/* 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 **);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 {	__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 */