1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (C) B.A.T.M.A.N. contributors: 3 * 4 * Marek Lindner, Simon Wunderlich, Antonio Quartulli 5 */ 6 7 #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ 8 #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ 9 10 #include "main.h" 11 12 #include <linux/kref.h> 13 #include <linux/netdevice.h> 14 #include <linux/netlink.h> 15 #include <linux/skbuff.h> 16 #include <linux/types.h> 17 18 int batadv_tt_init(struct batadv_priv *bat_priv); 19 bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, 20 unsigned short vid, int ifindex, u32 mark); 21 u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, 22 const u8 *addr, unsigned short vid, 23 const char *message, bool roaming); 24 int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb); 25 int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb); 26 void batadv_tt_global_del_orig(struct batadv_priv *bat_priv, 27 struct batadv_orig_node *orig_node, 28 s32 match_vid, const char *message); 29 struct batadv_tt_global_entry * 30 batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr, 31 unsigned short vid); 32 void batadv_tt_global_entry_release(struct kref *ref); 33 int batadv_tt_global_hash_count(struct batadv_priv *bat_priv, 34 const u8 *addr, unsigned short vid); 35 struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv, 36 const u8 *src, const u8 *addr, 37 unsigned short vid); 38 void batadv_tt_free(struct batadv_priv *bat_priv); 39 bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr, 40 unsigned short vid); 41 bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst, 42 unsigned short vid); 43 void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv); 44 bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv, 45 u8 *addr, unsigned short vid); 46 bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv, 47 u8 *addr, unsigned short vid); 48 void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface); 49 bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv, 50 struct batadv_orig_node *orig_node, 51 const unsigned char *addr, 52 unsigned short vid); 53 bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv, 54 const u8 *addr, unsigned short vid); 55 56 int batadv_tt_cache_init(void); 57 void batadv_tt_cache_destroy(void); 58 59 /** 60 * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and 61 * possibly release it 62 * @tt_global_entry: tt_global_entry to be free'd 63 */ 64 static inline void 65 batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry) 66 { 67 if (!tt_global_entry) 68 return; 69 70 kref_put(&tt_global_entry->common.refcount, 71 batadv_tt_global_entry_release); 72 } 73 74 #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */ 75