/* 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_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_ */