webinar series

Transcription

1 webinar series Introdction to Atomotive Ethernet V

2 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 2

3 Information Moderator Dipl. Ing. (FH), M.Sc. Jan Bossert Technical Trainer Areas of responsibility CAN, FlexRay, Ethernet and IP CANoe and CANalyzer 3

4 Information Vector training classes/workshops VectorAcademy Basics: > CAN, LIN, Ethernet and IP, Prodcts: > CANoe, CANalyzer, CANape, Software components: > AUTOSAR, OSEK/VDX, Additional information: > Ethernet E-Learning: > 4

5 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 5

6 Introdction webinar series Part 1: Introdction to Atomotive Ethernet > Host: Jan Bossert > Thrsday, May 03 rd, 2018 Part 2: Moving Forward: Tool Spported Development for Atomotive Ethernet in Time Sensitive Networks > Host: Patrick Pfeifer > Thrsday, May 17 th, 2018 Part 3: The Vector Embedded Ethernet Stack and Its Use Cases in Motor Vehicles > Host: Marks Helmling, Bernd Jesse > Thrsday, Jne 07 th, 2018 Part 4: PREEvision Atomotive Ethernet Design > Host: Daniel Gebaer > Monday, Jne 25 th,

7 Introdction Application area Diagnostics and Flash Update Service-oriented Commnication Signal-oriented Commnication Adio/Video Time Sync 7 6 DoIP SOME/IP Signal/PDU 5 TSN 4 TCP/UDP 3 IPv4/IPv6 2 IEEE Ethernet MAC + VLAN 1 Ethernet PHY (IEEE 100Base-T1, IEEE 1000Base-T1, IEEE 100Base-TX, IEEE 1000Base-T) 7

8 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 8

9 Physical layers Ethernet topology in atomotive 9

10 Physical layers Components of an ECU Digital I/O µc MII MII µc: HOST Contains application and basic software Needs an IEEE Ethernet MAC for Ethernet commnication Ethernet PHY MII: Medim Independent Interface Connection between µc and PHY MDI MDI: Medim Dependent Interface Connection to physical layer Medim Data stream Control signals 10

11 Physical layers IEEE 100Base-T1 (formerly OABR) ECU 1 Coding/Decoding: ECU 2 4B/3B, 3B2T, PAM3 MASTER IEEE 100Base-T1 PHY MDI Clock recovery/synchronization: Master-slave behavior Configred in PHY SLAVE IEEE 100Base-T1 PHY MDI UTP: Unshielded Twisted Pair 100 Mbit/s FULL DUPLEX 11

12 Physical layers IEEE 1000Base-T1 Coding/Decoding: ECU 1 ECU 2 80B/81B, 3B2T, PAM3 FEC (Forward Error Correction) MASTER IEEE 1000Base-T1 PHY MDI Clock recovery/synchronization: Master-slave behavior Configred in PHY SLAVE IEEE 1000Base-T1 PHY MDI UTP: Unshielded Twisted Pair 1000 Mbit/s FULL DUPLEX 12

13 Physical layers IEEE 100Base-TX Coding/Decoding: NRZI, 4B5B, MLT-3 ECU 1 ECU 2 100Base-TX PHY Clock recovery/synchronization: Each path is activated by transmitter Synchronization is done continosly 100Base-TX PHY MDI MDI Tx Rx Tx Rx 100 Mbit/s FULL DUPLEX 13

14 Physical layers IEEE 1000Base-T Coding/Decoding: 4D-PAM5, 8B1Q4 ECU 1 Clock recovery: ECU 2 Master-slave behavior Role is configred or negotiated MASTER 1000Base-T PHY SLAVE 1000Base-T PHY MDI MDI 1000 Mbit/s FULL DUPLEX 14

