include/net/compat.h

   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 */