https://paul-fleischmann.com/en/tags/classic-platform/Recent content in Classic Platform on Paul FleischmannHugoenSun, 02 Aug 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ieee1722transport/ieee1722-teil-1-avtp-grundlagen/Sun, 02 Aug 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ieee1722transport/ieee1722-teil-1-avtp-grundlagen/The opener of the IEEE 1722 series: what AVTP is, which AVTPDU formats exist (AAF, CRF, IIDC, RVF), and how native Ethernet framing differs from optional UDP encapsulation.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-teil-1-grundlagen-swst-architektur/Wed, 01 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-teil-1-grundlagen-swst-architektur/The opening post of the EthSwt tutorial series: the module's state machine, the configuration classes as defined by the SWS, and where EthSwt sits between EthIf and the switch ports in the AUTOSAR stack.https://paul-fleischmann.com/en/autosar/ethtrcv/ethtrcv-teil-1-grundlagen-einordnung/Mon, 15 Jun 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethtrcv/ethtrcv-teil-1-grundlagen-einordnung/The opening post of the EthTrcv series: what an Ethernet transceiver is, how EthTrcv sits in the AUTOSAR Layered Architecture Model between EthIf and PHY hardware, and which PHY chips show up in real projects.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-teil-2-api-initialisierungssequenz/Thu, 02 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-teil-2-api-initialisierungssequenz/The concrete EthSwt function calls: the init sequence with its background task, port modes, link state, and what to watch for when EthSwt interacts with EthTrcv on switch ports.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-teil-3-arxml-konfiguration/Fri, 03 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-teil-3-arxml-konfiguration/The real ARXML container structure of EthSwt: EthSwtPort, EthSwtPortIngress and the actual VLAN parameters — including a complete configuration example.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-teil-4-vlan-mirroring-diagnose/Sat, 04 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-teil-4-vlan-mirroring-diagnose/Toggling VLANs at runtime, EthSwt's surprisingly powerful port-mirror configuration, MAC learning modes, and diagnostics via MIB counters.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-hardware-architektur-switch-chip/Sun, 05 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-hardware-architektur-switch-chip/The three hardware variants for switch/PHY arrangements defined by the AUTOSAR SWS, the forwarding engine, and typical switch chips in practice.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-hardware-deep-dive/Mon, 06 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-hardware-deep-dive/Host-side interfaces (RGMII/SGMII) to the switch, internal forwarding paths, PCB and power aspects of multi-port chips, and the path a frame takes through the switch.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-inbetriebnahme-troubleshooting/Tue, 07 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-inbetriebnahme-troubleshooting/Typical failure patterns during EthSwt chip bring-up — from a port that won't come up to a host interface that doesn't respond — with concrete debugging paths.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-ansteuerung-via-spi/Wed, 08 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-ansteuerung-via-spi/How EthSwt accesses a switch chip via SPI: the real EthSwtSpi/EthSwtSpiSequence configuration and the generic register-access APIs that abstract MII and SPI alike.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-ansteuerung-via-smi/Thu, 09 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-ansteuerung-via-smi/The real EthSwt_ReadMmd/WriteMmd API for Clause 45 register access over the SMI — including emulation via Clause 22 operations if the hardware doesn't natively support Clause 45.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-ansteuerung-via-management-frames/Fri, 10 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-ansteuerung-via-management-frames/Vendor mechanisms for switch configuration via special Ethernet frames — and the important distinction from EthSwt_SetMgmtInfo, the real AUTOSAR mechanism for port-specific frame handling.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-tsn-stream-identification-filtering/Sat, 11 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-tsn-stream-identification-filtering/How EthSwt identifies Ethernet frames as streams using AND-linked filter rules, and which filter actions (drop, block-source, VLAN modification, egress redirection) can follow.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-firewall-interaktion/Sun, 12 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-firewall-interaktion/How EthSwt supplies the AUTOSAR Firewall module with StreamHandleIdentifiers and bucket statistics so it can raise security events to the IdsM — including the DRAFT-status APIs behind this functionality.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-time-aware-shaping-frame-preemption/Mon, 13 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-time-aware-shaping-frame-preemption/Cascaded egress schedulers, credit-based shaping and enhanced transmission selection, plus IEEE 802.1Q frame preemption — the core AUTOSAR mechanisms for deterministic Ethernet in the switch.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-macsec-im-switch/Tue, 14 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-macsec-im-switch/How EthSwt manages secure channels and secure associations per switch port, with bypass lists for management traffic and a shared MKA key infrastructure with EthTrcv.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-global-time-uhrensynchronisation/Wed, 15 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-global-time-uhrensynchronisation/How EthSwt provides port-specific hardware timestamps for EthTSyn, and how cascaded switches synchronize their internal clocks over uplink ports to avoid separate path-delay measurement.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-arl-tabelle-mac-learning/Thu, 16 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-arl-tabelle-mac-learning/The two MAC learning modes defined by IEEE 802.1Q and AUTOSAR — SVL and IVL — the start-up learning phase, and the two-phase query pattern of EthSwt_GetArlTable.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-diagnose-loopback-testmodi/Fri, 17 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-diagnose-loopback-testmodi/The surprising fact-check finding: most of EthSwt's port diagnostic APIs are pure forwarders to the referenced EthTrcv instance, not switch-native functionality.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-switch-fabric-architektur/Sat, 18 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-switch-fabric-architektur/What's actually inside a switch chip's silicon? Shared-memory vs. crossbar fabric, the lookup engine, buffer architecture, egress queues in hardware, and the embedded management core.https://paul-fleischmann.com/en/autosar/ethswt/ethswt-switch-stacking/Sun, 19 Jul 2026 00:00:00 +0000https://paul-fleischmann.com/en/autosar/ethswt/ethswt-switch-stacking/Real switch stacking distinguished from the cascading already covered: shared FDB/management plane, dedicated stacking links, and what this means for EthSwt from an AUTOSAR perspective.