
---|
602 | } else { |
---|
603 | status = LINK_NOT_READY; |
---|
604 | } |
---|
605 | |
---|
606 | return status; |
---|
607 | } |
---|
608 | |
---|
609 | |
---|
610 | |
---|
611 | /*****************************************************************************/ |
---|
612 | /** |
---|
613 | * This function will update the link speed of a Ethernet controller |
---|
614 | * |
---|
615 | * @param eth_dev_num - Ethernet device number |
---|
616 | * @param wait_for_negotiation - Flag to wait for auto-negotiation of Ethernet link speed |
---|
617 | * |
---|
618 | * @return speed - Ethernet link speed that was chosen |
---|
619 | * |
---|
620 | *****************************************************************************/ |
---|
621 | u32 transport_update_link_speed(u32 eth_dev_num, u32 wait_for_negotiation) { |
---|
622 | |
---|
623 | volatile u16 reg_val = 0; |
---|
624 | u32 negotiated = 1; |
---|
625 | u16 speed = 0; |
---|
626 | |
---|
627 | u32 start_time = get_usec_timestamp(); |
---|
628 | u32 end_time = start_time; |
---|
629 | |
---|
630 | // Make sure the Ethernet device is initialized |
---|
631 | if (eth_devices[eth_dev_num].initialized == WL_ETH_DEV_INITIALIZED) { |
---|
632 | |
---|
633 | xil_printf(" ETH %c speed ", warp_conv_eth_dev_num(eth_dev_num)); |
---|
634 | |
---|
635 | reg_val = transport_get_ethernet_status(eth_dev_num); |
---|
636 | |
---|
637 | if (wait_for_negotiation == ETH_WAIT_FOR_AUTO_NEGOTIATION) { |
---|
638 | |
---|
639 | while((reg_val & ETH_PHY_REG_17_0_SPEED_RESOLVED) == 0) { |
---|
640 | usleep(1000); |
---|
641 | reg_val = transport_get_ethernet_status(eth_dev_num); |
---|
642 | } |
---|
643 | |
---|
644 | speed = ETH_PHY_SPEED_TO_MBPS((reg_val & ETH_PHY_REG_17_0_SPEED)); |
---|
645 | end_time = get_usec_timestamp(); |
---|
646 | |
---|
647 | } else { |
---|
648 | // Check to see if the Ethernet controller has auto-negotiated a speed |
---|
649 | if (reg_val & ETH_PHY_REG_17_0_SPEED_RESOLVED) { |
---|
650 | speed = ETH_PHY_SPEED_TO_MBPS((reg_val & ETH_PHY_REG_17_0_SPEED)); |
---|
651 | } else { |
---|
652 | speed = eth_devices[eth_dev_num].default_speed; |
---|
653 | negotiated = 0; |
---|
654 | } |
---|
655 | } |
---|
656 | |
---|
657 | // Set the operating speed of the Ethernet controller |
---|
658 | eth_set_operating_speed(eth_dev_num, speed); |
---|
659 | |
---|
660 | // Set the operating speed of the Ethernet PHY |
---|
661 | transport_set_eth_phy_speed(eth_dev_num, speed); |
---|
662 | |
---|
663 | // Sleep for a short period of time to let everything settle |
---|
664 | usleep(1 * 10000); |
---|
665 | |
---|
666 | } else { |
---|
667 | wl_printf(WL_PRINT_NONE, NULL, " ETH %c not initialized. Link speed not updated.\n", warp_conv_eth_dev_num(eth_dev_num)); |
---|
668 | } |
---|
669 | |
---|
670 | if (negotiated) { |
---|
671 | xil_printf("%d Mbps (auto-negotiated", speed); |
---|
672 | |
---|
673 | if (start_time != end_time) { |
---|
674 | xil_printf(" in %d usec)\n", (end_time - start_time)); |
---|
675 | } else { |
---|
676 | xil_printf(")\n"); |
---|
677 | } |
---|
678 | } else { |
---|
679 | xil_printf("%d Mbps (default)\n", speed); |
---|
680 | } |
---|
681 | |
---|
682 | return speed; |
---|
683 | } |
---|
684 | |
---|
685 | |
---|
686 | |
---|
687 | /*****************************************************************************/ |
---|
688 | /** |
---|
689 | * This function set the speed of a Ethernet PHY |
---|
690 | * |
---|
691 | * @param eth_dev_num - Ethernet device number |
---|
692 | * @param speed - Speed |
---|
693 | * |
---|
694 | * @return None |
---|
695 | * |
---|
696 | *****************************************************************************/ |
---|
697 | void transport_set_eth_phy_speed(u32 eth_dev_num, u32 speed) { |
---|
698 | |
---|
699 | // See Ethernet PHY specification for documentation on the values used for PHY commands |
---|
700 | u16 phy_ctrl_reg_val; |
---|
701 | |
---|
702 | // Read the PHY Control register |
---|
