netdev - Re: [PATCH bpf-next v2 0/4] transition sockmap testing to test

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Message-ID: <87jznwdul7.fsf@cloudflare.com>
Date: Fri, 26 Jan 2024 15:39:52 +0100
From: Jakub Sitnicki <jakub@...udflare.com>
To: John Fastabend <john.fastabend@...il.com>
Cc: bpf@...r.kernel.org, netdev@...r.kernel.org, andrii@...nel.org
Subject: Re: [PATCH bpf-next v2 0/4] transition sockmap testing to test_progs

On Wed, Jan 24, 2024 at 10:53 AM -08, John Fastabend wrote:
> Its much easier to write and read tests than it was when sockmap was
> originally created. At that time we created a test_sockmap prog that
> did sockmap tests. But, its showing its age now. For example it reads
> user vars out of maps, is hard to run targetted tests, has a different
> format from the familiar test_progs and so on.
>
> I recently thought there was an issue with pop helpers so I created
> some tests to try and track it down. It turns out it was a bug in the
> BPF program we had not the kernel. But, I think it makes sense to
> start deprecating test_sockmap and converting these to the nicer
> test_progs.
>
> So this is a first round of test_prog tests for sockmap cork and
> pop helpers. I'll add push and pull tests shortly. I think its fine,
> maybe preferred to review smaller patchsets, to send these
> incrementally as I get them created.

Cool to see this transition starting.