xref: /OK3568_Linux_fs/kernel/net/batman-adv/soft-interface.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /* Copyright (C) 2007-2020  B.A.T.M.A.N. contributors:
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Marek Lindner
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef _NET_BATMAN_ADV_SOFT_INTERFACE_H_
8*4882a593Smuzhiyun #define _NET_BATMAN_ADV_SOFT_INTERFACE_H_
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include "main.h"
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <linux/kref.h>
13*4882a593Smuzhiyun #include <linux/netdevice.h>
14*4882a593Smuzhiyun #include <linux/skbuff.h>
15*4882a593Smuzhiyun #include <linux/types.h>
16*4882a593Smuzhiyun #include <net/net_namespace.h>
17*4882a593Smuzhiyun #include <net/rtnetlink.h>
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun int batadv_skb_head_push(struct sk_buff *skb, unsigned int len);
20*4882a593Smuzhiyun void batadv_interface_rx(struct net_device *soft_iface,
21*4882a593Smuzhiyun 			 struct sk_buff *skb, int hdr_size,
22*4882a593Smuzhiyun 			 struct batadv_orig_node *orig_node);
23*4882a593Smuzhiyun struct net_device *batadv_softif_create(struct net *net, const char *name);
24*4882a593Smuzhiyun void batadv_softif_destroy_sysfs(struct net_device *soft_iface);
25*4882a593Smuzhiyun bool batadv_softif_is_valid(const struct net_device *net_dev);
26*4882a593Smuzhiyun extern struct rtnl_link_ops batadv_link_ops;
27*4882a593Smuzhiyun int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid);
28*4882a593Smuzhiyun void batadv_softif_vlan_release(struct kref *ref);
29*4882a593Smuzhiyun struct batadv_softif_vlan *batadv_softif_vlan_get(struct batadv_priv *bat_priv,
30*4882a593Smuzhiyun 						  unsigned short vid);
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun /**
33*4882a593Smuzhiyun  * batadv_softif_vlan_put() - decrease the vlan object refcounter and
34*4882a593Smuzhiyun  *  possibly release it
35*4882a593Smuzhiyun  * @vlan: the vlan object to release
36*4882a593Smuzhiyun  */
batadv_softif_vlan_put(struct batadv_softif_vlan * vlan)37*4882a593Smuzhiyun static inline void batadv_softif_vlan_put(struct batadv_softif_vlan *vlan)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun 	if (!vlan)
40*4882a593Smuzhiyun 		return;
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun 	kref_put(&vlan->refcount, batadv_softif_vlan_release);
43*4882a593Smuzhiyun }
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun #endif /* _NET_BATMAN_ADV_SOFT_INTERFACE_H_ */
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