Linux kernel mirror (for testing)
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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
33#else /* defined(CONFIG_COMPAT) */
34/*
35 * To avoid compiler warnings:
36 */
37#define compat_msghdr msghdr
38#define compat_mmsghdr mmsghdr
39#endif /* defined(CONFIG_COMPAT) */
40
41int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
42 struct sockaddr __user **, struct iovec **);
43struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval);
44int put_cmsg_compat(struct msghdr*, int, int, int, void *);
45
46int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
47 unsigned char *, int);
48
49int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
50 int (*)(struct sock *, int, int, char __user *,
51 unsigned int));
52int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *,
53 int (*)(struct sock *, int, int, char __user *,
54 int __user *));
55
56#endif /* NET_COMPAT_H */