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92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/*
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* \brief Configuration file for LwIP, adapt it to your needs.
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* \author Stefan Kalkowski
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* \date 2009-11-10
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*/
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/*
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* Copyright (C) 2009-2012 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef __LWIP__LWIPOPTS_H__
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#define __LWIP__LWIPOPTS_H__
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#include <stdlib.h>
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#include <string.h>
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#define NO_SYS 0 /* single-threaded? do not touch! */
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#define SYS_LIGHTWEIGHT_PROT 1 /* do we provide lightweight protection */
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#define LWIP_ARP 1 /* ARP support */
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#define LWIP_RAW 1 /* LwIP raw API */
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#define LWIP_UDP 1 /* UDP support */
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#define LWIP_TCP 1 /* TCP support */
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#define LWIP_DNS 1 /* DNS support */
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#define LWIP_DHCP 1 /* DHCP support */
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#define LWIP_SOCKET 1 /* LwIP socket API */
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#define LWIP_COMPAT_SOCKETS 0 /* Libc compatibility layer */
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#define LWIP_COMPAT_MUTEX 1 /* use binary semaphore instead of mutex */
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#define LWIP_NETIF_API 1 /* Network interface API */
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#define LWIP_NETIF_LOOPBACK 1 /* Looping back to same address? */
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#define LWIP_HAVE_LOOPIF 1 /* 127.0.0.1 support ? */
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#if LWIP_DHCP
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#define LWIP_NETIF_STATUS_CALLBACK 1 /* callback function used by DHCP init */
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#endif
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/*********************
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** Memory settings **
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*********************/
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#define MEM_LIBC_MALLOC 1
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#define MEMP_MEM_MALLOC 1
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#define DEFAULT_ACCEPTMBOX_SIZE 128
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#define TCPIP_MBOX_SIZE 128
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#define TCP_MSS 1460
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#define TCP_SND_BUF (2 * TCP_MSS)
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/*
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* We reduce the maximum segment lifetime from one minute to one second to
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* avoid queuing up PCBs in TIME-WAIT state. This is the state, PCBs end up
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* after closing a TCP connection socket at the server side. The number of PCBs
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* in this state is apparently not limited by the value of 'MEMP_NUM_TCP_PCB'.
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* One allocation costs around 160 bytes. If clients connect to the server at a
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* high rate, those allocations accumulate quickly and thereby may exhaust the
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* memory of the server. By reducing the segment lifetime, PCBs in TIME-WAIT
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* state are cleaned up from the 'tcp_tw_pcbs' queue in a more timely fashion
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* (by 'tcp_slowtmr()').
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*/
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#define TCP_MSL 1000UL
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#define MEMP_NUM_SYS_TIMEOUT 8
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#define MEMP_NUM_TCP_PCB 64
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#define MEMP_NUM_NETCONN (MEMP_NUM_TCP_PCB + MEMP_NUM_UDP_PCB + MEMP_NUM_RAW_PCB + MEMP_NUM_TCP_PCB_LISTEN - 1)
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/********************
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** Debug settings **
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********************/
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/* #define LWIP_DEBUG */
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/* #define DHCP_DEBUG LWIP_DBG_ON */
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/* #define ETHARP_DEBUG LWIP_DBG_ON */
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/* #define NETIF_DEBUG LWIP_DBG_ON */
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/* #define PBUF_DEBUG LWIP_DBG_ON */
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/* #define API_LIB_DEBUG LWIP_DBG_ON */
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/* #define API_MSG_DEBUG LWIP_DBG_ON */
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/* #define SOCKETS_DEBUG LWIP_DBG_ON */
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/* #define ICMP_DEBUG LWIP_DBG_ON */
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/* #define INET_DEBUG LWIP_DBG_ON */
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/* #define IP_DEBUG LWIP_DBG_ON */
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/* #define IP_REASS_DEBUG LWIP_DBG_ON */
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/* #define RAW_DEBUG LWIP_DBG_ON */
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/* #define MEM_DEBUG LWIP_DBG_ON */
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/* #define MEMP_DEBUG LWIP_DBG_ON */
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/* #define SYS_DEBUG LWIP_DBG_ON */
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/* #define TCP_DEBUG LWIP_DBG_ON */
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#endif /* __LWIP__LWIPOPTS_H__ */
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