[mirror_ubuntu-bionic-kernel.git] / include / net / compat.h

#ifndef NET_COMPAT_H
#define NET_COMPAT_H


struct sock;

#if defined(CONFIG_COMPAT)

#include <linux/compat.h>

struct compat_msghdr {
	compat_uptr_t	msg_name;	/* void * */
	compat_int_t	msg_namelen;
	compat_uptr_t	msg_iov;	/* struct compat_iovec * */
	compat_size_t	msg_iovlen;
	compat_uptr_t	msg_control;	/* void * */
	compat_size_t	msg_controllen;
	compat_uint_t	msg_flags;
};

struct compat_cmsghdr {
	compat_size_t	cmsg_len;
	compat_int_t	cmsg_level;
	compat_int_t	cmsg_type;
};

extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);

#else /* defined(CONFIG_COMPAT) */
#define compat_msghdr	msghdr		/* to avoid compiler warnings */
#endif /* defined(CONFIG_COMPAT) */

extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
extern int verify_compat_iovec(struct msghdr *, struct iovec *, char *, int);
extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);

extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);

#endif /* NET_COMPAT_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef NET_COMPAT_H
	2	#define NET_COMPAT_H
	3
1da177e4	4
29f767a2 AM	5	struct sock;
29f767a2 AM	6
1da177e4 LT	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
f0ac2614 SP	27	extern int compat_sock_get_timestamp(struct sock , struct timeval __user );
f0ac2614 SP	28
1da177e4 LT	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 );
e50ef933	39
e50ef933	40	extern int cmsghdr_from_user_compat_to_kern(struct msghdr , struct sock , unsigned char *, int);
1da177e4 LT	41
1da177e4 LT	42	#endif /* NET_COMPAT_H */