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Date: Sat, 23 Mar 2019 22:58:16 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Lawrence Brakmo <brakmo@...com>, Eric Dumazet <eric.dumazet@...il.com>, netdev <netdev@...r.kernel.org> Cc: Martin Lau <kafai@...com>, Alexei Starovoitov <ast@...com>, Daniel Borkmann <daniel@...earbox.net>, Kernel Team <Kernel-team@...com> Subject: Re: [PATCH bpf-next 0/7] bpf: Propagate cn to TCP On 03/23/2019 06:14 PM, Lawrence Brakmo wrote: > There was no eBPF at that time. We like the flexibility we get by programing > the algorithms in eBPF. eBPF being there does not mean we can adopt whatever research work, we want evaluations of the costs and benefits. > > These are not intrusive changes, they simply extend the current limited return > values form cgroup skb egress BPF programs to be more in line with qdiscs. They are quite intrusive changes to IP layer, we can not deny this.
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