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net: dsa: add slave VLAN helpers 

Add dsa_slave_vlan_add and dsa_slave_vlan_del helpers to handle
SWITCHDEV_OBJ_ID_PORT_VLAN switchdev objects. Also copy the
switchdev_obj_port_vlan structure on add since we will modify it in
future patches.

Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2019-08-25 13:25:17 -04:00 committed by David S. Miller
parent cf360866b1
commit bdcff080f7
1 changed files with 33 additions and 7 deletions
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40
net/dsa/slave.c
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@ -312,6 +312,26 @@ static int dsa_slave_port_attr_set(struct net_device *dev,
return ret;
}
static int dsa_slave_vlan_add(struct net_device *dev,
const struct switchdev_obj *obj,
struct switchdev_trans *trans)
{
struct dsa_port *dp = dsa_slave_to_port(dev);
struct switchdev_obj_port_vlan vlan;
int err;
if (obj->orig_dev != dev)
return -EOPNOTSUPP;
vlan = *SWITCHDEV_OBJ_PORT_VLAN(obj);
err = dsa_port_vlan_add(dp, &vlan, trans);
if (err)
return err;
return 0;
}
static int dsa_slave_port_obj_add(struct net_device *dev,
const struct switchdev_obj *obj,
struct switchdev_trans *trans,
@ -339,10 +359,7 @@ static int dsa_slave_port_obj_add(struct net_device *dev,
trans);
break;
case SWITCHDEV_OBJ_ID_PORT_VLAN:
if (obj->orig_dev != dev)
return -EOPNOTSUPP;
err = dsa_port_vlan_add(dp, SWITCHDEV_OBJ_PORT_VLAN(obj),
trans);
err = dsa_slave_vlan_add(dev, obj, trans);
break;
default:
err = -EOPNOTSUPP;
@ -352,6 +369,17 @@ static int dsa_slave_port_obj_add(struct net_device *dev,
return err;
}
static int dsa_slave_vlan_del(struct net_device *dev,
const struct switchdev_obj *obj)
{
struct dsa_port *dp = dsa_slave_to_port(dev);
if (obj->orig_dev != dev)
return -EOPNOTSUPP;
return dsa_port_vlan_del(dp, SWITCHDEV_OBJ_PORT_VLAN(obj));
}
static int dsa_slave_port_obj_del(struct net_device *dev,
const struct switchdev_obj *obj)
{
@ -371,9 +399,7 @@ static int dsa_slave_port_obj_del(struct net_device *dev,
err = dsa_port_mdb_del(dp->cpu_dp, SWITCHDEV_OBJ_PORT_MDB(obj));
break;
case SWITCHDEV_OBJ_ID_PORT_VLAN:
if (obj->orig_dev != dev)
return -EOPNOTSUPP;
err = dsa_port_vlan_del(dp, SWITCHDEV_OBJ_PORT_VLAN(obj));
err = dsa_slave_vlan_del(dev, obj);
break;
default:
err = -EOPNOTSUPP;