[Cake] Long-RTT broken again

Toke Høiland-Jørgensen toke at toke.dk
Tue Nov 3 12:33:38 EST 2015

Jonathan Morton <chromatix99 at gmail.com> writes:

>> Which is the same data that Cake uses. Hmm, weird…
> No, Cake uses skb->truesize for this particular purpose.  It uses
> qdisc_pkt_len(skb) only for timing purposes.

Ah, right. Well, I would consider that a bug. If we're doing a "max
queue size" it should (conceptually) be in packet data units. A hard
memory limit may make sense *in addition*, but then that should be a
separate safeguard IMO.


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