linux-kernel - Re: [PATCH v6 net-next 0/5] net: dsa: hsr: Enable HSR HW offloading for KSZ9477

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Message-ID: <20231003095832.4bec4c72@wsk>
Date:   Tue, 3 Oct 2023 09:58:32 +0200
From:   Lukasz Majewski <lukma@...x.de>
To:     Vladimir Oltean <olteanv@...il.com>, Andrew Lunn <andrew@...n.ch>,
        Woojung Huh <woojung.huh@...rochip.com>
Cc:     Tristram.Ha@...rochip.com, Eric Dumazet <edumazet@...gle.com>,
        davem@...emloft.net, Oleksij Rempel <o.rempel@...gutronix.de>,
        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
Subject: Re: [PATCH v6 net-next 0/5] net: dsa: hsr: Enable HSR HW offloading
 for KSZ9477

Hi Vladimir, Andrew, Woojung,

> Hi Vladimir,
> 
> > On Fri, Sep 22, 2023 at 03:31:03PM +0200, Lukasz Majewski wrote:  
> > > 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-rc2+ Linux net-next repository
> > > SHA1: 5a1b322cb0b7d0d33a2d13462294dc0f46911172
> > > 
> > > 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    
> > 
> > Reviewed-by: Vladimir Oltean <vladimir.oltean@....com>
> > 
> > Thanks!  
> 
> I hope, that it will find its way to net-next soon :-).
> 

I'm a bit puzzled with this patch series - will it be pulled directly
to net-next [1] or is there any other (KSZ maintainer's?) tree to which
it will be first pulled and then PR will be send to net-next?

Thanks in advance for the clarification.

> Thanks for your help and patience.
> 

Links:

[1] -
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/log/

> 
> 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@...x.de

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@...x.de

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