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Message-Id: <20230920114343.1979843-1-lukma@denx.de>
Date:   Wed, 20 Sep 2023 13:43:38 +0200
From:   Lukasz Majewski <lukma@...x.de>
To:     Tristram.Ha@...rochip.com, Eric Dumazet <edumazet@...gle.com>,
        Andrew Lunn <andrew@...n.ch>, davem@...emloft.net,
        Woojung Huh <woojung.huh@...rochip.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     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 v5 net-next 0/5] 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
ip link set dev lan1 up
ip link set dev lan2 up
ip a add 192.168.0.1/24 dev hsr0
ip link set dev hsr0 up

To remove HSR network device:
ip link del hsr0

To test if one can adjust MAC address:
ip link set lan2 address 00:01:02:AA:BB:CC

It is also possible to create another HSR interface, but it will
only support HSR is software - e.g.
ip link add name hsr1 type hsr slave1 lan3 slave2 lan4 supervision 45 version 1

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

Performance SW used:
nuttcp -S --nofork
nuttcp -vv -T 60 -r 192.168.0.2
nuttcp -vv -T 60 -t 192.168.0.2

Code: v6.6.0-rc1+ Linux repository
Tested HSR v0 and v1
Results:
With KSZ9477 offloading support added: RX: 100 Mbps TX: 98 Mbps
With no offloading 		       RX: 63 Mbps  TX: 63 Mbps

Lukasz Majewski (2):
  net: dsa: tag_ksz: Extend ksz9477_xmit() for HSR frame duplication
  net: dsa: microchip: Enable HSR offloading for KSZ9477

Vladimir Oltean (3):
  net: dsa: propagate extack to ds->ops->port_hsr_join()
  net: dsa: notify drivers of MAC address changes on user ports
  net: dsa: microchip: move REG_SW_MAC_ADDR to dev->info->regs[]

 drivers/net/dsa/microchip/ksz8795_reg.h |   7 --
 drivers/net/dsa/microchip/ksz9477.c     |  70 +++++++++++
 drivers/net/dsa/microchip/ksz9477.h     |   2 +
 drivers/net/dsa/microchip/ksz9477_reg.h |   7 --
 drivers/net/dsa/microchip/ksz_common.c  | 149 ++++++++++++++++++++++++
 drivers/net/dsa/microchip/ksz_common.h  |  10 ++
 drivers/net/dsa/xrs700x/xrs700x.c       |  18 ++-
 include/net/dsa.h                       |  13 ++-
 net/dsa/port.c                          |   5 +-
 net/dsa/port.h                          |   3 +-
 net/dsa/slave.c                         |   9 +-
 net/dsa/tag_ksz.c                       |   8 ++
 12 files changed, 276 insertions(+), 25 deletions(-)

-- 
2.20.1

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