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mlxsw: spectrum_switchdev: Flood mc when mc is disabled by user flag

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When multicast is disabled, flood mc packets only to port that are marked
BR_MCAST_FLOOD (instead to all).

Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nogah Frankel 2017-09-20 16:15:11 +02:00 • committed by David S. Miller
parent 218a8f8a63
commit 9dad51bdaa
1 changed files with 17 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

21
drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
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@ -262,7 +262,8 @@ mlxsw_sp_bridge_port_create(struct mlxsw_sp_bridge_device *bridge_device,
bridge_port->dev = brport_dev;
bridge_port->bridge_device = bridge_device;
bridge_port->stp_state = BR_STATE_DISABLED;
bridge_port->flags = BR_LEARNING | BR_FLOOD | BR_LEARNING_SYNC;
bridge_port->flags = BR_LEARNING | BR_FLOOD | BR_LEARNING_SYNC |
BR_MCAST_FLOOD;
INIT_LIST_HEAD(&bridge_port->vlans_list);
list_add(&bridge_port->list, &bridge_device->ports_list);
bridge_port->ref_count = 1;
@ -468,7 +469,8 @@ static int mlxsw_sp_port_attr_get(struct net_device *dev,
&attr->u.brport_flags);
break;
case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD;
attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD |
BR_MCAST_FLOOD;
break;
default:
return -EOPNOTSUPP;
@ -653,8 +655,18 @@ static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port,
if (err)
return err;
memcpy(&bridge_port->flags, &brport_flags, sizeof(brport_flags));
if (bridge_port->bridge_device->multicast_enabled)
goto out;
err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port,
MLXSW_SP_FLOOD_TYPE_MC,
brport_flags &
BR_MCAST_FLOOD);
if (err)
return err;
out:
memcpy(&bridge_port->flags, &brport_flags, sizeof(brport_flags));
return 0;
}
@ -747,7 +759,8 @@ static bool mlxsw_sp_mc_flood(const struct mlxsw_sp_bridge_port *bridge_port)
const struct mlxsw_sp_bridge_device *bridge_device;
bridge_device = bridge_port->bridge_device;
return !bridge_device->multicast_enabled ? true : bridge_port->mrouter;
return bridge_device->multicast_enabled ? bridge_port->mrouter :
bridge_port->flags & BR_MCAST_FLOOD;
}
static int mlxsw_sp_port_mc_disabled_set(struct mlxsw_sp_port *mlxsw_sp_port,