linux: Add TCP_INFO support
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Authored by chuck on Mar 16 2026, 6:34 PM.

Details

Reviewers

emaste
kib
markj

Summary

Implement the getsockopt for TCP_INFO by mapping FreeBSD's version to
what Linux expects.

Diff Detail

Repository

rG FreeBSD src repository

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Unit

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Build Status

Buildable 73771
Build 70654: arc lint + arc unit

Event Timeline

chuck created this revision.Mar 16 2026, 6:34 PM

Herald added a subscriber: imp. · View Herald TranscriptMar 16 2026, 6:35 PM

chuck requested review of this revision.Mar 16 2026, 6:35 PM

Harbormaster completed remote builds in B71431: Diff 173764.Mar 16 2026, 6:35 PM

chuck added a parent revision: D55881: linux: Fix sockopt copyout.Mar 16 2026, 6:35 PM

kib added inline comments.Mar 16 2026, 8:46 PM

sys/compat/linux/linux_socket.c
2438	Why is this versioning needed? IMHO we could copyout as much as fit into the user buffer.

chuck added inline comments.Mar 17 2026, 2:53 PM

sys/compat/linux/linux_socket.c
2438	The intent was to return the amount of data a particular kernel version expected and no more. That said, I'm happy to drop this if others feel this is overkill.

Address review feedback and rebase.

Harbormaster completed remote builds in B73771: Diff 179470.Tue, Jun 9, 6:09 PM

kib accepted this revision.Tue, Jun 9, 11:17 PM

This revision is now accepted and ready to land.Tue, Jun 9, 11:17 PM

Revision Contents
Changeset List

Path

Size

sys/

compat/

linux/

linux_socket.h

92 lines

linux_socket.c

47 lines

Diff 179470

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sys/compat/linux/linux_socket.h