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/types.h> 16 17 struct netlink_callback; 18 struct seq_file; 19 struct sk_buff; 20 21 bool batadv_compare_orig(const struct hlist_node *node, const void *data2); 22 int batadv_originator_init(struct batadv_priv *bat_priv); 23 void batadv_originator_free(struct batadv_priv *bat_priv); 24 void batadv_purge_orig_ref(struct batadv_priv *bat_priv); 25 void batadv_orig_node_put(struct batadv_orig_node *orig_node); 26 struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv, 27 const u8 *addr); 28 struct batadv_hardif_neigh_node * 29 batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface, 30 const u8 *neigh_addr); 31 void 32 batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh); 33 struct batadv_neigh_node * 34 batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node, 35 struct batadv_hard_iface *hard_iface, 36 const u8 *neigh_addr); 37 void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node); 38 struct batadv_neigh_node * 39 batadv_orig_router_get(struct batadv_orig_node *orig_node, 40 const struct batadv_hard_iface *if_outgoing); 41 struct batadv_neigh_ifinfo * 42 batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh, 43 struct batadv_hard_iface *if_outgoing); 44 struct batadv_neigh_ifinfo * 45 batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh, 46 struct batadv_hard_iface *if_outgoing); 47 void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo); 48 49 int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb); 50 int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset); 51 52 struct batadv_orig_ifinfo * 53 batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node, 54 struct batadv_hard_iface *if_outgoing); 55 struct batadv_orig_ifinfo * 56 batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node, 57 struct batadv_hard_iface *if_outgoing); 58 void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo); 59 60 int batadv_orig_seq_print_text(struct seq_file *seq, void *offset); 61 int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb); 62 int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset); 63 struct batadv_orig_node_vlan * 64 batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node, 65 unsigned short vid); 66 struct batadv_orig_node_vlan * 67 batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node, 68 unsigned short vid); 69 void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan); 70 71 /** 72 * batadv_choose_orig() - Return the index of the orig entry in the hash table 73 * @data: mac address of the originator node 74 * @size: the size of the hash table 75 * 76 * Return: the hash index where the object represented by @data should be 77 * stored at. 78 */ 79 static inline u32 batadv_choose_orig(const void *data, u32 size) 80 { 81 u32 hash = 0; 82 83 hash = jhash(data, ETH_ALEN, hash); 84 return hash % size; 85 } 86 87 struct batadv_orig_node * 88 batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data); 89 90 #endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */ 91