[routing-manager] exclude on-link prefixes with short preferred lifetime (#10062)

This commit updates `FindFavoredOnLinkPrefix()` to exclude discovered
on-link prefixes with preferred lifetimes under 30 minutes.

Bug: b/337009069
Change-Id: Id84e1baa45848db8b636429c03cbff7e924300e6
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/openthread/+/1049981
Reviewed-by: Sundarajan Srinivasan <sundarsrini@google.com>
4 files changed
tree: d0e8c7e897fd7cdd688204863239630495b09b92
  1. .github/
  2. doc/
  3. etc/
  4. examples/
  5. include/
  6. script/
  7. src/
  8. tests/
  9. third_party/
  10. tools/
  11. zephyr/
  12. .clang-format
  13. .clang-tidy
  14. .code-spell-ignore
  15. .codecov.yml
  16. .default-version
  17. .gitattributes
  18. .gitignore
  19. .gn
  20. .prettierrc
  22. BUILD.gn
  23. CMakeLists.txt
  27. NOTICE
  28. openthread_upstream_version.gni
  29. OWNERS
  30. README.md
  31. SECURITY.md
  32. STYLE_GUIDE.md

OpenThread Build Simulation Docker Coverage Status

What is OpenThread?

OpenThread released by Google is...

...an open-source implementation of the Thread networking protocol. Google Nest has released OpenThread to make the technology used in Nest products more broadly available to developers to accelerate the development of products for the connected home.

...OS and platform agnostic, with a narrow platform abstraction layer and a small memory footprint, making it highly portable. It supports both system-on-chip (SoC) and network co-processor (NCP) designs.

...a Thread Certified Component, implementing all features defined in the Thread 1.3.0 specification, including all Thread networking layers (IPv6, 6LoWPAN, IEEE 802.15.4 with MAC security, Mesh Link Establishment, Mesh Routing) and device roles, as well as Border Router support.

More information about Thread can be found at threadgroup.org. Thread is a registered trademark of the Thread Group, Inc.

Who supports OpenThread?

Getting started

All end-user documentation and guides are located at openthread.io. If you're looking to do things like...

  • Learn more about OpenThread features and enhancements
  • Use OpenThread in your products
  • Learn how to build and configure a Thread network
  • Port OpenThread to a new platform
  • Build an application on top of OpenThread
  • Certify a product using OpenThread

...then openthread.io is the place for you.

Note: For users in China, end-user documentation is available at openthread.google.cn.

If you're interested in contributing to OpenThread, read on.


We would love for you to contribute to OpenThread and help make it even better than it is today! See our Contributing Guidelines for more information.

Contributors are required to abide by our Code of Conduct and Coding Conventions and Style Guide.


OpenThread is released under the BSD 3-Clause license. See the LICENSE file for more information.

Please only use the OpenThread name and marks when accurately referencing this software distribution. Do not use the marks in a way that suggests you are endorsed by or otherwise affiliated with Nest, Google, or The Thread Group.

Need help?

OpenThread support is available on GitHub: