netdev - Re: [PATCH xfrm-next v9 0/8] Extend XFRM core to allow packet offload configuration

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Date:   Fri, 2 Dec 2022 10:42:43 +0100
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     Leon Romanovsky <leon@...nel.org>
CC:     Leon Romanovsky <leonro@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Jakub Kicinski <kuba@...nel.org>, <netdev@...r.kernel.org>,
        Bharat Bhushan <bbhushan2@...vell.com>
Subject: Re: [PATCH xfrm-next v9 0/8] Extend XFRM core to allow packet
 offload configuration

On Sun, Nov 27, 2022 at 01:18:10PM +0200, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...dia.com>
> 
> Changelog:
> v9:
>  * Added acquire support
> v8: https://lore.kernel.org/all/cover.1668753030.git.leonro@nvidia.com
>  * Removed not-related blank line
>  * Fixed typos in documentation
> v7: https://lore.kernel.org/all/cover.1667997522.git.leonro@nvidia.com
> As was discussed in IPsec workshop:
>  * Renamed "full offload" to be "packet offload".
>  * Added check that offloaded SA and policy have same device while sending packet
>  * Added to SAD same optimization as was done for SPD to speed-up lookups.
> v6: https://lore.kernel.org/all/cover.1666692948.git.leonro@nvidia.com
>  * Fixed misplaced "!" in sixth patch.
> v5: https://lore.kernel.org/all/cover.1666525321.git.leonro@nvidia.com
>  * Rebased to latest ipsec-next.
>  * Replaced HW priority patch with solution which mimics separated SPDs
>    for SW and HW. See more description in this cover letter.
>  * Dropped RFC tag, usecase, API and implementation are clear.
> v4: https://lore.kernel.org/all/cover.1662295929.git.leonro@nvidia.com
>  * Changed title from "PATCH" to "PATCH RFC" per-request.
>  * Added two new patches: one to update hard/soft limits and another
>    initial take on documentation.
>  * Added more info about lifetime/rekeying flow to cover letter, see
>    relevant section.
>  * perf traces for crypto mode will come later.
> v3: https://lore.kernel.org/all/cover.1661260787.git.leonro@nvidia.com
>  * I didn't hear any suggestion what term to use instead of
>    "packet offload", so left it as is. It is used in commit messages
>    and documentation only and easy to rename.
>  * Added performance data and background info to cover letter
>  * Reused xfrm_output_resume() function to support multiple XFRM transformations
>  * Add PMTU check in addition to driver .xdo_dev_offload_ok validation
>  * Documentation is in progress, but not part of this series yet.
> v2: https://lore.kernel.org/all/cover.1660639789.git.leonro@nvidia.com
>  * Rebased to latest 6.0-rc1
>  * Add an extra check in TX datapath patch to validate packets before
>    forwarding to HW.
>  * Added policy cleanup logic in case of netdev down event
> v1: https://lore.kernel.org/all/cover.1652851393.git.leonro@nvidia.com
>  * Moved comment to be before if (...) in third patch.
> v0: https://lore.kernel.org/all/cover.1652176932.git.leonro@nvidia.com
> -----------------------------------------------------------------------

Please move the Changelog to the end of the commit message.

Except of the minor nit I had in patch 4/8, the patchset looks
ready for merging. I'd prefer to merge it after the upcomming
merge window. But Linus might do a rc8, so I leave it up to you
in that case.

Thanks a lot Leon for your effort to make this patchset ready!