linux-kernel - Re: [v3 PATCH bpf-next 2/4] bpftool: add net attach/detach command to tcx prog

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Message-ID: <7b02e164-c6de-41b5-b036-0d4b705a992c@kernel.org>
Date: Mon, 22 Jul 2024 15:16:59 +0100
From: Quentin Monnet <qmo@...nel.org>
To: Tao Chen <chen.dylane@...il.com>, Alexei Starovoitov <ast@...nel.org>,
 Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>,
 Martin KaFai Lau <martin.lau@...ux.dev>
Cc: Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>,
 Yonghong Song <yonghong.song@...ux.dev>,
 John Fastabend <john.fastabend@...il.com>, bpf@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [v3 PATCH bpf-next 2/4] bpftool: add net attach/detach command to
 tcx prog

2024-07-21 22:42 UTC+0800 ~ Tao Chen <chen.dylane@...il.com>
> Now, attach/detach tcx prog supported in libbpf, so we can add new
> command 'bpftool attach/detach tcx' to attach tcx prog with bpftool
> for user.
> 
>  # bpftool prog load tc_prog.bpf.o /sys/fs/bpf/tc_prog
>  # bpftool prog show
> 	...
> 	192: sched_cls  name tc_prog  tag 187aeb611ad00cfc  gpl
> 	loaded_at 2024-07-11T15:58:16+0800  uid 0
> 	xlated 152B  jited 97B  memlock 4096B  map_ids 100,99,97
> 	btf_id 260
>  # bpftool net attach tcx_ingress name tc_prog dev lo
>  # bpftool net
> 	...
> 	tc:
> 	lo(1) tcx/ingress tc_prog prog_id 29
> 
>  # bpftool net detach tcx_ingress dev lo
>  # bpftool net
> 	...
> 	tc:
>  # bpftool net attach tcx_ingress name tc_prog dev lo
>  # bpftool net
> 	tc:
> 	lo(1) tcx/ingress tc_prog prog_id 29
> 
> Test environment: ubuntu_22_04, 6.7.0-060700-generic
> 
> Signed-off-by: Tao Chen <chen.dylane@...il.com>

The series looks good from my side, thanks for this work!

Acked-by: Quentin Monnet <qmo@...nel.org>