1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (C) 2007-2020 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_ */ 90