netdev - Re: [RFC PATCH net-next 1/9] net/sched: flower: define new tunnel flags

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Message-ID: <Zmm4MMX_WFFEfLFd@dcaratti.users.ipa.redhat.com>
Date: Wed, 12 Jun 2024 17:01:04 +0200
From: Davide Caratti <dcaratti@...hat.com>
To: Asbjørn Sloth Tønnesen <ast@...erby.net>
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 1/9] net/sched: flower: define new tunnel
 flags

On Tue, Jun 11, 2024 at 11:53:34PM +0000, Asbjørn Sloth Tønnesen wrote:
> Define new TCA_FLOWER_KEY_FLAGS_* flags for use in struct
> flow_dissector_key_control, covering the same flags
> as currently exposed through TCA_FLOWER_KEY_ENC_FLAGS,
> but assign them new bit positions in so that they don't
> conflict with existing TCA_FLOWER_KEY_FLAGS_* flags.
> 
> Synchronize FLOW_DIS_* flags, but put the new flags
> under FLOW_DIS_F_*. The idea is that we can later, move
> the existing flags under FLOW_DIS_F_* as well.
> 
> Signed-off-by: Asbjørn Sloth Tønnesen <ast@...erby.net>
> ---
>  include/net/flow_dissector.h | 17 +++++++++++++----
>  include/uapi/linux/pkt_cls.h |  5 +++++
>  2 files changed, 18 insertions(+), 4 deletions(-)
> 
> diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
> index 99626475c3f4a..1f0fddb29a0d8 100644
> --- a/include/net/flow_dissector.h
> +++ b/include/net/flow_dissector.h
> @@ -16,7 +16,8 @@ struct sk_buff;
>   * struct flow_dissector_key_control:
>   * @thoff:     Transport header offset
>   * @addr_type: Type of key. One of FLOW_DISSECTOR_KEY_*
> - * @flags:     Key flags. Any of FLOW_DIS_(IS_FRAGMENT|FIRST_FRAGENCAPSULATION)
> + * @flags:     Key flags.
> + *             Any of FLOW_DIS_(IS_FRAGMENT|FIRST_FRAGENCAPSULATION|F_*)

^^ nit: there was a typo in the original line above. Maybe this is a
good chance to put the missing '|' before 'ENCAPSULATION'