From: Lukasz Majewski <lukma@denx.de>
To: Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org, Andrew Lunn <andrew@lunn.ch>,
Eric Dumazet <edumazet@google.com>,
Vladimir Oltean <olteanv@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Oleksij Rempel <o.rempel@pengutronix.de>,
Tristram.Ha@microchip.com,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Ravi Gunasekaran <r-gunasekaran@ti.com>,
Simon Horman <horms@kernel.org>,
Nikita Zhandarovich <n.zhandarovich@fintech.ru>,
Murali Karicheri <m-karicheri2@ti.com>,
Jiri Pirko <jiri@resnulli.us>,
Dan Carpenter <dan.carpenter@linaro.org>,
Ziyang Xuan <william.xuanziyang@huawei.com>,
Shigeru Yoshida <syoshida@redhat.com>,
"Ricardo B. Marliere" <ricardo@marliere.net>,
linux-kernel@vger.kernel.org
Subject: Re: [net-next PATCH v5 1/4] net: hsr: Provide RedBox support (HSR-SAN)
Date: Thu, 18 Apr 2024 12:53:36 +0200 [thread overview]
Message-ID: <20240418125336.7305d545@wsk> (raw)
In-Reply-To: <497b3f9b6d91a076c67f959ba878583a91b03cf5.camel@redhat.com>
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Hi Paolo,
> On Mon, 2024-04-15 at 14:49 +0200, Lukasz Majewski wrote:
> > Introduce RedBox support (HSR-SAN to be more precise) for HSR
> > networks. Following traffic reduction optimizations have been
> > implemented:
> > - Do not send HSR supervisory frames to Port C (interlink)
> > - Do not forward to HSR ring frames addressed to Port C
> > - Do not forward to Port C frames from HSR ring
> > - Do not send duplicate HSR frame to HSR ring when destination is
> > Port C
> >
> > The corresponding patch to modify iptable2 sources has already been
> > sent:
> > https://lore.kernel.org/netdev/20240308145729.490863-1-lukma@denx.de/T/
> >
> > Testing procedure:
> > ------------------
> > The EVB-KSZ9477 has been used for testing on net-next branch
> > (SHA1: 5fc68320c1fb3c7d456ddcae0b4757326a043e6f).
> >
> > Ports 4/5 were used for SW managed HSR (hsr1) as first hsr0 for
> > ports 1/2 (with HW offloading for ksz9477) was created. Port 3 has
> > been used as interlink port (single USB-ETH dongle).
> >
> > Configuration - RedBox (EVB-KSZ9477):
> > if link set lan1 down;ip link set lan2 down
> > ip link add name hsr0 type hsr slave1 lan1 slave2 lan2 supervision
> > 45 version 1 ip link add name hsr1 type hsr slave1 lan4 slave2 lan5
> > interlink lan3 supervision 45 version 1 ip link set lan4 up;ip link
> > set lan5 up ip link set lan3 up
> > ip addr add 192.168.0.11/24 dev hsr1
> > ip link set hsr1 up
> >
> > Configuration - DAN-H (EVB-KSZ9477):
> >
> > ip link set lan1 down;ip link set lan2 down
> > ip link add name hsr0 type hsr slave1 lan1 slave2 lan2 supervision
> > 45 version 1 ip link add name hsr1 type hsr slave1 lan4 slave2 lan5
> > supervision 45 version 1 ip link set lan4 up;ip link set lan5 up
> > ip addr add 192.168.0.12/24 dev hsr1
> > ip link set hsr1 up
> >
> > This approach uses only SW based HSR devices (hsr1).
> >
> > -------------- ----------------- ------------
> > DAN-H Port5 | <------> | Port5 | |
> > Port4 | <------> | Port4 Port3 | <---> | PC
> > | | (RedBox) | | (USB-ETH)
> > EVB-KSZ9477 | | EVB-KSZ9477 | |
> > -------------- ----------------- ------------
>
> The above description is obsoleted by follow-up tests, right?
>
No, it is still valid if one would like to use/test this code on two
KSZ9477-EVB boards.
However, I can add also information referring to hsr_redbox.sh tests as
well.
> Thanks,
>
> Paolo
>
Best regards,
Lukasz Majewski
--
DENX Software Engineering GmbH, Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de
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next prev parent reply other threads:[~2024-04-18 10:53 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-15 12:49 [net-next PATCH v5 0/4] net: hsr: Add support for HSR-SAN (RedBOX) Lukasz Majewski
2024-04-15 12:49 ` [net-next PATCH v5 1/4] net: hsr: Provide RedBox support (HSR-SAN) Lukasz Majewski
2024-04-16 10:21 ` Casper Andersson
2024-04-16 13:03 ` Lukasz Majewski
2024-04-18 13:35 ` Casper Andersson
2024-04-18 15:37 ` Lukasz Majewski
2024-04-19 9:01 ` Casper Andersson
2024-04-19 10:42 ` Lukasz Majewski
2024-04-19 13:49 ` Casper Andersson
2024-04-19 14:05 ` Lukasz Majewski
2024-04-29 9:32 ` Lukasz Majewski
2024-04-18 8:47 ` Paolo Abeni
2024-04-18 10:53 ` Lukasz Majewski [this message]
2024-04-19 10:31 ` Casper Andersson
2024-04-15 12:49 ` [net-next PATCH v5 2/4] test: hsr: Move common code to hsr_common.sh file Lukasz Majewski
2024-04-18 8:41 ` Paolo Abeni
2024-04-18 8:45 ` Paolo Abeni
2024-04-15 12:49 ` [net-next PATCH v5 3/4] test: hsr: Extract version agnostic information from ping command output Lukasz Majewski
2024-04-15 12:49 ` [net-next PATCH v5 4/4] test: hsr: Add test for HSR RedBOX (HSR-SAN) mode of operation Lukasz Majewski
2024-04-18 8:43 ` Paolo Abeni
2024-04-15 13:07 ` [net-next PATCH v5 0/4] net: hsr: Add support for HSR-SAN (RedBOX) Lukasz Majewski
2024-04-18 8:49 ` Paolo Abeni
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