| /* | |
| * FreeRTOS Kernel V10.3.0 | |
| * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining a copy of | |
| * this software and associated documentation files (the "Software"), to deal in | |
| * the Software without restriction, including without limitation the rights to | |
| * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | |
| * the Software, and to permit persons to whom the Software is furnished to do so, | |
| * subject to the following conditions: | |
| * | |
| * The above copyright notice and this permission notice shall be included in all | |
| * copies or substantial portions of the Software. | |
| * | |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | |
| * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | |
| * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
| * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| * | |
| * http://www.FreeRTOS.org | |
| * http://aws.amazon.com/freertos | |
| * | |
| * 1 tab == 4 spaces! | |
| */ | |
| /***************************************************************************** | |
| * | |
| * See the following URL for configuration information. | |
| * http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html | |
| * | |
| *****************************************************************************/ | |
| #ifndef FREERTOS_IP_CONFIG_H | |
| #define FREERTOS_IP_CONFIG_H | |
| /* Prototype for the function used to print out. In this case it prints to the | |
| console before the network is connected then a UDP port after the network has | |
| connected. */ | |
| extern void vLoggingPrintf( const char *pcFormatString, ... ); | |
| /* Set to 1 to print out debug messages. If ipconfigHAS_DEBUG_PRINTF is set to | |
| 1 then FreeRTOS_debug_printf should be defined to the function used to print | |
| out the debugging messages. */ | |
| #define ipconfigHAS_DEBUG_PRINTF 0 | |
| #if( ipconfigHAS_DEBUG_PRINTF == 1 ) | |
| #define FreeRTOS_debug_printf(X) vLoggingPrintf X | |
| #endif | |
| /* Set to 1 to print out non debugging messages, for example the output of the | |
| FreeRTOS_netstat() command, and ping replies. If ipconfigHAS_PRINTF is set to 1 | |
| then FreeRTOS_printf should be set to the function used to print out the | |
| messages. */ | |
| #define ipconfigHAS_PRINTF 1 | |
| #if( ipconfigHAS_PRINTF == 1 ) | |
| #define FreeRTOS_printf(X) vLoggingPrintf X | |
| #endif | |
| /* Define the byte order of the target MCU (the MCU FreeRTOS+TCP is executing | |
| on). Valid options are pdFREERTOS_BIG_ENDIAN and pdFREERTOS_LITTLE_ENDIAN. */ | |
| #define ipconfigBYTE_ORDER pdFREERTOS_LITTLE_ENDIAN | |
| /* If the network card/driver includes checksum offloading (IP/TCP/UDP checksums) | |
| then set ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM to 1 to prevent the software | |
| stack repeating the checksum calculations. */ | |
| #define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM 1 | |
| /* Several API's will block until the result is known, or the action has been | |
| performed, for example FreeRTOS_send() and FreeRTOS_recv(). The timeouts can be | |
| set per socket, using setsockopt(). If not set, the times below will be | |
| used as defaults. */ | |
| #define ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME ( 5000 ) | |
| #define ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME ( 5000 ) | |
| /* Include support for LLMNR: Link-local Multicast Name Resolution | |
| (non-Microsoft) */ | |
| #define ipconfigUSE_LLMNR ( 0 ) | |
| /* Include support for NBNS: NetBIOS Name Service (Microsoft) */ | |
| #define ipconfigUSE_NBNS ( 0 ) | |
| /* Include support for DNS caching. For TCP, having a small DNS cache is very | |
| useful. When a cache is present, ipconfigDNS_REQUEST_ATTEMPTS can be kept low | |
| and also DNS may use small timeouts. If a DNS reply comes in after the DNS | |
| socket has been destroyed, the result will be stored into the cache. The next | |
| call to FreeRTOS_gethostbyname() will return immediately, without even creating | |
| a socket. */ | |
| #define ipconfigUSE_DNS_CACHE ( 1 ) | |
| #define ipconfigDNS_CACHE_NAME_LENGTH ( 64 ) | |
| #define ipconfigDNS_CACHE_ENTRIES ( 4 ) | |
| #define ipconfigDNS_REQUEST_ATTEMPTS ( 2 ) | |
| /* The IP stack executes it its own task (although any application task can make | |
