[linux-2.6-block.git] / net / batman-adv / originator.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2019  B.A.T.M.A.N. contributors:
 *
 * Marek Lindner, Simon Wunderlich
 */

#ifndef _NET_BATMAN_ADV_ORIGINATOR_H_
#define _NET_BATMAN_ADV_ORIGINATOR_H_

#include "main.h"

#include <linux/compiler.h>
#include <linux/if_ether.h>
#include <linux/jhash.h>
#include <linux/netlink.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/types.h>

bool batadv_compare_orig(const struct hlist_node *node, const void *data2);
int batadv_originator_init(struct batadv_priv *bat_priv);
void batadv_originator_free(struct batadv_priv *bat_priv);
void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
void batadv_orig_node_put(struct batadv_orig_node *orig_node);
struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
					      const u8 *addr);
struct batadv_hardif_neigh_node *
batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
			const u8 *neigh_addr);
void
batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh);
struct batadv_neigh_node *
batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
				struct batadv_hard_iface *hard_iface,
				const u8 *neigh_addr);
void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node);
struct batadv_neigh_node *
batadv_orig_router_get(struct batadv_orig_node *orig_node,
		       const struct batadv_hard_iface *if_outgoing);
struct batadv_neigh_ifinfo *
batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh,
			struct batadv_hard_iface *if_outgoing);
struct batadv_neigh_ifinfo *
batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
			struct batadv_hard_iface *if_outgoing);
void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo);

int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset);

struct batadv_orig_ifinfo *
batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node,
		       struct batadv_hard_iface *if_outgoing);
struct batadv_orig_ifinfo *
batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
		       struct batadv_hard_iface *if_outgoing);
void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo);

int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset);
struct batadv_orig_node_vlan *
batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
			  unsigned short vid);
struct batadv_orig_node_vlan *
batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
			  unsigned short vid);
void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan);

/**
 * batadv_choose_orig() - Return the index of the orig entry in the hash table
 * @data: mac address of the originator node
 * @size: the size of the hash table
 *
 * Return: the hash index where the object represented by @data should be
 * stored at.
 */
static inline u32 batadv_choose_orig(const void *data, u32 size)
{
	u32 hash = 0;

	hash = jhash(data, ETH_ALEN, hash);
	return hash % size;
}

struct batadv_orig_node *
batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data);

#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */
Commit	Line	Data
7db7d9f3	1	/* SPDX-License-Identifier: GPL-2.0 */
7a79d717	2	/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
c6c8fea2 SE	3	*
c6c8fea2 SE	4	* Marek Lindner, Simon Wunderlich
c6c8fea2 SE	5	*/
	6
	7	#ifndef _NET_BATMAN_ADV_ORIGINATOR_H_
	8	#define _NET_BATMAN_ADV_ORIGINATOR_H_
	9
1e2c2a4f SE	10	#include "main.h"
1e2c2a4f SE	11
1e2c2a4f SE	12	#include <linux/compiler.h>
	13	#include <linux/if_ether.h>
	14	#include <linux/jhash.h>
68a600de SE	15	#include <linux/netlink.h>
	16	#include <linux/seq_file.h>
	17	#include <linux/skbuff.h>
1e2c2a4f SE	18	#include <linux/types.h>
1e2c2a4f SE	19
4b426b10	20	bool batadv_compare_orig(const struct hlist_node node, const void data2);
56303d34 SE	21	int batadv_originator_init(struct batadv_priv *bat_priv);
	22	void batadv_originator_free(struct batadv_priv *bat_priv);
	23	void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
5d967310	24	void batadv_orig_node_put(struct batadv_orig_node *orig_node);
bbad0a5e	25	struct batadv_orig_node batadv_orig_node_new(struct batadv_priv bat_priv,
6b5e971a	26	const u8 *addr);
cef63419 ML	27	struct batadv_hardif_neigh_node *
	28	batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
	29	const u8 *neigh_addr);
	30	void
accadc35	31	batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh);
56303d34	32	struct batadv_neigh_node *
6f0a6b5e ML	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);
25bb2509	36	void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node);
56303d34	37	struct batadv_neigh_node *
7351a482 SW	38	batadv_orig_router_get(struct batadv_orig_node *orig_node,
7351a482 SW	39	const struct batadv_hard_iface *if_outgoing);
89652331 SW	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);
044fa3ae	46	void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo);
7351a482	47
85cf8c85	48	int batadv_hardif_neigh_dump(struct sk_buff msg, struct netlink_callback cb);
7587405a ML	49	int batadv_hardif_neigh_seq_print_text(struct seq_file seq, void offset);
7587405a ML	50
7351a482 SW	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);
35f94779	57	void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo);
7351a482	58
7d211efc	59	int batadv_orig_seq_print_text(struct seq_file seq, void offset);
85cf8c85	60	int batadv_orig_dump(struct sk_buff msg, struct netlink_callback cb);
cb1c92ec	61	int batadv_orig_hardif_seq_print_text(struct seq_file seq, void offset);
7ea7b4a1 AQ	62	struct batadv_orig_node_vlan *
	63	batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
	64	unsigned short vid);
	65	struct batadv_orig_node_vlan *
	66	batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
	67	unsigned short vid);
21754e25	68	void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan);
c6c8fea2	69
e57acf8e SE	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.
9cfc7bd6	77	*/
6b5e971a	78	static inline u32 batadv_choose_orig(const void *data, u32 size)
c6c8fea2	79	{
6b5e971a	80	u32 hash = 0;
c6c8fea2	81
36fd61cb	82	hash = jhash(data, ETH_ALEN, hash);
c6c8fea2 SE	83	return hash % size;
	84	}
	85
3326afe6 DV	86	struct batadv_orig_node *
3326afe6 DV	87	batadv_orig_hash_find(struct batadv_priv bat_priv, const void data);
7aadf889	88
c6c8fea2	89	#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */