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
32extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
33extern int 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
43extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
44extern int verify_compat_iovec(struct msghdr *, struct iovec *, struct sockaddr *, int);
45extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
46extern asmlinkage long compat_sys_sendmmsg(int, struct compat_mmsghdr __user *,
47					   unsigned, unsigned);
48extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
49extern asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,
50					   unsigned, unsigned,
51					   struct compat_timespec __user *);
52extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
53extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
54
55extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
56
57extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
58	int (*)(struct sock *, int, int, char __user *, unsigned int));
59extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,
60	int __user *, int (*)(struct sock *, int, int, char __user *,
61				int __user *));
62
63#endif /* NET_COMPAT_H */

 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
32extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
33extern int 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
43extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
44extern int verify_compat_iovec(struct msghdr *, struct iovec *, struct sockaddr_storage *, int);
45extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned int);
46extern asmlinkage long compat_sys_sendmmsg(int, struct compat_mmsghdr __user *,
47					   unsigned int, unsigned int);
48extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned int);
49extern asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,
50					   unsigned int, unsigned int,
51					   struct compat_timespec __user *);
52extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
53extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
54
55extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
56
57extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
58	int (*)(struct sock *, int, int, char __user *, unsigned int));
59extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,
60	int __user *, int (*)(struct sock *, int, int, char __user *,
61				int __user *));
62
63#endif /* NET_COMPAT_H */