netdev - Re: [PATCH bpf-next v8 3/3] selftests: bpf: crypto skcipher algo selftests

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Message-ID: <87frxmmci7.fsf@cloudflare.com>
Date: Wed, 21 Feb 2024 09:43:46 +0100
From: Jakub Sitnicki <jakub@...udflare.com>
To: Vadim Fedorenko <vadfed@...a.com>
Cc: Vadim Fedorenko <vadim.fedorenko@...ux.dev>, Jakub Kicinski
 <kuba@...nel.org>, Martin KaFai Lau <martin.lau@...ux.dev>, Andrii
 Nakryiko <andrii@...nel.org>, Alexei Starovoitov <ast@...nel.org>, Mykola
 Lysenko <mykolal@...com>, Herbert Xu <herbert@...dor.apana.org.au>,
 netdev@...r.kernel.org, linux-crypto@...r.kernel.org, bpf@...r.kernel.org,
 Victor Stewart <v@...etag.social>
Subject: Re: [PATCH bpf-next v8 3/3] selftests: bpf: crypto skcipher algo
 selftests

On Mon, Jan 15, 2024 at 02:08 PM -08, Vadim Fedorenko wrote:
> Add simple tc hook selftests to show the way to work with new crypto
> BPF API. Some tricky dynptr initialization is used to provide empty iv
> dynptr. Simple AES-ECB algo is used to demonstrate encryption and
> decryption of fixed size buffers.
>
> Signed-off-by: Vadim Fedorenko <vadfed@...a.com>
> ---

[...]

> diff --git a/tools/testing/selftests/bpf/prog_tests/crypto_sanity.c b/tools/testing/selftests/bpf/prog_tests/crypto_sanity.c
> new file mode 100644
> index 000000000000..70bde9640651
> --- /dev/null
> +++ b/tools/testing/selftests/bpf/prog_tests/crypto_sanity.c
> @@ -0,0 +1,217 @@

[...]

> +static void deinit_afalg(void)
> +{
> +	if (tfmfd)
> +		close(tfmfd);
> +	if (opfd)
> +		close(opfd);
> +}

Did you mean tfmfd/opfd != -1?

[...]