LXR linux/include/net/compat.h

   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_mmsghdr {
  22        struct compat_msghdr msg_hdr;
  23        compat_uint_t        msg_len;
  24};
  25
  26struct compat_cmsghdr {
  27        compat_size_t   cmsg_len;
  28        compat_int_t    cmsg_level;
  29        compat_int_t    cmsg_type;
  30};
  31
  32extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
  33extern 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
  43extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
  44extern int verify_compat_iovec(struct msghdr *, struct iovec *, struct sockaddr *, int);
  45extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
  46extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
  47extern asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,
  48                                           unsigned, unsigned,
  49                                           struct compat_timespec __user *);
  50extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
  51extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
  52
  53extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
  54
  55extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
  56        int (*)(struct sock *, int, int, char __user *, unsigned int));
  57extern 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 */
  62