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lwipopts.h
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/**
* @file
*
* lwIP Options Configuration
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <[email protected]>
*
*/
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
/*
#if defined(DEBUG)
#define LWIP_DEBUG
#endif
*/
/*
#define RAW_DEBUG LWIP_DBG_ON
#define IP_DEBUG LWIP_DBG_ON
#define IP6_DEBUG LWIP_DBG_ON
#define ICMP_DEBUG LWIP_DBG_ON
#define NETIF_DEBUG LWIP_DBG_ON
#define ETHARP_DEBUG LWIP_DBG_ON
#define TCP_DEBUG LWIP_DBG_ON
#define TCP_RST_DEBUG LWIP_DBG_ON
#define TCP_DEBUG_PCB_LISTS LWIP_DBG_ON
#define TCP_INPUT_DEBUG LWIP_DBG_ON
#define TCP_OUTPUT_DEBUG LWIP_DBG_ON
#define TCPIP_DEBUG LWIP_DBG_ON
#define UDP_DEBUG LWIP_DBG_ON
#define PBUF_DEBUG LWIP_DBG_ON
#define TCP_CWND_DEBUG LWIP_DBG_ON
#define PPP_DEBUG LWIP_DBG_ON
*/
/*#define MQTT_DEBUG LWIP_DBG_ON */
#define LWIP_DBG_MIN_LEVEL 0
#define LWIP_DBG_TYPES_ON (LWIP_DBG_ON | LWIP_DBG_TRACE | LWIP_DBG_STATE)
#define LWIP_NETIF_LOOPBACK 0
#define LWIP_NETIF_API 0
#define LWIP_NETIF_HWADDRHINT 0
#define LWIP_NETIF_HOSTNAME 1
#define LWIP_NETIF_STATUS_CALLBACK 1
#define CHECKSUM_GEN_IP 1
#define CHECKSUM_GEN_UDP 1
#define CHECKSUM_GEN_TCP 1
#define CHECKSUM_CHECK_IP 0
#define CHECKSUM_CHECK_UDP 0
#define CHECKSUM_CHECK_TCP 0
/* TCP options */
/* #define TCP_MSS (536)
#define TCP_SND_BUF (2*TCP_MSS)
#define TCP_SND_QUEUELEN (2 * TCP_SND_BUF/TCP_MSS)
#define TCP_WND (2*TCP_MSS)
*/
#define TCP_QUEUE_OOSEQ 0 /* Don't queue out of order segments */
/*
* Include user defined options first. Anything not defined in these files
* will be set to standard values. Override anything you dont like!
*/
#include "lwip/debug.h"
#define MEM_LIBC_MALLOC 0
/*
-----------------------------------------------
---------- Platform specific porting ----------
-----------------------------------------------
*/
#define LWIP_RAND() ((uint32_t)rand())
/*
-----------------------------------------------
---------- Platform specific locking ----------
-----------------------------------------------
*/
/**
* SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
* critical regions during buffer allocation, deallocation and memory
* allocation and deallocation.
*/
#define SYS_LIGHTWEIGHT_PROT 0
/**
* NO_SYS==1: Provides VERY minimal functionality. Otherwise,
* use lwIP facilities.
*/
#define NO_SYS 1
/*
------------------------------------
---------- Memory options ----------
------------------------------------
*/
/**
* MEM_ALIGNMENT: should be set to the alignment of the CPU
* 4 byte alignment -> #define MEM_ALIGNMENT 4
* 2 byte alignment -> #define MEM_ALIGNMENT 2
*/
#define MEM_ALIGNMENT 4
/**
* MEM_SIZE: the size of the heap memory. If the application will send
* a lot of data that needs to be copied, this should be set high.
*/
/* #define MEM_SIZE (1 << 12) */
#define MEMCPY memcpy
/*
------------------------------------------------
---------- Internal Memory Pool Sizes ----------
------------------------------------------------
*/
/**
* MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF).
* If the application sends a lot of data out of ROM (or other static memory),
* this should be set high.
*/
#define MEMP_NUM_PBUF 8
/**
* MEMP_NUM_RAW_PCB: Number of raw connection PCBs
* (requires the LWIP_RAW option)
*/
#define MEMP_NUM_RAW_PCB 4
/**
* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
* per active UDP "connection".
* (requires the LWIP_UDP option)
*/
#define MEMP_NUM_UDP_PCB 2
/**
* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections.
