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Date:   Sun, 13 Dec 2020 16:07:03 +0200
From:   Vladimir Oltean <>
To:     Andrew Lunn <>,
        Vivien Didelot <>,
        Florian Fainelli <>,
        Jakub Kicinski <>,,,,
        Roopa Prabhu <>,
        Nikolay Aleksandrov <>,
        "David S. Miller" <>
Cc:     DENG Qingfang <>,
        Tobias Waldekranz <>,
        Marek Behun <>,
        Russell King - ARM Linux admin <>,
        Alexandra Winter <>,
        Jiri Pirko <>,
        Ido Schimmel <>,
        Claudiu Manoil <>,
Subject: [PATCH v3 net-next 0/7] Offload software learnt bridge addresses to DSA

This series tries to make DSA behave a bit more sanely when bridged with
"foreign" (non-DSA) interfaces and source address learning is not
supported on the hardware CPU port (which would make things work more
seamlessly without software intervention). When a station A connected to
a DSA switch port needs to talk to another station B connected to a
non-DSA port through the Linux bridge, DSA must explicitly add a route
for station B towards its CPU port.

Initial RFC was posted here:

v2 was posted here:

Vladimir Oltean (7):
  net: bridge: notify switchdev of disappearance of old FDB entry upon
  net: dsa: be louder when a non-legacy FDB operation fails
  net: dsa: don't use switchdev_notifier_fdb_info in
  net: dsa: move switchdev event implementation under the same
    switch/case statement
  net: dsa: exit early in dsa_slave_switchdev_event if we can't program
    the FDB
  net: dsa: listen for SWITCHDEV_{FDB,DEL}_ADD_TO_DEVICE on foreign
    bridge neighbors
  net: dsa: ocelot: request DSA to fix up lack of address learning on
    CPU port

 drivers/net/dsa/ocelot/felix.c |   1 +
 include/net/dsa.h              |   5 +
 net/bridge/br_fdb.c            |   1 +
 net/dsa/dsa_priv.h             |  12 +++
 net/dsa/slave.c                | 174 +++++++++++++++++++++------------
 5 files changed, 130 insertions(+), 63 deletions(-)


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