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gerrit-public.fairphone.software / kernel / msm-4.9 / a18e08bdcf845efb7344cea146e683df746bbfb4 / . / include / net / compat.h
blob: 6e9565324989dd0ad4eb92809af943f61055a047 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1#ifndef NET_COMPAT_H
2#define NET_COMPAT_H
3
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]4
Andrew Morton29f767a2006-05-30 21:27:18 -0700[diff] [blame]5struct sock;
6
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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
Arnaldo Carvalho de Meloa2e27252009-10-12 23:40:10 -0700[diff] [blame]21struct compat_mmsghdr {
22 struct compat_msghdr msg_hdr;
23 compat_uint_t msg_len;
24};
25
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]26struct compat_cmsghdr {
27 compat_size_t cmsg_len;
28 compat_int_t cmsg_level;
29 compat_int_t cmsg_type;
30};
31
Shaun Pereiraf0ac2612006-03-21 23:59:39 -0800[diff] [blame]32extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
Eric Dumazetae40eb12007-03-18 17:33:16 -0700[diff] [blame]33extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
Shaun Pereiraf0ac2612006-03-21 23:59:39 -0800[diff] [blame]34
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]35#else /* defined(CONFIG_COMPAT) */
Arnaldo Carvalho de Melo74887972009-10-20 01:09:17 -0700[diff] [blame]36/*
37 * To avoid compiler warnings:
38 */
39#define compat_msghdr msghdr
40#define compat_mmsghdr mmsghdr
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]41#endif /* defined(CONFIG_COMPAT) */
42
43extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
Maciej Żenczykowski43db3622012-03-11 12:51:50 +0000[diff] [blame]44extern int verify_compat_iovec(struct msghdr *, struct iovec *, struct sockaddr_storage *, int);
Eric Dumazet95c96172012-04-15 05:58:06 +0000[diff] [blame]45extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned int);
Anton Blanchard228e5482011-05-02 20:21:35 +0000[diff] [blame]46extern asmlinkage long compat_sys_sendmmsg(int, struct compat_mmsghdr __user *,
Eric Dumazet95c96172012-04-15 05:58:06 +0000[diff] [blame]47 unsigned int, unsigned int);
48extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned int);
Arnaldo Carvalho de Meloa2e27252009-10-12 23:40:10 -0700[diff] [blame]49extern asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,
Eric Dumazet95c96172012-04-15 05:58:06 +0000[diff] [blame]50 unsigned int, unsigned int,
Heiko Carstens60c2ffd2009-12-09 20:58:16 +0000[diff] [blame]51 struct compat_timespec __user *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]52extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
53extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
David S. Millere50ef9332005-09-08 12:32:46 -0700[diff] [blame]54
David S. Millere50ef9332005-09-08 12:32:46 -0700[diff] [blame]55extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]56
David S. Millerb7058842009-09-30 16:12:20 -0700[diff] [blame]57extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
58 int (*)(struct sock *, int, int, char __user *, unsigned int));
David L Stevens42908c62008-04-29 03:23:22 -0700[diff] [blame]59extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,
60 int __user *, int (*)(struct sock *, int, int, char __user *,
61 int __user *));
David L Stevensdae50292008-04-27 01:06:07 -0700[diff] [blame]62
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]63#endif /* NET_COMPAT_H */