2 * FreeRTOS+TCP V2.0.7
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3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * http://www.FreeRTOS.org
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23 * http://aws.amazon.com/freertos
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25 * 1 tab == 4 spaces!
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28 #ifndef FREERTOS_DEFAULT_IP_CONFIG_H
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29 #define FREERTOS_DEFAULT_IP_CONFIG_H
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31 /* The error numbers defined in this file will be moved to the core FreeRTOS
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32 code in future versions of FreeRTOS - at which time the following header file
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34 #include "FreeRTOS_errno_TCP.h"
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36 /* This file provides default values for configuration options that are missing
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37 from the FreeRTOSIPConfig.h configuration header file. */
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40 /* Ensure defined configuration constants are using the most up to date naming. */
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41 #ifdef tcpconfigIP_TIME_TO_LIVE
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42 #error now called: ipconfigTCP_TIME_TO_LIVE
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45 #ifdef updconfigIP_TIME_TO_LIVE
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46 #error now called: ipconfigUDP_TIME_TO_LIVE
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49 #ifdef ipFILLER_SIZE
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50 #error now called: ipconfigPACKET_FILLER_SIZE
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53 #ifdef dnsMAX_REQUEST_ATTEMPTS
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54 #error now called: ipconfigDNS_REQUEST_ATTEMPTS
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57 #ifdef ipconfigUDP_TASK_PRIORITY
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58 #error now called: ipconfigIP_TASK_PRIORITY
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61 #ifdef ipconfigUDP_TASK_STACK_SIZE_WORDS
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62 #error now called: ipconfigIP_TASK_STACK_SIZE_WORDS
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65 #ifdef ipconfigDRIVER_INCLUDED_RX_IP_FILTERING
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66 #error now called: ipconfigETHERNET_DRIVER_FILTERS_PACKETS
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69 #ifdef ipconfigMAX_SEND_BLOCK_TIME_TICKS
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70 #error now called: ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS
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73 #ifdef ipconfigUSE_RECEIVE_CONNECT_CALLBACKS
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74 #error now called: ipconfigUSE_CALLBACKS
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77 #ifdef ipconfigNUM_NETWORK_BUFFERS
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78 #error now called: ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS
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81 #ifdef ipconfigTCP_HANG_PROT
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82 #error now called: ipconfigTCP_HANG_PROTECTION
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85 #ifdef ipconfigTCP_HANG_PROT_TIME
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86 #error now called: ipconfigTCP_HANG_PROTECTION_TIME
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89 #ifdef FreeRTOS_lprintf
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90 #error now called: FreeRTOS_debug_printf
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93 #if ( ipconfigEVENT_QUEUE_LENGTH < ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 ) )
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94 #error The ipconfigEVENT_QUEUE_LENGTH parameter must be at least ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5
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97 #if ( ipconfigNETWORK_MTU < 46 )
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98 #error ipconfigNETWORK_MTU must be at least 46.
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101 #ifdef ipconfigBUFFER_ALLOC_FIXED_SIZE
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102 #error ipconfigBUFFER_ALLOC_FIXED_SIZE was dropped and replaced by a const value, declared in BufferAllocation[12].c
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105 #ifdef ipconfigNIC_SEND_PASSES_DMA
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106 #error now called: ipconfigZERO_COPY_TX_DRIVER
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109 #ifdef HAS_TX_CRC_OFFLOADING
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110 /* _HT_ As these macro names have changed, throw an error
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111 if they're still defined. */
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112 #error now called: ipconfigHAS_TX_CRC_OFFLOADING
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115 #ifdef HAS_RX_CRC_OFFLOADING
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116 #error now called: ipconfigHAS_RX_CRC_OFFLOADING
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119 #ifdef ipconfigTCP_RX_BUF_LEN
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120 #error ipconfigTCP_RX_BUF_LEN is now called ipconfigTCP_RX_BUFFER_LENGTH
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123 #ifdef ipconfigTCP_TX_BUF_LEN
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124 #error ipconfigTCP_TX_BUF_LEN is now called ipconfigTCP_TX_BUFFER_LENGTH
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127 #ifdef ipconfigDHCP_USES_USER_HOOK
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128 #error ipconfigDHCP_USES_USER_HOOK and its associated callback have been superceeded - see http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK
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131 #ifndef ipconfigUSE_TCP
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132 #define ipconfigUSE_TCP ( 1 )
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135 #if ipconfigUSE_TCP
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137 /* Include support for TCP scaling windows */
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138 #ifndef ipconfigUSE_TCP_WIN
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139 #define ipconfigUSE_TCP_WIN ( 1 )
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142 #ifndef ipconfigTCP_WIN_SEG_COUNT
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143 #define ipconfigTCP_WIN_SEG_COUNT ( 256 )
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146 #ifndef ipconfigIGNORE_UNKNOWN_PACKETS
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147 /* When non-zero, TCP will not send RST packets in reply to
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148 TCP packets which are unknown, or out-of-order. */
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149 #define ipconfigIGNORE_UNKNOWN_PACKETS ( 0 )
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154 * For debuging/logging: check if the port number is used for telnet
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155 * Some events will not be logged for telnet connections
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156 * because it would produce logging about the transmission of the logging...
