/* | |
* 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 <adam@sics.se> | |
* | |
*/ | |
#ifndef __LWIP_OPT_H__ | |
#define __LWIP_OPT_H__ | |
/* Include user defined options first */ | |
#include "lwipopts.h" | |
#include "lwip/debug.h" | |
/* Define default values for unconfigured parameters. */ | |
/* Platform specific locking */ | |
/* | |
* enable SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection | |
* for certain critical regions during buffer allocation, deallocation and memory | |
* allocation and deallocation. | |
*/ | |
#ifndef SYS_LIGHTWEIGHT_PROT | |
#define SYS_LIGHTWEIGHT_PROT 0 | |
#endif | |
#ifndef NO_SYS | |
#define NO_SYS 0 | |
#endif | |
/* ---------- Memory options ---------- */ | |
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which | |
lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2 | |
byte alignment -> define MEM_ALIGNMENT to 2. */ | |
#ifndef MEM_ALIGNMENT | |
#define MEM_ALIGNMENT 1 | |
#endif | |
/* 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. */ | |
#ifndef MEM_SIZE | |
#define MEM_SIZE 1600 | |
#endif | |
#ifndef MEMP_SANITY_CHECK | |
#define MEMP_SANITY_CHECK 0 | |
#endif | |
/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application | |
sends a lot of data out of ROM (or other static memory), this | |
should be set high. */ | |
#ifndef MEMP_NUM_PBUF | |
#define MEMP_NUM_PBUF 16 | |
#endif | |
/* Number of raw connection PCBs */ | |
#ifndef MEMP_NUM_RAW_PCB | |
#define MEMP_NUM_RAW_PCB 4 | |
#endif | |
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One | |
per active UDP "connection". */ | |
#ifndef MEMP_NUM_UDP_PCB | |
#define MEMP_NUM_UDP_PCB 4 | |
#endif | |
/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP | |
connections. */ | |
#ifndef MEMP_NUM_TCP_PCB | |
#define MEMP_NUM_TCP_PCB 5 | |
#endif | |
/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP | |
connections. */ | |
#ifndef MEMP_NUM_TCP_PCB_LISTEN | |
#define MEMP_NUM_TCP_PCB_LISTEN 8 | |
#endif | |
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP | |
segments. */ | |
#ifndef MEMP_NUM_TCP_SEG | |
#define MEMP_NUM_TCP_SEG 16 | |
#endif | |
/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active | |
timeouts. */ | |
#ifndef MEMP_NUM_SYS_TIMEOUT | |
#define MEMP_NUM_SYS_TIMEOUT 3 | |
#endif | |
/* The following four are used only with the sequential API and can be | |
set to 0 if the application only will use the raw API. */ | |
/* MEMP_NUM_NETBUF: the number of struct netbufs. */ | |
#ifndef MEMP_NUM_NETBUF | |
#define MEMP_NUM_NETBUF 2 | |
#endif | |
/* MEMP_NUM_NETCONN: the number of struct netconns. */ | |
#ifndef MEMP_NUM_NETCONN | |
#define MEMP_NUM_NETCONN 4 | |
#endif | |
/* MEMP_NUM_APIMSG: the number of struct api_msg, used for | |
communication between the TCP/IP stack and the sequential | |
programs. */ | |
#ifndef MEMP_NUM_API_MSG | |
#define MEMP_NUM_API_MSG 8 | |
#endif | |
/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used | |
