netdev - Re: [PATCH net-next] tcp: Make SYN ACK RTO tunable by BPF programs with TFO

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Message-ID: <20220810223051.5pg2jayrak7nk46a@kafai-mbp.dhcp.thefacebook.com>
Date:   Wed, 10 Aug 2022 15:30:51 -0700
From:   Martin KaFai Lau <kafai@...com>
To:     Jie Meng <jmeng@...com>
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH net-next] tcp: Make SYN ACK RTO tunable by BPF programs
 with TFO

On Fri, Aug 05, 2022 at 05:06:35PM -0700, Jie Meng wrote:
> Instead of the hardcoded TCP_TIMEOUT_INIT, this diff calls tcp_timeout_init
> to initiate req->timeout like the non TFO SYN ACK case.
> 
> Tested using the following packetdrill script, on a host with a BPF
> program that sets the initial connect timeout to 10ms.
Please also cc the bpf mailing list.