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From: Tero Kristo <t-kristo@ti.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: <davem@davemloft.net>, <linux-crypto@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <j-keerthy@ti.com>
Subject: Re: [PATCHv4 3/7] crypto: sa2ul: add sha1/sha256/sha512 support
Date: Tue, 30 Jun 2020 10:58:28 +0300	[thread overview]
Message-ID: <0a07585c-af4a-f08b-af5a-232cb4c351d4@ti.com> (raw)
In-Reply-To: <20200630075435.GA3885@gondor.apana.org.au>

On 30/06/2020 10:54, Herbert Xu wrote:
> On Tue, Jun 30, 2020 at 10:52:57AM +0300, Tero Kristo wrote:
>>
>> How about making the buffer size configurable during probe time via module
>> param, and/or runtime via sysfs parameter? This would allow system designers
>> to tune it based on expected usecases.
> 
> Why do you even need to support this? What's the use-case?

Openssl uses init->update->final sequencing, and it would be nice to 
have this use crypto accelerator. Otherwise we basically support cipher 
acceleration from openssl, but not hashing.

> FWIW IPsec only uses digest.

IPSec only uses digest yes, this is not an issue.

-Tero
--
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

  reply	other threads:[~2020-06-30  7:58 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-15  7:14 [PATCHv4 0/7] crypto: sa2ul support for TI K3 SoCs Tero Kristo
2020-06-15  7:14 ` [PATCHv4 1/7] dt-bindings: crypto: Add TI SA2UL crypto accelerator documentation Tero Kristo
2020-06-15  7:14 ` [PATCHv4 2/7] crypto: sa2ul: Add crypto driver Tero Kristo
2020-06-15  7:14 ` [PATCHv4 3/7] crypto: sa2ul: add sha1/sha256/sha512 support Tero Kristo
2020-06-26  4:31   ` Herbert Xu
2020-06-26  9:15     ` Tero Kristo
2020-06-30  4:49       ` Herbert Xu
2020-06-30  7:20         ` Tero Kristo
2020-06-30  7:46           ` Herbert Xu
2020-06-30  7:52             ` Tero Kristo
2020-06-30  7:54               ` Herbert Xu
2020-06-30  7:58                 ` Tero Kristo [this message]
2020-06-30  7:59                   ` Herbert Xu
2020-06-30  8:17                     ` Tero Kristo
2020-06-15  7:14 ` [PATCHv4 4/7] crypto: sa2ul: Add AEAD algorithm support Tero Kristo
2020-06-15  7:14 ` [PATCHv4 5/7] crypto: sa2ul: add device links to child devices Tero Kristo
2020-06-15  7:14 ` [PATCHv4 6/7] arm64: dts: ti: k3-am6: Add crypto accelarator node Tero Kristo
2020-06-15  7:14 ` [PATCHv4 7/7] arm64: dts: ti: k3-j721e-main: Add crypto accelerator node Tero Kristo
2020-06-15 18:20 ` [PATCHv4 0/7] crypto: sa2ul support for TI K3 SoCs Eric Biggers
2020-06-16  4:24   ` Tero Kristo

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