On Tue, 14 Jul 2020 18:51:15 +0000 Westergreen, Dalon wrote: > > I've seen vendors abuse fields of ethtool --coalesce to configure > > similar settings. tx-usecs-irq and rx-usecs-irq, I think. Since this > > part of ethtool API has been ported to netlink, could we perhaps add > > a new field to ethtool --coalesce? > > I don't think this is necessary, i think just having a module parameter > meets our needs. I don't see a need for the value to change on a per > interface basis. This was primarily used during testing / bringup.
It's hard to tell which knobs users will find worth turning therefore the testing / bringup justification unfortunately has little bearing on our upstream interface choices. We try hard to avoid module parameters in networking drivers, so if you want this tunable upstream a proper user interface will be required.