| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors: |
| 3 | * |
| 4 | * Marek Lindner, Simon Wunderlich |
| 5 | */ |
| 6 | |
| 7 | #ifndef _NET_BATMAN_ADV_ORIGINATOR_H_ |
| 8 | #define _NET_BATMAN_ADV_ORIGINATOR_H_ |
| 9 | |
| 10 | #include "main.h" |
| 11 | |
| 12 | #include <linux/compiler.h> |
| 13 | #include <linux/if_ether.h> |
| 14 | #include <linux/jhash.h> |
| 15 | #include <linux/netlink.h> |
| 16 | #include <linux/seq_file.h> |
| 17 | #include <linux/skbuff.h> |
| 18 | #include <linux/types.h> |
| 19 | |
| 20 | bool batadv_compare_orig(const struct hlist_node *node, const void *data2); |
| 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); |
| 24 | void batadv_orig_node_put(struct batadv_orig_node *orig_node); |
| 25 | struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv, |
| 26 | const u8 *addr); |
| 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 |
| 31 | batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh); |
| 32 | struct batadv_neigh_node * |
| 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); |
| 36 | void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node); |
| 37 | struct batadv_neigh_node * |
| 38 | batadv_orig_router_get(struct batadv_orig_node *orig_node, |
| 39 | const struct batadv_hard_iface *if_outgoing); |
| 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); |
| 46 | void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo); |
| 47 | |
| 48 | int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb); |
| 49 | int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset); |
| 50 | |
| 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); |
| 57 | void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo); |
| 58 | |
| 59 | int batadv_orig_seq_print_text(struct seq_file *seq, void *offset); |
| 60 | int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb); |
| 61 | int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset); |
| 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); |
| 68 | void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan); |
| 69 | |
| 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. |
| 77 | */ |
| 78 | static inline u32 batadv_choose_orig(const void *data, u32 size) |
| 79 | { |
| 80 | u32 hash = 0; |
| 81 | |
| 82 | hash = jhash(data, ETH_ALEN, hash); |
| 83 | return hash % size; |
| 84 | } |
| 85 | |
| 86 | struct batadv_orig_node * |
| 87 | batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data); |
| 88 | |
| 89 | #endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */ |