[LARTC] Parameters for the ingress qdisc?

[Patrick Turley <pturley@rocksteady.com>]

I can't find any documentation on the paramaters for the ingress qdisc.
Can someone help me?

I have a number of filters feeding into my ingress qdisc, all of which
are rate limited, but I want to place a limit on the aggregate flow as
well. I don't want to monitor the sum of the flow rates - I want to
place a hard ceiling on the total possible flow that overrides
everything else.

Any further details about the internal workings of the ingress qdisc
would also be very helpful. I've seen some stuff that suggests its
really a TBF in disguise, but I'm not sure. In particular, I'd like to
understand if the flows into the ingress qdisc can borrow from the root
and/or each other. Also, since the ingress qdisc is classless, how does
it work that each of the incoming flows are separately metered? (As I
understand it, filters only serve to guide packets into classes)

I know that the IMQ device offers a more sophisticated way to do this
but, for now, that device is not available to me.

I need answers to these specific questions, but I very much appreciate
any other information anyone would like to volunteer.


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