703 | eth_read_phy_reg(eth_dev_num, eth_devices[eth_dev_num].phy_addr, ETH_PHY_CONTROL_REG, &phy_ctrl_reg_val); |
---|
704 | |
---|
705 | // Based on the argument configure the appropriate bits to set the desired speed |
---|
706 | switch (speed) { |
---|
707 | case ETH_PHY_SPEED_1000_MBPS: |
---|
708 | // Set speed to 1000 Mbps (MSB = 1; LSB = 0) |
---|
709 | phy_ctrl_reg_val = (phy_ctrl_reg_val & ~ETH_PHY_REG_0_SPEED_LSB) | ETH_PHY_REG_0_SPEED_MSB; |
---|
710 | break; |
---|
711 | case ETH_PHY_SPEED_100_MBPS: |
---|
712 | // Set speed to 100 Mbps (MSB = 0; LSB = 1) |
---|
713 | phy_ctrl_reg_val = (phy_ctrl_reg_val & ~ETH_PHY_REG_0_SPEED_MSB) | ETH_PHY_REG_0_SPEED_LSB; |
---|
714 | break; |
---|
715 | case ETH_PHY_SPEED_10_MBPS: |
---|
716 | // Set speed to 10 Mbps (MSB = 0; LSB = 0) |
---|
717 | phy_ctrl_reg_val = phy_ctrl_reg_val & ~(ETH_PHY_REG_0_SPEED_MSB | ETH_PHY_REG_0_SPEED_LSB); |
---|
718 | break; |
---|
719 | default: |
---|
720 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Ethernet %c invalid speed: %d.\n", warp_conv_eth_dev_num(eth_dev_num), speed); |
---|
721 | break; |
---|
722 | } |
---|
723 | |
---|
724 | // Write the value to the PHY and trigger a reset to update PHY internal state |
---|
725 | eth_write_phy_reg(eth_dev_num, eth_devices[eth_dev_num].phy_addr, ETH_PHY_CONTROL_REG, phy_ctrl_reg_val); |
---|
726 | eth_write_phy_reg(eth_dev_num, eth_devices[eth_dev_num].phy_addr, ETH_PHY_CONTROL_REG, (ETH_PHY_REG_0_RESET | phy_ctrl_reg_val)); |
---|
727 | } |
---|
728 | |
---|
729 | |
---|
730 | |
---|
731 | /*****************************************************************************/ |
---|
732 | /** |
---|
733 | * This function set the auto-negotiation state of a Ethernet controller |
---|
734 | * |
---|
735 | * @param eth_dev_num - Ethernet device number |
---|
736 | * @param enable - Enable / Disable auto-negotiation |
---|
737 | * |
---|
738 | * @return None |
---|
739 | * |
---|
740 | *****************************************************************************/ |
---|
741 | void transport_set_eth_phy_auto_negotiation(u32 eth_dev_num, u32 enable) { |
---|
742 | |
---|
743 | // See Ethernet PHY specification for documentation on the values used for PHY commands |
---|
744 | u16 phy_ctrl_reg_val; |
---|
745 | |
---|
746 | // Read the PHY Control register |
---|
747 | eth_read_phy_reg(eth_dev_num, eth_devices[eth_dev_num].phy_addr, ETH_PHY_CONTROL_REG, &phy_ctrl_reg_val); |
---|
748 | |
---|
749 | // Based on the argument enable or disable auto-negotiation |
---|
750 | if (enable) { |
---|
751 | // Enable auto-negotiation |
---|
752 | phy_ctrl_reg_val = phy_ctrl_reg_val | ETH_PHY_REG_0_AUTO_NEGOTIATION; |
---|
753 | } else { |
---|
754 | // Disable auto-negotiation |
---|
755 | phy_ctrl_reg_val = phy_ctrl_reg_val & ~ETH_PHY_REG_0_AUTO_NEGOTIATION; |
---|
756 | } |
---|
757 | |
---|
758 | // Write the value to the PHY and trigger a reset to update PHY internal state |
---|
759 | eth_write_phy_reg(eth_dev_num, eth_devices[eth_dev_num].phy_addr, ETH_PHY_CONTROL_REG, phy_ctrl_reg_val); |
---|
760 | eth_write_phy_reg(eth_dev_num, eth_devices[eth_dev_num].phy_addr, ETH_PHY_CONTROL_REG, (ETH_PHY_REG_0_RESET | phy_ctrl_reg_val)); |
---|
761 | } |
---|
762 | |
---|
763 | |
---|
764 | |
---|
765 | /*****************************************************************************/ |
---|
766 | /** |
---|
767 | * Check the Ethernet device of the transport |
---|
768 | * |
---|
769 | * @param eth_dev_num - Ethernet device number |
---|
770 | * |
---|
771 | * @return int - Status of the command: |
---|
772 | * XST_SUCCESS - Command completed successfully |
---|
773 | * XST_FAILURE - There was an error in the command |
---|
774 | * |
---|
775 | ******************************************************************************/ |
---|
776 | |
---|
777 | int transport_check_device(u32 eth_dev_num) { |
---|
778 | |
---|
779 | // Check that we have a valid Ethernet device for the transport |
---|