15 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 15

16 IEEE Ethernet MAC + VLAN Properties Ethernet Medim Access Control + VLAN Independent data link layer which spports different PHYs Defines basic fnctions for commnication: > Bs access: CSMA/CD > Frame format: Ethernet Frame > Addressing: Node addressing Ethernet MAC + VLAN Detailed sb-layers of layer 2: > LLC: Logical Link Control Controls different connections of higher layers > MAC: Medim Access Control Provides above-named fnctions 1 Ethernet PHY 16

17 IEEE Ethernet MAC + VLAN MAC addresses and VLAN MAC address AA:BB:CC:DD:EE:01 VLAN 1, VLAN 2 Switch MAC address AA:BB:CC:DD:EE:02 VLAN 2, VLAN 3 MAC PHY PHY PHY PHY MAC address AA:BB:CC:DD:EE:03 VLAN 1, VLAN 3 MAC address AA:BB:CC:DD:EE:04 VLAN 1, VLAN 2, VLAN 3 17

18 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 18

19 Internet Protocol (IPv4/IPv6) Properties Internet Protocol v4/v6 7 Allows roting of data packets across network bondaries 6 5 Two versions are available > IPv4: For Byte addresses (32 Bit) > IPv6: Sixteen Byte addresses (128 Bit) 4 3 IPv4/IPv6 Is sing Ethernet Frames: > IPv4: Type 0x0800 > IPv6: Type 0x86DD 2 Ethernet MAC + VLAN 1 Ethernet PHY 19

20 Internet Protocol (IPv4/IPv6) IP addresses (Example IPv4) 20

21 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 21

22 TCP and UDP Introdction 7 TCP: Transmission Control Protocol Allows connection-oriented commnication 6 5 UDP: User Datagram Protocol Allows connectionless commnication TCP/UDP IPv4/IPv6 Ethernet MAC + VLAN Ethernet PHY TCP and UDP Ports are sed for addressing > Sorce Port: Transmitter sorce port > Destination Port: Receiver destination port Are sing IP packets: > TCP: protocol field = 6 > UDP: protocol field = 17 22

23 TCP and UDP TCP/UDP ports 23

24 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 24

25 DoIP DoIP: Diagnostics over IP Diagnostics and Flash Update 7 Application areas: > Diagnostics over Ethernet and IP 6 DoIP > Flash programming 5 Needs TCP and UDP packets: > UDP: Vehicle discovery, stats information 4 TCP/UDP > TCP: Diagnostics messages, alive check, etc. 3 IPv4/IPv6 Description file: CDD, ODX, etc. 2 Ethernet MAC + VLAN > Describes available diagnostic services 1 Ethernet PHY 25

26 DoIP Diagnostic Tester Description file: CDD, ODX, etc. Tester needs a description file for each ECU Tester Logical address: For each ECU and Tester an own logical address has to be defined Tester UDP/IP or TCP/IP: Layer 3: IP addresses (e.g ) Layer 4: UDP/TCP ports (e.g ) Ethernet Activation Line GW Door CAN Roof Seat 26

27 DoIP Diagnostic Gateway Activation Line: e.g. via WWH-OBD Activates the diagnostic connector at the Gateway (physically) Logical addresses: For each ECU and Tester an own logical address has to be defined UDP/IP or TCP/IP: Layer 3: IP addresses (e.g ) Layer 4: UDP/TCP ports (e.g ) Activation Line GW Door Ethernet CAN Roof Seat 27

28 DoIP Diagnostics Gateway for parallel re-programming Tester 0x0E00 Ethernet Diagnostics Gateway 0x0200 FlexRay CAN CAN LIN 0x0350 0x0301 0x0401 0x0501 0x0601 0x0351 0x0302 0x0402 0x0550 0x0352 0x0303 0x0403 0x0551 ECUs re-programmed in parallel 28

