[mirror_ubuntu-jammy-kernel.git] / include / net / compat.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef NET_COMPAT_H
#define NET_COMPAT_H


struct sock;

#if defined(CONFIG_COMPAT)

#include <linux/compat.h>

struct compat_msghdr {
	compat_uptr_t	msg_name;	/* void * */
	compat_int_t	msg_namelen;
	compat_uptr_t	msg_iov;	/* struct compat_iovec * */
	compat_size_t	msg_iovlen;
	compat_uptr_t	msg_control;	/* void * */
	compat_size_t	msg_controllen;
	compat_uint_t	msg_flags;
};

struct compat_mmsghdr {
	struct compat_msghdr msg_hdr;
	compat_uint_t        msg_len;
};

struct compat_cmsghdr {
	compat_size_t	cmsg_len;
	compat_int_t	cmsg_level;
	compat_int_t	cmsg_type;
};

struct compat_rtentry {
	u32		rt_pad1;
	struct sockaddr rt_dst;         /* target address               */
	struct sockaddr rt_gateway;     /* gateway addr (RTF_GATEWAY)   */
	struct sockaddr rt_genmask;     /* target network mask (IP)     */
	unsigned short	rt_flags;
	short		rt_pad2;
	u32		rt_pad3;
	unsigned char	rt_tos;
	unsigned char	rt_class;
	short		rt_pad4;
	short		rt_metric;      /* +1 for binary compatibility! */
	compat_uptr_t	rt_dev;         /* forcing the device at add    */
	u32		rt_mtu;         /* per route MTU/Window         */
	u32		rt_window;      /* Window clamping              */
	unsigned short  rt_irtt;        /* Initial RTT                  */
};

#else /* defined(CONFIG_COMPAT) */
/*
 * To avoid compiler warnings:
 */
#define compat_msghdr	msghdr
#define compat_mmsghdr	mmsghdr
#endif /* defined(CONFIG_COMPAT) */

int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg,
			struct sockaddr __user **save_addr, compat_uptr_t *ptr,
			compat_size_t *len);
int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
		      struct sockaddr __user **, struct iovec **);
struct sock_fprog __user *get_compat_bpf_fprog(char __user *optval);
int put_cmsg_compat(struct msghdr*, int, int, int, void *);

int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
				     unsigned char *, int);

int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
			 int (*)(struct sock *, int, int, char __user *,
				 unsigned int));
int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *,
			 int (*)(struct sock *, int, int, char __user *,
				 int __user *));

struct compat_group_req {
	__u32				 gr_interface;
	struct __kernel_sockaddr_storage gr_group
		__aligned(4);
} __packed;

struct compat_group_source_req {
	__u32				 gsr_interface;
	struct __kernel_sockaddr_storage gsr_group
		__aligned(4);
	struct __kernel_sockaddr_storage gsr_source
		__aligned(4);
} __packed;

struct compat_group_filter {
	__u32				 gf_interface;
	struct __kernel_sockaddr_storage gf_group
		__aligned(4);
	__u32				 gf_fmode;
	__u32				 gf_numsrc;
	struct __kernel_sockaddr_storage gf_slist[1]
		__aligned(4);
} __packed;

#endif /* NET_COMPAT_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef NET_COMPAT_H
	3	#define NET_COMPAT_H
	4
1da177e4	5
29f767a2 AM	6	struct sock;
29f767a2 AM	7
1da177e4 LT	8	#if defined(CONFIG_COMPAT)
	9
	10	#include <linux/compat.h>
	11
	12	struct 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
a2e27255 ACM	22	struct compat_mmsghdr {
	23	struct compat_msghdr msg_hdr;
	24	compat_uint_t msg_len;
	25	};
	26
1da177e4 LT	27	struct compat_cmsghdr {
	28	compat_size_t cmsg_len;
	29	compat_int_t cmsg_level;
	30	compat_int_t cmsg_type;
dc13c876 CH	31	};
	32
	33	struct 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 */
1da177e4 LT	49	};
	50
	51	#else /* defined(CONFIG_COMPAT) */
74887977 ACM	52	/*
	53	* To avoid compiler warnings:
	54	*/
	55	#define compat_msghdr msghdr
	56	#define compat_mmsghdr mmsghdr
1da177e4 LT	57	#endif /* defined(CONFIG_COMPAT) */
1da177e4 LT	58
0a384abf JA	59	int __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);
da184284	62	int get_compat_msghdr(struct msghdr , struct compat_msghdr __user ,
08adb7da	63	struct sockaddr __user , struct iovec );
719c44d3	64	struct sock_fprog __user get_compat_bpf_fprog(char __user optval);
e8d895a4 JP	65	int put_cmsg_compat(struct msghdr, int, int, int, void );
	66
	67	int cmsghdr_from_user_compat_to_kern(struct msghdr , struct sock ,
	68	unsigned char *, int);
	69
	70	int compat_mc_setsockopt(struct sock , int, int, char __user , unsigned int,
	71	int ()(struct sock , int, int, char __user *,
	72	unsigned int));
	73	int compat_mc_getsockopt(struct sock , int, int, char __user , int __user *,
	74	int ()(struct sock , int, int, char __user *,
	75	int __user *));
dae50295	76
63287de6 AV	77	struct compat_group_req {
	78	__u32 gr_interface;
	79	struct __kernel_sockaddr_storage gr_group
	80	__aligned(4);
	81	} __packed;
	82
	83	struct compat_group_source_req {
	84	__u32 gsr_interface;
	85	struct __kernel_sockaddr_storage gsr_group
	86	__aligned(4);
	87	struct __kernel_sockaddr_storage gsr_source
	88	__aligned(4);
	89	} __packed;
	90
	91	struct compat_group_filter {
	92	__u32 gf_interface;
	93	struct __kernel_sockaddr_storage gf_group
	94	__aligned(4);
	95	__u32 gf_fmode;
	96	__u32 gf_numsrc;
	97	struct __kernel_sockaddr_storage gf_slist[1]
	98	__aligned(4);
	99	} __packed;
	100
1da177e4	101	#endif /* NET_COMPAT_H */