netdev - Re: [PATCH bpf-next v5 2/2] selftests: bpf: crypto skcipher algo selftests

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Message-ID: <CAADnVQ+tLbMppLNT7HOV5=k+8075qjjyO5wWEDvLRoPi5WALJw@mail.gmail.com>
Date: Sun, 19 Nov 2023 13:58:01 -0800
From: Alexei Starovoitov <alexei.starovoitov@...il.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>, Network Development <netdev@...r.kernel.org>, 
	Linux Crypto Mailing List <linux-crypto@...r.kernel.org>, bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH bpf-next v5 2/2] selftests: bpf: crypto skcipher algo selftests

On Sat, Nov 18, 2023 at 2:55 PM Vadim Fedorenko <vadfed@...a.com> wrote:
>
> +
> +SEC("fentry.s/bpf_fentry_test1")
> +int BPF_PROG(skb_crypto_setup)
> +{
> +       struct bpf_crypto_lskcipher_ctx *cctx;
> +       struct bpf_dynptr key = {};
> +       int err = 0;
> +
> +       status = 0;
> +
> +       bpf_dynptr_from_mem(crypto_key, sizeof(crypto_key), 0, &key);
> +       cctx = bpf_crypto_lskcipher_ctx_create(crypto_algo, &key, &err);

Direct string will work here, right?
What's the reason to use global var?