29 DoIP Seqence for CAN diagnostics Tester DHCP Server DoIP Client Diag. Gateway DHCP Client DoIP Server CAN ECU Activation line active [UDP] DHCP-based IP address assignment [UDP] DoIP Vehicle Identification [TCP] Connection setp [TCP] DoIP Roting Activation [TCP] DoIP Diagnostic Messages 1. Diag. Message (diagnostic reqest) 2. Diag. Message Acknowledgement 3. Diag. Message (diagnostic response) [TCP] Connection shtdown 29

30 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 30

31 Signal/PDU Signal-oriented Commnication (Signal/PDU) Signal-oriented Commnication 7 6 Signal/PDU Application areas : > Classical signal transmission via PDUs > Forwarding of data from classical bs systems via Ethernet Backbone TCP/UDP IPv4/IPv6 Needs TCP and UDP packets: > UDP: Allows Mlti-/Broadcast, faster than TCP > TCP: more reliable than UDP, only Unicast 2 Ethernet MAC + VLAN Description file: ARXML > Description of signals, PDUs and frames 1 Ethernet PHY 31

32 Signal/PDU Data transmission via Ethernet Backbone Central Gateway Ethernet GW A GW B GW C GW D FlexRay CAN CAN LIN GW E ECU 3 ECU 6 ECU 9 ECU 12 ECU 1 ECU 4 ECU 7 ECU 10 ECU 2 ECU 5 ECU 8 ECU 11 Data transmission via Ethernet Backbone 32

33 Signal/PDU Layot of signals, PDUs and frames Static Layot > Comparable to classical bs systems (CAN, FlexRay, etc.) Signals PDU Frame Dynamic Layot > Each PDU gets an own niqe Header (Identifier and Length) > A PDU has no fixed position in a Frame Header PDU Header Header Frame (e. g. UDP packet) 33

34 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 34

35 SOME/IP SOME/IP: Scalable service-oriented MiddlewarE over IP Service Control/Discovery 7 6 SOME/IP Application areas: > SOME/IP: Service-oriented data transmission for controlled commnication > SOME/IP-SD: SOME/IP Service Discovery 5 Uses TCP segments or UDP datagrams: 4 TCP/UDP > UDP: Allows Mlti-/Broadcast, faster than TCP > TCP: more reliable than UDP, only Unicast 3 IPv4/IPv6 2 1 Ethernet MAC + VLAN Ethernet PHY Description file: FIBEX 4.1, ARXML > Describes services (method, event, field) and content of services 35

36 SOME/IP Types of Services Client Server Methods: Reqest > Concept: Remote Procedre Call (RPC) Response > Reqest/Response: Method creates a retrn vale > Fire&Forget: Methode has no retrn vale Client Server Event/Field: Sbscribe Event Grop > Concept: Pblish/Sbscribe Acknowledgement > Sbscribe Event Grop: Client sbscribes to service on Server Notification > Notification: Server sends pdated information atomatically to Client 36

37 SOME/IP Service-oriented data transmission Data transmission: > Commnication relationships are bilt p dring rntime > Data are transmitted if there is a minimm of one receiver > Data serialization is done dynamically dring rntime C S Offer service Call method (Reqest) Get retrn vales (Response) Service Discovery (SOME/IP-SD): > Location of a service is flexible > A server can offer a service (Offer) or a client can find it (Find) > It s possible to sbscribe to Events and Fields, if there is a need to consme information (Sbscribe Event Grop) Offer service Sbscribe Event Grop Acknowledgement Notifications 37

38 SOME/IP Dynamic Data Serialization Classical Data Serialization: > Signals are mapped statically to a PDU Layot > Signals have fixed length and position in a PDU > It s possible that not every signal in a PDU contains sefl data Signals PDU Application data SOME/IP PDU Dynamic Data Serialization: > Signals and PDUs of dynamic length > Content and length are generated dring rntime > Only sefl content is transmitted strct int32 val1 float32 val2 int8 array[1..9] int8 val3 val1_1 val1_2 val1_3 val1_4 val2_1 val2_2 val2_3 val2_4 array len array_1 array_2 val3_1 38

