xref: /linux/net/batman-adv/mesh-interface.h (revision fafb66e5903c2bcfc7b7e259042a8282f18a6faa)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) B.A.T.M.A.N. contributors:
3  *
4  * Marek Lindner
5  */
6 
7 #ifndef _NET_BATMAN_ADV_MESH_INTERFACE_H_
8 #define _NET_BATMAN_ADV_MESH_INTERFACE_H_
9 
10 #include "main.h"
11 
12 #include <linux/kref.h>
13 #include <linux/netdevice.h>
14 #include <linux/skbuff.h>
15 #include <linux/types.h>
16 
17 int batadv_skb_head_push(struct sk_buff *skb, unsigned int len);
18 void batadv_interface_rx(struct net_device *mesh_iface,
19 			 struct sk_buff *skb, int hdr_size,
20 			 struct batadv_orig_node *orig_node);
21 bool batadv_meshif_is_valid(const struct net_device *net_dev);
22 extern struct rtnl_link_ops batadv_link_ops;
23 int batadv_meshif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid);
24 void batadv_meshif_destroy_vlan(struct batadv_priv *bat_priv,
25 				struct batadv_meshif_vlan *vlan);
26 void batadv_meshif_vlan_release(struct kref *ref);
27 struct batadv_meshif_vlan *batadv_meshif_vlan_get(struct batadv_priv *bat_priv,
28 						  unsigned short vid);
29 
30 /**
31  * batadv_meshif_vlan_put() - decrease the vlan object refcounter and
32  *  possibly release it
33  * @vlan: the vlan object to release
34  */
35 static inline void batadv_meshif_vlan_put(struct batadv_meshif_vlan *vlan)
36 {
37 	if (!vlan)
38 		return;
39 
40 	kref_put(&vlan->refcount, batadv_meshif_vlan_release);
41 }
42 
43 #endif /* _NET_BATMAN_ADV_MESH_INTERFACE_H_ */
44