[Cake] overheads or rate calculation changed?

[Jonathan Morton]

> On 7 Jan, 2018, at 10:19 am, Sebastian Moeller <moeller0 at gmx.de> wrote:
> 
> We really need this "behave like all other qdiscs" mode so that cake can be used with "tc stab" exactly as awkward as all other qdiscs, it would be really unfortunate if cake would require different "tc stab" magic than say HTB+fq_codel.

Okay, that's a valid use-case for not molesting the packet size at all.  I'll have to think about how best to interface that to userspace.

>> If you then specify "overhead 34", you'll get exactly that, relative to the transport-layer packet (that is, IP).
> 
> That is the best thing to do agreed, but from your description above I am not sure about the exact conditions you propose to do that.

It'll be what you get in all cases, *unless* you specifically invoke the stab-compatible behaviour.

 - Jonathan Morton