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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/include/net/compat.h
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#ifndef NET_COMPAT_H

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#define NET_COMPAT_H

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struct sock;

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#if defined(CONFIG_COMPAT)

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#include <linux/compat.h>

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struct compat_msghdr {

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	compat_uptr_t	msg_name;	/* void * */

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	compat_int_t	msg_namelen;

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	compat_uptr_t	msg_iov;	/* struct compat_iovec * */

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	compat_size_t	msg_iovlen;

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	compat_uptr_t	msg_control;	/* void * */

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	compat_size_t	msg_controllen;

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	compat_uint_t	msg_flags;

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};

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struct compat_mmsghdr {

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	struct compat_msghdr msg_hdr;

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	compat_uint_t        msg_len;

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};

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struct compat_cmsghdr {

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	compat_size_t	cmsg_len;

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	compat_int_t	cmsg_level;

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	compat_int_t	cmsg_type;

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};

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

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extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *);

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#else /* defined(CONFIG_COMPAT) */

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/*

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 * To avoid compiler warnings:

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 */

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#define compat_msghdr	msghdr

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#define compat_mmsghdr	mmsghdr

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#endif /* defined(CONFIG_COMPAT) */

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extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);

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extern int verify_compat_iovec(struct msghdr *, struct iovec *, struct sockaddr *, int);

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extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);

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extern asmlinkage long compat_sys_sendmmsg(int, struct compat_mmsghdr __user *,

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					   unsigned, unsigned);

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extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);

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extern asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,

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					   unsigned, unsigned,

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					   struct compat_timespec __user *);

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extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);

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extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);

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

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extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,

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	int (*)(struct sock *, int, int, char __user *, unsigned int));

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extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,

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	int __user *, int (*)(struct sock *, int, int, char __user *,

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				int __user *));

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#endif /* NET_COMPAT_H */

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