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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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HOWTO for Wins Ethernet Driver
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0. Pre-requisities
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The implementation of Wins Ethernet driver makes use of packet capturing library:
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WinPcap, Release 2.2. This software sets the network card of the PC, on which Epoc
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Emulator is working, into so called promiscuous mode. The user must be confident that
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the environment she/he works in doesn’t forbid such settings. The quickest way
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to ensure about it is to contact network administrator.
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1. Trouble Shooting
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The following problems may occur when attempting to use WINS version of Ethernet driver:
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* Network application doesn’t send nor receive any packets: two potential reasons:
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- bad settings in CommDB - refer to point 4
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- Wpcap not installed - refer to point 2
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* A panic is raised of category: 'D32ETHER' with one of the following reasons:
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1 meaning: bad MAC address in ini file or entry for it missing or ini file missing
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2 meaning: entry for network interface name missing in ini file or ini file missing
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3 meaning: Wpcap couldn't be initialised - potentially not installed or name
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of network interface in .ini file wrong
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Panics occur if system is not configured properly, remedy can be found in notes below.
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* Wpcap error may occur - refer to http://winpcap.polito.it/misc/changelog.htm
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for advice how to fix the problem (this will require usually upgrading WinPcap
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package on user'’ machine).
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2. Wpcap
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Wpcap must be installed on a machine that wishes to use driver. Installation is simple:
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WinPcap.exe (located in: \epoc32\tools)
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should be run and then instructions should be followed.
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If user has already Wpcap installed on his workstation then should try to use
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Ethernet driver with this version. In case when it fails he must uninstall existing
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Wpcap and install the one from Epoc directory mentioned above.
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3. Netcards
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When Wpcap is already installed, a program called Netcards.exe should be run.
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It can be found in \epoc32\tools.
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(Note: Netcards uses Wpcap so the latter must be installed first).
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It will request user to select network card. Netcards writes a few entries
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into \epoc32\data\ethernet.ini file which are read by Epoc Emulator at startup
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(ensure that \epoc32\data directory exists). In particular MAC address value for use
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by Emulator is determined by the entry named 'ETHER_MAC' (it is recommended that
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network administrator was aware of the value of MAC address written there and authorise
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it if necessary; according to local conditions any other value preferred
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by administrator can be written manually instead of the value written by Netcards).
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Ethernet driver for WINS was originally
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designed for use in Techview environment which uses ethernet.ini file. Other environments
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(like Quartz) may use different .ini file (e.g. \epoc32\data\quartz.ini). A user can
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still run Ethernet module in these environments provided that .ini files appropriate
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for these environments contain entries written by netcards.exe to ethernet.ini - user can
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simply copy them - they are easy to recognise as they begin with ‘ETHER_‘ prefix .
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4. CommDB
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CommDB settings should indicate use of the NIF: ethint.nif and the agent: nullagt.agt.
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In current release of Epoc Networking software, data in the database are written by program
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called ced.exe, which takes wanted settings from text file: ced.cfg.
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Example settings to be put in this file are shown below. In the example it is assumed
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that IP address and network mask will be acquired by DHCP protocol:
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############################################################
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## LANBearer
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##
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[LANBearer]
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ADD_SECTION
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# COMMDB_ID = 1
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Name=Wins Ethernet
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Agent=nullagt.agt
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IfName=ethint
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LDDFilename=enet
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LDDName=Ethernet
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PDDFilename=ethernet
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PDDName=Ethernet.Wins
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PacketDriverName=EtherPkt.drv
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LastSocketActivityTimeout=-1
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LastSessionClosedTimeout=-1
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LastSocketClosedTimeout=-1
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FIELD_COUNT=8
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END_ADD
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ADD_SECTION
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# COMMDB_ID = 2
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Name=Assabet on-board Ethernet
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Agent=nullagt.agt
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IfName=ethint
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LDDFilename=enet
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LDDName=Ethernet
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PDDFilename=ethernet
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PDDName=Ethernet.Assabet
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PacketDriverName=EtherPkt.drv
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LastSocketActivityTimeout=-1
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LastSessionClosedTimeout=-1
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LastSocketClosedTimeout=-1
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FIELD_COUNT=8
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END_ADD
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############################################################
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## LANService
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##
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[LANService]
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ADD_SECTION
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# COMMDB_ID = 1
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Name=Ethernet
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#IfNetworks=ip,ip6
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IfNetworks=ip
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IpNetMask=0.0.0.0
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IpGateway=0.0.0.0
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IpAddrFromServer=TRUE
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IpAddr=0.0.0.0
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IpDNSAddrFromServer=TRUE
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IpNameServer1=0.0.0.0
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IpNameServer2=0.0.0.0
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FIELD_COUNT=9
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END_ADD
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############################################################
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## IAP
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##
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[IAP]
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ADD_SECTION
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# COMMDB_ID = 1
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Name=Ethernet IAP
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IAPService=1
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IAPServiceType=LANService
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IAPBearer=1
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IAPBearerType=LANBearer
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IAPNetwork=1
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IAPNetworkWeighting=0
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Location=2
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FIELD_COUNT=8
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END_ADD
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ADD_SECTION
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# COMMDB_ID = 2
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Name=NT RAS with Null Modem
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IAPService=2
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IAPServiceType=DialOutISP
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IAPBearer=2
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IAPBearerType=ModemBearer
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IAPNetwork=1
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IAPNetworkWeighting=0
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Location=2
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FIELD_COUNT=8
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END_ADD
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############################################################
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## ConnectionPreferences
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##
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[ConnectionPreferences]
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ADD_SECTION
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Ranking=0
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Direction=OUTGOING
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DialogPref=PROMPT
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BearerSet=LAN
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#IAP=Ethernet IAP
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IAP=1
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FIELD_COUNT=5
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END_ADD
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ADD_SECTION
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Ranking=1
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Direction=OUTGOING
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DialogPref=DONOTPROMPT
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BearerSet=LAN
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#IAP=Ethernet IAP
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IAP=1
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FIELD_COUNT=5
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END_ADD
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