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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef NET_COMPAT_H
2#define NET_COMPAT_H
3
Linus Torvalds1da177e2005-04-16 15:20:36 -07004
Andrew Morton29f767a2006-05-30 21:27:18 -07005struct sock;
6
Linus Torvalds1da177e2005-04-16 15:20:36 -07007#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
Arnaldo Carvalho de Meloa2e27252009-10-12 23:40:10 -070021struct compat_mmsghdr {
22 struct compat_msghdr msg_hdr;
23 compat_uint_t msg_len;
24};
25
Linus Torvalds1da177e2005-04-16 15:20:36 -070026struct compat_cmsghdr {
27 compat_size_t cmsg_len;
28 compat_int_t cmsg_level;
29 compat_int_t cmsg_type;
30};
31
Joe Perchese8d895a2013-09-20 11:23:18 -070032int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
33int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
Shaun Pereiraf0ac2612006-03-21 23:59:39 -080034
Linus Torvalds1da177e2005-04-16 15:20:36 -070035#else /* defined(CONFIG_COMPAT) */
Arnaldo Carvalho de Melo74887972009-10-20 01:09:17 -070036/*
37 * To avoid compiler warnings:
38 */
39#define compat_msghdr msghdr
40#define compat_mmsghdr mmsghdr
Linus Torvalds1da177e2005-04-16 15:20:36 -070041#endif /* defined(CONFIG_COMPAT) */
42
Al Viroda184282015-03-21 19:29:06 -040043int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
Al Viro08adb7d2014-11-10 20:23:13 -050044 struct sockaddr __user **, struct iovec **);
Willem de Bruijn719c44d2016-06-07 12:06:34 -040045struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval);
Joe Perchese8d895a2013-09-20 11:23:18 -070046asmlinkage 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 *);
David S. Millere50ef9332005-09-08 12:32:46 -070058
Joe Perchese8d895a2013-09-20 11:23:18 -070059int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
60 unsigned char *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -070061
Joe Perchese8d895a2013-09-20 11:23:18 -070062int 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 *));
David L Stevensdae50292008-04-27 01:06:07 -070068
Linus Torvalds1da177e2005-04-16 15:20:36 -070069#endif /* NET_COMPAT_H */