780 | if (eth_dev_num >= WL_NUM_ETH_DEVICES) { |
---|
781 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Ethernet %c is not available on WARP HW.\n", warp_conv_eth_dev_num(eth_dev_num)); |
---|
782 | return XST_FAILURE; |
---|
783 | } |
---|
784 | |
---|
785 | return XST_SUCCESS; |
---|
786 | } |
---|
787 | |
---|
788 | |
---|
789 | |
---|
790 | /**********************************************************************************************************************/ |
---|
791 | /** |
---|
792 | * @brief WARP v3 Specific Functions |
---|
793 | * |
---|
794 | **********************************************************************************************************************/ |
---|
795 | |
---|
796 | |
---|
797 | /***************************** Include Files *********************************/ |
---|
798 | |
---|
799 | #include <w3_iic_eeprom.h> |
---|
800 | #include <w3_userio.h> |
---|
801 | |
---|
802 | |
---|
803 | /*************************** Constant Definitions ****************************/ |
---|
804 | |
---|
805 | /*********************** Global Variable Definitions *************************/ |
---|
806 | |
---|
807 | /*************************** Variable Definitions ****************************/ |
---|
808 | |
---|
809 | /*************************** Functions Prototypes ****************************/ |
---|
810 | |
---|
811 | int transport_read_ip_addr(u32 eth_dev_num, u8 * ip_addr); |
---|
812 | |
---|
813 | |
---|
814 | /******************************** Functions **********************************/ |
---|
815 | |
---|
816 | /*****************************************************************************/ |
---|
817 | /** |
---|
818 | * Read the IP / MAC address from the node for the Ethernet device |
---|
819 | * |
---|
820 | * @param eth_dev_num - Ethernet device number |
---|
821 | * @param hw_addr - Pointer to an u8 array to return the MAC address |
---|
822 | * @param ip_addr - Pointer to an u8 array to return the IP address |
---|
823 | * |
---|
824 | * @return int - Status of the command: |
---|
825 | * XST_SUCCESS - Command completed successfully |
---|
826 | * XST_FAILURE - There was an error in the command |
---|
827 | * |
---|
828 | ******************************************************************************/ |
---|
829 | int transport_get_hw_info(u32 eth_dev_num, u8 * hw_addr, u8 * ip_addr) { |
---|
830 | |
---|
831 | int status = XST_SUCCESS; |
---|
832 | |
---|
833 | // Read the MAC address from the node |
---|
834 | w3_eeprom_readEthAddr(EEPROM_BASEADDR, eth_dev_num, hw_addr); |
---|
835 | |
---|
836 | wl_printf(WL_PRINT_NONE, NULL, " ETH %c MAC Address: %02x:%02x:%02x:%02x:%02x:%02x\n", |
---|
837 | warp_conv_eth_dev_num(eth_dev_num), hw_addr[0], hw_addr[1], hw_addr[2], hw_addr[3], hw_addr[4], hw_addr[5]); |
---|
838 | |
---|
839 | // Read the IP address from the node |
---|
840 | transport_read_ip_addr(eth_dev_num, ip_addr); |
---|
841 | |
---|
842 | wl_printf(WL_PRINT_NONE, NULL, " ETH %c IP Address: %d.%d.%d.%d\n", |
---|
843 | warp_conv_eth_dev_num(eth_dev_num), ip_addr[0], ip_addr[1], ip_addr[2], ip_addr[3]); |
---|
844 | |
---|
845 | return status; |
---|
846 | } |
---|
847 | |
---|
848 | |
---|
849 | |
---|
850 | /*****************************************************************************/ |
---|
851 | /** |
---|
852 | * Read the IP address from the node |
---|
853 | * |
---|
854 | * @param eth_dev_num - Ethernet device number |
---|
855 | * @param ip_addr - Pointer to an u8 array to return the IP address |
---|
856 | * |
---|
857 | * @return int - Status of the command: |
---|
858 | * XST_SUCCESS - Command completed successfully |
---|
859 | * XST_FAILURE - There was an error in the command |
---|
860 | * |
---|
861 | ******************************************************************************/ |
---|
862 | int transport_read_ip_addr(u32 eth_dev_num, u8 * ip_addr) { |
---|
863 | |
---|
864 | u32 tmp_ip_address = 0; |
---|
865 | |
---|
866 | switch (eth_dev_num) { |
---|
