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7#ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
8#define _NET_BATMAN_ADV_HARD_INTERFACE_H_
9
10#include "main.h"
11
12#include <linux/compiler.h>
13#include <linux/kref.h>
14#include <linux/netdevice.h>
15#include <linux/notifier.h>
16#include <linux/rcupdate.h>
17#include <linux/stddef.h>
18#include <linux/types.h>
19
20
21
22
23enum batadv_hard_if_state {
24
25
26
27
28 BATADV_IF_NOT_IN_USE,
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30
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32
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34 BATADV_IF_TO_BE_REMOVED,
35
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37 BATADV_IF_INACTIVE,
38
39
40 BATADV_IF_ACTIVE,
41
42
43 BATADV_IF_TO_BE_ACTIVATED,
44};
45
46
47
48
49enum batadv_hard_if_bcast {
50
51 BATADV_HARDIF_BCAST_OK = 0,
52
53
54
55
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57 BATADV_HARDIF_BCAST_NORECIPIENT,
58
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63 BATADV_HARDIF_BCAST_DUPFWD,
64
65
66 BATADV_HARDIF_BCAST_DUPORIG,
67};
68
69extern struct notifier_block batadv_hard_if_notifier;
70
71struct net_device *batadv_get_real_netdev(struct net_device *net_device);
72bool batadv_is_cfg80211_hardif(struct batadv_hard_iface *hard_iface);
73bool batadv_is_wifi_hardif(struct batadv_hard_iface *hard_iface);
74struct batadv_hard_iface*
75batadv_hardif_get_by_netdev(const struct net_device *net_dev);
76int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
77 struct net_device *soft_iface);
78void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface);
79int batadv_hardif_min_mtu(struct net_device *soft_iface);
80void batadv_update_min_mtu(struct net_device *soft_iface);
81void batadv_hardif_release(struct kref *ref);
82int batadv_hardif_no_broadcast(struct batadv_hard_iface *if_outgoing,
83 u8 *orig_addr, u8 *orig_neigh);
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85
86
87
88
89
90static inline void batadv_hardif_put(struct batadv_hard_iface *hard_iface)
91{
92 if (!hard_iface)
93 return;
94
95 kref_put(&hard_iface->refcount, batadv_hardif_release);
96}
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101
102
103
104static inline struct batadv_hard_iface *
105batadv_primary_if_get_selected(struct batadv_priv *bat_priv)
106{
107 struct batadv_hard_iface *hard_iface;
108
109 rcu_read_lock();
110 hard_iface = rcu_dereference(bat_priv->primary_if);
111 if (!hard_iface)
112 goto out;
113
114 if (!kref_get_unless_zero(&hard_iface->refcount))
115 hard_iface = NULL;
116
117out:
118 rcu_read_unlock();
119 return hard_iface;
120}
121
122#endif
123