1
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;
14 compat_int_t msg_namelen;
15 compat_uptr_t msg_iov;
16 compat_size_t msg_iovlen;
17 compat_uptr_t msg_control;
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
37
38
39
40#define compat_msghdr msghdr
41#define compat_mmsghdr mmsghdr
42#endif
43
44int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg,
45 struct sockaddr __user **save_addr, compat_uptr_t *ptr,
46 compat_size_t *len);
47int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
48 struct sockaddr __user **, struct iovec **);
49struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval);
50int put_cmsg_compat(struct msghdr*, int, int, int, void *);
51
52int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
53 unsigned char *, int);
54
55int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
56 int (*)(struct sock *, int, int, char __user *,
57 unsigned int));
58int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *,
59 int (*)(struct sock *, int, int, char __user *,
60 int __user *));
61
62#endif
63