867 | case WL_ETH_A: |
---|
868 | tmp_ip_address = WL_ETH_A_IP_ADDR_BASE; |
---|
869 | break; |
---|
870 | case WL_ETH_B: |
---|
871 | tmp_ip_address = WL_ETH_B_IP_ADDR_BASE; |
---|
872 | break; |
---|
873 | } |
---|
874 | |
---|
875 | if (tmp_ip_address == 0) { |
---|
876 | return XST_FAILURE; |
---|
877 | } |
---|
878 | |
---|
879 | // Populate the output array |
---|
880 | ip_addr[0] = (tmp_ip_address >> 24) & 0xFF; |
---|
881 | ip_addr[1] = (tmp_ip_address >> 16) & 0xFF; |
---|
882 | ip_addr[2] = (tmp_ip_address >> 8) & 0xFF; |
---|
883 | ip_addr[3] = (node + 1); // IP ADDR = x.y.z.( node + 1 ) |
---|
884 | |
---|
885 | return XST_SUCCESS; |
---|
886 | } |
---|
887 | |
---|
888 | |
---|
889 | |
---|
890 | /*****************************************************************************/ |
---|
891 | /** |
---|
892 | * This function will read the status of a Ethernet controller |
---|
893 | * |
---|
894 | * @param eth_dev_num - Ethernet device number |
---|
895 | * |
---|
896 | * @return u16 - Bits are defined for the WARP Ethernet chip. See wl_transport.h |
---|
897 | * for defines for relevant fields |
---|
898 | * |
---|
899 | *****************************************************************************/ |
---|
900 | u16 transport_get_ethernet_status(u32 eth_dev_num) { |
---|
901 | |
---|
902 | u16 reg_val = 0; |
---|
903 | |
---|
904 | // Check that we are initializing a valid Ethernet device for the transport |
---|
905 | if (transport_check_device(eth_dev_num) != XST_SUCCESS) { |
---|
906 | return LINK_NOT_READY; |
---|
907 | } |
---|
908 | |
---|
909 | if (eth_devices[eth_dev_num].initialized == WL_ETH_DEV_INITIALIZED) { |
---|
910 | |
---|
911 | // Check if the Ethernet PHY reports a valid link |
---|
912 | eth_read_phy_reg(eth_dev_num, eth_devices[eth_dev_num].phy_addr, ETH_PHY_STATUS_REG, ®_val); |
---|
913 | } |
---|
914 | |
---|
915 | return reg_val; |
---|
916 | } |
---|
917 | |
---|
918 | |
---|
919 | |
---|
920 | /*****************************************************************************/ |
---|
921 | /** |
---|
922 | * Initialize the information about the Ethernet device |
---|
923 | * |
---|
924 | * @param eth_dev_num - Ethernet device number |
---|
925 | * |
---|
926 | * @return None |
---|
927 | * |
---|
928 | ******************************************************************************/ |
---|
929 | void transport_wl_eth_dev_info_init(u32 eth_dev_num) { |
---|
930 | |
---|
931 | // Initialize Ethernet device |
---|
932 | switch (eth_dev_num) { |
---|
933 | case WL_ETH_A: |
---|
934 | eth_devices[eth_dev_num].default_speed = WL_ETH_A_DEFAULT_SPEED; |
---|
935 | eth_devices[eth_dev_num].phy_addr = WL_ETH_A_MDIO_PHYADDR; |
---|
936 | break; |
---|
937 | |
---|
938 | case WL_ETH_B: |
---|
939 | eth_devices[eth_dev_num].default_speed = WL_ETH_B_DEFAULT_SPEED; |
---|
940 | eth_devices[eth_dev_num].phy_addr = WL_ETH_B_MDIO_PHYADDR; |
---|
941 | break; |
---|
942 | |
---|
943 | default: |
---|
944 | xil_printf(" **** ERROR: Ethernet device %d not configured in hardware.", (eth_dev_num + 1)); |
---|
945 | break; |
---|
946 | } |
---|
947 | |
---|
948 | // Common initialization |
---|
949 | eth_devices[eth_dev_num].type = WL_IP_UDP_TRANSPORT; |
---|
950 | eth_devices[eth_dev_num].hw_addr[0] = 0; |
---|
951 | eth_devices[eth_dev_num].hw_addr[1] = 0; |
---|
952 | eth_devices[eth_dev_num].ip_addr = 0; |
---|
953 | eth_devices[eth_dev_num].unicast_socket = SOCKET_INVALID_SOCKET; |
---|
954 | eth_devices[eth_dev_num].broadcast_socket = SOCKET_INVALID_SOCKET; |
---|
955 | eth_devices[eth_dev_num].group_id = 0; |
---|
956 | eth_devices[eth_dev_num].initialized = WL_ETH_DEV_INITIALIZED; |
---|
957 | } |
---|
958 | |
---|
959 | |
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960 | |
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961 | /*****************************************************************************/ |
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962 | /** |
