1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Generic netlink HANDSHAKE service.
5 * Author: Chuck Lever <chuck.lever@oracle.com>
7 * Copyright (c) 2023, Oracle and/or its affiliates.
10 #ifndef _NET_HANDSHAKE_H
11 #define _NET_HANDSHAKE_H
20 typedef void (*tls_done_func_t)(void *data, int status,
23 struct tls_handshake_args {
24 struct socket *ta_sock;
25 tls_done_func_t ta_done;
27 const char *ta_peername;
28 unsigned int ta_timeout_ms;
29 key_serial_t ta_keyring;
30 key_serial_t ta_my_cert;
31 key_serial_t ta_my_privkey;
32 unsigned int ta_num_peerids;
33 key_serial_t ta_my_peerids[5];
36 int tls_client_hello_anon(const struct tls_handshake_args *args, gfp_t flags);
37 int tls_client_hello_x509(const struct tls_handshake_args *args, gfp_t flags);
38 int tls_client_hello_psk(const struct tls_handshake_args *args, gfp_t flags);
39 int tls_server_hello_x509(const struct tls_handshake_args *args, gfp_t flags);
40 int tls_server_hello_psk(const struct tls_handshake_args *args, gfp_t flags);
42 bool tls_handshake_cancel(struct sock *sk);
43 void tls_handshake_close(struct socket *sock);
45 u8 tls_get_record_type(const struct sock *sk, const struct cmsghdr *msg);
46 void tls_alert_recv(const struct sock *sk, const struct msghdr *msg,
47 u8 *level, u8 *description);
49 #endif /* _NET_HANDSHAKE_H */