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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2015-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#ifndef _WG_SOCKET_H
#define _WG_SOCKET_H
#include <linux/netdevice.h>
#include <linux/udp.h>
#include <linux/if_vlan.h>
#include <linux/if_ether.h>
int socket_init(struct wireguard_device *wg, u16 port);
void socket_reinit(struct wireguard_device *wg, struct sock *new4,
struct sock *new6);
int socket_send_buffer_to_peer(struct wireguard_peer *peer, void *data,
size_t len, u8 ds);
int socket_send_skb_to_peer(struct wireguard_peer *peer, struct sk_buff *skb,
u8 ds);
int socket_send_buffer_as_reply_to_skb(struct wireguard_device *wg,
struct sk_buff *in_skb, void *out_buffer,
size_t len);
int socket_endpoint_from_skb(struct endpoint *endpoint,
const struct sk_buff *skb);
void socket_set_peer_endpoint(struct wireguard_peer *peer,
const struct endpoint *endpoint);
void socket_set_peer_endpoint_from_skb(struct wireguard_peer *peer,
const struct sk_buff *skb);
void socket_clear_peer_endpoint_src(struct wireguard_peer *peer);
#if defined(CONFIG_DYNAMIC_DEBUG) || defined(DEBUG)
#define net_dbg_skb_ratelimited(fmt, dev, skb, ...) do { \
struct endpoint __endpoint; \
socket_endpoint_from_skb(&__endpoint, skb); \
net_dbg_ratelimited(fmt, dev, &__endpoint.addr, \
##__VA_ARGS__); \
} while (0)
#else
#define net_dbg_skb_ratelimited(fmt, skb, ...)
#endif
#endif /* _WG_SOCKET_H */
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