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963 | * @brief Transport subsystem initialization |
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964 | * |
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965 | * Initializes the transport subsystem |
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966 | * |
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967 | * @param eth_dev_num - Ethernet device number |
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968 | * @param init_driver - Initialize the WARP IP/UDP driver (should only be done once) |
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969 | * |
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970 | * @return int - Status of the command: |
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971 | * XST_SUCCESS - Command completed successfully |
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972 | * XST_FAILURE - There was an error in the command |
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973 | ******************************************************************************/ |
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974 | int transport_init(u32 eth_dev_num, u8 init_driver) { |
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975 | |
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976 | int status = XST_SUCCESS; |
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977 | |
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978 | u8 node_ip_addr[IP_ADDR_LEN]; |
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979 | u8 node_hw_addr[ETH_MAC_ADDR_LEN]; |
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980 | |
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981 | // Print initialization message |
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982 | wl_printf(WL_PRINT_NONE, NULL, "Configuring transport ...\n"); |
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983 | |
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984 | // Initialize the User callback for processing a packet |
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985 | process_hton_msg_callback = wl_null_callback; |
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986 | |
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987 | // Check that we are initializing a valid Ethernet device for the transport |
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988 | if (transport_check_device(eth_dev_num) != XST_SUCCESS) { |
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989 | return XST_FAILURE; |
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990 | } |
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991 | |
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992 | // Initialize the WARP UDP transport global variables |
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993 | if (init_driver) { |
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994 | warp_ip_udp_init(); |
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995 | } |
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996 | |
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997 | // Get device specific MAC / IP address from the EEPROM |
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998 | status = transport_get_hw_info(eth_dev_num, (u8 *)&node_hw_addr, (u8 *)&node_ip_addr); |
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999 | |
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1000 | if (status != XST_SUCCESS) { |
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1001 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Error retrieving node specific HW info from EEPROM: %d \n", status); |
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1002 | } |
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1003 | |
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1004 | // Initialize the Ethernet device (use verbose mode) |
