netdev - Re: [PATCH RFC bpf-next 1/3] bpf: add mapper macro for bpf

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Date: Tue, 12 Dec 2023 17:37:47 -0800
From: Martin KaFai Lau <martin.lau@...ux.dev>
To: Alexei Starovoitov <alexei.starovoitov@...il.com>,
 Andrii Nakryiko <andrii.nakryiko@...il.com>,
 Daniel Borkmann <daniel@...earbox.net>
Cc: Andrii Nakryiko <andrii@...nel.org>, bpf <bpf@...r.kernel.org>,
 Network Development <netdev@...r.kernel.org>,
 Paul Moore <paul@...l-moore.com>, Christian Brauner <brauner@...nel.org>,
 Linux-Fsdevel <linux-fsdevel@...r.kernel.org>,
 LSM List <linux-security-module@...r.kernel.org>,
 Kees Cook <keescook@...omium.org>, Kernel Team <kernel-team@...a.com>,
 Sargun Dhillon <sargun@...gun.me>, Martin KaFai Lau <martin.lau@...nel.org>
Subject: Re: [PATCH RFC bpf-next 1/3] bpf: add mapper macro for bpf_cmd enum

On 12/11/23 8:06 PM, Alexei Starovoitov wrote:
> On Mon, Dec 11, 2023 at 8:01 PM Andrii Nakryiko
> <andrii.nakryiko@...il.com> wrote:
>>
>>
>>> While I can preemptively answer that in the case vmlinux BTF
>>> is not available it's fine not to parse names and rely on hex.
>>
>> It's fine, I can do optional BTF-based parsing, if that's what you prefer.
> 
> I prefer to keep uapi/bpf.h as-is and use BTF.
> But I'd like to hear what Daniel's and Martin's preferences are.

I think user will find it useful to have a more readable uapi header file. It 
would be nice to keep the current uapi/bpf.h form if there is another solution.