FreeRTOSIPConfig.h 18 KB

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  1. /*
  2. * FreeRTOS Kernel V10.4.1
  3. * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  4. *
  5. * Permission is hereby granted, free of charge, to any person obtaining a copy of
  6. * this software and associated documentation files (the "Software"), to deal in
  7. * the Software without restriction, including without limitation the rights to
  8. * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  9. * the Software, and to permit persons to whom the Software is furnished to do so,
  10. * subject to the following conditions:
  11. *
  12. * The above copyright notice and this permission notice shall be included in all
  13. * copies or substantial portions of the Software.
  14. *
  15. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  17. * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  18. * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  19. * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  20. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21. *
  22. * http://aws.amazon.com/freertos
  23. * http://www.FreeRTOS.org
  24. */
  25. /*****************************************************************************
  26. *
  27. * See the following URL for configuration information.
  28. * http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html
  29. *
  30. *****************************************************************************/
  31. #ifndef FREERTOS_IP_CONFIG_H
  32. #define FREERTOS_IP_CONFIG_H
  33. #include "board.h"
  34. /* Set to 1 to print out debug messages. If ipconfigHAS_DEBUG_PRINTF is set to
  35. * 1 then FreeRTOS_debug_printf should be defined to the function used to print
  36. * out the debugging messages. */
  37. #define ipconfigHAS_DEBUG_PRINTF 0
  38. #if ( ipconfigHAS_DEBUG_PRINTF == 1 )
  39. #define FreeRTOS_debug_printf( X ) printf X
  40. //configPRINTF( X )
  41. #endif
  42. /* Set to 1 to print out non debugging messages, for example the output of the
  43. * FreeRTOS_netstat() command, and ping replies. If ipconfigHAS_PRINTF is set to 1
  44. * then FreeRTOS_printf should be set to the function used to print out the
  45. * messages. */
  46. #define ipconfigHAS_PRINTF 1
  47. #if ( ipconfigHAS_PRINTF == 1 )
  48. #define FreeRTOS_printf( X ) configPRINTF( X )
  49. #endif
  50. /* Define the byte order of the target MCU (the MCU FreeRTOS+TCP is executing
  51. * on). Valid options are pdFREERTOS_BIG_ENDIAN and pdFREERTOS_LITTLE_ENDIAN. */
  52. #define ipconfigBYTE_ORDER pdFREERTOS_LITTLE_ENDIAN
  53. /* If the network card/driver includes checksum offloading (IP/TCP/UDP checksums)
  54. * then set ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM to 1 to prevent the software
  55. * stack repeating the checksum calculations. */
  56. #if FREERTOS_TCP_ETH_EN
  57. #define ipconfigDRIVER_INCLUDED_TX_IP_CHECKSUM ( 1 )
  58. #endif
  59. #define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM ( 1 )
  60. /* Several API's will block until the result is known, or the action has been
  61. * performed, for example FreeRTOS_send() and FreeRTOS_recv(). The timeouts can be
  62. * set per socket, using setsockopt(). If not set, the times below will be
  63. * used as defaults. */
  64. #define ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME ( 5000 )
  65. #define ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME ( 5000 )
  66. /* Include support for DNS caching. For TCP, having a small DNS cache is very
  67. * useful. When a cache is present, ipconfigDNS_REQUEST_ATTEMPTS can be kept low
  68. * and also DNS may use small timeouts. If a DNS reply comes in after the DNS
  69. * socket has been destroyed, the result will be stored into the cache. The next
  70. * call to FreeRTOS_gethostbyname() will return immediately, without even creating
  71. * a socket.
  72. */
  73. #define ipconfigUSE_DNS_CACHE ( 1 )
  74. #define ipconfigDNS_CACHE_ADDRESSES_PER_ENTRY ( 6 )
  75. #define ipconfigDNS_REQUEST_ATTEMPTS ( 2 )
  76. /* The IP stack executes it its own task (although any application task can make
  77. * use of its services through the published sockets API). ipconfigUDP_TASK_PRIORITY
  78. * sets the priority of the task that executes the IP stack. The priority is a
  79. * standard FreeRTOS task priority so can take any value from 0 (the lowest
  80. * priority) to (configMAX_PRIORITIES - 1) (the highest priority).
