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Message-ID: <20190820122214.702476ff@cakuba.netronome.com>
Date: Tue, 20 Aug 2019 12:22:14 -0700
From: Jakub Kicinski <jakub.kicinski@...ronome.com>
To: Pablo Neira Ayuso <pablo@...filter.org>
Cc: netfilter-devel@...r.kernel.org, davem@...emloft.net,
netdev@...r.kernel.org, jiri@...nulli.us, vladbu@...lanox.com
Subject: Re: [PATCH net-next 0/2] netfilter: payload mangling offload
support
On Tue, 20 Aug 2019 12:48:05 +0200, Pablo Neira Ayuso wrote:
> Hi,
>
> This patchset adds payload mangling offload support for Netfilter:
>
> 1) Adapt existing drivers to allow for mangling up to four 32-bit words
> with one single flow_rule action. Hence, once single action can be
> used to mangle an IPv6 address.
>
> 2) Add support for netfilter packet mangling.
Why pick 128b as a unit, because that's nftables' word size? :/
Reality is unless core coalesces _all_ consecutive rewrites drivers
will have to do their own coalescing, anyway.
We suffered through enough haphazard "updates", I don't like this either.
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