1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
4 */
5
6#ifndef _WG_SOCKET_H
7#define _WG_SOCKET_H
8
9#include <linux/netdevice.h>
10#include <linux/udp.h>
11#include <linux/if_vlan.h>
12#include <linux/if_ether.h>
13
14int wg_socket_init(struct wg_device *wg, u16 port);
15void wg_socket_reinit(struct wg_device *wg, struct sock *new4,
16		      struct sock *new6);
17int wg_socket_send_buffer_to_peer(struct wg_peer *peer, void *data,
18				  size_t len, u8 ds);
19int wg_socket_send_skb_to_peer(struct wg_peer *peer, struct sk_buff *skb,
20			       u8 ds);
21int wg_socket_send_buffer_as_reply_to_skb(struct wg_device *wg,
22					  struct sk_buff *in_skb,
23					  void *out_buffer, size_t len);
24
25int wg_socket_endpoint_from_skb(struct endpoint *endpoint,
26				const struct sk_buff *skb);
27void wg_socket_set_peer_endpoint(struct wg_peer *peer,
28				 const struct endpoint *endpoint);
29void wg_socket_set_peer_endpoint_from_skb(struct wg_peer *peer,
30					  const struct sk_buff *skb);
31void wg_socket_clear_peer_endpoint_src(struct wg_peer *peer);
32
33#if defined(CONFIG_DYNAMIC_DEBUG) || defined(DEBUG)
34#define net_dbg_skb_ratelimited(fmt, dev, skb, ...) do {                       \
35		struct endpoint __endpoint;                                    \
36		wg_socket_endpoint_from_skb(&__endpoint, skb);                 \
37		net_dbg_ratelimited(fmt, dev, &__endpoint.addr,                \
38				    ##__VA_ARGS__);                            \
39	} while (0)
40#else
41#define net_dbg_skb_ratelimited(fmt, skb, ...)
42#endif
43
44#endif /* _WG_SOCKET_H */
45