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d9a4773194
This patch reintroduces the LwIP stack to libc as a VFS plugin implementing the socket_fs interface. Rather than use LwIP's socket emulation layer this plugin interfaces directly to LwIP raw API and is single threaded. The internal TCP parameters of the stack are untuned. Fix #2050 Fix #2335
134 lines
3.8 KiB
C
134 lines
3.8 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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* \author Emery Hemingway
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* \date 2009-11-10
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*
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* See lwip/src/include/lwip/opt.h for all options
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*/
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/*
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* Copyright (C) 2009-2017 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 Affero General Public License version 3.
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*/
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#ifndef __LWIP__LWIPOPTS_H__
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#define __LWIP__LWIPOPTS_H__
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/* Genode includes */
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#include <base/fixed_stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Use lwIP without OS-awareness
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*/
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#define NO_SYS 1
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#define SYS_LIGHTWEIGHT_PROT 0
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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 0 /* LwIP socket API */
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#define LWIP_NETIF_LOOPBACK 1 /* Looping back to same address? */
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#define LWIP_STATS 0 /* disable stating */
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#define LWIP_TCP_TIMESTAMPS 1
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#define TCP_MSS 1460
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#define TCP_WND (32 * TCP_MSS)
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#define TCP_SND_BUF (32 * TCP_MSS)
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#define LWIP_WND_SCALE 3
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#define TCP_RCV_SCALE 2
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#define TCP_SND_QUEUELEN ((8 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS))
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#define LWIP_NETIF_STATUS_CALLBACK 1 /* callback function used for interface changes */
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#define LWIP_NETIF_LINK_CALLBACK 1 /* callback function used for link-state changes */
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/***********************************
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** Checksum calculation settings **
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***********************************/
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/* checksum calculation for outgoing packets can be disabled if the hardware supports it */
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#define LWIP_CHECKSUM_ON_COPY 1 /* calculate checksum during memcpy */
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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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/* MEM_ALIGNMENT > 4 e.g. for x86_64 are not supported, see Genode issue #817 */
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#define MEM_ALIGNMENT 4
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#define DEFAULT_ACCEPTMBOX_SIZE 128
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#define TCPIP_MBOX_SIZE 128
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#define RECV_BUFSIZE_DEFAULT (512*1024)
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#define PBUF_POOL_SIZE 96
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#define MEMP_NUM_SYS_TIMEOUT 16
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#define MEMP_NUM_TCP_PCB 128
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void genode_memcpy(void * dst, const void *src, unsigned long size);
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#define MEMCPY(dst,src,len) genode_memcpy(dst,src,len)
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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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/*
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----------------------------------
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---------- DHCP options ----------
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----------------------------------
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*/
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#define LWIP_DHCP_CHECK_LINK_UP 1
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/*
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----------------------------------------------
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---------- Sequential layer options ----------
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----------------------------------------------
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*/
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/* no Netconn API */
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#define LWIP_NETCONN 0
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/*
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---------------------------------------
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---------- IPv6 options ---------------
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---------------------------------------
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*/
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#define LWIP_IPV6 1
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#define IPV6_FRAG_COPYHEADER 1
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#ifdef __cplusplus
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}
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#endif
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#endif /* __LWIP__LWIPOPTS_H__ */
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