[LibreQoS] Fwd: [RFC bpf-next v2 06/14] xdp: Carry over xdp metadata into skb context

Toke Høiland-Jørgensen toke at redhat.com
Fri Nov 11 09:22:40 EST 2022

Herbert Wolverson via LibreQoS <libreqos at lists.bufferbloat.net> writes:

> That looks like it could be very, very useful. There's more email thread
> there than I have time to read,
> I wonder if there's a way to chain the xdp metadata to secondary XDP
> programs (which would
> obviate a lot of the "doing everything repeatedly" problem when dissecting
> packets on the XDP
> side as well as when passing to the TC side of things).

Yeah, that is very much in scope; the metadata survives through multiple
XDP programs even today (with libxdp) :)


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