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Date: Sat, 12 Dec 2020 19:49:34 -0800 From: Florian Fainelli <f.fainelli@...il.com> To: Vladimir Oltean <vladimir.oltean@....com>, Andrew Lunn <andrew@...n.ch>, Vivien Didelot <vivien.didelot@...il.com>, Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, bridge@...ts.linux-foundation.org, Roopa Prabhu <roopa@...dia.com>, Nikolay Aleksandrov <nikolay@...dia.com>, "David S. Miller" <davem@...emloft.net> Cc: DENG Qingfang <dqfext@...il.com>, Tobias Waldekranz <tobias@...dekranz.com>, Marek Behun <marek.behun@....cz>, Russell King - ARM Linux admin <linux@...linux.org.uk>, Alexandra Winter <wintera@...ux.ibm.com>, Jiri Pirko <jiri@...nulli.us>, Ido Schimmel <idosch@...sch.org>, Claudiu Manoil <claudiu.manoil@....com> Subject: Re: [PATCH v2 net-next 6/6] net: dsa: ocelot: request DSA to fix up lack of address learning on CPU port On 12/12/2020 6:40 PM, Vladimir Oltean wrote: > Given the following setup: > > ip link add br0 type bridge > ip link set eno0 master br0 > ip link set swp0 master br0 > ip link set swp1 master br0 > ip link set swp2 master br0 > ip link set swp3 master br0 > > Currently, packets received on a DSA slave interface (such as swp0) > which should be routed by the software bridge towards a non-switch port > (such as eno0) are also flooded towards the other switch ports (swp1, > swp2, swp3) because the destination is unknown to the hardware switch. > > This patch addresses the issue by monitoring the addresses learnt by the > software bridge on eno0, and adding/deleting them as static FDB entries > on the CPU port accordingly. > > Signed-off-by: Vladimir Oltean <vladimir.oltean@....com> Reviewed-by: Florian Fainelli <f.fainelli@...il.com> -- Florian
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