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157 * This macro will only be used if FreeRTOS_debug_printf() is defined for logging
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159 #ifndef ipconfigTCP_MAY_LOG_PORT
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160 #define ipconfigTCP_MAY_LOG_PORT(xPort) ( ( xPort ) != 23u )
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164 #ifndef ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME
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165 #define ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME portMAX_DELAY
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168 #ifndef ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME
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169 #define ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME portMAX_DELAY
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173 * FreeRTOS debug logging routine (proposal)
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174 * The macro will be called in the printf() style. Users can define
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175 * their own logging routine as:
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177 * #define FreeRTOS_debug_printf( MSG ) my_printf MSG
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179 * The FreeRTOS_debug_printf() must be thread-safe but does not have to be
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182 #ifdef ipconfigHAS_DEBUG_PRINTF
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183 #if( ipconfigHAS_DEBUG_PRINTF == 0 )
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184 #ifdef FreeRTOS_debug_printf
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185 #error Do not define FreeRTOS_debug_print if ipconfigHAS_DEBUG_PRINTF is set to 0
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186 #endif /* ifdef FreeRTOS_debug_printf */
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187 #endif /* ( ipconfigHAS_DEBUG_PRINTF == 0 ) */
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188 #endif /* ifdef ipconfigHAS_DEBUG_PRINTF */
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190 #ifndef FreeRTOS_debug_printf
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191 #define FreeRTOS_debug_printf( MSG ) do{} while(0)
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192 #define ipconfigHAS_DEBUG_PRINTF 0
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196 * FreeRTOS general logging routine (proposal)
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197 * Used in some utility functions such as FreeRTOS_netstat() and FreeRTOS_PrintARPCache()
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199 * #define FreeRTOS_printf( MSG ) my_printf MSG
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201 * The FreeRTOS_printf() must be thread-safe but does not have to be interrupt-safe
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203 #ifdef ipconfigHAS_PRINTF
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204 #if( ipconfigHAS_PRINTF == 0 )
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205 #ifdef FreeRTOS_printf
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206 #error Do not define FreeRTOS_print if ipconfigHAS_PRINTF is set to 0
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207 #endif /* ifdef FreeRTOS_debug_printf */
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208 #endif /* ( ipconfigHAS_PRINTF == 0 ) */
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209 #endif /* ifdef ipconfigHAS_PRINTF */
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211 #ifndef FreeRTOS_printf
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212 #define FreeRTOS_printf( MSG ) do{} while(0)
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213 #define ipconfigHAS_PRINTF 0
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217 * In cases where a lot of logging is produced, FreeRTOS_flush_logging( )
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218 * will be called to give the logging module a chance to flush the data
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219 * An example of this is the netstat command, which produces many lines of logging
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221 #ifndef FreeRTOS_flush_logging
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222 #define FreeRTOS_flush_logging( ) do{} while(0)
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225 /* Malloc functions. Within most applications of FreeRTOS, the couple
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226 * pvPortMalloc()/vPortFree() will be used.
