struct rocker_port *rocker_port = netdev_priv(dev);
        int err = 0;
 
-       switch (attr->trans_ph) {
+       switch (trans->ph) {
        case SWITCHDEV_TRANS_PREPARE:
                BUG_ON(!list_empty(&rocker_port->trans_mem));
                break;
 
        switch (attr->id) {
        case SWITCHDEV_ATTR_PORT_STP_STATE:
-               err = rocker_port_stp_update(rocker_port, attr->trans_ph,
+               err = rocker_port_stp_update(rocker_port, trans->ph,
                                             ROCKER_OP_FLAG_NOWAIT,
                                             attr->u.stp_state);
                break;
        case SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS:
-               err = rocker_port_brport_flags_set(rocker_port, attr->trans_ph,
+               err = rocker_port_brport_flags_set(rocker_port, trans->ph,
                                                   attr->u.brport_flags);
                break;
        default:
        const struct switchdev_obj_ipv4_fib *fib4;
        int err = 0;
 
-       switch (obj->trans_ph) {
+       switch (trans->ph) {
        case SWITCHDEV_TRANS_PREPARE:
                BUG_ON(!list_empty(&rocker_port->trans_mem));
                break;
 
        switch (obj->id) {
        case SWITCHDEV_OBJ_PORT_VLAN:
-               err = rocker_port_vlans_add(rocker_port, obj->trans_ph,
+               err = rocker_port_vlans_add(rocker_port, trans->ph,
                                            &obj->u.vlan);
                break;
        case SWITCHDEV_OBJ_IPV4_FIB:
                fib4 = &obj->u.ipv4_fib;
-               err = rocker_port_fib_ipv4(rocker_port, obj->trans_ph,
+               err = rocker_port_fib_ipv4(rocker_port, trans->ph,
                                           htonl(fib4->dst), fib4->dst_len,
                                           fib4->fi, fib4->tb_id, 0);
                break;
        case SWITCHDEV_OBJ_PORT_FDB:
-               err = rocker_port_fdb_add(rocker_port, obj->trans_ph, &obj->u.fdb);
+               err = rocker_port_fdb_add(rocker_port, trans->ph, &obj->u.fdb);
                break;
        default:
                err = -EOPNOTSUPP;
                                           ROCKER_OP_FLAG_REMOVE);
                break;
        case SWITCHDEV_OBJ_PORT_FDB:
-               err = rocker_port_fdb_del(rocker_port, obj->trans_ph, &obj->u.fdb);
+               err = rocker_port_fdb_del(rocker_port, SWITCHDEV_TRANS_NONE,
+                                         &obj->u.fdb);
                break;
        default:
                err = -EOPNOTSUPP;
 
 
 struct switchdev_trans {
        struct list_head item_list;
+       enum switchdev_trans_ph ph;
 };
 
 enum switchdev_attr_id {
 
 struct switchdev_attr {
        enum switchdev_attr_id id;
-       enum switchdev_trans_ph trans_ph;
        u32 flags;
        union {
                struct netdev_phys_item_id ppid;        /* PORT_PARENT_ID */
 
 struct switchdev_obj {
        enum switchdev_obj_id id;
-       enum switchdev_trans_ph trans_ph;
        int (*cb)(struct net_device *dev, struct switchdev_obj *obj);
        union {
                struct switchdev_obj_vlan {             /* PORT_VLAN */
 
 }
 
 static int dsa_slave_port_vlan_add(struct net_device *dev,
-                                  struct switchdev_obj *obj)
+                                  struct switchdev_obj *obj,
+                                  struct switchdev_trans *trans)
 {
        struct switchdev_obj_vlan *vlan = &obj->u.vlan;
        struct dsa_slave_priv *p = netdev_priv(dev);
        u16 vid;
        int err;
 
