Page MenuHomeFreeBSD

rge: add disable_aspm tunable for PCIe power management
ClosedPublic

Authored by chris.longros_gmail.com on Mar 26 2026, 10:12 PM.
Tags
None
Referenced Files
Unknown Object (File)
Thu, Jun 18, 5:57 AM
Unknown Object (File)
Thu, Jun 4, 4:08 PM
Unknown Object (File)
Thu, Jun 4, 4:08 PM
Unknown Object (File)
Sat, May 30, 11:33 PM
Unknown Object (File)
Wed, May 27, 11:50 AM
Unknown Object (File)
Tue, May 26, 8:15 PM
Unknown Object (File)
May 18 2026, 1:06 PM
Unknown Object (File)
May 18 2026, 1:02 PM
Subscribers

Details

Summary

Add a per-interface loader tunable dev.rge.%d.disable_aspm to
disable PCIe ASPM (L0s/L1) and ECPM on the RTL8125/8126/8127.

Disabling ASPM reduces latency at the cost of higher power
consumption. Default is off (ASPM left as configured by BIOS).

Signed-off-by: Christos Longros <chris.longros@gmail.com>

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable