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321 lines
12 KiB
C
321 lines
12 KiB
C
/*
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* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __LWIPOPTS_H__
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#define __LWIPOPTS_H__
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#define NO_SYS 1
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#define LWIP_SOCKET (NO_SYS==0)
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#define LWIP_NETCONN (NO_SYS==0)
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#define LWIP_IGMP 1
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#define LWIP_ICMP 1
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#define LWIP_SNMP 1
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#define LWIP_HAVE_LOOPIF 1
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#define LWIP_COMPAT_SOCKETS 1
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#define LWIP_TCPIP_CORE_LOCKING 0
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#define LWIP_NETIF_LINK_CALLBACK 1
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#define LWIP_NETIF_STATUS_CALLBACK 1
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#ifdef LWIP_DEBUG
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#define LWIP_DBG_MIN_LEVEL 0
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#define TAPIF_DEBUG LWIP_DBG_OFF
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#define TUNIF_DEBUG LWIP_DBG_OFF
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#define UNIXIF_DEBUG LWIP_DBG_OFF
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#define DELIF_DEBUG LWIP_DBG_OFF
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#define SIO_FIFO_DEBUG LWIP_DBG_OFF
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#define TCPDUMP_DEBUG LWIP_DBG_OFF
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#define PPP_DEBUG LWIP_DBG_OFF
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#define MEM_DEBUG LWIP_DBG_OFF
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#define MEMP_DEBUG LWIP_DBG_OFF
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#define PBUF_DEBUG LWIP_DBG_OFF
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#define API_LIB_DEBUG LWIP_DBG_OFF
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#define API_MSG_DEBUG LWIP_DBG_OFF
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#define TCPIP_DEBUG LWIP_DBG_OFF
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#define NETIF_DEBUG LWIP_DBG_OFF
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#define SOCKETS_DEBUG LWIP_DBG_OFF
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#define DEMO_DEBUG LWIP_DBG_OFF
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#define IP_DEBUG LWIP_DBG_OFF
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#define IP_REASS_DEBUG LWIP_DBG_OFF
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#define ICMP_DEBUG LWIP_DBG_OFF
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#define UDP_DEBUG LWIP_DBG_OFF
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#define TCP_DEBUG LWIP_DBG_OFF
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#define TCP_INPUT_DEBUG LWIP_DBG_OFF
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#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
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#define TCP_RTO_DEBUG LWIP_DBG_OFF
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#define TCP_CWND_DEBUG LWIP_DBG_OFF
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#define TCP_WND_DEBUG LWIP_DBG_OFF
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#define TCP_FR_DEBUG LWIP_DBG_OFF
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#define TCP_QLEN_DEBUG LWIP_DBG_OFF
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#define TCP_RST_DEBUG LWIP_DBG_OFF
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#endif
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#define LWIP_DBG_TYPES_ON (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH|LWIP_DBG_HALT)
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/* ---------- Memory options ---------- */
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/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
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lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
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byte alignment -> define MEM_ALIGNMENT to 2. */
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/* MSVC port: intel processors don't need 4-byte alignment,
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but are faster that way! */
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#define MEM_ALIGNMENT 4
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/* MEM_SIZE: the size of the heap memory. If the application will send
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a lot of data that needs to be copied, this should be set high. */
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#define MEM_SIZE 10240
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/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
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sends a lot of data out of ROM (or other static memory), this
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should be set high. */
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#define MEMP_NUM_PBUF 16
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/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
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per active UDP "connection". */
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#define MEMP_NUM_UDP_PCB 4
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/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
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connections. */
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#define MEMP_NUM_TCP_PCB 5
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/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
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connections. */
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#define MEMP_NUM_TCP_PCB_LISTEN 8
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/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
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segments. */
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#define MEMP_NUM_TCP_SEG 16
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/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
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timeouts. */
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#define MEMP_NUM_SYS_TIMEOUT 8
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/* The following four are used only with the sequential API and can be
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set to 0 if the application only will use the raw API. */
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/* MEMP_NUM_NETBUF: the number of struct netbufs. */
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#define MEMP_NUM_NETBUF 2
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/* MEMP_NUM_NETCONN: the number of struct netconns. */
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#define MEMP_NUM_NETCONN 10
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/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
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for sequential API communication and incoming packets. Used in
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src/api/tcpip.c. */
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#define MEMP_NUM_TCPIP_MSG_API 16
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#define MEMP_NUM_TCPIP_MSG_INPKT 16
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/* ---------- Pbuf options ---------- */
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/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
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#define PBUF_POOL_SIZE 100
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/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
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#define PBUF_POOL_BUFSIZE 128
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/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
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link level header. */
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#define PBUF_LINK_HLEN 16
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/** SYS_LIGHTWEIGHT_PROT
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* define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection
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* for certain critical regions during buffer allocation, deallocation and memory
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* allocation and deallocation.
