netdev - Re: [PATCH 0/6] net/crypto: Introduce crypto

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Message-ID: <YuCEN7LKcVLL0zBn@gondor.apana.org.au>
Date:   Wed, 27 Jul 2022 08:17:59 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Dmitry Safonov <dima@...sta.com>
Cc:     linux-kernel@...r.kernel.org,
        Dmitry Safonov <0x7f454c46@...il.com>,
        Andy Lutomirski <luto@...capital.net>,
        Ard Biesheuvel <ardb@...nel.org>,
        David Ahern <dsahern@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Biggers <ebiggers@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Francesco Ruggeri <fruggeri@...sta.com>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Leonard Crestez <cdleonard@...il.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Salam Noureddine <noureddine@...sta.com>,
        netdev@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH 0/6] net/crypto: Introduce crypto_pool

On Tue, Jul 26, 2022 at 09:15:54PM +0100, Dmitry Safonov wrote:
> Add crypto_pool - an API for allocating per-CPU array of crypto requests
> on slow-path (in sleep'able context) and to use them on a fast-path,
> which is RX/TX for net/ users (or in any other bh-disabled users).
> The design is based on the current implementations of md5sig_pool.
> 
> Previously, I've suggested to add such API on TCP-AO patch submission [1], 
> where Herbert kindly suggested to help with introducing new crypto API.

What I was suggesting is modifying the actual ahash interface so
that the tfm can be shared between different key users by moving
the key into the request object.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt