netdev - Re: [PATCH bpf-next] libbpf: add a bunch of attribute getters/setters for map definitions

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Date:   Mon, 22 Jun 2020 14:25:32 +0200
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     Andrii Nakryiko <andriin@...com>, bpf@...r.kernel.org,
        netdev@...r.kernel.org, ast@...com, daniel@...earbox.net
Cc:     andrii.nakryiko@...il.com, kernel-team@...com,
        Andrii Nakryiko <andriin@...com>
Subject: Re: [PATCH bpf-next] libbpf: add a bunch of attribute getters/setters for map definitions

Andrii Nakryiko <andriin@...com> writes:

> Add a bunch of getter for various aspects of BPF map. Some of these attribute
> (e.g., key_size, value_size, type, etc) are available right now in struct
> bpf_map_def, but this patch adds getter allowing to fetch them individually.
> bpf_map_def approach isn't very scalable, when ABI stability requirements are
> taken into account. It's much easier to extend libbpf and add support for new
> features, when each aspect of BPF map has separate getter/setter.

+1, good idea!

Acked-by: Toke Høiland-Jørgensen <toke@...hat.com>