39 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 39

40 TSN TSN: Time Sensitive Networking (formerly AVB) Adio/Video Time Sync TSN Use cases: > Mltimedia/Infotainment: Transmission of Adio/Video streams via Ethernet > Synchronization of sensor data streams (Camera, Radar, Lidar) for adaptive and atonomos driving 4 Qalitiy of Service (QoS): Ethernet MAC + VLAN Ethernet PHY > Time synchronos data transmission > Garanteed worst case latency for data transmission > Bandwidth reservation for garanteed worst case latency 40

41 TSN TSN Domain, Endpoint, Talker, Listener, Bridge Bridge/Switch Talker Endpoint Listener Endpoint TSN Domain Ethernet LAN 41

42 TSN Protocol stack of Talker, Bridge & Listener AV Appl. AV Appl. PTP SRP AVTP PTP SRP AVTP PTP SRP AVTP Ethernet FQTSS Ethernet FQTSS Ethernet Talker Bridge Listener 42

43 TSN Protocol stack and specifications 7 Adio/Video Application Precision Time Protocol (PTP): > Timing and Synchronization for Time-Sensitive Applications > IEEE 802.1AS 6 Stream Reservation Protocol (SRP): 5 PTP SRP AVTP > Dynamic stream annoncement with admission control > IEEE 802.1Qat 4 Adio/Video Transport Protocol (AVTP): 3 > Covers encryption, simple A/V streams and formats, atomotive message types within an A/V stream > IEEE Ethernet MAC +VLAN FQTSS Forwarding and Qeing Enhancement for Time Sensitive Stream (FQTSS): > Allows traffic shaping (priority or credit based) 1 Ethernet PHY > IEEE 802.1Qav 43

44 Agenda Information 3 Introdction 6 Physical layers 9 IEEE Ethernet MAC + VLAN 16 Internet Protocol (IPv4/IPv6) 19 TCP and UDP 22 DoIP 25 Signal/PDU 31 SOME/IP 35 TSN 40 Smmary and otlook 45 44

45 Smmary and otlook Application areas Diagnostics and Flash Update Service-oriented Commnication Signal-oriented Commnication Adio/Video Time Sync 7 6 DoIP SOME/IP Signal/PDU 5 TSN 4 TCP/UDP 3 IPv4/IPv6 2 IEEE Ethernet MAC + VLAN 1 Ethernet PHY (IEEE 100Base-T1, IEEE 1000Base-T1, IEEE 100Base-TX, IEEE 1000Base-T) 45

46 Smmary and otlook CANoe/CANalyzer.Ethernet CANoe/CANalyzer Demo inclding Ethernet: > Measring, analyzing, simlation, testing of Ethernet and IP based commnication > Free demo version: Prodcts: CANoe, Categories: Demos SCC AddOn (needs CANoe.Ethernet): > Measring, analyzing, simlation, testing of Smart Charge Commnication > Free download: Prodcts: CANoe, Categories: AddOns/Freeware CANoe/CANalyzer.Ethernet 46

47 Smmary and otlook webinar series Part 1: Introdction to Atomotive Ethernet > Host: Jan Bossert > Thrsday, May 03 rd, 2018 Part 2: Moving Forward: Tool Spported Development for Atomotive Ethernet in Time Sensitive Networks > Host: Patrick Pfeifer > Thrsday, May 17 th, 2018 Part 3: The Vector Embedded Ethernet Stack and Its Use Cases in Motor Vehicles > Host: Marks Helmling, Bernd Jesse > Thrsday, Jne 07 th, 2018 Part 4: PREEvision Atomotive Ethernet Design > Host: Daniel Gebaer > Monday, Jne 25 th,

48 For more information abot Vector and or prodcts please visit Athor: Bossert, Jan Vector Informatik GmbH Vector Informatik GmbH. All rights reserved. Any distribtion or copying is sbject to prior written approval by Vector. V