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227 * If there is also SDRAM, the user may decide to use a different memory
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229 * MallocLarge is used to allocate large TCP buffers (for Rx/Tx)
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230 * MallocSocket is used to allocate the space for the sockets
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232 #ifndef pvPortMallocLarge
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233 #define pvPortMallocLarge( x ) pvPortMalloc( x )
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236 #ifndef vPortFreeLarge
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237 #define vPortFreeLarge(ptr) vPortFree(ptr)
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240 #ifndef pvPortMallocSocket
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241 #define pvPortMallocSocket( x ) pvPortMalloc( x )
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244 #ifndef vPortFreeSocket
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245 #define vPortFreeSocket(ptr) vPortFree(ptr)
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249 * At several places within the library, random numbers are needed:
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250 * - DHCP: For creating a DHCP transaction number
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251 * - TCP: Set the Initial Sequence Number: this is the value of the first outgoing
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252 * sequence number being used when connecting to a peer.
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253 * Having a well randomised ISN is important to avoid spoofing
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254 * - UDP/TCP: for setting the first port number to be used, in case a socket
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255 * uses a 'random' or anonymous port number
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257 #ifndef ipconfigRAND32
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258 #define ipconfigRAND32() rand()
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260 /* --------------------------------------------------------
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261 * End of: HT Added some macro defaults for the PLUS-UDP project
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262 * -------------------------------------------------------- */
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264 #ifndef ipconfigUSE_NETWORK_EVENT_HOOK
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265 #define ipconfigUSE_NETWORK_EVENT_HOOK 0
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268 #ifndef ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS
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269 #define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS ( pdMS_TO_TICKS( 20 ) )
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272 #ifndef ipconfigARP_CACHE_ENTRIES
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273 #define ipconfigARP_CACHE_ENTRIES 10
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276 #ifndef ipconfigMAX_ARP_RETRANSMISSIONS
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277 #define ipconfigMAX_ARP_RETRANSMISSIONS ( 5u )
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280 #ifndef ipconfigMAX_ARP_AGE
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281 #define ipconfigMAX_ARP_AGE 150u
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284 #ifndef ipconfigUSE_ARP_REVERSED_LOOKUP
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285 #define ipconfigUSE_ARP_REVERSED_LOOKUP 0
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288 #ifndef ipconfigUSE_ARP_REMOVE_ENTRY
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289 #define ipconfigUSE_ARP_REMOVE_ENTRY 0
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292 #ifndef ipconfigINCLUDE_FULL_INET_ADDR
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293 #define ipconfigINCLUDE_FULL_INET_ADDR 1
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296 #ifndef ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS
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297 #define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS 45
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300 #ifndef ipconfigEVENT_QUEUE_LENGTH
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301 #define ipconfigEVENT_QUEUE_LENGTH ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 )
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304 #ifndef ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND
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305 #define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND 1
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308 #ifndef ipconfigUDP_TIME_TO_LIVE
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309 #define ipconfigUDP_TIME_TO_LIVE 128
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312 #ifndef ipconfigTCP_TIME_TO_LIVE
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313 #define ipconfigTCP_TIME_TO_LIVE 128
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316 #ifndef ipconfigUDP_MAX_RX_PACKETS
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317 /* Make postive to define the maximum number of packets which will be buffered
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318 * for each UDP socket.
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319 * Can be overridden with the socket option FREERTOS_SO_UDP_MAX_RX_PACKETS
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321 #define ipconfigUDP_MAX_RX_PACKETS 0u
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324 #ifndef ipconfigUSE_DHCP
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325 #define ipconfigUSE_DHCP 1
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328 #ifndef ipconfigUSE_DHCP_HOOK
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329 #define ipconfigUSE_DHCP_HOOK 0
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332 #ifndef ipconfigDHCP_FALL_BACK_AUTO_IP
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334 * Only applicable when DHCP is in use:
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335 * If no DHCP server responds, use "Auto-IP" : the
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336 * device will allocate a random LinkLayer IP address.
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338 #define ipconfigDHCP_FALL_BACK_AUTO_IP ( 0 )
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341 #if( ipconfigDHCP_FALL_BACK_AUTO_IP != 0 )
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342 #define ipconfigARP_USE_CLASH_DETECTION 1
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345 #ifndef ipconfigARP_USE_CLASH_DETECTION
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346 #define ipconfigARP_USE_CLASH_DETECTION 0
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349 #ifndef ipconfigNETWORK_MTU
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350 #define ipconfigNETWORK_MTU 1500
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353 #ifndef ipconfigTCP_MSS
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354 #define ipconfigTCP_MSS ( ipconfigNETWORK_MTU - ipSIZE_OF_IPv4_HEADER - ipSIZE_OF_TCP_HEADER )
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357 /* Each TCP socket has circular stream buffers for Rx and Tx, which
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358 * have a fixed maximum size.
