net: dsa: use switchdev_handle_fdb_{add,del}_to_device

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Using the new fan-out helper for FDB entries installed on the software
bridge, we can install host addresses with the proper refcount on the
CPU port, such that this case:

ip link set swp0 master br0
ip link set swp1 master br0
ip link set swp2 master br0
ip link set swp3 master br0
ip link set br0 address 00:01:02:03:04:05
ip link set swp3 nomaster

works properly and the br0 address remains installed as a host entry
with refcount 3 instead of getting deleted.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Vladimir Oltean 2021-07-19 16:51:40 +03:00 • committed by David S. Miller

parent 8ca07176ab

commit b94dc99c0d

2 changed files with 113 additions and 105 deletions

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19

net/dsa/dsa_priv.h

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199

net/dsa/slave.c

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