netdev - Re: [PATCHv2] tls: Add support for encryption using async offload accelerator

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Message-Id: <20180131.103329.1363126229531535840.davem@davemloft.net>
Date:   Wed, 31 Jan 2018 10:33:29 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     vakul.garg@....com
Cc:     linux-crypto@...r.kernel.org, ilyal@...lanox.com,
        aviadye@...lanox.com, davejwatson@...com, netdev@...r.kernel.org
Subject: Re: [PATCHv2] tls: Add support for encryption using async offload
 accelerator

From: Vakul Garg <vakul.garg@....com>
Date: Wed, 31 Jan 2018 21:34:37 +0530

> Async crypto accelerators (e.g. drivers/crypto/caam) support offloading
> GCM operation. If they are enabled, crypto_aead_encrypt() return error
> code -EINPROGRESS. In this case tls_do_encryption() needs to wait on a
> completion till the time the response for crypto offload request is
> received.
> 
> Signed-off-by: Vakul Garg <vakul.garg@....com>
> ---
> v1-v2:
>  - Used crypto_wait_req() to wait for async operation completion
>  - Passed CRYPTO_TFM_REQ_MAY_BACKLOG to crypto_aead_encrypt

Applied.