linux-kernel - [PATCH 0/4] net: dsa: hsr: Enable HSR HW offloading for KSZ9477

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Date:   Tue, 29 Aug 2023 14:11:28 +0200
From:   Lukasz Majewski <lukma@...x.de>
To:     Tristram.Ha@...rochip.com, Eric Dumazet <edumazet@...gle.com>,
        davem@...emloft.net, Woojung Huh <woojung.huh@...rochip.com>,
        Vladimir Oltean <olteanv@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, UNGLinuxDriver@...rochip.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lukasz Majewski <lukma@...x.de>
Subject: [PATCH 0/4] net: dsa: hsr: Enable HSR HW offloading for KSZ9477

This patch series provides support for HSR HW offloading in KSZ9477
switch IC.

To test this feature:
ip link add name hsr0 type hsr slave1 lan1 slave2 lan2 supervision 45 version 1
ifconfig lan1 up;ifconfig lan2 up
ifconfig hsr0 192.168.0.1 up

To remove HSR network device:
ip link del hsr0

Test HW:
Two KSZ9477-EVB boards with HSR ports set to "Port1" and "Port2".

Lukasz Majewski (4):
  net: dsa: Extend the dsa_switch structure to hold info about HSR ports
  net: dsa: Extend ksz9477 TAG setup to support HSR frames duplication
  net: dsa: hsr: Enable in KSZ9477 switch HW HSR offloading
  net: dsa: hsr: Provide generic HSR ksz_hsr_{join|leave} functions

 drivers/net/dsa/microchip/ksz9477.c    | 96 ++++++++++++++++++++++++++
 drivers/net/dsa/microchip/ksz9477.h    |  4 ++
 drivers/net/dsa/microchip/ksz_common.c | 69 ++++++++++++++++++
 include/net/dsa.h                      |  3 +
 net/dsa/tag_ksz.c                      |  5 ++
 5 files changed, 177 insertions(+)

-- 
2.20.1