netdev - RE: [PATCH v2 bpf-next 0/8] bpf: Allow bpf tcp iter to do bpf

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Message-ID: <dbf6bb3450ac440a9b201fb14a49394e@AcuMS.aculab.com>
Date:   Fri, 2 Jul 2021 10:50:43 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Martin KaFai Lau' <kafai@...com>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>
CC:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Eric Dumazet <edumazet@...gle.com>,
        "kernel-team@...com" <kernel-team@...com>,
        Neal Cardwell <ncardwell@...gle.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Yonghong Song <yhs@...com>, Yuchung Cheng <ycheng@...gle.com>
Subject: RE: [PATCH v2 bpf-next 0/8] bpf: Allow bpf tcp iter to do
 bpf_(get|set)sockopt

From: Martin KaFai Lau
> Sent: 01 July 2021 21:06
> 
> This set is to allow bpf tcp iter to call bpf_(get|set)sockopt.

How does that work at all?

IIRC only setsockopt() was converted so that it is callable
with a kernel buffer.
The corresponding change wasn't done to getsockopt().

	David

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