/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 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/kref.h>
#include <linux/netlink.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_release(struct kref *ref);
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_release(struct kref *ref);
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_release(struct kref *ref);
struct batadv_neigh_node *
batadv_orig_router_get(struct batadv_orig_node *orig_node,
const struct batadv_hard_iface *if_outgoing);
struct batadv_neigh_node *
batadv_orig_to_router(struct batadv_priv *bat_priv, u8 *orig_addr,
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_release(struct kref *ref);
int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
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_release(struct kref *ref);
int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
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_release(struct kref *ref);
/**
* 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);
/**
* batadv_orig_node_vlan_put ( ) - decrement the refcounter and possibly release
* the originator - vlan object
* @ orig_vlan : the originator - vlan object to release
*/
static inline void
batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan)
{
if (!orig_vlan)
return ;
kref_put(&orig_vlan->refcount, batadv_orig_node_vlan_release);
}
/**
* batadv_neigh_ifinfo_put ( ) - decrement the refcounter and possibly release
* the neigh_ifinfo
* @ neigh_ifinfo : the neigh_ifinfo object to release
*/
static inline void
batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo)
{
if (!neigh_ifinfo)
return ;
kref_put(&neigh_ifinfo->refcount, batadv_neigh_ifinfo_release);
}
/**
* batadv_hardif_neigh_put ( ) - decrement the hardif neighbors refcounter
* and possibly release it
* @ hardif_neigh : hardif neigh neighbor to free
*/
static inline void
batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh)
{
if (!hardif_neigh)
return ;
kref_put(&hardif_neigh->refcount, batadv_hardif_neigh_release);
}
/**
* batadv_neigh_node_put ( ) - decrement the neighbors refcounter and possibly
* release it
* @ neigh_node : neigh neighbor to free
*/
static inline void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node)
{
if (!neigh_node)
return ;
kref_put(&neigh_node->refcount, batadv_neigh_node_release);
}
/**
* batadv_orig_ifinfo_put ( ) - decrement the refcounter and possibly release
* the orig_ifinfo
* @ orig_ifinfo : the orig_ifinfo object to release
*/
static inline void
batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo)
{
if (!orig_ifinfo)
return ;
kref_put(&orig_ifinfo->refcount, batadv_orig_ifinfo_release);
}
/**
* batadv_orig_node_put ( ) - decrement the orig node refcounter and possibly
* release it
* @ orig_node : the orig node to free
*/
static inline void batadv_orig_node_put(struct batadv_orig_node *orig_node)
{
if (!orig_node)
return ;
kref_put(&orig_node->refcount, batadv_orig_node_release);
}
#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */
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