  81. * configMAX_PRIORITIES is a standard FreeRTOS configuration parameter defined in
  82. * FreeRTOSConfig.h, not FreeRTOSIPConfig.h. Consideration needs to be given as to
  83. * the priority assigned to the task executing the IP stack relative to the
  84. * priority assigned to tasks that use the IP stack. */
  85. #if FREERTOS_TCP_ETH_EN
  86. #define ipconfigIP_TASK_PRIORITY ( configMAX_PRIORITIES - 3 )
  87. #else
  88. #define ipconfigIP_TASK_PRIORITY ( 18 )
  89. #endif
  90. /* The size, in words (not bytes), of the stack allocated to the FreeRTOS+TCP
  91. * task. This setting is less important when the FreeRTOS Win32 simulator is used
  92. * as the Win32 simulator only stores a fixed amount of information on the task
  93. * stack. FreeRTOS includes optional stack overflow detection, see:
  94. * http://www.freertos.org/Stacks-and-stack-overflow-checking.html. */
  95. #if FREERTOS_TCP_ETH_EN
  96. #define ipconfigIP_TASK_STACK_SIZE_WORDS ( configMINIMAL_STACK_SIZE * 8 )
  97. #else
  98. #define ipconfigIP_TASK_STACK_SIZE_WORDS ( configMINIMAL_STACK_SIZE * 5 )
  99. #endif
  100. /* ipconfigRAND32() is called by the IP stack to generate random numbers for
  101. * things such as a DHCP transaction number or initial sequence number. Random
  102. * number generation is performed via this macro to allow applications to use their
  103. * own random number generation method. For example, it might be possible to
  104. * generate a random number by sampling noise on an analogue input. */
  105. extern uint32_t ulRand();
  106. #define ipconfigRAND32() ulRand()
  107. /* If ipconfigUSE_NETWORK_EVENT_HOOK is set to 1 then FreeRTOS+TCP will call the
  108. * network event hook at the appropriate times. If ipconfigUSE_NETWORK_EVENT_HOOK
  109. * is not set to 1 then the network event hook will never be called. See:
  110. * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/API/vApplicationIPNetworkEventHook.shtml.
  111. */
  112. #define ipconfigUSE_NETWORK_EVENT_HOOK 0
  113. /* Sockets have a send block time attribute. If FreeRTOS_sendto() is called but
  114. * a network buffer cannot be obtained then the calling task is held in the Blocked
  115. * state (so other tasks can continue to executed) until either a network buffer
  116. * becomes available or the send block time expires. If the send block time expires
  117. * then the send operation is aborted. The maximum allowable send block time is
  118. * capped to the value set by ipconfigMAX_SEND_BLOCK_TIME_TICKS. Capping the
  119. * maximum allowable send block time prevents prevents a deadlock occurring when
  120. * all the network buffers are in use and the tasks that process (and subsequently
  121. * free) the network buffers are themselves blocked waiting for a network buffer.
