| /* |
| * Copyright (c) 2001, 2002 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 __LWIPOPTS_H__ |
| #define __LWIPOPTS_H__ |
| |
| #define NO_SYS 1 |
| #define LWIP_EVENT_API 1 |
| |
| /* ---------- 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. */ |
| #define MEM_ALIGNMENT 2 |
| |
| /* 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 1000 |
| |
| /* 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. */ |
| #define MEMP_NUM_PBUF 8 |
| /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One |
| per active UDP "connection". */ |
| #define MEMP_NUM_UDP_PCB 4 |
| /* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP |
| connections. */ |
| #define MEMP_NUM_TCP_PCB 2 |
| /* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP |
| connections. */ |
| #define MEMP_NUM_TCP_PCB_LISTEN 8 |
| /* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP |
| segments. */ |
| #define MEMP_NUM_TCP_SEG 8 |
| |
| /* 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. */ |
| #define MEMP_NUM_NETBUF 0 |
| /* MEMP_NUM_NETCONN: the number of struct netconns. */ |
| #define MEMP_NUM_NETCONN 0 |
| /* MEMP_NUM_APIMSG: the number of struct api_msg, used for |
| communication between the TCP/IP stack and the sequential |
| programs. */ |
| #define MEMP_NUM_API_MSG 0 |
| /* 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. */ |
| #define MEMP_NUM_TCPIP_MSG 0 |
| /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active |
| timeouts. */ |
| #define MEMP_NUM_SYS_TIMEOUT 0 |
| |
| /* ---------- Pbuf options ---------- */ |
| /* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */ |
| #define PBUF_POOL_SIZE 8 |
| |
| /* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */ |
| #define PBUF_POOL_BUFSIZE 128 |
| |
| /* PBUF_LINK_HLEN: the number of bytes that should be allocated for a |
| link level header. */ |
| #define PBUF_LINK_HLEN 16 |
| |
| /* ---------- TCP options ---------- */ |
| #define LWIP_TCP 1 |
| #define TCP_TTL 255 |
| |
| /* Controls if TCP should queue segments that arrive out of |
| order. Define to 0 if your device is low on memory. */ |
| #define TCP_QUEUE_OOSEQ 0 |
| |
| /* TCP Maximum segment size. */ |
| #define TCP_MSS 128 |
| |
| /* TCP sender buffer space (bytes). */ |
| #define TCP_SND_BUF 256 |
| |
| /* TCP sender buffer space (pbufs). This must be at least = 2 * |
| TCP_SND_BUF/TCP_MSS for things to work. */ |
| #define TCP_SND_QUEUELEN 4 * TCP_SND_BUF/TCP_MSS |
| |
| /* TCP receive window. */ |
| #define TCP_WND 512 |
| |
| /* Maximum number of retransmissions of data segments. */ |
| #define TCP_MAXRTX 12 |
| |
| /* Maximum number of retransmissions of SYN segments. */ |
| #define TCP_SYNMAXRTX 4 |
| |
| /* ---------- ARP options ---------- */ |
| #define ARP_TABLE_SIZE 10 |
| |
| /* ---------- 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. */ |
| #define IP_FORWARD 0 |
| |
| /* If defined to 1, IP options are allowed (but not parsed). If |
| defined to 0, all packets with IP options are dropped. */ |
| #define IP_OPTIONS 1 |
| |
| /* ---------- ICMP options ---------- */ |
| #define ICMP_TTL 255 |
| |
| |
| /* ---------- DHCP options ---------- */ |
| /* Define LWIP_DHCP to 1 if you want DHCP configuration of |
| interfaces. DHCP is not implemented in lwIP 0.5.1, however, so |
| turning this on does currently not work. */ |
| #define LWIP_DHCP 0 |
| |
| /* 1 if you want to do an ARP check on the offered address |
| (recommended). */ |
| #define DHCP_DOES_ARP_CHECK 1 |
| |
| /* ---------- UDP options ---------- */ |
| #define LWIP_UDP 0 |
| #define UDP_TTL 255 |
| |
| |
| /* ---------- Statistics options ---------- */ |
| /*#define STATS*/ |
| |
| #ifdef STATS |
| #define LINK_STATS |
| #define IP_STATS |
| #define ICMP_STATS |
| #define UDP_STATS |
| #define TCP_STATS |
| #define MEM_STATS |
| #define MEMP_STATS |
| #define PBUF_STATS |
| #define SYS_STATS |
| #endif /* STATS */ |
| |
| #endif /* __LWIPOPTS_H__ */ |