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Subject[RFC 6/9] net: dsa: mv88e6352: allow egress of unknown multicast
Date
This patch disables egress of unknown unicast destination addresses.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx.c | 3 ++-
drivers/net/dsa/mv88e6xxx.h | 5 +++++
2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 49ef2f8..d2beb10 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -1686,7 +1686,8 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
mv88e6xxx_6185_family(ds))
reg = PORT_CONTROL_IGMP_MLD_SNOOP |
PORT_CONTROL_USE_TAG | PORT_CONTROL_USE_IP |
- PORT_CONTROL_STATE_FORWARDING;
+ PORT_CONTROL_STATE_FORWARDING |
+ PORT_CONTROL_EGRESS_FLOODS_NO_UNKNOWN_UNICAST_DA;
if (dsa_is_cpu_port(ds, port)) {
if (mv88e6xxx_6095_family(ds) || mv88e6xxx_6185_family(ds))
reg |= PORT_CONTROL_DSA_TAG;
diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h
index f4ea66a..412d14e 100644
--- a/drivers/net/dsa/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx.h
@@ -117,6 +117,11 @@
#define PORT_CONTROL_STATE_BLOCKING 0x01
#define PORT_CONTROL_STATE_LEARNING 0x02
#define PORT_CONTROL_STATE_FORWARDING 0x03
+#define PORT_CONTROL_EGRESS_FLOODS_MASK (0x03 << 2)
+#define PORT_CONTROL_EGRESS_FLOODS_NO_UNKNOWN_ANY_DA (0x00 << 2)
+#define PORT_CONTROL_EGRESS_FLOODS_NO_UNKNOWN_MULTICAST_DA (0x01 << 2)
+#define PORT_CONTROL_EGRESS_FLOODS_NO_UNKNOWN_UNICAST_DA (0x02 << 2)
+#define PORT_CONTROL_EGRESS_FLOODS_ANY_DA (0x03 << 2)
#define PORT_CONTROL_1 0x05
#define PORT_BASE_VLAN 0x06
#define PORT_DEFAULT_VLAN 0x07
--
2.4.1


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