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Date: Fri, 17 Jun 2022 13:21:28 -0700 From: Martin KaFai Lau <kafai@...com> To: Jörn-Thorben Hinz <jthinz@...lbox.tu-berlin.de> Cc: bpf@...r.kernel.org, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, netdev@...r.kernel.org Subject: Re: [PATCH bpf-next v3 1/5] bpf: Allow a TCP CC to write sk_pacing_rate and sk_pacing_status On Tue, Jun 14, 2022 at 12:44:48PM +0200, Jörn-Thorben Hinz wrote: > A CC that implements tcp_congestion_ops.cong_control() should be able to > control sk_pacing_rate and set sk_pacing_status, since > tcp_update_pacing_rate() is never called in this case. A built-in CC or > one from a kernel module is already able to write to both struct sock > members. For a BPF program, write access has not been allowed, yet. > > Signed-off-by: Jörn-Thorben Hinz <jthinz@...lbox.tu-berlin.de> Reviewed-by: Martin KaFai Lau <kafai@...com>
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