1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
4 * Marek Lindner, Simon Wunderlich
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of the GNU General Public
8 * License as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 #ifndef _NET_BATMAN_ADV_ORIGINATOR_H_
20 #define _NET_BATMAN_ADV_ORIGINATOR_H_
24 #include <linux/compiler.h>
25 #include <linux/if_ether.h>
26 #include <linux/jhash.h>
27 #include <linux/types.h>
29 struct netlink_callback;
33 bool batadv_compare_orig(const struct hlist_node *node, const void *data2);
34 int batadv_originator_init(struct batadv_priv *bat_priv);
35 void batadv_originator_free(struct batadv_priv *bat_priv);
36 void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
37 void batadv_orig_node_put(struct batadv_orig_node *orig_node);
38 struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
40 struct batadv_hardif_neigh_node *
41 batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
42 const u8 *neigh_addr);
44 batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh);
45 struct batadv_neigh_node *
46 batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
47 struct batadv_hard_iface *hard_iface,
48 const u8 *neigh_addr);
49 void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node);
50 struct batadv_neigh_node *
51 batadv_orig_router_get(struct batadv_orig_node *orig_node,
52 const struct batadv_hard_iface *if_outgoing);
53 struct batadv_neigh_ifinfo *
54 batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh,
55 struct batadv_hard_iface *if_outgoing);
56 struct batadv_neigh_ifinfo *
57 batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
58 struct batadv_hard_iface *if_outgoing);
59 void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo);
61 int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
62 int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset);
64 struct batadv_orig_ifinfo *
65 batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node,
66 struct batadv_hard_iface *if_outgoing);
67 struct batadv_orig_ifinfo *
68 batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
69 struct batadv_hard_iface *if_outgoing);
70 void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo);
72 int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
73 int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
74 int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset);
75 int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
76 unsigned int max_if_num);
77 int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
78 unsigned int max_if_num);
79 struct batadv_orig_node_vlan *
80 batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
82 struct batadv_orig_node_vlan *
83 batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
85 void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan);
88 * batadv_choose_orig() - Return the index of the orig entry in the hash table
89 * @data: mac address of the originator node
90 * @size: the size of the hash table
92 * Return: the hash index where the object represented by @data should be
95 static inline u32 batadv_choose_orig(const void *data, u32 size)
99 hash = jhash(data, ETH_ALEN, hash);
103 struct batadv_orig_node *
104 batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data);
106 #endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */