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167 lines
4.9 KiB
167 lines
4.9 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* Copyright (C) B.A.T.M.A.N. contributors: |
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* |
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* Marek Lindner, Simon Wunderlich |
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*/ |
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#ifndef _NET_BATMAN_ADV_ORIGINATOR_H_ |
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#define _NET_BATMAN_ADV_ORIGINATOR_H_ |
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#include "main.h" |
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#include <linux/compiler.h> |
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#include <linux/if_ether.h> |
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#include <linux/jhash.h> |
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#include <linux/kref.h> |
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#include <linux/netlink.h> |
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#include <linux/skbuff.h> |
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#include <linux/types.h> |
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bool batadv_compare_orig(const struct hlist_node *node, const void *data2); |
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int batadv_originator_init(struct batadv_priv *bat_priv); |
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void batadv_originator_free(struct batadv_priv *bat_priv); |
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void batadv_purge_orig_ref(struct batadv_priv *bat_priv); |
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void batadv_orig_node_release(struct kref *ref); |
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struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv, |
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const u8 *addr); |
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struct batadv_hardif_neigh_node * |
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batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface, |
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const u8 *neigh_addr); |
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void batadv_hardif_neigh_release(struct kref *ref); |
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struct batadv_neigh_node * |
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batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node, |
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struct batadv_hard_iface *hard_iface, |
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const u8 *neigh_addr); |
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void batadv_neigh_node_release(struct kref *ref); |
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struct batadv_neigh_node * |
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batadv_orig_router_get(struct batadv_orig_node *orig_node, |
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const struct batadv_hard_iface *if_outgoing); |
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struct batadv_neigh_ifinfo * |
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batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh, |
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struct batadv_hard_iface *if_outgoing); |
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struct batadv_neigh_ifinfo * |
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batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh, |
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struct batadv_hard_iface *if_outgoing); |
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void batadv_neigh_ifinfo_release(struct kref *ref); |
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int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb); |
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struct batadv_orig_ifinfo * |
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batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node, |
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struct batadv_hard_iface *if_outgoing); |
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struct batadv_orig_ifinfo * |
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batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node, |
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struct batadv_hard_iface *if_outgoing); |
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void batadv_orig_ifinfo_release(struct kref *ref); |
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int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb); |
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struct batadv_orig_node_vlan * |
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batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node, |
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unsigned short vid); |
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struct batadv_orig_node_vlan * |
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batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node, |
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unsigned short vid); |
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void batadv_orig_node_vlan_release(struct kref *ref); |
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/** |
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* batadv_choose_orig() - Return the index of the orig entry in the hash table |
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* @data: mac address of the originator node |
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* @size: the size of the hash table |
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* |
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* Return: the hash index where the object represented by @data should be |
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* stored at. |
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*/ |
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static inline u32 batadv_choose_orig(const void *data, u32 size) |
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{ |
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u32 hash = 0; |
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hash = jhash(data, ETH_ALEN, hash); |
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return hash % size; |
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} |
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struct batadv_orig_node * |
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batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data); |
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/** |
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* batadv_orig_node_vlan_put() - decrement the refcounter and possibly release |
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* the originator-vlan object |
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* @orig_vlan: the originator-vlan object to release |
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*/ |
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static inline void |
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batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan) |
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{ |
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if (!orig_vlan) |
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return; |
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kref_put(&orig_vlan->refcount, batadv_orig_node_vlan_release); |
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} |
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/** |
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* batadv_neigh_ifinfo_put() - decrement the refcounter and possibly release |
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* the neigh_ifinfo |
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* @neigh_ifinfo: the neigh_ifinfo object to release |
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*/ |
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static inline void |
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batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo) |
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{ |
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if (!neigh_ifinfo) |
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return; |
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kref_put(&neigh_ifinfo->refcount, batadv_neigh_ifinfo_release); |
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} |
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/** |
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* batadv_hardif_neigh_put() - decrement the hardif neighbors refcounter |
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* and possibly release it |
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* @hardif_neigh: hardif neigh neighbor to free |
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*/ |
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static inline void |
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batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh) |
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{ |
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if (!hardif_neigh) |
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return; |
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kref_put(&hardif_neigh->refcount, batadv_hardif_neigh_release); |
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} |
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/** |
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* batadv_neigh_node_put() - decrement the neighbors refcounter and possibly |
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* release it |
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* @neigh_node: neigh neighbor to free |
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*/ |
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static inline void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node) |
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{ |
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if (!neigh_node) |
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return; |
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kref_put(&neigh_node->refcount, batadv_neigh_node_release); |
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} |
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/** |
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* batadv_orig_ifinfo_put() - decrement the refcounter and possibly release |
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* the orig_ifinfo |
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* @orig_ifinfo: the orig_ifinfo object to release |
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*/ |
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static inline void |
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batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo) |
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{ |
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if (!orig_ifinfo) |
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return; |
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kref_put(&orig_ifinfo->refcount, batadv_orig_ifinfo_release); |
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} |
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/** |
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* batadv_orig_node_put() - decrement the orig node refcounter and possibly |
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* release it |
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* @orig_node: the orig node to free |
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*/ |
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static inline void batadv_orig_node_put(struct batadv_orig_node *orig_node) |
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{ |
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if (!orig_node) |
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return; |
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kref_put(&orig_node->refcount, batadv_orig_node_release); |
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} |
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#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */
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