Re: [PATCH v5 net-next 3/5] net: dsa: tag_ksz: Extend ksz9477_xmit() for HSR frame duplication

[Vladimir Oltean]

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@xxxxxxx>
> 
> ---

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@xxxxxxx>