net/batman-adv/soft-interface.c

128 	struct batadv_softif_vlan *vlan;
143 	hlist_for_each_entry_rcu(vlan, &bat_priv->softif_vlan_list, list) {
144 		batadv_tt_local_remove(bat_priv, old_addr, vlan->vid,
146 		batadv_tt_local_add(dev, addr->sa_data, vlan->vid,
505  * batadv_softif_vlan_release() - release vlan from lists and queue for free
507  * @ref: kref pointer of the vlan object
511 	struct batadv_softif_vlan *vlan;
513 	vlan = container_of(ref, struct batadv_softif_vlan, refcount);
515 	spin_lock_bh(&vlan->bat_priv->softif_vlan_list_lock);
516 	hlist_del_rcu(&vlan->list);
517 	spin_unlock_bh(&vlan->bat_priv->softif_vlan_list_lock);
519 	kfree_rcu(vlan, rcu);
523  * batadv_softif_vlan_get() - get the vlan object for a specific vid
525  * @vid: the identifier of the vlan object to retrieve
527  * Return: the private data of the vlan matching the vid passed as argument or
533 	struct batadv_softif_vlan *vlan_tmp, *vlan = NULL;
543 		vlan = vlan_tmp;
548 	return vlan;
552  * batadv_softif_create_vlan() - allocate the needed resources for a new vlan
560 	struct batadv_softif_vlan *vlan;
564 	vlan = batadv_softif_vlan_get(bat_priv, vid);
565 	if (vlan) {
566 		batadv_softif_vlan_put(vlan);
571 	vlan = kzalloc(sizeof(*vlan), GFP_ATOMIC);
572 	if (!vlan) {
577 	vlan->bat_priv = bat_priv;
578 	vlan->vid = vid;
579 	kref_init(&vlan->refcount);
581 	atomic_set(&vlan->ap_isolation, 0);
583 	kref_get(&vlan->refcount);
584 	hlist_add_head_rcu(&vlan->list, &bat_priv->softif_vlan_list);
595 	batadv_softif_vlan_put(vlan);
603  * @vlan: the object to remove
606 				       struct batadv_softif_vlan *vlan)
612 			       vlan->vid, "vlan interface destroyed", false);
614 	batadv_softif_vlan_put(vlan);
620  * @proto: protocol of the vlan id
621  * @vid: identifier of the new vlan
623  * Set up all the internal structures for handling the new vlan on top of the
632 	struct batadv_softif_vlan *vlan;
642 	/* if a new vlan is getting created and it already exists, it means that
648 	vlan = batadv_softif_vlan_get(bat_priv, vid);
649 	if (!vlan)
653 	 * flag. This must be added again, even if the vlan object already
666  * @proto: protocol of the vlan id
667  * @vid: identifier of the deleted vlan
669  * Destroy all the internal structures used to handle the vlan identified by vid
673  * or -ENOENT if the specified vlan id wasn't registered.
679 	struct batadv_softif_vlan *vlan;
687 	vlan = batadv_softif_vlan_get(bat_priv, vid | BATADV_VLAN_HAS_TAG);
688 	if (!vlan)
691 	batadv_softif_destroy_vlan(bat_priv, vlan);
693 	/* finally free the vlan object */
694 	batadv_softif_vlan_put(vlan);
1102 	struct batadv_softif_vlan *vlan;
1110 	vlan = batadv_softif_vlan_get(bat_priv, BATADV_NO_FLAGS);
1111 	if (vlan) {
1112 		batadv_softif_destroy_vlan(bat_priv, vlan);
1113 		batadv_softif_vlan_put(vlan);