17db7d9f3SSven Eckelmann /* SPDX-License-Identifier: GPL-2.0 */ 2cfa55c6dSSven Eckelmann /* Copyright (C) B.A.T.M.A.N. contributors: 3c6c8fea2SSven Eckelmann * 435c133a0SAntonio Quartulli * Marek Lindner, Simon Wunderlich, Antonio Quartulli 5c6c8fea2SSven Eckelmann */ 6c6c8fea2SSven Eckelmann 7c6c8fea2SSven Eckelmann #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ 8c6c8fea2SSven Eckelmann #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ 9c6c8fea2SSven Eckelmann 101e2c2a4fSSven Eckelmann #include "main.h" 111e2c2a4fSSven Eckelmann 12*6340dcbdSSven Eckelmann #include <linux/kref.h> 1368a600deSSven Eckelmann #include <linux/netdevice.h> 1468a600deSSven Eckelmann #include <linux/netlink.h> 1568a600deSSven Eckelmann #include <linux/skbuff.h> 161e2c2a4fSSven Eckelmann #include <linux/types.h> 171e2c2a4fSSven Eckelmann 1856303d34SSven Eckelmann int batadv_tt_init(struct batadv_priv *bat_priv); 196b5e971aSSven Eckelmann bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, 206b5e971aSSven Eckelmann unsigned short vid, int ifindex, u32 mark); 216b5e971aSSven Eckelmann u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, 226b5e971aSSven Eckelmann const u8 *addr, unsigned short vid, 23c018ad3dSAntonio Quartulli const char *message, bool roaming); 24d34f0550SMatthias Schiffer int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb); 25d34f0550SMatthias Schiffer int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb); 2656303d34SSven Eckelmann void batadv_tt_global_del_orig(struct batadv_priv *bat_priv, 2756303d34SSven Eckelmann struct batadv_orig_node *orig_node, 286b5e971aSSven Eckelmann s32 match_vid, const char *message); 2932e72744SLinus Lüssing struct batadv_tt_global_entry * 3032e72744SLinus Lüssing batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr, 3132e72744SLinus Lüssing unsigned short vid); 32*6340dcbdSSven Eckelmann void batadv_tt_global_entry_release(struct kref *ref); 331d8ab8d3SLinus Lüssing int batadv_tt_global_hash_count(struct batadv_priv *bat_priv, 346b5e971aSSven Eckelmann const u8 *addr, unsigned short vid); 3556303d34SSven Eckelmann struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv, 366b5e971aSSven Eckelmann const u8 *src, const u8 *addr, 37c018ad3dSAntonio Quartulli unsigned short vid); 3856303d34SSven Eckelmann void batadv_tt_free(struct batadv_priv *bat_priv); 396b5e971aSSven Eckelmann bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr, 40c018ad3dSAntonio Quartulli unsigned short vid); 416b5e971aSSven Eckelmann bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst, 426b5e971aSSven Eckelmann unsigned short vid); 43e1bf0c14SMarek Lindner void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv); 4456303d34SSven Eckelmann bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv, 456b5e971aSSven Eckelmann u8 *addr, unsigned short vid); 467c1fd91dSAntonio Quartulli bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv, 476b5e971aSSven Eckelmann u8 *addr, unsigned short vid); 48a19d3d85SMarek Lindner void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface); 4930cfd02bSAntonio Quartulli bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv, 5030cfd02bSAntonio Quartulli struct batadv_orig_node *orig_node, 51c018ad3dSAntonio Quartulli const unsigned char *addr, 52c018ad3dSAntonio Quartulli unsigned short vid); 5342cb0befSAntonio Quartulli bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv, 546b5e971aSSven Eckelmann const u8 *addr, unsigned short vid); 55c6c8fea2SSven Eckelmann 5686452f81SSven Eckelmann int batadv_tt_cache_init(void); 5786452f81SSven Eckelmann void batadv_tt_cache_destroy(void); 5886452f81SSven Eckelmann 59*6340dcbdSSven Eckelmann /** 60*6340dcbdSSven Eckelmann * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and 61*6340dcbdSSven Eckelmann * possibly release it 62*6340dcbdSSven Eckelmann * @tt_global_entry: tt_global_entry to be free'd 63*6340dcbdSSven Eckelmann */ 64*6340dcbdSSven Eckelmann static inline void 65*6340dcbdSSven Eckelmann batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry) 66*6340dcbdSSven Eckelmann { 67*6340dcbdSSven Eckelmann if (!tt_global_entry) 68*6340dcbdSSven Eckelmann return; 69*6340dcbdSSven Eckelmann 70*6340dcbdSSven Eckelmann kref_put(&tt_global_entry->common.refcount, 71*6340dcbdSSven Eckelmann batadv_tt_global_entry_release); 72*6340dcbdSSven Eckelmann } 73*6340dcbdSSven Eckelmann 74c6c8fea2SSven Eckelmann #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */ 75