| use of its services through the published sockets API). ipconfigUDP_TASK_PRIORITY | |
| sets the priority of the task that executes the IP stack. The priority is a | |
| standard FreeRTOS task priority so can take any value from 0 (the lowest | |
| priority) to (configMAX_PRIORITIES - 1) (the highest priority). | |
| configMAX_PRIORITIES is a standard FreeRTOS configuration parameter defined in | |
| FreeRTOSConfig.h, not FreeRTOSIPConfig.h. Consideration needs to be given as to | |
| the priority assigned to the task executing the IP stack relative to the | |
| priority assigned to tasks that use the IP stack. */ | |
| #define ipconfigIP_TASK_PRIORITY ( configMAX_PRIORITIES - 2 ) | |
| /* The size, in words (not bytes), of the stack allocated to the FreeRTOS+TCP | |
| task. This setting is less important when the FreeRTOS Win32 simulator is used | |
| as the Win32 simulator only stores a fixed amount of information on the task | |
| stack. FreeRTOS includes optional stack overflow detection, see: | |
| http://www.freertos.org/Stacks-and-stack-overflow-checking.html */ | |
| #define ipconfigIP_TASK_STACK_SIZE_WORDS ( configMINIMAL_STACK_SIZE * 5 ) | |
| /* ipconfigRAND32() is called by the IP stack to generate random numbers for | |
| things such as a DHCP transaction number or initial sequence number. Random | |
| number generation is performed via this macro to allow applications to use their | |
| own random number generation method. For example, it might be possible to | |
| generate a random number by sampling noise on an analogue input. */ | |
| extern UBaseType_t uxRand(); | |
| #define ipconfigRAND32() uxRand() | |
| /* If ipconfigUSE_NETWORK_EVENT_HOOK is set to 1 then FreeRTOS+TCP will call the | |
| network event hook at the appropriate times. If ipconfigUSE_NETWORK_EVENT_HOOK | |
| is not set to 1 then the network event hook will never be called. See | |
| http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/API/vApplicationIPNetworkEventHook.shtml | |
| */ | |
| #define ipconfigUSE_NETWORK_EVENT_HOOK 1 | |
| /* Sockets have a send block time attribute. If FreeRTOS_sendto() is called but | |
| a network buffer cannot be obtained then the calling task is held in the Blocked | |
| state (so other tasks can continue to executed) until either a network buffer | |
| becomes available or the send block time expires. If the send block time expires | |
| then the send operation is aborted. The maximum allowable send block time is | |
| capped to the value set by ipconfigMAX_SEND_BLOCK_TIME_TICKS. Capping the | |
| maximum allowable send block time prevents prevents a deadlock occurring when | |
| all the network buffers are in use and the tasks that process (and subsequently | |
| free) the network buffers are themselves blocked waiting for a network buffer. | |
| ipconfigMAX_SEND_BLOCK_TIME_TICKS is specified in RTOS ticks. A time in | |
| milliseconds can be converted to a time in ticks by dividing the time in | |
| milliseconds by portTICK_PERIOD_MS. */ | |
| #define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS ( 5000 / portTICK_PERIOD_MS ) | |
| /* If ipconfigUSE_DHCP is 1 then FreeRTOS+TCP will attempt to retrieve an IP | |
| address, netmask, DNS server address and gateway address from a DHCP server. If | |
| ipconfigUSE_DHCP is 0 then FreeRTOS+TCP will use a static IP address. The | |
| stack will revert to using the static IP address even when ipconfigUSE_DHCP is | |
| set to 1 if a valid configuration cannot be obtained from a DHCP server for any | |
| reason. The static configuration used is that passed into the stack by the | |
| FreeRTOS_IPInit() function call. */ | |
| #define ipconfigUSE_DHCP 1 | |
| /* When ipconfigUSE_DHCP is set to 1, DHCP requests will be sent out at | |
| increasing time intervals until either a reply is received from a DHCP server | |
| and accepted, or the interval between transmissions reaches | |
| ipconfigMAXIMUM_DISCOVER_TX_PERIOD. The IP stack will revert to using the | |
| static IP address passed as a parameter to FreeRTOS_IPInit() if the | |
| re-transmission time interval reaches ipconfigMAXIMUM_DISCOVER_TX_PERIOD without | |
| a DHCP reply being received. */ | |
| #define ipconfigMAXIMUM_DISCOVER_TX_PERIOD ( 120000 / portTICK_PERIOD_MS ) | |
| /* The ARP cache is a table that maps IP addresses to MAC addresses. The IP | |
