On Tue, Feb 27, 2018 at 9:41 AM, Andrew Collins <acoll...@cradlepoint.com> wrote: >> I don't find such statement from the man page: >> http://man7.org/linux/man-pages/man8/tc-police.8.html > > >> What am I missing? > > Under MTU the man page states: > > mtu BYTES[/BYTES] > This is the maximum packet size handled by the policer (larger > ones will be handled like they exceeded the configured rate). Setting this > value correctly will improve the scheduler's precision. > Value formatting is identical to burst above. ->Defaults to > unlimited<-. > > Peakrate requiring MTU isn't mentioned directly in the man page, but if you > provide peakrate without MTU, tc complains: > > "mtu" is required, if "peakrate" is requested. > > The idea here is just to make the actual implementation match these two > statements, MTU is unlimited, unless you use peakrate in which case you have > to provide it (although if you craft netlink messages without tc you can set > peakrate with no mtu, and the action will still default to a reasonable mtu > rather than falling over). >
If this is just an iproute2 issue, please fix it there rather in kernel.
