OPEN ALLIANCE TC8. Compliance Verification for Ethernet ECUs. Stuttgart, May 3rd Georg Janker.
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1 OPEN ALLIANCE TC8 Compliance Verification for Ethernet ECUs Stuttgart, May 3rd 2017 Georg Janker CTO
2 Agenda 1. Motivation 2. The Compliance Verification Process 3. OPEN Alliance Automotive Ethernet ECU Test Specification 4. Experiences 5. Conclusion 2
3 Motivation Successful startup of Compliance Verification: The first OPEN ALLIANCE TC8 Test Specification has been released in 2016 A complete test process over all OSI/ISO layers has been put into reality. Test setups are finished to make the test process reality. The Test Process has been successfully integrated into OEMs boardnet development projects. The first projects have been realized at the compliance test lab. RUETZ SYSTEM SOLUTIONS has successfully executed tests against TIER1 components and TIER2 devices. 3
4 Motivation When to recognize bugs? -> As early as possible! TIER 2 Hard and Software components SOME/IP Stack TCPIP Stack Switch Phy TIER 1 ECUs Gateway Camera System Internet Connectivity Infotainment Driver Assistance OEM System Integration Subsystem Vehicle Integration Goals: Transparency Standards Low effort Compliance 4
5 Motivation Initial considerations How to get started as OEM? How to get started as TIER 1? What Test Scopes are important? What about quality? What kind of contribution is desirable / necessary? 5
6 Agenda 1. Motivation 2. The Compliance Verification Process 3. OPEN Alliance TC8 Test Specification 4. Success Stories 5. Conclusion 6
7 The Compliance Verification Process Overview KPI Cockpit OEM OEM Compliance Standard Test Specification Supplier Supplier Supplier contribution Conformance Interoperability Test Process Quality Testhouse 7
8 The Compliance Verification Process Compliance as important part of System Integration A Sample A Sample B Sample B Sample C Sample D Sample Production Application Middleware Physical Layer Testing of new features at the earliest stage! Don t forget Regression Testing! Testing Compliance 8
9 The Compliance Verification Process Example for a test cycle (at a Integration Step) Supplier provides DUT information Test House creates Testplan Release of Testplan Delivery of DUT Sample Test execution Test result evaluation Delivery of Test Report Test Specification DUT Information determines selection of Test cases Test Plan 9
10 Agenda 1. Motivation 2. The Compliance Verification Process 3. OPEN Alliance TC8 Test Specification 4. Examples 5. Conclusion 10
11 OPEN Alliance Automotive Ethernet ECU Test Specification avaliable as public version 899 test cases 824 pages 11
12 OPEN Alliance Automotive Ethernet ECU Test Specification Test Scopes of Release 1.0 Layer 1 (PHY) Interoperability Tests PMA Layer 2 (MAC) VLAN Testing QoS Testing General Switch Testing Ingress Filtering Diagnostics 12
13 OPEN Alliance Automotive Ethernet ECU Test Specification Test Scopes of Release 1.0 TCP/IP Protocol Family Address Resolution Protocol (ARP) Internet Control Message Protocol version 4 (ICMPv4) Internet Protocol version 4 (IPv4) Dynamic configuration of IPv4 Link Local Address User Datagram Protocol (UDP) Dynamic Host Configuration Protcol version 4 (DHCPv4) Transmission Control Protocol (TCP) Automotive Protocols SOME/IP SOME/IP SD 13
14 OPEN Alliance Automotive Ethernet ECU Test Specification Current activities TC8 works currently on Version 2.0 Updates based on feedback from the first projects Update of Phy tests according to TC1 improvements Including subset of TC11 testcases Additional SOME/IP tests focused on SD and seralisation. 14
15 Agenda 1. Motivation 2. The Compliance Verification Process 3. OPEN Alliance TC8 Test Specification 4. Experiences 5. Conclusion 15
16 Experiences Physical Layer Findings: Signal integrity violations Link up after power on too late, caused by unsufficient aplication Test system DUT (ECU) Con Con Golden Device CMC t start Power supply Low Pass Filter Power supply PHY Tx Rx t stop µc 16
17 Experiences MAC Layer Findings MAC Address incremented for every new frame transmitted VLAN ingress filter does not distinguish between Tag Protocol Identifier and Tag Control Information Unsufficient switch configuration as root cause to busload an security issues: Forbidden VLAN tags and Ethertypes were not dropped VLAN hopping possible due to wrong ingress filters for double tags 17
18 Experiences TCP / IP 3 way handshake timeouts SYN-ACK too late (>3sec!) FIN-ACK not sent Bootloader Flash Interruption due to wrong configuration of Congestion Control / Flow Control Nagle Algorythm Address management errors within: Auto IP mechanisms IP Addressing 18
19 Experiences SOME/IP Ports not configured (ICMP port unreachable) Subscribe with wrong port values Timings (cyclic offer) not correctly implemented Wrong Headers Serializer not correctly implemented SD state machines not correctly implemented Subscribe without offer cyclic ARP requests 19
20 Agenda 1. Motivation 2. The Compliance Verification Process 3. OPEN Alliance TC8 Test Specification 4. Experiences 5. Conclusion 20
21 Conclusion The Compliance Process is up and running now! It introduces standardized test methods It converges new Automotive Standards to reliable systems It provides an ecosystem for component and ECU verification It eases the entry for new OEMs and Suppliers 21
22 Thank you for your attention! Walter-Gropius-Straße München Germany T +49 / 89 / F +49 / 89 / info@ruetz-system-solutions.com 22
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