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/* Copyright 2015-2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
#ifndef PEER_H
#define PEER_H
#include "wireguard.h"
#include "noise.h"
#include "cookie.h"
#include <linux/types.h>
#include <linux/netfilter.h>
#include <linux/spinlock.h>
#include <linux/kref.h>
struct wireguard_peer {
struct wireguard_device *device;
struct sockaddr_storage endpoint_addr;
struct dst_entry *endpoint_dst;
union {
struct flowi4 fl4;
struct flowi6 fl6;
} endpoint_flow;
rwlock_t endpoint_lock;
struct noise_handshake handshake;
struct noise_keypairs keypairs;
uint64_t last_sent_handshake;
struct work_struct transmit_handshake_work, clear_peer_work;
struct cookie latest_cookie;
struct hlist_node pubkey_hash;
uint64_t rx_bytes, tx_bytes;
struct timer_list timer_retransmit_handshake, timer_send_keepalive, timer_new_handshake, timer_kill_ephemerals, timer_persistent_keepalive;
unsigned int timer_handshake_attempts;
unsigned long persistent_keepalive_interval;
bool timer_need_another_keepalive;
struct timeval walltime_last_handshake;
struct sk_buff_head tx_packet_queue;
struct kref refcount;
struct rcu_head rcu;
struct list_head peer_list;
uint64_t internal_id;
};
struct wireguard_peer *peer_create(struct wireguard_device *wg, const u8 public_key[static NOISE_PUBLIC_KEY_LEN]);
struct wireguard_peer *peer_get(struct wireguard_peer *peer);
void peer_put(struct wireguard_peer *peer);
void peer_remove(struct wireguard_peer *peer);
void peer_remove_all(struct wireguard_device *wg);
struct wireguard_peer *peer_lookup_by_index(struct wireguard_device *wg, u32 index);
int peer_for_each_unlocked(struct wireguard_device *wg, int (*fn)(struct wireguard_peer *peer, void *ctx), void *data);
int peer_for_each(struct wireguard_device *wg, int (*fn)(struct wireguard_peer *peer, void *ctx), void *data);
unsigned int peer_total_count(struct wireguard_device *wg);
#endif
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