-       switch (obj->trans_ph) {
+       switch (trans->ph) {
        case SWITCHDEV_TRANS_PREPARE:
                if (!ds->drv->port_vlan_add || !ds->drv->port_pvid_set)
                        return -EOPNOTSUPP;
 }
 
 static int dsa_slave_port_fdb_add(struct net_device *dev,
-                                 struct switchdev_obj *obj)
+                                 struct switchdev_obj *obj,
+                                 struct switchdev_trans *trans)
 {
        struct switchdev_obj_fdb *fdb = &obj->u.fdb;
        struct dsa_slave_priv *p = netdev_priv(dev);
        struct dsa_switch *ds = p->parent;
        int ret = -EOPNOTSUPP;
 
-       if (obj->trans_ph == SWITCHDEV_TRANS_PREPARE)
+       if (trans->ph == SWITCHDEV_TRANS_PREPARE)
                ret = ds->drv->port_fdb_add ? 0 : -EOPNOTSUPP;
-       else if (obj->trans_ph == SWITCHDEV_TRANS_COMMIT)
+       else if (trans->ph == SWITCHDEV_TRANS_COMMIT)
                ret = ds->drv->port_fdb_add(ds, p->port, fdb->addr, fdb->vid);
 
        return ret;
 
        switch (attr->id) {
        case SWITCHDEV_ATTR_PORT_STP_STATE:
-               if (attr->trans_ph == SWITCHDEV_TRANS_COMMIT)
+               if (trans->ph == SWITCHDEV_TRANS_COMMIT)
                        ret = dsa_slave_stp_update(dev, attr->u.stp_state);
                break;
        default:
 
        switch (obj->id) {
        case SWITCHDEV_OBJ_PORT_FDB:
-               err = dsa_slave_port_fdb_add(dev, obj);
+               err = dsa_slave_port_fdb_add(dev, obj, trans);
                break;
        case SWITCHDEV_OBJ_PORT_VLAN:
-               err = dsa_slave_port_vlan_add(dev, obj);
+               err = dsa_slave_port_vlan_add(dev, obj, trans);
                break;
        default:
                err = -EOPNOTSUPP;
 
         * but should not commit the attr.
         */
 
-       attr->trans_ph = SWITCHDEV_TRANS_PREPARE;
+       trans.ph = SWITCHDEV_TRANS_PREPARE;
        err = __switchdev_port_attr_set(dev, attr, &trans);
        if (err) {
                /* Prepare phase failed: abort the transaction.  Any
                 */
 
                if (err != -EOPNOTSUPP) {
-                       attr->trans_ph = SWITCHDEV_TRANS_ABORT;
+                       trans.ph = SWITCHDEV_TRANS_ABORT;
                        __switchdev_port_attr_set(dev, attr, &trans);
                        switchdev_trans_items_destroy(&trans);
                }
         * because the driver said everythings was OK in phase I.
         */
 
-       attr->trans_ph = SWITCHDEV_TRANS_COMMIT;
+       trans.ph = SWITCHDEV_TRANS_COMMIT;
        err = __switchdev_port_attr_set(dev, attr, &trans);
        WARN(err, "%s: Commit of attribute (id=%d) failed.\n",
             dev->name, attr->id);
         * but should not commit the obj.
         */
 
-       obj->trans_ph = SWITCHDEV_TRANS_PREPARE;
+       trans.ph = SWITCHDEV_TRANS_PREPARE;
        err = __switchdev_port_obj_add(dev, obj, &trans);
        if (err) {
                /* Prepare phase failed: abort the transaction.  Any
                 */
 
                if (err != -EOPNOTSUPP) {
-                       obj->trans_ph = SWITCHDEV_TRANS_ABORT;
+                       trans.ph = SWITCHDEV_TRANS_ABORT;
                        __switchdev_port_obj_add(dev, obj, &trans);
                        switchdev_trans_items_destroy(&trans);
                }
         * because the driver said everythings was OK in phase I.
         */
 
-       obj->trans_ph = SWITCHDEV_TRANS_COMMIT;
+       trans.ph = SWITCHDEV_TRANS_COMMIT;
        err = __switchdev_port_obj_add(dev, obj, &trans);
        WARN(err, "%s: Commit of object (id=%d) failed.\n", dev->name, obj->id);
        switchdev_trans_items_warn_destroy(dev, &trans);