  122. * ipconfigMAX_SEND_BLOCK_TIME_TICKS is specified in RTOS ticks. A time in
  123. * milliseconds can be converted to a time in ticks by dividing the time in
  124. * milliseconds by portTICK_PERIOD_MS. */
  125. #define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS ( 5000U / portTICK_PERIOD_MS )
  126. /* If ipconfigUSE_DHCP is 1 then FreeRTOS+TCP will attempt to retrieve an IP
  127. * address, netmask, DNS server address and gateway address from a DHCP server. If
  128. * ipconfigUSE_DHCP is 0 then FreeRTOS+TCP will use a static IP address. The
  129. * stack will revert to using the static IP address even when ipconfigUSE_DHCP is
  130. * set to 1 if a valid configuration cannot be obtained from a DHCP server for any
  131. * reason. The static configuration used is that passed into the stack by the
  132. * FreeRTOS_IPInit() function call. */
  133. #define ipconfigUSE_DHCP 1
  134. #if FREERTOS_TCP_ETH_EN
  135. #define ipconfigDHCP_REGISTER_HOSTNAME 1
  136. #else
  137. #define ipconfigDHCP_REGISTER_HOSTNAME 0
  138. #endif
  139. #define ipconfigDHCP_USES_UNICAST 1
  140. /* If ipconfigDHCP_USES_USER_HOOK is set to 1 then the application writer must
  141. * provide an implementation of the DHCP callback function,
  142. * xApplicationDHCPUserHook(). */
  143. #define ipconfigUSE_DHCP_HOOK 1
  144. /* When ipconfigUSE_DHCP is set to 1, DHCP requests will be sent out at
  145. * increasing time intervals until either a reply is received from a DHCP server
  146. * and accepted, or the interval between transmissions reaches
  147. * ipconfigMAXIMUM_DISCOVER_TX_PERIOD. The IP stack will revert to using the
  148. * static IP address passed as a parameter to FreeRTOS_IPInit() if the
  149. * re-transmission time interval reaches ipconfigMAXIMUM_DISCOVER_TX_PERIOD without
  150. * a DHCP reply being received. */
  151. #define ipconfigMAXIMUM_DISCOVER_TX_PERIOD \
  152. ( 120000U / portTICK_PERIOD_MS )
  153. /* The ARP cache is a table that maps IP addresses to MAC addresses. The IP
  154. * stack can only send a UDP message to a remove IP address if it knowns the MAC
  155. * address associated with the IP address, or the MAC address of the router used to
  156. * contact the remote IP address. When a UDP message is received from a remote IP
  157. * address the MAC address and IP address are added to the ARP cache. When a UDP
  158. * message is sent to a remote IP address that does not already appear in the ARP
  159. * cache then the UDP message is replaced by a ARP message that solicits the
  160. * required MAC address information. ipconfigARP_CACHE_ENTRIES defines the maximum
  161. * number of entries that can exist in the ARP table at any one time. */
  162. #define ipconfigARP_CACHE_ENTRIES 6
  163. /* ARP requests that do not result in an ARP response will be re-transmitted a
  164. * maximum of ipconfigMAX_ARP_RETRANSMISSIONS times before the ARP request is
  165. * aborted. */
  166. #define ipconfigMAX_ARP_RETRANSMISSIONS ( 5 )
  167. /* ipconfigMAX_ARP_AGE defines the maximum time between an entry in the ARP
  168. * table being created or refreshed and the entry being removed because it is stale.
  169. * New ARP requests are sent for ARP cache entries that are nearing their maximum
  170. * age. ipconfigMAX_ARP_AGE is specified in tens of seconds, so a value of 150 is
  171. * equal to 1500 seconds (or 25 minutes). */
  172. #define ipconfigMAX_ARP_AGE 150
  173. /* Implementing FreeRTOS_inet_addr() necessitates the use of string handling
  174. * routines, which are relatively large. To save code space the full
  175. * FreeRTOS_inet_addr() implementation is made optional, and a smaller and faster
  176. * alternative called FreeRTOS_inet_addr_quick() is provided. FreeRTOS_inet_addr()
  177. * takes an IP in decimal dot format (for example, "192.168.0.1") as its parameter.
