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

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

struct ndmsg {
	__u8		ndm_family;
	__u8		ndm_pad1;
	__u16		ndm_pad2;
	__s32		ndm_ifindex;
	__u16		ndm_state;
	__u8		ndm_flags;
	__u8		ndm_type;
};

enum {
	NDA_UNSPEC,
	NDA_DST,
	NDA_LLADDR,
	NDA_CACHEINFO,
	NDA_PROBES,
	NDA_VLAN,
	NDA_PORT,
	NDA_VNI,
	NDA_IFINDEX,
	NDA_MASTER,
	NDA_LINK_NETNSID,
	NDA_SRC_VNI,
	NDA_PROTOCOL,  
	NDA_NH_ID,
	NDA_FDB_EXT_ATTRS,
	NDA_FLAGS_EXT,
	NDA_NDM_STATE_MASK,
	NDA_NDM_FLAGS_MASK,
	__NDA_MAX
};

#define NDA_MAX (__NDA_MAX - 1)



#define NTF_USE		(1 << 0)
#define NTF_SELF	(1 << 1)
#define NTF_MASTER	(1 << 2)
#define NTF_PROXY	(1 << 3)	
#define NTF_EXT_LEARNED	(1 << 4)
#define NTF_OFFLOADED   (1 << 5)
#define NTF_STICKY	(1 << 6)
#define NTF_ROUTER	(1 << 7)

#define NTF_EXT_MANAGED	(1 << 0)



#define NUD_INCOMPLETE	0x01
#define NUD_REACHABLE	0x02
#define NUD_STALE	0x04
#define NUD_DELAY	0x08
#define NUD_PROBE	0x10
#define NUD_FAILED	0x20


#define NUD_NOARP	0x40
#define NUD_PERMANENT	0x80
#define NUD_NONE	0x00



struct nda_cacheinfo {
	__u32		ndm_confirmed;
	__u32		ndm_used;
	__u32		ndm_updated;
	__u32		ndm_refcnt;
};



struct ndt_stats {
	__u64		ndts_allocs;
	__u64		ndts_destroys;
	__u64		ndts_hash_grows;
	__u64		ndts_res_failed;
	__u64		ndts_lookups;
	__u64		ndts_hits;
	__u64		ndts_rcv_probes_mcast;
	__u64		ndts_rcv_probes_ucast;
	__u64		ndts_periodic_gc_runs;
	__u64		ndts_forced_gc_runs;
	__u64		ndts_table_fulls;
};

enum {
	NDTPA_UNSPEC,
	NDTPA_IFINDEX,			
	NDTPA_REFCNT,			
	NDTPA_REACHABLE_TIME,		
	NDTPA_BASE_REACHABLE_TIME,	
	NDTPA_RETRANS_TIME,		
	NDTPA_GC_STALETIME,		
	NDTPA_DELAY_PROBE_TIME,		
	NDTPA_QUEUE_LEN,		
	NDTPA_APP_PROBES,		
	NDTPA_UCAST_PROBES,		
	NDTPA_MCAST_PROBES,		
	NDTPA_ANYCAST_DELAY,		
	NDTPA_PROXY_DELAY,		
	NDTPA_PROXY_QLEN,		
	NDTPA_LOCKTIME,			
	NDTPA_QUEUE_LENBYTES,		
	NDTPA_MCAST_REPROBES,		
	NDTPA_PAD,
	NDTPA_INTERVAL_PROBE_TIME_MS,	
	__NDTPA_MAX
};
#define NDTPA_MAX (__NDTPA_MAX - 1)

struct ndtmsg {
	__u8		ndtm_family;
	__u8		ndtm_pad1;
	__u16		ndtm_pad2;
};

struct ndt_config {
	__u16		ndtc_key_len;
	__u16		ndtc_entry_size;
	__u32		ndtc_entries;
	__u32		ndtc_last_flush;	
	__u32		ndtc_last_rand;		
	__u32		ndtc_hash_rnd;
	__u32		ndtc_hash_mask;
	__u32		ndtc_hash_chain_gc;
	__u32		ndtc_proxy_qlen;
};

enum {
	NDTA_UNSPEC,
	NDTA_NAME,			
	NDTA_THRESH1,			
	NDTA_THRESH2,			
	NDTA_THRESH3,			
	NDTA_CONFIG,			
	NDTA_PARMS,			
	NDTA_STATS,			
	NDTA_GC_INTERVAL,		
	NDTA_PAD,
	__NDTA_MAX
};
#define NDTA_MAX (__NDTA_MAX - 1)

 
enum {
	FDB_NOTIFY_BIT		= (1 << 0),
	FDB_NOTIFY_INACTIVE_BIT	= (1 << 1)
};


enum {
	NFEA_UNSPEC,
	NFEA_ACTIVITY_NOTIFY,
	NFEA_DONT_REFRESH,
	__NFEA_MAX
};
#define NFEA_MAX (__NFEA_MAX - 1)

#endif
