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Description:

add documentation for the advanced configuration option 'enable_lwip_tcp_sack'

Related issue (if applicable): fixes

Pull request in esphome with YAML changes (if applicable):

Checklist:

  • I am merging into next because this is new documentation that has a matching pull-request in esphome as linked above.
    or

  • I am merging into current because this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.

  • Link added in /components/index.rst when creating new documents for new components or cookbook.

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- **enable_lwip_check_thread_safety** (*Optional*, boolean): Enable LWIP thread safety checks to detect incorrect usage of
the TCP/IP stack from multiple threads. This helps catch thread safety issues when core locking is enabled. Defaults to ``true``.
- **enable_lwip_tcp_sack** (*Optional*, boolean): Enable TCP selective acknowledgments
to improve performance on lossy or high latency networks. Defaults to ``true``.
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The documentation should mention that the option is framework-dependent (only applies when using esp-idf)

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@RubenKelevra RubenKelevra Aug 14, 2025

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Ah, yeah, sorry forgot that.

The other lwip options should get the same treatment, though.

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Actually, never mind. I was missing that context. The header for the entire LWIP options section already says "LWIP Optimization Options (ESP-IDF only):" so there is no need to add notes on the specific options.

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There hasn't been any activity on this pull request recently. This pull request has been automatically marked as stale because of that and will be closed if no further activity occurs within 7 days. Thank you for your contributions.

@github-actions github-actions bot added the stale label Oct 20, 2025
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2 participants