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, Simon Wunderlich, Antonio Quartulli
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
8*4882a593Smuzhiyun #define _NET_BATMAN_ADV_TRANSLATION_TABLE_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/netlink.h>
15*4882a593Smuzhiyun #include <linux/seq_file.h>
16*4882a593Smuzhiyun #include <linux/skbuff.h>
17*4882a593Smuzhiyun #include <linux/types.h>
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun int batadv_tt_init(struct batadv_priv *bat_priv);
20*4882a593Smuzhiyun bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
21*4882a593Smuzhiyun unsigned short vid, int ifindex, u32 mark);
22*4882a593Smuzhiyun u16 batadv_tt_local_remove(struct batadv_priv *bat_priv,
23*4882a593Smuzhiyun const u8 *addr, unsigned short vid,
24*4882a593Smuzhiyun const char *message, bool roaming);
25*4882a593Smuzhiyun int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
26*4882a593Smuzhiyun int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
27*4882a593Smuzhiyun int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb);
28*4882a593Smuzhiyun int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb);
29*4882a593Smuzhiyun void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
30*4882a593Smuzhiyun struct batadv_orig_node *orig_node,
31*4882a593Smuzhiyun s32 match_vid, const char *message);
32*4882a593Smuzhiyun struct batadv_tt_global_entry *
33*4882a593Smuzhiyun batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr,
34*4882a593Smuzhiyun unsigned short vid);
35*4882a593Smuzhiyun void batadv_tt_global_entry_release(struct kref *ref);
36*4882a593Smuzhiyun int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
37*4882a593Smuzhiyun const u8 *addr, unsigned short vid);
38*4882a593Smuzhiyun struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
39*4882a593Smuzhiyun const u8 *src, const u8 *addr,
40*4882a593Smuzhiyun unsigned short vid);
41*4882a593Smuzhiyun void batadv_tt_free(struct batadv_priv *bat_priv);
42*4882a593Smuzhiyun bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr,
43*4882a593Smuzhiyun unsigned short vid);
44*4882a593Smuzhiyun bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst,
45*4882a593Smuzhiyun unsigned short vid);
46*4882a593Smuzhiyun void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv);
47*4882a593Smuzhiyun bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
48*4882a593Smuzhiyun u8 *addr, unsigned short vid);
49*4882a593Smuzhiyun bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
50*4882a593Smuzhiyun u8 *addr, unsigned short vid);
51*4882a593Smuzhiyun void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface);
52*4882a593Smuzhiyun bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
53*4882a593Smuzhiyun struct batadv_orig_node *orig_node,
54*4882a593Smuzhiyun const unsigned char *addr,
55*4882a593Smuzhiyun unsigned short vid);
56*4882a593Smuzhiyun bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv,
57*4882a593Smuzhiyun const u8 *addr, unsigned short vid);
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun int batadv_tt_cache_init(void);
60*4882a593Smuzhiyun void batadv_tt_cache_destroy(void);
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun /**
63*4882a593Smuzhiyun * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and
64*4882a593Smuzhiyun * possibly release it
65*4882a593Smuzhiyun * @tt_global_entry: tt_global_entry to be free'd
66*4882a593Smuzhiyun */
67*4882a593Smuzhiyun static inline void
batadv_tt_global_entry_put(struct batadv_tt_global_entry * tt_global_entry)68*4882a593Smuzhiyun batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry)
69*4882a593Smuzhiyun {
70*4882a593Smuzhiyun if (!tt_global_entry)
71*4882a593Smuzhiyun return;
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun kref_put(&tt_global_entry->common.refcount,
74*4882a593Smuzhiyun batadv_tt_global_entry_release);
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
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