Messages in this thread | | | Date | Thu, 21 Sep 2023 10:50:33 -0700 | Subject | Re: [PATCH v5 net-next 3/5] net: dsa: tag_ksz: Extend ksz9477_xmit() for HSR frame duplication | From | Florian Fainelli <> |
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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@denx.de>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> -- Florian
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