switchdev: bridge: Offload multicast disabled

Offload multicast disabled flag, for more accurate mc flood behavior:
When it is on, the mdb should be ignored.
When it is off, unregistered mc packets should be flooded to mc router
ports.

Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index eba80c4fc56f..2971c2a2cdf2 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -48,6 +48,7 @@ enum switchdev_attr_id {
         SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
         SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
         SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
+        SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
 };
 
 struct switchdev_attr {
@@ -62,6 +63,7 @@ struct switchdev_attr {
                 unsigned long brport_flags;             /* PORT_BRIDGE_FLAGS */
                 clock_t ageing_time;                    /* BRIDGE_AGEING_TIME */
                 bool vlan_filtering;                    /* BRIDGE_VLAN_FILTERING */
+                bool mc_disabled;                       /* MC_DISABLED */
         } u;
 };