linux/include/net/compat.h
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   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_cmsghdr {
  22        compat_size_t   cmsg_len;
  23        compat_int_t    cmsg_level;
  24        compat_int_t    cmsg_type;
  25};
  26
  27extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
  28extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
  29
  30#else /* defined(CONFIG_COMPAT) */
  31#define compat_msghdr   msghdr          /* to avoid compiler warnings */
  32#endif /* defined(CONFIG_COMPAT) */
  33
  34extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
  35extern int verify_compat_iovec(struct msghdr *, struct iovec *, struct sockaddr *, int);
  36extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
  37extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
  38extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
  39extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
  40
  41extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
  42
  43extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
  44        int (*)(struct sock *, int, int, char __user *, unsigned int));
  45extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,
  46        int __user *, int (*)(struct sock *, int, int, char __user *,
  47                                int __user *));
  48
  49#endif /* NET_COMPAT_H */
  50