for sequential API communication and incoming packets. Used in | |
src/api/tcpip.c. */ | |
#ifndef MEMP_NUM_TCPIP_MSG | |
#define MEMP_NUM_TCPIP_MSG 8 | |
#endif | |
/* ---------- Pbuf options ---------- */ | |
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */ | |
#ifndef PBUF_POOL_SIZE | |
#define PBUF_POOL_SIZE 16 | |
#endif | |
/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */ | |
#ifndef PBUF_POOL_BUFSIZE | |
#define PBUF_POOL_BUFSIZE 128 | |
#endif | |
/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a | |
link level header. Defaults to 14 for Ethernet. */ | |
#ifndef PBUF_LINK_HLEN | |
#define PBUF_LINK_HLEN 14 | |
#endif | |
/* ---------- ARP options ---------- */ | |
/** Number of active hardware address, IP address pairs cached */ | |
#ifndef ARP_TABLE_SIZE | |
#define ARP_TABLE_SIZE 10 | |
#endif | |
/** | |
* If enabled, outgoing packets are queued during hardware address | |
* resolution. | |
* | |
* This feature has not stabilized yet. Single-packet queueing is | |
* believed to be stable, multi-packet queueing is believed to | |
* clash with the TCP segment queueing. | |
* | |
* As multi-packet-queueing is currently disabled, enabling this | |
* _should_ work, but we need your testing feedback on lwip-users. | |
* | |
*/ | |
#ifndef ARP_QUEUEING | |
#define ARP_QUEUEING 1 | |
#endif | |
/* This option is deprecated */ | |
#ifdef ETHARP_QUEUE_FIRST | |
#error ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h. | |
#endif | |
/* This option is removed to comply with the ARP standard */ | |
#ifdef ETHARP_ALWAYS_INSERT | |
#error ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h. | |
#endif | |
/* ---------- IP options ---------- */ | |
/* Define IP_FORWARD to 1 if you wish to have 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. */ | |
#ifndef IP_FORWARD | |
#define IP_FORWARD 0 | |
#endif | |
/* If defined to 1, IP options are allowed (but not parsed). If | |
defined to 0, all packets with IP options are dropped. */ | |
#ifndef IP_OPTIONS | |
#define IP_OPTIONS 1 | |
#endif | |
/** IP reassembly and segmentation. Even if they both deal with IP | |
* fragments, note that these are orthogonal, one dealing with incoming | |
* packets, the other with outgoing packets | |
*/ | |
/** Reassemble incoming fragmented IP packets */ | |
#ifndef IP_REASSEMBLY | |
#define IP_REASSEMBLY 1 | |
#endif | |
/** Fragment outgoing IP packets if their size exceeds MTU */ | |
#ifndef IP_FRAG | |
#define IP_FRAG 1 | |
#endif | |
/* ---------- ICMP options ---------- */ | |
#ifndef ICMP_TTL | |
#define ICMP_TTL 255 | |
#endif | |
/* ---------- RAW options ---------- */ | |
#ifndef LWIP_RAW | |
#define LWIP_RAW 1 | |
#endif | |
#ifndef RAW_TTL | |
#define RAW_TTL 255 | |
#endif | |
/* ---------- DHCP options ---------- */ | |
#ifndef LWIP_DHCP | |
#define LWIP_DHCP 0 | |
#endif | |
/* 1 if you want to do an ARP check on the offered address | |
(recommended). */ | |