* (requires the LWIP_TCP option)
*/
#define MEMP_NUM_TCP_PCB 2
/**
* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
* (requires the LWIP_TCP option)
*/
#define MEMP_NUM_TCP_PCB_LISTEN 0
/**
* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments.
* (requires the LWIP_TCP option)
*/
#define MEMP_NUM_TCP_SEG 16
/**
* MEMP_NUM_REASSDATA: the number of simultaneously IP packets queued for
* reassembly (whole packets, not fragments!)
*/
#define MEMP_NUM_REASSDATA 1
/**
* PBUF_POOL_SIZE: the number of buffers in the pbuf pool.
*/
#define PBUF_POOL_SIZE 8
/*
---------------------------------
---------- ARP options ----------
---------------------------------
*/
/**
* LWIP_ARP==1: Enable ARP functionality.
*/
#define LWIP_ARP 0
/*
--------------------------------
---------- IP options ----------
--------------------------------
*/
#define LWIP_IPV4 1
/**
* IP_FORWARD==1: Enables the ability to forward IP packets across network
* interfaces. If you are going to run lwIP on a device with only one network
* interface, define this to 0.
*/
#define IP_FORWARD 0
/**
* IP_OPTIONS: Defines the behavior for IP options.
* IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped.
* IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed).
*/
#define IP_OPTIONS_ALLOWED 0
/**
* IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
* this option does not affect outgoing packet sizes, which can be controlled
* via IP_FRAG.
*/
#define IP_REASSEMBLY 0
/**
* IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
* that this option does not affect incoming packet sizes, which can be
* controlled via IP_REASSEMBLY.
*/
#define IP_FRAG 0
/**
* IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
* a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
* in this time, the whole packet is discarded.
*/
#define IP_REASS_MAXAGE 3
/**
* IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
* Since the received pbufs are enqueued, be sure to configure
* PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
* packets even if the maximum amount of fragments is enqueued for reassembly!
*/
#define IP_REASS_MAX_PBUFS 4
/**
* IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP
* fragmentation. Otherwise pbufs are allocated and reference the original
* packet data to be fragmented.
*/
#define IP_FRAG_USES_STATIC_BUF 0
/**
* IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
*/
#define IP_DEFAULT_TTL 255
/*
----------------------------------
---------- ICMP options ----------
----------------------------------
*/
/**
* LWIP_ICMP==1: Enable ICMP module inside the IP stack.
* Be careful, disable that make your product non-compliant to RFC1122
*/
#define LWIP_ICMP 1
/*
---------------------------------
---------- RAW options ----------
---------------------------------
*/
/**
* LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
*/
#define LWIP_RAW 0
/*
----------------------------------
---------- DHCP options ----------
----------------------------------
*/
/**
* LWIP_DHCP==1: Enable DHCP module.
*/
#define LWIP_DHCP 0
/*
------------------------------------
---------- AUTOIP options ----------
------------------------------------
*/
/**
* LWIP_AUTOIP==1: Enable AUTOIP module.
*/
#define LWIP_AUTOIP 0
/*
----------------------------------
---------- SNMP options ----------
----------------------------------
*/
/**
* LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP
* transport.
*/
#define LWIP_SNMP 0
/*
----------------------------------
---------- IGMP options ----------
----------------------------------
*/
/**
* LWIP_IGMP==1: Turn on IGMP module.
*/
#define LWIP_IGMP 0
/*
----------------------------------
---------- DNS options -----------
----------------------------------
*/
/**
* LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
* transport.
*/
#define LWIP_DNS 0
/*
---------------------------------
---------- UDP options ----------
---------------------------------
*/
/**
* LWIP_UDP==1: Turn on UDP.
*/
#define LWIP_UDP 1
/*
---------------------------------
---------- TCP options ----------
---------------------------------
*/
/**
* LWIP_TCP==1: Turn on TCP.
*/
#define LWIP_TCP 1
#define LWIP_LISTEN_BACKLOG 0
/*
----------------------------------
---------- Pbuf options ----------
----------------------------------
*/
/**
* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
* link level header. The default is 14, the standard value for
* Ethernet.
*/
#define PBUF_LINK_HLEN 0
/**
* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is
* designed to accomodate single full size TCP frame in one pbuf, including
* TCP_MSS, IP header, and link header.