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359 * The defaults for these size are defined here, although
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360 * they can be overridden at runtime by using the setsockopt() call */
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361 #ifndef ipconfigTCP_RX_BUFFER_LENGTH
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362 #define ipconfigTCP_RX_BUFFER_LENGTH ( 4u * ipconfigTCP_MSS ) /* defaults to 5840 bytes */
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365 /* Define the size of Tx stream buffer for TCP sockets */
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366 #ifndef ipconfigTCP_TX_BUFFER_LENGTH
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367 # define ipconfigTCP_TX_BUFFER_LENGTH ( 4u * ipconfigTCP_MSS ) /* defaults to 5840 bytes */
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370 #ifndef ipconfigMAXIMUM_DISCOVER_TX_PERIOD
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372 #define ipconfigMAXIMUM_DISCOVER_TX_PERIOD ( pdMS_TO_TICKS( 999 ) )
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374 #define ipconfigMAXIMUM_DISCOVER_TX_PERIOD ( pdMS_TO_TICKS( 30000 ) )
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375 #endif /* _WINDOWS_ */
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376 #endif /* ipconfigMAXIMUM_DISCOVER_TX_PERIOD */
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378 #ifndef ipconfigUSE_DNS
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379 #define ipconfigUSE_DNS 1
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382 #ifndef ipconfigDNS_REQUEST_ATTEMPTS
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383 #define ipconfigDNS_REQUEST_ATTEMPTS 5
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386 #ifndef ipconfigUSE_DNS_CACHE
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387 #define ipconfigUSE_DNS_CACHE 0
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390 #if( ipconfigUSE_DNS_CACHE != 0 )
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391 #ifndef ipconfigDNS_CACHE_NAME_LENGTH
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392 /* Per https://tools.ietf.org/html/rfc1035, 253 is the maximum string length
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393 of a DNS name. The following default accounts for a null terminator. */
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394 #define ipconfigDNS_CACHE_NAME_LENGTH 254
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397 #ifndef ipconfigDNS_CACHE_ENTRIES
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398 #define ipconfigDNS_CACHE_ENTRIES 1
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400 #endif /* ipconfigUSE_DNS_CACHE != 0 */
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402 #ifndef ipconfigCHECK_IP_QUEUE_SPACE
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403 #define ipconfigCHECK_IP_QUEUE_SPACE 0
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406 #ifndef ipconfigUSE_LLMNR
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407 /* Include support for LLMNR: Link-local Multicast Name Resolution (non-Microsoft) */
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408 #define ipconfigUSE_LLMNR ( 0 )
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411 #if( !defined( ipconfigUSE_DNS ) )
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412 #if( ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) )
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413 /* LLMNR and NBNS depend on DNS because those protocols share a lot of code. */
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414 #error When either LLMNR or NBNS is used, ipconfigUSE_DNS must be defined
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418 #ifndef ipconfigREPLY_TO_INCOMING_PINGS
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419 #define ipconfigREPLY_TO_INCOMING_PINGS 1
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422 #ifndef ipconfigSUPPORT_OUTGOING_PINGS
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423 #define ipconfigSUPPORT_OUTGOING_PINGS 0
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426 #ifndef ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES
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427 #define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES 1
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430 #ifndef ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES
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431 #define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES 1
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434 #ifndef configINCLUDE_TRACE_RELATED_CLI_COMMANDS
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435 #define ipconfigINCLUDE_EXAMPLE_FREERTOS_PLUS_TRACE_CALLS 0
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437 #define ipconfigINCLUDE_EXAMPLE_FREERTOS_PLUS_TRACE_CALLS configINCLUDE_TRACE_RELATED_CLI_COMMANDS
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440 #ifndef ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM
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441 #define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM ( 0 )
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444 #ifndef ipconfigETHERNET_DRIVER_FILTERS_PACKETS
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445 #define ipconfigETHERNET_DRIVER_FILTERS_PACKETS ( 0 )
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448 #ifndef ipconfigWATCHDOG_TIMER
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449 /* This macro will be called in every loop the IP-task makes. It may be
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450 replaced by user-code that triggers a watchdog */
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451 #define ipconfigWATCHDOG_TIMER()
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454 #ifndef ipconfigUSE_CALLBACKS
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455 #define ipconfigUSE_CALLBACKS ( 0 )