#ifndef DHCP_DOES_ARP_CHECK | |
#define DHCP_DOES_ARP_CHECK 1 | |
#endif | |
/* ---------- UDP options ---------- */ | |
#ifndef LWIP_UDP | |
#define LWIP_UDP 1 | |
#endif | |
#ifndef UDP_TTL | |
#define UDP_TTL 255 | |
#endif | |
/* ---------- TCP options ---------- */ | |
#ifndef LWIP_TCP | |
#define LWIP_TCP 1 | |
#endif | |
#ifndef TCP_TTL | |
#define TCP_TTL 255 | |
#endif | |
#ifndef TCP_WND | |
#define TCP_WND 2048 | |
#endif | |
#ifndef TCP_MAXRTX | |
#define TCP_MAXRTX 12 | |
#endif | |
#ifndef TCP_SYNMAXRTX | |
#define TCP_SYNMAXRTX 6 | |
#endif | |
/* Controls if TCP should queue segments that arrive out of | |
order. Define to 0 if your device is low on memory. */ | |
#ifndef TCP_QUEUE_OOSEQ | |
#define TCP_QUEUE_OOSEQ 1 | |
#endif | |
/* TCP Maximum segment size. */ | |
#ifndef TCP_MSS | |
#define TCP_MSS 128 /* A *very* conservative default. */ | |
#endif | |
/* TCP sender buffer space (bytes). */ | |
#ifndef TCP_SND_BUF | |
#define TCP_SND_BUF 256 | |
#endif | |
/* TCP sender buffer space (pbufs). This must be at least = 2 * | |
TCP_SND_BUF/TCP_MSS for things to work. */ | |
#ifndef TCP_SND_QUEUELEN | |
#define TCP_SND_QUEUELEN 4 * TCP_SND_BUF/TCP_MSS | |
#endif | |
/* Maximum number of retransmissions of data segments. */ | |
/* Maximum number of retransmissions of SYN segments. */ | |
/* TCP writable space (bytes). This must be less than or equal | |
to TCP_SND_BUF. It is the amount of space which must be | |
available in the tcp snd_buf for select to return writable */ | |
#ifndef TCP_SNDLOWAT | |
#define TCP_SNDLOWAT TCP_SND_BUF/2 | |
#endif | |
/* Support loop interface (127.0.0.1) */ | |
#ifndef LWIP_HAVE_LOOPIF | |
#define LWIP_HAVE_LOOPIF 1 | |
#endif | |
#ifndef LWIP_EVENT_API | |
#define LWIP_EVENT_API 0 | |
#define LWIP_CALLBACK_API 1 | |
#else | |
#define LWIP_EVENT_API 1 | |
#define LWIP_CALLBACK_API 0 | |
#endif | |
#ifndef LWIP_COMPAT_SOCKETS | |
#define LWIP_COMPAT_SOCKETS 1 | |
#endif | |
#ifndef TCPIP_THREAD_PRIO | |
#define TCPIP_THREAD_PRIO 1 | |
#endif | |
#ifndef SLIPIF_THREAD_PRIO | |
#define SLIPIF_THREAD_PRIO 1 | |
#endif | |
#ifndef PPP_THREAD_PRIO | |
#define PPP_THREAD_PRIO 1 | |
#endif | |
#ifndef DEFAULT_THREAD_PRIO | |
#define DEFAULT_THREAD_PRIO 1 | |
#endif | |
/* ---------- Socket Options ---------- */ | |
/* Enable SO_REUSEADDR and SO_REUSEPORT options */ | |
#ifndef SO_REUSE | |
# define SO_REUSE 0 | |
#endif | |
/* ---------- Statistics options ---------- */ | |
#ifndef LWIP_STATS | |
#define LWIP_STATS 1 | |
#endif | |
#if LWIP_STATS | |
#ifndef LWIP_STATS_DISPLAY | |
#define LWIP_STATS_DISPLAY 0 | |
#endif | |
#ifndef LINK_STATS | |
#define LINK_STATS 1 | |
#endif | |
#ifndef IP_STATS | |
#define IP_STATS 1 | |
#endif | |
#ifndef IPFRAG_STATS | |
#define IPFRAG_STATS 1 | |
#endif | |
#ifndef ICMP_STATS | |
#define ICMP_STATS 1 | |
#endif | |
#ifndef UDP_STATS | |
#define UDP_STATS 1 | |
#endif | |
#ifndef TCP_STATS | |
#define TCP_STATS 1 | |