*
*/
/*
------------------------------------
---------- LOOPIF options ----------
------------------------------------
*/
/**
* LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c
*/
#define LWIP_HAVE_LOOPIF 0
/*
------------------------------------
---------- SLIPIF options ----------
------------------------------------
*/
#define LWIP_HAVE_SLIPIF 0
/*
----------------------------------------------
---------- Sequential layer options ----------
----------------------------------------------
*/
/**
* LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
*/
#define LWIP_NETCONN 0
/*
------------------------------------
---------- Socket options ----------
------------------------------------
*/
/**
* LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
*/
#define LWIP_SOCKET 0
#define LWIP_COMPAT_SOCKETS 0
/*
---------------------------------------
---------- IPv6 options ---------------
---------------------------------------
*/
/**
* LWIP_IPV6==1: Enable IPv6
*/
#ifndef LWIP_IPV6
#define LWIP_IPV6 0
#endif
/**
* LWIP_IPV6_NUM_ADDRESSES: Number of IPv6 addresses per netif.
*/
#ifndef LWIP_IPV6_NUM_ADDRESSES
#define LWIP_IPV6_NUM_ADDRESSES 3
#endif
/**
* LWIP_IPV6_FORWARD==1: Forward IPv6 packets across netifs
*/
#ifndef LWIP_IPV6_FORWARD
#define LWIP_IPV6_FORWARD 0
#endif
/**
* LWIP_ICMP6==1: Enable ICMPv6 (mandatory per RFC)
*/
#ifndef LWIP_ICMP6
#define LWIP_ICMP6 (LWIP_IPV6)
#endif
/**
* LWIP_ICMP6_DATASIZE: bytes from original packet to send back in
* ICMPv6 error messages.
*/
#ifndef LWIP_ICMP6_DATASIZE
#define LWIP_ICMP6_DATASIZE 8
#endif
/**
* LWIP_ICMP6_HL: default hop limit for ICMPv6 messages
*/
#ifndef LWIP_ICMP6_HL
#define LWIP_ICMP6_HL 255
#endif
/**
* LWIP_ICMP6_CHECKSUM_CHECK==1: verify checksum on ICMPv6 packets
*/
#ifndef LWIP_ICMP6_CHECKSUM_CHECK
#define LWIP_ICMP6_CHECKSUM_CHECK 0
#endif
/**
* LWIP_IPV6_MLD==1: Enable multicast listener discovery protocol.
*/
#ifndef LWIP_IPV6_MLD
#define LWIP_IPV6_MLD (0)
#endif
/**
* MEMP_NUM_MLD6_GROUP: Max number of IPv6 multicast that can be joined.
*/
#ifndef MEMP_NUM_MLD6_GROUP
#define MEMP_NUM_MLD6_GROUP 2
#endif
/**
* LWIP_IPV6_FRAG==1: Fragment outgoing IPv6 packets that are too big.
*/
#ifndef LWIP_IPV6_FRAG
#define LWIP_IPV6_FRAG 0
#endif
/**
* LWIP_IPV6_REASS==1: reassemble incoming IPv6 packets that fragmented
*/
#ifndef LWIP_IPV6_REASS
#define LWIP_IPV6_REASS (0)
#endif
/**
* LWIP_ND6_QUEUEING==1: queue outgoing IPv6 packets while MAC address
* is being resolved.
*/
#ifndef LWIP_ND6_QUEUEING
#define LWIP_ND6_QUEUEING (0)
#endif
#define MEMP_NUM_SYS_TIMEOUT 4
/**
* MEMP_NUM_ND6_QUEUE: Max number of IPv6 packets to queue during MAC resolution.
*/
#ifndef MEMP_NUM_ND6_QUEUE
#define MEMP_NUM_ND6_QUEUE 20
#endif
/**
* LWIP_ND6_NUM_NEIGHBORS: Number of entries in IPv6 neighbor cache
*/
#ifndef LWIP_ND6_NUM_NEIGHBORS
#define LWIP_ND6_NUM_NEIGHBORS 10
#endif
/**
* LWIP_ND6_NUM_DESTINATIONS: number of entries in IPv6 destination cache
*/
#ifndef LWIP_ND6_NUM_DESTINATIONS
#define LWIP_ND6_NUM_DESTINATIONS 10
#endif
/**
* LWIP_ND6_NUM_PREFIXES: number of entries in IPv6 on-link prefixes cache
*/
#ifndef LWIP_ND6_NUM_PREFIXES
#define LWIP_ND6_NUM_PREFIXES 5
#endif
/**
* LWIP_ND6_NUM_ROUTERS: number of entries in IPv6 default router cache
*/
#ifndef LWIP_ND6_NUM_ROUTERS
#define LWIP_ND6_NUM_ROUTERS 3
#endif
/**
* LWIP_ND6_MAX_MULTICAST_SOLICIT: max number of multicast solicit messages to send
* (neighbor solicit and router solicit)
*/
#ifndef LWIP_ND6_MAX_MULTICAST_SOLICIT
#define LWIP_ND6_MAX_MULTICAST_SOLICIT 3
#endif
/**
* LWIP_ND6_MAX_UNICAST_SOLICIT: max number of unicast neighbor solicitation messages
* to send during neighbor reachability detection.
