diff --git a/proj/unixlib/Makefile b/proj/unixlib/Makefile new file mode 100644 index 00000000..f86de575 --- /dev/null +++ b/proj/unixlib/Makefile @@ -0,0 +1,86 @@ +# +# 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 +# + +CCDEP=gcc +CC=gcc +CFLAGS=-g -Wall -fPIC -DIPv4 -DLWIP_DEBUG +LWIPARCH=unix +LWIPDIR=../../src + +CFLAGS:=$(CFLAGS) \ + -I$(LWIPDIR)/include -I$(LWIPDIR)/arch/$(LWIPARCH)/include -I$(LWIPDIR)/include/ipv4 \ + -Iapps -I. + +# COREFILES, CORE4FILES: The minimum set of files needed for lwIP. +COREFILES=$(LWIPDIR)/core/mem.c $(LWIPDIR)/core/memp.c $(LWIPDIR)/core/netif.c \ + $(LWIPDIR)/core/pbuf.c $(LWIPDIR)/core/stats.c $(LWIPDIR)/core/sys.c \ + $(LWIPDIR)/core/tcp.c $(LWIPDIR)/core/tcp_in.c \ + $(LWIPDIR)/core/tcp_out.c $(LWIPDIR)/core/udp.c +CORE4FILES=$(LWIPDIR)/core/ipv4/icmp.c $(LWIPDIR)/core/ipv4/ip.c \ + $(LWIPDIR)/core/inet.c $(LWIPDIR)/core/ipv4/ip_addr.c + + +# APIFILES: The files which implement the sequential and socket APIs. +APIFILES=$(LWIPDIR)/api/api_lib.c $(LWIPDIR)/api/api_msg.c $(LWIPDIR)/api/tcpip.c \ + $(LWIPDIR)/api/err.c $(LWIPDIR)/api/sockets.c + +# NETIFFILES: Files implementing various generic network interface functions.' +NETIFFILES=$(LWIPDIR)/netif/loopif.c \ + $(LWIPDIR)/netif/tcpdump.c $(LWIPDIR)/netif/etharp.c + +# ARCHFILES: Archiecture specific files. +ARCHFILES=$(wildcard $(LWIPDIR)/arch/$(LWIPARCH)/*.c $(LWIPDIR)/arch/$(LWIPARCH)/netif/*.c) + +# LWIPFILES: All the above. +LWIPFILES=$(COREFILES) $(CORE4FILES) $(APIFILES) $(NETIFFILES) $(ARCHFILES) +LWIPFILESW=$(wildcard $(LWIPFILES)) +LWIPOBJS=$(notdir $(LWIPFILESW:.c=.o)) + +LWIPLIB=liblwip4$(LWIPARCH)lib.so + +%.o: + $(CC) $(CFLAGS) -c $(<:.o=.c) + +all: $(LWIPLIB) +.PHONY: all + +clean: + rm -f *.o $(LWIPLIB) *.s .depend* *.core core + +depend dep: .depend + +include .depend + +$(LWIPLIB): $(LWIPOBJS) unixlib.o + $(CC) -g -nostartfiles -shared -o $@ $^ + +.depend: unixlib.c $(LWIPFILES) + $(CCDEP) $(CFLAGS) -MM $^ > .depend || rm -f .depend \ No newline at end of file diff --git a/proj/unixlib/README b/proj/unixlib/README new file mode 100644 index 00000000..cd6cc7b7 --- /dev/null +++ b/proj/unixlib/README @@ -0,0 +1,31 @@ +This directory contains an example of how to compile lwIP as a self +initialising shared library on Linux. + +Some brief instructions: + +* Compile the code: + + > make clean all + + This should produce liblwip4unixlib.so. This is the shared library. + +* Link an application against the shared library + + If you're using gcc you can do this by including -llwip4unixlib in +your link command. + +* Run your application + + Ensure that LD_LIBRARY_PATH includes the directory that contains +liblwip4unixlib.so (ie. this directory) + + + +If you are unsure about shared libraries and libraries on linux in +general, you might find this HOWTO useful: + + + + + +Kieran Mansley, October 2002. \ No newline at end of file diff --git a/proj/unixlib/lwipopts.h b/proj/unixlib/lwipopts.h new file mode 100644 index 00000000..fcc19448 --- /dev/null +++ b/proj/unixlib/lwipopts.h @@ -0,0 +1,171 @@ +/* + * 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 + * + */ +#ifndef __LWIPOPTS_H__ +#define __LWIPOPTS_H__ + +/* ---------- 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 1 + +/* 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 1600 + +/* 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 16 +/* 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 5 +/* 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 16 +/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active + timeouts. */ +#define MEMP_NUM_SYS_TIMEOUT 3 + + +/* 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 2 +/* MEMP_NUM_NETCONN: the number of struct netconns. */ +#define MEMP_NUM_NETCONN 4 +/* 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 8 +/* 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 8 + +/* These two control is reclaimer functions should be compiled + in. Should always be turned on (1). */ +#define MEM_RECLAIM 1 +#define MEMP_RECLAIM 1 + +/* ---------- Pbuf options ---------- */ +/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */ +#define PBUF_POOL_SIZE 6 + +/* 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 1 + +/* 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 1024 + +/* 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 1 + +/* 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 1 +#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__ */ diff --git a/proj/unixlib/unixlib.c b/proj/unixlib/unixlib.c new file mode 100644 index 00000000..119f85c0 --- /dev/null +++ b/proj/unixlib/unixlib.c @@ -0,0 +1,91 @@ +/* + * 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. + * + * Author: Kieran Mansley + * + * $Id: unixlib.c,v 1.1 2002/10/25 15:31:01 kieranm Exp $ + */ + +/*-----------------------------------------------------------------------------------*/ +/* unixlib.c + * + * The initialisation functions for a shared library + * + * You may need to configure this file to your own needs - it is only an example + * of how lwIP can be used as a self initialising shared library. + * + * In particular, you should change the gateway, ipaddr, and netmask to be the values + * you would like the stack to use. + */ +/*-----------------------------------------------------------------------------------*/ +#include "lwip/sys.h" +#include "lwip/mem.h" +#include "lwip/memp.h" +#include "lwip/pbuf.h" +#include "lwip/tcp.h" +#include "lwip/tcpip.h" +#include "lwip/netif.h" +#include "lwip/stats.h" + +#include "netif/tapif.h" + +static void +tcpip_init_done(void *arg) +{ + sys_sem_t *sem; + sem = arg; + sys_sem_signal(*sem); +} + +void _init(void){ + struct ip_addr ipaddr, netmask, gateway; + sys_sem_t sem; + + stats_init(); + sys_init(); + mem_init(); + memp_init(); + pbuf_init(); + + sem = sys_sem_new(0); + tcpip_init(tcpip_init_done, &sem); + sys_sem_wait(sem); + sys_sem_free(sem); + + netif_init(); + /* + CHANGE THESE to suit your own network configuration: + */ + IP4_ADDR(&gateway, 192,168,1,1); + IP4_ADDR(&ipaddr, 192,168,1,1); + IP4_ADDR(&netmask, 255,255,255,0); + + netif_set_default(netif_add(&ipaddr, &netmask, &gateway, tapif_init, + tcpip_input)); +} + +void _fini(void){ +}