Sorry I had to run - daycare schedule is tight if I want to park anywhere remotely nearby.

I glanced through, and raising the hashmap/trie sizes is pretty straightforward. The bigger problem looks to be the class numbering scheme (major:minor). I wonder if it's possible to change the representation to use 8 bits for Major/CPU and 24 for the minor? That would give us 16 million identifiers.

I'll try to research tomorrow.

On Thu, Oct 13, 2022, 5:48 PM Robert Chacón via LibreQoS <libreqos@lists.bufferbloat.net> wrote:
If we can get the IP filtering limit upped from 32k and introduce virtual interfaces to split up HTBs as Toke suggested, we could see some crazy throughput thanks to XDP. Very exciting!

On Thu, Oct 13, 2022 at 4:41 PM Dave Taht via LibreQoS <libreqos@lists.bufferbloat.net> wrote:
I still get the giggles when I see the CPU usage on fig 4.

https://github.com/xdp-project/xdp-paper/blob/master/xdp-the-express-data-path.pdf

DPDK is a great way to heat data centers.

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