| stack can only send a UDP message to a remove IP address if it knowns the MAC | |
| address associated with the IP address, or the MAC address of the router used to | |
| contact the remote IP address. When a UDP message is received from a remote IP | |
| address the MAC address and IP address are added to the ARP cache. When a UDP | |
| message is sent to a remote IP address that does not already appear in the ARP | |
| cache then the UDP message is replaced by a ARP message that solicits the | |
| required MAC address information. ipconfigARP_CACHE_ENTRIES defines the maximum | |
| number of entries that can exist in the ARP table at any one time. */ | |
| #define ipconfigARP_CACHE_ENTRIES 6 | |
| /* ARP requests that do not result in an ARP response will be re-transmitted a | |
| maximum of ipconfigMAX_ARP_RETRANSMISSIONS times before the ARP request is | |
| aborted. */ | |
| #define ipconfigMAX_ARP_RETRANSMISSIONS ( 5 ) | |
| /* ipconfigMAX_ARP_AGE defines the maximum time between an entry in the ARP | |
| table being created or refreshed and the entry being removed because it is stale. | |
| New ARP requests are sent for ARP cache entries that are nearing their maximum | |
| age. ipconfigMAX_ARP_AGE is specified in tens of seconds, so a value of 150 is | |
| equal to 1500 seconds (or 25 minutes). */ | |
| #define ipconfigMAX_ARP_AGE 150 | |
| /* Implementing FreeRTOS_inet_addr() necessitates the use of string handling | |
| routines, which are relatively large. To save code space the full | |
| FreeRTOS_inet_addr() implementation is made optional, and a smaller and faster | |
| alternative called FreeRTOS_inet_addr_quick() is provided. FreeRTOS_inet_addr() | |
| takes an IP in decimal dot format (for example, "192.168.0.1") as its parameter. | |
| FreeRTOS_inet_addr_quick() takes an IP address as four separate numerical octets | |
| (for example, 192, 168, 0, 1) as its parameters. If | |
| ipconfigINCLUDE_FULL_INET_ADDR is set to 1 then both FreeRTOS_inet_addr() and | |
| FreeRTOS_indet_addr_quick() are available. If ipconfigINCLUDE_FULL_INET_ADDR is | |
| not set to 1 then only FreeRTOS_indet_addr_quick() is available. */ | |
| #define ipconfigINCLUDE_FULL_INET_ADDR 1 | |
| /* ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS defines the total number of network buffer that | |
| are available to the IP stack. The total number of network buffers is limited | |
| to ensure the total amount of RAM that can be consumed by the IP stack is capped | |
| to a pre-determinable value. */ | |
| #define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS 60 | |
| /* A FreeRTOS queue is used to send events from application tasks to the IP | |
| stack. ipconfigEVENT_QUEUE_LENGTH sets the maximum number of events that can | |
| be queued for processing at any one time. The event queue must be a minimum of | |
| 5 greater than the total number of network buffers. */ | |
| #define ipconfigEVENT_QUEUE_LENGTH ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 ) | |
| /* The address of a socket is the combination of its IP address and its port | |
| number. FreeRTOS_bind() is used to manually allocate a port number to a socket | |
| (to 'bind' the socket to a port), but manual binding is not normally necessary | |
| for client sockets (those sockets that initiate outgoing connections rather than | |
| wait for incoming connections on a known port number). If | |
| ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 1 then calling | |
| FreeRTOS_sendto() on a socket that has not yet been bound will result in the IP | |
| stack automatically binding the socket to a port number from the range | |
| socketAUTO_PORT_ALLOCATION_START_NUMBER to 0xffff. If | |
| ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 0 then calling FreeRTOS_sendto() | |
| on a socket that has not yet been bound will result in the send operation being | |
| aborted. */ | |
| #define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND 1 | |
| /* Defines the Time To Live (TTL) values used in outgoing UDP packets. */ | |
| #define ipconfigUDP_TIME_TO_LIVE 128 | |
| #define ipconfigTCP_TIME_TO_LIVE 128 /* also defined in FreeRTOSIPConfigDefaults.h */ | |
| /* USE_TCP: Use TCP and all its features */ | |
| #define ipconfigUSE_TCP ( 1 ) | |
