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

[Florian Fainelli]

On 9/20/23 04:43, 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>

Reviewed-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
--
Florian