net/batman-adv/soft-interface.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /* Copyright (C) B.A.T.M.A.N. contributors:
0003  *
0004  * Marek Lindner
0005  */
0006
0007 #ifndef _NET_BATMAN_ADV_SOFT_INTERFACE_H_
0008 #define _NET_BATMAN_ADV_SOFT_INTERFACE_H_
0009
0010 #include "main.h"
0011
0012 #include <linux/kref.h>
0013 #include <linux/netdevice.h>
0014 #include <linux/skbuff.h>
0015 #include <linux/types.h>
0016 #include <net/rtnetlink.h>
0017
0018 int batadv_skb_head_push(struct sk_buff *skb, unsigned int len);
0019 void batadv_interface_rx(struct net_device *soft_iface,
0020              struct sk_buff *skb, int hdr_size,
0021              struct batadv_orig_node *orig_node);
0022 bool batadv_softif_is_valid(const struct net_device *net_dev);
0023 extern struct rtnl_link_ops batadv_link_ops;
0024 int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid);
0025 void batadv_softif_vlan_release(struct kref *ref);
0026 struct batadv_softif_vlan *batadv_softif_vlan_get(struct batadv_priv *bat_priv,
0027                           unsigned short vid);
0028
0029 /**
0030  * batadv_softif_vlan_put() - decrease the vlan object refcounter and
0031  *  possibly release it
0032  * @vlan: the vlan object to release
0033  */
0034 static inline void batadv_softif_vlan_put(struct batadv_softif_vlan *vlan)
0035 {
0036     if (!vlan)
0037         return;
0038
0039     kref_put(&vlan->refcount, batadv_softif_vlan_release);
0040 }
0041
0042 #endif /* _NET_BATMAN_ADV_SOFT_INTERFACE_H_ */