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Diffstat (limited to 'net/batman-adv/originator.h')
| -rw-r--r-- | net/batman-adv/originator.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h new file mode 100644 index 000000000..3b3f59b88 --- /dev/null +++ b/net/batman-adv/originator.h @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors: + * + * Marek Lindner, Simon Wunderlich + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#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/types.h> + +struct netlink_callback; +struct seq_file; +struct sk_buff; + +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); +int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface, + unsigned int max_if_num); +int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface, + unsigned int max_if_num); +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_ */ |