netdev - Re: [PATCH xfrm-next v2 0/6] Extend XFRM core to allow full offload configuration

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Date:   Fri, 19 Aug 2022 10:53:56 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     Leon Romanovsky <leon@...nel.org>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        "David S . Miller" <davem@...emloft.net>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        netdev@...r.kernel.org, Raed Salem <raeds@...dia.com>,
        ipsec-devel <devel@...ux-ipsec.org>
Subject: Re: [PATCH xfrm-next v2 0/6] Extend XFRM core to allow full offload
 configuration

On Fri, 19 Aug 2022 13:01:22 -0300 Jason Gunthorpe wrote:
> Regardless, RDMA doesn't really intersect with this netdev work for
> XFRM beyond the usual ways that RDMA IP traffic can be captured by or
> run parallel to netdev.
> 
> A significant use case here is for switchdev modes where the switch
> will subject traffic from a switch port to ESP, not unlike it already
> does with vlan, vxlan, etc and other already fully offloaded switching
> transforms.

Yup, that's what I thought you'd say. Can't argue with that use case 
if Steffen is satisfied with the technical aspects.