  178. * FreeRTOS_inet_addr_quick() takes an IP address as four separate numerical octets
  179. * (for example, 192, 168, 0, 1) as its parameters. If
  180. * ipconfigINCLUDE_FULL_INET_ADDR is set to 1 then both FreeRTOS_inet_addr() and
  181. * FreeRTOS_indet_addr_quick() are available. If ipconfigINCLUDE_FULL_INET_ADDR is
  182. * not set to 1 then only FreeRTOS_indet_addr_quick() is available. */
  183. #define ipconfigINCLUDE_FULL_INET_ADDR 1
  184. /* ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS defines the total number of network buffer that
  185. * are available to the IP stack. The total number of network buffers is limited
  186. * to ensure the total amount of RAM that can be consumed by the IP stack is capped
  187. * to a pre-determinable value. */
  188. #define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS 60
  189. /* A FreeRTOS queue is used to send events from application tasks to the IP
  190. * stack. ipconfigEVENT_QUEUE_LENGTH sets the maximum number of events that can
  191. * be queued for processing at any one time. The event queue must be a minimum of
  192. * 5 greater than the total number of network buffers. */
  193. #define ipconfigEVENT_QUEUE_LENGTH \
  194. ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 )
  195. /* The address of a socket is the combination of its IP address and its port
  196. * number. FreeRTOS_bind() is used to manually allocate a port number to a socket
  197. * (to 'bind' the socket to a port), but manual binding is not normally necessary
  198. * for client sockets (those sockets that initiate outgoing connections rather than
  199. * wait for incoming connections on a known port number). If
  200. * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 1 then calling
  201. * FreeRTOS_sendto() on a socket that has not yet been bound will result in the IP
  202. * stack automatically binding the socket to a port number from the range
  203. * socketAUTO_PORT_ALLOCATION_START_NUMBER to 0xffff. If
  204. * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 0 then calling FreeRTOS_sendto()
  205. * on a socket that has not yet been bound will result in the send operation being
  206. * aborted. */
  207. #define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND 1
  208. /* Defines the Time To Live (TTL) values used in outgoing UDP packets. */
  209. #define ipconfigUDP_TIME_TO_LIVE 128
  210. /* Also defined in FreeRTOSIPConfigDefaults.h. */
  211. #define ipconfigTCP_TIME_TO_LIVE 128
  212. /* USE_TCP: Use TCP and all its features. */
  213. #define ipconfigUSE_TCP ( 1 )
  214. /* USE_WIN: Let TCP use windowing mechanism. */
  215. #define ipconfigUSE_TCP_WIN ( 1 )
  216. /* The MTU is the maximum number of bytes the payload of a network frame can
  217. * contain. For normal Ethernet V2 frames the maximum MTU is 1500. Setting a
  218. * lower value can save RAM, depending on the buffer management scheme used. If
  219. * ipconfigCAN_FRAGMENT_OUTGOING_PACKETS is 1 then (ipconfigNETWORK_MTU - 28) must
  220. * be divisible by 8. */
  221. #if FREERTOS_TCP_ETH_EN
  222. #define ipconfigNETWORK_MTU 1524U
  223. #else
  224. #define ipconfigNETWORK_MTU 1500U
  225. #endif
  226. /* Set ipconfigUSE_DNS to 1 to include a basic DNS client/resolver. DNS is used
  227. * through the FreeRTOS_gethostbyname() API function. */
  228. #if FREERTOS_TCP_ETH_EN
  229. #define ipconfigUSE_DNS 1
  230. #else
  231. #define ipconfigUSE_DNS 0
  232. #endif
  233. /* If ipconfigREPLY_TO_INCOMING_PINGS is set to 1 then the IP stack will
  234. * generate replies to incoming ICMP echo (ping) requests. */
  235. #define ipconfigREPLY_TO_INCOMING_PINGS 1
  236. /* If ipconfigSUPPORT_OUTGOING_PINGS is set to 1 then the
  237. * FreeRTOS_SendPingRequest() API function is available. */
  238. #define ipconfigSUPPORT_OUTGOING_PINGS 1
  239. /* If ipconfigSUPPORT_SELECT_FUNCTION is set to 1 then the FreeRTOS_select()