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458 #if( ipconfigUSE_CALLBACKS != 0 )
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459 #ifndef ipconfigIS_VALID_PROG_ADDRESS
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460 /* Replace this macro with a test returning non-zero if the memory pointer to by x
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461 * is valid memory which can contain executable code
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462 * In fact this is an extra safety measure: if a handler points to invalid memory,
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463 * it will not be called
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465 #define ipconfigIS_VALID_PROG_ADDRESS(x) ( ( x ) != NULL )
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469 #ifndef ipconfigHAS_INLINE_FUNCTIONS
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470 #define ipconfigHAS_INLINE_FUNCTIONS ( 1 )
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474 #define portINLINE inline
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477 #ifndef ipconfigZERO_COPY_TX_DRIVER
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478 /* When non-zero, the buffers passed to the SEND routine may be passed
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479 to DMA. As soon as sending is ready, the buffers must be released by
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480 calling vReleaseNetworkBufferAndDescriptor(), */
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481 #define ipconfigZERO_COPY_TX_DRIVER ( 0 )
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484 #ifndef ipconfigZERO_COPY_RX_DRIVER
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485 /* This define doesn't mean much to the driver, except that it makes
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486 sure that pxPacketBuffer_to_NetworkBuffer() will be included. */
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487 #define ipconfigZERO_COPY_RX_DRIVER ( 0 )
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490 #ifndef ipconfigDRIVER_INCLUDED_TX_IP_CHECKSUM
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491 #define ipconfigDRIVER_INCLUDED_TX_IP_CHECKSUM 0
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494 #ifndef ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM
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495 #define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM 0
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498 #ifndef ipconfigDHCP_REGISTER_HOSTNAME
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499 #define ipconfigDHCP_REGISTER_HOSTNAME 0
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502 #ifndef ipconfigSOCKET_HAS_USER_SEMAPHORE
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503 #define ipconfigSOCKET_HAS_USER_SEMAPHORE 0
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506 #ifndef ipconfigSOCKET_HAS_USER_WAKE_CALLBACK
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507 #define ipconfigSOCKET_HAS_USER_WAKE_CALLBACK 0
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510 #ifndef ipconfigSUPPORT_SELECT_FUNCTION
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511 #define ipconfigSUPPORT_SELECT_FUNCTION 0
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514 #ifndef ipconfigTCP_KEEP_ALIVE
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515 #define ipconfigTCP_KEEP_ALIVE 0
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518 #ifndef ipconfigDNS_USE_CALLBACKS
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519 #define ipconfigDNS_USE_CALLBACKS 0
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522 #ifndef ipconfigSUPPORT_SIGNALS
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523 #define ipconfigSUPPORT_SIGNALS 0
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526 #ifndef ipconfigUSE_NBNS
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527 #define ipconfigUSE_NBNS 0
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530 /* As an attack surface reduction for ports that listen for inbound
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531 connections, hang protection can help reduce the impact of SYN floods. */
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532 #ifndef ipconfigTCP_HANG_PROTECTION
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533 #define ipconfigTCP_HANG_PROTECTION 1
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536 /* Non-activity timeout is expressed in seconds. */
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537 #ifndef ipconfigTCP_HANG_PROTECTION_TIME
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538 #define ipconfigTCP_HANG_PROTECTION_TIME 30
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541 #ifndef ipconfigTCP_IP_SANITY
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542 #define ipconfigTCP_IP_SANITY 0
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545 #ifndef ipconfigARP_STORES_REMOTE_ADDRESSES
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546 #define ipconfigARP_STORES_REMOTE_ADDRESSES 0
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549 #ifndef ipconfigBUFFER_PADDING
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550 /* Expert option: define a value for 'ipBUFFER_PADDING'.
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551 When 'ipconfigBUFFER_PADDING' equals 0,
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552 'ipBUFFER_PADDING' will get a default value of 8 + 2 bytes. */
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553 #define ipconfigBUFFER_PADDING 0
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556 #ifndef ipconfigPACKET_FILLER_SIZE
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557 #define ipconfigPACKET_FILLER_SIZE 2
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560 #endif /* FREERTOS_DEFAULT_IP_CONFIG_H */
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