If we are low on TX descriptors, bypass iflib_txq_can_reclaim() and force a reclaim. This is intended to reduce the number of output drops under heavy load when using simple transmit.

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gallatin created this revision.Apr 9 2026, 11:35 PM

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gallatin requested review of this revision.Apr 9 2026, 11:35 PM

This revision was not accepted when it landed; it landed in state Needs Review.Apr 17 2026, 5:35 PM

Closed by commit rG52e7958702be: iflib: ignore reclaim coalescing when low on tx descriptors. · Explain Why

This revision was automatically updated to reflect the committed changes.

gallatin added a commit: rG52e7958702be: iflib: ignore reclaim coalescing when low on tx descriptors.

Restricted Repository Identity added a commit: rG1e57a31b1195: iflib: ignore reclaim coalescing when low on tx descriptors.Thu, Oct 29, 8:41 AM

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sys/net/iflib.c

iflib: ignore reclaim coalescing when low on tx descriptors
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