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
32extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
33extern 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
43extern int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *);
44extern int verify_compat_iovec(struct msghdr *, struct iovec *, struct sockaddr *, int);
45extern asmlinkage long compat_sys_sendmsg(int,struct compat_msghdr __user *,unsigned);
46extern asmlinkage long compat_sys_sendmmsg(int, struct compat_mmsghdr __user *,
47					   unsigned, unsigned);
48extern asmlinkage long compat_sys_recvmsg(int,struct compat_msghdr __user *,unsigned);
49extern asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,
50					   unsigned, unsigned,
51					   struct compat_timespec __user *);
52extern asmlinkage long compat_sys_getsockopt(int, int, int, char __user *, int __user *);
53extern int put_cmsg_compat(struct msghdr*, int, int, int, void *);
54
55extern int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *, unsigned char *, int);
56
57extern int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
58	int (*)(struct sock *, int, int, char __user *, unsigned int));
59extern int compat_mc_getsockopt(struct sock *, int, int, char __user *,
60	int __user *, int (*)(struct sock *, int, int, char __user *,
61				int __user *));
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
62
63#endif /* NET_COMPAT_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef NET_COMPAT_H
 3#define NET_COMPAT_H
 4
 5
 6struct sock;
 7
 
 
 8#include <linux/compat.h>
 9
10struct compat_msghdr {
11	compat_uptr_t	msg_name;	/* void * */
12	compat_int_t	msg_namelen;
13	compat_uptr_t	msg_iov;	/* struct compat_iovec * */
14	compat_size_t	msg_iovlen;
15	compat_uptr_t	msg_control;	/* void * */
16	compat_size_t	msg_controllen;
17	compat_uint_t	msg_flags;
18};
19
20struct compat_mmsghdr {
21	struct compat_msghdr msg_hdr;
22	compat_uint_t        msg_len;
23};
24
25struct compat_cmsghdr {
26	compat_size_t	cmsg_len;
27	compat_int_t	cmsg_level;
28	compat_int_t	cmsg_type;
29};
30
31struct compat_rtentry {
32	u32		rt_pad1;
33	struct sockaddr rt_dst;         /* target address               */
34	struct sockaddr rt_gateway;     /* gateway addr (RTF_GATEWAY)   */
35	struct sockaddr rt_genmask;     /* target network mask (IP)     */
36	unsigned short	rt_flags;
37	short		rt_pad2;
38	u32		rt_pad3;
39	unsigned char	rt_tos;
40	unsigned char	rt_class;
41	short		rt_pad4;
42	short		rt_metric;      /* +1 for binary compatibility! */
43	compat_uptr_t	rt_dev;         /* forcing the device at add    */
44	u32		rt_mtu;         /* per route MTU/Window         */
45	u32		rt_window;      /* Window clamping              */
46	unsigned short  rt_irtt;        /* Initial RTT                  */
47};
48
49int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr *msg,
50			struct sockaddr __user **save_addr);
51int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
52		      struct sockaddr __user **, struct iovec **);
53int put_cmsg_compat(struct msghdr*, int, int, int, void *);
54
55int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
56				     unsigned char *, int);
57
58struct compat_group_req {
59	__u32				 gr_interface;
60	struct __kernel_sockaddr_storage gr_group
61		__aligned(4);
62} __packed;
63
64struct compat_group_source_req {
65	__u32				 gsr_interface;
66	struct __kernel_sockaddr_storage gsr_group
67		__aligned(4);
68	struct __kernel_sockaddr_storage gsr_source
69		__aligned(4);
70} __packed;
71
72struct compat_group_filter {
73	union {
74		struct {
75			__u32				 gf_interface_aux;
76			struct __kernel_sockaddr_storage gf_group_aux
77				__aligned(4);
78			__u32				 gf_fmode_aux;
79			__u32				 gf_numsrc_aux;
80			struct __kernel_sockaddr_storage gf_slist[1]
81				__aligned(4);
82		} __packed;
83		struct {
84			__u32				 gf_interface;
85			struct __kernel_sockaddr_storage gf_group
86				__aligned(4);
87			__u32				 gf_fmode;
88			__u32				 gf_numsrc;
89			struct __kernel_sockaddr_storage gf_slist_flex[]
90				__aligned(4);
91		} __packed;
92	};
93} __packed;
94
95#endif /* NET_COMPAT_H */