include/net/compat.h

   1 #ifndef NET_COMPAT_H
   2 #define NET_COMPAT_H
   3
   4 #include <linux/config.h>
   5
   6 #if defined(CONFIG_COMPAT)
   7
   8 #include <linux/compat.h>
   9
  10 struct compat_msghdr {
  11         compat_uptr_t   msg_name;       /* void * */
  12         compat_int_t    msg_namelen;
  13         compat_uptr_t   msg_iov;        /* struct compat_iovec * */
  14         compat_size_t   msg_iovlen;
  15         compat_uptr_t   msg_control;    /* void * */
  16         compat_size_t   msg_controllen;
  17         compat_uint_t   msg_flags;
  18 };
  19
  20 struct compat_cmsghdr {
  21         compat_size_t   cmsg_len;
  22         compat_int_t    cmsg_level;
  23         compat_int_t    cmsg_type;
  24 };
  25
  26 #else /* defined(CONFIG_COMPAT) */
  27 #define compat_msghdr   msghdr          /* to avoid compiler warnings */
  28 #endif /* defined(CONFIG_COMPAT) */
  29
  30 extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
  31 extern int verify_compat_iovec(struct msghdr *, struct iovec *, char *, int);
  32 extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
  33 extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
  34 extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
  35 extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
  36
  37 struct sock;
  38 extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
  39
  40 #endif /* NET_COMPAT_H */