/* SPDX-License-Identifier: GPL-2.0 */#ifndef NET_COMPAT_H#define NET_COMPAT_H  struct sock; #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                  */}; int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr *msg,			struct sockaddr __user **save_addr);int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,		      struct sockaddr __user **, struct iovec **);int put_cmsg_compat(struct msghdr*, int, int, int, void *); int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,				     unsigned char *, int); 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 {	union {		struct {			__u32				 gf_interface_aux;			struct __kernel_sockaddr_storage gf_group_aux				__aligned(4);			__u32				 gf_fmode_aux;			__u32				 gf_numsrc_aux;			struct __kernel_sockaddr_storage gf_slist[1]				__aligned(4);		} __packed;		struct {			__u32				 gf_interface;			struct __kernel_sockaddr_storage gf_group				__aligned(4);			__u32				 gf_fmode;			__u32				 gf_numsrc;			struct __kernel_sockaddr_storage gf_slist_flex[]				__aligned(4);		} __packed;	};} __packed; #endif /* NET_COMPAT_H */