From: Ido Schimmel <ido...@idosch.org> Date: Sun, 27 Sep 2020 10:50:05 +0300
> From: Ido Schimmel <ido...@nvidia.com> > > Amit says: > > An overheated transceiver can be the root cause of various network > problems such as link flapping. Counting the number of times a > transceiver's temperature was higher than its configured threshold can > therefore help in debugging such issues. > > This patch set exposes a transceiver overheat counter via ethtool. This > is achieved by configuring the Spectrum ASIC to generate events whenever > a transceiver is overheated. The temperature thresholds are queried from > the transceiver (if available) and set to the default otherwise. > > Example: > > # ethtool -S swp1 > ... > transceiver_overheat: 2 > > Patch set overview: > > Patches #1-#3 add required device registers > Patches #4-#5 add required infrastructure in mlxsw to configure and > count overheat events > Patches #6-#9 gradually add support for the transceiver overheat counter > Patch #10 exposes the transceiver overheat counter via ethtool Series applied, thanks.
