Martin KaFai Lau wrote: > This change is mostly from an internal patch and adapts it from sysctl > config to the bpf_setsockopt setup. > > The bpf_prog can set the max delay ack by using > bpf_setsockopt(TCP_BPF_DELACK_MAX). This max delay ack can be communicated > to its peer through bpf header option. The receiving peer can then use > this max delay ack and set a potentially lower rto by using > bpf_setsockopt(TCP_BPF_RTO_MIN) which will be introduced > in the next patch. > > Another later selftest patch will also use it like the above to show > how to write and parse bpf tcp header option. > > Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx> > Signed-off-by: Martin KaFai Lau <kafai@xxxxxx> > --- Acked-by: John Fastabend <john.fastabend@xxxxxxxxx>