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
33struct compat_rtentry {
34	u32		rt_pad1;
35	struct sockaddr rt_dst;         /* target address               */
36	struct sockaddr rt_gateway;     /* gateway addr (RTF_GATEWAY)   */
37	struct sockaddr rt_genmask;     /* target network mask (IP)     */
38	unsigned short	rt_flags;
39	short		rt_pad2;
40	u32		rt_pad3;
41	unsigned char	rt_tos;
42	unsigned char	rt_class;
43	short		rt_pad4;
44	short		rt_metric;      /* +1 for binary compatibility! */
45	compat_uptr_t	rt_dev;         /* forcing the device at add    */
46	u32		rt_mtu;         /* per route MTU/Window         */
47	u32		rt_window;      /* Window clamping              */
48	unsigned short  rt_irtt;        /* Initial RTT                  */
49};
50
51#else /* defined(CONFIG_COMPAT) */
52/*
53 * To avoid compiler warnings:
54 */
55#define compat_msghdr	msghdr
56#define compat_mmsghdr	mmsghdr
57#endif /* defined(CONFIG_COMPAT) */
58
59int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg,
60			struct sockaddr __user **save_addr, compat_uptr_t *ptr,
61			compat_size_t *len);
62int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
63		      struct sockaddr __user **, struct iovec **);
64int put_cmsg_compat(struct msghdr*, int, int, int, void *);
65
66int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
67				     unsigned char *, int);
68
69struct compat_group_req {
70	__u32				 gr_interface;
71	struct __kernel_sockaddr_storage gr_group
72		__aligned(4);
73} __packed;
74
75struct compat_group_source_req {
76	__u32				 gsr_interface;
77	struct __kernel_sockaddr_storage gsr_group
78		__aligned(4);
79	struct __kernel_sockaddr_storage gsr_source
80		__aligned(4);
81} __packed;
82
83struct compat_group_filter {
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[1]
90		__aligned(4);
91} __packed;
92
93#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 __user *umsg,
50			struct sockaddr __user **save_addr, compat_uptr_t *ptr,
51			compat_size_t *len);
52int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
53		      struct sockaddr __user **, struct iovec **);
54int put_cmsg_compat(struct msghdr*, int, int, int, void *);
55
56int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
57				     unsigned char *, int);
58
59struct compat_group_req {
60	__u32				 gr_interface;
61	struct __kernel_sockaddr_storage gr_group
62		__aligned(4);
63} __packed;
64
65struct compat_group_source_req {
66	__u32				 gsr_interface;
67	struct __kernel_sockaddr_storage gsr_group
68		__aligned(4);
69	struct __kernel_sockaddr_storage gsr_source
70		__aligned(4);
71} __packed;
72
73struct compat_group_filter {
74	__u32				 gf_interface;
75	struct __kernel_sockaddr_storage gf_group
76		__aligned(4);
77	__u32				 gf_fmode;
78	__u32				 gf_numsrc;
79	struct __kernel_sockaddr_storage gf_slist[1]
80		__aligned(4);
81} __packed;
82
83#endif /* NET_COMPAT_H */