#endif | |
#ifndef MEM_STATS | |
#define MEM_STATS 1 | |
#endif | |
#ifndef MEMP_STATS | |
#define MEMP_STATS 1 | |
#endif | |
#ifndef PBUF_STATS | |
#define PBUF_STATS 1 | |
#endif | |
#ifndef SYS_STATS | |
#define SYS_STATS 1 | |
#endif | |
#ifndef RAW_STATS | |
#define RAW_STATS 0 | |
#endif | |
#else | |
#define LINK_STATS 0 | |
#define IP_STATS 0 | |
#define IPFRAG_STATS 0 | |
#define ICMP_STATS 0 | |
#define UDP_STATS 0 | |
#define TCP_STATS 0 | |
#define MEM_STATS 0 | |
#define MEMP_STATS 0 | |
#define PBUF_STATS 0 | |
#define SYS_STATS 0 | |
#define RAW_STATS 0 | |
#define LWIP_STATS_DISPLAY 0 | |
#endif /* LWIP_STATS */ | |
/* ---------- PPP options ---------- */ | |
#ifndef PPP_SUPPORT | |
#define PPP_SUPPORT 0 /* Set for PPP */ | |
#endif | |
#if PPP_SUPPORT | |
#define NUM_PPP 1 /* Max PPP sessions. */ | |
#ifndef PAP_SUPPORT | |
#define PAP_SUPPORT 0 /* Set for PAP. */ | |
#endif | |
#ifndef CHAP_SUPPORT | |
#define CHAP_SUPPORT 0 /* Set for CHAP. */ | |
#endif | |
#define MSCHAP_SUPPORT 0 /* Set for MSCHAP (NOT FUNCTIONAL!) */ | |
#define CBCP_SUPPORT 0 /* Set for CBCP (NOT FUNCTIONAL!) */ | |
#define CCP_SUPPORT 0 /* Set for CCP (NOT FUNCTIONAL!) */ | |
#ifndef VJ_SUPPORT | |
#define VJ_SUPPORT 0 /* Set for VJ header compression. */ | |
#endif | |
#ifndef MD5_SUPPORT | |
#define MD5_SUPPORT 0 /* Set for MD5 (see also CHAP) */ | |
#endif | |
/* | |
* Timeouts. | |
*/ | |
#define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */ | |
#define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */ | |
#define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */ | |
#define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */ | |
#define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */ | |
#define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ | |
#define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */ | |
#define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */ | |
/* Interval in seconds between keepalive echo requests, 0 to disable. */ | |
#if 1 | |
#define LCP_ECHOINTERVAL 0 | |
#else | |
#define LCP_ECHOINTERVAL 10 | |
#endif | |
/* Number of unanswered echo requests before failure. */ | |
#define LCP_MAXECHOFAILS 3 | |
/* Max Xmit idle time (in jiffies) before resend flag char. */ | |
#define PPP_MAXIDLEFLAG 100 | |
/* | |
* Packet sizes | |
* | |
* Note - lcp shouldn't be allowed to negotiate stuff outside these | |
* limits. See lcp.h in the pppd directory. | |
* (XXX - these constants should simply be shared by lcp.c instead | |
* of living in lcp.h) | |
*/ | |
#define PPP_MTU 1500 /* Default MTU (size of Info field) */ | |
#if 0 | |
#define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) | |
#else | |
#define PPP_MAXMTU 1500 /* Largest MTU we allow */ | |
#endif | |
#define PPP_MINMTU 64 | |
#define PPP_MRU 1500 /* default MRU = max length of info field */ | |
#define PPP_MAXMRU 1500 /* Largest MRU we allow */ | |
