netdev - Re: [PATCH net-next] net/tls: Add force

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Message-ID: <20200527153248.53965eee@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Wed, 27 May 2020 15:32:48 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Tariq Toukan <tariqt@...lanox.com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Boris Pismenny <borisp@...lanox.com>,
        Maxim Mikityanskiy <maximmi@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: Re: [PATCH net-next] net/tls: Add force_resync for driver resync

On Wed, 27 May 2020 12:25:26 +0300 Tariq Toukan wrote:
> This patch adds a field to the tls rx offload context which enables
> drivers to force a send_resync call.
> 
> This field can be used by drivers to request a resync at the next
> possible tls record. It is beneficial for hardware that provides the
> resync sequence number asynchronously. In such cases, the packet that
> triggered the resync does not contain the information required for a
> resync. Instead, the driver requests resync for all the following
> TLS record until the asynchronous notification with the resync request
> TCP sequence arrives.
>
> A following series for mlx5e ConnectX-6DX TLS RX offload support will
> use this mechanism.

Please document this, in tls-offload.rst.