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