netdev - [PATCH RFC 0/5] Support asynchronous crypto for IPsec GSO.

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Message-ID: <20171120073752.29094-1-steffen.klassert@secunet.com>
Date:   Mon, 20 Nov 2017 08:37:47 +0100
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     <netdev@...r.kernel.org>
CC:     Steffen Klassert <steffen.klassert@...unet.com>
Subject: [PATCH RFC 0/5] Support asynchronous crypto for IPsec GSO.

This patchset implements asynchronous crypto handling
in the layer 2 TX path. With this we can allow IPsec
ESP GSO for software crypto. This also merges the IPsec
GSO and non-GSO paths to both use validate_xmit_xfrm().

1) Separate ESP handling from segmentation for GRO packets.
   This unifies the IPsec GSO and non GSO codepath.

2) Add asynchronous callbacks for xfrm on layer 2. This
   adds the necessary infrastructure to core networking.

3) Allow to use the layer2 IPsec GSO codepath for software
   crypto, all infrastructure is there now.

4) Also allow IPsec GSO with software crypto for local sockets.

5) Don't require synchronous crypto fallback on IPsec offloading,
   it is not needed anymore.