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Message-ID: <Y+btY0hReqhnviDK@t14s.localdomain>
Date: Fri, 10 Feb 2023 17:20:35 -0800
From: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To: Xin Long <lucien.xin@...il.com>
Cc: network dev <netdev@...r.kernel.org>,
David Ahern <dsahern@...il.com>, stephen@...workplumber.org,
Jamal Hadi Salim <jhs@...atatu.com>,
Cong Wang <xiyou.wangcong@...il.com>,
Jiri Pirko <jiri@...nulli.us>,
Davide Caratti <dcaratti@...hat.com>
Subject: Re: [PATCH iproute2-next] tc: m_ct: add support for helper
On Fri, Feb 10, 2023 at 04:43:13PM -0500, Xin Long wrote:
> This patch is to add the setup and dump for helper in tc ct action
> in userspace, and the support in kernel was added in:
>
> https://lore.kernel.org/netdev/cover.1667766782.git.lucien.xin@gmail.com/
>
> here is an example for usage:
>
> # ip link add dummy0 type dummy
> # tc qdisc add dev dummy0 ingress
>
> # tc filter add dev dummy0 ingress proto ip flower ip_proto \
> tcp ct_state -trk action ct helper ipv4-tcp-ftp
It is not wrong as is, but the example could limit it to port 21.
>
> # tc filter show dev dummy0 ingress
> filter protocol ip pref 49152 flower chain 0 handle 0x1
> eth_type ipv4
> ip_proto tcp
> ct_state -trk
> not_in_hw
> action order 1: ct zone 0 helper ipv4-tcp-ftp pipe
> index 1 ref 1 bind
>
> Signed-off-by: Xin Long <lucien.xin@...il.com>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
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