net: dsa: mv88e6xxx: do not flood CPU with unknown multicast
authorVivien Didelot <vivien.didelot@gmail.com>
Wed, 12 Jun 2019 22:33:44 +0000 (18:33 -0400)
committerDavid S. Miller <davem@davemloft.net>
Sat, 15 Jun 2019 20:25:36 +0000 (13:25 -0700)
commit422efd032775757c41e9579facd9656a87bf4f00
tree5a01a23afd179b8e9e721b46f2717c542b2d56b7
parent877cd9ffbc9ca5990b28ee52e3dd1082a551633f
net: dsa: mv88e6xxx: do not flood CPU with unknown multicast

The DSA ports must flood unknown unicast and multicast, but the switch
must not flood the CPU ports with unknown multicast, as this results
in a lot of undesirable traffic that the network stack needs to filter
in software.

Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/dsa/mv88e6xxx/chip.c