linux-kernel - Re: [RFC PATCH net-next 0/9] flower: rework TCA_FLOWER_KEY_ENC

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Message-ID: <2642a36f-1e53-4672-9826-8c07d10d69f2@fiberby.net>
Date: Wed, 12 Jun 2024 19:07:12 +0000
From: Asbjørn Sloth Tønnesen <ast@...erby.net>
To: Davide Caratti <dcaratti@...hat.com>
Cc: Ilya Maximets <i.maximets@....org>, Jamal Hadi Salim <jhs@...atatu.com>,
 Cong Wang <xiyou.wangcong@...il.com>, Jiri Pirko <jiri@...nulli.us>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 David Ahern <dsahern@...nel.org>, Simon Horman <horms@...nel.org>,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH net-next 0/9] flower: rework TCA_FLOWER_KEY_ENC_FLAGS
 usage

Hi Davide,

On 6/12/24 3:06 PM, Davide Caratti wrote:
> On Tue, Jun 11, 2024 at 11:53:33PM +0000, Asbjørn Sloth Tønnesen wrote:
>> This series reworks the recently added TCA_FLOWER_KEY_ENC_FLAGS
>> attribute, to be more like TCA_FLOWER_KEY_FLAGS, and use
>> the unused u32 flags field in TCA_FLOWER_KEY_ENC_CONTROL,
>> instead of adding another u32 in FLOW_DISSECTOR_KEY_ENC_FLAGS.

s/TCA_FLOWER_KEY_ENC_CONTROL/FLOW_DISSECTOR_KEY_ENC_CONTROL/

>> I have defined the new FLOW_DIS_F_* and TCA_FLOWER_KEY_FLAGS_*
>> flags to coexists for now, so the meaning of the flags field
>> in struct flow_dissector_key_control is not depending on the
>> context that it is used in. If we run out of bits then we can
>> always make split them up later, if we really want to.

s/always make split/always split/

>> Davide and Ilya would this work for you?
> 
> If you are ok with this, I can adjust the iproute code I keep locally,
> and the kselftest, re-test, and than report back to the series total
> reviewed-by.
> It's going a take some days though; and of course, those bit will be
> upstreamed as well.
> 
> WDYT?

That would be great, there is still quite some time left before net-next
closes, I just wanted to get the ball rolling, with some code, so it is
easier to discuss the implementation details.

-- 
Best regards
Asbjørn Sloth Tønnesen
Network Engineer
Fiberby - AS42541