/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI__LINUX_IF_ADDR_H
#define _UAPI__LINUX_IF_ADDR_H

#include <linux/types.h>
#include <linux/netlink.h>

struct ifaddrmsg {
	__u8		ifa_family;
	__u8		ifa_prefixlen;	
	__u8		ifa_flags;	
	__u8		ifa_scope;	
	__u32		ifa_index;	
};


enum {
	IFA_UNSPEC,
	IFA_ADDRESS,
	IFA_LOCAL,
	IFA_LABEL,
	IFA_BROADCAST,
	IFA_ANYCAST,
	IFA_CACHEINFO,
	IFA_MULTICAST,
	IFA_FLAGS,
	IFA_RT_PRIORITY,	
	IFA_TARGET_NETNSID,
	IFA_PROTO,		
	__IFA_MAX,
};

#define IFA_MAX (__IFA_MAX - 1)


#define IFA_F_SECONDARY		0x01
#define IFA_F_TEMPORARY		IFA_F_SECONDARY

#define	IFA_F_NODAD		0x02
#define IFA_F_OPTIMISTIC	0x04
#define IFA_F_DADFAILED		0x08
#define	IFA_F_HOMEADDRESS	0x10
#define IFA_F_DEPRECATED	0x20
#define IFA_F_TENTATIVE		0x40
#define IFA_F_PERMANENT		0x80
#define IFA_F_MANAGETEMPADDR	0x100
#define IFA_F_NOPREFIXROUTE	0x200
#define IFA_F_MCAUTOJOIN	0x400
#define IFA_F_STABLE_PRIVACY	0x800

struct ifa_cacheinfo {
	__u32	ifa_prefered;
	__u32	ifa_valid;
	__u32	cstamp; 
	__u32	tstamp; 
};


#ifndef __KERNEL__
#define IFA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))
#endif


#define IFAPROT_UNSPEC		0
#define IFAPROT_KERNEL_LO	1	
#define IFAPROT_KERNEL_RA	2	
#define IFAPROT_KERNEL_LL	3	

#endif