| /* Use the TCP socket wake context with a callback. */ | |
| #define ipconfigSOCKET_HAS_USER_WAKE_CALLBACK_WITH_CONTEXT ( 1 ) | |
| /* USE_WIN: Let TCP use windowing mechanism. */ | |
| #define ipconfigUSE_TCP_WIN ( 1 ) | |
| /* The MTU is the maximum number of bytes the payload of a network frame can | |
| contain. For normal Ethernet V2 frames the maximum MTU is 1500. Setting a | |
| lower value can save RAM, depending on the buffer management scheme used. If | |
| ipconfigCAN_FRAGMENT_OUTGOING_PACKETS is 1 then (ipconfigNETWORK_MTU - 28) must | |
| be divisible by 8. */ | |
| #define ipconfigNETWORK_MTU 1200 | |
| /* Set ipconfigUSE_DNS to 1 to include a basic DNS client/resolver. DNS is used | |
| through the FreeRTOS_gethostbyname() API function. */ | |
| #define ipconfigUSE_DNS 1 | |
| /* If ipconfigREPLY_TO_INCOMING_PINGS is set to 1 then the IP stack will | |
| generate replies to incoming ICMP echo (ping) requests. */ | |
| #define ipconfigREPLY_TO_INCOMING_PINGS 1 | |
| /* If ipconfigSUPPORT_OUTGOING_PINGS is set to 1 then the | |
| FreeRTOS_SendPingRequest() API function is available. */ | |
| #define ipconfigSUPPORT_OUTGOING_PINGS 0 | |
| /* If ipconfigSUPPORT_SELECT_FUNCTION is set to 1 then the FreeRTOS_select() | |
| (and associated) API function is available. */ | |
| #define ipconfigSUPPORT_SELECT_FUNCTION 1 | |
| /* If ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES is set to 1 then Ethernet frames | |
| that are not in Ethernet II format will be dropped. This option is included for | |
| potential future IP stack developments. */ | |
| #define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES 1 | |
| /* If ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES is set to 1 then it is the | |
| responsibility of the Ethernet interface to filter out packets that are of no | |
| interest. If the Ethernet interface does not implement this functionality, then | |
| set ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES to 0 to have the IP stack | |
| perform the filtering instead (it is much less efficient for the stack to do it | |
| because the packet will already have been passed into the stack). If the | |
| Ethernet driver does all the necessary filtering in hardware then software | |
| filtering can be removed by using a value other than 1 or 0. */ | |
| #define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES 1 | |
| /* The windows simulator cannot really simulate MAC interrupts, and needs to | |
| block occasionally to allow other tasks to run. */ | |
| #define configWINDOWS_MAC_INTERRUPT_SIMULATOR_DELAY ( 20 / portTICK_PERIOD_MS ) | |
| /* Advanced only: in order to access 32-bit fields in the IP packets with | |
| 32-bit memory instructions, all packets will be stored 32-bit-aligned, plus 16-bits. | |
| This has to do with the contents of the IP-packets: all 32-bit fields are | |
| 32-bit-aligned, plus 16-bit(!) */ | |
| #define ipconfigPACKET_FILLER_SIZE 2 | |
| /* Define the size of the pool of TCP window descriptors. On the average, each | |
| TCP socket will use up to 2 x 6 descriptors, meaning that it can have 2 x 6 | |
| outstanding packets (for Rx and Tx). When using up to 10 TP sockets | |
| simultaneously, one could define TCP_WIN_SEG_COUNT as 120. */ | |
| #define ipconfigTCP_WIN_SEG_COUNT 240 | |
| /* Each TCP socket has a circular buffers for Rx and Tx, which have a fixed | |
| maximum size. Define the size of Rx buffer for TCP sockets. */ | |
| #define ipconfigTCP_RX_BUFFER_LENGTH ( 1000 ) | |
| /* Define the size of Tx buffer for TCP sockets. */ | |
| #define ipconfigTCP_TX_BUFFER_LENGTH ( 1000 ) | |
| /* When using call-back handlers, the driver may check if the handler points to | |
| real program memory (RAM or flash) or just has a random non-zero value. */ | |
| #define ipconfigIS_VALID_PROG_ADDRESS(x) ( (x) != NULL ) | |
| /* Include support for TCP hang protection. All sockets in a connecting or | |
| disconnecting stage will timeout after a period of non-activity. */ | |
| #define ipconfigTCP_HANG_PROTECTION ( 1 ) | |
| #define ipconfigTCP_HANG_PROTECTION_TIME ( 30 ) | |
| /* Include support for TCP keep-alive messages. */ | |
| #define ipconfigTCP_KEEP_ALIVE ( 1 ) | |
| #define ipconfigTCP_KEEP_ALIVE_INTERVAL ( 20 ) /* in seconds */ | |
| #define portINLINE __inline | |
| #endif /* FREERTOS_IP_CONFIG_H */ |