linux/include/net/handshake.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Generic netlink HANDSHAKE service.
 *
 * Author: Chuck Lever <[email protected]>
 *
 * Copyright (c) 2023, Oracle and/or its affiliates.
 */

#ifndef _NET_HANDSHAKE_H
#define _NET_HANDSHAKE_H

enum { … };

tls_done_func_t;

struct tls_handshake_args { … };

int tls_client_hello_anon(const struct tls_handshake_args *args, gfp_t flags);
int tls_client_hello_x509(const struct tls_handshake_args *args, gfp_t flags);
int tls_client_hello_psk(const struct tls_handshake_args *args, gfp_t flags);
int tls_server_hello_x509(const struct tls_handshake_args *args, gfp_t flags);
int tls_server_hello_psk(const struct tls_handshake_args *args, gfp_t flags);

bool tls_handshake_cancel(struct sock *sk);
void tls_handshake_close(struct socket *sock);

u8 tls_get_record_type(const struct sock *sk, const struct cmsghdr *msg);
void tls_alert_recv(const struct sock *sk, const struct msghdr *msg,
		    u8 *level, u8 *description);

#endif /* _NET_HANDSHAKE_H */