1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2007-2020 B.A.T.M.A.N. contributors:
4 * Marek Lindner, Simon Wunderlich
7 #ifndef _NET_BATMAN_ADV_ORIGINATOR_H_
8 #define _NET_BATMAN_ADV_ORIGINATOR_H_
12 #include <linux/compiler.h>
13 #include <linux/if_ether.h>
14 #include <linux/jhash.h>
15 #include <linux/kref.h>
16 #include <linux/netlink.h>
17 #include <linux/seq_file.h>
18 #include <linux/skbuff.h>
19 #include <linux/types.h>
21 bool batadv_compare_orig(const struct hlist_node *node, const void *data2);
22 int batadv_originator_init(struct batadv_priv *bat_priv);
23 void batadv_originator_free(struct batadv_priv *bat_priv);
24 void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
25 void batadv_orig_node_release(struct kref *ref);
26 struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
28 struct batadv_hardif_neigh_node *
29 batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
30 const u8 *neigh_addr);
31 void batadv_hardif_neigh_release(struct kref *ref);
32 struct batadv_neigh_node *
33 batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
34 struct batadv_hard_iface *hard_iface,
35 const u8 *neigh_addr);
36 void batadv_neigh_node_release(struct kref *ref);
37 struct batadv_neigh_node *
38 batadv_orig_router_get(struct batadv_orig_node *orig_node,
39 const struct batadv_hard_iface *if_outgoing);
40 struct batadv_neigh_ifinfo *
41 batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh,
42 struct batadv_hard_iface *if_outgoing);
43 struct batadv_neigh_ifinfo *
44 batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
45 struct batadv_hard_iface *if_outgoing);
46 void batadv_neigh_ifinfo_release(struct kref *ref);
48 int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
49 int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset);
51 struct batadv_orig_ifinfo *
52 batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node,
53 struct batadv_hard_iface *if_outgoing);
54 struct batadv_orig_ifinfo *
55 batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
56 struct batadv_hard_iface *if_outgoing);
57 void batadv_orig_ifinfo_release(struct kref *ref);
59 int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
60 int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
61 int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset);
62 struct batadv_orig_node_vlan *
63 batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
65 struct batadv_orig_node_vlan *
66 batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
68 void batadv_orig_node_vlan_release(struct kref *ref);
71 * batadv_choose_orig() - Return the index of the orig entry in the hash table
72 * @data: mac address of the originator node
73 * @size: the size of the hash table
75 * Return: the hash index where the object represented by @data should be
78 static inline u32 batadv_choose_orig(const void *data, u32 size)
82 hash = jhash(data, ETH_ALEN, hash);
86 struct batadv_orig_node *
87 batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data);
90 * batadv_orig_node_vlan_put() - decrement the refcounter and possibly release
91 * the originator-vlan object
92 * @orig_vlan: the originator-vlan object to release
95 batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan)
100 kref_put(&orig_vlan->refcount, batadv_orig_node_vlan_release);
104 * batadv_neigh_ifinfo_put() - decrement the refcounter and possibly release
106 * @neigh_ifinfo: the neigh_ifinfo object to release
109 batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo)
114 kref_put(&neigh_ifinfo->refcount, batadv_neigh_ifinfo_release);
118 * batadv_hardif_neigh_put() - decrement the hardif neighbors refcounter
119 * and possibly release it
120 * @hardif_neigh: hardif neigh neighbor to free
123 batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh)
128 kref_put(&hardif_neigh->refcount, batadv_hardif_neigh_release);
132 * batadv_neigh_node_put() - decrement the neighbors refcounter and possibly
134 * @neigh_node: neigh neighbor to free
136 static inline void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node)
141 kref_put(&neigh_node->refcount, batadv_neigh_node_release);
145 * batadv_orig_ifinfo_put() - decrement the refcounter and possibly release
147 * @orig_ifinfo: the orig_ifinfo object to release
150 batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo)
155 kref_put(&orig_ifinfo->refcount, batadv_orig_ifinfo_release);
159 * batadv_orig_node_put() - decrement the orig node refcounter and possibly
161 * @orig_node: the orig node to free
163 static inline void batadv_orig_node_put(struct batadv_orig_node *orig_node)
168 kref_put(&orig_node->refcount, batadv_orig_node_release);
171 #endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */