/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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*/
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#ifndef _WG_SOCKET_H
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#define _WG_SOCKET_H
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#include <linux/netdevice.h>
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#include <linux/udp.h>
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#include <linux/if_vlan.h>
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#include <linux/if_ether.h>
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int wg_socket_init(struct wg_device *wg, u16 port);
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void wg_socket_reinit(struct wg_device *wg, struct sock *new4,
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struct sock *new6);
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int wg_socket_send_buffer_to_peer(struct wg_peer *peer, void *data,
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size_t len, u8 ds);
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int wg_socket_send_skb_to_peer(struct wg_peer *peer, struct sk_buff *skb,
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u8 ds);
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int wg_socket_send_buffer_as_reply_to_skb(struct wg_device *wg,
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struct sk_buff *in_skb,
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void *out_buffer, size_t len);
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int wg_socket_endpoint_from_skb(struct endpoint *endpoint,
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const struct sk_buff *skb);
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void wg_socket_set_peer_endpoint(struct wg_peer *peer,
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const struct endpoint *endpoint);
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void wg_socket_set_peer_endpoint_from_skb(struct wg_peer *peer,
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const struct sk_buff *skb);
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void wg_socket_clear_peer_endpoint_src(struct wg_peer *peer);
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#if defined(CONFIG_DYNAMIC_DEBUG) || defined(DEBUG)
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#define net_dbg_skb_ratelimited(fmt, dev, skb, ...) do { \
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struct endpoint __endpoint; \
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wg_socket_endpoint_from_skb(&__endpoint, skb); \
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net_dbg_ratelimited(fmt, dev, &__endpoint.addr, \
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##__VA_ARGS__); \
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} while (0)
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#else
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#define net_dbg_skb_ratelimited(fmt, skb, ...)
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#endif
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#endif /* _WG_SOCKET_H */
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