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Message-ID: <20230921191229.72v3ndgli66lyhdy@skbuf>
Date: Thu, 21 Sep 2023 22:12:29 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Lukasz Majewski <lukma@...x.de>
Cc: Tristram.Ha@...rochip.com, Eric Dumazet <edumazet@...gle.com>,
	Andrew Lunn <andrew@...n.ch>, davem@...emloft.net,
	Woojung Huh <woojung.huh@...rochip.com>,
	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 v5 net-next 3/5] net: dsa: tag_ksz: Extend ksz9477_xmit()
 for HSR frame duplication

On Wed, Sep 20, 2023 at 01:43:41PM +0200, Lukasz Majewski wrote:
> The KSZ9477 has support for HSR (High-Availability Seamless Redundancy).
> One of its offloading (i.e. performed in the switch IC hardware) features
> is to duplicate received frame to both HSR aware switch ports.
> 
> To achieve this goal - the tail TAG needs to be modified. To be more
> specific, both ports must be marked as destination (egress) ones.
> 
> The NETIF_F_HW_HSR_DUP flag indicates that the device supports HSR and
> assures (in HSR core code) that frame is sent only once from HOST to
> switch with tail tag indicating both ports.
> 
> Signed-off-by: Lukasz Majewski <lukma@...x.de>
> 
> ---

I'm not sure what in your process causes this, but there is an atypical
extra new line between the last Signed-off-by: line and ---. Anyway.

Reviewed-by: Vladimir Oltean <vladimir.oltean@....com>

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