xref: /linux/include/net/compat.h (revision f3d9478b2ce468c3115b02ecae7e975990697f15)
1 #ifndef NET_COMPAT_H
2 #define NET_COMPAT_H
3 
4 
5 struct sock;
6 
7 #if defined(CONFIG_COMPAT)
8 
9 #include <linux/compat.h>
10 
11 struct 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 
21 struct compat_cmsghdr {
22 	compat_size_t	cmsg_len;
23 	compat_int_t	cmsg_level;
24 	compat_int_t	cmsg_type;
25 };
26 
27 extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
28 
29 #else /* defined(CONFIG_COMPAT) */
30 #define compat_msghdr	msghdr		/* to avoid compiler warnings */
31 #endif /* defined(CONFIG_COMPAT) */
32 
33 extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
34 extern int verify_compat_iovec(struct msghdr *, struct iovec *, char *, int);
35 extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
36 extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
37 extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
38 extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
39 
40 extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
41 
42 #endif /* NET_COMPAT_H */
43