*/
#ifndef LWIP_ND6_MAX_UNICAST_SOLICIT
#define LWIP_ND6_MAX_UNICAST_SOLICIT 0
#endif
/**
* Unused: See ND RFC (time in milliseconds).
*/
#ifndef LWIP_ND6_MAX_ANYCAST_DELAY_TIME
#define LWIP_ND6_MAX_ANYCAST_DELAY_TIME 1000
#endif
/**
* Unused: See ND RFC
*/
#ifndef LWIP_ND6_MAX_NEIGHBOR_ADVERTISEMENT
#define LWIP_ND6_MAX_NEIGHBOR_ADVERTISEMENT 3
#endif
/**
* LWIP_ND6_REACHABLE_TIME: default neighbor reachable time (in milliseconds).
* May be updated by router advertisement messages.
*/
#ifndef LWIP_ND6_REACHABLE_TIME
#define LWIP_ND6_REACHABLE_TIME 30000
#endif
/**
* LWIP_ND6_RETRANS_TIMER: default retransmission timer for solicitation messages
*/
#ifndef LWIP_ND6_RETRANS_TIMER
#define LWIP_ND6_RETRANS_TIMER 1000
#endif
/**
* LWIP_ND6_DELAY_FIRST_PROBE_TIME: Delay before first unicast neighbor solicitation
* message is sent, during neighbor reachability detection.
*/
#ifndef LWIP_ND6_DELAY_FIRST_PROBE_TIME
#define LWIP_ND6_DELAY_FIRST_PROBE_TIME 5000
#endif
/**
* LWIP_ND6_ALLOW_RA_UPDATES==1: Allow Router Advertisement messages to update
* Reachable time and retransmission timers, and netif MTU.
*/
#ifndef LWIP_ND6_ALLOW_RA_UPDATES
#define LWIP_ND6_ALLOW_RA_UPDATES 0
#endif
/**
* LWIP_IPV6_SEND_ROUTER_SOLICIT==1: Send router solicitation messages during
* network startup.
*/
#ifndef LWIP_IPV6_SEND_ROUTER_SOLICIT
#define LWIP_IPV6_SEND_ROUTER_SOLICIT 0
#endif
/**
* LWIP_ND6_TCP_REACHABILITY_HINTS==1: Allow TCP to provide Neighbor Discovery
* with reachability hints for connected destinations. This helps avoid sending
* unicast neighbor solicitation messages.
*/
#ifndef LWIP_ND6_TCP_REACHABILITY_HINTS
#define LWIP_ND6_TCP_REACHABILITY_HINTS 0
#endif
/**
* LWIP_IPV6_AUTOCONFIG==1: Enable stateless address autoconfiguration as per RFC 4862.
*/
#ifndef LWIP_IPV6_AUTOCONFIG
#define LWIP_IPV6_AUTOCONFIG (1)
#endif
/**
* LWIP_IPV6_DUP_DETECT_ATTEMPTS: Number of duplicate address detection attempts.
*/
#ifndef LWIP_IPV6_DUP_DETECT_ATTEMPTS
#define LWIP_IPV6_DUP_DETECT_ATTEMPTS 0
#endif
/**
* LWIP_IPV6_DHCP6==1: enable DHCPv6 stateful address autoconfiguration.
*/
#ifndef LWIP_IPV6_DHCP6
#define LWIP_IPV6_DHCP6 0
#endif
/*
----------------------------------------
---------- Statistics options ----------
----------------------------------------
*/
/**
* LWIP_STATS==1: Enable statistics collection in lwip_stats.
*/
#define LWIP_STATS 0
/*
---------------------------------
---------- PPP options ----------
---------------------------------
*/
/**
* PPP_SUPPORT==1: Enable PPP.
*/
#define PPP_SUPPORT 0
#define PPPOS_SUPPORT 0
#define PPP_IPV4_SUPPORT 0
#define MD5_SUPPORT 0
#define PAP_SUPPORT 0
#define CHAP_SUPPORT 0
/* Misc */
#define LWIP_TIMEVAL_PRIVATE 0
#endif /* __LWIPOPTS_H__ */