RE: [RFC PATCH v4 bpf-next 02/12] tcp: bpf: Add TCP_BPF_DELACK_MAX setsockopt

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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>



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