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Changelog

v1.1.0 2026-10-02

  • New ports: AMD/Xilinx (ZCU102, Versal VMK180, Zynq-7000), NXP QorIQ (FMan, ENETC, eTSEC, QUICC UCC), PIC32MZ, RealTek AmebaPro2, NXP LPC54S018M, STM32C5A3, STM32F437/F439, Pico 2 W, Zephyr; wolfHAL as a submodule under lib/; big-endian host support.
  • TFTP client and server.
  • Multicast UDP sockets with IGMP.
  • Raw and AF_PACKET sockets.
  • VLAN 802.1Q tagging and filtering.
  • Multi-interface routing and forwarding: static route table, martian and strict-RPF source checks.
  • Loopback interface.
  • wolfSupplicant: clean-room WPA/WPA2/WPA3 supplicant with WPA3-SAE interop; wired 802.1X EAP-TLS demo on STM32H563.
  • MACsec 802.1AE (SecY) with wolfMKA control plane.
  • wolfGuard: key rotation, cookie expiry, source policy enforcement.
  • TCP: RFC 9293 acceptability and RST handling, pre-accept and late-accept fixes, PAWS in TIME_WAIT/LAST_ACK, MSS floor, 64 s RTO cap, retransmit in teardown states.
  • DHCP: RFC 4331 DAD before lease bind, exponential retransmit backoff, jittered T1/T2, server-ID validation.
  • DNS response validation per RFC 1035; IGMP query responses deferred per RFC 3376.
  • Security hardening: ARP guardrails (DAD, anti-poisoning, rate limiting), IPsec ESP replay window and SA persistence, TFTP and HTTP hardening, raw socket receive enforcement.
  • New APIs: wolfIP_sock_abort(), IP_TOS setsockopt, SO_RCVTIMEO; FreeRTOS ISR-safe wake and deadline-based sleep.
  • Compile-out options for the DHCP client and zero-UDP builds.
  • Docs: porting guide, how-to guides (TLS, HTTP, wolfGuard, DHCP/DNS, IPsec ESP, TFTP, advanced IPv4), lwIP migration guide with Japanese translation, CONTRIBUTING.md.
  • wolfIP_poll refactor
  • Fixed ESP anti-replay window issue (CWE-354). Reported by: Matan Radomski.

v1.0 2026-03-31

Initial public wolfIP release.

  • Zero-allocation IPv4 stack with static buffers, fixed socket tables, and a BSD-like non-blocking socket API with callback support.
  • Core protocol support for Ethernet II, ARP, IPv4, ICMP, UDP, TCP, DHCP client, and DNS client.
  • TCP support for MSS, timestamps, PAWS, window scaling, RTO, SACK, slow start, congestion avoidance, and fast retransmit.
  • HTTP/HTTPS server support.
  • IPsec ESP transport mode support.
  • IP filtering support, including wolfSentry integration.
  • Native wolfGuard support.
  • Optional IPv4 forwarding for multi-interface builds.
  • Integration layers for wolfSSL, wolfSSH, wolfMQTT, FreeRTOS blocking BSD sockets, and POSIX LD_PRELOAD socket interception via libwolfip.so.
  • Host link drivers for Linux TAP/TUN, Darwin utun, FreeBSD TAP, and VDE2.
  • Embedded ports for STM32H753ZI, STM32H563, STM32N6, VA416xx, and Raspberry Pi Pico USB networking demos.
  • Shared Ethernet support for STM32 and VA416xx targets, plus common embedded service glue and certificates under src/port.