1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef NET_COMPAT_H
3#define NET_COMPAT_H
4
5
6struct sock;
7
8#if defined(CONFIG_COMPAT)
9
10#include <linux/compat.h>
11
12struct compat_msghdr {
13 compat_uptr_t msg_name; /* void * */
14 compat_int_t msg_namelen;
15 compat_uptr_t msg_iov; /* struct compat_iovec * */
16 compat_size_t msg_iovlen;
17 compat_uptr_t msg_control; /* void * */
18 compat_size_t msg_controllen;
19 compat_uint_t msg_flags;
20};
21
22struct compat_mmsghdr {
23 struct compat_msghdr msg_hdr;
24 compat_uint_t msg_len;
25};
26
27struct compat_cmsghdr {
28 compat_size_t cmsg_len;
29 compat_int_t cmsg_level;
30 compat_int_t cmsg_type;
31};
32
33int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
34int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
35
36#else /* defined(CONFIG_COMPAT) */
37/*
38 * To avoid compiler warnings:
39 */
40#define compat_msghdr msghdr
41#define compat_mmsghdr mmsghdr
42#endif /* defined(CONFIG_COMPAT) */
43
44int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
45 struct sockaddr __user **, struct iovec **);
46struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval);
47int put_cmsg_compat(struct msghdr*, int, int, int, void *);
48
49int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
50 unsigned char *, int);
51
52int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
53 int (*)(struct sock *, int, int, char __user *,
54 unsigned int));
55int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *,
56 int (*)(struct sock *, int, int, char __user *,
57 int __user *));
58
59#endif /* NET_COMPAT_H */
60