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)
Fri, Oct 2, 10:59 AM
Unknown Object (File)
Fri, Oct 2, 8:45 AM
Unknown Object (File)
Wed, Sep 30, 6:49 AM
Unknown Object (File)
Thu, Sep 24, 7:41 AM
Unknown Object (File)
Thu, Sep 24, 6:27 AM
Unknown Object (File)
Thu, Sep 24, 5:58 AM
Unknown Object (File)
Sat, Sep 19, 10:03 PM
Unknown Object (File)
Sat, Sep 19, 4:38 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