  240. * (and associated) API function is available. */
  241. #define ipconfigSUPPORT_SELECT_FUNCTION 1
  242. /* If ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES is set to 1 then Ethernet frames
  243. * that are not in Ethernet II format will be dropped. This option is included for
  244. * potential future IP stack developments. */
  245. #define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES 1
  246. /* If ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES is set to 1 then it is the
  247. * responsibility of the Ethernet interface to filter out packets that are of no
  248. * interest. If the Ethernet interface does not implement this functionality, then
  249. * set ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES to 0 to have the IP stack
  250. * perform the filtering instead (it is much less efficient for the stack to do it
  251. * because the packet will already have been passed into the stack). If the
  252. * Ethernet driver does all the necessary filtering in hardware then software
  253. * filtering can be removed by using a value other than 1 or 0. */
  254. #define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES 1
  255. /* The windows simulator cannot really simulate MAC interrupts, and needs to
  256. * block occasionally to allow other tasks to run. */
  257. #define configWINDOWS_MAC_INTERRUPT_SIMULATOR_DELAY ( 20 / portTICK_PERIOD_MS )
  258. /* Advanced only: in order to access 32-bit fields in the IP packets with
  259. * 32-bit memory instructions, all packets will be stored 32-bit-aligned,
  260. * plus 16-bits. This has to do with the contents of the IP-packets: all
  261. * 32-bit fields are 32-bit-aligned, plus 16-bit. */
  262. #define ipconfigPACKET_FILLER_SIZE 2U
  263. /* Define the size of the pool of TCP window descriptors. On the average, each
  264. * TCP socket will use up to 2 x 6 descriptors, meaning that it can have 2 x 6
  265. * outstanding packets (for Rx and Tx). When using up to 10 TP sockets
  266. * simultaneously, one could define TCP_WIN_SEG_COUNT as 120. */
  267. #define ipconfigTCP_WIN_SEG_COUNT 240
  268. /* Each TCP socket has a circular buffers for Rx and Tx, which have a fixed
  269. * maximum size. Define the size of Rx buffer for TCP sockets. */
  270. #define ipconfigTCP_RX_BUFFER_LENGTH ( 10000 )
  271. /* Define the size of Tx buffer for TCP sockets. */
  272. #define ipconfigTCP_TX_BUFFER_LENGTH ( 10000 )
  273. /* When using call-back handlers, the driver may check if the handler points to
  274. * real program memory (RAM or flash) or just has a random non-zero value. */
  275. #define ipconfigIS_VALID_PROG_ADDRESS( x ) ( ( x ) != NULL )
  276. /* Include support for TCP keep-alive messages. */
  277. #define ipconfigTCP_KEEP_ALIVE ( 1 )
  278. #define ipconfigTCP_KEEP_ALIVE_INTERVAL ( 20 ) /* Seconds. */
  279. /* The socket semaphore is used to unblock the MQTT task. */
  280. #define ipconfigSOCKET_HAS_USER_SEMAPHORE ( 1 )
  281. #define ipconfigSOCKET_HAS_USER_WAKE_CALLBACK ( 1 )
  282. #define ipconfigUSE_CALLBACKS ( 0 )
  283. #define portINLINE inline
  284. #define USE_IPERF 1
  285. #define ipconfigIPERF_DOES_ECHO_UDP 1
  286. #define ipconfigIPERF_VERSION 3
  287. #define ipconfigIPERF_STACK_SIZE_IPERF_TASK 680
  288. #define ipconfigIPERF_TX_BUFSIZE ( 26 * ipconfigTCP_MSS )
  289. #define ipconfigIPERF_TX_WINSIZE ( 26 )
  290. #define ipconfigIPERF_RX_BUFSIZE ( 48 * ipconfigTCP_MSS )
  291. #define ipconfigIPERF_RX_WINSIZE ( 48 )
  292. /* The iperf module declares a character buffer to store its send data. */
  293. #define ipconfigIPERF_RECV_BUFFER_SIZE ( 36 * ipconfigTCP_MSS )
  294. #define ipconfigSUPPORT_SIGNALS 1
  295. #if FREERTOS_TCP_ETH_EN
  296. #define ipconfigZERO_COPY_RX_DRIVER ( 1 )
  297. #define ipconfigZERO_COPY_TX_DRIVER ( 1 )
  298. #define ipconfigETHERNET_MINIMUM_PACKET_BYTES ( 64 )
  299. #endif
  300. #endif /* FREERTOS_IP_CONFIG_H */