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_mmsghdr {
  22         struct compat_msghdr msg_hdr;
  23         compat_uint_t        msg_len;
  24 };
  25
  26 struct compat_cmsghdr {
  27         compat_size_t   cmsg_len;
  28         compat_int_t    cmsg_level;
  29         compat_int_t    cmsg_type;
  30 };
  31
  32 extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
  33 extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
  34
  35 #else /* defined(CONFIG_COMPAT) */
  36 /*
  37  * To avoid compiler warnings:
  38  */
  39 #define compat_msghdr   msghdr
  40 #define compat_mmsghdr  mmsghdr
  41 #endif /* defined(CONFIG_COMPAT) */
  42
  43 extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
  44 extern int verify_compat_iovec(struct msghdr *, struct iovec *, struct sockaddr *, int);
  45 extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
  46 extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
  47 extern asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,
  48                                            unsigned, unsigned,
  49                                            struct compat_timespec __user *);
  50 extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
  51 extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
  52
  53 extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
  54
  55 extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
  56         int (*)(struct sock *, int, int, char __user *, unsigned int));
  57 extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,
  58         int __user *, int (*)(struct sock *, int, int, char __user *,
  59                                 int __user *));
  60
  61 #endif /* NET_COMPAT_H */