net: Add compat support for getsockopt (MCAST_MSFILTER)
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / 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_cmsghdr {
22 compat_size_t cmsg_len;
23 compat_int_t cmsg_level;
24 compat_int_t cmsg_type;
25 };
26
27 extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
28 extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
29
30 #else /* defined(CONFIG_COMPAT) */
31 #define compat_msghdr msghdr /* to avoid compiler warnings */
32 #endif /* defined(CONFIG_COMPAT) */
33
34 extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
35 extern int verify_compat_iovec(struct msghdr *, struct iovec *, char *, int);
36 extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
37 extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
38 extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
39 extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
40
41 extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
42
43 extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, int,
44 int (*)(struct sock *, int, int, char __user *, int));
45 extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,
46 int __user *, int (*)(struct sock *, int, int, char __user *,
47 int __user *));
48
49 #endif /* NET_COMPAT_H */