Re: [RFC PATCH bpf-next] bpf: add bpf_get_skb_hash helper function

On 8/11/20 3:55 PM, Ramamurthy, Harshitha wrote:

is a pre-cursor to potentially calling the in-kernel flow dissector from
a helper function.

That is going to be a challenge to do in a way that does not impact the
kernel's ability to change as needed, and I suspect it will be much
slower than doing in ebpf. Modular ebpf code that can be adapted to use
cases is going to be more appropriate for XDP for example.