1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef NET_COMPAT_H
 3#define NET_COMPAT_H
 4
 5
 6struct sock;
 7
 8#if defined(CONFIG_COMPAT)
 9
10#include <linux/compat.h>
11
12struct compat_msghdr {
13	compat_uptr_t	msg_name;	/* void * */
14	compat_int_t	msg_namelen;
15	compat_uptr_t	msg_iov;	/* struct compat_iovec * */
16	compat_size_t	msg_iovlen;
17	compat_uptr_t	msg_control;	/* void * */
18	compat_size_t	msg_controllen;
19	compat_uint_t	msg_flags;
20};
21
22struct compat_mmsghdr {
23	struct compat_msghdr msg_hdr;
24	compat_uint_t        msg_len;
25};
26
27struct compat_cmsghdr {
28	compat_size_t	cmsg_len;
29	compat_int_t	cmsg_level;
30	compat_int_t	cmsg_type;
31};
32
 
 
 
33#else /* defined(CONFIG_COMPAT) */
34/*
35 * To avoid compiler warnings:
36 */
37#define compat_msghdr	msghdr
38#define compat_mmsghdr	mmsghdr
39#endif /* defined(CONFIG_COMPAT) */
40
41int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
42		      struct sockaddr __user **, struct iovec **);
43struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval);
 
 
 
 
 
 
 
 
 
 
 
44int put_cmsg_compat(struct msghdr*, int, int, int, void *);
45
46int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
47				     unsigned char *, int);
48
49int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
50			 int (*)(struct sock *, int, int, char __user *,
51				 unsigned int));
52int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *,
53			 int (*)(struct sock *, int, int, char __user *,
54				 int __user *));
55
56#endif /* 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 */