netdev - Re: [PATCH net-next v3 3/4] net: dsa: add support for offloading HSR

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Message-ID: <2d067c4a-103d-997a-8a8a-fac3ae16e586@gmail.com>
Date:   Tue, 9 Feb 2021 20:04:03 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     George McCollister <george.mccollister@...il.com>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Tobias Waldekranz <tobias@...dekranz.com>,
        Jonathan Corbet <corbet@....net>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v3 3/4] net: dsa: add support for offloading HSR



On 2/9/2021 5:02 PM, George McCollister wrote:
> Add support for offloading of HSR/PRP (IEC 62439-3) tag insertion
> tag removal, duplicate generation and forwarding on DSA switches.
> 
> Add DSA_NOTIFIER_HSR_JOIN and DSA_NOTIFIER_HSR_LEAVE which trigger calls
> to .port_hsr_join and .port_hsr_leave in the DSA driver for the switch.
> 
> The DSA switch driver should then set netdev feature flags for the
> HSR/PRP operation that it offloads.
>     NETIF_F_HW_HSR_TAG_INS
>     NETIF_F_HW_HSR_TAG_RM
>     NETIF_F_HW_HSR_FWD
>     NETIF_F_HW_HSR_DUP
> 
> Signed-off-by: George McCollister <george.mccollister@...il.com>
Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian