ddidderr/softlan-vpn
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softlan-vpn/CHANGELOG.md
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ddidderr 9175eedce9 [release] softlan-vpn v0.1.0 
First release of softlan-vpn, a low-latency virtual Layer 2 gaming VPN and
Ethernet bridge built on QUIC datagrams.

This release introduces the initial workspace architecture, crates, and
operational components:

- lanparty-relay: QUIC-based Layer 2 VPN relay server with room-level isolation,
  learning switch (CAM table), anti-spoofing MAC validation, safety filters
  against rogue DHCP servers and IPv6 Router Advertisements, token-bucket rate
  limiters, and development TLS certificate generation.
- lanparty-gateway: Linux Layer 2 gateway bridge utilizing raw AF_PACKET sockets
  in promiscuous mode to bridge physical LAN segments to remote VPN rooms with
  carrier checking and datagram budget enforcement.
- lanparty-client-win: Windows client CLI and session engine integrating
  TAP-Windows6 adapter I/O, scoped IP route management (relay host route pinning,
  default route suppression, metric configuration), and real-time terminal
  diagnostics.
- lanparty-proto, lanparty-ctrl, lanparty-obs, lanparty-net: Protocol primitives,
  control stream codec, observability reporting, and network resolution helpers.

Initial release is documented in CHANGELOG.md adhering to Keep a Changelog and
Semantic Versioning.

Test Plan:
- `just clippy` -- passed
- `just fmt` -- passed
- `just test` -- passed (118 tests across all crates)
- `git diff --cached --check` -- passed

Refs: CHANGELOG.md "[0.1.0]", AGENTS.md "Versioning Policy"
2026-08-16 10:39:04 +02:00

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

[0.1.0] - 2026-08-16

Added

  • QUIC-based Layer 2 VPN Relay (lanparty-relay):
    • Room-isolated virtual Layer 2 Ethernet switching over QUIC datagrams (quinn / rustls).
    • Learning switch (CAM table) for unicast frame forwarding and broadcast/multicast flooding.
    • L2 safety filters: client source MAC anti-spoofing, rogue DHCPv4/DHCPv6 server reply filtering, IPv6 Router Advertisement suppression (including behind extension headers), IPv6 fragment filtering, remote VLAN tag filtering, and malformed frame rejection.
    • Token-bucket rate limiting for broadcast, unknown unicast, and total client bandwidth.
    • Development TLS certificate generation helper.
  • Linux Physical Gateway Bridge (lanparty-gateway):
    • Promiscuous AF_PACKET raw socket bridge connecting local physical LAN networks to virtual relay rooms.
    • Ingress/egress datagram budget enforcement, carrier validation, and self-injection filtering.
  • Windows Client (lanparty-client-win, lanparty-client-core, lanparty-client-tap, lanparty-client-route):
    • TAP-Windows6 adapter management and Ethernet frame I/O.
    • Scoped Windows IP route management: relay host route pinning, TAP default route suppression, and interface metric configuration.
    • Virtual MAC persistence and reconnect handling.
    • Real-time diagnostic reporting for RTT, LAN DHCP lease state, gateway presence, and frame flow counters.
  • Shared Infrastructure:
    • Protocol primitives (lanparty-proto) for datagram framing, MTU negotiation, and safety classifications.
    • Control plane (lanparty-ctrl) for room admission, peer lifecycle events, and stats snapshots.
    • Observability suite (lanparty-obs) for structured frame logging and diagnostic formatting.
    • Network address resolution utilities (lanparty-net).
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