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1005 | status = eth_init(eth_dev_num, node_hw_addr, node_ip_addr, 0x1); |
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1006 | |
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1007 | if (status != XST_SUCCESS) { |
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1008 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Ethernet %c initialization error\n", warp_conv_eth_dev_num(eth_dev_num)); |
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1009 | } |
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1010 | |
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1011 | // Initialize the wl_eth_devices structure |
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1012 | transport_wl_eth_dev_info_init(eth_dev_num); |
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1013 | |
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1014 | // Set the Ethernet link speed |
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1015 | if (WL_NEGOTIATE_ETH_LINK_SPEED) { |
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1016 | // Enable auto-negotiation in the Ethernet PHY |
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1017 | transport_set_eth_phy_auto_negotiation(eth_dev_num, WL_ENABLE); |
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1018 | |
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1019 | // Update the link speed |
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1020 | transport_update_link_speed(eth_dev_num, ETH_WAIT_FOR_AUTO_NEGOTIATION); |
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1021 | |
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1022 | } else { |
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1023 | // Disable auto-negotiation in the Ethernet PHY |
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1024 | transport_set_eth_phy_auto_negotiation(eth_dev_num, WL_DISABLE); |
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1025 | |
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1026 | // Update the link speed |
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1027 | transport_update_link_speed(eth_dev_num, ETH_DO_NOT_WAIT_FOR_AUTO_NEGOTIATION); |
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1028 | } |
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1029 | |
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1030 | // Start Ethernet device |
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1031 | status = eth_start_device(eth_dev_num); |
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1032 | |
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1033 | if (status != XST_SUCCESS) { |
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1034 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Cannot start Ethernet %c\n", warp_conv_eth_dev_num(eth_dev_num)); |
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1035 | } |
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1036 | |
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1037 | // Configure the Sockets for each Ethernet Interface |
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1038 | status = transport_config_sockets(eth_dev_num, NODE_UDP_UNICAST_PORT_BASE, NODE_UDP_MCAST_BASE); |
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1039 | |
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1040 | if (status != XST_SUCCESS) { |
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1041 | wl_printf(WL_PRINT_ERROR, print_type_transport, "Cannot configure sockets for Ethernet %c\n", warp_conv_eth_dev_num(eth_dev_num)); |
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1042 | } |
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1043 | |
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1044 | return status; |
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1045 | } |
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1046 | |
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