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
  32int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
  33int 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
  43int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
  44                      struct sockaddr __user **, struct iovec **);
  45struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval);
  46asmlinkage long compat_sys_sendmsg(int, struct compat_msghdr __user *,
  47                                   unsigned int);
  48asmlinkage long compat_sys_sendmmsg(int, struct compat_mmsghdr __user *,
  49                                    unsigned int, unsigned int);
  50asmlinkage long compat_sys_recvmsg(int, struct compat_msghdr __user *,
  51                                   unsigned int);
  52asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,
  53                                    unsigned int, unsigned int,
  54                                    struct compat_timespec __user *);
  55asmlinkage long compat_sys_getsockopt(int, int, int, char __user *,
  56                                      int __user *);
  57int put_cmsg_compat(struct msghdr*, int, int, int, void *);
  58
  59int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
  60                                     unsigned char *, int);
  61
  62int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
  63                         int (*)(struct sock *, int, int, char __user *,
  64                                 unsigned int));
  65int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *,
  66                         int (*)(struct sock *, int, int, char __user *,
  67                                 int __user *));
  68
  69#endif /* NET_COMPAT_H */
  70