#define PPP_DEFMRU 296 /* Try for this */ | |
#define PPP_MINMRU 128 /* No MRUs below this */ | |
#define MAXNAMELEN 256 /* max length of hostname or name for auth */ | |
#define MAXSECRETLEN 256 /* max length of password or secret */ | |
#endif /* PPP_SUPPORT */ | |
/* checksum options - set to zero for hardware checksum support */ | |
#ifndef CHECKSUM_GEN_IP | |
#define CHECKSUM_GEN_IP 1 | |
#endif | |
#ifndef CHECKSUM_GEN_UDP | |
#define CHECKSUM_GEN_UDP 1 | |
#endif | |
#ifndef CHECKSUM_GEN_TCP | |
#define CHECKSUM_GEN_TCP 1 | |
#endif | |
#ifndef CHECKSUM_CHECK_IP | |
#define CHECKSUM_CHECK_IP 1 | |
#endif | |
#ifndef CHECKSUM_CHECK_UDP | |
#define CHECKSUM_CHECK_UDP 1 | |
#endif | |
#ifndef CHECKSUM_CHECK_TCP | |
#define CHECKSUM_CHECK_TCP 1 | |
#endif | |
/* Debugging options all default to off */ | |
#ifndef DBG_TYPES_ON | |
#define DBG_TYPES_ON 0 | |
#endif | |
#ifndef ETHARP_DEBUG | |
#define ETHARP_DEBUG DBG_OFF | |
#endif | |
#ifndef NETIF_DEBUG | |
#define NETIF_DEBUG DBG_OFF | |
#endif | |
#ifndef PBUF_DEBUG | |
#define PBUF_DEBUG DBG_OFF | |
#endif | |
#ifndef API_LIB_DEBUG | |
#define API_LIB_DEBUG DBG_OFF | |
#endif | |
#ifndef API_MSG_DEBUG | |
#define API_MSG_DEBUG DBG_OFF | |
#endif | |
#ifndef SOCKETS_DEBUG | |
#define SOCKETS_DEBUG DBG_OFF | |
#endif | |
#ifndef ICMP_DEBUG | |
#define ICMP_DEBUG DBG_OFF | |
#endif | |
#ifndef INET_DEBUG | |
#define INET_DEBUG DBG_OFF | |
#endif | |
#ifndef IP_DEBUG | |
#define IP_DEBUG DBG_OFF | |
#endif | |
#ifndef IP_REASS_DEBUG | |
#define IP_REASS_DEBUG DBG_OFF | |
#endif | |
#ifndef RAW_DEBUG | |
#define RAW_DEBUG DBG_OFF | |
#endif | |
#ifndef MEM_DEBUG | |
#define MEM_DEBUG DBG_OFF | |
#endif | |
#ifndef MEMP_DEBUG | |
#define MEMP_DEBUG DBG_OFF | |
#endif | |
#ifndef SYS_DEBUG | |
#define SYS_DEBUG DBG_OFF | |
#endif | |
#ifndef TCP_DEBUG | |
#define TCP_DEBUG DBG_OFF | |
#endif | |
#ifndef TCP_INPUT_DEBUG | |
#define TCP_INPUT_DEBUG DBG_OFF | |
#endif | |
#ifndef TCP_FR_DEBUG | |
#define TCP_FR_DEBUG DBG_OFF | |
#endif | |
#ifndef TCP_RTO_DEBUG | |
#define TCP_RTO_DEBUG DBG_OFF | |
#endif | |
#ifndef TCP_REXMIT_DEBUG | |
#define TCP_REXMIT_DEBUG DBG_OFF | |
#endif | |
#ifndef TCP_CWND_DEBUG | |
#define TCP_CWND_DEBUG DBG_OFF | |
#endif | |
#ifndef TCP_WND_DEBUG | |
#define TCP_WND_DEBUG DBG_OFF | |
#endif | |
#ifndef TCP_OUTPUT_DEBUG | |
#define TCP_OUTPUT_DEBUG DBG_OFF | |
#endif | |
#ifndef TCP_RST_DEBUG | |
#define TCP_RST_DEBUG DBG_OFF | |
#endif | |
#ifndef TCP_QLEN_DEBUG | |
#define TCP_QLEN_DEBUG DBG_OFF | |
#endif | |
#ifndef UDP_DEBUG | |
#define UDP_DEBUG DBG_OFF | |
#endif | |
#ifndef TCPIP_DEBUG | |
#define TCPIP_DEBUG DBG_OFF | |
#endif | |
#ifndef PPP_DEBUG | |
#define PPP_DEBUG DBG_OFF | |
#endif | |
#ifndef SLIP_DEBUG | |
#define SLIP_DEBUG DBG_OFF | |
#endif | |
#ifndef DHCP_DEBUG | |
#define DHCP_DEBUG DBG_OFF | |
#endif | |
#ifndef DBG_MIN_LEVEL | |
#define DBG_MIN_LEVEL DBG_LEVEL_OFF | |
#endif | |
#endif /* __LWIP_OPT_H__ */ | |