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/net/batman-adv/originator.h

http://github.com/mirrors/linux
C Header | 89 lines | 65 code | 11 blank | 13 comment | 0 complexity | e4a4cd98ea68e7b757348fd2b8420abf MD5 | raw file
 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright (C) 2007-2020  B.A.T.M.A.N. contributors:
 3 *
 4 * Marek Lindner, Simon Wunderlich
 5 */
 6
 7#ifndef _NET_BATMAN_ADV_ORIGINATOR_H_
 8#define _NET_BATMAN_ADV_ORIGINATOR_H_
 9
10#include "main.h"
11
12#include <linux/compiler.h>
13#include <linux/if_ether.h>
14#include <linux/jhash.h>
15#include <linux/netlink.h>
16#include <linux/seq_file.h>
17#include <linux/skbuff.h>
18#include <linux/types.h>
19
20bool batadv_compare_orig(const struct hlist_node *node, const void *data2);
21int batadv_originator_init(struct batadv_priv *bat_priv);
22void batadv_originator_free(struct batadv_priv *bat_priv);
23void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
24void batadv_orig_node_put(struct batadv_orig_node *orig_node);
25struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
26					      const u8 *addr);
27struct batadv_hardif_neigh_node *
28batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
29			const u8 *neigh_addr);
30void
31batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh);
32struct batadv_neigh_node *
33batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
34				struct batadv_hard_iface *hard_iface,
35				const u8 *neigh_addr);
36void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node);
37struct batadv_neigh_node *
38batadv_orig_router_get(struct batadv_orig_node *orig_node,
39		       const struct batadv_hard_iface *if_outgoing);
40struct batadv_neigh_ifinfo *
41batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh,
42			struct batadv_hard_iface *if_outgoing);
43struct batadv_neigh_ifinfo *
44batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
45			struct batadv_hard_iface *if_outgoing);
46void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo);
47
48int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
49int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset);
50
51struct batadv_orig_ifinfo *
52batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node,
53		       struct batadv_hard_iface *if_outgoing);
54struct batadv_orig_ifinfo *
55batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
56		       struct batadv_hard_iface *if_outgoing);
57void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo);
58
59int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
60int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
61int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset);
62struct batadv_orig_node_vlan *
63batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
64			  unsigned short vid);
65struct batadv_orig_node_vlan *
66batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
67			  unsigned short vid);
68void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan);
69
70/**
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
74 *
75 * Return: the hash index where the object represented by @data should be
76 * stored at.
77 */
78static inline u32 batadv_choose_orig(const void *data, u32 size)
79{
80	u32 hash = 0;
81
82	hash = jhash(data, ETH_ALEN, hash);
83	return hash % size;
84}
85
86struct batadv_orig_node *
87batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data);
88
89#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */