/* This header file is part of the ATMEL AVR32-SoftwareFramework-AT32UC3A-1.4.0 Release */ /* * 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 * */ #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 ---------- */ #ifndef MEM_LIBC_MALLOC #define MEM_LIBC_MALLOC 0 #endif /* 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 /* IP reassemly default age in seconds */ #ifndef IP_REASS_MAXAGE #define IP_REASS_MAXAGE 3 #endif /* IP reassembly buffer size (minus IP header) */ #ifndef IP_REASS_BUFSIZE #define IP_REASS_BUFSIZE 5760 #endif /* Assumed max MTU on any interface for IP frag buffer */ #ifndef IP_FRAG_MAX_MTU #define IP_FRAG_MAX_MTU 1500 #endif /** Global default value for Time To Live used by transport layers. */ #ifndef IP_DEFAULT_TTL #define IP_DEFAULT_TTL 255 #endif /* ---------- ICMP options ---------- */ #ifndef ICMP_TTL #define ICMP_TTL (IP_DEFAULT_TTL) #endif /* ---------- RAW options ---------- */ #ifndef LWIP_RAW #define LWIP_RAW 1 #endif #ifndef RAW_TTL #define RAW_TTL (IP_DEFAULT_TTL) #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 /* ---------- SNMP options ---------- */ /** @note UDP must be available for SNMP transport */ #ifndef LWIP_SNMP #define LWIP_SNMP 0 #endif /** @note At least one request buffer is required. */ #ifndef SNMP_CONCURRENT_REQUESTS #define SNMP_CONCURRENT_REQUESTS 1 #endif /** @note At least one trap destination is required */ #ifndef SNMP_TRAP_DESTINATIONS #define SNMP_TRAP_DESTINATIONS 1 #endif #ifndef SNMP_PRIVATE_MIB #define SNMP_PRIVATE_MIB 0 #endif /* ---------- UDP options ---------- */ #ifndef LWIP_UDP #define LWIP_UDP 1 #endif #ifndef UDP_TTL #define UDP_TTL (IP_DEFAULT_TTL) #endif /* ---------- TCP options ---------- */ #ifndef LWIP_TCP #define LWIP_TCP 1 #endif #ifndef TCP_TTL #define TCP_TTL (IP_DEFAULT_TTL) #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 0 #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 */ #ifdef SO_REUSE /* I removed the lot since this was an ugly hack. It broke the raw-API. It also came with many ugly goto's, Christiaan Simons. */ #error "SO_REUSE currently unavailable, this was a hack" #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 SNMP_MSG_DEBUG #define SNMP_MSG_DEBUG DBG_OFF #endif #ifndef SNMP_MIB_DEBUG #define SNMP_MIB_DEBUG DBG_OFF #endif #ifndef DBG_MIN_LEVEL #define DBG_MIN_LEVEL DBG_LEVEL_OFF #endif #endif /* __LWIP_OPT_H__ */