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*/
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#define SYS_LIGHTWEIGHT_PROT (NO_SYS==0)
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/* ---------- TCP options ---------- */
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#define LWIP_TCP 1
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#define TCP_TTL 255
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/* Controls if TCP should queue segments that arrive out of
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order. Define to 0 if your device is low on memory. */
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#define TCP_QUEUE_OOSEQ 1
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/* TCP Maximum segment size. */
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#define TCP_MSS 1024
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/* TCP sender buffer space (bytes). */
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#define TCP_SND_BUF 2048
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/* TCP sender buffer space (pbufs). This must be at least = 2 *
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TCP_SND_BUF/TCP_MSS for things to work. */
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#define TCP_SND_QUEUELEN (4 * TCP_SND_BUF/TCP_MSS)
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/* TCP writable space (bytes). This must be less than or equal
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to TCP_SND_BUF. It is the amount of space which must be
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available in the tcp snd_buf for select to return writable */
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#define TCP_SNDLOWAT (TCP_SND_BUF/2)
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/* TCP receive window. */
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#define TCP_WND 8096
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/* Maximum number of retransmissions of data segments. */
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#define TCP_MAXRTX 12
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/* Maximum number of retransmissions of SYN segments. */
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#define TCP_SYNMAXRTX 4
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/* ---------- ARP options ---------- */
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#define LWIP_ARP 1
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#define ARP_TABLE_SIZE 10
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#define ARP_QUEUEING 1
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/* ---------- IP options ---------- */
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/* Define IP_FORWARD to 1 if you wish to have the ability to forward
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IP packets across network interfaces. If you are going to run lwIP
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on a device with only one network interface, define this to 0. */
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#define IP_FORWARD 1
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/* IP reassembly and segmentation.These are orthogonal even
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* if they both deal with IP fragments */
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#define IP_REASSEMBLY 1
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#define IP_REASS_MAX_PBUFS 3
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#define MEMP_NUM_REASSDATA 10
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#define IP_FRAG 1
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/* ---------- ICMP options ---------- */
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#define ICMP_TTL 255
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/* ---------- DHCP options ---------- */
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/* Define LWIP_DHCP to 1 if you want DHCP configuration of
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interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
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turning this on does currently not work. */
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#define LWIP_DHCP 0
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#define LWIP_AUTOIP 0
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/* 1 if you want to do an ARP check on the offered address
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(recommended). */
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#if LWIP_DHCP
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#define DHCP_DOES_ARP_CHECK 1
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#endif
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/* ---------- UDP options ---------- */
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#define LWIP_UDP 1
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#define LWIP_UDPLITE 1
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#define UDP_TTL 255
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/* ---------- Statistics options ---------- */
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#define LWIP_STATS 1
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#define LWIP_STATS_DISPLAY 1
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#if LWIP_STATS
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#define LINK_STATS 1
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#define IP_STATS 1
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#define ICMP_STATS 1
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#define IGMP_STATS 1
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#define IPFRAG_STATS 1
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#define UDP_STATS 1
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#define TCP_STATS 1
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#define MEM_STATS 1
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#define MEMP_STATS 1
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#define PBUF_STATS 1
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#define SYS_STATS 1
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#endif /* LWIP_STATS */
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/* ---------- PPP options ---------- */
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#define PPP_SUPPORT 0 /* Set > 0 for PPP */
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#if PPP_SUPPORT
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#define NUM_PPP 1 /* Max PPP sessions. */
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/* Select modules to enable. Ideally these would be set in the makefile but
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* we're limited by the command line length so you need to modify the settings
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* in this file.
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*/
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#define PAP_SUPPORT 1 /* Set > 0 for PAP. */
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#define CHAP_SUPPORT 1 /* Set > 0 for CHAP. */
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#define MSCHAP_SUPPORT 0 /* Set > 0 for MSCHAP (NOT FUNCTIONAL!) */
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#define CBCP_SUPPORT 0 /* Set > 0 for CBCP (NOT FUNCTIONAL!) */
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#define CCP_SUPPORT 0 /* Set > 0 for CCP (NOT FUNCTIONAL!) */
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#define VJ_SUPPORT 1 /* Set > 0 for VJ header compression. */
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#define MD5_SUPPORT 1 /* Set > 0 for MD5 (see also CHAP) */
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/*
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* Timeouts.
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*/
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#define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */
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#define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */
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#define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */
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#define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */
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#define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */
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#define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */
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#define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */
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#define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */
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/* Interval in seconds between keepalive echo requests, 0 to disable. */
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#if 1
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#define LCP_ECHOINTERVAL 0
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#else
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#define LCP_ECHOINTERVAL 10
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#endif
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/* Number of unanswered echo requests before failure. */
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#define LCP_MAXECHOFAILS 3
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/* Max Xmit idle time (in jiffies) before resend flag char. */
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#define PPP_MAXIDLEFLAG 100
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/*
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* Packet sizes
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*
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* Note - lcp shouldn't be allowed to negotiate stuff outside these
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* limits. See lcp.h in the pppd directory.
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* (XXX - these constants should simply be shared by lcp.c instead
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* of living in lcp.h)
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*/
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#define PPP_MTU 1500 /* Default MTU (size of Info field) */
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#if 0
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#define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN)
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#else
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#define PPP_MAXMTU 1500 /* Largest MTU we allow */
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#endif
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#define PPP_MINMTU 64
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#define PPP_MRU 1500 /* default MRU = max length of info field */
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#define PPP_MAXMRU 1500 /* Largest MRU we allow */
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#define PPP_DEFMRU 296 /* Try for this */
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#define PPP_MINMRU 128 /* No MRUs below this */
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#define MAXNAMELEN 256 /* max length of hostname or name for auth */
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#define MAXSECRETLEN 256 /* max length of password or secret */
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#endif /* PPP_SUPPORT */
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#endif /* __LWIPOPTS_H__ */
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