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/* Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
#ifndef PACKETS_H
#define PACKETS_H
#include "noise.h"
#include "messages.h"
#include "socket.h"
#include <linux/types.h>
#include <linux/padata.h>
struct wireguard_device;
struct wireguard_peer;
struct sk_buff;
struct packet_cb {
u64 nonce;
u8 ds;
};
#define PACKET_CB(skb) ((struct packet_cb *)skb->cb)
/* receive.c */
void packet_receive(struct wireguard_device *wg, struct sk_buff *skb);
void packet_process_queued_handshake_packets(struct work_struct *work);
void packet_consume_data_done(struct sk_buff *skb, struct wireguard_peer *peer, struct endpoint *endpoint, bool used_new_key);
/* send.c */
void packet_send_queue(struct wireguard_peer *peer);
void packet_send_keepalive(struct wireguard_peer *peer);
void packet_queue_handshake_initiation(struct wireguard_peer *peer);
void packet_send_queued_handshakes(struct work_struct *work);
void packet_send_handshake_response(struct wireguard_peer *peer);
void packet_send_handshake_cookie(struct wireguard_device *wg, struct sk_buff *initiating_skb, __le32 sender_index);
void packet_create_data_done(struct sk_buff_head *queue, struct wireguard_peer *peer);
/* data.c */
int packet_create_data(struct sk_buff_head *queue, struct wireguard_peer *peer);
void packet_consume_data(struct sk_buff *skb, struct wireguard_device *wg);
#ifdef CONFIG_WIREGUARD_PARALLEL
int packet_init_data_caches(void);
void packet_deinit_data_caches(void);
#endif
#ifdef DEBUG
bool packet_counter_selftest(void);
#endif
#endif
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