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Date: Mon, 23 Oct 2023 16:26:37 +0200
From: Toke Høiland-Jørgensen <toke@...nel.org>
To: Daniel Borkmann <daniel@...earbox.net>, bpf@...r.kernel.org
Cc: netdev@...r.kernel.org, martin.lau@...ux.dev, razor@...ckwall.org,
 ast@...nel.org, andrii@...nel.org, john.fastabend@...il.com,
 sdf@...gle.com, Daniel Borkmann <daniel@...earbox.net>, Quentin Monnet
 <quentin@...valent.com>
Subject: Re: [PATCH bpf-next v2 4/7] bpftool: Implement link show support
 for netkit

Daniel Borkmann <daniel@...earbox.net> writes:

> Add support to dump netkit link information to bpftool in similar way as
> we have for XDP. The netkit link info only exposes the ifindex.
>
> Below shows an example link dump output, and a cgroup link is included for
> comparison, too:
>
>   # bpftool link
>   [...]
>   10: cgroup  prog 2466
>         cgroup_id 1  attach_type cgroup_inet6_post_bind
>   [...]
>   8: netkit  prog 35
>         ifindex nk1(18)
>   [...]

Couldn't we make this show whether the program is attached as
primary/peer as well? Seems like that would be useful (like in the
cgroup output above)?

-Toke

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