1#ifndef NET_COMPAT_H
2#define NET_COMPAT_H
3
4
5struct sock;
6
7#if defined(CONFIG_COMPAT)
8
9#include <linux/compat.h>
10
11struct compat_msghdr {
12	compat_uptr_t	msg_name;	/* void * */
13	compat_int_t	msg_namelen;
14	compat_uptr_t	msg_iov;	/* struct compat_iovec * */
15	compat_size_t	msg_iovlen;
16	compat_uptr_t	msg_control;	/* void * */
17	compat_size_t	msg_controllen;
18	compat_uint_t	msg_flags;
19};
20
21struct compat_mmsghdr {
22	struct compat_msghdr msg_hdr;
23	compat_uint_t        msg_len;
24};
25
26struct compat_cmsghdr {
27	compat_size_t	cmsg_len;
28	compat_int_t	cmsg_level;
29	compat_int_t	cmsg_type;
30};
31
32int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
33int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
34
35#else /* defined(CONFIG_COMPAT) */
36/*
37 * To avoid compiler warnings:
38 */
39#define compat_msghdr	msghdr
40#define compat_mmsghdr	mmsghdr
41#endif /* defined(CONFIG_COMPAT) */
42
43int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
44		      struct sockaddr __user **, struct iovec **);
45asmlinkage long compat_sys_sendmsg(int, struct compat_msghdr __user *,
46				   unsigned int);
47asmlinkage long compat_sys_sendmmsg(int, struct compat_mmsghdr __user *,
48				    unsigned int, unsigned int);
49asmlinkage long compat_sys_recvmsg(int, struct compat_msghdr __user *,
50				   unsigned int);
51asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,
52				    unsigned int, unsigned int,
53				    struct compat_timespec __user *);
54asmlinkage long compat_sys_getsockopt(int, int, int, char __user *,
55				      int __user *);
56int put_cmsg_compat(struct msghdr*, int, int, int, void *);
57
58int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
59				     unsigned char *, int);
60
61int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
62			 int (*)(struct sock *, int, int, char __user *,
63				 unsigned int));
64int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *,
65			 int (*)(struct sock *, int, int, char __user *,
66				 int __user *));
67
68#endif /* NET_COMPAT_H */
69